prosody
651e945ad971
plugins/mod_http.lua

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plugins/mod_http.lua @ 9271:651e945ad971

mod_vcard_legacy: Handle avatar without vcard4 Since vcards are just avatar containers in many modern clients, aborting in case of no vcard4 data is not optimal. The upgrade mechanism needs further tweaks.
author Kim Alvefur <zash@zash.se>
date Fri, 07 Sep 2018 01:04:53 +0200
parent 8972:0b254439d451
child 9335:2dc7490899ae
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 module:depends("http_errors");
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11
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12 local portmanager = require "core.portmanager";
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13 local moduleapi = require "core.moduleapi";
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14 local url_parse = require "socket.url".parse;
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15 local url_build = require "socket.url".build;
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16
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17 local server = require "net.http.server";
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18
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19 server.set_default_host(module:get_option_string("http_default_host"));
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21 server.set_option("body_size_limit", module:get_option_number("http_max_content_size"));
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22 server.set_option("buffer_size_limit", module:get_option_number("http_max_buffer_size"));
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23
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24 local function normalize_path(path)
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25 if path:sub(-1,-1) == "/" then path = path:sub(1, -2); end
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26 if path:sub(1,1) ~= "/" then path = "/"..path; end
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27 return path;
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28 end
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29
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30 local function get_http_event(host, app_path, key)
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31 local method, path = key:match("^(%S+)%s+(.+)$");
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32 if not method then -- No path specified, default to "" (base path)
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33 method, path = key, "";
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34 end
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35 if method:sub(1,1) == "/" then
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36 return nil;
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37 end
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38 if app_path == "/" and path:sub(1,1) == "/" then
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39 app_path = "";
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40 end
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41 return method:upper().." "..host..app_path..path;
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42 end
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43
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44 local function get_base_path(host_module, app_name, default_app_path)
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45 return (normalize_path(host_module:get_option("http_paths", {})[app_name] -- Host
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46 or module:get_option("http_paths", {})[app_name] -- Global
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47 or default_app_path)) -- Default
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48 :gsub("%$(%w+)", { host = host_module.host });
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49 end
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50
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51 local function redir_handler(event)
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52 event.response.headers.location = event.request.path.."/";
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53 if event.request.url.query then
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54 event.response.headers.location = event.response.headers.location .. "?" .. event.request.url.query
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55 end
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56 return 301;
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57 end
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58
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59 local ports_by_scheme = { http = 80, https = 443, };
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60
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61 -- Helper to deduce a module's external URL
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62 function moduleapi.http_url(module, app_name, default_path)
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63 app_name = app_name or (module.name:gsub("^http_", ""));
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64 local external_url = url_parse(module:get_option_string("http_external_url")) or {};
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65 if external_url.scheme and external_url.port == nil then
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66 external_url.port = ports_by_scheme[external_url.scheme];
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67 end
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68 local services = portmanager.get_active_services();
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69 local http_services = services:get("https") or services:get("http") or {};
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70 for interface, ports in pairs(http_services) do -- luacheck: ignore 213/interface
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71 for port, service in pairs(ports) do -- luacheck: ignore 512
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72 local url = {
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73 scheme = (external_url.scheme or service[1].service.name);
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74 host = (external_url.host or module:get_option_string("http_host", module.host));
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75 port = tonumber(external_url.port) or port or 80;
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76 path = normalize_path(external_url.path or "/")..
