*
* @author Roland Haeder <webmaster@ship-simu.org>
* @version 3.0.0
- * @copyright Copyright (c) 2009 Cracker Tracker Team
+ * @copyright Copyright (c) 2009 - 2011 Cracker Tracker Team
* @license GNU GPL 3.0 or any newer version
* @link http://www.ship-simu.org
*
} // END - function
} // END - if
-// Getter for ctracker_debug
+// Getter for ctracker_debug_enabled
function isCrackerTrackerDebug () {
// Is it set?
- return ((isset($GLOBALS['ctracker_debug'])) && ($GLOBALS['ctracker_debug'] === true));
+ return ((isset($GLOBALS['ctracker_debug_enabled'])) && ($GLOBALS['ctracker_debug_enabled'] === TRUE));
}
// Determines the real remote address
function determineCrackerTrackerRealRemoteAddress () {
+ // Initial value
+ $address = '0.0.0.0';
+
// Is a proxy in use?
if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
// Proxy was used
- $address = $_SERVER['HTTP_X_FORWARDED_FOR'];
+ $address = trim($_SERVER['HTTP_X_FORWARDED_FOR']);
} elseif (isset($_SERVER['HTTP_CLIENT_IP'])) {
// Yet, another proxy
- $address = $_SERVER['HTTP_CLIENT_IP'];
- } else {
+ $address = trim($_SERVER['HTTP_CLIENT_IP']);
+ } elseif (isset($_SERVER['REMOTE_ADDR'])) {
// The regular address when no proxy was used
- $address = $_SERVER['REMOTE_ADDR'];
+ $address = trim(getenv('REMOTE_ADDR'));
}
- // This strips out the real address from proxy output
- if (strstr($address, ',')) {
+ if ($address == 'unknown') {
+ // Invalid IP somehow given
+ $address = '0.0.0.0';
+ elseif (strstr($address, ',')) {
+ // This strips out the real address from proxy output
$addressArray = explode(',', $address);
$address = $addressArray[0];
- } // END - if
+ }
// Return the result
return $address;
return $proxyUsed;
}
+// Detects the user-agent string
+function crackerTrackerUserAgent () {
+ // Default is 'unknown'
+ $ua = 'unknown';
+
+ // Is the entry there?
+ if (isset($_SERVER['HTTP_USER_AGENT'])) {
+ // Then use it securely
+ $ua = crackerTrackerSecureString($_SERVER['HTTP_USER_AGENT']);
+ } // END - if
+
+ // Return it
+ return $ua;
+}
+
+// Detects the script name
+function crackerTrackerScriptName () {
+ // Is it there?
+ if (!isset($_SERVER['SCRIPT_NAME'])) {
+ // Return NULL
+ return NULL;
+ } // END - if
+
+ // Should always be there!
+ return crackerTrackerSecureString($_SERVER['SCRIPT_NAME']);
+}
+
+// Detects the query string
+function crackerTrackerQueryString () {
+ // Is it there?
+ if (!isset($_SERVER['QUERY_STRING'])) {
+ // Return NULL
+ return NULL;
+ } // END - if
+
+ // Should always be there!
+ return crackerTrackerEscapeString(urldecode($_SERVER['QUERY_STRING']));
+}
+
+// Detects the server's name
+function crackerTrackerServerName () {
+ // Is it there?
+ if (!isset($_SERVER['SERVER_NAME'])) {
+ // Return NULL
+ return NULL;
+ } // END - if
+
+ // Should always be there!
+ return crackerTrackerSecureString($_SERVER['SERVER_NAME']);
+}
+
+// Detects the referer
+function crackerTrackerReferer () {
+ // Default is a dash
+ $referer = '-';
+
+ // Is it there?
+ if (isset($_SERVER['HTTP_REFERER'])) {
+ // Then use it securely
+ $referer = crackerTrackerSecureString(urldecode($_SERVER['HTTP_REFERER']));
+ } // END - if
+
+ // Return it
+ return $referer;
+}
+
+// Detects the scripts path
+function crackerTrackerScriptPath () {
+ // Should always be there!
+ $path = dirname(crackerTrackerScriptName()) . '/';
+
+ // Return detected path
+ return $path;
+}
+
+// Detects wether we have SSL
+function crackerTrackerSecured () {
+ // Detect it
+ $ssl = ((isset($_SERVER['HTTPS'])) && ($_SERVER['HTTPS'] != 'off'));
+
+ // Return result
+ return $ssl;
+}
+
+// Secures a string by escaping it and passing it through strip_tags,htmlentities-chain
+function crackerTrackerSecureString ($str) {
+ // First escape it
+ $str = crackerTrackerEscapeString($str);
+
+ // Then pass it through the functions
+ $str = htmlentities(strip_tags($str), ENT_QUOTES);
+
+ // Return it
+ return $str;
+}
+
+// Is the file there and readable?
