4 * Copyright 1999-2008 $ThePhpWikiProgrammingTeam
5 * Copyright (C) 2008-2010 Marc-Etienne Vargenau, Alcatel-Lucent
6 * Copyright (C) 2009 Roger Guignard, Alcatel-Lucent
8 * This file is part of PhpWiki.
10 * PhpWiki is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * PhpWiki is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License along
21 * with PhpWiki; if not, write to the Free Software Foundation, Inc.,
22 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
25 define ('USE_PREFS_IN_PAGE', true);
27 //include "lib/config.php";
28 require_once(dirname(__FILE__) . "/stdlib.php");
29 require_once 'lib/Request.php';
30 require_once 'lib/WikiDB.php';
32 require_once 'lib/WikiUserNew.php';
34 require_once 'lib/WikiUser.php';
35 require_once 'lib/WikiGroup.php';
37 require_once 'lib/PagePerm.php';
40 * Check permission per page.
41 * Returns true or false.
43 function mayAccessPage($access, $pagename)
46 return _requiredAuthorityForPagename($access, $pagename); // typically [10-20ms per page]
51 class WikiRequest extends Request
55 function WikiRequest()
57 $this->_dbi = WikiDB::open($GLOBALS['DBParams']);
58 // first mysql request costs [958ms]! [670ms] is mysql_connect()
60 if (in_array('File', $this->_dbi->getAuthParam('USER_AUTH_ORDER'))) {
61 // force our local copy, until the pear version is fixed.
62 include_once(dirname(__FILE__) . "/pear/File_Passwd.php");
64 if (ENABLE_USER_NEW) {
65 // Preload all necessary userclasses. Otherwise session => __PHP_Incomplete_Class_Name
66 // There's no way to demand-load it later. This way it's much slower, but needs slightly
67 // less memory than loading all.
69 include_once 'lib/WikiUser/BogoLogin.php';
70 // UserPreferences POST Update doesn't reach this.
71 foreach ($GLOBALS['USER_AUTH_ORDER'] as $method) {
72 include_once("lib/WikiUser/$method.php");
74 switch (DATABASE_TYPE) {
76 include_once("lib/WikiUser/PearDb.php");
79 include_once("lib/WikiUser/AdoDb.php");
82 include_once("lib/WikiUser/PdoDb.php");
89 include_once 'lib/DbSession.php';
91 if (defined('READONLY') and !READONLY) // READONLY might be set later
92 $this->_dbsession = new DbSession($dbi, $dbi->getParam('prefix')
93 . $dbi->getParam('db_session_table'));
96 // Fixme: Does pear reset the error mask to 1? We have to find the culprit
97 //$x = error_reporting();
99 $this->version = phpwiki_version();
100 $this->Request(); // [90ms]
103 $this->setArg('pagename', $this->_deducePagename());
104 $this->setArg('action', $this->_deduceAction());
106 if ((DEBUG & _DEBUG_SQL)
107 or (DATABASE_OPTIMISE_FREQUENCY > 0 and
108 (time() % DATABASE_OPTIMISE_FREQUENCY == 0))
110 if ($this->_dbi->_backend->optimize())
111 trigger_error(_("Optimizing database"), E_USER_NOTICE);
114 // Restore auth state. This doesn't check for proper authorization!
115 $userid = $this->_deduceUsername();
116 if (ENABLE_USER_NEW) {
117 if (isset($this->_user) and
118 !empty($this->_user->_authhow) and
119 $this->_user->_authhow == 'session'
121 // users might switch in a session between the two objects.
122 // restore old auth level here or in updateAuthAndPrefs?
123 //$user = $this->getSessionVar('wiki_user');
124 // revive db handle, because these don't survive sessions
125 if (isset($this->_user) and
126 (!isa($this->_user, WikiUserClassname())
127 or (strtolower(get_class($this->_user)) == '_passuser')
128 or (strtolower(get_class($this->_user)) == '_fusionforgepassuser'))
130 $this->_user = WikiUser($userid, $this->_user->_prefs);
132 // revive other db handle
133 if (isset($this->_user->_prefs->_method)
134 and ($this->_user->_prefs->_method == 'SQL'
135 or $this->_user->_prefs->_method == 'ADODB'
136 or $this->_user->_prefs->_method == 'PDO'
137 or $this->_user->_prefs->_method == 'HomePage')
139 $this->_user->_HomePagehandle = $this->getPage($userid);
141 // need to update the lockfile filehandle
142 if (isa($this->_user, '_FilePassUser')
143 and $this->_user->_file->lockfile
144 and !$this->_user->_file->fplock
146 //$level = $this->_user->_level;
147 $this->_user = UpgradeUser($this->_user,
148 new _FilePassUser($userid,
149 $this->_user->_prefs,
150 $this->_user->_file->filename));
151 //$this->_user->_level = $level;
153 $this->_prefs = & $this->_user->_prefs;
155 $user = WikiUser($userid);
156 $this->_user = & $user;
157 $this->_prefs = & $this->_user->_prefs;
160 $this->_user = new WikiUser($this, $userid);
161 $this->_prefs = $this->_user->getPreferences();
165 function initializeLang()
167 // check non-default pref lang
168 if (empty($this->_prefs->_prefs['lang']))
170 $_lang = $this->_prefs->_prefs['lang'];
171 if (isset($_lang->lang) and $_lang->lang != $GLOBALS['LANG']) {
172 $user_lang = $_lang->lang;
173 //check changed LANG and THEME inside a session.
174 // (e.g. by using another baseurl)
175 if (isset($this->_user->_authhow) and $this->_user->_authhow == 'session')
176 $user_lang = $GLOBALS['LANG'];
177 update_locale($user_lang);
178 FindLocalizedButtonFile(".", 'missing_ok', 'reinit');
180 //if (empty($_lang->lang) and $GLOBALS['LANG'] != $_lang->default_value) ;
183 function initializeTheme($when = 'default')
186 // if when = 'default', then first time init (default theme, ...)
