* -------------------------------------------------------------------- *
* Copyright (c) 2003 - 2009 by Roland Haeder *
* Copyright (c) 2009 - 2011 by Mailer Developer Team *
- * For more information visit: http://www.mxchange.org *
+ * For more information visit: http://mxchange.org *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
$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: ' . $now);
+ addHttpHeader('Cache-Control: no-store, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0'); // HTTP/1.1
+ addHttpHeader('Pragma: no-cache'); // HTTP/1.0
+ addHttpHeader('Connection: Close');
+ addHttpHeader('Content-Type: ' . getContentType() . '; charset=UTF-8');
+ addHttpHeader('Content-Language: ' . getLanguage());
}
-// Send a GET request
-function sendGetRequest ($baseUrl, $data = array(), $removeHeader = false) {
- // Extract hostname and port from script
- $host = extractHostnameFromUrl($baseUrl);
+// Checks wether the URL is full-qualified (http[s]:// + hostname [+ request data])
+function isFullQualifiedUrl ($url) {
+ // Do we have cache?
+ if (!isset($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
+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
- $body = http_build_query($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?
- if (strpos($baseUrl, '?') === false) {
+ if (!isInString('?', $baseUrl)) {
// No, so first char must be question mark
$body = '?' . $body;
} else {
}
// Add script data
- $baseUrl .= $body;
+ $getUrl .= $body;
// Remove trailed & to make it more conform
- if (substr($baseUrl, -1, 1) == '&') {
- $baseUrl = substr($baseUrl, 0, -1);
+ if (substr($getUrl, -1, 1) == '&') {
+ $getUrl = substr($getUrl, 0, -1);
} // END - if
} // END - if
+ // Return it
+ return $getUrl;
+}
+
+// Removes http[s]://<hostname> from given url
+function removeHttpHostNameFromUrl ($url) {
+ // Remove http[s]://
+ $remove = explode(':', $url);
+ $remove = explode('/', substr($remove[1], 3));
+
+ // Remove the first element (should be the hostname)
+ unset($remove[0]);
+
+ // implode() back all other elements and prepend a slash
+ $url = '/' . implode('/', $remove);
+
+ // Return prepared URL
+ return $url;
+}
+
+// Sends a HTTP request (GET, POST, HEAD are currently supported)
+function sendHttpRequest ($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
+ debug_report_bug(__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, $requestData);
+
+ // Do we have http[s]:// in front of the URL?
+ if (isFullQualifiedUrl($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);
+
+ // Generate HEAD request header
+ $request = 'HEAD ' . trim($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')) {
+ $request .= 'User-Agent: ' . getTitle() . '/' . getFullVersion() . getConfig('HTTP_EOL');
+ } else {
+ $request .= 'User-Agent: ' . getTitle() . '/' . getConfig('VERSION') . getConfig('HTTP_EOL');
+ }
+ $request .= 'Accept: image/png,image/*;q=0.8,text/plain,text/html,*/*;q=0.5' . getConfig('HTTP_EOL');
+ $request .= 'Accept-Charset: UTF-8,*' . getConfig('HTTP_EOL');
+ $request .= 'Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0' . getConfig('HTTP_EOL');
+ $request .= 'Connection: close' . getConfig('HTTP_EOL');
+ $request .= getConfig('HTTP_EOL');
+
+ // Send the raw request
+ $response = sendRawRequest($host, $request);
+
+ // Return the result to the caller function
+ return $response;
+}
+
+// Send a GET request
+function sendGetRequest ($baseUrl, $requestData = array(), $removeHeader = false) {
+ // Generate full GET URL
+ $getUrl = generateGetUrlFromBaseUrlData($baseUrl, $requestData);
+
+ // Do we have http[s]:// in front of the URL?
+ if (isFullQualifiedUrl($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);
+
// Generate GET request header
- $request = 'GET /' . trim($baseUrl) . ' HTTP/1.1' . getConfig('HTTP_EOL');
+ $request = 'GET ' . trim($getUrl) . ' HTTP/1.1' . getConfig('HTTP_EOL');
$request .= 'Host: ' . $host . getConfig('HTTP_EOL');
$request .= 'Referer: ' . getUrl() . '/admin.php' . getConfig('HTTP_EOL');
if (isConfigEntrySet('FULL_VERSION')) {
}
// Send a POST request
-function sendPostRequest ($baseUrl, array $postData, $removeHeader = false) {
+function sendPostRequest ($baseUrl, $requestData, $removeHeader = false) {
+ // Copy baseUrl to getUrl
+ $getUrl = $baseUrl;
+
+ // Do we have http[s]:// in front of the URL?
