Mercurial > prosody-modules

annotate mod_http_upload/mod_http_upload.lua @ 2712:d89ab70808f6

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mod_cloud_notify: fix bug when multiple resources are used This bug was triggered under the rare circumstances that a message arrived and one resource was smacks hibernated while the other one(s) were offline. Then only the hibernated resource but not the offline one(s) (or the other way round) got notified.
author tmolitor <thilo@eightysoft.de>
date Mon, 08 May 2017 18:24:29 +0200
parents 785465f8af3d
children d48faff92490
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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diff changeset
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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parents: 2285
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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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parents: 1906
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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 local allowed_file_types = module:get_option_set(module.name .. "_allowed_file_types");
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35
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36 --- sanity
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37 local parser_body_limit = module:context("*"):get_option_number("http_max_content_size", 10*1024*1024);
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38 if file_size_limit > parser_body_limit then
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39 module:log("warn", "%s_file_size_limit exceeds HTTP parser limit on body size, capping file size to %d B",
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40 module.name, parser_body_limit);
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41 file_size_limit = parser_body_limit;
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42 end
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43
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44 -- depends
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45 module:depends("http");
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46 module:depends("disco");
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47
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48 local http_files = module:depends("http_files");
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49 local mime_map = module:shared("/*/http_files/mime").types;
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50
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51 -- namespaces
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52 local namespace = "urn:xmpp:http:upload:0";
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53 local legacy_namespace = "urn:xmpp:http:upload";
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54
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55 -- identity and feature advertising
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56 module:add_identity("store", "file", module:get_option_string("name", "HTTP File Upload"));
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57 module:add_feature(namespace);
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58 module:add_feature(legacy_namespace);
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59
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60 module:add_extension(dataform {
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61 { name = "FORM_TYPE", type = "hidden", value = namespace },
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62 { name = "max-file-size", type = "text-single" },
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63 }:form({ ["max-file-size"] = tostring(file_size_limit) }, "result"));
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64
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65 module:add_extension(dataform {
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66 { name = "FORM_TYPE", type = "hidden", value = legacy_namespace },
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67 { name = "max-file-size", type = "text-single" },
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68 }:form({ ["max-file-size"] = tostring(file_size_limit) }, "result"));
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69
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70 -- state
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71 local pending_slots = module:shared("upload_slots");
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72
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73 local storage_path = module:get_option_string(module.name .. "_path", join_path(prosody.paths.data, module.name));
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74 lfs.mkdir(storage_path);
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75
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76 local function expire(username, host)
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77 if not max_age then return true; end
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78 local uploads, err = datamanager.list_load(username, host, module.name);
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79 if not uploads then return true; end
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80 uploads = array(uploads);
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81 local expiry = os.time() - max_age;
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82 local upload_window = os.time() - 900;
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83 uploads:filter(function (item)
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84 local filename = item.filename;
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85 if item.dir then
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86 filename = join_path(storage_path, item.dir, item.filename);
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87 end
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88 if item.time < expiry then
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89 local deleted, whynot = os.remove(filename);
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90 if not deleted then
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91 module:log("warn", "Could not delete expired upload %s: %s", filename, whynot or "delete failed");
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92 end
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93 return false;
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94 elseif item.time < upload_window and not lfs.attributes(filename) then
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95 return false; -- File was not uploaded or has been deleted since
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96 end
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97 return true;
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98 end);
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99 return datamanager.list_store(username, host, module.name, uploads);
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100 end
