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, $pagename) {
45 return _requiredAuthorityForPagename($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)) == '_fusionforgepassuser')))
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, $this->_user->_userid);
228 } elseif ($when == 'logout') {
229 $WikiTheme->CbUserLogout($this, $this->_user->_userid);
230 } elseif ($when == 'default') {
232 if ($this->_user->_level > 0 and !$this->_user->hasHomePage()) { // NewUser
233 if (in_array($this->getArg('action'), array('edit','create')))
234 $WikiTheme->CbNewUserEdit($this, $this->_user->_userid);
239 // This really maybe should be part of the constructor, but since it
240 // may involve HTML/template output, the global $request really needs
241 // to be initialized before we do this stuff.
242 // [50ms]: 36ms if wikidb_page::exists
243 function updateAuthAndPrefs () {
245 if (isset($this->_user) and (!isa($this->_user, WikiUserClassname()))) {
246 $this->_user = false;
248 // Handle authentication request, if any.
249 if ($auth_args = $this->getArg('auth')) {
250 $this->setArg('auth', false);
251 $this->_handleAuthRequest($auth_args); // possible NORETURN
253 elseif ( ! $this->_user
254 or (isa($this->_user, WikiUserClassname())
255 and ! $this->_user->isSignedIn())) {
256 // If not auth request, try to sign in as saved user.
257 if (($saved_user = $this->getPref('userid')) != false) {
258 $this->_signIn($saved_user);
262 $action = $this->getArg('action');
264 // Save preferences in session and cookie
265 if ((defined('WIKI_XMLRPC') and !WIKI_XMLRPC) or $action != 'xmlrpc') {
266 if (isset($this->_user) and $this->_user->_userid) {
267 if (!isset($this->_user->_authhow) or $this->_user->_authhow != 'session') {
268 $this->_user->setPreferences($this->_prefs, true);
271 $tmpuser = $this->_user; // clone it
272 $this->setSessionVar('wiki_user', $tmpuser);
276 // Ensure user has permissions for action
277 // HACK ALERT: We may not set the request arg to create,
278 // since the pageeditor has an ugly logic for action == create.
279 if ($action == 'edit' or $action == 'create') {
280 $page = $this->getPage();
281 if (! $page->exists() )
286 if (! ENABLE_PAGEPERM) { // Bug #1438392 by Matt Brown
287 $require_level = $this->requiredAuthority($action);
288 if (! $this->_user->hasAuthority($require_level))
289 $this->_notAuthorized($require_level); // NORETURN
291 // novatrope patch to let only _AUTHENTICATED view pages.
292 // If there's not enough authority or forbidden, ask for a password,
293 // unless it's explicitly unobtainable. Some bad magic though.
294 if ($this->requiredAuthorityForAction($action) == WIKIAUTH_UNOBTAINABLE) {
295 $require_level = $this->requiredAuthority($action);
296 $this->_notAuthorized($require_level); // NORETURN
301 function & getUser () {
302 if (isset($this->_user))
305 return $GLOBALS['ForbiddenUser'];
308 function & getGroup () {
309 if (isset($this->_user) and isset($this->_user->_group))
310 return $this->_user->_group;
312 // Debug Strict: Only variable references should be returned by reference
313 $this->_user->_group = WikiGroup::getGroup();
314 return $this->_user->_group;
318 function & getPrefs () {
319 return $this->_prefs;
322 // Convenience function:
323 function getPref ($key) {
324 if (isset($this->_prefs)) {
325 return $this->_prefs->get($key);
328 function & getDbh () {
333 * Get requested page from the page database.
334 * By default it will grab the page requested via the URL
336 * This is a convenience function.
337 * @param string $pagename Name of page to get.
338 * @return WikiDB_Page Object with methods to pull data from
339 * database for the page requested.
341 function getPage ($pagename = false) {
342 //if (!isset($this->_dbi)) $this->getDbh();
344 $pagename = $this->getArg('pagename');
345 return $this->_dbi->getPage($pagename);
348 /** Get URL for POST actions.
350 * Officially, we should just use SCRIPT_NAME (or some such),
351 * but that causes problems when we try to issue a redirect, e.g.
352 * after saving a page.
354 * Some browsers (at least NS4 and Mozilla 0.97 won't accept
355 * a redirect from a page to itself.)
357 * So, as a HACK, we include pagename and action as query args in
358 * the URL. (These should be ignored when we receive the POST
361 function getPostURL ($pagename = false) {
362 global $HTTP_GET_VARS;
364 if ($pagename === false)
365 $pagename = $this->getArg('pagename');
366 $action = $this->getArg('action');
367 if (!empty($HTTP_GET_VARS['start_debug'])) // zend ide support
368 return WikiURL($pagename, array('action' => $action, 'start_debug' => 1));
369 elseif ($action == 'edit')
370 return WikiURL($pagename);
372 return WikiURL($pagename, array('action' => $action));
375 function _handleAuthRequest ($auth_args) {
376 if (!is_array($auth_args))
379 // Ignore password unless POST'ed.
