4 Copyright 1999-2008 $ThePhpWikiProgrammingTeam
6 This file is part of PhpWiki.
8 PhpWiki is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 PhpWiki is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with PhpWiki; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 define ('USE_PREFS_IN_PAGE', true);
25 //include "lib/config.php";
26 require_once(dirname(__FILE__)."/stdlib.php");
27 require_once('lib/Request.php');
28 require_once('lib/WikiDB.php');
30 require_once("lib/WikiUserNew.php");
32 require_once("lib/WikiUser.php");
33 require_once("lib/WikiGroup.php");
35 require_once("lib/PagePerm.php");
38 * Check permission per page.
39 * Returns true or false.
41 function mayAccessPage ($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 = $this->_user->getPreferences();
150 function initializeLang () {
151 // check non-default pref lang
152 if (empty($this->_prefs->_prefs['lang']))
154 $_lang = $this->_prefs->_prefs['lang'];
155 if (isset($_lang->lang) and $_lang->lang != $GLOBALS['LANG']) {
156 $user_lang = $_lang->lang;
157 //check changed LANG and THEME inside a session.
158 // (e.g. by using another baseurl)
159 if (isset($this->_user->_authhow) and $this->_user->_authhow == 'session')
160 $user_lang = $GLOBALS['LANG'];
161 update_locale($user_lang);
162 FindLocalizedButtonFile(".",'missing_ok','reinit');
164 //if (empty($_lang->lang) and $GLOBALS['LANG'] != $_lang->default_value) ;
167 function initializeTheme ($when = 'default') {
169 // if when = 'default', then first time init (default theme, ...)
170 // if when = 'login', then check some callbacks
171 // and maybe the theme changed (other theme defined in pref)
172 // if when = 'logout', then check other callbacks
173 // and maybe the theme changed (back to default theme)
175 // Load non-default theme (when = login)
176 if (!empty($this->_prefs->_prefs['theme'])) {
177 $_theme = $this->_prefs->_prefs['theme'];
178 if (isset($_theme) and isset($_theme->theme))
179 $user_theme = $_theme->theme;
180 elseif (isset($_theme) and isset($_theme->default_value))
181 $user_theme = $_theme->default_value;
186 $user_theme = $this->getPref('theme');
188 //check changed LANG and THEME inside a session.
189 // (e.g. by using another baseurl)
190 if (isset($this->_user->_authhow)
191 and $this->_user->_authhow == 'session'
192 and !isset($_theme->theme)
194 and $user_theme != THEME)
196 include_once("themes/" . THEME . "/themeinfo.php");
198 if (empty($WikiTheme) and $user_theme) {
199 if (strcspn($user_theme,"./\x00]") != strlen($user_theme)) {
200 trigger_error(sprintf("invalid theme '%s': Invalid characters detected", $user_theme),
202 $user_theme = "default";
204 if (!$user_theme) $user_theme = "default";
205 include_once("themes/$user_theme/themeinfo.php");
207 if (empty($WikiTheme) and defined('THEME'))
208 include_once("themes/" . THEME . "/themeinfo.php");
209 if (empty($WikiTheme))
210 include_once("themes/default/themeinfo.php");
211 assert(!empty($WikiTheme));
213 // Do not execute global init code anymore
215 // WikiTheme callbacks
216 if ($when == 'login') {
217 $WikiTheme->CbUserLogin($this, $this->_user->_userid);
218 if (!$this->_user->hasHomePage()) { // NewUser
219 $WikiTheme->CbNewUserLogin($this, $this->_user->_userid);
220 if (in_array($this->getArg('action'), array('edit','create')))
221 $WikiTheme->CbNewUserEdit($this, $this->_user->_userid);
224 elseif ($when == 'logout') {
225 $WikiTheme->CbUserLogout($this, $this->_user->_userid);
227 elseif ($when == 'default') {
229 if ($this->_user->_level > 0 and !$this->_user->hasHomePage()) { // NewUser
230 if (in_array($this->getArg('action'), array('edit','create')))
231 $WikiTheme->CbNewUserEdit($this, $this->_user->_userid);
236 // This really maybe should be part of the constructor, but since it
237 // may involve HTML/template output, the global $request really needs
238 // to be initialized before we do this stuff.
239 // [50ms]: 36ms if wikidb_page::exists
240 function updateAuthAndPrefs () {
242 if (isset($this->_user) and (!isa($this->_user, WikiUserClassname()))) {
243 $this->_user = false;
245 // Handle authentication request, if any.
246 if ($auth_args = $this->getArg('auth')) {
247 $this->setArg('auth', false);
248 $this->_handleAuthRequest($auth_args); // possible NORETURN
250 elseif ( ! $this->_user
251 or (isa($this->_user, WikiUserClassname())
252 and ! $this->_user->isSignedIn())) {
253 // If not auth request, try to sign in as saved user.
254 if (($saved_user = $this->getPref('userid')) != false) {
255 $this->_signIn($saved_user);
259 $action = $this->getArg('action');
261 // Save preferences in session and cookie
262 if ((defined('WIKI_XMLRPC') and !WIKI_XMLRPC) or $action != 'xmlrpc') {
263 if (isset($this->_user) and $this->_user->_userid) {
264 if (!isset($this->_user->_authhow) or $this->_user->_authhow != 'session') {
265 $this->_user->setPreferences($this->_prefs, true);
268 $tmpuser = $this->_user; // clone it
269 $this->setSessionVar('wiki_user', $tmpuser);
273 // Ensure user has permissions for action
274 // HACK ALERT: We may not set the request arg to create,
275 // since the pageeditor has an ugly logic for action == create.
