2 /************************************************************************
3 * Mailer v0.2.1-FINAL Start: 04/04/2009 *
4 * =================== Last change: 04/04/2009 *
6 * -------------------------------------------------------------------- *
7 * File : wrapper-functions.php *
8 * -------------------------------------------------------------------- *
9 * Short description : Wrapper functions *
10 * -------------------------------------------------------------------- *
11 * Kurzbeschreibung : Wrapper-Funktionen *
12 * -------------------------------------------------------------------- *
15 * $Tag:: 0.2.1-FINAL $ *
17 * Needs to be in all Files and every File needs "svn propset *
18 * svn:keywords Date Revision" (autoprobset!) at least!!!!!! *
19 * -------------------------------------------------------------------- *
20 * Copyright (c) 2003 - 2009 by Roland Haeder *
21 * For more information visit: http://www.mxchange.org *
23 * This program is free software; you can redistribute it and/or modify *
24 * it under the terms of the GNU General Public License as published by *
25 * the Free Software Foundation; either version 2 of the License, or *
26 * (at your option) any later version. *
28 * This program is distributed in the hope that it will be useful, *
29 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
30 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
31 * GNU General Public License for more details. *
33 * You should have received a copy of the GNU General Public License *
34 * along with this program; if not, write to the Free Software *
35 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, *
37 ************************************************************************/
39 // Some security stuff...
40 if (!defined('__SECURITY')) {
45 function readFromFile ($FQFN, $sqlPrepare = false) {
46 // Sanity-check if file is there (should be there, but just to make it sure)
47 if (!isFileReadable($FQFN)) {
48 // This should not happen
49 debug_report_bug(__FUNCTION__.': File ' . basename($FQFN) . ' is not readable!');
53 if (function_exists('file_get_contents')) {
55 $content = file_get_contents($FQFN);
57 // Fall-back to implode-file chain
58 $content = implode('', file($FQFN));
61 // Prepare SQL queries?
62 if ($sqlPrepare === true) {
63 // Remove some unwanted chars
64 $content = str_replace("\r", '', $content);
65 $content = str_replace("\n\n", "\n", $content);
72 // Writes content to a file
73 function writeToFile ($FQFN, $content, $aquireLock = false) {
74 // Is the file writeable?
75 if ((isFileReadable($FQFN)) && (!is_writeable($FQFN)) && (!changeMode($FQFN, 0644))) {
77 logDebugMessage(__FUNCTION__, __LINE__, sprintf("File %s not writeable.", basename($FQFN)));
83 // By default all is failed...
86 // Is the function there?
87 if (function_exists('file_put_contents')) {
89 if ($aquireLock === true) {
90 // Write it directly with lock
91 $return = file_put_contents($FQFN, $content, LOCK_EX);
94 $return = file_put_contents($FQFN, $content);
97 // Write it with fopen
98 $fp = fopen($FQFN, 'w') or app_die(__FUNCTION__, __LINE__, "Cannot write file ".basename($FQFN).'!');
101 if ($aquireLock === true) flock($fp, LOCK_EX);
104 fwrite($fp, $content);
110 // Mark it as readable
111 $GLOBALS['file_readable'][$FQFN] = true;
114 return changeMode($FQFN, 0644);
117 // Clears the output buffer. This function does *NOT* backup sent content.
118 function clearOutputBuffer () {
119 // Trigger an error on failure
120 if (!ob_end_clean()) {
122 debug_report_bug(__FUNCTION__.': Failed to clean output buffer.');
127 // @TODO Implement $compress
128 function encodeString ($str, $compress = true) {
129 $str = urlencode(base64_encode(compileUriCode($str)));
133 // Decode strings encoded with encodeString()
134 // @TODO Implement $decompress
135 function decodeString ($str, $decompress = true) {
136 $str = compileUriCode(base64_decode(urldecode(compileUriCode($str))));
140 // Decode entities in a nicer way
141 function decodeEntities ($str, $quote = ENT_NOQUOTES) {
142 // Decode the entities to UTF-8 now
143 $decodedString = html_entity_decode($str, $quote, 'UTF-8');
145 // Return decoded string
146 return $decodedString;
149 // Merges an array together but only if both are arrays
150 function merge_array ($array1, $array2) {
151 // Are both an array?