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101
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102 local function check_quota(username, host, does_it_fit)
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103 if not quota then return true; end
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104 local uploads, err = datamanager.list_load(username, host, module.name);
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105 if not uploads then return true; end
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106 local sum = does_it_fit or 0;
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107 for _, item in ipairs(uploads) do
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108 sum = sum + item.size;
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109 end
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110 return sum < quota;
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111 end
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112
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113 local function handle_request(origin, stanza, xmlns, filename, filesize, mimetype)
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114 local username, host = origin.username, origin.host;
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
115 -- local clients only
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
116 if origin.type ~= "c2s" then
2207
c45ad4b7aaa3 mod_http_upload: Add additional debug logging
Kim Alvefur <zash@zash.se>
parents: 2193
diff changeset
117 module:log("debug", "Request for upload slot from a %s", origin.type);
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
118 origin.send(st.error_reply(stanza, "cancel", "not-authorized"));
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
119 return true;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
120 end
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
121 -- validate
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
122 if not filename or filename:find("/") then
2207
c45ad4b7aaa3 mod_http_upload: Add additional debug logging
Kim Alvefur <zash@zash.se>
parents: 2193
diff changeset
123 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
124 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
125 return true;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
126 end
2689
0fc706855af9 mod_http_upload: Keep user- and hostname in locals
Kim Alvefur <zash@zash.se>
parents: 2688
diff changeset
127 expire(username, host);
1851
03c5639882a7 mod_http_upload: Add support for a file size limit
Kim Alvefur <zash@zash.se>
parents: 1850
diff changeset
128 if not filesize then
2207
c45ad4b7aaa3 mod_http_upload: Add additional debug logging
Kim Alvefur <zash@zash.se>
parents: 2193
diff changeset
129 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
130 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
131 return true;
03c5639882a7 mod_http_upload: Add support for a file size limit
Kim Alvefur <zash@zash.se>
parents: 1850
diff changeset
132 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
133 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
134 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
135 :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
136 :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
137 return true;
2689
0fc706855af9 mod_http_upload: Keep user- and hostname in locals
Kim Alvefur <zash@zash.se>
parents: 2688
diff changeset
138 elseif not check_quota(username, host, filesize) then
2678
2dec7cad9218 mod_http_upload: Implement quota support (closes #823)
Kim Alvefur <zash@zash.se>
parents: 2677
diff changeset
139 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
140 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
141 return true;
1851
03c5639882a7 mod_http_upload: Add support for a file size limit
Kim Alvefur <zash@zash.se>
parents: 1850
diff changeset
142 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
143
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
144 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
145 local file_ext = filename:match("%.([^.]+)$");
2692
785465f8af3d mod_http_upload: Guess mime type from file extension if not provided by client (mime-type is OPTIONAL)
Kim Alvefur <zash@zash.se>
parents: 2691
diff changeset
146 if not mimetype then
785465f8af3d mod_http_upload: Guess mime type from file extension if not provided by client (mime-type is OPTIONAL)
Kim Alvefur <zash@zash.se>
parents: 2691
diff changeset
147 mimetype = "application/octet-stream";
785465f8af3d mod_http_upload: Guess mime type from file extension if not provided by client (mime-type is OPTIONAL)
Kim Alvefur <zash@zash.se>
parents: 2691
diff changeset
148 if file_ext then
785465f8af3d mod_http_upload: Guess mime type from file extension if not provided by client (mime-type is OPTIONAL)
Kim Alvefur <zash@zash.se>
parents: 2691
diff changeset
149 mimetype = mime_map[file_ext] or mimetype;
785465f8af3d mod_http_upload: Guess mime type from file extension if not provided by client (mime-type is OPTIONAL)
Kim Alvefur <zash@zash.se>
parents: 2691
diff changeset
150 end
785465f8af3d mod_http_upload: Guess mime type from file extension if not provided by client (mime-type is OPTIONAL)
Kim Alvefur <zash@zash.se>
parents: 2691
diff changeset
151 else
785465f8af3d mod_http_upload: Guess mime type from file extension if not provided by client (mime-type is OPTIONAL)
Kim Alvefur <zash@zash.se>
parents: 2691
diff changeset
152 if (not file_ext and mimetype ~= "application/octet-stream") or (file_ext and mime_map[file_ext] ~= mimetype) then
785465f8af3d mod_http_upload: Guess mime type from file extension if not provided by client (mime-type is OPTIONAL)
Kim Alvefur <zash@zash.se>
parents: 2691
diff changeset
153 origin.send(st.error_reply(stanza, "modify", "bad-request", "MIME type does not match file extension"));
785465f8af3d mod_http_upload: Guess mime type from file extension if not provided by client (mime-type is OPTIONAL)
Kim Alvefur <zash@zash.se>
parents: 2691
diff changeset
154 return true;
785465f8af3d mod_http_upload: Guess mime type from file extension if not provided by client (mime-type is OPTIONAL)
Kim Alvefur <zash@zash.se>
parents: 2691
diff changeset
155 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
156 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
157 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
158
2683
d0948bd96a7b mod_http_upload: Add support for limiting file types to upload
Kim Alvefur <zash@zash.se>
parents: 2682
diff changeset
159 if allowed_file_types then
d0948bd96a7b mod_http_upload: Add support for limiting file types to upload
Kim Alvefur <zash@zash.se>
parents: 2682
diff changeset
160 if not (allowed_file_types:contains(mimetype) or allowed_file_types:contains(mimetype:gsub("/.*", "/*"))) then
d0948bd96a7b mod_http_upload: Add support for limiting file types to upload
Kim Alvefur <zash@zash.se>
parents: 2682
diff changeset
161 origin.send(st.error_reply(stanza, "cancel", "not-allowed", "File type not allowed"));
d0948bd96a7b mod_http_upload: Add support for limiting file types to upload
Kim Alvefur <zash@zash.se>
parents: 2682
diff changeset
162 return true;