276 if ($action == 'edit' or $action == 'create') {
277 $page = $this->getPage();
278 if (! $page->exists() )
283 if (! ENABLE_PAGEPERM) { // Bug #1438392 by Matt Brown
284 $require_level = $this->requiredAuthority($action);
285 if (! $this->_user->hasAuthority($require_level))
286 $this->_notAuthorized($require_level); // NORETURN
288 // novatrope patch to let only _AUTHENTICATED view pages.
289 // If there's not enough authority or forbidden, ask for a password,
290 // unless it's explicitly unobtainable. Some bad magic though.
291 if ($this->requiredAuthorityForAction($action) == WIKIAUTH_UNOBTAINABLE) {
292 $require_level = $this->requiredAuthority($action);
293 $this->_notAuthorized($require_level); // NORETURN
298 function & getUser () {
299 if (isset($this->_user))
302 return $GLOBALS['ForbiddenUser'];
305 function & getGroup () {
306 if (isset($this->_user) and isset($this->_user->_group))
307 return $this->_user->_group;
309 // Debug Strict: Only variable references should be returned by reference
310 $this->_user->_group = WikiGroup::getGroup();
311 return $this->_user->_group;
315 function & getPrefs () {
316 return $this->_prefs;
319 // Convenience function:
320 function getPref ($key) {
321 if (isset($this->_prefs)) {
322 return $this->_prefs->get($key);
325 function & getDbh () {
330 * Get requested page from the page database.
331 * By default it will grab the page requested via the URL
333 * This is a convenience function.
334 * @param string $pagename Name of page to get.
335 * @return WikiDB_Page Object with methods to pull data from
336 * database for the page requested.
338 function getPage ($pagename = false) {
339 //if (!isset($this->_dbi)) $this->getDbh();
341 $pagename = $this->getArg('pagename');
342 return $this->_dbi->getPage($pagename);
345 /** Get URL for POST actions.
347 * Officially, we should just use SCRIPT_NAME (or some such),
348 * but that causes problems when we try to issue a redirect, e.g.
349 * after saving a page.
351 * Some browsers (at least NS4 and Mozilla 0.97 won't accept
352 * a redirect from a page to itself.)
354 * So, as a HACK, we include pagename and action as query args in
355 * the URL. (These should be ignored when we receive the POST
358 function getPostURL ($pagename = false) {
359 global $HTTP_GET_VARS;
361 if ($pagename === false)
362 $pagename = $this->getArg('pagename');
363 $action = $this->getArg('action');
364 if (!empty($HTTP_GET_VARS['start_debug'])) // zend ide support
365 return WikiURL($pagename, array('action' => $action, 'start_debug' => 1));
366 elseif ($action == 'edit')
367 return WikiURL($pagename);
369 return WikiURL($pagename, array('action' => $action));
372 function _handleAuthRequest ($auth_args) {
373 if (!is_array($auth_args))
376 // Ignore password unless POST'ed.
377 if (!$this->isPost())
378 unset($auth_args['passwd']);
380 $olduser = $this->_user;
381 $user = $this->_user->AuthCheck($auth_args);
382 if (is_string($user)) {
383 // Login attempt failed.
384 $fail_message = $user;
385 $auth_args['pass_required'] = true;
386 // if clicked just on to the "sign in as:" button dont print invalid username.
387 if (!empty($auth_args['login']) and empty($auth_args['userid']))
389 // If no password was submitted, it's not really
390 // a failure --- just need to prompt for password...
391 if (!ALLOW_USER_PASSWORDS
393 and !isset($auth_args['passwd']))
395 $fail_message = false;
397 $olduser->PrintLoginForm($this, $auth_args, $fail_message, 'newpage');
398 $this->finish(); //NORETURN
400 elseif (isa($user, WikiUserClassname())) {
401 // Successful login (or logout.)
402 $this->_setUser($user);
405 // Login request cancelled.
410 * Attempt to sign in (bogo-login).
414 * @param $userid string Userid to attempt to sign in as.
417 function _signIn ($userid) {
418 if (ENABLE_USER_NEW) {
420 $this->_user = new _BogoUser($userid);
421 // FIXME: is this always false? shouldn't we try passuser first?
423 $this->_user = new _PassUser($userid);
426 $this->_user = new WikiUser($this, $userid);
428 $user = $this->_user->AuthCheck(array('userid' => $userid));
429 if (isa($user, WikiUserClassname())) {
430 $this->_setUser($user); // success!
434 // login or logout or restore state
435 function _setUser (&$user) {
436 $this->_user =& $user;
437 if (defined('MAIN_setUser')) return; // don't set cookies twice
438 $this->setCookieVar(getCookieName(), $user->getAuthenticatedId(),
439 COOKIE_EXPIRATION_DAYS, COOKIE_DOMAIN);
440 $isSignedIn = $user->isSignedIn();
442 $user->_authhow = 'signin';
445 // Save userid to prefs..
