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');
166 function initializeTheme ($when = 'default') {
168 // if when = 'default', then first time init (default theme, ...)
169 // if when = 'login', then check some callbacks
170 // and maybe the theme changed (other theme defined in pref)
171 // if when = 'logout', then check other callbacks
172 // and maybe the theme changed (back to default theme)
174 // Load non-default theme (when = login)
175 if (!empty($this->_prefs->_prefs['theme'])) {
176 $_theme = $this->_prefs->_prefs['theme'];
177 if (isset($_theme) and isset($_theme->theme))
178 $user_theme = $_theme->theme;
179 elseif (isset($_theme) and isset($_theme->default_value))
180 $user_theme = $_theme->default_value;
185 $user_theme = $this->getPref('theme');
187 //check changed LANG and THEME inside a session.
188 // (e.g. by using another baseurl)
189 if (isset($this->_user->_authhow)
190 and $this->_user->_authhow == 'session'
191 and !isset($_theme->theme)
193 and $user_theme != THEME)
195 include_once("themes/" . THEME . "/themeinfo.php");
197 if (empty($WikiTheme) and $user_theme) {
198 if (strcspn($user_theme,"./\x00]") != strlen($user_theme)) {
199 trigger_error(sprintf("invalid theme '%s': Invalid characters detected", $user_theme),
201 $user_theme = "default";
203 if (!$user_theme) $user_theme = "default";
204 include_once("themes/$user_theme/themeinfo.php");
206 if (empty($WikiTheme) and defined('THEME'))
207 include_once("themes/" . THEME . "/themeinfo.php");
208 if (empty($WikiTheme))
209 include_once("themes/default/themeinfo.php");
210 assert(!empty($WikiTheme));
212 // Do not execute global init code anymore
215 if ($when == 'login') {
216 $WikiTheme->CbUserLogin($this, $this->_user->_userid);
217 if (!$this->_user->hasHomePage()) { // NewUser
218 $WikiTheme->CbNewUserLogin($this, $this->_user->_userid);
219 if (in_array($this->getArg('action'), array('edit','create')))
220 $WikiTheme->CbNewUserEdit($this, $this->_user->_userid);
223 elseif ($when == 'logout') {
224 $WikiTheme->CbUserLogout($this, $this->_user->_userid);
226 elseif ($when == 'default') {
228 if ($this->_user->_level > 0 and !$this->_user->hasHomePage()) { // NewUser
229 if (in_array($this->getArg('action'), array('edit','create')))
230 $WikiTheme->CbNewUserEdit($this, $this->_user->_userid);
235 // This really maybe should be part of the constructor, but since it
236 // may involve HTML/template output, the global $request really needs
237 // to be initialized before we do this stuff.
238 // [50ms]: 36ms if wikidb_page::exists
239 function updateAuthAndPrefs () {
241 if (isset($this->_user) and (!isa($this->_user, WikiUserClassname()))) {
242 $this->_user = false;
244 // Handle authentication request, if any.
245 if ($auth_args = $this->getArg('auth')) {
246 $this->setArg('auth', false);
247 $this->_handleAuthRequest($auth_args); // possible NORETURN
249 elseif ( ! $this->_user
250 or (isa($this->_user, WikiUserClassname())
251 and ! $this->_user->isSignedIn())) {
252 // If not auth request, try to sign in as saved user.
253 if (($saved_user = $this->getPref('userid')) != false) {
254 $this->_signIn($saved_user);
258 $action = $this->getArg('action');
260 // Save preferences in session and cookie
261 if ((defined('WIKI_XMLRPC') and !WIKI_XMLRPC) or $action != 'xmlrpc') {
262 if (isset($this->_user) and $this->_user->_userid) {
263 if (!isset($this->_user->_authhow) or $this->_user->_authhow != 'session') {
264 $this->_user->setPreferences($this->_prefs, true);
267 $tmpuser = $this->_user; // clone it
268 $this->setSessionVar('wiki_user', $tmpuser);
272 // Ensure user has permissions for action
273 // HACK ALERT: We may not set the request arg to create,
274 // since the pageeditor has an ugly logic for action == create.
275 if ($action == 'edit' or $action == 'create') {
276 $page = $this->getPage();
277 if (! $page->exists() )
282 if (! ENABLE_PAGEPERM) { // Bug #1438392 by Matt Brown
283 $require_level = $this->requiredAuthority($action);
284 if (! $this->_user->hasAuthority($require_level))
285 $this->_notAuthorized($require_level); // NORETURN
287 // novatrope patch to let only _AUTHENTICATED view pages.
288 // If there's not enough authority or forbidden, ask for a password,
289 // unless it's explicitly unobtainable. Some bad magic though.
290 if ($this->requiredAuthorityForAction($action) == WIKIAUTH_UNOBTAINABLE) {
291 $require_level = $this->requiredAuthority($action);
292 $this->_notAuthorized($require_level); // NORETURN
297 function & getUser () {
298 if (isset($this->_user))
301 return $GLOBALS['ForbiddenUser'];
304 function & getGroup () {
305 if (isset($this->_user) and isset($this->_user->_group))
306 return $this->_user->_group;
308 // Debug Strict: Only variable references should be returned by reference
309 $this->_user->_group = WikiGroup::getGroup();
310 return $this->_user->_group;
314 function & getPrefs () {
315 return $this->_prefs;
318 // Convenience function:
319 function getPref ($key) {
320 if (isset($this->_prefs)) {
321 return $this->_prefs->get($key);
324 function & getDbh () {
329 * Get requested page from the page database.
