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-rw-r--r--include/security.php86
1 files changed, 47 insertions, 39 deletions
diff --git a/include/security.php b/include/security.php
index 9b508d339..2f5de54c7 100644
--- a/include/security.php
+++ b/include/security.php
@@ -2,11 +2,12 @@
/**
* @file include/security.php
*
- * Some security related functions.
+ * @brief Some security related functions.
*/
/**
* @param int $user_record The account_id
+ * @param array $channel
* @param bool $login_initial default false
* @param bool $interactive default false
* @param bool $return
@@ -27,8 +28,8 @@ function authenticate_success($user_record, $channel = null, $login_initial = fa
$uid_to_load = $channel['channel_id'];
if(! $uid_to_load) {
- $uid_to_load = (((x($_SESSION,'uid')) && (intval($_SESSION['uid'])))
- ? intval($_SESSION['uid'])
+ $uid_to_load = (((x($_SESSION,'uid')) && (intval($_SESSION['uid'])))
+ ? intval($_SESSION['uid'])
: intval(App::$account['account_default_channel'])
);
}
@@ -89,21 +90,28 @@ function authenticate_success($user_record, $channel = null, $login_initial = fa
function atoken_login($atoken) {
if(! $atoken)
return false;
+
$_SESSION['authenticated'] = 1;
$_SESSION['visitor_id'] = $atoken['xchan_hash'];
$_SESSION['atoken'] = $atoken['atoken_id'];
\App::set_observer($atoken);
+
return true;
}
-
+/**
+ * @brief
+ *
+ * @param array $atoken
+ * @return array|null
+ */
function atoken_xchan($atoken) {
$c = channelx_by_n($atoken['atoken_uid']);
if($c) {
return [
- 'atoken_id' => $atoken['atoken_id'],
+ 'atoken_id' => $atoken['atoken_id'],
'xchan_hash' => substr($c['channel_hash'],0,16) . '.' . $atoken['atoken_name'],
'xchan_name' => $atoken['atoken_name'],
'xchan_addr' => t('guest:') . $atoken['atoken_name'] . '@' . \App::get_hostname(),
@@ -114,9 +122,9 @@ function atoken_xchan($atoken) {
'xchan_photo_l' => get_default_profile_photo(300),
'xchan_photo_m' => get_default_profile_photo(80),
'xchan_photo_s' => get_default_profile_photo(48)
-
];
}
+
return null;
}
@@ -133,7 +141,7 @@ function atoken_delete($atoken_id) {
);
if(! $c)
return;
-
+
$atoken_xchan = substr($c[0]['channel_hash'],0,16) . '.' . $r[0]['atoken_name'];
q("delete from atoken where atoken_id = %d",
@@ -145,12 +153,16 @@ function atoken_delete($atoken_id) {
);
}
-
-
-// in order for atoken logins to create content (such as posts) they need a stored xchan.
-// we'll create one on the first atoken_login; it can't really ever go away but perhaps
-// @fixme we should set xchan_deleted if it's expired or removed
-
+/**
+ * @brief
+ *
+ * In order for atoken logins to create content (such as posts) they need a stored xchan.
+ * we'll create one on the first atoken_login; it can't really ever go away but perhaps
+ * @fixme we should set xchan_deleted if it's expired or removed
+ *
+ * @param array $xchan
+ * @return void|boolean
+ */
function atoken_create_xchan($xchan) {
$r = q("select xchan_hash from xchan where xchan_hash = '%s'",
@@ -159,7 +171,7 @@ function atoken_create_xchan($xchan) {
if($r)
return;
- $r = q("insert into xchan ( xchan_hash, xchan_guid, xchan_addr, xchan_url, xchan_name, xchan_network, xchan_photo_mimetype, xchan_photo_l, xchan_photo_m, xchan_photo_s )
+ $r = q("insert into xchan ( xchan_hash, xchan_guid, xchan_addr, xchan_url, xchan_name, xchan_network, xchan_photo_mimetype, xchan_photo_l, xchan_photo_m, xchan_photo_s )
values ('%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s') ",
dbesc($xchan['xchan_hash']),
dbesc($xchan['xchan_hash']),
@@ -202,12 +214,11 @@ function atoken_abook($uid,$xchan_hash) {
}
return false;
-
}
function pseudo_abook($xchan) {
- if(! $xchan)
+ if(! $xchan)
return false;
// set abook_pseudo to flag that we aren't really connected.
