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-rw-r--r--application/service/files.php253
1 files changed, 253 insertions, 0 deletions
diff --git a/application/service/files.php b/application/service/files.php
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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 = $CI->db->query("
+ SELECT coalesce(sum(filesize), 0) sum
+ FROM (
+ SELECT DISTINCT hash, filesize
+ FROM `".$CI->db->dbprefix."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 != "") {
+ $errors[$file["formfield"]] = 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++;
+ $nextID = false;
+
+ foreach (array($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",
+ );
+ $nextID = true;
+ continue;
+ }
+ if ($model->delete_id($id)) {
+ $deleted[$id] = array(
+ "id" => $id,
+ );
+ $deleted_count++;
+ $nextID = true;
+ } else {
+ $errors[$id] = array(
+ "id" => $id,
+ "reason" => "unknown error",
+ );
+ }
+ }
+ }
+
+ if ($nextID) {
+ continue;
+ }
+
+ $errors[$id] = array(
+ "id" => $id,
+ "reason" => "doesn't exist",
+ );
+ }
+
+ return array(
+ "errors" => $errors,
+ "deleted" => $deleted,
+ "total_count" => $total_count,
+ "deleted_count" => $deleted_count,
+ );
+ }
+
+ static public function create_multipaste($ids, $userid, $limits)
+ {
+ $CI =& get_instance();
+
+ if (!$ids || !is_array($ids)) {
+ throw new \exceptions\UserInputException("file/create_multipaste/no-ids", "No IDs specified");
+ }
+
+ if (count(array_unique($ids)) != count($ids)) {
+ throw new \exceptions\UserInputException("file/create_multipaste/duplicate-id", "Duplicate IDs are not supported");
+ }
+
+ $errors = array();
+
+ foreach ($ids as $id) {
+ if (!$CI->mfile->id_exists($id)) {
+ $errors[$id] = array(
+ "id" => $id,
+ "reason" => "doesn't exist",
+ );
+ continue;
+ }
+
+ $filedata = $CI->mfile->get_filedata($id);
+ if ($filedata["user"] != $userid) {
+ $errors[$id] = array(
+ "id" => $id,
+ "reason" => "not owned by you",
+ );
+ }
+ }
+
+ if (!empty($errors)) {
+ throw new \exceptions\VerifyException("file/create_multipaste/verify-failed", "Failed to verify ID(s)", $errors);
+ }
+
+ $url_id = $CI->mmultipaste->new_id($limits[0], $limits[1]);
+
+ $multipaste_id = $CI->mmultipaste->get_multipaste_id($url_id);
+ assert($multipaste_id !== false);
+
+ foreach ($ids as $id) {
+ $CI->db->insert("multipaste_file_map", array(
+ "file_url_id" => $id,
+ "multipaste_id" => $multipaste_id,
+ ));
+ }
+
+ return array(
+ "url_id" => $url_id,
+ );
+ }
+}
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-10 02:58:05 +0100