2 rcs_id('$Id: main.php,v 1.222 2006-03-19 14:53:12 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', $this->_dbi->getAuthParam('USER_AUTH_ORDER'))) {
56 // force our local copy, until the pear version is fixed.
57 include_once(dirname(__FILE__)."/pear/File_Passwd.php");
59 if (ENABLE_USER_NEW) {
60 // Preload all necessary userclasses. Otherwise session => __PHP_Incomplete_Class_Name
61 // There's no way to demand-load it later. This way it's much slower, but needs slightly
62 // less memory than loading all.
64 include_once("lib/WikiUser/BogoLogin.php");
65 // UserPreferences POST Update doesn't reach this.
66 foreach ($GLOBALS['USER_AUTH_ORDER'] as $method) {
67 include_once("lib/WikiUser/$method.php");
69 switch( DATABASE_TYPE ) {
70 case 'SQL' : include_once("lib/WikiUser/PearDb.php"); break;
71 case 'ADODB': include_once("lib/WikiUser/AdoDb.php"); break;
72 case 'PDO' : include_once("lib/WikiUser/PdoDb.php"); break;
78 include_once('lib/DbSession.php');
80 $this->_dbsession = new DbSession($dbi, $dbi->getParam('prefix')
81 . $dbi->getParam('db_session_table'));
84 // Fixme: Does pear reset the error mask to 1? We have to find the culprit
85 //$x = error_reporting();
87 $this->version = phpwiki_version();
88 $this->Request(); // [90ms]
91 $this->setArg('pagename', $this->_deducePagename());
92 $this->setArg('action', $this->_deduceAction());
94 if ((DEBUG & _DEBUG_SQL)
95 or (DATABASE_OPTIMISE_FREQUENCY > 0 and
96 (time() % DATABASE_OPTIMISE_FREQUENCY == 0))) {
97 if ($this->_dbi->_backend->optimize())
98 trigger_error(_("Optimizing database"), E_USER_NOTICE);
101 // Restore auth state. This doesn't check for proper authorization!
102 $userid = $this->_deduceUsername();
103 if (ENABLE_USER_NEW) {
104 if (isset($this->_user) and
105 !empty($this->_user->_authhow) and
106 $this->_user->_authhow == 'session')
108 // users might switch in a session between the two objects.
109 // restore old auth level here or in updateAuthAndPrefs?
110 //$user = $this->getSessionVar('wiki_user');
111 // revive db handle, because these don't survive sessions
112 if (isset($this->_user) and
113 ( ! isa($this->_user, WikiUserClassname())
114 or (strtolower(get_class($this->_user)) == '_passuser')))
116 $this->_user = WikiUser($userid, $this->_user->_prefs);
118 // revive other db handle
119 if (isset($this->_user->_prefs->_method)
120 and ($this->_user->_prefs->_method == 'SQL'
121 or $this->_user->_prefs->_method == 'ADODB'
122 or $this->_user->_prefs->_method == 'PDO'
123 or $this->_user->_prefs->_method == 'HomePage')) {
124 $this->_user->_HomePagehandle = $this->getPage($userid);
126 // need to update the lockfile filehandle
127 if ( isa($this->_user, '_FilePassUser')
128 and $this->_user->_file->lockfile
129 and !$this->_user->_file->fplock )
131 //$level = $this->_user->_level;
132 $this->_user = UpgradeUser($this->_user,
133 new _FilePassUser($userid,
134 $this->_user->_prefs,
135 $this->_user->_file->filename));
136 //$this->_user->_level = $level;
138 $this->_prefs = & $this->_user->_prefs;
140 $user = WikiUser($userid);
141 $this->_user = & $user;
142 $this->_prefs = & $this->_user->_prefs;
145 $this->_user = new WikiUser($this, $userid);
146 $this->_prefs = $this->_user->getPreferences();
150 function initializeLang () {
151 // check non-default pref lang
152 $_lang = @$this->_prefs->_prefs['lang'];
153 if (isset($_lang->lang) and $_lang->lang != $GLOBALS['LANG']) {
154 $user_lang = $_lang->lang;
155 //check changed LANG and THEME inside a session.
156 // (e.g. by using another baseurl)
157 if (isset($this->_user->_authhow) and $this->_user->_authhow == 'session')
158 $user_lang = $GLOBALS['LANG'];
159 update_locale($user_lang);
160 FindLocalizedButtonFile(".",'missing_ok','reinit');
164 function initializeTheme () {
167 // Load non-default theme
168 $_theme = @$this->_prefs->_prefs['theme'];
169 if ($_theme and isset($_theme->theme))
170 $user_theme = $_theme->theme;
172 $user_theme = $this->getPref('theme');
173 //check changed LANG and THEME inside a session.
174 // (e.g. by using another baseurl)
175 if (isset($this->_user->_authhow)
176 and $this->_user->_authhow == 'session'
177 and !isset($_theme->theme)
179 and $user_theme != THEME)
181 include_once("themes/" . THEME . "/themeinfo.php");
183 if (empty($WikiTheme) and isset($user_theme)) {
184 if (strcspn($user_theme,"./\x00]") != strlen($user_theme)) {
185 trigger_error(sprintf("invalid theme '%s': Invalid characters detected", $user_theme),
187 $user_theme = "default";
189 include_once("themes/$user_theme/themeinfo.php");
191 if (empty($WikiTheme) and defined('THEME'))
192 include_once("themes/" . THEME . "/themeinfo.php");
193 if (empty($WikiTheme))
194 include_once("themes/default/themeinfo.php");
195 assert(!empty($WikiTheme));
198 // This really maybe should be part of the constructor, but since it
199 // may involve HTML/template output, the global $request really needs
200 // to be initialized before we do this stuff.
201 // [50ms]: 36ms if wikidb_page::exists
202 function updateAuthAndPrefs () {
204 if (isset($this->_user) and (!isa($this->_user, WikiUserClassname()))) {
205 $this->_user = false;
207 // Handle authentication request, if any.
208 if ($auth_args = $this->getArg('auth')) {
209 $this->setArg('auth', false);
210 $this->_handleAuthRequest($auth_args); // possible NORETURN
212 elseif ( ! $this->_user
213 or (isa($this->_user, WikiUserClassname())
214 and ! $this->_user->isSignedIn())) {
215 // If not auth request, try to sign in as saved user.
216 if (($saved_user = $this->getPref('userid')) != false) {
217 $this->_signIn($saved_user);
221 $action = $this->getArg('action');
223 // Save preferences in session and cookie
224 if ((defined('WIKI_XMLRPC') and !WIKI_XMLRPC) or $action != 'xmlrpc') {
225 if (isset($this->_user)) {
226 if (!isset($this->_user->_authhow) or $this->_user->_authhow != 'session') {
227 $this->_user->setPreferences($this->_prefs, true);
230 $this->setSessionVar('wiki_user', $this->_user);
233 // Ensure user has permissions for action
234 // HACK ALERT: We may not set the request arg to create,
235 // since the pageeditor has an ugly logic for action == create.
236 if ($action == 'edit' or $action == 'create') {
237 $page = $this->getPage();
238 if (! $page->exists() )
243 if (! ENABLE_PAGEPERM) { // Bug #1438392 by Matt Brown
244 $require_level = $this->requiredAuthority($action);
245 if (! $this->_user->hasAuthority($require_level))
246 $this->_notAuthorized($require_level); // NORETURN
248 // novatrope patch to let only _AUTHENTICATED view pages.
249 // If there's not enough authority or forbidden, ask for a password,
250 // unless it's explicitly unobtainable. Some bad magic though.
251 if ($this->requiredAuthorityForAction($action) == WIKIAUTH_UNOBTAINABLE) {
252 $require_level = $this->requiredAuthority($action);
253 $this->_notAuthorized($require_level); // NORETURN
258 function & getUser () {
259 if (isset($this->_user))
262 return $GLOBALS['ForbiddenUser'];
265 function & getGroup () {
266 if (isset($this->_user) and isset($this->_user->_group))
267 return $this->_user->_group;
269 // Debug Strict: Only variable references should be returned by reference
270 $this->_user->_group = WikiGroup::getGroup();
271 return $this->_user->_group;
275 function & getPrefs () {
276 return $this->_prefs;
279 // Convenience function:
280 function getPref ($key) {
281 if (isset($this->_prefs)) {
282 return $this->_prefs->get($key);
285 function & getDbh () {
290 * Get requested page from the page database.
