prosody
27a22a1f141c
plugins/mod_http.lua

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plugins/mod_http.lua @ 11397:27a22a1f141c

mod_http: Allow modifying CORS header list via :provides API E.g. module:provides("http", { cors = { headers = { Accept = true; Expect = false; }; }; route = { ... }; }); Case might be weird.
author Kim Alvefur <zash@zash.se>
date Mon, 30 Dec 2019 09:50:59 +0100
parent 11396:f6bb3b193277
child 11399:d5d895313be2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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
ea5215bd2783 mod_http: Provide HTTP service.
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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 settigs
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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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parents: 8596
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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);
5190
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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;
9502
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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
10258
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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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diff changeset
106 response.headers.access_control_allow_origin = origin or "*";
10258
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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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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
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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
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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
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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
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parents: 4636
diff changeset
129 local app_handlers = apps[app_name];
9793
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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>
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diff changeset
131 local app_methods = opt_methods;
11397
27a22a1f141c mod_http: Allow modifying CORS header list via :provides API
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parents: 11396
diff changeset
132 local app_headers = opt_headers;
11396
f6bb3b193277 mod_http: Allow setting the CORS credentials flag via :provides API
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parents: 11387
diff changeset
133 local app_credentials = opt_credentials;
9797
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diff changeset
134
9793
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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
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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
4664
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
163 for key, handler in pairs(event.item.route or {}) do
4667
d0cfc49f3f2b mod_http: Support for default_path in apps
Matthew Wild <mwild1@gmail.com>
parents: 4664
diff changeset
164 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
165 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
166 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
167 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
168 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
169 end
9796
adfb29f44412 mod_http: Set up to handle OPTIONS
Kim Alvefur <zash@zash.se>
parents: 9793
diff changeset
170 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
171 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
172 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
173 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
174 elseif event_name:sub(-2, -1) == "/*" then
5230
6f5640375358 mod_http: Fix path length pattern
Kim Alvefur <zash@zash.se>
parents: 5204
diff changeset
175 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
176 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
177 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
178 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
179 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
180 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
181 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
182 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
183 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
184 end
11022
3e5bc34be734 mod_http: Add way to signal that a module supports streaming uploads
Kim Alvefur <zash@zash.se>
parents: 11021
diff changeset
185 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
186 -- 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
187 local _handler = handler;
9673c95895fb net.http.parser: Allow specifying sink for large request bodies
Kim Alvefur <zash@zash.se>
parents: 10923
diff changeset
188 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
189 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
190 return _handler(event);
9673c95895fb net.http.parser: Allow specifying sink for large request bodies
Kim Alvefur <zash@zash.se>
parents: 10923
diff changeset
191 end
9673c95895fb net.http.parser: Allow specifying sink for large request bodies
Kim Alvefur <zash@zash.se>
parents: 10923
diff changeset
192 end
9673c95895fb net.http.parser: Allow specifying sink for large request bodies
Kim Alvefur <zash@zash.se>
parents: 10923
diff changeset
193 end
4664
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
194 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
195 app_handlers[event_name] = {
d4c538a7d655 mod_http: Unhook CORS related event handlers
Kim Alvefur <zash@zash.se>
parents: 10258
diff changeset
196 main = handler;
d4c538a7d655 mod_http: Unhook CORS related event handlers
Kim Alvefur <zash@zash.se>
parents: 10258
diff changeset
197 cors = cors_handler;
d4c538a7d655 mod_http: Unhook CORS related event handlers
Kim Alvefur <zash@zash.se>
parents: 10258
diff changeset
198 options = options_handler;
d4c538a7d655 mod_http: Unhook CORS related event handlers
Kim Alvefur <zash@zash.se>
parents: 10258
diff changeset
199 };
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
200 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
201 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
202 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
203 else
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
204 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
205 end
4664
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
206 else
7359
a5a080c12c96 Update every link to the documentation to use HTTPS
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 7247
diff changeset
207 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
208 end
4635
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
209 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
210 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
211 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
212 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
213 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
214 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
215 end
4635
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
216 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5427
diff changeset
217
4664
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
218 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
219 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
220 apps[event.item.name] = nil;
10315
d4c538a7d655 mod_http: Unhook CORS related event handlers
Kim Alvefur <zash@zash.se>
parents: 10258
diff changeset
221 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
222 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
223 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
224 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
225 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
226 end
4636
41983ec223f0 mod_http: Include handlers of non-global modules.
Waqas Hussain <waqas20@gmail.com>
parents: 4635
diff changeset
227 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5427
diff changeset
228
4664
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
229 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
230
9376
220468f7a103 mod_http: Support global HTTP modules
Kim Alvefur <zash@zash.se>
parents: 9338
diff changeset
231 if host ~= "*" then
220468f7a103 mod_http: Support global HTTP modules
Kim Alvefur <zash@zash.se>
parents: 9338
diff changeset
232 server.add_host(host);
220468f7a103 mod_http: Support global HTTP modules
Kim Alvefur <zash@zash.se>
parents: 9338
diff changeset
233 function module.unload()
220468f7a103 mod_http: Support global HTTP modules
Kim Alvefur <zash@zash.se>
parents: 9338
diff changeset
234 server.remove_host(host);
220468f7a103 mod_http: Support global HTTP modules
Kim Alvefur <zash@zash.se>
parents: 9338
diff changeset
235 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
236 end
4635
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
237 end
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
238
9376
220468f7a103 mod_http: Support global HTTP modules
Kim Alvefur <zash@zash.se>
parents: 9338
diff changeset
239 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
240
8594
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
241 local trusted_proxies = module:get_option_set("trusted_proxies", { "127.0.0.1", "::1" })._items;
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
242
10923
dff1aebd0f2b mod_http: Support CIDR for trusted proxies.
