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 __construct()
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 $userid string Userid to attempt to sign in as.
437 private function _signIn($userid)
439 if (ENABLE_USER_NEW) {
441 $this->_user = new _BogoUser($userid);
442 // FIXME: is this always false? shouldn't we try passuser first?
444 $this->_user = new _PassUser($userid);
447 $this->_user = new WikiUser($this, $userid);
449 $user = $this->_user->AuthCheck(array('userid' => $userid));
450 if (isa($user, WikiUserClassname())) {
451 $this->_setUser($user); // success!
455 // login or logout or restore state
456 function _setUser(&$user)
458 $this->_user =& $user;
459 if (defined('MAIN_setUser')) return; // don't set cookies twice
460 $this->setCookieVar(getCookieName(), $user->getAuthenticatedId(),
461 COOKIE_EXPIRATION_DAYS, COOKIE_DOMAIN);
462 $isSignedIn = $user->isSignedIn();
464 $user->_authhow = 'signin';
467 // Save userid to prefs..
468 if (empty($this->_user->_prefs)) {
469 $this->_user->_prefs = $this->_user->getPreferences();
470 $this->_prefs =& $this->_user->_prefs;
472 $this->_user->_group = $this->getGroup();
473 $this->setSessionVar('wiki_user', $user);
474 $this->_prefs->set('userid',
475 $isSignedIn ? $user->getId() : '');
476 if (!ENABLE_USER_NEW) {
477 if (empty($this->_user->_request))
478 $this->_user->_request =& $this;
479 if (empty($this->_user->_dbi))
480 $this->_user->_dbi =& $this->_dbi;
482 $this->initializeTheme($isSignedIn ? 'login' : 'logout');
483 define('MAIN_setUser', true);
486 /* Permission system */
487 function getLevelDescription($level)
489 static $levels = false;
490 if (!$levels) // This looks like a Visual Basic hack. For the very same reason. "0"
491 $levels = array('x-1' => _("FORBIDDEN"),
496 'x100' => _("UNOBTAINABLE"));
499 if (!empty($levels["x" . $level]))
500 return $levels["x" . $level];
505 function _notAuthorized($require_level)
507 // Display the authority message in the Wiki's default
508 // language, in case it is not english.
510 // Note that normally a user will not see such an error once
511 // logged in, unless the admin has altered the default
512 // disallowed wikiactions. In that case we should probably
513 // check the user's language prefs too at this point; this
514 // would be a situation which is not really handled with the
516 if (empty($GLOBALS['LANG']))
517 update_locale(DEFAULT_LANGUAGE);
519 // User does not have required authority. Prompt for login.
520 $action = $this->getArg('action');
521 $what = $this->getActionDescription($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')));
528 $this->_user->PrintLoginForm($this, compact('require_level'), $msg);
532 // Is the reason a missing ACL or just wrong user or password?
533 if (class_exists('PagePermission')) {
534 $user =& $this->_user;
535 $status = $user->isAuthenticated() ? _("authenticated") : _("not authenticated");
536 $msg = fmt("%s %s %s is disallowed on this wiki for %s user ā%sā (level: %s).",
537 _("Missing PagePermission:"),
538 action2access($this->getArg('action')),
539 $this->getArg('pagename'),
540 $status, $user->getId(), $this->getLevelDescription($user->_level));
541 // TODO: add link to action=setacl
542 $user->PrintLoginForm($this, compact('pass_required'), $msg);
546 $msg = fmt("%s is disallowed on this wiki.",
547 $this->getDisallowedActionDescription($this->getArg('action')));
548 $this->_user->PrintLoginForm($this, compact('require_level', 'pass_required'), $msg);
552 } elseif ($require_level == WIKIAUTH_BOGO)
553 $msg = fmt("You must sign in to %s.", $what); elseif ($require_level == WIKIAUTH_USER) {
554 // LoginForm should display the relevant messages...