380 if (!$this->isPost())
381 unset($auth_args['passwd']);
383 $olduser = $this->_user;
384 $user = $this->_user->AuthCheck($auth_args);
385 if (is_string($user)) {
386 // Login attempt failed.
387 $fail_message = $user;
388 $auth_args['pass_required'] = true;
389 // if clicked just on to the "sign in as:" button dont print invalid username.
390 if (!empty($auth_args['login']) and empty($auth_args['userid']))
392 // If no password was submitted, it's not really
393 // a failure --- just need to prompt for password...
394 if (!ALLOW_USER_PASSWORDS
396 and !isset($auth_args['passwd']))
398 $fail_message = false;
400 $olduser->PrintLoginForm($this, $auth_args, $fail_message, 'newpage');
401 $this->finish(); //NORETURN
403 elseif (isa($user, WikiUserClassname())) {
404 // Successful login (or logout.)
405 $this->_setUser($user);
408 // Login request cancelled.
413 * Attempt to sign in (bogo-login).
417 * @param $userid string Userid to attempt to sign in as.
420 function _signIn ($userid) {
421 if (ENABLE_USER_NEW) {
423 $this->_user = new _BogoUser($userid);
424 // FIXME: is this always false? shouldn't we try passuser first?
426 $this->_user = new _PassUser($userid);
429 $this->_user = new WikiUser($this, $userid);
431 $user = $this->_user->AuthCheck(array('userid' => $userid));
432 if (isa($user, WikiUserClassname())) {
433 $this->_setUser($user); // success!
437 // login or logout or restore state
438 function _setUser (&$user) {
439 $this->_user =& $user;
440 if (defined('MAIN_setUser')) return; // don't set cookies twice
441 $this->setCookieVar(getCookieName(), $user->getAuthenticatedId(),
442 COOKIE_EXPIRATION_DAYS, COOKIE_DOMAIN);
443 $isSignedIn = $user->isSignedIn();
445 $user->_authhow = 'signin';
448 // Save userid to prefs..
449 if ( empty($this->_user->_prefs)) {
450 $this->_user->_prefs = $this->_user->getPreferences();
451 $this->_prefs =& $this->_user->_prefs;
453 $this->_user->_group = $this->getGroup();
454 $this->setSessionVar('wiki_user', $user);
455 $this->_prefs->set('userid',
456 $isSignedIn ? $user->getId() : '');
457 if (!ENABLE_USER_NEW) {
458 if (empty($this->_user->_request))
459 $this->_user->_request =& $this;
460 if (empty($this->_user->_dbi))
461 $this->_user->_dbi =& $this->_dbi;
463 $this->initializeTheme($isSignedIn ? 'login' : 'logout');
464 define('MAIN_setUser', true);
467 /* Permission system */
468 function getLevelDescription($level) {
469 static $levels = false;
470 if (!$levels) // This looks like a Visual Basic hack. For the very same reason. "0"
471 $levels = array('x-1' => _("FORBIDDEN"),
476 'x100'=> _("UNOBTAINABLE"));
479 if (!empty($levels["x".$level]))
480 return $levels["x".$level];
485 function _notAuthorized ($require_level) {
486 // Display the authority message in the Wiki's default
487 // language, in case it is not english.
489 // Note that normally a user will not see such an error once
490 // logged in, unless the admin has altered the default
491 // disallowed wikiactions. In that case we should probably
492 // check the user's language prefs too at this point; this
493 // would be a situation which is not really handled with the
495 if (empty($GLOBALS['LANG']))
496 update_locale(DEFAULT_LANGUAGE);
498 // User does not have required authority. Prompt for login.
499 $what = $this->getActionDescription($this->getArg('action'));
500 $pass_required = ($require_level >= WIKIAUTH_USER);
501 if ($require_level == WIKIAUTH_UNOBTAINABLE) {
502 global $DisabledActions;
503 if ($DisabledActions and in_array($action, $DisabledActions)) {
504 $msg = fmt("%s is disallowed on this wiki.",
505 $this->getDisallowedActionDescription($this->getArg('action')));
509 // Is the reason a missing ACL or just wrong user or password?
510 if (class_exists('PagePermission')) {
511 $user =& $this->_user;
512 $status = $user->isAuthenticated() ? _("authenticated") : _("not authenticated");
513 $msg = fmt("%s %s %s is disallowed on this wiki for %s user '%s' (level: %s).",
514 _("Missing PagePermission:"),
515 action2access($this->getArg('action')),
516 $this->getArg('pagename'),
517 $status, $user->getId(), $this->getLevelDescription($user->_level));
518 // TODO: add link to action=setacl
519 $user->PrintLoginForm($this, compact('pass_required'), $msg);
523 $msg = fmt("%s is disallowed on this wiki.",
524 $this->getDisallowedActionDescription($this->getArg('action')));
525 $this->_user->PrintLoginForm($this, compact('require_level','pass_required'), $msg);
530 elseif ($require_level == WIKIAUTH_BOGO)
531 $msg = fmt("You must sign in to %s.", $what);
532 elseif ($require_level == WIKIAUTH_USER) {
533 // LoginForm should display the relevant messages...