291 * By default it will grab the page requested via the URL
293 * This is a convenience function.
294 * @param string $pagename Name of page to get.
295 * @return WikiDB_Page Object with methods to pull data from
296 * database for the page requested.
298 function getPage ($pagename = false) {
299 //if (!isset($this->_dbi)) $this->getDbh();
301 $pagename = $this->getArg('pagename');
302 return $this->_dbi->getPage($pagename);
305 /** Get URL for POST actions.
307 * Officially, we should just use SCRIPT_NAME (or some such),
308 * but that causes problems when we try to issue a redirect, e.g.
309 * after saving a page.
311 * Some browsers (at least NS4 and Mozilla 0.97 won't accept
312 * a redirect from a page to itself.)
314 * So, as a HACK, we include pagename and action as query args in
315 * the URL. (These should be ignored when we receive the POST
318 function getPostURL ($pagename=false) {
319 global $HTTP_GET_VARS;
321 if ($pagename === false)
322 $pagename = $this->getArg('pagename');
323 $action = $this->getArg('action');
324 if (!empty($HTTP_GET_VARS['start_debug'])) // zend ide support
325 return WikiURL($pagename, array('action' => $action, 'start_debug' => 1));
327 return WikiURL($pagename, array('action' => $action));
330 function _handleAuthRequest ($auth_args) {
331 if (!is_array($auth_args))
334 // Ignore password unless POST'ed.
335 if (!$this->isPost())
336 unset($auth_args['passwd']);
338 $olduser = $this->_user;
339 $user = $this->_user->AuthCheck($auth_args);
340 if (isa($user, WikiUserClassname())) {
341 // Successful login (or logout.)
342 $this->_setUser($user);
344 elseif (is_string($user)) {
345 // Login attempt failed.
346 $fail_message = $user;
347 $auth_args['pass_required'] = true;
348 // if clicked just on to the "sign in as:" button dont print invalid username.
349 if (!empty($auth_args['login']) and empty($auth_args['userid']))
351 // If no password was submitted, it's not really
352 // a failure --- just need to prompt for password...
353 if (!ALLOW_USER_PASSWORDS
355 and !isset($auth_args['passwd']))
357 $fail_message = false;
359 $olduser->PrintLoginForm($this, $auth_args, $fail_message, 'newpage');
360 $this->finish(); //NORETURN
363 // Login request cancelled.
368 * Attempt to sign in (bogo-login).
372 * @param $userid string Userid to attempt to sign in as.
375 function _signIn ($userid) {
376 if (ENABLE_USER_NEW) {
378 $this->_user = new _BogoUser($userid);
379 // FIXME: is this always false? shouldn't we try passuser first?
381 $this->_user = new _PassUser($userid);
383 $user = $this->_user->AuthCheck(array('userid' => $userid));
384 if (isa($user, WikiUserClassname())) {
385 $this->_setUser($user); // success!
389 // login or logout or restore state
390 function _setUser (&$user) {
391 $this->_user =& $user;
392 if (defined('MAIN_setUser')) return; // don't set cookies twice
393 $this->setCookieVar('WIKI_ID', $user->getAuthenticatedId(),
394 COOKIE_EXPIRATION_DAYS, COOKIE_DOMAIN);
395 if ($user->isSignedIn())
396 $user->_authhow = 'signin';
398 // Save userid to prefs..
399 if ( empty($this->_user->_prefs)) {
400 $this->_user->_prefs = $this->_user->getPreferences();
401 $this->_prefs =& $this->_user->_prefs;
403 $this->_user->_group = $this->getGroup();
404 $this->setSessionVar('wiki_user', $user);
405 $this->_prefs->set('userid',
406 $user->isSignedIn() ? $user->getId() : '');
407 $this->initializeTheme();
408 define('MAIN_setUser', true);
411 /* Permission system */
412 function getLevelDescription($level) {
413 static $levels = false;
414 if (!$levels) // This looks like a Visual Basic hack. For the very same reason. "0"
415 $levels = array('x-1' => _("FORBIDDEN"),
420 'x100'=> _("UNOBTAINABLE"));
423 if (!empty($levels["x".$level]))
424 return $levels["x".$level];
429 function _notAuthorized ($require_level) {
430 // Display the authority message in the Wiki's default
431 // language, in case it is not english.
433 // Note that normally a user will not see such an error once
434 // logged in, unless the admin has altered the default
435 // disallowed wikiactions. In that case we should probably
436 // check the user's language prefs too at this point; this
437 // would be a situation which is not really handled with the
439 if (empty($GLOBALS['LANG']))
440 update_locale(DEFAULT_LANGUAGE);
442 // User does not have required authority. Prompt for login.
443 $what = $this->getActionDescription($this->getArg('action'));
444 $pass_required = ($require_level >= WIKIAUTH_USER);
445 if ($require_level == WIKIAUTH_UNOBTAINABLE) {
446 global $DisabledActions;
447 if ($DisabledActions and in_array($action, $DisabledActions)) {
448 $msg = fmt("%s is disallowed on this wiki.",
449 $this->getDisallowedActionDescription($this->getArg('action')));
453 // Is the reason a missing ACL or just wrong user or password?
454 if (class_exists('PagePermission')) {
455 $user =& $this->_user;
456 $status = $user->isAuthenticated() ? _("authenticated") : _("not authenticated");
457 $msg = fmt("%s %s %s is disallowed on this wiki for %s user '%s' (level: %s).",
458 _("Missing PagePermission:"),
459 action2access($this->getArg('action')),
460 $this->getArg('pagename'),
461 $status, $user->getId(), $this->getLevelDescription($user->_level));
462 // TODO: add link to action=setacl
463 $user->PrintLoginForm($this, compact('pass_required'), $msg);
467 $msg = fmt("%s is disallowed on this wiki.",
468 $this->getDisallowedActionDescription($this->getArg('action')));
469 $this->_user->PrintLoginForm($this, compact('require_level','pass_required'), $msg);
474 elseif ($require_level == WIKIAUTH_BOGO)
475 $msg = fmt("You must sign in to %s.", $what);
476 elseif ($require_level == WIKIAUTH_USER)
477 $msg = fmt("You must log in to %s.", $what);
478 elseif ($require_level == WIKIAUTH_ANON)
479 $msg = fmt("Access for you is forbidden to %s.", $what);
481 $msg = fmt("You must be an administrator to %s.", $what);
483 $this->_user->PrintLoginForm($this, compact('require_level','pass_required'), $msg);
484 $this->finish(); // NORETURN
487 // Fixme: for PagePermissions we'll need other strings,
488 // relevant to the requested page, not just for the action on the whole wiki.
489 function getActionDescription($action) {
490 static $actionDescriptions;
491 if (! $actionDescriptions) {
493 = array('browse' => _("view this page"),
494 'diff' => _("diff this page"),
495 'dumphtml' => _("dump html pages"),
496 'dumpserial' => _("dump serial pages"),
497 'edit' => _("edit this page"),
498 'revert' => _("revert to a previous version of this page"),
499 'create' => _("create this page"),
500 'loadfile' => _("load files into this wiki"),
501 'lock' => _("lock this page"),
502 'remove' => _("remove this page"),
503 'unlock' => _("unlock this page"),
504 'upload' => _("upload a zip dump"),
505 'verify' => _("verify the current action"),
506 'viewsource' => _("view the source of this page"),
507 'xmlrpc' => _("access this wiki via XML-RPC"),
508 'soap' => _("access this wiki via SOAP"),
509 'zip' => _("download a zip dump from this wiki"),
510 'ziphtml' => _("download a html zip dump from this wiki")
513 if (in_array($action, array_keys($actionDescriptions)))
514 return $actionDescriptions[$action];
520 TODO: check against these cases:
521 if ($DisabledActions and in_array($action, $DisabledActions))
522 return WIKIAUTH_UNOBTAINABLE;
524 if (ENABLE_PAGEPERM and class_exists("PagePermission")) {
525 return requiredAuthorityForPage($action);
527 => Browsing pages is disallowed on this wiki for authenticated user 'rurban' (level: BOGO).
