prosody-modules
96bf67f1f960
mod_http_upload/mod_http_upload.lua

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mod_http_upload/mod_http_upload.lua @ 2680:96bf67f1f960

mod_http_upload: Validate that file extension (used by mod_http_files) matches mime type given by client
author Kim Alvefur <zash@zash.se>
date Thu, 13 Apr 2017 20:23:17 +0200
parent 2678:2dec7cad9218
child 2681:8d8ba28d020f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 -- mod_http_upload
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2 --
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3 -- Copyright (C) 2015-2017 Kim Alvefur
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4 --
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5 -- This file is MIT/X11 licensed.
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6 --
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7 -- Implementation of HTTP Upload file transfer mechanism used by Conversations
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8 --
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9
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10 -- imports
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11 local st = require"util.stanza";
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12 local lfs = require"lfs";
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13 local url = require "socket.url";
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14 local dataform = require "util.dataforms".new;
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15 local datamanager = require "util.datamanager";
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16 local array = require "util.array";
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17 local t_concat = table.concat;
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18 local t_insert = table.insert;
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19 local s_upper = string.upper;
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20 local have_id, id = pcall(require, "util.id"); -- Only available in 0.10+
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21 local uuid = require"util.uuid".generate;
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22 if have_id then
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23 uuid = id.medium;
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24 end
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25
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26 local function join_path(...) -- COMPAT util.path was added in 0.10
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27 return table.concat({ ... }, package.config:sub(1,1));
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28 end
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29
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30 -- config
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31 local file_size_limit = module:get_option_number(module.name .. "_file_size_limit", 1024 * 1024); -- 1 MB
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32 local quota = module:get_option_number(module.name .. "_quota");
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33 local max_age = module:get_option_number(module.name .. "_expire_after");
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34
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35 --- sanity
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36 local parser_body_limit = module:context("*"):get_option_number("http_max_content_size", 10*1024*1024);
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37 if file_size_limit > parser_body_limit then
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38 module:log("warn", "%s_file_size_limit exceeds HTTP parser limit on body size, capping file size to %d B",
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39 module.name, parser_body_limit);
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40 file_size_limit = parser_body_limit;
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41 end
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42
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43 -- depends
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44 module:depends("http");
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45 module:depends("disco");
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46
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47 local http_files = module:depends("http_files");
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48 local mime_map = module:shared("/*/http_files/mime").types;
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49
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50 -- namespaces
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51 local namespace = "urn:xmpp:http:upload:0";
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52 local legacy_namespace = "urn:xmpp:http:upload";
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53
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54 -- identity and feature advertising
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55 module:add_identity("store", "file", module:get_option_string("name", "HTTP File Upload"));
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56 module:add_feature(namespace);
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57 module:add_feature(legacy_namespace);
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58
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59 module:add_extension(dataform {
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60 { name = "FORM_TYPE", type = "hidden", value = namespace },
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61 { name = "max-file-size", type = "text-single" },
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62 }:form({ ["max-file-size"] = tostring(file_size_limit) }, "result"));
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63
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64 module:add_extension(dataform {
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65 { name = "FORM_TYPE", type = "hidden", value = legacy_namespace },