446 if ( empty($this->_user->_prefs)) {
447 $this->_user->_prefs = $this->_user->getPreferences();
448 $this->_prefs =& $this->_user->_prefs;
450 $this->_user->_group = $this->getGroup();
451 $this->setSessionVar('wiki_user', $user);
452 $this->_prefs->set('userid',
453 $isSignedIn ? $user->getId() : '');
454 if (!ENABLE_USER_NEW) {
455 if (empty($this->_user->_request))
456 $this->_user->_request =& $this;
457 if (empty($this->_user->_dbi))
458 $this->_user->_dbi =& $this->_dbi;
460 $this->initializeTheme($isSignedIn ? 'login' : 'logout');
461 define('MAIN_setUser', true);
464 /* Permission system */
465 function getLevelDescription($level) {
466 static $levels = false;
467 if (!$levels) // This looks like a Visual Basic hack. For the very same reason. "0"
468 $levels = array('x-1' => _("FORBIDDEN"),
473 'x100'=> _("UNOBTAINABLE"));
476 if (!empty($levels["x".$level]))
477 return $levels["x".$level];
482 function _notAuthorized ($require_level) {
483 // Display the authority message in the Wiki's default
484 // language, in case it is not english.
486 // Note that normally a user will not see such an error once
487 // logged in, unless the admin has altered the default
488 // disallowed wikiactions. In that case we should probably
489 // check the user's language prefs too at this point; this
490 // would be a situation which is not really handled with the
492 if (empty($GLOBALS['LANG']))
493 update_locale(DEFAULT_LANGUAGE);
495 // User does not have required authority. Prompt for login.
496 $what = $this->getActionDescription($this->getArg('action'));
497 $pass_required = ($require_level >= WIKIAUTH_USER);
498 if ($require_level == WIKIAUTH_UNOBTAINABLE) {
499 global $DisabledActions;
500 if ($DisabledActions and in_array($action, $DisabledActions)) {
501 $msg = fmt("%s is disallowed on this wiki.",
502 $this->getDisallowedActionDescription($this->getArg('action')));
506 // Is the reason a missing ACL or just wrong user or password?
507 if (class_exists('PagePermission')) {
508 $user =& $this->_user;
509 $status = $user->isAuthenticated() ? _("authenticated") : _("not authenticated");
510 $msg = fmt("%s %s %s is disallowed on this wiki for %s user '%s' (level: %s).",
511 _("Missing PagePermission:"),
512 action2access($this->getArg('action')),
513 $this->getArg('pagename'),
514 $status, $user->getId(), $this->getLevelDescription($user->_level));
515 // TODO: add link to action=setacl
516 $user->PrintLoginForm($this, compact('pass_required'), $msg);
520 $msg = fmt("%s is disallowed on this wiki.",
521 $this->getDisallowedActionDescription($this->getArg('action')));
522 $this->_user->PrintLoginForm($this, compact('require_level','pass_required'), $msg);
527 elseif ($require_level == WIKIAUTH_BOGO)
528 $msg = fmt("You must sign in to %s.", $what);
529 elseif ($require_level == WIKIAUTH_USER) {
530 // LoginForm should display the relevant messages...
532 /*if (!ALLOW_ANON_USER)
533 $msg = fmt("You must log in first to %s", $what);
535 $msg = fmt("You must log in to %s.", $what);
537 } elseif ($require_level == WIKIAUTH_ANON)
538 $msg = fmt("Access for you is forbidden to %s.", $what);
540 $msg = fmt("You must be an administrator to %s.", $what);
542 $this->_user->PrintLoginForm($this, compact('require_level','pass_required'),
544 if (!$GLOBALS['WikiTheme']->DUMP_MODE)
545 $this->finish(); // NORETURN
548 // Fixme: for PagePermissions we'll need other strings,
549 // relevant to the requested page, not just for the action on the whole wiki.
550 function getActionDescription($action) {
551 static $actionDescriptions;
552 if (! $actionDescriptions) {
554 = array('browse' => _("view this page"),
555 'diff' => _("diff this page"),
556 'dumphtml' => _("dump html pages"),
557 'dumpserial' => _("dump serial pages"),
558 'edit' => _("edit this page"),
559 'rename' => _("rename this page"),
560 'revert' => _("revert to a previous version of this page"),
561 'create' => _("create this page"),
562 'loadfile' => _("load files into this wiki"),
563 'lock' => _("lock this page"),
564 'purge' => _("purge this page"),
565 'remove' => _("remove this page"),
566 'unlock' => _("unlock this page"),
567 'upload' => _("upload a zip dump"),
568 'verify' => _("verify the current action"),
569 'viewsource' => _("view the source of this page"),
570 'xmlrpc' => _("access this wiki via XML-RPC"),
571 'soap' => _("access this wiki via SOAP"),
572 'zip' => _("download a zip dump from this wiki"),
573 'ziphtml' => _("download a html zip dump from this wiki")
576 if (in_array($action, array_keys($actionDescriptions)))
577 return $actionDescriptions[$action];
579 return _("use")." ".$action;
583 TODO: check against these cases:
584 if ($DisabledActions and in_array($action, $DisabledActions))
585 return WIKIAUTH_UNOBTAINABLE;
587 if (ENABLE_PAGEPERM and class_exists("PagePermission")) {
588 return requiredAuthorityForPage($action);
590 => Browsing pages is disallowed on this wiki for authenticated user 'rurban' (level: BOGO).