187 // if when = 'login', then check some callbacks
188 // and maybe the theme changed (other theme defined in pref)
189 // if when = 'logout', then check other callbacks
190 // and maybe the theme changed (back to default theme)
192 // Load non-default theme (when = login)
193 if (!empty($this->_prefs->_prefs['theme'])) {
194 $_theme = $this->_prefs->_prefs['theme'];
195 if (isset($_theme) and isset($_theme->theme))
196 $user_theme = $_theme->theme;
197 elseif (isset($_theme) and isset($_theme->default_value))
198 $user_theme = $_theme->default_value; else
201 $user_theme = $this->getPref('theme');
203 //check changed LANG and THEME inside a session.
204 // (e.g. by using another baseurl)
205 if (isset($this->_user->_authhow)
206 and $this->_user->_authhow == 'session'
207 and !isset($_theme->theme)
209 and $user_theme != THEME
211 include_once 'themes/' . THEME . "/themeinfo.php";
213 if (empty($WikiTheme) and $user_theme) {
214 if (strcspn($user_theme, "./\x00]") != strlen($user_theme)) {
215 trigger_error(sprintf("invalid theme '%s': Invalid characters detected",
218 $user_theme = "default";
220 if (!$user_theme) $user_theme = "default";
221 include_once("themes/$user_theme/themeinfo.php");
223 if (empty($WikiTheme) and defined('THEME'))
224 include_once 'themes/' . THEME . "/themeinfo.php";
225 if (empty($WikiTheme))
226 include_once 'themes/default/themeinfo.php';
227 assert(!empty($WikiTheme));
229 // Do not execute global init code anymore
231 // WikiTheme callbacks
232 if ($when == 'login') {
233 $WikiTheme->CbUserLogin($this, $this->_user->_userid);
234 if (!$this->_user->hasHomePage()) { // NewUser
235 $WikiTheme->CbNewUserLogin($this, $this->_user->_userid);
236 if (in_array($this->getArg('action'), array('edit', 'create')))
237 $WikiTheme->CbNewUserEdit($this, $this->_user->_userid);
239 } elseif ($when == 'logout') {
240 $WikiTheme->CbUserLogout($this, $this->_user->_userid);
241 } elseif ($when == 'default') {
243 if ($this->_user->_level > 0 and !$this->_user->hasHomePage()) { // NewUser
244 if (in_array($this->getArg('action'), array('edit', 'create')))
245 $WikiTheme->CbNewUserEdit($this, $this->_user->_userid);
250 // This really maybe should be part of the constructor, but since it
251 // may involve HTML/template output, the global $request really needs
252 // to be initialized before we do this stuff.
253 // [50ms]: 36ms if wikidb_page::exists
254 function updateAuthAndPrefs()
257 if (isset($this->_user) and (!isa($this->_user, WikiUserClassname()))) {
258 $this->_user = false;
260 // Handle authentication request, if any.
261 if ($auth_args = $this->getArg('auth')) {
262 $this->setArg('auth', false);
263 $this->_handleAuthRequest($auth_args); // possible NORETURN
264 } elseif (!$this->_user
265 or (isa($this->_user, WikiUserClassname())
266 and !$this->_user->isSignedIn())
268 // If not auth request, try to sign in as saved user.
269 if (($saved_user = $this->getPref('userid')) != false) {
270 $this->_signIn($saved_user);
274 $action = $this->getArg('action');
276 // Save preferences in session and cookie
277 if ((defined('WIKI_XMLRPC') and !WIKI_XMLRPC) or $action != 'xmlrpc') {
278 if (isset($this->_user) and $this->_user->_userid) {
279 if (!isset($this->_user->_authhow) or $this->_user->_authhow != 'session') {
280 $this->_user->setPreferences($this->_prefs, true);
283 $tmpuser = $this->_user; // clone it
284 $this->setSessionVar('wiki_user', $tmpuser);
288 // Ensure user has permissions for action
289 // HACK ALERT: We may not set the request arg to create,
290 // since the pageeditor has an ugly logic for action == create.
291 if ($action == 'edit' or $action == 'create') {
292 $page = $this->getPage();
293 if (!$page->exists())
298 if (!ENABLE_PAGEPERM) { // Bug #1438392 by Matt Brown
299 $require_level = $this->requiredAuthority($action);
300 if (!$this->_user->hasAuthority($require_level))
301 $this->_notAuthorized($require_level); // NORETURN
303 // novatrope patch to let only _AUTHENTICATED view pages.
304 // If there's not enough authority or forbidden, ask for a password,
305 // unless it's explicitly unobtainable. Some bad magic though.
306 if ($this->requiredAuthorityForAction($action) == WIKIAUTH_UNOBTAINABLE) {
307 $require_level = $this->requiredAuthority($action);
308 $this->_notAuthorized($require_level); // NORETURN
315 if (isset($this->_user))
318 return $GLOBALS['ForbiddenUser'];
321 function & getGroup()
323 if (isset($this->_user) and isset($this->_user->_group))
324 return $this->_user->_group;
326 // Debug Strict: Only variable references should be returned by reference
327 $this->_user->_group = WikiGroup::getGroup();
328 return $this->_user->_group;
332 function & getPrefs()
334 return $this->_prefs;
337 // Convenience function:
338 function getPref($key)
340 if (isset($this->_prefs)) {
341 return $this->_prefs->get($key);
351 * Get requested page from the page database.
352 * By default it will grab the page requested via the URL
354 * This is a convenience function.
355 * @param string $pagename Name of page to get.
356 * @return WikiDB_Page Object with methods to pull data from
357 * database for the page requested.
359 function getPage($pagename = false)
361 //if (!isset($this->_dbi)) $this->getDbh();
363 $pagename = $this->getArg('pagename');
364 return $this->_dbi->getPage($pagename);
367 /** Get URL for POST actions.