330 * By default it will grab the page requested via the URL
332 * This is a convenience function.
333 * @param string $pagename Name of page to get.
334 * @return WikiDB_Page Object with methods to pull data from
335 * database for the page requested.
337 function getPage ($pagename = false) {
338 //if (!isset($this->_dbi)) $this->getDbh();
340 $pagename = $this->getArg('pagename');
341 return $this->_dbi->getPage($pagename);
344 /** Get URL for POST actions.
346 * Officially, we should just use SCRIPT_NAME (or some such),
347 * but that causes problems when we try to issue a redirect, e.g.
348 * after saving a page.
350 * Some browsers (at least NS4 and Mozilla 0.97 won't accept
351 * a redirect from a page to itself.)
353 * So, as a HACK, we include pagename and action as query args in
354 * the URL. (These should be ignored when we receive the POST
357 function getPostURL ($pagename = false) {
358 global $HTTP_GET_VARS;
360 if ($pagename === false)
361 $pagename = $this->getArg('pagename');
362 $action = $this->getArg('action');
363 if (!empty($HTTP_GET_VARS['start_debug'])) // zend ide support
364 return WikiURL($pagename, array('action' => $action, 'start_debug' => 1));
365 elseif ($action == 'edit')
366 return WikiURL($pagename);
368 return WikiURL($pagename, array('action' => $action));
371 function _handleAuthRequest ($auth_args) {
372 if (!is_array($auth_args))
375 // Ignore password unless POST'ed.
376 if (!$this->isPost())
377 unset($auth_args['passwd']);
379 $olduser = $this->_user;
380 $user = $this->_user->AuthCheck($auth_args);
381 if (is_string($user)) {
382 // Login attempt failed.
383 $fail_message = $user;
384 $auth_args['pass_required'] = true;
385 // if clicked just on to the "sign in as:" button dont print invalid username.
386 if (!empty($auth_args['login']) and empty($auth_args['userid']))
388 // If no password was submitted, it's not really
389 // a failure --- just need to prompt for password...
390 if (!ALLOW_USER_PASSWORDS
392 and !isset($auth_args['passwd']))
394 $fail_message = false;
396 $olduser->PrintLoginForm($this, $auth_args, $fail_message, 'newpage');
397 $this->finish(); //NORETURN
399 elseif (isa($user, WikiUserClassname())) {
400 // Successful login (or logout.)
401 $this->_setUser($user);
404 // Login request cancelled.
409 * Attempt to sign in (bogo-login).
413 * @param $userid string Userid to attempt to sign in as.
416 function _signIn ($userid) {
417 if (ENABLE_USER_NEW) {
419 $this->_user = new _BogoUser($userid);
420 // FIXME: is this always false? shouldn't we try passuser first?
422 $this->_user = new _PassUser($userid);
425 $this->_user = new WikiUser($this, $userid);
427 $user = $this->_user->AuthCheck(array('userid' => $userid));
428 if (isa($user, WikiUserClassname())) {
429 $this->_setUser($user); // success!
433 // login or logout or restore state
434 function _setUser (&$user) {
435 $this->_user =& $user;
436 if (defined('MAIN_setUser')) return; // don't set cookies twice
437 $this->setCookieVar(getCookieName(), $user->getAuthenticatedId(),
438 COOKIE_EXPIRATION_DAYS, COOKIE_DOMAIN);
439 $isSignedIn = $user->isSignedIn();
441 $user->_authhow = 'signin';
444 // Save userid to prefs..
445 if ( empty($this->_user->_prefs)) {
446 $this->_user->_prefs = $this->_user->getPreferences();
447 $this->_prefs =& $this->_user->_prefs;
449 $this->_user->_group = $this->getGroup();
450 $this->setSessionVar('wiki_user', $user);
451 $this->_prefs->set('userid',
452 $isSignedIn ? $user->getId() : '');
453 if (!ENABLE_USER_NEW) {
454 if (empty($this->_user->_request))
455 $this->_user->_request =& $this;
456 if (empty($this->_user->_dbi))
457 $this->_user->_dbi =& $this->_dbi;
459 $this->initializeTheme($isSignedIn ? 'login' : 'logout');
460 define('MAIN_setUser', true);
463 /* Permission system */
464 function getLevelDescription($level) {
465 static $levels = false;
466 if (!$levels) // This looks like a Visual Basic hack. For the very same reason. "0"
467 $levels = array('x-1' => _("FORBIDDEN"),
472 'x100'=> _("UNOBTAINABLE"));
475 if (!empty($levels["x".$level]))
476 return $levels["x".$level];
481 function _notAuthorized ($require_level) {
482 // Display the authority message in the Wiki's default
483 // language, in case it is not english.