556 /*if (!ALLOW_ANON_USER)
557 $msg = fmt("You must log in first to %s", $what);
559 $msg = fmt("You must log in to %s.", $what);
561 } elseif ($require_level == WIKIAUTH_ANON)
562 $msg = fmt("Access for you is forbidden to %s.", $what); else
563 $msg = fmt("You must be an administrator to %s.", $what);
565 $this->_user->PrintLoginForm($this, compact('require_level', 'pass_required'),
567 if (!$GLOBALS['WikiTheme']->DUMP_MODE)
568 $this->finish(); // NORETURN
571 // Fixme: for PagePermissions we'll need other strings,
572 // relevant to the requested page, not just for the action on the whole wiki.
573 function getActionDescription($action)
575 static $actionDescriptions;
576 if (!$actionDescriptions) {
578 = array('browse' => _("view this page"),
579 'diff' => _("diff this page"),
580 'dumphtml' => _("dump html pages"),
581 'dumpserial' => _("dump serial pages"),
582 'edit' => _("edit this page"),
583 'rename' => _("rename this page"),
584 'revert' => _("revert to a previous version of this page"),
585 'create' => _("create this page"),
586 'loadfile' => _("load files into this wiki"),
587 'lock' => _("lock this page"),
588 'purge' => _("purge this page"),
589 'remove' => _("remove this page"),
590 'unlock' => _("unlock this page"),
591 'upload' => _("upload a zip dump"),
592 'verify' => _("verify the current action"),
593 'viewsource' => _("view the source of this page"),
594 'xmlrpc' => _("access this wiki via XML-RPC"),
595 'soap' => _("access this wiki via SOAP"),
596 'zip' => _("download a zip dump from this wiki"),
597 'ziphtml' => _("download a html zip dump from this wiki")
600 if (in_array($action, array_keys($actionDescriptions)))
601 return $actionDescriptions[$action];
603 return _("use") . " " . $action;
607 TODO: check against these cases:
608 if ($DisabledActions and in_array($action, $DisabledActions))
609 return WIKIAUTH_UNOBTAINABLE;
611 if (ENABLE_PAGEPERM and class_exists("PagePermission")) {
612 return requiredAuthorityForPage($action);
614 => Browsing pages is disallowed on this wiki for authenticated user 'rurban' (level: BOGO).
616 function getDisallowedActionDescription($action)
618 static $disallowedActionDescriptions;
620 if (!$disallowedActionDescriptions) {
621 $disallowedActionDescriptions
622 = array('browse' => _("Browsing pages"),
623 'diff' => _("Diffing pages"),
624 'dumphtml' => _("Dumping html pages"),
625 'dumpserial' => _("Dumping serial pages"),
626 'edit' => _("Editing pages"),
627 'revert' => _("Reverting to a previous version of pages"),
628 'create' => _("Creating pages"),
629 'loadfile' => _("Loading files"),
630 'lock' => _("Locking pages"),
631 'purge' => _("Purging pages"),
632 'remove' => _("Removing pages"),
633 'unlock' => _("Unlocking pages"),
634 'upload' => _("Uploading zip dumps"),
635 'verify' => _("Verify the current action"),
636 'viewsource' => _("Viewing the source of pages"),
637 'xmlrpc' => _("XML-RPC access"),
638 'soap' => _("SOAP access"),
639 'zip' => _("Downloading zip dumps"),
640 'ziphtml' => _("Downloading html zip dumps")
643 if (in_array($action, array_keys($disallowedActionDescriptions)))
644 return $disallowedActionDescriptions[$action];
649 function requiredAuthority($action)
651 $auth = $this->requiredAuthorityForAction($action);
652 if (!ALLOW_ANON_USER) return WIKIAUTH_USER;
655 * This is a hook for plugins to require authority
656 * for posting to them.
658 * IMPORTANT: This is not a secure check, so the plugin
659 * may not assume that any POSTs to it are authorized.
660 * All this does is cause PhpWiki to prompt for login
661 * if the user doesn't have the required authority.
