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100 lines
2.8 KiB
PHP
100 lines
2.8 KiB
PHP
<?php
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/**
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* ownCloud - Files_Opds App
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*
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* @author Frank de Lange
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* @copyright 2014 Frank de Lange
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*
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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*/
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namespace OCA\Files_Opds;
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/**
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* Utility class for OPDS
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*/
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class Util
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{
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/**
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* @brief Authenticate user by HTTP Basic Authentication
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* with user name and password
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*/
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public static function authenticateUser() {
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if (!isset($_SERVER['PHP_AUTH_USER'])) {
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$defaults = new \OC_Defaults();
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$realm = $defaults->getName();
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header ("HTTP/1.0 401 Unauthorized");
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header ('WWW-Authenticate: Basic realm="' . $realm. '"');
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exit();
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}
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$userName = $_SERVER['PHP_AUTH_USER'];
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// Check the password in the ownCloud database
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return self::checkPassword($userName, $_SERVER['PHP_AUTH_PW']);
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}
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/**
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* @brief Checks the password of a user.
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* @param string $userName ownCloud user name whose password will be checked.
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* @param string $password ownCloud password.
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* @return bool True if the password is correct, false otherwise.
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*
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*/
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private static function checkPassword($userName, $password) {
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// Check password normally
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if (\OCP\User::checkPassword($userName, $password) != false) {
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return true;
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}
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return false;
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}
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/**
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* @brief Change HTTP response code.
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*
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* @param integer $statusCode The new HTTP status code.
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*/
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public static function changeHttpStatus($statusCode) {
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$message = '';
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switch ($statusCode) {
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case 400: $message = 'Bad Request'; break;
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case 401: $message = 'Unauthorized'; break;
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case 403: $message = 'Forbidden'; break;
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case 404: $message = 'Not Found'; break;
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case 500: $message = 'Internal Server Error'; break;
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case 503: $message = 'Service Unavailable'; break;
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}
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// Set status code and status message in HTTP header
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header('HTTP/1.0 ' . $statusCode . ' ' . $message);
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}
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/**
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* @brief generate v3 UUID based on display name and site url
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*
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* @return string uuid
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*/
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public static function genUuid() {
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$defaults = new \OC_Defaults();
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$hash = md5(\OCP\User::getDisplayName() . $defaults->getBaseUrl());
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$hash = substr($hash, 0, 8 ) .'-'.
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substr($hash, 8, 4) .'-3'.
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substr($hash, 13, 3) .'-9'.
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substr($hash, 17, 3) .'-'.
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substr($hash, 20);
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return $hash;
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}
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/**
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* @brief log warning
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* @param string message to write to log
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*/
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public static function logWarn($msg) {
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\OCP\Util::writeLog('files_opds', $msg, \OCP\Util::WARN);
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}
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}
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