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HTTP API: Replace internals with Requests library. 

Requests is a library very similar to WP_HTTP, with a high level of unit test coverage, and has a common lineage and development team. It also supports parallel requests.

See #33055.

Built from https://develop.svn.wordpress.org/trunk@37428


git-svn-id: http://core.svn.wordpress.org/trunk@37394 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Ryan McCue 2016-05-13 04:42:28 +00:00
parent 65f5fe6fb2
commit 37f6e6813a
64 changed files with 7000 additions and 84 deletions
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33
wp-includes/Requests/Auth.php Normal file
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<?php
/**
* Authentication provider interface
*
* @package Requests
* @subpackage Authentication
*/
/**
* Authentication provider interface
*
* Implement this interface to act as an authentication provider.
*
* Parameters should be passed via the constructor where possible, as this
* makes it much easier for users to use your provider.
*
* @see Requests_Hooks
* @package Requests
* @subpackage Authentication
*/
interface Requests_Auth {
/**
* Register hooks as needed
*
* This method is called in {@see Requests::request} when the user has set
* an instance as the 'auth' option. Use this callback to register all the
* hooks you'll need.
*
* @see Requests_Hooks::register
* @param Requests_Hooks $hooks Hook system
*/
public function register(Requests_Hooks &$hooks);
}

88
wp-includes/Requests/Auth/Basic.php Normal file
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<?php
/**
* Basic Authentication provider
*
* @package Requests
* @subpackage Authentication
*/
/**
* Basic Authentication provider
*
* Provides a handler for Basic HTTP authentication via the Authorization
* header.
*
* @package Requests
* @subpackage Authentication
*/
class Requests_Auth_Basic implements Requests_Auth {
/**
* Username
*
* @var string
*/
public $user;
/**
* Password
*
* @var string
*/
public $pass;
/**
* Constructor
*
* @throws Requests_Exception On incorrect number of arguments (`authbasicbadargs`)
* @param array|null $args Array of user and password. Must have exactly two elements
*/
public function __construct($args = null) {
if (is_array($args)) {
if (count($args) !== 2) {
throw new Requests_Exception('Invalid number of arguments', 'authbasicbadargs');
}
list($this->user, $this->pass) = $args;
}
}
/**
* Register the necessary callbacks
*
* @see curl_before_send
* @see fsockopen_header
* @param Requests_Hooks $hooks Hook system
*/
public function register(Requests_Hooks &$hooks) {
$hooks->register('curl.before_send', array(&$this, 'curl_before_send'));
$hooks->register('fsockopen.after_headers', array(&$this, 'fsockopen_header'));
}
/**
* Set cURL parameters before the data is sent
*
* @param resource $handle cURL resource
*/
public function curl_before_send(&$handle) {
curl_setopt($handle, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
curl_setopt($handle, CURLOPT_USERPWD, $this->getAuthString());
}
/**
* Add extra headers to the request before sending
*
* @param string $out HTTP header string
*/
public function fsockopen_header(&$out) {
$out .= sprintf("Authorization: Basic %s\r\n", base64_encode($this->getAuthString()));
}
/**
* Get the authentication string (user:pass)
*
* @return string
*/
public function getAuthString() {
return $this->user . ':' . $this->pass;
}
}

500
wp-includes/Requests/Cookie.php Normal file
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<?php
/**
* Cookie storage object
*
* @package Requests
* @subpackage Cookies
*/
/**
* Cookie storage object
*
* @package Requests
* @subpackage Cookies
*/
class Requests_Cookie {
/**
* Cookie name.
*
* @var string
*/
public $name;
/**
* Cookie value.
*
* @var string
*/
public $value;
/**
* Cookie attributes
*
* Valid keys are (currently) path, domain, expires, max-age, secure and
* httponly.
*
* @var Requests_Utility_CaseInsensitiveDictionary|array Array-like object
*/
public $attributes = array();
/**
* Cookie flags
*
* Valid keys are (currently) creation, last-access, persistent and
* host-only.
*
* @var array
*/
public $flags = array();
/**
* Reference time for relative calculations
*
* This is used in place of `time()` when calculating Max-Age expiration and
* checking time validity.
*
* @var int
*/
public $reference_time = 0;
/**
* Create a new cookie object
*
* @param string $name
* @param string $value
* @param array|Requests_Utility_CaseInsensitiveDictionary $attributes Associative array of attribute data
*/
public function __construct($name, $value, $attributes = array(), $flags = array(), $reference_time = null) {
$this->name = $name;
$this->value = $value;
$this->attributes = $attributes;
$default_flags = array(
'creation' => time(),
'last-access' => time(),
'persistent' => false,
'host-only' => true,
);
$this->flags = array_merge($default_flags, $flags);
$this->reference_time = time();
if ($reference_time !== null) {
$this->reference_time = $reference_time;
}
$this->normalize();
}
/**
* Check if a cookie is expired.
*
* Checks the age against $this->reference_time to determine if the cookie
* is expired.
*
* @return boolean True if expired, false if time is valid.
*/
public function is_expired() {
// RFC6265, s. 4.1.2.2:
// If a cookie has both the Max-Age and the Expires attribute, the Max-
// Age attribute has precedence and controls the expiration date of the
// cookie.
if (isset($this->attributes['max-age'])) {
$max_age = $this->attributes['max-age'];
return $max_age < $this->reference_time;
}
if (isset($this->attributes['expires'])) {
$expires = $this->attributes['expires'];
return $expires < $this->reference_time;
}
return false;
}
/**
* Check if a cookie is valid for a given URI
*
* @param Requests_IRI $uri URI to check
* @return boolean Whether the cookie is valid for the given URI
*/
public function uri_matches(Requests_IRI $uri) {
if (!$this->domain_matches($uri->host)) {
return false;
}
if (!$this->path_matches($uri->path)) {
return false;
}
return empty($this->attributes['secure']) || $uri->scheme === 'https';
}
/**
* Check if a cookie is valid for a given domain
*
* @param string $string Domain to check
* @return boolean Whether the cookie is valid for the given domain
*/
public function domain_matches($string) {
if (!isset($this->attributes['domain'])) {
// Cookies created manually; cookies created by Requests will set
// the domain to the requested domain
return true;
}
$domain_string = $this->attributes['domain'];
if ($domain_string === $string) {
// The domain string and the string are identical.
return true;
}
// If the cookie is marked as host-only and we don't have an exact
// match, reject the cookie
if ($this->flags['host-only'] === true) {
return false;
}
if (strlen($string) <= strlen($domain_string)) {
// For obvious reasons, the string cannot be a suffix if the domain
// is shorter than the domain string
return false;
}
if (substr($string, -1 * strlen($domain_string)) !== $domain_string) {
// The domain string should be a suffix of the string.
return false;
}
$prefix = substr($string, 0, strlen($string) - strlen($domain_string));
if (substr($prefix, -1) !== '.') {
// The last character of the string that is not included in the
// domain string should be a %x2E (".") character.
return false;
}
// The string should be a host name (i.e., not an IP address).
return !preg_match('#^(.+\.)\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$#', $string);
}
/**
* Check if a cookie is valid for a given path
*
* From the path-match check in RFC 6265 section 5.1.4
*
* @param string $request_path Path to check
* @return boolean Whether the cookie is valid for the given path
*/
public function path_matches($request_path) {
if (empty($request_path)) {
// Normalize empty path to root
$request_path = '/';
}
if (!isset($this->attributes['path'])) {
// Cookies created manually; cookies created by Requests will set
// the path to the requested path
return true;
}
$cookie_path = $this->attributes['path'];
if ($cookie_path === $request_path) {
// The cookie-path and the request-path are identical.
return true;
}
if (strlen($request_path) > strlen($cookie_path) && substr($request_path, 0, strlen($cookie_path)) === $cookie_path) {
if (substr($cookie_path, -1) === '/') {
// The cookie-path is a prefix of the request-path, and the last
// character of the cookie-path is %x2F ("/").
return true;
}
if (substr($request_path, strlen($cookie_path), 1) === '/') {
// The cookie-path is a prefix of the request-path, and the
// first character of the request-path that is not included in
// the cookie-path is a %x2F ("/") character.
return true;
}
}
return false;
}
/**
* Normalize cookie and attributes
*
* @return boolean Whether the cookie was successfully normalized
*/
public function normalize() {
foreach ($this->attributes as $key => $value) {
$orig_value = $value;
$value = $this->normalize_attribute($key, $value);
if ($value === null) {
unset($this->attributes[$key]);
continue;
}
if ($value !== $orig_value) {
$this->attributes[$key] = $value;
}
}
return true;
}
/**
* Parse an individual cookie attribute
*
* Handles parsing individual attributes from the cookie values.
*
* @param string $name Attribute name
* @param string|boolean $value Attribute value (string value, or true if empty/flag)
* @return mixed Value if available, or null if the attribute value is invalid (and should be skipped)
*/
protected function normalize_attribute($name, $value) {
switch (strtolower($name)) {
case 'expires':
// Expiration parsing, as per RFC 6265 section 5.2.1
if (is_int($value)) {
return $value;
}
$expiry_time = strtotime($value);
if ($expiry_time === false) {
return null;
}
return $expiry_time;
case 'max-age':
// Expiration parsing, as per RFC 6265 section 5.2.2
if (is_int($value)) {
return $value;
}
// Check that we have a valid age
if (!preg_match('/^-?\d+$/', $value)) {
return null;
}
$delta_seconds = (int) $value;
if ($delta_seconds <= 0) {
$expiry_time = 0;
}
else {
$expiry_time = $this->reference_time + $delta_seconds;
}
return $expiry_time;
case 'domain':
// Domain normalization, as per RFC 6265 section 5.2.3
if ($value[0] === '.') {
$value = substr($value, 1);
}
return $value;
default:
return $value;
}
}
/**
* Format a cookie for a Cookie header
*
* This is used when sending cookies to a server.
*
* @return string Cookie formatted for Cookie header
*/
public function format_for_header() {
return sprintf('%s=%s', $this->name, $this->value);
}
/**
* Format a cookie for a Cookie header
*
* @codeCoverageIgnore
* @deprecated Use {@see Requests_Cookie::format_for_header}
* @return string
*/
public function formatForHeader() {
return $this->format_for_header();
}
/**
* Format a cookie for a Set-Cookie header
*
* This is used when sending cookies to clients. This isn't really
* applicable to client-side usage, but might be handy for debugging.
*
* @return string Cookie formatted for Set-Cookie header
*/
public function format_for_set_cookie() {
$header_value = $this->format_for_header();
if (!empty($this->attributes)) {
$parts = array();
foreach ($this->attributes as $key => $value) {
// Ignore non-associative attributes
if (is_numeric($key)) {
$parts[] = $value;
}
else {
$parts[] = sprintf('%s=%s', $key, $value);
}
}
$header_value .= '; ' . implode('; ', $parts);
}
return $header_value;
}
/**
* Format a cookie for a Set-Cookie header
*
* @codeCoverageIgnore
* @deprecated Use {@see Requests_Cookie::format_for_set_cookie}
* @return string
*/
public function formatForSetCookie() {
return $this->format_for_set_cookie();
}
/**
* Get the cookie value
*
* Attributes and other data can be accessed via methods.
*/
public function __toString() {
return $this->value;
}
/**
* Parse a cookie string into a cookie object
*
* Based on Mozilla's parsing code in Firefox and related projects, which
* is an intentional deviation from RFC 2109 and RFC 2616. RFC 6265
* specifies some of this handling, but not in a thorough manner.
*
* @param string Cookie header value (from a Set-Cookie header)
* @return Requests_Cookie Parsed cookie object
*/
public static function parse($string, $name = '', $reference_time = null) {
$parts = explode(';', $string);
$kvparts = array_shift($parts);
if (!empty($name)) {
$value = $string;
}
elseif (strpos($kvparts, '=') === false) {
// Some sites might only have a value without the equals separator.
// Deviate from RFC 6265 and pretend it was actually a blank name
// (`=foo`)
//
// https://bugzilla.mozilla.org/show_bug.cgi?id=169091
$name = '';
$value = $kvparts;
}
else {
list($name, $value) = explode('=', $kvparts, 2);
}
$name = trim($name);
$value = trim($value);
// Attribute key are handled case-insensitively
$attributes = new Requests_Utility_CaseInsensitiveDictionary();
if (!empty($parts)) {
foreach ($parts as $part) {
if (strpos($part, '=') === false) {
$part_key = $part;
$part_value = true;
}
else {
list($part_key, $part_value) = explode('=', $part, 2);
$part_value = trim($part_value);
}
$part_key = trim($part_key);
$attributes[$part_key] = $part_value;
}
}
return new Requests_Cookie($name, $value, $attributes, array(), $reference_time);
}
/**
* Parse all Set-Cookie headers from request headers
*
* @param Requests_Response_Headers $headers Headers to parse from
* @param Requests_IRI|null $origin URI for comparing cookie origins
* @param int|null $time Reference time for expiration calculation
* @return array
*/
public static function parse_from_headers(Requests_Response_Headers $headers, Requests_IRI $origin = null, $time = null) {
$cookie_headers = $headers->getValues('Set-Cookie');
if (empty($cookie_headers)) {
return array();
}
$cookies = array();
foreach ($cookie_headers as $header) {
$parsed = self::parse($header, '', $time);
// Default domain/path attributes
if (empty($parsed->attributes['domain']) && !empty($origin)) {
$parsed->attributes['domain'] = $origin->host;
$parsed->flags['host-only'] = true;
}
else {
$parsed->flags['host-only'] = false;
}
$path_is_valid = (!empty($parsed->attributes['path']) && $parsed->attributes['path'][0] === '/');
if (!$path_is_valid && !empty($origin)) {
$path = $origin->path;
// Default path normalization as per RFC 6265 section 5.1.4
if (substr($path, 0, 1) !== '/') {
// If the uri-path is empty or if the first character of
// the uri-path is not a %x2F ("/") character, output
// %x2F ("/") and skip the remaining steps.
$path = '/';
}
elseif (substr_count($path, '/') === 1) {
// If the uri-path contains no more than one %x2F ("/")
// character, output %x2F ("/") and skip the remaining
// step.
$path = '/';
}
else {
// Output the characters of the uri-path from the first
// character up to, but not including, the right-most
// %x2F ("/").
$path = substr($path, 0, strrpos($path, '/'));
}
$parsed->attributes['path'] = $path;
}
// Reject invalid cookie domains
if (!empty($origin) && !$parsed->domain_matches($origin->host)) {
continue;
}
$cookies[$parsed->name] = $parsed;
}
return $cookies;
}
/**
* Parse all Set-Cookie headers from request headers
*
* @codeCoverageIgnore
* @deprecated Use {@see Requests_Cookie::parse_from_headers}
* @return string
*/
public static function parseFromHeaders(Requests_Response_Headers $headers) {
return self::parse_from_headers($headers);
}
}

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wp-includes/Requests/Cookie/Jar.php Normal file
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<?php
/**
* Cookie holder object
*
* @package Requests
* @subpackage Cookies
*/
/**
* Cookie holder object
*
* @package Requests
* @subpackage Cookies
*/
class Requests_Cookie_Jar implements ArrayAccess, IteratorAggregate {
/**
* Actual item data
*
* @var array
*/
protected $cookies = array();
/**
* Create a new jar
*
* @param array $cookies Existing cookie values
*/
public function __construct($cookies = array()) {
$this->cookies = $cookies;
}
/**
* Normalise cookie data into a Requests_Cookie
*
* @param string|Requests_Cookie $cookie
* @return Requests_Cookie
*/
public function normalize_cookie($cookie, $key = null) {
if ($cookie instanceof Requests_Cookie) {
return $cookie;
}
return Requests_Cookie::parse($cookie, $key);
}
/**
* Normalise cookie data into a Requests_Cookie
*
* @codeCoverageIgnore
* @deprecated Use {@see Requests_Cookie_Jar::normalize_cookie}
* @return Requests_Cookie
*/
public function normalizeCookie($cookie, $key = null) {
return $this->normalize_cookie($cookie, $key);
}
/**
* Check if the given item exists
*
* @param string $key Item key
* @return boolean Does the item exist?
*/
public function offsetExists($key) {
return isset($this->cookies[$key]);
}
/**
* Get the value for the item
*
* @param string $key Item key
* @return string Item value
*/
public function offsetGet($key) {
if (!isset($this->cookies[$key])) {
return null;
}
return $this->cookies[$key];
}
/**
* Set the given item
*
* @throws Requests_Exception On attempting to use dictionary as list (`invalidset`)
*
* @param string $key Item name
* @param string $value Item value
*/
public function offsetSet($key, $value) {
if ($key === null) {
throw new Requests_Exception('Object is a dictionary, not a list', 'invalidset');
}
$this->cookies[$key] = $value;
}
/**
* Unset the given header
*
* @param string $key
*/
public function offsetUnset($key) {
unset($this->cookies[$key]);
}
/**
* Get an iterator for the data
*
* @return ArrayIterator
*/
public function getIterator() {
return new ArrayIterator($this->cookies);
}
/**
* Register the cookie handler with the request's hooking system
*
* @param Requests_Hooker $hooks Hooking system
*/
public function register(Requests_Hooker $hooks) {
$hooks->register('requests.before_request', array($this, 'before_request'));
$hooks->register('requests.before_redirect_check', array($this, 'before_redirect_check'));
}
/**
* Add Cookie header to a request if we have any
*
* As per RFC 6265, cookies are separated by '; '
*
* @param string $url
* @param array $headers
* @param array $data
* @param string $type
* @param array $options
*/
public function before_request($url, &$headers, &$data, &$type, &$options) {
if (!$url instanceof Requests_IRI) {
$url = new Requests_IRI($url);
}
if (!empty($this->cookies)) {
$cookies = array();
foreach ($this->cookies as $key => $cookie) {
$cookie = $this->normalize_cookie($cookie, $key);
// Skip expired cookies
if ($cookie->is_expired()) {
continue;
}
if ($cookie->domain_matches($url->host)) {
$cookies[] = $cookie->format_for_header();
}
}
$headers['Cookie'] = implode('; ', $cookies);
}
}
/**
* Parse all cookies from a response and attach them to the response
*
* @var Requests_Response $response
*/
public function before_redirect_check(Requests_Response &$return) {
$url = $return->url;
if (!$url instanceof Requests_IRI) {
$url = new Requests_IRI($url);
}
$cookies = Requests_Cookie::parse_from_headers($return->headers, $url);
$this->cookies = array_merge($this->cookies, $cookies);
$return->cookies = $this;
}
}

