scratch – Diff between revs 90 and 103
?pathlinks?
Rev 90 | Rev 103 | |||
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1 | <?php |
1 | <?php |
|
2 | |
2 | |
|
3 | ########################################################################### |
3 | ########################################################################### |
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4 | ## Copyright (C) Wizardry and Steamworks 2017 - License: GNU GPLv3 ## |
4 | ## Copyright (C) Wizardry and Steamworks 2017 - License: GNU GPLv3 ## |
|
5 | ########################################################################### |
5 | ########################################################################### |
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6 | |
6 | |
|
7 | require_once('php/pseudocrypt.php'); |
7 | require_once('php/pseudocrypt.php'); |
|
8 | require_once('php/functions.php'); |
8 | require_once('php/functions.php'); |
|
9 | require_once('vendor/autoload.php'); |
9 | require_once('vendor/autoload.php'); |
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10 | |
10 | |
|
11 | ### Load configuration. |
11 | ### Load configuration. |
|
12 | $config = spyc_load_file('config.yaml'); |
12 | $config = spyc_load_file('config.yaml'); |
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13 | |
13 | |
|
14 | ### If no file has been specified for download then return. |
14 | ### If no file has been specified for download then return. |
|
15 | if (!isset($_GET['hash']) or empty($_GET['hash'])) { |
15 | if (!isset($_GET['hash']) or empty($_GET['hash'])) { |
|
16 | http_response_code(404); |
16 | http_response_code(404); |
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17 | die('File not found.'); |
17 | die('File not found.'); |
|
18 | } |
18 | } |
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19 | |
19 | |
|
20 | ### Find the requested file. |
20 | ### Find the requested file. |
|
21 | $file = array_shift( |
21 | $file = array_shift( |
|
22 | preg_grep( |
22 | preg_grep( |
|
23 | "/".$_GET['hash']."/", |
23 | "/".$_GET['hash']."/", |
|
24 | scandir($config['STORE_FOLDER']) |
24 | scandir($config['STORE_FOLDER']) |
|
25 | ) |
25 | ) |
|
26 | ); |
26 | ); |
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27 | |
27 | |
|
28 | if (!isset($file) or empty($file)) { |
28 | if (!isset($file) or empty($file)) { |
|
29 | http_response_code(404); |
29 | http_response_code(404); |
|
30 | die('File not found.'); |
30 | die('File not found.'); |
|
31 | } |
31 | } |
|
32 | |
32 | |
|
33 | ### Check the path for path traversals. |
33 | ### Check the path for path traversals. |
|
34 | $fileExtension = pathinfo($file, PATHINFO_EXTENSION); |
34 | $fileExtension = pathinfo($file, PATHINFO_EXTENSION); |
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35 | |
35 | |
|
36 | #### If the extension is not allowed then return. |
36 | #### If the extension is not allowed then return. |
|
37 | if (!isset($fileExtension) || |
37 | if (!isset($fileExtension) || |
|
38 | !in_array(strtoupper($fileExtension), |
38 | !in_array(strtoupper($fileExtension), |
|
39 | array_map('strtoupper', $config['ALLOWED_FILE_EXTENSIONS']))) { |
39 | array_map('strtoupper', $config['ALLOWED_FILE_EXTENSIONS']))) { |
|
40 | http_response_code(403); |
40 | http_response_code(403); |
|
41 | die('File extension not allowed.'); |
41 | die('File extension not allowed.'); |
|
42 | } |
42 | } |
|
43 | |
43 | |
|
44 | #### Build the user path. |
44 | #### Build the user path. |
|
45 | $userPath = join( |
45 | $userPath = join( |
|
46 | DIRECTORY_SEPARATOR, |
46 | DIRECTORY_SEPARATOR, |
|
47 | array( |
47 | array( |
|
48 | $config['STORE_FOLDER'], |
48 | $config['STORE_FOLDER'], |
|
49 | $file |
49 | $file |
|
50 | ) |
50 | ) |
|
51 | ); |
51 | ); |
|
52 | |
52 | |
|
53 | #### Check for path traversals |
53 | #### Check for path traversals |
|
54 | $pathPart = pathinfo($userPath); |
54 | $pathPart = pathinfo($userPath); |
|
55 | if (strcasecmp( |
55 | if (strcasecmp( |
|
56 | realpath($pathPart['dirname']), realpath($config['STORE_FOLDER'])) != 0) { |
56 | realpath($pathPart['dirname']), realpath($config['STORE_FOLDER'])) != 0) { |
|
57 | http_response_code(500); |
57 | http_response_code(500); |
|
58 | die('Internal server error.'); |
58 | die('Internal server error.'); |
|
59 | } |
59 | } |
|
60 | |
60 | |
|
61 | #### Check if the file exists. |
61 | #### Check if the file exists. |
|
62 | if (!file_exists($userPath)) { |
62 | if (!file_exists($userPath)) { |
|
63 | http_response_code(404); |
63 | http_response_code(404); |
|
64 | die('File not found.'); |
64 | die('File not found.'); |
|
65 | } |
65 | } |
|
66 | |
66 | |
|