369 * Officially, we should just use SCRIPT_NAME (or some such),
370 * but that causes problems when we try to issue a redirect, e.g.
371 * after saving a page.
373 * Some browsers (at least NS4 and Mozilla 0.97 won't accept
374 * a redirect from a page to itself.)
376 * So, as a HACK, we include pagename and action as query args in
377 * the URL. (These should be ignored when we receive the POST
380 function getPostURL($pagename = false)
382 global $HTTP_GET_VARS;
384 if ($pagename === false)
385 $pagename = $this->getArg('pagename');
386 $action = $this->getArg('action');
387 if (!empty($HTTP_GET_VARS['start_debug'])) // zend ide support
388 return WikiURL($pagename, array('action' => $action, 'start_debug' => 1));
389 elseif ($action == 'edit')
390 return WikiURL($pagename); else
391 return WikiURL($pagename, array('action' => $action));
394 function _handleAuthRequest($auth_args)
396 if (!is_array($auth_args))
399 // Ignore password unless POST'ed.
400 if (!$this->isPost())
401 unset($auth_args['passwd']);
403 $olduser = $this->_user;
404 $user = $this->_user->AuthCheck($auth_args);
405 if (is_string($user)) {
406 // Login attempt failed.
407 $fail_message = $user;
408 $auth_args['pass_required'] = true;
409 // if clicked just on to the "sign in as:" button dont print invalid username.
410 if (!empty($auth_args['login']) and empty($auth_args['userid']))
412 // If no password was submitted, it's not really
413 // a failure --- just need to prompt for password...
414 if (!ALLOW_USER_PASSWORDS
416 and !isset($auth_args['passwd'])
418 $fail_message = false;
420 $olduser->PrintLoginForm($this, $auth_args, $fail_message, 'newpage');
421 $this->finish(); //NORETURN
422 } elseif (isa($user, WikiUserClassname())) {
423 // Successful login (or logout.)
424 $this->_setUser($user);
426 // Login request cancelled.
431 * Attempt to sign in (bogo-login).
435 * @param $userid string Userid to attempt to sign in as.
438 function _signIn($userid)
440 if (ENABLE_USER_NEW) {
442 $this->_user = new _BogoUser($userid);
443 // FIXME: is this always false? shouldn't we try passuser first?
445 $this->_user = new _PassUser($userid);
448 $this->_user = new WikiUser($this, $userid);
450 $user = $this->_user->AuthCheck(array('userid' => $userid));
451 if (isa($user, WikiUserClassname())) {
452 $this->_setUser($user); // success!
456 // login or logout or restore state
457 function _setUser(&$user)
459 $this->_user =& $user;
460 if (defined('MAIN_setUser')) return; // don't set cookies twice
461 $this->setCookieVar(getCookieName(), $user->getAuthenticatedId(),
462 COOKIE_EXPIRATION_DAYS, COOKIE_DOMAIN);
463 $isSignedIn = $user->isSignedIn();
465 $user->_authhow = 'signin';
468 // Save userid to prefs..
469 if (empty($this->_user->_prefs)) {
470 $this->_user->_prefs = $this->_user->getPreferences();
471 $this->_prefs =& $this->_user->_prefs;
473 $this->_user->_group = $this->getGroup();
474 $this->setSessionVar('wiki_user', $user);
475 $this->_prefs->set('userid',
476 $isSignedIn ? $user->getId() : '');
477 if (!ENABLE_USER_NEW) {
478 if (empty($this->_user->_request))
479 $this->_user->_request =& $this;
480 if (empty($this->_user->_dbi))
481 $this->_user->_dbi =& $this->_dbi;
483 $this->initializeTheme($isSignedIn ? 'login' : 'logout');
484 define('MAIN_setUser', true);
487 /* Permission system */
488 function getLevelDescription($level)
490 static $levels = false;
491 if (!$levels) // This looks like a Visual Basic hack. For the very same reason. "0"
492 $levels = array('x-1' => _("FORBIDDEN"),
497 'x100' => _("UNOBTAINABLE"));
500 if (!empty($levels["x" . $level]))
501 return $levels["x" . $level];
506 function _notAuthorized($require_level)
508 // Display the authority message in the Wiki's default
509 // language, in case it is not english.
511 // Note that normally a user will not see such an error once
512 // logged in, unless the admin has altered the default
513 // disallowed wikiactions. In that case we should probably
514 // check the user's language prefs too at this point; this
515 // would be a situation which is not really handled with the
517 if (empty($GLOBALS['LANG']))
518 update_locale(DEFAULT_LANGUAGE);
520 // User does not have required authority. Prompt for login.
521 $what = $this->getActionDescription($this->getArg('action'));
522 $pass_required = ($require_level >= WIKIAUTH_USER);
523 if ($require_level == WIKIAUTH_UNOBTAINABLE) {
524 global $DisabledActions;
525 if ($DisabledActions and in_array($action, $DisabledActions)) {
526 $msg = fmt("%s is disallowed on this wiki.",
527 $this->getDisallowedActionDescription($this->getArg('action')));
531 // Is the reason a missing ACL or just wrong user or password?
532 if (class_exists('PagePermission')) {
533 $user =& $this->_user;
534 $status = $user->isAuthenticated() ? _("authenticated") : _("not authenticated");
535 $msg = fmt("%s %s %s is disallowed on this wiki for %s user '%s' (level: %s).",
536 _("Missing PagePermission:"),
537 action2access($this->getArg('action')),
538 $this->getArg('pagename'),
539 $status, $user->getId(), $this->getLevelDescription($user->_level));
540 // TODO: add link to action=setacl
541 $user->PrintLoginForm($this, compact('pass_required'), $msg);
545 $msg = fmt("%s is disallowed on this wiki.",
546 $this->getDisallowedActionDescription($this->getArg('action')));
547 $this->_user->PrintLoginForm($this, compact('require_level', 'pass_required'), $msg);
551 } elseif ($require_level == WIKIAUTH_BOGO)
552 $msg = fmt("You must sign in to %s.", $what); elseif ($require_level == WIKIAUTH_USER) {
553 // LoginForm should display the relevant messages...