529 function getDisallowedActionDescription($action) {
530 static $disallowedActionDescriptions;
532 if (! $disallowedActionDescriptions) {
533 $disallowedActionDescriptions
534 = array('browse' => _("Browsing pages"),
535 'diff' => _("Diffing pages"),
536 'dumphtml' => _("Dumping html pages"),
537 'dumpserial' => _("Dumping serial pages"),
538 'edit' => _("Editing pages"),
539 'revert' => _("Reverting to a previous version of pages"),
540 'create' => _("Creating pages"),
541 'loadfile' => _("Loading files"),
542 'lock' => _("Locking pages"),
543 'remove' => _("Removing pages"),
544 'unlock' => _("Unlocking pages"),
545 'upload' => _("Uploading zip dumps"),
546 'verify' => _("Verify the current action"),
547 'viewsource' => _("Viewing the source of pages"),
548 'xmlrpc' => _("XML-RPC access"),
549 'soap' => _("SOAP access"),
550 'zip' => _("Downloading zip dumps"),
551 'ziphtml' => _("Downloading html zip dumps")
554 if (in_array($action, array_keys($disallowedActionDescriptions)))
555 return $disallowedActionDescriptions[$action];
560 function requiredAuthority ($action) {
561 $auth = $this->requiredAuthorityForAction($action);
562 if (!ALLOW_ANON_USER) return WIKIAUTH_USER;
565 * This is a hook for plugins to require authority
566 * for posting to them.
568 * IMPORTANT: This is not a secure check, so the plugin
569 * may not assume that any POSTs to it are authorized.
570 * All this does is cause PhpWiki to prompt for login
571 * if the user doesn't have the required authority.
573 if ($this->isPost()) {
574 $post_auth = $this->getArg('require_authority_for_post');
575 if ($post_auth !== false)
576 $auth = max($auth, $post_auth);
581 function requiredAuthorityForAction ($action) {
582 global $DisabledActions;
584 if ($DisabledActions and in_array($action, $DisabledActions))
585 return WIKIAUTH_UNOBTAINABLE;
587 if (ENABLE_PAGEPERM and class_exists("PagePermission")) {
588 return requiredAuthorityForPage($action);
600 return WIKIAUTH_ANON;
604 if (defined('ZIPDUMP_AUTH') && ZIPDUMP_AUTH)
605 return WIKIAUTH_ADMIN;
606 return WIKIAUTH_ANON;
611 if (defined('REQUIRE_SIGNIN_BEFORE_EDIT') && REQUIRE_SIGNIN_BEFORE_EDIT)
612 return WIKIAUTH_BOGO;
613 return WIKIAUTH_ANON;
614 // return WIKIAUTH_BOGO;
617 $page = $this->getPage();
618 $current = $page->getCurrentRevision();
619 if ($current->hasDefaultContents())
620 return $this->requiredAuthorityForAction('edit');
621 return $this->requiredAuthorityForAction('browse');
634 return WIKIAUTH_ADMIN;
636 /* authcheck occurs only in the plugin.
637 required actionpage RateIt */
640 case 'delete_rating':
641 // Perhaps this should be WIKIAUTH_USER
642 return WIKIAUTH_BOGO;
646 global $WikiNameRegexp;
647 if (preg_match("/$WikiNameRegexp\Z/A", $action))
648 return WIKIAUTH_ANON; // ActionPage.
650 return WIKIAUTH_ADMIN;
654 /* End of Permission system */
656 function possiblyDeflowerVirginWiki () {
657 if ($this->getArg('action') != 'browse')
659 if ($this->getArg('pagename') != HOME_PAGE)
662 $page = $this->getPage();
663 $current = $page->getCurrentRevision();
664 if ($current->getVersion() > 0)
665 return; // Homepage exists.
667 include_once('lib/loadsave.php');
669 $this->finish(); // NORETURN
672 // [574ms] mainly template:printexpansion: 393ms and template::expandsubtemplate [100+70+60ms]
673 function handleAction () {
674 $action = $this->getArg('action');
675 if ($this->isPost() and !$this->_user->isAdmin() and $action != 'browse') {
676 $page = $this->getPage();
677 if ( $page->get('moderation') ) {
678 require_once("lib/WikiPlugin.php");
679 $loader = new WikiPluginLoader();
680 $plugin = $loader->getPlugin("ModeratedPage");
681 if ($plugin->handler($this, $page)) {
684 array('class' => 'wiki-edithelp'),
685 fmt("%s: action forwarded to a moderator.",
688 _("This action requires moderator approval. Please be patient."));
689 if (!empty($plugin->_tokens['CONTENT']))
690 $plugin->_tokens['CONTENT']->pushContent
693 _("You must wait for moderator approval."));
695 $plugin->_tokens['CONTENT'] = $CONTENT;
696 require_once("lib/Template.php");
697 $title = WikiLink($page->getName());
698 $title->pushContent(' : ', WikiLink(_("ModeratedPage")));
699 GeneratePage(Template('browse', $plugin->_tokens),
701 $page->getCurrentRevision());
706 $method = "action_$action";
707 if (method_exists($this, $method)) {
710 elseif ($page = $this->findActionPage($action)) {
711 $this->actionpage($page);
714 $this->finish(fmt("%s: Bad action", $action));
718 function finish ($errormsg = false) {
722 exit(); // just in case CloseDataBase calls us
725 global $ErrorManager;
726 $ErrorManager->flushPostponedErrors();
728 if (!empty($errormsg)) {
731 HTML::h2(_("Fatal PhpWiki Error")),
734 echo "\n</body></html>";
736 if (is_object($this->_user)) {
737 $this->_user->page = $this->getArg('pagename');
738 $this->_user->action = $this->getArg('action');
739 unset($this->_user->_HomePagehandle);
740 unset($this->_user->_auth_dbi);
747 * Generally pagename is rawurlencoded for older browsers or mozilla.
748 * Typing a pagename into the IE bar will utf-8 encode it, so we have to
749 * fix that with fixTitleEncoding().
750 * If USE_PATH_INFO = true, the pagename is stripped from the "/DATA_PATH/PageName&arg=value" line.
751 * If false, we support either "/index.php?pagename=PageName&arg=value",
752 * or the first arg (1.2.x style): "/index.php?PageName&arg=value"
754 function _deducePagename () {
755 if (trim(rawurldecode($this->getArg('pagename'))))
756 return fixTitleEncoding(rawurldecode($this->getArg('pagename')));
759 $pathinfo = $this->get('PATH_INFO');
760 if (empty($pathinfo)) { // fix for CGI
761 $path = $this->get('REQUEST_URI');
762 $script = $this->get('SCRIPT_NAME');
763 $pathinfo = substr($path,strlen($script));
764 $pathinfo = preg_replace('/\?.+$/','',$pathinfo);
766 $tail = substr($pathinfo, strlen(PATH_INFO_PREFIX));
768 if (trim($tail) != '' and $pathinfo == PATH_INFO_PREFIX . $tail) {
769 return fixTitleEncoding($tail);
772 elseif ($this->isPost()) {
774 * In general, for security reasons, HTTP_GET_VARS should be ignored
775 * on POST requests, but we make an exception here (only for pagename).
777 * The justification for this hack is the following
778 * asymmetry: When POSTing with USE_PATH_INFO set, the
779 * pagename can (and should) be communicated through the
780 * request URL via PATH_INFO. When POSTing with
781 * USE_PATH_INFO off, this cannot be done --- the only way
782 * to communicate the pagename through the URL is via
783 * QUERY_ARGS (HTTP_GET_VARS).
785 global $HTTP_GET_VARS;
786 if (isset($HTTP_GET_VARS['pagename']) and trim($HTTP_GET_VARS['pagename'])) {
787 return fixTitleEncoding(rawurldecode($HTTP_GET_VARS['pagename']));
792 * Support for PhpWiki 1.2 style requests.
793 * Strip off "&" args (?PageName&action=...&start_debug,...)
795 $query_string = $this->get('QUERY_STRING');
796 if (trim(rawurldecode($query_string)) and preg_match('/^([^&=]+)(&.+)?$/', $query_string, $m)) {
797 return fixTitleEncoding(rawurldecode($m[1]));
800 return fixTitleEncoding(HOME_PAGE);
803 function _deduceAction () {
804 if (!($action = $this->getArg('action'))) {
805 // TODO: improve this SOAP.php hack by letting SOAP use index.php
806 // or any other virtual url as with xmlrpc
807 if (defined('WIKI_SOAP') and WIKI_SOAP)
809 // Detect XML-RPC requests.
