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-rw-r--r--application/models/mfile.php275
1 files changed, 0 insertions, 275 deletions
diff --git a/application/models/mfile.php b/application/models/mfile.php
deleted file mode 100644
index 977240c89..000000000
--- a/application/models/mfile.php
+++ /dev/null
@@ -1,275 +0,0 @@
-<?php
-/*
- * Copyright 2009-2013 Florian "Bluewind" Pritz <bluewind@server-speed.net>
- *
- * Licensed under AGPLv3
- * (see COPYING for full license text)
- *
- */
-
-class Mfile extends CI_Model {
-
- private $upload_path;
-
- function __construct()
- {
- parent::__construct();
- $this->load->model("muser");
-
- $this->upload_path = $this->config->item('upload_path');
- $this->id_validation_config = array(
- "upload_max_age" => $this->config->item("upload_max_age"),
- "small_upload_size" => $this->config->item("small_upload_size"),
- "sess_expiration" => $this->config->item("sess_expiration"),
- );
- }
-
- // Returns an unused ID
- function new_id($min = 3, $max = 6)
- {
- static $id_blacklist = NULL;
-
- if ($id_blacklist == NULL) {
- // This prevents people from being unable to access their uploads
- // because of URL rewriting
- $id_blacklist = scandir(FCPATH);
- $id_blacklist[] = "file";
- $id_blacklist[] = "user";
- }
-
- $max_tries = 100;
-
- for ($try = 0; $try < $max_tries; $try++) {
- $id = random_alphanum($min, $max);
-
- if ($this->id_exists($id) || in_array($id, $id_blacklist)) {
- continue;
- }
-
- return $id;
- }
-
- throw new \exceptions\PublicApiException("file/new_id-try-limit", "Failed to find unused ID after $max_tries tries");
- }
-
- function id_exists($id)
- {
- if (!$id) {
- return false;
- }
-
- $query = $this->db->select('id')
- ->from('files')
- ->where('id', $id)
- ->limit(1)
- ->get();
-
- return $query->num_rows() == 1;
- }
-
- function get_filedata($id)
- {
- return cache_function("filedatav2-$id", 300, function() use ($id) {
- $query = $this->db
- ->select('files.id, hash, file_storage.id storage_id, filename, mimetype, files.date, user, filesize')
- ->from('files')
- ->join('file_storage', 'file_storage.id = files.file_storage_id')
- ->where('files.id', $id)
- ->limit(1)
- ->get();
-
- if ($query->num_rows() > 0) {
- $data = $query->row_array();
- $data["data_id"] = $data["hash"]."-".$data["storage_id"];
- return $data;
- } else {
- return false;
- }
- });
- }
-
- // return the folder in which the file with $data_id is stored
- function folder($data_id) {
- return $this->upload_path.'/'.substr($data_id, 0, 3);
- }
-
- // Returns the full path to the file with $data_id
- function file($data_id) {
- return $this->folder($data_id).'/'.$data_id;
- }
-
- // Add a file to the DB
- function add_file($userid, $id, $filename, $storage_id)
- {
- $this->db->insert("files", array(
- "id" => $id,
- "filename" => $filename,
- "date" => time(),
- "user" => $userid,
- "file_storage_id" => $storage_id,
- ));
- }
-
- function adopt($id)
- {
- $userid = $this->muser->get_userid();
-
- $this->db->set(array('user' => $userid ))
- ->where('id', $id)
- ->where('user', 0)
- ->update('files');
- return $this->db->affected_rows();
- }
-
- // remove old/invalid/broken IDs
- public function valid_id($id)
- {
- $filedata = $this->get_filedata($id);
-
- if (!$filedata) {
- return false;
- }
-
- return $this->valid_filedata($filedata);
- }
-
- public function valid_filedata($filedata)
- {
- return \service\files::valid_id($filedata, $this->id_validation_config, $this, time());
- }
-
- public function file_exists($file)
- {
- return file_exists($file);
- }
-
- public function filemtime($file)
- {
- return filemtime($file);
- }
-
- public function filesize($file)
- {
- return filesize($file);
- }
-
- public function get_timeout($id)
- {
- $filedata = $this->get_filedata($id);
- $file = $this->file($filedata["data_id"]);
-
- if ($this->config->item("upload_max_age") == 0) {
- return -1;
- }
-
- if (filesize($file) > $this->config->item("small_upload_size")) {
- return $filedata["date"] + $this->config->item("upload_max_age");
- } else {
- return -1;
- }
- }
-
- public function get_timeout_string($id)
- {
- $timeout = $this->get_timeout($id);
-
- if ($timeout >= 0) {
- return date("r", $timeout);
- } else {
- return "unknown";
- }
- }
-
- private function unused_file($data_id)
- {
- list ($hash, $storage_id) = explode("-", $data_id);
- $query = $this->db->select('files.id')
- ->from('files')
- ->join('file_storage', 'file_storage.id = files.file_storage_id')
- ->where('hash', $hash)
- ->where('file_storage.id', $storage_id)
- ->limit(1)
- ->get();
-
- return $query->num_rows() == 0;
- }
-
- public function delete_by_user($userid)
- {
- $query = $this->db->select("id")
- ->where("user", $userid)
- ->get("files")->result_array();
- $ids = array_map(function ($a) {return $a['id'];}, $query);
-
- foreach ($ids as $id) {
- $this->delete_id($id);
- }
- }
-
- public function delete_id($id)
- {
- $filedata = $this->get_filedata($id);
-
- // Delete the file and all multipastes using it
- // Note that this does not delete all relations in multipaste_file_map
- // which is actually done by an SQL contraint.
- // TODO: make it work properly without the constraint
- $map = $this->db->select('url_id')
- ->distinct()
- ->from('multipaste_file_map')
- ->join("multipaste", "multipaste.multipaste_id = multipaste_file_map.multipaste_id")
- ->where('file_url_id', $id)
- ->get()->result_array();
-
- $this->db->where('id', $id)
- ->delete('files');
- delete_cache("filedata-$id");
-
- foreach ($map as $entry) {
- assert(!empty($entry['url_id']));
- $this->mmultipaste->delete_id($entry["url_id"]);
- }
-
- if ($this->id_exists($id)) {
- return false;
- }
-
- if ($filedata !== false) {
- assert(isset($filedata["data_id"]));
- if ($this->unused_file($filedata['data_id'])) {
- $this->delete_data_id($filedata['data_id']);
- }
- }
- return true;
- }
-
- public function delete_data_id($data_id)
- {
- list ($hash, $storage_id) = explode("-", $data_id);
-
- $this->db->where('id', $storage_id)
- ->delete('file_storage');
- if (file_exists($this->file($data_id))) {
- unlink($this->file($data_id));
- }
- $dir = $this->folder($data_id);
- if (file_exists($dir)) {
- if (count(scandir($dir)) == 2) {
- rmdir($dir);
- }
- }
- delete_cache("${data_id}_thumb_150");
- }
-
- public function get_owner($id)
- {
- return $this->db->select('user')
- ->from('files')
- ->where('id', $id)
- ->get()->row_array()
- ['user'];
- }
-
-}
-
-# vim: set noet:
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-12-18 05:43:06 +0100