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<?php
/**
* Exception for HTTP requests
*
* @package Requests
*/
/**
* Exception for HTTP requests
*
* @package Requests
*/
class Requests_Exception extends Exception {
/**
* Type of exception
*
* @var string
*/
protected $type;
/**
* Data associated with the exception
*
* @var mixed
*/
protected $data;
/**
* Create a new exception
*
* @param string $message Exception message
* @param string $type Exception type
* @param mixed $data Associated data
* @param integer $code Exception numerical code, if applicable
*/
public function __construct($message, $type, $data = null, $code = 0) {
parent::__construct($message, $code);
$this->type = $type;
$this->data = $data;
}
/**
* Like {@see getCode()}, but a string code.
*
* @codeCoverageIgnore
* @return string
*/
public function getType() {
return $this->type;
}
/**
* Gives any relevant data
*
* @codeCoverageIgnore
* @return mixed
*/
public function getData() {
return $this->data;
}
}

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<?php
/**
* Exception based on HTTP response
*
* @package Requests
*/
/**
* Exception based on HTTP response
*
* @package Requests
*/
class Requests_Exception_HTTP extends Requests_Exception {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 0;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Unknown';
/**
* Create a new exception
*
* There is no mechanism to pass in the status code, as this is set by the
* subclass used. Reason phrases can vary, however.
*
* @param string|null $reason Reason phrase
* @param mixed $data Associated data
*/
public function __construct($reason = null, $data = null) {
if ($reason !== null) {
$this->reason = $reason;
}
$message = sprintf('%d %s', $this->code, $this->reason);
parent::__construct($message, 'httpresponse', $data, $this->code);
}
/**
* Get the status message
*/
public function getReason() {
return $this->reason;
}
/**
* Get the correct exception class for a given error code
*
* @param int|bool $code HTTP status code, or false if unavailable
* @return string Exception class name to use
*/
public static function get_class($code) {
if (!$code) {
return 'Requests_Exception_HTTP_Unknown';
}
$class = sprintf('Requests_Exception_HTTP_%d', $code);
if (class_exists($class)) {
return $class;
}
return 'Requests_Exception_HTTP_Unknown';
}
}

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<?php
/**
* Exception for 304 Not Modified responses
*
* @package Requests
*/
/**
* Exception for 304 Not Modified responses
*
* @package Requests
*/
class Requests_Exception_HTTP_304 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 304;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Not Modified';
}

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<?php
/**
* Exception for 305 Use Proxy responses
*
* @package Requests
*/
/**
* Exception for 305 Use Proxy responses
*
* @package Requests
*/
class Requests_Exception_HTTP_305 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 305;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Use Proxy';
}

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<?php
/**
* Exception for 306 Switch Proxy responses
*
* @package Requests
*/
/**
* Exception for 306 Switch Proxy responses
*
* @package Requests
*/
class Requests_Exception_HTTP_306 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 306;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Switch Proxy';
}

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<?php
/**
* Exception for 400 Bad Request responses
*
* @package Requests
*/
/**
* Exception for 400 Bad Request responses
*
* @package Requests
*/
class Requests_Exception_HTTP_400 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 400;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Bad Request';
}

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<?php
/**
* Exception for 401 Unauthorized responses
*
* @package Requests
*/
/**
* Exception for 401 Unauthorized responses
*
* @package Requests
*/
class Requests_Exception_HTTP_401 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 401;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Unauthorized';
}

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<?php
/**
* Exception for 402 Payment Required responses
*
* @package Requests
*/
/**
* Exception for 402 Payment Required responses
*
* @package Requests
*/
class Requests_Exception_HTTP_402 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 402;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Payment Required';
}

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<?php
/**
* Exception for 403 Forbidden responses
*
* @package Requests
*/
/**
* Exception for 403 Forbidden responses
*
* @package Requests
*/
class Requests_Exception_HTTP_403 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 403;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Forbidden';
}

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<?php
/**
* Exception for 404 Not Found responses
*
* @package Requests
*/
/**
* Exception for 404 Not Found responses
*
* @package Requests
*/
class Requests_Exception_HTTP_404 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 404;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Not Found';
}

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<?php
/**
* Exception for 405 Method Not Allowed responses
*
* @package Requests
*/
/**
* Exception for 405 Method Not Allowed responses
*
* @package Requests
*/
class Requests_Exception_HTTP_405 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 405;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Method Not Allowed';
}

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<?php
/**
* Exception for 406 Not Acceptable responses
*
* @package Requests
*/
/**
* Exception for 406 Not Acceptable responses
*
* @package Requests
*/
class Requests_Exception_HTTP_406 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 406;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Not Acceptable';
}

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<?php
/**
* Exception for 407 Proxy Authentication Required responses
*
* @package Requests
*/
/**
* Exception for 407 Proxy Authentication Required responses
*
* @package Requests
*/
class Requests_Exception_HTTP_407 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 407;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Proxy Authentication Required';
}

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<?php
/**
* Exception for 408 Request Timeout responses
*
* @package Requests
*/
/**
* Exception for 408 Request Timeout responses
*
* @package Requests
*/
class Requests_Exception_HTTP_408 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 408;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Request Timeout';
}

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<?php
/**
* Exception for 409 Conflict responses
*
* @package Requests
*/
/**
* Exception for 409 Conflict responses
*
* @package Requests
*/
class Requests_Exception_HTTP_409 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 409;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Conflict';
}

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<?php
/**
* Exception for 410 Gone responses
*
* @package Requests
*/
/**
* Exception for 410 Gone responses
*
* @package Requests
*/
class Requests_Exception_HTTP_410 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 410;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Gone';
}

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<?php
/**
* Exception for 411 Length Required responses
*
* @package Requests
*/
/**
* Exception for 411 Length Required responses
*
* @package Requests
*/
class Requests_Exception_HTTP_411 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 411;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Length Required';
}

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<?php
/**
* Exception for 412 Precondition Failed responses
*
* @package Requests
*/
/**
* Exception for 412 Precondition Failed responses
*
* @package Requests
*/
class Requests_Exception_HTTP_412 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 412;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Precondition Failed';
}

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<?php
/**
* Exception for 413 Request Entity Too Large responses
*
* @package Requests
*/
/**
* Exception for 413 Request Entity Too Large responses
*
* @package Requests
*/
class Requests_Exception_HTTP_413 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 413;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Request Entity Too Large';
}

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<?php
/**
* Exception for 414 Request-URI Too Large responses
*
* @package Requests
*/
/**
* Exception for 414 Request-URI Too Large responses
*
* @package Requests
*/
class Requests_Exception_HTTP_414 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 414;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Request-URI Too Large';
}

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<?php
/**
* Exception for 415 Unsupported Media Type responses
*
* @package Requests
*/
/**
* Exception for 415 Unsupported Media Type responses
*
* @package Requests
*/
class Requests_Exception_HTTP_415 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 415;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Unsupported Media Type';
}

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<?php
/**
* Exception for 416 Requested Range Not Satisfiable responses
*
* @package Requests
*/
/**
* Exception for 416 Requested Range Not Satisfiable responses
*
* @package Requests
*/
class Requests_Exception_HTTP_416 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 416;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Requested Range Not Satisfiable';
}

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<?php
/**
* Exception for 417 Expectation Failed responses
*
* @package Requests
*/
/**
* Exception for 417 Expectation Failed responses
*
* @package Requests
*/
class Requests_Exception_HTTP_417 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 417;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Expectation Failed';
}

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<?php
/**
* Exception for 418 I'm A Teapot responses
*
* @see http://tools.ietf.org/html/rfc2324
* @package Requests
*/
/**
* Exception for 418 I'm A Teapot responses
*
* @see http://tools.ietf.org/html/rfc2324
* @package Requests
*/
class Requests_Exception_HTTP_418 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 418;
/**
* Reason phrase
*
* @var string
*/
protected $reason = "I'm A Teapot";
}

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<?php
/**
* Exception for 428 Precondition Required responses
*
* @see http://tools.ietf.org/html/rfc6585
* @package Requests
*/
/**
* Exception for 428 Precondition Required responses
*
* @see http://tools.ietf.org/html/rfc6585
* @package Requests
*/
class Requests_Exception_HTTP_428 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 428;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Precondition Required';
}

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<?php
/**
* Exception for 429 Too Many Requests responses
*
* @see http://tools.ietf.org/html/draft-nottingham-http-new-status-04
* @package Requests
*/
/**
* Exception for 429 Too Many Requests responses
*
* @see http://tools.ietf.org/html/draft-nottingham-http-new-status-04
* @package Requests
*/
class Requests_Exception_HTTP_429 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 429;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Too Many Requests';
}

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<?php
/**
* Exception for 431 Request Header Fields Too Large responses
*
* @see http://tools.ietf.org/html/rfc6585
* @package Requests
*/
/**
* Exception for 431 Request Header Fields Too Large responses
*
* @see http://tools.ietf.org/html/rfc6585
* @package Requests
*/
class Requests_Exception_HTTP_431 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 431;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Request Header Fields Too Large';
}

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<?php
/**
* Exception for 500 Internal Server Error responses
*
* @package Requests
*/
/**
* Exception for 500 Internal Server Error responses
*
* @package Requests
*/
class Requests_Exception_HTTP_500 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 500;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Internal Server Error';
}

27
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<?php
/**
* Exception for 501 Not Implemented responses
*
* @package Requests
*/
/**
* Exception for 501 Not Implemented responses
*
* @package Requests
*/
class Requests_Exception_HTTP_501 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 501;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Not Implemented';
}

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<?php
/**
* Exception for 502 Bad Gateway responses
*
* @package Requests
*/
/**
* Exception for 502 Bad Gateway responses
*
* @package Requests
*/
class Requests_Exception_HTTP_502 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 502;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Bad Gateway';
}

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<?php
/**
* Exception for 503 Service Unavailable responses
*
* @package Requests
*/
/**
* Exception for 503 Service Unavailable responses
*
* @package Requests
*/
class Requests_Exception_HTTP_503 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 503;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Service Unavailable';
}

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<?php
/**
* Exception for 504 Gateway Timeout responses
*
* @package Requests
*/
/**
* Exception for 504 Gateway Timeout responses
*
* @package Requests
*/
class Requests_Exception_HTTP_504 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 504;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Gateway Timeout';
}

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<?php
/**
* Exception for 505 HTTP Version Not Supported responses
*
* @package Requests
*/
/**
* Exception for 505 HTTP Version Not Supported responses
*
* @package Requests
*/
class Requests_Exception_HTTP_505 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 505;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'HTTP Version Not Supported';
}

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<?php
/**
* Exception for 511 Network Authentication Required responses
*
* @see http://tools.ietf.org/html/rfc6585
* @package Requests
*/
/**
* Exception for 511 Network Authentication Required responses
*
* @see http://tools.ietf.org/html/rfc6585
* @package Requests
*/
class Requests_Exception_HTTP_511 extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer
*/
protected $code = 511;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Network Authentication Required';
}

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<?php
/**
* Exception for unknown status responses
*
* @package Requests
*/
/**
* Exception for unknown status responses
*
* @package Requests
*/
class Requests_Exception_HTTP_Unknown extends Requests_Exception_HTTP {
/**
* HTTP status code
*
* @var integer|bool Code if available, false if an error occurred
*/
protected $code = 0;
/**
* Reason phrase
*
* @var string
*/
protected $reason = 'Unknown';
/**
* Create a new exception
*
* If `$data` is an instance of {@see Requests_Response}, uses the status
* code from it. Otherwise, sets as 0
*
* @param string|null $reason Reason phrase
* @param mixed $data Associated data
*/
public function __construct($reason = null, $data = null) {
if ($data instanceof Requests_Response) {
$this->code = $data->status_code;
}
parent::__construct($reason, $data);
}
}

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<?php
class Requests_Exception_Transport extends Requests_Exception {
}

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<?php
class Requests_Exception_Transport_cURL extends Requests_Exception_Transport {
const EASY = 'cURLEasy';
const MULTI = 'cURLMulti';
const SHARE = 'cURLShare';
/**
* cURL error code
*
* @var integer
*/
protected $code = -1;
/**
* Which type of cURL error
*
* EASY|MULTI|SHARE
*
* @var string
*/
protected $type = 'Unknown';
/**
* Clear text error message
*
* @var string
*/
protected $reason = 'Unknown';
public function __construct($message, $type, $data = null, $code = 0) {
if ($type !== null) {
$this->type = $type;
}
if ($code !== null) {
$this->code = $code;
}
if ($message !== null) {
$this->reason = $message;
}
$message = sprintf('%d %s', $this->code, $this->reason);
parent::__construct($message, $this->type, $data, $this->code);
}
/**
* Get the error message
*/
public function getReason() {
return $this->reason;
}
}

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<?php
/**
* Event dispatcher
*
* @package Requests
* @subpackage Utilities
*/
/**
* Event dispatcher
*
* @package Requests
* @subpackage Utilities
*/
interface Requests_Hooker {
/**
* Register a callback for a hook
*
* @param string $hook Hook name
* @param callback $callback Function/method to call on event
* @param int $priority Priority number. <0 is executed earlier, >0 is executed later
*/
public function register($hook, $callback, $priority = 0);
/**
* Dispatch a message
*
* @param string $hook Hook name
* @param array $parameters Parameters to pass to callbacks
* @return boolean Successfulness
*/
public function dispatch($hook, $parameters = array());
}

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<?php
/**
* Handles adding and dispatching events
*
* @package Requests
* @subpackage Utilities
*/
/**
* Handles adding and dispatching events
*
* @package Requests
* @subpackage Utilities
*/
class Requests_Hooks implements Requests_Hooker {
/**
* Registered callbacks for each hook
*
* @var array
*/
protected $hooks = array();
/**
* Constructor
*/
public function __construct() {
// pass
}
/**
* Register a callback for a hook
*
* @param string $hook Hook name
* @param callback $callback Function/method to call on event
* @param int $priority Priority number. <0 is executed earlier, >0 is executed later
*/
public function register($hook, $callback, $priority = 0) {
if (!isset($this->hooks[$hook])) {
$this->hooks[$hook] = array();
}
if (!isset($this->hooks[$hook][$priority])) {
$this->hooks[$hook][$priority] = array();
}
$this->hooks[$hook][$priority][] = $callback;
}
/**
* Dispatch a message
*
* @param string $hook Hook name
* @param array $parameters Parameters to pass to callbacks
* @return boolean Successfulness
*/
public function dispatch($hook, $parameters = array()) {
if (empty($this->hooks[$hook])) {
return false;
}
foreach ($this->hooks[$hook] as $priority => $hooked) {
foreach ($hooked as $callback) {
call_user_func_array($callback, $parameters);
}
}
return true;
}
}

