scratch – Diff between revs 52 and 53
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Rev 52 | Rev 53 | |||
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1 | <?php |
1 | <?php |
|
2 | |
2 | |
|
3 | ########################################################################### |
3 | ########################################################################### |
|
4 | ## Copyright (C) Wizardry and Steamworks 2017 - License: GNU GPLv3 ## |
4 | ## Copyright (C) Wizardry and Steamworks 2017 - License: GNU GPLv3 ## |
|
5 | ########################################################################### |
5 | ########################################################################### |
|
6 | |
6 | |
|
7 | require_once('inc/pseudocrypt.php'); |
7 | require_once('inc/pseudocrypt.php'); |
|
8 | require_once('inc/functions.php'); |
8 | require_once('inc/functions.php'); |
|
9 | require_once('config.php'); |
9 | require_once('config.php'); |
|
10 | |
10 | |
|
11 | #### POST -> upload / GET -> download |
11 | #### POST -> upload / GET -> download |
|
12 | switch ($_SERVER['REQUEST_METHOD']) { |
12 | switch ($_SERVER['REQUEST_METHOD']) { |
|
13 | case 'POST': |
13 | case 'POST': |
|
14 | #### Retrieve uploaded file. |
14 | #### Retrieve uploaded file. |
|
15 | if (!empty($_FILES['file']) and |
15 | if (!empty($_FILES['file']) and |
|
16 | is_uploaded_file($_FILES['file']['tmp_name'])) { |
16 | is_uploaded_file($_FILES['file']['tmp_name'])) { |
|
17 | # Regular multipart/form-data upload. |
17 | # Regular multipart/form-data upload. |
|
18 | $name = $_FILES['file']['name']; |
18 | $name = $_FILES['file']['name']; |
|
19 | $data = file_get_contents($_FILES['file']['tmp_name']); |
19 | $data = file_get_contents($_FILES['file']['tmp_name']); |
|
20 | } else { |
20 | } else { |
|
21 | # Raw POST data. |
21 | # Raw POST data. |
|
22 | $name = urldecode(@$_SERVER['HTTP_X_FILE_NAME']); |
22 | $name = urldecode(@$_SERVER['HTTP_X_FILE_NAME']); |
|
23 | $data = file_get_contents("php://input"); |
23 | $data = file_get_contents("php://input"); |
|
24 | } |
24 | } |
|
25 | |
25 | |
|
26 | #### Grab the file extension. |
26 | #### Grab the file extension. |
|
27 | $fileExtension = pathinfo($name, PATHINFO_EXTENSION); |
27 | $fileExtension = pathinfo($name, PATHINFO_EXTENSION); |
|
28 | |
28 | |
|
29 | #### If the extension is not allowed then change it to a text extension. |
29 | #### If the extension is not allowed then change it to a text extension. |
|
30 | if (!isset($fileExtension) || |
30 | if (!isset($fileExtension) || |
|
31 | !in_array(strtoupper($fileExtension), |
31 | !in_array(strtoupper($fileExtension), |
|
32 | array_map('strtoupper', $ALLOWED_FILE_EXTENSIONS))) { |
32 | array_map('strtoupper', $ALLOWED_FILE_EXTENSIONS))) { |
|
33 | header("HTTP/1.1 500 Internal Server Error", true, 500); |
33 | header("HTTP/1.1 500 Internal Server Error", true, 500); |
|
34 | return; |
34 | return; |
|
35 | } |
35 | } |
|
36 | |
36 | |
|
37 | #### Hash filename. |
37 | #### Hash filename. |
|
38 | $file = strtolower( |
38 | $file = strtolower( |
|
39 | PseudoCrypt::hash( |
39 | PseudoCrypt::hash( |
|
40 | preg_replace( |
40 | preg_replace( |
|
41 | '/\D/', |
41 | '/\D/', |
|
42 | '', |
42 | '', |
|
43 | hash( |
43 | hash( |
|
44 | 'sha512', |
44 | 'sha512', |
|
45 | $data |
45 | $data |
|
46 | ) |
46 | ) |
|
47 | ), |
47 | ), |
|
48 | $ASSET_HASH_SIZE |
48 | $ASSET_HASH_SIZE |
|
49 | ) |
49 | ) |
|
50 | ); |
50 | ); |
|
51 | |
51 | |
|
52 | #### Build the user path. |
52 | #### Build the user path. |
|
53 | $userPath = join( |
53 | $userPath = join( |
|
54 | DIRECTORY_SEPARATOR, |
54 | DIRECTORY_SEPARATOR, |
|
55 | array( |
55 | array( |
|
56 | $STORE_FOLDER, |
56 | $STORE_FOLDER, |
|
57 | $file |
57 | $file |
|
58 | ) |
58 | ) |
|
59 | ); |
59 | ); |
|
60 | |
60 | |
|
61 | #### Check for path traversals |
61 | #### Check for path traversals |
|
62 | $pathPart = pathinfo($userPath.'.'.$fileExtension); |
62 | $pathPart = pathinfo($userPath.'.'.$fileExtension); |
|
63 | if (strcasecmp( |
63 | if (strcasecmp( |
|
64 | realpath($pathPart['dirname']), realpath($STORE_FOLDER)) != 0) { |
64 | realpath($pathPart['dirname']), realpath($STORE_FOLDER)) != 0) { |
