prosody
515a89dee6ae
plugins/mod_http.lua

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plugins/mod_http.lua @ 11866:515a89dee6ae

util.startup: Skip config readability check in migrator (thanks eTaurus) This field is empty for reasons when invoked by prosody-migrator, which threw an error: > bad argument #1 to 'open' (string expected, got nil)
author Kim Alvefur <zash@zash.se>
date Sat, 23 Oct 2021 22:24:59 +0200
parent 11727:f3aee8a825cc
child 12113:86e6f0810956
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2012 Matthew Wild
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3 -- Copyright (C) 2008-2012 Waqas Hussain
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4 --
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9 module:set_global();
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10 pcall(function ()
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11 module:depends("http_errors");
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12 end);
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13
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14 local portmanager = require "core.portmanager";
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15 local moduleapi = require "core.moduleapi";
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16 local url_parse = require "socket.url".parse;
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17 local url_build = require "socket.url".build;
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18 local normalize_path = require "util.http".normalize_path;
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19 local set = require "util.set";
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20
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21 local ip_util = require "util.ip";
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22 local new_ip = ip_util.new_ip;
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23 local match_ip = ip_util.match;
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24 local parse_cidr = ip_util.parse_cidr;
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25
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26 local server = require "net.http.server";
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27
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28 server.set_default_host(module:get_option_string("http_default_host"));
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29
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30 server.set_option("body_size_limit", module:get_option_number("http_max_content_size"));
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31 server.set_option("buffer_size_limit", module:get_option_number("http_max_buffer_size"));
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32
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33 -- CORS settings
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34 local opt_methods = module:get_option_set("access_control_allow_methods", { "GET", "OPTIONS" });
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35 local opt_headers = module:get_option_set("access_control_allow_headers", { "Content-Type" });
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36 local opt_credentials = module:get_option_boolean("access_control_allow_credentials", false);
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37 local opt_max_age = module:get_option_number("access_control_max_age", 2 * 60 * 60);
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38
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39 local function get_http_event(host, app_path, key)
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40 local method, path = key:match("^(%S+)%s+(.+)$");
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41 if not method then -- No path specified, default to "" (base path)
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42 method, path = key, "";
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43 end
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44 if method:sub(1,1) == "/" then
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45 return nil;
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46 end
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47 if app_path == "/" and path:sub(1,1) == "/" then
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48 app_path = "";
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49 end
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50 if host == "*" then
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51 return method:upper().." "..app_path..path;
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52 else
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53 return method:upper().." "..host..app_path..path;
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54 end
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55 end
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56
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57 local function get_base_path(host_module, app_name, default_app_path)
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58 return (normalize_path(host_module:get_option("http_paths", {})[app_name] -- Host
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59 or module:get_option("http_paths", {})[app_name] -- Global
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60 or default_app_path)) -- Default
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61 :gsub("%$(%w+)", { host = host_module.host });
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62 end
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63
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64 local function redir_handler(event)
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65 event.response.headers.location = event.request.path.."/";
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66 if event.request.url.query then
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67 event.response.headers.location = event.response.headers.location .. "?" .. event.request.url.query
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68 end
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69 return 301;
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70 end
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71
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72 local ports_by_scheme = { http = 80, https = 443, };
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73
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74 -- Helper to deduce a module's external URL
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75 function moduleapi.http_url(module, app_name, default_path)
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76 app_name = app_name or (module.name:gsub("^http_", ""));
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77 local external_url = url_parse(module:get_option_string("http_external_url")) or {};
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78 if external_url.scheme and external_url.port == nil then
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79 external_url.port = ports_by_scheme[external_url.scheme];
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80 end
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81 local services = portmanager.get_active_services();
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82 local http_services = services:get("https") or services:get("http") or {};
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83 for interface, ports in pairs(http_services) do -- luacheck: ignore 213/interface
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84 for port, service in pairs(ports) do -- luacheck: ignore 512
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85 local url = {
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86 scheme = (external_url.scheme or service[1].service.name);
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87 host = (external_url.host or module:get_option_string("http_host", module.host));
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88 port = tonumber(external_url.port) or port or 80;
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89 path = normalize_path(external_url.path or "/", true)..