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<?php
/**
* IDNA URL encoder
*
* Note: Not fully compliant, as nameprep does nothing yet.
*
* @package Requests
* @subpackage Utilities
* @see http://tools.ietf.org/html/rfc3490 IDNA specification
* @see http://tools.ietf.org/html/rfc3492 Punycode/Bootstrap specification
*/
class Requests_IDNAEncoder {
/**
* ACE prefix used for IDNA
*
* @see http://tools.ietf.org/html/rfc3490#section-5
* @var string
*/
const ACE_PREFIX = 'xn--';
/**#@+
* Bootstrap constant for Punycode
*
* @see http://tools.ietf.org/html/rfc3492#section-5
* @var int
*/
const BOOTSTRAP_BASE = 36;
const BOOTSTRAP_TMIN = 1;
const BOOTSTRAP_TMAX = 26;
const BOOTSTRAP_SKEW = 38;
const BOOTSTRAP_DAMP = 700;
const BOOTSTRAP_INITIAL_BIAS = 72;
const BOOTSTRAP_INITIAL_N = 128;
/**#@-*/
/**
* Encode a hostname using Punycode
*
* @param string $string Hostname
* @return string Punycode-encoded hostname
*/
public static function encode($string) {
$parts = explode('.', $string);
foreach ($parts as &$part) {
$part = self::to_ascii($part);
}
return implode('.', $parts);
}
/**
* Convert a UTF-8 string to an ASCII string using Punycode
*
* @throws Requests_Exception Provided string longer than 64 ASCII characters (`idna.provided_too_long`)
* @throws Requests_Exception Prepared string longer than 64 ASCII characters (`idna.prepared_too_long`)
* @throws Requests_Exception Provided string already begins with xn-- (`idna.provided_is_prefixed`)
* @throws Requests_Exception Encoded string longer than 64 ASCII characters (`idna.encoded_too_long`)
*
* @param string $string ASCII or UTF-8 string (max length 64 characters)
* @return string ASCII string
*/
public static function to_ascii($string) {
// Step 1: Check if the string is already ASCII
if (self::is_ascii($string)) {
// Skip to step 7
if (strlen($string) < 64) {
return $string;
}
throw new Requests_Exception('Provided string is too long', 'idna.provided_too_long', $string);
}
// Step 2: nameprep
$string = self::nameprep($string);
// Step 3: UseSTD3ASCIIRules is false, continue
// Step 4: Check if it's ASCII now
if (self::is_ascii($string)) {
// Skip to step 7
if (strlen($string) < 64) {
return $string;
}
throw new Requests_Exception('Prepared string is too long', 'idna.prepared_too_long', $string);
}
// Step 5: Check ACE prefix
if (strpos($string, self::ACE_PREFIX) === 0) {
throw new Requests_Exception('Provided string begins with ACE prefix', 'idna.provided_is_prefixed', $string);
}
// Step 6: Encode with Punycode
$string = self::punycode_encode($string);
// Step 7: Prepend ACE prefix
$string = self::ACE_PREFIX . $string;
// Step 8: Check size
if (strlen($string) < 64) {
return $string;
}
throw new Requests_Exception('Encoded string is too long', 'idna.encoded_too_long', $string);
}
/**
* Check whether a given string contains only ASCII characters
*
* @internal (Testing found regex was the fastest implementation)
*
* @param string $string
* @return bool Is the string ASCII-only?
*/
protected static function is_ascii($string) {
return (preg_match('/(?:[^\x00-\x7F])/', $string) !== 1);
}
/**
* Prepare a string for use as an IDNA name
*
* @todo Implement this based on RFC 3491 and the newer 5891
* @param string $string
* @return string Prepared string
*/
protected static function nameprep($string) {
return $string;
}
/**
* Convert a UTF-8 string to a UCS-4 codepoint array
*
* Based on Requests_IRI::replace_invalid_with_pct_encoding()
*
* @throws Requests_Exception Invalid UTF-8 codepoint (`idna.invalidcodepoint`)
* @param string $input
* @return array Unicode code points
*/
protected static function utf8_to_codepoints($input) {
$codepoints = array();
// Get number of bytes
$strlen = strlen($input);
for ($position = 0; $position < $strlen; $position++) {
$value = ord($input[$position]);
// One byte sequence:
if ((~$value & 0x80) === 0x80) {
$character = $value;
$length = 1;
$remaining = 0;
}
// Two byte sequence:
elseif (($value & 0xE0) === 0xC0) {
$character = ($value & 0x1F) << 6;
$length = 2;
$remaining = 1;
}
// Three byte sequence:
elseif (($value & 0xF0) === 0xE0) {
$character = ($value & 0x0F) << 12;
$length = 3;
$remaining = 2;
}
// Four byte sequence:
elseif (($value & 0xF8) === 0xF0) {
$character = ($value & 0x07) << 18;
$length = 4;
$remaining = 3;
}
// Invalid byte:
else {
throw new Requests_Exception('Invalid Unicode codepoint', 'idna.invalidcodepoint', $value);
}
if ($remaining > 0) {
if ($position + $length > $strlen) {
throw new Requests_Exception('Invalid Unicode codepoint', 'idna.invalidcodepoint', $character);
}
for ($position++; $remaining > 0; $position++) {
$value = ord($input[$position]);
// If it is invalid, count the sequence as invalid and reprocess the current byte:
if (($value & 0xC0) !== 0x80) {
throw new Requests_Exception('Invalid Unicode codepoint', 'idna.invalidcodepoint', $character);
}
$character |= ($value & 0x3F) << (--$remaining * 6);
}
$position--;
}
if (
// Non-shortest form sequences are invalid
$length > 1 && $character <= 0x7F
|| $length > 2 && $character <= 0x7FF
|| $length > 3 && $character <= 0xFFFF
// Outside of range of ucschar codepoints
// Noncharacters
|| ($character & 0xFFFE) === 0xFFFE
|| $character >= 0xFDD0 && $character <= 0xFDEF
|| (
// Everything else not in ucschar
$character > 0xD7FF && $character < 0xF900
|| $character < 0x20
|| $character > 0x7E && $character < 0xA0
|| $character > 0xEFFFD
)
) {
throw new Requests_Exception('Invalid Unicode codepoint', 'idna.invalidcodepoint', $character);
}
$codepoints[] = $character;
}
return $codepoints;
}
/**
* RFC3492-compliant encoder
*
* @internal Pseudo-code from Section 6.3 is commented with "#" next to relevant code
* @throws Requests_Exception On character outside of the domain (never happens with Punycode) (`idna.character_outside_domain`)
*
* @param string $input UTF-8 encoded string to encode
* @return string Punycode-encoded string
*/
public static function punycode_encode($input) {
$output = '';
# let n = initial_n
$n = self::BOOTSTRAP_INITIAL_N;
# let delta = 0
$delta = 0;
# let bias = initial_bias
$bias = self::BOOTSTRAP_INITIAL_BIAS;
# let h = b = the number of basic code points in the input
$h = $b = 0; // see loop
# copy them to the output in order
$codepoints = self::utf8_to_codepoints($input);
$extended = array();
foreach ($codepoints as $char) {
if ($char < 128) {
// Character is valid ASCII
// TODO: this should also check if it's valid for a URL
$output .= chr($char);
$h++;
}
// Check if the character is non-ASCII, but below initial n
// This never occurs for Punycode, so ignore in coverage
// @codeCoverageIgnoreStart
elseif ($char < $n) {
throw new Requests_Exception('Invalid character', 'idna.character_outside_domain', $char);
}
// @codeCoverageIgnoreEnd
else {
$extended[$char] = true;
}
}
$extended = array_keys($extended);
sort($extended);
$b = $h;
# [copy them] followed by a delimiter if b > 0
if (strlen($output) > 0) {
$output .= '-';
}
# {if the input contains a non-basic code point < n then fail}
# while h < length(input) do begin
while ($h < count($codepoints)) {
# let m = the minimum code point >= n in the input
$m = array_shift($extended);
//printf('next code point to insert is %s' . PHP_EOL, dechex($m));
# let delta = delta + (m - n) * (h + 1), fail on overflow
$delta += ($m - $n) * ($h + 1);
# let n = m
$n = $m;
# for each code point c in the input (in order) do begin
for ($num = 0; $num < count($codepoints); $num++) {
$c = $codepoints[$num];
# if c < n then increment delta, fail on overflow
if ($c < $n) {
$delta++;
}
# if c == n then begin
elseif ($c === $n) {
# let q = delta
$q = $delta;
# for k = base to infinity in steps of base do begin
for ($k = self::BOOTSTRAP_BASE; ; $k += self::BOOTSTRAP_BASE) {
# let t = tmin if k <= bias {+ tmin}, or
# tmax if k >= bias + tmax, or k - bias otherwise
if ($k <= ($bias + self::BOOTSTRAP_TMIN)) {
$t = self::BOOTSTRAP_TMIN;
}
elseif ($k >= ($bias + self::BOOTSTRAP_TMAX)) {
$t = self::BOOTSTRAP_TMAX;
}
else {
$t = $k - $bias;
}
# if q < t then break
if ($q < $t) {
break;
}
# output the code point for digit t + ((q - t) mod (base - t))
$digit = $t + (($q - $t) % (self::BOOTSTRAP_BASE - $t));
$output .= self::digit_to_char($digit);
# let q = (q - t) div (base - t)
$q = floor(($q - $t) / (self::BOOTSTRAP_BASE - $t));
# end
}
# output the code point for digit q
$output .= self::digit_to_char($q);
# let bias = adapt(delta, h + 1, test h equals b?)
$bias = self::adapt($delta, $h + 1, $h === $b);
# let delta = 0
$delta = 0;
# increment h
$h++;
# end
}
# end
}
# increment delta and n
$delta++;
$n++;
# end
}
return $output;
}
/**
* Convert a digit to its respective character
*
* @see http://tools.ietf.org/html/rfc3492#section-5
* @throws Requests_Exception On invalid digit (`idna.invalid_digit`)
*
* @param int $digit Digit in the range 0-35
* @return string Single character corresponding to digit
*/
protected static function digit_to_char($digit) {
// @codeCoverageIgnoreStart
// As far as I know, this never happens, but still good to be sure.
if ($digit < 0 || $digit > 35) {
throw new Requests_Exception(sprintf('Invalid digit %d', $digit), 'idna.invalid_digit', $digit);
}
// @codeCoverageIgnoreEnd
$digits = 'abcdefghijklmnopqrstuvwxyz0123456789';
return substr($digits, $digit, 1);
}
/**
* Adapt the bias
*
* @see http://tools.ietf.org/html/rfc3492#section-6.1
* @param int $delta
* @param int $numpoints
* @param bool $firsttime
* @return int New bias
*/
protected static function adapt($delta, $numpoints, $firsttime) {
# function adapt(delta,numpoints,firsttime):
# if firsttime then let delta = delta div damp
if ($firsttime) {
$delta = floor($delta / self::BOOTSTRAP_DAMP);
}
# else let delta = delta div 2
else {
$delta = floor($delta / 2);
}
# let delta = delta + (delta div numpoints)
$delta += floor($delta / $numpoints);
# let k = 0
$k = 0;
# while delta > ((base - tmin) * tmax) div 2 do begin
$max = floor(((self::BOOTSTRAP_BASE - self::BOOTSTRAP_TMIN) * self::BOOTSTRAP_TMAX) / 2);
while ($delta > $max) {
# let delta = delta div (base - tmin)
$delta = floor($delta / (self::BOOTSTRAP_BASE - self::BOOTSTRAP_TMIN));
# let k = k + base
$k += self::BOOTSTRAP_BASE;
# end
}
# return k + (((base - tmin + 1) * delta) div (delta + skew))
return $k + floor(((self::BOOTSTRAP_BASE - self::BOOTSTRAP_TMIN + 1) * $delta) / ($delta + self::BOOTSTRAP_SKEW));
}
}

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<?php
/**
* Class to validate and to work with IPv6 addresses
*
* @package Requests
* @subpackage Utilities
*/
/**
* Class to validate and to work with IPv6 addresses
*
* This was originally based on the PEAR class of the same name, but has been
* entirely rewritten.
*
* @package Requests
* @subpackage Utilities
*/
class Requests_IPv6 {
/**
* Uncompresses an IPv6 address
*
* RFC 4291 allows you to compress consecutive zero pieces in an address to
* '::'. This method expects a valid IPv6 address and expands the '::' to
* the required number of zero pieces.
*
* Example: FF01::101 -> FF01:0:0:0:0:0:0:101
* ::1 -> 0:0:0:0:0:0:0:1
*
* @author Alexander Merz <alexander.merz@web.de>
* @author elfrink at introweb dot nl
* @author Josh Peck <jmp at joshpeck dot org>
* @copyright 2003-2005 The PHP Group
* @license http://www.opensource.org/licenses/bsd-license.php
* @param string $ip An IPv6 address
* @return string The uncompressed IPv6 address
*/
public static function uncompress($ip) {
if (substr_count($ip, '::') !== 1) {
return $ip;
}
list($ip1, $ip2) = explode('::', $ip);
$c1 = ($ip1 === '') ? -1 : substr_count($ip1, ':');
$c2 = ($ip2 === '') ? -1 : substr_count($ip2, ':');
if (strpos($ip2, '.') !== false) {
$c2++;
}
// ::
if ($c1 === -1 && $c2 === -1) {
$ip = '0:0:0:0:0:0:0:0';
}
// ::xxx
else if ($c1 === -1) {
$fill = str_repeat('0:', 7 - $c2);
$ip = str_replace('::', $fill, $ip);
}
// xxx::
else if ($c2 === -1) {
$fill = str_repeat(':0', 7 - $c1);
$ip = str_replace('::', $fill, $ip);
}
// xxx::xxx
else {
$fill = ':' . str_repeat('0:', 6 - $c2 - $c1);
$ip = str_replace('::', $fill, $ip);
}
return $ip;
}
/**
* Compresses an IPv6 address
*
* RFC 4291 allows you to compress consecutive zero pieces in an address to
* '::'. This method expects a valid IPv6 address and compresses consecutive
* zero pieces to '::'.
*
* Example: FF01:0:0:0:0:0:0:101 -> FF01::101
* 0:0:0:0:0:0:0:1 -> ::1
*
* @see uncompress()
* @param string $ip An IPv6 address
* @return string The compressed IPv6 address
*/
public static function compress($ip) {
// Prepare the IP to be compressed
$ip = self::uncompress($ip);
$ip_parts = self::split_v6_v4($ip);
// Replace all leading zeros
$ip_parts[0] = preg_replace('/(^|:)0+([0-9])/', '\1\2', $ip_parts[0]);
// Find bunches of zeros
if (preg_match_all('/(?:^|:)(?:0(?::|$))+/', $ip_parts[0], $matches, PREG_OFFSET_CAPTURE)) {
$max = 0;
$pos = null;
foreach ($matches[0] as $match) {
if (strlen($match[0]) > $max) {
$max = strlen($match[0]);
$pos = $match[1];
}
}
$ip_parts[0] = substr_replace($ip_parts[0], '::', $pos, $max);
}
if ($ip_parts[1] !== '') {
return implode(':', $ip_parts);
}
else {
return $ip_parts[0];
}
}
/**
* Splits an IPv6 address into the IPv6 and IPv4 representation parts
*
* RFC 4291 allows you to represent the last two parts of an IPv6 address
* using the standard IPv4 representation
*
* Example: 0:0:0:0:0:0:13.1.68.3
* 0:0:0:0:0:FFFF:129.144.52.38
*
* @param string $ip An IPv6 address
* @return string[] [0] contains the IPv6 represented part, and [1] the IPv4 represented part
*/
protected static function split_v6_v4($ip) {
if (strpos($ip, '.') !== false) {
$pos = strrpos($ip, ':');
$ipv6_part = substr($ip, 0, $pos);
$ipv4_part = substr($ip, $pos + 1);
return array($ipv6_part, $ipv4_part);
}
else {
return array($ip, '');
}
}
/**
* Checks an IPv6 address
*
* Checks if the given IP is a valid IPv6 address
*
* @param string $ip An IPv6 address
* @return bool true if $ip is a valid IPv6 address
*/
public static function check_ipv6($ip) {
$ip = self::uncompress($ip);
list($ipv6, $ipv4) = self::split_v6_v4($ip);
$ipv6 = explode(':', $ipv6);
$ipv4 = explode('.', $ipv4);
if (count($ipv6) === 8 && count($ipv4) === 1 || count($ipv6) === 6 && count($ipv4) === 4) {
foreach ($ipv6 as $ipv6_part) {
// The section can't be empty
if ($ipv6_part === '') {
return false;
}
// Nor can it be over four characters
if (strlen($ipv6_part) > 4) {
return false;
}
// Remove leading zeros (this is safe because of the above)
$ipv6_part = ltrim($ipv6_part, '0');
if ($ipv6_part === '') {
$ipv6_part = '0';
}
// Check the value is valid
$value = hexdec($ipv6_part);
if (dechex($value) !== strtolower($ipv6_part) || $value < 0 || $value > 0xFFFF) {
return false;
}
}
if (count($ipv4) === 4) {
foreach ($ipv4 as $ipv4_part) {
$value = (int) $ipv4_part;
if ((string) $value !== $ipv4_part || $value < 0 || $value > 0xFF) {
return false;
}
}
}
return true;
}
else {
return false;
}
}
}

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<?php
/**
* Proxy connection interface
*
* @package Requests
* @subpackage Proxy
* @since 1.6
*/
/**
* Proxy connection interface
*
* Implement this interface to handle proxy settings and authentication
*
* Parameters should be passed via the constructor where possible, as this
* makes it much easier for users to use your provider.
*
* @see Requests_Hooks
* @package Requests
* @subpackage Proxy
* @since 1.6
*/
interface Requests_Proxy {
/**
* Register hooks as needed
*
* This method is called in {@see Requests::request} when the user has set
* an instance as the 'auth' option. Use this callback to register all the
* hooks you'll need.
*
* @see Requests_Hooks::register
* @param Requests_Hooks $hooks Hook system
*/
public function register(Requests_Hooks &$hooks);
}

