4 * Copyright 1999-2008 $ThePhpWikiProgrammingTeam
5 * Copyright (C) 2008-2009 Marc-Etienne Vargenau, Alcatel-Lucent
6 * Copyright (C) 2009 Roger Guignard, Alcatel-Lucent
8 * This file is part of PhpWiki.
10 * PhpWiki is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * PhpWiki is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with PhpWiki; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 define ('USE_PREFS_IN_PAGE', true);
27 //include "lib/config.php";
28 require_once(dirname(__FILE__)."/stdlib.php");
29 require_once('lib/Request.php');
30 require_once('lib/WikiDB.php');
32 require_once("lib/WikiUserNew.php");
34 require_once("lib/WikiUser.php");
35 require_once("lib/WikiGroup.php");
37 require_once("lib/PagePerm.php");
40 * Check permission per page.
41 * Returns true or false.
43 function mayAccessPage ($access, $pagename) {
45 return _requiredAuthorityForPagename($access, $pagename); // typically [10-20ms per page]
50 class WikiRequest extends Request {
53 function WikiRequest () {
54 $this->_dbi = WikiDB::open($GLOBALS['DBParams']);
55 // first mysql request costs [958ms]! [670ms] is mysql_connect()
57 if (in_array('File', $this->_dbi->getAuthParam('USER_AUTH_ORDER'))) {
58 // force our local copy, until the pear version is fixed.
59 include_once(dirname(__FILE__)."/pear/File_Passwd.php");
61 if (ENABLE_USER_NEW) {
62 // Preload all necessary userclasses. Otherwise session => __PHP_Incomplete_Class_Name
63 // There's no way to demand-load it later. This way it's much slower, but needs slightly
64 // less memory than loading all.
66 include_once("lib/WikiUser/BogoLogin.php");
67 // UserPreferences POST Update doesn't reach this.
68 foreach ($GLOBALS['USER_AUTH_ORDER'] as $method) {
69 include_once("lib/WikiUser/$method.php");
71 switch( DATABASE_TYPE ) {
72 case 'SQL' : include_once("lib/WikiUser/PearDb.php"); break;
73 case 'ADODB': include_once("lib/WikiUser/AdoDb.php"); break;
74 case 'PDO' : include_once("lib/WikiUser/PdoDb.php"); break;
80 include_once('lib/DbSession.php');
82 if (defined('READONLY') and !READONLY) // READONLY might be set later
83 $this->_dbsession = new DbSession($dbi, $dbi->getParam('prefix')
84 . $dbi->getParam('db_session_table'));
87 // Fixme: Does pear reset the error mask to 1? We have to find the culprit
88 //$x = error_reporting();
90 $this->version = phpwiki_version();
91 $this->Request(); // [90ms]
94 $this->setArg('pagename', $this->_deducePagename());
95 $this->setArg('action', $this->_deduceAction());
97 if ((DEBUG & _DEBUG_SQL)
98 or (DATABASE_OPTIMISE_FREQUENCY > 0 and
99 (time() % DATABASE_OPTIMISE_FREQUENCY == 0))) {
100 if ($this->_dbi->_backend->optimize())
101 trigger_error(_("Optimizing database"), E_USER_NOTICE);
104 // Restore auth state. This doesn't check for proper authorization!
105 $userid = $this->_deduceUsername();
106 if (ENABLE_USER_NEW) {
107 if (isset($this->_user) and
108 !empty($this->_user->_authhow) and
109 $this->_user->_authhow == 'session')
111 // users might switch in a session between the two objects.
112 // restore old auth level here or in updateAuthAndPrefs?
113 //$user = $this->getSessionVar('wiki_user');
114 // revive db handle, because these don't survive sessions
115 if (isset($this->_user) and
116 ( ! isa($this->_user, WikiUserClassname())
117 or (strtolower(get_class($this->_user)) == '_passuser')
118 or (strtolower(get_class($this->_user)) == '_gforgepassuser')))
120 $this->_user = WikiUser($userid, $this->_user->_prefs);
122 // revive other db handle
123 if (isset($this->_user->_prefs->_method)
124 and ($this->_user->_prefs->_method == 'SQL'
125 or $this->_user->_prefs->_method == 'ADODB'
126 or $this->_user->_prefs->_method == 'PDO'
127 or $this->_user->_prefs->_method == 'HomePage')) {
128 $this->_user->_HomePagehandle = $this->getPage($userid);
130 // need to update the lockfile filehandle
131 if ( isa($this->_user, '_FilePassUser')
132 and $this->_user->_file->lockfile
133 and !$this->_user->_file->fplock )
135 //$level = $this->_user->_level;
136 $this->_user = UpgradeUser($this->_user,
137 new _FilePassUser($userid,
138 $this->_user->_prefs,
139 $this->_user->_file->filename));
140 //$this->_user->_level = $level;
142 $this->_prefs = & $this->_user->_prefs;
144 $user = WikiUser($userid);
145 $this->_user = & $user;
146 $this->_prefs = & $this->_user->_prefs;
149 $this->_user = new WikiUser($this, $userid);
150 $this->_prefs = $this->_user->getPreferences();
154 function initializeLang () {
155 // check non-default pref lang
156 if (empty($this->_prefs->_prefs['lang']))
158 $_lang = $this->_prefs->_prefs['lang'];
159 if (isset($_lang->lang) and $_lang->lang != $GLOBALS['LANG']) {
160 $user_lang = $_lang->lang;
161 //check changed LANG and THEME inside a session.
162 // (e.g. by using another baseurl)
163 if (isset($this->_user->_authhow) and $this->_user->_authhow == 'session')
164 $user_lang = $GLOBALS['LANG'];
165 update_locale($user_lang);
166 FindLocalizedButtonFile(".",'missing_ok','reinit');
168 //if (empty($_lang->lang) and $GLOBALS['LANG'] != $_lang->default_value) ;
171 function initializeTheme ($when = 'default') {
173 // if when = 'default', then first time init (default theme, ...)
