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Press This: Rewrite WP_Press_This::fetch_source_html() to utilise the HTTP API better without the need for a local temporary file.

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This reverts [33061] but keeps it's custom UA string.

See #32864

Built from https://develop.svn.wordpress.org/trunk@33062


git-svn-id: http://core.svn.wordpress.org/trunk@33033 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Dion Hulse 2015-07-03 12:01:25 +00:00
parent fc8c36eb97
commit ceaec85751
2 changed files with 38 additions and 59 deletions
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95
wp-admin/includes/class-wp-press-this.php
View File

@ -256,46 +256,46 @@ class WP_Press_This {
* @return string Source's HTML sanitized markup
*/
public function fetch_source_html( $url ) {
// Download source page to tmp file.
$source_tmp_file = ( ! empty( $url ) ) ? download_url( $url, 30 ) : '';
$source_content = '';
global $wp_version;
if ( ! is_wp_error( $source_tmp_file ) && file_exists( $source_tmp_file ) ) {
// Get the content of the source page from the tmp file..
$source_content = wp_kses(
@file_get_contents( $source_tmp_file ),
array(
'img' => array(
'src' => array(),
'width' => array(),
'height' => array(),
),
'iframe' => array(
'src' => array(),
),
'link' => array(
'rel' => array(),
'itemprop' => array(),
'href' => array(),
),
'meta' => array(
'property' => array(),
'name' => array(),
'content' => array(),
)
)
);
// All done with backward compatibility. Let's do some cleanup, for good measure :)
unlink( $source_tmp_file );
} else if ( is_wp_error( $source_tmp_file ) ) {
$source_content = new WP_Error( 'upload-error', sprintf( __( 'ERROR: %s' ), sprintf( __( 'Could not download the source URL (native error: %s).' ), $source_tmp_file->get_error_message() ) ) );
} else if ( ! file_exists( $source_tmp_file ) ) {
$source_content = new WP_Error( 'no-local-file', sprintf( __( 'ERROR: %s' ), __( 'Could not save or locate the temporary download file for the source URL.' ) ) );
if ( empty( $url ) ) {
return new WP_Error( 'invalid-url', __( 'A valid URL was not provided.' ) );
}
$remote_url = wp_safe_remote_get( $url, array(
'timeout' => 30,
// Use an explicit user-agent for Press This
'user-agent' => 'Press This (WordPress/' . $wp_version . '); ' . get_bloginfo( 'url' )
) );
if ( is_wp_error( $remote_url ) ) {
return $remote_url;
}
$useful_html_elements = array(
'img' => array(
'src' => true,
'width' => true,
'height' => true,
),
'iframe' => array(
'src' => true,
),
'link' => array(
'rel' => true,
'itemprop' => true,
'href' => true,
),
'meta' => array(
'property' => true,
'name' => true,
'content' => true,
)
);
$source_content = wp_remote_retrieve_body( $remote_url );
$source_content = wp_kses( $source_content, $useful_html_elements );
return $source_content;
}
@ -1167,24 +1167,6 @@ class WP_Press_This {
return $content;
}
/**
* Sets the user agent used for Press This HTTP requests.
*
* @since 4.3.0
* @access public
*
* @global string $wp_version
*
* @return string User agent.
*/
public function ua_string() {
global $wp_version;
$user_agent = 'Press This (WordPress/' . $wp_version . '); ' . get_bloginfo( 'url' );
return $user_agent;
}
/**
* Serves the app's base HTML, which in turns calls the load script.
*
@ -1198,9 +1180,6 @@ class WP_Press_This {
public function html() {
global $wp_locale, $wp_version;
// Set explicit user-agent for the $data outbound HTTP requests.
add_filter( 'http_headers_useragent', array( $this, 'ua_string' ) );
// Get data, new (POST) and old (GET).
$data = $this->merge_or_fetch_data();

2
wp-includes/version.php
View File

@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '4.3-beta1-33061';
$wp_version = '4.3-beta1-33062';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.