d0948bd96a7b mod_http_upload: Add support for limiting file types to upload
Kim Alvefur <zash@zash.se>
parents: 2682
diff changeset
163 end
d0948bd96a7b mod_http_upload: Add support for limiting file types to upload
Kim Alvefur <zash@zash.se>
parents: 2682
diff changeset
164 end
d0948bd96a7b mod_http_upload: Add support for limiting file types to upload
Kim Alvefur <zash@zash.se>
parents: 2682
diff changeset
165
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
166 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
167 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
168
2649
abea818eed7b mod_http_upload: Rename variable to avoid name clash
Kim Alvefur <zash@zash.se>
parents: 2648
diff changeset
169 local random_dir;
abea818eed7b mod_http_upload: Rename variable to avoid name clash
Kim Alvefur <zash@zash.se>
parents: 2648
diff changeset
170 repeat random_dir = uuid();
abea818eed7b mod_http_upload: Rename variable to avoid name clash
Kim Alvefur <zash@zash.se>
parents: 2648
diff changeset
171 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
172 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
173
2690
43ad92c5b91a mod_http_upload: Return an error if unable to store slot info
Kim Alvefur <zash@zash.se>
parents: 2689
diff changeset
174 local ok = datamanager.list_append(username, host, module.name, {
2691
92ddfc548ce8 mod_http_upload: Store filename and directory separately
Kim Alvefur <zash@zash.se>
parents: 2690
diff changeset
175 filename = filename, dir = random_dir, size = filesize, time = os.time() });
92ddfc548ce8 mod_http_upload: Store filename and directory separately
Kim Alvefur <zash@zash.se>
parents: 2690
diff changeset
176
2690
43ad92c5b91a mod_http_upload: Return an error if unable to store slot info
Kim Alvefur <zash@zash.se>
parents: 2689
diff changeset
177 if not ok then
43ad92c5b91a mod_http_upload: Return an error if unable to store slot info
Kim Alvefur <zash@zash.se>
parents: 2689
diff changeset
178 origin.send(st.error_reply(stanza, "wait", "internal-server-failure"));
43ad92c5b91a mod_http_upload: Return an error if unable to store slot info
Kim Alvefur <zash@zash.se>
parents: 2689
diff changeset
179 return true;
43ad92c5b91a mod_http_upload: Return an error if unable to store slot info
Kim Alvefur <zash@zash.se>
parents: 2689
diff changeset
180 end
43ad92c5b91a mod_http_upload: Return an error if unable to store slot info
Kim Alvefur <zash@zash.se>
parents: 2689
diff changeset
181
2649
abea818eed7b mod_http_upload: Rename variable to avoid name clash
Kim Alvefur <zash@zash.se>
parents: 2648
diff changeset
182 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
183 pending_slots[slot] = origin.full_jid;
2682
3fd50495c89d mod_http_upload: Clear unused slots after 15 minutes
Kim Alvefur <zash@zash.se>
parents: 2681
diff changeset
184
3fd50495c89d mod_http_upload: Clear unused slots after 15 minutes
Kim Alvefur <zash@zash.se>
parents: 2681
diff changeset
185 module:add_timer(900, function()
3fd50495c89d mod_http_upload: Clear unused slots after 15 minutes
Kim Alvefur <zash@zash.se>
parents: 2681
diff changeset
186 pending_slots[slot] = nil;
3fd50495c89d mod_http_upload: Clear unused slots after 15 minutes
Kim Alvefur <zash@zash.se>
parents: 2681
diff changeset
187 end);
3fd50495c89d mod_http_upload: Clear unused slots after 15 minutes
Kim Alvefur <zash@zash.se>
parents: 2681
diff changeset
188
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
189 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
190 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
191 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
192 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
193 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
194 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
195 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
196 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
197 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
198 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
199 origin.send(reply);
2489
9d154c929319 mod_http_upload: Log the directory and filename joined
Kim Alvefur <zash@zash.se>
parents: 2479
diff changeset
200 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
201 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
202 end
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
203
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
204 -- hooks
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
205 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
206 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
207 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
208 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
209 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
210 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
211 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
212 end);
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
213
2d83e6c8160b mod_http_upload: add support for XEP-0363 version 0.3
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 2607
diff changeset
214 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
215 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
216 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
217 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
218 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
219 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
220 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
221 end);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
222
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
223 -- http service
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
224 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
225 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
226 if not uploader then
2191
e47046abf568 mod_http_upload: Add more logging
Kim Alvefur <zash@zash.se>
parents: 2066
diff changeset
227 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
228 return; -- 404
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
229 end
2649
abea818eed7b mod_http_upload: Rename variable to avoid name clash
Kim Alvefur <zash@zash.se>
parents: 2648
diff changeset
230 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
231 if not random_dir then
2207
c45ad4b7aaa3 mod_http_upload: Add additional debug logging
Kim Alvefur <zash@zash.se>
parents: 2193
diff changeset
232 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
233 return 400;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
234 end
1851
03c5639882a7 mod_http_upload: Add support for a file size limit
Kim Alvefur <zash@zash.se>
parents: 1850
diff changeset
235 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
236 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
237 return 400;
03c5639882a7 mod_http_upload: Add support for a file size limit
Kim Alvefur <zash@zash.se>
parents: 1850
diff changeset
238 end
2467
290fef768a81 mod_http_upload: Forget upload slot under some error conditions
Kim Alvefur <zash@zash.se>
parents: 2445
diff changeset
239 pending_slots[path] = nil;
2649
abea818eed7b mod_http_upload: Rename variable to avoid name clash
Kim Alvefur <zash@zash.se>
parents: 2648