555 /*if (!ALLOW_ANON_USER)
556 $msg = fmt("You must log in first to %s", $what);
558 $msg = fmt("You must log in to %s.", $what);
560 } elseif ($require_level == WIKIAUTH_ANON)
561 $msg = fmt("Access for you is forbidden to %s.", $what); else
562 $msg = fmt("You must be an administrator to %s.", $what);
564 $this->_user->PrintLoginForm($this, compact('require_level', 'pass_required'),
566 if (!$GLOBALS['WikiTheme']->DUMP_MODE)
567 $this->finish(); // NORETURN
570 // Fixme: for PagePermissions we'll need other strings,
571 // relevant to the requested page, not just for the action on the whole wiki.
572 function getActionDescription($action)
574 static $actionDescriptions;
575 if (!$actionDescriptions) {
577 = array('browse' => _("view this page"),
578 'diff' => _("diff this page"),
579 'dumphtml' => _("dump html pages"),
580 'dumpserial' => _("dump serial pages"),
581 'edit' => _("edit this page"),
582 'rename' => _("rename this page"),
583 'revert' => _("revert to a previous version of this page"),
584 'create' => _("create this page"),
585 'loadfile' => _("load files into this wiki"),
586 'lock' => _("lock this page"),
587 'purge' => _("purge this page"),
588 'remove' => _("remove this page"),
589 'unlock' => _("unlock this page"),
590 'upload' => _("upload a zip dump"),
591 'verify' => _("verify the current action"),
592 'viewsource' => _("view the source of this page"),
593 'xmlrpc' => _("access this wiki via XML-RPC"),
594 'soap' => _("access this wiki via SOAP"),
595 'zip' => _("download a zip dump from this wiki"),
596 'ziphtml' => _("download a html zip dump from this wiki")
599 if (in_array($action, array_keys($actionDescriptions)))
600 return $actionDescriptions[$action];
602 return _("use") . " " . $action;
606 TODO: check against these cases:
607 if ($DisabledActions and in_array($action, $DisabledActions))
608 return WIKIAUTH_UNOBTAINABLE;
610 if (ENABLE_PAGEPERM and class_exists("PagePermission")) {
611 return requiredAuthorityForPage($action);
613 => Browsing pages is disallowed on this wiki for authenticated user 'rurban' (level: BOGO).
615 function getDisallowedActionDescription($action)
617 static $disallowedActionDescriptions;
619 if (!$disallowedActionDescriptions) {
620 $disallowedActionDescriptions
621 = array('browse' => _("Browsing pages"),
622 'diff' => _("Diffing pages"),
623 'dumphtml' => _("Dumping html pages"),
624 'dumpserial' => _("Dumping serial pages"),
625 'edit' => _("Editing pages"),
626 'revert' => _("Reverting to a previous version of pages"),
627 'create' => _("Creating pages"),
628 'loadfile' => _("Loading files"),
629 'lock' => _("Locking pages"),
630 'purge' => _("Purging pages"),
631 'remove' => _("Removing pages"),
632 'unlock' => _("Unlocking pages"),
633 'upload' => _("Uploading zip dumps"),
634 'verify' => _("Verify the current action"),
635 'viewsource' => _("Viewing the source of pages"),
636 'xmlrpc' => _("XML-RPC access"),
637 'soap' => _("SOAP access"),
638 'zip' => _("Downloading zip dumps"),
639 'ziphtml' => _("Downloading html zip dumps")
642 if (in_array($action, array_keys($disallowedActionDescriptions)))
643 return $disallowedActionDescriptions[$action];
648 function requiredAuthority($action)
650 $auth = $this->requiredAuthorityForAction($action);
651 if (!ALLOW_ANON_USER) return WIKIAUTH_USER;
654 * This is a hook for plugins to require authority
655 * for posting to them.
657 * IMPORTANT: This is not a secure check, so the plugin
658 * may not assume that any POSTs to it are authorized.
659 * All this does is cause PhpWiki to prompt for login
660 * if the user doesn't have the required authority.
662 if ($this->isPost()) {
663 $post_auth = $this->getArg('require_authority_for_post');
664 if ($post_auth !== false)
665 $auth = max($auth, $post_auth);
670 function requiredAuthorityForAction($action)
672 global $DisabledActions;
674 if ($DisabledActions and in_array($action, $DisabledActions))
675 return WIKIAUTH_UNOBTAINABLE;
677 if (ENABLE_PAGEPERM and class_exists("PagePermission")) {
678 return requiredAuthorityForPage($action);
691 return WIKIAUTH_ANON;
696 if (INSECURE_ACTIONS_LOCALHOST_ONLY and !is_localhost())
697 return WIKIAUTH_ADMIN;
698 return WIKIAUTH_ANON;
702 return WIKIAUTH_ADMIN;
703 if (INSECURE_ACTIONS_LOCALHOST_ONLY and !is_localhost())
704 return WIKIAUTH_ADMIN;
705 return WIKIAUTH_ANON;
708 if (INSECURE_ACTIONS_LOCALHOST_ONLY and is_localhost())
709 return WIKIAUTH_ANON;
710 return WIKIAUTH_ADMIN;
714 return WIKIAUTH_ADMIN;
715 return WIKIAUTH_ANON;
720 if (defined('REQUIRE_SIGNIN_BEFORE_EDIT') && REQUIRE_SIGNIN_BEFORE_EDIT)
721 return WIKIAUTH_BOGO;
722 return WIKIAUTH_ANON;
723 // return WIKIAUTH_BOGO;
726 $page = $this->getPage();
727 $current = $page->getCurrentRevision();
728 if ($current->hasDefaultContents())
729 return $this->requiredAuthorityForAction('edit');
730 return $this->requiredAuthorityForAction('browse');
742 return WIKIAUTH_ADMIN;
744 /* authcheck occurs only in the plugin.