592 function getDisallowedActionDescription($action) {
593 static $disallowedActionDescriptions;
595 if (! $disallowedActionDescriptions) {
596 $disallowedActionDescriptions
597 = array('browse' => _("Browsing pages"),
598 'diff' => _("Diffing pages"),
599 'dumphtml' => _("Dumping html pages"),
600 'dumpserial' => _("Dumping serial pages"),
601 'edit' => _("Editing pages"),
602 'revert' => _("Reverting to a previous version of pages"),
603 'create' => _("Creating pages"),
604 'loadfile' => _("Loading files"),
605 'lock' => _("Locking pages"),
606 'purge' => _("Purging pages"),
607 'remove' => _("Removing pages"),
608 'unlock' => _("Unlocking pages"),
609 'upload' => _("Uploading zip dumps"),
610 'verify' => _("Verify the current action"),
611 'viewsource' => _("Viewing the source of pages"),
612 'xmlrpc' => _("XML-RPC access"),
613 'soap' => _("SOAP access"),
614 'zip' => _("Downloading zip dumps"),
615 'ziphtml' => _("Downloading html zip dumps")
618 if (in_array($action, array_keys($disallowedActionDescriptions)))
619 return $disallowedActionDescriptions[$action];
624 function requiredAuthority ($action) {
625 $auth = $this->requiredAuthorityForAction($action);
626 if (!ALLOW_ANON_USER) return WIKIAUTH_USER;
629 * This is a hook for plugins to require authority
630 * for posting to them.
632 * IMPORTANT: This is not a secure check, so the plugin
633 * may not assume that any POSTs to it are authorized.
634 * All this does is cause PhpWiki to prompt for login
635 * if the user doesn't have the required authority.
637 if ($this->isPost()) {
638 $post_auth = $this->getArg('require_authority_for_post');
639 if ($post_auth !== false)
640 $auth = max($auth, $post_auth);
645 function requiredAuthorityForAction ($action) {
646 global $DisabledActions;
648 if ($DisabledActions and in_array($action, $DisabledActions))
649 return WIKIAUTH_UNOBTAINABLE;
651 if (ENABLE_PAGEPERM and class_exists("PagePermission")) {
652 return requiredAuthorityForPage($action);
665 return WIKIAUTH_ANON;
670 if (INSECURE_ACTIONS_LOCALHOST_ONLY and !is_localhost())
671 return WIKIAUTH_ADMIN;
672 return WIKIAUTH_ANON;
676 return WIKIAUTH_ADMIN;
677 if (INSECURE_ACTIONS_LOCALHOST_ONLY and !is_localhost())
678 return WIKIAUTH_ADMIN;
679 return WIKIAUTH_ANON;
682 if (INSECURE_ACTIONS_LOCALHOST_ONLY and is_localhost())
683 return WIKIAUTH_ANON;
684 return WIKIAUTH_ADMIN;
688 return WIKIAUTH_ADMIN;
689 return WIKIAUTH_ANON;
694 if (defined('REQUIRE_SIGNIN_BEFORE_EDIT') && REQUIRE_SIGNIN_BEFORE_EDIT)
695 return WIKIAUTH_BOGO;
696 return WIKIAUTH_ANON;
697 // return WIKIAUTH_BOGO;
700 $page = $this->getPage();
701 $current = $page->getCurrentRevision();
702 if ($current->hasDefaultContents())
703 return $this->requiredAuthorityForAction('edit');
704 return $this->requiredAuthorityForAction('browse');
715 return WIKIAUTH_ADMIN;
717 /* authcheck occurs only in the plugin.
718 required actionpage RateIt */
721 case 'delete_rating':
722 // Perhaps this should be WIKIAUTH_USER
723 return WIKIAUTH_BOGO;
727 global $WikiNameRegexp;
728 if (preg_match("/$WikiNameRegexp\Z/A", $action))
729 return WIKIAUTH_ANON; // ActionPage.
731 return WIKIAUTH_ADMIN;
735 /* End of Permission system */
737 function possiblyDeflowerVirginWiki () {
738 if ($this->getArg('action') != 'browse')
740 if ($this->getArg('pagename') != HOME_PAGE)
743 $page = $this->getPage();
744 $current = $page->getCurrentRevision();
745 if ($current->getVersion() > 0)
746 return; // Homepage exists.