152 if ((!is_array($array1)) && (!is_array($array2))) {
153 // Both are not arrays
154 debug_report_bug(__FUNCTION__ . ': No arrays provided!');
155 } elseif (!is_array($array1)) {
156 // Left one is not an array
157 debug_report_bug(sprintf("[%s:%s] array1 is not an array. array != %s", __FUNCTION__, __LINE__, gettype($array1)));
158 } elseif (!is_array($array2)) {
159 // Right one is not an array
160 debug_report_bug(sprintf("[%s:%s] array2 is not an array. array != %s", __FUNCTION__, __LINE__, gettype($array2)));
163 // Merge all together
164 return array_merge($array1, $array2);
167 // Check if given FQFN is a readable file
168 function isFileReadable ($FQFN) {
170 if (!isset($GLOBALS['file_readable'][$FQFN])) {
172 $GLOBALS['file_readable'][$FQFN] = ((file_exists($FQFN)) && (is_file($FQFN)) && (is_readable($FQFN)));
176 return $GLOBALS['file_readable'][$FQFN];
179 // Checks wether the given FQFN is a directory and not ., .. or .svn
180 function isDirectory ($FQFN) {
182 if (!isset($GLOBALS['is_directory'][$FQFN])) {
184 $baseName = basename($FQFN);
187 $GLOBALS['is_directory'][$FQFN] = ((is_dir($FQFN)) && ($baseName != '.') && ($baseName != '..') && ($baseName != '.svn'));
191 return $GLOBALS['is_directory'][$FQFN];
194 // "Getter" for remote IP number
195 function detectRemoteAddr () {
196 // Get remote ip from environment
197 $remoteAddr = determineRealRemoteAddress();
199 // Is removeip installed?
200 if (isExtensionActive('removeip')) {
202 $remoteAddr = getAnonymousRemoteAddress($remoteAddr);
209 // "Getter" for remote hostname
210 function detectRemoteHostname () {
211 // Get remote ip from environment
212 $remoteHost = getenv('REMOTE_HOST');
214 // Is removeip installed?
215 if (isExtensionActive('removeip')) {
217 $remoteHost = getAnonymousRemoteHost($remoteHost);
224 // "Getter" for user agent
225 function detectUserAgent ($alwaysReal = false) {
226 // Get remote ip from environment
227 $userAgent = getenv('HTTP_USER_AGENT');
229 // Is removeip installed?
230 if ((isExtensionActive('removeip')) && ($alwaysReal === false)) {
232 $userAgent = getAnonymousUserAgent($userAgent);
239 // "Getter" for referer
240 function detectReferer () {
241 // Get remote ip from environment
242 $referer = getenv('HTTP_REFERER');
244 // Is removeip installed?