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<?php
/**
* HTTP Proxy connection interface
*
* @package Requests
* @subpackage Proxy
* @since 1.6
*/
/**
* HTTP Proxy connection interface
*
* Provides a handler for connection via an HTTP proxy
*
* @package Requests
* @subpackage Proxy
* @since 1.6
*/
class Requests_Proxy_HTTP implements Requests_Proxy {
/**
* Proxy host and port
*
* Notation: "host:port" (eg 127.0.0.1:8080 or someproxy.com:3128)
*
* @var string
*/
public $proxy;
/**
* Username
*
* @var string
*/
public $user;
/**
* Password
*
* @var string
*/
public $pass;
/**
* Do we need to authenticate? (ie username & password have been provided)
*
* @var boolean
*/
public $use_authentication;
/**
* Constructor
*
* @since 1.6
* @throws Requests_Exception On incorrect number of arguments (`authbasicbadargs`)
* @param array|null $args Array of user and password. Must have exactly two elements
*/
public function __construct($args = null) {
if (is_string($args)) {
$this->proxy = $args;
}
elseif (is_array($args)) {
if (count($args) == 1) {
list($this->proxy) = $args;
}
elseif (count($args) == 3) {
list($this->proxy, $this->user, $this->pass) = $args;
$this->use_authentication = true;
}
else {
throw new Requests_Exception('Invalid number of arguments', 'proxyhttpbadargs');
}
}
}
/**
* Register the necessary callbacks
*
* @since 1.6
* @see curl_before_send
* @see fsockopen_remote_socket
* @see fsockopen_remote_host_path
* @see fsockopen_header
* @param Requests_Hooks $hooks Hook system
*/
public function register(Requests_Hooks &$hooks) {
$hooks->register('curl.before_send', array(&$this, 'curl_before_send'));
$hooks->register('fsockopen.remote_socket', array(&$this, 'fsockopen_remote_socket'));
$hooks->register('fsockopen.remote_host_path', array(&$this, 'fsockopen_remote_host_path'));
if ($this->use_authentication) {
$hooks->register('fsockopen.after_headers', array(&$this, 'fsockopen_header'));
}
}
/**
* Set cURL parameters before the data is sent
*
* @since 1.6
* @param resource $handle cURL resource
*/
public function curl_before_send(&$handle) {
curl_setopt($handle, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
curl_setopt($handle, CURLOPT_PROXY, $this->proxy);
if ($this->use_authentication) {
curl_setopt($handle, CURLOPT_PROXYAUTH, CURLAUTH_ANY);
curl_setopt($handle, CURLOPT_PROXYUSERPWD, $this->get_auth_string());
}
}
/**
* Alter remote socket information before opening socket connection
*
* @since 1.6
* @param string $remote_socket Socket connection string
*/
public function fsockopen_remote_socket(&$remote_socket) {
$remote_socket = $this->proxy;
}
/**
* Alter remote path before getting stream data
*
* @since 1.6
* @param string $path Path to send in HTTP request string ("GET ...")
* @param string $url Full URL we're requesting
*/
public function fsockopen_remote_host_path(&$path, $url) {
$path = $url;
}
/**
* Add extra headers to the request before sending
*
* @since 1.6
* @param string $out HTTP header string
*/
public function fsockopen_header(&$out) {
$out .= sprintf("Proxy-Authorization: Basic %s\r\n", base64_encode($this->get_auth_string()));
}
/**
* Get the authentication string (user:pass)
*
* @since 1.6
* @return string
*/
public function get_auth_string() {
return $this->user . ':' . $this->pass;
}
}

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<?php
/**
* HTTP response class
*
* Contains a response from Requests::request()
* @package Requests
*/
/**
* HTTP response class
*
* Contains a response from Requests::request()
* @package Requests
*/
class Requests_Response {
/**
* Constructor
*/
public function __construct() {
$this->headers = new Requests_Response_Headers();
$this->cookies = new Requests_Cookie_Jar();
}
/**
* Response body
*
* @var string
*/
public $body = '';
/**
* Raw HTTP data from the transport
*
* @var string
*/
public $raw = '';
/**
* Headers, as an associative array
*
* @var Requests_Response_Headers Array-like object representing headers
*/
public $headers = array();
/**
* Status code, false if non-blocking
*
* @var integer|boolean
*/
public $status_code = false;
/**
* Protocol version, false if non-blocking
* @var float|boolean
*/
public $protocol_version = false;
/**
* Whether the request succeeded or not
*
* @var boolean
*/
public $success = false;
/**
* Number of redirects the request used
*
* @var integer
*/
public $redirects = 0;
/**
* URL requested
*
* @var string
*/
public $url = '';
/**
* Previous requests (from redirects)
*
* @var array Array of Requests_Response objects
*/
public $history = array();
/**
* Cookies from the request
*
* @var Requests_Cookie_Jar Array-like object representing a cookie jar
*/
public $cookies = array();
/**
* Is the response a redirect?
*
* @return boolean True if redirect (3xx status), false if not.
*/
public function is_redirect() {
$code = $this->status_code;
return in_array($code, array(300, 301, 302, 303, 307)) || $code > 307 && $code < 400;
}
/**
* Throws an exception if the request was not successful
*
* @throws Requests_Exception If `$allow_redirects` is false, and code is 3xx (`response.no_redirects`)
* @throws Requests_Exception_HTTP On non-successful status code. Exception class corresponds to code (e.g. {@see Requests_Exception_HTTP_404})
* @param boolean $allow_redirects Set to false to throw on a 3xx as well
*/
public function throw_for_status($allow_redirects = true) {
if ($this->is_redirect()) {
if (!$allow_redirects) {
throw new Requests_Exception('Redirection not allowed', 'response.no_redirects', $this);
}
}
elseif (!$this->success) {
$exception = Requests_Exception_HTTP::get_class($this->status_code);
throw new $exception(null, $this);
}
}
}

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<?php
/**
* Case-insensitive dictionary, suitable for HTTP headers
*
* @package Requests
*/
/**
* Case-insensitive dictionary, suitable for HTTP headers
*
* @package Requests
*/
class Requests_Response_Headers extends Requests_Utility_CaseInsensitiveDictionary {
/**
* Get the given header
*
* Unlike {@see self::getValues()}, this returns a string. If there are
* multiple values, it concatenates them with a comma as per RFC2616.
*
* Avoid using this where commas may be used unquoted in values, such as
* Set-Cookie headers.
*
* @param string $key
* @return string Header value
*/
public function offsetGet($key) {
$key = strtolower($key);
if (!isset($this->data[$key])) {
return null;
}
return $this->flatten($this->data[$key]);
}
/**
* Set the given item
*
* @throws Requests_Exception On attempting to use dictionary as list (`invalidset`)
*
* @param string $key Item name
* @param string $value Item value
*/
public function offsetSet($key, $value) {
if ($key === null) {
throw new Requests_Exception('Object is a dictionary, not a list', 'invalidset');
}
$key = strtolower($key);
if (!isset($this->data[$key])) {
$this->data[$key] = array();
}
$this->data[$key][] = $value;
}
/**
* Get all values for a given header
*
* @param string $key
* @return array Header values
*/
public function getValues($key) {
$key = strtolower($key);
if (!isset($this->data[$key])) {
return null;
}
return $this->data[$key];
}
/**
* Flattens a value into a string
*
* Converts an array into a string by imploding values with a comma, as per
* RFC2616's rules for folding headers.
*
* @param string|array $value Value to flatten
* @return string Flattened value
*/
public function flatten($value) {
if (is_array($value)) {
$value = implode(',', $value);
}
return $value;
}
/**
* Get an iterator for the data
*
* Converts the internal
* @return ArrayIterator
*/
public function getIterator() {
return new Requests_Utility_FilteredIterator($this->data, array($this, 'flatten'));
}
}

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<?php
/**
* SSL utilities for Requests
*
* @package Requests
* @subpackage Utilities
*/
/**
* SSL utilities for Requests
*
* Collection of utilities for working with and verifying SSL certificates.
*
* @package Requests
* @subpackage Utilities
*/
class Requests_SSL {
/**
* Verify the certificate against common name and subject alternative names
*
* Unfortunately, PHP doesn't check the certificate against the alternative
* names, leading things like 'https://www.github.com/' to be invalid.
* Instead
*
* @see http://tools.ietf.org/html/rfc2818#section-3.1 RFC2818, Section 3.1
*
* @throws Requests_Exception On not obtaining a match for the host (`fsockopen.ssl.no_match`)
* @param string $host Host name to verify against
* @param array $cert Certificate data from openssl_x509_parse()
* @return bool
*/
public static function verify_certificate($host, $cert) {
// Calculate the valid wildcard match if the host is not an IP address
$parts = explode('.', $host);
if (ip2long($host) === false) {
$parts[0] = '*';
}
$wildcard = implode('.', $parts);
$has_dns_alt = false;
// Check the subjectAltName
if (!empty($cert['extensions']) && !empty($cert['extensions']['subjectAltName'])) {
$altnames = explode(',', $cert['extensions']['subjectAltName']);
foreach ($altnames as $altname) {
$altname = trim($altname);
if (strpos($altname, 'DNS:') !== 0) {
continue;
}
$has_dns_alt = true;
// Strip the 'DNS:' prefix and trim whitespace
$altname = trim(substr($altname, 4));
// Check for a match
if (self::match_domain($host, $altname) === true) {
return true;
}
}
}
// Fall back to checking the common name if we didn't get any dNSName
// alt names, as per RFC2818
if (!$has_dns_alt && !empty($cert['subject']['CN'])) {
// Check for a match
if (self::match_domain($host, $cert['subject']['CN']) === true) {
return true;
}
}
return false;
}
/**
* Verify that a reference name is valid
*
* Verifies a dNSName for HTTPS usage, (almost) as per Firefox's rules:
* - Wildcards can only occur in a name with more than 3 components
* - Wildcards can only occur as the last character in the first
* component
* - Wildcards may be preceded by additional characters
*
* We modify these rules to be a bit stricter and only allow the wildcard
* character to be the full first component; that is, with the exclusion of
* the third rule.
*
* @param string $reference Reference dNSName
* @return boolean Is the name valid?
*/
public static function verify_reference_name($reference) {
$parts = explode('.', $reference);
// Check the first part of the name
$first = array_shift($parts);
if (strpos($first, '*') !== false) {
// Check that the wildcard is the full part
if ($first !== '*') {
return false;
}
// Check that we have at least 3 components (including first)
if (count($parts) < 2) {
return false;
}
}
// Check the remaining parts
foreach ($parts as $part) {
if (strpos($part, '*') !== false) {
return false;
}
}
// Nothing found, verified!
return true;
}
/**
* Match a hostname against a dNSName reference
*
* @param string $host Requested host
* @param string $reference dNSName to match against
* @return boolean Does the domain match?
*/
public static function match_domain($host, $reference) {
// Check if the reference is blacklisted first
if (self::verify_reference_name($reference) !== true) {
return false;
}
// Check for a direct match
if ($host === $reference) {
return true;
}
// Calculate the valid wildcard match if the host is not an IP address
// Also validates that the host has 3 parts or more, as per Firefox's
// ruleset.
if (ip2long($host) === false) {
$parts = explode('.', $host);
$parts[0] = '*';
$wildcard = implode('.', $parts);
if ($wildcard === $reference) {
return true;
}
}
return false;
}
}

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<?php
/**
* Session handler for persistent requests and default parameters
*
* @package Requests
* @subpackage Session Handler
*/
/**
* Session handler for persistent requests and default parameters
*
* Allows various options to be set as default values, and merges both the
* options and URL properties together. A base URL can be set for all requests,
* with all subrequests resolved from this. Base options can be set (including
* a shared cookie jar), then overridden for individual requests.
*
* @package Requests
* @subpackage Session Handler
*/
class Requests_Session {
/**
* Base URL for requests
*
* URLs will be made absolute using this as the base
* @var string|null
*/
public $url = null;
/**
* Base headers for requests
* @var array
*/
public $headers = array();
/**
* Base data for requests
*
* If both the base data and the per-request data are arrays, the data will
* be merged before sending the request.
*
* @var array
*/
public $data = array();
/**
* Base options for requests
*
* The base options are merged with the per-request data for each request.
* The only default option is a shared cookie jar between requests.
*
* Values here can also be set directly via properties on the Session
* object, e.g. `$session->useragent = 'X';`
*
* @var array
*/
public $options = array();
/**
* Create a new session
*
* @param string|null $url Base URL for requests
* @param array $headers Default headers for requests
* @param array $data Default data for requests
* @param array $options Default options for requests
*/
public function __construct($url = null, $headers = array(), $data = array(), $options = array()) {
$this->url = $url;
$this->headers = $headers;
$this->data = $data;
$this->options = $options;
if (empty($this->options['cookies'])) {
$this->options['cookies'] = new Requests_Cookie_Jar();
}
}
/**
* Get a property's value
*
* @param string $key Property key
* @return mixed|null Property value, null if none found
*/
public function __get($key) {
if (isset($this->options[$key])) {
return $this->options[$key];
}
return null;
}
/**
* Set a property's value
*
* @param string $key Property key
* @param mixed $value Property value
*/
public function __set($key, $value) {
$this->options[$key] = $value;
}
/**
* Remove a property's value
*
* @param string $key Property key
*/
public function __isset($key) {
return isset($this->options[$key]);
}
/**
* Remove a property's value
*
* @param string $key Property key
*/
public function __unset($key) {
if (isset($this->options[$key])) {
unset($this->options[$key]);
}
}
/**#@+
* @see request()
* @param string $url
* @param array $headers
* @param array $options
* @return Requests_Response
*/
/**
* Send a GET request
*/
public function get($url, $headers = array(), $options = array()) {
return $this->request($url, $headers, null, Requests::GET, $options);
}
/**
* Send a HEAD request
*/
public function head($url, $headers = array(), $options = array()) {
return $this->request($url, $headers, null, Requests::HEAD, $options);
}
/**
* Send a DELETE request
*/
public function delete($url, $headers = array(), $options = array()) {
return $this->request($url, $headers, null, Requests::DELETE, $options);
}
/**#@-*/
/**#@+
* @see request()
* @param string $url
* @param array $headers
* @param array $data
* @param array $options
* @return Requests_Response
*/
/**
* Send a POST request
*/
public function post($url, $headers = array(), $data = array(), $options = array()) {
return $this->request($url, $headers, $data, Requests::POST, $options);
}
/**
* Send a PUT request
*/
public function put($url, $headers = array(), $data = array(), $options = array()) {
return $this->request($url, $headers, $data, Requests::PUT, $options);
}
/**
* Send a PATCH request
*
* Note: Unlike {@see post} and {@see put}, `$headers` is required, as the
* specification recommends that should send an ETag
*
* @link http://tools.ietf.org/html/rfc5789
*/
public function patch($url, $headers, $data = array(), $options = array()) {
return $this->request($url, $headers, $data, Requests::PATCH, $options);
}
/**#@-*/
/**
* Main interface for HTTP requests
*
* This method initiates a request and sends it via a transport before
* parsing.
*
* @see Requests::request()
*
* @throws Requests_Exception On invalid URLs (`nonhttp`)
*
* @param string $url URL to request
* @param array $headers Extra headers to send with the request
* @param array|null $data Data to send either as a query string for GET/HEAD requests, or in the body for POST requests
* @param string $type HTTP request type (use Requests constants)
* @param array $options Options for the request (see {@see Requests::request})
* @return Requests_Response
*/
public function request($url, $headers = array(), $data = array(), $type = Requests::GET, $options = array()) {
$request = $this->merge_request(compact('url', 'headers', 'data', 'options'));
return Requests::request($request['url'], $request['headers'], $request['data'], $type, $request['options']);
}
/**
* Send multiple HTTP requests simultaneously
*
* @see Requests::request_multiple()
*
* @param array $requests Requests data (see {@see Requests::request_multiple})
* @param array $options Global and default options (see {@see Requests::request})
* @return array Responses (either Requests_Response or a Requests_Exception object)
*/
public function request_multiple($requests, $options = array()) {
foreach ($requests as $key => $request) {
$requests[$key] = $this->merge_request($request, false);
}
$options = array_merge($this->options, $options);
// Disallow forcing the type, as that's a per request setting
unset($options['type']);
return Requests::request_multiple($requests, $options);
}
/**
* Merge a request's data with the default data
*
* @param array $request Request data (same form as {@see request_multiple})
* @param boolean $merge_options Should we merge options as well?
* @return array Request data
*/
protected function merge_request($request, $merge_options = true) {
if ($this->url !== null) {
$request['url'] = Requests_IRI::absolutize($this->url, $request['url']);
$request['url'] = $request['url']->uri;
}
if (empty($request['headers'])) {
$request['headers'] = array();
}
$request['headers'] = array_merge($this->headers, $request['headers']);
if (empty($request['data'])) {
if (is_array($this->data)) {
$request['data'] = $this->data;
}
}
elseif (is_array($request['data']) && is_array($this->data)) {
$request['data'] = array_merge($this->data, $request['data']);
}
if ($merge_options !== false) {
$request['options'] = array_merge($this->options, $request['options']);
// Disallow forcing the type, as that's a per request setting
unset($request['options']['type']);
}
return $request;
}
}

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<?php
/**
* Base HTTP transport
*
* @package Requests
* @subpackage Transport
*/
/**
* Base HTTP transport
*
* @package Requests
* @subpackage Transport
*/
interface Requests_Transport {
/**
* Perform a request
*
* @param string $url URL to request
* @param array $headers Associative array of request headers
* @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
* @param array $options Request options, see {@see Requests::response()} for documentation
* @return string Raw HTTP result
*/
public function request($url, $headers = array(), $data = array(), $options = array());
/**
* Send multiple requests simultaneously
*
* @param array $requests Request data (array of 'url', 'headers', 'data', 'options') as per {@see Requests_Transport::request}
* @param array $options Global options, see {@see Requests::response()} for documentation
* @return array Array of Requests_Response objects (may contain Requests_Exception or string responses as well)
*/
public function request_multiple($requests, $options);
/**
* Self-test whether the transport can be used
* @return bool
*/
public static function test();
}

