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 ā%sā: 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 = '')
362 $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 $action = $this->getArg('action');
522 $what = $this->getActionDescription($action);
523 $pass_required = ($require_level >= WIKIAUTH_USER);
524 if ($require_level == WIKIAUTH_UNOBTAINABLE) {
525 global $DisabledActions;
526 if ($DisabledActions and in_array($action, $DisabledActions)) {
527 $msg = fmt("%s is disallowed on this wiki.",
528 $this->getDisallowedActionDescription($this->getArg('action')));
529 $this->_user->PrintLoginForm($this, compact('require_level'), $msg);
533 // Is the reason a missing ACL or just wrong user or password?
534 if (class_exists('PagePermission')) {
535 $user =& $this->_user;
536 $status = $user->isAuthenticated() ? _("authenticated") : _("not authenticated");
537 $msg = fmt("%s %s %s is disallowed on this wiki for %s user ā%sā (level: %s).",
538 _("Missing PagePermission:"),
539 action2access($this->getArg('action')),
540 $this->getArg('pagename'),
541 $status, $user->getId(), $this->getLevelDescription($user->_level));
542 // TODO: add link to action=setacl
543 $user->PrintLoginForm($this, compact('pass_required'), $msg);
547 $msg = fmt("%s is disallowed on this wiki.",
548 $this->getDisallowedActionDescription($this->getArg('action')));
549 $this->_user->PrintLoginForm($this, compact('require_level', 'pass_required'), $msg);
553 } elseif ($require_level == WIKIAUTH_BOGO)
554 $msg = fmt("You must sign in to %s.", $what); elseif ($require_level == WIKIAUTH_USER) {
555 // LoginForm should display the relevant messages...
557 /*if (!ALLOW_ANON_USER)
558 $msg = fmt("You must log in first to %s", $what);
560 $msg = fmt("You must log in to %s.", $what);
562 } elseif ($require_level == WIKIAUTH_ANON)
563 $msg = fmt("Access for you is forbidden to %s.", $what); else
564 $msg = fmt("You must be an administrator to %s.", $what);
566 $this->_user->PrintLoginForm($this, compact('require_level', 'pass_required'),
568 if (!$GLOBALS['WikiTheme']->DUMP_MODE)
569 $this->finish(); // NORETURN
572 // Fixme: for PagePermissions we'll need other strings,
573 // relevant to the requested page, not just for the action on the whole wiki.
574 function getActionDescription($action)
576 static $actionDescriptions;
577 if (!$actionDescriptions) {
579 = array('browse' => _("view this page"),
580 'diff' => _("diff this page"),
581 'dumphtml' => _("dump html pages"),
582 'dumpserial' => _("dump serial pages"),
583 'edit' => _("edit this page"),
584 'rename' => _("rename this page"),
585 'revert' => _("revert to a previous version of this page"),
586 'create' => _("create this page"),
587 'loadfile' => _("load files into this wiki"),
588 'lock' => _("lock this page"),
589 'purge' => _("purge this page"),
590 'remove' => _("remove this page"),
591 'unlock' => _("unlock this page"),
592 'upload' => _("upload a zip dump"),
593 'verify' => _("verify the current action"),
594 'viewsource' => _("view the source of this page"),
595 'xmlrpc' => _("access this wiki via XML-RPC"),
596 'soap' => _("access this wiki via SOAP"),
597 'zip' => _("download a zip dump from this wiki"),
598 'ziphtml' => _("download a html zip dump from this wiki")
601 if (in_array($action, array_keys($actionDescriptions)))
602 return $actionDescriptions[$action];
604 return _("use") . " " . $action;
608 TODO: check against these cases:
609 if ($DisabledActions and in_array($action, $DisabledActions))
610 return WIKIAUTH_UNOBTAINABLE;
612 if (ENABLE_PAGEPERM and class_exists("PagePermission")) {
613 return requiredAuthorityForPage($action);
615 => Browsing pages is disallowed on this wiki for authenticated user 'rurban' (level: BOGO).