174 // if when = 'login', then check some callbacks
175 // and maybe the theme changed (other theme defined in pref)
176 // if when = 'logout', then check other callbacks
177 // and maybe the theme changed (back to default theme)
179 // Load non-default theme (when = login)
180 if (!empty($this->_prefs->_prefs['theme'])) {
181 $_theme = $this->_prefs->_prefs['theme'];
182 if (isset($_theme) and isset($_theme->theme))
183 $user_theme = $_theme->theme;
184 elseif (isset($_theme) and isset($_theme->default_value))
185 $user_theme = $_theme->default_value;
190 $user_theme = $this->getPref('theme');
192 //check changed LANG and THEME inside a session.
193 // (e.g. by using another baseurl)
194 if (isset($this->_user->_authhow)
195 and $this->_user->_authhow == 'session'
196 and !isset($_theme->theme)
198 and $user_theme != THEME)
200 include_once("themes/" . THEME . "/themeinfo.php");
202 if (empty($WikiTheme) and $user_theme) {
203 if (strcspn($user_theme,"./\x00]") != strlen($user_theme)) {
204 trigger_error(sprintf("invalid theme '%s': Invalid characters detected",
207 $user_theme = "default";
209 if (!$user_theme) $user_theme = "default";
210 include_once("themes/$user_theme/themeinfo.php");
212 if (empty($WikiTheme) and defined('THEME'))
213 include_once("themes/" . THEME . "/themeinfo.php");
214 if (empty($WikiTheme))
215 include_once("themes/default/themeinfo.php");
216 assert(!empty($WikiTheme));
218 // Do not execute global init code anymore
220 // WikiTheme callbacks
221 if ($when == 'login') {
222 $WikiTheme->CbUserLogin($this, $this->_user->_userid);
223 if (!$this->_user->hasHomePage()) { // NewUser
224 $WikiTheme->CbNewUserLogin($this, $this->_user->_userid);
225 if (in_array($this->getArg('action'), array('edit','create')))
226 $WikiTheme->CbNewUserEdit($this, $this->_user->_userid);
229 elseif ($when == 'logout') {
230 $WikiTheme->CbUserLogout($this, $this->_user->_userid);
232 elseif ($when == 'default') {
234 if ($this->_user->_level > 0 and !$this->_user->hasHomePage()) { // NewUser
235 if (in_array($this->getArg('action'), array('edit','create')))
236 $WikiTheme->CbNewUserEdit($this, $this->_user->_userid);
241 // This really maybe should be part of the constructor, but since it
242 // may involve HTML/template output, the global $request really needs
243 // to be initialized before we do this stuff.
244 // [50ms]: 36ms if wikidb_page::exists
245 function updateAuthAndPrefs () {
247 if (isset($this->_user) and (!isa($this->_user, WikiUserClassname()))) {
248 $this->_user = false;
250 // Handle authentication request, if any.
251 if ($auth_args = $this->getArg('auth')) {
252 $this->setArg('auth', false);
253 $this->_handleAuthRequest($auth_args); // possible NORETURN
255 elseif ( ! $this->_user
256 or (isa($this->_user, WikiUserClassname())
257 and ! $this->_user->isSignedIn())) {
258 // If not auth request, try to sign in as saved user.
259 if (($saved_user = $this->getPref('userid')) != false) {
260 $this->_signIn($saved_user);
264 $action = $this->getArg('action');
266 // Save preferences in session and cookie
267 if ((defined('WIKI_XMLRPC') and !WIKI_XMLRPC) or $action != 'xmlrpc') {
268 if (isset($this->_user) and $this->_user->_userid) {
269 if (!isset($this->_user->_authhow) or $this->_user->_authhow != 'session') {
270 $this->_user->setPreferences($this->_prefs, true);
273 $tmpuser = $this->_user; // clone it
274 $this->setSessionVar('wiki_user', $tmpuser);
278 // Ensure user has permissions for action
279 // HACK ALERT: We may not set the request arg to create,
280 // since the pageeditor has an ugly logic for action == create.
281 if ($action == 'edit' or $action == 'create') {
282 $page = $this->getPage();
283 if (! $page->exists() )
288 if (! ENABLE_PAGEPERM) { // Bug #1438392 by Matt Brown
289 $require_level = $this->requiredAuthority($action);
290 if (! $this->_user->hasAuthority($require_level))
291 $this->_notAuthorized($require_level); // NORETURN
293 // novatrope patch to let only _AUTHENTICATED view pages.
294 // If there's not enough authority or forbidden, ask for a password,
295 // unless it's explicitly unobtainable. Some bad magic though.
296 if ($this->requiredAuthorityForAction($action) == WIKIAUTH_UNOBTAINABLE) {
297 $require_level = $this->requiredAuthority($action);
298 $this->_notAuthorized($require_level); // NORETURN
303 function & getUser () {
304 if (isset($this->_user))
307 return $GLOBALS['ForbiddenUser'];
310 function & getGroup () {
311 if (isset($this->_user) and isset($this->_user->_group))
312 return $this->_user->_group;
314 // Debug Strict: Only variable references should be returned by reference
315 $this->_user->_group = WikiGroup::getGroup();
316 return $this->_user->_group;
320 function & getPrefs () {
321 return $this->_prefs;
324 // Convenience function:
325 function getPref ($key) {
326 if (isset($this->_prefs)) {
327 return $this->_prefs->get($key);
330 function & getDbh () {
335 * Get requested page from the page database.
336 * By default it will grab the page requested via the URL
338 * This is a convenience function.
339 * @param string $pagename Name of page to get.
340 * @return WikiDB_Page Object with methods to pull data from
341 * database for the page requested.