811 && $this->get('CONTENT_TYPE') == 'text/xml'
812 && strstr($GLOBALS['HTTP_RAW_POST_DATA'], '<methodCall>')
817 return 'browse'; // Default if no action specified.
820 if (method_exists($this, "action_$action"))
823 // Allow for, e.g. action=LikePages
824 if ($this->isActionPage($action))
827 // Handle untranslated actionpages in non-english
828 // (people playing with switching languages)
829 if (0 and $GLOBALS['LANG'] != 'en') {
830 require_once("lib/plugin/_WikiTranslation.php");
831 $trans = new WikiPlugin__WikiTranslation();
832 $en_action = $trans->translate($action,'en',$GLOBALS['LANG']);
833 if ($this->isActionPage($en_action))
837 trigger_error("$action: Unknown action", E_USER_NOTICE);
841 function _deduceUsername() {
842 global $HTTP_SERVER_VARS, $HTTP_ENV_VARS;
844 if (!empty($this->args['auth']) and !empty($this->args['auth']['userid']))
845 return $this->args['auth']['userid'];
847 if ($user = $this->getSessionVar('wiki_user')) {
848 // switched auth between sessions.
849 // Note: There's no way to demandload a missing class-definition
850 // afterwards! (Stupid php)
851 if (isa($user, WikiUserClassname())) {
852 $this->_user = $user;
853 $this->_user->_authhow = 'session';
854 return ENABLE_USER_NEW ? $user->UserName() : $this->_user;
858 // Sessions override http auth
859 if (!empty($HTTP_SERVER_VARS['PHP_AUTH_USER']))
860 return $HTTP_SERVER_VARS['PHP_AUTH_USER'];
862 if (!empty($HTTP_SERVER_VARS['REMOTE_USER']))
863 return $HTTP_SERVER_VARS['REMOTE_USER'];
864 if (!empty($HTTP_ENV_VARS['REMOTE_USER']))
865 return $HTTP_ENV_VARS['REMOTE_USER'];
867 if ($userid = $this->getCookieVar('WIKI_ID')) {
868 if (!empty($userid) and substr($userid,0,2) != 's:') {
869 $this->_user->authhow = 'cookie';
874 if ($this->getArg('action') == 'xmlrpc') { // how about SOAP?
875 // wiki.putPage has special otional userid/passwd arguments. check that later.
877 if (isset($HTTP_SERVER_VARS['REMOTE_USER']))
878 $userid = $HTTP_SERVER_VARS['REMOTE_USER'];
879 elseif (isset($HTTP_SERVER_VARS['REMOTE_ADDR']))
880 $userid = $HTTP_SERVER_VARS['REMOTE_ADDR'];
881 elseif (isset($HTTP_ENV_VARS['REMOTE_ADDR']))
882 $userid = $HTTP_ENV_VARS['REMOTE_ADDR'];
883 elseif (isset($GLOBALS['REMOTE_ADDR']))
884 $userid = $GLOBALS['REMOTE_ADDR'];
891 function _isActionPage ($pagename) {
892 $dbi = $this->getDbh();
893 $page = $dbi->getPage($pagename);
894 if (!$page) return false;
895 $rev = $page->getCurrentRevision();
896 // FIXME: more restrictive check for sane plugin?
897 if (strstr($rev->getPackedContent(), '<?plugin'))
899 if (!$rev->hasDefaultContents())
900 trigger_error("$pagename: Does not appear to be an 'action page'", E_USER_NOTICE);
904 function findActionPage ($action) {
907 // check for translated version, as per users preferred language
908 // (or system default in case it is not en)
909 $translation = gettext($action);
911 if (isset($cache) and isset($cache[$translation]))
912 return $cache[$translation];
914 // check for cached translated version
915 if ($this->_isActionPage($translation))
916 return $cache[$action] = $translation;
918 // Allow for, e.g. action=LikePages
919 if (!isWikiWord($action))
920 return $cache[$action] = false;
922 // check for translated version (default language)
925 require_once("lib/WikiPlugin.php");
926 require_once("lib/plugin/_WikiTranslation.php");
927 $trans = new WikiPlugin__WikiTranslation();
928 $trans->lang = $LANG;
929 $default = $trans->translate_to_en($action, $LANG);
930 if ($this->_isActionPage($default))
931 return $cache[$action] = $default;
933 $default = $translation;
936 // check for english version
937 if ($action != $translation and $action != $default) {
938 if ($this->_isActionPage($action))
939 return $cache[$action] = $action;
942 trigger_error("$action: Cannot find action page", E_USER_NOTICE);
943 return $cache[$action] = false;
946 function isActionPage ($pagename) {
947 return $this->findActionPage($pagename);
950 function action_browse () {
951 $this->buffer_output();
952 include_once("lib/display.php");
956 function action_verify () {
957 $this->action_browse();
960 function actionpage ($action) {
961 $this->buffer_output();
962 include_once("lib/display.php");
963 actionPage($this, $action);
966 function adminActionSubpage ($subpage) {
967 $page = _("PhpWikiAdministration")."/".$subpage;
968 $action = $this->findActionPage($page);
970 $this->setArg('s',$this->getArg('pagename'));
971 $this->setArg('verify',1);
972 $this->setArg('action',$action);
973 $this->actionpage($action);
975 trigger_error($page.": Cannot find action page", E_USER_WARNING);
979 function action_chown () {
980 $this->adminActionSubpage(_("Chown"));
983 function action_setacl () {
984 $this->adminActionSubpage(_("SetAcl"));
987 function action_rename () {
988 $this->adminActionSubpage(_("Rename"));
991 function action_dump () {
992 $action = $this->findActionPage(_("PageDump"));
994 $this->actionpage($action);
996 // redirect to action=upgrade if admin?
997 trigger_error(_("PageDump").": Cannot find action page", E_USER_WARNING);
1001 function action_diff () {
1002 $this->buffer_output();
1003 include_once "lib/diff.php";
1007 function action_search () {
1008 // This is obsolete: reformulate URL and redirect.
1009 // FIXME: this whole section should probably be deleted.
1010 if ($this->getArg('searchtype') == 'full') {
1011 $search_page = _("FullTextSearch");
1014 $search_page = _("TitleSearch");
1016 $this->redirect(WikiURL($search_page,
1017 array('s' => $this->getArg('searchterm')),
1021 function action_edit () {
1022 $this->buffer_output();
1023 include "lib/editpage.php";
1024 $e = new PageEditor ($this);
1028 function action_create () {
1029 $this->action_edit();
1032 function action_viewsource () {
1033 $this->buffer_output();
1034 include "lib/editpage.php";
1035 $e = new PageEditor ($this);
1039 function action_lock () {
1040 $page = $this->getPage();
1041 $page->set('locked', true);
1042 $this->_dbi->touch();
1043 // check ModeratedPage hook
1044 if ($moderated = $page->get('moderated')) {
1045 require_once("lib/WikiPlugin.php");
1046 $plugin = WikiPluginLoader::getPlugin("ModeratedPage");
1047 if ($retval = $plugin->lock_check($this, $page, $moderated))
1048 $this->setArg('errormsg', $retval);
1050 // check if a link to ModeratedPage exists
1051 elseif ($action_page = $page->existLink(_("ModeratedPage"))) {
1052 require_once("lib/WikiPlugin.php");
1053 $plugin = WikiPluginLoader::getPlugin("ModeratedPage");
1054 if ($retval = $plugin->lock_add($this, $page, $action_page))
1055 $this->setArg('errormsg', $retval);
1057 $this->action_browse();
1060 function action_unlock () {
1061 $page = $this->getPage();
1062 $page->set('locked', false);
1063 $this->_dbi->touch();
1064 $this->action_browse();
1067 function action_remove () {
1068 // This check is now redundant.
1069 //$user->requireAuth(WIKIAUTH_ADMIN);
1070 $pagename = $this->getArg('pagename');
1071 if (strstr($pagename, _("PhpWikiAdministration"))) {
1072 $this->action_browse();
1074 include('lib/removepage.php');
1079 function action_xmlrpc () {
1080 include_once("lib/XmlRpcServer.php");
1081 $xmlrpc = new XmlRpcServer($this);
1085 function action_revert () {
1086 include_once "lib/loadsave.php";
1090 function action_zip () {
1091 include_once("lib/loadsave.php");
1093 // I don't think it hurts to add cruft at the end of the zip file.
