X-Git-Url: https://git.mxchange.org/?p=mailer.git;a=blobdiff_plain;f=inc%2Fhttp-functions.php;h=5715c6edd0a5c48967b7ccd9abb6c0402f55c1aa;hp=d049a7b75d4323b43c0cae0566063ef6b1e7dcd5;hb=e937b6540b932d537f72e827de76dd5be4aefe48;hpb=abdd5c798caaa56be3962dd28e6bc25a7a5cc0ba

diff --git a/inc/http-functions.php b/inc/http-functions.php
index d049a7b75d..5715c6edd0 100644
--- a/inc/http-functions.php
+++ b/inc/http-functions.php
@@ -16,7 +16,7 @@
  * $Author::                                                          $ *
  * -------------------------------------------------------------------- *
  * Copyright (c) 2003 - 2009 by Roland Haeder                           *
- * Copyright (c) 2009 - 2011 by Mailer Developer Team                   *
+ * Copyright (c) 2009 - 2012 by Mailer Developer Team                   *
  * For more information visit: http://mxchange.org                      *
  *                                                                      *
  * This program is free software; you can redistribute it and/or modify *
@@ -40,22 +40,47 @@ if (!defined('__SECURITY')) {
 	die();
 } // END - if
 
+// Initialize HTTP handling
+function initHttp () {
+	// Initialize array
+	$GLOBALS['http_header'] = array();
+}
+
 // Sends out all headers required for HTTP/1.1 reply
 function sendHttpHeaders () {
 	// Used later
 	$now = gmdate('D, d M Y H:i:s') . ' GMT';
 
 	// Send HTTP header
-	sendHeader('HTTP/1.1 ' . getHttpStatus());
+	addHttpHeader('HTTP/1.1 ' . getHttpStatus());
 
 	// General headers for no caching
-	sendHeader('Expires: ' . $now); // RFC2616 - Section 14.21
-	sendHeader('Last-Modified: ' . $now);
-	sendHeader('Cache-Control: no-store, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0'); // HTTP/1.1
-	sendHeader('Pragma: no-cache'); // HTTP/1.0
-	sendHeader('Connection: Close');
-	sendHeader('Content-Type: ' . getContentType() . '; charset=UTF-8');
-	sendHeader('Content-Language: ' . getLanguage());
+	addHttpHeader('Expires: ' . $now); // RFC2616 - Section 14.21
+	addHttpHeader('Last-Modified: ' . $now);
+	addHttpHeader('Cache-Control: no-store, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0'); // HTTP/1.1
+	addHttpHeader('Pragma: no-cache'); // HTTP/1.0
+	addHttpHeader('Connection: Close');
+
+	// There shall be no output mode in raw output-mode
+	if (!isRawOutputMode()) {
+		// Send content-type not in raw output-mode
+		addHttpHeader('Content-Type: ' . getContentType() . '; charset=UTF-8');
+	} // END - if
+
+	// Add language
+	addHttpHeader('Content-Language: ' . getLanguage());
+}
+
+// Checks whether the URL is full-qualified (http[s]:// + hostname [+ request data])
+function isFullQualifiedUrl ($url) {
+	// Is there cache?
+	if (!isset($GLOBALS[__FUNCTION__][$url])) {
+		// Determine it
+		$GLOBALS[__FUNCTION__][$url] = ((substr($url, 0, 7) == 'http://') || (substr($url, 0, 8) == 'https://'));
+	} // END - if
+
+	// Return cache
+	return $GLOBALS[__FUNCTION__][$url];
 }
 
 // Generates the full GET URL from given base URL and data array
@@ -63,12 +88,24 @@ function generateGetUrlFromBaseUrlData ($baseUrl, $requestData = array()) {
 	// Init URL
 	$getUrl = $baseUrl;
 
+	// Is it full-qualified?
+	if (!isFullQualifiedUrl($getUrl)) {
+		// Need to prepend a slash?
+		if (substr($getUrl, 0, 1) != '/') {
+			// Prepend it
+			$getUrl = '/' . $getUrl;
+		} // END - if
+
+		// Prepend http://hostname from mxchange.org server
+		$getUrl = getServerUrl() . $getUrl;
+	} // END - if
+
 	// Add data
 	$body = http_build_query($requestData, '', '&');
 