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wp-includes/Requests/Transport/cURL.php Normal file
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<?php
/**
* cURL HTTP transport
*
* @package Requests
* @subpackage Transport
*/
/**
* cURL HTTP transport
*
* @package Requests
* @subpackage Transport
*/
class Requests_Transport_cURL implements Requests_Transport {
const CURL_7_10_5 = 0x070A05;
const CURL_7_16_2 = 0x071002;
/**
* Raw HTTP data
*
* @var string
*/
public $headers = '';
/**
* Raw body data
*
* @var string
*/
public $response_data = '';
/**
* Information on the current request
*
* @var array cURL information array, see {@see http://php.net/curl_getinfo}
*/
public $info;
/**
* Version string
*
* @var long
*/
public $version;
/**
* cURL handle
*
* @var resource
*/
protected $handle;
/**
* Hook dispatcher instance
*
* @var Requests_Hooks
*/
protected $hooks;
/**
* Have we finished the headers yet?
*
* @var boolean
*/
protected $done_headers = false;
/**
* If streaming to a file, keep the file pointer
*
* @var resource
*/
protected $stream_handle;
/**
* How many bytes are in the response body?
*
* @var int
*/
protected $response_bytes;
/**
* What's the maximum number of bytes we should keep?
*
* @var int|bool Byte count, or false if no limit.
*/
protected $response_byte_limit;
/**
* Constructor
*/
public function __construct() {
$curl = curl_version();
$this->version = $curl['version_number'];
$this->handle = curl_init();
curl_setopt($this->handle, CURLOPT_HEADER, false);
curl_setopt($this->handle, CURLOPT_RETURNTRANSFER, 1);
if ($this->version >= self::CURL_7_10_5) {
curl_setopt($this->handle, CURLOPT_ENCODING, '');
}
if (defined('CURLOPT_PROTOCOLS')) {
curl_setopt($this->handle, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
}
if (defined('CURLOPT_REDIR_PROTOCOLS')) {
curl_setopt($this->handle, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
}
}
/**
* Destructor
*/
public function __destruct() {
if (is_resource($this->handle)) {
curl_close($this->handle);
}
}
/**
* Perform a request
*
* @throws Requests_Exception On a cURL error (`curlerror`)
*
* @param string $url URL to request
* @param array $headers Associative array of request headers
* @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
* @param array $options Request options, see {@see Requests::response()} for documentation
* @return string Raw HTTP result
*/
public function request($url, $headers = array(), $data = array(), $options = array()) {
$this->hooks = $options['hooks'];
$this->setup_handle($url, $headers, $data, $options);
$options['hooks']->dispatch('curl.before_send', array(&$this->handle));
if ($options['filename'] !== false) {
$this->stream_handle = fopen($options['filename'], 'wb');
}
$this->response_data = '';
$this->response_bytes = 0;
$this->response_byte_limit = false;
if ($options['max_bytes'] !== false) {
$this->response_byte_limit = $options['max_bytes'];
}
if (isset($options['verify'])) {
if ($options['verify'] === false) {
curl_setopt($this->handle, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($this->handle, CURLOPT_SSL_VERIFYPEER, 0);
}
elseif (is_string($options['verify'])) {
curl_setopt($this->handle, CURLOPT_CAINFO, $options['verify']);
}
}
if (isset($options['verifyname']) && $options['verifyname'] === false) {
curl_setopt($this->handle, CURLOPT_SSL_VERIFYHOST, 0);
}
curl_exec($this->handle);
$response = $this->response_data;
$options['hooks']->dispatch('curl.after_send', array());
if (curl_errno($this->handle) === 23 || curl_errno($this->handle) === 61) {
// Reset encoding and try again
curl_setopt($this->handle, CURLOPT_ENCODING, 'none');
$this->response_data = '';
$this->response_bytes = 0;
curl_exec($this->handle);
$response = $this->response_data;
}
$this->process_response($response, $options);
// Need to remove the $this reference from the curl handle.
// Otherwise Requests_Transport_cURL wont be garbage collected and the curl_close() will never be called.
curl_setopt($this->handle, CURLOPT_HEADERFUNCTION, null);
curl_setopt($this->handle, CURLOPT_WRITEFUNCTION, null);
return $this->headers;
}
/**
* Send multiple requests simultaneously
*
* @param array $requests Request data
* @param array $options Global options
* @return array Array of Requests_Response objects (may contain Requests_Exception or string responses as well)
*/
public function request_multiple($requests, $options) {
// If you're not requesting, we can't get any responses ¯\_(ツ)_/¯
if (empty($requests)) {
return array();
}
$multihandle = curl_multi_init();
$subrequests = array();
$subhandles = array();
$class = get_class($this);
foreach ($requests as $id => $request) {
$subrequests[$id] = new $class();
$subhandles[$id] = $subrequests[$id]->get_subrequest_handle($request['url'], $request['headers'], $request['data'], $request['options']);
$request['options']['hooks']->dispatch('curl.before_multi_add', array(&$subhandles[$id]));
curl_multi_add_handle($multihandle, $subhandles[$id]);
}
$completed = 0;
$responses = array();
$request['options']['hooks']->dispatch('curl.before_multi_exec', array(&$multihandle));
do {
$active = false;
do {
$status = curl_multi_exec($multihandle, $active);
}
while ($status === CURLM_CALL_MULTI_PERFORM);
$to_process = array();
// Read the information as needed
while ($done = curl_multi_info_read($multihandle)) {
$key = array_search($done['handle'], $subhandles, true);
if (!isset($to_process[$key])) {
$to_process[$key] = $done;
}
}
// Parse the finished requests before we start getting the new ones
foreach ($to_process as $key => $done) {
$options = $requests[$key]['options'];
if (CURLE_OK !== $done['result']) {
//get error string for handle.
$reason = curl_error($done['handle']);
$exception = new Requests_Exception_Transport_cURL(
$reason,
Requests_Exception_Transport_cURL::EASY,
$done['handle'],
$done['result']
);
$responses[$key] = $exception;
$options['hooks']->dispatch('transport.internal.parse_error', array(&$responses[$key], $requests[$key]));
}
else {
$responses[$key] = $subrequests[$key]->process_response($subrequests[$key]->response_data, $options);
$options['hooks']->dispatch('transport.internal.parse_response', array(&$responses[$key], $requests[$key]));
}
curl_multi_remove_handle($multihandle, $done['handle']);
curl_close($done['handle']);
if (!is_string($responses[$key])) {
$options['hooks']->dispatch('multiple.request.complete', array(&$responses[$key], $key));
}
$completed++;
}
}
while ($active || $completed < count($subrequests));
$request['options']['hooks']->dispatch('curl.after_multi_exec', array(&$multihandle));
curl_multi_close($multihandle);
return $responses;
}
/**
* Get the cURL handle for use in a multi-request
*
* @param string $url URL to request
* @param array $headers Associative array of request headers
* @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
* @param array $options Request options, see {@see Requests::response()} for documentation
* @return resource Subrequest's cURL handle
*/
public function &get_subrequest_handle($url, $headers, $data, $options) {
$this->setup_handle($url, $headers, $data, $options);
if ($options['filename'] !== false) {
$this->stream_handle = fopen($options['filename'], 'wb');
}
$this->response_data = '';
$this->response_bytes = 0;
$this->response_byte_limit = false;
if ($options['max_bytes'] !== false) {
$this->response_byte_limit = $options['max_bytes'];
}
$this->hooks = $options['hooks'];
return $this->handle;
}
/**
* Setup the cURL handle for the given data
*
* @param string $url URL to request
* @param array $headers Associative array of request headers
* @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
* @param array $options Request options, see {@see Requests::response()} for documentation
*/
protected function setup_handle($url, $headers, $data, $options) {
$options['hooks']->dispatch('curl.before_request', array(&$this->handle));
$headers = Requests::flatten($headers);
if (!empty($data)) {
$data_format = $options['data_format'];
if ($data_format === 'query') {
$url = self::format_get($url, $data);
$data = '';
}
elseif (!is_string($data)) {
$data = http_build_query($data, null, '&');
}
}
switch ($options['type']) {
case Requests::POST:
curl_setopt($this->handle, CURLOPT_POST, true);
curl_setopt($this->handle, CURLOPT_POSTFIELDS, $data);
break;
case Requests::PATCH:
case Requests::PUT:
case Requests::DELETE:
case Requests::OPTIONS:
curl_setopt($this->handle, CURLOPT_CUSTOMREQUEST, $options['type']);
curl_setopt($this->handle, CURLOPT_POSTFIELDS, $data);
break;
case Requests::HEAD:
curl_setopt($this->handle, CURLOPT_CUSTOMREQUEST, $options['type']);
curl_setopt($this->handle, CURLOPT_NOBODY, true);
break;
case Requests::TRACE:
curl_setopt($this->handle, CURLOPT_CUSTOMREQUEST, $options['type']);
break;
}
if (is_int($options['timeout']) || $this->version < self::CURL_7_16_2) {
curl_setopt($this->handle, CURLOPT_TIMEOUT, ceil($options['timeout']));
}
else {
curl_setopt($this->handle, CURLOPT_TIMEOUT_MS, round($options['timeout'] * 1000));
}
if (is_int($options['connect_timeout']) || $this->version < self::CURL_7_16_2) {
curl_setopt($this->handle, CURLOPT_CONNECTTIMEOUT, ceil($options['connect_timeout']));
}
else {
curl_setopt($this->handle, CURLOPT_CONNECTTIMEOUT_MS, round($options['connect_timeout'] * 1000));
}
curl_setopt($this->handle, CURLOPT_URL, $url);
curl_setopt($this->handle, CURLOPT_REFERER, $url);
curl_setopt($this->handle, CURLOPT_USERAGENT, $options['useragent']);
curl_setopt($this->handle, CURLOPT_HTTPHEADER, $headers);
if ($options['protocol_version'] === 1.1) {
curl_setopt($this->handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
}
else {
curl_setopt($this->handle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
}
if (true === $options['blocking']) {
curl_setopt($this->handle, CURLOPT_HEADERFUNCTION, array(&$this, 'stream_headers'));
curl_setopt($this->handle, CURLOPT_WRITEFUNCTION, array(&$this, 'stream_body'));
curl_setopt($this->handle, CURLOPT_BUFFERSIZE, Requests::BUFFER_SIZE);
}
}
/**
* Process a response
*
* @param string $response Response data from the body
* @param array $options Request options
* @return string HTTP response data including headers
*/
public function process_response($response, $options) {
if ($options['blocking'] === false) {
$fake_headers = '';
$options['hooks']->dispatch('curl.after_request', array(&$fake_headers));
return false;
}
if ($options['filename'] !== false) {
fclose($this->stream_handle);
$this->headers = trim($this->headers);
}
else {
$this->headers .= $response;
}
if (curl_errno($this->handle)) {
$error = sprintf(
'cURL error %s: %s',
curl_errno($this->handle),
curl_error($this->handle)
);
throw new Requests_Exception($error, 'curlerror', $this->handle);
}
$this->info = curl_getinfo($this->handle);
$options['hooks']->dispatch('curl.after_request', array(&$this->headers, &$this->info));
return $this->headers;
}
/**
* Collect the headers as they are received
*
* @param resource $handle cURL resource
* @param string $headers Header string
* @return integer Length of provided header
*/
public function stream_headers($handle, $headers) {
// Why do we do this? cURL will send both the final response and any
// interim responses, such as a 100 Continue. We don't need that.
// (We may want to keep this somewhere just in case)
if ($this->done_headers) {
$this->headers = '';
$this->done_headers = false;
}
$this->headers .= $headers;
if ($headers === "\r\n") {
$this->done_headers = true;
}
return strlen($headers);
}
/**
* Collect data as it's received
*
* @since 1.6.1
*
* @param resource $handle cURL resource
* @param string $data Body data
* @return integer Length of provided data
*/
protected function stream_body($handle, $data) {
$this->hooks->dispatch('request.progress', array($data, $this->response_bytes, $this->response_byte_limit));
$data_length = strlen($data);
// Are we limiting the response size?
if ($this->response_byte_limit) {
if ($this->response_bytes === $this->response_byte_limit) {
// Already at maximum, move on
return $data_length;
}
if (($this->response_bytes + $data_length) > $this->response_byte_limit) {
// Limit the length
$limited_length = ($this->response_byte_limit - $this->response_bytes);
$data = substr($data, 0, $limited_length);
}
}
if ($this->stream_handle) {
fwrite($this->stream_handle, $data);
}
else {
$this->response_data .= $data;
}
$this->response_bytes += strlen($data);
return $data_length;
}
/**
* Format a URL given GET data
*
* @param string $url
* @param array|object $data Data to build query using, see {@see http://php.net/http_build_query}
* @return string URL with data
*/
protected static function format_get($url, $data) {
if (!empty($data)) {
$url_parts = parse_url($url);
if (empty($url_parts['query'])) {
$query = $url_parts['query'] = '';
}
else {
$query = $url_parts['query'];
}
$query .= '&' . http_build_query($data, null, '&');
$query = trim($query, '&');
if (empty($url_parts['query'])) {
$url .= '?' . $query;
}
else {
$url = str_replace($url_parts['query'], $query, $url);
}
}
return $url;
}
/**
* Whether this transport is valid
*
* @codeCoverageIgnore
* @return boolean True if the transport is valid, false otherwise.
*/
public static function test($capabilities = array()) {
if (!function_exists('curl_init') && !function_exists('curl_exec')) {
return false;
}
// If needed, check that our installed curl version supports SSL
if (isset($capabilities['ssl']) && $capabilities['ssl']) {
$curl_version = curl_version();
if (!(CURL_VERSION_SSL & $curl_version['features'])) {
return false;
}
}
return true;
}
}