745 required actionpage RateIt */
748 case 'delete_rating':
749 // Perhaps this should be WIKIAUTH_USER
750 return WIKIAUTH_BOGO;
754 global $WikiNameRegexp;
755 if (preg_match("/$WikiNameRegexp\Z/A", $action))
756 return WIKIAUTH_ANON; // ActionPage.
758 return WIKIAUTH_ADMIN;
763 /* End of Permission system */
765 function possiblyDeflowerVirginWiki()
767 if ($this->getArg('action') != 'browse')
769 if ($this->getArg('pagename') != HOME_PAGE)
772 $page = $this->getPage();
773 $current = $page->getCurrentRevision();
774 if ($current->getVersion() > 0)
775 return; // Homepage exists.
777 include_once 'lib/loadsave.php';
778 $this->setArg('action', 'loadfile');
780 $this->finish(); // NORETURN
783 // [574ms] mainly template:printexpansion: 393ms and template::expandsubtemplate [100+70+60ms]
784 function handleAction()
786 // Check illegal characters in page names: <>[]{}|"
787 require_once 'lib/Template.php';
788 $page = $this->getPage();
789 $pagename = $page->getName();
790 if (strlen($pagename) > MAX_PAGENAME_LENGTH) {
791 $pagename = substr($pagename, 0, MAX_PAGENAME_LENGTH - 1) . '…';
792 $CONTENT = HTML::div(array('class' => 'error'),
793 _('Page name too long'));
794 GeneratePage($CONTENT, $pagename);
797 if (preg_match("/[<\[\{\|\"\}\]>]/", $pagename, $matches) > 0) {
798 $CONTENT = HTML::div(
799 array('class' => 'error'),
800 sprintf(_("Illegal character '%s' in page name."),
802 GeneratePage($CONTENT, $pagename);
805 $action = $this->getArg('action');
807 and !$this->_user->isAdmin()
808 and $action != 'browse'
809 and $action != 'wikitohtml'
811 if ($page->get('moderation')) {
812 require_once 'lib/WikiPlugin.php';
813 $loader = new WikiPluginLoader();
814 $plugin = $loader->getPlugin("ModeratedPage");
815 if ($plugin->handler($this, $page)) {
818 array('class' => 'wiki-edithelp'),
819 fmt("%s: action forwarded to a moderator.",
822 _("This action requires moderator approval. Please be patient."));
823 if (!empty($plugin->_tokens['CONTENT']))
824 $plugin->_tokens['CONTENT']->pushContent
827 _("You must wait for moderator approval."));
829 $plugin->_tokens['CONTENT'] = $CONTENT;
830 $title = WikiLink($page->getName());
831 $title->pushContent(' : ', WikiLink(_("ModeratedPage")));
832 GeneratePage(Template('browse', $plugin->_tokens),
834 $page->getCurrentRevision());
839 $method = "action_$action";
840 if (method_exists($this, $method)) {
842 } elseif ($page = $this->findActionPage($action)) {
843 $this->actionpage($page);
845 $this->finish(fmt("%s: Bad action", $action));
849 function finish($errormsg = false)
854 exit(); // just in case CloseDataBase calls us
857 global $ErrorManager;
858 $ErrorManager->flushPostponedErrors();
860 if (!empty($errormsg)) {
863 HTML::h2(_("Fatal PhpWiki Error")),
866 echo "\n</body></html>";
868 if (is_object($this->_user)) {
869 $this->_user->page = $this->getArg('pagename');
870 $this->_user->action = $this->getArg('action');
871 unset($this->_user->_HomePagehandle);
872 unset($this->_user->_auth_dbi);
873 unset($this->_user->_dbi);
874 unset($this->_user->_request);
881 * Generally pagename is rawurlencoded for older browsers or mozilla.
882 * Typing a pagename into the IE bar will utf-8 encode it, so we have to
883 * fix that with fixTitleEncoding().
884 * If USE_PATH_INFO = true, the pagename is stripped from the "/DATA_PATH/PageName&arg=value" line.
885 * If false, we support either "/index.php?pagename=PageName&arg=value",
886 * or the first arg (1.2.x style): "/index.php?PageName&arg=value"
888 function _deducePagename()
890 if (trim(rawurldecode($this->getArg('pagename'))))
891 return fixTitleEncoding(rawurldecode($this->getArg('pagename')));
894 $pathinfo = $this->get('PATH_INFO');
895 if (empty($pathinfo)) { // fix for CGI
896 $path = $this->get('REQUEST_URI');
897 $script = $this->get('SCRIPT_NAME');
898 $pathinfo = substr($path, strlen($script));
899 $pathinfo = preg_replace('/\?.+$/', '', $pathinfo);
901 $tail = substr($pathinfo, strlen(PATH_INFO_PREFIX));
903 if (trim($tail) != '' and $pathinfo == PATH_INFO_PREFIX . $tail) {
904 return fixTitleEncoding($tail);
906 } elseif ($this->isPost()) {
908 * In general, for security reasons, HTTP_GET_VARS should be ignored
909 * on POST requests, but we make an exception here (only for pagename).
911 * The justification for this hack is the following
912 * asymmetry: When POSTing with USE_PATH_INFO set, the
913 * pagename can (and should) be communicated through the
914 * request URL via PATH_INFO. When POSTing with
915 * USE_PATH_INFO off, this cannot be done --- the only way
916 * to communicate the pagename through the URL is via
917 * QUERY_ARGS (HTTP_GET_VARS).
919 global $HTTP_GET_VARS;
920 if (isset($HTTP_GET_VARS['pagename']) and trim($HTTP_GET_VARS['pagename'])) {
921 return fixTitleEncoding(rawurldecode($HTTP_GET_VARS['pagename']));
926 * Support for PhpWiki 1.2 style requests.
927 * Strip off "&" args (?PageName&action=...&start_debug,...)
