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<?php
/*
* Copyright 2014 Florian "Bluewind" Pritz <bluewind@server-speed.net>
*
* Licensed under AGPLv3
* (see COPYING for full license text)
*
*/
namespace service;
class files {
static public function history($user)
{
$CI =& get_instance();
$items = array();
// TODO: thumbnail urls where available
$fields = array("id", "filename", "mimetype", "date", "hash", "filesize");
$query = $CI->db->select(implode(',', $fields))
->from('files')
->where('user', $user)
->get()->result_array();
foreach ($query as $key => $item) {
$items[$item["id"]] = $item;
}
$total_size = $CI->db->query("
SELECT sum(filesize) sum
FROM (
SELECT DISTINCT hash, filesize
FROM files
WHERE user = ?
) sub
", array($user))->row_array();
$ret["items"] = $items;
$ret["multipaste_items"] = self::get_multipaste_history($user);
$ret["total_size"] = $total_size["sum"];
return $ret;
}
static private function get_multipaste_history($user)
{
$CI =& get_instance();
$multipaste_items_grouped = array();
$multipaste_items = array();
$query = $CI->db->get_where("multipaste", array("user_id" => $user))->result_array();
$multipaste_info = array();
foreach ($query as $item) {
$multipaste_info[$item["url_id"]] = $item;
}
$multipaste_items_query = $CI->db
->select("m.url_id, f.id")
->from("multipaste m")
->join("multipaste_file_map mfm", "m.multipaste_id = mfm.multipaste_id")
->join("files f", "f.id = mfm.file_url_id")
->where("m.user_id", $user)
->get()->result_array();
foreach ($multipaste_items_query as $item) {
$multipaste_info[$item["url_id"]]["items"][$item["id"]] = array("id" => $item["id"]);
}
return $multipaste_info;
}
static public function add_file($id, $file, $filename)
{
$CI =& get_instance();
$hash = md5_file($file);
$dir = $CI->mfile->folder($hash);
file_exists($dir) || mkdir ($dir);
$new_path = $CI->mfile->file($hash);
// TODO: make this operation atomic (move to temp name, then to final)
// the source can be a different file system so this might do a copy
move_uploaded_file($file, $new_path);
$CI->mfile->add_file($hash, $id, $filename);
}
static public function verify_uploaded_files($files)
{
$CI =& get_instance();
$errors = array();
if (empty($files)) {
throw new \exceptions\UserInputException("file/no-file", "No file was uploaded or unknown error occured.");
}
foreach ($files as $key => $file) {
$error_message = "";
// getNormalizedFILES() removes any file with error == 4
if ($file['error'] !== UPLOAD_ERR_OK) {
// ERR_OK only for completeness, condition above ignores it
$error_msgs = array(
UPLOAD_ERR_OK => "There is no error, the file uploaded with success",
UPLOAD_ERR_INI_SIZE => "The uploaded file exceeds the upload_max_filesize directive in php.ini",
UPLOAD_ERR_FORM_SIZE => "The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form",
UPLOAD_ERR_PARTIAL => "The uploaded file was only partially uploaded",
UPLOAD_ERR_NO_FILE => "No file was uploaded",
UPLOAD_ERR_NO_TMP_DIR => "Missing a temporary folder",
UPLOAD_ERR_CANT_WRITE => "Failed to write file to disk",
UPLOAD_ERR_EXTENSION => "A PHP extension stopped the file upload",
);
$error_message = "Unknown error.";
if (isset($error_msgs[$file['error']])) {
$error_message = $error_msgs[$file['error']];
} else {
$error_message = "Unknown error code: ".$file['error'].". Please report a bug.";
}
}
$filesize = filesize($file['tmp_name']);
if ($filesize > $CI->config->item('upload_max_size')) {
$error_message = "File too big";
}
if ($error_message != "") {
$errors[] = array(
"filename" => $file["name"],
"formfield" => $file["formfield"],
"message" => $error_message,
);
throw new \exceptions\FileUploadVerifyException("file/upload-verify", "Failed to verify uploaded file(s)", $errors);
}
}
}
// TODO: streamline this interface to be somewhat atomic in regards to
// wrong owner/unknown ids (verify first and throw exception)
static public function delete($ids)
{
$CI =& get_instance();
$userid = $CI->muser->get_userid();
$errors = array();
$deleted = array();
$deleted_count = 0;
$total_count = 0;
if (!$ids || !is_array($ids)) {
throw new \exceptions\UserInputException("file/delete/no-ids", "No IDs specified");
}
foreach ($ids as $id) {
$total_count++;
$next = false;
foreach (array($CI->mfile, $CI->mmultipaste) as $model) {
if ($model->id_exists($id)) {
if ($model->get_owner($id) !== $userid) {
$errors[$id] = array(
"id" => $id,
"reason" => "wrong owner",
);
continue;
}
if ($model->delete_id($id)) {
$deleted[$id] = array(
"id" => $id,
);
$deleted_count++;
$next = true;
} else {
$errors[$id] = array(
"id" => $id,
"reason" => "unknown error",
);
}
}
}
if ($next) {
continue;
}
$errors[$id] = array(
"id" => $id,
"reason" => "doesn't exist",
);
}
return array(
"errors" => $errors,
"deleted" => $deleted,
"total_count" => $total_count,
"deleted_count" => $deleted_count,
);
}
}
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