245 if (isExtensionActive('removeip')) {
247 $referer = getAnonymousReferer($referer);
254 // "Getter" for request URI
255 function detectRequestUri () {
257 return (getenv('REQUEST_URI'));
260 // Check wether we are installing
261 function isInstalling () {
262 // Determine wether we are installing
263 if (!isset($GLOBALS['mxchange_installing'])) {
264 // Check URL (css.php/js.php need this)
265 $GLOBALS['mxchange_installing'] = isGetRequestElementSet('installing');
269 return $GLOBALS['mxchange_installing'];
272 // Check wether this script is installed
273 function isInstalled () {
275 if (!isset($GLOBALS['is_installed'])) {
276 // Determine wether this script is installed
277 $GLOBALS['is_installed'] = (
282 isConfigEntrySet('MXCHANGE_INSTALLED')
284 getConfig('MXCHANGE_INSTALLED') == 'Y'
288 // New config file found and loaded
289 isIncludeReadable(getConfig('CACHE_PATH') . 'config-local.php')
292 // New config file found, but not yet read
293 isIncludeReadable(getConfig('CACHE_PATH') . 'config-local.php')
296 // Only new config file is found
297 !isIncludeReadable('inc/config.php')
299 // Is installation mode
306 // Then use the cache
307 return $GLOBALS['is_installed'];
310 // Check wether an admin is registered
311 function isAdminRegistered () {
312 return ((isConfigEntrySet('ADMIN_REGISTERED')) && (getConfig('ADMIN_REGISTERED') == 'Y'));
315 // Checks wether the reset mode is active
316 function isResetModeEnabled () {
317 // Now simply check it
318 return ((isset($GLOBALS['reset_enabled'])) && ($GLOBALS['reset_enabled'] === true));
321 // Checks wether the debug mode is enabled
322 function isDebugModeEnabled () {
324 return ((isConfigEntrySet('DEBUG_MODE')) && (getConfig('DEBUG_MODE') == 'Y'));
327 // Checks wether we shall debug regular expressions
328 function isDebugRegExpressionEnabled () {
330 return ((isConfigEntrySet('DEBUG_REGEX')) && (getConfig('DEBUG_REGEX') == 'Y'));
333 // Checks wether the cache instance is valid
334 function isCacheInstanceValid () {
335 return ((isset($GLOBALS['cache_instance'])) && (is_object($GLOBALS['cache_instance'])));
338 // Copies a file from source to destination and verifies if that goes fine.
339 // This function should wrap the copy() command and make a nicer debug backtrace
340 // even if there is no xdebug extension installed.
341 function copyFileVerified ($source, $dest, $chmod = '') {
342 // Failed is the default
345 // Is the source file there?
346 if (!isFileReadable($source)) {
348 debug_report_bug('Cannot read from source file ' . basename($source) . '.');
351 // Is the target directory there?
352 if (!isDirectory(dirname($dest))) {
354 debug_report_bug('Cannot find directory ' . str_replace(getConfig('PATH'), '', dirname($dest)) . '.');
357 // Now try to copy it
358 if (!copy($source, $dest)) {
359 // Something went wrong
360 debug_report_bug('copy() has failed to copy the file.');
363 $GLOBALS['file_readable'][$dest] = true;
366 // If there are chmod rights set, apply them
367 if (!empty($chmod)) {
369 $status = changeMode($dest, $chmod);
379 // Wrapper function for header()
380 // Send a header but checks before if we can do so
381 function sendHeader ($header) {
382 // Is the header already sent?
383 if (headers_sent()) {
385 debug_report_bug('Headers already sent!');
389 header(trim($header));
392 // Wrapper function for chmod()
393 // @TODO Do some more sanity check here
394 function changeMode ($FQFN, $mode) {
395 // Is the file/directory there?
396 if ((!isFileReadable($FQFN)) && (!isDirectory($FQFN))) {
397 // Neither, so abort here
398 debug_report_bug('Cannot chmod() on ' . basename($FQFN) . '.');
405 // Wrapper for unlink()
406 function removeFile ($FQFN) {
407 // Is the file there?
408 if (isFileReadable($FQFN)) {
410 $GLOBALS['file_readable'][$FQFN] = false;
413 return unlink($FQFN);
416 // All fine if no file was removed. If we change this to 'false' or rewrite
417 // above if() block it would be to restrictive.
421 // Wrapper for $_POST['sel']
422 function countPostSelection ($element = 'sel') {
424 if (isPostRequestElementSet($element)) {
425 // Return counted elements
426 return countSelection(postRequestElement($element));
428 // Return zero if not found
433 // Checks wether the config-local.php is loaded
434 function isConfigLocalLoaded () {
435 return ((isset($GLOBALS['config_local_loaded'])) && ($GLOBALS['config_local_loaded'] === true));
438 // Checks wether a nickname or userid was entered and caches the result
439 function isNicknameUsed ($userid) {
443 // Is the cache there
444 if (isset($GLOBALS['is_nickname_used'][$userid])) {
446 $isUsed = $GLOBALS['is_nickname_used'][$userid];
449 $isUsed = (('' . round($userid) . '') != $userid);
451 // And write it to the cache
452 $GLOBALS['is_nickname_used'][$userid] = $isUsed;
459 // Getter for 'what' value
460 function getWhat () {
465 if (isWhatSet(true)) {
467 $what = $GLOBALS['what'];
474 // Setter for 'what' value
475 function setWhat ($newWhat) {
476 $GLOBALS['what'] = SQL_ESCAPE($newWhat);
479 // Setter for 'what' from configuration
480 function setWhatFromConfig ($configEntry) {
481 // Get 'what' from config
482 $what = getConfig($configEntry);
488 // Checks wether what is set and optionally aborts on miss
489 function isWhatSet ($strict = false) {
491 $isset = (isset($GLOBALS['what']));
493 // Should we abort here?
