+++ /dev/null
-<?php
-/**
- * @defgroup HTTP HTTP
- */
-
-/**
- * Various HTTP related functions
- * @ingroup HTTP
- */
-class Http {
- static $httpEngine = false;
-
- /**
- * Perform an HTTP request
- *
- * @param $method String: HTTP method. Usually GET/POST
- * @param $url String: full URL to act on
- * @param $options Array: options to pass to MWHttpRequest object.
- * Possible keys for the array:
- * - timeout Timeout length in seconds
- * - postData An array of key-value pairs or a url-encoded form data
- * - proxy The proxy to use.
- * Will use $wgHTTPProxy (if set) otherwise.
- * - noProxy Override $wgHTTPProxy (if set) and don't use any proxy at all.
- * - sslVerifyHost (curl only) Verify hostname against certificate
- * - sslVerifyCert (curl only) Verify SSL certificate
- * - caInfo (curl only) Provide CA information
- * - maxRedirects Maximum number of redirects to follow (defaults to 5)
- * - followRedirects Whether to follow redirects (defaults to false).
- * Note: this should only be used when the target URL is trusted,
- * to avoid attacks on intranet services accessible by HTTP.
- * @return Mixed: (bool)false on failure or a string on success
- */
- public static function request( $method, $url, $options = array() ) {
- $url = wfExpandUrl( $url );
- wfDebug( "HTTP: $method: $url\n" );
- $options['method'] = strtoupper( $method );
-
- if ( !isset( $options['timeout'] ) ) {
- $options['timeout'] = 'default';
- }
-
- $req = MWHttpRequest::factory( $url, $options );
- $status = $req->execute();
-
- if ( $status->isOK() ) {
- return $req->getContent();
- } else {
- return false;
- }
- }
-
- /**
- * Simple wrapper for Http::request( 'GET' )
- * @see Http::request()
- */
- public static function get( $url, $timeout = 'default', $options = array() ) {
- $options['timeout'] = $timeout;
- return Http::request( 'GET', $url, $options );
- }
-
- /**
- * Simple wrapper for Http::request( 'POST' )
- * @see Http::request()
- */
- public static function post( $url, $options = array() ) {
- return Http::request( 'POST', $url, $options );
- }
-
- /**
- * Check if the URL can be served by localhost
- *
- * @param $url String: full url to check
- * @return Boolean
- */
- public static function isLocalURL( $url ) {
- global $wgCommandLineMode, $wgConf;
-
- if ( $wgCommandLineMode ) {
- return false;
- }
-
- // Extract host part
- $matches = array();
- if ( preg_match( '!^http://([\w.-]+)[/:].*$!', $url, $matches ) ) {
- $host = $matches[1];
- // Split up dotwise
- $domainParts = explode( '.', $host );
- // Check if this domain or any superdomain is listed in $wgConf as a local virtual host
- $domainParts = array_reverse( $domainParts );
-
- for ( $i = 0; $i < count( $domainParts ); $i++ ) {
- $domainPart = $domainParts[$i];
- if ( $i == 0 ) {
- $domain = $domainPart;
- } else {
- $domain = $domainPart . '.' . $domain;
- }
-
- if ( $wgConf->isLocalVHost( $domain ) ) {
- return true;
- }
- }
- }
-
- return false;
- }
-
- /**
- * A standard user-agent we can use for external requests.
- * @return String
- */
- public static function userAgent() {
- global $wgVersion;
- return "MediaWiki/$wgVersion";
- }
-
- /**
- * Checks that the given URI is a valid one. Hardcoding the
- * protocols, because we only want protocols that both cURL
- * and php support.
- *
- * @fixme this is wildly inaccurate and fails to actually check most stuff
- *
- * @param $uri Mixed: URI to check for validity
- * @returns Boolean
- */
- public static function isValidURI( $uri ) {
- return preg_match(
- '/^https?:\/\/[^\/\s]\S*$/D',
- $uri
- );
- }
-}
-
-/**
- * This wrapper class will call out to curl (if available) or fallback
- * to regular PHP if necessary for handling internal HTTP requests.