663 if ($this->isPost()) {
664 $post_auth = $this->getArg('require_authority_for_post');
665 if ($post_auth !== false)
666 $auth = max($auth, $post_auth);
671 function requiredAuthorityForAction($action)
673 global $DisabledActions;
675 if ($DisabledActions and in_array($action, $DisabledActions))
676 return WIKIAUTH_UNOBTAINABLE;
678 if (ENABLE_PAGEPERM and class_exists("PagePermission")) {
679 return requiredAuthorityForPage($action);
692 return WIKIAUTH_ANON;
697 if (INSECURE_ACTIONS_LOCALHOST_ONLY and !is_localhost())
698 return WIKIAUTH_ADMIN;
699 return WIKIAUTH_ANON;
703 return WIKIAUTH_ADMIN;
704 if (INSECURE_ACTIONS_LOCALHOST_ONLY and !is_localhost())
705 return WIKIAUTH_ADMIN;
706 return WIKIAUTH_ANON;
709 if (INSECURE_ACTIONS_LOCALHOST_ONLY and is_localhost())
710 return WIKIAUTH_ANON;
711 return WIKIAUTH_ADMIN;
715 return WIKIAUTH_ADMIN;
716 return WIKIAUTH_ANON;
721 if (defined('REQUIRE_SIGNIN_BEFORE_EDIT') && REQUIRE_SIGNIN_BEFORE_EDIT)
722 return WIKIAUTH_BOGO;
723 return WIKIAUTH_ANON;
724 // return WIKIAUTH_BOGO;
727 $page = $this->getPage();
728 $current = $page->getCurrentRevision();
729 if ($current->hasDefaultContents())
730 return $this->requiredAuthorityForAction('edit');
731 return $this->requiredAuthorityForAction('browse');
744 return WIKIAUTH_ADMIN;
746 /* authcheck occurs only in the plugin.
747 required actionpage RateIt */
750 case 'delete_rating':
751 // Perhaps this should be WIKIAUTH_USER
752 return WIKIAUTH_BOGO;
756 global $WikiNameRegexp;
757 if (preg_match("/$WikiNameRegexp\Z/A", $action))
758 return WIKIAUTH_ANON; // ActionPage.
760 return WIKIAUTH_ADMIN;
765 /* End of Permission system */
767 function possiblyDeflowerVirginWiki()
769 if ($this->getArg('action') != 'browse')
771 if ($this->getArg('pagename') != HOME_PAGE)
774 $page = $this->getPage();
775 $current = $page->getCurrentRevision();
776 if ($current->getVersion() > 0)
777 return; // Homepage exists.
779 include_once 'lib/loadsave.php';
780 $this->setArg('action', 'loadfile');
782 $this->finish(); // NORETURN
785 // [574ms] mainly template:printexpansion: 393ms and template::expandsubtemplate [100+70+60ms]
786 function handleAction()
788 // Check illegal characters in page names: <>[]{}|"
789 require_once 'lib/Template.php';
790 $page = $this->getPage();
791 $pagename = $page->getName();
792 if (strlen($pagename) > MAX_PAGENAME_LENGTH) {
793 $pagename = substr($pagename, 0, MAX_PAGENAME_LENGTH - 1) . 'ā¦';
794 $CONTENT = HTML::div(array('class' => 'error'),
795 _('Page name too long'));
796 GeneratePage($CONTENT, $pagename);
799 if (preg_match("/[<\[\{\|\"\}\]>]/", $pagename, $matches) > 0) {
800 $CONTENT = HTML::div(
801 array('class' => 'error'),
802 sprintf(_("Illegal character ā%sā in page name."),
804 GeneratePage($CONTENT, $pagename);
807 $action = $this->getArg('action');
809 and !$this->_user->isAdmin()
810 and $action != 'browse'
811 and $action != 'wikitohtml'
813 if ($page->get('moderation')) {
814 require_once 'lib/WikiPlugin.php';
815 $loader = new WikiPluginLoader();
816 $plugin = $loader->getPlugin("ModeratedPage");
817 if ($plugin->handler($this, $page)) {
820 array('class' => 'wiki-edithelp'),
821 fmt("%s: action forwarded to a moderator.",
824 _("This action requires moderator approval. Please be patient."));
825 if (!empty($plugin->_tokens['CONTENT']))
826 $plugin->_tokens['CONTENT']->pushContent
829 _("You must wait for moderator approval."));
831 $plugin->_tokens['CONTENT'] = $CONTENT;
832 $title = WikiLink($page->getName());
833 $title->pushContent(' : ', WikiLink(_("ModeratedPage")));
834 GeneratePage(Template('browse', $plugin->_tokens),
836 $page->getCurrentRevision());
841 $method = "action_$action";
842 if (method_exists($this, $method)) {
844 } elseif ($page = $this->findActionPage($action)) {
845 $this->actionpage($page);
847 $this->finish(fmt("%s: Bad action", $action));
851 function finish($errormsg = false)
856 exit(); // just in case CloseDataBase calls us
859 global $ErrorManager;
860 $ErrorManager->flushPostponedErrors();
862 if (!empty($errormsg)) {
865 HTML::h2(_("Fatal PhpWiki Error")),
868 echo "\n</body></html>";
870 if (is_object($this->_user)) {
871 $this->_user->page = $this->getArg('pagename');
872 $this->_user->action = $this->getArg('action');
873 unset($this->_user->_HomePagehandle);
874 unset($this->_user->_auth_dbi);
875 unset($this->_user->_dbi);
876 unset($this->_user->_request);
883 * Generally pagename is rawurlencoded for older browsers or mozilla.