617 function getDisallowedActionDescription($action)
619 static $disallowedActionDescriptions;
621 if (!$disallowedActionDescriptions) {
622 $disallowedActionDescriptions
623 = array('browse' => _("Browsing pages"),
624 'diff' => _("Diffing pages"),
625 'dumphtml' => _("Dumping html pages"),
626 'dumpserial' => _("Dumping serial pages"),
627 'edit' => _("Editing pages"),
628 'revert' => _("Reverting to a previous version of pages"),
629 'create' => _("Creating pages"),
630 'loadfile' => _("Loading files"),
631 'lock' => _("Locking pages"),
632 'purge' => _("Purging pages"),
633 'remove' => _("Removing pages"),
634 'unlock' => _("Unlocking pages"),
635 'upload' => _("Uploading zip dumps"),
636 'verify' => _("Verify the current action"),
637 'viewsource' => _("Viewing the source of pages"),
638 'xmlrpc' => _("XML-RPC access"),
639 'soap' => _("SOAP access"),
640 'zip' => _("Downloading zip dumps"),
641 'ziphtml' => _("Downloading html zip dumps")
644 if (in_array($action, array_keys($disallowedActionDescriptions)))
645 return $disallowedActionDescriptions[$action];
650 function requiredAuthority($action)
652 $auth = $this->requiredAuthorityForAction($action);
653 if (!ALLOW_ANON_USER) return WIKIAUTH_USER;
656 * This is a hook for plugins to require authority
657 * for posting to them.
659 * IMPORTANT: This is not a secure check, so the plugin
660 * may not assume that any POSTs to it are authorized.
661 * All this does is cause PhpWiki to prompt for login
662 * if the user doesn't have the required authority.
664 if ($this->isPost()) {
665 $post_auth = $this->getArg('require_authority_for_post');
666 if ($post_auth !== false)
667 $auth = max($auth, $post_auth);
672 function requiredAuthorityForAction($action)
674 global $DisabledActions;
676 if ($DisabledActions and in_array($action, $DisabledActions))
677 return WIKIAUTH_UNOBTAINABLE;
679 if (ENABLE_PAGEPERM and class_exists("PagePermission")) {
680 return requiredAuthorityForPage($action);
693 return WIKIAUTH_ANON;
698 if (INSECURE_ACTIONS_LOCALHOST_ONLY and !is_localhost())
699 return WIKIAUTH_ADMIN;
700 return WIKIAUTH_ANON;
704 return WIKIAUTH_ADMIN;
705 if (INSECURE_ACTIONS_LOCALHOST_ONLY and !is_localhost())
706 return WIKIAUTH_ADMIN;
707 return WIKIAUTH_ANON;
710 if (INSECURE_ACTIONS_LOCALHOST_ONLY and is_localhost())
711 return WIKIAUTH_ANON;
712 return WIKIAUTH_ADMIN;
716 return WIKIAUTH_ADMIN;
717 return WIKIAUTH_ANON;
722 if (defined('REQUIRE_SIGNIN_BEFORE_EDIT') && REQUIRE_SIGNIN_BEFORE_EDIT)
723 return WIKIAUTH_BOGO;
724 return WIKIAUTH_ANON;
725 // return WIKIAUTH_BOGO;
728 $page = $this->getPage();
729 $current = $page->getCurrentRevision();
730 if ($current->hasDefaultContents())
731 return $this->requiredAuthorityForAction('edit');
732 return $this->requiredAuthorityForAction('browse');
745 return WIKIAUTH_ADMIN;
747 /* authcheck occurs only in the plugin.
748 required actionpage RateIt */
751 case 'delete_rating':
752 // Perhaps this should be WIKIAUTH_USER
753 return WIKIAUTH_BOGO;
757 global $WikiNameRegexp;
758 if (preg_match("/$WikiNameRegexp\Z/A", $action))
759 return WIKIAUTH_ANON; // ActionPage.
761 return WIKIAUTH_ADMIN;
766 /* End of Permission system */
768 function possiblyDeflowerVirginWiki()
770 if ($this->getArg('action') != 'browse')
772 if ($this->getArg('pagename') != HOME_PAGE)
775 $page = $this->getPage();
776 $current = $page->getCurrentRevision();
777 if ($current->getVersion() > 0)
778 return; // Homepage exists.
