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Path:
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File: channel.php
<?php if (!defined('VB_ENTRY')) die('Access denied.'); /*========================================================================*\ || ###################################################################### || || # vBulletin 5.3.4 || # ------------------------------------------------------------------ # || || # Copyright 2000-2017 vBulletin Solutions Inc. All Rights Reserved. # || || # This file may not be redistributed in whole or significant part. # || || # ----------------- VBULLETIN IS NOT FREE SOFTWARE ----------------- # || || # http://www.vbulletin.com | http://www.vbulletin.com/license.html # || || ###################################################################### || \*========================================================================*/ /** * vB_Api_Content_Channel * * @package vBApi * @author ebrown * @copyright Copyright (c) 2011 * @version $Id: channel.php 94924 2017-08-17 00:05:27Z ksours $ * @access public */ class vB_Api_Content_Channel extends vB_Api_Content { //override in client- the text name protected $contenttype = 'vBForum_Channel'; //The table for the type-specific data. protected $tablename = 'channel'; //We need the primary key field name. protected $primarykey = 'nodeid'; /** * Normal constructor- protected to prevent direct instantiation */ protected function __construct() { parent::__construct(); $this->library = vB_Library::instance('Content_Channel'); $this->previewField[] = 'options'; $this->previewField[] = 'styleid'; $this->previewField[] = 'filedataid'; $this->previewField[] = 'category'; } /** * Adds a new channel. * * @param mixed Array of field => value pairs which define the record. * @param array Array of options for the content being created. * skipTransaction, * skipFloodCheck, * floodchecktime, * skipDupCheck, * skipNotification * nodeonly: Boolean indicating whether extra info for channel should be created * (page, routes, etc). Used for importing channels * * @return integer the new nodeid */ public function add($data, $options = array()) { // prevent adding top level channels if (!empty($data['parentid'])) { $channel = $this->fetchChannelById($data['parentid']); if ($channel['guid'] == vB_Channel::MAIN_CHANNEL) { throw new vB_Exception_Api('cant_add_channel_to_root'); } } if (!isset($data['displayorder'])) { $data['displayorder'] = 1; } return parent::add($data, $options); } /** * Returns a channel record based on its node id * * @param int Node ID * @param array Options array, understands: * 'moderatorperms' * * @return array Channel information */ public function fetchChannelById($nodeid, $options = array()) { $nodeid = intval($nodeid); $nodes = $this->getContent($nodeid, $options); $data = array(); if (!$this->library->validate($data, vB_Library_Content::ACTION_VIEW, $nodeid, array($nodes))) { throw new vB_Exception_Api('no_permission'); } if (!empty($options['moderatorperms'])) { foreach ($nodes AS $nodeid => $node) { //Now the moderator-type permissions $nodes[$nodeid]['moderatorperms'] = vB::getUserContext()->getModeratorPerms($node); if (!empty($nodes[$nodeid]['moderatorperms'])) { foreach ($nodes[$nodeid]['moderatorperms'] AS $perm) { if ($perm > 0) { $nodes[$nodeid]['canmoderate'] = true; break; } } } } if ($this->library->getCanModerate($nodes[$nodeid])) { $nodes[$nodeid]['moderatorperms']['canmoderateposts'] = 1; } } return $nodes[$nodeid]; } /** * Returns a channel record based on its node guid * * @param string Channel GUID * * @return array Channel information */ public function fetchChannelByGUID($guid) { return vB_Library::instance('content_channel')->fetchChannelByGUID($guid); } /** * Returns a channel id based on its node guid * * @param string Channel GUID * * @return