2 /************************************************************************
3 * Mailer v0.2.1-FINAL Start: 07/01/2010 *
4 * =================== Last change: 07/01/2010 *
6 * -------------------------------------------------------------------- *
7 * File : module-functions.php *
8 * -------------------------------------------------------------------- *
9 * Short description : Module functions *
10 * -------------------------------------------------------------------- *
11 * Kurzbeschreibung : Modulfunktionen *
12 * -------------------------------------------------------------------- *
15 * $Tag:: 0.2.1-FINAL $ *
17 * -------------------------------------------------------------------- *
18 * Copyright (c) 2003 - 2009 by Roland Haeder *
19 * Copyright (c) 2009 - 2011 by Mailer Developer Team *
20 * For more information visit: http://www.mxchange.org *
22 * This program is free software; you can redistribute it and/or modify *
23 * it under the terms of the GNU General Public License as published by *
24 * the Free Software Foundation; either version 2 of the License, or *
25 * (at your option) any later version. *
27 * This program is distributed in the hope that it will be useful, *
28 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
29 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
30 * GNU General Public License for more details. *
32 * You should have received a copy of the GNU General Public License *
33 * along with this program; if not, write to the Free Software *
34 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, *
36 ************************************************************************/
38 // Some security stuff...
39 if (!defined('__SECURITY')) {
43 // "Getter" for module title
44 function getModuleTitle ($module) {
49 // Is the script installed?
50 if ((isInstalled()) && ($module != 'error')) {
51 // Check if cache is valid
52 if ((isExtensionInstalledAndNewer('cache', '0.1.2')) && (isset($GLOBALS['cache_array']['modules']['module'])) && (in_array($module, $GLOBALS['cache_array']['modules']['module']))) {
54 $data['title'] = $GLOBALS['cache_array']['modules']['title'][$module];
57 incrementStatsEntry('cache_hits');
58 } elseif (!isExtensionActive('cache')) {
60 $result = SQL_QUERY_ESC("SELECT `title` FROM `{?_MYSQL_PREFIX?}_mod_reg` WHERE `module`='%s' LIMIT 1",
61 array($module), __FUNCTION__, __LINE__);
63 // Is the entry there?
64 if (SQL_NUMROWS($result) == 1) {
65 // Get the title from database
66 $data = SQL_FETCHARRAY($result);
70 SQL_FREERESULT($result);
75 $data['title'] = trim($data['title']);
77 // Still no luck or empty title?
78 if (empty($data['title'])) {
80 if ($module == 'error') {
81 // Error (real module was not found)
82 $data['title'] = getMessage('MODULE_ERROR_404');
85 $data['title'] = getMaskedMessage('UNKNOWN_MODULE_DETECTED', $module);
86 if ((is_resource($result)) && (SQL_HASZERONUMS($result))) {
87 // Add module to database
88 $dummy = checkModulePermissions($module);
94 return $data['title'];
97 // Checks if module_status entry is there
98 function isModuleStatusSet ($module) {
100 return (isset($GLOBALS['module_status'][$module]));
103 // Setter module status
104 function setModuleStatus ($module, $status) {
105 $GLOBALS['module_status'][$module] = $status;
108 // Getter for module status
109 function getModuleStatus ($module) {
110 // Is the module_status entry there?
111 if (!isModuleStatusSet($module)) {
113 debug_report_bug('Module status not set. module=' . $module);
117 return $GLOBALS['module_status'][$module];
120 // Checks wether the given module is registered
121 function isModuleRegistered ($module) {
122 // By default nothing is found
125 // Check if cache is latest version
126 if (isExtensionInstalledAndNewer('cache', '0.1.2')) {
127 // Is the cache there?
128 //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Using cache.');
129 if (isset($GLOBALS['cache_array']['modules']['locked'][$module])) {
131 incrementStatsEntry('cache_hits');
136 // No, then we have to update it!
137 setModuleStatus($module, 'cache_miss');
139 } elseif (!isExtensionActive('cache')) {
140 // Check for module in database
141 //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Using database.');
142 $result = SQL_QUERY_ESC("SELECT `locked`, `hidden`, `admin_only`, `mem_only` FROM `{?_MYSQL_PREFIX?}_mod_reg` WHERE `module`='%s' LIMIT 1",
143 array($module), __FUNCTION__, __LINE__);
144 if (SQL_NUMROWS($result) == 1) {
146 $data = SQL_FETCHARRAY($result);
149 foreach ($data as $key=>$value) {
150 $GLOBALS['cache_array']['modules'][$key][$module] = $value;
155 } elseif (isDebugModeEnabled()) {
156 // Debug message only in debug-mode...