780 include_once 'lib/loadsave.php';
781 $this->setArg('action', 'loadfile');
783 $this->finish(); // NORETURN
786 // [574ms] mainly template:printexpansion: 393ms and template::expandsubtemplate [100+70+60ms]
787 function handleAction()
789 // Check illegal characters in page names: <>[]{}|"
790 require_once 'lib/Template.php';
791 $page = $this->getPage();
792 $pagename = $page->getName();
793 if (strlen($pagename) > MAX_PAGENAME_LENGTH) {
794 $pagename = substr($pagename, 0, MAX_PAGENAME_LENGTH - 1) . 'ā¦';
795 $CONTENT = HTML::div(array('class' => 'error'),
796 _('Page name too long'));
797 GeneratePage($CONTENT, $pagename);
800 if (preg_match("/[<\[\{\|\"\}\]>]/", $pagename, $matches) > 0) {
801 $CONTENT = HTML::div(
802 array('class' => 'error'),
803 sprintf(_("Illegal character ā%sā in page name."),
805 GeneratePage($CONTENT, $pagename);
808 $action = $this->getArg('action');
810 and !$this->_user->isAdmin()
811 and $action != 'browse'
812 and $action != 'wikitohtml'
814 if ($page->get('moderation')) {
815 require_once 'lib/WikiPlugin.php';
816 $loader = new WikiPluginLoader();
817 $plugin = $loader->getPlugin("ModeratedPage");
818 if ($plugin->handler($this, $page)) {
821 array('class' => 'wiki-edithelp'),
822 fmt("%s: action forwarded to a moderator.",
825 _("This action requires moderator approval. Please be patient."));
826 if (!empty($plugin->_tokens['CONTENT']))
827 $plugin->_tokens['CONTENT']->pushContent
830 _("You must wait for moderator approval."));
832 $plugin->_tokens['CONTENT'] = $CONTENT;
833 $title = WikiLink($page->getName());
834 $title->pushContent(' : ', WikiLink(_("ModeratedPage")));
835 GeneratePage(Template('browse', $plugin->_tokens),
837 $page->getCurrentRevision());
842 $method = "action_$action";
843 if (method_exists($this, $method)) {
845 } elseif ($page = $this->findActionPage($action)) {
846 $this->actionpage($page);
848 $this->finish(fmt("%s: Bad action", $action));
852 function finish($errormsg = false)
857 exit(); // just in case CloseDataBase calls us
860 global $ErrorManager;
861 $ErrorManager->flushPostponedErrors();
863 if (!empty($errormsg)) {
866 HTML::h2(_("Fatal PhpWiki Error")),
869 echo "\n</body></html>";
871 if (is_object($this->_user)) {
872 $this->_user->page = $this->getArg('pagename');
873 $this->_user->action = $this->getArg('action');
874 unset($this->_user->_HomePagehandle);
875 unset($this->_user->_auth_dbi);
876 unset($this->_user->_dbi);
877 unset($this->_user->_request);
884 * Generally pagename is rawurlencoded for older browsers or mozilla.
885 * Typing a pagename into the IE bar will utf-8 encode it, so we have to
886 * fix that with fixTitleEncoding().
887 * If USE_PATH_INFO = true, the pagename is stripped from the "/DATA_PATH/PageName&arg=value" line.
888 * If false, we support either "/index.php?pagename=PageName&arg=value",
889 * or the first arg (1.2.x style): "/index.php?PageName&arg=value"
891 function _deducePagename()
893 if (trim(rawurldecode($this->getArg('pagename'))))
894 return fixTitleEncoding(rawurldecode($this->getArg('pagename')));
897 $pathinfo = $this->get('PATH_INFO');
898 if (empty($pathinfo)) { // fix for CGI
899 $path = $this->get('REQUEST_URI');
900 $script = $this->get('SCRIPT_NAME');
901 $pathinfo = substr($path, strlen($script));
902 $pathinfo = preg_replace('/\?.+$/', '', $pathinfo);
904 $tail = substr($pathinfo, strlen(PATH_INFO_PREFIX));
906 if (trim($tail) != '' and $pathinfo == PATH_INFO_PREFIX . $tail) {
907 return fixTitleEncoding($tail);
909 } elseif ($this->isPost()) {
911 * In general, for security reasons, HTTP_GET_VARS should be ignored
912 * on POST requests, but we make an exception here (only for pagename).
914 * The justification for this hack is the following
915 * asymmetry: When POSTing with USE_PATH_INFO set, the
916 * pagename can (and should) be communicated through the
917 * request URL via PATH_INFO. When POSTing with
918 * USE_PATH_INFO off, this cannot be done --- the only way
919 * to communicate the pagename through the URL is via
920 * QUERY_ARGS (HTTP_GET_VARS).
922 global $HTTP_GET_VARS;
923 if (isset($HTTP_GET_VARS['pagename']) and trim($HTTP_GET_VARS['pagename'])) {
924 return fixTitleEncoding(rawurldecode($HTTP_GET_VARS['pagename']));
929 * Support for PhpWiki 1.2 style requests.
