4 * Copyright 1999-2008 $ThePhpWikiProgrammingTeam
5 * Copyright (C) 2008-2009 Marc-Etienne Vargenau, Alcatel-Lucent
6 * Copyright (C) 2009 Roger Guignard, Alcatel-Lucent
8 * This file is part of PhpWiki.
10 * PhpWiki is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * PhpWiki is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with PhpWiki; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 define ('USE_PREFS_IN_PAGE', true);
27 //include "lib/config.php";
28 require_once(dirname(__FILE__)."/stdlib.php");
29 require_once('lib/Request.php');
30 require_once('lib/WikiDB.php');
32 require_once("lib/WikiUserNew.php");
34 require_once("lib/WikiUser.php");
35 require_once("lib/WikiGroup.php");
37 require_once("lib/PagePerm.php");
40 * Check permission per page.
41 * Returns true or false.
43 function mayAccessPage ($access, $pagename) {
45 return _requiredAuthorityForPagename($access, $pagename); // typically [10-20ms per page]
50 class WikiRequest extends Request {
53 function WikiRequest () {
54 $this->_dbi = WikiDB::open($GLOBALS['DBParams']);
55 // first mysql request costs [958ms]! [670ms] is mysql_connect()
57 if (in_array('File', $this->_dbi->getAuthParam('USER_AUTH_ORDER'))) {
58 // force our local copy, until the pear version is fixed.
59 include_once(dirname(__FILE__)."/pear/File_Passwd.php");
61 if (ENABLE_USER_NEW) {
62 // Preload all necessary userclasses. Otherwise session => __PHP_Incomplete_Class_Name
63 // There's no way to demand-load it later. This way it's much slower, but needs slightly
64 // less memory than loading all.
66 include_once("lib/WikiUser/BogoLogin.php");
67 // UserPreferences POST Update doesn't reach this.
68 foreach ($GLOBALS['USER_AUTH_ORDER'] as $method) {
69 include_once("lib/WikiUser/$method.php");
71 switch( DATABASE_TYPE ) {
72 case 'SQL' : include_once("lib/WikiUser/PearDb.php"); break;
73 case 'ADODB': include_once("lib/WikiUser/AdoDb.php"); break;
74 case 'PDO' : include_once("lib/WikiUser/PdoDb.php"); break;
80 include_once('lib/DbSession.php');
83 $this->_dbsession = new DbSession($dbi, $dbi->getParam('prefix')
84 . $dbi->getParam('db_session_table'));
87 // Fixme: Does pear reset the error mask to 1? We have to find the culprit
88 //$x = error_reporting();
90 $this->version = phpwiki_version();
91 $this->Request(); // [90ms]
94 $this->setArg('pagename', $this->_deducePagename());
95 $this->setArg('action', $this->_deduceAction());
97 if ((DEBUG & _DEBUG_SQL)
98 or (DATABASE_OPTIMISE_FREQUENCY > 0 and
99 (time() % DATABASE_OPTIMISE_FREQUENCY == 0))) {
100 if ($this->_dbi->_backend->optimize())
101 trigger_error(_("Optimizing database"), E_USER_NOTICE);
104 // Restore auth state. This doesn't check for proper authorization!
105 $userid = $this->_deduceUsername();
106 if (ENABLE_USER_NEW) {
107 if (isset($this->_user) and
108 !empty($this->_user->_authhow) and
109 $this->_user->_authhow == 'session')
111 // users might switch in a session between the two objects.
112 // restore old auth level here or in updateAuthAndPrefs?
113 //$user = $this->getSessionVar('wiki_user');
114 // revive db handle, because these don't survive sessions
115 if (isset($this->_user) and
116 ( ! isa($this->_user, WikiUserClassname())
117 or (strtolower(get_class($this->_user)) == '_passuser')
118 or (strtolower(get_class($this->_user)) == '_gforgepassuser')))
120 $this->_user = WikiUser($userid, $this->_user->_prefs);
122 // revive other db handle
123 if (isset($this->_user->_prefs->_method)
124 and ($this->_user->_prefs->_method == 'SQL'
125 or $this->_user->_prefs->_method == 'ADODB'
126 or $this->_user->_prefs->_method == 'PDO'
127 or $this->_user->_prefs->_method == 'HomePage')) {
128 $this->_user->_HomePagehandle = $this->getPage($userid);
130 // need to update the lockfile filehandle
131 if ( isa($this->_user, '_FilePassUser')
132 and $this->_user->_file->lockfile
133 and !$this->_user->_file->fplock )
135 //$level = $this->_user->_level;
136 $this->_user = UpgradeUser($this->_user,
137 new _FilePassUser($userid,
138 $this->_user->_prefs,
139 $this->_user->_file->filename));
140 //$this->_user->_level = $level;
142 $this->_prefs = & $this->_user->_prefs;
144 $user = WikiUser($userid);
145 $this->_user = & $user;
146 $this->_prefs = & $this->_user->_prefs;
149 $this->_user = new WikiUser($this, $userid);
150 $this->_prefs = $this->_user->getPreferences();
154 function initializeLang () {
155 // check non-default pref lang
156 if (empty($this->_prefs->_prefs['lang']))
158 $_lang = $this->_prefs->_prefs['lang'];
159 if (isset($_lang->lang) and $_lang->lang != $GLOBALS['LANG']) {
160 $user_lang = $_lang->lang;
161 //check changed LANG and THEME inside a session.
162 // (e.g. by using another baseurl)
163 if (isset($this->_user->_authhow) and $this->_user->_authhow == 'session')
164 $user_lang = $GLOBALS['LANG'];
165 update_locale($user_lang);
166 FindLocalizedButtonFile(".",'missing_ok','reinit');
168 //if (empty($_lang->lang) and $GLOBALS['LANG'] != $_lang->default_value) ;
171 function initializeTheme ($when = 'default') {
173 // if when = 'default', then first time init (default theme, ...)