157 logDebugMessage(__FUNCTION__, __LINE__, 'Module ' . $module . ' not found.');
161 SQL_FREERESULT($result);
168 // Checks wether the given module is locked by just checking the cache
169 function isModuleLocked ($module) {
170 // Determine if there a cache entry and is it set
171 $return = ((isset($GLOBALS['cache_array']['modules']['locked'][$module])) && ($GLOBALS['cache_array']['modules']['locked'][$module] == 'Y'));
173 // Return determined value
177 // Checks wether the given module is hidden by just checking the cache
178 function isModuleHidden ($module) {
179 // Determine if there a cache entry and is it set
180 $return = ((isset($GLOBALS['cache_array']['modules']['hidden'][$module])) && ($GLOBALS['cache_array']['modules']['hidden'][$module] == 'Y'));
182 // Return determined value
186 // Checks wether the given module is mem_only by just checking the cache
187 function isModuleMemberOnly ($module) {
188 // Determine if there a cache entry and is it set
189 $return = ((isset($GLOBALS['cache_array']['modules']['mem_only'][$module])) && ($GLOBALS['cache_array']['modules']['mem_only'][$module] == 'Y'));
191 // Return determined value
195 // Checks wether the given module is admin_only by just checking the cache
196 function isModuleAdminOnly ($module) {
197 // Determine if there a cache entry and is it set
198 $return = ((isset($GLOBALS['cache_array']['modules']['admin_only'][$module])) && ($GLOBALS['cache_array']['modules']['admin_only'][$module] == 'Y'));
200 // Return determined value
204 // Check validity of a given module name (no file extension)
205 function checkModulePermissions ($module = '') {
206 // Is it empty (default), then take the current one
207 if (empty($module)) {
208 // Use current module
209 $module = getModule();
213 if (isModuleStatusSet($module)) {
215 return getModuleStatus($module);
218 // Filter module name (names with low chars and underlines are fine!)
219 $module = preg_replace('/[^a-z_]/', '', $module);
221 // Check for prefix is a extension...
222 $modSplit = explode('_', $module);
223 $extension = ''; $module_chk = $module;
224 //* DEBUG: */ debugOutput(__LINE__.'*'.count($modSplit).'/'.$module.'*');
225 if (count($modSplit) == 2) {
226 // Okay, there is a seperator (_) in the name so is the first part a module?
227 //* DEBUG: */ debugOutput(__LINE__.'*'.$modSplit[0].'*');
228 if (isExtensionActive($modSplit[0])) {
229 // The prefix is an extension's name, so let's set it
230 $extension = $modSplit[0]; $module = $modSplit[1];
234 // Major error in module registry is the default
235 setModuleStatus($module_chk, 'major');
237 // Check if script is installed if not return a 'done' to prevent some errors
238 if ((isInstallationPhase()) || (!isAdminRegistered())) {
239 // Not installed or no admin registered or in installation phase
240 setModuleStatus($module_chk, 'done');
246 // Check if the module is registered
247 $found = isModuleRegistered($module_chk);
249 // Is the module found?
250 if ($found === true) {
251 // Check returned values against current access permissions
253 // Admin access ----- Guest access ----- --- Guest or member? ---
254 if ((isAdmin()) || ((!isModuleLocked($module_chk)) && (!isModuleAdminOnly($module_chk)) && ((!isModuleMemberOnly($module_chk)) || (isMember())))) {
255 // If you are admin you are welcome for everything!
256 setModuleStatus($module_chk, 'done');
257 } elseif (isModuleLocked($module_chk)) {
259 setModuleStatus($module_chk, 'locked');
260 } elseif ((isModuleMemberOnly($module_chk)) && (!isMember())) {
261 // You have to login first!
262 setModuleStatus($module_chk, 'mem_only');
263 } elseif ((isModuleAdminOnly($module_chk)) && (!isAdmin())) {
264 // Only the Admin is allowed to enter this module!
265 setModuleStatus($module_chk, 'admin_only');
267 // @TODO Nothing helped???
268 logDebugMessage(__FUNCTION__, __LINE__, sprintf("ret=%s,locked=%d,hidden=%d,mem=%d,admin=%d",
269 getModuleStatus($module_chk),
270 intval(isModuleLocked($module_chk)),
271 intval(isModuleHidden($module_chk)),
272 intval(isModuleMemberOnly($module_chk)),
273 intval(isModuleAdminOnly($module_chk))
278 // Still no luck or not found?
279 if (($found === false) && (!isExtensionActive('cache')) && (getModuleStatus($module_chk) != 'done')) {
280 // ----- Default module ----- ---- Module in base folder ---- --- Module with extension's name ---
281 if ((isIncludeReadable(sprintf("inc/modules/%s.php", $module))) || (isIncludeReadable(sprintf("%s.php", $module))) || (isIncludeReadable(sprintf("%s/%s.php", $extension, $module)))) {
282 // Data is missing so we add it
283 if (isExtensionInstalledAndNewer('sql_patches', '0.3.6')) {
285 * Since 0.3.6 we have a has_menu column, this took me a half
286 * hour to find a loop here... *sigh*
288 SQL_QUERY_ESC("INSERT INTO `{?_MYSQL_PREFIX?}_mod_reg`
289 (`module`, `locked`, `hidden`, `mem_only`, `admin_only`, `has_menu`)
291 ('%s','Y','N','N','N','N')", array($module_chk), __FUNCTION__, __LINE__);
293 // Wrong/missing sql_patches!