930 * Strip off "&" args (?PageName&action=...&start_debug,...)
932 $query_string = $this->get('QUERY_STRING');
933 if (trim(rawurldecode($query_string)) and preg_match('/^([^&=]+)(&.+)?$/', $query_string, $m)) {
934 return fixTitleEncoding(rawurldecode($m[1]));
937 return fixTitleEncoding(HOME_PAGE);
940 function _deduceAction()
942 if (!($action = $this->getArg('action'))) {
943 // TODO: improve this SOAP.php hack by letting SOAP use index.php
944 // or any other virtual url as with xmlrpc
945 if (defined('WIKI_SOAP') and WIKI_SOAP)
947 // Detect XML-RPC requests.
949 && ((defined("WIKI_XMLRPC") and WIKI_XMLRPC)
950 or ($this->get('CONTENT_TYPE') == 'text/xml'
951 or $this->get('CONTENT_TYPE') == 'application/xml')
952 && strstr($GLOBALS['HTTP_RAW_POST_DATA'], '<methodCall>'))
956 return 'browse'; // Default if no action specified.
959 if (method_exists($this, "action_$action"))
962 // Allow for, e.g. action=LikePages
963 if (isActionPage($action))
966 // Handle untranslated actionpages in non-english
967 // (people playing with switching languages)
968 if (0 and $GLOBALS['LANG'] != 'en') {
969 require_once 'lib/plugin/WikiTranslation.php';
970 $trans = new WikiPlugin_WikiTranslation();
971 $en_action = $trans->translate($action, 'en', $GLOBALS['LANG']);
972 if (isActionPage($en_action))
976 trigger_error("$action: Unknown action", E_USER_NOTICE);
980 function _deduceUsername()
982 global $HTTP_ENV_VARS;
984 if ($this->getArg('auth')) {
985 $auth = $this->getArg('auth');
986 if ($auth['userid']) {
987 return $auth['userid'];
991 if ($user = $this->getSessionVar('wiki_user')) {
992 // Switched auth between sessions.
993 // Note: There's no way to demandload a missing class-definition
994 // afterwards! Stupid php.
995 if (defined('FUSIONFORGE') and FUSIONFORGE) {
996 if (empty($_SERVER['PHP_AUTH_USER'])) {
999 } elseif (isa($user, WikiUserClassname())) {
1000 $this->_user = $user;
1001 $this->_user->_authhow = 'session';
1002 return ENABLE_USER_NEW ? $user->UserName() : $this->_user;
1006 // Sessions override http auth
1007 if (!empty($_SERVER['PHP_AUTH_USER']))
1008 return $_SERVER['PHP_AUTH_USER'];
1010 if (!empty($_SERVER['REMOTE_USER']))
1011 return $_SERVER['REMOTE_USER'];
1012 if (!empty($HTTP_ENV_VARS['REMOTE_USER']))
1013 return $HTTP_ENV_VARS['REMOTE_USER'];
1015 if ($userid = $this->getCookieVar(getCookieName())) {
1016 if (!empty($userid) and substr($userid, 0, 2) != 's:') {
1017 $this->_user->authhow = 'cookie';
1022 if ($this->getArg('action') == 'xmlrpc') { // how about SOAP?
1023 if (empty($GLOBALS['HTTP_RAW_POST_DATA']))
1024 trigger_error("Wrong always_populate_raw_post_data = Off setting in your php.ini\nCannot use xmlrpc!", E_USER_ERROR);
1025 // wiki.putPage has special otional userid/passwd arguments. check that later.
