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<?php // -*-php-*-
rcs_id('$Id: ModeratedPage.php,v 1.4 2005/01/29 19:52:09 rurban Exp $');
/*
Copyright 2004,2005 $ThePhpWikiProgrammingTeam
This file is part of PhpWiki.
PhpWiki is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
PhpWiki is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with PhpWiki; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/**
* This plugin requires an action page (default: ModeratedPage)
* and provides delayed execution of restricted actions,
* after a special moderators request. Usually by email.
* http://mywiki/SomeModeratedPage?action=ModeratedPage&id=kdclcr78431zr43uhrn&pass=approve
*
* Not yet ready! part 3/3 is missing: The moderator approve/reject methods.
*
* See http://phpwiki.org/PageModeration
* Author: ReiniUrban
*/
require_once("lib/WikiPlugin.php");
class WikiPlugin_ModeratedPage
extends WikiPlugin
{
function getName () {
return _("ModeratedPage");
}
function getDescription () {
return _("Support moderated pages");
}
function getVersion() {
return preg_replace("/[Revision: $]/", '',
"\$Revision: 1.4 $");
}
function getDefaultArguments() {
return array('page' => '[pagename]',
'moderators' => false,
'require_level' => false, // 1=bogo
'require_access' => 'edit,remove,change',
'id' => '',
'pass' => '',
);
}
function run($dbi, $argstr, &$request, $basepage) {
$args = $this->getArgs($argstr, $request);
// handle moderation request from the email
if (!empty($args['id']) and !empty($args['pass'])) {
if (!$args['page'])
return $this->error("No page specified");
$page = $dbi->getPage($args['page']);
if ($moderated = $page->get("moderated")) {
if (array_key_exists($args['id'], $moderated['data'])) {
$moderation = $moderated['data'][$args['id']];
// handle defaults:
// approve or reject
if ($args['pass'] == 'approve')
return $this->approve($request, $args, $moderation);
elseif ($args['pass'] == 'reject')
return $this->reject($request, $args, $moderation);
else
return $this->error("Wrong pass ".$args['pass']);
} else {
return $this->error("Wrong id ".htmlentities($args['id']));
}
}
}
return '';
}
/**
* resolve moderators and require_access (not yet) from actionpage plugin argstr
*/
function resolve_argstr(&$request, $argstr) {
$args = $this->getArgs($argstr);
$group = $request->getGroup();
if (empty($args['moderators'])) {
$admins = $group->getSpecialMembersOf(GROUP_ADMIN);
// email or usernames?
$args['moderators'] = array_merge($admins, array(ADMIN_USER));
} else {
// resolve possible group names
$moderators = explode(',', $args['moderators']);
for ($i=0; $i < count($moderators); $i++) {
$members = $group->getMembersOf($moderators[$i]);
if (!empty($members)) {
array_splice($moderators, $i, 1, $members);
}
}
if (!$moderators) $moderators = array(ADMIN_USER);
$args['moderators'] = $moderators;
}
//resolve email for $args['moderators']
$page = $request->getPage();
$users = array();
foreach ($args['moderators'] as $userid) {
$users[$userid] = 0;
}
list($args['emails'], $args['moderators']) =
$page->getPageChangeEmails(array($page->getName() => $users));
if (!empty($args['require_access'])) {
$args['require_access'] = preg_split("/\s*,\s*/", $args['require_access']);
if (empty($args['require_access']))
unset($args['require_access']);
}
if ($args['require_level'] !== false) {
$args['require_level'] = (integer) $args['require_level'];
}
unset($args['id']);
unset($args['page']);
unset($args['pass']);
return $args;
}
/**
* Handle client-side moderation change request.
* Hook called on the lock action, if moderation metadata already exists.