 	// There should be data, else we don't need to extend $baseUrl with $body
 	if (!empty($body)) {
-		// Do we have a question-mark in the script?
+		// Is there a question-mark in the script?
 		if (!isInString('?', $baseUrl)) {
 			// No, so first char must be question mark
 			$body = '?' . $body;
@@ -106,19 +143,53 @@ function removeHttpHostNameFromUrl ($url) {
 	return $url;
 }
 
-// Send a HEAD request
+// Sends a HTTP request (GET, POST, HEAD are currently supported)
+function sendHttpRequest ($requestType, $baseUrl, $requestData = array(), $removeHeader = false) {
+	// Init response
+	$response = array();
+
+	// Start "detecting" the request type
+	switch ($requestType) {
+		case 'HEAD': // Send a HTTP/1.1 HEAD request
+			$response = sendHeadRequest($baseUrl, $requestData);
+			break;
+
+		case 'GET': // Send a HTTP/1.1 GET request
+			$response = sendGetRequest($baseUrl, $requestData, $removeHeader);
+			break;
+
+		case 'POST': // Send a HTTP/1.1 POST request
+			$response = sendPostRequest($baseUrl, $requestData, $removeHeader);
+			break;
+
+		default: // Unsupported HTTP request, this is really bad and needs fixing
+			reportBug(__FUNCTION__, __LINE__, 'Unsupported request detected. requestType=' . $requestType . ',baseUrl=' . $baseUrl . ',requestData()=' . count($requestData));
+			break;
+	} // END - switch
+
+	// Return response
+	return $response;
+}
+
+// Sends a HEAD request
 function sendHeadRequest ($baseUrl, $requestData = array()) {
 	// Generate full GET URL
 	$getUrl = generateGetUrlFromBaseUrlData($baseUrl, $requestData);
 
+	// Is there http[s]:// in front of the URL?
+	if (isFullQualifiedUrl($getUrl)) {
+		// Remove http[s]://<hostname> from URL
+		$getUrl = removeHttpHostNameFromUrl($getUrl);
+	} elseif (substr($getUrl, 0, 1) != '/') {
+		// Prepend a slash
+		$getUrl = '/' . $getUrl;
+	}
+
 	// Extract hostname and port from script
 	$host = extractHostnameFromUrl($baseUrl);
 
-	// Remove http[s]://<hostname> from url
-	$getUrl = removeHttpHostNameFromUrl($getUrl);
-
 	// Generate HEAD request header
-	$request  = 'HEAD ' . trim($getUrl) . ' HTTP/1.1' . getConfig('HTTP_EOL');
+	$request  = 'HEAD ' . (isProxyUsed() === true ? $baseUrl : '') . trim($getUrl) . ' HTTP/1.1' . getConfig('HTTP_EOL');
 	$request .= 'Host: ' . $host . getConfig('HTTP_EOL');
 	$request .= 'Referer: ' . getUrl() . '/admin.php' . getConfig('HTTP_EOL');
 	if (isConfigEntrySet('FULL_VERSION')) {
@@ -144,14 +215,20 @@ function sendGetRequest ($baseUrl, $requestData = array(), $removeHeader = false
 	// Generate full GET URL
 	$getUrl = generateGetUrlFromBaseUrlData($baseUrl, $requestData);
 
+	// Is there http[s]:// in front of the URL?
+	if (isFullQualifiedUrl($getUrl)) {
+		// Remove http[s]://<hostname> from url
+		$getUrl = removeHttpHostNameFromUrl($getUrl);
+	} elseif (substr($getUrl, 0, 1) != '/') {
+		// Prepend a slash
+		$getUrl = '/' . $getUrl;
+	}
+
 	// Extract hostname and port from script
 	$host = extractHostnameFromUrl($baseUrl);
 
