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78 lines
1.8 KiB
PHP
78 lines
1.8 KiB
PHP
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<?php
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namespace Sabre\DAV\Auth\Backend;
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use Sabre\DAV;
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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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* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
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* @author Evert Pot (http://evertpot.com/)
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* @license http://sabre.io/license/ Modified BSD License
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*/
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class File extends 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 = [];
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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 first.
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*
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* @param string|null $filename
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*/
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function __construct($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 $filename
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* @return void
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*/
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function loadFile($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 DAV\Exception('Malformed htdigest file. Every line should contain 2 colons');
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list($username, $realm, $A1) = explode(':', $line);
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if (!preg_match('/^[a-zA-Z0-9]{32}$/', $A1))
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throw new DAV\Exception('Malformed htdigest file. Invalid md5 hash');
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$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 $username
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* @return string
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*/
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function getDigestHash($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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