|
65 | return; |
65 | return; |
|
66 | } |
66 | } |
|
67 | |
67 | |
|
68 | #### Store the file. |
68 | #### Store the file. |
|
69 | atomized_put_contents($userPath.'.'.$fileExtension, $data); |
69 | atomized_put_contents($userPath.'.'.$fileExtension, $data); |
|
70 | |
70 | |
|
71 | ### Return the URL to the file. |
71 | ### Return the URL to the file. |
|
72 | header('Content-Type: text/plain; charset=utf-8'); |
72 | header('Content-Type: text/plain; charset=utf-8'); |
|
73 | echo sprintf('%s/%s', trim($URL_PATH, '/'), $file); |
73 | echo sprintf('%s/%s', trim($URL_PATH, '/'), $file); |
|
74 | break; |
74 | break; |
|
75 | case 'GET': |
75 | case 'GET': |
|
76 | ### If no file has been specified for download then return. |
76 | ### If no file has been specified for download then return. |
|
77 | if (!isset($_GET['o']) or empty($_GET['o'])) { |
77 | if (!isset($_GET['o']) or empty($_GET['o'])) { |
|
78 | http_response_code(404); |
78 | http_response_code(404); |
|
79 | return; |
79 | return; |
|
80 | } |
80 | } |
|
- | 81 | |
||
81 | |
82 | ### Find the requested file. |
|
82 | $file = array_shift( |
83 | $file = array_shift( |
|
83 | preg_grep( |
84 | preg_grep( |
|
84 | "/$_GET[o]/", |
85 | "/$_GET[o]/", |
|
85 | scandir($STORE_FOLDER) |
86 | scandir($STORE_FOLDER) |
|
86 | ) |
87 | ) |
|
87 | ); |
88 | ); |
|
88 | |
89 | |
|
89 | if (!isset($file) or empty($file)) |
90 | if (!isset($file) or empty($file)) |
|
90 | return; |
91 | return; |
|
- | 92 | |
||
- | 93 | ### Check the path for path traversals. |
||
- | 94 | $fileExtension = pathinfo($file, PATHINFO_EXTENSION); |
||
91 | |
95 | |
|
- | 96 | #### If the extension is not allowed then return. |
||
92 | ### Open MIME info database and send the content type. |
97 | if (!isset($fileExtension) || |
|
- | 98 | !in_array(strtoupper($fileExtension), |
||
- | 99 | array_map('strtoupper', $ALLOWED_FILE_EXTENSIONS))) { |
||
- | 100 | header("HTTP/1.1 500 Internal Server Error", true, 500); |
||
- | 101 | return; |
||
- | 102 | } |
||
- | 103 | |
||
- | 104 | #### Build the user path. |
||
- | 105 | $userPath = join( |
||
- | 106 | DIRECTORY_SEPARATOR, |
||
- | 107 | array( |
||
93 | $finfo = finfo_open(FILEINFO_MIME_TYPE); |
108 | $STORE_FOLDER, |
|
- | 109 | $file |
||
- | 110 | ) |
||
- | 111 | ); |
||
- | 112 | |
||
94 | if (!$finfo) { |
113 | #### Check for path traversals |
|
- | 114 | $pathPart = pathinfo($userPath); |
||
- | 115 | if (strcasecmp( |
||
95 | http_response_code(500); |
116 | realpath($pathPart['dirname']), realpath($STORE_FOLDER)) != 0) { |
|
96 | return; |
117 | return; |
|
97 | } |
- | ||
98 | |
- | ||
99 | header('Content-type: '.finfo_file($finfo, $STORE_FOLDER.'/'.$file)); |
- | ||
- | 118 | } |
||
- | 119 | |
||
- | 120 | ### Hook for HTML files to display properly. |
||
- | 121 | switch(strtoupper($fileExtension)) { |
||
- | 122 | case "HTML": |
||
- | 123 | case "HTM": |
||
- | 124 | header('Content-type: text/html'); |
||
- | 125 | break; |
||
- | 126 | break; |
||
- | 127 | default: |
||
- | 128 | ### Open MIME info database and send the content type. |
||
- | 129 | $finfo = finfo_open(FILEINFO_MIME_TYPE); |
||
- | 130 | if (!$finfo) { |
||
- | 131 | http_response_code(500); |
||
- | 132 | return; |
||
- | 133 | } |
||
- | 134 | |
||
- | 135 | header('Content-type: '.finfo_file($finfo, $userPath)); |
||
- | 136 | finfo_close($finfo); |
||
- | 137 | break; |
||
100 | finfo_close($finfo); |
138 | } |
|
101 | |
139 | |
|
102 | ### Send the file along with the inline content disposition. |
140 | ### Send the file along with the inline content disposition. |
|
- | 141 | header('Content-length: '.(int)get_file_size($userPath)); |
||
103 | header('Content-length: '.(int)get_file_size($STORE_FOLDER.'/'.$file)); |
142 | header('Content-Disposition: inline; filename="' . basename($userPath) . '"'); |
|
104 | header('Content-Disposition: inline; filename="' . basename($STORE_FOLDER.'/'.$file) . '"'); |
143 | header('Content-Transfer-Encoding: binary'); |
|
105 | header('X-Sendfile: '.$STORE_FOLDER.'/'.$file); |
144 | header('X-Sendfile: '.$userPath); |
|
106 | break; |
145 | break; |
|
107 | } |
146 | } |
|
108 | |
147 | |