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66 { name = "max-file-size", type = "text-single" },
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67 }:form({ ["max-file-size"] = tostring(file_size_limit) }, "result"));
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68
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69 -- state
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70 local pending_slots = module:shared("upload_slots");
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71
1967
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72 local storage_path = module:get_option_string(module.name .. "_path", join_path(prosody.paths.data, module.name));
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73 lfs.mkdir(storage_path);
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74
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75 local function expire(username, host)
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76 if not max_age then return true; end
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77 local uploads, err = datamanager.list_load(username, host, module.name);
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78 if not uploads then return true; end
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79 uploads = array(uploads);
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80 local expiry = os.time() - max_age;
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81 uploads:filter(function (item)
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82 if item.time < expiry then
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83 local deleted, whynot = os.remove(item.filename);
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84 if deleted then
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85 return false;
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86 else
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87 module:log("warn", "Could not delete expired upload %s: %s", item.filename, whynot or "delete failed");
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88 end
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89 end
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90 return true;
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91 end);
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92 return datamanager.list_store(username, host, module.name, uploads);
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93 end
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94
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95 local function check_quota(username, host, does_it_fit)
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96 if not quota then return true; end
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97 local uploads, err = datamanager.list_load(username, host, module.name);
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98 if not uploads then return true; end
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99 local sum = does_it_fit or 0;
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100 for _, item in ipairs(uploads) do
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101 sum = sum + item.size;
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102 end
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103 return sum < quota;
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104 end
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105
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106 local function handle_request(origin, stanza, xmlns, filename, filesize, mimetype)
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107 -- local clients only
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108 if origin.type ~= "c2s" then
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109 module:log("debug", "Request for upload slot from a %s", origin.type);
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110 origin.send(st.error_reply(stanza, "cancel", "not-authorized"));
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111 return true;
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112 end
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113 -- validate
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114 if not filename or filename:find("/") then
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parents: 2193
diff changeset
115 module:log("debug", "Filename %q not allowed", filename or "");
1850
e3a0ebe671cc mod_http_upload: Include failure reason in error response
Kim Alvefur <zash@zash.se>
parents: 1849
diff changeset
116 origin.send(st.error_reply(stanza, "modify", "bad-request", "Invalid filename"));
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
117 return true;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
118 end
2677
6daaa1ad2559 mod_http_upload: Add option for expiry of files after a configurable time (closes #557)
Kim Alvefur <zash@zash.se>
parents: 2667
diff changeset
119 expire(origin.username, origin.host);
1851
03c5639882a7 mod_http_upload: Add support for a file size limit
Kim Alvefur <zash@zash.se>
parents: 1850
diff changeset
120 if not filesize then
2207
c45ad4b7aaa3 mod_http_upload: Add additional debug logging
Kim Alvefur <zash@zash.se>
parents: 2193
diff changeset
121 module:log("debug", "Missing file size");
1851
03c5639882a7 mod_http_upload: Add support for a file size limit
Kim Alvefur <zash@zash.se>
parents: 1850
diff changeset
122 origin.send(st.error_reply(stanza, "modify", "bad-request", "Missing or invalid file size"));
03c5639882a7 mod_http_upload: Add support for a file size limit
Kim Alvefur <zash@zash.se>
parents: 1850
diff changeset
123 return true;
03c5639882a7 mod_http_upload: Add support for a file size limit
Kim Alvefur <zash@zash.se>
parents: 1850
diff changeset
124 elseif filesize > file_size_limit then
2208
e654d6e1fb50 mod_http_upload: Log if file size exceeds limit
Kim Alvefur <zash@zash.se>
parents: 2207
diff changeset
125 module:log("debug", "File too large (%d > %d)", filesize, file_size_limit);
2445
e822900c87d4 mod_http_upload: Correctly attach extended error information