485 // Note that normally a user will not see such an error once
486 // logged in, unless the admin has altered the default
487 // disallowed wikiactions. In that case we should probably
488 // check the user's language prefs too at this point; this
489 // would be a situation which is not really handled with the
491 if (empty($GLOBALS['LANG']))
492 update_locale(DEFAULT_LANGUAGE);
494 // User does not have required authority. Prompt for login.
495 $what = $this->getActionDescription($this->getArg('action'));
496 $pass_required = ($require_level >= WIKIAUTH_USER);
497 if ($require_level == WIKIAUTH_UNOBTAINABLE) {
498 global $DisabledActions;
499 if ($DisabledActions and in_array($action, $DisabledActions)) {
500 $msg = fmt("%s is disallowed on this wiki.",
501 $this->getDisallowedActionDescription($this->getArg('action')));
505 // Is the reason a missing ACL or just wrong user or password?
506 if (class_exists('PagePermission')) {
507 $user =& $this->_user;
508 $status = $user->isAuthenticated() ? _("authenticated") : _("not authenticated");
509 $msg = fmt("%s %s %s is disallowed on this wiki for %s user '%s' (level: %s).",
510 _("Missing PagePermission:"),
511 action2access($this->getArg('action')),
512 $this->getArg('pagename'),
513 $status, $user->getId(), $this->getLevelDescription($user->_level));
514 // TODO: add link to action=setacl
515 $user->PrintLoginForm($this, compact('pass_required'), $msg);
519 $msg = fmt("%s is disallowed on this wiki.",
520 $this->getDisallowedActionDescription($this->getArg('action')));
521 $this->_user->PrintLoginForm($this, compact('require_level','pass_required'), $msg);
526 elseif ($require_level == WIKIAUTH_BOGO)
527 $msg = fmt("You must sign in to %s.", $what);
528 elseif ($require_level == WIKIAUTH_USER) {
529 // LoginForm should display the relevant messages...
531 /*if (!ALLOW_ANON_USER)
532 $msg = fmt("You must log in first to %s", $what);
534 $msg = fmt("You must log in to %s.", $what);
536 } elseif ($require_level == WIKIAUTH_ANON)
537 $msg = fmt("Access for you is forbidden to %s.", $what);
539 $msg = fmt("You must be an administrator to %s.", $what);
541 $this->_user->PrintLoginForm($this, compact('require_level','pass_required'),
543 if (!$GLOBALS['WikiTheme']->DUMP_MODE)
544 $this->finish(); // NORETURN
547 // Fixme: for PagePermissions we'll need other strings,
548 // relevant to the requested page, not just for the action on the whole wiki.
549 function getActionDescription($action) {
550 static $actionDescriptions;
551 if (! $actionDescriptions) {
553 = array('browse' => _("view this page"),
554 'diff' => _("diff this page"),
555 'dumphtml' => _("dump html pages"),
556 'dumpserial' => _("dump serial pages"),
557 'edit' => _("edit this page"),
558 'rename' => _("rename this page"),
559 'revert' => _("revert to a previous version of this page"),
560 'create' => _("create this page"),
561 'loadfile' => _("load files into this wiki"),
562 'lock' => _("lock this page"),
563 'purge' => _("purge this page"),
564 'remove' => _("remove this page"),
565 'unlock' => _("unlock this page"),
566 'upload' => _("upload a zip dump"),
567 'verify' => _("verify the current action"),
568 'viewsource' => _("view the source of this page"),
569 'xmlrpc' => _("access this wiki via XML-RPC"),
570 'soap' => _("access this wiki via SOAP"),
571 'zip' => _("download a zip dump from this wiki"),
572 'ziphtml' => _("download a html zip dump from this wiki")
575 if (in_array($action, array_keys($actionDescriptions)))
576 return $actionDescriptions[$action];
578 return _("use")." ".$action;
582 TODO: check against these cases:
583 if ($DisabledActions and in_array($action, $DisabledActions))
584 return WIKIAUTH_UNOBTAINABLE;
586 if (ENABLE_PAGEPERM and class_exists("PagePermission")) {
587 return requiredAuthorityForPage($action);
589 => Browsing pages is disallowed on this wiki for authenticated user 'rurban' (level: BOGO).
591 function getDisallowedActionDescription($action) {
592 static $disallowedActionDescriptions;
594 if (! $disallowedActionDescriptions) {
595 $disallowedActionDescriptions
596 = array('browse' => _("Browsing pages"),
597 'diff' => _("Diffing pages"),
598 'dumphtml' => _("Dumping html pages"),
599 'dumpserial' => _("Dumping serial pages"),
600 'edit' => _("Editing pages"),
601 'revert' => _("Reverting to a previous version of pages"),
602 'create' => _("Creating pages"),
603 'loadfile' => _("Loading files"),
604 'lock' => _("Locking pages"),
605 'purge' => _("Purging pages"),
606 'remove' => _("Removing pages"),
607 'unlock' => _("Unlocking pages"),
608 'upload' => _("Uploading zip dumps"),
609 'verify' => _("Verify the current action"),
610 'viewsource' => _("Viewing the source of pages"),
611 'xmlrpc' => _("XML-RPC access"),
612 'soap' => _("SOAP access"),
613 'zip' => _("Downloading zip dumps"),
614 'ziphtml' => _("Downloading html zip dumps")
617 if (in_array($action, array_keys($disallowedActionDescriptions)))
618 return $disallowedActionDescriptions[$action];
623 function requiredAuthority ($action) {
624 $auth = $this->requiredAuthorityForAction($action);
625 if (!ALLOW_ANON_USER) return WIKIAUTH_USER;
628 * This is a hook for plugins to require authority
629 * for posting to them.
