2 rcs_id('$Id: main.php,v 1.212 2005-04-25 20:17:14 rurban Exp $');
4 Copyright 1999,2000,2001,2002,2004,2005 $ThePhpWikiProgrammingTeam
6 This file is part of PhpWiki.
8 PhpWiki is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 PhpWiki is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with PhpWiki; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 define ('USE_PREFS_IN_PAGE', true);
25 //include "lib/config.php";
26 require_once(dirname(__FILE__)."/stdlib.php");
27 require_once('lib/Request.php');
28 require_once('lib/WikiDB.php');
30 require_once("lib/WikiUserNew.php");
32 require_once("lib/WikiUser.php");
33 require_once("lib/WikiGroup.php");
35 require_once("lib/PagePerm.php");
38 * Check permission per page.
39 * Returns true or false.
41 function mayAccessPage ($access, $pagename) {
43 return _requiredAuthorityForPagename($access, $pagename); // typically [10-20ms per page]
48 class WikiRequest extends Request {
51 function WikiRequest () {
52 $this->_dbi = WikiDB::open($GLOBALS['DBParams']);
53 // first mysql request costs [958ms]! [670ms] is mysql_connect()
55 if (in_array('File', $this->_dbi->getAuthParam('USER_AUTH_ORDER'))) {
56 // force our local copy, until the pear version is fixed.
57 include_once(dirname(__FILE__)."/pear/File_Passwd.php");
59 if (ENABLE_USER_NEW) {
60 // Preload all necessary userclasses. Otherwise session => __PHP_Incomplete_Class_Name
61 // There's no way to demandload it later. This way it's much slower but needs
62 // less memory than loading all
64 include_once("lib/WikiUser/BogoLogin.php");
65 foreach ($GLOBALS['USER_AUTH_ORDER'] as $method) {
66 include_once("lib/WikiUser/$method.php");
68 switch($GLOBALS['DBParams']['dbtype']) {
69 case 'SQL' : include_once("lib/WikiUser/PearDb.php"); break;
70 case 'ADODB': include_once("lib/WikiUser/AdoDb.php"); break;
71 //case 'PDO' : include_once("lib/WikiUser/PdoDb.php"); break;
77 include_once('lib/DbSession.php');
79 $this->_dbsession = new DbSession($dbi, $dbi->getParam('prefix')
80 . $dbi->getParam('db_session_table'));
83 // Fixme: Does pear reset the error mask to 1? We have to find the culprit
84 //$x = error_reporting();
86 $this->version = phpwiki_version();
87 $this->Request(); // [90ms]
90 $this->setArg('pagename', $this->_deducePagename());
91 $this->setArg('action', $this->_deduceAction());
93 if ((DEBUG & _DEBUG_SQL) or (time() % 50 == 0)) {
94 if ($this->_dbi->_backend->optimize())
95 trigger_error(_("Optimizing database"), E_USER_NOTICE);
98 // Restore auth state. This doesn't check for proper authorization!
99 $userid = $this->_deduceUsername();
100 if (ENABLE_USER_NEW) {
101 if (isset($this->_user) and
102 !empty($this->_user->_authhow) and
103 $this->_user->_authhow == 'session')
105 // users might switch in a session between the two objects.
106 // restore old auth level here or in updateAuthAndPrefs?
107 //$user = $this->getSessionVar('wiki_user');
108 // revive db handle, because these don't survive sessions
109 if (isset($this->_user) and
110 ( ! isa($this->_user, WikiUserClassname())
111 or (strtolower(get_class($this->_user)) == '_passuser')))
113 $this->_user = WikiUser($userid, $this->_user->_prefs);
115 // revive other db handle
116 if (isset($this->_user->_prefs->_method)
117 and ($this->_user->_prefs->_method == 'SQL'
118 or $this->_user->_prefs->_method == 'ADODB'
119 //or $this->_user->_prefs->_method == 'PDO'
120 or $this->_user->_prefs->_method == 'HomePage')) {
121 $this->_user->_HomePagehandle = $this->getPage($userid);
123 // need to update the lockfile filehandle
124 if ( isa($this->_user,'_FilePassUser')
125 and $this->_user->_file->lockfile
126 and !$this->_user->_file->fplock )
128 //$level = $this->_user->_level;
129 $this->_user = UpgradeUser($this->_user,
130 new _FilePassUser($userid,
131 $this->_user->_prefs,
132 $this->_user->_file->filename));
133 //$this->_user->_level = $level;
135 $this->_prefs = & $this->_user->_prefs;
137 $user = WikiUser($userid);
138 $this->_user = & $user;
139 $this->_prefs = & $this->_user->_prefs;
142 $this->_user = new WikiUser($this, $userid);
143 $this->_prefs = $this->_user->getPreferences();
147 function initializeLang () {
148 // check non-default pref lang
149 $_lang = @$this->_prefs->_prefs['lang'];
150 if (isset($_lang->lang) and $_lang->lang != $GLOBALS['LANG']) {
151 $user_lang = $_lang->lang;
152 //check changed LANG and THEME inside a session.
153 // (e.g. by using another baseurl)
154 if (isset($this->_user->_authhow) and $this->_user->_authhow == 'session')
155 $user_lang = $GLOBALS['LANG'];
156 update_locale($user_lang);
157 FindLocalizedButtonFile(".",'missing_ok','reinit');
161 function initializeTheme () {
164 // Load non-default theme
165 $_theme = @$this->_prefs->_prefs['theme'];
166 if ($_theme and isset($_theme->theme))
167 $user_theme = $_theme->theme;
169 $user_theme = $this->getPref('theme');
170 //check changed LANG and THEME inside a session.
171 // (e.g. by using another baseurl)
172 if (isset($this->_user->_authhow)
173 and $this->_user->_authhow == 'session'
174 and !isset($_theme->theme)
176 and $user_theme != THEME)
178 include_once("themes/" . THEME . "/themeinfo.php");
180 if (empty($WikiTheme) and isset($user_theme)) {
181 if (strcspn($user_theme,"./\x00]") != strlen($user_theme)) {
182 trigger_error(sprintf("invalid theme '%s': Invalid characters detected", $user_theme),
184 $user_theme = "default";
186 include_once("themes/$user_theme/themeinfo.php");
188 if (empty($WikiTheme) and defined('THEME'))
189 include_once("themes/" . THEME . "/themeinfo.php");
190 if (empty($WikiTheme))
191 include_once("themes/default/themeinfo.php");
192 assert(!empty($WikiTheme));
195 // This really maybe should be part of the constructor, but since it
196 // may involve HTML/template output, the global $request really needs
197 // to be initialized before we do this stuff.
198 // [50ms]: 36ms is wikidb_page::exists
199 function updateAuthAndPrefs () {
201 if (isset($this->_user) and (!isa($this->_user, WikiUserClassname()))) {
202 $this->_user = false;
204 // Handle authentication request, if any.
205 if ($auth_args = $this->getArg('auth')) {
206 $this->setArg('auth', false);
207 $this->_handleAuthRequest($auth_args); // possible NORETURN
209 elseif ( ! $this->_user
210 or (isa($this->_user, WikiUserClassname())
211 and ! $this->_user->isSignedIn())) {
212 // If not auth request, try to sign in as saved user.
213 if (($saved_user = $this->getPref('userid')) != false) {
214 $this->_signIn($saved_user);
218 $action = $this->getArg('action');
220 // Save preferences in session and cookie
221 if ((defined('WIKI_XMLRPC') and !WIKI_XMLRPC) or $action != 'xmlrpc') {
222 if (isset($this->_user)) {
223 if (!isset($this->_user->_authhow) or $this->_user->_authhow != 'session') {
224 $this->_user->setPreferences($this->_prefs, true);
227 $this->setSessionVar('wiki_user', $this->_user);
230 // Ensure user has permissions for action
231 // HACK ALERT: We may not set the request arg to create,
232 // since the pageeditor has an ugly logic for action == create.