1094 //echo "\n========================================================\n";
1095 //echo "PhpWiki " . PHPWIKI_VERSION . " source:\n$GLOBALS[RCS_IDS]\n";
1098 function action_ziphtml () {
1099 include_once("lib/loadsave.php");
1100 MakeWikiZipHtml($this);
1101 // I don't think it hurts to add cruft at the end of the zip file.
1102 echo "\n========================================================\n";
1103 echo "PhpWiki " . PHPWIKI_VERSION . " source:\n$GLOBALS[RCS_IDS]\n";
1106 function action_dumpserial () {
1107 include_once("lib/loadsave.php");
1111 function action_dumphtml () {
1112 include_once("lib/loadsave.php");
1113 DumpHtmlToDir($this);
1116 function action_upload () {
1117 include_once("lib/loadsave.php");
1118 LoadPostFile($this);
1121 function action_upgrade () {
1122 include_once("lib/loadsave.php");
1123 include_once("lib/upgrade.php");
1127 function action_loadfile () {
1128 include_once("lib/loadsave.php");
1129 LoadFileOrDir($this);
1132 function action_pdf () {
1133 include_once("lib/pdf.php");
1134 ConvertAndDisplayPdf($this);
1137 function action_captcha () {
1138 include_once "lib/Captcha.php";
1139 $captcha = new Captcha();
1140 $captcha->image ( $captcha->captchaword() );
1145 //FIXME: deprecated with ENABLE_PAGEPERM (?)
1146 function is_safe_action ($action) {
1148 return $request->requiredAuthorityForAction($action) < WIKIAUTH_ADMIN;
1151 function validateSessionPath() {
1152 // Try to defer any session.save_path PHP errors before any html
1153 // is output, which causes some versions of IE to display a blank
1154 // page (due to its strict mode while parsing a page?).
1155 if (! is_writeable(ini_get('session.save_path'))) {
1156 $tmpdir = (defined('SESSION_SAVE_PATH') and SESSION_SAVE_PATH) ? SESSION_SAVE_PATH : '/tmp';
1157 if (!is_writeable($tmpdir))
1160 (sprintf(_("%s is not writable."),
1161 _("The session.save_path directory"))
1163 . sprintf(_("Please ensure that %s is writable, or redefine %s in config/config.ini."),
1164 sprintf(_("the session.save_path directory '%s'"),
1165 ini_get('session.save_path')),
1166 'SESSION_SAVE_PATH')
1168 . sprintf(_("Attempting to use the directory '%s' instead."),
1171 if (! is_writeable($tmpdir)) {
1173 (sprintf(_("%s is not writable."), $tmpdir)
1175 . _("Users will not be able to sign in.")
1179 @ini_set('session.save_path', $tmpdir);
1184 if ( !USE_DB_SESSION )
1185 validateSessionPath();
1188 if ((DEBUG & _DEBUG_APD) and extension_loaded("apd"))
1189 apd_set_session_trace(9);
1191 // Postpone warnings
1192 global $ErrorManager;
1193 if (defined('E_STRICT')) // and (E_ALL & E_STRICT)) // strict php5?
1194 $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE|E_USER_WARNING|E_WARNING|E_STRICT);
1196 $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE|E_USER_WARNING|E_WARNING);
1197 $request = new WikiRequest();
1199 $action = $request->getArg('action');
1200 if (substr($action, 0, 3) != 'zip') {
1201 if ($action == 'pdf')
1202 $ErrorManager->setPostponedErrorMask(-1); // everything
1203 //else // reject postponing of warnings
1204 // $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE);
1208 * Allow for disabling of markup cache.
1209 * (Mostly for debugging ... hopefully.)
1211 * See also <?plugin WikiAdminUtils action=purge-cache ?>
1213 if (!defined('WIKIDB_NOCACHE_MARKUP')) {
1214 if ($request->getArg('nocache')) // 1 or purge
1215 define('WIKIDB_NOCACHE_MARKUP', $request->getArg('nocache'));
1217 define('WIKIDB_NOCACHE_MARKUP', false); // redundant, but explicit
1220 // Initialize with system defaults in case user not logged in.
1221 // Should this go into constructor?
1222 $request->initializeTheme();
1224 $request->updateAuthAndPrefs();
1225 $request->initializeLang();
1228 //if ($user->is_authenticated())
1229 // $LogEntry->user = $user->getId();
1231 // Memory optimization:
1232 // http://www.procata.com/blog/archives/2004/05/27/rephlux-and-php-memory-usage/
1233 // kill the global PEAR _PEAR_destructor_object_list
1234 if (!empty($_PEAR_destructor_object_list))
1235 $_PEAR_destructor_object_list = array();
1236 $request->possiblyDeflowerVirginWiki();
1238 // hack! define proper actions for these.
1239 if (defined('WIKI_XMLRPC') and WIKI_XMLRPC) return;
1240 if (defined('WIKI_SOAP') and WIKI_SOAP) return;
1242 $validators = array('wikiname' => WIKI_NAME,
1243 'args' => wikihash($request->getArgs()),
1244 'prefs' => wikihash($request->getPrefs()));
1245 if (CACHE_CONTROL == 'STRICT') {
1246 $dbi = $request->getDbh();
1247 $timestamp = $dbi->getTimestamp();
1248 $validators['mtime'] = $timestamp;
1249 $validators['%mtime'] = (int)$timestamp;
1251 // FIXME: we should try to generate strong validators when possible,
1252 // but for now, our validator is weak, since equal validators do not
1253 // indicate byte-level equality of content. (Due to DEBUG timing output, etc...)
1255 // (If DEBUG if off, this may be a strong validator, but I'm going
1256 // to go the paranoid route here pending further study and testing.)
1258 $validators['%weak'] = true;
1259 $request->setValidators($validators);
1261 $request->handleAction();
1263 if (DEBUG and DEBUG & _DEBUG_INFO) phpinfo(INFO_VARIABLES | INFO_MODULES);
1267 //$x = error_reporting(); // DEBUG: why is it 1 here? should be E_ALL
1268 if (defined('E_STRICT') and (E_ALL & E_STRICT)) // strict php5?
1269 error_reporting(E_ALL & ~E_STRICT); // exclude E_STRICT
1271 error_reporting(E_ALL); // php4
1272 // don't run the main loop for special requests (test, getimg, xmlrpc, soap, ...)
1273 if (!defined('PHPWIKI_NOMAIN') or !PHPWIKI_NOMAIN)
1277 // $Log: not supported by cvs2svn $
1278 // Revision 1.221 2006/03/19 14:23:51 rurban
1279 // sf.net patch #1377011 by Matt Brown: add DATABASE_OPTIMISE_FREQUENCY
1281 // Revision 1.220 2006/03/07 21:04:15 rurban
1282 // wikihash for php-5.1
1284 // Revision 1.219 2005/10/30 14:20:42 rurban
1285 // move Captcha specific vars and methods into a Captcha object
1286 // randomize Captcha chars positions and angles (smoothly)
1288 // Revision 1.218 2005/10/29 14:18:06 rurban
1291 // Revision 1.217 2005/09/18 12:44:00 rurban
1292 // novatrope patch to let only _AUTHENTICATED view pages
1294 // Revision 1.216 2005/08/27 09:40:46 rurban
1295 // fix login with HttpAuth
1297 // Revision 1.215 2005/08/07 10:50:27 rurban
1300 // Revision 1.214 2005/08/07 09:14:03 rurban
1301 // fix cookie logout; let the WIKI_ID cookie get deleted
1303 // Revision 1.213 2005/06/10 06:10:35 rurban
1304 // ensure Update Preferences gets through
1306 // Revision 1.212 2005/04/25 20:17:14 rurban
1307 // captcha feature by Benjamin Drieu. Patch #1110699
1309 // Revision 1.211 2005/04/11 19:42:54 rurban
1310 // reformatting, SESSION_SAVE_PATH check
1312 // Revision 1.210 2005/04/07 06:06:34 rurban
1313 // add _SERVER[REMOTE_USER] check for pubcookie et al, Bug #1177259 (iamjpr)
1315 // Revision 1.209 2005/04/06 06:19:30 rurban
1316 // Revert the previous wrong bugfix #1175761: USECACHE was mixed with WIKIDB_NOCACHE_MARKUP.
