2 /************************************************************************
3 * MXChange v0.2.1 Start: 03/25/2004 *
4 * =============== Last change: 09/29/2004 *
6 * -------------------------------------------------------------------- *
7 * File : extensions.php *
8 * -------------------------------------------------------------------- *
9 * Short description : Extension management *
10 * -------------------------------------------------------------------- *
11 * Kurzbeschreibung : Erweiterungen-Management *
12 * -------------------------------------------------------------------- *
14 * -------------------------------------------------------------------- *
15 * Copyright (c) 2003 - 2008 by Roland Haeder *
16 * For more information visit: http://www.mxchange.org *
18 * This program is free software; you can redistribute it and/or modify *
19 * it under the terms of the GNU General Public License as published by *
20 * the Free Software Foundation; either version 2 of the License, or *
21 * (at your option) any later version. *
23 * This program is distributed in the hope that it will be useful, *
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
26 * GNU General Public License for more details. *
28 * You should have received a copy of the GNU General Public License *
29 * along with this program; if not, write to the Free Software *
30 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, *
32 ************************************************************************/
34 // Some security stuff...
35 if (!defined('__SECURITY')) {
36 $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
40 // Load the extension and maybe found language and function files.
41 function LOAD_EXTENSION ($ext_name, $EXT_LOAD_MODE = "", $EXT_VER = "", $dry_run = false, &$SQLs = array()) {
42 global $_CONFIG, $EXT_VER_HISTORY;
43 global $INC_POOL, $EXT_UPDATE_DEPENDS, $EXT_DEPRECATED, $UPDATE_NOTES;
44 global $EXT_VERSION, $EXT_ALWAYS_ACTIVE;
49 // Is the extension already loaded?
50 //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "Loading extension {$ext_name}, mode={$EXT_LOAD_MODE}, ver={$EXT_VER}.");
51 if ((isset($GLOBALS['ext_loaded']['ext'][$ext_name])) && (empty($EXT_LOAD_MODE))) {
53 DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("Extension %s already loaded.", $ext_name));
57 // Construct FQFN for extension file
58 $FQFN = sprintf("%sinc/extensions/ext-%s.php",
63 // Is the extension file NOT there?
64 if (!FILE_READABLE($FQFN)) {
66 DEBUG_LOG(__FUNCTION__, __LINE__, sprintf("Extension %s not found.", $ext_name));
72 // Construct FQFN for language file
73 $langInclude = sprintf("inc/language/%s_%s.php", $ext_name, GET_LANGUAGE());
75 // Is this include there?
76 if ((FILE_READABLE($langInclude)) && (!isset($GLOBALS['ext_loaded']['lang'][$ext_name]))) {
78 //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "--- Language loaded.");
79 $GLOBALS['ext_loaded']['lang'][$ext_name] = true;
80 LOAD_INC_ONCE($langInclude);
83 // Construct FQFN for functions file
84 $funcsInclude = sprintf("inc/libs/%s_functions.php", $ext_name);
86 // Is this include there?
87 if ((FILE_READABLE($funcsInclude)) && (!isset($GLOBALS['ext_loaded']['funcs'][$ext_name]))) {
89 //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "--- Functions loaded.");
90 $GLOBALS['ext_loaded']['funcs'][$ext_name] = true;
91 LOAD_INC_ONCE($funcsInclude);
94 // Extensions are not deprecated by default
95 $EXT_DEPRECATED = "N";
97 // Extensions are not always active by default
98 $EXT_ALWAYS_ACTIVE = "N";
100 // By default an extension update does not depend on other extensions
101 $EXT_UPDATE_DEPENDS = "";
103 // Extension update notes
106 // Include the extension file
107 //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "Extension loaded.");
110 // Is this extension deprecated?
111 if ($EXT_DEPRECATED == "Y") {
112 // Deactivate the extension
113 DEACTIVATE_EXTENSION($ext_name);
119 // Mark it as loaded in normal mode
120 if (empty($EXT_LOAD_MODE)) {
122 $GLOBALS['ext_loaded']['ext'][$ext_name] = true;
129 // Registeres an extension and possible update depencies
130 function EXTENSION_REGISTER ($ext_name, $task_id, $dry_run = false, $logout = true) {
131 global $UPDATE_NOTES, $INC_POOL;
132 global $EXT_VER_HISTORY, $NOTES, $EXT_ALWAYS_ACTIVE, $EXT_VERSION;
133 global $EXT_UPDATE_DEPENDS;
135 // This shall never do a non-admin user!