- *
- * Renamed from HttpRequest to MWHttpRequst to avoid conflict with
- * php's HTTP extension.
- */
-class MWHttpRequest {
- protected $content;
- protected $timeout = 'default';
- protected $headersOnly = null;
- protected $postData = null;
- protected $proxy = null;
- protected $noProxy = false;
- protected $sslVerifyHost = true;
- protected $sslVerifyCert = true;
- protected $caInfo = null;
- protected $method = "GET";
- protected $reqHeaders = array();
- protected $url;
- protected $parsedUrl;
- protected $callback;
- protected $maxRedirects = 5;
- protected $followRedirects = false;
-
- protected $cookieJar;
-
- protected $headerList = array();
- protected $respVersion = "0.9";
- protected $respStatus = "200 Ok";
- protected $respHeaders = array();
-
- public $status;
-
- /**
- * @param $url String: url to use
- * @param $options Array: (optional) extra params to pass (see Http::request())
- */
- function __construct( $url, $options = array() ) {
- global $wgHTTPTimeout;
-
- $this->url = $url;
- $this->parsedUrl = parse_url( $url );
-
- if ( !Http::isValidURI( $this->url ) ) {
- $this->status = Status::newFatal( 'http-invalid-url' );
- } else {
- $this->status = Status::newGood( 100 ); // continue
- }
-
- if ( isset( $options['timeout'] ) && $options['timeout'] != 'default' ) {
- $this->timeout = $options['timeout'];
- } else {
- $this->timeout = $wgHTTPTimeout;
- }
-
- $members = array( "postData", "proxy", "noProxy", "sslVerifyHost", "caInfo",
- "method", "followRedirects", "maxRedirects", "sslVerifyCert" );
-
- foreach ( $members as $o ) {
- if ( isset( $options[$o] ) ) {
- $this->$o = $options[$o];
- }
- }
- }
-
- /**
- * Simple function to test if we can make any sort of requests at all, using
- * cURL or fopen()
- * @return bool
- */
- public static function canMakeRequests() {
- return function_exists( 'curl_init' ) || wfIniGetBool( 'allow_url_fopen' );
- }
-
- /**
- * Generate a new request object
- * @see MWHttpRequest::__construct
- */
- public static function factory( $url, $options = null ) {
- if ( !Http::$httpEngine ) {
- Http::$httpEngine = function_exists( 'curl_init' ) ? 'curl' : 'php';
- } elseif ( Http::$httpEngine == 'curl' && !function_exists( 'curl_init' ) ) {
- throw new MWException( __METHOD__ . ': curl (http://php.net/curl) is not installed, but' .
- ' Http::$httpEngine is set to "curl"' );
- }
-
- switch( Http::$httpEngine ) {
- case 'curl':
- return new CurlHttpRequest( $url, $options );
- case 'php':
- if ( !wfIniGetBool( 'allow_url_fopen' ) ) {
- throw new MWException( __METHOD__ . ': allow_url_fopen needs to be enabled for pure PHP' .
- ' http requests to work. If possible, curl should be used instead. See http://php.net/curl.' );
- }
- return new PhpHttpRequest( $url, $options );
- default:
- throw new MWException( __METHOD__ . ': The setting of Http::$httpEngine is not valid.' );
- }
- }
-
- /**
- * Get the body, or content, of the response to the request
- *
- * @return String
- */
- public function getContent() {
- return $this->content;
- }
-
- /**
- * Set the parameters of the request
-
- * @param $args Array
- * @todo overload the args param
- */
- public function setData( $args ) {
- $this->postData = $args;
- }
-
- /**
- * Take care of setting up the proxy
- * (override in subclass)
- *
- * @return String
- */
- public function proxySetup() {
- global $wgHTTPProxy;
-
- if ( $this->proxy ) {
- return;
- }
-
- if ( Http::isLocalURL( $this->url ) ) {
- $this->proxy = 'http://localhost:80/';
- } elseif ( $wgHTTPProxy ) {
- $this->proxy = $wgHTTPProxy ;
- } elseif ( getenv( "http_proxy" ) ) {
- $this->proxy = getenv( "http_proxy" );
- }
- }
-
- /**
- * Set the refererer header
- */
- public function setReferer( $url ) {
- $this->setHeader( 'Referer', $url );
- }
-
- /**
- * Set the user agent
- */
- public function setUserAgent( $UA ) {
- $this->setHeader( 'User-Agent', $UA );
- }
-
- /**
- * Set an arbitrary header
- */
- public function setHeader( $name, $value ) {
- // I feel like I should normalize the case here...
