X-Git-Url: https://git.mxchange.org/?p=mailer.git;a=blobdiff_plain;f=inc%2Ffunctions.php;h=119c23891de8d87676deec8a70a5d493a2f3a2ee;hp=79e5d8d5a7541f79bae4a3cc289f8032a9a5e27d;hb=7360c219f5623e5689deba8805b49dbba6c3bc2a;hpb=20cff9828debc7f67cda7d4c32a0314aae26b793 diff --git a/inc/functions.php b/inc/functions.php index 79e5d8d5a7..119c23891d 100644 --- a/inc/functions.php +++ b/inc/functions.php @@ -40,24 +40,6 @@ if (!defined('__SECURITY')) { die(); } // END - if -// 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()); - - // 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()); -} - // Init fatal message array function initFatalMessages () { $GLOBALS['fatal_messages'] = array(); @@ -842,377 +824,6 @@ function extractHostnameFromUrl (&$script) { return $host; } -// Send a GET request -function sendGetRequest ($script, $data = array(), $removeHeader = false) { - // Extract hostname and port from script - $host = extractHostnameFromUrl($script); - - // Add data - $body = http_build_query($data, '', '&'); - - // There should be data, else we don't need to extend $script with $body - if (!empty($body)) { - // Do we have a question-mark in the script? - if (strpos($script, '?') === false) { - // No, so first char must be question mark - $body = '?' . $body; - } else { - // Ok, add & - $body = '&' . $body; - } - - // Add script data - $script .= $body; - - // Remove trailed & to make it more conform - if (substr($script, -1, 1) == '&') { - $script = substr($script, 0, -1); - } // END - if - } // END - if - - // Generate GET request header - $request = 'GET /' . trim($script) . ' 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, $request); - - // Should we remove header lines? - if ($removeHeader === true) { - // Okay, remove them - $response = removeHttpHeaderFromResponse($response); - } // END - if - - // Return the result to the caller function - return $response; -} - -// Send a POST request -function sendPostRequest ($script, array $postData, $removeHeader = false) { - // Extract host name from script - $host = extractHostnameFromUrl($script); - - // Construct request body - $body = http_build_query($postData, '', '&'); - - // Generate POST request header - $request = 'POST /' . trim($script) . ' 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'); - $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 .= 'Content-Type: application/x-www-form-urlencoded' . getConfig('HTTP_EOL'); - $request .= 'Content-Length: ' . strlen($body) . getConfig('HTTP_EOL'); - $request .= 'Connection: close' . getConfig('HTTP_EOL'); - $request .= getConfig('HTTP_EOL'); - - // Add body - $request .= $body; - - // Send the raw request - $response = sendRawRequest($host, $request); - - // Should we remove header lines? - if ($removeHeader === true) { - // Okay, remove them - $response = removeHttpHeaderFromResponse($response); - } // END - if - - // Return the result to the caller function - return $response; -} - -// Sends a raw request to another host -function sendRawRequest ($host, $request) { - // Init errno and errdesc with 'all fine' values - $errno = '0'; - $errdesc = ''; - - // Default port is 80 - $port = 80; - - // Initialize array - $response = array('', '', ''); - - // Default is not to use proxy - $useProxy = false; - - // Are proxy settins set? - if (isProxyUsed()) { - // Then use it - $useProxy = true; - } // END - if - - // Load include - loadIncludeOnce('inc/classes/resolver.class.php'); - - // Extract port part from host - $portArray = explode(':', $host); - if (count($portArray) == 2) { - // Extract host and port - $host = $portArray[0]; - $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.'); - } - - // Get resolver instance - $resolver = new HostnameResolver(); - - // Open connection - //* DEBUG: */ die('SCRIPT=' . $script); - if ($useProxy === true) { - // Resolve hostname into IP address - $ip = $resolver->resolveHostname(compileRawCode(getProxyHost())); - - // Connect to host through proxy connection - $fp = fsockopen($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, $errdesc, 30); - } - - // Is there a link? - if (!is_resource($fp)) { - // Failed! - logDebugMessage(__FUNCTION__, __LINE__, $errdesc . ' (' . $errno . ')'); - return $response; - } elseif ((!stream_set_blocking($fp, 0)) || (!stream_set_timeout($fp, 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) { - // Setup proxy tunnel - $response = setupProxyTunnel($host, $port, $fp); - - // If the response is invalid, abort - if ((count($response) == 3) && (empty($response[0])) && (empty($response[1])) && (empty($response[2]))) { - // Invalid response! - logDebugMessage(__FUNCTION__, __LINE__, 'Proxy tunnel not working?'); - return $response; - } // END - if - } // END - if - - // Write request - fwrite($fp, $request); - - // Start counting - $start = microtime(true); - - // Read response - while (!feof($fp)) { - // Get info from stream - $info = stream_get_meta_data($fp); - - // Is it timed out? 15 seconds is a really patient... - if (($info['timed_out'] == true) || (microtime(true) - $start) > 15) { - // Timeout - logDebugMessage(__FUNCTION__, __LINE__, 'Timed out to get data from host ' . $host); - - // Abort here - break; - } // END - if - - // Get line from stream - $line = fgets($fp, 128); - - // Ignore empty lines because of non-blocking mode - if (empty($line)) { - // uslepp a little to avoid 100% CPU load - usleep(10); - - // Skip this - continue; - } // END - if - - // Add it to response - $response[] = $line; - } // END - while - - // Close socket - fclose($fp); - - // Time request if debug-mode is enabled - if (isDebugModeEnabled()) { - // Add debug message... - logDebugMessage(__FUNCTION__, __LINE__, 'Request took ' . (microtime(true) - $start) . ' seconds and returned ' . count($response) . ' line(s).'); - } // END - if - - // Skip first empty lines - $resp = $response; - foreach ($resp as $idx => $line) { - // Trim space away - $line = trim($line); - - // Is this line empty? - if (empty($line)) { - // Then remove it - array_shift($response); - } else { - // Abort on first non-empty line - break; - } - } // END - foreach - - //* DEBUG: */ debugOutput('Request:
'.print_r($request, true).''); - //* DEBUG: */ debugOutput('Response:
'.print_r($response, true).''); - - // Proxy agent found or something went wrong? - if (!isset($response[0])) { - // 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') && ($useProxy === true)) { - // Proxy header detected, so remove two lines - array_shift($response); - array_shift($response); - } // END - if - - // Was the request successfull? - if ((!isInStringIgnoreCase('200 OK', $response[0])) || (empty($response[0]))) { - // Not found / access forbidden - logDebugMessage(__FUNCTION__, __LINE__, 'Unexpected status code ' . $response[0] . ' detected. "200 OK" was expected.'); - $response = array('', '', ''); - } else { - // Check array for chuncked encoding - $response = unchunkHttpResponse($response); - } // END - if - - // Return response - return $response; -} - -// Sets up a proxy tunnel for given hostname and through resource -function setupProxyTunnel ($host, $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'); - - // Use login data to proxy? (username at least!) - if (getProxyUsername() != '') { - // Add it as well - $encodedAuth = base64_encode(compileRawCode(getProxyUsername()) . ':' . compileRawCode(getProxyPassword())); - $proxyTunnel .= 'Proxy-Authorization: Basic ' . $encodedAuth . getConfig('HTTP_EOL'); - } // END - if - - // Add last new-line - $proxyTunnel .= getConfig('HTTP_EOL'); - //* DEBUG: */ debugOutput('proxyTunnel=
' . $proxyTunnel.''); - - // Write request - fwrite($fp, $proxyTunnel); - - // Got response? - if (feof($fp)) { - // No response received - return $response; - } // END - if - - // Read the first line - $resp = trim(fgets($fp, 10240)); - $respArray = explode(' ', $resp); - if ((strtolower($respArray[0]) !== 'http/1.0') || ($respArray[1] != '200')) { - // Invalid response! - return $response; - } // END - if - - // All fine! - return $respArray; -} - -// Check array for chuncked encoding -function unchunkHttpResponse (array $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)); - - // Entry found? - if ((strpos($line, 'transfer-encoding') !== false) && (strpos($line, 'chunked') !== false)) { - // Found! - $isChunked = true; - break; - } // END - if - } // END - foreach - - // Is it chunked? - if ($isChunked === true) { - // Good, we still have the HTTP headers in there, so we need to get rid - // of them temporarly - //* DEBUG: */ die('
'.htmlentities(print_r(removeHttpHeaderFromResponse($response), true)).''); - $tempResponse = http_chunked_decode(implode('', removeHttpHeaderFromResponse($response))); - - // We got a string back from http_chunked_decode(), so we need to convert it back to an array - //* DEBUG: */ die('tempResponse['.strlen($tempResponse).']=
'.replaceReturnNewLine(htmlentities($tempResponse)).''); - - // Re-add the headers - $response = merge_array($GLOBALS['http_headers'], stringToArray("\n", $tempResponse)); - } // END - if - - // Return the unchunked array - return $response; -} - -// Removes HTTP header lines from a response array (e.g. output from send
'.replaceReturnNewLine(htmlentities(mb_substr($chunk, $offset, 10))).''; - /* DEBUG: */ - - // Get next hex-coded chunk length - $chunkLenHex = mb_substr($chunk, $offset, ($lineEndAt - $offset)); - - /* DEBUG: * - print 'chunkLenHex['.__LINE__.']='.replaceReturnNewLine(htmlentities($chunkLenHex)).'
'.replaceReturnNewLine(htmlentities($chunkLenHex)).''); - debug_report_bug(__FUNCTION__, __LINE__, 'Value ' . $chunkLenHex . ' is not properly chunk encoded.'); - - // This won't be reached - return $chunk; - } // END - if - - // Position of next chunk is right after \r\n - $offset = $offset + strlen($chunkLenHex) + strlen(getConfig('HTTP_EOL')); - $chunkLen = hexdec(rtrim($chunkLenHex, getConfig('HTTP_EOL'))); - - /* DEBUG: * - print 'chunkLen='.$chunkLen.'
'.replaceReturnNewLine(htmlentities($next)).''; - - // Count occurrences of \r\n - $count = mb_substr_count($next, getConfig('HTTP_EOL')); - - // Correct it because we need to subtract occurrences of \r\n - $chunkLen = hexdec(rtrim($chunkLenHex, getConfig('HTTP_EOL'))) - ($count * strlen(getConfig('HTTP_EOL'))); - - $dechunk .= mb_substr($chunk, $offset, $chunkLen); - - /* DEBUG: * - print('offset['.__LINE__.']='.$offset.'
'.replaceReturnNewLine(htmlentities($dechunk)).'-chunk=
'.replaceReturnNewLine(htmlentities($chunk)).''); - /* DEBUG: */ - - // Is $offset + $chunkLen larger than or equal $len? - if (($offset + $chunkLen) >= $len) { - // Then stop processing here - break; - } // END - if - - // Calculate next offset of chunk - $offset = mb_strpos($chunk, getConfig('HTTP_EOL'), $offset + $chunkLen) + 2; - - /* DEBUG: * - print('offset['.__LINE__.']='.$offset.'
'.replaceReturnNewLine(htmlentities(mb_substr($chunk, $offset, 100))).'----:---:---:---:---:---:---:---:---