441
wp-includes/Requests/Transport/fsockopen.php Normal file
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@ -0,0 +1,441 @@
<?php
/**
* fsockopen HTTP transport
*
* @package Requests
* @subpackage Transport
*/
/**
* fsockopen HTTP transport
*
* @package Requests
* @subpackage Transport
*/
class Requests_Transport_fsockopen implements Requests_Transport {
/**
* Second to microsecond conversion
*
* @var integer
*/
const SECOND_IN_MICROSECONDS = 1000000;
/**
* Raw HTTP data
*
* @var string
*/
public $headers = '';
/**
* Stream metadata
*
* @var array Associative array of properties, see {@see http://php.net/stream_get_meta_data}
*/
public $info;
/**
* What's the maximum number of bytes we should keep?
*
* @var int|bool Byte count, or false if no limit.
*/
protected $max_bytes = false;
protected $connect_error = '';
/**
* Perform a request
*
* @throws Requests_Exception On failure to connect to socket (`fsockopenerror`)
* @throws Requests_Exception On socket timeout (`timeout`)
*
* @param string $url URL to request
* @param array $headers Associative array of request headers
* @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
* @param array $options Request options, see {@see Requests::response()} for documentation
* @return string Raw HTTP result
*/
public function request($url, $headers = array(), $data = array(), $options = array()) {
$options['hooks']->dispatch('fsockopen.before_request');
$url_parts = parse_url($url);
if (empty($url_parts)) {
throw new Requests_Exception('Invalid URL.', 'invalidurl', $url);
}
$host = $url_parts['host'];
$context = stream_context_create();
$verifyname = false;
$case_insensitive_headers = new Requests_Utility_CaseInsensitiveDictionary($headers);
// HTTPS support
if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) === 'https') {
$remote_socket = 'ssl://' . $host;
$url_parts['port'] = 443;
$context_options = array(
'verify_peer' => true,
// 'CN_match' => $host,
'capture_peer_cert' => true
);
$verifyname = true;
// SNI, if enabled (OpenSSL >=0.9.8j)
if (defined('OPENSSL_TLSEXT_SERVER_NAME') && OPENSSL_TLSEXT_SERVER_NAME) {
$context_options['SNI_enabled'] = true;
if (isset($options['verifyname']) && $options['verifyname'] === false) {
$context_options['SNI_enabled'] = false;
}
}
if (isset($options['verify'])) {
if ($options['verify'] === false) {
$context_options['verify_peer'] = false;
}
elseif (is_string($options['verify'])) {
$context_options['cafile'] = $options['verify'];
}
}
if (isset($options['verifyname']) && $options['verifyname'] === false) {
$verifyname = false;
}
stream_context_set_option($context, array('ssl' => $context_options));
}
else {
$remote_socket = 'tcp://' . $host;
}
$this->max_bytes = $options['max_bytes'];
if (!isset($url_parts['port'])) {
$url_parts['port'] = 80;
}
$remote_socket .= ':' . $url_parts['port'];
set_error_handler(array($this, 'connect_error_handler'), E_WARNING | E_NOTICE);
$options['hooks']->dispatch('fsockopen.remote_socket', array(&$remote_socket));
$socket = stream_socket_client($remote_socket, $errno, $errstr, ceil($options['connect_timeout']), STREAM_CLIENT_CONNECT, $context);
restore_error_handler();
if ($verifyname && !$this->verify_certificate_from_context($host, $context)) {
throw new Requests_Exception('SSL certificate did not match the requested domain name', 'ssl.no_match');
}
if (!$socket) {
if ($errno === 0) {
// Connection issue
throw new Requests_Exception(rtrim($this->connect_error), 'fsockopen.connect_error');
}
throw new Requests_Exception($errstr, 'fsockopenerror', null, $errno);
}
$data_format = $options['data_format'];
if ($data_format === 'query') {
$path = self::format_get($url_parts, $data);
$data = '';
}
else {
$path = self::format_get($url_parts, array());
}
$options['hooks']->dispatch('fsockopen.remote_host_path', array(&$path, $url));
$request_body = '';
$out = sprintf("%s %s HTTP/%.1f\r\n", $options['type'], $path, $options['protocol_version']);
if ($options['type'] !== Requests::TRACE) {
if (is_array($data)) {
$request_body = http_build_query($data, null, '&');
}
else {
$request_body = $data;
}
if (!empty($data)) {
if (!isset($case_insensitive_headers['Content-Length'])) {
$headers['Content-Length'] = strlen($request_body);
}
if (!isset($case_insensitive_headers['Content-Type'])) {
$headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8';
}
}
}
if (!isset($case_insensitive_headers['Host'])) {
$out .= sprintf('Host: %s', $url_parts['host']);
if ($url_parts['port'] !== 80) {
$out .= ':' . $url_parts['port'];
}
$out .= "\r\n";
}
if (!isset($case_insensitive_headers['User-Agent'])) {
$out .= sprintf("User-Agent: %s\r\n", $options['useragent']);
}
$accept_encoding = $this->accept_encoding();
if (!isset($case_insensitive_headers['Accept-Encoding']) && !empty($accept_encoding)) {
$out .= sprintf("Accept-Encoding: %s\r\n", $accept_encoding);
}
$headers = Requests::flatten($headers);
if (!empty($headers)) {
$out .= implode($headers, "\r\n") . "\r\n";
}
$options['hooks']->dispatch('fsockopen.after_headers', array(&$out));
if (substr($out, -2) !== "\r\n") {
$out .= "\r\n";
}
if (!isset($case_insensitive_headers['Connection'])) {
$out .= "Connection: Close\r\n";
}
$out .= "\r\n" . $request_body;
$options['hooks']->dispatch('fsockopen.before_send', array(&$out));
fwrite($socket, $out);
$options['hooks']->dispatch('fsockopen.after_send', array($out));
if (!$options['blocking']) {
fclose($socket);
$fake_headers = '';
$options['hooks']->dispatch('fsockopen.after_request', array(&$fake_headers));
return '';
}
$timeout_sec = (int) floor($options['timeout']);
if ($timeout_sec == $options['timeout']) {
$timeout_msec = 0;
}
else {
$timeout_msec = self::SECOND_IN_MICROSECONDS * $options['timeout'] % self::SECOND_IN_MICROSECONDS;
}
stream_set_timeout($socket, $timeout_sec, $timeout_msec);
$response = $body = $headers = '';
$this->info = stream_get_meta_data($socket);
$size = 0;
$doingbody = false;
$download = false;
if ($options['filename']) {
$download = fopen($options['filename'], 'wb');
}
while (!feof($socket)) {
$this->info = stream_get_meta_data($socket);
if ($this->info['timed_out']) {
throw new Requests_Exception('fsocket timed out', 'timeout');
}
$block = fread($socket, Requests::BUFFER_SIZE);
if (!$doingbody) {
$response .= $block;
if (strpos($response, "\r\n\r\n")) {
list($headers, $block) = explode("\r\n\r\n", $response, 2);
$doingbody = true;
}
}
// Are we in body mode now?
if ($doingbody) {
$options['hooks']->dispatch('request.progress', array($block, $size, $this->max_bytes));
$data_length = strlen($block);
if ($this->max_bytes) {
// Have we already hit a limit?
if ($size === $this->max_bytes) {
continue;
}
if (($size + $data_length) > $this->max_bytes) {
// Limit the length
$limited_length = ($this->max_bytes - $size);
$block = substr($block, 0, $limited_length);
}
}
$size += strlen($block);
if ($download) {
fwrite($download, $block);
}
else {
$body .= $block;
}
}
}
$this->headers = $headers;
if ($download) {
fclose($download);
}
else {
$this->headers .= "\r\n\r\n" . $body;
}
fclose($socket);
$options['hooks']->dispatch('fsockopen.after_request', array(&$this->headers, &$this->info));
return $this->headers;
}
/**
* Send multiple requests simultaneously
*
* @param array $requests Request data (array of 'url', 'headers', 'data', 'options') as per {@see Requests_Transport::request}
* @param array $options Global options, see {@see Requests::response()} for documentation
* @return array Array of Requests_Response objects (may contain Requests_Exception or string responses as well)
*/
public function request_multiple($requests, $options) {
$responses = array();
$class = get_class($this);
foreach ($requests as $id => $request) {
try {
$handler = new $class();
$responses[$id] = $handler->request($request['url'], $request['headers'], $request['data'], $request['options']);
$request['options']['hooks']->dispatch('transport.internal.parse_response', array(&$responses[$id], $request));
}
catch (Requests_Exception $e) {
$responses[$id] = $e;
}
if (!is_string($responses[$id])) {
$request['options']['hooks']->dispatch('multiple.request.complete', array(&$responses[$id], $id));
}
}
return $responses;
}
/**
* Retrieve the encodings we can accept
*
* @return string Accept-Encoding header value
*/
protected static function accept_encoding() {
$type = array();
if (function_exists('gzinflate')) {
$type[] = 'deflate;q=1.0';
}
if (function_exists('gzuncompress')) {
$type[] = 'compress;q=0.5';
}
$type[] = 'gzip;q=0.5';
return implode(', ', $type);
}
/**
* Format a URL given GET data
*
* @param array $url_parts
* @param array|object $data Data to build query using, see {@see http://php.net/http_build_query}
* @return string URL with data
*/
protected static function format_get($url_parts, $data) {
if (!empty($data)) {
if (empty($url_parts['query'])) {
$url_parts['query'] = '';
}
$url_parts['query'] .= '&' . http_build_query($data, null, '&');
$url_parts['query'] = trim($url_parts['query'], '&');
}
if (isset($url_parts['path'])) {
if (isset($url_parts['query'])) {
$get = $url_parts['path'] . '?' . $url_parts['query'];
}
else {
$get = $url_parts['path'];
}
}
else {
$get = '/';
}
return $get;
}
/**
* Error handler for stream_socket_client()
*
* @param int $errno Error number (e.g. E_WARNING)
* @param string $errstr Error message
*/
public function connect_error_handler($errno, $errstr) {
// Double-check we can handle it
if (($errno & E_WARNING) === 0 && ($errno & E_NOTICE) === 0) {
// Return false to indicate the default error handler should engage
return false;
}
$this->connect_error .= $errstr . "\n";
return true;
}
/**
* Verify the certificate against common name and subject alternative names
*
* Unfortunately, PHP doesn't check the certificate against the alternative
* names, leading things like 'https://www.github.com/' to be invalid.
* Instead
*
* @see http://tools.ietf.org/html/rfc2818#section-3.1 RFC2818, Section 3.1
*
* @throws Requests_Exception On failure to connect via TLS (`fsockopen.ssl.connect_error`)
* @throws Requests_Exception On not obtaining a match for the host (`fsockopen.ssl.no_match`)
* @param string $host Host name to verify against
* @param resource $context Stream context
* @return bool
*/
public function verify_certificate_from_context($host, $context) {
$meta = stream_context_get_options($context);
// If we don't have SSL options, then we couldn't make the connection at
// all
if (empty($meta) || empty($meta['ssl']) || empty($meta['ssl']['peer_certificate'])) {
throw new Requests_Exception(rtrim($this->connect_error), 'ssl.connect_error');
}
$cert = openssl_x509_parse($meta['ssl']['peer_certificate']);
return Requests_SSL::verify_certificate($host, $cert);
}
/**
* Whether this transport is valid
*
* @codeCoverageIgnore
* @return boolean True if the transport is valid, false otherwise.
*/
public static function test($capabilities = array()) {
if (!function_exists('fsockopen')) {
return false;
}
// If needed, check that streams support SSL
if (isset($capabilities['ssl']) && $capabilities['ssl']) {
if (!extension_loaded('openssl') || !function_exists('openssl_x509_parse')) {
return false;
}
// Currently broken, thanks to https://github.com/facebook/hhvm/issues/2156
if (defined('HHVM_VERSION')) {
return false;
}
}
return true;
}
}

103
wp-includes/Requests/Utility/CaseInsensitiveDictionary.php Normal file
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<?php
/**
* Case-insensitive dictionary, suitable for HTTP headers
*
* @package Requests
* @subpackage Utilities
*/
/**
* Case-insensitive dictionary, suitable for HTTP headers
*
* @package Requests
* @subpackage Utilities
*/
class Requests_Utility_CaseInsensitiveDictionary implements ArrayAccess, IteratorAggregate {
/**
* Actual item data
*
* @var array
*/
protected $data = array();
/**
* Creates a case insensitive dictionary.
*
* @param array $data Dictionary/map to convert to case-insensitive
*/
public function __construct(array $data = array()) {
foreach ($data as $key => $value) {
$this->offsetSet($key, $value);
}
}
/**
* Check if the given item exists
*
* @param string $key Item key
* @return boolean Does the item exist?
*/
public function offsetExists($key) {
$key = strtolower($key);
return isset($this->data[$key]);
}
/**
* Get the value for the item
*
* @param string $key Item key
* @return string Item value
*/
public function offsetGet($key) {
$key = strtolower($key);
if (!isset($this->data[$key])) {
return null;
}
return $this->data[$key];
}
/**
* Set the given item
*
* @throws Requests_Exception On attempting to use dictionary as list (`invalidset`)
*
* @param string $key Item name
* @param string $value Item value
*/
public function offsetSet($key, $value) {
if ($key === null) {
throw new Requests_Exception('Object is a dictionary, not a list', 'invalidset');
}
$key = strtolower($key);
$this->data[$key] = $value;
}
/**
* Unset the given header
*
* @param string $key
*/
public function offsetUnset($key) {
unset($this->data[strtolower($key)]);
}
/**
* Get an iterator for the data
*
* @return ArrayIterator
*/
public function getIterator() {
return new ArrayIterator($this->data);
}
/**
* Get the headers as an array
*
* @return array Header data
*/
public function getAll() {
return $this->data;
}
}

45
wp-includes/Requests/Utility/FilteredIterator.php Normal file
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@ -0,0 +1,45 @@
<?php
/**
* Iterator for arrays requiring filtered values
*
* @package Requests
* @subpackage Utilities
*/
/**
* Iterator for arrays requiring filtered values
*
* @package Requests
* @subpackage Utilities
*/
class Requests_Utility_FilteredIterator extends ArrayIterator {
/**
* Callback to run as a filter
*
* @var callable
*/
protected $callback;
/**
* Create a new iterator
*
* @param array $data
* @param callable $callback Callback to be called on each value
*/
public function __construct($data, $callback) {
parent::__construct($data);
$this->callback = $callback;
}
/**
* Get the current item's value after filtering
*
* @return string
*/
public function current() {
$value = parent::current();
$value = call_user_func($this->callback, $value);
return $value;
}
}

211
wp-includes/class-http.php
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@ -7,6 +7,13 @@
* @since 2.7.0
*/
if ( ! class_exists( 'Requests' ) ) {
require( ABSPATH . WPINC . '/class-requests.php' );
Requests::register_autoloader();
Requests::set_certificate_path( ABSPATH . WPINC . '/certificates/ca-bundle.crt' );
}
/**
* Core class used for managing HTTP transports and making HTTP requests.
*
@ -247,8 +254,9 @@ class WP_Http {
return $pre;
if ( function_exists( 'wp_kses_bad_protocol' ) ) {
if ( $r['reject_unsafe_urls'] )
if ( $r['reject_unsafe_urls'] ) {
$url = wp_http_validate_url( $url );
}
if ( $url ) {
$url = wp_kses_bad_protocol( $url, array( 'http', 'https', 'ssl' ) );
}
@ -256,107 +264,152 @@ class WP_Http {
$arrURL = @parse_url( $url );
if ( empty( $url ) || empty( $arrURL['scheme'] ) )
if ( empty( $url ) || empty( $arrURL['scheme'] ) ) {
return new WP_Error('http_request_failed', __('A valid URL was not provided.'));
}
if ( $this->block_request( $url ) )
if ( $this->block_request( $url ) ) {
return new WP_Error( 'http_request_failed', __( 'User has blocked requests through HTTP.' ) );
/*
* Determine if this is a https call and pass that on to the transport functions
* so that we can blacklist the transports that do not support ssl verification
*/
$r['ssl'] = $arrURL['scheme'] == 'https' || $arrURL['scheme'] == 'ssl';
// Determine if this request is to OUR install of WordPress.
$homeURL = parse_url( get_bloginfo( 'url' ) );
$r['local'] = 'localhost' == $arrURL['host'] || ( isset( $homeURL['host'] ) && $homeURL['host'] == $arrURL['host'] );
unset( $homeURL );
/*
* If we are streaming to a file but no filename was given drop it in the WP temp dir
* and pick its name using the basename of the $url.
*/
if ( $r['stream'] && empty( $r['filename'] ) ) {
$r['filename'] = get_temp_dir() . wp_unique_filename( get_temp_dir(), basename( $url ) );
}
/*
* Force some settings if we are streaming to a file and check for existence and perms
* of destination directory.
*/
// If we are streaming to a file but no filename was given drop it in the WP temp dir
// and pick its name using the basename of the $url
if ( $r['stream'] ) {
if ( empty( $r['filename'] ) ) {
$r['filename'] = get_temp_dir() . basename( $url );
}
// Force some settings if we are streaming to a file and check for existence and perms of destination directory
$r['blocking'] = true;
if ( ! wp_is_writable( dirname( $r['filename'] ) ) )
if ( ! wp_is_writable( dirname( $r['filename'] ) ) ) {
return new WP_Error( 'http_request_failed', __( 'Destination directory for file streaming does not exist or is not writable.' ) );
}
}
if ( is_null( $r['headers'] ) )
if ( is_null( $r['headers'] ) ) {
$r['headers'] = array();
}
// WP allows passing in headers as a string, weirdly.
if ( ! is_array( $r['headers'] ) ) {
$processedHeaders = self::processHeaders( $r['headers'], $url );
$processedHeaders = WP_Http::processHeaders( $r['headers'] );
$r['headers'] = $processedHeaders['headers'];
}
if ( isset( $r['headers']['User-Agent'] ) ) {
$r['user-agent'] = $r['headers']['User-Agent'];
unset( $r['headers']['User-Agent'] );
// Setup arguments
$headers = $r['headers'];
$data = $r['body'];
$type = $r['method'];
$options = array(
'timeout' => $r['timeout'],
'useragent' => $r['user-agent'],
'blocking' => $r['blocking'],
);
if ( $r['stream'] ) {
$options['filename'] = $r['filename'];
}
if ( empty( $r['redirection'] ) ) {
$options['follow_redirects'] = false;
}
else {
$options['redirects'] = $r['redirection'];
}
if ( isset( $r['headers']['user-agent'] ) ) {
$r['user-agent'] = $r['headers']['user-agent'];
unset( $r['headers']['user-agent'] );
// Use byte limit, if we can
if ( isset( $r['limit_response_size'] ) ) {
$options['max_bytes'] = $r['limit_response_size'];
}
if ( '1.1' == $r['httpversion'] && !isset( $r['headers']['connection'] ) ) {
$r['headers']['connection'] = 'close';
}
// Construct Cookie: header if any cookies are set.
self::buildCookieHeader( $r );
// Avoid issues where mbstring.func_overload is enabled.
mbstring_binary_safe_encoding();
if ( ! isset( $r['headers']['Accept-Encoding'] ) ) {
if ( $encoding = WP_Http_Encoding::accept_encoding( $url, $r ) )
$r['headers']['Accept-Encoding'] = $encoding;
}
if ( ( ! is_null( $r['body'] ) && '' != $r['body'] ) || 'POST' == $r['method'] || 'PUT' == $r['method'] ) {
if ( is_array( $r['body'] ) || is_object( $r['body'] ) ) {
$r['body'] = http_build_query( $r['body'], null, '&' );
if ( ! isset( $r['headers']['Content-Type'] ) )
$r['headers']['Content-Type'] = 'application/x-www-form-urlencoded; charset=' . get_option( 'blog_charset' );
}
if ( '' === $r['body'] )
$r['body'] = null;
if ( ! isset( $r['headers']['Content-Length'] ) && ! isset( $r['headers']['content-length'] ) )
$r['headers']['Content-Length'] = strlen( $r['body'] );
}
$response = $this->_dispatch_request( $url, $r );
reset_mbstring_encoding();
if ( is_wp_error( $response ) )
return $response;
// Append cookies that were used in this request to the response
// If we've got cookies, use them
if ( ! empty( $r['cookies'] ) ) {
$cookies_set = wp_list_pluck( $response['cookies'], 'name' );
foreach ( $r['cookies'] as $cookie ) {
if ( ! in_array( $cookie->name, $cookies_set ) && $cookie->test( $url ) ) {
$response['cookies'][] = $cookie;
}
}
$options['cookies'] = $r['cookies'];
}
return $response;
// SSL certificate handling
if ( ! $r['sslverify'] ) {
$options['verify'] = false;
}
else {
$options['verify'] = $r['sslcertificates'];
}
/**
* Filter whether SSL should be verified for non-local requests.
*
* @since 2.8.0
*
* @param bool $ssl_verify Whether to verify the SSL connection. Default true.
*/
$options['verify'] = apply_filters( 'https_ssl_verify', $options['verify'] );
try {
$response = Requests::request( $url, $headers, $data, $type, $options );
}
catch ( Requests_Exception $e ) {
$response = new WP_Error( 'http_request_failed', $e->getMessage() );
}
/**
* Fires after an HTTP API response is received and before the response is returned.
*
* @since 2.8.0
*
* @param array|WP_Error $response HTTP response or WP_Error object.
* @param string $context Context under which the hook is fired.
* @param string $class HTTP transport used.
* @param array $args HTTP request arguments.
* @param string $url The request URL.
*/
do_action( 'http_api_debug', $response, 'response', 'Requests', $r, $url );
if ( is_wp_error( $response ) ) {
return $response;
}
if ( ! $r['blocking'] ) {
return array(
'headers' => array(),
'body' => '',
'response' => array(
'code' => false,
'message' => false,
),
'cookies' => array(),
);
}
// Convert the response into an array
$data = new WP_HTTP_Requests_Response( $response, $r['filename'] );
/**
* Filter the HTTP API response immediately before the response is returned.
*
* @since 2.9.0
*
* @param array $data HTTP response.
* @param array $r HTTP request arguments.
* @param string $url The request URL.
*/
return apply_filters( 'http_response', $data, $r, $url );
}
/**
* Match redirect behaviour to browser handling.
*
* Changes 302 redirects from POST to GET to match browser handling. Per
* RFC 7231, user agents can deviate from the strict reading of the
* specification for compatibility purposes.
*
* @param string $location URL to redirect to.
* @param array $headers Headers for the redirect.
* @param array $options Redirect request options.
* @param Requests_Response $original Response object.
*/
public static function browser_redirect_compatibility( $location, $headers, $data, &$options, $original ) {
// Browser compat
if ( $original->status_code === 302 ) {
$options['type'] = Requests::GET;
}
}
/**