535 /*if (!ALLOW_ANON_USER)
536 $msg = fmt("You must log in first to %s", $what);
538 $msg = fmt("You must log in to %s.", $what);
540 } elseif ($require_level == WIKIAUTH_ANON)
541 $msg = fmt("Access for you is forbidden to %s.", $what);
543 $msg = fmt("You must be an administrator to %s.", $what);
545 $this->_user->PrintLoginForm($this, compact('require_level','pass_required'),
547 if (!$GLOBALS['WikiTheme']->DUMP_MODE)
548 $this->finish(); // NORETURN
551 // Fixme: for PagePermissions we'll need other strings,
552 // relevant to the requested page, not just for the action on the whole wiki.
553 function getActionDescription($action) {
554 static $actionDescriptions;
555 if (! $actionDescriptions) {
557 = array('browse' => _("view this page"),
558 'diff' => _("diff this page"),
559 'dumphtml' => _("dump html pages"),
560 'dumpserial' => _("dump serial pages"),
561 'edit' => _("edit this page"),
562 'rename' => _("rename this page"),
563 'revert' => _("revert to a previous version of this page"),
564 'create' => _("create this page"),
565 'loadfile' => _("load files into this wiki"),
566 'lock' => _("lock this page"),
567 'purge' => _("purge this page"),
568 'remove' => _("remove this page"),
569 'unlock' => _("unlock this page"),
570 'upload' => _("upload a zip dump"),
571 'verify' => _("verify the current action"),
572 'viewsource' => _("view the source of this page"),
573 'xmlrpc' => _("access this wiki via XML-RPC"),
574 'soap' => _("access this wiki via SOAP"),
575 'zip' => _("download a zip dump from this wiki"),
576 'ziphtml' => _("download a html zip dump from this wiki")
579 if (in_array($action, array_keys($actionDescriptions)))
580 return $actionDescriptions[$action];
582 return _("use")." ".$action;
586 TODO: check against these cases:
587 if ($DisabledActions and in_array($action, $DisabledActions))
588 return WIKIAUTH_UNOBTAINABLE;
590 if (ENABLE_PAGEPERM and class_exists("PagePermission")) {
591 return requiredAuthorityForPage($action);
593 => Browsing pages is disallowed on this wiki for authenticated user 'rurban' (level: BOGO).
595 function getDisallowedActionDescription($action) {
596 static $disallowedActionDescriptions;
598 if (! $disallowedActionDescriptions) {
599 $disallowedActionDescriptions
600 = array('browse' => _("Browsing pages"),
601 'diff' => _("Diffing pages"),
602 'dumphtml' => _("Dumping html pages"),
603 'dumpserial' => _("Dumping serial pages"),
604 'edit' => _("Editing pages"),
605 'revert' => _("Reverting to a previous version of pages"),
606 'create' => _("Creating pages"),
607 'loadfile' => _("Loading files"),
608 'lock' => _("Locking pages"),
609 'purge' => _("Purging pages"),
610 'remove' => _("Removing pages"),
611 'unlock' => _("Unlocking pages"),
612 'upload' => _("Uploading zip dumps"),
613 'verify' => _("Verify the current action"),
614 'viewsource' => _("Viewing the source of pages"),
615 'xmlrpc' => _("XML-RPC access"),
616 'soap' => _("SOAP access"),
617 'zip' => _("Downloading zip dumps"),
618 'ziphtml' => _("Downloading html zip dumps")
621 if (in_array($action, array_keys($disallowedActionDescriptions)))
622 return $disallowedActionDescriptions[$action];
627 function requiredAuthority ($action) {
628 $auth = $this->requiredAuthorityForAction($action);
629 if (!ALLOW_ANON_USER) return WIKIAUTH_USER;
632 * This is a hook for plugins to require authority
633 * for posting to them.
635 * IMPORTANT: This is not a secure check, so the plugin
636 * may not assume that any POSTs to it are authorized.
637 * All this does is cause PhpWiki to prompt for login
638 * if the user doesn't have the required authority.