233 if ($action == 'edit' or $action == 'create') {
234 $page = $this->getPage();
235 if (! $page->exists() )
240 $require_level = $this->requiredAuthority($action);
241 if (! $this->_user->hasAuthority($require_level))
242 $this->_notAuthorized($require_level); // NORETURN
245 function & getUser () {
246 if (isset($this->_user))
249 return $GLOBALS['ForbiddenUser'];
252 function & getGroup () {
253 if (isset($this->_user) and isset($this->_user->_group))
254 return $this->_user->_group;
256 // Debug Strict: Only variable references should be returned by reference
257 $this->_user->_group = WikiGroup::getGroup();
258 return $this->_user->_group;
262 function & getPrefs () {
263 return $this->_prefs;
266 // Convenience function:
267 function getPref ($key) {
268 if (isset($this->_prefs)) {
269 return $this->_prefs->get($key);
272 function & getDbh () {
277 * Get requested page from the page database.
278 * By default it will grab the page requested via the URL
280 * This is a convenience function.
281 * @param string $pagename Name of page to get.
282 * @return WikiDB_Page Object with methods to pull data from
283 * database for the page requested.
285 function getPage ($pagename = false) {
286 //if (!isset($this->_dbi)) $this->getDbh();
288 $pagename = $this->getArg('pagename');
289 return $this->_dbi->getPage($pagename);
292 /** Get URL for POST actions.
294 * Officially, we should just use SCRIPT_NAME (or some such),
295 * but that causes problems when we try to issue a redirect, e.g.
296 * after saving a page.
298 * Some browsers (at least NS4 and Mozilla 0.97 won't accept
299 * a redirect from a page to itself.)
301 * So, as a HACK, we include pagename and action as query args in
302 * the URL. (These should be ignored when we receive the POST
305 function getPostURL ($pagename=false) {
306 global $HTTP_GET_VARS;
308 if ($pagename === false)
309 $pagename = $this->getArg('pagename');
310 $action = $this->getArg('action');
311 if (!empty($HTTP_GET_VARS['start_debug'])) // zend ide support
312 return WikiURL($pagename, array('action' => $action, 'start_debug' => 1));
314 return WikiURL($pagename, array('action' => $action));
317 function _handleAuthRequest ($auth_args) {
318 if (!is_array($auth_args))
321 // Ignore password unless POST'ed.
322 if (!$this->isPost())
323 unset($auth_args['passwd']);
325 $olduser = $this->_user;
326 $user = $this->_user->AuthCheck($auth_args);
327 if (isa($user, WikiUserClassname())) {
328 // Successful login (or logout.)
329 $this->_setUser($user);
331 elseif (is_string($user)) {
332 // Login attempt failed.
333 $fail_message = $user;
334 $auth_args['pass_required'] = true;
335 // if clicked just on to the "sign in as:" button dont print invalid username.
336 if (!empty($auth_args['login']) and empty($auth_args['userid']))
338 // If no password was submitted, it's not really
339 // a failure --- just need to prompt for password...
340 if (!ALLOW_USER_PASSWORDS
342 and !isset($auth_args['passwd']))
344 $fail_message = false;
346 $olduser->PrintLoginForm($this, $auth_args, $fail_message, 'newpage');
347 $this->finish(); //NORETURN
350 // Login request cancelled.
355 * Attempt to sign in (bogo-login).
359 * @param $userid string Userid to attempt to sign in as.
362 function _signIn ($userid) {
363 if (ENABLE_USER_NEW) {
365 $this->_user = new _BogoUser($userid);
366 // FIXME: is this always false? shouldn't we try passuser first?
368 $this->_user = new _PassUser($userid);
370 $user = $this->_user->AuthCheck(array('userid' => $userid));
371 if (isa($user, WikiUserClassname())) {
372 $this->_setUser($user); // success!
376 // login or logout or restore state
377 function _setUser (&$user) {
378 $this->_user =& $user;
379 if (defined('MAIN_setUser')) return;
380 define('MAIN_setUser',true);
381 $this->setCookieVar('WIKI_ID', $user->getAuthenticatedId(),
382 COOKIE_EXPIRATION_DAYS, COOKIE_DOMAIN);
383 if ($user->isSignedIn())
384 $user->_authhow = 'signin';
386 // Save userid to prefs..
387 if ( empty($this->_user->_prefs)) {
388 $this->_user->_prefs = $this->_user->getPreferences();
389 $this->_prefs =& $this->_user->_prefs;
391 $this->_user->_group = $this->getGroup();
392 $this->setSessionVar('wiki_user', $user);
393 $this->_prefs->set('userid',
394 $user->isSignedIn() ? $user->getId() : '');
395 $this->initializeTheme();
398 /* Permission system */
399 function getLevelDescription($level) {
400 static $levels = false;
401 if (!$levels) // This looks like a Visual Basic hack. For the very same reason. "0"
402 $levels = array('x-1' => _("FORBIDDEN"),
407 'x100'=> _("UNOBTAINABLE"));
410 if (!empty($levels["x".$level]))
411 return $levels["x".$level];
416 function _notAuthorized ($require_level) {
417 // Display the authority message in the Wiki's default
418 // language, in case it is not english.
420 // Note that normally a user will not see such an error once
421 // logged in, unless the admin has altered the default
422 // disallowed wikiactions. In that case we should probably
423 // check the user's language prefs too at this point; this
424 // would be a situation which is not really handled with the
426 if (empty($GLOBALS['LANG']))
427 update_locale(DEFAULT_LANGUAGE);
429 // User does not have required authority. Prompt for login.
430 $what = $this->getActionDescription($this->getArg('action'));
431 $pass_required = ($require_level >= WIKIAUTH_USER);
432 if ($require_level == WIKIAUTH_UNOBTAINABLE) {
433 global $DisabledActions;
434 if ($DisabledActions and in_array($action, $DisabledActions)) {
435 $msg = fmt("%s is disallowed on this wiki.",
436 $this->getDisallowedActionDescription($this->getArg('action')));
440 // Is the reason a missing ACL or just wrong user or password?
441 if (class_exists('PagePermission')) {
442 $user =& $this->_user;
443 $status = $user->isAuthenticated() ? _("authenticated") : _("not authenticated");
444 $msg = fmt("%s %s %s is disallowed on this wiki for %s user '%s' (level: %s).",
445 _("Missing PagePermission:"),
446 action2access($this->getArg('action')),
447 $this->getArg('pagename'),
448 $status, $user->getId(), $this->getLevelDescription($user->_level));
449 // TODO: add link to action=setacl
450 $user->PrintLoginForm($this, compact('pass_required'), $msg);
454 $msg = fmt("%s is disallowed on this wiki.",
455 $this->getDisallowedActionDescription($this->getArg('action')));
456 $this->_user->PrintLoginForm($this, compact('require_level','pass_required'), $msg);
461 elseif ($require_level == WIKIAUTH_BOGO)
462 $msg = fmt("You must sign in to %s.", $what);
463 elseif ($require_level == WIKIAUTH_USER)
464 $msg = fmt("You must log in to %s.", $what);
465 elseif ($require_level == WIKIAUTH_ANON)
466 $msg = fmt("Access for you is forbidden to %s.", $what);
468 $msg = fmt("You must be an administrator to %s.", $what);
470 $this->_user->PrintLoginForm($this, compact('require_level','pass_required'), $msg);
471 $this->finish(); // NORETURN
474 // Fixme: for PagePermissions we'll need other strings,
475 // relevant to the requested page, not just for the action on the whole wiki.
476 function getActionDescription($action) {
477 static $actionDescriptions;
478 if (! $actionDescriptions) {
480 = array('browse' => _("view this page"),
481 'diff' => _("diff this page"),
482 'dumphtml' => _("dump html pages"),
483 'dumpserial' => _("dump serial pages"),
484 'edit' => _("edit this page"),
485 'revert' => _("revert to a previous version of this page"),
486 'create' => _("create this page"),
487 'loadfile' => _("load files into this wiki"),
488 'lock' => _("lock this page"),
489 'remove' => _("remove this page"),
490 'unlock' => _("unlock this page"),
491 'upload' => _("upload a zip dump"),
492 'verify' => _("verify the current action"),
493 'viewsource' => _("view the source of this page"),
494 'xmlrpc' => _("access this wiki via XML-RPC"),
495 'soap' => _("access this wiki via SOAP"),
496 'zip' => _("download a zip dump from this wiki"),
497 'ziphtml' => _("download an html zip dump from this wiki")
500 if (in_array($action, array_keys($actionDescriptions)))
501 return $actionDescriptions[$action];
507 TODO: check against these cases:
508 if ($DisabledActions and in_array($action, $DisabledActions))
509 return WIKIAUTH_UNOBTAINABLE;
511 if (ENABLE_PAGEPERM and class_exists("PagePermission")) {
512 return requiredAuthorityForPage($action);
514 => Browsing pages is disallowed on this wiki for authenticated user 'rurban' (level: BOGO).