@@ -216,8 +227,8 @@ function pseudo_abook($xchan) {
$xchan['abook_blocked'] = 0;
$xchan['abook_ignored'] = 0;
$xchan['abook_pending'] = 0;
+
return $xchan;
-
}
@@ -228,7 +239,6 @@ function pseudo_abook($xchan) {
*
* @return bool|array false or channel record of the new channel
*/
-
function change_channel($change_channel) {
$ret = false;
@@ -260,7 +270,7 @@ function change_channel($change_channel) {
date_default_timezone_set($r[0]['channel_timezone']);
$ret = $r[0];
}
- $x = q("select * from xchan where xchan_hash = '%s' limit 1",
+ $x = q("select * from xchan where xchan_hash = '%s' limit 1",
dbesc($hash)
);
if($x) {
@@ -275,7 +285,6 @@ function change_channel($change_channel) {
$arr = [ 'channel_id' => $change_channel, 'chanx' => $ret ];
call_hooks('change_channel', $arr);
-
}
return $ret;
@@ -285,11 +294,11 @@ function change_channel($change_channel) {
* @brief Creates an additional SQL where statement to check permissions.
*
* @param int $owner_id
- * @param bool $remote_observer - if unset use current observer
+ * @param bool $remote_observer (optional) use current observer if unset
+ * @param $table (optional)
*
* @return string additional SQL where statement
*/
-
function permissions_sql($owner_id, $remote_observer = null, $table = '') {
$local_channel = local_channel();
@@ -303,11 +312,10 @@ function permissions_sql($owner_id, $remote_observer = null, $table = '') {
if($table)
$table .= '.';
-
- $sql = " AND {$table}allow_cid = ''
- AND {$table}allow_gid = ''
- AND {$table}deny_cid = ''
- AND {$table}deny_gid = ''
+ $sql = " AND {$table}allow_cid = ''
+ AND {$table}allow_gid = ''
+ AND {$table}deny_cid = ''
+ AND {$table}deny_gid = ''
";
/**
@@ -319,7 +327,7 @@ function permissions_sql($owner_id, $remote_observer = null, $table = '') {
}
/**
- * Authenticated visitor. Unless pre-verified,
+ * Authenticated visitor. Unless pre-verified,
* check that the contact belongs to this $owner_id
* and load the groups the visitor belongs to.
* If pre-verified, the caller is expected to have already
@@ -358,7 +366,7 @@ function permissions_sql($owner_id, $remote_observer = null, $table = '') {
* @brief Creates an addiontal SQL where statement to check permissions for an item.
*
* @param int $owner_id
- * @param bool $remote_observer, use current observer if unset
+ * @param bool $remote_observer (optional) use current observer if unset
*
* @return string additional SQL where statement
*/
@@ -379,7 +387,7 @@ function item_permissions_sql($owner_id, $remote_observer = null) {
*/
if(($local_channel) && ($local_channel == $owner_id)) {
- $sql = '';
+ $sql = '';
}
/**
@@ -425,7 +433,7 @@ function item_permissions_sql($owner_id, $remote_observer = null) {
/**
* Remote visitors also need to be checked against the public_scope parameter if item_private is set.
* This function checks the various permutations of that field for any which apply to this observer.
- *
+ *
*/
@@ -448,9 +456,9 @@ function scopes_sql($uid,$observer) {
$str .= " or public_policy = 'contacts' ) ";
return $str;
}
-
-
-
+
+
+
@@ -500,7 +508,7 @@ function public_permissions_sql($observer_hash) {
* If the new page contains by any chance external elements, then the used security token is exposed by the referrer.
* Actually, important actions should not be triggered by Links / GET-Requests at all, but somethimes they still are,
* so this mechanism brings in some damage control (the attacker would be able to forge a request to a form of this type, but not to forms of other types).
- */
+ */
function get_form_security_token($typename = '') {
$timestamp = time();
@@ -549,7 +557,7 @@ function check_form_security_token_ForbiddenOnErr($typename = '', $formname = 'f
function init_groups_visitor($contact_id) {
$groups = array();
- $r = q("SELECT hash FROM `groups` left join group_member on groups.id = group_member.gid WHERE xchan = '%s' ",
+ $r = q("SELECT hash FROM groups left join group_member on groups.id = group_member.gid WHERE xchan = '%s' ",
dbesc($contact_id)
);
if($r) {
@@ -561,13 +569,13 @@ function init_groups_visitor($contact_id) {
-// This is used to determine which uid have posts which are visible to the logged in user (from the API) for the
+// This is used to determine which uid have posts which are visible to the logged in user (from the API) for the
// public_timeline, and we can use this in a community page by making
-// $perms = (PERMS_NETWORK|PERMS_PUBLIC) unless logged in.
+// $perms = (PERMS_NETWORK|PERMS_PUBLIC) unless logged in.
// Collect uids of everybody on this site who has opened their posts to everybody on this site (or greater visibility)
// We always include yourself if logged in because you can always see your own posts
// resolving granular permissions for the observer against every person and every post on the site
-// will likely be too expensive.
+// will likely be too expensive.
// Returns a string list of comma separated channel_ids suitable for direct inclusion in a SQL query
function stream_perms_api_uids($perms = NULL, $limit = 0, $rand = 0 ) {