884 * Typing a pagename into the IE bar will utf-8 encode it, so we have to
885 * fix that with fixTitleEncoding().
886 * If USE_PATH_INFO = true, the pagename is stripped from the "/DATA_PATH/PageName&arg=value" line.
887 * If false, we support either "/index.php?pagename=PageName&arg=value",
888 * or the first arg (1.2.x style): "/index.php?PageName&arg=value"
890 function _deducePagename()
892 if (trim(rawurldecode($this->getArg('pagename'))))
893 return fixTitleEncoding(rawurldecode($this->getArg('pagename')));
896 $pathinfo = $this->get('PATH_INFO');
897 if (empty($pathinfo)) { // fix for CGI
898 $path = $this->get('REQUEST_URI');
899 $script = $this->get('SCRIPT_NAME');
900 $pathinfo = substr($path, strlen($script));
901 $pathinfo = preg_replace('/\?.+$/', '', $pathinfo);
903 $tail = substr($pathinfo, strlen(PATH_INFO_PREFIX));
905 if (trim($tail) != '' and $pathinfo == PATH_INFO_PREFIX . $tail) {
906 return fixTitleEncoding($tail);
908 } elseif ($this->isPost()) {
910 * In general, for security reasons, HTTP_GET_VARS should be ignored
911 * on POST requests, but we make an exception here (only for pagename).
913 * The justification for this hack is the following
914 * asymmetry: When POSTing with USE_PATH_INFO set, the
915 * pagename can (and should) be communicated through the
916 * request URL via PATH_INFO. When POSTing with
917 * USE_PATH_INFO off, this cannot be done --- the only way
918 * to communicate the pagename through the URL is via
919 * QUERY_ARGS (HTTP_GET_VARS).
921 global $HTTP_GET_VARS;
922 if (isset($HTTP_GET_VARS['pagename']) and trim($HTTP_GET_VARS['pagename'])) {
923 return fixTitleEncoding(rawurldecode($HTTP_GET_VARS['pagename']));
928 * Support for PhpWiki 1.2 style requests.
929 * Strip off "&" args (?PageName&action=...&start_debug,...)
931 $query_string = $this->get('QUERY_STRING');
932 if (trim(rawurldecode($query_string)) and preg_match('/^([^&=]+)(&.+)?$/', $query_string, $m)) {
933 return fixTitleEncoding(rawurldecode($m[1]));
936 return fixTitleEncoding(HOME_PAGE);
939 function _deduceAction()
941 if (!($action = $this->getArg('action'))) {
942 // TODO: improve this SOAP.php hack by letting SOAP use index.php
943 // or any other virtual url as with xmlrpc
944 if (defined('WIKI_SOAP') and WIKI_SOAP)
946 // Detect XML-RPC requests.
948 && ((defined("WIKI_XMLRPC") and WIKI_XMLRPC)
949 or ($this->get('CONTENT_TYPE') == 'text/xml'
950 or $this->get('CONTENT_TYPE') == 'application/xml')
951 && strstr($GLOBALS['HTTP_RAW_POST_DATA'], '<methodCall>'))
955 return 'browse'; // Default if no action specified.