640 if ($this->isPost()) {
641 $post_auth = $this->getArg('require_authority_for_post');
642 if ($post_auth !== false)
643 $auth = max($auth, $post_auth);
648 function requiredAuthorityForAction ($action) {
649 global $DisabledActions;
651 if ($DisabledActions and in_array($action, $DisabledActions))
652 return WIKIAUTH_UNOBTAINABLE;
654 if (ENABLE_PAGEPERM and class_exists("PagePermission")) {
655 return requiredAuthorityForPage($action);
668 return WIKIAUTH_ANON;
673 if (INSECURE_ACTIONS_LOCALHOST_ONLY and !is_localhost())
674 return WIKIAUTH_ADMIN;
675 return WIKIAUTH_ANON;
679 return WIKIAUTH_ADMIN;
680 if (INSECURE_ACTIONS_LOCALHOST_ONLY and !is_localhost())
681 return WIKIAUTH_ADMIN;
682 return WIKIAUTH_ANON;
685 if (INSECURE_ACTIONS_LOCALHOST_ONLY and is_localhost())
686 return WIKIAUTH_ANON;
687 return WIKIAUTH_ADMIN;
691 return WIKIAUTH_ADMIN;
692 return WIKIAUTH_ANON;
697 if (defined('REQUIRE_SIGNIN_BEFORE_EDIT') && REQUIRE_SIGNIN_BEFORE_EDIT)
698 return WIKIAUTH_BOGO;
699 return WIKIAUTH_ANON;
700 // return WIKIAUTH_BOGO;
703 $page = $this->getPage();
704 $current = $page->getCurrentRevision();
705 if ($current->hasDefaultContents())
706 return $this->requiredAuthorityForAction('edit');
707 return $this->requiredAuthorityForAction('browse');
719 return WIKIAUTH_ADMIN;
721 /* authcheck occurs only in the plugin.
722 required actionpage RateIt */
725 case 'delete_rating':
726 // Perhaps this should be WIKIAUTH_USER
727 return WIKIAUTH_BOGO;
731 global $WikiNameRegexp;
732 if (preg_match("/$WikiNameRegexp\Z/A", $action))
733 return WIKIAUTH_ANON; // ActionPage.
735 return WIKIAUTH_ADMIN;
739 /* End of Permission system */
741 function possiblyDeflowerVirginWiki () {
742 if ($this->getArg('action') != 'browse')
744 if ($this->getArg('pagename') != HOME_PAGE)
747 $page = $this->getPage();
748 $current = $page->getCurrentRevision();
749 if ($current->getVersion() > 0)
750 return; // Homepage exists.
752 include_once 'lib/loadsave.php';
753 $this->setArg('action', 'loadfile');
755 $this->finish(); // NORETURN
758 // [574ms] mainly template:printexpansion: 393ms and template::expandsubtemplate [100+70+60ms]
759 function handleAction () {
760 // Check illegal characters in page names: <>[]{}|"
761 require_once 'lib/Template.php';
762 $page = $this->getPage();
763 $pagename = $page->getName();
764 if (strlen($pagename) > MAX_PAGENAME_LENGTH) {
765 $pagename = substr($pagename, 0, MAX_PAGENAME_LENGTH-1) . '…';
766 $CONTENT = HTML::div(array('class' => 'error'),
767 _('Page name too long'));
768 GeneratePage($CONTENT, $pagename);
771 if (preg_match("/[<\[\{\|\"\}\]>]/", $pagename, $matches) > 0) {
772 $CONTENT = HTML::div(
773 array('class' => 'error'),
774 sprintf(_("Illegal character '%s' in page name."),
776 GeneratePage($CONTENT, $pagename);
779 $action = $this->getArg('action');
781 and !$this->_user->isAdmin()
782 and $action != 'browse'
783 and $action != 'wikitohtml'
786 if ( $page->get('moderation') ) {
787 require_once 'lib/WikiPlugin.php';
788 $loader = new WikiPluginLoader();
789 $plugin = $loader->getPlugin("ModeratedPage");
790 if ($plugin->handler($this, $page)) {
793 array('class' => 'wiki-edithelp'),
794 fmt("%s: action forwarded to a moderator.",
797 _("This action requires moderator approval. Please be patient."));
798 if (!empty($plugin->_tokens['CONTENT']))
799 $plugin->_tokens['CONTENT']->pushContent
802 _("You must wait for moderator approval."));
804 $plugin->_tokens['CONTENT'] = $CONTENT;
805 $title = WikiLink($page->getName());
806 $title->pushContent(' : ', WikiLink(_("ModeratedPage")));
807 GeneratePage(Template('browse', $plugin->_tokens),
809 $page->getCurrentRevision());
814 $method = "action_$action";
815 if (method_exists($this, $method)) {
818 elseif ($page = $this->findActionPage($action)) {
819 $this->actionpage($page);
822 $this->finish(fmt("%s: Bad action", $action));
826 function finish ($errormsg = false) {
830 exit(); // just in case CloseDataBase calls us
833 global $ErrorManager;
834 $ErrorManager->flushPostponedErrors();
836 if (!empty($errormsg)) {
839 HTML::h2(_("Fatal PhpWiki Error")),
842 echo "\n</body></html>";
844 if (is_object($this->_user)) {
845 $this->_user->page = $this->getArg('pagename');
846 $this->_user->action = $this->getArg('action');
847 unset($this->_user->_HomePagehandle);
848 unset($this->_user->_auth_dbi);
849 unset($this->_user->_dbi);
850 unset($this->_user->_request);
857 * Generally pagename is rawurlencoded for older browsers or mozilla.
858 * Typing a pagename into the IE bar will utf-8 encode it, so we have to
859 * fix that with fixTitleEncoding().
