$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: ' . $now);
+ addHttpHeader('Cache-Control: no-store, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0'); // HTTP/1.1
+ addHttpHeader('Pragma: no-cache'); // HTTP/1.0
+ addHttpHeader('Connection: Close');
+ // There shall be no output mode in raw/AJAX mode
+ if ((!isRawOutputMode()) && (!isAjaxOutputMode())) {
+ // Send content-type only in CSS/HTML mode
+ addHttpHeader('Content-Type: ' . getContentType() . '; charset=UTF-8');
+ } else {
+ //
+ } // END - if
+ addHttpHeader('Content-Language: ' . getLanguage());
+}
+
+// Checks wether the URL is full-qualified (http[s]:// + hostname [+ request data])
+function isFullQualifiedUrl ($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
// 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, '', '&');
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
+ 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);
- // Remove http[s]://<hostname> from url
- $getUrl = removeHttpHostNameFromUrl($getUrl);
-
// Generate HEAD request header
$request = 'HEAD ' . trim($getUrl) . ' HTTP/1.1' . getConfig('HTTP_EOL');
$request .= 'Host: ' . $host . getConfig('HTTP_EOL');
// 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);
- // Remove http[s]://<hostname> from url
- $getUrl = removeHttpHostNameFromUrl($getUrl);
-
// Generate GET request header
$request = 'GET ' . trim($getUrl) . ' HTTP/1.1' . getConfig('HTTP_EOL');
$request .= 'Host: ' . $host . getConfig('HTTP_EOL');
// Send a POST request
function sendPostRequest ($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
$body = http_build_query($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 .= 'Host: ' . $host . 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
// 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');
// 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) {
+ 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($response[2]))) {
} // END - if
// Write request
- fwrite($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) {
} // END - if
// Get line from stream
- $line = fgets($fp, 128);
+ $line = fgets($resource, 128);
// Ignore empty lines because of non-blocking mode
if (empty($line)) {
} // END - if
// Add it to response
+ //* DEBUG: */ print 'line='.$line.'<br />';
$response[] = $line;
} // END - while
// Close socket
- fclose($fp);
+ fclose($resource);
// Time request if debug-mode is enabled
if (isDebugModeEnabled()) {
// 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);
}
// 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 .= 'Host: ' . $proxyHost . getConfig('HTTP_EOL');
// Use login data to proxy? (username at least!)
if (getProxyUsername() != '') {
//* 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')) {
// Invalid response!
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
//-----------------------------------------------------------------------------
projects / mailer.git / blobdiff