174 // if when = 'login', then check some callbacks
175 // and maybe the theme changed (other theme defined in pref)
176 // if when = 'logout', then check other callbacks
177 // and maybe the theme changed (back to default theme)
179 // Load non-default theme (when = login)
180 if (!empty($this->_prefs->_prefs['theme'])) {
181 $_theme = $this->_prefs->_prefs['theme'];
182 if (isset($_theme) and isset($_theme->theme))
183 $user_theme = $_theme->theme;
184 elseif (isset($_theme) and isset($_theme->default_value))
185 $user_theme = $_theme->default_value;
190 $user_theme = $this->getPref('theme');
192 //check changed LANG and THEME inside a session.
193 // (e.g. by using another baseurl)
194 if (isset($this->_user->_authhow)
195 and $this->_user->_authhow == 'session'
196 and !isset($_theme->theme)
198 and $user_theme != THEME)
200 include_once("themes/" . THEME . "/themeinfo.php");
202 if (empty($WikiTheme) and $user_theme) {
203 if (strcspn($user_theme,"./\x00]") != strlen($user_theme)) {
204 trigger_error(sprintf("invalid theme '%s': Invalid characters detected", $user_theme),
206 $user_theme = "default";
208 if (!$user_theme) $user_theme = "default";
209 include_once("themes/$user_theme/themeinfo.php");
211 if (empty($WikiTheme) and defined('THEME'))
212 include_once("themes/" . THEME . "/themeinfo.php");
213 if (empty($WikiTheme))
214 include_once("themes/default/themeinfo.php");
215 assert(!empty($WikiTheme));
217 // Do not execute global init code anymore
219 // WikiTheme callbacks
220 if ($when == 'login') {
221 $WikiTheme->CbUserLogin($this, $this->_user->_userid);
222 if (!$this->_user->hasHomePage()) { // NewUser
223 $WikiTheme->CbNewUserLogin($this, $this->_user->_userid);
224 if (in_array($this->getArg('action'), array('edit','create')))
225 $WikiTheme->CbNewUserEdit($this, $this->_user->_userid);
228 elseif ($when == 'logout') {
229 $WikiTheme->CbUserLogout($this, $this->_user->_userid);
231 elseif ($when == 'default') {
233 if ($this->_user->_level > 0 and !$this->_user->hasHomePage()) { // NewUser
234 if (in_array($this->getArg('action'), array('edit','create')))
235 $WikiTheme->CbNewUserEdit($this, $this->_user->_userid);
240 // This really maybe should be part of the constructor, but since it
241 // may involve HTML/template output, the global $request really needs
242 // to be initialized before we do this stuff.
243 // [50ms]: 36ms if wikidb_page::exists
244 function updateAuthAndPrefs () {
246 if (isset($this->_user) and (!isa($this->_user, WikiUserClassname()))) {
247 $this->_user = false;
249 // Handle authentication request, if any.
250 if ($auth_args = $this->getArg('auth')) {
251 $this->setArg('auth', false);
252 $this->_handleAuthRequest($auth_args); // possible NORETURN
254 elseif ( ! $this->_user
255 or (isa($this->_user, WikiUserClassname())
256 and ! $this->_user->isSignedIn())) {
257 // If not auth request, try to sign in as saved user.
258 if (($saved_user = $this->getPref('userid')) != false) {
259 $this->_signIn($saved_user);
263 $action = $this->getArg('action');
265 // Save preferences in session and cookie
266 if ((defined('WIKI_XMLRPC') and !WIKI_XMLRPC) or $action != 'xmlrpc') {
267 if (isset($this->_user) and $this->_user->_userid) {
268 if (!isset($this->_user->_authhow) or $this->_user->_authhow != 'session') {
269 $this->_user->setPreferences($this->_prefs, true);
272 $tmpuser = $this->_user; // clone it
273 $this->setSessionVar('wiki_user', $tmpuser);
277 // Ensure user has permissions for action
278 // HACK ALERT: We may not set the request arg to create,
279 // since the pageeditor has an ugly logic for action == create.
280 if ($action == 'edit' or $action == 'create') {
281 $page = $this->getPage();
282 if (! $page->exists() )
287 if (! ENABLE_PAGEPERM) { // Bug #1438392 by Matt Brown
288 $require_level = $this->requiredAuthority($action);
289 if (! $this->_user->hasAuthority($require_level))
290 $this->_notAuthorized($require_level); // NORETURN
292 // novatrope patch to let only _AUTHENTICATED view pages.
293 // If there's not enough authority or forbidden, ask for a password,
294 // unless it's explicitly unobtainable. Some bad magic though.
295 if ($this->requiredAuthorityForAction($action) == WIKIAUTH_UNOBTAINABLE) {
296 $require_level = $this->requiredAuthority($action);
297 $this->_notAuthorized($require_level); // NORETURN
302 function & getUser () {
303 if (isset($this->_user))
306 return $GLOBALS['ForbiddenUser'];
309 function & getGroup () {
310 if (isset($this->_user) and isset($this->_user->_group))
311 return $this->_user->_group;
313 // Debug Strict: Only variable references should be returned by reference
314 $this->_user->_group = WikiGroup::getGroup();
315 return $this->_user->_group;
319 function & getPrefs () {
320 return $this->_prefs;
323 // Convenience function:
324 function getPref ($key) {
325 if (isset($this->_prefs)) {
326 return $this->_prefs->get($key);
329 function & getDbh () {
334 * Get requested page from the page database.
335 * By default it will grab the page requested via the URL
337 * This is a convenience function.
338 * @param string $pagename Name of page to get.
339 * @return WikiDB_Page Object with methods to pull data from
340 * database for the page requested.