860 * If USE_PATH_INFO = true, the pagename is stripped from the "/DATA_PATH/PageName&arg=value" line.
861 * If false, we support either "/index.php?pagename=PageName&arg=value",
862 * or the first arg (1.2.x style): "/index.php?PageName&arg=value"
864 function _deducePagename () {
865 if (trim(rawurldecode($this->getArg('pagename'))))
866 return fixTitleEncoding(rawurldecode($this->getArg('pagename')));
869 $pathinfo = $this->get('PATH_INFO');
870 if (empty($pathinfo)) { // fix for CGI
871 $path = $this->get('REQUEST_URI');
872 $script = $this->get('SCRIPT_NAME');
873 $pathinfo = substr($path,strlen($script));
874 $pathinfo = preg_replace('/\?.+$/','',$pathinfo);
876 $tail = substr($pathinfo, strlen(PATH_INFO_PREFIX));
878 if (trim($tail) != '' and $pathinfo == PATH_INFO_PREFIX . $tail) {
879 return fixTitleEncoding($tail);
882 elseif ($this->isPost()) {
884 * In general, for security reasons, HTTP_GET_VARS should be ignored
885 * on POST requests, but we make an exception here (only for pagename).
887 * The justification for this hack is the following
888 * asymmetry: When POSTing with USE_PATH_INFO set, the
889 * pagename can (and should) be communicated through the
890 * request URL via PATH_INFO. When POSTing with
891 * USE_PATH_INFO off, this cannot be done --- the only way
892 * to communicate the pagename through the URL is via
893 * QUERY_ARGS (HTTP_GET_VARS).
895 global $HTTP_GET_VARS;
896 if (isset($HTTP_GET_VARS['pagename']) and trim($HTTP_GET_VARS['pagename'])) {
897 return fixTitleEncoding(rawurldecode($HTTP_GET_VARS['pagename']));
902 * Support for PhpWiki 1.2 style requests.
903 * Strip off "&" args (?PageName&action=...&start_debug,...)
905 $query_string = $this->get('QUERY_STRING');
906 if (trim(rawurldecode($query_string)) and preg_match('/^([^&=]+)(&.+)?$/', $query_string, $m)) {
907 return fixTitleEncoding(rawurldecode($m[1]));
910 return fixTitleEncoding(HOME_PAGE);
913 function _deduceAction () {
914 if (!($action = $this->getArg('action'))) {
915 // TODO: improve this SOAP.php hack by letting SOAP use index.php
916 // or any other virtual url as with xmlrpc
917 if (defined('WIKI_SOAP') and WIKI_SOAP)
919 // Detect XML-RPC requests.
921 && ((defined("WIKI_XMLRPC") and WIKI_XMLRPC)
922 or ($this->get('CONTENT_TYPE') == 'text/xml'
923 or $this->get('CONTENT_TYPE') == 'application/xml')
924 && strstr($GLOBALS['HTTP_RAW_POST_DATA'], '<methodCall>'))
929 return 'browse'; // Default if no action specified.
932 if (method_exists($this, "action_$action"))
935 // Allow for, e.g. action=LikePages
936 if (isActionPage($action))
939 // Handle untranslated actionpages in non-english
940 // (people playing with switching languages)
941 if (0 and $GLOBALS['LANG'] != 'en') {
942 require_once 'lib/plugin/_WikiTranslation.php';
943 $trans = new WikiPlugin__WikiTranslation();
944 $en_action = $trans->translate($action,'en',$GLOBALS['LANG']);
945 if (isActionPage($en_action))
949 trigger_error("$action: Unknown action", E_USER_NOTICE);
953 function _deduceUsername() {
954 global $HTTP_SERVER_VARS, $HTTP_ENV_VARS;
956 if (!empty($this->args['auth']) and !empty($this->args['auth']['userid']))
957 return $this->args['auth']['userid'];
959 if ($user = $this->getSessionVar('wiki_user')) {
960 // Switched auth between sessions.
961 // Note: There's no way to demandload a missing class-definition
962 // afterwards! Stupid php.
963 if (defined('FUSIONFORGE') and FUSIONFORGE) {
964 if (empty($HTTP_SERVER_VARS['PHP_AUTH_USER'])) {
967 } elseif (isa($user, WikiUserClassname())) {
968 $this->_user = $user;
969 $this->_user->_authhow = 'session';
970 return ENABLE_USER_NEW ? $user->UserName() : $this->_user;
974 // Sessions override http auth
975 if (!empty($HTTP_SERVER_VARS['PHP_AUTH_USER']))
976 return $HTTP_SERVER_VARS['PHP_AUTH_USER'];
978 if (!empty($HTTP_SERVER_VARS['REMOTE_USER']))
979 return $HTTP_SERVER_VARS['REMOTE_USER'];
980 if (!empty($HTTP_ENV_VARS['REMOTE_USER']))
981 return $HTTP_ENV_VARS['REMOTE_USER'];
983 if ($userid = $this->getCookieVar(getCookieName())) {
984 if (!empty($userid) and substr($userid,0,2) != 's:') {
985 $this->_user->authhow = 'cookie';
990 if ($this->getArg('action') == 'xmlrpc') { // how about SOAP?