diff changeset
240 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
241 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
242 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
243 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
244 end
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
245 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
246 if not fh then
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
247 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
248 return 500;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
249 end
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
250 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
251 if not ok then
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
252 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
253 os.remove(full_filename);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
254 return 500;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
255 end
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
256 ok, err = fh:close();
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
257 if not ok then
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
258 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
259 os.remove(full_filename);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
260 return 500;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
261 end
2649
abea818eed7b mod_http_upload: Rename variable to avoid name clash
Kim Alvefur <zash@zash.se>
parents: 2648
diff changeset
262 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
263 return 201;
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
264 end
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
265
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
266 -- FIXME Duplicated from net.http.server
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
267
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
268 local codes = require "net.http.codes";
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
269 local headerfix = setmetatable({}, {
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
270 __index = function(t, k)
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
271 local v = "\r\n"..k:gsub("_", "-"):gsub("%f[%w].", s_upper)..": ";
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
272 t[k] = v;
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
273 return v;
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
274 end
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
275 });
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
276
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
277 local function send_response_sans_body(response, body)
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
278 if response.finished then return; end
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
279 response.finished = true;
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
280 response.conn._http_open_response = nil;
2065
624e3fed6f92 mod_http_upload: Trim trailing whitespace
Kim Alvefur <zash@zash.se>
parents: 2053
diff changeset
281
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
282 local status_line = "HTTP/"..response.request.httpversion.." "..(response.status or codes[response.status_code]);
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
283 local headers = response.headers;
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
284 body = body or response.body or "";
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
285 headers.content_length = #body;
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
286
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
287 local output = { status_line };
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
288 for k,v in pairs(headers) do
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
289 t_insert(output, headerfix[k]..v);
1905
43fac0c2c772 mod_http_upload: Fix HEAD requests
Kim Alvefur <zash@zash.se>
parents: 1874
diff changeset
290 end
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
291 t_insert(output, "\r\n\r\n");
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
292 -- Here we *don't* add the body to the output
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
293
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
294 response.conn:write(t_concat(output));
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
295 if response.on_destroy then
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
296 response:on_destroy();
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
297 response.on_destroy = nil;
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
298 end
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
299 if response.persistent then
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
300 response:finish_cb();
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
301 else
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
302 response.conn:close();
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
303 end
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
304 end
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
305
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
306 local serve_uploaded_files = http_files.serve(storage_path);
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
307
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
308 local function serve_head(event, path)
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
309 event.response.send = send_response_sans_body;
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
310 return serve_uploaded_files(event, path);
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
311 end
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
312
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
313 local function serve_hello(event)
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
314 event.response.headers.content_type = "text/html;charset=utf-8"
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
315 return "<!DOCTYPE html>\n<h1>Hello from mod_"..module.name.."!</h1>\n";
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
316 end
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
317
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
318 module:provides("http", {
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
319 route = {
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
320 ["GET"] = serve_hello;
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
321 ["GET /"] = serve_hello;
1772
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
322 ["GET /*"] = serve_uploaded_files;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
323 ["HEAD /*"] = serve_head;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
324 ["PUT /*"] = upload_data;
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
325 };
45f7e3c2557f mod_http_upload: Implementation of Conversations HTTP upload file transfer mode
Kim Alvefur <zash@zash.se>
parents:
diff changeset
326 });
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
327
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
328 module:log("info", "URL: <%s>; Storage path: %s", module:http_url(), storage_path);