343 function getPage ($pagename = false) {
344 //if (!isset($this->_dbi)) $this->getDbh();
346 $pagename = $this->getArg('pagename');
347 return $this->_dbi->getPage($pagename);
350 /** Get URL for POST actions.
352 * Officially, we should just use SCRIPT_NAME (or some such),
353 * but that causes problems when we try to issue a redirect, e.g.
354 * after saving a page.
356 * Some browsers (at least NS4 and Mozilla 0.97 won't accept
357 * a redirect from a page to itself.)
359 * So, as a HACK, we include pagename and action as query args in
360 * the URL. (These should be ignored when we receive the POST
363 function getPostURL ($pagename = false) {
364 global $HTTP_GET_VARS;
366 if ($pagename === false)
367 $pagename = $this->getArg('pagename');
368 $action = $this->getArg('action');
369 if (!empty($HTTP_GET_VARS['start_debug'])) // zend ide support
370 return WikiURL($pagename, array('action' => $action, 'start_debug' => 1));
371 elseif ($action == 'edit')
372 return WikiURL($pagename);
374 return WikiURL($pagename, array('action' => $action));
377 function _handleAuthRequest ($auth_args) {
378 if (!is_array($auth_args))
381 // Ignore password unless POST'ed.
382 if (!$this->isPost())
383 unset($auth_args['passwd']);
385 $olduser = $this->_user;
386 $user = $this->_user->AuthCheck($auth_args);
387 if (is_string($user)) {
388 // Login attempt failed.
389 $fail_message = $user;
390 $auth_args['pass_required'] = true;
391 // if clicked just on to the "sign in as:" button dont print invalid username.
392 if (!empty($auth_args['login']) and empty($auth_args['userid']))
394 // If no password was submitted, it's not really
395 // a failure --- just need to prompt for password...
396 if (!ALLOW_USER_PASSWORDS
398 and !isset($auth_args['passwd']))
400 $fail_message = false;
402 $olduser->PrintLoginForm($this, $auth_args, $fail_message, 'newpage');
403 $this->finish(); //NORETURN
405 elseif (isa($user, WikiUserClassname())) {
406 // Successful login (or logout.)
407 $this->_setUser($user);
410 // Login request cancelled.
415 * Attempt to sign in (bogo-login).
419 * @param $userid string Userid to attempt to sign in as.
422 function _signIn ($userid) {
423 if (ENABLE_USER_NEW) {
425 $this->_user = new _BogoUser($userid);
426 // FIXME: is this always false? shouldn't we try passuser first?
428 $this->_user = new _PassUser($userid);
431 $this->_user = new WikiUser($this, $userid);
433 $user = $this->_user->AuthCheck(array('userid' => $userid));
434 if (isa($user, WikiUserClassname())) {
435 $this->_setUser($user); // success!
439 // login or logout or restore state
440 function _setUser (&$user) {
441 $this->_user =& $user;
442 if (defined('MAIN_setUser')) return; // don't set cookies twice
443 $this->setCookieVar(getCookieName(), $user->getAuthenticatedId(),
444 COOKIE_EXPIRATION_DAYS, COOKIE_DOMAIN);
445 $isSignedIn = $user->isSignedIn();
447 $user->_authhow = 'signin';
450 // Save userid to prefs..
451 if ( empty($this->_user->_prefs)) {
452 $this->_user->_prefs = $this->_user->getPreferences();
453 $this->_prefs =& $this->_user->_prefs;
455 $this->_user->_group = $this->getGroup();
456 $this->setSessionVar('wiki_user', $user);
457 $this->_prefs->set('userid',
458 $isSignedIn ? $user->getId() : '');
459 if (!ENABLE_USER_NEW) {
460 if (empty($this->_user->_request))
461 $this->_user->_request =& $this;
462 if (empty($this->_user->_dbi))
463 $this->_user->_dbi =& $this->_dbi;
465 $this->initializeTheme($isSignedIn ? 'login' : 'logout');
466 define('MAIN_setUser', true);
469 /* Permission system */
470 function getLevelDescription($level) {
471 static $levels = false;
472 if (!$levels) // This looks like a Visual Basic hack. For the very same reason. "0"
473 $levels = array('x-1' => _("FORBIDDEN"),
478 'x100'=> _("UNOBTAINABLE"));
481 if (!empty($levels["x".$level]))
482 return $levels["x".$level];
487 function _notAuthorized ($require_level) {
488 // Display the authority message in the Wiki's default
489 // language, in case it is not english.
491 // Note that normally a user will not see such an error once
492 // logged in, unless the admin has altered the default
493 // disallowed wikiactions. In that case we should probably
494 // check the user's language prefs too at this point; this
495 // would be a situation which is not really handled with the
497 if (empty($GLOBALS['LANG']))
498 update_locale(DEFAULT_LANGUAGE);
500 // User does not have required authority. Prompt for login.
501 $what = $this->getActionDescription($this->getArg('action'));
502 $pass_required = ($require_level >= WIKIAUTH_USER);
503 if ($require_level == WIKIAUTH_UNOBTAINABLE) {
504 global $DisabledActions;
505 if ($DisabledActions and in_array($action, $DisabledActions)) {
506 $msg = fmt("%s is disallowed on this wiki.",
507 $this->getDisallowedActionDescription($this->getArg('action')));
511 // Is the reason a missing ACL or just wrong user or password?
512 if (class_exists('PagePermission')) {
513 $user =& $this->_user;
514 $status = $user->isAuthenticated() ? _("authenticated") : _("not authenticated");
515 $msg = fmt("%s %s %s is disallowed on this wiki for %s user '%s' (level: %s).",
516 _("Missing PagePermission:"),
517 action2access($this->getArg('action')),
518 $this->getArg('pagename'),
519 $status, $user->getId(), $this->getLevelDescription($user->_level));
520 // TODO: add link to action=setacl
521 $user->PrintLoginForm($this, compact('pass_required'), $msg);
525 $msg = fmt("%s is disallowed on this wiki.",
526 $this->getDisallowedActionDescription($this->getArg('action')));
527 $this->_user->PrintLoginForm($this, compact('require_level','pass_required'), $msg);
532 elseif ($require_level == WIKIAUTH_BOGO)
533 $msg = fmt("You must sign in to %s.", $what);
534 elseif ($require_level == WIKIAUTH_USER) {
535 // LoginForm should display the relevant messages...