int Channel id */ public function fetchChannelIdByGUID($guid) { $channel = $this->fetchChannelByGUID($guid); return empty($channel) ? false : $channel['nodeid']; } /** * Returns an array with bbcode options for the node. * * @param int $nodeId * * @return array Array of Bbcodee options from the datastore */ public function getBbcodeOptions($nodeId) { $record = $this->assertor->getRow('vBForum:channel', array( vB_dB_Query::TYPE_KEY => vB_dB_Query::QUERY_SELECT, vB_dB_Query::CONDITIONS_KEY => array('nodeid' => $nodeId) )); $result = array(); $options = vB::getDatastore()->getValue('bf_misc_forumoptions'); foreach($options AS $optionName => $optionVal) { $result[$optionName] = (bool)($record['options'] & $optionVal); } return $result; } /** * Get a blog icon * * @param int The channel or nodeid * @param string Thumbnail version/size requested (SIZE_* constanst in vB_Api_Filedata) * * @return mixed the raw content of the image. */ function fetchChannelIcon($nodeid, $type = vB_Api_Filedata::SIZE_FULL) { if (!vB::getUserContext()->getChannelPermission('forumpermissions', 'canview', $nodeid)) { return $this->getDefaultChannelIcon($nodeid); } $channel = $this->assertor->getRow('vBForum:channel', array('nodeid' => $nodeid)); if(!$channel) { throw new vB_Exception_Api('invalid_data_w_x_y_z', array($nodeid, 'nodeid', __CLASS__, __FUNCTION__)); } if ($channel['filedataid']) { $params = array('filedataid' => $channel['filedataid'], 'type' => $type); $record = vB::getDbAssertor()->getRow('vBForum:getFiledataContent', $params); if (!empty($record)) { return vB_Image::instance()->loadFileData($record, $type, true); } } //If we don't have a valid custom icon, return the default. return $this->getDefaultChannelIcon($nodeid); } /** * Returns the default channel icon for the passed channel node ID * * @param int Channel Node ID * * @return array The array of icon information. */ private function getDefaultChannelIcon($nodeid) { $is_sg = vB_Api::instanceInternal('socialgroup')->isSGChannel($nodeid); $is_blog = $def_icon = false; if (!empty($is_sg)) { $def_icon = "default_sg_large.png"; } else { $is_blog = vB_Api::instanceInternal('blog')->isBlogNode($nodeid); if (!empty($is_blog)) { $def_icon = "default_blog_large.png"; } } if (!empty($def_icon)) { return array( 'filesize' => filesize(DIR . "/images/default/$def_icon"), 'dateline' => vB::getRequest()->getTimeNow(), 'headers' => vB_Library::instance('content_attach')->getAttachmentHeaders('png'), 'filename' => $def_icon, 'extension' => 'png', 'filedataid' => 0, 'is_default' => 1, 'filedata' => file_get_contents(DIR . "/images/default/$def_icon") ); } else { $cleargif = DIR . '/clear.gif'; $clearinfo = pathinfo($cleargif); return array( 'filesize' => filesize($cleargif), 'dateline' => vB::getRequest()->getTimeNow(), 'headers' => vB_Library::instance('content_attach')->getAttachmentHeaders($clearinfo['extension']), 'filename' => $clearinfo['basename'], 'extension' => $clearinfo['extension'], 'is_default' => 2, 'filedataid' => 0, 'filedata' => file_get_contents($cleargif) ); } } /** * Returs the contributors for a channel * * @param int Channel Node ID * * @return array List of channel contributors/authors. */ public function getContributors($nodeId) { $db = vB::getDbAssertor(); $users = array(); // fetch relevant usergroups $systemgroups = array(); $usergroups = $db->assertQuery('vBForum:usergroup', array( vB_dB_Query::TYPE_KEY => vB_dB_Query::QUERY_SELECT, 'systemgroupid' => array( vB_Api_UserGroup::CHANNEL_OWNER_SYSGROUPID, vB_Api_UserGroup::CHANNEL_MODERATOR_SYSGROUPID, vB_Api_UserGroup::CHANNEL_MEMBER_SYSGROUPID ) )); foreach ($usergroups as $usergroup) { $systemgroups[$usergroup['systemgroupid']] = $usergroup['usergroupid']; } $userids = array(); // fetch active contributors $active = $db->assertQuery('vBForum:fetchActiveChannelContributors', array('nodeid' => $nodeId)); if ($active AND $active->valid()) { foreach($active AS $a) { switch ($a['systemgroupid']) { case vB_Api_UserGroup::CHANNEL_OWNER_SYSGROUPID: $role = 'owner'; break; case vB_Api_UserGroup::CHANNEL_MODERATOR_SYSGROUPID: $role = 'moderator'; break; case vB_Api_UserGroup::CHANNEL_MEMBER_SYSGROUPID: $role = 'member'; break; default: continue; } $userids[$a['userid']] = $a['userid']; $result['active'][$role][] = array( 'usergroupid' => $a['usergroupid'], 'userid' => $a['userid'] ); } } // fetch pending contributors $pending = $db->assertQuery('vBForum:fetchPendingChannelContributors', array('nodeid' => $nodeId)); if ($pending AND $pending->valid()) { foreach($pending AS $p) { switch ($p['about']) { case vB_Api_Node::REQUEST_TAKE_OWNER: case vB_Api_Node::REQUEST_SG_TAKE_OWNER: $role = 'owner'; $usergroupid = $systemgroups[vB_Api_UserGroup::CHANNEL_OWNER_SYSGROUPID]; break; case vB_Api_Node::REQUEST_TAKE_MODERATOR: case vB_Api_Node::REQUEST_SG_TAKE_MODERATOR: $role = 'moderator'; $usergroupid = $systemgroups[vB_Api_UserGroup::CHANNEL_MODERATOR_SYSGROUPID]; break; default: continue; } $userids[$p['recipientid']] = $p['recipientid']; $result['pending'][$role][] = array( 'usergroupid' => $usergroupid, 'userid' => $p['recipientid'], ); } } if (!empty($userids)) { $usernames = vB_Library::instance('user')->fetchUserNames($userids); foreach ($result as $status => $roles) { foreach ($roles as $role => $users) { foreach ($users as $index => $user) { if (!empty($usernames[$user['userid']])) { $result[$status][$role][$index]['username'] = $usernames[$user['userid']]; } } } } } return $result; } /** * Converts a channel from a forum to a category or vice versa. * * @param bool $makeCategory If true it will convert the channel to a category, if false to a forum. * @param int $nodeId Channel Node ID. * * @return bool */ public function switchForumCategory($makeCategory, $nodeId) { $this->checkHasAdminPermission('canadminforums'); //Only continue if we are switching. $channel = $this->library->getContent($nodeId); if ((bool)$channel[$nodeId]['category'] == (bool)$makeCategory) { return true; } // can't convert a top level channel if (in_array($nodeId, $this->fetchTopLevelChannelIds())) { throw new vB_Exception_Api('cannot_convert_channel'); } return $this->library->switchForumCategory($makeCategory, $nodeId); } /** * Fetches the top level Channels/Categories * * @return array Array of channel information */ public function fetchTopLevelChannelIds() { $topLevelChannels = array( 'forum' => vB_Channel::DEFAULT_FORUM_PARENT, 'blog' => vB_Channel::DEFAULT_BLOG_PARENT, 'groups' => vB_Channel::DEFAULT_SOCIALGROUP_PARENT, 'articles' => vB_Channel::DEFAULT_ARTICLE_PARENT, 'special' => vB_Channel::DEFAULT_CHANNEL_PARENT, ); $channels = array(); $channels_res = vB::getDbAssertor()->assertQuery('vBForum:channel', array('guid' => $topLevelChannels)); foreach ($channels_res as $channel) { $area = array_search($channel['guid'], $topLevelChannels); $channels[$area] = $channel['nodeid']; } return $channels; } /** * Fetches the top level Channel/Category for a node/nodes * * @param int|array $nodeids An integer Node ID or an array of int Node IDs. * * @throws vB_Exception_Api 'invalid_data' * * @return int|false Returns false on failure or the top level channel node ID. */ public function getTopLevelChannel($nodeids) { if (!is_array($nodeids)) { $nodeids = array($nodeids); } $toplevel = $this->fetchTopLevelChannelIds(); $parent = false; foreach ($nodeids as $nodeid) { $parents = vB::getDbAssertor()->getRow('vBForum:closure', array( 'child' => $nodeid, 'parent' => $toplevel), array('field' => 'depth', 'direction' => vB_dB_Query::SORT_DESC)); // the nodes belog to different top level channels if (!empty($parent) AND ($parents['parent'] != $parent)) { throw new