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90 (get_base_path(module, app_name, default_path or "/"..app_name):sub(2));
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91 }
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92 if ports_by_scheme[url.scheme] == url.port then url.port = nil end
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93 return url_build(url);
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94 end
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95 end
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96 if prosody.process_type == "prosody" then
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97 module:log("warn", "No http ports enabled, can't generate an external URL");
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98 end
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99 return "http://disabled.invalid/";
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100 end
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101
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102 local function apply_cors_headers(response, methods, headers, max_age, allow_credentials, origin)
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103 response.headers.access_control_allow_methods = tostring(methods);
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104 response.headers.access_control_allow_headers = tostring(headers);
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105 response.headers.access_control_max_age = tostring(max_age)
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106 response.headers.access_control_allow_origin = origin or "*";
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107 if allow_credentials then
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108 response.headers.access_control_allow_credentials = "true";
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109 end
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110 end
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111
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112 function module.add_host(module)
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113 local host = module.host;
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114 if host ~= "*" then
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115 host = module:get_option_string("http_host", host);
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116 end
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117 local apps = {};
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Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
118 module.environment.apps = apps;
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
119 local function http_app_added(event)
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
120 local app_name = event.item.name;
4667
d0cfc49f3f2b mod_http: Support for default_path in apps
Matthew Wild <mwild1@gmail.com>
parents: 4664
diff changeset
121 local default_app_path = event.item.default_path or "/"..app_name;
4892
6c8074f47ca4 mod_http: Add module:http_url([app_name,][default_path]) for a module to get a guess at its external URL
Matthew Wild <mwild1@gmail.com>
parents: 4774
diff changeset
122 local app_path = get_base_path(module, app_name, default_app_path);
6c8074f47ca4 mod_http: Add module:http_url([app_name,][default_path]) for a module to get a guess at its external URL
Matthew Wild <mwild1@gmail.com>
parents: 4774
diff changeset
123 if not app_name then
4664
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
124 -- TODO: Link to docs
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
125 module:log("error", "HTTP app has no 'name', add one or use module:provides('http', app)");
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
126 return;
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
127 end
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
128 apps[app_name] = apps[app_name] or {};
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
129 local app_handlers = apps[app_name];
9793
9993fd021d19 mod_http: Solve CORS problems once and for all
Kim Alvefur <zash@zash.se>
parents: 9504
diff changeset
130
9797
071538a567d5 mod_http: Determine CORS methods to whitelist from actual methods used
Kim Alvefur <zash@zash.se>
parents: 9796
diff changeset
131 local app_methods = opt_methods;
11397
27a22a1f141c mod_http: Allow modifying CORS header list via :provides API