494 if (($strict === true) && ($isset === false)) {
496 debug_report_bug('what is empty.');
503 // Getter for 'action' value
504 function getAction () {
509 if (isActionSet(true)) {
511 $action = $GLOBALS['action'];
518 // Setter for 'action' value
519 function setAction ($newAction) {
520 $GLOBALS['action'] = SQL_ESCAPE($newAction);
523 // Checks wether action is set and optionally aborts on miss
524 function isActionSet ($strict = false) {
526 $isset = (isset($GLOBALS['action']));
528 // Should we abort here?
529 if (($strict === true) && ($isset === false)) {
531 debug_report_bug('action is empty.');
538 // Getter for 'module' value
539 function getModule ($strict = true) {
544 if (isModuleSet($strict)) {
546 $module = $GLOBALS['module'];
553 // Setter for 'module' value
554 function setModule ($newModule) {
555 // Secure it and make all modules lower-case
556 $GLOBALS['module'] = SQL_ESCAPE(strtolower($newModule));
559 // Checks wether module is set and optionally aborts on miss
560 function isModuleSet ($strict = false) {
562 $isset = (!empty($GLOBALS['module']));
564 // Should we abort here?
565 if (($strict === true) && ($isset === false)) {
567 debug_report_bug('module is empty.');
571 return (($isset === true) && ($GLOBALS['module'] != 'unknown')) ;
574 // Getter for 'output_mode' value
575 function getOutputMode () {
580 if (isOutputModeSet(true)) {
582 $output_mode = $GLOBALS['output_mode'];
589 // Setter for 'output_mode' value
590 function setOutputMode ($newOutputMode) {
591 $GLOBALS['output_mode'] = (int) $newOutputMode;
594 // Checks wether output_mode is set and optionally aborts on miss
595 function isOutputModeSet ($strict = false) {
597 $isset = (isset($GLOBALS['output_mode']));
599 // Should we abort here?
600 if (($strict === true) && ($isset === false)) {
602 debug_report_bug('output_mode is empty.');
609 // Enables block-mode
610 function enableBlockMode ($enabled = true) {
611 $GLOBALS['block_mode'] = $enabled;
614 // Checks wether block-mode is enabled
615 function isBlockModeEnabled () {
617 if (!isset($GLOBALS['block_mode'])) {
619 debug_report_bug(__FUNCTION__ . ': block_mode is not set.');
623 return $GLOBALS['block_mode'];
626 // Wrapper function for addPointsThroughReferalSystem()
627 function addPointsDirectly ($subject, $userid, $points) {
629 unset($GLOBALS['ref_level']);
631 // Call more complicated method (due to more parameters)
632 return addPointsThroughReferalSystem($subject, $userid, $points, false, 0, false, 'direct');
635 // Wrapper function to redirect from member-only modules to index
636 function redirectToIndexMemberOnlyModule () {
637 // Do the redirect here
638 redirectToUrl('modules.php?module=index&code=' . getCode('MODULE_MEM_ONLY') . '&mod=' . getModule());
641 // Wrapper function for checking if extension is installed and newer or same version
642 function isExtensionInstalledAndNewer ($ext_name, $version) {
644 //* DEBUG: */ print __FUNCTION__.':'.$ext_name.'=>'.$version.'<br />';
645 return ((isExtensionInstalled($ext_name)) && (getExtensionVersion($ext_name) >= $version));
648 // Wrapper function for checking if extension is installed and older than given version
649 function isExtensionInstalledAndOlder ($ext_name, $version) {
651 //* DEBUG: */ print __FUNCTION__.':'.$ext_name.'<'.$version.'<br />';
652 return ((isExtensionInstalled($ext_name)) && (isExtensionOlder($ext_name, $version)));
656 function setUsername ($userName) {
657 $GLOBALS['username'] = (string) $userName;
661 function getUsername () {
662 return $GLOBALS['username'];
665 // Wrapper function for installation phase
666 function isInstallationPhase () {
668 if (!isset($GLOBALS['installation_phase'])) {
670 $GLOBALS['installation_phase'] = ((!isInstalled()) || (isInstalling()));
674 return $GLOBALS['installation_phase'];
677 // Checks wether the extension demo is actuve and the admin login is demo (password needs to be demo, too!)