958 if (method_exists($this, "action_$action"))
961 // Allow for, e.g. action=LikePages
962 if (isActionPage($action))
965 // Handle untranslated actionpages in non-english
966 // (people playing with switching languages)
967 if (0 and $GLOBALS['LANG'] != 'en') {
968 require_once 'lib/plugin/WikiTranslation.php';
969 $trans = new WikiPlugin_WikiTranslation();
970 $en_action = $trans->translate($action, 'en', $GLOBALS['LANG']);
971 if (isActionPage($en_action))
975 trigger_error("$action: Unknown action", E_USER_NOTICE);
979 function _deduceUsername()
981 global $HTTP_ENV_VARS;
983 if ($this->getArg('auth')) {
984 $auth = $this->getArg('auth');
985 if (isset($auth['userid'])) {
986 return $auth['userid'];
990 if ($user = $this->getSessionVar('wiki_user')) {
991 // Switched auth between sessions.
992 // Note: There's no way to demandload a missing class-definition
993 // afterwards! Stupid php.
994 if (defined('FUSIONFORGE') and FUSIONFORGE) {
995 if (empty($_SERVER['PHP_AUTH_USER'])) {
998 } elseif (isa($user, WikiUserClassname())) {
999 $this->_user = $user;
1000 $this->_user->_authhow = 'session';
1001 return ENABLE_USER_NEW ? $user->UserName() : $this->_user;
1005 // Sessions override http auth
1006 if (!empty($_SERVER['PHP_AUTH_USER']))
1007 return $_SERVER['PHP_AUTH_USER'];
1009 if (!empty($_SERVER['REMOTE_USER']))
1010 return $_SERVER['REMOTE_USER'];
1011 if (!empty($HTTP_ENV_VARS['REMOTE_USER']))
1012 return $HTTP_ENV_VARS['REMOTE_USER'];
1014 if ($userid = $this->getCookieVar(getCookieName())) {
1015 if (!empty($userid) and substr($userid, 0, 2) != 's:') {
1016 $this->_user->authhow = 'cookie';
1021 if ($this->getArg('action') == 'xmlrpc') { // how about SOAP?
1022 if (empty($GLOBALS['HTTP_RAW_POST_DATA']))
1023 trigger_error("Wrong always_populate_raw_post_data = Off setting in your php.ini\nCannot use xmlrpc!", E_USER_ERROR);
1024 // wiki.putPage has special otional userid/passwd arguments. check that later.
1026 if (isset($_SERVER['REMOTE_USER']))
1027 $userid = $_SERVER['REMOTE_USER'];
1028 elseif (isset($_SERVER['REMOTE_ADDR']))
1029 $userid = $_SERVER['REMOTE_ADDR']; elseif (isset($HTTP_ENV_VARS['REMOTE_ADDR']))
1030 $userid = $HTTP_ENV_VARS['REMOTE_ADDR']; elseif (isset($GLOBALS['REMOTE_ADDR']))
1031 $userid = $GLOBALS['REMOTE_ADDR'];
1038 function findActionPage($action)
1041 if (!$action) return false;
1043 if (isActionPage($action))
1044 return $cache[$action] = $action;
1046 // check for translated version, as per users preferred language
1047 // (or system default in case it is not en)
1048 $translation = gettext($action);
1050 if (isset($cache) and isset($cache[$translation]))
1051 return $cache[$translation];
1053 // check for cached translated version
1054 if ($translation and isActionPage($translation))
1055 return $cache[$action] = $translation;
1057 // Allow for, e.g. action=LikePages
1058 if (!isWikiWord($action))
1059 return $cache[$action] = false;
1061 // check for translated version (default language)
1063 if ($LANG != "en") {
1064 require_once 'lib/WikiPlugin.php';
1065 require_once 'lib/plugin/WikiTranslation.php';
1066 $trans = new WikiPlugin_WikiTranslation();
1067 $trans->lang = $LANG;
1068 $default = $trans->translate_to_en($action, $LANG);
1069 if ($default and isActionPage($default))
1070 return $cache[$action] = $default;
1072 $default = $translation;
1075 // check for english version
1076 if ($action != $translation and $action != $default) {
1077 if (isActionPage($action))
1078 return $cache[$action] = $action;
1081 trigger_error("$action: Cannot find action page", E_USER_NOTICE);
1082 return $cache[$action] = false;
1085 function action_browse()
1087 $this->buffer_output();
1088 include_once 'lib/display.php';
1092 function action_verify()
