Mercurial > prosody-modules

annotate mod_http_upload_external/share.php @ 2446:c563f4d64302

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_persisthosts: Module that dynamically creates stub configuration files for dynamically activated hosts
author Kim Alvefur <zash@zash.se>
date Wed, 18 Jan 2017 01:38:17 +0100
parents f86478a02b25
children 67d6510c5f49
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2333
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1 <?php
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
2
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
3 /*
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
4 PHP script to handle file uploads and downloads for Prosody's mod_http_upload_external
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
5
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
6 Tested with Apache 2.2+ and PHP 5.3+
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
7
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
8 ** Why this script?
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
9
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
10 This script only allows uploads that have been authorized by mod_http_upload_external. It
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
11 attempts to make the upload/download as safe as possible, considering that there are *many*
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
12 security concerns involved with allowing arbitrary file upload/download on a web server.
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
13
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
14 With that said, I do not consider myself a PHP developer, and at the time of writing, this
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
15 code has had no external review. Use it at your own risk. I make no claims that this code
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
16 is secure.
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18 ** How to use?
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
19
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
20 Drop this file somewhere it will be served by your web server. Edit the config options below.
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
21
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
22 In Prosody set:
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
23
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
24 http_upload_external_base_url = "https://your.example.com/path/to/share.php/"
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
25 http_upload_external_secret = "this is your secret string"
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
26
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
27 ** License
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
28
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
29 (C) 2016 Matthew Wild <mwild1@gmail.com>
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
30
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
31 Permission is hereby granted, free of charge, to any person obtaining a copy of this software
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
32 and associated documentation files (the "Software"), to deal in the Software without restriction,
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
33 including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
34 and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
35 subject to the following conditions:
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
36
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
37 The above copyright notice and this permission notice shall be included in all copies or substantial
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
38 portions of the Software.
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
39
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
40 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
41 BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
42 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
43 DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
44 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
45
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
46 */
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
47
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
48 /*\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\*/
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
49 /* CONFIGURATION OPTIONS */
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
50 /*\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\*/
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
51
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
52 /* Change this to a directory that is writable by your web server, but is outside your web root */
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
53 $CONFIG_STORE_DIR = '/tmp';
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
54
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
55 /* This must be the same as 'http_upload_external_secret' that you set in Prosody's config file */
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
56 $CONFIG_SECRET = 'this is your secret string';
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
57
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
58 /* For people who need options to tweak that they don't understand... here you are */
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
59 $CONFIG_CHUNK_SIZE = 4096;
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
60
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
61 /*\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\*/
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
62 /* END OF CONFIGURATION */
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
63 /*\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\*/
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
64
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
65 /* Do not edit below this line unless you know what you are doing (spoiler: nobody does) */
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
66
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
67 $upload_file_name = substr($_SERVER['PHP_SELF'], strlen($_SERVER['SCRIPT_NAME'])+1);
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
68 $store_file_name = $CONFIG_STORE_DIR . '/store-' . hash('sha256', $upload_file_name);
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
69
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
70 $request_method = $_SERVER['REQUEST_METHOD'];
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
71
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
72 if(array_key_exists('v', $_GET) === TRUE && $request_method === 'PUT') {
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
73 $headers = getallheaders();
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
74
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
75 $upload_file_size = $headers['Content-Length'];
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
76 $upload_token = $_GET['v'];
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
77
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
78 $calculated_token = hash_hmac('sha256', "$upload_file_name $upload_file_size", $CONFIG_SECRET);
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
79 if($upload_token !== $calculated_token) {
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
80 header('HTTP/1.0 403 Forbidden');
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
81 exit;
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
82 }
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
83
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
84 /* Open a file for writing */
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
85 $store_file = fopen($store_file_name, 'x');
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
86
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
87 if($store_file === FALSE) {
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
88 header('HTTP/1.0 409 Conflict');
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
89 exit;
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
90 }
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
91
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
92 /* PUT data comes in on the stdin stream */
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
93 $incoming_data = fopen('php://input', 'r');
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
94
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
95 /* Read the data a chunk at a time and write to the file */
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
96 while ($data = fread($incoming_data, $CONFIG_CHUNK_SIZE)) {
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
97 fwrite($store_file, $data);
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
98 }
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
99
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
100 /* Close the streams */
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
101 fclose($incoming_data);
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
102 fclose($store_file);
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
103 } else if($request_method === 'GET' || $request_method === 'HEAD') {
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
104 // Send file (using X-Sendfile would be nice here...)
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
105 if(file_exists($store_file_name)) {
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
106 header('Content-Disposition: attachment');
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
107 header('Content-Type: application/octet-stream');
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
108 header('Content-Length: '.filesize($store_file_name));
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
109 if($request_method !== 'HEAD') {
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
110 readfile($store_file_name);
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
111 }
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
112 } else {
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
113 header('HTTP/1.0 404 Not Found');
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
114 }
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
115 } else {
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
116 header('HTTP/1.0 400 Bad Request');
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
117 }
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
118
f86478a02b25 mod_http_upload_external: Add share.php example implementation
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
119 exit;