136 if (!IS_ADMIN()) return false;
138 // Is this extension already installed?
139 if (EXT_IS_ACTIVE($ext_name)) return false;
142 $ret = false; $SQLs = array();
146 // By default we have no failures
147 $EXT_REPORTS_FAILURE = false;
149 // Does this extension exists?
150 if (LOAD_EXTENSION($ext_name, "register", "", $dry_run, $SQLs)) {
151 // And run possible updates
152 $history = $EXT_VER_HISTORY;
153 foreach ($history as $ver) {
154 //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "ext_name={$ext_name}, ext_ver={$ver}");
155 // Load extension in update mode
156 LOAD_EXTENSION($ext_name, "update", $ver, $dry_run, $SQLs);
158 // Add update notes to our output
159 $NOTES .= ADD_EXTENSION_NOTES($ver, $UPDATE_NOTES);
162 // Does this extension depends on an outstanding update of another update?
163 if (!empty($EXT_UPDATE_DEPENDS)) {
164 // Backup SQL commands and clear current
168 $ext_update = $EXT_UPDATE_DEPENDS;
170 // Check for required file
171 if (LOAD_EXTENSION($ext_update, "register", "", $dry_run, $SQLs)) {
172 // If versions mismatch update extension first
173 $ext_ver = GET_EXT_VERSION($ext_update);
175 // Extension version set? If empty the extension is not registered
176 if (empty($ext_ver)) {
177 // Extension not registered so far so first load task's ID...
178 $task = DETERMINE_EXTENSION_TASK_ID($ext_update);
182 // Try to register the extension
183 $test = EXTENSION_REGISTER($ext_update, $task, $dry_run, false);
185 } elseif ($ext_ver != $EXT_VERSION) {
186 // Ok, update this extension now
187 EXTENSION_UPDATE($ext_update, $ext_ver, $dry_run);
192 // Nothing to register / update before...
196 // Required file for update does not exists!
198 // But this is fine for the first time...
201 // Finally restore previous SQLs
202 $SQLs = $SQLs2; unset($SQLs2);
204 // Does not depend on an other extension
208 // Switch back to register mode
209 $EXT_LOAD_MODE = "register";
211 // Remains true if extension registration reports no failures
212 $test = ($test && !$EXT_REPORTS_FAILURE);
214 // Does everthing before wents ok?
216 // "Dry-run-mode" activated?
218 // Run installation pre-installation filters
219 RUN_FILTER('pre_extension_installed', array('dry_run' => $dry_run, 'sqls' => $SQLs));
221 // Register extension
222 SQL_QUERY_ESC("INSERT INTO `{!_MYSQL_PREFIX!}_extensions` (ext_name, ext_active, ext_version) VALUES ('%s','%s','%s')",
223 array($ext_name, $EXT_ALWAYS_ACTIVE, $EXT_VERSION), __FILE__, __LINE__);
225 // Remove cache file(s) if extension is active
226 RUN_FILTER('post_extension_installed', array('ext_name' => $ext_name, 'task_id' => $task_id, 'inc_pool' => $INC_POOL));
228 // In normal mode return a true on success
231 // Rewrite SQL command to keep { and } inside
232 foreach ($SQLs as $key => $sql) {
233 $sql = str_replace('{', "{", str_replace('}', "}", $sql));
237 // In "dry-run" mode return array with all SQL commands
240 // Remove all SQL commands
244 // No, an error occurs while registering extension :-(
247 } elseif (($task_id > 0) && (!empty($ext_name))) {
248 // Remove task from system when id and extension's name is valid
249 SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM `{!_MYSQL_PREFIX!}_task_system` WHERE id=%s AND `status`='NEW' LIMIT 1",
250 array(bigintval($task_id)), __FILE__, __LINE__);
253 // Is this the sql_patches?