Kim Alvefur <zash@zash.se>
parents: 11396
diff changeset
132 local app_headers = opt_headers;
11396
f6bb3b193277 mod_http: Allow setting the CORS credentials flag via :provides API
Kim Alvefur <zash@zash.se>
parents: 11387
diff changeset
133 local app_credentials = opt_credentials;
9797
071538a567d5 mod_http: Determine CORS methods to whitelist from actual methods used
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parents: 9796
diff changeset
134
9793
9993fd021d19 mod_http: Solve CORS problems once and for all
Kim Alvefur <zash@zash.se>
parents: 9504
diff changeset
135 local function cors_handler(event_data)
9993fd021d19 mod_http: Solve CORS problems once and for all
Kim Alvefur <zash@zash.se>
parents: 9504
diff changeset
136 local request, response = event_data.request, event_data.response;
11397
27a22a1f141c mod_http: Allow modifying CORS header list via :provides API
Kim Alvefur <zash@zash.se>
parents: 11396
diff changeset
137 apply_cors_headers(response, app_methods, app_headers, opt_max_age, app_credentials, request.headers.origin);
9793
9993fd021d19 mod_http: Solve CORS problems once and for all
Kim Alvefur <zash@zash.se>
parents: 9504
diff changeset
138 end
9993fd021d19 mod_http: Solve CORS problems once and for all
Kim Alvefur <zash@zash.se>
parents: 9504
diff changeset
139
9796
adfb29f44412 mod_http: Set up to handle OPTIONS
Kim Alvefur <zash@zash.se>
parents: 9793
diff changeset
140 local function options_handler(event_data)
adfb29f44412 mod_http: Set up to handle OPTIONS
Kim Alvefur <zash@zash.se>
parents: 9793
diff changeset
141 cors_handler(event_data);
adfb29f44412 mod_http: Set up to handle OPTIONS
Kim Alvefur <zash@zash.se>
parents: 9793
diff changeset
142 return "";
adfb29f44412 mod_http: Set up to handle OPTIONS
Kim Alvefur <zash@zash.se>
parents: 9793
diff changeset
143 end
adfb29f44412 mod_http: Set up to handle OPTIONS
Kim Alvefur <zash@zash.se>
parents: 9793
diff changeset
144
11396
f6bb3b193277 mod_http: Allow setting the CORS credentials flag via :provides API
Kim Alvefur <zash@zash.se>
parents: 11387
diff changeset
145 if event.item.cors then
f6bb3b193277 mod_http: Allow setting the CORS credentials flag via :provides API
Kim Alvefur <zash@zash.se>
parents: 11387
diff changeset
146 local cors = event.item.cors;
f6bb3b193277 mod_http: Allow setting the CORS credentials flag via :provides API
Kim Alvefur <zash@zash.se>
parents: 11387
diff changeset
147 if cors.credentials ~= nil then
f6bb3b193277 mod_http: Allow setting the CORS credentials flag via :provides API
Kim Alvefur <zash@zash.se>
parents: 11387
diff changeset
148 app_credentials = cors.credentials;
f6bb3b193277 mod_http: Allow setting the CORS credentials flag via :provides API
Kim Alvefur <zash@zash.se>
parents: 11387
diff changeset
149 end
11397
27a22a1f141c mod_http: Allow modifying CORS header list via :provides API
Kim Alvefur <zash@zash.se>
parents: 11396
diff changeset
150 if cors.headers then
27a22a1f141c mod_http: Allow modifying CORS header list via :provides API
Kim Alvefur <zash@zash.se>
parents: 11396
diff changeset
151 for header, enable in pairs(cors.headers) do
27a22a1f141c mod_http: Allow modifying CORS header list via :provides API
Kim Alvefur <zash@zash.se>
parents: 11396
diff changeset
152 if enable and not app_headers:contains(header) then
27a22a1f141c mod_http: Allow modifying CORS header list via :provides API
Kim Alvefur <zash@zash.se>
parents: 11396
diff changeset
153 app_headers = app_headers + set.new { header };
27a22a1f141c mod_http: Allow modifying CORS header list via :provides API
Kim Alvefur <zash@zash.se>
parents: 11396
diff changeset
154 elseif not enable and app_headers:contains(header) then
27a22a1f141c mod_http: Allow modifying CORS header list via :provides API
Kim Alvefur <zash@zash.se>
parents: 11396
diff changeset
155 app_headers = app_headers - set.new { header };
27a22a1f141c mod_http: Allow modifying CORS header list via :provides API
Kim Alvefur <zash@zash.se>
parents: 11396
diff changeset
156 end
27a22a1f141c mod_http: Allow modifying CORS header list via :provides API
Kim Alvefur <zash@zash.se>
parents: 11396
diff changeset
157 end
27a22a1f141c mod_http: Allow modifying CORS header list via :provides API
Kim Alvefur <zash@zash.se>
parents: 11396
diff changeset
158 end
11396
f6bb3b193277 mod_http: Allow setting the CORS credentials flag via :provides API
Kim Alvefur <zash@zash.se>