1094 $this->action_browse();
1097 function actionpage($action)
1099 $this->buffer_output();
1100 include_once 'lib/display.php';
1101 actionPage($this, $action);
1104 function adminActionSubpage($subpage)
1106 $page = __("PhpWikiAdministration") . "/" . $subpage;
1107 $action = $this->findActionPage($page);
1109 if (!$this->getArg('s'))
1110 $this->setArg('s', $this->getArg('pagename'));
1111 $this->setArg('verify', 1); // only for POST
1112 if ($this->getArg('action') != 'rename')
1113 $this->setArg('action', $action);
1114 elseif ($this->getArg('to') && !$this->getArg('admin_rename')) {
1115 $this->setArg('admin_rename',
1116 array('from' => $this->getArg('s'),
1117 'to' => $this->getArg('to'),
1118 'action' => 'select'));
1120 $this->actionpage($action);
1122 trigger_error($page . ": Cannot find action page", E_USER_WARNING);
1126 function action_chown()
1128 $this->adminActionSubpage(__("Chown"));
1131 function action_setacl()
1133 $this->adminActionSubpage(__("SetAcl"));
1136 function action_setaclsimple()
1138 $this->adminActionSubpage(__("SetAclSimple"));
1141 function action_deleteacl()
1143 $this->adminActionSubpage(__("DeleteAcl"));
1146 function action_rename()
1148 $this->adminActionSubpage(__("Rename"));
1151 function action_dump()
1153 $action = $this->findActionPage(_("PageDump"));
1155 $this->actionpage($action);
1157 // redirect to action=upgrade if admin?
1158 trigger_error(_("PageDump") . ": Cannot find action page", E_USER_WARNING);
1162 function action_diff()
1164 $this->buffer_output();
1165 include_once 'lib/diff.php';
1169 function action_search()
1171 // Decide between title or fulltextsearch (e.g. both buttons available).
1172 // Reformulate URL and redirect.
1173 $searchtype = $this->getArg('searchtype');
1174 $args = array('s' => $this->getArg('searchterm')
1175 ? $this->getArg('searchterm')
1176 : $this->getArg('s'));
1177 if ($searchtype == 'full' or $searchtype == 'fulltext') {
1178 $search_page = _("FullTextSearch");
1179 } elseif ($searchtype == 'external') {
1181 $link = new WikiPageName("Search:$s"); // Expand interwiki url. I use xapian-omega
1182 $this->redirect($link->url);
1184 $search_page = _("TitleSearch");
1185 $args['auto_redirect'] = 1;
1187 $this->redirect(WikiURL($search_page, $args, 'absolute_url'));
1190 function action_edit()
1192 $this->buffer_output();
1193 include 'lib/editpage.php';
1194 $e = new PageEditor ($this);
1198 function action_create()
1200 $this->action_edit();
1203 function action_viewsource()
1205 $this->buffer_output();
1206 include 'lib/editpage.php';
1207 $e = new PageEditor ($this);
1211 function action_lock()
1213 $page = $this->getPage();
1214 $page->set('locked', true);
1215 $this->_dbi->touch();
1216 // check ModeratedPage hook
1217 if ($moderated = $page->get('moderation')) {
1218 require_once 'lib/WikiPlugin.php';
1219 $plugin = WikiPluginLoader::getPlugin("ModeratedPage");
1220 if ($retval = $plugin->lock_check($this, $page, $moderated))
1221 $this->setArg('errormsg', $retval);
1222 } // check if a link to ModeratedPage exists
1223 elseif ($action_page = $page->existLink(_("ModeratedPage"))) {
1224 require_once 'lib/WikiPlugin.php';
1225 $plugin = WikiPluginLoader::getPlugin("ModeratedPage");
1226 if ($retval = $plugin->lock_add($this, $page, $action_page))
1227 $this->setArg('errormsg', $retval);
1229 $this->action_browse();
1232 function action_unlock()
1234 $page = $this->getPage();
1235 $page->set('locked', false);
1236 $this->_dbi->touch();
1237 $this->action_browse();
1240 function action_purge()
1242 $pagename = $this->getArg('pagename');
1243 if (strstr($pagename, _("PhpWikiAdministration"))) {
1244 $this->action_browse();
1246 include 'lib/purgepage.php';
1251 function action_remove()
1253 // This check is now redundant.