254 //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ":{$ext_name}/{$EXT_LOAD_MODE}");
255 if (($ext_name == "sql_patches") && (($EXT_LOAD_MODE == "register") || ($EXT_LOAD_MODE == "remove")) && (!$dry_run) && ($test)) {
256 //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ": LOAD!");
258 // Then redirect to logout
259 LOAD_URL("modules.php?module=admin&logout=1&".$EXT_LOAD_MODE."=sql_patches");
261 // Add temporary filter
262 REGISTER_FILTER('shutdown', 'REDIRECT_TO_LOGOUT_SQL_PATCHES', true, true);
263 $GLOBALS['ext_load_mode'] = $EXT_LOAD_MODE;
267 // Return status code
271 // Run SQL queries for given extension id
272 // @TODO Change from ext_id to ext_name (not just even the variable! ;-) )
273 function EXTENSION_RUN_SQLS ($ext_id, $load_mode) {
274 // This shall never do a non-admin user!
275 if (!IS_ADMIN()) return false;
280 // By default no SQL has been executed
283 // Get extension's name
284 $ext_name = GET_EXT_NAME($ext_id);
285 // If it is not set then maybe there is no extension for that ID number
286 if (empty($ext_name)) return false;
288 // Load extension in detected mode
289 //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ":ext_name[{$ext_id}]={$ext_name}");
290 LOAD_EXTENSION($ext_name, $load_mode, "", false, $SQLs);
292 //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ":SQLs::count=".count($SQLs)."");
293 if ((is_array($SQLs) && (sizeof($SQLs) > 0))) {
294 // Run SQL commands...
295 RUN_FILTER('run_sqls', array('dry_run' => false, 'sqls' => $SQLs));
298 if ($load_mode == "remove") {
299 // Delete this extension (remember to remove it from your server *before* you click on welcome!
300 SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM `{!_MYSQL_PREFIX!}_extensions` WHERE ext_name='%s' LIMIT 1",
301 array($ext_name), __FILE__, __LINE__);
305 // Remove cache file(s) if extension is active
306 if (((EXT_IS_ACTIVE("cache")) || (GET_EXT_VERSION("cache") != "")) && (((SQL_AFFECTEDROWS() == 1)) || ($sqlRan === true) || ($load_mode == "activate") || ($load_mode == "deactivate"))) {
308 RUN_FILTER('post_extension_run_sql', $ext_name);
311 // Is this the sql_patches?
312 //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ": {$ext_id}/{$ext_name}/{$load_mode}");
313 if (($ext_name == "sql_patches") && (($load_mode == "register") || ($load_mode == "remove"))) {
314 // Then redirect to logout
315 //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ": LOAD!");
316 LOAD_URL("modules.php?module=admin&logout=1&".$load_mode."=sql_patches");
320 // Check if given extension is active
321 function EXT_IS_ACTIVE ($ext_name) {
322 // Extensions are all inactive during installation
323 if ((!isBooleanConstantAndTrue('mxchange_installed')) || (isInstalling()) || (empty($ext_name))) return false;
325 // Not active is the default
329 if (isset($GLOBALS['cache_array']['extensions']['ext_active'][$ext_name])) {
331 //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "CACHE! ext_name={$ext_name}");
332 $active = $GLOBALS['cache_array']['extensions']['ext_active'][$ext_name];
335 incrementConfigEntry('cache_hits');
336 } elseif (isset($GLOBALS['ext_loaded'][$ext_name])) {
337 // Extension is loaded!
338 die("LOADED:$ext_name");
339 } elseif (($ext_name == "cache") || (GET_EXT_VERSION("cache") == "")) {
340 //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, "DB! ext_name={$ext_name}");
341 // Load from database
342 $result = SQL_QUERY_ESC("SELECT ext_active FROM `{!_MYSQL_PREFIX!}_extensions` WHERE ext_name='%s' LIMIT 1",
343 array($ext_name), __FILE__, __LINE__);
346 if (SQL_NUMROWS($result) == 1) {
348 list($active) = SQL_FETCHROW($result);
352 SQL_FREERESULT($result);
355 //* DEBUG: */ echo $ext_name."[DB]: {$active}");
356 $GLOBALS['cache_array']['extensions']['ext_active'][$ext_name] = $active;
358 // Extension not active!
359 //* DEBUG: */ echo $ext_name.": Not active!");
360 $GLOBALS['cache_array']['extensions']['ext_active'][$ext_name] = "N";
364 //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, " ext_name={$ext_name},active={$active}");
366 // Is this extension activated? (For admins we always have active extensions...)
367 return ($active == "Y");
369 // Get version from extensions
370 function GET_EXT_VERSION ($ext_name) {
371 // By default no extension is found
374 // Extensions are all inactive during installation
375 if ((!isBooleanConstantAndTrue('mxchange_installed')) || (isInstalling())) return "";
376 //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ": ext_name={$ext_name}");
378 // Is the cache written?