929 $query_string = $this->get('QUERY_STRING');
930 if (trim(rawurldecode($query_string)) and preg_match('/^([^&=]+)(&.+)?$/', $query_string, $m)) {
931 return fixTitleEncoding(rawurldecode($m[1]));
934 return fixTitleEncoding(HOME_PAGE);
937 function _deduceAction()
939 if (!($action = $this->getArg('action'))) {
940 // TODO: improve this SOAP.php hack by letting SOAP use index.php
941 // or any other virtual url as with xmlrpc
942 if (defined('WIKI_SOAP') and WIKI_SOAP)
944 // Detect XML-RPC requests.
946 && ((defined("WIKI_XMLRPC") and WIKI_XMLRPC)
947 or ($this->get('CONTENT_TYPE') == 'text/xml'
948 or $this->get('CONTENT_TYPE') == 'application/xml')
949 && strstr($GLOBALS['HTTP_RAW_POST_DATA'], '<methodCall>'))
953 return 'browse'; // Default if no action specified.
956 if (method_exists($this, "action_$action"))
959 // Allow for, e.g. action=LikePages
960 if (isActionPage($action))
963 // Handle untranslated actionpages in non-english
964 // (people playing with switching languages)
965 if (0 and $GLOBALS['LANG'] != 'en') {
966 require_once 'lib/plugin/_WikiTranslation.php';
967 $trans = new WikiPlugin__WikiTranslation();
968 $en_action = $trans->translate($action, 'en', $GLOBALS['LANG']);
969 if (isActionPage($en_action))
973 trigger_error("$action: Unknown action", E_USER_NOTICE);
977 function _deduceUsername()
979 global $HTTP_SERVER_VARS, $HTTP_ENV_VARS;
981 if (!empty($this->args['auth']) and !empty($this->args['auth']['userid']))
982 return $this->args['auth']['userid'];
984 if ($user = $this->getSessionVar('wiki_user')) {
985 // Switched auth between sessions.
986 // Note: There's no way to demandload a missing class-definition
987 // afterwards! Stupid php.
988 if (defined('FUSIONFORGE') and FUSIONFORGE) {
989 if (empty($HTTP_SERVER_VARS['PHP_AUTH_USER'])) {
992 } elseif (isa($user, WikiUserClassname())) {
993 $this->_user = $user;
994 $this->_user->_authhow = 'session';
995 return ENABLE_USER_NEW ? $user->UserName() : $this->_user;
999 // Sessions override http auth
1000 if (!empty($HTTP_SERVER_VARS['PHP_AUTH_USER']))
1001 return $HTTP_SERVER_VARS['PHP_AUTH_USER'];
1003 if (!empty($HTTP_SERVER_VARS['REMOTE_USER']))
1004 return $HTTP_SERVER_VARS['REMOTE_USER'];
1005 if (!empty($HTTP_ENV_VARS['REMOTE_USER']))
1006 return $HTTP_ENV_VARS['REMOTE_USER'];
1008 if ($userid = $this->getCookieVar(getCookieName())) {
1009 if (!empty($userid) and substr($userid, 0, 2) != 's:') {
1010 $this->_user->authhow = 'cookie';
1015 if ($this->getArg('action') == 'xmlrpc') { // how about SOAP?
1016 if (empty($GLOBALS['HTTP_RAW_POST_DATA']))
1017 trigger_error("Wrong always_populate_raw_post_data = Off setting in your php.ini\nCannot use xmlrpc!", E_USER_ERROR);
1018 // wiki.putPage has special otional userid/passwd arguments. check that later.
1020 if (isset($HTTP_SERVER_VARS['REMOTE_USER']))
1021 $userid = $HTTP_SERVER_VARS['REMOTE_USER'];
1022 elseif (isset($HTTP_SERVER_VARS['REMOTE_ADDR']))
1023 $userid = $HTTP_SERVER_VARS['REMOTE_ADDR']; elseif (isset($HTTP_ENV_VARS['REMOTE_ADDR']))
1024 $userid = $HTTP_ENV_VARS['REMOTE_ADDR']; elseif (isset($GLOBALS['REMOTE_ADDR']))
1025 $userid = $GLOBALS['REMOTE_ADDR'];
1032 function findActionPage($action)
1035 if (!$action) return false;
1037 // check for translated version, as per users preferred language
1038 // (or system default in case it is not en)
1039 $translation = gettext($action);
1041 if (isset($cache) and isset($cache[$translation]))
1042 return $cache[$translation];
1044 // check for cached translated version
1045 if ($translation and isActionPage($translation))
1046 return $cache[$action] = $translation;
1048 // Allow for, e.g. action=LikePages
1049 if (!isWikiWord($action))
1050 return $cache[$action] = false;
1052 // check for translated version (default language)
1054 if ($LANG != "en") {
1055 require_once 'lib/WikiPlugin.php';
1056 require_once 'lib/plugin/_WikiTranslation.php';
1057 $trans = new WikiPlugin__WikiTranslation();
1058 $trans->lang = $LANG;
1059 $default = $trans->translate_to_en($action, $LANG);
1060 if ($default and isActionPage($default))
1061 return $cache[$action] = $default;
1063 $default = $translation;
1066 // check for english version
1067 if ($action != $translation and $action != $default) {
1068 if (isActionPage($action))
1069 return $cache[$action] = $action;
1072 trigger_error("$action: Cannot find action page", E_USER_NOTICE);
1073 return $cache[$action] = false;
1076 function action_browse()
1078 $this->buffer_output();
1079 include_once 'lib/display.php';
1083 function action_verify()
1085 $this->action_browse();
1088 function actionpage($action)
1090 $this->buffer_output();
1091 include_once 'lib/display.php';
1092 actionPage($this, $action);
1095 function adminActionSubpage($subpage)
1097 $page = _("PhpWikiAdministration") . "/" . $subpage;
1098 $action = $this->findActionPage($page);
1100 if (!$this->getArg('s'))
1101 $this->setArg('s', $this->getArg('pagename'));
1102 $this->setArg('verify', 1); // only for POST
1103 if ($this->getArg('action') != 'rename')
1104 $this->setArg('action', $action);
1105 elseif ($this->getArg('to') && empty($this->args['admin_rename'])) {
1106 $this->args['admin_rename']
1107 = array('from' => $this->getArg('s'),
1108 'to' => $this->getArg('to'),
1109 'action' => 'select');
1111 $this->actionpage($action);
1113 trigger_error($page . ": Cannot find action page", E_USER_WARNING);
1117 function action_chown()
1119 $this->adminActionSubpage(_("Chown"));
1122 function action_setacl()
1124 $this->adminActionSubpage(_("SetAcl"));
1127 function action_setaclsimple()
1129 $this->adminActionSubpage(_("SetAclSimple"));
1132 function action_rename()
1134 $this->adminActionSubpage(_("Rename"));
1137 function action_dump()
1139 $action = $this->findActionPage(_("PageDump"));
1141 $this->actionpage($action);
1143 // redirect to action=upgrade if admin?