1254 //$user->requireAuth(WIKIAUTH_ADMIN);
1255 $pagename = $this->getArg('pagename');
1256 if (strstr($pagename, _("PhpWikiAdministration"))) {
1257 $this->action_browse();
1259 include 'lib/removepage.php';
1264 function action_xmlrpc()
1266 include_once 'lib/XmlRpcServer.php';
1267 $xmlrpc = new XmlRpcServer($this);
1271 function action_soap()
1273 if (defined("WIKI_SOAP") and WIKI_SOAP) // already loaded
1276 allow VIRTUAL_PATH or action=soap SOAP access
1278 include_once 'SOAP.php';
1281 function action_revert()
1283 include_once 'lib/loadsave.php';
1287 function action_zip()
1289 include_once 'lib/loadsave.php';
1293 function action_ziphtml()
1295 include_once 'lib/loadsave.php';
1296 MakeWikiZipHtml($this);
1297 // I don't think it hurts to add cruft at the end of the zip file.
1298 echo "\n========================================================\n";
1299 echo "PhpWiki " . PHPWIKI_VERSION . "\n";
1302 function action_dumpserial()
1304 include_once 'lib/loadsave.php';
1308 function action_dumphtml()
1310 include_once 'lib/loadsave.php';
1311 DumpHtmlToDir($this);
1314 function action_upload()
1316 include_once 'lib/loadsave.php';
1317 LoadPostFile($this);
1320 function action_upgrade()
1322 include_once 'lib/loadsave.php';
1323 include_once 'lib/upgrade.php';
1327 function action_loadfile()
1329 include_once 'lib/loadsave.php';
1330 LoadFileOrDir($this);
1333 function action_pdf()
1335 include_once 'lib/pdf.php';
1336 ConvertAndDisplayPdf($this);
1339 function action_captcha()
1341 include_once 'lib/Captcha.php';
1342 $captcha = new Captcha();
1343 $captcha->image($captcha->captchaword());
1346 function action_wikitohtml()
1348 include_once 'lib/WysiwygEdit/Wikiwyg.php';
1349 $wikitohtml = new WikiToHtml($this->getArg("content"), $this);
1350 $wikitohtml->send();
1353 function action_setpref()
1355 $what = $this->getArg('pref');
1356 $value = $this->getArg('value');
1357 $prefs =& $this->_user->_prefs;
1358 $prefs->set($what, $value);
1359 $this->_user->setPreferences($prefs);
1363 //FIXME: deprecated with ENABLE_PAGEPERM (?)
1364 function is_safe_action($action)
1367 return $request->requiredAuthorityForAction($action) < WIKIAUTH_ADMIN;
1370 function validateSessionPath()
1372 // Try to defer any session.save_path PHP errors before any html
1373 // is output, which causes some versions of IE to display a blank
1374 // page (due to its strict mode while parsing a page?).
1375 if (!is_writeable(ini_get('session.save_path'))) {
1376 $tmpdir = (defined('SESSION_SAVE_PATH') and SESSION_SAVE_PATH) ? SESSION_SAVE_PATH : '/tmp';
1377 if (!is_writeable($tmpdir))
1380 (sprintf(_("%s is not writable."),
1381 _("The session.save_path directory"))
1383 . sprintf(_("Please ensure that %s is writable, or redefine %s in config/config.ini."),
1384 sprintf(_("the session.save_path directory ā%sā"),
1385 ini_get('session.save_path')),
1386 'SESSION_SAVE_PATH')
1388 . sprintf(_("Attempting to use the directory ā%sā instead."),
1391 if (!is_writeable($tmpdir)) {
1393 (sprintf(_("%s is not writable."), $tmpdir)
1395 . _("Users will not be able to sign in.")