976
wp-includes/class-requests.php Normal file
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@ -0,0 +1,976 @@
<?php
/**
* Requests for PHP
*
* Inspired by Requests for Python.
*
* Based on concepts from SimplePie_File, RequestCore and WP_Http.
*
* @package Requests
*/
/**
* Requests for PHP
*
* Inspired by Requests for Python.
*
* Based on concepts from SimplePie_File, RequestCore and WP_Http.
*
* @package Requests
*/
class Requests {
/**
* POST method
*
* @var string
*/
const POST = 'POST';
/**
* PUT method
*
* @var string
*/
const PUT = 'PUT';
/**
* GET method
*
* @var string
*/
const GET = 'GET';
/**
* HEAD method
*
* @var string
*/
const HEAD = 'HEAD';
/**
* DELETE method
*
* @var string
*/
const DELETE = 'DELETE';
/**
* OPTIONS method
*
* @var string
*/
const OPTIONS = 'OPTIONS';
/**
* TRACE method
*
* @var string
*/
const TRACE = 'TRACE';
/**
* PATCH method
*
* @link http://tools.ietf.org/html/rfc5789
* @var string
*/
const PATCH = 'PATCH';
/**
* Default size of buffer size to read streams
*
* @var integer
*/
const BUFFER_SIZE = 1160;
/**
* Current version of Requests
*
* @var string
*/
const VERSION = '1.6';
/**
* Registered transport classes
*
* @var array
*/
protected static $transports = array();
/**
* Selected transport name
*
* Use {@see get_transport()} instead
*
* @var array
*/
public static $transport = array();
/**
* Default certificate path.
*
* @see Requests::get_certificate_path()
* @see Requests::set_certificate_path()
*
* @var string
*/
protected static $certificate_path;
/**
* This is a static class, do not instantiate it
*
* @codeCoverageIgnore
*/
private function __construct() {}
/**
* Autoloader for Requests
*
* Register this with {@see register_autoloader()} if you'd like to avoid
* having to create your own.
*
* (You can also use `spl_autoload_register` directly if you'd prefer.)
*
* @codeCoverageIgnore
*
* @param string $class Class name to load
*/
public static function autoloader($class) {
// Check that the class starts with "Requests"
if (strpos($class, 'Requests') !== 0) {
return;
}
$file = str_replace('_', '/', $class);
if (file_exists(dirname(__FILE__) . '/' . $file . '.php')) {
require_once(dirname(__FILE__) . '/' . $file . '.php');
}
}
/**
* Register the built-in autoloader
*
* @codeCoverageIgnore
*/
public static function register_autoloader() {
spl_autoload_register(array('Requests', 'autoloader'));
}
/**
* Register a transport
*
* @param string $transport Transport class to add, must support the Requests_Transport interface
*/
public static function add_transport($transport) {
if (empty(self::$transports)) {
self::$transports = array(
'Requests_Transport_cURL',
'Requests_Transport_fsockopen',
);
}
self::$transports = array_merge(self::$transports, array($transport));
}
/**
* Get a working transport
*
* @throws Requests_Exception If no valid transport is found (`notransport`)
* @return Requests_Transport
*/
protected static function get_transport($capabilities = array()) {
// Caching code, don't bother testing coverage
// @codeCoverageIgnoreStart
// array of capabilities as a string to be used as an array key
ksort($capabilities);
$cap_string = serialize($capabilities);
// Don't search for a transport if it's already been done for these $capabilities
if (isset(self::$transport[$cap_string]) && self::$transport[$cap_string] !== null) {
return new self::$transport[$cap_string]();
}
// @codeCoverageIgnoreEnd
if (empty(self::$transports)) {
self::$transports = array(
'Requests_Transport_cURL',
'Requests_Transport_fsockopen',
);
}
// Find us a working transport
foreach (self::$transports as $class) {
if (!class_exists($class)) {
continue;
}
$result = call_user_func(array($class, 'test'), $capabilities);
if ($result) {
self::$transport[$cap_string] = $class;
break;
}
}
if (self::$transport[$cap_string] === null) {
throw new Requests_Exception('No working transports found', 'notransport', self::$transports);
}
return new self::$transport[$cap_string]();
}
/**#@+
* @see request()
* @param string $url
* @param array $headers
* @param array $options
* @return Requests_Response
*/
/**
* Send a GET request
*/
public static function get($url, $headers = array(), $options = array()) {
return self::request($url, $headers, null, self::GET, $options);
}
/**
* Send a HEAD request
*/
public static function head($url, $headers = array(), $options = array()) {
return self::request($url, $headers, null, self::HEAD, $options);
}
/**
* Send a DELETE request
*/
public static function delete($url, $headers = array(), $options = array()) {
return self::request($url, $headers, null, self::DELETE, $options);
}
/**
* Send a TRACE request
*/
public static function trace($url, $headers = array(), $options = array()) {
return self::request($url, $headers, null, self::TRACE, $options);
}
/**#@-*/
/**#@+
* @see request()
* @param string $url
* @param array $headers
* @param array $data
* @param array $options
* @return Requests_Response
*/
/**
* Send a POST request
*/
public static function post($url, $headers = array(), $data = array(), $options = array()) {
return self::request($url, $headers, $data, self::POST, $options);
}
/**
* Send a PUT request
*/
public static function put($url, $headers = array(), $data = array(), $options = array()) {
return self::request($url, $headers, $data, self::PUT, $options);
}
/**
* Send an OPTIONS request
*/
public static function options($url, $headers = array(), $data = array(), $options = array()) {
return self::request($url, $headers, $data, self::OPTIONS, $options);
}
/**
* Send a PATCH request
*
* Note: Unlike {@see post} and {@see put}, `$headers` is required, as the
* specification recommends that should send an ETag
*
* @link http://tools.ietf.org/html/rfc5789
*/
public static function patch($url, $headers, $data = array(), $options = array()) {
return self::request($url, $headers, $data, self::PATCH, $options);
}
/**#@-*/
/**
* Main interface for HTTP requests
*
* This method initiates a request and sends it via a transport before
* parsing.
*
* The `$options` parameter takes an associative array with the following
* options:
*
* - `timeout`: How long should we wait for a response?
* (float, seconds with a millisecond precision, default: 10, example: 0.01)
* - `connect_timeout`: How long should we wait while trying to connect?
* (float, seconds with a millisecond precision, default: 10, example: 0.01)
* - `useragent`: Useragent to send to the server
* (string, default: php-requests/$version)
* - `follow_redirects`: Should we follow 3xx redirects?
* (boolean, default: true)
* - `redirects`: How many times should we redirect before erroring?
* (integer, default: 10)
* - `blocking`: Should we block processing on this request?
* (boolean, default: true)
* - `filename`: File to stream the body to instead.
* (string|boolean, default: false)
* - `auth`: Authentication handler or array of user/password details to use
* for Basic authentication
* (Requests_Auth|array|boolean, default: false)
* - `proxy`: Proxy details to use for proxy by-passing and authentication
* (Requests_Proxy|array|boolean, default: false)
* - `max_bytes`: Limit for the response body size.
* (integer|boolean, default: false)
* - `idn`: Enable IDN parsing
* (boolean, default: true)
* - `transport`: Custom transport. Either a class name, or a
* transport object. Defaults to the first working transport from
* {@see getTransport()}
* (string|Requests_Transport, default: {@see getTransport()})
* - `hooks`: Hooks handler.
* (Requests_Hooker, default: new Requests_Hooks())
* - `verify`: Should we verify SSL certificates? Allows passing in a custom
* certificate file as a string. (Using true uses the system-wide root
* certificate store instead, but this may have different behaviour
* across transports.)
* (string|boolean, default: library/Requests/Transport/cacert.pem)
* - `verifyname`: Should we verify the common name in the SSL certificate?
* (boolean: default, true)
* - `data_format`: How should we send the `$data` parameter?
* (string, one of 'query' or 'body', default: 'query' for
* HEAD/GET/DELETE, 'body' for POST/PUT/OPTIONS/PATCH)
*
* @throws Requests_Exception On invalid URLs (`nonhttp`)
*
* @param string $url URL to request
* @param array $headers Extra headers to send with the request
* @param array|null $data Data to send either as a query string for GET/HEAD requests, or in the body for POST requests
* @param string $type HTTP request type (use Requests constants)
* @param array $options Options for the request (see description for more information)
* @return Requests_Response
*/
public static function request($url, $headers = array(), $data = array(), $type = self::GET, $options = array()) {
if (empty($options['type'])) {
$options['type'] = $type;
}
$options = array_merge(self::get_default_options(), $options);
self::set_defaults($url, $headers, $data, $type, $options);
$options['hooks']->dispatch('requests.before_request', array(&$url, &$headers, &$data, &$type, &$options));
if (!empty($options['transport'])) {
$transport = $options['transport'];
if (is_string($options['transport'])) {
$transport = new $transport();
}
}
else {
$need_ssl = (0 === stripos($url, 'https://'));
$capabilities = array('ssl' => $need_ssl);
$transport = self::get_transport($capabilities);
}
$response = $transport->request($url, $headers, $data, $options);
$options['hooks']->dispatch('requests.before_parse', array(&$response, $url, $headers, $data, $type, $options));
return self::parse_response($response, $url, $headers, $data, $options);
}
/**
* Send multiple HTTP requests simultaneously
*
* The `$requests` parameter takes an associative or indexed array of
* request fields. The key of each request can be used to match up the
* request with the returned data, or with the request passed into your
* `multiple.request.complete` callback.
*
* The request fields value is an associative array with the following keys:
*
* - `url`: Request URL Same as the `$url` parameter to
* {@see Requests::request}
* (string, required)
* - `headers`: Associative array of header fields. Same as the `$headers`
* parameter to {@see Requests::request}
* (array, default: `array()`)
* - `data`: Associative array of data fields or a string. Same as the
* `$data` parameter to {@see Requests::request}
* (array|string, default: `array()`)
* - `type`: HTTP request type (use Requests constants). Same as the `$type`
* parameter to {@see Requests::request}
* (string, default: `Requests::GET`)
* - `cookies`: Associative array of cookie name to value, or cookie jar.
* (array|Requests_Cookie_Jar)
*
* If the `$options` parameter is specified, individual requests will
* inherit options from it. This can be used to use a single hooking system,
* or set all the types to `Requests::POST`, for example.
*
* In addition, the `$options` parameter takes the following global options:
*
* - `complete`: A callback for when a request is complete. Takes two
* parameters, a Requests_Response/Requests_Exception reference, and the
* ID from the request array (Note: this can also be overridden on a
* per-request basis, although that's a little silly)
* (callback)
*
* @param array $requests Requests data (see description for more information)
* @param array $options Global and default options (see {@see Requests::request})
* @return array Responses (either Requests_Response or a Requests_Exception object)
*/
public static function request_multiple($requests, $options = array()) {
$options = array_merge(self::get_default_options(true), $options);
if (!empty($options['hooks'])) {
$options['hooks']->register('transport.internal.parse_response', array('Requests', 'parse_multiple'));
if (!empty($options['complete'])) {
$options['hooks']->register('multiple.request.complete', $options['complete']);
}
}
foreach ($requests as $id => &$request) {
if (!isset($request['headers'])) {
$request['headers'] = array();
}
if (!isset($request['data'])) {
$request['data'] = array();
}
if (!isset($request['type'])) {
$request['type'] = self::GET;
}
if (!isset($request['options'])) {
$request['options'] = $options;
$request['options']['type'] = $request['type'];
}
else {
if (empty($request['options']['type'])) {
$request['options']['type'] = $request['type'];
}
$request['options'] = array_merge($options, $request['options']);
}
self::set_defaults($request['url'], $request['headers'], $request['data'], $request['type'], $request['options']);
// Ensure we only hook in once
if ($request['options']['hooks'] !== $options['hooks']) {
$request['options']['hooks']->register('transport.internal.parse_response', array('Requests', 'parse_multiple'));
if (!empty($request['options']['complete'])) {
$request['options']['hooks']->register('multiple.request.complete', $request['options']['complete']);
}
}
}
unset($request);
if (!empty($options['transport'])) {
$transport = $options['transport'];
if (is_string($options['transport'])) {
$transport = new $transport();
}
}
else {
$transport = self::get_transport();
}
$responses = $transport->request_multiple($requests, $options);
foreach ($responses as $id => &$response) {
// If our hook got messed with somehow, ensure we end up with the
// correct response
if (is_string($response)) {
$request = $requests[$id];
self::parse_multiple($response, $request);
$request['options']['hooks']->dispatch('multiple.request.complete', array(&$response, $id));
}
}
return $responses;
}
/**
* Get the default options
*
* @see Requests::request() for values returned by this method
* @param boolean $multirequest Is this a multirequest?
* @return array Default option values
*/
protected static function get_default_options($multirequest = false) {
$defaults = array(
'timeout' => 10,
'connect_timeout' => 10,
'useragent' => 'php-requests/' . self::VERSION,
'protocol_version' => 1.1,
'redirected' => 0,
'redirects' => 10,
'follow_redirects' => true,
'blocking' => true,
'type' => self::GET,
'filename' => false,
'auth' => false,
'proxy' => false,
'cookies' => false,
'max_bytes' => false,
'idn' => true,
'hooks' => null,
'transport' => null,
'verify' => Requests::get_certificate_path(),
'verifyname' => true,
);
if ($multirequest !== false) {
$defaults['complete'] = null;
}
return $defaults;
}
/**
* Get default certificate path.
*
* @return string Default certificate path.
*/
public static function get_certificate_path() {
if ( ! empty( Requests::$certificate_path ) ) {
return Requests::$certificate_path;
}
return dirname(__FILE__) . '/Requests/Transport/cacert.pem';
}
/**
* Set default certificate path.
*
* @param string $path Certificate path, pointing to a PEM file.
*/
public static function set_certificate_path( $path ) {
Requests::$certificate_path = $path;
}
/**
* Set the default values
*
* @param string $url URL to request
* @param array $headers Extra headers to send with the request
* @param array|null $data Data to send either as a query string for GET/HEAD requests, or in the body for POST requests
* @param string $type HTTP request type
* @param array $options Options for the request
* @return array $options
*/
protected static function set_defaults(&$url, &$headers, &$data, &$type, &$options) {
if (!preg_match('/^http(s)?:\/\//i', $url, $matches)) {
throw new Requests_Exception('Only HTTP(S) requests are handled.', 'nonhttp', $url);
}
if (empty($options['hooks'])) {
$options['hooks'] = new Requests_Hooks();
}
if (is_array($options['auth'])) {
$options['auth'] = new Requests_Auth_Basic($options['auth']);
}
if ($options['auth'] !== false) {
$options['auth']->register($options['hooks']);
}
if (!empty($options['proxy'])) {
$options['proxy'] = new Requests_Proxy_HTTP($options['proxy']);
}
if ($options['proxy'] !== false) {
$options['proxy']->register($options['hooks']);
}
if (is_array($options['cookies'])) {
$options['cookies'] = new Requests_Cookie_Jar($options['cookies']);
}
elseif (empty($options['cookies'])) {
$options['cookies'] = new Requests_Cookie_Jar();
}
if ($options['cookies'] !== false) {
$options['cookies']->register($options['hooks']);
}
if ($options['idn'] !== false) {
$iri = new Requests_IRI($url);
$iri->host = Requests_IDNAEncoder::encode($iri->ihost);
$url = $iri->uri;
}
// Massage the type to ensure we support it.
$type = strtoupper($type);
if (!isset($options['data_format'])) {
if (in_array($type, array(self::HEAD, self::GET, self::DELETE))) {
$options['data_format'] = 'query';
}
else {
$options['data_format'] = 'body';
}
}
}
/**
* HTTP response parser
*
* @throws Requests_Exception On missing head/body separator (`requests.no_crlf_separator`)
* @throws Requests_Exception On missing head/body separator (`noversion`)
* @throws Requests_Exception On missing head/body separator (`toomanyredirects`)
*
* @param string $headers Full response text including headers and body
* @param string $url Original request URL
* @param array $req_headers Original $headers array passed to {@link request()}, in case we need to follow redirects
* @param array $req_data Original $data array passed to {@link request()}, in case we need to follow redirects
* @param array $options Original $options array passed to {@link request()}, in case we need to follow redirects
* @return Requests_Response
*/
protected static function parse_response($headers, $url, $req_headers, $req_data, $options) {
$return = new Requests_Response();
if (!$options['blocking']) {
return $return;
}
$return->raw = $headers;
$return->url = $url;
if (!$options['filename']) {
if (($pos = strpos($headers, "\r\n\r\n")) === false) {
// Crap!
throw new Requests_Exception('Missing header/body separator', 'requests.no_crlf_separator');
}
$headers = substr($return->raw, 0, $pos);
$return->body = substr($return->raw, $pos + strlen("\n\r\n\r"));
}
else {
$return->body = '';
}
// Pretend CRLF = LF for compatibility (RFC 2616, section 19.3)
$headers = str_replace("\r\n", "\n", $headers);
// Unfold headers (replace [CRLF] 1*( SP | HT ) with SP) as per RFC 2616 (section 2.2)
$headers = preg_replace('/\n[ \t]/', ' ', $headers);
$headers = explode("\n", $headers);
preg_match('#^HTTP/(1\.\d)[ \t]+(\d+)#i', array_shift($headers), $matches);
if (empty($matches)) {
throw new Requests_Exception('Response could not be parsed', 'noversion', $headers);
}
$return->protocol_version = (float) $matches[1];
$return->status_code = (int) $matches[2];
if ($return->status_code >= 200 && $return->status_code < 300) {
$return->success = true;
}
foreach ($headers as $header) {
list($key, $value) = explode(':', $header, 2);
$value = trim($value);
preg_replace('#(\s+)#i', ' ', $value);
$return->headers[$key] = $value;
}
if (isset($return->headers['transfer-encoding'])) {
$return->body = self::decode_chunked($return->body);
unset($return->headers['transfer-encoding']);
}
if (isset($return->headers['content-encoding'])) {
$return->body = self::decompress($return->body);
}
//fsockopen and cURL compatibility
if (isset($return->headers['connection'])) {
unset($return->headers['connection']);
}
$options['hooks']->dispatch('requests.before_redirect_check', array(&$return, $req_headers, $req_data, $options));
if ($return->is_redirect() && $options['follow_redirects'] === true) {
if (isset($return->headers['location']) && $options['redirected'] < $options['redirects']) {
if ($return->status_code === 303) {
$options['type'] = self::GET;
}
$options['redirected']++;
$location = $return->headers['location'];
if (strpos($location, 'http://') !== 0 && strpos($location, 'https://') !== 0) {
// relative redirect, for compatibility make it absolute
$location = Requests_IRI::absolutize($url, $location);
$location = $location->uri;
}
$hook_args = array(
&$location,
&$req_headers,
&$req_data,
&$options,
$return
);
$options['hooks']->dispatch('requests.before_redirect', $hook_args);
$redirected = self::request($location, $req_headers, $req_data, $options['type'], $options);
$redirected->history[] = $return;
return $redirected;
}
elseif ($options['redirected'] >= $options['redirects']) {
throw new Requests_Exception('Too many redirects', 'toomanyredirects', $return);
}
}
$return->redirects = $options['redirected'];
$options['hooks']->dispatch('requests.after_request', array(&$return, $req_headers, $req_data, $options));
return $return;
}
/**
* Callback for `transport.internal.parse_response`
*
* Internal use only. Converts a raw HTTP response to a Requests_Response
* while still executing a multiple request.
*
* @param string $response Full response text including headers and body (will be overwritten with Response instance)
* @param array $request Request data as passed into {@see Requests::request_multiple()}
* @return null `$response` is either set to a Requests_Response instance, or a Requests_Exception object
*/
public static function parse_multiple(&$response, $request) {
try {
$url = $request['url'];
$headers = $request['headers'];
$data = $request['data'];
$options = $request['options'];
$response = self::parse_response($response, $url, $headers, $data, $options);
}
catch (Requests_Exception $e) {
$response = $e;
}
}
/**
* Decoded a chunked body as per RFC 2616
*
* @see http://tools.ietf.org/html/rfc2616#section-3.6.1
* @param string $data Chunked body
* @return string Decoded body
*/
protected static function decode_chunked($data) {
if (!preg_match('/^([0-9a-f]+)[^\r\n]*\r\n/i', trim($data))) {
return $data;
}
$decoded = '';
$encoded = $data;
while (true) {
$is_chunked = (bool) preg_match('/^([0-9a-f]+)[^\r\n]*\r\n/i', $encoded, $matches);
if (!$is_chunked) {
// Looks like it's not chunked after all
return $data;
}
$length = hexdec(trim($matches[1]));
if ($length === 0) {
// Ignore trailer headers
return $decoded;
}
$chunk_length = strlen($matches[0]);
$decoded .= substr($encoded, $chunk_length, $length);
$encoded = substr($encoded, $chunk_length + $length + 2);
if (trim($encoded) === '0' || empty($encoded)) {
return $decoded;
}
}
// We'll never actually get down here
// @codeCoverageIgnoreStart
}
// @codeCoverageIgnoreEnd
/**
* Convert a key => value array to a 'key: value' array for headers
*
* @param array $array Dictionary of header values
* @return array List of headers
*/
public static function flatten($array) {
$return = array();
foreach ($array as $key => $value) {
$return[] = sprintf('%s: %s', $key, $value);
}
return $return;
}
/**
* Convert a key => value array to a 'key: value' array for headers
*
* @codeCoverageIgnore
* @deprecated Misspelling of {@see Requests::flatten}
* @param array $array Dictionary of header values
* @return array List of headers
*/
public static function flattern($array) {
return self::flatten($array);
}
/**
* Decompress an encoded body
*
* Implements gzip, compress and deflate. Guesses which it is by attempting
* to decode.
*
* @param string $data Compressed data in one of the above formats
* @return string Decompressed string
*/
public static function decompress($data) {
if (substr($data, 0, 2) !== "\x1f\x8b" && substr($data, 0, 2) !== "\x78\x9c") {
// Not actually compressed. Probably cURL ruining this for us.
return $data;
}
if (function_exists('gzdecode') && ($decoded = @gzdecode($data)) !== false) {
return $decoded;
}
elseif (function_exists('gzinflate') && ($decoded = @gzinflate($data)) !== false) {
return $decoded;
}
elseif (($decoded = self::compatible_gzinflate($data)) !== false) {
return $decoded;
}
elseif (function_exists('gzuncompress') && ($decoded = @gzuncompress($data)) !== false) {
return $decoded;
}
return $data;
}
/**
* Decompression of deflated string while staying compatible with the majority of servers.
*
* Certain Servers will return deflated data with headers which PHP's gzinflate()
* function cannot handle out of the box. The following function has been created from
* various snippets on the gzinflate() PHP documentation.
*
* Warning: Magic numbers within. Due to the potential different formats that the compressed
* data may be returned in, some "magic offsets" are needed to ensure proper decompression
* takes place. For a simple progmatic way to determine the magic offset in use, see:
* http://core.trac.wordpress.org/ticket/18273
*
* @since 2.8.1
* @link http://core.trac.wordpress.org/ticket/18273
* @link http://au2.php.net/manual/en/function.gzinflate.php#70875
* @link http://au2.php.net/manual/en/function.gzinflate.php#77336
*
* @param string $gzData String to decompress.
* @return string|bool False on failure.
*/
public static function compatible_gzinflate($gzData) {
// Compressed data might contain a full zlib header, if so strip it for
// gzinflate()
if (substr($gzData, 0, 3) == "\x1f\x8b\x08") {
$i = 10;
$flg = ord(substr($gzData, 3, 1));
if ($flg > 0) {
if ($flg & 4) {
list($xlen) = unpack('v', substr($gzData, $i, 2));
$i = $i + 2 + $xlen;
}
if ($flg & 8) {
$i = strpos($gzData, "\0", $i) + 1;
}
if ($flg & 16) {
$i = strpos($gzData, "\0", $i) + 1;
}
if ($flg & 2) {
$i = $i + 2;
}
}
$decompressed = self::compatible_gzinflate(substr($gzData, $i));
if (false !== $decompressed) {
return $decompressed;
}
}
// If the data is Huffman Encoded, we must first strip the leading 2
// byte Huffman marker for gzinflate()
// The response is Huffman coded by many compressors such as
// java.util.zip.Deflater, Ruby’s Zlib::Deflate, and .NET's
// System.IO.Compression.DeflateStream.
//
// See http://decompres.blogspot.com/ for a quick explanation of this
// data type
$huffman_encoded = false;
// low nibble of first byte should be 0x08
list(, $first_nibble) = unpack('h', $gzData);
// First 2 bytes should be divisible by 0x1F
list(, $first_two_bytes) = unpack('n', $gzData);
if (0x08 == $first_nibble && 0 == ($first_two_bytes % 0x1F)) {
$huffman_encoded = true;
}
if ($huffman_encoded) {
if (false !== ($decompressed = @gzinflate(substr($gzData, 2)))) {
return $decompressed;
}
}
if ("\x50\x4b\x03\x04" == substr($gzData, 0, 4)) {
// ZIP file format header
// Offset 6: 2 bytes, General-purpose field
// Offset 26: 2 bytes, filename length
// Offset 28: 2 bytes, optional field length
// Offset 30: Filename field, followed by optional field, followed
// immediately by data
list(, $general_purpose_flag) = unpack('v', substr($gzData, 6, 2));
// If the file has been compressed on the fly, 0x08 bit is set of
// the general purpose field. We can use this to differentiate
// between a compressed document, and a ZIP file
$zip_compressed_on_the_fly = (0x08 == (0x08 & $general_purpose_flag));
if (!$zip_compressed_on_the_fly) {
// Don't attempt to decode a compressed zip file
return $gzData;
}
// Determine the first byte of data, based on the above ZIP header
// offsets:
$first_file_start = array_sum(unpack('v2', substr($gzData, 26, 4)));
if (false !== ($decompressed = @gzinflate(substr($gzData, 30 + $first_file_start)))) {
return $decompressed;
}
return false;
}
// Finally fall back to straight gzinflate
if (false !== ($decompressed = @gzinflate($gzData))) {
return $decompressed;
}
// Fallback for all above failing, not expected, but included for
// debugging and preventing regressions and to track stats
if (false !== ($decompressed = @gzinflate(substr($gzData, 2)))) {
return $decompressed;
}
return false;
}
public static function match_domain($host, $reference) {
// Check for a direct match
if ($host === $reference) {
return true;
}
// Calculate the valid wildcard match if the host is not an IP address
// Also validates that the host has 3 parts or more, as per Firefox's
// ruleset.
$parts = explode('.', $host);
if (ip2long($host) === false && count($parts) >= 3) {
$parts[0] = '*';
$wildcard = implode('.', $parts);
if ($wildcard === $reference) {
return true;
}
}
return false;
}
}