294 SQL_QUERY_ESC("INSERT INTO `{?_MYSQL_PREFIX?}_mod_reg`
295 (`module`, `locked`, `hidden`, `mem_only`, `admin_only`)
297 ('%s','Y','N','N','N')", array($module_chk), __FUNCTION__, __LINE__);
300 // Everthing is fine?
301 if (SQL_HASZEROAFFECTED()) {
302 // Something bad happend!
303 setModuleStatus($module_chk, 'major');
307 // Destroy cache here
308 // @TODO Rewrite this to a filter
309 if ((isHtmlOutputMode()) || (isRawOutputMode())) {
310 rebuildCache('modules', 'modules');
314 unset($GLOBALS['module_status'][$module_chk]);
315 return checkModulePermissions($module_chk);
317 // Module not found we don't add it to the database
318 setModuleStatus($module_chk, '404');
320 } elseif ((getModuleStatus($module_chk) == 'cache_miss') && (isHtmlOutputMode())) {
321 // Rebuild the cache files
322 rebuildCache('modules', 'modules');
323 } elseif ($found === false) {
324 // Problem with module detected
325 logDebugMessage(__FUNCTION__, __LINE__, sprintf("Problem in module %s detected. getModuleStatus()=%s,locked=%d,hidden=%d,mem=%d,admin=%d,output_mode=%s",
327 getModuleStatus($module_chk),
328 intval(isModuleLocked($module_chk)),
329 intval(isModuleHidden($module_chk)),
330 intval(isModuleMemberOnly($module_chk)),
331 intval(isModuleAdminOnly($module_chk)),
332 getScriptOutputMode()
337 logDebugMessage(__FUNCTION__, __LINE__, sprintf("module=%s, status=%s", $module_chk, getModuleStatus($module_chk)));
340 return getModuleStatus($module_chk);
343 // Checks if the module has a menu
344 function ifModuleHasMenu ($module, $forceDb = false) {
345 // All is false by default
348 // Extension installed and newer than or has version 0.1.2?
349 if (isExtensionInstalledAndNewer('cache', '0.1.2')) {
350 // Cache version is okay, so let's check the cache!
351 if (isset($GLOBALS['cache_array']['modules']['has_menu'][$module])) {
352 // Check module cache and count hit
353 $ret = ($GLOBALS['cache_array']['modules']['has_menu'][$module] == 'Y');
354 incrementStatsEntry('cache_hits');
355 } elseif (isset($GLOBALS['cache_array']['extension']['ext_menu'][$module])) {
356 // Check cache and count hit
357 $ret = ($GLOBALS['cache_array']['extension']['ext_menu'][$module] == 'Y');
358 incrementStatsEntry('cache_hits');
360 // Admin/guest/member/sponsor modules have always a menu!
361 $ret = in_array($module, array('admin', 'index', 'login', 'sponsor'));
363 } elseif ((isExtensionInstalledAndNewer('sql_patches', '0.3.6')) && ((!isExtensionActive('cache')) || ($forceDb === true))) {
364 // Check database for entry
365 $result = SQL_QUERY_ESC("SELECT `has_menu` FROM `{?_MYSQL_PREFIX?}_mod_reg` WHERE `module`='%s' LIMIT 1",
366 array($module), __FUNCTION__, __LINE__);
369 if (SQL_NUMROWS($result) == 1) {
370 // Load "has_menu" column
371 $data = SQL_FETCHARRAY($result);
374 $GLOBALS['cache_array']['extension']['ext_menu'][$module] = $data['has_menu'];
376 // Does it have a menu?
377 $ret = ($data['has_menu'] == 'Y');
381 SQL_FREERESULT($result);
382 } elseif (!isExtensionInstalled('sql_patches')) {
383 // No sql_patches installed, so maybe in admin/guest/member/sponsor area or no admin registered?
384 $ret = in_array($module, array('admin', 'index', 'login', 'sponsor')); // Then there is a menu!
386 // Unsupported state!
387 logDebugMessage(__FUNCTION__, __LINE__, 'This should never be reached.');
394 // Adds a SQL for given module
395 function addModuleSql ($module, $locked, $hidden, $adminOnly, $memOnly) {
396 // Is the module already registered?
397 if (!isModuleRegistered($module)) {
399 addExtensionSql("INSERT INTO `{?_MYSQL_PREFIX?}_mod_reg` (`module`,`locked`,`hidden`,`admin_only`,`mem_only`) VALUES('" . $module . "','" . $locked . "','" . $hidden . "','" . $adminOnly . "','" . $memOnly . "')");
401 // Already registered
402 logDebugMessage(__FUNCTION__, __LINE__, sprintf("Already registered: module=%s,locked=%s,hidden=%s,admin=%s,mem=%s",