537 /*if (!ALLOW_ANON_USER)
538 $msg = fmt("You must log in first to %s", $what);
540 $msg = fmt("You must log in to %s.", $what);
542 } elseif ($require_level == WIKIAUTH_ANON)
543 $msg = fmt("Access for you is forbidden to %s.", $what);
545 $msg = fmt("You must be an administrator to %s.", $what);
547 $this->_user->PrintLoginForm($this, compact('require_level','pass_required'),
549 if (!$GLOBALS['WikiTheme']->DUMP_MODE)
550 $this->finish(); // NORETURN
553 // Fixme: for PagePermissions we'll need other strings,
554 // relevant to the requested page, not just for the action on the whole wiki.
555 function getActionDescription($action) {
556 static $actionDescriptions;
557 if (! $actionDescriptions) {
559 = array('browse' => _("view this page"),
560 'diff' => _("diff this page"),
561 'dumphtml' => _("dump html pages"),
562 'dumpserial' => _("dump serial pages"),
563 'edit' => _("edit this page"),
564 'rename' => _("rename this page"),
565 'revert' => _("revert to a previous version of this page"),
566 'create' => _("create this page"),
567 'loadfile' => _("load files into this wiki"),
568 'lock' => _("lock this page"),
569 'purge' => _("purge this page"),
570 'remove' => _("remove this page"),
571 'unlock' => _("unlock this page"),
572 'upload' => _("upload a zip dump"),
573 'verify' => _("verify the current action"),
574 'viewsource' => _("view the source of this page"),
575 'xmlrpc' => _("access this wiki via XML-RPC"),
576 'soap' => _("access this wiki via SOAP"),
577 'zip' => _("download a zip dump from this wiki"),
578 'ziphtml' => _("download a html zip dump from this wiki")
581 if (in_array($action, array_keys($actionDescriptions)))
582 return $actionDescriptions[$action];
584 return _("use")." ".$action;
588 TODO: check against these cases:
589 if ($DisabledActions and in_array($action, $DisabledActions))
590 return WIKIAUTH_UNOBTAINABLE;
592 if (ENABLE_PAGEPERM and class_exists("PagePermission")) {
593 return requiredAuthorityForPage($action);
595 => Browsing pages is disallowed on this wiki for authenticated user 'rurban' (level: BOGO).
597 function getDisallowedActionDescription($action) {
598 static $disallowedActionDescriptions;
600 if (! $disallowedActionDescriptions) {
601 $disallowedActionDescriptions
602 = array('browse' => _("Browsing pages"),
603 'diff' => _("Diffing pages"),
604 'dumphtml' => _("Dumping html pages"),
605 'dumpserial' => _("Dumping serial pages"),
606 'edit' => _("Editing pages"),
607 'revert' => _("Reverting to a previous version of pages"),
608 'create' => _("Creating pages"),
609 'loadfile' => _("Loading files"),
610 'lock' => _("Locking pages"),
611 'purge' => _("Purging pages"),
612 'remove' => _("Removing pages"),
613 'unlock' => _("Unlocking pages"),
614 'upload' => _("Uploading zip dumps"),
615 'verify' => _("Verify the current action"),
616 'viewsource' => _("Viewing the source of pages"),
617 'xmlrpc' => _("XML-RPC access"),
618 'soap' => _("SOAP access"),
619 'zip' => _("Downloading zip dumps"),
620 'ziphtml' => _("Downloading html zip dumps")
623 if (in_array($action, array_keys($disallowedActionDescriptions)))
624 return $disallowedActionDescriptions[$action];
629 function requiredAuthority ($action) {
630 $auth = $this->requiredAuthorityForAction($action);
631 if (!ALLOW_ANON_USER) return WIKIAUTH_USER;
634 * This is a hook for plugins to require authority
635 * for posting to them.
637 * IMPORTANT: This is not a secure check, so the plugin
638 * may not assume that any POSTs to it are authorized.
639 * All this does is cause PhpWiki to prompt for login
640 * if the user doesn't have the required authority.
642 if ($this->isPost()) {
643 $post_auth = $this->getArg('require_authority_for_post');
644 if ($post_auth !== false)
645 $auth = max($auth, $post_auth);
650 function requiredAuthorityForAction ($action) {
651 global $DisabledActions;
653 if ($DisabledActions and in_array($action, $DisabledActions))
654 return WIKIAUTH_UNOBTAINABLE;
656 if (ENABLE_PAGEPERM and class_exists("PagePermission")) {
657 return requiredAuthorityForPage($action);
670 return WIKIAUTH_ANON;
675 if (INSECURE_ACTIONS_LOCALHOST_ONLY and !is_localhost())
676 return WIKIAUTH_ADMIN;
677 return WIKIAUTH_ANON;
681 return WIKIAUTH_ADMIN;
682 if (INSECURE_ACTIONS_LOCALHOST_ONLY and !is_localhost())
683 return WIKIAUTH_ADMIN;
684 return WIKIAUTH_ANON;
687 if (INSECURE_ACTIONS_LOCALHOST_ONLY and is_localhost())
688 return WIKIAUTH_ANON;
689 return WIKIAUTH_ADMIN;
693 return WIKIAUTH_ADMIN;
694 return WIKIAUTH_ANON;
699 if (defined('REQUIRE_SIGNIN_BEFORE_EDIT') && REQUIRE_SIGNIN_BEFORE_EDIT)
700 return WIKIAUTH_BOGO;
701 return WIKIAUTH_ANON;
702 // return WIKIAUTH_BOGO;
705 $page = $this->getPage();
706 $current = $page->getCurrentRevision();
707 if ($current->hasDefaultContents())
708 return $this->requiredAuthorityForAction('edit');
709 return $this->requiredAuthorityForAction('browse');
720 return WIKIAUTH_ADMIN;
722 /* authcheck occurs only in the plugin.
