1 <?php
2 /**
3 * Copyright 2015 Klarna AB
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 * File containing the Klarna_Checkout_HTTP_CURLHeaders class
18 *
19 * PHP version 5.3
20 *
21 * @category Payment
22 * @package Payment_Klarna
23 * @subpackage HTTP
24 * @author Klarna <support@klarna.com>
25 * @copyright 2015 Klarna AB
26 * @license http://www.apache.org/licenses/LICENSE-2.0 Apache license v2.0
27 * @link http://developers.klarna.com/
28 */
29
30 /**
31 * A simple class handling the header callback for cURL.
32 *
33 * @category Payment
34 * @package Payment_Klarna
35 * @subpackage HTTP
36 * @author Klarna <support@klarna.com>
37 * @copyright 2015 Klarna AB
38 * @license http://www.apache.org/licenses/LICENSE-2.0 Apache license v2.0
39 * @link http://developers.klarna.com/
40 */
41 class Klarna_Checkout_HTTP_CURLHeaders
42 {
43 /**
44 * Response headers, cleared for each request.
45 *
46 * @var array
47 */
48 protected $headers;
49
50 /**
51 * Initializes a new instance of the HTTP cURL class.
52 */
53 public function __construct()
54 {
55 $this->headers = array();
56 }
57
58 /**
59 * Callback method to handle custom headers.
60 *
61 * @param resource $curl the cURL resource.
62 * @param string $header the header data.
63 *
64 * @return int the number of bytes handled.
65 */
66 public function processHeader($curl, $header)
67 {
68 $curl = null;
69 //TODO replace with regexp, e.g. /^([^:]+):([^:]*)$/ ?
70 $pos = strpos($header, ':');
71 // Didn't find a colon.
72 if ($pos === false) {
73 // Not real header, abort.
74 return strlen($header);
75 }
76
77 $key = substr($header, 0, $pos);
78 $value = trim(substr($header, $pos+1));
79
80 $this->headers[$key] = trim($value);
81
82 return strlen($header);
83 }
84
85 /**
86 * Gets the accumulated headers.
87 *
88 * @return array
89 */
90 public function getHeaders()
91 {
92 return $this->headers;
93 }
94 }
95