-	// Remove http[s]://<hostname> from url
-	$getUrl = removeHttpHostNameFromUrl($getUrl);
-
 	// Generate GET request header
-	$request  = 'GET ' . trim($getUrl) . ' HTTP/1.1' . getConfig('HTTP_EOL');
+	$request  = 'GET ' . (isProxyUsed() === true ? $baseUrl : '') . trim($getUrl) . ' HTTP/1.1' . getConfig('HTTP_EOL');
 	$request .= 'Host: ' . $host . getConfig('HTTP_EOL');
 	$request .= 'Referer: ' . getUrl() . '/admin.php' . getConfig('HTTP_EOL');
 	if (isConfigEntrySet('FULL_VERSION')) {
@@ -178,19 +255,28 @@ function sendGetRequest ($baseUrl, $requestData = array(), $removeHeader = false
 	return $response;
 }
 
-// Send a POST request
-function sendPostRequest ($baseUrl, $requestData, $removeHeader = false) {
+// Send a POST request, sometimes even POST requests have no parameters
+function sendPostRequest ($baseUrl, $requestData = array(), $removeHeader = false) {
+	// Copy baseUrl to getUrl
+	$getUrl = $baseUrl;
+
+	// Is there http[s]:// in front of the URL?
+	if (isFullQualifiedUrl($getUrl)) {
+		// Remove http[s]://<hostname> from url
+		$getUrl = removeHttpHostNameFromUrl($getUrl);
+	} elseif (substr($getUrl, 0, 1) != '/') {
+		// Prepend a slash
+		$getUrl = '/' . $getUrl;
+	}
+
 	// Extract host name from script
 	$host = extractHostnameFromUrl($baseUrl);
 
 	// Construct request body
 	$body = http_build_query($requestData, '', '&');
 
-	// Remove http(s)://$host from base URL
-	$baseUrl = removeHttpHostNameFromUrl($baseUrl);
-
 	// Generate POST request header
-	$request  = 'POST ' . trim($baseUrl) . ' HTTP/1.0' . getConfig('HTTP_EOL');
+	$request  = 'POST ' . (isProxyUsed() === true ? $baseUrl : '') . trim($baseUrl) . ' HTTP/1.0' . getConfig('HTTP_EOL');
 	$request .= 'Host: ' . $host . getConfig('HTTP_EOL');
 	$request .= 'Referer: ' . getUrl() . '/admin.php' . getConfig('HTTP_EOL');
 	if (isConfigEntrySet('FULL_VERSION')) {
@@ -222,7 +308,7 @@ function sendPostRequest ($baseUrl, $requestData, $removeHeader = false) {
 	return $response;
 }
 
-// Sends a raw request to another host
+// Sends a raw request (string) to given host (hostnames will be solved)
 function sendRawRequest ($host, $request) {
 	//* DEBUG: */ die('host='.$host.',request=<pre>'.$request.'</pre>');
 	// Init errno and errdesc with 'all fine' values
@@ -235,18 +321,9 @@ function sendRawRequest ($host, $request) {
 	// Initialize array
 	$response = array('', '', '');
 
-	// Default is not to use proxy
-	$useProxy = false;
-
 	// Default is non-broken HTTP server implementation
 	$GLOBALS['is_http_server_broken'] = false;
 
-	// Are proxy settins set?
-	if (isProxyUsed()) {
-		// Then use it
-		$useProxy = true;
-	} // END - if
-
 	// Load include
 	loadIncludeOnce('inc/classes/resolver.class.php');
 
@@ -258,42 +335,46 @@ function sendRawRequest ($host, $request) {
 		$port = $portArray[1];
 	} elseif (count($portArray) > 2) {
 		// This should not happen!
-		debug_report_bug(__FUNCTION__, __LINE__, 'Invalid ' . $host . '. Please report this to the Mailer-Project team.');
+		reportBug(__FUNCTION__, __LINE__, 'Invalid ' . $host . '. Please report this to the Mailer-Project team.');
 	}
 
 	// Get resolver instance
 	$resolver = new HostnameResolver();
 
