<?php
/**
* Basic Authentication provider
*
* @package Requests
* @subpackage Authentication
*/
/**
* Basic Authentication provider
*
* Provides a handler for Basic HTTP authentication via the Authorization
* header.
*
* @package Requests
* @subpackage Authentication
*/
class Requests_Auth_Basic implements Requests_Auth {
/**
* Username
*
* @var string
*/
public $user;
/**
* Password
*
* @var string
*/
public $pass;
/**
* Constructor
*
* @throws Requests_Exception On incorrect number of arguments (`authbasicbadargs`)
* @param array|null $args Array of user and password. Must have exactly two elements
*/
public function __construct($args = null) {
if (is_array($args)) {
if (count($args) !== 2) {
throw new Requests_Exception('Invalid number of arguments', 'authbasicbadargs');
}
list($this->user, $this->pass) = $args;
}
}
/**
* Register the necessary callbacks
*
* @see curl_before_send
* @see fsockopen_header
* @param Requests_Hooks $hooks Hook system
*/
public function register(Requests_Hooks $hooks) {
$hooks->register('curl.before_send', array($this, 'curl_before_send'));
$hooks->register('fsockopen.after_headers', array($this, 'fsockopen_header'));
}
/**
* Set cURL parameters before the data is sent
*
* @param resource $handle cURL resource
*/
public function curl_before_send(&$handle) {
curl_setopt($handle, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
curl_setopt($handle, CURLOPT_USERPWD, $this->getAuthString());
}
/**
* Add extra headers to the request before sending
*
* @param string $out HTTP header string
*/
public function fsockopen_header(&$out) {
$out .= sprintf("Authorization: Basic %s\r\n", base64_encode($this->getAuthString()));
}
/**
* Get the authentication string (user:pass)
*
* @return string
*/
public function getAuthString() {
return $this->user . ':' . $this->pass;
}
}