723 required actionpage RateIt */
726 case 'delete_rating':
727 // Perhaps this should be WIKIAUTH_USER
728 return WIKIAUTH_BOGO;
732 global $WikiNameRegexp;
733 if (preg_match("/$WikiNameRegexp\Z/A", $action))
734 return WIKIAUTH_ANON; // ActionPage.
736 return WIKIAUTH_ADMIN;
740 /* End of Permission system */
742 function possiblyDeflowerVirginWiki () {
743 if ($this->getArg('action') != 'browse')
745 if ($this->getArg('pagename') != HOME_PAGE)
748 $page = $this->getPage();
749 $current = $page->getCurrentRevision();
750 if ($current->getVersion() > 0)
751 return; // Homepage exists.
753 include_once('lib/loadsave.php');
754 $this->setArg('action', 'loadfile');
756 $this->finish(); // NORETURN
759 // [574ms] mainly template:printexpansion: 393ms and template::expandsubtemplate [100+70+60ms]
760 function handleAction () {
761 // Check illegal characters in page names: <>[]{}|"
762 require_once("lib/Template.php");
763 $page = $this->getPage();
764 $pagename = $page->getName();
765 if (preg_match("/[<\[\{\|\"\}\]>]/", $pagename, $matches) > 0) {
766 $CONTENT = HTML::div(
767 array('class' => 'error'),
768 _("Illegal character '"). $matches[0] . _("' in page name."));
769 GeneratePage($CONTENT, $pagename);
772 $action = $this->getArg('action');
774 and !$this->_user->isAdmin()
775 and $action != 'browse'
776 and $action != 'wikitohtml'
779 if ( $page->get('moderation') ) {
780 require_once("lib/WikiPlugin.php");
781 $loader = new WikiPluginLoader();
782 $plugin = $loader->getPlugin("ModeratedPage");
783 if ($plugin->handler($this, $page)) {
786 array('class' => 'wiki-edithelp'),
787 fmt("%s: action forwarded to a moderator.",
790 _("This action requires moderator approval. Please be patient."));
791 if (!empty($plugin->_tokens['CONTENT']))
792 $plugin->_tokens['CONTENT']->pushContent
795 _("You must wait for moderator approval."));
797 $plugin->_tokens['CONTENT'] = $CONTENT;
798 $title = WikiLink($page->getName());
799 $title->pushContent(' : ', WikiLink(_("ModeratedPage")));
800 GeneratePage(Template('browse', $plugin->_tokens),
802 $page->getCurrentRevision());
807 $method = "action_$action";
808 if (method_exists($this, $method)) {
811 elseif ($page = $this->findActionPage($action)) {
812 $this->actionpage($page);
815 $this->finish(fmt("%s: Bad action", $action));
819 function finish ($errormsg = false) {
823 exit(); // just in case CloseDataBase calls us
826 global $ErrorManager;
827 $ErrorManager->flushPostponedErrors();
829 if (!empty($errormsg)) {
832 HTML::h2(_("Fatal PhpWiki Error")),
835 echo "\n</body></html>";
837 if (is_object($this->_user)) {
838 $this->_user->page = $this->getArg('pagename');
839 $this->_user->action = $this->getArg('action');
840 unset($this->_user->_HomePagehandle);
841 unset($this->_user->_auth_dbi);
842 unset($this->_user->_dbi);
843 unset($this->_user->_request);
850 * Generally pagename is rawurlencoded for older browsers or mozilla.
851 * Typing a pagename into the IE bar will utf-8 encode it, so we have to
852 * fix that with fixTitleEncoding().
853 * If USE_PATH_INFO = true, the pagename is stripped from the "/DATA_PATH/PageName&arg=value" line.
854 * If false, we support either "/index.php?pagename=PageName&arg=value",
855 * or the first arg (1.2.x style): "/index.php?PageName&arg=value"
857 function _deducePagename () {
858 if (trim(rawurldecode($this->getArg('pagename'))))
859 return fixTitleEncoding(rawurldecode($this->getArg('pagename')));
862 $pathinfo = $this->get('PATH_INFO');
863 if (empty($pathinfo)) { // fix for CGI
864 $path = $this->get('REQUEST_URI');
865 $script = $this->get('SCRIPT_NAME');
866 $pathinfo = substr($path,strlen($script));
867 $pathinfo = preg_replace('/\?.+$/','',$pathinfo);
869 $tail = substr($pathinfo, strlen(PATH_INFO_PREFIX));
871 if (trim($tail) != '' and $pathinfo == PATH_INFO_PREFIX . $tail) {
872 return fixTitleEncoding($tail);
875 elseif ($this->isPost()) {
877 * In general, for security reasons, HTTP_GET_VARS should be ignored
878 * on POST requests, but we make an exception here (only for pagename).
880 * The justification for this hack is the following
881 * asymmetry: When POSTing with USE_PATH_INFO set, the
882 * pagename can (and should) be communicated through the
883 * request URL via PATH_INFO. When POSTing with
884 * USE_PATH_INFO off, this cannot be done --- the only way
885 * to communicate the pagename through the URL is via
886 * QUERY_ARGS (HTTP_GET_VARS).
888 global $HTTP_GET_VARS;
889 if (isset($HTTP_GET_VARS['pagename']) and trim($HTTP_GET_VARS['pagename'])) {
890 return fixTitleEncoding(rawurldecode($HTTP_GET_VARS['pagename']));
895 * Support for PhpWiki 1.2 style requests.