+function isCrackerTrackerFileFound ($FQFN) {
+ // Simply check it
+ return ((file_exists($FQFN)) && (is_readable($FQFN)));
+}
+
+// Loads a given "template" (this is more an include file)
+function crackerTrackerLoadTemplate ($template) {
+ // Create the full-qualified filename (FQFN)
+ $FQFN = sprintf('%s/templates/%s.tpl.php',
+ dirname(__FILE__),
+ $template
+ );
+
+ // Is this template found?
+ if (isCrackerTrackerFileFound($FQFN)) {
+ // Detect language
+ crackerTrackerLanguage();
+
+ // Load it
+ require_once($FQFN);
+ } else {
+ // Not found, so die here
+ crackerTrackerDie();
+ }
+}
+
+// Loads a given "template" (this is more an include file)
+function crackerTrackerLoadLocalizedTemplate ($template) {
+ // Create the full-qualified filename (FQFN)
+ $FQFN = sprintf('%s/templates/%s/%s.tpl.php',
+ dirname(__FILE__),
+ getCrackerTrackerLanguage(),
+ $template
+ );
+
+ // Is this template found?
+ if (isCrackerTrackerFileFound($FQFN)) {
+ // Load it
+ require_once($FQFN);
+ } else {
+ // Not found, so die here
+ crackerTrackerDie();
+ }
+}
+
+// Detects the browser's language file and tries to load it, fall-back on english!
+function crackerTrackerLanguage () {
+ // Default is English
+ $GLOBALS['ctracker_language'] = 'en';
+ $weight = 1;
+
+ // Is the language string there?
+ if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
+ // Then detect it
+ foreach (explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']) as $lang) {
+ // Split it again for q=x.x value
+ $langArray = explode(';', $lang);
+
+ // If there is an entry, we have a weight
+ if ((isset($langArray[1])) && ($langArray[1] > $weight)) {
+ // Use this language/weight instead
+ $GLOBALS['ctracker_language'] = $langArray[0];
+ $weight = $langArray[1];
+ } // END - if
+ } // END - foreach
+ } // END - if
+
+ // Construct FQFN
+ $FQFN = sprintf('%s/language/%s.php',
+ dirname(__FILE__),
+ getCrackerTrackerLanguage()
+ );
+
+ // Is it not there, switch to "en"
+ if ((getCrackerTrackerLanguage() != 'en') && (!isCrackerTrackerFileFound($FQFN))) {
+ // English is default!
+ $GLOBALS['ctracker_language'] = 'en';
+
+ // Construct FQFN again
+ $FQFN = sprintf('%s/language/en.php', dirname(__FILE__));
+ } // END - if
+
+ // Load the language file
+ require($FQFN);
+}
+
+// Loads a given email template and passes through $content
+function crackerTrackerLoadEmailTemplate ($template, array $content = array(), $language = NULL) {
+ // Init language
+ crackerTrackerLanguage();
+
+ // Generate the FQFN
+ $FQFN = sprintf('%s/mails/%s/%s.tpl',
+ dirname(__FILE__),
+ getCrackerTrackerLanguage($language),
+ $template
+ );
+
+ // So is the file there?
+ if (isCrackerTrackerFileFound($FQFN)) {
+ // Init result
+ $result = 'No result from template ' . $template . '. Please report this at http://forum.ship-simu.org Thank you.';
+
+ // Then load it
+ eval('$result = "' . crackerTrackerCompileCode(file_get_contents($FQFN)) . '";');
+
+ // Return the result
+ return $result;
+ } else {
+ // Not found
+ crackerTrackerDie();
+ }
+}
+
+// Getter for message
+function getCrackerTrackerLocalized ($message) {
+ // Default message
+ $output = '!' . $message . '!';
+
+ // Is the language string there?
+ if (isset($GLOBALS['ctracker_localized'][$message])) {
+ // Use this instead
+ $output = $GLOBALS['ctracker_localized'][$message];
+ } // END - if
+
+ // Return it
+ return $output;
+}
+
+// Tries to find a message and outputs it
+function crackerTrackerOutputLocalized ($message) {
+ // Output it
+ print getCrackerTrackerLocalized($message);
+}
+
+// Compiles the given code
+function crackerTrackerCompileCode ($code) {
+ // Find all $content[foo]
+ preg_match_all('/\$(content|GLOBALS)((\[([a-zA-Z0-9-_]+)\])*)/', $code, $matches);
+
+ // Replace " with {QUOTE}
+ $code = str_replace('"', '{QUOTE}', $code);
+
+ // Replace all
+ foreach ($matches[0] as $key=>$match) {
+ // Replace it
+ if (substr($match, 0, 8) == '$GLOBALS') {
+ // $GLOBALS
+ $code = str_replace($match, "\" . \$GLOBALS['" . $matches[4][$key] . "'] . \"", $code);
+ } elseif (substr($match, 0, 8) == '$content') {
+ // $content
+ $code = str_replace($match, "\" . \$content['" . $matches[4][$key] . "'] . \"", $code);
+ }
+ } // END - foreach
+
+ // Return it
+ return $code;
+}
+
+// "Getter" for language
+function getCrackerTrackerLanguage ($lang = NULL) {
+ // Default is from browser
+ $language = $GLOBALS['ctracker_language'];
+
+ // Is $lang set?