631 * IMPORTANT: This is not a secure check, so the plugin
632 * may not assume that any POSTs to it are authorized.
633 * All this does is cause PhpWiki to prompt for login
634 * if the user doesn't have the required authority.
636 if ($this->isPost()) {
637 $post_auth = $this->getArg('require_authority_for_post');
638 if ($post_auth !== false)
639 $auth = max($auth, $post_auth);
644 function requiredAuthorityForAction ($action) {
645 global $DisabledActions;
647 if ($DisabledActions and in_array($action, $DisabledActions))
648 return WIKIAUTH_UNOBTAINABLE;
650 if (ENABLE_PAGEPERM and class_exists("PagePermission")) {
651 return requiredAuthorityForPage($action);
664 return WIKIAUTH_ANON;
669 if (INSECURE_ACTIONS_LOCALHOST_ONLY and !is_localhost())
670 return WIKIAUTH_ADMIN;
671 return WIKIAUTH_ANON;
675 return WIKIAUTH_ADMIN;
676 if (INSECURE_ACTIONS_LOCALHOST_ONLY and !is_localhost())
677 return WIKIAUTH_ADMIN;
678 return WIKIAUTH_ANON;
681 if (INSECURE_ACTIONS_LOCALHOST_ONLY and is_localhost())
682 return WIKIAUTH_ANON;
683 return WIKIAUTH_ADMIN;
687 return WIKIAUTH_ADMIN;
688 return WIKIAUTH_ANON;
693 if (defined('REQUIRE_SIGNIN_BEFORE_EDIT') && REQUIRE_SIGNIN_BEFORE_EDIT)
694 return WIKIAUTH_BOGO;
695 return WIKIAUTH_ANON;
696 // return WIKIAUTH_BOGO;
699 $page = $this->getPage();
700 $current = $page->getCurrentRevision();
701 if ($current->hasDefaultContents())
702 return $this->requiredAuthorityForAction('edit');
703 return $this->requiredAuthorityForAction('browse');
714 return WIKIAUTH_ADMIN;
716 /* authcheck occurs only in the plugin.
717 required actionpage RateIt */
720 case 'delete_rating':
721 // Perhaps this should be WIKIAUTH_USER
722 return WIKIAUTH_BOGO;
726 global $WikiNameRegexp;
727 if (preg_match("/$WikiNameRegexp\Z/A", $action))
728 return WIKIAUTH_ANON; // ActionPage.
730 return WIKIAUTH_ADMIN;
734 /* End of Permission system */
736 function possiblyDeflowerVirginWiki () {
737 if ($this->getArg('action') != 'browse')
739 if ($this->getArg('pagename') != HOME_PAGE)
742 $page = $this->getPage();
743 $current = $page->getCurrentRevision();
744 if ($current->getVersion() > 0)
745 return; // Homepage exists.
747 include_once('lib/loadsave.php');
749 $this->finish(); // NORETURN
752 // [574ms] mainly template:printexpansion: 393ms and template::expandsubtemplate [100+70+60ms]
753 function handleAction () {
754 $action = $this->getArg('action');
756 and !$this->_user->isAdmin()
757 and $action != 'browse'
758 and $action != 'wikitohtml'
761 $page = $this->getPage();
762 if ( $page->get('moderation') ) {
763 require_once("lib/WikiPlugin.php");
764 $loader = new WikiPluginLoader();
765 $plugin = $loader->getPlugin("ModeratedPage");
766 if ($plugin->handler($this, $page)) {
769 array('class' => 'wiki-edithelp'),
770 fmt("%s: action forwarded to a moderator.",
773 _("This action requires moderator approval. Please be patient."));
774 if (!empty($plugin->_tokens['CONTENT']))
775 $plugin->_tokens['CONTENT']->pushContent
778 _("You must wait for moderator approval."));
780 $plugin->_tokens['CONTENT'] = $CONTENT;
781 require_once("lib/Template.php");
782 $title = WikiLink($page->getName());
783 $title->pushContent(' : ', WikiLink(_("ModeratedPage")));
784 GeneratePage(Template('browse', $plugin->_tokens),
786 $page->getCurrentRevision());
791 $method = "action_$action";
792 if (method_exists($this, $method)) {
795 elseif ($page = $this->findActionPage($action)) {
796 $this->actionpage($page);
799 $this->finish(fmt("%s: Bad action", $action));
803 function finish ($errormsg = false) {
807 exit(); // just in case CloseDataBase calls us
810 global $ErrorManager;
811 $ErrorManager->flushPostponedErrors();
813 if (!empty($errormsg)) {
816 HTML::h2(_("Fatal PhpWiki Error")),
819 echo "\n</body></html>";
821 if (is_object($this->_user)) {
822 $this->_user->page = $this->getArg('pagename');
823 $this->_user->action = $this->getArg('action');
824 unset($this->_user->_HomePagehandle);
825 unset($this->_user->_auth_dbi);
826 unset($this->_user->_dbi);
827 unset($this->_user->_request);
834 * Generally pagename is rawurlencoded for older browsers or mozilla.