991 if (empty($GLOBALS['HTTP_RAW_POST_DATA']))
992 trigger_error("Wrong always_populate_raw_post_data = Off setting in your php.ini\nCannot use xmlrpc!", E_USER_ERROR);
993 // wiki.putPage has special otional userid/passwd arguments. check that later.
995 if (isset($HTTP_SERVER_VARS['REMOTE_USER']))
996 $userid = $HTTP_SERVER_VARS['REMOTE_USER'];
997 elseif (isset($HTTP_SERVER_VARS['REMOTE_ADDR']))
998 $userid = $HTTP_SERVER_VARS['REMOTE_ADDR'];
999 elseif (isset($HTTP_ENV_VARS['REMOTE_ADDR']))
1000 $userid = $HTTP_ENV_VARS['REMOTE_ADDR'];
1001 elseif (isset($GLOBALS['REMOTE_ADDR']))
1002 $userid = $GLOBALS['REMOTE_ADDR'];
1009 function findActionPage ($action) {
1011 if (!$action) return false;
1013 // check for translated version, as per users preferred language
1014 // (or system default in case it is not en)
1015 $translation = gettext($action);
1017 if (isset($cache) and isset($cache[$translation]))
1018 return $cache[$translation];
1020 // check for cached translated version
1021 if ($translation and isActionPage($translation))
1022 return $cache[$action] = $translation;
1024 // Allow for, e.g. action=LikePages
1025 if (!isWikiWord($action))
1026 return $cache[$action] = false;
1028 // check for translated version (default language)
1030 if ($LANG != "en") {
1031 require_once 'lib/WikiPlugin.php';
1032 require_once 'lib/plugin/_WikiTranslation.php';
1033 $trans = new WikiPlugin__WikiTranslation();
1034 $trans->lang = $LANG;
1035 $default = $trans->translate_to_en($action, $LANG);
1036 if ($default and isActionPage($default))
1037 return $cache[$action] = $default;
1039 $default = $translation;
1042 // check for english version
1043 if ($action != $translation and $action != $default) {
1044 if (isActionPage($action))
1045 return $cache[$action] = $action;
1048 trigger_error("$action: Cannot find action page", E_USER_NOTICE);
1049 return $cache[$action] = false;
1052 function action_browse () {
1053 $this->buffer_output();
1054 include_once 'lib/display.php';
1058 function action_verify () {
1059 $this->action_browse();
1062 function actionpage ($action) {
1063 $this->buffer_output();
1064 include_once 'lib/display.php';
1065 actionPage($this, $action);
1068 function adminActionSubpage ($subpage) {
1069 $page = _("PhpWikiAdministration")."/".$subpage;
1070 $action = $this->findActionPage($page);
1072 if (!$this->getArg('s'))
1073 $this->setArg('s', $this->getArg('pagename'));
1074 $this->setArg('verify', 1); // only for POST
1075 if ($this->getArg('action') != 'rename')
1076 $this->setArg('action', $action);
1077 elseif($this->getArg('to') && empty($this->args['admin_rename'])) {
1078 $this->args['admin_rename']
1079 = array('from' => $this->getArg('s'),
1080 'to' => $this->getArg('to'),
1081 'action' => 'select');
1083 $this->actionpage($action);
1085 trigger_error($page.": Cannot find action page", E_USER_WARNING);
1089 function action_chown () {
1090 $this->adminActionSubpage(_("Chown"));
1093 function action_setacl () {
1094 $this->adminActionSubpage(_("SetAcl"));
1097 function action_setaclsimple () {
1098 $this->adminActionSubpage(_("SetAclSimple"));
1101 function action_rename () {
1102 $this->adminActionSubpage(_("Rename"));
1105 function action_dump () {
1106 $action = $this->findActionPage(_("PageDump"));
1108 $this->actionpage($action);
1110 // redirect to action=upgrade if admin?
1111 trigger_error(_("PageDump").": Cannot find action page", E_USER_WARNING);
1115 function action_diff () {
1116 $this->buffer_output();
1117 include_once 'lib/diff.php';
1121 function action_search () {
1122 // Decide between title or fulltextsearch (e.g. both buttons available).
1123 // Reformulate URL and redirect.