+	// Get proxy host
+	$proxyHost = compileRawCode(getProxyHost());
+
 	// Open connection
-	if ($useProxy === true) {
+	if (isProxyUsed() === true) {
 		// Resolve hostname into IP address
-		$ip = $resolver->resolveHostname(compileRawCode(getProxyHost()));
+		$ip = $resolver->resolveHostname($proxyHost);
 
 		// Connect to host through proxy connection
-		$fp = fsockopen($ip, bigintval(getProxyPort()), $errno, $errdesc, 30);
+		$resource = fsockopen($ip, bigintval(getProxyPort()), $errno, $errdesc, 30);
 	} else {
 		// Resolve hostname into IP address
 		$ip = $resolver->resolveHostname($host);
 
 		// Connect to host directly
-		$fp = fsockopen($ip, $port, $errno, $errdesc, 30);
+		$resource = fsockopen($ip, $port, $errno, $errdesc, 30);
 	}
+	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'ip=' . $ip . ',host=' . $host . ',isProxyUsed()=' . intval(isProxyUsed()));
 
 	// Is there a link?
-	if (!is_resource($fp)) {
+	if (!is_resource($resource)) {
 		// Failed!
 		logDebugMessage(__FUNCTION__, __LINE__, $errdesc . ' (' . $errno . ')');
 		return $response;
-	} elseif ((!stream_set_blocking($fp, 0)) || (!stream_set_timeout($fp, 1))) {
+	} elseif ((!stream_set_blocking($resource, 0)) || (!stream_set_timeout($resource, 1))) {
 		// Cannot set non-blocking mode or timeout
 		logDebugMessage(__FUNCTION__, __LINE__, socket_strerror(socket_last_error()));
 		return $response;
 	}
 
-	// Do we use proxy?
-	if ($useProxy === true) {
+	// Shall proxy be used?
+	if (isProxyUsed() === true) {
 		// Setup proxy tunnel
-		$response = setupProxyTunnel($host, $port, $fp);
+		$response = setupProxyTunnel($host, $proxyHost, $port, $resource);
 
 		// If the response is invalid, abort
 		if ((count($response) == 3) && (empty($response[0])) && (empty($response[1])) && (empty($response[2]))) {
@@ -304,15 +385,15 @@ function sendRawRequest ($host, $request) {
 	} // END - if
 
 	// Write request
-	fwrite($fp, $request);
+	fwrite($resource, $request);
 
 	// Start counting
 	$start = microtime(true);
 
 	// Read response
-	while (!feof($fp)) {
+	while (!feof($resource)) {
 		// Get info from stream
-		$info = stream_get_meta_data($fp);
+		$info = stream_get_meta_data($resource);
 
 		// Is it timed out? 15 seconds is a really patient...
 		if (($info['timed_out'] == true) || (microtime(true) - $start) > 15) {
@@ -324,7 +405,7 @@ function sendRawRequest ($host, $request) {
 		} // END - if
 
 		// Get line from stream
-		$line = fgets($fp, 128);
+		$line = fgets($resource, 128);
 
 		// Ignore empty lines because of non-blocking mode
 		if (empty($line)) {
@@ -342,11 +423,12 @@ function sendRawRequest ($host, $request) {
 		} // END - if
 
 		// Add it to response
-		$response[] = $line;
+		//* DEBUG: */ print 'line='.$line.'<br />';
+		array_push($response, $line);
 	} // END - while
 
 	// Close socket
-	fclose($fp);
+	fclose($resource);
 
 	// Time request if debug-mode is enabled
 	if (isDebugModeEnabled()) {
@@ -378,7 +460,7 @@ function sendRawRequest ($host, $request) {
 		// No response, maybe timeout
 		$response = array('', '', '');
 		logDebugMessage(__FUNCTION__, __LINE__, 'Invalid empty response array, maybe timed out?');
-	} elseif ((substr(strtolower($response[0]), 0, 11) == 'proxy-agent') && ($useProxy === true)) {
+	} elseif ((substr(strtolower($response[0]), 0, 11) == 'proxy-agent') && (isProxyUsed() === true)) {
 		// Proxy header detected, so remove two lines
 		array_shift($response);
 		array_shift($response);
@@ -399,13 +481,14 @@ function sendRawRequest ($host, $request) {
 }
 