835 * Typing a pagename into the IE bar will utf-8 encode it, so we have to
836 * fix that with fixTitleEncoding().
837 * If USE_PATH_INFO = true, the pagename is stripped from the "/DATA_PATH/PageName&arg=value" line.
838 * If false, we support either "/index.php?pagename=PageName&arg=value",
839 * or the first arg (1.2.x style): "/index.php?PageName&arg=value"
841 function _deducePagename () {
842 if (trim(rawurldecode($this->getArg('pagename'))))
843 return fixTitleEncoding(rawurldecode($this->getArg('pagename')));
846 $pathinfo = $this->get('PATH_INFO');
847 if (empty($pathinfo)) { // fix for CGI
848 $path = $this->get('REQUEST_URI');
849 $script = $this->get('SCRIPT_NAME');
850 $pathinfo = substr($path,strlen($script));
851 $pathinfo = preg_replace('/\?.+$/','',$pathinfo);
853 $tail = substr($pathinfo, strlen(PATH_INFO_PREFIX));
855 if (trim($tail) != '' and $pathinfo == PATH_INFO_PREFIX . $tail) {
856 return fixTitleEncoding($tail);
859 elseif ($this->isPost()) {
861 * In general, for security reasons, HTTP_GET_VARS should be ignored
862 * on POST requests, but we make an exception here (only for pagename).
864 * The justification for this hack is the following
865 * asymmetry: When POSTing with USE_PATH_INFO set, the
866 * pagename can (and should) be communicated through the
867 * request URL via PATH_INFO. When POSTing with
868 * USE_PATH_INFO off, this cannot be done --- the only way
869 * to communicate the pagename through the URL is via
870 * QUERY_ARGS (HTTP_GET_VARS).
872 global $HTTP_GET_VARS;
873 if (isset($HTTP_GET_VARS['pagename']) and trim($HTTP_GET_VARS['pagename'])) {
874 return fixTitleEncoding(rawurldecode($HTTP_GET_VARS['pagename']));
879 * Support for PhpWiki 1.2 style requests.
880 * Strip off "&" args (?PageName&action=...&start_debug,...)
882 $query_string = $this->get('QUERY_STRING');
883 if (trim(rawurldecode($query_string)) and preg_match('/^([^&=]+)(&.+)?$/', $query_string, $m)) {
884 return fixTitleEncoding(rawurldecode($m[1]));
887 return fixTitleEncoding(HOME_PAGE);
890 function _deduceAction () {
891 if (!($action = $this->getArg('action'))) {
892 // TODO: improve this SOAP.php hack by letting SOAP use index.php
893 // or any other virtual url as with xmlrpc
894 if (defined('WIKI_SOAP') and WIKI_SOAP)
896 // Detect XML-RPC requests.
898 && ($this->get('CONTENT_TYPE') == 'text/xml'
899 or $this->get('CONTENT_TYPE') == 'application/xml')
900 && strstr($GLOBALS['HTTP_RAW_POST_DATA'], '<methodCall>')
905 return 'browse'; // Default if no action specified.
908 if (method_exists($this, "action_$action"))
911 // Allow for, e.g. action=LikePages
912 if ($this->isActionPage($action))
915 // Handle untranslated actionpages in non-english
916 // (people playing with switching languages)
917 if (0 and $GLOBALS['LANG'] != 'en') {
918 require_once("lib/plugin/_WikiTranslation.php");
919 $trans = new WikiPlugin__WikiTranslation();
920 $en_action = $trans->translate($action,'en',$GLOBALS['LANG']);
921 if ($this->isActionPage($en_action))
925 trigger_error("$action: Unknown action", E_USER_NOTICE);
929 function _deduceUsername() {
930 global $HTTP_SERVER_VARS, $HTTP_ENV_VARS;
932 if (!empty($this->args['auth']) and !empty($this->args['auth']['userid']))
933 return $this->args['auth']['userid'];
935 if ($user = $this->getSessionVar('wiki_user')) {
936 // Switched auth between sessions.
937 // Note: There's no way to demandload a missing class-definition
938 // afterwards! Stupid php.
939 if (isa($user, WikiUserClassname())) {
940 $this->_user = $user;
941 $this->_user->_authhow = 'session';
942 return ENABLE_USER_NEW ? $user->UserName() : $this->_user;
946 // Sessions override http auth
947 if (!empty($HTTP_SERVER_VARS['PHP_AUTH_USER']))
948 return $HTTP_SERVER_VARS['PHP_AUTH_USER'];
950 if (!empty($HTTP_SERVER_VARS['REMOTE_USER']))
951 return $HTTP_SERVER_VARS['REMOTE_USER'];
952 if (!empty($HTTP_ENV_VARS['REMOTE_USER']))
953 return $HTTP_ENV_VARS['REMOTE_USER'];
955 if ($userid = $this->getCookieVar(getCookieName())) {
956 if (!empty($userid) and substr($userid,0,2) != 's:') {
957 $this->_user->authhow = 'cookie';
962 if ($this->getArg('action') == 'xmlrpc') { // how about SOAP?
