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https://git.friendi.ca/friendica/friendica-addons.git
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76 lines
1.9 KiB
PHP
76 lines
1.9 KiB
PHP
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<?php
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/**
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* This is an authentication backend that uses a file to manage passwords.
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*
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* The backend file must conform to Apache's htdigest format
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*
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* @package Sabre
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* @subpackage DAV
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* @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
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* @author Evert Pot (http://www.rooftopsolutions.nl/)
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* @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
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*/
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class Sabre_DAV_Auth_Backend_File extends Sabre_DAV_Auth_Backend_AbstractDigest {
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/**
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* List of users
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*
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* @var array
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*/
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protected $users = array();
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/**
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* Creates the backend object.
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*
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* If the filename argument is passed in, it will parse out the specified file fist.
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*
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* @param string|null $filename
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*/
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public function __construct($filename=null) {
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if (!is_null($filename))
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$this->loadFile($filename);
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}
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/**
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* Loads an htdigest-formatted file. This method can be called multiple times if
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* more than 1 file is used.
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*
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* @param string $filename
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* @return void
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*/
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public function loadFile($filename) {
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foreach(file($filename,FILE_IGNORE_NEW_LINES) as $line) {
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if (substr_count($line, ":") !== 2)
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throw new Sabre_DAV_Exception('Malformed htdigest file. Every line should contain 2 colons');
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list($username,$realm,$A1) = explode(':',$line);
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if (!preg_match('/^[a-zA-Z0-9]{32}$/', $A1))
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throw new Sabre_DAV_Exception('Malformed htdigest file. Invalid md5 hash');
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$this->users[$realm . ':' . $username] = $A1;
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}
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}
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/**
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* Returns a users' information
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*
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* @param string $realm
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* @param string $username
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* @return string
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*/
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public function getDigestHash($realm, $username) {
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return isset($this->users[$realm . ':' . $username])?$this->users[$realm . ':' . $username]:false;
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}
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}
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