mirror of
https://gitlab.com/davical-project/davical.git
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db963fadf6
support the PROPFIND request that Mulberry makes but does not fully support Mulberry yet (their timezones are non-standard).
133 lines
3.2 KiB
PHP
133 lines
3.2 KiB
PHP
<?php
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/**
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* A Class for handling BasicAuthSession data
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*
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* @package rscds
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* @subpackage BasicAuthSession
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* @author Andrew McMillan <andrew@catalyst.net.nz>
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* @copyright Catalyst IT Ltd
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* @license http://gnu.org/copyleft/gpl.html GNU GPL v2
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*/
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/**
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* A Class for handling a session using HTTP Basic Authentication
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*
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* @package rscds
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*/
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class BasicAuthSession {
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/**#@+
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* @access private
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*/
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/**
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* User ID number
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* @var user_no int
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*/
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var $user_no;
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/**
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* User e-mail
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* @var email string
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*/
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var $email;
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/**
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* User full name
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* @var fullname string
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*/
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var $fullname;
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/**
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* Group rights
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* @var groups array
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*/
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var $groups;
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/**#@-*/
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/**
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* The constructor, which pretty much drives it all
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*/
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function BasicAuthSession() {
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global $c;
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if ( isset($_SERVER['PHP_AUTH_USER']) ) {
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if ( $u = $this->CheckPassword( $_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW'] ) ) {
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$this->AssignSessionDetails($u);
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}
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else {
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unset($_SERVER['PHP_AUTH_USER']);
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}
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}
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if (!isset($_SERVER['PHP_AUTH_USER'])) {
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header( sprintf( 'WWW-Authenticate: Basic realm="%s"', $c->system_name) );
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header('HTTP/1.0 401 Unauthorized');
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echo 'Please log in for access to this system.';
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dbg_error_log( "BasicAuth", ":Session: User is not authorised" );
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exit;
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}
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}
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/**
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* CheckPassword does all of the password checking and
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* returns a user record object, or false if it all ends in tears.
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*/
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function CheckPassword( $username, $password ) {
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$qry = new PgQuery( "SELECT * FROM usr WHERE lower(username) = ? ", $username );
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if ( $qry->Exec('BasicAuth',__LINE,__FILE__) && $qry->rows == 1 ) {
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$usr = $qry->Fetch();
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dbg_error_log( "BasicAuth", ":CheckPassword: Name:%s, Pass:%s, File:%s", $username, $password, $usr->password );
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if ( session_validate_password( $password, $usr->password ) ) {
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return $usr;
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}
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}
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return false;
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}
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/**
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* Checks whether a user is allowed to do something.
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*
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* The check is performed to see if the user has that role.
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*
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* @param string $whatever The role we want to know if the user has.
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* @return boolean Whether or not the user has the specified role.
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*/
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function AllowedTo ( $whatever ) {
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return ( $this->logged_in && isset($this->roles[$whatever]) && $this->roles[$whatever] );
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}
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/**
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* Internal function used to get the user's roles from the database.
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*/
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function GetRoles () {
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$this->roles = array();
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$qry = new PgQuery( 'SELECT role_name FROM role_member m join roles r ON r.role_no = m.role_no WHERE user_no = ? ', $this->user_no );
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if ( $qry->Exec('BasicAuth') && $qry->rows > 0 ) {
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while( $role = $qry->Fetch() ) {
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$this->roles[$role->role_name] = true;
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}
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}
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}
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/**
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* Internal function used to assign the session details to a user's new session.
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* @param object $u The user+session object we (probably) read from the database.
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*/
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function AssignSessionDetails( $u ) {
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// Assign each field in the selected record to the object
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foreach( $u AS $k => $v ) {
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$this->{$k} = $v;
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}
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$this->GetRoles();
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$this->logged_in = true;
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}
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}
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$session = new BasicAuthSession();
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?>
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