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<?php
namespace Zotlabs\Access;
use Zotlabs\Lib as Zlib;
class Permissions {
/**
* Extensible permissions.
* To add new permissions, add to the list of $perms below, with a simple description.
*
* Also visit PermissionRoles.php and add to the $ret['perms_connect'] property for any role
* if this permission should be granted to new connections.
*
* Next look at PermissionRoles::new_custom_perms() and provide a handler for updating custom
* permission roles. You will want to set a default PermissionLimit for each channel and also
* provide a sane default for any existing connections. You may or may not wish to provide a
* default auto permission. If in doubt, leave this alone as custom permissions by definition
* are the responsbility of the channel owner to manage. You just don't want to create any
* suprises or break things so you have an opportunity to provide sane settings.
*
* Update the version here and in PermissionRoles
*
*
* Permissions with 'view' in the name are considered read permissions. Anything
* else requires authentication. Read permission limits are PERMS_PUBLIC and anything else
* is given PERMS_SPECIFIC.
*
* PermissionLimits::Std_limits() retrieves the standard limits. A permission role
* MAY alter an individual setting after retrieving the Std_limits if you require
* something different for a specific permission within the given role.
*
*/
static public function version() {
// This must match the version in PermissionRoles.php before permission updates can run.
return 1;
}
static public function Perms($filter = '') {
$perms = [
'view_stream' => t('Can view my channel stream and posts'),
'send_stream' => t('Can send me their channel stream and posts'),
'view_profile' => t('Can view my default channel profile'),
'view_contacts' => t('Can view my connections'),
'view_storage' => t('Can view my file storage and photos'),
'write_storage' => t('Can upload/modify my file storage and photos'),
'view_pages' => t('Can view my channel webpages'),
'write_pages' => t('Can create/edit my channel webpages'),
'post_wall' => t('Can post on my channel (wall) page'),
'post_comments' => t('Can comment on or like my posts'),
'post_mail' => t('Can send me private mail messages'),
'post_like' => t('Can like/dislike profiles and profile things'),
'tag_deliver' => t('Can forward to all my channel connections via @+ mentions in posts'),
'chat' => t('Can chat with me'),
'republish' => t('Can source my public posts in derived channels'),
'delegate' => t('Can administer my channel')
];
$x = array('permissions' => $perms, 'filter' => $filter);
call_hooks('permissions_list',$x);
return($x['permissions']);
}
static public function BlockedAnonPerms() {
// Perms from the above list that are blocked from anonymous observers.
// e.g. you must be authenticated.
$res = array();
$perms = PermissionLimits::Std_limits();
foreach($perms as $perm => $limit) {
if($limit != PERMS_PUBLIC) {
$res[] = $perm;
}
}
$x = array('permissions' => $res);
call_hooks('write_perms',$x);
return($x['permissions']);
}
// converts [ 0 => 'view_stream', ... ]
// to [ 'view_stream' => 1 ]
// for any permissions in $arr;
// Undeclared permissions are set to 0
static public function FilledPerms($arr) {
$everything = self::Perms();
$ret = [];
foreach($everything as $k => $v) {
if(in_array($k,$arr))
$ret[$k] = 1;
else
$ret[$k] = 0;
}
return $ret;
}
static public function FilledAutoperms($channel_id) {
if(! intval(get_pconfig($channel_id,'system','autoperms')))
return false;
$arr = [];
$r = q("select * from pconfig where uid = %d and cat = 'autoperms'",
intval($channel_id)
);
if($r) {
foreach($r as $rr) {
$arr[$rr['k']] = $arr[$rr['v']];
}
}
return $arr;
}
static public function PermsCompare($p1,$p2) {
foreach($p1 as $k => $v) {
if(! array_key_exists($k,$p2))
return false;
if($p1[$k] != $p2[$k])
return false;
}
return true;
}
}
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