parents: 11387
diff changeset
159 end
f6bb3b193277 mod_http: Allow setting the CORS credentials flag via :provides API
Kim Alvefur <zash@zash.se>
parents: 11387
diff changeset
160
11022
3e5bc34be734 mod_http: Add way to signal that a module supports streaming uploads
Kim Alvefur <zash@zash.se>
parents: 11021
diff changeset
161 local streaming = event.item.streaming_uploads;
3e5bc34be734 mod_http: Add way to signal that a module supports streaming uploads
Kim Alvefur <zash@zash.se>
parents: 11021
diff changeset
162
11399
d5d895313be2 mod_http: Warn if app is missing 'route'
Kim Alvefur <zash@zash.se>
parents: 11397
diff changeset
163 if not event.item.route then
d5d895313be2 mod_http: Warn if app is missing 'route'
Kim Alvefur <zash@zash.se>
parents: 11397
diff changeset
164 -- TODO: Link to docs
11400
19a59cb7311e mod_http: Improve message for missing 'route'
Kim Alvefur <zash@zash.se>
parents: 11399
diff changeset
165 module:log("error", "HTTP app %q provides no 'route', add one to handle HTTP requests", app_name);
11399
d5d895313be2 mod_http: Warn if app is missing 'route'
Kim Alvefur <zash@zash.se>
parents: 11397
diff changeset
166 return;
d5d895313be2 mod_http: Warn if app is missing 'route'
Kim Alvefur <zash@zash.se>
parents: 11397
diff changeset
167 end
d5d895313be2 mod_http: Warn if app is missing 'route'
Kim Alvefur <zash@zash.se>
parents: 11397
diff changeset
168
d5d895313be2 mod_http: Warn if app is missing 'route'
Kim Alvefur <zash@zash.se>
parents: 11397
diff changeset
169 for key, handler in pairs(event.item.route) do
4667
d0cfc49f3f2b mod_http: Support for default_path in apps
Matthew Wild <mwild1@gmail.com>
parents: 4664
diff changeset
170 local event_name = get_http_event(host, app_path, key);
4664
7438b3c68576 mod_http: Revamp module for new API and config
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parents: 4636
diff changeset
171 if event_name then
9797
071538a567d5 mod_http: Determine CORS methods to whitelist from actual methods used
Kim Alvefur <zash@zash.se>
parents: 9796
diff changeset
172 local method = event_name:match("^%S+");
071538a567d5 mod_http: Determine CORS methods to whitelist from actual methods used
Kim Alvefur <zash@zash.se>
parents: 9796
diff changeset
173 if not app_methods:contains(method) then
071538a567d5 mod_http: Determine CORS methods to whitelist from actual methods used
Kim Alvefur <zash@zash.se>
parents: 9796
diff changeset
174 app_methods = app_methods + set.new{ method };
071538a567d5 mod_http: Determine CORS methods to whitelist from actual methods used
Kim Alvefur <zash@zash.se>
parents: 9796
diff changeset
175 end
9796
adfb29f44412 mod_http: Set up to handle OPTIONS
Kim Alvefur <zash@zash.se>
parents: 9793
diff changeset
176 local options_event_name = event_name:gsub("^%S+", "OPTIONS");
4724
a8c234332258 mod_http: Allow a route value to be static data rather than a handler function
Matthew Wild <mwild1@gmail.com>
parents: 4721
diff changeset
177 if type(handler) ~= "function" then
a8c234332258 mod_http: Allow a route value to be static data rather than a handler function
Matthew Wild <mwild1@gmail.com>
parents: 4721
diff changeset
178 local data = handler;
a8c234332258 mod_http: Allow a route value to be static data rather than a handler function
Matthew Wild <mwild1@gmail.com>
parents: 4721
diff changeset
179 handler = function () return data; end
a8c234332258 mod_http: Allow a route value to be static data rather than a handler function
Matthew Wild <mwild1@gmail.com>
parents: 4721
diff changeset
180 elseif event_name:sub(-2, -1) == "/*" then
5230
6f5640375358 mod_http: Fix path length pattern
Kim Alvefur <zash@zash.se>
parents: 5204
diff changeset
181 local base_path_len = #event_name:match("/.+$");
4669
0e0a72679f77 mod_http: Pass portion of path that matched wildcard to wildcard handlers, as a second parameter
Matthew Wild <mwild1@gmail.com>
parents: 4667
diff changeset
182 local _handler = handler;
8972
0b254439d451 mod_http: Rename argument to avoid name clash with outer scope [luacheck]
Kim Alvefur <zash@zash.se>
parents: 8971
diff changeset
183 handler = function (_event)
0b254439d451 mod_http: Rename argument to avoid name clash with outer scope [luacheck]
Kim Alvefur <zash@zash.se>
parents: 8971
diff changeset
184 local path = _event.request.path:sub(base_path_len);
0b254439d451 mod_http: Rename argument to avoid name clash with outer scope [luacheck]