+ if (!is_null($lang)) {
+ // Then use this instead
+ $language = $lang;
+ } // END - if
+
+ // Return it
+ return $language;
+}
+
+// "Getter" for ticket id
+function getCrackerTrackerTicketId () {
+ // Default is zero
+ $id = 0;
+
+ // Is it set?
+ if (isset($GLOBALS['ctracker_last_ticket']['ctracker_ticket'])) {
+ // Then use it
+ $id = $GLOBALS['ctracker_last_ticket']['ctracker_ticket'];
+ } // END - if
+
+ // Return the number
+ return $id;
+}
+
+// Sends a cookie to the user that he would not see this security warning again
+function sendCrackerTrackerCookie () {
+ // Set the cookie
+ // @TODO Why can't domain be set to value from crackerTrackerServerName() ?
+ setcookie('ctracker_ticket', getCrackerTrackerTicketId(), (time() + 60*60*24), '/', '', crackerTrackerSecured(), TRUE);
+ $_COOKIE['ctracker_ticket'] = getCrackerTrackerTicketId();
+}
+
+// Is the cookie set?
+function ifCrackerTrackerCookieIsSet () {
+ // Is it set and valid?
+ return ((isset($_COOKIE['ctracker_ticket'])) && ($_COOKIE['ctracker_ticket'] > 0));
+}
+
+// Redirects to the same URL
+function crackerTrackerRedirectSameUrl () {
+ // Construct the url
+ $url = '://' . crackerTrackerServerName() . crackerTrackerScriptName() . '?' . crackerTrackerQueryString();
+
+ // Do we have SSL?
+ if (crackerTrackerSecured()) {
+ // HTTPS
+ $url = 'https' . $url;
+ } else {
+ // HTTP
+ $url = 'http' . $url;
+ }
+
+ // And redirect
+ crackerTrackerSendRawRedirect($url);
+}
+
+/**
+ * Send a HTTP redirect to the browser. This function was taken from DokuWiki
+ * (GNU GPL 2; http://www.dokuwiki.org) and modified to fit into this script.
+ *
+ * Works arround Microsoft IIS cookie sending bug. Does exit the script.
+ *
+ * @link http://support.microsoft.com/kb/q176113/
+ * @author Andreas Gohr <andi@splitbrain.org>
+ * @access private
+ */
+function crackerTrackerSendRawRedirect ($url) {
+ // Better remove any data by ctracker
+ unsetCtrackerData();
+
+ // always close the session
+ session_write_close();
+
+ // Revert entity &
+ $url = str_replace('&', '&', $url);
+
+ // check if running on IIS < 6 with CGI-PHP
+ if ((isset($_SERVER['SERVER_SOFTWARE'])) && (isset($_SERVER['GATEWAY_INTERFACE'])) &&
+ (strpos($_SERVER['GATEWAY_INTERFACE'],'CGI') !== FALSE) &&
+ (preg_match('|^Microsoft-IIS/(\d)\.\d$|', trim($_SERVER['SERVER_SOFTWARE']), $matches)) &&
+ ($matches[1] < 6)) {
+ // Send the IIS header
+ header('Refresh: 0;url=' . $url);
+ } else {
+ // Send generic header
+ header('Location: ' . $url);
+ }
+ exit();
+}
+
+// Removes all ctracker-related data from global space
+function unsetCtrackerData () {
+ // Unset all ctracker data
+ foreach (array(
+ 'ctracker_host',
+ 'ctracker_dbname',
+ 'ctracker_user',
+ 'ctracker_password',
+ 'ctracker_debug_enabled',
+ 'ctracker_email',
+ 'ctracker_whitelist',
+ 'ctracker_get_blacklist',
+ 'ctracker_post_blacklist',
+ 'ctracker_header',
+ 'ctracker_post_track',
+ 'ctracker_checkworm',
+ 'ctracker_check_post',
+ 'ctracker_last_sql',
+ 'ctracker_last_result',
+ 'ctracker_config',
+ 'ctracker_updates',
+ 'ctracker_language',
+ 'ctracker_localized',
+ 'ctracker_link',
+ ) as $key) {
+ // Unset it
+ unset($GLOBALS[$key]);
+ } // END - foreach
+}
+
// [EOF]
?>