748 include_once('lib/loadsave.php');
749 $this->setArg('action', 'loadfile');
751 $this->finish(); // NORETURN
754 // [574ms] mainly template:printexpansion: 393ms and template::expandsubtemplate [100+70+60ms]
755 function handleAction () {
756 $action = $this->getArg('action');
758 and !$this->_user->isAdmin()
759 and $action != 'browse'
760 and $action != 'wikitohtml'
763 $page = $this->getPage();
764 if ( $page->get('moderation') ) {
765 require_once("lib/WikiPlugin.php");
766 $loader = new WikiPluginLoader();
767 $plugin = $loader->getPlugin("ModeratedPage");
768 if ($plugin->handler($this, $page)) {
771 array('class' => 'wiki-edithelp'),
772 fmt("%s: action forwarded to a moderator.",
775 _("This action requires moderator approval. Please be patient."));
776 if (!empty($plugin->_tokens['CONTENT']))
777 $plugin->_tokens['CONTENT']->pushContent
780 _("You must wait for moderator approval."));
782 $plugin->_tokens['CONTENT'] = $CONTENT;
783 require_once("lib/Template.php");
784 $title = WikiLink($page->getName());
785 $title->pushContent(' : ', WikiLink(_("ModeratedPage")));
786 GeneratePage(Template('browse', $plugin->_tokens),
788 $page->getCurrentRevision());
793 $method = "action_$action";
794 if (method_exists($this, $method)) {
797 elseif ($page = $this->findActionPage($action)) {
798 $this->actionpage($page);
801 $this->finish(fmt("%s: Bad action", $action));
805 function finish ($errormsg = false) {
809 exit(); // just in case CloseDataBase calls us
812 global $ErrorManager;
813 $ErrorManager->flushPostponedErrors();
815 if (!empty($errormsg)) {
818 HTML::h2(_("Fatal PhpWiki Error")),
821 echo "\n</body></html>";
823 if (is_object($this->_user)) {
824 $this->_user->page = $this->getArg('pagename');
825 $this->_user->action = $this->getArg('action');
826 unset($this->_user->_HomePagehandle);
827 unset($this->_user->_auth_dbi);
828 unset($this->_user->_dbi);
829 unset($this->_user->_request);
836 * Generally pagename is rawurlencoded for older browsers or mozilla.
837 * Typing a pagename into the IE bar will utf-8 encode it, so we have to
838 * fix that with fixTitleEncoding().
839 * If USE_PATH_INFO = true, the pagename is stripped from the "/DATA_PATH/PageName&arg=value" line.
840 * If false, we support either "/index.php?pagename=PageName&arg=value",
841 * or the first arg (1.2.x style): "/index.php?PageName&arg=value"
843 function _deducePagename () {
844 if (trim(rawurldecode($this->getArg('pagename'))))
845 return fixTitleEncoding(rawurldecode($this->getArg('pagename')));
848 $pathinfo = $this->get('PATH_INFO');
849 if (empty($pathinfo)) { // fix for CGI
850 $path = $this->get('REQUEST_URI');
851 $script = $this->get('SCRIPT_NAME');
852 $pathinfo = substr($path,strlen($script));
853 $pathinfo = preg_replace('/\?.+$/','',$pathinfo);
855 $tail = substr($pathinfo, strlen(PATH_INFO_PREFIX));
857 if (trim($tail) != '' and $pathinfo == PATH_INFO_PREFIX . $tail) {
858 return fixTitleEncoding($tail);
861 elseif ($this->isPost()) {
863 * In general, for security reasons, HTTP_GET_VARS should be ignored
864 * on POST requests, but we make an exception here (only for pagename).
866 * The justification for this hack is the following
867 * asymmetry: When POSTing with USE_PATH_INFO set, the
868 * pagename can (and should) be communicated through the
869 * request URL via PATH_INFO. When POSTing with
870 * USE_PATH_INFO off, this cannot be done --- the only way
871 * to communicate the pagename through the URL is via
872 * QUERY_ARGS (HTTP_GET_VARS).
874 global $HTTP_GET_VARS;
875 if (isset($HTTP_GET_VARS['pagename']) and trim($HTTP_GET_VARS['pagename'])) {
876 return fixTitleEncoding(rawurldecode($HTTP_GET_VARS['pagename']));
881 * Support for PhpWiki 1.2 style requests.
882 * Strip off "&" args (?PageName&action=...&start_debug,...)
884 $query_string = $this->get('QUERY_STRING');
885 if (trim(rawurldecode($query_string)) and preg_match('/^([^&=]+)(&.+)?$/', $query_string, $m)) {
886 return fixTitleEncoding(rawurldecode($m[1]));
889 return fixTitleEncoding(HOME_PAGE);
892 function _deduceAction () {
893 if (!($action = $this->getArg('action'))) {
894 // TODO: improve this SOAP.php hack by letting SOAP use index.php
895 // or any other virtual url as with xmlrpc
896 if (defined('WIKI_SOAP') and WIKI_SOAP)
898 // Detect XML-RPC requests.
900 && ($this->get('CONTENT_TYPE') == 'text/xml'
901 or $this->get('CONTENT_TYPE') == 'application/xml')
902 && strstr($GLOBALS['HTTP_RAW_POST_DATA'], '<methodCall>')
907 return 'browse'; // Default if no action specified.
910 if (method_exists($this, "action_$action"))
913 // Allow for, e.g. action=LikePages
914 if ($this->isActionPage($action))
917 // Handle untranslated actionpages in non-english
918 // (people playing with switching languages)
919 if (0 and $GLOBALS['LANG'] != 'en') {
920 require_once("lib/plugin/_WikiTranslation.php");
921 $trans = new WikiPlugin__WikiTranslation();
922 $en_action = $trans->translate($action,'en',$GLOBALS['LANG']);
923 if ($this->isActionPage($en_action))
927 trigger_error("$action: Unknown action", E_USER_NOTICE);
931 function _deduceUsername() {
932 global $HTTP_SERVER_VARS, $HTTP_ENV_VARS;
934 if (!empty($this->args['auth']) and !empty($this->args['auth']['userid']))
935 return $this->args['auth']['userid'];
937 if ($user = $this->getSessionVar('wiki_user')) {
938 // Switched auth between sessions.
