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162 lines
3.9 KiB
162 lines
3.9 KiB
<?php
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/**
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*
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* (c) Copyright Ascensio System SIA 2021
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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require_once __DIR__ . "/../../../main/inc/global.inc.php";
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class FileUtility {
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/**
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* Application name
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*/
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public const app_name = "onlyoffice";
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/**
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* Extensions of files that can edit
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*
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* @var array
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*/
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public static $can_edit_types = [
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"docx",
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"xlsx",
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"pptx",
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"ppsx"
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];
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/**
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* Extensions of files that can view
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*
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* @var array
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*/
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public static $can_view_types = [
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"docx", "xlsx", "pptx", "ppsx",
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"txt", "csv", "odt", "ods","odp",
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"doc", "xls", "ppt", "pps","epub",
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"rtf", "mht", "html", "htm","xps","pdf","djvu"
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];
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/**
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* Extensions of text files
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*
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* @var array
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*/
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public static $text_doc = [
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"docx", "txt", "odt", "doc", "rtf", "html",
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"htm", "xps", "pdf", "djvu"
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];
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/**
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* Extensions of presentation files
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*
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* @var array
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*/
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public static $presentation_doc = [
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"pptx", "ppsx", "odp", "ppt", "pps"
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];
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/**
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* Extensions of spreadsheet files
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*
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* @var array
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*/
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public static $spreadsheet_doc = [
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"xlsx", "csv", "ods", "xls"
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];
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/**
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* Return file type by extension
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*/
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public static function getDocType(string $extension): string
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{
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if (in_array($extension, self::$text_doc)) {
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return "text";
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}
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if (in_array($extension, self::$presentation_doc)) {
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return "presentation";
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}
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if (in_array($extension, self::$spreadsheet_doc)) {
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return "spreadsheet";
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}
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return "";
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}
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/**
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* Return file extension by file type
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*/
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public static function getDocExt(string $type): string
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{
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if ($type === "text") {
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return "docx";
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}
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if ($type === "spreadsheet") {
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return "xlsx";
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}
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if ($type === "presentation") {
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return "pptx";
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}
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return "";
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}
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/**
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* Return file url for download
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*/
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public static function getFileUrl(int $courseId, int $userId, int $docId, int $sessionId = null, int $groupId = null): string
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{
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$data = [
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"type" => "download",
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"courseId" => $courseId,
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"userId" => $userId,
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"docId" => $docId,
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"sessionId" => $sessionId
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];
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if (!empty($groupId)) {
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$data["groupId"] = $groupId;
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}
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$hashUrl = Crypt::GetHash($data);
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return api_get_path(WEB_PLUGIN_PATH) . self::app_name . "/" . "callback.php?hash=" . $hashUrl;
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}
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/**
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* Return file key
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*/
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public static function getKey(string $courseCode, int $docId): string
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{
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$docInfo = DocumentManager::get_document_data_by_id($docId, $courseCode);
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$mtime = filemtime($docInfo["absolute_path"]);
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$key = $mtime . $courseCode . $docId;
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return self::GenerateRevisionId($key);
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}
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/**
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* Translation key to a supported form
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*/
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public static function GenerateRevisionId(string $expectedKey): string
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{
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if (strlen($expectedKey) > 20) $expectedKey = crc32( $expectedKey);
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$key = preg_replace("[^0-9-.a-zA-Z_=]", "_", $expectedKey);
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$key = substr($key, 0, min(array(strlen($key), 20)));
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return $key;
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}
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}
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