379 if (isset($GLOBALS['cache_array']['extensions']['ext_version'][$ext_name])) {
380 // Load data from cache
381 //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ": CACHE!");
382 $ext_ver = $GLOBALS['cache_array']['extensions']['ext_version'][$ext_name];
385 incrementConfigEntry('cache_hits');
386 } elseif ((!isset($GLOBALS['cache_instance'])) || (!is_object($GLOBALS['cache_instance']))) {
387 // Load from database
388 $result = SQL_QUERY_ESC("SELECT ext_version FROM `{!_MYSQL_PREFIX!}_extensions` WHERE ext_name='%s' LIMIT 1",
389 array($ext_name), __FILE__, __LINE__);
391 // Is the extension there?
392 if (SQL_NUMROWS($result) == 1) {
394 list($ext_ver) = SQL_FETCHROW($result);
398 SQL_FREERESULT($result);
401 $GLOBALS['cache_array']['extensions']['ext_version'][$ext_name] = $ext_ver;
405 //* DEBUG: */ DEBUG_LOG(__FUNCTION__, __LINE__, ": ret={$ext_ver}");
409 // Updates a given extension with current extension version to latest version
410 function EXTENSION_UPDATE ($ext_name, $ext_ver, $dry_run = false) {
411 // This shall never do a non-admin user!
412 global $UPDATE_NOTES, $NOTES, $EXT_VER_HISTORY;
413 global $EXT_UPDATE_DEPENDS, $EXT_VERSION, $INC_POOL, $SQLs;
416 $SQLs = array(); $INC_POOL = array();
421 // Only admins are allowed to update extensions
422 if ((!IS_ADMIN()) || (empty($ext_name))) return false;
424 // Load extension in test mode
425 LOAD_EXTENSION($ext_name, "test", $ext_ver, $dry_run, $SQLs);
427 // Save version history
428 $history = $EXT_VER_HISTORY;
430 // Remove old SQLs array to prevent possible bugs
433 // Check if version is updated
434 if ((($EXT_VERSION != $ext_ver) || ($dry_run)) && (is_array($history))) {
435 // Search for starting point
436 $start = array_search($ext_ver, $history);
438 // And load SQL queries in order of version history
439 for ($idx = ($start + 1); $idx < sizeof($history); $idx++) {
440 // Set extension version
441 $GLOBALS['cache_array']['update_ver'][$ext_name] = $history[$idx];
444 LOAD_EXTENSION($ext_name, "update", $GLOBALS['cache_array']['update_ver'][$ext_name], $dry_run, $SQLs);
446 if (!empty($EXT_UPDATE_DEPENDS)) {
447 // Backup current SQL queries
448 $GLOBALS['cache_array']['update_sqls'][$ext_name] = $SQLs;
450 // Is the extension there?
451 if (GET_EXT_VERSION($EXT_UPDATE_DEPENDS) != "") {
452 // Update another extension first!
453 $test = EXTENSION_UPDATE($EXT_UPDATE_DEPENDS, GET_EXT_VERSION($EXT_UPDATE_DEPENDS), $dry_run);
455 // Register new extension
456 $test = EXTENSION_REGISTER($EXT_UPDATE_DEPENDS, 0, $dry_run, false);
459 // Restore previous SQL queries
460 $SQLs = $GLOBALS['cache_array']['update_sqls'][$ext_name];
461 unset($GLOBALS['cache_array']['update_sqls'][$ext_name]);
465 $NOTES .= ADD_EXTENSION_NOTES($GLOBALS['cache_array']['update_ver'][$ext_name], $UPDATE_NOTES);
468 // In real-mode execute any existing includes
470 $GLOBALS['cache_array']['inc_pool'][$ext_name] = $INC_POOL;
471 RUN_FILTER('load_includes', $INC_POOL);
472 $INC_POOL = $GLOBALS['cache_array']['inc_pool'][$ext_name];
473 unset($GLOBALS['cache_array']['inc_pool'][$ext_name]);
477 RUN_FILTER('run_sqls', array('dry_run' => $dry_run, 'sqls' => $SQLs));
481 CREATE_EXTENSION_UPDATE_TASK(GET_CURRENT_ADMIN_ID(), $ext_name, $GLOBALS['cache_array']['update_ver'][$ext_name], SQL_ESCAPE($NOTES));
483 // Update extension's version
484 SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_extensions` SET ext_version='%s' WHERE ext_name='%s' LIMIT 1",
485 array($GLOBALS['cache_array']['update_ver'][$ext_name], $ext_name), __FILE__, __LINE__);
489 unset($GLOBALS['cache_array']['update_ver'][$ext_name]);
491 // Run filters on success extension update
492 RUN_FILTER('extension_update', $ext_name);
494 // In "dry-run" mode return array with SQL commands
500 // Output verbose SQL table for extension
501 function EXTENSION_VERBOSE_TABLE ($queries = array(), $title = "", $dashed = "", $switch = false, $width = "100%") {
506 // Then fix it to default
507 $title = getMessage('ADMIN_SQLS_EXECUTED_ON_REMOVAL');
510 // Are there some queries in $queries?