516 function getDisallowedActionDescription($action) {
517 static $disallowedActionDescriptions;
519 if (! $disallowedActionDescriptions) {
520 $disallowedActionDescriptions
521 = array('browse' => _("Browsing pages"),
522 'diff' => _("Diffing pages"),
523 'dumphtml' => _("Dumping html pages"),
524 'dumpserial' => _("Dumping serial pages"),
525 'edit' => _("Editing pages"),
526 'revert' => _("Reverting to a previous version of pages"),
527 'create' => _("Creating pages"),
528 'loadfile' => _("Loading files"),
529 'lock' => _("Locking pages"),
530 'remove' => _("Removing pages"),
531 'unlock' => _("Unlocking pages"),
532 'upload' => _("Uploading zip dumps"),
533 'verify' => _("Verify the current action"),
534 'viewsource' => _("Viewing the source of pages"),
535 'xmlrpc' => _("XML-RPC access"),
536 'soap' => _("SOAP access"),
537 'zip' => _("Downloading zip dumps"),
538 'ziphtml' => _("Downloading html zip dumps")
541 if (in_array($action, array_keys($disallowedActionDescriptions)))
542 return $disallowedActionDescriptions[$action];
547 function requiredAuthority ($action) {
548 $auth = $this->requiredAuthorityForAction($action);
549 if (!ALLOW_ANON_USER) return WIKIAUTH_USER;
552 * This is a hook for plugins to require authority
553 * for posting to them.
555 * IMPORTANT: This is not a secure check, so the plugin
556 * may not assume that any POSTs to it are authorized.
557 * All this does is cause PhpWiki to prompt for login
558 * if the user doesn't have the required authority.
560 if ($this->isPost()) {
561 $post_auth = $this->getArg('require_authority_for_post');
562 if ($post_auth !== false)
563 $auth = max($auth, $post_auth);
568 function requiredAuthorityForAction ($action) {
569 global $DisabledActions;
571 if ($DisabledActions and in_array($action, $DisabledActions))
572 return WIKIAUTH_UNOBTAINABLE;
574 if (ENABLE_PAGEPERM and class_exists("PagePermission")) {
575 return requiredAuthorityForPage($action);
587 return WIKIAUTH_ANON;
591 if (defined('ZIPDUMP_AUTH') && ZIPDUMP_AUTH)
592 return WIKIAUTH_ADMIN;
593 return WIKIAUTH_ANON;
598 if (defined('REQUIRE_SIGNIN_BEFORE_EDIT') && REQUIRE_SIGNIN_BEFORE_EDIT)
599 return WIKIAUTH_BOGO;
600 return WIKIAUTH_ANON;
601 // return WIKIAUTH_BOGO;
604 $page = $this->getPage();
605 $current = $page->getCurrentRevision();
606 if ($current->hasDefaultContents())
607 return $this->requiredAuthorityForAction('edit');
608 return $this->requiredAuthorityForAction('browse');
621 return WIKIAUTH_ADMIN;
623 /* authcheck occurs only in the plugin.
624 required actionpage RateIt */
627 case 'delete_rating':
628 // Perhaps this should be WIKIAUTH_USER
629 return WIKIAUTH_BOGO;
633 global $WikiNameRegexp;
634 if (preg_match("/$WikiNameRegexp\Z/A", $action))
635 return WIKIAUTH_ANON; // ActionPage.
637 return WIKIAUTH_ADMIN;
641 /* End of Permission system */
643 function possiblyDeflowerVirginWiki () {
644 if ($this->getArg('action') != 'browse')
646 if ($this->getArg('pagename') != HOME_PAGE)
649 $page = $this->getPage();
650 $current = $page->getCurrentRevision();
651 if ($current->getVersion() > 0)
652 return; // Homepage exists.
654 include('lib/loadsave.php');
656 $this->finish(); // NORETURN
659 // [574ms] mainly template:printexpansion: 393ms and template::expandsubtemplate [100+70+60ms]
660 function handleAction () {
661 $action = $this->getArg('action');
662 if ($this->isPost() and !$this->_user->isAdmin() and $action != 'browse') {
663 $page = $this->getPage();
664 if ( $page->get('moderation') ) {
665 require_once("lib/WikiPlugin.php");
666 $loader = new WikiPluginLoader();
667 $plugin = $loader->getPlugin("ModeratedPage");
668 if ($plugin->handler($this, $page)) {
671 array('class' => 'wiki-edithelp'),
672 fmt("%s: action forwarded to a moderator.",
675 _("This action requires moderator approval. Please be patient."));
676 if (!empty($plugin->_tokens['CONTENT']))
677 $plugin->_tokens['CONTENT']->pushContent
680 _("You must wait for moderator approval."));
682 $plugin->_tokens['CONTENT'] = $CONTENT;
683 require_once("lib/Template.php");
684 $title = WikiLink($page->getName());
685 $title->pushContent(' : ', WikiLink(_("ModeratedPage")));
686 GeneratePage(Template('browse', $plugin->_tokens),
688 $page->getCurrentRevision());
693 $method = "action_$action";
694 if (method_exists($this, $method)) {
697 elseif ($page = $this->findActionPage($action)) {
698 $this->actionpage($page);
701 $this->finish(fmt("%s: Bad action", $action));
705 function finish ($errormsg = false) {
709 exit(); // just in case CloseDataBase calls us
712 global $ErrorManager;
713 $ErrorManager->flushPostponedErrors();
715 if (!empty($errormsg)) {
718 HTML::h2(_("Fatal PhpWiki Error")),
721 echo "\n</body></html>";
723 if (is_object($this->_user)) {
724 $this->_user->page = $this->getArg('pagename');
725 $this->_user->action = $this->getArg('action');
726 unset($this->_user->_HomePagehandle);
727 unset($this->_user->_auth_dbi);
734 * Generally pagename is rawurlencoded for older browsers or mozilla.
735 * Typing a pagename into the IE bar will utf-8 encode it, so we have to
736 * fix that with fixTitleEncoding().
737 * If USE_PATH_INFO = true, the pagename is stripped from the "/DATA_PATH/PageName&arg=value" line.
738 * If false, we support either "/index.php?pagename=PageName&arg=value",
739 * or the first arg (1.2.x style): "/index.php?PageName&arg=value"
741 function _deducePagename () {
742 if (trim(rawurldecode($this->getArg('pagename'))))
743 return fixTitleEncoding(rawurldecode($this->getArg('pagename')));
746 $pathinfo = $this->get('PATH_INFO');
747 if (empty($pathinfo)) { // fix for CGI
748 $path = $this->get('REQUEST_URI');
749 $script = $this->get('SCRIPT_NAME');
750 $pathinfo = substr($path,strlen($script));
751 $pathinfo = preg_replace('/\?.+$/','',$pathinfo);
753 $tail = substr($pathinfo, strlen(PATH_INFO_PREFIX));
755 if (trim($tail) != '' and $pathinfo == PATH_INFO_PREFIX . $tail) {
756 return fixTitleEncoding($tail);
759 elseif ($this->isPost()) {
761 * In general, for security reasons, HTTP_GET_VARS should be ignored
762 * on POST requests, but we make an exception here (only for pagename).
764 * The justification for this hack is the following
765 * asymmetry: When POSTing with USE_PATH_INFO set, the
766 * pagename can (and should) be communicated through the
767 * request URL via PATH_INFO. When POSTing with
768 * USE_PATH_INFO off, this cannot be done --- the only way
769 * to communicate the pagename through the URL is via
770 * QUERY_ARGS (HTTP_GET_VARS).
772 global $HTTP_GET_VARS;
773 if (isset($HTTP_GET_VARS['pagename']) and trim($HTTP_GET_VARS['pagename'])) {
774 return fixTitleEncoding(rawurldecode($HTTP_GET_VARS['pagename']));
779 * Support for PhpWiki 1.2 style requests.