342 function getPage ($pagename = false) {
343 //if (!isset($this->_dbi)) $this->getDbh();
345 $pagename = $this->getArg('pagename');
346 return $this->_dbi->getPage($pagename);
349 /** Get URL for POST actions.
351 * Officially, we should just use SCRIPT_NAME (or some such),
352 * but that causes problems when we try to issue a redirect, e.g.
353 * after saving a page.
355 * Some browsers (at least NS4 and Mozilla 0.97 won't accept
356 * a redirect from a page to itself.)
358 * So, as a HACK, we include pagename and action as query args in
359 * the URL. (These should be ignored when we receive the POST
362 function getPostURL ($pagename = false) {
363 global $HTTP_GET_VARS;
365 if ($pagename === false)
366 $pagename = $this->getArg('pagename');
367 $action = $this->getArg('action');
368 if (!empty($HTTP_GET_VARS['start_debug'])) // zend ide support
369 return WikiURL($pagename, array('action' => $action, 'start_debug' => 1));
370 elseif ($action == 'edit')
371 return WikiURL($pagename);
373 return WikiURL($pagename, array('action' => $action));
376 function _handleAuthRequest ($auth_args) {
377 if (!is_array($auth_args))
380 // Ignore password unless POST'ed.
381 if (!$this->isPost())
382 unset($auth_args['passwd']);
384 $olduser = $this->_user;
385 $user = $this->_user->AuthCheck($auth_args);
386 if (is_string($user)) {
387 // Login attempt failed.
388 $fail_message = $user;
389 $auth_args['pass_required'] = true;
390 // if clicked just on to the "sign in as:" button dont print invalid username.
391 if (!empty($auth_args['login']) and empty($auth_args['userid']))
393 // If no password was submitted, it's not really
394 // a failure --- just need to prompt for password...
395 if (!ALLOW_USER_PASSWORDS
397 and !isset($auth_args['passwd']))
399 $fail_message = false;
401 $olduser->PrintLoginForm($this, $auth_args, $fail_message, 'newpage');
402 $this->finish(); //NORETURN
404 elseif (isa($user, WikiUserClassname())) {
405 // Successful login (or logout.)
406 $this->_setUser($user);
409 // Login request cancelled.
414 * Attempt to sign in (bogo-login).
418 * @param $userid string Userid to attempt to sign in as.
421 function _signIn ($userid) {
422 if (ENABLE_USER_NEW) {
424 $this->_user = new _BogoUser($userid);
425 // FIXME: is this always false? shouldn't we try passuser first?
427 $this->_user = new _PassUser($userid);
430 $this->_user = new WikiUser($this, $userid);
432 $user = $this->_user->AuthCheck(array('userid' => $userid));
433 if (isa($user, WikiUserClassname())) {
434 $this->_setUser($user); // success!
438 // login or logout or restore state
439 function _setUser (&$user) {
440 $this->_user =& $user;
441 if (defined('MAIN_setUser')) return; // don't set cookies twice
442 $this->setCookieVar(getCookieName(), $user->getAuthenticatedId(),
443 COOKIE_EXPIRATION_DAYS, COOKIE_DOMAIN);
444 $isSignedIn = $user->isSignedIn();
446 $user->_authhow = 'signin';
449 // Save userid to prefs..
450 if ( empty($this->_user->_prefs)) {
451 $this->_user->_prefs = $this->_user->getPreferences();
452 $this->_prefs =& $this->_user->_prefs;
454 $this->_user->_group = $this->getGroup();
455 $this->setSessionVar('wiki_user', $user);
456 $this->_prefs->set('userid',
457 $isSignedIn ? $user->getId() : '');
458 if (!ENABLE_USER_NEW) {
459 if (empty($this->_user->_request))
460 $this->_user->_request =& $this;
461 if (empty($this->_user->_dbi))
462 $this->_user->_dbi =& $this->_dbi;
464 $this->initializeTheme($isSignedIn ? 'login' : 'logout');
465 define('MAIN_setUser', true);
468 /* Permission system */
469 function getLevelDescription($level) {
470 static $levels = false;
471 if (!$levels) // This looks like a Visual Basic hack. For the very same reason. "0"
472 $levels = array('x-1' => _("FORBIDDEN"),
477 'x100'=> _("UNOBTAINABLE"));
480 if (!empty($levels["x".$level]))
481 return $levels["x".$level];
486 function _notAuthorized ($require_level) {
487 // Display the authority message in the Wiki's default
488 // language, in case it is not english.
490 // Note that normally a user will not see such an error once
491 // logged in, unless the admin has altered the default
492 // disallowed wikiactions. In that case we should probably
493 // check the user's language prefs too at this point; this
494 // would be a situation which is not really handled with the
496 if (empty($GLOBALS['LANG']))
497 update_locale(DEFAULT_LANGUAGE);
499 // User does not have required authority. Prompt for login.
500 $what = $this->getActionDescription($this->getArg('action'));
501 $pass_required = ($require_level >= WIKIAUTH_USER);
502 if ($require_level == WIKIAUTH_UNOBTAINABLE) {
503 global $DisabledActions;
504 if ($DisabledActions and in_array($action, $DisabledActions)) {
505 $msg = fmt("%s is disallowed on this wiki.",
506 $this->getDisallowedActionDescription($this->getArg('action')));
510 // Is the reason a missing ACL or just wrong user or password?