963 if (empty($GLOBALS['HTTP_RAW_POST_DATA']))
964 trigger_error("Wrong always_populate_raw_post_data = Off setting in your php.ini\nCannot use xmlrpc!", E_USER_ERROR);
965 // wiki.putPage has special otional userid/passwd arguments. check that later.
967 if (isset($HTTP_SERVER_VARS['REMOTE_USER']))
968 $userid = $HTTP_SERVER_VARS['REMOTE_USER'];
969 elseif (isset($HTTP_SERVER_VARS['REMOTE_ADDR']))
970 $userid = $HTTP_SERVER_VARS['REMOTE_ADDR'];
971 elseif (isset($HTTP_ENV_VARS['REMOTE_ADDR']))
972 $userid = $HTTP_ENV_VARS['REMOTE_ADDR'];
973 elseif (isset($GLOBALS['REMOTE_ADDR']))
974 $userid = $GLOBALS['REMOTE_ADDR'];
981 function _isActionPage ($pagename, $verbose = true) {
982 $dbi = $this->getDbh();
983 $page = $dbi->getPage($pagename);
984 if (!$page) return false;
985 $rev = $page->getCurrentRevision();
986 // FIXME: more restrictive check for sane plugin?
987 if (strstr($rev->getPackedContent(), '<?plugin'))
989 if ($verbose and !$rev->hasDefaultContents())
990 trigger_error("$pagename: Does not appear to be an 'action page'", E_USER_NOTICE);
994 function findActionPage ($action) {
996 if (!$action) return false;
998 // check for translated version, as per users preferred language
999 // (or system default in case it is not en)
1000 $translation = gettext($action);
1002 if (isset($cache) and isset($cache[$translation]))
1003 return $cache[$translation];
1005 // check for cached translated version
1006 if ($translation and $this->_isActionPage($translation, false))
1007 return $cache[$action] = $translation;
1009 // Allow for, e.g. action=LikePages
1010 if (!isWikiWord($action))
1011 return $cache[$action] = false;
1013 // check for translated version (default language)
1015 if ($LANG != "en") {
1016 require_once("lib/WikiPlugin.php");
1017 require_once("lib/plugin/_WikiTranslation.php");
1018 $trans = new WikiPlugin__WikiTranslation();
1019 $trans->lang = $LANG;
1020 $default = $trans->translate_to_en($action, $LANG);
1021 if ($default and $this->_isActionPage($default, false))
1022 return $cache[$action] = $default;
1024 $default = $translation;
1027 // check for english version
1028 if ($action != $translation and $action != $default) {
1029 if ($this->_isActionPage($action))
1030 return $cache[$action] = $action;
1033 trigger_error("$action: Cannot find action page", E_USER_NOTICE);
1034 return $cache[$action] = false;
1037 function isActionPage ($pagename) {
1038 return $this->findActionPage($pagename);
1041 function action_browse () {
1042 $this->buffer_output();
1043 include_once("lib/display.php");
1047 function action_verify () {
1048 $this->action_browse();
1051 function actionpage ($action) {
1052 $this->buffer_output();
1053 include_once("lib/display.php");
1054 actionPage($this, $action);
1057 function adminActionSubpage ($subpage) {
1058 $page = _("PhpWikiAdministration")."/".$subpage;
1059 $action = $this->findActionPage($page);
1061 if (!$this->getArg('s'))
1062 $this->setArg('s', $this->getArg('pagename'));
1063 $this->setArg('verify',1);
1064 if ($this->getArg('action') != 'rename')
1065 $this->setArg('action', $action);
1066 $this->actionpage($action);
1068 trigger_error($page.": Cannot find action page", E_USER_WARNING);
1072 function action_chown () {
1073 $this->adminActionSubpage(_("Chown"));
1076 function action_setacl () {
1077 $this->adminActionSubpage(_("SetAcl"));
1080 function action_rename () {
1081 $this->adminActionSubpage(_("Rename"));
1084 function action_dump () {
1085 $action = $this->findActionPage(_("PageDump"));
1087 $this->actionpage($action);
1089 // redirect to action=upgrade if admin?
1090 trigger_error(_("PageDump").": Cannot find action page", E_USER_WARNING);
1094 function action_diff () {
1095 $this->buffer_output();
1096 include_once "lib/diff.php";
1100 function action_search () {
1101 // Decide between title or fulltextsearch (e.g. both buttons available).
1102 // Reformulate URL and redirect.