- $this->reqHeaders[$name] = $value;
- }
-
- /**
- * Get an array of the headers
- */
- public function getHeaderList() {
- $list = array();
-
- if ( $this->cookieJar ) {
- $this->reqHeaders['Cookie'] =
- $this->cookieJar->serializeToHttpRequest(
- $this->parsedUrl['path'],
- $this->parsedUrl['host']
- );
- }
-
- foreach ( $this->reqHeaders as $name => $value ) {
- $list[] = "$name: $value";
- }
-
- return $list;
- }
-
- /**
- * Set a read callback to accept data read from the HTTP request.
- * By default, data is appended to an internal buffer which can be
- * retrieved through $req->getContent().
- *
- * To handle data as it comes in -- especially for large files that
- * would not fit in memory -- you can instead set your own callback,
- * in the form function($resource, $buffer) where the first parameter
- * is the low-level resource being read (implementation specific),
- * and the second parameter is the data buffer.
- *
- * You MUST return the number of bytes handled in the buffer; if fewer
- * bytes are reported handled than were passed to you, the HTTP fetch
- * will be aborted.
- *
- * @param $callback Callback
- */
- public function setCallback( $callback ) {
- if ( !is_callable( $callback ) ) {
- throw new MWException( 'Invalid MwHttpRequest callback' );
- }
- $this->callback = $callback;
- }
-
- /**
- * A generic callback to read the body of the response from a remote
- * server.
- *
- * @param $fh handle
- * @param $content String
- */
- public function read( $fh, $content ) {
- $this->content .= $content;
- return strlen( $content );
- }
-
- /**
- * Take care of whatever is necessary to perform the URI request.
- *
- * @return Status
- */
- public function execute() {
- global $wgTitle;
-
- $this->content = "";
-
- if ( strtoupper( $this->method ) == "HEAD" ) {
- $this->headersOnly = true;
- }
-
- if ( is_array( $this->postData ) ) {
- $this->postData = wfArrayToCGI( $this->postData );
- }
-
- if ( is_object( $wgTitle ) && !isset( $this->reqHeaders['Referer'] ) ) {
- $this->setReferer( $wgTitle->getFullURL() );
- }
-
- if ( !$this->noProxy ) {
- $this->proxySetup();
- }
-
- if ( !$this->callback ) {
- $this->setCallback( array( $this, 'read' ) );
- }
-
- if ( !isset( $this->reqHeaders['User-Agent'] ) ) {
- $this->setUserAgent( Http::userAgent() );
- }
- }
-
- /**
- * Parses the headers, including the HTTP status code and any
- * Set-Cookie headers. This function expectes the headers to be
- * found in an array in the member variable headerList.
- *
- * @return nothing
- */
- protected function parseHeader() {
- $lastname = "";
-
- foreach ( $this->headerList as $header ) {
- if ( preg_match( "#^HTTP/([0-9.]+) (.*)#", $header, $match ) ) {
- $this->respVersion = $match[1];
- $this->respStatus = $match[2];
- } elseif ( preg_match( "#^[ \t]#", $header ) ) {
- $last = count( $this->respHeaders[$lastname] ) - 1;
- $this->respHeaders[$lastname][$last] .= "\r\n$header";
- } elseif ( preg_match( "#^([^:]*):[\t ]*(.*)#", $header, $match ) ) {
- $this->respHeaders[strtolower( $match[1] )][] = $match[2];
- $lastname = strtolower( $match[1] );
- }
- }
-
- $this->parseCookies();
- }
-
- /**
- * Sets HTTPRequest status member to a fatal value with the error
- * message if the returned integer value of the status code was
- * not successful (< 300) or a redirect (>=300 and < 400). (see
- * RFC2616, section 10,
- * http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html for a
- * list of status codes.)