1027 if (isset($_SERVER['REMOTE_USER']))
1028 $userid = $_SERVER['REMOTE_USER'];
1029 elseif (isset($_SERVER['REMOTE_ADDR']))
1030 $userid = $_SERVER['REMOTE_ADDR']; elseif (isset($HTTP_ENV_VARS['REMOTE_ADDR']))
1031 $userid = $HTTP_ENV_VARS['REMOTE_ADDR']; elseif (isset($GLOBALS['REMOTE_ADDR']))
1032 $userid = $GLOBALS['REMOTE_ADDR'];
1039 function findActionPage($action)
1042 if (!$action) return false;
1044 if (isActionPage($action))
1045 return $cache[$action] = $action;
1047 // check for translated version, as per users preferred language
1048 // (or system default in case it is not en)
1049 $translation = gettext($action);
1051 if (isset($cache) and isset($cache[$translation]))
1052 return $cache[$translation];
1054 // check for cached translated version
1055 if ($translation and isActionPage($translation))
1056 return $cache[$action] = $translation;
1058 // Allow for, e.g. action=LikePages
1059 if (!isWikiWord($action))
1060 return $cache[$action] = false;
1062 // check for translated version (default language)
1064 if ($LANG != "en") {
1065 require_once 'lib/WikiPlugin.php';
1066 require_once 'lib/plugin/WikiTranslation.php';
1067 $trans = new WikiPlugin_WikiTranslation();
1068 $trans->lang = $LANG;
1069 $default = $trans->translate_to_en($action, $LANG);
1070 if ($default and isActionPage($default))
1071 return $cache[$action] = $default;
1073 $default = $translation;
1076 // check for english version
1077 if ($action != $translation and $action != $default) {
1078 if (isActionPage($action))
1079 return $cache[$action] = $action;
1082 trigger_error("$action: Cannot find action page", E_USER_NOTICE);
1083 return $cache[$action] = false;
1086 function action_browse()
1088 $this->buffer_output();
1089 include_once 'lib/display.php';
1093 function action_verify()
1095 $this->action_browse();
1098 function actionpage($action)
1100 $this->buffer_output();
1101 include_once 'lib/display.php';
1102 actionPage($this, $action);
1105 function adminActionSubpage($subpage)
1107 $page = __("PhpWikiAdministration") . "/" . $subpage;
1108 $action = $this->findActionPage($page);
1110 if (!$this->getArg('s'))
1111 $this->setArg('s', $this->getArg('pagename'));
1112 $this->setArg('verify', 1); // only for POST
1113 if ($this->getArg('action') != 'rename')
1114 $this->setArg('action', $action);
1115 elseif ($this->getArg('to') && !$this->getArg('admin_rename')) {
1116 $this->setArg('admin_rename',
1117 array('from' => $this->getArg('s'),
1118 'to' => $this->getArg('to'),
1119 'action' => 'select'));
1121 $this->actionpage($action);
1123 trigger_error($page . ": Cannot find action page", E_USER_WARNING);
1127 function action_chown()
1129 $this->adminActionSubpage(__("Chown"));
1132 function action_setacl()
1134 $this->adminActionSubpage(__("SetAcl"));
1137 function action_setaclsimple()
1139 $this->adminActionSubpage(__("SetAclSimple"));
1142 function action_deleteacl()
1144 $this->adminActionSubpage(__("DeleteAcl"));
1147 function action_rename()
1149 $this->adminActionSubpage(__("Rename"));
1152 function action_dump()
1154 $action = $this->findActionPage(_("PageDump"));
1156 $this->actionpage($action);
1158 // redirect to action=upgrade if admin?
1159 trigger_error(_("PageDump") . ": Cannot find action page", E_USER_WARNING);
1163 function action_diff()
1165 $this->buffer_output();
1166 include_once 'lib/diff.php';
1170 function action_search()
1172 // Decide between title or fulltextsearch (e.g. both buttons available).
1173 // Reformulate URL and redirect.
1174 $searchtype = $this->getArg('searchtype');
1175 $args = array('s' => $this->getArg('searchterm')
1176 ? $this->getArg('searchterm')
1177 : $this->getArg('s'));
1178 if ($searchtype == 'full' or $searchtype == 'fulltext') {
1179 $search_page = _("FullTextSearch");
1180 } elseif ($searchtype == 'external') {
1182 $link = new WikiPageName("Search:$s"); // Expand interwiki url. I use xapian-omega
1183 $this->redirect($link->url);
1185 $search_page = _("TitleSearch");
1186 $args['auto_redirect'] = 1;
1188 $this->redirect(WikiURL($search_page, $args, 'absolute_url'));
1191 function action_edit()
1193 $this->buffer_output();
1194 include 'lib/editpage.php';
1195 $e = new PageEditor ($this);
1199 function action_create()
1201 $this->action_edit();
1204 function action_viewsource()
1206 $this->buffer_output();
1207 include 'lib/editpage.php';
1208 $e = new PageEditor ($this);
1212 function action_lock()
1214 $page = $this->getPage();
1215 $page->set('locked', true);
1216 $this->_dbi->touch();
1217 // check ModeratedPage hook
1218 if ($moderated = $page->get('moderation')) {
1219 require_once 'lib/WikiPlugin.php';
1220 $plugin = WikiPluginLoader::getPlugin("ModeratedPage");
1221 if ($retval = $plugin->lock_check($this, $page, $moderated))
1222 $this->setArg('errormsg', $retval);
1223 } // check if a link to ModeratedPage exists
1224 elseif ($action_page = $page->existLink(_("ModeratedPage"))) {
1225 require_once 'lib/WikiPlugin.php';
1226 $plugin = WikiPluginLoader::getPlugin("ModeratedPage");
1227 if ($retval = $plugin->lock_add($this, $page, $action_page))
1228 $this->setArg('errormsg', $retval);
1230 $this->action_browse();
1233 function action_unlock()
1235 $page = $this->getPage();
1236 $page->set('locked', false);
1237 $this->_dbi->touch();
1238 $this->action_browse();
1241 function action_purge()
1243 $pagename = $this->getArg('pagename');
1244 if (strstr($pagename, _("PhpWikiAdministration"))) {
1245 $this->action_browse();
1247 include 'lib/purgepage.php';
1252 function action_remove()
1254 // This check is now redundant.