896 * Strip off "&" args (?PageName&action=...&start_debug,...)
898 $query_string = $this->get('QUERY_STRING');
899 if (trim(rawurldecode($query_string)) and preg_match('/^([^&=]+)(&.+)?$/', $query_string, $m)) {
900 return fixTitleEncoding(rawurldecode($m[1]));
903 return fixTitleEncoding(HOME_PAGE);
906 function _deduceAction () {
907 if (!($action = $this->getArg('action'))) {
908 // TODO: improve this SOAP.php hack by letting SOAP use index.php
909 // or any other virtual url as with xmlrpc
910 if (defined('WIKI_SOAP') and WIKI_SOAP)
912 // Detect XML-RPC requests.
914 && ((defined("WIKI_XMLRPC") and WIKI_XMLRPC)
915 or ($this->get('CONTENT_TYPE') == 'text/xml'
916 or $this->get('CONTENT_TYPE') == 'application/xml')
917 && strstr($GLOBALS['HTTP_RAW_POST_DATA'], '<methodCall>'))
922 return 'browse'; // Default if no action specified.
925 if (method_exists($this, "action_$action"))
928 // Allow for, e.g. action=LikePages
929 if (isActionPage($action))
932 // Handle untranslated actionpages in non-english
933 // (people playing with switching languages)
934 if (0 and $GLOBALS['LANG'] != 'en') {
935 require_once("lib/plugin/_WikiTranslation.php");
936 $trans = new WikiPlugin__WikiTranslation();
937 $en_action = $trans->translate($action,'en',$GLOBALS['LANG']);
938 if (isActionPage($en_action))
942 trigger_error("$action: Unknown action", E_USER_NOTICE);
946 function _deduceUsername() {
947 global $HTTP_SERVER_VARS, $HTTP_ENV_VARS;
949 if (!empty($this->args['auth']) and !empty($this->args['auth']['userid']))
950 return $this->args['auth']['userid'];
952 if ($user = $this->getSessionVar('wiki_user')) {
953 // Switched auth between sessions.
954 // Note: There's no way to demandload a missing class-definition
955 // afterwards! Stupid php.
956 if (defined('GFORGE') and GFORGE) {
957 if (empty($HTTP_SERVER_VARS['PHP_AUTH_USER'])) {
960 } else if (isa($user, WikiUserClassname())) {
961 $this->_user = $user;
962 $this->_user->_authhow = 'session';
963 return ENABLE_USER_NEW ? $user->UserName() : $this->_user;
967 // Sessions override http auth
968 if (!empty($HTTP_SERVER_VARS['PHP_AUTH_USER']))
969 return $HTTP_SERVER_VARS['PHP_AUTH_USER'];
971 if (!empty($HTTP_SERVER_VARS['REMOTE_USER']))
972 return $HTTP_SERVER_VARS['REMOTE_USER'];
973 if (!empty($HTTP_ENV_VARS['REMOTE_USER']))
974 return $HTTP_ENV_VARS['REMOTE_USER'];
976 if ($userid = $this->getCookieVar(getCookieName())) {
977 if (!empty($userid) and substr($userid,0,2) != 's:') {
978 $this->_user->authhow = 'cookie';
983 if ($this->getArg('action') == 'xmlrpc') { // how about SOAP?
984 if (empty($GLOBALS['HTTP_RAW_POST_DATA']))
985 trigger_error("Wrong always_populate_raw_post_data = Off setting in your php.ini\nCannot use xmlrpc!", E_USER_ERROR);
986 // wiki.putPage has special otional userid/passwd arguments. check that later.
988 if (isset($HTTP_SERVER_VARS['REMOTE_USER']))
989 $userid = $HTTP_SERVER_VARS['REMOTE_USER'];
990 elseif (isset($HTTP_SERVER_VARS['REMOTE_ADDR']))
991 $userid = $HTTP_SERVER_VARS['REMOTE_ADDR'];
992 elseif (isset($HTTP_ENV_VARS['REMOTE_ADDR']))
993 $userid = $HTTP_ENV_VARS['REMOTE_ADDR'];
994 elseif (isset($GLOBALS['REMOTE_ADDR']))
995 $userid = $GLOBALS['REMOTE_ADDR'];
1002 function findActionPage ($action) {
1004 if (!$action) return false;
1006 // check for translated version, as per users preferred language
1007 // (or system default in case it is not en)
1008 $translation = gettext($action);
1010 if (isset($cache) and isset($cache[$translation]))
1011 return $cache[$translation];
1013 // check for cached translated version
1014 if ($translation and isActionPage($translation))
1015 return $cache[$action] = $translation;
1017 // Allow for, e.g. action=LikePages
1018 if (!isWikiWord($action))
1019 return $cache[$action] = false;
1021 // check for translated version (default language)
1023 if ($LANG != "en") {
1024 require_once("lib/WikiPlugin.php");
1025 require_once("lib/plugin/_WikiTranslation.php");
1026 $trans = new WikiPlugin__WikiTranslation();
1027 $trans->lang = $LANG;
1028 $default = $trans->translate_to_en($action, $LANG);
1029 if ($default and isActionPage($default))
1030 return $cache[$action] = $default;
1032 $default = $translation;
1035 // check for english version
1036 if ($action != $translation and $action != $default) {
1037 if (isActionPage($action))
1038 return $cache[$action] = $action;
1041 trigger_error("$action: Cannot find action page", E_USER_NOTICE);
1042 return $cache[$action] = false;
1045 function action_browse () {
1046 $this->buffer_output();
1047 include_once("lib/display.php");
1051 function action_verify () {
1052 $this->action_browse();
1055 function actionpage ($action) {
1056 $this->buffer_output();
1057 include_once("lib/display.php");
1058 actionPage($this, $action);
1061 function adminActionSubpage ($subpage) {
1062 $page = _("PhpWikiAdministration")."/".$subpage;
1063 $action = $this->findActionPage($page);
1065 if (!$this->getArg('s'))
1066 $this->setArg('s', $this->getArg('pagename'));
1067 $this->setArg('verify', 1); // only for POST
1068 if ($this->getArg('action') != 'rename')
1069 $this->setArg('action', $action);
1070 elseif($this->getArg('to') && empty($this->args['admin_rename'])) {
1071 $this->args['admin_rename']
1072 = array('from' => $this->getArg('s'),
1073 'to' => $this->getArg('to'),
1074 'action' => 'select');
1076 $this->actionpage($action);
1078 trigger_error($page.": Cannot find action page", E_USER_WARNING);
1082 function action_chown () {
1083 $this->adminActionSubpage(_("Chown"));
1086 function action_setacl () {
1087 $this->adminActionSubpage(_("SetAcl"));
1090 function action_rename () {
1091 $this->adminActionSubpage(_("Rename"));
1094 function action_dump () {
1095 $action = $this->findActionPage(_("PageDump"));
1097 $this->actionpage($action);
1099 // redirect to action=upgrade if admin?
