Merge pull request #8384 from annando/issue-8371
Issue 8371: Improvements for picture permissions
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commit
f788cd5851
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@ -1,6 +1,6 @@
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-- ------------------------------------------
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-- Friendica 2020.03-dev (Dalmatian Bellflower)
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-- DB_UPDATE_VERSION 1336
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-- DB_UPDATE_VERSION 1337
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-- ------------------------------------------
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@ -948,6 +948,7 @@ CREATE TABLE IF NOT EXISTS `photo` (
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`allow_gid` mediumtext COMMENT 'Access Control - list of allowed groups',
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`deny_cid` mediumtext COMMENT 'Access Control - list of denied contact.id',
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`deny_gid` mediumtext COMMENT 'Access Control - list of denied groups',
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`accessible` boolean NOT NULL DEFAULT '0' COMMENT 'Make photo publicly accessible, ignoring permissions',
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`backend-class` tinytext COMMENT 'Storage backend class',
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`backend-ref` text COMMENT 'Storage backend data reference',
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`updated` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT '',
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@ -319,6 +319,7 @@ function settings_post(App $a)
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$hide_friends = (($_POST['hide-friends'] == 1) ? 1: 0);
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$hidewall = (($_POST['hidewall'] == 1) ? 1: 0);
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$unlisted = (($_POST['unlisted'] == 1) ? 1: 0);
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$accessiblephotos = (($_POST['accessible-photos'] == 1) ? 1: 0);
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$email_textonly = (($_POST['email_textonly'] == 1) ? 1 : 0);
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$detailed_notif = (($_POST['detailed_notif'] == 1) ? 1 : 0);
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@ -417,6 +418,7 @@ function settings_post(App $a)
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DI::pConfig()->set(local_user(), 'system', 'email_textonly', $email_textonly);
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DI::pConfig()->set(local_user(), 'system', 'detailed_notif', $detailed_notif);
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DI::pConfig()->set(local_user(), 'system', 'unlisted', $unlisted);
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DI::pConfig()->set(local_user(), 'system', 'accessible-photos', $accessiblephotos);
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if ($page_flags == User::PAGE_FLAGS_PRVGROUP) {
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$hidewall = 1;
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@ -843,6 +845,10 @@ function settings_content(App $a)
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'$field' => ['unlisted', DI::l10n()->t('Make public posts unlisted'), DI::pConfig()->get(local_user(), 'system', 'unlisted'), DI::l10n()->t('Your public posts will not appear on the community pages or in search results, nor be sent to relay servers. However they can still appear on public feeds on remote servers.')],
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]);
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$accessiblephotos = Renderer::replaceMacros($opt_tpl, [
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'$field' => ['accessible-photos', DI::l10n()->t('Make all posted pictures accessible'), DI::pConfig()->get(local_user(), 'system', 'accessible-photos'), DI::l10n()->t("This option makes every posted picture accessible via the direct link. This is a workaround for the problem that most other networks can't handle permissions on pictures. Non public pictures still won't be visible for the public on your photo albums though.")],
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]);
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$blockwall = Renderer::replaceMacros($opt_tpl, [
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'$field' => ['blockwall', DI::l10n()->t('Allow friends to post to your profile page?'), (intval($a->user['blockwall']) ? '0' : '1'), DI::l10n()->t('Your contacts may write posts on your profile wall. These posts will be distributed to your contacts')],
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]);
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@ -957,6 +963,7 @@ function settings_content(App $a)
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'$hide_friends' => $hide_friends,
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'$hide_wall' => $hide_wall,
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'$unlisted' => $unlisted,
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'$accessiblephotos' => $accessiblephotos,
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'$unkmail' => $unkmail,
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'$cntunkmail' => ['cntunkmail', DI::l10n()->t('Maximum private messages per day from unknown people:'), $cntunkmail , DI::l10n()->t("\x28to prevent spam abuse\x29")],
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@ -141,7 +141,7 @@ class Photo
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* @return boolean|array
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* @throws \Exception
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*/
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public static function getPhoto($resourceid, $scale = 0)
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public static function getPhoto(string $resourceid, int $scale = 0)
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{
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$r = self::selectFirst(["uid"], ["resource-id" => $resourceid]);
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if (!DBA::isResult($r)) {
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@ -150,7 +150,9 @@ class Photo
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$uid = $r["uid"];
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$sql_acl = Security::getPermissionsSQLByUserId($uid);
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$accessible = $uid ? DI::pConfig()->get($uid, 'system', 'accessible-photos') : false;
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$sql_acl = Security::getPermissionsSQLByUserId($uid, $accessible);
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$conditions = ["`resource-id` = ? AND `scale` <= ? " . $sql_acl, $resourceid, $scale];
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$params = ["order" => ["scale" => true]];
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@ -656,18 +658,29 @@ class Photo
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// Ensure to only modify photos that you own
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$srch = '<' . intval($original_contact_id) . '>';
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$condition = [
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'allow_cid' => $srch, 'allow_gid' => '', 'deny_cid' => '', 'deny_gid' => '',
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'resource-id' => $image_rid, 'uid' => $uid
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];
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$condition = ["(`allow_cid` = ? OR `allow_cid` IS NULL) AND
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(`allow_gid` = ? OR `allow_gid` IS NULL) AND
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(`deny_cid` = ? OR `deny_cid` IS NULL) AND
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(`deny_gid` = ? OR `deny_gid` IS NULL) AND
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`resource-id` = ? AND `uid` =?", $srch, '', '', '', $image_rid, $uid];
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if (!Photo::exists($condition)) {
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continue;
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}
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/// @todo Check if $str_contact_allow does contain a public forum. Then set the permissions to public.