Kim Alvefur <zash@zash.se>
parents: 8971
diff changeset
185 return _handler(_event, path);
4669
0e0a72679f77 mod_http: Pass portion of path that matched wildcard to wildcard handlers, as a second parameter
Matthew Wild <mwild1@gmail.com>
parents: 4667
diff changeset
186 end;
6504
e1659f32852e mod_http: For URLs that end with / or wildcard handlers, add a low-priority redirect from without to with slash
Kim Alvefur <zash@zash.se>
parents: 6086
diff changeset
187 module:hook_object_event(server, event_name:sub(1, -3), redir_handler, -1);
e1659f32852e mod_http: For URLs that end with / or wildcard handlers, add a low-priority redirect from without to with slash
Kim Alvefur <zash@zash.se>
parents: 6086
diff changeset
188 elseif event_name:sub(-1, -1) == "/" then
e1659f32852e mod_http: For URLs that end with / or wildcard handlers, add a low-priority redirect from without to with slash
Kim Alvefur <zash@zash.se>
parents: 6086
diff changeset
189 module:hook_object_event(server, event_name:sub(1, -2), redir_handler, -1);
4669
0e0a72679f77 mod_http: Pass portion of path that matched wildcard to wildcard handlers, as a second parameter
Matthew Wild <mwild1@gmail.com>
parents: 4667
diff changeset
190 end
11022
3e5bc34be734 mod_http: Add way to signal that a module supports streaming uploads
Kim Alvefur <zash@zash.se>
parents: 11021
diff changeset
191 if not streaming then
11021
9673c95895fb net.http.parser: Allow specifying sink for large request bodies
Kim Alvefur <zash@zash.se>
parents: 10923
diff changeset
192 -- COMPAT Modules not compatible with streaming uploads behave as before.
9673c95895fb net.http.parser: Allow specifying sink for large request bodies
Kim Alvefur <zash@zash.se>
parents: 10923
diff changeset
193 local _handler = handler;
9673c95895fb net.http.parser: Allow specifying sink for large request bodies
Kim Alvefur <zash@zash.se>
parents: 10923
diff changeset
194 function handler(event) -- luacheck: ignore 432/event
9673c95895fb net.http.parser: Allow specifying sink for large request bodies
Kim Alvefur <zash@zash.se>
parents: 10923
diff changeset
195 if event.request.body ~= false then
9673c95895fb net.http.parser: Allow specifying sink for large request bodies
Kim Alvefur <zash@zash.se>
parents: 10923
diff changeset
196 return _handler(event);
9673c95895fb net.http.parser: Allow specifying sink for large request bodies
Kim Alvefur <zash@zash.se>
parents: 10923
diff changeset
197 end
9673c95895fb net.http.parser: Allow specifying sink for large request bodies
Kim Alvefur <zash@zash.se>
parents: 10923
diff changeset
198 end
9673c95895fb net.http.parser: Allow specifying sink for large request bodies
Kim Alvefur <zash@zash.se>
parents: 10923
diff changeset
199 end
4664
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
200 if not app_handlers[event_name] then
10315
d4c538a7d655 mod_http: Unhook CORS related event handlers
Kim Alvefur <zash@zash.se>
parents: 10258
diff changeset
201 app_handlers[event_name] = {
d4c538a7d655 mod_http: Unhook CORS related event handlers
Kim Alvefur <zash@zash.se>
parents: 10258
diff changeset
202 main = handler;
d4c538a7d655 mod_http: Unhook CORS related event handlers
Kim Alvefur <zash@zash.se>
parents: 10258
diff changeset
203 cors = cors_handler;
d4c538a7d655 mod_http: Unhook CORS related event handlers
Kim Alvefur <zash@zash.se>
parents: 10258
diff changeset
204 options = options_handler;
d4c538a7d655 mod_http: Unhook CORS related event handlers
Kim Alvefur <zash@zash.se>
parents: 10258
diff changeset
205 };
4696
4700e318add1 mod_http: Use module:hook/unhook_event_object() so that handlers get unregistered if mod_http is unloaded
Matthew Wild <mwild1@gmail.com>
parents: 4678
diff changeset
206 module:hook_object_event(server, event_name, handler);
9793
9993fd021d19 mod_http: Solve CORS problems once and for all
Kim Alvefur <zash@zash.se>
parents: 9504
diff changeset
207 module:hook_object_event(server, event_name, cors_handler, 1);
9796
adfb29f44412 mod_http: Set up to handle OPTIONS
Kim Alvefur <zash@zash.se>
parents: 9793
diff changeset
208 module:hook_object_event(server, options_event_name, options_handler, -1);
4664
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
209 else
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
210 module:log("warn", "App %s added handler twice for '%s', ignoring", app_name, event_name);
4636
41983ec223f0 mod_http: Include handlers of non-global modules.
