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<?php
namespace Zotlabs\Lib;
use Zotlabs\Access\PermissionRoles;
use Zotlabs\Access\Permissions;
/**
* @brief Permission Categories. Permission rules for various classes of connections.
*
* Connection permissions answer the question "Can Joe view my photos?"
*
* Some permissions may be inherited from the channel's "privacy settings"
* (@ref ::Zotlabs::Access::PermissionLimits "PermissionLimits") "Who can view my
* photos (at all)?" which have higher priority than individual connection settings.
* We evaluate permission limits first, and then fall through to connection
* permissions if the permission limits didn't already make a definitive decision.
*
* After PermissionLimits and connection permissions are evaluated, individual
* content ACLs are evaluated (@ref ::Zotlabs::Access::AccessList "AccessList").
* These answer the question "Can Joe view *this* album/photo?".
*/
class Permcat {
/**
* @var array
*/
private $permcats = [];
/**
* @brief Permcat constructor.
*
* @param int $channel_id
*/
public function __construct($channel_id) {
$perms = [];
// first check role perms for a perms_connect setting
$role = get_pconfig($channel_id,'system','permissions_role');
if($role) {
$x = PermissionRoles::role_perms($role);
if($x['perms_connect']) {
$perms = Permissions::FilledPerms($x['perms_connect']);
}
}
// if no role perms it may be a custom role, see if there any autoperms
if(! $perms) {
$perms = Permissions::FilledAutoPerms($channel_id);
}
// if no autoperms it may be a custom role with manual perms
if(! $perms) {
$r = q("select channel_hash from channel where channel_id = %d",
intval($channel_id)
);
if($r) {
$x = q("select * from abconfig where chan = %d and xchan = '%s' and cat = 'my_perms'",
intval($channel_id),
dbesc($r[0]['channel_hash'])
);
if($x) {
foreach($x as $xv) {
$perms[$xv['k']] = intval($xv['v']);
}
}
}
}
// nothing was found - create a filled permission array where all permissions are 0
if(! $perms) {
$perms = Permissions::FilledPerms([]);
}
$this->permcats[] = [
'name' => 'default',
'localname' => t('default','permcat'),
'perms' => Permissions::Operms($perms),
'system' => 1
];
$p = $this->load_permcats($channel_id);
if($p) {
for($x = 0; $x < count($p); $x++) {
$this->permcats[] = [
'name' => $p[$x][0],
'localname' => $p[$x][1],
'perms' => Permissions::Operms(Permissions::FilledPerms($p[$x][2])),
'system' => intval($p[$x][3])
];
}
}
}
/**
* @brief Return array with permcats.
*
* @return array
*/
public function listing() {
return $this->permcats;
}
/**
* @brief
*
* @param string $name
* @return array
* * \e array with permcats
* * \e bool \b error if $name not found in permcats true
*/
public function fetch($name) {
if($name && $this->permcats) {
foreach($this->permcats as $permcat) {
if(strcasecmp($permcat['name'], $name) === 0) {
return $permcat;
}
}
}
return ['error' => true];
}
public function load_permcats($uid) {
$permcats = [
[ 'follower', t('follower','permcat'),
[ 'view_stream','view_profile','view_contacts','view_storage','view_pages','view_wiki',
'post_like' ], 1
],
[ 'contributor', t('contributor','permcat'),
[ 'view_stream','view_profile','view_contacts','view_storage','view_pages','view_wiki',
'post_wall','post_comments','write_wiki','post_like','tag_deliver','chat' ], 1
],
[ 'publisher', t('publisher','permcat'),
[ 'view_stream','view_profile','view_contacts','view_storage','view_pages',
'write_storage','post_wall','write_pages','write_wiki','post_comments','post_like','tag_deliver',
'chat', 'republish' ], 1
]
];
if($uid) {
$x = q("select * from pconfig where uid = %d and cat = 'permcat'",
intval($uid)
);
if($x) {
foreach($x as $xv) {
$value = ((preg_match('|^a:[0-9]+:{.*}$|s', $xv['v'])) ? unserialize($xv['v']) : $xv['v']);
$permcats[] = [ $xv['k'], $xv['k'], $value, 0 ];
}
}
}
/**
* @hooks permcats
* * \e array
*/
call_hooks('permcats', $permcats);
return $permcats;
}
static public function find_permcat($arr, $name) {
if((! $arr) || (! $name))
return false;
foreach($arr as $p)
if($p['name'] == $name)
return $p['value'];
}
static public function update($channel_id, $name, $permarr) {
PConfig::Set($channel_id, 'permcat', $name, $permarr);
}
static public function delete($channel_id, $name) {
PConfig::Delete($channel_id, 'permcat', $name);
}
}
|