- *
- * @return nothing
- */
- protected function setStatus() {
- if ( !$this->respHeaders ) {
- $this->parseHeader();
- }
-
- if ( (int)$this->respStatus > 399 ) {
- list( $code, $message ) = explode( " ", $this->respStatus, 2 );
- $this->status->fatal( "http-bad-status", $code, $message );
- }
- }
-
- /**
- * Get the integer value of the HTTP status code (e.g. 200 for "200 Ok")
- * (see RFC2616, section 10, http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
- * for a list of status codes.)
- *
- * @return Integer
- */
- public function getStatus() {
- if ( !$this->respHeaders ) {
- $this->parseHeader();
- }
-
- return (int)$this->respStatus;
- }
-
-
- /**
- * Returns true if the last status code was a redirect.
- *
- * @return Boolean
- */
- public function isRedirect() {
- if ( !$this->respHeaders ) {
- $this->parseHeader();
- }
-
- $status = (int)$this->respStatus;
-
- if ( $status >= 300 && $status <= 303 ) {
- return true;
- }
-
- return false;
- }
-
- /**
- * Returns an associative array of response headers after the
- * request has been executed. Because some headers
- * (e.g. Set-Cookie) can appear more than once the, each value of
- * the associative array is an array of the values given.
- *
- * @return Array
- */
- public function getResponseHeaders() {
- if ( !$this->respHeaders ) {
- $this->parseHeader();
- }
-
- return $this->respHeaders;
- }
-
- /**
- * Returns the value of the given response header.
- *
- * @param $header String
- * @return String
- */
- public function getResponseHeader( $header ) {
- if ( !$this->respHeaders ) {
- $this->parseHeader();
- }
-
- if ( isset( $this->respHeaders[strtolower ( $header ) ] ) ) {
- $v = $this->respHeaders[strtolower ( $header ) ];
- return $v[count( $v ) - 1];
- }
-
- return null;
- }
-
- /**
- * Tells the MWHttpRequest object to use this pre-loaded CookieJar.
- *
- * @param $jar CookieJar
- */
- public function setCookieJar( $jar ) {
- $this->cookieJar = $jar;
- }
-
- /**
- * Returns the cookie jar in use.
- *
- * @returns CookieJar
- */
- public function getCookieJar() {
- if ( !$this->respHeaders ) {
- $this->parseHeader();
- }
-
- return $this->cookieJar;
- }
-
- /**
- * Sets a cookie. Used before a request to set up any individual
- * cookies. Used internally after a request to parse the
- * Set-Cookie headers.
- * @see Cookie::set
- */
- public function setCookie( $name, $value = null, $attr = null ) {
- if ( !$this->cookieJar ) {
- $this->cookieJar = new CookieJar;
- }
-
- $this->cookieJar->setCookie( $name, $value, $attr );
- }
-
- /**
- * Parse the cookies in the response headers and store them in the cookie jar.
- */
- protected function parseCookies() {
- if ( !$this->cookieJar ) {
- $this->cookieJar = new CookieJar;
- }
-
- if ( isset( $this->respHeaders['set-cookie'] ) ) {
- $url = parse_url( $this->getFinalUrl() );
- foreach ( $this->respHeaders['set-cookie'] as $cookie ) {
- $this->cookieJar->parseCookieResponseHeader( $cookie, $url['host'] );
- }
- }
- }
-
- /**
- * Returns the final URL after all redirections.
- *
- * @return String
- */
- public function getFinalUrl() {
- $location = $this->getResponseHeader( "Location" );
-
- if ( $location ) {
- return $location;
- }
-
- return $this->url;
- }
-
- /**
- * Returns true if the backend can follow redirects. Overridden by the
- * child classes.