 // Sets up a proxy tunnel for given hostname and through resource
-function setupProxyTunnel ($host, $port, $resource) {
+function setupProxyTunnel ($host, $proxyHost, $port, $resource) {
 	// Initialize array
 	$response = array('', '', '');
 
 	// Generate CONNECT request header
 	$proxyTunnel  = 'CONNECT ' . $host . ':' . $port . ' HTTP/1.0' . getConfig('HTTP_EOL');
 	$proxyTunnel .= 'Host: ' . $host . getConfig('HTTP_EOL');
+	$proxyTunnel .= 'Proxy-Connection: Keep-Alive' . getConfig('HTTP_EOL');
 
 	// Use login data to proxy? (username at least!)
 	if (getProxyUsername() != '') {
@@ -419,18 +502,18 @@ function setupProxyTunnel ($host, $port, $resource) {
 	//* DEBUG: */ debugOutput('<strong>proxyTunnel=</strong><pre>' . $proxyTunnel.'</pre>');
 
 	// Write request
-	fwrite($fp, $proxyTunnel);
+	fwrite($resource, $proxyTunnel);
 
 	// Got response?
-	if (feof($fp)) {
+	if (feof($resource)) {
 		// No response received
 		return $response;
 	} // END - if
 
 	// Read the first line
-	$resp = trim(fgets($fp, 10240));
+	$resp = trim(fgets($resource, 10240));
 	$respArray = explode(' ', $resp);
-	if ((strtolower($respArray[0]) !== 'http/1.0') || ($respArray[1] != '200')) {
+	if (((strtolower($respArray[0]) !== 'http/1.0') && (strtolower($respArray[0]) !== 'http/1.1')) || ($respArray[1] != '200')) {
 		// Invalid response!
 		return $response;
 	} // END - if
@@ -468,7 +551,7 @@ function unchunkHttpResponse ($response) {
 		//* DEBUG: */ die('tempResponse['.strlen($tempResponse).']=<pre>'.replaceReturnNewLine(htmlentities($tempResponse)).'</pre>');
 
 		// Re-add the headers
-		$response = merge_array($GLOBALS['http_headers'], stringToArray("\n", $tempResponse));
+		$response = merge_array($GLOBALS['http_headers'], stringToArray(chr(10), $tempResponse));
 	} // END - if
 
 	// Return the unchunked array
@@ -489,7 +572,7 @@ function removeHttpHeaderFromResponse ($response) {
 			array_shift($response2);
 
 			// Add full line to temporary global array
-			$GLOBALS['http_headers'][] = $line;
+			array_push($GLOBALS['http_headers'], $line);
 
 			// Trim it for testing
 			$lineTest = trim($line);
@@ -518,6 +601,73 @@ function isBrokenHttpServerImplentation () {
 	return $isBroken;
 }
 