1124 $searchtype = $this->getArg('searchtype');
1125 $args = array('s' => $this->getArg('searchterm')
1126 ? $this->getArg('searchterm')
1127 : $this->getArg('s'));
1128 if ($searchtype == 'full' or $searchtype == 'fulltext') {
1129 $search_page = _("FullTextSearch");
1131 elseif ($searchtype == 'external') {
1133 $link = new WikiPageName("Search:$s"); // Expand interwiki url. I use xapian-omega
1134 $this->redirect($link->url);
1137 $search_page = _("TitleSearch");
1138 $args['auto_redirect'] = 1;
1140 $this->redirect(WikiURL($search_page, $args, 'absolute_url'));
1143 function action_edit () {
1144 $this->buffer_output();
1145 include 'lib/editpage.php';
1146 $e = new PageEditor ($this);
1150 function action_create () {
1151 $this->action_edit();
1154 function action_viewsource () {
1155 $this->buffer_output();
1156 include 'lib/editpage.php';
1157 $e = new PageEditor ($this);
1161 function action_lock () {
1162 $page = $this->getPage();
1163 $page->set('locked', true);
1164 $this->_dbi->touch();
1165 // check ModeratedPage hook
1166 if ($moderated = $page->get('moderation')) {
1167 require_once 'lib/WikiPlugin.php';
1168 $plugin = WikiPluginLoader::getPlugin("ModeratedPage");
1169 if ($retval = $plugin->lock_check($this, $page, $moderated))
1170 $this->setArg('errormsg', $retval);
1172 // check if a link to ModeratedPage exists
1173 elseif ($action_page = $page->existLink(_("ModeratedPage"))) {
1174 require_once 'lib/WikiPlugin.php';
1175 $plugin = WikiPluginLoader::getPlugin("ModeratedPage");
1176 if ($retval = $plugin->lock_add($this, $page, $action_page))
1177 $this->setArg('errormsg', $retval);
1179 $this->action_browse();
1182 function action_unlock () {
1183 $page = $this->getPage();
1184 $page->set('locked', false);
1185 $this->_dbi->touch();
1186 $this->action_browse();
1189 function action_purge () {
1190 $pagename = $this->getArg('pagename');
1191 if (strstr($pagename, _("PhpWikiAdministration"))) {
1192 $this->action_browse();
1194 include 'lib/purgepage.php';
1199 function action_remove () {
1200 // This check is now redundant.
1201 //$user->requireAuth(WIKIAUTH_ADMIN);
1202 $pagename = $this->getArg('pagename');
1203 if (strstr($pagename, _("PhpWikiAdministration"))) {
1204 $this->action_browse();
1206 include 'lib/removepage.php';
1211 function action_xmlrpc () {
1212 include_once 'lib/XmlRpcServer.php';
1213 $xmlrpc = new XmlRpcServer($this);
1217 function action_soap () {
1218 if (defined("WIKI_SOAP") and WIKI_SOAP) // already loaded
1221 allow VIRTUAL_PATH or action=soap SOAP access
1223 include_once 'SOAP.php';
1226 function action_revert () {
1227 include_once 'lib/loadsave.php';
1231 function action_zip () {
1232 include_once 'lib/loadsave.php';
1236 function action_ziphtml () {
1237 include_once 'lib/loadsave.php';
1238 MakeWikiZipHtml($this);
1239 // I don't think it hurts to add cruft at the end of the zip file.
1240 echo "\n========================================================\n";
1241 echo "PhpWiki " . PHPWIKI_VERSION . "\n";
1244 function action_dumpserial () {
1245 include_once 'lib/loadsave.php';
1249 function action_dumphtml () {
1250 include_once 'lib/loadsave.php';
1251 DumpHtmlToDir($this);
1254 function action_upload () {
1255 include_once 'lib/loadsave.php';
1256 LoadPostFile($this);
1259 function action_upgrade () {
1260 include_once 'lib/loadsave.php';
1261 include_once 'lib/upgrade.php';
1265 function action_loadfile () {
1266 include_once 'lib/loadsave.php';
1267 LoadFileOrDir($this);
1270 function action_pdf () {
1271 include_once 'lib/pdf.php';
1272 ConvertAndDisplayPdf($this);
1275 function action_captcha () {
1276 include_once 'lib/Captcha.php';
1277 $captcha = new Captcha();
1278 $captcha->image ( $captcha->captchaword() );
1281 function action_wikitohtml () {
1282 include_once 'lib/WysiwygEdit/Wikiwyg.php';
1283 $wikitohtml = new WikiToHtml( $this->getArg("content") , $this);
1284 $wikitohtml->send();
1287 function action_setpref () {
1288 $what = $this->getArg('pref');
1289 $value = $this->getArg('value');
1290 $prefs =& $this->_user->_prefs;
1291 $prefs->set($what, $value);
1292 $num = $this->_user->setPreferences($prefs);
1296 //FIXME: deprecated with ENABLE_PAGEPERM (?)
1297 function is_safe_action ($action) {
1299 return $request->requiredAuthorityForAction($action) < WIKIAUTH_ADMIN;
1302 function validateSessionPath() {
1303 // Try to defer any session.save_path PHP errors before any html
1304 // is output, which causes some versions of IE to display a blank
1305 // page (due to its strict mode while parsing a page?).