1317 // Fix WIKIDB_NOCACHE_MARKUP in main (always set it) and clarify it in WikiDB
1319 // Revision 1.208 2005/02/28 21:24:32 rurban
1320 // ignore forbidden ini_set warnings. Bug #1117254 by Xavier Roche
1322 // Revision 1.207 2005/02/10 19:03:37 rurban
1323 // try to avoid duoplicate lang/theme init
1325 // Revision 1.206 2005/02/04 11:30:10 rurban
1326 // remove old comments
1328 // Revision 1.205 2005/01/29 20:41:47 rurban
1329 // some minor php5 strictness fixes
1331 // Revision 1.204 2005/01/25 07:35:42 rurban
1334 // Revision 1.203 2005/01/21 14:11:23 rurban
1335 // better moderation class tag
1337 // Revision 1.202 2005/01/21 12:02:32 rurban
1338 // deduce username for xmlrpc also
1340 // Revision 1.201 2005/01/20 10:18:17 rurban
1343 // Revision 1.200 2004/12/26 17:08:36 rurban
1344 // php5 fixes: case-sensitivity, no & new
1346 // Revision 1.199 2004/12/19 00:58:01 rurban
1347 // Enforce PASSWORD_LENGTH_MINIMUM in almost all PassUser checks,
1348 // Provide an errormessage if so. Just PersonalPage and BogoLogin not.
1349 // Simplify httpauth logout handling and set sessions for all methods.
1350 // fix main.php unknown index "x" getLevelDescription() warning.
1352 // Revision 1.198 2004/12/17 16:49:51 rurban
1353 // avoid Invalid username message on Sign In button click
1355 // Revision 1.197 2004/12/17 16:39:55 rurban
1356 // enable sessions for HttpAuth
1358 // Revision 1.196 2004/12/10 02:36:43 rurban
1359 // More help with the new native xmlrpc lib. no warnings, no user cookie on xmlrpc.
1361 // Revision 1.195 2004/12/09 22:24:44 rurban
1362 // optimize on _DEBUG_SQL only. but now again on every 50th request, not just save.
1364 // Revision 1.194 2004/11/30 17:46:49 rurban
1365 // added ModeratedPage POST action hook (part 2/3)
1367 // Revision 1.193 2004/11/30 07:51:08 rurban
1368 // fixed SESSION_SAVE_PATH warning msg
1370 // Revision 1.192 2004/11/21 11:59:20 rurban
1371 // remove final \n to be ob_cache independent
1373 // Revision 1.191 2004/11/19 19:22:03 rurban
1374 // ModeratePage part1: change status
1376 // Revision 1.190 2004/11/15 15:56:40 rurban
1377 // don't load PagePerm on ENABLE_PAGEPERM = false to save memory. Move mayAccessPage() to main.php
1379 // Revision 1.189 2004/11/09 17:11:16 rurban
1380 // * revert to the wikidb ref passing. there's no memory abuse there.
1381 // * use new wikidb->_cache->_id_cache[] instead of wikidb->_iwpcache, to effectively
1382 // store page ids with getPageLinks (GleanDescription) of all existing pages, which
1383 // are also needed at the rendering for linkExistingWikiWord().
1384 // pass options to pageiterator.
1385 // use this cache also for _get_pageid()
1386 // This saves about 8 SELECT count per page (num all pagelinks).
1387 // * fix passing of all page fields to the pageiterator.
1388 // * fix overlarge session data which got broken with the latest ACCESS_LOG_SQL changes
1390 // Revision 1.188 2004/11/07 16:02:52 rurban
1391 // new sql access log (for spam prevention), and restructured access log class
1392 // dbh->quote (generic)
1393 // pear_db: mysql specific parts seperated (using replace)
1395 // Revision 1.187 2004/11/05 22:08:52 rurban
1396 // Ok: Fix loading all required userclasses beforehand. This is much slower than before but safes a few bytes RAM
1398 // Revision 1.186 2004/11/05 20:53:35 rurban
1399 // login cleanup: better debug msg on failing login,
1400 // checked password less immediate login (bogo or anon),
1401 // checked olduser pref session error,
1402 // better PersonalPage without password warning on minimal password length=0
1403 // (which is default now)
1405 // Revision 1.185 2004/11/01 13:55:05 rurban
1406 // fix against switching user new/old between sessions
1408 // Revision 1.184 2004/11/01 10:43:57 rurban
1409 // seperate PassUser methods into seperate dir (memory usage)
1410 // fix WikiUser (old) overlarge data session
1411 // remove wikidb arg from various page class methods, use global ->_dbi instead
1414 // Revision 1.183 2004/10/14 19:23:58 rurban
1415 // remove debugging prints
1417 // Revision 1.182 2004/10/12 13:13:19 rurban
1418 // php5 compatibility (5.0.1 ok)
1420 // Revision 1.181 2004/10/07 16:08:58 rurban
1421 // fixed broken FileUser session handling.
1422 // thanks to Arnaud Fontaine for detecting this.
1423 // enable file user Administrator membership.
1425 // Revision 1.180 2004/10/04 23:39:34 rurban
1428 // Revision 1.179 2004/09/25 18:57:42 rurban
1429 // better ACL error message: view not browse, change not setacl, ...
1431 // Revision 1.178 2004/09/25 16:27:36 rurban
1432 // better not allowed description: on global disallowed, and on missing pageperms
1434 // Revision 1.177 2004/09/14 10:31:09 rurban
1435 // 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
1437 // Revision 1.176 2004/08/05 17:33:22 rurban
1440 // Revision 1.175 2004/07/13 13:08:25 rurban
1441 // fix PEAR memory waste issues
1443 // Revision 1.174 2004/07/08 13:50:32 rurban
1444 // various unit test fixes: print error backtrace on _DEBUG_TRACE; allusers fix; new PHPWIKI_NOMAIN constant for omitting the mainloop
1446 // Revision 1.173 2004/07/05 12:57:54 rurban
1447 // add mysql timeout
1449 // Revision 1.172 2004/07/03 08:04:19 rurban
1450 // fixed implicit PersonalPage login (e.g. on edit), fixed to check against create ACL on create, not edit
1452 // Revision 1.171 2004/06/29 09:30:42 rurban
1453 // force string hash
1455 // Revision 1.170 2004/06/25 14:29:20 rurban
1456 // WikiGroup refactoring:
1457 // global group attached to user, code for not_current user.
1458 // improved helpers for special groups (avoid double invocations)
1459 // new experimental config option ENABLE_XHTML_XML (fails with IE, and document.write())
1460 // fixed a XHTML validation error on userprefs.tmpl
1462 // Revision 1.169 2004/06/20 14:42:54 rurban
1463 // various php5 fixes (still broken at blockparser)
1465 // Revision 1.168 2004/06/17 10:39:18 rurban
1466 // fix reverse translation of possible actionpage
1468 // Revision 1.167 2004/06/16 13:21:16 rurban
1469 // stabilize on failing ldap queries or bind
1471 // Revision 1.166 2004/06/15 09:15:52 rurban
1472 // IMPORTANT: fixed passwd handling for passwords stored in prefs:
1473 // fix encrypted usage, actually store and retrieve them from db
1474 // fix bogologin with passwd set.
1475 // fix php crashes with call-time pass-by-reference (references wrongly used
1476 // in declaration AND call). This affected mainly Apache2 and IIS.
1477 // (Thanks to John Cole to detect this!)
1479 // Revision 1.165 2004/06/14 11:31:37 rurban
1480 // renamed global $Theme to $WikiTheme (gforge nameclash)
1481 // inherit PageList default options from PageList
1482 // default sortby=pagename
1483 // use options in PageList_Selectable (limit, sortby, ...)
1484 // added action revert, with button at action=diff
1485 // added option regex to WikiAdminSearchReplace
1487 // Revision 1.164 2004/06/13 13:54:25 rurban
1488 // Catch fatals on the four dump calls (as file and zip, as html and mimified)
1489 // FoafViewer: Check against external requirements, instead of fatal.
1490 // Change output for xhtmldumps: using file:// urls to the local fs.
1491 // Catch SOAP fatal by checking for GOOGLE_LICENSE_KEY
1492 // Import GOOGLE_LICENSE_KEY and FORTUNE_DIR from config.ini.