+// Extract host from script name
+function extractHostnameFromUrl (&$script) {
+	// Use default SERVER_URL by default... ;) So?
+	$url = getServerUrl();
+
+	// Is this URL valid?
+	if (substr($script, 0, 7) == 'http://') {
+		// Use the hostname from script URL as new hostname
+		$url = substr($script, 7);
+		$extract = explode('/', $url);
+		$url = $extract[0];
+		// Done extracting the URL :)
+	} // END - if
+
+	// Extract host name
+	$host = str_replace('http://', '', $url);
+	if (isInString('/', $host)) {
+		$host = substr($host, 0, strpos($host, '/'));
+	} // END - if
+
+	// Generate relative URL
+	//* DEBUG: */ debugOutput('SCRIPT=' . $script);
+	if (substr(strtolower($script), 0, 7) == 'http://') {
+		// But only if http:// is in front!
+		$script = substr($script, (strlen($url) + 7));
+	} elseif (substr(strtolower($script), 0, 8) == 'https://') {
+		// Does this work?!
+		$script = substr($script, (strlen($url) + 8));
+	}
+
+	//* DEBUG: */ debugOutput('SCRIPT=' . $script);
+	if (substr($script, 0, 1) == '/') {
+		$script = substr($script, 1);
+	} // END - if
+
+	// Return host name
+	return $host;
+}
+
+// Adds a HTTP header to array
+function addHttpHeader ($header) {
+	// Send the header
+	//* DEBUG: */ logDebugMessage(__FUNCTION__ . ': header=' . $header);
+	array_push($GLOBALS['http_header'], trim($header));
+}
+
+// Flushes all HTTP headers
+function flushHttpHeaders () {
+	// Is the header already sent?
+	if (headers_sent()) {
+		// Then abort here
+		reportBug(__FUNCTION__, __LINE__, 'Headers already sent!');
+	} elseif ((!isset($GLOBALS['http_header'])) || (!is_array($GLOBALS['http_header']))) {
+		// Not set or not an array
+		reportBug(__FUNCTION__, __LINE__, 'Headers not set or not an array, isset()=' . isset($GLOBALS['http_header']) . ', please report this.');
+	}
+
+	// Flush all headers if found
+	foreach ($GLOBALS['http_header'] as $header) {
+		// Send a single header
+		header($header);
+	} // END - foreach
+
+	// Mark them as flushed
+	$GLOBALS['http_header'] = array();
+}
+
 //-----------------------------------------------------------------------------
 // Automatically re-created functions, all taken from user comments on www.php.net
 //-----------------------------------------------------------------------------
@@ -555,7 +705,7 @@ if (!function_exists('http_chunked_decode')) {
 	 * dechunk an HTTP 'transfer-encoding: chunked' message.
 	 *
 	 * @param	$chunk		The encoded message
-	 * @return	$dechunk	The decoded message. If $chunk wasn't encoded properly debug_report_bug() is being called
+	 * @return	$dechunk	The decoded message. If $chunk wasn't encoded properly reportBug() is being called
 	 * @author	Marques Johansson (initial author)
 	 * @author	Roland Haeder (heavy modifications and simplification)
 	 * @link	http://php.net/manual/en/function.http-chunked-decode.php#89786
@@ -594,7 +744,7 @@ next[offset,10]=<pre>'.replaceReturnNewLine(htmlentities(call_user_func_array($m
 			if (!isHexadecimal($chunkLenHex)) {
 				// Please help debugging this
 				//* DEBUG: */ die('ABORT:chunkLenHex=<pre>'.replaceReturnNewLine(htmlentities($chunkLenHex)).'</pre>');
-				debug_report_bug(__FUNCTION__, __LINE__, 'Value ' . $chunkLenHex . ' is no valid hexa-decimal string.');
+				reportBug(__FUNCTION__, __LINE__, 'Value ' . $chunkLenHex . ' is no valid hexa-decimal string.');
 
 				// This won't be reached
 				return $chunk;
@@ -668,5 +818,44 @@ next[100]=<pre>'.replaceReturnNewLine(htmlentities(call_user_func_array($mbPrefi
 	}
 } // END - if
 
+// Getter for request method
+function getHttpRequestMethod () {
+	// Console is default
+	$requestMethod = 'console';
+
+	// Is it set?
+	if (isset($_SERVER['REQUEST_METHOD'])) {
+		// Get current request method
+		$requestMethod = $_SERVER['REQUEST_METHOD'];
+	} // END - if
+
+	// Return it
+	return $requestMethod;
+}
+
+// Checks if 'content_type' is set
+function isContentTypeSet () {
+	return isset($GLOBALS['content_type']);
+}
+
+// Setter for content type
+function setContentType ($contentType) {
+	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'contentType=' . $contentType);
+	$GLOBALS['content_type'] = (string) $contentType;
+}
+
+// Getter for content type
+function getContentType () {
+	// Is it there?
+	if (!isContentTypeSet()) {
+		// Please fix this
+		reportBug(__FUNCTION__, __LINE__, 'content_type not set in GLOBALS array.');
+	} // END - if
+
+	// Return it
+	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'content_type=' . $GLOBALS['content_type']);
+	return $GLOBALS['content_type'];
+}
+
 // [EOF]
 ?>