117 lines
2.9 KiB
PHP
117 lines
2.9 KiB
PHP
<?php
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/**
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* Plaintext authentication backend
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*
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* If you want to authenticate against something
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* else then the builtin flatfile auth system
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* you have to reimplement the "required auth
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* functions"
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*
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* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
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* @author Andreas Gohr <andi@splitbrain.org>
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*/
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// we only accept page ids for auth_plain
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if(isset($_REQUEST['u']))
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$_REQUEST['u'] = cleanID($_REQUEST['u']);
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/**
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* Check user+password [required auth function]
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*
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* Checks if the given user exists and the given
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* plaintext password is correct
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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* @return bool
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*/
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function auth_checkPass($user,$pass){
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$users = auth_plain_loadUserData();
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if(!isset($users[$user])) return false;
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return auth_verifyPassword($pass,$users[$user]['pass']);
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}
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/**
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* Return user info [required auth function]
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*
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* Returns info about the given user needs to contain
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* at least these fields:
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*
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* name string full name of the user
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* mail string email addres of the user
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* grps array list of groups the user is in
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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*/
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function auth_getUserData($user){
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$users = auth_plain_loadUserData();
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return $users[$user];
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}
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/**
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* Create a new User [required auth function]
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*
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* Returns false if the user already exists, null when an error
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* occured and the cleartext password of the new user if
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* everything went well.
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*
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* The new user HAS TO be added to the default group by this
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* function!
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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*/
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function auth_createUser($user,$pass,$name,$mail){
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global $conf;
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$users = auth_plain_loadUserData();
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if(isset($users[$user])) return false;
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$userline = join(':',array($user,
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auth_cryptPassword($pass),
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$name,
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$mail,
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$conf['defaultgroup']));
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$userline .= "\n";
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$fh = fopen(DOKU_CONF.'users.auth.php','a');
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if($fh){
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fwrite($fh,$userline);
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fclose($fh);
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return $pass;
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}
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msg('The users.auth.php file is not writable. Please inform the Wiki-Admin',-1);
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return null;
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}
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/**
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* Load all user data
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*
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* Used by the plaintext auth functions
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* loads the user file into a datastructure
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*
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* @author Andreas Gohr <andi@splitbrain.org>
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*/
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function auth_plain_loadUserData(){
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$data = array();
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if(!@file_exists(DOKU_CONF.'users.auth.php')){
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return $data;
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}
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$lines = file(DOKU_CONF.'users.auth.php');
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foreach($lines as $line){
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$line = preg_replace('/#.*$/','',$line); //ignore comments
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$line = trim($line);
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if(empty($line)) continue;
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$row = split(":",$line,5);
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$groups = split(",",$row[4]);
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$data[$row[0]]['pass'] = $row[1];
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$data[$row[0]]['name'] = urldecode($row[2]);
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$data[$row[0]]['mail'] = $row[3];
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$data[$row[0]]['grps'] = $groups;
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}
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return $data;
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}
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//Setup VIM: ex: et ts=2 enc=utf-8 :
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