1494 // Revision 1.163 2004/06/13 11:35:32 rurban
1495 // check for create action on action=edit not to fool PagePerm checks
1497 // Revision 1.162 2004/06/08 10:05:11 rurban
1498 // simplified admin action shortcuts
1500 // Revision 1.161 2004/06/07 22:58:40 rurban
1501 // simplified chown, setacl, dump actions
1503 // Revision 1.160 2004/06/07 22:44:14 rurban
1504 // added simplified chown, setacl actions
1506 // Revision 1.159 2004/06/06 16:58:51 rurban
1507 // added more required ActionPages for foreign languages
1508 // install now english ActionPages if no localized are found. (again)
1509 // fixed default anon user level to be 0, instead of -1
1510 // (wrong "required administrator to view this page"...)
1512 // Revision 1.158 2004/06/04 20:32:53 rurban
1513 // Several locale related improvements suggested by Pierrick Meignen
1514 // LDAP fix by John Cole
1515 // reanable admin check without ENABLE_PAGEPERM in the admin plugins
1517 // Revision 1.157 2004/06/04 12:40:21 rurban
1518 // Restrict valid usernames to prevent from attacks against external auth or compromise
1520 // Fix various WikiUser old issues with default IMAP,LDAP,POP3 configs. Removed these.
1521 // Fxied more warnings
1523 // Revision 1.156 2004/06/03 17:58:16 rurban
1524 // support immediate LANG and THEME switch inside a session
1526 // Revision 1.155 2004/06/03 10:18:19 rurban
1527 // fix FileUser locking issues, new config ENABLE_PAGEPERM
1529 // Revision 1.154 2004/06/02 18:01:46 rurban
1530 // init global FileFinder to add proper include paths at startup
1531 // adds PHPWIKI_DIR if started from another dir, lib/pear also
1532 // fix slashify for Windows
1533 // fix USER_AUTH_POLICY=old, use only USER_AUTH_ORDER methods (besides HttpAuth)
1535 // Revision 1.153 2004/06/01 15:28:00 rurban
1536 // AdminUser only ADMIN_USER not member of Administrators
1537 // some RateIt improvements by dfrankow
1538 // edit_toolbar buttons
1540 // Revision 1.152 2004/05/27 17:49:06 rurban
1541 // renamed DB_Session to DbSession (in CVS also)
1542 // added WikiDB->getParam and WikiDB->getAuthParam method to get rid of globals
1543 // remove leading slash in error message
1544 // added force_unlock parameter to File_Passwd (no return on stale locks)
1545 // fixed adodb session AffectedRows
1546 // added FileFinder helpers to unify local filenames and DATA_PATH names
1547 // editpage.php: new edit toolbar javascript on ENABLE_EDIT_TOOLBAR
1549 // Revision 1.151 2004/05/25 12:40:48 rurban
1550 // trim the pagename
1552 // Revision 1.150 2004/05/25 10:18:44 rurban
1553 // Check for UTF-8 URLs; Internet Explorer produces these if you
1554 // type non-ASCII chars in the URL bar or follow unescaped links.
1555 // Fixes sf.net bug #953949
1556 // src: languages/Language.php:checkTitleEncoding() from mediawiki
1558 // Revision 1.149 2004/05/18 13:31:19 rurban
1559 // hold warnings until headers are sent. new Error-style with collapsed output of repeated messages
1561 // Revision 1.148 2004/05/17 17:43:29 rurban
1562 // CGI: no PATH_INFO fix
1564 // Revision 1.147 2004/05/15 19:48:33 rurban
1565 // fix some too loose PagePerms for signed, but not authenticated users
1566 // (admin, owner, creator)
1567 // no double login page header, better login msg.
1568 // moved action_pdf to lib/pdf.php
1570 // Revision 1.146 2004/05/15 18:31:01 rurban
1571 // some action=pdf Request fixes: With MSIE it works now. Now the work with the page formatting begins.
1573 // Revision 1.145 2004/05/12 10:49:55 rurban
1574 // require_once fix for those libs which are loaded before FileFinder and
1575 // its automatic include_path fix, and where require_once doesn't grok
1576 // dirname(__FILE__) != './lib'
1577 // upgrade fix with PearDB
1578 // navbar.tmpl: remove spaces for IE button alignment
1580 // Revision 1.144 2004/05/06 19:26:16 rurban
1581 // improve stability, trying to find the InlineParser endless loop on sf.net
1583 // remove end-of-zip comments to fix sf.net bug #777278 and probably #859628
1585 // Revision 1.143 2004/05/06 17:30:38 rurban
1586 // CategoryGroup: oops, dos2unix eol
1587 // improved phpwiki_version:
1588 // pre -= .0001 (1.3.10pre: 1030.099)
1589 // -p1 += .001 (1.3.9-p1: 1030.091)
1590 // improved InstallTable for mysql and generic SQL versions and all newer tables so far.
1591 // abstracted more ADODB/PearDB methods for action=upgrade stuff:
1592 // backend->backendType(), backend->database(),
1593 // backend->listOfFields(),
1594 // backend->listOfTables(),
1596 // Revision 1.142 2004/05/04 22:34:25 rurban
1599 // Revision 1.141 2004/05/03 13:16:47 rurban
1600 // fixed UserPreferences update, esp for boolean and int
1602 // Revision 1.140 2004/05/02 21:26:38 rurban
1603 // limit user session data (HomePageHandle and auth_dbi have to invalidated anyway)
1604 // because they will not survive db sessions, if too large.
1605 // extended action=upgrade
1606 // some WikiTranslation button work
1607 // revert WIKIAUTH_UNOBTAINABLE (need it for main.php)
1608 // some temp. session debug statements
1610 // Revision 1.139 2004/05/02 15:10:07 rurban
1611 // new finally reliable way to detect if /index.php is called directly
1612 // and if to include lib/main.php
1613 // new global AllActionPages
1614 // SetupWiki now loads all mandatory pages: HOME_PAGE, action pages, and warns if not.
1615 // WikiTranslation what=buttons for Carsten to create the missing MacOSX buttons
1616 // PageGroupTestOne => subpages
1617 // renamed PhpWikiRss to PhpWikiRecentChanges
1618 // more docs, default configs, ...
1620 // Revision 1.138 2004/05/01 15:59:29 rurban
1621 // more php-4.0.6 compatibility: superglobals
1623 // Revision 1.137 2004/04/29 19:39:44 rurban
1624 // special support for formatted plugins (one-liners)
1625 // like <small><plugin BlaBla ></small>
1626 // iter->asArray() helper for PopularNearby
1627 // db_session for older php's (no &func() allowed)
1629 // Revision 1.136 2004/04/29 17:18:19 zorloc
1630 // Fixes permission failure issues. With PagePermissions and Disabled
1631 // Actions when user did not have permission WIKIAUTH_FORBIDDEN was
1632 // returned. In WikiUser this was ok because WIKIAUTH_FORBIDDEN had a
1633 // value of 11 -- thus no user could perform that action. But
1634 // WikiUserNew has a WIKIAUTH_FORBIDDEN value of -1 -- thus a user
1635 // without sufficent permission to do anything. The solution is a new
1636 // high value permission level (WIKIAUTH_UNOBTAINABLE) to be the
1637 // default level for access failure.
1639 // Revision 1.135 2004/04/26 12:15:01 rurban
1640 // check default config values
1642 // Revision 1.134 2004/04/23 06:46:37 zorloc
1643 // Leave DB connection open when USE_DB_SESSION is true so that session info can be written to the DB.
1645 // Revision 1.133 2004/04/20 18:10:31 rurban
1646 // config refactoring:
1647 // FileFinder is needed for WikiFarm scripts calling index.php
1648 // config run-time calls moved to lib/IniConfig.php:fix_configs()
1649 // added PHPWIKI_DIR smart-detection code (Theme finder)
1650 // moved FileFind to lib/FileFinder.php
1651 // cleaned lib/config.php
1653 // Revision 1.132 2004/04/19 21:51:41 rurban
1654 // php5 compatibility: it works!