780 * Strip off "&" args (?PageName&action=...&start_debug,...)
782 $query_string = $this->get('QUERY_STRING');
783 if (trim(rawurldecode($query_string)) and preg_match('/^([^&=]+)(&.+)?$/', $query_string, $m)) {
784 return fixTitleEncoding(rawurldecode($m[1]));
787 return fixTitleEncoding(HOME_PAGE);
790 function _deduceAction () {
791 if (!($action = $this->getArg('action'))) {
792 // Detect XML-RPC requests. TODO: SOAP?
794 && $this->get('CONTENT_TYPE') == 'text/xml'
795 && strstr($GLOBALS['HTTP_RAW_POST_DATA'], '<methodCall>')
800 return 'browse'; // Default if no action specified.
803 if (method_exists($this, "action_$action"))
806 // Allow for, e.g. action=LikePages
807 if ($this->isActionPage($action))
810 // Handle untranslated actionpages in non-english
811 // (people playing with switching languages)
812 if (0 and $GLOBALS['LANG'] != 'en') {
813 require_once("lib/plugin/_WikiTranslation.php");
814 $trans = new WikiPlugin__WikiTranslation();
815 $en_action = $trans->translate($action,'en',$GLOBALS['LANG']);
816 if ($this->isActionPage($en_action))
820 trigger_error("$action: Unknown action", E_USER_NOTICE);
824 function _deduceUsername() {
825 global $HTTP_SERVER_VARS, $HTTP_ENV_VARS;
827 if (!empty($this->args['auth']) and !empty($this->args['auth']['userid']))
828 return $this->args['auth']['userid'];
830 if (!empty($HTTP_SERVER_VARS['PHP_AUTH_USER']))
831 return $HTTP_SERVER_VARS['PHP_AUTH_USER'];
833 if (!empty($HTTP_SERVER_VARS['REMOTE_USER']))
834 return $HTTP_SERVER_VARS['REMOTE_USER'];
835 if (!empty($HTTP_ENV_VARS['REMOTE_USER']))
836 return $HTTP_ENV_VARS['REMOTE_USER'];
838 if ($user = $this->getSessionVar('wiki_user')) {
839 // switched auth between sessions.
840 // Note: There's no way to demandload a missing class-definition
841 // afterwards! (Stupid php)
842 if (isa($user, WikiUserClassname())) {
843 $this->_user = $user;
844 $this->_user->_authhow = 'session';
845 return ENABLE_USER_NEW ? $user->UserName() : $this->_user;
848 if ($userid = $this->getCookieVar('WIKI_ID')) {
849 if (!empty($userid) and substr($userid,0,2) != 's:') {
850 $this->_user->authhow = 'cookie';
855 if ($this->getArg('action') == 'xmlrpc') { // how about SOAP?
856 // wiki.putPage has special otional userid/passwd arguments. check that later.
858 if (isset($HTTP_SERVER_VARS['REMOTE_USER']))
859 $userid = $HTTP_SERVER_VARS['REMOTE_USER'];
860 elseif (isset($HTTP_SERVER_VARS['REMOTE_ADDR']))
861 $userid = $HTTP_SERVER_VARS['REMOTE_ADDR'];
862 elseif (isset($HTTP_ENV_VARS['REMOTE_ADDR']))
863 $userid = $HTTP_ENV_VARS['REMOTE_ADDR'];
864 elseif (isset($GLOBALS['REMOTE_ADDR']))
865 $userid = $GLOBALS['REMOTE_ADDR'];
872 function _isActionPage ($pagename) {
873 $dbi = $this->getDbh();
874 $page = $dbi->getPage($pagename);
875 if (!$page) return false;
876 $rev = $page->getCurrentRevision();
877 // FIXME: more restrictive check for sane plugin?
878 if (strstr($rev->getPackedContent(), '<?plugin'))
880 if (!$rev->hasDefaultContents())
881 trigger_error("$pagename: Does not appear to be an 'action page'", E_USER_NOTICE);
885 function findActionPage ($action) {
888 // check for translated version, as per users preferred language
889 // (or system default in case it is not en)
890 $translation = gettext($action);
892 if (isset($cache) and isset($cache[$translation]))
893 return $cache[$translation];
895 // check for cached translated version
896 if ($this->_isActionPage($translation))
897 return $cache[$action] = $translation;
899 // Allow for, e.g. action=LikePages
900 if (!isWikiWord($action))
901 return $cache[$action] = false;
903 // check for translated version (default language)
906 require_once("lib/WikiPlugin.php");
907 require_once("lib/plugin/_WikiTranslation.php");
908 $trans = new WikiPlugin__WikiTranslation();
909 $trans->lang = $LANG;
910 $default = $trans->translate_to_en($action, $LANG);
911 if ($this->_isActionPage($default))
912 return $cache[$action] = $default;
914 $default = $translation;
917 // check for english version
918 if ($action != $translation and $action != $default) {
919 if ($this->_isActionPage($action))
920 return $cache[$action] = $action;
923 trigger_error("$action: Cannot find action page", E_USER_NOTICE);
924 return $cache[$action] = false;
927 function isActionPage ($pagename) {
928 return $this->findActionPage($pagename);
931 function action_browse () {
932 $this->buffer_output();
933 include_once("lib/display.php");
937 function action_verify () {
938 $this->action_browse();
941 function actionpage ($action) {
942 $this->buffer_output();
943 include_once("lib/display.php");
944 actionPage($this, $action);
947 function adminActionSubpage ($subpage) {
948 $page = _("PhpWikiAdministration")."/".$subpage;
949 $action = $this->findActionPage($page);
951 $this->setArg('s',$this->getArg('pagename'));
952 $this->setArg('verify',1);
953 $this->setArg('action',$action);
954 $this->actionpage($action);
956 trigger_error($page.": Cannot find action page", E_USER_WARNING);
960 function action_chown () {
961 $this->adminActionSubpage(_("Chown"));
964 function action_setacl () {
965 $this->adminActionSubpage(_("SetAcl"));
968 function action_rename () {
969 $this->adminActionSubpage(_("Rename"));
972 function action_dump () {
973 $action = $this->findActionPage(_("PageDump"));
975 $this->actionpage($action);
977 // redirect to action=upgrade if admin?
978 trigger_error(_("PageDump").": Cannot find action page", E_USER_WARNING);
982 function action_diff () {
983 $this->buffer_output();
984 include_once "lib/diff.php";
988 function action_search () {
989 // This is obsolete: reformulate URL and redirect.
990 // FIXME: this whole section should probably be deleted.
991 if ($this->getArg('searchtype') == 'full') {
992 $search_page = _("FullTextSearch");
995 $search_page = _("TitleSearch");
997 $this->redirect(WikiURL($search_page,
998 array('s' => $this->getArg('searchterm')),
1002 function action_edit () {
1003 $this->buffer_output();
1004 include "lib/editpage.php";
1005 $e = new PageEditor ($this);
1009 function action_create () {
1010 $this->action_edit();
1013 function action_viewsource () {
1014 $this->buffer_output();
1015 include "lib/editpage.php";
1016 $e = new PageEditor ($this);
1020 function action_lock () {
1021 $page = $this->getPage();
1022 $page->set('locked', true);
1023 $this->_dbi->touch();
1024 // check ModeratedPage hook
1025 if ($moderated = $page->get('moderated')) {
1026 require_once("lib/WikiPlugin.php");
1027 $plugin = WikiPluginLoader::getPlugin("ModeratedPage");
1028 if ($retval = $plugin->lock_check($this, $page, $moderated))
1029 $this->setArg('errormsg', $retval);
1031 // check if a link to ModeratedPage exists
1032 elseif ($action_page = $page->existLink(_("ModeratedPage"))) {
1033 require_once("lib/WikiPlugin.php");
1034 $plugin = WikiPluginLoader::getPlugin("ModeratedPage");
1035 if ($retval = $plugin->lock_add($this, $page, $action_page))
1036 $this->setArg('errormsg', $retval);
1038 $this->action_browse();
1041 function action_unlock () {
1042 $page = $this->getPage();
1043 $page->set('locked', false);
1044 $this->_dbi->touch();
1045 $this->action_browse();
1048 function action_remove () {
1049 // This check is now redundant.