vB_Exception_Api('invalid_data'); } $parent = empty($parents) ? false : $parents['parent']; } return $parent; } /** * Tells whether or not the current user can add a new channel for the given node * * @param int Nodeid to check * * @throws vB_Exception_Api 'invalid_data_w_x_y_z', 'no_permission' * * @return array Array containing checks information. It contains two keys or the standard error array: * 'can' -- to indicate if user can or can not add channel to the node. * 'exceeded' -- value indicating if user already reached the max channels allowed at node level. */ public function canAddChannel($nodeid) { if (!is_numeric($nodeid) OR ($nodeid < 1)) { throw new vB_Exception_Api('invalid_data_w_x_y_z', array($nodeid, '$nodeid', __CLASS__, __FUNCTION__)); } $usercontext = vB::getUserContext(); if (!$usercontext->getChannelPermission('createpermissions', 'vbforum_channel', $nodeid) OR !$usercontext->getChannelPermission('forumpermissions', 'canjoin', $nodeid) OR !$usercontext->getChannelPermission('forumpermissions', 'canview', $nodeid) ) { throw new vB_Exception_Api('no_permission'); } $queryParams = array('parent' => $nodeid, 'userid' => $usercontext->fetchUserId()); $total = vB::getDbAssertor()->getRow('vBForum:getUserChannelsCount', $queryParams); $totalCount = $total['totalcount']; $maxchannels = $usercontext->getChannelLimits($nodeid, 'maxchannels'); if(($maxchannels > 0) AND ($totalCount >= $maxchannels)) { return array('can' => false, 'exceeded' => $maxchannels); } return array('can' => true, 'exceeded' => 0); } /** * Checks the permissions to upload a channel icon * * @param int $nodeid * @param array $data * * @return true Returns true if the icon is acceptible */ public function validateIcon($nodeid, $data) { if (empty($nodeid) OR !intval($nodeid)) { throw new vB_Exception_Api('invalid_data'); } if (!vB::getUserContext()->getChannelPermission('forumpermissions', 'canuploadchannelicon', $nodeid)) { throw new vB_Exception_Api('can_not_use_channel_icon'); } if (!empty($data['filedata']) AND !empty($data['filesize'])) { $filedata = $data; } else if (!empty($data['filedataid'])) { $filedata = vB_Api::instanceInternal('filedata')->fetchImageByFiledataid($data['filedataid']); } // Is the image animated? This is how it is checked in vB_Image_GD::fetchImageInfo // For some reason some animated GIFs are uploaded unanimated, I couldn't find the cause if ((strpos($filedata['filedata'], 'NETSCAPE2.0') !== false) AND !vB::getUserContext()->getChannelPermission('forumpermissions', 'cananimatedchannelicon', $nodeid)) { throw new vB_Exception_Api('can_not_use_animated_channel_icon'); } $imageLimit = vB::getUserContext()->getChannelLimits($nodeid, 'channeliconmaxsize'); if ($imageLimit > 0 AND $filedata['filesize'] > $imageLimit) { throw new vB_Exception_Api( 'upload_file_exceeds_limit', array( vb_number_format($filedata['filesize'], 1, true), vb_number_format($imageLimit, 1, true) ) ); } return true; } /** * Updates the given channel * * @param int $nodeid * @param int $data * * @return bool */ public function update($nodeid, $data) { if (!empty($data['filedataid'])) { $this->validateIcon($nodeid, array('filedataid' => $data['filedataid'])); $oldChannelData = $this->fetchChannelById($nodeid); } $ret = parent::update($nodeid, $data); if (!empty($data['filedataid'])) { $assertor = vB::getDbAssertor(); $assertor->assertQuery('incrementFiledataRefcountAndMakePublic', array('filedataid' => $data['filedataid'])); if (!empty($oldChannelData)) { $assertor->assertQuery('decrementFiledataRefcount', array('filedataid' => $oldChannelData['filedataid'])); } } return $ret; } /** * Cleans the input in the $data array, directly updating $data. * * @param mixed Array of fieldname => data pairs, passed by reference. * @param int|false Nodeid of the node being edited, false if creating new */ public function cleanInput($data, $nodeid = false) { $parentid = empty($data['parentid']) ? $nodeid : $data['parentid']; $userCanUseHtml = false; if (!empty($parentid)) { $userCanUseHtml = vB::getUserContext()->getChannelPermission('forumpermissions2', 'canusehtml', $parentid); } // We're only allowing html in titles and descriptions for channels. // htmltitle not included because if it was provided, it should still not have html in it anyway. $htmlFields = array('title', 'description'); $htmlData = array(); $cleaner = vB::getCleaner(); if ($userCanUseHtml) { foreach ($htmlFields as $fieldname) { if (isset($data[$fieldname])) { $htmlData[$fieldname] = $cleaner->clean($data[$fieldname], vB_Cleaner::TYPE_STR); } } } $data = parent::cleanInput($data, $nodeid); // Let vB_Api_Content cleanInput do it's thing, then just replace the html fields if they were set. foreach ($htmlData AS $fieldname => $value) { $data[$fieldname] = $value; } return $data; } /** * Determines if the current user can moderate the passed node * * @param int|array Node ID or array of Node IDs. */ public function getCanModerate($node) { if (is_array($node)) { return $this->library->getCanModerate($node); } else if (intval($node)) { return $this->library->getCanModerate(null, null, null, $node); } return false; } /** * Permanently deletes a node * * @param integer The nodeid of the record to be deleted * * @return boolean */ public function delete($nodeid) { $nodecontent = $this->getContent($nodeid); if (isset($nodecontent[$nodeid])) { $nodecontent = $nodecontent[$nodeid]; } else { throw new vB_Exception_Api('invalid_node_id'); } // Note: The library delete has a check to prevent top level channels from being deleted, but // that excludes channels like the root channel, or the special, privatemessage or vm channels. $guids = vB_Channel::getProtectedChannelGuids(); if (in_array($nodecontent['guid'], array_values($guids))) { throw new vB_Exception_Api('can_not_remove_default_channel'); } // the reason there is no permission check in this function is because the parent (vB_Api_Content) performs the checks return parent::delete($nodeid); } /** * Returns array of data indicating user's view permissions for the report & infraction channels. * Used by template widget_privatemessage_navigation * * @return Array * - Array 'result' * - bool 'can_view_reports' True if user can view the report channel * - bool 'can_view_infractions' True if user can view the infraction channel * Ex: * array('result' => array('can_view_reports' => true, 'can_view_infractions' => false)) */ public function canViewReportsAndInfractions() { $reportChannelid = $this->fetchChannelIdByGUID(vB_Channel::REPORT_CHANNEL); $infractionChannelid = $this->fetchChannelIdByGUID(vB_Channel::INFRACTION_CHANNEL); // We need some dummy variable since the first param is passed by reference, even though we don't use it. $data = array(); $canViewReports = $this->library->validate($data, vB_Library_Content::ACTION_VIEW, $reportChannelid); $data = array(); // ATM this isn't even used for ACTION_VIEW and its contents are not changed, but just in case that changes in the future... $canViewInfractions = $this->library->validate($data, vB_Library_Content::ACTION_VIEW, $infractionChannelid); $return = array( 'result' => array( 'can_view_reports' => $canViewReports, 'can_view_infractions' => $canViewInfractions, ), ); return $return; } } /*=========================================================================*\ || ####################################################################### || # NulleD By - vBSupport.org || # CVS: $RCSfile$ - $Revision: 94924 $ || ####################################################################### \*=========================================================================*/
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