Kim Alvefur <zash@zash.se>
parents: 2444
diff changeset
126 origin.send(st.error_reply(stanza, "modify", "not-acceptable", "File too large")
2641
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
127 :tag("file-too-large", {xmlns=xmlns})
2445
e822900c87d4 mod_http_upload: Correctly attach extended error information
Kim Alvefur <zash@zash.se>
parents: 2444
diff changeset
128 :tag("max-file-size"):text(tostring(file_size_limit)));
1851
03c5639882a7 mod_http_upload: Add support for a file size limit
Kim Alvefur <zash@zash.se>
parents: 1850
diff changeset
129 return true;
2678
2dec7cad9218 mod_http_upload: Implement quota support (closes #823)
Kim Alvefur <zash@zash.se>
parents: 2677
diff changeset
130 elseif not check_quota(origin.username, origin.host, filesize) then
2dec7cad9218 mod_http_upload: Implement quota support (closes #823)
Kim Alvefur <zash@zash.se>
parents: 2677
diff changeset
131 module:log("debug", "Upload of %dB by %s would exceed quota", filesize, origin.full_jid);
2dec7cad9218 mod_http_upload: Implement quota support (closes #823)
Kim Alvefur <zash@zash.se>
parents: 2677
diff changeset
132 origin.send(st.error_reply(stanza, "wait", "resource-constraint", "Quota reached"));
2dec7cad9218 mod_http_upload: Implement quota support (closes #823)
Kim Alvefur <zash@zash.se>
parents: 2677
diff changeset
133 return true;
1851
03c5639882a7 mod_http_upload: Add support for a file size limit
Kim Alvefur <zash@zash.se>
parents: 1850
diff changeset
134 end
2680
96bf67f1f960 mod_http_upload: Validate that file extension (used by mod_http_files) matches mime type given by client
Kim Alvefur <zash@zash.se>
parents: 2678
diff changeset
135
96bf67f1f960 mod_http_upload: Validate that file extension (used by mod_http_files) matches mime type given by client
Kim Alvefur <zash@zash.se>
parents: 2678
diff changeset
136 if mime_map then
96bf67f1f960 mod_http_upload: Validate that file extension (used by mod_http_files) matches mime type given by client
Kim Alvefur <zash@zash.se>
parents: 2678
diff changeset
137 local file_ext = filename:match("%.([^.]+)$");
96bf67f1f960 mod_http_upload: Validate that file extension (used by mod_http_files) matches mime type given by client
Kim Alvefur <zash@zash.se>
parents: 2678
diff changeset
138 if (not file_ext and mimetype ~= "application/octet-stream") or (file_ext and mime_map[file_ext] ~= mimetype) then
96bf67f1f960 mod_http_upload: Validate that file extension (used by mod_http_files) matches mime type given by client
Kim Alvefur <zash@zash.se>
parents: 2678
diff changeset
139 origin.send(st.error_reply(stanza, "modify", "bad-request", "MIME type does not match file extension"));
96bf67f1f960 mod_http_upload: Validate that file extension (used by mod_http_files) matches mime type given by client
Kim Alvefur <zash@zash.se>
parents: 2678
diff changeset
140 return true;
96bf67f1f960 mod_http_upload: Validate that file extension (used by mod_http_files) matches mime type given by client
Kim Alvefur <zash@zash.se>
parents: 2678
diff changeset
141 end
96bf67f1f960 mod_http_upload: Validate that file extension (used by mod_http_files) matches mime type given by client
Kim Alvefur <zash@zash.se>
parents: 2678
diff changeset
142 end
96bf67f1f960 mod_http_upload: Validate that file extension (used by mod_http_files) matches mime type given by client
Kim Alvefur <zash@zash.se>
parents: 2678
diff changeset
143
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
144 local reply = st.reply(stanza);
2641
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
145 reply:tag("slot", { xmlns = xmlns });
2468
3bff2848af12 mod_http_upload: Create random directory name when assigning slot
Kim Alvefur <zash@zash.se>
parents: 2467
diff changeset
146
2649
abea818eed7b mod_http_upload: Rename variable to avoid name clash
Kim Alvefur <zash@zash.se>
parents: 2648
diff changeset
147 local random_dir;
abea818eed7b mod_http_upload: Rename variable to avoid name clash
Kim Alvefur <zash@zash.se>
parents: 2648
diff changeset
148 repeat random_dir = uuid();
abea818eed7b mod_http_upload: Rename variable to avoid name clash
Kim Alvefur <zash@zash.se>
parents: 2648
diff changeset
149 until lfs.mkdir(join_path(storage_path, random_dir))
2650
fef067b57305 mod_http_upload: Fix typo in variable name
Kim Alvefur <zash@zash.se>
parents: 2649
diff changeset
150 or not lfs.attributes(join_path(storage_path, random_dir, filename))
2468
3bff2848af12 mod_http_upload: Create random directory name when assigning slot
Kim Alvefur <zash@zash.se>
parents: 2467
diff changeset
151
2648
4c92e2e897c8 mod_http_upload: Split some long lines [luacheck]
Kim Alvefur <zash@zash.se>
parents: 2647
diff changeset
152 datamanager.list_append(origin.username, origin.host, module.name, {
2649
abea818eed7b mod_http_upload: Rename variable to avoid name clash
Kim Alvefur <zash@zash.se>
parents: 2648
diff changeset
153 filename = join_path(storage_path, random_dir, filename), size = filesize, time = os.time() });
abea818eed7b mod_http_upload: Rename variable to avoid name clash
Kim Alvefur <zash@zash.se>
parents: 2648
diff changeset
154 local slot = random_dir.."/"..filename;
2489
9d154c929319 mod_http_upload: Log the directory and filename joined
Kim Alvefur <zash@zash.se>
parents: 2479
diff changeset
155 pending_slots[slot] = origin.full_jid;
2286
0a3f526779a1 mod_http_upload: Construct the upload slot URL using the LuaSocket URL library (fixes #717)
Kim Alvefur <zash@zash.se>
parents: 2285
diff changeset
156 local base_url = module:http_url();
0a3f526779a1 mod_http_upload: Construct the upload slot URL using the LuaSocket URL library (fixes #717)
Kim Alvefur <zash@zash.se>
parents: 2285
diff changeset
157 local slot_url = url.parse(base_url);
2288
827f01cbf6ba mod_http_upload: Handle case of non-existant path
Kim Alvefur <zash@zash.se>
parents: 2287
diff changeset
158 slot_url.path = url.parse_path(slot_url.path or "/");
2649
abea818eed7b mod_http_upload: Rename variable to avoid name clash
Kim Alvefur <zash@zash.se>
parents: 2648
diff changeset
159 t_insert(slot_url.path, random_dir);
2286
0a3f526779a1 mod_http_upload: Construct the upload slot URL using the LuaSocket URL library (fixes #717)
