cops/fetch.php at master · sbdomo/cops · GitHub

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
138
139
140
<?php
/**
 * COPS (Calibre OPDS PHP Server)
 *
 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
 * @author     Gordon Page <gordon@incero.com> with integration/modification by Sébastien Lucas <sebastien@slucas.fr>
 */

    require_once ("config.php");
    require_once ("book.php");
    require_once ("data.php");

function notFound () {
    header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found");
    header("Status: 404 Not Found");

    $_SERVER['REDIRECT_STATUS'] = 404;
}

    global $config;
    $expires = 60*60*24*14;
    header("Pragma: public");
    header("Cache-Control: maxage=".$expires);
    header('Expires: ' . gmdate('D, d M Y H:i:s', time()+$expires) . ' GMT');
    $bookId = getURLParam ("id", NULL);
    $type = getURLParam ("type", "jpg");
    $idData = getURLParam ("data", NULL);
    if (is_null ($bookId))
    {
        $book = Book::getBookByDataId($idData);
    }
    else
    {
        $book = Book::getBookById($bookId);
    }

    if (!$book) {
        notFound ();
        return;
    }

    if ($book && ($type == "jpg" || empty ($config['calibre_internal_directory']))) {
        if ($type == "jpg") {
            $file = $book->getFilePath ($type);
        } else {
            $file = $book->getFilePath ($type, $idData);
        }
        if (!$file || !file_exists ($file)) {
            notFound ();
            return;
        }
    }

    switch ($type)
    {
        case "jpg":
            header("Content-Type: image/jpeg");
            if (isset($_GET["width"]))
            {
                $file = $book->getFilePath ($type);
                // get image size
                if($size = GetImageSize($file)){
                    $w = $size[0];
                    $h = $size[1];
                    //set new size
                    $nw = $_GET["width"];
                    if ($nw > $w) { break; }
                    $nh = ($nw*$h)/$w;
                }
                else{
                    //set new size
                    $nw = "160";
                    $nh = "120";
                }
                //draw the image
                $src_img = imagecreatefromjpeg($file);
                $dst_img = imagecreatetruecolor($nw,$nh);
                imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $nw, $nh, $w, $h);//resizing the image
                imagejpeg($dst_img,null,80);
                imagedestroy($src_img);
                imagedestroy($dst_img);
                return;
            }
            if (isset($_GET["height"]))
            {
                $file = $book->getFilePath ($type);
                // get image size
                if($size = GetImageSize($file)){
                    $w = $size[0];
                    $h = $size[1];
                    //set new size
                    $nh = $_GET["height"];
                    if ($nh > $h) { break; }
                    $nw = ($nh*$w)/$h;
                }
                else{
                    //set new size
                    $nw = "160";
                    $nh = "120";
                }
                //draw the image
                $src_img = imagecreatefromjpeg($file);
                $dst_img = imagecreatetruecolor($nw,$nh);
                imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $nw, $nh, $w, $h);//resizing the image
                imagejpeg($dst_img,null,80);
                imagedestroy($src_img);
                imagedestroy($dst_img);
                return;
            }
            break;
        default:
            header("Content-Type: " . Data::$mimetypes[$type]);
            break;
    }
    $file = $book->getFilePath ($type, $idData, true);
    if ($type == "epub" && $config['cops_update_epub-metadata'])
    {
        $book->getUpdatedEpub ($idData);
        return;
    }
    if ($type == "jpg") {
        header('Content-Disposition: filename="' . basename ($file) . '"');
    } else {
        header('Content-Disposition: attachment; filename="' . basename ($file) . '"');
    }

    $dir = $config['calibre_internal_directory'];
    if (empty ($config['calibre_internal_directory'])) {
        $dir = Base::getDbDirectory ();
    }

    if (empty ($config['cops_x_accel_redirect'])) {
        $filename = $dir . $file;
        $fp = fopen($filename, 'rb');
        header("Content-Length: " . filesize($filename));
        fpassthru($fp);
    }
    else {
        header ($config['cops_x_accel_redirect'] . ": " . $dir . $file);
    }