1100 trigger_error(_("PageDump").": Cannot find action page", E_USER_WARNING);
1104 function action_diff () {
1105 $this->buffer_output();
1106 include_once "lib/diff.php";
1110 function action_search () {
1111 // Decide between title or fulltextsearch (e.g. both buttons available).
1112 // Reformulate URL and redirect.
1113 $searchtype = $this->getArg('searchtype');
1114 $args = array('s' => $this->getArg('searchterm')
1115 ? $this->getArg('searchterm')
1116 : $this->getArg('s'));
1117 if ($searchtype == 'full' or $searchtype == 'fulltext') {
1118 $search_page = _("FullTextSearch");
1120 elseif ($searchtype == 'external') {
1122 $link = new WikiPageName("Search:$s"); // Expand interwiki url. I use xapian-omega
1123 $this->redirect($link->url);
1126 $search_page = _("TitleSearch");
1127 $args['auto_redirect'] = 1;
1129 $this->redirect(WikiURL($search_page, $args, 'absolute_url'));
1132 function action_edit () {
1133 $this->buffer_output();
1134 include "lib/editpage.php";
1135 $e = new PageEditor ($this);
1139 function action_create () {
1140 $this->action_edit();
1143 function action_viewsource () {
1144 $this->buffer_output();
1145 include "lib/editpage.php";
1146 $e = new PageEditor ($this);
1150 function action_lock () {
1151 $page = $this->getPage();
1152 $page->set('locked', true);
1153 $this->_dbi->touch();
1154 // check ModeratedPage hook
1155 if ($moderated = $page->get('moderation')) {
1156 require_once("lib/WikiPlugin.php");
1157 $plugin = WikiPluginLoader::getPlugin("ModeratedPage");
1158 if ($retval = $plugin->lock_check($this, $page, $moderated))
1159 $this->setArg('errormsg', $retval);
1161 // check if a link to ModeratedPage exists
1162 elseif ($action_page = $page->existLink(_("ModeratedPage"))) {
1163 require_once("lib/WikiPlugin.php");
1164 $plugin = WikiPluginLoader::getPlugin("ModeratedPage");
1165 if ($retval = $plugin->lock_add($this, $page, $action_page))
1166 $this->setArg('errormsg', $retval);
1168 $this->action_browse();
1171 function action_unlock () {
1172 $page = $this->getPage();
1173 $page->set('locked', false);
1174 $this->_dbi->touch();
1175 $this->action_browse();
1178 function action_purge () {
1179 $pagename = $this->getArg('pagename');
1180 if (strstr($pagename, _("PhpWikiAdministration"))) {
1181 $this->action_browse();
1183 include('lib/purgepage.php');
1188 function action_remove () {
1189 // This check is now redundant.
1190 //$user->requireAuth(WIKIAUTH_ADMIN);
1191 $pagename = $this->getArg('pagename');
1192 if (strstr($pagename, _("PhpWikiAdministration"))) {
1193 $this->action_browse();
1195 include('lib/removepage.php');
1200 function action_xmlrpc () {
1201 include_once("lib/XmlRpcServer.php");
1202 $xmlrpc = new XmlRpcServer($this);
1206 function action_soap () {
1207 if (defined("WIKI_SOAP") and WIKI_SOAP) // already loaded
1210 allow VIRTUAL_PATH or action=soap SOAP access
1212 include_once("SOAP.php");
1215 function action_revert () {
1216 include_once "lib/loadsave.php";
1220 function action_zip () {
1221 include_once("lib/loadsave.php");
1225 function action_ziphtml () {
1226 include_once("lib/loadsave.php");
1227 MakeWikiZipHtml($this);
1228 // I don't think it hurts to add cruft at the end of the zip file.
1229 echo "\n========================================================\n";
1230 echo "PhpWiki " . PHPWIKI_VERSION . "\n";
1233 function action_dumpserial () {
1234 include_once("lib/loadsave.php");
1238 function action_dumphtml () {
1239 include_once("lib/loadsave.php");
1240 DumpHtmlToDir($this);
1243 function action_upload () {
1244 include_once("lib/loadsave.php");
1245 LoadPostFile($this);
1248 function action_upgrade () {
1249 include_once("lib/loadsave.php");
1250 include_once("lib/upgrade.php");
1254 function action_loadfile () {
1255 include_once("lib/loadsave.php");
1256 LoadFileOrDir($this);
1259 function action_pdf () {
1260 include_once("lib/pdf.php");
1261 ConvertAndDisplayPdf($this);
1264 function action_captcha () {
1265 include_once "lib/Captcha.php";
1266 $captcha = new Captcha();
1267 $captcha->image ( $captcha->captchaword() );
1270 function action_wikitohtml () {
1271 include_once("lib/WysiwygEdit/Wikiwyg.php");
1272 $wikitohtml = new WikiToHtml( $this->getArg("content") , $this);
1273 $wikitohtml->send();
1276 function action_setpref () {
1277 $what = $this->getArg('pref');
1278 $value = $this->getArg('value');
1279 $prefs =& $this->_user->_prefs;
1280 $prefs->set($what, $value);
1281 $num = $this->_user->setPreferences($prefs);
1285 //FIXME: deprecated with ENABLE_PAGEPERM (?)
