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<?php
/*
expected state: tested?; but broken
*/
function check_if_deletable($db, $id, $hash){
$check_db = $db->query("SELECT hash FROM files WHERE id!=".$id." AND folder='FILE';");
$count = 0;
while($check_ar = $check_db->fetchArray(SQLITE3_NUM)){
if($check_ar[0] == $hash){
$count = $count +1;
break;
}
}
if($count == 0){
return true;
} else {
return false;
}
}
function delete_file($user, $path){
if(!$_SESSION["login"]){
return DELETE_FILE_LOGIN;
}
$db = $GLOBALS["db"];
$uploaddir = "../files/";
$file_id = select_file_id($db, $user, $path);
$file_owner_db = $db->query("SELECT owner FROM files WHERE id=".$file_id.";");
$file_owner_ar = $file_owner_db->fetchArray(SQLITE3_NUM);
if($file_owner_ar[0] != $_SESSION["userid"]){
return DELETE_FILE_NOT_OWNER;
}
$check_if_file_db = $db->query("SELECT folder, hash FROM files WHERE id=".$file_id.";");
$check_if_file_ar = $check_if_file_db->fetchArray(SQLITE3_NUM);
if($check_if_file_ar[0] != "FILE"){
return DELETE_FILE_NO_FILE;
}
$file_hash = $check_if_file_ar[1];
$hash_array_db = $db->query("SELECT hash FROM files WHERE hash='".$file_hash.";'");
$count = 0;
while($row1 = $hash_array_db->fetchArray(SQLITE3_NUM)){
$hash_ar[$count] = $row1[0];
$count++;
}
$count = 0;
for($i=0; $i<count($hash_ar); $i++){
$file_id_owner_db = $db->query("SELECT id, owner FROM files WHERE folder='FILE' AND hash='".$hash_ar[$i]. "';");
while($row2 = $file_id_owner->fetchArray(SQLITE3_NUM)){
if($row2[1] != $_SESSION["userid"]){
$saved_files[$count] = $hash_ar[$i];
}
$count++;
}
}
for($i=0; $i<count($saved_files); $i++){
$cur = $saved_files[$i];
for($j=0; $j<count($hash_ar); $j++){
if($cur == $hash_ar[$j]){
$hash_ar[$j] = "";
}
}
}
for($i=0; $i<count($hash_ar); $i++){
if(!$file_hash[$i] != ""){
if(!unlink($uploaddir.$file_hash.".gz")){
return DELETE_FILE_UNLINK;
}
}
}
if($db->exec("
BEGIN TRANSACTION;
DELETE FROM files WHERE id=".$file_id.";
COMMIT;
")){
return DELETE_FILE_SUCCESS;
} else {
return DELETE_FILE_DATABASE;
}
}
function delete_folder($user, $path){
if(!$_SESSION["login"]){
return DELETE_FOLDER_LOGIN;
}
$db = $GLOBALS["db"];
$folder_id = select_file_id($db, $user, $path);
$folder_owner_db = $db->query("SELECT owner FROM files WHERE id=".$folder_id.";");
$folder_owner_ar = $db->fetchArray(SQLITE3_NUM);
if($folder_owner_ar[0] != $_SESSION["userid"]){
return DELETE_FOLDER_NOT_OWNER;
}
$folder_content_db = $db->query("SELECT id FROM files WHERE parent=".$folder_id.";");
$folder_content_ar = $folder_content_db->fetchArray(SQLITE3_NUM);
if(empty($folder_content_ar[0])){
return DELETE_FOLDER_NOT_EMPTY;
}
if($db->exec("
BEGIN TRANSACTION;
DELETE FROM files WHERE id=".$folder_id.";
COMMIT;
")){
return DELETE_FOLDER_SUCCESS;
} else {
return DELETE_FOLDER_DATABASE;
}
}
function delete_user($user, $password, $password_verify){
if(!$_SESSION["login"]){
return DELETE_USER_LOGIN;
}
$db = $GLOBALS["db"];
$uploaddir = "../files/";
$owner = user_id($db, $user);
if(($password != $password_verify ) || $password = ""){
return DELETE_USER_EMPTY_PASSWORD;
}
$password_hash_db = $db->query("SELECT password FROM user WHERE id=".$owner.";");
$password_hash_ar = $password_hash_db->fetchArray(SQLITE3_NUM);
$admin_password_hash_db = $db->query("SELECT password FROM user WHERE id=1;");
$admin_password_hash_ar = $admin_password_hash_db->fetchArray(SQLITE3_NUM);
if(!password_verify($password, $password_hash_ar[0]) || !password_verify($password, $admin_password_hash_ar[0])){
return DELETE_USER_WRONG_PASSWORD;
}
$hash_array_db = $db->query("SELECT hash FROM files WHERE folder='FILE' AND owner=".$owner.";");
$count = 0;
while($row1 = $hash_array_db->fetchArray(SQLITE3_NUM)){
$hash_ar[$count] = $row1[0];
$count++;
}
$count = 0;
for($i=0; $i<count($hash_ar); $i++){
$file_id_owner_db = $db->query("SELECT id, owner FROM files WHERE folder='FILE' AND hash='".$hash_ar[$i]."';");
while($row2 = $file_id_owner->fetchArray(SQLITE3_NUM)){
if($row2[1] != $_SESSION["userid"]){
$saved_files[$count] = $hash_ar[$i];
}
$count++;
}
}
for($i=0; $i<count($saved_files); $i++){
$cur = $saved_files[$i];
for($j=0;$j<count($hash_ar); $j++){
if($cur == $hash_ar[$j]){
$hash_ar[$j] = "";
}
}
}
for($i=0; $ii<count($hash_ar); $i++){
if($hash_ar[$i] != ""){
if(!unlink($uploaddir.$hash_ar[$i].".gz")){
return DELETE_USER_FILE_DELETE;
}
}
}
if($db->exec("
BEGIN TRANSACTION;
DELETE FROM user WHERE id=".$owner.";
COMMIT;
")){
return DELETE_USER_SUCCESS;
} else {
return DELETE_USER_DATABASE;
}
}
|