511 if (count($queries) > 0) {
512 // Then use them instead!
520 // Do we have queries?
521 if ((is_array($SQLs)) && (GET_EXT_VERSION("sql_patches") >= "0.0.7") && (getConfig('verbose_sql') == "Y")) {
522 foreach ($SQLs as $idx => $sql) {
526 // Output command if set
528 // Prepare output for template
536 $OUT .= LOAD_TEMPLATE("admin_ext_sql_row", true, $content);
538 // Switch color and count up
544 // Prepare content for template
552 // Load main template
553 $OUT = LOAD_TEMPLATE("admin_ext_sql_table", true, $content);
554 } elseif ((GET_EXT_VERSION("sql_patches") >= "0.0.7") && (getConfig('verbose_sql') == "Y")) {
555 // No addional SQL commands to run
556 $OUT = LOAD_TEMPLATE("admin_settings_saved", true, getMessage('ADMIN_NO_ADDITIONAL_SQLS'));
563 // Get extension name from id
564 function GET_EXT_NAME ($ext_id) {
565 // Init extension name
569 if (isset($GLOBALS['cache_array']['extensions']['ext_name'][$ext_id])) {
571 $ret = $GLOBALS['cache_array']['extensions']['ext_name'][$ext_id];
574 incrementConfigEntry('cache_hits');
575 } elseif (!EXT_IS_ACTIVE("cache")) {
576 // Load from database
577 $result = SQL_QUERY_ESC("SELECT ext_name FROM `{!_MYSQL_PREFIX!}_extensions` WHERE id=%s LIMIT 1",
578 array(bigintval($ext_id)), __FILE__, __LINE__);
579 list($ret) = SQL_FETCHROW($result);
580 SQL_FREERESULT($result);
585 // Get extension id from name
586 function GET_EXT_ID ($ext_name) {
589 if (isset($GLOBALS['cache_array']['extensions']['ext_id'][$ext_name])) {
591 $ret = $GLOBALS['cache_array']['extensions']['ext_id'][$ext_name];
594 incrementConfigEntry('cache_hits');
595 } elseif (!EXT_IS_ACTIVE("cache")) {
596 // Load from database
597 $result = SQL_QUERY_ESC("SELECT id FROM `{!_MYSQL_PREFIX!}_extensions` WHERE ext_name='%s' LIMIT 1",
598 array($ext_name), __FILE__, __LINE__);
599 list($ret) = SQL_FETCHROW($result);
600 SQL_FREERESULT($result);
607 // Activate given extension
608 function ACTIVATE_EXTENSION ($ext_name) {
609 // Activate the extension
610 SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_extensions` SET ext_active='Y' WHERE ext_name='%s' LIMIT 1",
611 array($ext_name), __FILE__, __LINE__);
613 // Extension has been activated?
614 if (SQL_AFFECTEDROWS() == 1) {
615 // Then run all queries
616 EXTENSION_RUN_SQLS(GET_EXT_ID($ext_name), "activate");
620 // Deactivate given extension
621 function DEACTIVATE_EXTENSION($ext_name) {
622 // Activate the extension
623 SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_extensions` SET ext_active='N' WHERE ext_name='%s' LIMIT 1",
624 array($ext_name), __FILE__, __LINE__);
626 // Extension has been activated?