+ if (isFullQualifiedUrl($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
- $body = http_build_query($postData, '', '&');
+ $body = http_build_query($requestData, '', '&');
// Generate POST request header
- $request = 'POST /' . trim($baseUrl) . ' HTTP/1.0' . getConfig('HTTP_EOL');
+ $request = 'POST ' . trim($baseUrl) . ' HTTP/1.0' . getConfig('HTTP_EOL');
$request .= 'Host: ' . $host . getConfig('HTTP_EOL');
$request .= 'Referer: ' . getUrl() . '/admin.php' . getConfig('HTTP_EOL');
- $request .= 'User-Agent: ' . getTitle() . '/' . getFullVersion() . getConfig('HTTP_EOL');
+ if (isConfigEntrySet('FULL_VERSION')) {
+ $request .= 'User-Agent: ' . getTitle() . '/' . getFullVersion() . getConfig('HTTP_EOL');
+ } else {
+ $request .= 'User-Agent: ' . getTitle() . '/' . getConfig('VERSION') . getConfig('HTTP_EOL');
+ }
$request .= 'Accept: text/plain;q=0.8' . getConfig('HTTP_EOL');
$request .= 'Accept-Charset: UTF-8,*' . getConfig('HTTP_EOL');
- $request .= 'Cache-Control: no-cache' . getConfig('HTTP_EOL');
+ $request .= 'Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0' . getConfig('HTTP_EOL');
$request .= 'Content-Type: application/x-www-form-urlencoded' . getConfig('HTTP_EOL');
$request .= 'Content-Length: ' . strlen($body) . getConfig('HTTP_EOL');
$request .= 'Connection: close' . getConfig('HTTP_EOL');
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
$errno = '0';
$errdesc = '';
// 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');
$resolver = new HostnameResolver();
// Open connection
- //* DEBUG: */ die('baseUrl=' . $baseUrl);
- if ($useProxy === true) {
+ if (isProxyUsed() === true) {
// Resolve hostname into IP address
$ip = $resolver->resolveHostname(compileRawCode(getProxyHost()));
// Connect to host directly
$fp = fsockopen($ip, $port, $errno, $errdesc, 30);
}
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'ip=' . $ip . ',host=' . $host . ',isProxyUsed()=' . intval(isProxyUsed()));
// Is there a link?
if (!is_resource($fp)) {
}
// Do we use proxy?
- if ($useProxy === true) {
+ if (isProxyUsed() === true) {
// Setup proxy tunnel
$response = setupProxyTunnel($host, $port, $fp);
} // END - if
// Add it to response
+ //* DEBUG: */ print 'line='.$line.'<br />';
$response[] = $line;
} // END - while
// 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);
}
// Check array for chuncked encoding
-function unchunkHttpResponse (array $response) {
+function unchunkHttpResponse ($response) {
// Default is not chunked
$isChunked = false;
// Check if we have chunks
foreach ($response as $line) {
// Make lower-case and trim it
- $line = trim(strtolower($line));
+ $line = trim($line);
// Entry found?
- if ((strpos($line, 'transfer-encoding') !== false) && (strpos($line, 'chunked') !== false)) {
+ if ((isInStringIgnoreCase('transfer-encoding', $line)) && (isInStringIgnoreCase('chunked', $line))) {
// Found!
$isChunked = true;
break;
}
// Removes HTTP header lines from a response array (e.g. output from send<Get|Post>Request() )
-function removeHttpHeaderFromResponse (array $response) {
+function removeHttpHeaderFromResponse ($response) {
// Save headers for later usage
$GLOBALS['http_headers'] = array();
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);
+ $GLOBALS['http_header'][] = trim($header);
+}
+
+// Flushes all HTTP headers
+function flushHttpHeaders () {
+ // Is the header already sent?
+ if (headers_sent()) {
+ // Then abort here
+ debug_report_bug(__FUNCTION__, __LINE__, 'Headers already sent!');
+ } // END - if
+
+ // Flush all headers if found
+ if ((isset($GLOBALS['http_header'])) && (is_array($GLOBALS['http_header']))) {
+ foreach ($GLOBALS['http_header'] as $header) {
+ header($header);
+ } // END - foreach
+ } // END - if
+
+ // Mark them as flushed
+ $GLOBALS['http_header'] = array();
+}
+
//-----------------------------------------------------------------------------
// Automatically re-created functions, all taken from user comments on www.php.net
//-----------------------------------------------------------------------------
if (!function_exists('http_build_query')) {
// Taken from documentation on www.php.net, credits to Marco K. (Germany) and some light mods by R.Haeder
- function http_build_query($data, $prefix = '', $sep = '', $key = '') {
+ function http_build_query($requestData, $prefix = '', $sep = '', $key = '') {
$ret = array();
- foreach ((array) $data as $k => $v) {
+ foreach ((array) $requestData as $k => $v) {
if (is_int($k) && $prefix != null) {
$k = urlencode($prefix . $k);
} // END - if