Kim Alvefur <zash@zash.se>
parents: 2285
diff changeset
160 t_insert(slot_url.path, filename);
0a3f526779a1 mod_http_upload: Construct the upload slot URL using the LuaSocket URL library (fixes #717)
Kim Alvefur <zash@zash.se>
parents: 2285
diff changeset
161 slot_url.path.is_directory = false;
0a3f526779a1 mod_http_upload: Construct the upload slot URL using the LuaSocket URL library (fixes #717)
Kim Alvefur <zash@zash.se>
parents: 2285
diff changeset
162 slot_url.path = url.build_path(slot_url.path);
0a3f526779a1 mod_http_upload: Construct the upload slot URL using the LuaSocket URL library (fixes #717)
Kim Alvefur <zash@zash.se>
parents: 2285
diff changeset
163 slot_url = url.build(slot_url);
0a3f526779a1 mod_http_upload: Construct the upload slot URL using the LuaSocket URL library (fixes #717)
Kim Alvefur <zash@zash.se>
parents: 2285
diff changeset
164 reply:tag("get"):text(slot_url):up();
0a3f526779a1 mod_http_upload: Construct the upload slot URL using the LuaSocket URL library (fixes #717)
Kim Alvefur <zash@zash.se>
parents: 2285
diff changeset
165 reply:tag("put"):text(slot_url):up();
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
166 origin.send(reply);
2489
9d154c929319 mod_http_upload: Log the directory and filename joined
Kim Alvefur <zash@zash.se>
parents: 2479
diff changeset
167 origin.log("debug", "Given upload slot %q", slot);
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
168 return true;
2641
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
169 end
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
170
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
171 -- hooks
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
172 module:hook("iq/host/"..namespace..":request", function (event)
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
173 local stanza, origin = event.stanza, event.origin;
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
174 local request = stanza.tags[1];
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
175 local filename = request.attr.filename;
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
176 local filesize = tonumber(request.attr.size);
2680
96bf67f1f960 mod_http_upload: Validate that file extension (used by mod_http_files) matches mime type given by client
Kim Alvefur <zash@zash.se>
parents: 2678
diff changeset
177 local mimetype = request.attr["content-type"];
96bf67f1f960 mod_http_upload: Validate that file extension (used by mod_http_files) matches mime type given by client
Kim Alvefur <zash@zash.se>
parents: 2678
diff changeset
178 return handle_request(origin, stanza, namespace, filename, filesize, mimetype);
2641
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
179 end);
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
180
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
181 module:hook("iq/host/"..legacy_namespace..":request", function (event)
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
182 local stanza, origin = event.stanza, event.origin;
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
183 local request = stanza.tags[1];
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
184 local filename = request:get_child_text("filename");
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
185 local filesize = tonumber(request:get_child_text("size"));
2680
96bf67f1f960 mod_http_upload: Validate that file extension (used by mod_http_files) matches mime type given by client
Kim Alvefur <zash@zash.se>
parents: 2678
diff changeset
186 local mimetype = request:get_child_text("content-type");
96bf67f1f960 mod_http_upload: Validate that file extension (used by mod_http_files) matches mime type given by client
Kim Alvefur <zash@zash.se>
parents: 2678
diff changeset
187 return handle_request(origin, stanza, legacy_namespace, filename, filesize, mimetype);
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
188 end);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
189
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
190 -- http service
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
191 local function upload_data(event, path)
2467
290fef768a81 mod_http_upload: Forget upload slot under some error conditions
Kim Alvefur <zash@zash.se>
parents: 2445
diff changeset
192 local uploader = pending_slots[path];
290fef768a81 mod_http_upload: Forget upload slot under some error conditions
Kim Alvefur <zash@zash.se>
parents: 2445
diff changeset
193 if not uploader then
2191
e47046abf568 mod_http_upload: Add more logging
Kim Alvefur <zash@zash.se>
parents: 2066
diff changeset
194 module:log("warn", "Attempt to upload to unknown slot %q", path);
2193
40824a38d505 mod_http_upload: Return nil if no upload slot is found (should prevent conflicts between multiple instances on the same path)
Kim Alvefur <zash@zash.se>
parents: 2192
diff changeset
195 return; -- 404
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
196 end
2649
abea818eed7b mod_http_upload: Rename variable to avoid name clash
Kim Alvefur <zash@zash.se>
parents: 2648
diff changeset
197 local random_dir, filename = path:match("^([^/]+)/([^/]+)$");
abea818eed7b mod_http_upload: Rename variable to avoid name clash
Kim Alvefur <zash@zash.se>
parents: 2648
diff changeset
198 if not random_dir then
2207
c45ad4b7aaa3 mod_http_upload: Add additional debug logging
Kim Alvefur <zash@zash.se>
parents: 2193
diff changeset
199 module:log("warn", "Invalid file path %q", path);
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
200 return 400;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
201 end
1851
03c5639882a7 mod_http_upload: Add support for a file size limit
Kim Alvefur <zash@zash.se>
parents: 1850
diff changeset
202 if #event.request.body > file_size_limit then
2192
bb8f7785aed7 mod_http_upload: Demote some errors to warnings
Kim Alvefur <zash@zash.se>
parents: 2191
diff changeset
203 module:log("warn", "Uploaded file too large %d bytes", #event.request.body);
1851
03c5639882a7 mod_http_upload: Add support for a file size limit
Kim Alvefur <zash@zash.se>
parents: 1850
diff changeset
204 return 400;
03c5639882a7 mod_http_upload: Add support for a file size limit