627 if (SQL_AFFECTEDROWS() == 1) {
628 // Then run all queries
629 EXTENSION_RUN_SQLS(GET_EXT_ID($ext_name), "deactivate");
632 CREATE_EXTENSION_DEACTIVATION_TASK($ext_name);
635 SEND_ADMIN_NOTIFICATION(
636 getMessage('ADMIN_SUBJECT_EXTENSION_DEACTIVATED'),
637 "admin_ext_deactivated",
638 array('ext_name' => $ext_name)
643 // Checks wether the extension is older than given
644 function EXT_VERSION_IS_OLDER ($ext_name, $ext_ver) {
645 // Get current extension version
646 $currVersion = GET_EXT_VERSION($ext_name);
648 // Remove all dots from both versions
649 $currVersion = str_replace(".", "", $currVersion);
650 $ext_ver = str_replace(".", "", $ext_ver);
652 // Now compare both and return the result
653 return ($currVersion < $ext_ver);
656 // Creates a new task for updated extension
657 function CREATE_EXTENSION_UPDATE_TASK ($admin_id, $ext_name, $ext_ver, $notes) {
658 // Create subject line
659 $subject = "[UPDATE-".$ext_name."-".$ext_ver.":] {--ADMIN_UPDATE_EXT_SUBJ--}";
661 // Is the extension there?
662 if (GET_EXT_VERSION($ext_name) != "") {
663 // Check if task is not there
664 if (DETERMINE_TASK_ID_BY_SUBJECT($subject) == 0) {
665 // Task not created so it's a brand-new extension which we need to register and create a task for!
666 SQL_QUERY_ESC("INSERT INTO `{!_MYSQL_PREFIX!}_task_system` (assigned_admin, userid, status, task_type, subject, text, task_created) VALUES ('%s','0','NEW','EXTENSION_UPDATE','%s','%s', UNIX_TIMESTAMP())",
667 array($admin_id, $subject, $notes), __FILE__, __LINE__);
672 // Creates a new task for newly installed extension
673 function CREATE_NEW_EXTENSION_TASK ($admin_id, $subject, $ext) {
674 // Not installed and do we have created a task for the admin?
675 if ((DETERMINE_TASK_ID_BY_SUBJECT($subject) == 0) && (GET_EXT_VERSION($ext) == "")) {
677 $tpl = sprintf("%stemplates/%s/html/ext/ext_%s.tpl",
683 // Load text for task
684 if (FILE_READABLE($tpl)) {
685 // Load extension's own text template (HTML!)
686 $msg = LOAD_TEMPLATE("ext_".$ext, true);
688 // Load default message
689 $msg = LOAD_TEMPLATE("admin_new_ext", "", 0);
692 // Task not created so it's a brand-new extension which we need to register and create a task for!
693 SQL_QUERY_ESC("INSERT INTO `{!_MYSQL_PREFIX!}_task_system` (assigned_admin, userid, status, task_type, subject, text, task_created)
694 VALUES (%s,0,'NEW','EXTENSION','%s','%s',UNIX_TIMESTAMP())",
699 ), __FILE__, __LINE__, true, false
704 // Creates a task for automatically deactivated (deprecated) extension
705 function CREATE_EXTENSION_DEACTIVATION_TASK ($ext) {
706 // Create subject line
707 $subject = sprintf("[%s:] %s", $ext, getMessage('TASK_SUBJ_EXTENSION_DEACTIVATED'));
709 // Not installed and do we have created a task for the admin?
710 if ((DETERMINE_TASK_ID_BY_SUBJECT($subject) == 0) && (GET_EXT_VERSION($ext) != "")) {
711 // Task not created so add it
712 SQL_QUERY_ESC("INSERT INTO `{!_MYSQL_PREFIX!}_task_system` (assigned_admin, userid, status, task_type, subject, text, task_created)
713 VALUES (0,0,'NEW','EXTENSION_DEACTIVATION','%s','%s',UNIX_TIMESTAMP())",
716 SQL_ESCAPE(LOAD_TEMPLATE("task_ext_deactivated", true, $ext)),
717 ), __FILE__, __LINE__, true, false
722 // Checks if the module has a menu
723 function MODULE_HAS_MENU ($mod, $forceDb = false) {
724 // All is false by default
727 //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):mod={$mod},cache=".GET_EXT_VERSION("cache")."<br />\n";
728 if (GET_EXT_VERSION("cache") >= "0.1.2") {
729 // Cache version is okay, so let's check the cache!