Waqas Hussain <waqas20@gmail.com>
parents: 4635
diff changeset
211 end
4664
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
212 else
7359
a5a080c12c96 Update every link to the documentation to use HTTPS
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 7247
diff changeset
213 module:log("error", "Invalid route in %s, %q. See https://prosody.im/doc/developers/http#routes", app_name, key);
4636
41983ec223f0 mod_http: Include handlers of non-global modules.
Waqas Hussain <waqas20@gmail.com>
parents: 4635
diff changeset
214 end
4635
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
215 end
6597
321321f566fb mod_http: Log a debug message when adding new http apps and warn if no http ports are enabled
Kim Alvefur <zash@zash.se>
parents: 6596
diff changeset
216 local services = portmanager.get_active_services();
321321f566fb mod_http: Log a debug message when adding new http apps and warn if no http ports are enabled
Kim Alvefur <zash@zash.se>
parents: 6596
diff changeset
217 if services:get("https") or services:get("http") then
10460
5ce6cbb5ce6a mod_http: Log served URLs at 'info' level
Kim Alvefur <zash@zash.se>
parents: 10409
diff changeset
218 module:log("info", "Serving '%s' at %s", app_name, module:http_url(app_name, app_path));
11066
dc41c8dfd2b1 mod_http: Silence warnings when running under prosodyctl
Matthew Wild <mwild1@gmail.com>
parents: 11022
diff changeset
219 elseif prosody.process_type == "prosody" then
6597
321321f566fb mod_http: Log a debug message when adding new http apps and warn if no http ports are enabled
Kim Alvefur <zash@zash.se>
parents: 6596
diff changeset
220 module:log("warn", "Not listening on any ports, '%s' will be unreachable", app_name);
321321f566fb mod_http: Log a debug message when adding new http apps and warn if no http ports are enabled
Kim Alvefur <zash@zash.se>
parents: 6596
diff changeset
221 end
4635
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
222 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5427
diff changeset
223
4664
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
224 local function http_app_removed(event)
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
225 local app_handlers = apps[event.item.name];
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
226 apps[event.item.name] = nil;
10315
d4c538a7d655 mod_http: Unhook CORS related event handlers
Kim Alvefur <zash@zash.se>
parents: 10258
diff changeset
227 for event_name, handlers in pairs(app_handlers) do
d4c538a7d655 mod_http: Unhook CORS related event handlers
Kim Alvefur <zash@zash.se>
parents: 10258
diff changeset
228 module:unhook_object_event(server, event_name, handlers.main);
d4c538a7d655 mod_http: Unhook CORS related event handlers
Kim Alvefur <zash@zash.se>
parents: 10258
diff changeset
229 module:unhook_object_event(server, event_name, handlers.cors);
d4c538a7d655 mod_http: Unhook CORS related event handlers
Kim Alvefur <zash@zash.se>
parents: 10258
diff changeset
230 local options_event_name = event_name:gsub("^%S+", "OPTIONS");
d4c538a7d655 mod_http: Unhook CORS related event handlers
Kim Alvefur <zash@zash.se>
parents: 10258
diff changeset
231 module:unhook_object_event(server, options_event_name, handlers.options);
4664
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
232 end
4636
41983ec223f0 mod_http: Include handlers of non-global modules.
