/**
* Add access restriction sql code to a given query.
*
* Note that if this code is executed in privileged mode it will return blank.
*
* TODO: DELETE once Query classes are fully integrated
*
* @param string $table_prefix Optional xxx. prefix for the access code.
*/
function get_access_sql_suffix($table_prefix = "", $owner = null)
{
global $ENTITY_SHOW_HIDDEN_OVERRIDE, $CONFIG;
$sql = "";
$friends_bit = "";
$enemies_bit = "";
if ($table_prefix) {
$table_prefix = sanitise_string($table_prefix) . ".";
}
$access = get_access_list();
if (!isset($owner)) {
$owner = get_loggedin_userid();
}
if (!$owner) {
$owner = -1;
}
global $is_admin;
if (isset($is_admin) && $is_admin == true) {
$sql = " (1 = 1) ";
} else {
if ($owner != -1) {
$friends_bit = $table_prefix . 'access_id = ' . ACCESS_FRIENDS . ' AND ';
$friends_bit .= "{$table_prefix}owner_guid IN (SELECT guid_one FROM {$CONFIG->dbprefix}entity_relationships WHERE relationship='friend' AND guid_two={$owner})";
$friends_bit = '(' . $friends_bit . ') OR ';
if (isset($CONFIG->user_block_and_filter_enabled) && $CONFIG->user_block_and_filter_enabled) {
// check to see if the user is in the entity owner's block list
// or if the entity owner is in the user's filter list
// if so, disallow access
$enemies_bit = get_annotation_sql('elgg_block_list', "{$table_prefix}owner_guid", $owner, false);
$enemies_bit = '(' . $enemies_bit . ' AND ' . get_annotation_sql('elgg_filter_list', $owner, "{$table_prefix}owner_guid", false) . ')';
}
}
}
if (empty($sql)) {
$sql = " {$friends_bit} ({$table_prefix}access_id in {$access} or ({$table_prefix}owner_guid = {$owner}) or ({$table_prefix}access_id = " . ACCESS_PRIVATE . " and {$table_prefix}owner_guid = {$owner}))";
}
if ($enemies_bit) {
$sql = "{$enemies_bit} AND ({$sql})";
}
if (!$ENTITY_SHOW_HIDDEN_OVERRIDE) {
$sql .= " and {$table_prefix}enabled='yes'";
}
return '(' . $sql . ')';
}
/**
* This function has been added here until we decide if it is going to roll into core or not
* Add access restriction sql code to a given query.
* Note that if this code is executed in privileged mode it will return blank.
* @TODO: DELETE once Query classes are fully integrated
*
* @param string $table_prefix Optional table. prefix for the access code.
* @param int $owner
*/
function get_access_sql_suffix_new($table_prefix_one = '', $table_prefix_two = '', $owner = null)
{
global $ENTITY_SHOW_HIDDEN_OVERRIDE, $CONFIG;
$sql = "";
$friends_bit = "";
$enemies_bit = "";
if ($table_prefix_one) {
$table_prefix_one = sanitise_string($table_prefix_one) . ".";
}
if ($table_prefix_two) {
$table_prefix_two = sanitise_string($table_prefix_two) . ".";
}
if (!isset($owner)) {
$owner = get_loggedin_userid();
}
if (!$owner) {
$owner = -1;
}
$ignore_access = elgg_check_access_overrides($owner);
$access = get_access_list($owner);
if ($ignore_access) {
$sql = " (1 = 1) ";
} else {
if ($owner != -1) {
$friends_bit = "{$table_prefix_one}access_id = " . ACCESS_FRIENDS . "\n\t\t\tAND {$table_prefix_one}owner_guid IN (\n\t\t\t\tSELECT guid_one FROM {$CONFIG->dbprefix}entity_relationships\n\t\t\t\tWHERE relationship='friend' AND guid_two={$owner}\n\t\t\t)";
$friends_bit = '(' . $friends_bit . ') OR ';
if (isset($CONFIG->user_block_and_filter_enabled) && $CONFIG->user_block_and_filter_enabled) {
// check to see if the user is in the entity owner's block list
// or if the entity owner is in the user's filter list
// if so, disallow access
$enemies_bit = get_annotation_sql('elgg_block_list', "{$table_prefix_one}owner_guid", $owner, false);
$enemies_bit = '(' . $enemies_bit . ' AND ' . get_annotation_sql('elgg_filter_list', $owner, "{$table_prefix_one}owner_guid", false) . ')';
}
}
}
if (empty($sql)) {
$sql = " {$friends_bit} ({$table_prefix_one}access_id IN {$access}\n\t\t\tOR ({$table_prefix_one}owner_guid = {$owner})\n\t\t\tOR (\n\t\t\t\t{$table_prefix_one}access_id = " . ACCESS_PRIVATE . "\n\t\t\t\tAND {$table_prefix_one}owner_guid = {$owner}\n\t\t\t)\n\t\t)";
}
if ($enemies_bit) {
$sql = "{$enemies_bit} AND ({$sql})";
}
if (!$ENTITY_SHOW_HIDDEN_OVERRIDE) {
$sql .= " and {$table_prefix_two}enabled='yes'";
}
return '(' . $sql . ')';
}