Boris Grozev <boris@jitsi.org>
parents: 10841
diff changeset
243 local function is_trusted_proxy(ip)
11385
c81b6b8c6b19 mod_http: Optimize proxy IP check
Kim Alvefur <zash@zash.se>
parents: 11383
diff changeset
244 if trusted_proxies[ip] then
c81b6b8c6b19 mod_http: Optimize proxy IP check
Kim Alvefur <zash@zash.se>
parents: 11383
diff changeset
245 return true;
c81b6b8c6b19 mod_http: Optimize proxy IP check
Kim Alvefur <zash@zash.se>
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diff changeset
246 end
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247 local parsed_ip = new_ip(ip)
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248 for trusted_proxy in trusted_proxies do
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249 if match_ip(parsed_ip, parse_cidr(trusted_proxy)) then
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250 return true;
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Boris Grozev <boris@jitsi.org>
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251 end
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Boris Grozev <boris@jitsi.org>
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252 end
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253 return false
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Boris Grozev <boris@jitsi.org>
parents: 10841
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254 end
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parents: 10841
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255
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parents: 7868
diff changeset
256 local function get_ip_from_request(request)
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257 local ip = request.conn:ip();
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parents: 7868
diff changeset
258 local forwarded_for = request.headers.x_forwarded_for;
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Kim Alvefur <zash@zash.se>
parents: 7868
diff changeset
259 if forwarded_for then
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Kim Alvefur <zash@zash.se>
parents: 10840
diff changeset
260 -- luacheck: ignore 631
10840
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Jonas Schäfer <jonas@wielicki.name>
parents: 10465
diff changeset
261 -- This logic looks weird at first, but it makes sense.
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parents: 10465
diff changeset
262 -- The for loop will take the last non-trusted-proxy IP from `forwarded_for`.
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Jonas Schäfer <jonas@wielicki.name>
parents: 10465
diff changeset
263 -- 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
diff changeset
264 -- 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
diff changeset
265 -- 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
266 -- 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
267 -- 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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parents: 7868
diff changeset
268 forwarded_for = forwarded_for..", "..ip;
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Kim Alvefur <zash@zash.se>
parents: 7868
diff changeset
269 for forwarded_ip in forwarded_for:gmatch("[^%s,]+") do
10923
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Boris Grozev <boris@jitsi.org>
parents: 10841
diff changeset
270 if not is_trusted_proxy(forwarded_ip) then
8594
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Kim Alvefur <zash@zash.se>
parents: 7868
diff changeset
271 ip = forwarded_ip;
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Kim Alvefur <zash@zash.se>
parents: 7868
diff changeset
272 end
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Kim Alvefur <zash@zash.se>
parents: 7868
diff changeset
273 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
274 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
275 return 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 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
277
8596
71da54c7f797 mod_http: Pass util.events object to API, fixes traceback
Kim Alvefur <zash@zash.se>
parents: 8594
diff changeset
278 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
279 local request = event_data.request;
11381
8603011e51fe mod_http: Skip IP resolution in non-proxied case
Kim Alvefur <zash@zash.se>
parents: 9504
diff changeset
280 if request and is_trusted_proxy(request.conn:ip()) then
8594
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Kim Alvefur <zash@zash.se>
parents: 7868
diff changeset
281 -- Not included in eg http-error events
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
282 request.ip = get_ip_from_request(request);
11383
98b7ae7064b2 mod_http: Consider x-forwarded-proto from trusted proxies
Kim Alvefur <zash@zash.se>
parents: 11382
diff changeset
283
98b7ae7064b2 mod_http: Consider x-forwarded-proto from trusted proxies
Kim Alvefur <zash@zash.se>
parents: 11382
diff changeset
284 if not request.secure and request.headers.x_forwarded_proto == "https" then
98b7ae7064b2 mod_http: Consider x-forwarded-proto from trusted proxies
Kim Alvefur <zash@zash.se>
parents: 11382
diff changeset
285 request.secure = true;
98b7ae7064b2 mod_http: Consider x-forwarded-proto from trusted proxies
Kim Alvefur <zash@zash.se>
parents: 11382
diff changeset
286 end
8594
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Kim Alvefur <zash@zash.se>
parents: 7868
diff changeset
287 end
9338
9beb767295d4 Revert 2dc7490899ae::5d6b252bc36f: Unfinished and broken
Kim Alvefur <zash@zash.se>
parents: 9336
diff changeset
288 return handlers(event_name, event_data);
8594
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
289 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
290
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
291 module:provides("net", {
4635
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
292 name = "http";
4664
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
293 listener = server.listener;
4635
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
294 default_port = 5280;
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
295 multiplex = {
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
296 pattern = "^[A-Z]";
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
297 };
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
298 });
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
299
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
300 module:provides("net", {
4635
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
301 name = "https";
4664
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
302 listener = server.listener;
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
303 default_port = 5281;
4635
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
304 encryption = "ssl";
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
305 multiplex = {
10465
09697a673015 mod_net_multiplex: Add support for using ALPN
Kim Alvefur <zash@zash.se>
parents: 10460
diff changeset
306 protocol = "http/1.1";
4635
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
307 pattern = "^[A-Z]";
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
308 };
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
309 });