939 // Note: There's no way to demandload a missing class-definition
940 // afterwards! Stupid php.
941 if (isa($user, WikiUserClassname())) {
942 $this->_user = $user;
943 $this->_user->_authhow = 'session';
944 return ENABLE_USER_NEW ? $user->UserName() : $this->_user;
948 // Sessions override http auth
949 if (!empty($HTTP_SERVER_VARS['PHP_AUTH_USER']))
950 return $HTTP_SERVER_VARS['PHP_AUTH_USER'];
952 if (!empty($HTTP_SERVER_VARS['REMOTE_USER']))
953 return $HTTP_SERVER_VARS['REMOTE_USER'];
954 if (!empty($HTTP_ENV_VARS['REMOTE_USER']))
955 return $HTTP_ENV_VARS['REMOTE_USER'];
957 if ($userid = $this->getCookieVar(getCookieName())) {
958 if (!empty($userid) and substr($userid,0,2) != 's:') {
959 $this->_user->authhow = 'cookie';
964 if ($this->getArg('action') == 'xmlrpc') { // how about SOAP?
965 if (empty($GLOBALS['HTTP_RAW_POST_DATA']))
966 trigger_error("Wrong always_populate_raw_post_data = Off setting in your php.ini\nCannot use xmlrpc!", E_USER_ERROR);
967 // wiki.putPage has special otional userid/passwd arguments. check that later.
969 if (isset($HTTP_SERVER_VARS['REMOTE_USER']))
970 $userid = $HTTP_SERVER_VARS['REMOTE_USER'];
971 elseif (isset($HTTP_SERVER_VARS['REMOTE_ADDR']))
972 $userid = $HTTP_SERVER_VARS['REMOTE_ADDR'];
973 elseif (isset($HTTP_ENV_VARS['REMOTE_ADDR']))
974 $userid = $HTTP_ENV_VARS['REMOTE_ADDR'];
975 elseif (isset($GLOBALS['REMOTE_ADDR']))
976 $userid = $GLOBALS['REMOTE_ADDR'];
983 function _isActionPage ($pagename, $verbose = true) {
985 global $AllActionPages;
987 return (in_array($pagename, $AllActionPages));
990 function findActionPage ($action) {
992 if (!$action) return false;
994 // check for translated version, as per users preferred language
995 // (or system default in case it is not en)
996 $translation = gettext($action);
998 if (isset($cache) and isset($cache[$translation]))
999 return $cache[$translation];
1001 // check for cached translated version
1002 if ($translation and $this->_isActionPage($translation, false))
1003 return $cache[$action] = $translation;
1005 // Allow for, e.g. action=LikePages
1006 if (!isWikiWord($action))
1007 return $cache[$action] = false;
1009 // check for translated version (default language)
1011 if ($LANG != "en") {
1012 require_once("lib/WikiPlugin.php");
1013 require_once("lib/plugin/_WikiTranslation.php");
1014 $trans = new WikiPlugin__WikiTranslation();
1015 $trans->lang = $LANG;
1016 $default = $trans->translate_to_en($action, $LANG);
1017 if ($default and $this->_isActionPage($default, false))
1018 return $cache[$action] = $default;
1020 $default = $translation;
1023 // check for english version
1024 if ($action != $translation and $action != $default) {
1025 if ($this->_isActionPage($action))
1026 return $cache[$action] = $action;
1029 trigger_error("$action: Cannot find action page", E_USER_NOTICE);
1030 return $cache[$action] = false;
1033 function isActionPage ($pagename) {
1034 return $this->findActionPage($pagename);
1037 function action_browse () {
1038 $this->buffer_output();
1039 include_once("lib/display.php");
1043 function action_verify () {
1044 $this->action_browse();
1047 function actionpage ($action) {
1048 $this->buffer_output();
1049 include_once("lib/display.php");
1050 actionPage($this, $action);
1053 function adminActionSubpage ($subpage) {
1054 $page = _("PhpWikiAdministration")."/".$subpage;
1055 $action = $this->findActionPage($page);
1057 if (!$this->getArg('s'))
1058 $this->setArg('s', $this->getArg('pagename'));
1059 $this->setArg('verify',1);
1060 if ($this->getArg('action') != 'rename')
1061 $this->setArg('action', $action);
1062 $this->actionpage($action);
1064 trigger_error($page.": Cannot find action page", E_USER_WARNING);
1068 function action_chown () {
1069 $this->adminActionSubpage(_("Chown"));
1072 function action_setacl () {
1073 $this->adminActionSubpage(_("SetAcl"));
1076 function action_rename () {
1077 $this->adminActionSubpage(_("Rename"));
1080 function action_dump () {
1081 $action = $this->findActionPage(_("PageDump"));
1083 $this->actionpage($action);
1085 // redirect to action=upgrade if admin?
