finally fix recursive attachments permissions

This commit is contained in:
git-marijus 2017-08-01 23:20:39 +02:00
parent aa766b53d6
commit 599b395e24

View File

@ -1605,7 +1605,10 @@ function file_activity($channel_id, $object, $allow_cid, $allow_gid, $deny_cid,
$folder_hash = $object['folder']; $folder_hash = $object['folder'];
$r_perms = recursive_activity_recipients($arr_allow_cid, $arr_allow_gid, $arr_deny_cid, $arr_deny_gid, $folder_hash); $r_perms = attach_recursive_perms($arr_allow_cid, $arr_allow_gid, $arr_deny_cid, $arr_deny_gid, $folder_hash);
if($r_perms === false) //nobody has recursive perms - nobody must be notified
return;
//split up returned perms //split up returned perms
$arr_allow_cid = $r_perms['allow_cid']; $arr_allow_cid = $r_perms['allow_cid'];
@ -1768,7 +1771,7 @@ function get_file_activity_object($channel_id, $hash, $url) {
} }
/** /**
* @brief Returns array of channels which have recursive permission for a file * @brief Returns recursive permissions array or false if nobody has recursive permissions
* *
* @param array $arr_allow_cid * @param array $arr_allow_cid
* @param array $arr_allow_gid * @param array $arr_allow_gid
@ -1776,19 +1779,20 @@ function get_file_activity_object($channel_id, $hash, $url) {
* @param array $arr_deny_gid * @param array $arr_deny_gid
* @param string $folder_hash * @param string $folder_hash
*/ */
function recursive_activity_recipients($arr_allow_cid, $arr_allow_gid, $arr_deny_cid, $arr_deny_gid, $folder_hash) { function attach_recursive_perms($arr_allow_cid, $arr_allow_gid, $arr_deny_cid, $arr_deny_gid, $folder_hash) {
$ret = array(); $ret = array();
$parent_arr = array(); $parent_arr = array();
$count_values = array(); $count_values = array();
$poster = App::get_observer(); $poster = App::get_observer();
//turn allow_gid into allow_cid's //lookup all channels in sharee group and add them to sharee $arr_allow_cid
foreach($arr_allow_gid as $gid) { if($arr_allow_gid) {
$in_group = group_get_members($gid); $in_group = expand_groups($arr_allow_gid);
$arr_allow_cid = array_unique(array_merge($arr_allow_cid, $in_group)); $arr_allow_cid = array_unique(array_merge($arr_allow_cid, $in_group));
} }
//count existing parent folders - we will compare to that count later
$count = 0; $count = 0;
while($folder_hash) { while($folder_hash) {
$x = q("SELECT allow_cid, allow_gid, deny_cid, deny_gid, folder FROM attach WHERE hash = '%s' LIMIT 1", $x = q("SELECT allow_cid, allow_gid, deny_cid, deny_gid, folder FROM attach WHERE hash = '%s' LIMIT 1",
@ -1797,30 +1801,20 @@ function recursive_activity_recipients($arr_allow_cid, $arr_allow_gid, $arr_deny
//only process private folders //only process private folders
if($x[0]['allow_cid'] || $x[0]['allow_gid'] || $x[0]['deny_cid'] || $x[0]['deny_gid']) { if($x[0]['allow_cid'] || $x[0]['allow_gid'] || $x[0]['deny_cid'] || $x[0]['deny_gid']) {
$parent_arr['allow_cid'][] = expand_acl($x[0]['allow_cid']); $parent_arr['allow_cid'][] = expand_acl($x[0]['allow_cid']);
$parent_arr['allow_gid'][] = expand_acl($x[0]['allow_gid']); $parent_arr['allow_gid'][] = expand_acl($x[0]['allow_gid']);
/**
* @TODO should find a much better solution for the allow_cid <-> allow_gid problem.
* Do not use allow_gid for now. Instead lookup the members of the group directly and add them to allow_cid.
* */
if($parent_arr['allow_gid']) {
foreach($parent_arr['allow_gid'][$count] as $gid) {
$in_group = group_get_members($gid);
$parent_arr['allow_cid'][$count] = array_unique(array_merge($parent_arr['allow_cid'][$count], $in_group));
}
}
$parent_arr['deny_cid'][] = expand_acl($x[0]['deny_cid']); $parent_arr['deny_cid'][] = expand_acl($x[0]['deny_cid']);
$parent_arr['deny_gid'][] = expand_acl($x[0]['deny_gid']); $parent_arr['deny_gid'][] = expand_acl($x[0]['deny_gid']);
//this is the number of all existing parent folders - we will compare to that count later
$count++; $count++;
} }
$folder_hash = $x[0]['folder']; $folder_hash = $x[0]['folder'];
} }
//logger(EOL . 'parent_arr: ' . print_r($parent_arr,true));
//if none of the parent folders is private just return file perms //if none of the parent folders is private just return file perms
if(!$parent_arr['allow_cid'] && !$parent_arr['allow_gid'] && !$parent_arr['deny_cid'] && !$parent_arr['deny_gid']) { if(!$parent_arr['allow_cid'] && !$parent_arr['allow_gid'] && !$parent_arr['deny_cid'] && !$parent_arr['deny_gid']) {
