From b9b85843572bf283f48285001e276ba7e61b63f6 Mon Sep 17 00:00:00 2001
From: Pierre Schmitz <pierre@archlinux.de>
Date: Sun, 22 Feb 2009 13:37:51 +0100
Subject: updated to MediaWiki 1.14.0

---
 includes/HttpFunctions.php | 86 ++++++++++++++++++++++++++++++++++------------
 1 file changed, 64 insertions(+), 22 deletions(-)

(limited to 'includes/HttpFunctions.php')

diff --git a/includes/HttpFunctions.php b/includes/HttpFunctions.php
index 555a79b7..269d45ff 100644
--- a/includes/HttpFunctions.php
+++ b/includes/HttpFunctions.php
@@ -1,24 +1,48 @@
 <?php
 
+/**
+ * @defgroup HTTP HTTP
+ * @file
+ * @ingroup HTTP
+ */
+
 /**
  * Various HTTP related functions
+ * @ingroup HTTP
  */
 class Http {
-	static function get( $url, $timeout = 'default' ) {
-		return Http::request( "GET", $url, $timeout );
+
+	/**
+	 * Simple wrapper for Http::request( 'GET' )
+	 * @see Http::request()
+	 */
+	public static function get( $url, $timeout = 'default', $opts = array() ) {
+		return Http::request( "GET", $url, $timeout, $opts );
 	}
 
-	static function post( $url, $timeout = 'default' ) {
-		return Http::request( "POST", $url, $timeout );
+	/**
+	 * Simple wrapper for Http::request( 'POST' )
+	 * @see Http::request()
+	 */
+	public static function post( $url, $timeout = 'default', $opts = array() ) {
+		return Http::request( "POST", $url, $timeout, $opts );
 	}
 
 	/**
 	 * Get the contents of a file by HTTP
-	 *
-	 * if $timeout is 'default', $wgHTTPTimeout is used
+	 * @param $method string HTTP method. Usually GET/POST
+	 * @param $url string Full URL to act on
+	 * @param $timeout int Seconds to timeout. 'default' falls to $wgHTTPTimeout
+	 * @param $curlOptions array Optional array of extra params to pass 
+	 * to curl_setopt()
 	 */
-	static function request( $method, $url, $timeout = 'default' ) {
-		global $wgHTTPTimeout, $wgHTTPProxy, $wgVersion, $wgTitle;
+	public static function request( $method, $url, $timeout = 'default', $curlOptions = array() ) {
+		global $wgHTTPTimeout, $wgHTTPProxy, $wgTitle;
+
+		// Go ahead and set the timeout if not otherwise specified
+		if ( $timeout == 'default' ) {
+			$timeout = $wgHTTPTimeout;
+		}
 
 		wfDebug( __METHOD__ . ": $method $url\n" );
 		# Use curl if available
@@ -30,13 +54,12 @@ class Http {
 				curl_setopt($c, CURLOPT_PROXY, $wgHTTPProxy);
 			}
 
-			if ( $timeout == 'default' ) {
-				$timeout = $wgHTTPTimeout;
-			}
 			curl_setopt( $c, CURLOPT_TIMEOUT, $timeout );
-			curl_setopt( $c, CURLOPT_USERAGENT, "MediaWiki/$wgVersion" );
-			if ( $method == 'POST' )
+			curl_setopt( $c, CURLOPT_USERAGENT, self :: userAgent() );
+			if ( $method == 'POST' ) {
 				curl_setopt( $c, CURLOPT_POST, true );
+				curl_setopt( $c, CURLOPT_POSTFIELDS, '' );
+			}
 			else
 				curl_setopt( $c, CURLOPT_CUSTOMREQUEST, $method );
 
@@ -48,6 +71,12 @@ class Http {
 			if ( is_object( $wgTitle ) ) {
 				curl_setopt( $c, CURLOPT_REFERER, $wgTitle->getFullURL() );
 			}
+			
+			if ( is_array( $curlOptions ) ) {
+				foreach( $curlOptions as $option => $value ) {
+					curl_setopt( $c, $option, $value );
+				}
+			}
 
 			ob_start();
 			curl_exec( $c );
@@ -55,20 +84,24 @@ class Http {
 			ob_end_clean();
 
 			# Don't return the text of error messages, return false on error
-			if ( curl_getinfo( $c, CURLINFO_HTTP_CODE ) != 200 ) {
+			$retcode = curl_getinfo( $c, CURLINFO_HTTP_CODE );
+			if ( $retcode != 200 ) {
+				wfDebug( __METHOD__ . ": HTTP return code $retcode\n" );
 				$text = false;
 			}
 			# Don't return truncated output
-			if ( curl_errno( $c ) != CURLE_OK ) {
+			$errno = curl_errno( $c );
+			if ( $errno != CURLE_OK ) {
+				$errstr = curl_error( $c );
+				wfDebug( __METHOD__ . ": CURL error code $errno: $errstr\n" );
 				$text = false;
 			}
 			curl_close( $c );
 		} else {
 			# Otherwise use file_get_contents...
-			# This may take 3 minutes to time out, and doesn't have local fetch capabilities
+			# This doesn't have local fetch capabilities...
 
-			global $wgVersion;
-			$headers = array( "User-Agent: MediaWiki/$wgVersion" );
+			$headers = array( "User-Agent: " . self :: userAgent() );
 			if( strcasecmp( $method, 'post' ) == 0 ) {
 				// Required for HTTP 1.0 POSTs
 				$headers[] = "Content-Length: 0";
@@ -76,20 +109,21 @@ class Http {
 			$opts = array(
 				'http' => array(
 					'method' => $method,
-					'header' => implode( "\r\n", $headers ) ) );
+					'header' => implode( "\r\n", $headers ),
+					'timeout' => $timeout ) );
 			$ctx = stream_context_create($opts);
 
-			$url_fopen = ini_set( 'allow_url_fopen', 1 );
 			$text = file_get_contents( $url, false, $ctx );
-			ini_set( 'allow_url_fopen', $url_fopen );
 		}
 		return $text;
 	}
 
 	/**
 	 * Check if the URL can be served by localhost
+	 * @param $url string Full url to check
+	 * @return bool
 	 */
-	static function isLocalURL( $url ) {
+	public static function isLocalURL( $url ) {
 		global $wgCommandLineMode, $wgConf;
 		if ( $wgCommandLineMode ) {
 			return false;
@@ -117,4 +151,12 @@ class Http {
 		}
 		return false;
 	}
+	
+	/**
+	 * Return a standard user-agent we can use for external requests.
+	 */
+	public static function userAgent() {
+		global $wgVersion;
+		return "MediaWiki/$wgVersion";
+	}
 }
-- 
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