511 if (class_exists('PagePermission')) {
512 $user =& $this->_user;
513 $status = $user->isAuthenticated() ? _("authenticated") : _("not authenticated");
514 $msg = fmt("%s %s %s is disallowed on this wiki for %s user '%s' (level: %s).",
515 _("Missing PagePermission:"),
516 action2access($this->getArg('action')),
517 $this->getArg('pagename'),
518 $status, $user->getId(), $this->getLevelDescription($user->_level));
519 // TODO: add link to action=setacl
520 $user->PrintLoginForm($this, compact('pass_required'), $msg);
524 $msg = fmt("%s is disallowed on this wiki.",
525 $this->getDisallowedActionDescription($this->getArg('action')));
526 $this->_user->PrintLoginForm($this, compact('require_level','pass_required'), $msg);
531 elseif ($require_level == WIKIAUTH_BOGO)
532 $msg = fmt("You must sign in to %s.", $what);
533 elseif ($require_level == WIKIAUTH_USER) {
534 // LoginForm should display the relevant messages...
536 /*if (!ALLOW_ANON_USER)
537 $msg = fmt("You must log in first to %s", $what);
539 $msg = fmt("You must log in to %s.", $what);
541 } elseif ($require_level == WIKIAUTH_ANON)
542 $msg = fmt("Access for you is forbidden to %s.", $what);
544 $msg = fmt("You must be an administrator to %s.", $what);
546 $this->_user->PrintLoginForm($this, compact('require_level','pass_required'),
548 if (!$GLOBALS['WikiTheme']->DUMP_MODE)
549 $this->finish(); // NORETURN
552 // Fixme: for PagePermissions we'll need other strings,
553 // relevant to the requested page, not just for the action on the whole wiki.
554 function getActionDescription($action) {
555 static $actionDescriptions;
556 if (! $actionDescriptions) {
558 = array('browse' => _("view this page"),
559 'diff' => _("diff this page"),
560 'dumphtml' => _("dump html pages"),
561 'dumpserial' => _("dump serial pages"),
562 'edit' => _("edit this page"),
563 'rename' => _("rename this page"),
564 'revert' => _("revert to a previous version of this page"),
565 'create' => _("create this page"),
566 'loadfile' => _("load files into this wiki"),
567 'lock' => _("lock this page"),
568 'purge' => _("purge this page"),
569 'remove' => _("remove this page"),
570 'unlock' => _("unlock this page"),
571 'upload' => _("upload a zip dump"),
572 'verify' => _("verify the current action"),
573 'viewsource' => _("view the source of this page"),
574 'xmlrpc' => _("access this wiki via XML-RPC"),
575 'soap' => _("access this wiki via SOAP"),
576 'zip' => _("download a zip dump from this wiki"),
577 'ziphtml' => _("download a html zip dump from this wiki")
580 if (in_array($action, array_keys($actionDescriptions)))
581 return $actionDescriptions[$action];
583 return _("use")." ".$action;
587 TODO: check against these cases:
588 if ($DisabledActions and in_array($action, $DisabledActions))
589 return WIKIAUTH_UNOBTAINABLE;
591 if (ENABLE_PAGEPERM and class_exists("PagePermission")) {
592 return requiredAuthorityForPage($action);
594 => Browsing pages is disallowed on this wiki for authenticated user 'rurban' (level: BOGO).
596 function getDisallowedActionDescription($action) {
597 static $disallowedActionDescriptions;
599 if (! $disallowedActionDescriptions) {
600 $disallowedActionDescriptions
601 = array('browse' => _("Browsing pages"),
602 'diff' => _("Diffing pages"),
603 'dumphtml' => _("Dumping html pages"),
604 'dumpserial' => _("Dumping serial pages"),
605 'edit' => _("Editing pages"),
606 'revert' => _("Reverting to a previous version of pages"),
607 'create' => _("Creating pages"),
608 'loadfile' => _("Loading files"),
609 'lock' => _("Locking pages"),
610 'purge' => _("Purging pages"),
611 'remove' => _("Removing pages"),
612 'unlock' => _("Unlocking pages"),
613 'upload' => _("Uploading zip dumps"),
614 'verify' => _("Verify the current action"),
615 'viewsource' => _("Viewing the source of pages"),
616 'xmlrpc' => _("XML-RPC access"),
617 'soap' => _("SOAP access"),
618 'zip' => _("Downloading zip dumps"),
619 'ziphtml' => _("Downloading html zip dumps")
622 if (in_array($action, array_keys($disallowedActionDescriptions)))
623 return $disallowedActionDescriptions[$action];
628 function requiredAuthority ($action) {
629 $auth = $this->requiredAuthorityForAction($action);
630 if (!ALLOW_ANON_USER) return WIKIAUTH_USER;
633 * This is a hook for plugins to require authority
634 * for posting to them.
636 * IMPORTANT: This is not a secure check, so the plugin
637 * may not assume that any POSTs to it are authorized.
638 * All this does is cause PhpWiki to prompt for login
639 * if the user doesn't have the required authority.
641 if ($this->isPost()) {
642 $post_auth = $this->getArg('require_authority_for_post');
643 if ($post_auth !== false)
644 $auth = max($auth, $post_auth);
649 function requiredAuthorityForAction ($action) {
650 global $DisabledActions;
652 if ($DisabledActions and in_array($action, $DisabledActions))
653 return WIKIAUTH_UNOBTAINABLE;
655 if (ENABLE_PAGEPERM and class_exists("PagePermission")) {
656 return requiredAuthorityForPage($action);
669 return WIKIAUTH_ANON;
674 if (INSECURE_ACTIONS_LOCALHOST_ONLY and !is_localhost())
675 return WIKIAUTH_ADMIN;
676 return WIKIAUTH_ANON;
680 return WIKIAUTH_ADMIN;
681 if (INSECURE_ACTIONS_LOCALHOST_ONLY and !is_localhost())
682 return WIKIAUTH_ADMIN;
683 return WIKIAUTH_ANON;
686 if (INSECURE_ACTIONS_LOCALHOST_ONLY and is_localhost())
687 return WIKIAUTH_ANON;
688 return WIKIAUTH_ADMIN;
692 return WIKIAUTH_ADMIN;
693 return WIKIAUTH_ANON;
698 if (defined('REQUIRE_SIGNIN_BEFORE_EDIT') && REQUIRE_SIGNIN_BEFORE_EDIT)
699 return WIKIAUTH_BOGO;
700 return WIKIAUTH_ANON;
701 // return WIKIAUTH_BOGO;
704 $page = $this->getPage();
705 $current = $page->getCurrentRevision();
706 if ($current->hasDefaultContents())
707 return $this->requiredAuthorityForAction('edit');
708 return $this->requiredAuthorityForAction('browse');
719 return WIKIAUTH_ADMIN;
721 /* authcheck occurs only in the plugin.