229
wp-includes/class-wp-http-requests-response.php Normal file
View File

@ -0,0 +1,229 @@
<?php
/**
* Wrapper object for a Requests_Response for compatibility.
*
* @package WordPress
* @subpackage HTTP
* @since 4.6.0
*/
class WP_HTTP_Requests_Response extends WP_HTTP_Response implements ArrayAccess {
/**
* Requests Response object.
*
* @var Requests_Response
*/
protected $response;
/**
* Filename the response was saved to.
*
* @var string|null
*/
protected $filename;
/**
* Constructor.
*/
public function __construct( Requests_Response $response, $filename = '' ) {
$this->response = $response;
$this->filename = $filename;
}
/**
* Get the response object for the request.
*
* @return Requests_Response
*/
public function get_response_object() {
return $this->response;
}
/**
* Retrieves headers associated with the response.
*
* @return array Map of header name to header value.
*/
public function get_headers() {
// Ensure headers remain case-insensitive
$converted = new Requests_Utility_CaseInsensitiveDictionary();
foreach ( $this->response->headers->getAll() as $key => $value ) {
if ( count( $value ) === 1 ) {
$converted[ $key ] = $value[0];
}
else {
$converted[ $key ] = $value;
}
}
return $converted;
}
/**
* Sets all header values.
*
* @param array $headers Map of header name to header value.
*/
public function set_headers( $headers ) {
$this->response->headers = new Requests_Response_Headers( $headers );
}
/**
* Sets a single HTTP header.
*
* @param string $key Header name.
* @param string $value Header value.
* @param bool $replace Optional. Whether to replace an existing header of the same name.
* Default true.
*/
public function header( $key, $value, $replace = true ) {
if ( $replace ) {
unset( $this->response->headers[ $key ] );
}
$this->response->headers[ $key ] = $value;
}
/**
* Retrieves the HTTP return code for the response.
*
* @return int The 3-digit HTTP status code.
*/
public function get_status() {
return $this->response->status_code;
}
/**
* Sets the 3-digit HTTP status code.
*
* @param int $code HTTP status.
*/
public function set_status( $code ) {
$this->response->status_code = absint( $code );
}
/**
* Retrieves the response data.
*
* @return mixed Response data.
*/
public function get_data() {
return $this->response->body;
}
/**
* Sets the response data.
*
* @param mixed $data Response data.
*/
public function set_data( $data ) {
$this->response->body = $data;
}
/**
* Get cookies from the response.
*
* @return WP_HTTP_Cookie[] List of cookie objects.
*/
public function get_cookies() {
$cookies = array();
foreach ( $this->response->cookies as $cookie ) {
$cookies[] = new WP_Http_Cookie( array(
'name' => $cookie->name,
'value' => urldecode( $cookie->value ),
'expires' => $cookie->attributes['expires'],
'path' => $cookie->attributes['path'],
'domain' => $cookie->attributes['domain'],
));
}
return $cookies;
}
/**
* Check if an ArrayAccess offset exists.
*
* This is for backwards compatibility for array access.
*
* @param string|int $key Array offset.
* @return bool True if the offset exists, false otherwise.
*/
public function offsetExists( $key ) {
$allowed = array( 'headers', 'body', 'response', 'cookies', 'filename' );
return in_array( $key, $allowed );
}
/**
* Get an ArrayAccess value.
*
* This is for backwards compatibility for array access.
*
* @param string|int $key Array offset to get.
* @return mixed Value if the key is a valid offset, null if invalid.
*/
public function offsetGet( $key ) {
switch ( $key ) {
case 'headers':
return $this->get_headers();
case 'body':
return $this->get_data();
case 'response':
return array(
'code' => $this->get_status(),
'message' => get_status_header_desc( $this->get_status() ),
);
case 'cookies':
return $this->get_cookies();
case 'filename':
return $this->filename;
}
return null;
}
/**
* Set an ArrayAccess value.
*
* This is for backwards compatibility for array access.
*
* @param string|int $key Array offset to set.
* @param mixed $value Value to set.
*/
public function offsetSet( $key, $value ) {
switch ( $key ) {
case 'headers':
$this->set_headers( $value );
break;
case 'body':
$this->set_data( $value );
break;
case 'response':
if ( isset( $value['code'] ) ) {
$this->set_status( $value['code'] );
}
break;
case 'filename':
$this->filename = $value;
break;
}
}
/**
* Unset an ArrayAccess value.
*
* This is for backwards compatibility for array access.
*
* @param string|int $key Array offset to remove.
*/
public function offsetUnset( $key ) {
$this->offsetSet( $key, null );
}
}

3
wp-includes/default-filters.php
View File

@ -206,7 +206,8 @@ add_filter( 'pingback_ping_source_uri', 'pingback_ping_source_uri' );
add_filter( 'xmlrpc_pingback_error', 'xmlrpc_pingback_error' );
add_filter( 'title_save_pre', 'trim' );
add_filter( 'http_request_host_is_external', 'allowed_http_request_hosts', 10, 2 );
add_filter( 'http_request_host_is_external', 'allowed_http_request_hosts', 10, 2 );
add_action( 'requests-requests.before_redirect', array( 'WP_Http', 'browser_redirect_compatibility' ), 10, 5 );
// REST API filters.
add_action( 'xmlrpc_rsd_apis', 'rest_output_rsd' );

9
wp-includes/http.php
View File

@ -213,8 +213,9 @@ function wp_remote_head($url, $args = array()) {
* @return array The headers of the response. Empty array if incorrect parameter given.
*/
function wp_remote_retrieve_headers( $response ) {
if ( is_wp_error($response) || ! isset($response['headers']) || ! is_array($response['headers']))
if ( is_wp_error( $response ) || ! isset( $response['headers'] ) ) {
return array();
}
return $response['headers'];
}
@ -229,11 +230,13 @@ function wp_remote_retrieve_headers( $response ) {
* @return string The header value. Empty string on if incorrect parameter given, or if the header doesn't exist.
*/
function wp_remote_retrieve_header( $response, $header ) {
if ( is_wp_error($response) || ! isset($response['headers']) || ! is_array($response['headers']))
if ( is_wp_error( $response ) || ! isset( $response['headers'] ) ) {
return '';
}
if ( array_key_exists($header, $response['headers']) )
if ( isset( $response['headers'][ $header ] ) ) {
return $response['headers'][$header];
}
return '';
}

2
wp-includes/version.php
View File

@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '4.6-alpha-37427';
$wp_version = '4.6-alpha-37428';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.

1
wp-settings.php
View File

@ -183,6 +183,7 @@ require( ABSPATH . WPINC . '/class-wp-http-proxy.php' );
require( ABSPATH . WPINC . '/class-wp-http-cookie.php' );
require( ABSPATH . WPINC . '/class-wp-http-encoding.php' );
require( ABSPATH . WPINC . '/class-wp-http-response.php' );
require( ABSPATH . WPINC . '/class-wp-http-requests-response.php' );
require( ABSPATH . WPINC . '/widgets.php' );
require( ABSPATH . WPINC . '/class-wp-widget.php' );
require( ABSPATH . WPINC . '/class-wp-widget-factory.php' );