1086 trigger_error(_("PageDump").": Cannot find action page", E_USER_WARNING);
1090 function action_diff () {
1091 $this->buffer_output();
1092 include_once "lib/diff.php";
1096 function action_search () {
1097 // Decide between title or fulltextsearch (e.g. both buttons available).
1098 // Reformulate URL and redirect.
1099 $searchtype = $this->getArg('searchtype');
1100 $args = array('s' => $this->getArg('searchterm')
1101 ? $this->getArg('searchterm')
1102 : $this->getArg('s'));
1103 if ($searchtype == 'full' or $searchtype == 'fulltext') {
1104 $search_page = _("FullTextSearch");
1106 elseif ($searchtype == 'external') {
1108 $link = new WikiPageName("Search:$s"); // Expand interwiki url. I use xapian-omega
1109 $this->redirect($link->url);
1112 $search_page = _("TitleSearch");
1113 $args['auto_redirect'] = 1;
1115 $this->redirect(WikiURL($search_page, $args, 'absolute_url'));
1118 function action_edit () {
1119 $this->buffer_output();
1120 include "lib/editpage.php";
1121 $e = new PageEditor ($this);
1125 function action_create () {
1126 $this->action_edit();
1129 function action_viewsource () {
1130 $this->buffer_output();
1131 include "lib/editpage.php";
1132 $e = new PageEditor ($this);
1136 function action_lock () {
1137 $page = $this->getPage();
1138 $page->set('locked', true);
1139 $this->_dbi->touch();
1140 // check ModeratedPage hook
1141 if ($moderated = $page->get('moderation')) {
1142 require_once("lib/WikiPlugin.php");
1143 $plugin = WikiPluginLoader::getPlugin("ModeratedPage");
1144 if ($retval = $plugin->lock_check($this, $page, $moderated))
1145 $this->setArg('errormsg', $retval);
1147 // check if a link to ModeratedPage exists
1148 elseif ($action_page = $page->existLink(_("ModeratedPage"))) {
1149 require_once("lib/WikiPlugin.php");
1150 $plugin = WikiPluginLoader::getPlugin("ModeratedPage");
1151 if ($retval = $plugin->lock_add($this, $page, $action_page))
1152 $this->setArg('errormsg', $retval);
1154 $this->action_browse();
1157 function action_unlock () {
1158 $page = $this->getPage();
1159 $page->set('locked', false);
1160 $this->_dbi->touch();
1161 $this->action_browse();
1164 function action_purge () {
1165 $pagename = $this->getArg('pagename');
1166 if (strstr($pagename, _("PhpWikiAdministration"))) {
1167 $this->action_browse();
1169 include('lib/purgepage.php');
1174 function action_remove () {
1175 // This check is now redundant.
1176 //$user->requireAuth(WIKIAUTH_ADMIN);
1177 $pagename = $this->getArg('pagename');
1178 if (strstr($pagename, _("PhpWikiAdministration"))) {
1179 $this->action_browse();
1181 include('lib/removepage.php');
1186 function action_xmlrpc () {
1187 include_once("lib/XmlRpcServer.php");
1188 $xmlrpc = new XmlRpcServer($this);
1192 function action_soap () {
1193 if (defined("WIKI_SOAP") and WIKI_SOAP) // already loaded
1196 allow VIRTUAL_PATH or action=soap SOAP access
1198 include_once("SOAP.php");
1201 function action_revert () {
1202 include_once "lib/loadsave.php";
1206 function action_zip () {
1207 include_once("lib/loadsave.php");
1209 // I don't think it hurts to add cruft at the end of the zip file.
1210 //echo "\n========================================================\n";
1211 //echo "PhpWiki " . PHPWIKI_VERSION . " source:\n$GLOBALS[RCS_IDS]\n";
1214 function action_ziphtml () {
1215 include_once("lib/loadsave.php");
1216 MakeWikiZipHtml($this);
1217 // I don't think it hurts to add cruft at the end of the zip file.
1218 echo "\n========================================================\n";
1219 echo "PhpWiki " . PHPWIKI_VERSION . " source:\n$GLOBALS[RCS_IDS]\n";
1222 function action_dumpserial () {
1223 include_once("lib/loadsave.php");
1227 function action_dumphtml () {
1228 include_once("lib/loadsave.php");
1229 DumpHtmlToDir($this);
1232 function action_upload () {
1233 include_once("lib/loadsave.php");
1234 LoadPostFile($this);
1237 function action_upgrade () {
1238 include_once("lib/loadsave.php");
1239 include_once("lib/upgrade.php");
1243 function action_loadfile () {
1244 include_once("lib/loadsave.php");
1245 LoadFileOrDir($this);
1248 function action_pdf () {
1249 include_once("lib/pdf.php");
1250 ConvertAndDisplayPdf($this);
1253 function action_captcha () {
1254 include_once "lib/Captcha.php";
1255 $captcha = new Captcha();
1256 $captcha->image ( $captcha->captchaword() );
1259 function action_wikitohtml () {
1260 include_once("lib/WysiwygEdit/Wikiwyg.php");
1261 $wikitohtml = new WikiToHtml( $this->getArg("content") , $this);
1262 $wikitohtml->send();
1265 function action_setpref () {
1266 $what = $this->getArg('pref');
1267 $value = $this->getArg('value');
1268 $prefs =& $this->_user->_prefs;
1269 $prefs->set($what, $value);
1270 $num = $this->_user->setPreferences($prefs);
1274 //FIXME: deprecated with ENABLE_PAGEPERM (?)