722 required actionpage RateIt */
725 case 'delete_rating':
726 // Perhaps this should be WIKIAUTH_USER
727 return WIKIAUTH_BOGO;
731 global $WikiNameRegexp;
732 if (preg_match("/$WikiNameRegexp\Z/A", $action))
733 return WIKIAUTH_ANON; // ActionPage.
735 return WIKIAUTH_ADMIN;
739 /* End of Permission system */
741 function possiblyDeflowerVirginWiki () {
742 if ($this->getArg('action') != 'browse')
744 if ($this->getArg('pagename') != HOME_PAGE)
747 $page = $this->getPage();
748 $current = $page->getCurrentRevision();
749 if ($current->getVersion() > 0)
750 return; // Homepage exists.
752 include_once('lib/loadsave.php');
753 $this->setArg('action', 'loadfile');
755 $this->finish(); // NORETURN
758 // [574ms] mainly template:printexpansion: 393ms and template::expandsubtemplate [100+70+60ms]
759 function handleAction () {
760 // Check illegal characters in page names: <>[]{}|"
761 require_once("lib/Template.php");
762 $page = $this->getPage();
763 $pagename = $page->getName();
764 if (preg_match("/[<\[\{\|\"\}\]>]/", $pagename, $matches) > 0) {
765 $CONTENT = HTML::div(
766 array('class' => 'error'),
767 _("Illegal character '"). $matches[0] . _("' in page name."));
768 GeneratePage($CONTENT, $pagename);
771 $action = $this->getArg('action');
773 and !$this->_user->isAdmin()
774 and $action != 'browse'
775 and $action != 'wikitohtml'
778 if ( $page->get('moderation') ) {
779 require_once("lib/WikiPlugin.php");
780 $loader = new WikiPluginLoader();
781 $plugin = $loader->getPlugin("ModeratedPage");
782 if ($plugin->handler($this, $page)) {
785 array('class' => 'wiki-edithelp'),
786 fmt("%s: action forwarded to a moderator.",
789 _("This action requires moderator approval. Please be patient."));
790 if (!empty($plugin->_tokens['CONTENT']))
791 $plugin->_tokens['CONTENT']->pushContent
794 _("You must wait for moderator approval."));
796 $plugin->_tokens['CONTENT'] = $CONTENT;
797 $title = WikiLink($page->getName());
798 $title->pushContent(' : ', WikiLink(_("ModeratedPage")));
799 GeneratePage(Template('browse', $plugin->_tokens),
801 $page->getCurrentRevision());
806 $method = "action_$action";
807 if (method_exists($this, $method)) {
810 elseif ($page = $this->findActionPage($action)) {
811 $this->actionpage($page);
814 $this->finish(fmt("%s: Bad action", $action));
818 function finish ($errormsg = false) {
822 exit(); // just in case CloseDataBase calls us
825 global $ErrorManager;
826 $ErrorManager->flushPostponedErrors();
828 if (!empty($errormsg)) {
831 HTML::h2(_("Fatal PhpWiki Error")),
834 echo "\n</body></html>";
836 if (is_object($this->_user)) {
837 $this->_user->page = $this->getArg('pagename');
838 $this->_user->action = $this->getArg('action');
839 unset($this->_user->_HomePagehandle);
840 unset($this->_user->_auth_dbi);
841 unset($this->_user->_dbi);
842 unset($this->_user->_request);
849 * Generally pagename is rawurlencoded for older browsers or mozilla.
850 * Typing a pagename into the IE bar will utf-8 encode it, so we have to
851 * fix that with fixTitleEncoding().
852 * If USE_PATH_INFO = true, the pagename is stripped from the "/DATA_PATH/PageName&arg=value" line.
853 * If false, we support either "/index.php?pagename=PageName&arg=value",
854 * or the first arg (1.2.x style): "/index.php?PageName&arg=value"
856 function _deducePagename () {
857 if (trim(rawurldecode($this->getArg('pagename'))))
858 return fixTitleEncoding(rawurldecode($this->getArg('pagename')));
861 $pathinfo = $this->get('PATH_INFO');
862 if (empty($pathinfo)) { // fix for CGI
863 $path = $this->get('REQUEST_URI');
864 $script = $this->get('SCRIPT_NAME');
865 $pathinfo = substr($path,strlen($script));
866 $pathinfo = preg_replace('/\?.+$/','',$pathinfo);
868 $tail = substr($pathinfo, strlen(PATH_INFO_PREFIX));
870 if (trim($tail) != '' and $pathinfo == PATH_INFO_PREFIX . $tail) {
871 return fixTitleEncoding($tail);
874 elseif ($this->isPost()) {
876 * In general, for security reasons, HTTP_GET_VARS should be ignored
877 * on POST requests, but we make an exception here (only for pagename).
879 * The justification for this hack is the following
880 * asymmetry: When POSTing with USE_PATH_INFO set, the
881 * pagename can (and should) be communicated through the
882 * request URL via PATH_INFO. When POSTing with
883 * USE_PATH_INFO off, this cannot be done --- the only way
884 * to communicate the pagename through the URL is via
885 * QUERY_ARGS (HTTP_GET_VARS).