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77 (get_base_path(module, app_name, default_path or "/"..app_name):sub(2));
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78 }
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79 if ports_by_scheme[url.scheme] == url.port then url.port = nil end
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80 return url_build(url);
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81 end
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82 end
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83 module:log("warn", "No http ports enabled, can't generate an external URL");
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84 return "http://disabled.invalid/";
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85 end
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86
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87 function module.add_host(module)
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88 local host = module:get_option_string("http_host", module.host);
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89 local apps = {};
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90 module.environment.apps = apps;
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91 local function http_app_added(event)
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92 local app_name = event.item.name;
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93 local default_app_path = event.item.default_path or "/"..app_name;
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94 local app_path = get_base_path(module, app_name, default_app_path);
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95 if not app_name then
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96 -- TODO: Link to docs
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97 module:log("error", "HTTP app has no 'name', add one or use module:provides('http', app)");
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98 return;
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99 end
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100 apps[app_name] = apps[app_name] or {};
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101 local app_handlers = apps[app_name];
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102 for key, handler in pairs(event.item.route or {}) do
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103 local event_name = get_http_event(host, app_path, key);
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104 if event_name then
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105 if type(handler) ~= "function" then
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106 local data = handler;
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107 handler = function () return data; end
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108 elseif event_name:sub(-2, -1) == "/*" then
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109 local base_path_len = #event_name:match("/.+$");
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110 local _handler = handler;
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111 handler = function (_event)
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112 local path = _event.request.path:sub(base_path_len);
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113 return _handler(_event, path);
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114 end;
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115 module:hook_object_event(server, event_name:sub(1, -3), redir_handler, -1);
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116 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
117 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
118 end
4664
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119 if not app_handlers[event_name] then
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120 app_handlers[event_name] = handler;
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
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121 module:hook_object_event(server, event_name, handler);
4664
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122 else
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123 module:log("warn", "App %s added handler twice for '%s', ignoring", app_name, event_name);
4636
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124 end
4664
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125 else
7359
a5a080c12c96 Update every link to the documentation to use HTTPS
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 7247
diff changeset
126 module:log("error", "Invalid route in %s, %q. See https://prosody.im/doc/developers/http#routes", app_name, key);
4636
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127 end
4635
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128 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
129 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
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parents: 6596
diff changeset
130 if services:get("https") or services:get("http") then
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
131 module:log("debug", "Serving '%s' at %s", app_name, module:http_url(app_name, app_path));
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
132 else
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Kim Alvefur <zash@zash.se>
parents: 6596
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133 module:log("warn", "Not listening on any ports, '%s' will be unreachable", app_name);
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Kim Alvefur <zash@zash.se>
parents: 6596
diff changeset
134 end
4635
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parents:
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135 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5427
diff changeset
136
4664
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Matthew Wild <mwild1@gmail.com>
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diff changeset
137 local function http_app_removed(event)
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Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
138 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
139 apps[event.item.name] = nil;
8971
e59207c909c0 mod_http: Rename loop variable to avoid name clash [luacheck]
Kim Alvefur <zash@zash.se>
parents: 8970
diff changeset
140 for event_name, handler in pairs(app_handlers) do
e59207c909c0 mod_http: Rename loop variable to avoid name clash [luacheck]
Kim Alvefur <zash@zash.se>
parents: 8970
diff changeset
141 module:unhook_object_event(server, event_name, handler);
4664
7438b3c68576 mod_http: Revamp module for new API and config
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parents: 4636
diff changeset
142 end
4636
41983ec223f0 mod_http: Include handlers of non-global modules.
Waqas Hussain <waqas20@gmail.com>
parents: 4635
diff changeset
143 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5427
diff changeset
144
4664
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Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
145 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
146
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
147 server.add_host(host);
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
148 function module.unload()
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
149 server.remove_host(host);
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
150 end
4635
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parents:
diff changeset
151 end
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
152
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
153 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
154
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
155 local function get_ip_from_request(request)
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
156 local ip = request.conn: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
157 local forwarded_for = request.headers.x_forwarded_for;
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
158 if forwarded_for then
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
159 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
160 for forwarded_ip in forwarded_for:gmatch("[^%s,]+") do
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
161 if not trusted_proxies[forwarded_ip] then
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
162 ip = forwarded_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
163 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
164 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
165 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
166 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
167 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
168
8596
71da54c7f797 mod_http: Pass util.events object to API, fixes traceback
Kim Alvefur <zash@zash.se>
parents: 8594
diff changeset
169 module:wrap_object_event(server._events, false, function (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
170 local request = event_data.request;
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
171 if request then
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
172 -- 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
173 request.ip = get_ip_from_request(request);
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
174 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
175 return handlers(event_name, event_data);
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
176 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
177
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
178 module:provides("net", {
4635
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
179 name = "http";
4664
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
180 listener = server.listener;
4635
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
181 default_port = 5280;
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
182 multiplex = {
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
183 pattern = "^[A-Z]";
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
184 };
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
185 });
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
186
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
187 module:provides("net", {
4635
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
188 name = "https";
4664
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
189 listener = server.listener;
7438b3c68576 mod_http: Revamp module for new API and config
Matthew Wild <mwild1@gmail.com>
parents: 4636
diff changeset
190 default_port = 5281;
4635
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
191 encryption = "ssl";
6086
3b4fde51fa25 mod_http: Update to disable peer verification with the new certmanager
Kim Alvefur <zash@zash.se>
parents: 6027
diff changeset
192 ssl_config = {
7867
194f540e13e2 util.sslconfig: Remvoe flag merging for 'verify' as this is more of a tri-state field than a set of options
Kim Alvefur <zash@zash.se>
parents: 7581
diff changeset
193 verify = "none";
6086
3b4fde51fa25 mod_http: Update to disable peer verification with the new certmanager
Kim Alvefur <zash@zash.se>
parents: 6027
diff changeset
194 };
4635
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
195 multiplex = {
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
196 pattern = "^[A-Z]";
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
197 };
ea5215bd2783 mod_http: Provide HTTP service.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
198 });