1144 trigger_error(_("PageDump") . ": Cannot find action page", E_USER_WARNING);
1148 function action_diff()
1150 $this->buffer_output();
1151 include_once 'lib/diff.php';
1155 function action_search()
1157 // Decide between title or fulltextsearch (e.g. both buttons available).
1158 // Reformulate URL and redirect.
1159 $searchtype = $this->getArg('searchtype');
1160 $args = array('s' => $this->getArg('searchterm')
1161 ? $this->getArg('searchterm')
1162 : $this->getArg('s'));
1163 if ($searchtype == 'full' or $searchtype == 'fulltext') {
1164 $search_page = _("FullTextSearch");
1165 } elseif ($searchtype == 'external') {
1167 $link = new WikiPageName("Search:$s"); // Expand interwiki url. I use xapian-omega
1168 $this->redirect($link->url);
1170 $search_page = _("TitleSearch");
1171 $args['auto_redirect'] = 1;
1173 $this->redirect(WikiURL($search_page, $args, 'absolute_url'));
1176 function action_edit()
1178 $this->buffer_output();
1179 include 'lib/editpage.php';
1180 $e = new PageEditor ($this);
1184 function action_create()
1186 $this->action_edit();
1189 function action_viewsource()
1191 $this->buffer_output();
1192 include 'lib/editpage.php';
1193 $e = new PageEditor ($this);
1197 function action_lock()
1199 $page = $this->getPage();
1200 $page->set('locked', true);
1201 $this->_dbi->touch();
1202 // check ModeratedPage hook
1203 if ($moderated = $page->get('moderation')) {
1204 require_once 'lib/WikiPlugin.php';
1205 $plugin = WikiPluginLoader::getPlugin("ModeratedPage");
1206 if ($retval = $plugin->lock_check($this, $page, $moderated))
1207 $this->setArg('errormsg', $retval);
1208 } // check if a link to ModeratedPage exists
1209 elseif ($action_page = $page->existLink(_("ModeratedPage"))) {
1210 require_once 'lib/WikiPlugin.php';
1211 $plugin = WikiPluginLoader::getPlugin("ModeratedPage");
1212 if ($retval = $plugin->lock_add($this, $page, $action_page))
1213 $this->setArg('errormsg', $retval);
1215 $this->action_browse();
1218 function action_unlock()
1220 $page = $this->getPage();
1221 $page->set('locked', false);
1222 $this->_dbi->touch();
1223 $this->action_browse();
1226 function action_purge()
1228 $pagename = $this->getArg('pagename');
1229 if (strstr($pagename, _("PhpWikiAdministration"))) {
1230 $this->action_browse();
1232 include 'lib/purgepage.php';
1237 function action_remove()
1239 // This check is now redundant.
1240 //$user->requireAuth(WIKIAUTH_ADMIN);
1241 $pagename = $this->getArg('pagename');
1242 if (strstr($pagename, _("PhpWikiAdministration"))) {
1243 $this->action_browse();
1245 include 'lib/removepage.php';
1250 function action_xmlrpc()
1252 include_once 'lib/XmlRpcServer.php';
1253 $xmlrpc = new XmlRpcServer($this);
1257 function action_soap()
1259 if (defined("WIKI_SOAP") and WIKI_SOAP) // already loaded
1262 allow VIRTUAL_PATH or action=soap SOAP access
1264 include_once 'SOAP.php';
1267 function action_revert()
1269 include_once 'lib/loadsave.php';
1273 function action_zip()
1275 include_once 'lib/loadsave.php';
1279 function action_ziphtml()
1281 include_once 'lib/loadsave.php';
1282 MakeWikiZipHtml($this);
1283 // I don't think it hurts to add cruft at the end of the zip file.
1284 echo "\n========================================================\n";
1285 echo "PhpWiki " . PHPWIKI_VERSION . "\n";
1288 function action_dumpserial()
1290 include_once 'lib/loadsave.php';
1294 function action_dumphtml()
1296 include_once 'lib/loadsave.php';
1297 DumpHtmlToDir($this);
1300 function action_upload()
1302 include_once 'lib/loadsave.php';
1303 LoadPostFile($this);
1306 function action_upgrade()
1308 include_once 'lib/loadsave.php';
1309 include_once 'lib/upgrade.php';
1313 function action_loadfile()
1315 include_once 'lib/loadsave.php';
1316 LoadFileOrDir($this);
1319 function action_pdf()
1321 include_once 'lib/pdf.php';
1322 ConvertAndDisplayPdf($this);
1325 function action_captcha()
1327 include_once 'lib/Captcha.php';
1328 $captcha = new Captcha();
1329 $captcha->image($captcha->captchaword());
1332 function action_wikitohtml()
1334 include_once 'lib/WysiwygEdit/Wikiwyg.php';
1335 $wikitohtml = new WikiToHtml($this->getArg("content"), $this);
1336 $wikitohtml->send();
1339 function action_setpref()
1341 $what = $this->getArg('pref');
1342 $value = $this->getArg('value');
1343 $prefs =& $this->_user->_prefs;
1344 $prefs->set($what, $value);
1345 $num = $this->_user->setPreferences($prefs);
1349 //FIXME: deprecated with ENABLE_PAGEPERM (?)