887 global $HTTP_GET_VARS;
888 if (isset($HTTP_GET_VARS['pagename']) and trim($HTTP_GET_VARS['pagename'])) {
889 return fixTitleEncoding(rawurldecode($HTTP_GET_VARS['pagename']));
894 * Support for PhpWiki 1.2 style requests.
895 * Strip off "&" args (?PageName&action=...&start_debug,...)
897 $query_string = $this->get('QUERY_STRING');
898 if (trim(rawurldecode($query_string)) and preg_match('/^([^&=]+)(&.+)?$/', $query_string, $m)) {
899 return fixTitleEncoding(rawurldecode($m[1]));
902 return fixTitleEncoding(HOME_PAGE);
905 function _deduceAction () {
906 if (!($action = $this->getArg('action'))) {
907 // TODO: improve this SOAP.php hack by letting SOAP use index.php
908 // or any other virtual url as with xmlrpc
909 if (defined('WIKI_SOAP') and WIKI_SOAP)
911 // Detect XML-RPC requests.
913 && ((defined("WIKI_XMLRPC") and WIKI_XMLRPC)
914 or ($this->get('CONTENT_TYPE') == 'text/xml'
915 or $this->get('CONTENT_TYPE') == 'application/xml')
916 && strstr($GLOBALS['HTTP_RAW_POST_DATA'], '<methodCall>'))
921 return 'browse'; // Default if no action specified.
924 if (method_exists($this, "action_$action"))
927 // Allow for, e.g. action=LikePages
928 if (isActionPage($action))
931 // Handle untranslated actionpages in non-english
932 // (people playing with switching languages)
933 if (0 and $GLOBALS['LANG'] != 'en') {
934 require_once("lib/plugin/_WikiTranslation.php");
935 $trans = new WikiPlugin__WikiTranslation();
936 $en_action = $trans->translate($action,'en',$GLOBALS['LANG']);
937 if (isActionPage($en_action))
941 trigger_error("$action: Unknown action", E_USER_NOTICE);
945 function _deduceUsername() {
946 global $HTTP_SERVER_VARS, $HTTP_ENV_VARS;
948 if (!empty($this->args['auth']) and !empty($this->args['auth']['userid']))
949 return $this->args['auth']['userid'];
951 if ($user = $this->getSessionVar('wiki_user')) {
952 // Switched auth between sessions.
953 // Note: There's no way to demandload a missing class-definition
954 // afterwards! Stupid php.
955 if (isa($user, WikiUserClassname())) {
956 $this->_user = $user;
957 $this->_user->_authhow = 'session';
958 return ENABLE_USER_NEW ? $user->UserName() : $this->_user;
962 // Sessions override http auth
963 if (!empty($HTTP_SERVER_VARS['PHP_AUTH_USER']))
964 return $HTTP_SERVER_VARS['PHP_AUTH_USER'];
966 if (!empty($HTTP_SERVER_VARS['REMOTE_USER']))
967 return $HTTP_SERVER_VARS['REMOTE_USER'];
968 if (!empty($HTTP_ENV_VARS['REMOTE_USER']))
969 return $HTTP_ENV_VARS['REMOTE_USER'];
971 if ($userid = $this->getCookieVar(getCookieName())) {
972 if (!empty($userid) and substr($userid,0,2) != 's:') {
973 $this->_user->authhow = 'cookie';
978 if ($this->getArg('action') == 'xmlrpc') { // how about SOAP?
979 if (empty($GLOBALS['HTTP_RAW_POST_DATA']))
980 trigger_error("Wrong always_populate_raw_post_data = Off setting in your php.ini\nCannot use xmlrpc!", E_USER_ERROR);
981 // wiki.putPage has special otional userid/passwd arguments. check that later.
983 if (isset($HTTP_SERVER_VARS['REMOTE_USER']))
984 $userid = $HTTP_SERVER_VARS['REMOTE_USER'];
985 elseif (isset($HTTP_SERVER_VARS['REMOTE_ADDR']))
986 $userid = $HTTP_SERVER_VARS['REMOTE_ADDR'];
987 elseif (isset($HTTP_ENV_VARS['REMOTE_ADDR']))
988 $userid = $HTTP_ENV_VARS['REMOTE_ADDR'];
989 elseif (isset($GLOBALS['REMOTE_ADDR']))
990 $userid = $GLOBALS['REMOTE_ADDR'];
997 function findActionPage ($action) {
999 if (!$action) return false;
1001 // check for translated version, as per users preferred language
1002 // (or system default in case it is not en)
1003 $translation = gettext($action);
1005 if (isset($cache) and isset($cache[$translation]))
1006 return $cache[$translation];
1008 // check for cached translated version
1009 if ($translation and isActionPage($translation))
1010 return $cache[$action] = $translation;
1012 // Allow for, e.g. action=LikePages
1013 if (!isWikiWord($action))
1014 return $cache[$action] = false;
1016 // check for translated version (default language)
1018 if ($LANG != "en") {
1019 require_once("lib/WikiPlugin.php");
1020 require_once("lib/plugin/_WikiTranslation.php");
1021 $trans = new WikiPlugin__WikiTranslation();
1022 $trans->lang = $LANG;
1023 $default = $trans->translate_to_en($action, $LANG);
1024 if ($default and isActionPage($default))
1025 return $cache[$action] = $default;
1027 $default = $translation;
1030 // check for english version
1031 if ($action != $translation and $action != $default) {
1032 if (isActionPage($action))
1033 return $cache[$action] = $action;
1036 trigger_error("$action: Cannot find action page", E_USER_NOTICE);
1037 return $cache[$action] = false;
1040 function action_browse () {
1041 $this->buffer_output();
1042 include_once("lib/display.php");
1046 function action_verify () {
1047 $this->action_browse();
1050 function actionpage ($action) {
1051 $this->buffer_output();
1052 include_once("lib/display.php");
1053 actionPage($this, $action);
1056 function adminActionSubpage ($subpage) {
1057 $page = _("PhpWikiAdministration")."/".$subpage;
1058 $action = $this->findActionPage($page);
1060 if (!$this->getArg('s'))
1061 $this->setArg('s', $this->getArg('pagename'));
1062 $this->setArg('verify', 1); // only for POST
1063 if ($this->getArg('action') != 'rename')
1064 $this->setArg('action', $action);
1065 elseif($this->getArg('to') && empty($this->args['admin_rename'])) {
1066 $this->args['admin_rename']
1067 = array('from' => $this->getArg('s'),
1068 'to' => $this->getArg('to'),
1069 'action' => 'select');
1071 $this->actionpage($action);
1073 trigger_error($page.": Cannot find action page", E_USER_WARNING);
1077 function action_chown () {
1078 $this->adminActionSubpage(_("Chown"));
1081 function action_setacl () {
1082 $this->adminActionSubpage(_("SetAcl"));
1085 function action_rename () {
1086 $this->adminActionSubpage(_("Rename"));
1089 function action_dump () {
1090 $action = $this->findActionPage(_("PageDump"));
1092 $this->actionpage($action);
1094 // redirect to action=upgrade if admin?