730 if (isset($GLOBALS['cache_array']['modules']['has_menu'][$mod])) {
731 // Check module cache and count hit
732 $ret = ($GLOBALS['cache_array']['modules']['has_menu'][$mod] == "Y");
733 incrementConfigEntry('cache_hits');
734 } elseif (isset($GLOBALS['cache_array']['extensions']['ext_menu'][$mod])) {
735 // Check cache and count hit
736 $ret = ($GLOBALS['cache_array']['extensions']['ext_menu'][$mod] == "Y");
737 incrementConfigEntry('cache_hits');
738 } elseif ((IS_ADMIN()) && ($mod == "admin")) {
739 // Admin module has always a menu!
742 } elseif ((GET_EXT_VERSION("sql_patches") >= "0.3.6") && ((!EXT_IS_ACTIVE("cache")) || ($forceDb === true))) {
743 // Check database for entry
744 $result = SQL_QUERY_ESC("SELECT has_menu FROM `{!_MYSQL_PREFIX!}_mod_reg` WHERE module='%s' LIMIT 1",
745 array($mod), __FILE__, __LINE__);
748 if (SQL_NUMROWS($result) == 1) {
749 // Load "has_menu" column
750 list($has_menu) = SQL_FETCHROW($result);
753 $GLOBALS['cache_array']['extensions']['ext_menu'][$mod] = $has_menu;
755 // Does it have a menu?
756 $ret = ($has_menu == "Y");
760 SQL_FREERESULT($result);
761 } elseif (GET_EXT_VERSION("sql_patches") == "") {
762 // No sql_patches installed, so maybe in admin area?
763 $ret = ((IS_ADMIN()) && ($mod == "admin")); // Then there is a menu!
767 //* DEBUG: */ var_dump($ret);
771 // Determines the task id for given extension
772 function DETERMINE_EXTENSION_TASK_ID ($ext_name) {
773 // Default is not found
776 // Search for extension task's id
777 $result = SQL_QUERY_ESC("SELECT id FROM `{!_MYSQL_PREFIX!}_task_system` WHERE task_type='EXTENSION' AND subject='[%s:]' LIMIT 1",
778 array($ext_name), __FILE__, __LINE__);
781 if (SQL_NUMROWS($result) == 1) {
782 // Task found so load task's ID and register extension...
783 list($task_id) = SQL_FETCHROW($result);
787 SQL_FREERESULT($result);
793 // Determines the task id for given subject
794 function DETERMINE_TASK_ID_BY_SUBJECT ($subject) {
795 // Default is not found
798 // Search for task id
799 $result = SQL_QUERY_ESC("SELECT id FROM `{!_MYSQL_PREFIX!}_task_system` WHERE subject LIKE '%s%%' LIMIT 1",
800 array($subject), __FILE__, __LINE__);
803 if (SQL_NUMROWS($result) == 1) {
804 // Task found so load task's ID and register extension...
805 list($task_id) = SQL_FETCHROW($result);
809 SQL_FREERESULT($result);
815 // Add updates notes for given version
816 function ADD_EXTENSION_NOTES ($ver, &$UPDATE_NOTES) {
817 // Init notes/content
818 $out = ""; $content = array();
820 // Is do we have verbose output enabled?
821 if ((getConfig('verbose_sql') == "Y") || (!EXT_IS_ACTIVE("sql_patches"))) {
823 // Update notes found?
824 if (!empty($UPDATE_NOTES)) {
825 // Update notes found
828 'notes' => $UPDATE_NOTES
831 } elseif (($ver == "0.0") || ($ver == "0.0.0")) {
835 'notes' => getMessage('INITIAL_RELEASE')
838 // No update notes found!
841 'notes' => getMessage('NO_UPDATE_NOTES')
846 $out = LOAD_TEMPLATE("admin_ext_notes", true, $content);
853 // Getter for CSS files array
854 function EXT_GET_CSS_FILES () {
855 // By default no additional CSS files are found
858 // Is the array there?
859 if (isset($GLOBALS['css_files'])) {
861 $cssFiles = $GLOBALS['css_files'];
868 // Init CSS files array
869 function EXT_INIT_CSS_FILES () {
871 $GLOBALS['css_files'] = array();
875 function EXT_ADD_CSS_FILE ($file) {
876 // Is the array there?
877 if (!isset($GLOBALS['css_files'])) {
878 // Then auto-init them
879 EXT_INIT_CSS_FILES();
883 $GLOBALS['css_files'][] = $file;