1398 @ini_set('session.save_path', $tmpdir);
1404 if (version_compare(PHP_VERSION, '5.2', '<')) {
1405 exit(_("Your PHP version is too old. You must have at least PHP 5.2."));
1408 if (!USE_DB_SESSION)
1409 validateSessionPath();
1412 if ((DEBUG & _DEBUG_APD) and extension_loaded("apd")) {
1413 //apd_set_session_trace(9);
1414 apd_set_pprof_trace();
1417 // Postpone warnings
1418 global $ErrorManager;
1419 if (defined('E_STRICT')) // and (E_ALL & E_STRICT)) // strict php5?
1420 $ErrorManager->setPostponedErrorMask(E_NOTICE | E_USER_NOTICE | E_USER_WARNING | E_WARNING | E_STRICT | ((check_php_version(5, 3)) ? E_DEPRECATED : 0));
1422 $ErrorManager->setPostponedErrorMask(E_NOTICE | E_USER_NOTICE | E_USER_WARNING | E_WARNING);
1423 $request = new WikiRequest();
1425 $action = $request->getArg('action');
1426 if (substr($action, 0, 3) != 'zip') {
1427 if ($action == 'pdf')
1428 $ErrorManager->setPostponedErrorMask(-1); // everything
1429 //else // reject postponing of warnings
1430 // $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE);
1434 * Allow for disabling of markup cache.
1435 * (Mostly for debugging ... hopefully.)
1437 * See also <<WikiAdminUtils action=purge-cache>>
1439 if (!defined('WIKIDB_NOCACHE_MARKUP')) {
1440 if ($request->getArg('nocache')) // 1 or purge
1441 define('WIKIDB_NOCACHE_MARKUP', $request->getArg('nocache'));
1443 define('WIKIDB_NOCACHE_MARKUP', false); // redundant, but explicit
1446 // Initialize with system defaults in case user not logged in.
1447 // Should this go into the constructor?
1448 $request->initializeTheme('default');
1449 $request->updateAuthAndPrefs();
1450 $request->initializeLang();
1452 $request->possiblyDeflowerVirginWiki();
1454 $validators = array('wikiname' => WIKI_NAME,
1455 'args' => wikihash($request->getArgs()),
1456 'prefs' => wikihash($request->getPrefs()));
1457 if (CACHE_CONTROL == 'STRICT') {
1458 $dbi = $request->getDbh();
1459 $timestamp = $dbi->getTimestamp();
1460 $validators['mtime'] = $timestamp;
1461 $validators['%mtime'] = (int)$timestamp;
1463 // FIXME: we should try to generate strong validators when possible,
1464 // but for now, our validator is weak, since equal validators do not
1465 // indicate byte-level equality of content. (Due to DEBUG timing output, etc...)
1467 // (If DEBUG if off, this may be a strong validator, but I'm going
1468 // to go the paranoid route here pending further study and testing.)
1469 // access hits and edit stats in the footer violate strong ETags also.
1471 $validators['%weak'] = true;
1473 $request->setValidators($validators);
1475 $request->handleAction();
1477 if (DEBUG and DEBUG & _DEBUG_INFO) phpinfo(INFO_VARIABLES | INFO_MODULES);
1481 if ((!(defined('FUSIONFORGE') and FUSIONFORGE)) || (forge_get_config('installation_environment') != 'production')) {
1482 if (defined('E_STRICT') and (E_ALL & E_STRICT)) // strict php5?
1483 error_reporting(E_ALL & ~E_STRICT); // exclude E_STRICT
1485 error_reporting(E_ALL); // php4
1487 error_reporting(E_ERROR);
1490 // don't run the main loop for special requests (test, getimg, xmlrpc, soap, ...)
1491 if (!defined('PHPWIKI_NOMAIN') or !PHPWIKI_NOMAIN)
1497 // c-basic-offset: 4
1498 // c-hanging-comment-ender-p: nil
1499 // indent-tabs-mode: nil