Kim Alvefur <zash@zash.se>
parents: 1850
diff changeset
205 end
2467
290fef768a81 mod_http_upload: Forget upload slot under some error conditions
Kim Alvefur <zash@zash.se>
parents: 2445
diff changeset
206 pending_slots[path] = nil;
2649
abea818eed7b mod_http_upload: Rename variable to avoid name clash
Kim Alvefur <zash@zash.se>
parents: 2648
diff changeset
207 local full_filename = join_path(storage_path, random_dir, filename);
2469
43f7637f0143 mod_http_upload: Make sure that target file does not exist prior to upload
Kim Alvefur <zash@zash.se>
parents: 2468
diff changeset
208 if lfs.attributes(full_filename) then
43f7637f0143 mod_http_upload: Make sure that target file does not exist prior to upload
Kim Alvefur <zash@zash.se>
parents: 2468
diff changeset
209 module:log("warn", "File %s exists already, not replacing it", full_filename);
43f7637f0143 mod_http_upload: Make sure that target file does not exist prior to upload
Kim Alvefur <zash@zash.se>
parents: 2468
diff changeset
210 return 409;
43f7637f0143 mod_http_upload: Make sure that target file does not exist prior to upload
Kim Alvefur <zash@zash.se>
parents: 2468
diff changeset
211 end
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
212 local fh, ferr = io.open(full_filename, "w");
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
213 if not fh then
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
214 module:log("error", "Could not open file %s for upload: %s", full_filename, ferr);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
215 return 500;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
216 end
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
217 local ok, err = fh:write(event.request.body);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
218 if not ok then
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
219 module:log("error", "Could not write to file %s for upload: %s", full_filename, err);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
220 os.remove(full_filename);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
221 return 500;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
222 end
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
223 ok, err = fh:close();
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
224 if not ok then
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
225 module:log("error", "Could not write to file %s for upload: %s", full_filename, err);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
226 os.remove(full_filename);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
227 return 500;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
228 end
2649
abea818eed7b mod_http_upload: Rename variable to avoid name clash
Kim Alvefur <zash@zash.se>
parents: 2648
diff changeset
229 module:log("info", "File uploaded by %s to slot %s", uploader, random_dir);
2607
a7ef9b765891 mod_http_upload: Return 201 on successful PUT (as per XEP-0363 and RFC 2616) (Thanks Flow)
Matthew Wild <mwild1@gmail.com>
parents: 2489
diff changeset
230 return 201;
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
231 end
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
232
1912
24c22cbb86e4 mod_http_upload: Duplicate code from net.http.server in order send proper HEAD responses
Kim Alvefur <zash@zash.se>
parents: 1906
diff changeset
233 -- FIXME Duplicated from net.http.server
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parents: 1906
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234
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235 local codes = require "net.http.codes";
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236 local headerfix = setmetatable({}, {
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237 __index = function(t, k)
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238 local v = "\r\n"..k:gsub("_", "-"):gsub("%f[%w].", s_upper)..": ";
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239 t[k] = v;
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240 return v;
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parents: 1906
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241 end
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242 });
1772
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parents:
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243
1912
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parents: 1906
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244 local function send_response_sans_body(response, body)
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parents: 1906
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245 if response.finished then return; end
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246 response.finished = true;
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parents: 1906
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247 response.conn._http_open_response = nil;
2065
624e3fed6f92 mod_http_upload: Trim trailing whitespace
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parents: 2053
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248
1912
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parents: 1906
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249 local status_line = "HTTP/"..response.request.httpversion.." "..(response.status or codes[response.status_code]);
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parents: 1906
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250 local headers = response.headers;
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parents: 1906
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251 body = body or response.body or "";
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parents: 1906
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252 headers.content_length = #body;
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253
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parents: 1906
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254 local output = { status_line };
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parents: 1906