- */
- public function canFollowRedirects() {
- return true;
- }
-}
-
-
-class Cookie {
- protected $name;
- protected $value;
- protected $expires;
- protected $path;
- protected $domain;
- protected $isSessionKey = true;
- // TO IMPLEMENT protected $secure
- // TO IMPLEMENT? protected $maxAge (add onto expires)
- // TO IMPLEMENT? protected $version
- // TO IMPLEMENT? protected $comment
-
- function __construct( $name, $value, $attr ) {
- $this->name = $name;
- $this->set( $value, $attr );
- }
-
- /**
- * Sets a cookie. Used before a request to set up any individual
- * cookies. Used internally after a request to parse the
- * Set-Cookie headers.
- *
- * @param $value String: the value of the cookie
- * @param $attr Array: possible key/values:
- * expires A date string
- * path The path this cookie is used on
- * domain Domain this cookie is used on
- */
- public function set( $value, $attr ) {
- $this->value = $value;
-
- if ( isset( $attr['expires'] ) ) {
- $this->isSessionKey = false;
- $this->expires = strtotime( $attr['expires'] );
- }
-
- if ( isset( $attr['path'] ) ) {
- $this->path = $attr['path'];
- } else {
- $this->path = "/";
- }
-
- if ( isset( $attr['domain'] ) ) {
- if ( self::validateCookieDomain( $attr['domain'] ) ) {
- $this->domain = $attr['domain'];
- }
- } else {
- throw new MWException( "You must specify a domain." );
- }
- }
-
- /**
- * Return the true if the cookie is valid is valid. Otherwise,
- * false. The uses a method similar to IE cookie security
- * described here:
- * http://kuza55.blogspot.com/2008/02/understanding-cookie-security.html
- * A better method might be to use a blacklist like
- * http://publicsuffix.org/
- *
- * @param $domain String: the domain to validate
- * @param $originDomain String: (optional) the domain the cookie originates from
- * @return Boolean
- */
- public static function validateCookieDomain( $domain, $originDomain = null ) {
- // Don't allow a trailing dot
- if ( substr( $domain, -1 ) == "." ) {
- return false;
- }
-
- $dc = explode( ".", $domain );
-
- // Only allow full, valid IP addresses
- if ( preg_match( '/^[0-9.]+$/', $domain ) ) {
- if ( count( $dc ) != 4 ) {
- return false;
- }
-
- if ( ip2long( $domain ) === false ) {
- return false;
- }
-
- if ( $originDomain == null || $originDomain == $domain ) {
- return true;
- }
-
- }
-
- // Don't allow cookies for "co.uk" or "gov.uk", etc, but allow "supermarket.uk"
- if ( strrpos( $domain, "." ) - strlen( $domain ) == -3 ) {
- if ( ( count( $dc ) == 2 && strlen( $dc[0] ) <= 2 )
- || ( count( $dc ) == 3 && strlen( $dc[0] ) == "" && strlen( $dc[1] ) <= 2 ) ) {
- return false;
- }
- if ( ( count( $dc ) == 2 || ( count( $dc ) == 3 && $dc[0] == "" ) )
- && preg_match( '/(com|net|org|gov|edu)\...$/', $domain ) ) {
- return false;
- }
- }
-
- if ( $originDomain != null ) {
- if ( substr( $domain, 0, 1 ) != "." && $domain != $originDomain ) {
- return false;
- }
-
- if ( substr( $domain, 0, 1 ) == "."
- && substr_compare( $originDomain, $domain, -strlen( $domain ),
- strlen( $domain ), TRUE ) != 0 ) {
- return false;
- }
- }
-
- return true;
- }
-
- /**
- * Serialize the cookie jar into a format useful for HTTP Request headers.
- *
- * @param $path String: the path that will be used. Required.
- * @param $domain String: the domain that will be used. Required.