1050 //$user->requireAuth(WIKIAUTH_ADMIN);
1051 $pagename = $this->getArg('pagename');
1052 if (strstr($pagename, _("PhpWikiAdministration"))) {
1053 $this->action_browse();
1055 include('lib/removepage.php');
1060 function action_xmlrpc () {
1061 include_once("lib/XmlRpcServer.php");
1062 $xmlrpc = new XmlRpcServer($this);
1066 function action_revert () {
1067 include_once "lib/loadsave.php";
1071 function action_zip () {
1072 include_once("lib/loadsave.php");
1074 // I don't think it hurts to add cruft at the end of the zip file.
1075 //echo "\n========================================================\n";
1076 //echo "PhpWiki " . PHPWIKI_VERSION . " source:\n$GLOBALS[RCS_IDS]\n";
1079 function action_ziphtml () {
1080 include_once("lib/loadsave.php");
1081 MakeWikiZipHtml($this);
1082 // I don't think it hurts to add cruft at the end of the zip file.
1083 echo "\n========================================================\n";
1084 echo "PhpWiki " . PHPWIKI_VERSION . " source:\n$GLOBALS[RCS_IDS]\n";
1087 function action_dumpserial () {
1088 include_once("lib/loadsave.php");
1092 function action_dumphtml () {
1093 include_once("lib/loadsave.php");
1094 DumpHtmlToDir($this);
1097 function action_upload () {
1098 include_once("lib/loadsave.php");
1099 LoadPostFile($this);
1102 function action_upgrade () {
1103 include_once("lib/loadsave.php");
1104 include_once("lib/upgrade.php");
1108 function action_loadfile () {
1109 include_once("lib/loadsave.php");
1110 LoadFileOrDir($this);
1113 function action_pdf () {
1114 include_once("lib/pdf.php");
1115 ConvertAndDisplayPdf($this);
1118 function action_captcha () {
1119 include_once "lib/Captcha.php";
1120 captcha_image ( $this->getSessionVar('captchaword'));
1125 //FIXME: deprecated with ENABLE_PAGEPERM (?)
1126 function is_safe_action ($action) {
1128 return $request->requiredAuthorityForAction($action) < WIKIAUTH_ADMIN;
1131 function validateSessionPath() {
1132 // Try to defer any session.save_path PHP errors before any html
1133 // is output, which causes some versions of IE to display a blank
1134 // page (due to its strict mode while parsing a page?).
1135 if (! is_writeable(ini_get('session.save_path'))) {
1136 $tmpdir = (defined('SESSION_SAVE_PATH') and SESSION_SAVE_PATH) ? SESSION_SAVE_PATH : '/tmp';
1137 if (!is_writeable($tmpdir))
1140 (sprintf(_("%s is not writable."),
1141 _("The session.save_path directory"))
1143 . sprintf(_("Please ensure that %s is writable, or redefine %s in config/config.ini."),
1144 sprintf(_("the session.save_path directory '%s'"),
1145 ini_get('session.save_path')),
1146 'SESSION_SAVE_PATH')
1148 . sprintf(_("Attempting to use the directory '%s' instead."),
1151 if (! is_writeable($tmpdir)) {
1153 (sprintf(_("%s is not writable."), $tmpdir)
1155 . _("Users will not be able to sign in.")
1159 @ini_set('session.save_path', $tmpdir);
1164 if ( !USE_DB_SESSION )
1165 validateSessionPath();
1168 if ((DEBUG & _DEBUG_APD) and extension_loaded("apd"))
1169 apd_set_session_trace(9);
1171 // Postpone warnings
1172 global $ErrorManager;
1173 if (defined('E_STRICT')) // and (E_ALL & E_STRICT)) // strict php5?
1174 $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE|E_USER_WARNING|E_WARNING|E_STRICT);
1176 $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE|E_USER_WARNING|E_WARNING);
1177 $request = new WikiRequest();
1179 $action = $request->getArg('action');
1180 if (substr($action, 0, 3) != 'zip') {
1181 if ($action == 'pdf')
1182 $ErrorManager->setPostponedErrorMask(-1); // everything
1183 //else // reject postponing of warnings
1184 // $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE);
1188 * Allow for disabling of markup cache.
1189 * (Mostly for debugging ... hopefully.)
1191 * See also <?plugin WikiAdminUtils action=purge-cache ?>
1193 if (!defined('WIKIDB_NOCACHE_MARKUP')) {
1194 if ($request->getArg('nocache')) // 1 or purge
1195 define('WIKIDB_NOCACHE_MARKUP', $request->getArg('nocache'));
1197 define('WIKIDB_NOCACHE_MARKUP', false); // redundant, but explicit
1200 // Initialize with system defaults in case user not logged in.
1201 // Should this go into constructor?
1202 $request->initializeTheme();
1204 $request->updateAuthAndPrefs();
1205 $request->initializeLang();
1208 //if ($user->is_authenticated())
1209 // $LogEntry->user = $user->getId();
1211 // Memory optimization:
1212 // http://www.procata.com/blog/archives/2004/05/27/rephlux-and-php-memory-usage/
1213 // kill the global PEAR _PEAR_destructor_object_list
1214 if (!empty($_PEAR_destructor_object_list))
1215 $_PEAR_destructor_object_list = array();
1216 $request->possiblyDeflowerVirginWiki();
1218 // hack! define proper actions for these.
1219 if (defined('WIKI_XMLRPC') and WIKI_XMLRPC) return;
1220 if (defined('WIKI_SOAP') and WIKI_SOAP) return;
1222 $validators = array('wikiname' => WIKI_NAME,
1223 'args' => hash($request->getArgs()),
1224 'prefs' => hash($request->getPrefs()));
1225 if (CACHE_CONTROL == 'STRICT') {
1226 $dbi = $request->getDbh();
1227 $timestamp = $dbi->getTimestamp();
1228 $validators['mtime'] = $timestamp;
1229 $validators['%mtime'] = (int)$timestamp;
1231 // FIXME: we should try to generate strong validators when possible,
1232 // but for now, our validator is weak, since equal validators do not
1233 // indicate byte-level equality of content. (Due to DEBUG timing output, etc...)
1235 // (If DEBUG if off, this may be a strong validator, but I'm going
1236 // to go the paranoid route here pending further study and testing.)
1238 $validators['%weak'] = true;
1239 $request->setValidators($validators);
1241 $request->handleAction();
1243 if (DEBUG and DEBUG & _DEBUG_INFO) phpinfo(INFO_VARIABLES | INFO_MODULES);
1247 //$x = error_reporting(); // DEBUG: why is it 1 here? should be E_ALL
1248 if (defined('E_STRICT') and (E_ALL & E_STRICT)) // strict php5?
1249 error_reporting(E_ALL & ~E_STRICT); // exclude E_STRICT
1251 error_reporting(E_ALL); // php4
1252 // don't run the main loop for special requests (test, getimg, xmlrpc, soap, ...)
1253 if (!defined('PHPWIKI_NOMAIN') or !PHPWIKI_NOMAIN)
1257 // $Log: not supported by cvs2svn $
1258 // Revision 1.211 2005/04/11 19:42:54 rurban
1259 // reformatting, SESSION_SAVE_PATH check
1261 // Revision 1.210 2005/04/07 06:06:34 rurban
1262 // add _SERVER[REMOTE_USER] check for pubcookie et al, Bug #1177259 (iamjpr)
1264 // Revision 1.209 2005/04/06 06:19:30 rurban
1265 // Revert the previous wrong bugfix #1175761: USECACHE was mixed with WIKIDB_NOCACHE_MARKUP.