1275 function is_safe_action ($action) {
1277 return $request->requiredAuthorityForAction($action) < WIKIAUTH_ADMIN;
1280 function validateSessionPath() {
1281 // Try to defer any session.save_path PHP errors before any html
1282 // is output, which causes some versions of IE to display a blank
1283 // page (due to its strict mode while parsing a page?).
1284 if (! is_writeable(ini_get('session.save_path'))) {
1285 $tmpdir = (defined('SESSION_SAVE_PATH') and SESSION_SAVE_PATH) ? SESSION_SAVE_PATH : '/tmp';
1286 if (!is_writeable($tmpdir))
1289 (sprintf(_("%s is not writable."),
1290 _("The session.save_path directory"))
1292 . sprintf(_("Please ensure that %s is writable, or redefine %s in config/config.ini."),
1293 sprintf(_("the session.save_path directory '%s'"),
1294 ini_get('session.save_path')),
1295 'SESSION_SAVE_PATH')
1297 . sprintf(_("Attempting to use the directory '%s' instead."),
1300 if (! is_writeable($tmpdir)) {
1302 (sprintf(_("%s is not writable."), $tmpdir)
1304 . _("Users will not be able to sign in.")
1308 @ini_set('session.save_path', $tmpdir);
1313 if ( !USE_DB_SESSION )
1314 validateSessionPath();
1317 if ((DEBUG & _DEBUG_APD) and extension_loaded("apd")) {
1318 //apd_set_session_trace(9);
1319 apd_set_pprof_trace();
1322 // Postpone warnings
1323 global $ErrorManager;
1324 if (defined('E_STRICT')) // and (E_ALL & E_STRICT)) // strict php5?
1325 $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE|E_USER_WARNING|E_WARNING|E_STRICT);
1327 $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE|E_USER_WARNING|E_WARNING);
1328 $request = new WikiRequest();
1330 $action = $request->getArg('action');
1331 if (substr($action, 0, 3) != 'zip') {
1332 if ($action == 'pdf')
1333 $ErrorManager->setPostponedErrorMask(-1); // everything
1334 //else // reject postponing of warnings
1335 // $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE);
1339 * Allow for disabling of markup cache.
1340 * (Mostly for debugging ... hopefully.)
1342 * See also <?plugin WikiAdminUtils action=purge-cache ?>
1344 if (!defined('WIKIDB_NOCACHE_MARKUP')) {
1345 if ($request->getArg('nocache')) // 1 or purge
1346 define('WIKIDB_NOCACHE_MARKUP', $request->getArg('nocache'));
1348 define('WIKIDB_NOCACHE_MARKUP', false); // redundant, but explicit
1351 // Initialize with system defaults in case user not logged in.
1352 // Should this go into the constructor?
1353 $request->initializeTheme('default');
1354 $request->updateAuthAndPrefs();
1355 $request->initializeLang();
1358 //if ($user->is_authenticated())
1359 // $LogEntry->user = $user->getId();
1361 // Memory optimization:
1362 // http://www.procata.com/blog/archives/2004/05/27/rephlux-and-php-memory-usage/
1363 // kill the global PEAR _PEAR_destructor_object_list
1364 if (!empty($_PEAR_destructor_object_list))
1365 $_PEAR_destructor_object_list = array();
1366 $request->possiblyDeflowerVirginWiki();
1368 $validators = array('wikiname' => WIKI_NAME,
1369 'args' => wikihash($request->getArgs()),
1370 'prefs' => wikihash($request->getPrefs()));
1371 if (CACHE_CONTROL == 'STRICT') {
1372 $dbi = $request->getDbh();
1373 $timestamp = $dbi->getTimestamp();
1374 $validators['mtime'] = $timestamp;
1375 $validators['%mtime'] = (int)$timestamp;
1377 // FIXME: we should try to generate strong validators when possible,
1378 // but for now, our validator is weak, since equal validators do not
1379 // indicate byte-level equality of content. (Due to DEBUG timing output, etc...)
1381 // (If DEBUG if off, this may be a strong validator, but I'm going
1382 // to go the paranoid route here pending further study and testing.)
1383 // access hits and edit stats in the footer violate strong ETags also.
1385 $validators['%weak'] = true;
1387 $request->setValidators($validators);
1389 $request->handleAction();
1391 if (DEBUG and DEBUG & _DEBUG_INFO) phpinfo(INFO_VARIABLES | INFO_MODULES);
1395 //$x = error_reporting(); // DEBUG: why is it 1 here? should be E_ALL
1396 if (defined('E_STRICT') and (E_ALL & E_STRICT)) // strict php5?
1397 error_reporting(E_ALL & ~E_STRICT); // exclude E_STRICT
1399 error_reporting(E_ALL); // php4
1400 // don't run the main loop for special requests (test, getimg, xmlrpc, soap, ...)
1401 if (!defined('PHPWIKI_NOMAIN') or !PHPWIKI_NOMAIN)
1407 // c-basic-offset: 4
1408 // c-hanging-comment-ender-p: nil
1409 // indent-tabs-mode: nil