- * @return String
- */
- public function serializeToHttpRequest( $path, $domain ) {
- $ret = "";
-
- if ( $this->canServeDomain( $domain )
- && $this->canServePath( $path )
- && $this->isUnExpired() ) {
- $ret = $this->name . "=" . $this->value;
- }
-
- return $ret;
- }
-
- protected function canServeDomain( $domain ) {
- if ( $domain == $this->domain
- || ( strlen( $domain ) > strlen( $this->domain )
- && substr( $this->domain, 0, 1 ) == "."
- && substr_compare( $domain, $this->domain, -strlen( $this->domain ),
- strlen( $this->domain ), TRUE ) == 0 ) ) {
- return true;
- }
-
- return false;
- }
-
- protected function canServePath( $path ) {
- if ( $this->path && substr_compare( $this->path, $path, 0, strlen( $this->path ) ) == 0 ) {
- return true;
- }
-
- return false;
- }
-
- protected function isUnExpired() {
- if ( $this->isSessionKey || $this->expires > time() ) {
- return true;
- }
-
- return false;
- }
-}
-
-class CookieJar {
- private $cookie = array();
-
- /**
- * Set a cookie in the cookie jar. Make sure only one cookie per-name exists.
- * @see Cookie::set()
- */
- public function setCookie ( $name, $value, $attr ) {
- /* cookies: case insensitive, so this should work.
- * We'll still send the cookies back in the same case we got them, though.
- */
- $index = strtoupper( $name );
-
- if ( isset( $this->cookie[$index] ) ) {
- $this->cookie[$index]->set( $value, $attr );
- } else {
- $this->cookie[$index] = new Cookie( $name, $value, $attr );
- }
- }
-
- /**
- * @see Cookie::serializeToHttpRequest
- */
- public function serializeToHttpRequest( $path, $domain ) {
- $cookies = array();
-
- foreach ( $this->cookie as $c ) {
- $serialized = $c->serializeToHttpRequest( $path, $domain );
-
- if ( $serialized ) {
- $cookies[] = $serialized;
- }
- }
-
- return implode( "; ", $cookies );
- }
-
- /**
- * Parse the content of an Set-Cookie HTTP Response header.
- *
- * @param $cookie String
- * @param $domain String: cookie's domain
- */
- public function parseCookieResponseHeader ( $cookie, $domain ) {
- $len = strlen( "Set-Cookie:" );
-
- if ( substr_compare( "Set-Cookie:", $cookie, 0, $len, TRUE ) === 0 ) {
- $cookie = substr( $cookie, $len );
- }
-
- $bit = array_map( 'trim', explode( ";", $cookie ) );
-
- if ( count( $bit ) >= 1 ) {
- list( $name, $value ) = explode( "=", array_shift( $bit ), 2 );
- $attr = array();
-
- foreach ( $bit as $piece ) {
- $parts = explode( "=", $piece );
- if ( count( $parts ) > 1 ) {
- $attr[strtolower( $parts[0] )] = $parts[1];
- } else {
- $attr[strtolower( $parts[0] )] = true;
- }
- }
-
- if ( !isset( $attr['domain'] ) ) {
- $attr['domain'] = $domain;
- } elseif ( !Cookie::validateCookieDomain( $attr['domain'], $domain ) ) {
- return null;
- }
-
- $this->setCookie( $name, $value, $attr );
- }
- }
-}
-
-/**
- * MWHttpRequest implemented using internal curl compiled into PHP
- */
-class CurlHttpRequest extends MWHttpRequest {
- static $curlMessageMap = array(
- 6 => 'http-host-unreachable',
- 28 => 'http-timed-out'
- );
-
- protected $curlOptions = array();
- protected $headerText = "";
-
- protected function readHeader( $fh, $content ) {
- $this->headerText .= $content;
- return strlen( $content );
- }
-
- public function execute() {
