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<?php
function database_mkdir($db, $file_id, $new_folder_name, $share){
if($db->exec("
BEGIN TRANSACTION;
INSERT INTO files (id, parent, owner, name, folder, size, share, hash) VALUES (Null, " . $file_id . ", " . $_SESSION['userid'] . ", '" . SQLite3::escapeString($new_folder_name) . "', 'DIRECTORY', 0, '" . SQLite3::escapeString($share) . "', '');
COMMIT;
")){
return true;
} else {
return false;
}
}
function create_folder($path, $new_folder_name, $share){
$db = $GLOBALS["db"];
if(!$_SESSION["login"]){
return MKDIR_LOGIN;
}
$file_id = select_file_id($db, $_SESSION["userid"], $path);
$owner_db = $db->query("SELECT owner FROM files WHERE id=" . SQLite3::escapeString($file_id) . ";");
$owner_ar = $owner_db->fetchArray(SQLITE3_NUM);
if($owner_ar[0] != $_SESSION["userid"]){
return MKDIR_OWNER;
}
//TODO: Cut trailing or leading slash
//TODO: Maye create two folders instead of returning an error?
if(preg_match("/\//", $new_folder_name)){
return SLASH_IN_FOLDER_NAME;
}
$dupl_db = $db->query("SELECT parent FROM files WHERE name='" . SQLite3::escapeString($new_folder_name) . "' AND owner=".$_SESSION["userid"].";");
while($dupl_ar = $dupl_db->fetchArray(SQLITE3_NUM)){
if($dupl_ar[0] == $file_id){
return MKDIR_DUPLICATE;
}
}
if(database_mkdir($db, $file_id, $new_folder_name, $share)){
return MKDIR_SUCCESS;
} else {
return MKDIR_DATABASE;
}
}
function move_folder($old_path, $new_path){
if(!$_SESSION["login"]){
return NOT_LOGED_IN;
}
$db = $GLOBALS["db"];
$old_file_id = select_file_id($db, $_SESSION["userid"], $old_path);
$new_file_id = select_file_id($db, $_SESSION["userid"], $new_path);
$old_folder_owner_db = $db->query("SELECT owner FROM files WHERE id=".$old_file_id.";");
$old_folder_owner_ar = $old_folder_owner_db->fetchArray(SQLITE3_NUM);
if($_SESSION["userid"] != $old_folder_owner_ar[0]){
return MV_OLD_FOLDER_NOT_OWNER;
}
if(!$new_file_id){
return MV_FOLDER_TARGET_NOT_EXIST;
}
$new_folder_owner_db = $db->query("SELECT owner FROM files WHERE id=".$new_file_id.";");
$new_folder_owner_ar = $new_folder_owner_db->fetchArray(SQLITE3_NUM);
if($_SESSION["userid"] != $new_folder_owner_ar[0]){
return MV_NEW_FOLDER_NOT_OWNER; }
if($db->exec("
BEGIN TRANSACTION;
UPDATE files SET parent=".$new_file_id." WHERE id=".$old_file_id.";
COMMIT;
")){
return MV_FOLDER_SUCCESS;
} else {
return MV_FOLDER_DATABASE;
}
}
function rename_folder($path, $new_name){
if(!$_SESSION["login"]){
return NOT_LOGED_IN;
}
$db = $GLOBALS["db"];
$file_id = select_file_id($db, $_SESSION["username"], $path);
$folder_owner_db = $db->query("SELECT owner FROM fiiles where id=".$file_id.";");
$folder_owner_ar = $folder_owner_db->fetchArray(SQLITE3_NUM);
if($folder_owner_ar[0] != $_SESSION["userid"]){
return FOLDER_NOT_OWNER;
}
if(preg_match("/\//", $new_name)){
return SLASH_IN_FOLDER_NAME;
}
$dupl_db = $db->query("SELECT parent FROM files WHERE name='" . SQLite3::escapeString($new_name) . "' AND owner=".$_SESSION["userid"].";");
while($dupl_ar = $dupl_db->fetchArray(SQLITE3_NUM)){
if($dupl_ar[0] == $file_id){
return MKDIR_DUPLICATE;
}
}
if($db->exec("
BEGIN TRANSACTION;
UPDATE files SET name='".SQLite3::escapeString($new_name)."' WHERE id=".$file_id.";
COMMIT;
")){
return true;
} else {
return DATABASE;
}
}
function generate_download_link($file_id){
if(!$_SESSION["login"]){
return NOT_LOGED_IN;
}
$db = $GLOBALS["db"];
$folder_owner_db = $db->query("SELECT owner FROM files where id=".$file_id.";");
$folder_owner_ar = $folder_owner_db->fetchArray(SQLITE3_NUM);
if($folder_owner_ar[0] != $_SESSION["userid"]){
return FOLDER_NOT_OWNER;
}
$key_array = array("a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "_", "-", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" );
$length = count($key_array);
$key = "";
for ($i=0;$i<21;$i++){
$index = mt_rand(0,$length-1);
$key = $key.$key_array[$index];
}
if($db->exec("
BEGIN TRANSACTION;
UPDATE files SET download_link='".$key."' WHERE id=".$file_id.";
COMMIT;
")){
return $key;
} else {
return DATABASE;
}
}
|