- | 67 | $URL = $config['URL_PATH'].'og/'.$_GET['hash']; |
||
67 | $URL = $config['URL_PATH'].$_GET['hash']; |
68 | $VIDEO_URL = $config['URL_PATH'].'file.php?hash='.$_GET['hash']; |
|
68 | |
69 | |
|
69 | switch(strtoupper($fileExtension)) { |
70 | switch(strtoupper($fileExtension)) { |
|
70 | case 'GIF': |
71 | case 'GIF': |
|
71 | list($width, $height) = getimagesize($userPath); |
72 | list($width, $height) = getimagesize($userPath); |
|
72 | echo <<<END |
73 | echo <<<END |
|
73 | <html> |
74 | <html> |
|
74 | <head> |
75 | <head> |
|
75 | <meta property="og:site_name" content="Scratch Copy"> |
76 | <meta property="og:site_name" content="Scratch Copy"> |
|
76 | <meta property="og:url" content="$URL"> |
77 | <meta property="og:url" content="$URL"> |
|
77 | <meta property="og:title" content="Scratch Copy"> |
78 | <meta property="og:title" content="Scratch Copy"> |
|
78 | <meta property="og:type" content="video.other"> |
79 | <meta property="og:type" content="video.other"> |
|
79 | <meta property="og:image" content="$URL"> |
80 | <meta property="og:image" content="$VIDEO_URL"> |
|
80 | <meta property="og:image:width" content="$width"> |
81 | <meta property="og:image:width" content="$width"> |
|
81 | <meta property="og:image:height" content="$height"> |
82 | <meta property="og:image:height" content="$height"> |
|
82 | </head> |
83 | </head> |
|
83 | |
84 | |
|
84 | <body> |
85 | <body> |
|
85 | <p> |
86 | <p> |
|
86 | <img src="$URL"> |
87 | <img src="$URL"> |
|
87 | </p> |
88 | </p> |
|
88 | </body> |
89 | </body> |
|
89 | |
90 | |
|
90 | </html> |
91 | </html> |
|
91 | END; |
92 | END; |
|
- | 93 | break; |
||
- | 94 | case 'MP4': |
||
- | 95 | echo <<<END |
||
- | 96 | <html> |
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- | 97 | <head> |
||
- | 98 | <!-- These two aren't necessary for embedding. --> |
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- | 99 | <meta property="og:site_name" content="Scratch Copy"> |
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- | 100 | <meta property="og:title" content="Scratch Copy"> |
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- | 101 | <meta property="og:type" content="video.other"> |
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- | 102 | <meta property="og:description" content="Scratch Copy"> |
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- | 103 | <meta property="og:url" content="$URL"> |
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- | 104 | <meta property="og:image" content="https://scratch.grimore.org/img/blueprint.png"> |
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- | 105 | <meta property="og:video" content='https://scratch.grimore.org/flowplayer/flowplayer.swf?config={"clip":{"url":"$VIDEO_URL"}}'> |
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- | 106 | <meta property="og:video:secure_url" content='https://scratch.grimore.org/flowplayer/flowplayer.swf?config={"clip":{"url":"$VIDEO_URL"}}'> |
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- | 107 | <meta property="og:video:type" content="application/x-shockwave-flash"> |
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- | 108 | <meta property="og:video:height" content="254"> |
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- | 109 | <meta property="og:video:width" content="650"> |
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- | 110 | </head> |
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- | 111 | |
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- | 112 | <body> |
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- | 113 | <p> |
||
92 | break; |
114 | <object width="425" height="300" id="Scratch Copy" name="Scratch Copy" data="https://scratch.grimore.org/flowplayer/flowplayer.swf" type="application/x-shockwave-flash"><param name="movie" value="https://scratch.grimore.org/flowplayer/flowplayer.swf" /><param name="allowfullscreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="flashvars" value='config={"clip":{"url":"$VIDEO_URL"}}' /></object> |
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- | 115 | </p> |
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- | 116 | </body> |
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- | 117 | |
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- | 118 | </html> |
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- | 119 | END; |
||
- | 120 | break; |
||
93 | } |
121 | } |
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94 | |
122 | |
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95 | |
123 | |
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96 | |
124 | |
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97 | |
125 | |