summaryrefslogtreecommitdiff
path: root/lib/facebook-graph-sdk/src/Facebook/Http/GraphRawResponse.php
blob: d1a7241c83fba37b35f41bd6f7141d844fd755b0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
<?php
/**
 * Copyright 2017 Facebook, Inc.
 *
 * You are hereby granted a non-exclusive, worldwide, royalty-free license to
 * use, copy, modify, and distribute this software in source code or binary
 * form for use in connection with the web services and APIs provided by
 * Facebook.
 *
 * As with any software that integrates with the Facebook platform, your use
 * of this software is subject to the Facebook Developer Principles and
 * Policies [http://developers.facebook.com/policy/]. This copyright notice
 * shall be included in all copies or substantial portions of the software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 */
namespace Facebook\Http;

/**
 * Class GraphRawResponse
 *
 * @package Facebook
 */
class GraphRawResponse
{
    /**
     * @var array The response headers in the form of an associative array.
     */
    protected $headers;

    /**
     * @var string The raw response body.
     */
    protected $body;

    /**
     * @var int The HTTP status response code.
     */
    protected $httpResponseCode;

    /**
     * Creates a new GraphRawResponse entity.
     *
     * @param string|array $headers        The headers as a raw string or array.
     * @param string       $body           The raw response body.
     * @param int          $httpStatusCode The HTTP response code (if sending headers as parsed array).
     */
    public function __construct($headers, $body, $httpStatusCode = null)
    {
        if (is_numeric($httpStatusCode)) {
            $this->httpResponseCode = (int)$httpStatusCode;
        }

        if (is_array($headers)) {
            $this->headers = $headers;
        } else {
            $this->setHeadersFromString($headers);
        }

        $this->body = $body;
    }

    /**
     * Return the response headers.
     *
     * @return array
     */
    public function getHeaders()
    {
        return $this->headers;
    }

    /**
     * Return the body of the response.
     *
     * @return string
     */
    public function getBody()
    {
        return $this->body;
    }

    /**
     * Return the HTTP response code.
     *
     * @return int
     */
    public function getHttpResponseCode()
    {
        return $this->httpResponseCode;
    }

    /**
     * Sets the HTTP response code from a raw header.
     *
     * @param string $rawResponseHeader
     */
    public function setHttpResponseCodeFromHeader($rawResponseHeader)
    {
        preg_match('|HTTP/\d\.\d\s+(\d+)\s+.*|', $rawResponseHeader, $match);
        $this->httpResponseCode = (int)$match[1];
    }

    /**
     * Parse the raw headers and set as an array.
     *
     * @param string $rawHeaders The raw headers from the response.
     */
    protected function setHeadersFromString($rawHeaders)
    {
        // Normalize line breaks
        $rawHeaders = str_replace("\r\n", "\n", $rawHeaders);

        // There will be multiple headers if a 301 was followed
        // or a proxy was followed, etc
        $headerCollection = explode("\n\n", trim($rawHeaders));
        // We just want the last response (at the end)
        $rawHeader = array_pop($headerCollection);

        $headerComponents = explode("\n", $rawHeader);
        foreach ($headerComponents as $line) {
            if (strpos($line, ': ') === false) {
                $this->setHttpResponseCodeFromHeader($line);
            } else {
                list($key, $value) = explode(': ', $line, 2);
                $this->headers[$key] = $value;
            }
        }
    }
}