- parent::execute();
-
- if ( !$this->status->isOK() ) {
- return $this->status;
- }
-
- $this->curlOptions[CURLOPT_PROXY] = $this->proxy;
- $this->curlOptions[CURLOPT_TIMEOUT] = $this->timeout;
- $this->curlOptions[CURLOPT_HTTP_VERSION] = CURL_HTTP_VERSION_1_0;
- $this->curlOptions[CURLOPT_WRITEFUNCTION] = $this->callback;
- $this->curlOptions[CURLOPT_HEADERFUNCTION] = array( $this, "readHeader" );
- $this->curlOptions[CURLOPT_MAXREDIRS] = $this->maxRedirects;
- $this->curlOptions[CURLOPT_ENCODING] = ""; # Enable compression
-
- /* not sure these two are actually necessary */
- if ( isset( $this->reqHeaders['Referer'] ) ) {
- $this->curlOptions[CURLOPT_REFERER] = $this->reqHeaders['Referer'];
- }
- $this->curlOptions[CURLOPT_USERAGENT] = $this->reqHeaders['User-Agent'];
-
- if ( isset( $this->sslVerifyHost ) ) {
- $this->curlOptions[CURLOPT_SSL_VERIFYHOST] = $this->sslVerifyHost;
- }
-
- if ( isset( $this->sslVerifyCert ) ) {
- $this->curlOptions[CURLOPT_SSL_VERIFYPEER] = $this->sslVerifyCert;
- }
-
- if ( $this->caInfo ) {
- $this->curlOptions[CURLOPT_CAINFO] = $this->caInfo;
- }
-
- if ( $this->headersOnly ) {
- $this->curlOptions[CURLOPT_NOBODY] = true;
- $this->curlOptions[CURLOPT_HEADER] = true;
- } elseif ( $this->method == 'POST' ) {
- $this->curlOptions[CURLOPT_POST] = true;
- $this->curlOptions[CURLOPT_POSTFIELDS] = $this->postData;
- // Suppress 'Expect: 100-continue' header, as some servers
- // will reject it with a 417 and Curl won't auto retry
- // with HTTP 1.0 fallback
- $this->reqHeaders['Expect'] = '';
- } else {
- $this->curlOptions[CURLOPT_CUSTOMREQUEST] = $this->method;
- }
-
- $this->curlOptions[CURLOPT_HTTPHEADER] = $this->getHeaderList();
-
- $curlHandle = curl_init( $this->url );
-
- if ( !curl_setopt_array( $curlHandle, $this->curlOptions ) ) {
- throw new MWException( "Error setting curl options." );
- }
-
- if ( $this->followRedirects && $this->canFollowRedirects() ) {
- if ( ! @curl_setopt( $curlHandle, CURLOPT_FOLLOWLOCATION, true ) ) {
- wfDebug( __METHOD__ . ": Couldn't set CURLOPT_FOLLOWLOCATION. " .
- "Probably safe_mode or open_basedir is set.\n" );
- // Continue the processing. If it were in curl_setopt_array,
- // processing would have halted on its entry
- }
- }
-
- if ( false === curl_exec( $curlHandle ) ) {
- $code = curl_error( $curlHandle );
-
- if ( isset( self::$curlMessageMap[$code] ) ) {
- $this->status->fatal( self::$curlMessageMap[$code] );
- } else {
- $this->status->fatal( 'http-curl-error', curl_error( $curlHandle ) );
- }
- } else {
- $this->headerList = explode( "\r\n", $this->headerText );
- }
-
- curl_close( $curlHandle );
-
- $this->parseHeader();
- $this->setStatus();
-
- return $this->status;
- }
-
- public function canFollowRedirects() {
- if ( strval( ini_get( 'open_basedir' ) ) !== '' || wfIniGetBool( 'safe_mode' ) ) {
- wfDebug( "Cannot follow redirects in safe mode\n" );
- return false;
- }
-
- if ( !defined( 'CURLOPT_REDIR_PROTOCOLS' ) ) {
- wfDebug( "Cannot follow redirects with libcurl < 7.19.4 due to CVE-2009-0037\n" );
- return false;
- }
-
- return true;
- }
-}
-
-class PhpHttpRequest extends MWHttpRequest {
- protected function urlToTcp( $url ) {
- $parsedUrl = parse_url( $url );
-
- return 'tcp://' . $parsedUrl['host'] . ':' . $parsedUrl['port'];