1266 // Fix WIKIDB_NOCACHE_MARKUP in main (always set it) and clarify it in WikiDB
1268 // Revision 1.208 2005/02/28 21:24:32 rurban
1269 // ignore forbidden ini_set warnings. Bug #1117254 by Xavier Roche
1271 // Revision 1.207 2005/02/10 19:03:37 rurban
1272 // try to avoid duoplicate lang/theme init
1274 // Revision 1.206 2005/02/04 11:30:10 rurban
1275 // remove old comments
1277 // Revision 1.205 2005/01/29 20:41:47 rurban
1278 // some minor php5 strictness fixes
1280 // Revision 1.204 2005/01/25 07:35:42 rurban
1283 // Revision 1.203 2005/01/21 14:11:23 rurban
1284 // better moderation class tag
1286 // Revision 1.202 2005/01/21 12:02:32 rurban
1287 // deduce username for xmlrpc also
1289 // Revision 1.201 2005/01/20 10:18:17 rurban
1292 // Revision 1.200 2004/12/26 17:08:36 rurban
1293 // php5 fixes: case-sensitivity, no & new
1295 // Revision 1.199 2004/12/19 00:58:01 rurban
1296 // Enforce PASSWORD_LENGTH_MINIMUM in almost all PassUser checks,
1297 // Provide an errormessage if so. Just PersonalPage and BogoLogin not.
1298 // Simplify httpauth logout handling and set sessions for all methods.
1299 // fix main.php unknown index "x" getLevelDescription() warning.
1301 // Revision 1.198 2004/12/17 16:49:51 rurban
1302 // avoid Invalid username message on Sign In button click
1304 // Revision 1.197 2004/12/17 16:39:55 rurban
1305 // enable sessions for HttpAuth
1307 // Revision 1.196 2004/12/10 02:36:43 rurban
1308 // More help with the new native xmlrpc lib. no warnings, no user cookie on xmlrpc.
1310 // Revision 1.195 2004/12/09 22:24:44 rurban
1311 // optimize on _DEBUG_SQL only. but now again on every 50th request, not just save.
1313 // Revision 1.194 2004/11/30 17:46:49 rurban
1314 // added ModeratedPage POST action hook (part 2/3)
1316 // Revision 1.193 2004/11/30 07:51:08 rurban
1317 // fixed SESSION_SAVE_PATH warning msg
1319 // Revision 1.192 2004/11/21 11:59:20 rurban
1320 // remove final \n to be ob_cache independent
1322 // Revision 1.191 2004/11/19 19:22:03 rurban
1323 // ModeratePage part1: change status
1325 // Revision 1.190 2004/11/15 15:56:40 rurban
1326 // don't load PagePerm on ENABLE_PAGEPERM = false to save memory. Move mayAccessPage() to main.php
1328 // Revision 1.189 2004/11/09 17:11:16 rurban
1329 // * revert to the wikidb ref passing. there's no memory abuse there.
1330 // * use new wikidb->_cache->_id_cache[] instead of wikidb->_iwpcache, to effectively
1331 // store page ids with getPageLinks (GleanDescription) of all existing pages, which
1332 // are also needed at the rendering for linkExistingWikiWord().
1333 // pass options to pageiterator.
1334 // use this cache also for _get_pageid()
1335 // This saves about 8 SELECT count per page (num all pagelinks).
1336 // * fix passing of all page fields to the pageiterator.
1337 // * fix overlarge session data which got broken with the latest ACCESS_LOG_SQL changes
1339 // Revision 1.188 2004/11/07 16:02:52 rurban
1340 // new sql access log (for spam prevention), and restructured access log class
1341 // dbh->quote (generic)
1342 // pear_db: mysql specific parts seperated (using replace)
1344 // Revision 1.187 2004/11/05 22:08:52 rurban
1345 // Ok: Fix loading all required userclasses beforehand. This is much slower than before but safes a few bytes RAM
1347 // Revision 1.186 2004/11/05 20:53:35 rurban
1348 // login cleanup: better debug msg on failing login,
1349 // checked password less immediate login (bogo or anon),
1350 // checked olduser pref session error,
1351 // better PersonalPage without password warning on minimal password length=0
1352 // (which is default now)
1354 // Revision 1.185 2004/11/01 13:55:05 rurban
1355 // fix against switching user new/old between sessions
1357 // Revision 1.184 2004/11/01 10:43:57 rurban
1358 // seperate PassUser methods into seperate dir (memory usage)
1359 // fix WikiUser (old) overlarge data session
1360 // remove wikidb arg from various page class methods, use global ->_dbi instead
1363 // Revision 1.183 2004/10/14 19:23:58 rurban
1364 // remove debugging prints
1366 // Revision 1.182 2004/10/12 13:13:19 rurban
1367 // php5 compatibility (5.0.1 ok)
1369 // Revision 1.181 2004/10/07 16:08:58 rurban
1370 // fixed broken FileUser session handling.
1371 // thanks to Arnaud Fontaine for detecting this.
1372 // enable file user Administrator membership.
1374 // Revision 1.180 2004/10/04 23:39:34 rurban
1377 // Revision 1.179 2004/09/25 18:57:42 rurban
1378 // better ACL error message: view not browse, change not setacl, ...
1380 // Revision 1.178 2004/09/25 16:27:36 rurban
1381 // better not allowed description: on global disallowed, and on missing pageperms
1383 // Revision 1.177 2004/09/14 10:31:09 rurban
1384 // exclude E_STRICT for php5: untested. I believe this must be set earlier because the parsing step is already strict, and this is called at run-time
1386 // Revision 1.176 2004/08/05 17:33:22 rurban
1389 // Revision 1.175 2004/07/13 13:08:25 rurban
1390 // fix PEAR memory waste issues
1392 // Revision 1.174 2004/07/08 13:50:32 rurban
1393 // various unit test fixes: print error backtrace on _DEBUG_TRACE; allusers fix; new PHPWIKI_NOMAIN constant for omitting the mainloop
1395 // Revision 1.173 2004/07/05 12:57:54 rurban
1396 // add mysql timeout
1398 // Revision 1.172 2004/07/03 08:04:19 rurban
1399 // fixed implicit PersonalPage login (e.g. on edit), fixed to check against create ACL on create, not edit
1401 // Revision 1.171 2004/06/29 09:30:42 rurban
1402 // force string hash
1404 // Revision 1.170 2004/06/25 14:29:20 rurban
1405 // WikiGroup refactoring:
1406 // global group attached to user, code for not_current user.
1407 // improved helpers for special groups (avoid double invocations)
1408 // new experimental config option ENABLE_XHTML_XML (fails with IE, and document.write())
1409 // fixed a XHTML validation error on userprefs.tmpl
1411 // Revision 1.169 2004/06/20 14:42:54 rurban
1412 // various php5 fixes (still broken at blockparser)
1414 // Revision 1.168 2004/06/17 10:39:18 rurban
1415 // fix reverse translation of possible actionpage
1417 // Revision 1.167 2004/06/16 13:21:16 rurban
1418 // stabilize on failing ldap queries or bind
1420 // Revision 1.166 2004/06/15 09:15:52 rurban
1421 // IMPORTANT: fixed passwd handling for passwords stored in prefs:
1422 // fix encrypted usage, actually store and retrieve them from db
1423 // fix bogologin with passwd set.
1424 // fix php crashes with call-time pass-by-reference (references wrongly used
1425 // in declaration AND call). This affected mainly Apache2 and IIS.
1426 // (Thanks to John Cole to detect this!)
1428 // Revision 1.165 2004/06/14 11:31:37 rurban
1429 // renamed global $Theme to $WikiTheme (gforge nameclash)
1430 // inherit PageList default options from PageList
1431 // default sortby=pagename
1432 // use options in PageList_Selectable (limit, sortby, ...)
1433 // added action revert, with button at action=diff
1434 // added option regex to WikiAdminSearchReplace
1436 // Revision 1.164 2004/06/13 13:54:25 rurban
1437 // Catch fatals on the four dump calls (as file and zip, as html and mimified)
1438 // FoafViewer: Check against external requirements, instead of fatal.
1439 // Change output for xhtmldumps: using file:// urls to the local fs.
1440 // Catch SOAP fatal by checking for GOOGLE_LICENSE_KEY
1441 // Import GOOGLE_LICENSE_KEY and FORTUNE_DIR from config.ini.
1443 // Revision 1.163 2004/06/13 11:35:32 rurban
1444 // check for create action on action=edit not to fool PagePerm checks
1446 // Revision 1.162 2004/06/08 10:05:11 rurban
1447 // simplified admin action shortcuts
1449 // Revision 1.161 2004/06/07 22:58:40 rurban
1450 // simplified chown, setacl, dump actions
1452 // Revision 1.160 2004/06/07 22:44:14 rurban
1453 // added simplified chown, setacl actions
1455 // Revision 1.159 2004/06/06 16:58:51 rurban
1456 // added more required ActionPages for foreign languages
1457 // install now english ActionPages if no localized are found. (again)
1458 // fixed default anon user level to be 0, instead of -1
1459 // (wrong "required administrator to view this page"...)