Waqas Hussain <waqas20@gmail.com>
parents: 4635
diff changeset
233 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5427
diff changeset
234
4664
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
235 module:handle_items("http-provider", http_app_added, http_app_removed);
4736
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4724
diff changeset
236
9376
220468f7a103 mod_http: Support global HTTP modules
Kim Alvefur <zash@zash.se>
parents: 9338
diff changeset
237 if host ~= "*" then
220468f7a103 mod_http: Support global HTTP modules
Kim Alvefur <zash@zash.se>
parents: 9338
diff changeset
238 server.add_host(host);
220468f7a103 mod_http: Support global HTTP modules
Kim Alvefur <zash@zash.se>
parents: 9338
diff changeset
239 function module.unload()
220468f7a103 mod_http: Support global HTTP modules
Kim Alvefur <zash@zash.se>
parents: 9338
diff changeset
240 server.remove_host(host);
220468f7a103 mod_http: Support global HTTP modules
Kim Alvefur <zash@zash.se>
parents: 9338
diff changeset
241 end
4736
3514338c59c3 net.http.server, mod_http: Support http_default_host config option to specify where to direct requests for unknown HTTP vhosts
Matthew Wild <mwild1@gmail.com>
parents: 4724
diff changeset
242 end
4635
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
243 end
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
244
9376
220468f7a103 mod_http: Support global HTTP modules
Kim Alvefur <zash@zash.se>
parents: 9338
diff changeset
245 module.add_host(module); -- set up handling on global context too
220468f7a103 mod_http: Support global HTTP modules
Kim Alvefur <zash@zash.se>
parents: 9338
diff changeset
246
8594
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Kim Alvefur <zash@zash.se>
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247 local trusted_proxies = module:get_option_set("trusted_proxies", { "127.0.0.1", "::1" })._items;
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248
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Boris Grozev <boris@jitsi.org>
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249 local function is_trusted_proxy(ip)
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Kim Alvefur <zash@zash.se>
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250 if trusted_proxies[ip] then
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251 return true;
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Kim Alvefur <zash@zash.se>
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252 end
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253 local parsed_ip = new_ip(ip)
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254 for trusted_proxy in trusted_proxies do
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255 if match_ip(parsed_ip, parse_cidr(trusted_proxy)) then
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256 return true;
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257 end
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258 end
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259 return false
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260 end
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261
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Kim Alvefur <zash@zash.se>
parents: 11409
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262 local function get_forwarded_connection_info(request) --> ip:string, secure:boolean
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d30c44a829c1 net.http.server: Set request.ip so mod_http doesn't have to
Kim Alvefur <zash@zash.se>
parents: 11408
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263 local ip = request.ip;
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264 local secure = request.secure; -- set by net.http.server
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parents: 7868
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265 local forwarded_for = request.headers.x_forwarded_for;
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266 if forwarded_for then
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22f783d80eec mod_http: Tell luacheck to ignore the long comment lines
Kim Alvefur <zash@zash.se>
parents: 10840
diff changeset
267 -- luacheck: ignore 631
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Jonas Schäfer <jonas@wielicki.name>
parents: 10465
diff changeset
268 -- This logic looks weird at first, but it makes sense.
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parents: 10465
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269 -- The for loop will take the last non-trusted-proxy IP from `forwarded_for`.
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parents: 10465
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270 -- We append the original request IP to the header. Then, since the last IP wins, there are two cases:
a83bfb266b15 mod_http: Add documentation to the non-obvious logic of get_ip_from_request
Jonas Schäfer <jonas@wielicki.name>
parents: 10465
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271 -- Case a) The original request IP is *not* in trusted proxies, in which case the X-Forwarded-For header will, effectively, be ineffective; the original request IP will win because it overrides any other IP in the header.
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parents: 10465
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272 -- Case b) The original request IP is in trusted proxies. In that case, the if branch in the for loop will skip the last IP, causing it to be ignored. The second-to-last IP will be taken instead.
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Jonas Schäfer <jonas@wielicki.name>
parents: 10465
diff changeset
273 -- Case c) If the second-to-last IP is also a trusted proxy, it will also be ignored, iteratively, up to the last IP which isn’t in trusted proxies.
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Jonas Schäfer <jonas@wielicki.name>
parents: 10465
diff changeset
274 -- Case d) If all IPs are in trusted proxies, something went obviously wrong and the logic never overwrites `ip`, leaving it at the original request IP.