*/
function lock_check(&$request, &$page, $moderated) {
$action_page = $request->getPage(_("ModeratedPage"));
$status = $this->getSiteStatus($request, $action_page);
if (is_array($status)) {
if (!empty($status['emails'])) {
trigger_error(_("ModeratedPage: No emails for the moderators defined"),
E_USER_WARNING);
return false;
}
$page->set('moderation', array('_status' => $status));
return $this->notice(
fmt("ModeratedPage status update:\n Moderators: '%s'\n require_access: '%s'",
join(',', $status['moderators']), $status['require_access']));
} else {
$page->set('moderation', false);
return $this->notice(HTML($status,
fmt("'%s' is no ModeratedPage anymore.", $page->getName())));
}
}
/**
* Handle client-side moderation change request by the user.
* Hook called on the lock action, if moderation metadata should be added.
* Need to store the the plugin args (who, when) in the page meta-data
*/
function lock_add(&$request, &$page, &$action_page) {
$status = $this->getSiteStatus($request, $action_page);
if (is_array($status)) {
if (!empty($status['emails'])) {
trigger_error(_("ModeratedPage: No emails for the moderators defined"),
E_USER_WARNING);
return false;
}
$page->set('moderation', array('_status' => $status));
return $this->notice(
fmt("ModeratedPage status update: '%s' is now a ModeratedPage.\n Moderators: '%s'\n require_access: '%s'",
$page->getName(), join(',', $status['moderators']), $status['require_access']));
}
else { // error
return $status;
}
}
function notice($msg) {
return HTML::div(array('class' => 'wiki-edithelp'), $msg);
}
function generateId() {
better_srand();
$s = "";
for ($i = 1; $i <= 16; $i++) {
$r = function_exists('mt_rand') ? mt_rand(55, 90) : rand(55, 90);
$s .= chr(($r < 65) ? ($r-17) : $r);
}
return $s;
}
/**
* Handle client-side POST moderation request on any moderated page.
* if ($page->get('moderation')) WikiPlugin_ModeratedPage::handler(...);
* return false if not handled (pass through), true if handled and displayed.
*/
function handler(&$request, &$page) {
$action = $request->getArg('action');
$moderated = $page->get('moderated');
// cached version, need re-lock of each page to update moderators
if (!empty($moderated['_status']))
$status = $moderated['_status'];
else {
$action_page = $request->getPage(_("ModeratedPage"));
$status = $this->getSiteStatus($request, $action_page);
$moderated['_status'] = $status;
}
if (!empty($status['emails'])) {
trigger_error(_("ModeratedPage: No emails for the moderators defined"), E_USER_WARNING);
return true;
}
// which action?
if (!empty($status['require_access'])
and !in_array(action2access($action), $status['require_access']))
return false; // allow and fall through, not moderated
if (!empty($status['require_level']) and $request->_user->_level >= $status['require_level'])
return false; // allow and fall through, not moderated
// else all post actions are moderated by default
if (1) /* or in_array($action, array('edit','remove','rename')*/ {
//$moderated = $page->get('moderated');
$id = $this->generateId();
while (!empty($moderated[$id])) $id = $this->generateId(); // avoid duplicates
$moderated['id'] = $id; // overwrite current id
$moderated['data'][$id] = array( // add current request
'timestamp' => time(),
'userid' => $request->_user->getId(),
'args' => $request->getArgs(),
'user' => serialize($request->_user),
);
$this->_tokens['CONTENT'] = HTML::div(array('class' => 'wikitext'),
fmt("%s: action forwarded to moderator %s",
$action,
join(", ", $status['moderators'])
));
// send email
$pagename = $page->getName();
$subject = "[".WIKI_NAME.'] '.$action.': '._("ModeratedPage").' '.$pagename;
if (mail(join(",", $status['emails']),
$subject,
$action.': '._("ModeratedPage").' '.$pagename."\n"
. serialize($moderated['data'][$id])
."\n<".WikiURL($pagename, array('action' => _("ModeratedPage"),
'id' => $id, 'pass' => 'approve'), 1).">"
."\n<".WikiURL($pagename, array('action' => _("ModeratedPage"),
'id' => $id, 'pass' => 'reject'), 1).">\n"
)) {
$page->set('moderated', $moderated);
return false; // pass thru
} else {
//FIXME: This msg get lost on the edit redirect
trigger_error(_("ModeratedPage Notification Error: Couldn't send email"),
E_USER_WARNING);
return true;
}
}
return false;
}
/**
* Handle admin-side moderation resolve.