1461 // Revision 1.158 2004/06/04 20:32:53 rurban
1462 // Several locale related improvements suggested by Pierrick Meignen
1463 // LDAP fix by John Cole
1464 // reanable admin check without ENABLE_PAGEPERM in the admin plugins
1466 // Revision 1.157 2004/06/04 12:40:21 rurban
1467 // Restrict valid usernames to prevent from attacks against external auth or compromise
1469 // Fix various WikiUser old issues with default IMAP,LDAP,POP3 configs. Removed these.
1470 // Fxied more warnings
1472 // Revision 1.156 2004/06/03 17:58:16 rurban
1473 // support immediate LANG and THEME switch inside a session
1475 // Revision 1.155 2004/06/03 10:18:19 rurban
1476 // fix FileUser locking issues, new config ENABLE_PAGEPERM
1478 // Revision 1.154 2004/06/02 18:01:46 rurban
1479 // init global FileFinder to add proper include paths at startup
1480 // adds PHPWIKI_DIR if started from another dir, lib/pear also
1481 // fix slashify for Windows
1482 // fix USER_AUTH_POLICY=old, use only USER_AUTH_ORDER methods (besides HttpAuth)
1484 // Revision 1.153 2004/06/01 15:28:00 rurban
1485 // AdminUser only ADMIN_USER not member of Administrators
1486 // some RateIt improvements by dfrankow
1487 // edit_toolbar buttons
1489 // Revision 1.152 2004/05/27 17:49:06 rurban
1490 // renamed DB_Session to DbSession (in CVS also)
1491 // added WikiDB->getParam and WikiDB->getAuthParam method to get rid of globals
1492 // remove leading slash in error message
1493 // added force_unlock parameter to File_Passwd (no return on stale locks)
1494 // fixed adodb session AffectedRows
1495 // added FileFinder helpers to unify local filenames and DATA_PATH names
1496 // editpage.php: new edit toolbar javascript on ENABLE_EDIT_TOOLBAR
1498 // Revision 1.151 2004/05/25 12:40:48 rurban
1499 // trim the pagename
1501 // Revision 1.150 2004/05/25 10:18:44 rurban
1502 // Check for UTF-8 URLs; Internet Explorer produces these if you
1503 // type non-ASCII chars in the URL bar or follow unescaped links.
1504 // Fixes sf.net bug #953949
1505 // src: languages/Language.php:checkTitleEncoding() from mediawiki
1507 // Revision 1.149 2004/05/18 13:31:19 rurban
1508 // hold warnings until headers are sent. new Error-style with collapsed output of repeated messages
1510 // Revision 1.148 2004/05/17 17:43:29 rurban
1511 // CGI: no PATH_INFO fix
1513 // Revision 1.147 2004/05/15 19:48:33 rurban
1514 // fix some too loose PagePerms for signed, but not authenticated users
1515 // (admin, owner, creator)
1516 // no double login page header, better login msg.
1517 // moved action_pdf to lib/pdf.php
1519 // Revision 1.146 2004/05/15 18:31:01 rurban
1520 // some action=pdf Request fixes: With MSIE it works now. Now the work with the page formatting begins.
1522 // Revision 1.145 2004/05/12 10:49:55 rurban
1523 // require_once fix for those libs which are loaded before FileFinder and
1524 // its automatic include_path fix, and where require_once doesn't grok
1525 // dirname(__FILE__) != './lib'
1526 // upgrade fix with PearDB
1527 // navbar.tmpl: remove spaces for IE button alignment
1529 // Revision 1.144 2004/05/06 19:26:16 rurban
1530 // improve stability, trying to find the InlineParser endless loop on sf.net
1532 // remove end-of-zip comments to fix sf.net bug #777278 and probably #859628
1534 // Revision 1.143 2004/05/06 17:30:38 rurban
1535 // CategoryGroup: oops, dos2unix eol
1536 // improved phpwiki_version:
1537 // pre -= .0001 (1.3.10pre: 1030.099)
1538 // -p1 += .001 (1.3.9-p1: 1030.091)
1539 // improved InstallTable for mysql and generic SQL versions and all newer tables so far.
1540 // abstracted more ADODB/PearDB methods for action=upgrade stuff:
1541 // backend->backendType(), backend->database(),
1542 // backend->listOfFields(),
1543 // backend->listOfTables(),
1545 // Revision 1.142 2004/05/04 22:34:25 rurban
1548 // Revision 1.141 2004/05/03 13:16:47 rurban
1549 // fixed UserPreferences update, esp for boolean and int
1551 // Revision 1.140 2004/05/02 21:26:38 rurban
1552 // limit user session data (HomePageHandle and auth_dbi have to invalidated anyway)
1553 // because they will not survive db sessions, if too large.
1554 // extended action=upgrade
1555 // some WikiTranslation button work
1556 // revert WIKIAUTH_UNOBTAINABLE (need it for main.php)
1557 // some temp. session debug statements
1559 // Revision 1.139 2004/05/02 15:10:07 rurban
1560 // new finally reliable way to detect if /index.php is called directly
1561 // and if to include lib/main.php
1562 // new global AllActionPages
1563 // SetupWiki now loads all mandatory pages: HOME_PAGE, action pages, and warns if not.
1564 // WikiTranslation what=buttons for Carsten to create the missing MacOSX buttons
1565 // PageGroupTestOne => subpages
1566 // renamed PhpWikiRss to PhpWikiRecentChanges
1567 // more docs, default configs, ...
1569 // Revision 1.138 2004/05/01 15:59:29 rurban
1570 // more php-4.0.6 compatibility: superglobals
1572 // Revision 1.137 2004/04/29 19:39:44 rurban
1573 // special support for formatted plugins (one-liners)
1574 // like <small><plugin BlaBla ></small>
1575 // iter->asArray() helper for PopularNearby
1576 // db_session for older php's (no &func() allowed)
1578 // Revision 1.136 2004/04/29 17:18:19 zorloc
1579 // Fixes permission failure issues. With PagePermissions and Disabled
1580 // Actions when user did not have permission WIKIAUTH_FORBIDDEN was
1581 // returned. In WikiUser this was ok because WIKIAUTH_FORBIDDEN had a
1582 // value of 11 -- thus no user could perform that action. But
1583 // WikiUserNew has a WIKIAUTH_FORBIDDEN value of -1 -- thus a user
1584 // without sufficent permission to do anything. The solution is a new
1585 // high value permission level (WIKIAUTH_UNOBTAINABLE) to be the
1586 // default level for access failure.
1588 // Revision 1.135 2004/04/26 12:15:01 rurban
1589 // check default config values
1591 // Revision 1.134 2004/04/23 06:46:37 zorloc
1592 // Leave DB connection open when USE_DB_SESSION is true so that session info can be written to the DB.
1594 // Revision 1.133 2004/04/20 18:10:31 rurban
1595 // config refactoring:
1596 // FileFinder is needed for WikiFarm scripts calling index.php
1597 // config run-time calls moved to lib/IniConfig.php:fix_configs()
1598 // added PHPWIKI_DIR smart-detection code (Theme finder)
1599 // moved FileFind to lib/FileFinder.php
1600 // cleaned lib/config.php
1602 // Revision 1.132 2004/04/19 21:51:41 rurban
1603 // php5 compatibility: it works!
1605 // Revision 1.131 2004/04/19 18:27:45 rurban
1606 // Prevent from some PHP5 warnings (ref args, no :: object init)
1607 // php5 runs now through, just one wrong XmlElement object init missing
1608 // Removed unneccesary UpgradeUser lines
1609 // Changed WikiLink to omit version if current (RecentChanges)
1611 // Revision 1.130 2004/04/18 00:25:53 rurban
1612 // allow "0" pagename
1614 // Revision 1.129 2004/04/07 23:13:19 rurban
1615 // fixed pear/File_Passwd for Windows
1616 // fixed FilePassUser sessions (filehandle revive) and password update
1618 // Revision 1.128 2004/04/02 15:06:55 rurban
1619 // fixed a nasty ADODB_mysql session update bug
1620 // improved UserPreferences layout (tabled hints)
1621 // fixed UserPreferences auth handling
1622 // improved auth stability
1623 // improved old cookie handling: fixed deletion of old cookies with paths
1625 // Revision 1.127 2004/03/25 17:00:31 rurban
1626 // more code to convert old-style pref array to new hash
1628 // Revision 1.126 2004/03/24 19:39:03 rurban
1629 // php5 workaround code (plus some interim debugging code in XmlElement)
1630 // php5 doesn't work yet with the current XmlElement class constructors,
1631 // WikiUserNew does work better than php4.