1255 //$user->requireAuth(WIKIAUTH_ADMIN);
1256 $pagename = $this->getArg('pagename');
1257 if (strstr($pagename, _("PhpWikiAdministration"))) {
1258 $this->action_browse();
1260 include 'lib/removepage.php';
1265 function action_xmlrpc()
1267 include_once 'lib/XmlRpcServer.php';
1268 $xmlrpc = new XmlRpcServer($this);
1272 function action_soap()
1274 if (defined("WIKI_SOAP") and WIKI_SOAP) // already loaded
1277 allow VIRTUAL_PATH or action=soap SOAP access
1279 include_once 'SOAP.php';
1282 function action_revert()
1284 include_once 'lib/loadsave.php';
1288 function action_zip()
1290 include_once 'lib/loadsave.php';
1294 function action_ziphtml()
1296 include_once 'lib/loadsave.php';
1297 MakeWikiZipHtml($this);
1298 // I don't think it hurts to add cruft at the end of the zip file.
1299 echo "\n========================================================\n";
1300 echo "PhpWiki " . PHPWIKI_VERSION . "\n";
1303 function action_dumpserial()
1305 include_once 'lib/loadsave.php';
1309 function action_dumphtml()
1311 include_once 'lib/loadsave.php';
1312 DumpHtmlToDir($this);
1315 function action_upload()
1317 include_once 'lib/loadsave.php';
1318 LoadPostFile($this);
1321 function action_upgrade()
1323 include_once 'lib/loadsave.php';
1324 include_once 'lib/upgrade.php';
1328 function action_loadfile()
1330 include_once 'lib/loadsave.php';
1331 LoadFileOrDir($this);
1334 function action_pdf()
1336 include_once 'lib/pdf.php';
1337 ConvertAndDisplayPdf($this);
1340 function action_captcha()
1342 include_once 'lib/Captcha.php';
1343 $captcha = new Captcha();
1344 $captcha->image($captcha->captchaword());
1347 function action_wikitohtml()
1349 include_once 'lib/WysiwygEdit/Wikiwyg.php';
1350 $wikitohtml = new WikiToHtml($this->getArg("content"), $this);
1351 $wikitohtml->send();
1354 function action_setpref()
1356 $what = $this->getArg('pref');
1357 $value = $this->getArg('value');
1358 $prefs =& $this->_user->_prefs;
1359 $prefs->set($what, $value);
1360 $this->_user->setPreferences($prefs);
1364 //FIXME: deprecated with ENABLE_PAGEPERM (?)
1365 function is_safe_action($action)
1368 return $request->requiredAuthorityForAction($action) < WIKIAUTH_ADMIN;
1371 function validateSessionPath()
1373 // Try to defer any session.save_path PHP errors before any html
1374 // is output, which causes some versions of IE to display a blank
1375 // page (due to its strict mode while parsing a page?).