8594
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Kim Alvefur <zash@zash.se>
parents: 7868
diff changeset
275 forwarded_for = forwarded_for..", "..ip;
b4a0bc46c82d mod_http: Set request.ip on all HTTP requests (moves code out of mod_bosh) (fixes #540)
Kim Alvefur <zash@zash.se>
parents: 7868
diff changeset
276 for forwarded_ip in forwarded_for:gmatch("[^%s,]+") do
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Boris Grozev <boris@jitsi.org>
parents: 10841
diff changeset
277 if not is_trusted_proxy(forwarded_ip) then
8594
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Kim Alvefur <zash@zash.se>
parents: 7868
diff changeset
278 ip = forwarded_ip;
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Kim Alvefur <zash@zash.se>
parents: 7868
diff changeset
279 end
b4a0bc46c82d mod_http: Set request.ip on all HTTP requests (moves code out of mod_bosh) (fixes #540)
Kim Alvefur <zash@zash.se>
parents: 7868
diff changeset
280 end
b4a0bc46c82d mod_http: Set request.ip on all HTTP requests (moves code out of mod_bosh) (fixes #540)
Kim Alvefur <zash@zash.se>
parents: 7868
diff changeset
281 end
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parents: 11409
diff changeset
282
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Kim Alvefur <zash@zash.se>
parents: 11409
diff changeset
283 secure = secure or request.headers.x_forwarded_proto == "https";
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Kim Alvefur <zash@zash.se>
parents: 11409
diff changeset
284
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Kim Alvefur <zash@zash.se>
parents: 11409
diff changeset
285 return ip, secure;
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Kim Alvefur <zash@zash.se>
parents: 7868
diff changeset
286 end
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Kim Alvefur <zash@zash.se>
parents: 7868
diff changeset
287
8596
71da54c7f797 mod_http: Pass util.events object to API, fixes traceback
Kim Alvefur <zash@zash.se>
parents: 8594
diff changeset
288 module:wrap_object_event(server._events, false, function (handlers, event_name, event_data)
8594
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Kim Alvefur <zash@zash.se>
parents: 7868
diff changeset
289 local request = event_data.request;
11410
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Kim Alvefur <zash@zash.se>
parents: 11409
diff changeset
290 if request and is_trusted_proxy(request.ip) then
8594
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Kim Alvefur <zash@zash.se>
parents: 7868
diff changeset
291 -- Not included in eg http-error events
11410
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Kim Alvefur <zash@zash.se>
parents: 11409
diff changeset
292 request.ip, request.secure = get_forwarded_connection_info(request);
8594
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Kim Alvefur <zash@zash.se>
parents: 7868
diff changeset
293 end
9338
9beb767295d4 Revert 2dc7490899ae::5d6b252bc36f: Unfinished and broken
Kim Alvefur <zash@zash.se>
parents: 9336
diff changeset
294 return handlers(event_name, event_data);
8594
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Kim Alvefur <zash@zash.se>
parents: 7868
diff changeset
295 end);
b4a0bc46c82d mod_http: Set request.ip on all HTTP requests (moves code out of mod_bosh) (fixes #540)
Kim Alvefur <zash@zash.se>
parents: 7868
diff changeset
296
5120
bcabea740c00 mod_{admin_telnet,c2s,component,http,net_multiplex,s2s}: Use module:provides() instead of module:add_item().
Waqas Hussain <waqas20@gmail.com>
parents: 5093
diff changeset
297 module:provides("net", {
4635
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
298 name = "http";
4664
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
299 listener = server.listener;
4635
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
300 default_port = 5280;
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
301 multiplex = {
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
302 pattern = "^[A-Z]";
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
303 };
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
304 });
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
305
5120
bcabea740c00 mod_{admin_telnet,c2s,component,http,net_multiplex,s2s}: Use module:provides() instead of module:add_item().
Waqas Hussain <waqas20@gmail.com>
parents: 5093
diff changeset
306 module:provides("net", {
4635
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
307 name = "https";
4664
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
308 listener = server.listener;
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
309 default_port = 5281;
4635
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
310 encryption = "ssl";
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
311 multiplex = {
10465
09697a673015 mod_net_multiplex: Add support for using ALPN
Kim Alvefur <zash@zash.se>
parents: 10460
diff changeset
312 protocol = "http/1.1";
4635
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
313 pattern = "^[A-Z]";
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
314 };
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
315 });