* We might have to convert the GET to a POST request to continue
* with the left-over stored request.
* Better we display a post form for verification.
*/
function approve(&$request, $args, &$moderation) {
// check id, convert to POST, continue
if ($request->isPost()) {
$this->error("ModeratedPage::approve not yet implemented");
} else {
return $this->_approval_form($request, $args, $moderation, 'approve');
}
}
/**
* Handle admin-side moderation resolve.
*/
function reject(&$request, $args, &$moderation) {
// check id, delete action
if ($request->isPost()) {
$this->error("ModeratedPage::reject not yet implemented");
} else {
return $this->_approval_form($request, $args, $moderation, 'reject');
}
}
function _approval_form(&$request, $args, $moderation, $pass='approve') {
$header = HTML::h3(_("Please approve or reject this request:"));
$loader = new WikiPluginLoader();
$BackendInfo = $loader->getPlugin("_BackendInfo");
$content = HTML::table(array('border' => 1,
'cellpadding' => 2,
'cellspacing' => 0));
$myargs = $args;
$BackendInfo->_fixupData($myargs);
$content->pushContent($BackendInfo->_showhash("request args", $myargs));
$BackendInfo->_fixupData($moderation);
$content->pushContent($BackendInfo->_showhash("moderation data", $moderation));
$approve = Button('submit:ModeratedPage[approve]', _("Approve"),
$pass == 'approve' ? 'wikiadmin' : 'button');
$reject = Button('submit:ModeratedPage[reject]', _("Reject"),
$pass == 'reject' ? 'wikiadmin' : 'button');
return HTML::form(array('action' => $request->getPostURL(),
'method' => 'post'),
$header,
$content,
ENABLE_PAGEPERM ? ''
: HiddenInputs(array('require_authority_for_post' => WIKIAUTH_ADMIN)),
HiddenInputs($args),
$pass == 'approve' ? HTML::p($approve, $reject)
: HTML::p($reject, $approve));
}
/**
* Get the side-wide ModeratedPage status, reading the action-page args.
* Who are the moderators? What actions should be moderated?
*/
function getSiteStatus(&$request, &$action_page) {
$loader = new WikiPluginLoader();
$rev = $action_page->getCurrentRevision();
$content = $rev->getPackedContent();
list($pi) = explode("\n", $content, 2); // plugin ModeratedPage must be first line!
if ($parsed = $loader->parsePI($pi)) {
$plugin =& $parsed[1];
if ($plugin->getName() != _("ModeratedPage"))
return $this->error(sprintf(_("<?plugin ModeratedPage ... ?> not found in first line of %s"),
$action_page->getName()));
if (!$action_page->get('locked'))
return $this->error(sprintf(_("%s is not locked!"),
$action_page->getName()));
return $plugin->resolve_argstr($request, $parsed[2]);
} else {
return $this->error(sprintf(_("<?plugin ModeratedPage ... ?> not found in first line of %s"),
$action_page->getName()));
}
}
};
// $Log: ModeratedPage.php,v $
// Revision 1.4 2005/01/29 19:52:09 rurban
// more work on the last part
//
// Revision 1.3 2004/12/06 19:50:05 rurban
// enable action=remove which is undoable and seeable in RecentChanges: ADODB ony for now.
// renamed delete_page to purge_page.
// enable action=edit&version=-1 to force creation of a new version.
// added BABYCART_PATH config
// fixed magiqc in adodb.inc.php
// and some more docs
//
// Revision 1.2 2004/11/30 17:46:49 rurban
// added ModeratedPage POST action hook (part 2/3)
//
// Revision 1.1 2004/11/19 19:22:35 rurban
// ModeratePage part1: change status
//
// For emacs users
// Local Variables:
// mode: php
// tab-width: 8
// c-basic-offset: 4
// c-hanging-comment-ender-p: nil
// indent-tabs-mode: nil
// End:
?>
|