1103 $searchtype = $this->getArg('searchtype');
1104 $args = array('s' => $this->getArg('searchterm')
1105 ? $this->getArg('searchterm')
1106 : $this->getArg('s'));
1107 if ($searchtype == 'full' or $searchtype == 'fulltext') {
1108 $search_page = _("FullTextSearch");
1110 elseif ($searchtype == 'external') {
1112 $link = new WikiPageName("Search:$s"); // Expand interwiki url. I use xapian-omega
1113 $this->redirect($link->url);
1116 $search_page = _("TitleSearch");
1117 $args['auto_redirect'] = 1;
1119 $this->redirect(WikiURL($search_page, $args, 'absolute_url'));
1122 function action_edit () {
1123 $this->buffer_output();
1124 include "lib/editpage.php";
1125 $e = new PageEditor ($this);
1129 function action_create () {
1130 $this->action_edit();
1133 function action_viewsource () {
1134 $this->buffer_output();
1135 include "lib/editpage.php";
1136 $e = new PageEditor ($this);
1140 function action_lock () {
1141 $page = $this->getPage();
1142 $page->set('locked', true);
1143 $this->_dbi->touch();
1144 // check ModeratedPage hook
1145 if ($moderated = $page->get('moderation')) {
1146 require_once("lib/WikiPlugin.php");
1147 $plugin = WikiPluginLoader::getPlugin("ModeratedPage");
1148 if ($retval = $plugin->lock_check($this, $page, $moderated))
1149 $this->setArg('errormsg', $retval);
1151 // check if a link to ModeratedPage exists
1152 elseif ($action_page = $page->existLink(_("ModeratedPage"))) {
1153 require_once("lib/WikiPlugin.php");
1154 $plugin = WikiPluginLoader::getPlugin("ModeratedPage");
1155 if ($retval = $plugin->lock_add($this, $page, $action_page))
1156 $this->setArg('errormsg', $retval);
1158 $this->action_browse();
1161 function action_unlock () {
1162 $page = $this->getPage();
1163 $page->set('locked', false);
1164 $this->_dbi->touch();
1165 $this->action_browse();
1168 function action_purge () {
1169 $pagename = $this->getArg('pagename');
1170 if (strstr($pagename, _("PhpWikiAdministration"))) {
1171 $this->action_browse();
1173 include('lib/purgepage.php');
1178 function action_remove () {
1179 // This check is now redundant.
1180 //$user->requireAuth(WIKIAUTH_ADMIN);
1181 $pagename = $this->getArg('pagename');
1182 if (strstr($pagename, _("PhpWikiAdministration"))) {
1183 $this->action_browse();
1185 include('lib/removepage.php');
1190 function action_xmlrpc () {
1191 include_once("lib/XmlRpcServer.php");
1192 $xmlrpc = new XmlRpcServer($this);
1196 function action_soap () {
1197 if (defined("WIKI_SOAP") and WIKI_SOAP) // already loaded
1200 allow VIRTUAL_PATH or action=soap SOAP access
1202 include_once("SOAP.php");
1205 function action_revert () {
1206 include_once "lib/loadsave.php";
1210 function action_zip () {
1211 include_once("lib/loadsave.php");
1213 // I don't think it hurts to add cruft at the end of the zip file.
1214 //echo "\n========================================================\n";
1215 //echo "PhpWiki " . PHPWIKI_VERSION . " source:\n$GLOBALS[RCS_IDS]\n";
1218 function action_ziphtml () {
1219 include_once("lib/loadsave.php");
1220 MakeWikiZipHtml($this);
1221 // I don't think it hurts to add cruft at the end of the zip file.
1222 echo "\n========================================================\n";
1223 echo "PhpWiki " . PHPWIKI_VERSION . " source:\n$GLOBALS[RCS_IDS]\n";
1226 function action_dumpserial () {
1227 include_once("lib/loadsave.php");
1231 function action_dumphtml () {
1232 include_once("lib/loadsave.php");
1233 DumpHtmlToDir($this);
1236 function action_upload () {
1237 include_once("lib/loadsave.php");
1238 LoadPostFile($this);
1241 function action_upgrade () {
1242 include_once("lib/loadsave.php");
1243 include_once("lib/upgrade.php");
1247 function action_loadfile () {
1248 include_once("lib/loadsave.php");
1249 LoadFileOrDir($this);
1252 function action_pdf () {
1253 include_once("lib/pdf.php");
1254 ConvertAndDisplayPdf($this);
1257 function action_captcha () {
1258 include_once "lib/Captcha.php";
1259 $captcha = new Captcha();
1260 $captcha->image ( $captcha->captchaword() );
1263 function action_wikitohtml () {
1264 include_once("lib/WysiwygEdit/Wikiwyg.php");
1265 $wikitohtml = new WikiToHtml( $this->getArg("content") , $this);
1266 $wikitohtml->send();
1269 function action_setpref () {
1270 $what = $this->getArg('pref');
1271 $value = $this->getArg('value');
1272 $prefs =& $this->_user->_prefs;
1273 $prefs->set($what, $value);
1274 $num = $this->_user->setPreferences($prefs);
1278 //FIXME: deprecated with ENABLE_PAGEPERM (?)