1286 function is_safe_action ($action) {
1288 return $request->requiredAuthorityForAction($action) < WIKIAUTH_ADMIN;
1291 function validateSessionPath() {
1292 // Try to defer any session.save_path PHP errors before any html
1293 // is output, which causes some versions of IE to display a blank
1294 // page (due to its strict mode while parsing a page?).
1295 if (! is_writeable(ini_get('session.save_path'))) {
1296 $tmpdir = (defined('SESSION_SAVE_PATH') and SESSION_SAVE_PATH) ? SESSION_SAVE_PATH : '/tmp';
1297 if (!is_writeable($tmpdir))
1300 (sprintf(_("%s is not writable."),
1301 _("The session.save_path directory"))
1303 . sprintf(_("Please ensure that %s is writable, or redefine %s in config/config.ini."),
1304 sprintf(_("the session.save_path directory '%s'"),
1305 ini_get('session.save_path')),
1306 'SESSION_SAVE_PATH')
1308 . sprintf(_("Attempting to use the directory '%s' instead."),
1311 if (! is_writeable($tmpdir)) {
1313 (sprintf(_("%s is not writable."), $tmpdir)
1315 . _("Users will not be able to sign in.")
1319 @ini_set('session.save_path', $tmpdir);
1325 if (version_compare(PHP_VERSION, '4.3.10', '<')) {
1326 exit(_("Your PHP version is too old. You must have at least PHP 4.3.10"));
1329 if ( !USE_DB_SESSION )
1330 validateSessionPath();
1333 if ((DEBUG & _DEBUG_APD) and extension_loaded("apd")) {
1334 //apd_set_session_trace(9);
1335 apd_set_pprof_trace();
1338 // Postpone warnings
1339 global $ErrorManager;
1340 if (defined('E_STRICT')) // and (E_ALL & E_STRICT)) // strict php5?
1341 $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE|E_USER_WARNING|E_WARNING|E_STRICT|((check_php_version(5,3)) ? E_DEPRECATED : 0));
1343 $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE|E_USER_WARNING|E_WARNING);
1344 $request = new WikiRequest();
1346 $action = $request->getArg('action');
1347 if (substr($action, 0, 3) != 'zip') {
1348 if ($action == 'pdf')
1349 $ErrorManager->setPostponedErrorMask(-1); // everything
1350 //else // reject postponing of warnings
1351 // $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE);
1355 * Allow for disabling of markup cache.
1356 * (Mostly for debugging ... hopefully.)
1358 * See also <<WikiAdminUtils action=purge-cache>>
1360 if (!defined('WIKIDB_NOCACHE_MARKUP')) {
1361 if ($request->getArg('nocache')) // 1 or purge
1362 define('WIKIDB_NOCACHE_MARKUP', $request->getArg('nocache'));
1364 define('WIKIDB_NOCACHE_MARKUP', false); // redundant, but explicit
1367 // Initialize with system defaults in case user not logged in.
1368 // Should this go into the constructor?
1369 $request->initializeTheme('default');
1370 $request->updateAuthAndPrefs();
1371 $request->initializeLang();
1374 //if ($user->is_authenticated())
1375 // $LogEntry->user = $user->getId();
1377 // Memory optimization:
1378 // http://www.procata.com/blog/archives/2004/05/27/rephlux-and-php-memory-usage/
1379 // kill the global PEAR _PEAR_destructor_object_list
1380 if (!empty($_PEAR_destructor_object_list))
1381 $_PEAR_destructor_object_list = array();
1382 $request->possiblyDeflowerVirginWiki();
1384 $validators = array('wikiname' => WIKI_NAME,
1385 'args' => wikihash($request->getArgs()),
1386 'prefs' => wikihash($request->getPrefs()));
1387 if (CACHE_CONTROL == 'STRICT') {
1388 $dbi = $request->getDbh();
1389 $timestamp = $dbi->getTimestamp();
1390 $validators['mtime'] = $timestamp;
1391 $validators['%mtime'] = (int)$timestamp;
1393 // FIXME: we should try to generate strong validators when possible,
1394 // but for now, our validator is weak, since equal validators do not
1395 // indicate byte-level equality of content. (Due to DEBUG timing output, etc...)
1397 // (If DEBUG if off, this may be a strong validator, but I'm going
1398 // to go the paranoid route here pending further study and testing.)
1399 // access hits and edit stats in the footer violate strong ETags also.
1401 $validators['%weak'] = true;
1403 $request->setValidators($validators);
1405 $request->handleAction();
1407 if (DEBUG and DEBUG & _DEBUG_INFO) phpinfo(INFO_VARIABLES | INFO_MODULES);
1411 //$x = error_reporting(); // DEBUG: why is it 1 here? should be E_ALL
1412 if (defined('E_STRICT') and (E_ALL & E_STRICT)) // strict php5?
1413 error_reporting(E_ALL & ~E_STRICT); // exclude E_STRICT
1415 error_reporting(E_ALL); // php4
1416 // don't run the main loop for special requests (test, getimg, xmlrpc, soap, ...)
1417 if (!defined('PHPWIKI_NOMAIN') or !PHPWIKI_NOMAIN)
1423 // c-basic-offset: 4
1424 // c-hanging-comment-ender-p: nil
1425 // indent-tabs-mode: nil