1306 if (! is_writeable(ini_get('session.save_path'))) {
1307 $tmpdir = (defined('SESSION_SAVE_PATH') and SESSION_SAVE_PATH) ? SESSION_SAVE_PATH : '/tmp';
1308 if (!is_writeable($tmpdir))
1311 (sprintf(_("%s is not writable."),
1312 _("The session.save_path directory"))
1314 . sprintf(_("Please ensure that %s is writable, or redefine %s in config/config.ini."),
1315 sprintf(_("the session.save_path directory '%s'"),
1316 ini_get('session.save_path')),
1317 'SESSION_SAVE_PATH')
1319 . sprintf(_("Attempting to use the directory '%s' instead."),
1322 if (! is_writeable($tmpdir)) {
1324 (sprintf(_("%s is not writable."), $tmpdir)
1326 . _("Users will not be able to sign in.")
1330 @ini_set('session.save_path', $tmpdir);
1336 // latest supported: Red Hat Enterprise Linux ES release 4
1337 if (version_compare(PHP_VERSION, '4.3.9', '<')) {
1338 exit(_("Your PHP version is too old. You must have at least PHP 4.3.9"));
1341 if ( !USE_DB_SESSION )
1342 validateSessionPath();
1345 if ((DEBUG & _DEBUG_APD) and extension_loaded("apd")) {
1346 //apd_set_session_trace(9);
1347 apd_set_pprof_trace();
1350 // Postpone warnings
1351 global $ErrorManager;
1352 if (defined('E_STRICT')) // and (E_ALL & E_STRICT)) // strict php5?
1353 $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE|E_USER_WARNING|E_WARNING|E_STRICT|((check_php_version(5,3)) ? E_DEPRECATED : 0));
1355 $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE|E_USER_WARNING|E_WARNING);
1356 $request = new WikiRequest();
1358 $action = $request->getArg('action');
1359 if (substr($action, 0, 3) != 'zip') {
1360 if ($action == 'pdf')
1361 $ErrorManager->setPostponedErrorMask(-1); // everything
1362 //else // reject postponing of warnings
1363 // $ErrorManager->setPostponedErrorMask(E_NOTICE|E_USER_NOTICE);
1367 * Allow for disabling of markup cache.
1368 * (Mostly for debugging ... hopefully.)
1370 * See also <<WikiAdminUtils action=purge-cache>>
1372 if (!defined('WIKIDB_NOCACHE_MARKUP')) {
1373 if ($request->getArg('nocache')) // 1 or purge
1374 define('WIKIDB_NOCACHE_MARKUP', $request->getArg('nocache'));
1376 define('WIKIDB_NOCACHE_MARKUP', false); // redundant, but explicit
1379 // Initialize with system defaults in case user not logged in.
1380 // Should this go into the constructor?
1381 $request->initializeTheme('default');
1382 $request->updateAuthAndPrefs();
1383 $request->initializeLang();
1386 //if ($user->is_authenticated())
1387 // $LogEntry->user = $user->getId();
1389 // Memory optimization:
1390 // http://www.procata.com/blog/archives/2004/05/27/rephlux-and-php-memory-usage/
1391 // kill the global PEAR _PEAR_destructor_object_list
1392 if (!empty($_PEAR_destructor_object_list))
1393 $_PEAR_destructor_object_list = array();
1394 $request->possiblyDeflowerVirginWiki();
1396 $validators = array('wikiname' => WIKI_NAME,
1397 'args' => wikihash($request->getArgs()),
1398 'prefs' => wikihash($request->getPrefs()));
1399 if (CACHE_CONTROL == 'STRICT') {
1400 $dbi = $request->getDbh();
1401 $timestamp = $dbi->getTimestamp();
1402 $validators['mtime'] = $timestamp;
1403 $validators['%mtime'] = (int)$timestamp;
1405 // FIXME: we should try to generate strong validators when possible,
1406 // but for now, our validator is weak, since equal validators do not
1407 // indicate byte-level equality of content. (Due to DEBUG timing output, etc...)
1409 // (If DEBUG if off, this may be a strong validator, but I'm going
1410 // to go the paranoid route here pending further study and testing.)
1411 // access hits and edit stats in the footer violate strong ETags also.
1413 $validators['%weak'] = true;
1415 $request->setValidators($validators);
1417 $request->handleAction();
1419 if (DEBUG and DEBUG & _DEBUG_INFO) phpinfo(INFO_VARIABLES | INFO_MODULES);
1423 if ((!FUSIONFORGE) || (forge_get_config('installation_environment') != 'production')) {
1424 if (defined('E_STRICT') and (E_ALL & E_STRICT)) // strict php5?
1425 error_reporting(E_ALL & ~E_STRICT); // exclude E_STRICT
1427 error_reporting(E_ALL); // php4
1429 error_reporting(E_ERROR);
1432 // don't run the main loop for special requests (test, getimg, xmlrpc, soap, ...)
1433 if (!defined('PHPWIKI_NOMAIN') or !PHPWIKI_NOMAIN)
1439 // c-basic-offset: 4
1440 // c-hanging-comment-ender-p: nil
1441 // indent-tabs-mode: nil