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Basic.php (1939B)

      1 <?php
      2 /**
      3  * Basic Authentication provider
      4  *
      5  * @package Requests
      6  * @subpackage Authentication
      7  */
      8 
      9 /**
     10  * Basic Authentication provider
     11  *
     12  * Provides a handler for Basic HTTP authentication via the Authorization
     13  * header.
     14  *
     15  * @package Requests
     16  * @subpackage Authentication
     17  */
     18 class Requests_Auth_Basic implements Requests_Auth {
     19 	/**
     20 	 * Username
     21 	 *
     22 	 * @var string
     23 	 */
     24 	public $user;
     25 
     26 	/**
     27 	 * Password
     28 	 *
     29 	 * @var string
     30 	 */
     31 	public $pass;
     32 
     33 	/**
     34 	 * Constructor
     35 	 *
     36 	 * @throws Requests_Exception On incorrect number of arguments (`authbasicbadargs`)
     37 	 * @param array|null $args Array of user and password. Must have exactly two elements
     38 	 */
     39 	public function __construct($args = null) {
     40 		if (is_array($args)) {
     41 			if (count($args) !== 2) {
     42 				throw new Requests_Exception('Invalid number of arguments', 'authbasicbadargs');
     43 			}
     44 
     45 			list($this->user, $this->pass) = $args;
     46 		}
     47 	}
     48 
     49 	/**
     50 	 * Register the necessary callbacks
     51 	 *
     52 	 * @see curl_before_send
     53 	 * @see fsockopen_header
     54 	 * @param Requests_Hooks $hooks Hook system
     55 	 */
     56 	public function register(Requests_Hooks $hooks) {
     57 		$hooks->register('curl.before_send', array($this, 'curl_before_send'));
     58 		$hooks->register('fsockopen.after_headers', array($this, 'fsockopen_header'));
     59 	}
     60 
     61 	/**
     62 	 * Set cURL parameters before the data is sent
     63 	 *
     64 	 * @param resource $handle cURL resource
     65 	 */
     66 	public function curl_before_send(&$handle) {
     67 		curl_setopt($handle, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
     68 		curl_setopt($handle, CURLOPT_USERPWD, $this->getAuthString());
     69 	}
     70 
     71 	/**
     72 	 * Add extra headers to the request before sending
     73 	 *
     74 	 * @param string $out HTTP header string
     75 	 */
     76 	public function fsockopen_header(&$out) {
     77 		$out .= sprintf("Authorization: Basic %s\r\n", base64_encode($this->getAuthString()));
     78 	}
     79 
     80 	/**
     81 	 * Get the authentication string (user:pass)
     82 	 *
     83 	 * @return string
     84 	 */
     85 	public function getAuthString() {
     86 		return $this->user . ':' . $this->pass;
     87 	}
     88 }