1279 function is_safe_action ($action) {
1281 return $request->requiredAuthorityForAction($action) < WIKIAUTH_ADMIN;
1284 function validateSessionPath() {
1285 // Try to defer any session.save_path PHP errors before any html
1286 // is output, which causes some versions of IE to display a blank
1287 // page (due to its strict mode while parsing a page?).
1288 if (! is_writeable(ini_get('session.save_path'))) {
1289 $tmpdir = (defined('SESSION_SAVE_PATH') and SESSION_SAVE_PATH) ? SESSION_SAVE_PATH : '/tmp';
1290 if (!is_writeable($tmpdir))
1293 (sprintf(_("%s is not writable."),
1294 _("The session.save_path directory"))
1296 . sprintf(_("Please ensure that %s is writable, or redefine %s in config/config.ini."),
1297 sprintf(_("the session.save_path directory '%s'"),
1298 ini_get('session.save_path')),
1299 'SESSION_SAVE_PATH')
1301 . sprintf(_("Attempting to use the directory '%s' instead."),
1304 if (! is_writeable($tmpdir)) {
1306 (sprintf(_("%s is not writable."), $tmpdir)
1308 . _("Users will not be able to sign in.")
1312 @ini_set('session.save_path', $tmpdir);
1317 if ( !USE_DB_SESSION )
1318 validateSessionPath();
1321 if ((DEBUG & _DEBUG_APD) and extension_loaded("apd")) {
1322 //apd_set_session_trace(9);
1323 apd_set_pprof_trace();
1326 // Postpone warnings
1327 global $ErrorManager;
1328 if (defined('E_STRICT')) // and (E_ALL & E_STRICT)) // strict php5?
1329 $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE|E_USER_WARNING|E_WARNING|E_STRICT);
1331 $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE|E_USER_WARNING|E_WARNING);
1332 $request = new WikiRequest();
1334 $action = $request->getArg('action');
1335 if (substr($action, 0, 3) != 'zip') {
1336 if ($action == 'pdf')
1337 $ErrorManager->setPostponedErrorMask(-1); // everything
1338 //else // reject postponing of warnings
1339 // $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE);
1343 * Allow for disabling of markup cache.
1344 * (Mostly for debugging ... hopefully.)
1346 * See also <?plugin WikiAdminUtils action=purge-cache ?>
1348 if (!defined('WIKIDB_NOCACHE_MARKUP')) {
1349 if ($request->getArg('nocache')) // 1 or purge
1350 define('WIKIDB_NOCACHE_MARKUP', $request->getArg('nocache'));
1352 define('WIKIDB_NOCACHE_MARKUP', false); // redundant, but explicit
1355 // Initialize with system defaults in case user not logged in.
1356 // Should this go into the constructor?
1357 $request->initializeTheme('default');
1358 $request->updateAuthAndPrefs();
1359 $request->initializeLang();
1362 //if ($user->is_authenticated())
1363 // $LogEntry->user = $user->getId();
1365 // Memory optimization:
1366 // http://www.procata.com/blog/archives/2004/05/27/rephlux-and-php-memory-usage/
1367 // kill the global PEAR _PEAR_destructor_object_list
1368 if (!empty($_PEAR_destructor_object_list))
1369 $_PEAR_destructor_object_list = array();
1370 $request->possiblyDeflowerVirginWiki();
1372 // hack! define proper actions for these.
1373 //if (defined('WIKI_XMLRPC') and WIKI_XMLRPC) return;
1374 //if (defined('WIKI_SOAP') and WIKI_SOAP) return;
1376 $validators = array('wikiname' => WIKI_NAME,
1377 'args' => wikihash($request->getArgs()),
1378 'prefs' => wikihash($request->getPrefs()));
1379 if (CACHE_CONTROL == 'STRICT') {
1380 $dbi = $request->getDbh();
1381 $timestamp = $dbi->getTimestamp();
1382 $validators['mtime'] = $timestamp;
1383 $validators['%mtime'] = (int)$timestamp;
1385 // FIXME: we should try to generate strong validators when possible,
1386 // but for now, our validator is weak, since equal validators do not
1387 // indicate byte-level equality of content. (Due to DEBUG timing output, etc...)
1389 // (If DEBUG if off, this may be a strong validator, but I'm going
1390 // to go the paranoid route here pending further study and testing.)
1391 // access hits and edit stats in the footer violate strong ETags also.
1393 $validators['%weak'] = true;
1395 $request->setValidators($validators);
1397 $request->handleAction();
1399 if (DEBUG and DEBUG & _DEBUG_INFO) phpinfo(INFO_VARIABLES | INFO_MODULES);
1403 //$x = error_reporting(); // DEBUG: why is it 1 here? should be E_ALL
1404 if (defined('E_STRICT') and (E_ALL & E_STRICT)) // strict php5?
1405 error_reporting(E_ALL & ~E_STRICT); // exclude E_STRICT
1407 error_reporting(E_ALL); // php4
1408 // don't run the main loop for special requests (test, getimg, xmlrpc, soap, ...)
1409 if (!defined('PHPWIKI_NOMAIN') or !PHPWIKI_NOMAIN)
1415 // c-basic-offset: 4
1416 // c-hanging-comment-ender-p: nil
1417 // indent-tabs-mode: nil