1376 if (!is_writeable(ini_get('session.save_path'))) {
1377 $tmpdir = (defined('SESSION_SAVE_PATH') and SESSION_SAVE_PATH) ? SESSION_SAVE_PATH : '/tmp';
1378 if (!is_writeable($tmpdir))
1381 (sprintf(_("%s is not writable."),
1382 _("The session.save_path directory"))
1384 . sprintf(_("Please ensure that %s is writable, or redefine %s in config/config.ini."),
1385 sprintf(_("the session.save_path directory ā%sā"),
1386 ini_get('session.save_path')),
1387 'SESSION_SAVE_PATH')
1389 . sprintf(_("Attempting to use the directory ā%sā instead."),
1392 if (!is_writeable($tmpdir)) {
1394 (sprintf(_("%s is not writable."), $tmpdir)
1396 . _("Users will not be able to sign in.")
1399 @ini_set('session.save_path', $tmpdir);
1405 if (version_compare(PHP_VERSION, '5.2', '<')) {
1406 exit(_("Your PHP version is too old. You must have at least PHP 5.2."));
1409 if (!USE_DB_SESSION)
1410 validateSessionPath();
1413 if ((DEBUG & _DEBUG_APD) and extension_loaded("apd")) {
1414 //apd_set_session_trace(9);
1415 apd_set_pprof_trace();
1418 // Postpone warnings
1419 global $ErrorManager;
1420 if (defined('E_STRICT')) // and (E_ALL & E_STRICT)) // strict php5?
1421 $ErrorManager->setPostponedErrorMask(E_NOTICE | E_USER_NOTICE | E_USER_WARNING | E_WARNING | E_STRICT | ((check_php_version(5, 3)) ? E_DEPRECATED : 0));
1423 $ErrorManager->setPostponedErrorMask(E_NOTICE | E_USER_NOTICE | E_USER_WARNING | E_WARNING);
1424 $request = new WikiRequest();
1426 $action = $request->getArg('action');
1427 if (substr($action, 0, 3) != 'zip') {
1428 if ($action == 'pdf')
1429 $ErrorManager->setPostponedErrorMask(-1); // everything
1430 //else // reject postponing of warnings
1431 // $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE);
1435 * Allow for disabling of markup cache.
1436 * (Mostly for debugging ... hopefully.)
1438 * See also <<WikiAdminUtils action=purge-cache>>
1440 if (!defined('WIKIDB_NOCACHE_MARKUP')) {
1441 if ($request->getArg('nocache')) // 1 or purge
1442 define('WIKIDB_NOCACHE_MARKUP', $request->getArg('nocache'));
1444 define('WIKIDB_NOCACHE_MARKUP', false); // redundant, but explicit
1447 // Initialize with system defaults in case user not logged in.
1448 // Should this go into the constructor?
1449 $request->initializeTheme('default');
1450 $request->updateAuthAndPrefs();
1451 $request->initializeLang();
1453 $request->possiblyDeflowerVirginWiki();
1455 $validators = array('wikiname' => WIKI_NAME,
1456 'args' => wikihash($request->getArgs()),
1457 'prefs' => wikihash($request->getPrefs()));
1458 if (CACHE_CONTROL == 'STRICT') {
1459 $dbi = $request->getDbh();
1460 $timestamp = $dbi->getTimestamp();
1461 $validators['mtime'] = $timestamp;
1462 $validators['%mtime'] = (int)$timestamp;
1464 // FIXME: we should try to generate strong validators when possible,
1465 // but for now, our validator is weak, since equal validators do not
1466 // indicate byte-level equality of content. (Due to DEBUG timing output, etc...)
1468 // (If DEBUG if off, this may be a strong validator, but I'm going
1469 // to go the paranoid route here pending further study and testing.)
1470 // access hits and edit stats in the footer violate strong ETags also.
1472 $validators['%weak'] = true;
1474 $request->setValidators($validators);
1476 $request->handleAction();
1478 if (DEBUG and DEBUG & _DEBUG_INFO) phpinfo(INFO_VARIABLES | INFO_MODULES);
1482 if ((!(defined('FUSIONFORGE') and FUSIONFORGE)) || (forge_get_config('installation_environment') != 'production')) {
1483 if (defined('E_STRICT') and (E_ALL & E_STRICT)) // strict php5?
1484 error_reporting(E_ALL & ~E_STRICT); // exclude E_STRICT
1486 error_reporting(E_ALL); // php4
1488 error_reporting(E_ERROR);
1491 // don't run the main loop for special requests (test, getimg, xmlrpc, soap, ...)
1492 if (!defined('PHPWIKI_NOMAIN') or !PHPWIKI_NOMAIN)
1498 // c-basic-offset: 4
1499 // c-hanging-comment-ender-p: nil
1500 // indent-tabs-mode: nil