- }
-
- public function execute() {
- parent::execute();
-
- // At least on Centos 4.8 with PHP 5.1.6, using max_redirects to follow redirects
- // causes a segfault
- $manuallyRedirect = version_compare( phpversion(), '5.1.7', '<' );
-
- if ( $this->parsedUrl['scheme'] != 'http' &&
- $this->parsedUrl['scheme'] != 'https' ) {
- $this->status->fatal( 'http-invalid-scheme', $this->parsedUrl['scheme'] );
- }
-
- $this->reqHeaders['Accept'] = "*/*";
- if ( $this->method == 'POST' ) {
- // Required for HTTP 1.0 POSTs
- $this->reqHeaders['Content-Length'] = strlen( $this->postData );
- $this->reqHeaders['Content-type'] = "application/x-www-form-urlencoded";
- }
-
- $options = array();
- if ( $this->proxy && !$this->noProxy ) {
- $options['proxy'] = $this->urlToTCP( $this->proxy );
- $options['request_fulluri'] = true;
- }
-
- if ( !$this->followRedirects || $manuallyRedirect ) {
- $options['max_redirects'] = 0;
- } else {
- $options['max_redirects'] = $this->maxRedirects;
- }
-
- $options['method'] = $this->method;
- $options['header'] = implode( "\r\n", $this->getHeaderList() );
- // Note that at some future point we may want to support
- // HTTP/1.1, but we'd have to write support for chunking
- // in version of PHP < 5.3.1
- $options['protocol_version'] = "1.0";
-
- // This is how we tell PHP we want to deal with 404s (for example) ourselves.
- // Only works on 5.2.10+
- $options['ignore_errors'] = true;
-
- if ( $this->postData ) {
- $options['content'] = $this->postData;
- }
-
- $oldTimeout = false;
- if ( version_compare( '5.2.1', phpversion(), '>' ) ) {
- $oldTimeout = ini_set( 'default_socket_timeout', $this->timeout );
- } else {
- $options['timeout'] = $this->timeout;
- }
-
- $context = stream_context_create( array( 'http' => $options ) );
-
- $this->headerList = array();
- $reqCount = 0;
- $url = $this->url;
-
- do {
- $reqCount++;
- wfSuppressWarnings();
- $fh = fopen( $url, "r", false, $context );
- wfRestoreWarnings();
-
- if ( !$fh ) {
- break;
- }
-
- $result = stream_get_meta_data( $fh );
- $this->headerList = $result['wrapper_data'];
- $this->parseHeader();
-
- if ( !$manuallyRedirect || !$this->followRedirects ) {
- break;
- }
-
- # Handle manual redirection
- if ( !$this->isRedirect() || $reqCount > $this->maxRedirects ) {
- break;
- }
- # Check security of URL
- $url = $this->getResponseHeader( "Location" );
-
- if ( substr( $url, 0, 7 ) !== 'http://' ) {
- wfDebug( __METHOD__ . ": insecure redirection\n" );
- break;
- }
- } while ( true );
-
- if ( $oldTimeout !== false ) {
- ini_set( 'default_socket_timeout', $oldTimeout );
- }
-
- $this->setStatus();
-
- if ( $fh === false ) {
- $this->status->fatal( 'http-request-error' );
- return $this->status;
- }
-
- if ( $result['timed_out'] ) {
- $this->status->fatal( 'http-timed-out', $this->url );
- return $this->status;
- }
-
- if ( $this->status->isOK() ) {
- while ( !feof( $fh ) ) {
- $buf = fread( $fh, 8192 );
-
- if ( $buf === false ) {
- $this->status->fatal( 'http-read-error' );
- break;
- }
-
- if ( strlen( $buf ) ) {
- call_user_func( $this->callback, $fh, $buf );
- }
- }
- }
- fclose( $fh );
-
- return $this->status;
- }
-}
scripts.mit.edu / autoinstallsdev / mediawiki.git / blobdiff