1095 trigger_error(_("PageDump").": Cannot find action page", E_USER_WARNING);
1099 function action_diff () {
1100 $this->buffer_output();
1101 include_once "lib/diff.php";
1105 function action_search () {
1106 // Decide between title or fulltextsearch (e.g. both buttons available).
1107 // Reformulate URL and redirect.
1108 $searchtype = $this->getArg('searchtype');
1109 $args = array('s' => $this->getArg('searchterm')
1110 ? $this->getArg('searchterm')
1111 : $this->getArg('s'));
1112 if ($searchtype == 'full' or $searchtype == 'fulltext') {
1113 $search_page = _("FullTextSearch");
1115 elseif ($searchtype == 'external') {
1117 $link = new WikiPageName("Search:$s"); // Expand interwiki url. I use xapian-omega
1118 $this->redirect($link->url);
1121 $search_page = _("TitleSearch");
1122 $args['auto_redirect'] = 1;
1124 $this->redirect(WikiURL($search_page, $args, 'absolute_url'));
1127 function action_edit () {
1128 $this->buffer_output();
1129 include "lib/editpage.php";
1130 $e = new PageEditor ($this);
1134 function action_create () {
1135 $this->action_edit();
1138 function action_viewsource () {
1139 $this->buffer_output();
1140 include "lib/editpage.php";
1141 $e = new PageEditor ($this);
1145 function action_lock () {
1146 $page = $this->getPage();
1147 $page->set('locked', true);
1148 $this->_dbi->touch();
1149 // check ModeratedPage hook
1150 if ($moderated = $page->get('moderation')) {
1151 require_once("lib/WikiPlugin.php");
1152 $plugin = WikiPluginLoader::getPlugin("ModeratedPage");
1153 if ($retval = $plugin->lock_check($this, $page, $moderated))
1154 $this->setArg('errormsg', $retval);
1156 // check if a link to ModeratedPage exists
1157 elseif ($action_page = $page->existLink(_("ModeratedPage"))) {
1158 require_once("lib/WikiPlugin.php");
1159 $plugin = WikiPluginLoader::getPlugin("ModeratedPage");
1160 if ($retval = $plugin->lock_add($this, $page, $action_page))
1161 $this->setArg('errormsg', $retval);
1163 $this->action_browse();
1166 function action_unlock () {
1167 $page = $this->getPage();
1168 $page->set('locked', false);
1169 $this->_dbi->touch();
1170 $this->action_browse();
1173 function action_purge () {
1174 $pagename = $this->getArg('pagename');
1175 if (strstr($pagename, _("PhpWikiAdministration"))) {
1176 $this->action_browse();
1178 include('lib/purgepage.php');
1183 function action_remove () {
1184 // This check is now redundant.
1185 //$user->requireAuth(WIKIAUTH_ADMIN);
1186 $pagename = $this->getArg('pagename');
1187 if (strstr($pagename, _("PhpWikiAdministration"))) {
1188 $this->action_browse();
1190 include('lib/removepage.php');
1195 function action_xmlrpc () {
1196 include_once("lib/XmlRpcServer.php");
1197 $xmlrpc = new XmlRpcServer($this);
1201 function action_soap () {
1202 if (defined("WIKI_SOAP") and WIKI_SOAP) // already loaded
1205 allow VIRTUAL_PATH or action=soap SOAP access
1207 include_once("SOAP.php");
1210 function action_revert () {
1211 include_once "lib/loadsave.php";
1215 function action_zip () {
1216 include_once("lib/loadsave.php");
1220 function action_ziphtml () {
1221 include_once("lib/loadsave.php");
1222 MakeWikiZipHtml($this);
1223 // I don't think it hurts to add cruft at the end of the zip file.
1224 echo "\n========================================================\n";
1225 echo "PhpWiki " . PHPWIKI_VERSION . "\n";
1228 function action_dumpserial () {
1229 include_once("lib/loadsave.php");
1233 function action_dumphtml () {
1234 include_once("lib/loadsave.php");
1235 DumpHtmlToDir($this);
1238 function action_upload () {
1239 include_once("lib/loadsave.php");
1240 LoadPostFile($this);
1243 function action_upgrade () {
1244 include_once("lib/loadsave.php");
1245 include_once("lib/upgrade.php");
1249 function action_loadfile () {
1250 include_once("lib/loadsave.php");
1251 LoadFileOrDir($this);
1254 function action_pdf () {
1255 include_once("lib/pdf.php");
1256 ConvertAndDisplayPdf($this);
1259 function action_captcha () {
1260 include_once "lib/Captcha.php";
1261 $captcha = new Captcha();
1262 $captcha->image ( $captcha->captchaword() );
1265 function action_wikitohtml () {
1266 include_once("lib/WysiwygEdit/Wikiwyg.php");
1267 $wikitohtml = new WikiToHtml( $this->getArg("content") , $this);
1268 $wikitohtml->send();
1271 function action_setpref () {
1272 $what = $this->getArg('pref');
1273 $value = $this->getArg('value');
1274 $prefs =& $this->_user->_prefs;
1275 $prefs->set($what, $value);
1276 $num = $this->_user->setPreferences($prefs);
1280 //FIXME: deprecated with ENABLE_PAGEPERM (?)