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255 for k,v in pairs(headers) do
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parents: 1906
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256 t_insert(output, headerfix[k]..v);
1905
43fac0c2c772 mod_http_upload: Fix HEAD requests
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parents: 1874
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257 end
1912
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parents: 1906
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258 t_insert(output, "\r\n\r\n");
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parents: 1906
diff changeset
259 -- Here we *don't* add the body to the output
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260
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parents: 1906
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261 response.conn:write(t_concat(output));
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parents: 1906
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262 if response.on_destroy then
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parents: 1906
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263 response:on_destroy();
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parents: 1906
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264 response.on_destroy = nil;
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parents: 1906
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265 end
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parents: 1906
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266 if response.persistent then
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parents: 1906
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267 response:finish_cb();
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parents: 1906
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268 else
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parents: 1906
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269 response.conn:close();
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parents: 1906
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270 end
1772
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parents:
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271 end
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parents:
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272
2680
96bf67f1f960 mod_http_upload: Validate that file extension (used by mod_http_files) matches mime type given by client
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parents: 2678
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273 local serve_uploaded_files = http_files.serve(storage_path);
1912
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parents: 1906
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274
1772
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parents:
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275 local function serve_head(event, path)
1912
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parents: 1906
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276 event.response.send = send_response_sans_body;
1772
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parents:
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277 return serve_uploaded_files(event, path);
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parents:
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278 end
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parents:
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279
1942
ff95d983940c mod_http_upload: Say Hello to anyone opening the "bare" HTTP URL (helpful to show that module is loaded correctly)
Kim Alvefur <zash@zash.se>
parents: 1914
diff changeset
280 local function serve_hello(event)
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parents: 1914
diff changeset
281 event.response.headers.content_type = "text/html;charset=utf-8"
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parents: 1914
diff changeset
282 return "<!DOCTYPE html>\n<h1>Hello from mod_"..module.name.."!</h1>\n";
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parents: 1914
diff changeset
283 end
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parents: 1914
diff changeset
284
1772
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parents:
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285 module:provides("http", {
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parents:
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286 route = {
1942
ff95d983940c mod_http_upload: Say Hello to anyone opening the "bare" HTTP URL (helpful to show that module is loaded correctly)
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parents: 1914
diff changeset
287 ["GET"] = serve_hello;
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parents: 1914
diff changeset
288 ["GET /"] = serve_hello;
1772
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parents:
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289 ["GET /*"] = serve_uploaded_files;
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parents:
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290 ["HEAD /*"] = serve_head;
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parents:
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291 ["PUT /*"] = upload_data;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
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parents:
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292 };
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
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parents:
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293 });
1849
5244c9b0b297 mod_http_upload: Log a message with the upload URL and storage path for easy discovery
Kim Alvefur <zash@zash.se>
parents: 1848
diff changeset
294
5244c9b0b297 mod_http_upload: Log a message with the upload URL and storage path for easy discovery
Kim Alvefur <zash@zash.se>
parents: 1848
diff changeset
295 module:log("info", "URL: <%s>; Storage path: %s", module:http_url(), storage_path);