$ret['allow_gid'] = $arr_allow_gid; $ret['allow_gid'] = $arr_allow_gid;
@ -1831,7 +1825,7 @@ function recursive_activity_recipients($arr_allow_cid, $arr_allow_gid, $arr_deny
return $ret; return $ret;
} }
//if there are no perms on the file we get them from the first parent folder //if there are no perms on the file we will work with the perms from the first parent folder
if(!$arr_allow_cid && !$arr_allow_gid && !$arr_deny_cid && !$arr_deny_gid) { if(!$arr_allow_cid && !$arr_allow_gid && !$arr_deny_cid && !$arr_deny_gid) {
$arr_allow_cid = $parent_arr['allow_cid'][0]; $arr_allow_cid = $parent_arr['allow_cid'][0];
$arr_allow_gid = $parent_arr['allow_gid'][0]; $arr_allow_gid = $parent_arr['allow_gid'][0];
@ -1839,51 +1833,82 @@ function recursive_activity_recipients($arr_allow_cid, $arr_allow_gid, $arr_deny
$arr_deny_gid = $parent_arr['deny_gid'][0]; $arr_deny_gid = $parent_arr['deny_gid'][0];
} }
//allow_cid
$r_arr_allow_cid = false; /***
foreach ($parent_arr['allow_cid'] as $folder_arr_allow_cid) { *
foreach ($folder_arr_allow_cid as $ac_hash) { * check if sharee has perms for all parent folders
$count_values[$ac_hash]++; *
***/
$r_arr_allow_cid = [];
if($parent_arr['allow_cid']) {
//check sharee arr_allow_cid against allow_cid of all parent folders
foreach($parent_arr['allow_cid'] as $folder_arr_allow_cid) {
foreach($folder_arr_allow_cid as $ac_hash) {
$count_values[$ac_hash]++;
}
} }
} foreach($arr_allow_cid as $fac_hash) {
foreach ($arr_allow_cid as $fac_hash) { if($count_values[$fac_hash] == $count)
if($count_values[$fac_hash] == $count) $r_arr_allow_cid[] = $fac_hash;
$r_arr_allow_cid[] = $fac_hash; }
//logger(EOL . 'r_arr_allow_cid: ' . print_r($r_arr_allow_cid,true));
} }
//allow_gid if($parent_arr['allow_gid']) {
$r_arr_allow_gid = false; //check sharee arr_allow_cid against members of allow_gid of all parent folders
foreach ($parent_arr['allow_gid'] as $folder_arr_allow_gid) { foreach($parent_arr['allow_gid'] as $folder_arr_allow_gid) {
foreach ($folder_arr_allow_gid as $ag_hash) { //get the group members
$count_values[$ag_hash]++; $folder_arr_allow_cid = expand_groups($folder_arr_allow_gid);
foreach($folder_arr_allow_cid as $ac_hash) {
$count_values[$ac_hash]++;
}
} }
foreach($arr_allow_cid as $fac_hash) {
if($count_values[$fac_hash] == $count)
$r_arr_allow_cid[] = $fac_hash;
}
//logger(EOL . 'groups - r_arr_allow_cid: ' . print_r($r_arr_allow_cid,true));
} }
foreach ($arr_allow_gid as $fag_hash) {
if($count_values[$fag_hash] == $count)
$r_arr_allow_gid[] = $fag_hash; /***
*
* check if sharee is denied somewhere in parent folders and deny him if so
*
***/
//deny_cid
$r_arr_deny_cid = [];
if($parent_arr['deny_cid']) {
foreach($parent_arr['deny_cid'] as $folder_arr_deny_cid) {
$r_arr_deny_cid = array_merge($arr_deny_cid, $folder_arr_deny_cid);
}
$r_arr_deny_cid = array_unique($r_arr_deny_cid);
//logger(EOL . 'r_arr_deny_cid: ' . print_r($r_arr_deny_cid,true));
} }
//deny_gid //deny_gid
foreach($parent_arr['deny_gid'] as $folder_arr_deny_gid) { $r_arr_deny_gid = [];
$r_arr_deny_gid = array_merge($arr_deny_gid, $folder_arr_deny_gid);
}
$r_arr_deny_gid = array_unique($r_arr_deny_gid);
//deny_cid if($parent_arr['deny_cid']) {
foreach($parent_arr['deny_cid'] as $folder_arr_deny_cid) { foreach($parent_arr['deny_gid'] as $folder_arr_deny_gid) {
$r_arr_deny_cid = array_merge($arr_deny_cid, $folder_arr_deny_cid); $r_arr_deny_gid = array_merge($arr_deny_gid, $folder_arr_deny_gid);
}
$r_arr_deny_gid = array_unique($r_arr_deny_gid);
//logger(EOL . 'r_arr_deny_gid: ' . print_r($r_arr_dr_arr_deny_gideny_cid,true));
} }
$r_arr_deny_cid = array_unique($r_arr_deny_cid);
//if none is allowed restrict to self //if no channel is allowed return false
if(($r_arr_allow_gid === false) && ($r_arr_allow_cid === false)) { if(! $r_arr_allow_cid)
$ret['allow_cid'] = [$poster['xchan_hash']]; return false;
} else {
$ret['allow_gid'] = $r_arr_allow_gid; $ret['allow_gid'] = []; // eventual group members are already collected in $r_arr_allow_cid
$ret['allow_cid'] = $r_arr_allow_cid; $ret['allow_cid'] = $r_arr_allow_cid;
$ret['deny_gid'] = $r_arr_deny_gid; $ret['deny_gid'] = $r_arr_deny_gid;
$ret['deny_cid'] = $r_arr_deny_cid; $ret['deny_cid'] = $r_arr_deny_cid;
}
return $ret; return $ret;
} }