1281 function is_safe_action ($action) {
1283 return $request->requiredAuthorityForAction($action) < WIKIAUTH_ADMIN;
1286 function validateSessionPath() {
1287 // Try to defer any session.save_path PHP errors before any html
1288 // is output, which causes some versions of IE to display a blank
1289 // page (due to its strict mode while parsing a page?).
1290 if (! is_writeable(ini_get('session.save_path'))) {
1291 $tmpdir = (defined('SESSION_SAVE_PATH') and SESSION_SAVE_PATH) ? SESSION_SAVE_PATH : '/tmp';
1292 if (!is_writeable($tmpdir))
1295 (sprintf(_("%s is not writable."),
1296 _("The session.save_path directory"))
1298 . sprintf(_("Please ensure that %s is writable, or redefine %s in config/config.ini."),
1299 sprintf(_("the session.save_path directory '%s'"),
1300 ini_get('session.save_path')),
1301 'SESSION_SAVE_PATH')
1303 . sprintf(_("Attempting to use the directory '%s' instead."),
1306 if (! is_writeable($tmpdir)) {
1308 (sprintf(_("%s is not writable."), $tmpdir)
1310 . _("Users will not be able to sign in.")
1314 @ini_set('session.save_path', $tmpdir);
1319 if ( !USE_DB_SESSION )
1320 validateSessionPath();
1323 if ((DEBUG & _DEBUG_APD) and extension_loaded("apd")) {
1324 //apd_set_session_trace(9);
1325 apd_set_pprof_trace();
1328 // Postpone warnings
1329 global $ErrorManager;
1330 if (defined('E_STRICT')) // and (E_ALL & E_STRICT)) // strict php5?
1331 $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE|E_USER_WARNING|E_WARNING|E_STRICT|((check_php_version(5,3)) ? E_DEPRECATED : 0));
1333 $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE|E_USER_WARNING|E_WARNING);
1334 $request = new WikiRequest();
1336 $action = $request->getArg('action');
1337 if (substr($action, 0, 3) != 'zip') {
1338 if ($action == 'pdf')
1339 $ErrorManager->setPostponedErrorMask(-1); // everything
1340 //else // reject postponing of warnings
1341 // $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE);
1345 * Allow for disabling of markup cache.
1346 * (Mostly for debugging ... hopefully.)
1348 * See also <<WikiAdminUtils action=purge-cache>>
1350 if (!defined('WIKIDB_NOCACHE_MARKUP')) {
1351 if ($request->getArg('nocache')) // 1 or purge
1352 define('WIKIDB_NOCACHE_MARKUP', $request->getArg('nocache'));
1354 define('WIKIDB_NOCACHE_MARKUP', false); // redundant, but explicit
1357 // Initialize with system defaults in case user not logged in.
1358 // Should this go into the constructor?
1359 $request->initializeTheme('default');
1360 $request->updateAuthAndPrefs();
1361 $request->initializeLang();
1364 //if ($user->is_authenticated())
1365 // $LogEntry->user = $user->getId();
1367 // Memory optimization:
1368 // http://www.procata.com/blog/archives/2004/05/27/rephlux-and-php-memory-usage/
1369 // kill the global PEAR _PEAR_destructor_object_list
1370 if (!empty($_PEAR_destructor_object_list))
1371 $_PEAR_destructor_object_list = array();
1372 $request->possiblyDeflowerVirginWiki();
1374 $validators = array('wikiname' => WIKI_NAME,
1375 'args' => wikihash($request->getArgs()),
1376 'prefs' => wikihash($request->getPrefs()));
1377 if (CACHE_CONTROL == 'STRICT') {
1378 $dbi = $request->getDbh();
1379 $timestamp = $dbi->getTimestamp();
1380 $validators['mtime'] = $timestamp;
1381 $validators['%mtime'] = (int)$timestamp;
1383 // FIXME: we should try to generate strong validators when possible,
1384 // but for now, our validator is weak, since equal validators do not
1385 // indicate byte-level equality of content. (Due to DEBUG timing output, etc...)
1387 // (If DEBUG if off, this may be a strong validator, but I'm going
1388 // to go the paranoid route here pending further study and testing.)
1389 // access hits and edit stats in the footer violate strong ETags also.
1391 $validators['%weak'] = true;
1393 $request->setValidators($validators);
1395 $request->handleAction();
1397 if (DEBUG and DEBUG & _DEBUG_INFO) phpinfo(INFO_VARIABLES | INFO_MODULES);
1401 //$x = error_reporting(); // DEBUG: why is it 1 here? should be E_ALL
1402 if (defined('E_STRICT') and (E_ALL & E_STRICT)) // strict php5?
1403 error_reporting(E_ALL & ~E_STRICT); // exclude E_STRICT
1405 error_reporting(E_ALL); // php4
1406 // don't run the main loop for special requests (test, getimg, xmlrpc, soap, ...)
1407 if (!defined('PHPWIKI_NOMAIN') or !PHPWIKI_NOMAIN)
1413 // c-basic-offset: 4
1414 // c-hanging-comment-ender-p: nil
1415 // indent-tabs-mode: nil