X-Git-Url: https://git.mxchange.org/?p=mailer.git;a=blobdiff_plain;f=inc%2Fhttp-functions.php;h=5715c6edd0a5c48967b7ccd9abb6c0402f55c1aa;hp=5e7aefa5718f0ed991119f0004c3d8820576f9aa;hb=8fad776382e63b3f73f8dbe289f229d79cfc2c22;hpb=c5fcebd3d76023296ffc643be8736ac5a9c3dbb6 diff --git a/inc/http-functions.php b/inc/http-functions.php index 5e7aefa571..5715c6edd0 100644 --- a/inc/http-functions.php +++ b/inc/http-functions.php @@ -16,8 +16,8 @@ * $Author:: $ * * -------------------------------------------------------------------- * * Copyright (c) 2003 - 2009 by Roland Haeder * - * Copyright (c) 2009 - 2011 by Mailer Developer Team * - * For more information visit: http://www.mxchange.org * + * 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 * * it under the terms of the GNU General Public License as published by * @@ -40,36 +40,73 @@ 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: ' . $now); + addHttpHeader('Cache-Control: no-store, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0'); // HTTP/1.1 + addHttpHeader('Pragma: no-cache'); // HTTP/1.0 + addHttpHeader('Connection: Close'); + + // There shall be no output mode in raw output-mode + if (!isRawOutputMode()) { + // Send content-type not in raw output-mode + addHttpHeader('Content-Type: ' . getContentType() . '; charset=UTF-8'); + } // END - if + + // Add language + addHttpHeader('Content-Language: ' . getLanguage()); } -// Send a GET request -function sendGetRequest ($baseUrl, $data = array(), $removeHeader = false) { - // Extract hostname and port from script - $host = extractHostnameFromUrl($baseUrl); +// 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 +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) { + // Is there a question-mark in the script? + if (!isInString('?', $baseUrl)) { // No, so first char must be question mark $body = '?' . $body; } else { @@ -78,16 +115,120 @@ function sendGetRequest ($baseUrl, $data = array(), $removeHeader = false) { } // 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 $getUrl; +} + +// Removes http[s]:// from given url +function removeHttpHostNameFromUrl ($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 + 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]:// 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 ' . (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')) { + $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, $requestData); + + // Is there http[s]:// in front of the URL? + if (isFullQualifiedUrl($getUrl)) { + // Remove http[s]:// 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 ' . (isProxyUsed() === true ? $baseUrl : '') . trim($getUrl) . ' HTTP/1.1' . getConfig('HTTP_EOL'); $request .= 'Host: ' . $host . getConfig('HTTP_EOL'); $request .= 'Referer: ' . getUrl() . '/admin.php' . getConfig('HTTP_EOL'); if (isConfigEntrySet('FULL_VERSION')) { @@ -114,22 +255,38 @@ function sendGetRequest ($baseUrl, $data = array(), $removeHeader = false) { return $response; } -// Send a POST request -function sendPostRequest ($baseUrl, array $postData, $removeHeader = false) { +// Send a POST request, sometimes even POST requests have no parameters +function sendPostRequest ($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]:// 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 ' . (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'); - $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'); $request .= 'Connection: close' . getConfig('HTTP_EOL'); @@ -151,8 +308,9 @@ function sendPostRequest ($baseUrl, array $postData, $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=
'.$request.'
'); // Init errno and errdesc with 'all fine' values $errno = '0'; $errdesc = ''; @@ -163,18 +321,9 @@ function sendRawRequest ($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 - $useProxy = true; - } // END - if - // Load include loadIncludeOnce('inc/classes/resolver.class.php'); @@ -186,43 +335,46 @@ function sendRawRequest ($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 - //* DEBUG: */ die('baseUrl=' . $baseUrl); - if ($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($response[2]))) { @@ -233,15 +385,15 @@ function sendRawRequest ($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) - $start) > 15) { @@ -253,7 +405,7 @@ function sendRawRequest ($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($line)) { @@ -271,11 +423,12 @@ function sendRawRequest ($host, $request) { } // END - if // Add it to response - $response[] = $line; + //* DEBUG: */ print 'line='.$line.'
'; + array_push($response, $line); } // END - while // Close socket - fclose($fp); + fclose($resource); // Time request if debug-mode is enabled if (isDebugModeEnabled()) { @@ -307,7 +460,7 @@ function sendRawRequest ($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); @@ -328,13 +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'); + $proxyTunnel .= 'Proxy-Connection: Keep-Alive' . getConfig('HTTP_EOL'); // Use login data to proxy? (username at least!) if (getProxyUsername() != '') { @@ -348,18 +502,18 @@ function setupProxyTunnel ($host, $port, $resource) { //* DEBUG: */ debugOutput('proxyTunnel=
' . $proxyTunnel.'
'); // Write request - fwrite($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 $response; } // END - if @@ -369,17 +523,17 @@ function setupProxyTunnel ($host, $port, $resource) { } // 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; @@ -397,7 +551,7 @@ function unchunkHttpResponse (array $response) { //* DEBUG: */ die('tempResponse['.strlen($tempResponse).']=
'.replaceReturnNewLine(htmlentities($tempResponse)).'
'); // 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 @@ -405,7 +559,7 @@ function unchunkHttpResponse (array $response) { } // Removes HTTP header lines from a response array (e.g. output from sendRequest() ) -function removeHttpHeaderFromResponse (array $response) { +function removeHttpHeaderFromResponse ($response) { // Save headers for later usage $GLOBALS['http_headers'] = array(); @@ -418,7 +572,7 @@ function removeHttpHeaderFromResponse (array $response) { array_shift($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); @@ -447,15 +601,82 @@ 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 + $GLOBALS['http_header'] = array(); +} + //----------------------------------------------------------------------------- // Automatically re-created functions, all taken from user comments on www.php.net //----------------------------------------------------------------------------- if (!function_exists('http_build_query')) { // Taken from documentation on www.php.net, credits to Marco K. (Germany) and some light mods by R.Haeder - function http_build_query($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 @@ -484,7 +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 $chunk wasn't encoded properly reportBug() is being called * @author Marques Johansson (initial author) * @author Roland Haeder (heavy modifications and simplification) * @link http://php.net/manual/en/function.http-chunked-decode.php#89786 @@ -523,7 +744,7 @@ next[offset,10]=
'.replaceReturnNewLine(htmlentities(call_user_func_array($m
 			if (!isHexadecimal($chunkLenHex)) {
 				// Please help debugging this
 				//* DEBUG: */ die('ABORT:chunkLenHex=
'.replaceReturnNewLine(htmlentities($chunkLenHex)).'
'); - 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 $chunk; @@ -597,5 +818,44 @@ next[100]=
'.replaceReturnNewLine(htmlentities(call_user_func_array($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]
 ?>