678 function isDemoModeActive () {
679 return ((isExtensionActive('demo')) && (getSession('admin_login') == 'demo'));
682 // Wrapper function to redirect to de-refered URL
683 function redirectToDereferedUrl ($URL) {
685 $URL = generateDerefererUrl($URL);
691 // Getter for PHP caching value
692 function getPhpCaching () {
693 return $GLOBALS['php_caching'];
696 // Checks wether the admin hash is set
697 function isAdminHashSet ($admin) {
698 return isset($GLOBALS['cache_array']['admin']['password'][$admin]);
701 // Setter for admin hash
702 function setAdminHash ($admin, $hash) {
703 $GLOBALS['cache_array']['admin']['password'][$admin] = $hash;
706 // Init user data array
707 function initUserData () {
708 // User id should not be zero
709 if (getCurrentUserId() < 1) debug_report_bug(__FUNCTION__.': User id is zero.');
712 $GLOBALS['user_data'][getCurrentUserId()] = array();
715 // Getter for user data
716 function getUserData ($column) {
717 // User id should not be zero
718 if (getCurrentUserId() < 1) debug_report_bug(__FUNCTION__.': User id is zero.');
721 return $GLOBALS['user_data'][getCurrentUserId()][$column];
724 // Geter for whole user data array
725 function getUserDataArray () {
726 // User id should not be zero
727 if (getCurrentUserId() < 1) debug_report_bug(__FUNCTION__.': User id is zero.');
729 // Get the whole array
730 return $GLOBALS['user_data'][getCurrentUserId()];
733 // Checks if the user data is valid, this may indicate that the user has logged
734 // in, but you should use isMember() if you want to find that out.
735 function isUserDataValid () {
736 // User id should not be zero so abort here
737 if (!isCurrentUserIdSet()) return false;
739 // Is the array there and filled?
740 return ((isset($GLOBALS['user_data'][getCurrentUserId()])) && (count($GLOBALS['user_data'][getCurrentUserId()]) > 1));
743 // Setter for current userid
744 function setCurrentUserId ($userid) {
745 $GLOBALS['current_userid'] = bigintval($userid);
748 // Getter for current userid
749 function getCurrentUserId () {
750 // Userid must be set before it can be used
751 if (!isCurrentUserIdSet()) {
753 debug_report_bug('User id is not set.');
757 return $GLOBALS['current_userid'];
760 // Checks if current userid is set
761 function isCurrentUserIdSet () {
762 return isset($GLOBALS['current_userid']);
765 // Checks wether we are debugging template cache
766 function isDebuggingTemplateCache () {
767 return (getConfig('DEBUG_TEMPLATE_CACHE') == 'Y');
770 // Wrapper for fetchUserData() and getUserData() calls
771 function getFetchedUserData ($keyColumn, $userId, $valueColumn) {
772 // Default is 'guest'
773 $data = getMessage('USERNAME_GUEST');
775 // Can we fetch the user data?
776 if (($userId > 0) && (fetchUserData($userId, $keyColumn))) {
777 // Now get the data back
778 $data = getUserData($valueColumn);