1656 // Revision 1.131 2004/04/19 18:27:45 rurban
1657 // Prevent from some PHP5 warnings (ref args, no :: object init)
1658 // php5 runs now through, just one wrong XmlElement object init missing
1659 // Removed unneccesary UpgradeUser lines
1660 // Changed WikiLink to omit version if current (RecentChanges)
1662 // Revision 1.130 2004/04/18 00:25:53 rurban
1663 // allow "0" pagename
1665 // Revision 1.129 2004/04/07 23:13:19 rurban
1666 // fixed pear/File_Passwd for Windows
1667 // fixed FilePassUser sessions (filehandle revive) and password update
1669 // Revision 1.128 2004/04/02 15:06:55 rurban
1670 // fixed a nasty ADODB_mysql session update bug
1671 // improved UserPreferences layout (tabled hints)
1672 // fixed UserPreferences auth handling
1673 // improved auth stability
1674 // improved old cookie handling: fixed deletion of old cookies with paths
1676 // Revision 1.127 2004/03/25 17:00:31 rurban
1677 // more code to convert old-style pref array to new hash
1679 // Revision 1.126 2004/03/24 19:39:03 rurban
1680 // php5 workaround code (plus some interim debugging code in XmlElement)
1681 // php5 doesn't work yet with the current XmlElement class constructors,
1682 // WikiUserNew does work better than php4.
1683 // rewrote WikiUserNew user upgrading to ease php5 update
1684 // fixed pref handling in WikiUserNew
1685 // added Email Notification
1686 // added simple Email verification
1687 // removed emailVerify userpref subclass: just a email property
1688 // changed pref binary storage layout: numarray => hash of non default values
1689 // print optimize message only if really done.
1690 // forced new cookie policy: delete pref cookies, use only WIKI_ID as plain string.
1691 // prefs should be stored in db or homepage, besides the current session.
1693 // Revision 1.125 2004/03/14 16:30:52 rurban
1694 // db-handle session revivification, dba fixes
1696 // Revision 1.124 2004/03/12 15:48:07 rurban
1697 // fixed explodePageList: wrong sortby argument order in UnfoldSubpages
1698 // simplified lib/stdlib.php:explodePageList
1700 // Revision 1.123 2004/03/10 15:41:27 rurban
1701 // use default pref mysql table
1703 // Revision 1.122 2004/03/08 18:17:09 rurban
1704 // added more WikiGroup::getMembersOf methods, esp. for special groups
1705 // fixed $LDAP_SET_OPTIONS
1706 // fixed _AuthInfo group methods
1708 // Revision 1.121 2004/03/01 13:48:45 rurban
1710 // p[] consistency fix
1712 // Revision 1.120 2004/03/01 10:22:41 rurban
1713 // initializeTheme optimize
1715 // Revision 1.119 2004/02/26 20:45:06 rurban
1716 // check for ALLOW_ANON_USER = false
1718 // Revision 1.118 2004/02/26 01:32:03 rurban
1719 // fixed session login with old WikiUser object.
1720 // strangely, the errormask gets corrupted to 1, Pear???
1722 // Revision 1.117 2004/02/24 17:19:37 rurban
1723 // debugging helpers only
1725 // Revision 1.116 2004/02/24 15:17:14 rurban
1726 // improved auth errors with individual pages. the fact that you may
1727 // not browse a certain admin page does not conclude that you may not
1728 // browse the whole wiki. renamed browse => view
1730 // Revision 1.115 2004/02/15 21:34:37 rurban
1731 // PageList enhanced and improved.
1732 // fixed new WikiAdmin... plugins
1733 // editpage, Theme with exp. htmlarea framework
1734 // (htmlarea yet committed, this is really questionable)
1735 // WikiUser... code with better session handling for prefs
1736 // enhanced UserPreferences (again)
1737 // RecentChanges for show_deleted: how should pages be deleted then?
1739 // Revision 1.114 2004/02/15 17:30:13 rurban
1740 // workaround for lost db connnection handle on session restauration (->_auth_dbi)
1741 // fixed getPreferences() (esp. from sessions)
1742 // fixed setPreferences() (update and set),
1743 // fixed AdoDb DB statements,
1744 // update prefs only at UserPreferences POST (for testing)
1745 // unified db prefs methods (but in external pref classes yet)
1747 // Revision 1.113 2004/02/12 13:05:49 rurban
1748 // Rename functional for PearDB backend
1749 // some other minor changes
1750 // SiteMap comes with a not yet functional feature request: includepages (tbd)
1752 // Revision 1.112 2004/02/09 03:58:12 rurban
1753 // for now default DB_SESSION to false
1755 // * not existing perms will now query the parent, and not
1756 // return the default perm
1757 // * added pagePermissions func which returns the object per page
1758 // * added getAccessDescription
1760 // * added global ->prepare (not yet used) with smart user/pref/member table prefixing.
1761 // * force init of authdbh in the 2 db classes
1763 // * fixed session handling (not triple auth request anymore)
1764 // * don't store cookie prefs with sessions
1765 // stdlib: global obj2hash helper from _AuthInfo, also needed for PagePerm
1767 // Revision 1.111 2004/02/07 10:41:25 rurban
1768 // fixed auth from session (still double code but works)
1770 // fixed DbPassUser upgrade and policy=old
1773 // Revision 1.110 2004/02/03 09:45:39 rurban
1774 // LDAP cleanup, start of new Pref classes
1776 // Revision 1.109 2004/01/30 19:57:58 rurban
1777 // fixed DBAuthParams['pref_select']: wrong _auth_dbi object used.
1779 // Revision 1.108 2004/01/28 14:34:14 rurban
1780 // session table takes the common prefix
1781 // + various minor stuff
1782 // reallow password changing
1784 // Revision 1.107 2004/01/27 23:23:39 rurban
1785 // renamed ->Username => _userid for consistency
1786 // renamed mayCheckPassword => mayCheckPass
1787 // fixed recursion problem in WikiUserNew
1788 // fixed bogo login (but not quite 100% ready yet, password storage)
1790 // Revision 1.106 2004/01/26 09:17:49 rurban
1791 // * changed stored pref representation as before.
1792 // the array of objects is 1) bigger and 2)
1793 // less portable. If we would import packed pref
1794 // objects and the object definition was changed, PHP would fail.
1795 // This doesn't happen with an simple array of non-default values.
1796 // * use $prefs->retrieve and $prefs->store methods, where retrieve
1797 // understands the interim format of array of objects also.
1798 // * simplified $prefs->get() and fixed $prefs->set()
1799 // * added $user->_userid and class '_WikiUser' portability functions
1800 // * fixed $user object ->_level upgrading, mostly using sessions.
1801 // this fixes yesterdays problems with loosing authorization level.
1802 // * fixed WikiUserNew::checkPass to return the _level
1803 // * fixed WikiUserNew::isSignedIn
1804 // * added explodePageList to class PageList, support sortby arg
1805 // * fixed UserPreferences for WikiUserNew
1806 // * fixed WikiPlugin for empty defaults array
1807 // * UnfoldSubpages: added pagename arg, renamed pages arg,
1808 // removed sort arg, support sortby arg
1810 // Revision 1.105 2004/01/25 03:57:15 rurban
1811 // WikiUserNew support (temp. ENABLE_USER_NEW constant)
1813 // Revision 1.104 2003/12/26 06:41:16 carstenklapp
1814 // Bugfix: Try to defer OS errors about session.save_path and ACCESS_LOG,
1815 // so they don't prevent IE from partially (or not at all) rendering the
1816 // page. This should help a little for the IE user who encounters trouble
1817 // when setting up a new PhpWiki for the first time.
1819 // Revision 1.103 2003/12/02 00:10:00 carstenklapp
1820 // Bugfix: Ongoing work to untangle UserPreferences/WikiUser/request code
1821 // mess: UserPreferences should take effect immediately now upon signing
1824 // Revision 1.102 2003/11/25 22:55:32 carstenklapp
1825 // Localization bugfix: For wikis where English is not the default system
1826 // language, make sure that the authority error message (i.e. "You must
1827 // sign in to edit pages in this wiki" etc.) is displayed in the wiki's
1828 // default language. Previously it would always display in English.
1829 // (Added call to update_locale() before displaying any messages prior to
1830 // the login prompt.)
1832 // Revision 1.101 2003/11/25 21:49:44 carstenklapp
1833 // Bugfix: For a non-english wiki or when the user's preference is not
1834 // english, the wiki would always use the english ActionPage first if it
1835 // was present rather than the appropriate localised variant. (PhpWikis
1836 // running only in english or Wikis running ONLY without any english
1837 // ActionPages would not notice this bug, only when both english and
1838 // localised ActionPages were in the DB.) Now we check for the localised
1841 // Revision 1.100 2003/11/18 16:54:18 carstenklapp
1842 // Reformatting only: Tabs to spaces, added rcs log.
1849 // c-basic-offset: 4
1850 // c-hanging-comment-ender-p: nil
1851 // indent-tabs-mode: nil