1632 // rewrote WikiUserNew user upgrading to ease php5 update
1633 // fixed pref handling in WikiUserNew
1634 // added Email Notification
1635 // added simple Email verification
1636 // removed emailVerify userpref subclass: just a email property
1637 // changed pref binary storage layout: numarray => hash of non default values
1638 // print optimize message only if really done.
1639 // forced new cookie policy: delete pref cookies, use only WIKI_ID as plain string.
1640 // prefs should be stored in db or homepage, besides the current session.
1642 // Revision 1.125 2004/03/14 16:30:52 rurban
1643 // db-handle session revivification, dba fixes
1645 // Revision 1.124 2004/03/12 15:48:07 rurban
1646 // fixed explodePageList: wrong sortby argument order in UnfoldSubpages
1647 // simplified lib/stdlib.php:explodePageList
1649 // Revision 1.123 2004/03/10 15:41:27 rurban
1650 // use default pref mysql table
1652 // Revision 1.122 2004/03/08 18:17:09 rurban
1653 // added more WikiGroup::getMembersOf methods, esp. for special groups
1654 // fixed $LDAP_SET_OPTIONS
1655 // fixed _AuthInfo group methods
1657 // Revision 1.121 2004/03/01 13:48:45 rurban
1659 // p[] consistency fix
1661 // Revision 1.120 2004/03/01 10:22:41 rurban
1662 // initializeTheme optimize
1664 // Revision 1.119 2004/02/26 20:45:06 rurban
1665 // check for ALLOW_ANON_USER = false
1667 // Revision 1.118 2004/02/26 01:32:03 rurban
1668 // fixed session login with old WikiUser object.
1669 // strangely, the errormask gets corrupted to 1, Pear???
1671 // Revision 1.117 2004/02/24 17:19:37 rurban
1672 // debugging helpers only
1674 // Revision 1.116 2004/02/24 15:17:14 rurban
1675 // improved auth errors with individual pages. the fact that you may
1676 // not browse a certain admin page does not conclude that you may not
1677 // browse the whole wiki. renamed browse => view
1679 // Revision 1.115 2004/02/15 21:34:37 rurban
1680 // PageList enhanced and improved.
1681 // fixed new WikiAdmin... plugins
1682 // editpage, Theme with exp. htmlarea framework
1683 // (htmlarea yet committed, this is really questionable)
1684 // WikiUser... code with better session handling for prefs
1685 // enhanced UserPreferences (again)
1686 // RecentChanges for show_deleted: how should pages be deleted then?
1688 // Revision 1.114 2004/02/15 17:30:13 rurban
1689 // workaround for lost db connnection handle on session restauration (->_auth_dbi)
1690 // fixed getPreferences() (esp. from sessions)
1691 // fixed setPreferences() (update and set),
1692 // fixed AdoDb DB statements,
1693 // update prefs only at UserPreferences POST (for testing)
1694 // unified db prefs methods (but in external pref classes yet)
1696 // Revision 1.113 2004/02/12 13:05:49 rurban
1697 // Rename functional for PearDB backend
1698 // some other minor changes
1699 // SiteMap comes with a not yet functional feature request: includepages (tbd)
1701 // Revision 1.112 2004/02/09 03:58:12 rurban
1702 // for now default DB_SESSION to false
1704 // * not existing perms will now query the parent, and not
1705 // return the default perm
1706 // * added pagePermissions func which returns the object per page
1707 // * added getAccessDescription
1709 // * added global ->prepare (not yet used) with smart user/pref/member table prefixing.
1710 // * force init of authdbh in the 2 db classes
1712 // * fixed session handling (not triple auth request anymore)
1713 // * don't store cookie prefs with sessions
1714 // stdlib: global obj2hash helper from _AuthInfo, also needed for PagePerm
1716 // Revision 1.111 2004/02/07 10:41:25 rurban
1717 // fixed auth from session (still double code but works)
1719 // fixed DbPassUser upgrade and policy=old
1722 // Revision 1.110 2004/02/03 09:45:39 rurban
1723 // LDAP cleanup, start of new Pref classes
1725 // Revision 1.109 2004/01/30 19:57:58 rurban
1726 // fixed DBAuthParams['pref_select']: wrong _auth_dbi object used.
1728 // Revision 1.108 2004/01/28 14:34:14 rurban
1729 // session table takes the common prefix
1730 // + various minor stuff
1731 // reallow password changing
1733 // Revision 1.107 2004/01/27 23:23:39 rurban
1734 // renamed ->Username => _userid for consistency
1735 // renamed mayCheckPassword => mayCheckPass
1736 // fixed recursion problem in WikiUserNew
1737 // fixed bogo login (but not quite 100% ready yet, password storage)
1739 // Revision 1.106 2004/01/26 09:17:49 rurban
1740 // * changed stored pref representation as before.
1741 // the array of objects is 1) bigger and 2)
1742 // less portable. If we would import packed pref
1743 // objects and the object definition was changed, PHP would fail.
1744 // This doesn't happen with an simple array of non-default values.
1745 // * use $prefs->retrieve and $prefs->store methods, where retrieve
1746 // understands the interim format of array of objects also.
1747 // * simplified $prefs->get() and fixed $prefs->set()
1748 // * added $user->_userid and class '_WikiUser' portability functions
1749 // * fixed $user object ->_level upgrading, mostly using sessions.
1750 // this fixes yesterdays problems with loosing authorization level.
1751 // * fixed WikiUserNew::checkPass to return the _level
1752 // * fixed WikiUserNew::isSignedIn
1753 // * added explodePageList to class PageList, support sortby arg
1754 // * fixed UserPreferences for WikiUserNew
1755 // * fixed WikiPlugin for empty defaults array
1756 // * UnfoldSubpages: added pagename arg, renamed pages arg,
1757 // removed sort arg, support sortby arg
1759 // Revision 1.105 2004/01/25 03:57:15 rurban
1760 // WikiUserNew support (temp. ENABLE_USER_NEW constant)
1762 // Revision 1.104 2003/12/26 06:41:16 carstenklapp
1763 // Bugfix: Try to defer OS errors about session.save_path and ACCESS_LOG,
1764 // so they don't prevent IE from partially (or not at all) rendering the
1765 // page. This should help a little for the IE user who encounters trouble
1766 // when setting up a new PhpWiki for the first time.
1768 // Revision 1.103 2003/12/02 00:10:00 carstenklapp
1769 // Bugfix: Ongoing work to untangle UserPreferences/WikiUser/request code
1770 // mess: UserPreferences should take effect immediately now upon signing
1773 // Revision 1.102 2003/11/25 22:55:32 carstenklapp
1774 // Localization bugfix: For wikis where English is not the default system
1775 // language, make sure that the authority error message (i.e. "You must
1776 // sign in to edit pages in this wiki" etc.) is displayed in the wiki's
1777 // default language. Previously it would always display in English.
1778 // (Added call to update_locale() before displaying any messages prior to
1779 // the login prompt.)
1781 // Revision 1.101 2003/11/25 21:49:44 carstenklapp
1782 // Bugfix: For a non-english wiki or when the user's preference is not
1783 // english, the wiki would always use the english ActionPage first if it
1784 // was present rather than the appropriate localised variant. (PhpWikis
1785 // running only in english or Wikis running ONLY without any english
1786 // ActionPages would not notice this bug, only when both english and
1787 // localised ActionPages were in the DB.) Now we check for the localised
1790 // Revision 1.100 2003/11/18 16:54:18 carstenklapp
1791 // Reformatting only: Tabs to spaces, added rcs log.
1798 // c-basic-offset: 4
1799 // c-hanging-comment-ender-p: nil
1800 // indent-tabs-mode: nil