Merge pull request from GHSA-48mj-p7x2-5jfm

* Move web_server auth to web_server_base

* Fix

* Fix

* Add middleware system
This commit is contained in:
Otto Winter 2021-09-28 02:53:38 +02:00 committed by GitHub
parent 5596751c2c
commit be965a60eb
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5 changed files with 81 additions and 25 deletions

View File

@ -34,8 +34,8 @@ CONFIG_SCHEMA = cv.Schema(
cv.Optional(CONF_JS_INCLUDE): cv.file_,
cv.Optional(CONF_AUTH): cv.Schema(
{
cv.Required(CONF_USERNAME): cv.string_strict,
cv.Required(CONF_PASSWORD): cv.string_strict,
cv.Required(CONF_USERNAME): cv.All(cv.string_strict, cv.Length(min=1)),
cv.Required(CONF_PASSWORD): cv.All(cv.string_strict, cv.Length(min=1)),
}
),
cv.GenerateID(CONF_WEB_SERVER_BASE_ID): cv.use_id(
@ -57,8 +57,8 @@ async def to_code(config):
cg.add(var.set_css_url(config[CONF_CSS_URL]))
cg.add(var.set_js_url(config[CONF_JS_URL]))
if CONF_AUTH in config:
cg.add(var.set_username(config[CONF_AUTH][CONF_USERNAME]))
cg.add(var.set_password(config[CONF_AUTH][CONF_PASSWORD]))
cg.add(paren.set_auth_username(config[CONF_AUTH][CONF_USERNAME]))
cg.add(paren.set_auth_password(config[CONF_AUTH][CONF_PASSWORD]))
if CONF_CSS_INCLUDE in config:
cg.add_define("WEBSERVER_CSS_INCLUDE")
path = CORE.relative_config_path(config[CONF_CSS_INCLUDE])

View File

@ -158,9 +158,6 @@ void WebServer::setup() {
void WebServer::dump_config() {
ESP_LOGCONFIG(TAG, "Web Server:");
ESP_LOGCONFIG(TAG, " Address: %s:%u", network::get_use_address().c_str(), this->base_->get_port());
if (this->using_auth()) {
ESP_LOGCONFIG(TAG, " Basic authentication enabled");
}
}
float WebServer::get_setup_priority() const { return setup_priority::WIFI - 1.0f; }
@ -764,10 +761,6 @@ bool WebServer::canHandle(AsyncWebServerRequest *request) {
return false;
}
void WebServer::handleRequest(AsyncWebServerRequest *request) {
if (this->using_auth() && !request->authenticate(this->username_, this->password_)) {
return request->requestAuthentication();
}
if (request->url() == "/") {
this->handle_index_request(request);
return;

View File

@ -32,10 +32,6 @@ class WebServer : public Controller, public Component, public AsyncWebHandler {
public:
WebServer(web_server_base::WebServerBase *base) : base_(base) {}
void set_username(const char *username) { username_ = username; }
void set_password(const char *password) { password_ = password; }
/** Set the URL to the CSS <link> that's sent to each client. Defaults to
* https://esphome.io/_static/webserver-v1.min.css
*
@ -85,8 +81,6 @@ class WebServer : public Controller, public Component, public AsyncWebHandler {
void handle_js_request(AsyncWebServerRequest *request);
#endif
bool using_auth() { return username_ != nullptr && password_ != nullptr; }
#ifdef USE_SENSOR
void on_sensor_update(sensor::Sensor *obj, float state) override;
/// Handle a sensor request under '/sensor/<id>'.
@ -184,8 +178,6 @@ class WebServer : public Controller, public Component, public AsyncWebHandler {
protected:
web_server_base::WebServerBase *base_;
AsyncEventSource events_{"/events"};
const char *username_{nullptr};
const char *password_{nullptr};
const char *css_url_{nullptr};
const char *css_include_{nullptr};
const char *js_url_{nullptr};

View File

@ -17,6 +17,17 @@ namespace web_server_base {
static const char *const TAG = "web_server_base";
void WebServerBase::add_handler(AsyncWebHandler *handler) {
// remove all handlers
if (!credentials_.username.empty()) {
handler = new internal::AuthMiddlewareHandler(handler, &credentials_);
}
this->handlers_.push_back(handler);
if (this->server_ != nullptr)
this->server_->addHandler(handler);
}
void report_ota_error() {
StreamString ss;
Update.printError(ss);

View File

@ -10,6 +10,68 @@
namespace esphome {
namespace web_server_base {
namespace internal {
class MiddlewareHandler : public AsyncWebHandler {
public:
MiddlewareHandler(AsyncWebHandler *next) : next_(next) {}
bool canHandle(AsyncWebServerRequest *request) override { return next_->canHandle(request); }
void handleRequest(AsyncWebServerRequest *request) override { next_->handleRequest(request); }
void handleUpload(AsyncWebServerRequest *request, const String &filename, size_t index, uint8_t *data, size_t len,
bool final) override {
next_->handleUpload(request, filename, index, data, len, final);
}
void handleBody(AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total) override {
next_->handleBody(request, data, len, index, total);
}
bool isRequestHandlerTrivial() override { return next_->isRequestHandlerTrivial(); }
protected:
AsyncWebHandler *next_;
};
struct Credentials {
std::string username;
std::string password;
};
class AuthMiddlewareHandler : public MiddlewareHandler {
public:
AuthMiddlewareHandler(AsyncWebHandler *next, Credentials *credentials)
: MiddlewareHandler(next), credentials_(credentials) {}
bool check_auth(AsyncWebServerRequest *request) {
bool success = request->authenticate(credentials_->username.c_str(), credentials_->password.c_str());
if (!success) {
request->requestAuthentication();
}
return success;
}
void handleRequest(AsyncWebServerRequest *request) override {
if (!check_auth(request))
return;
MiddlewareHandler::handleRequest(request);
}
void handleUpload(AsyncWebServerRequest *request, const String &filename, size_t index, uint8_t *data, size_t len,
bool final) override {
if (!check_auth(request))
return;
MiddlewareHandler::handleUpload(request, filename, index, data, len, final);
}
void handleBody(AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total) override {
if (!check_auth(request))
return;
MiddlewareHandler::handleBody(request, data, len, index, total);
}
protected:
Credentials *credentials_;
};
} // namespace internal
class WebServerBase : public Component {
public:
void init() {
@ -34,13 +96,10 @@ class WebServerBase : public Component {
std::shared_ptr<AsyncWebServer> get_server() const { return server_; }
float get_setup_priority() const override;
void add_handler(AsyncWebHandler *handler) {
// remove all handlers
void set_auth_username(std::string auth_username) { credentials_.username = auth_username; }
void set_auth_password(std::string auth_password) { credentials_.password = auth_password; }
this->handlers_.push_back(handler);
if (this->server_ != nullptr)
this->server_->addHandler(handler);
}
void add_handler(AsyncWebHandler *handler);
void add_ota_handler();
@ -54,6 +113,7 @@ class WebServerBase : public Component {
uint16_t port_{80};
std::shared_ptr<AsyncWebServer> server_{nullptr};
std::vector<AsyncWebHandler *> handlers_;
internal::Credentials credentials_;
};
class OTARequestHandler : public AsyncWebHandler {