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103 lines
No EOL
2.8 KiB
PHP
103 lines
No EOL
2.8 KiB
PHP
<?php
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namespace Zotlabs\Access;
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use App;
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use Zotlabs\Lib\PConfig;
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/**
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* @brief Permission limits.
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*
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* Permission limits are a very high level permission setting. They are hard
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* limits by design.
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* "Who can view my photos (at all)?"
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* "Who can post photos in my albums (at all)?"
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*
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* For viewing permissions we generally set these to 'anybody' and for write
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* permissions we generally set them to 'those I allow', though many people
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* restrict the viewing permissions further for things like 'Can view my connections'.
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*
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* People get confused enough by permissions that we wanted a place to set their
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* privacy expectations once and be done with it.
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*
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* Connection related permissions like "Can Joe view my photos?" are handled by
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* @ref ::Zotlabs::Lib::Permcat "Permcat" and inherit from the channel's Permission
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* limits.
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*
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* @see Permissions
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*/
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class PermissionLimits {
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/**
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* @brief Get standard permission limits.
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*
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* Viewing permissions and post_comments permission are set to 'anybody',
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* other permissions are set to 'those I allow'.
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*
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* The list of permissions comes from Permissions::Perms().
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*
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* @return array
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*/
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static public function Std_Limits() {
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$limits = [];
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$perms = Permissions::Perms();
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foreach($perms as $k => $v) {
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if(strstr($k, 'view'))
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$limits[$k] = PERMS_PUBLIC;
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else
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$limits[$k] = PERMS_SPECIFIC;
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}
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return $limits;
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}
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/**
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* @brief Sets a permission limit for a channel.
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*
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* @param int $channel_id
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* @param string $perm
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* @param int $perm_limit one of PERMS_* constants
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*/
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static public function Set($channel_id, $perm, $perm_limit) {
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PConfig::Set($channel_id, 'perm_limits', $perm, $perm_limit);
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}
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/**
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* @brief Get a channel's permission limits.
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*
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* Return a channel's permission limits from PConfig. If $perm is set just
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* return this permission limit, if not set, return an array with all
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* permission limits.
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*
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* @param int $channel_id
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* @param string $perm (optional)
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* @return
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* * \b false if no perm_limits set for this channel
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* * \b int if $perm is set, return one of PERMS_* constants for this permission, default 0
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* * \b array with all permission limits, if $perm is not set
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*/
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static public function Get($channel_id, $perm = '') {
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if (! intval($channel_id)) {
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return false;
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}
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if($perm) {
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$x = PConfig::Get($channel_id, 'perm_limits', $perm);
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if($x === false) {
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$a = [ 'channel_id' => $channel_id, 'permission' => $perm, 'value' => $x ];
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call_hooks('permission_limits_get',$a);
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return intval($a['value']);
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}
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return intval($x);
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}
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PConfig::Load($channel_id);
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if(array_key_exists($channel_id, App::$config) && array_key_exists('perm_limits', App::$config[$channel_id])) {
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return App::$config[$channel_id]['perm_limits'];
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}
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return false;
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}
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} |