1350 function is_safe_action($action)
1353 return $request->requiredAuthorityForAction($action) < WIKIAUTH_ADMIN;
1356 function validateSessionPath()
1358 // Try to defer any session.save_path PHP errors before any html
1359 // is output, which causes some versions of IE to display a blank
1360 // page (due to its strict mode while parsing a page?).
1361 if (!is_writeable(ini_get('session.save_path'))) {
1362 $tmpdir = (defined('SESSION_SAVE_PATH') and SESSION_SAVE_PATH) ? SESSION_SAVE_PATH : '/tmp';
1363 if (!is_writeable($tmpdir))
1366 (sprintf(_("%s is not writable."),
1367 _("The session.save_path directory"))
1369 . sprintf(_("Please ensure that %s is writable, or redefine %s in config/config.ini."),
1370 sprintf(_("the session.save_path directory '%s'"),
1371 ini_get('session.save_path')),
1372 'SESSION_SAVE_PATH')
1374 . sprintf(_("Attempting to use the directory '%s' instead."),
1377 if (!is_writeable($tmpdir)) {
1379 (sprintf(_("%s is not writable."), $tmpdir)
1381 . _("Users will not be able to sign in.")
1384 @ini_set('session.save_path', $tmpdir);
1391 // latest supported: Red Hat Enterprise Linux ES release 4
1392 if (version_compare(PHP_VERSION, '4.3.9', '<')) {
1393 exit(_("Your PHP version is too old. You must have at least PHP 4.3.9"));
1396 if (!USE_DB_SESSION)
1397 validateSessionPath();
1400 if ((DEBUG & _DEBUG_APD) and extension_loaded("apd")) {
1401 //apd_set_session_trace(9);
1402 apd_set_pprof_trace();
1405 // Postpone warnings
1406 global $ErrorManager;
1407 if (defined('E_STRICT')) // and (E_ALL & E_STRICT)) // strict php5?
1408 $ErrorManager->setPostponedErrorMask(E_NOTICE | E_USER_NOTICE | E_USER_WARNING | E_WARNING | E_STRICT | ((check_php_version(5, 3)) ? E_DEPRECATED : 0));
1410 $ErrorManager->setPostponedErrorMask(E_NOTICE | E_USER_NOTICE | E_USER_WARNING | E_WARNING);
1411 $request = new WikiRequest();
1413 $action = $request->getArg('action');
1414 if (substr($action, 0, 3) != 'zip') {
1415 if ($action == 'pdf')
1416 $ErrorManager->setPostponedErrorMask(-1); // everything
1417 //else // reject postponing of warnings
1418 // $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE);
1422 * Allow for disabling of markup cache.
1423 * (Mostly for debugging ... hopefully.)
1425 * See also <<WikiAdminUtils action=purge-cache>>
1427 if (!defined('WIKIDB_NOCACHE_MARKUP')) {
1428 if ($request->getArg('nocache')) // 1 or purge
1429 define('WIKIDB_NOCACHE_MARKUP', $request->getArg('nocache'));
1431 define('WIKIDB_NOCACHE_MARKUP', false); // redundant, but explicit
1434 // Initialize with system defaults in case user not logged in.
1435 // Should this go into the constructor?
1436 $request->initializeTheme('default');
1437 $request->updateAuthAndPrefs();
1438 $request->initializeLang();
1441 //if ($user->is_authenticated())
1442 // $LogEntry->user = $user->getId();
1444 // Memory optimization:
1445 // http://www.procata.com/blog/archives/2004/05/27/rephlux-and-php-memory-usage/
1446 // kill the global PEAR _PEAR_destructor_object_list
1447 if (!empty($_PEAR_destructor_object_list))
1448 $_PEAR_destructor_object_list = array();
1449 $request->possiblyDeflowerVirginWiki();
1451 $validators = array('wikiname' => WIKI_NAME,
1452 'args' => wikihash($request->getArgs()),
1453 'prefs' => wikihash($request->getPrefs()));
1454 if (CACHE_CONTROL == 'STRICT') {
1455 $dbi = $request->getDbh();
1456 $timestamp = $dbi->getTimestamp();
1457 $validators['mtime'] = $timestamp;
1458 $validators['%mtime'] = (int)$timestamp;
1460 // FIXME: we should try to generate strong validators when possible,
1461 // but for now, our validator is weak, since equal validators do not
1462 // indicate byte-level equality of content. (Due to DEBUG timing output, etc...)
1464 // (If DEBUG if off, this may be a strong validator, but I'm going
1465 // to go the paranoid route here pending further study and testing.)
1466 // access hits and edit stats in the footer violate strong ETags also.
1468 $validators['%weak'] = true;
1470 $request->setValidators($validators);
1472 $request->handleAction();
1474 if (DEBUG and DEBUG & _DEBUG_INFO) phpinfo(INFO_VARIABLES | INFO_MODULES);
1478 if ((!FUSIONFORGE) || (forge_get_config('installation_environment') != 'production')) {
1479 if (defined('E_STRICT') and (E_ALL & E_STRICT)) // strict php5?
1480 error_reporting(E_ALL & ~E_STRICT); // exclude E_STRICT
1482 error_reporting(E_ALL); // php4
1484 error_reporting(E_ERROR);
1487 // don't run the main loop for special requests (test, getimg, xmlrpc, soap, ...)
1488 if (!defined('PHPWIKI_NOMAIN') or !PHPWIKI_NOMAIN)
1494 // c-basic-offset: 4
1495 // c-hanging-comment-ender-p: nil
1496 // indent-tabs-mode: nil