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/**
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* @todo Existing permissions need to be mixed with the new ones.
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* Otherwise this creates problems with sharing the same picture multiple times
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* Also check if $str_contact_allow does contain a public forum.
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* Then set the permissions to public.
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*/
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$fields = ['allow_cid' => $str_contact_allow, 'allow_gid' => $str_group_allow,
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'deny_cid' => $str_contact_deny, 'deny_gid' => $str_group_deny];
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if (DI::pConfig()->get($uid, 'system', 'accessible-photos')) {
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$fields['accessible'] = true;
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}
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$condition = ['resource-id' => $image_rid, 'uid' => $uid];
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Logger::info('Set permissions', ['condition' => $condition, 'permissions' => $fields]);
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Photo::update($fields, $condition);
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@ -84,13 +84,13 @@ class Photo extends BaseModule
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}
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$photo = MPhoto::getPhoto($photoid, $scale);
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if ($photo === false) {
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$photo = MPhoto::createPhotoForSystemResource("images/nosign.jpg");
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throw new \Friendica\Network\HTTPException\NotFoundException(DI::l10n()->t('The Photo with id %s is not available.', $photoid));
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}
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break;
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}
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if ($photo === false) {
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System::httpExit('404', 'Not Found');
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throw new \Friendica\Network\HTTPException\NotFoundException();
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}
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$cacheable = ($photo["allow_cid"] . $photo["allow_gid"] . $photo["deny_cid"] . $photo["deny_gid"] === "") && (isset($photo["cacheable"]) ? $photo["cacheable"] : true);
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@ -87,20 +87,32 @@ class Security
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return false;
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}
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public static function getPermissionsSQLByUserId($owner_id)
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/**
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* Create a permission string for an element based on the visitor
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*
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* @param integer $owner_id User ID of the owner of the element
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* @param boolean $accessible Should the element be accessible anyway?
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* @return string SQL permissions
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*/
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public static function getPermissionsSQLByUserId(int $owner_id, bool $accessible = false)
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{
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$local_user = local_user();
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$remote_contact = Session::getRemoteContactID($owner_id);
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$acc_sql = '';
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if ($accessible) {
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$acc_sql = ' OR `accessible`';
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}
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/*
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* Construct permissions
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*
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* default permissions - anonymous user
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*/
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$sql = " AND allow_cid = ''
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$sql = " AND (allow_cid = ''
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AND allow_gid = ''
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AND deny_cid = ''
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AND deny_gid = '' ";
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AND deny_gid = ''" . $acc_sql . ") ";
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/*
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* Profile owner - everything is visible
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@ -123,7 +135,8 @@ class Security
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$sql = sprintf(
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" AND (NOT (deny_cid REGEXP '<%d>' OR deny_gid REGEXP '%s')
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AND (allow_cid REGEXP '<%d>' OR allow_gid REGEXP '%s' OR (allow_cid = '' AND allow_gid = ''))) ",
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AND (allow_cid REGEXP '<%d>' OR allow_gid REGEXP '%s'
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OR (allow_cid = '' AND allow_gid = ''))" . $acc_sql . ") ",
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intval($remote_contact),
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DBA::escape($gs),
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intval($remote_contact),
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@ -51,7 +51,7 @@
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use Friendica\Database\DBA;
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if (!defined('DB_UPDATE_VERSION')) {
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define('DB_UPDATE_VERSION', 1336);
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define('DB_UPDATE_VERSION', 1337);
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}
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return [
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@ -1051,6 +1051,7 @@ return [
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"allow_gid" => ["type" => "mediumtext", "comment" => "Access Control - list of allowed groups"],
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"deny_cid" => ["type" => "mediumtext", "comment" => "Access Control - list of denied contact.id"],
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"deny_gid" => ["type" => "mediumtext", "comment" => "Access Control - list of denied groups"],
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"accessible" => ["type" => "boolean", "not null" => "1", "default" => "0", "comment" => "Make photo publicly accessible, ignoring permissions"],
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"backend-class" => ["type" => "tinytext", "comment" => "Storage backend class"],
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"backend-ref" => ["type" => "text", "comment" => "Storage backend data reference"],
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"updated" => ["type" => "datetime", "not null" => "1", "default" => DBA::NULL_DATETIME, "comment" => ""]
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@ -55,6 +55,8 @@
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{{$unlisted nofilter}}
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{{$accessiblephotos nofilter}}
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{{$blockwall nofilter}}
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{{$blocktags nofilter}}
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@ -91,6 +91,8 @@
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{{$unlisted nofilter}}
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{{$accessiblephotos nofilter}}
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{{$blockwall nofilter}}
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{{$blocktags nofilter}}
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