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plugins/mod_http.lua @ 7243:6e6eea2124c5
tests: Add namespace/prefix tracking test for util.xml
author | Matthew Wild <mwild1@gmail.com> |
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date | Sat, 05 Mar 2016 23:44:57 +0000 |
parent | 6966:3e3a83be7e14 |
child | 7247:44b39c02eb33 |
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 |
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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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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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20 |
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21 local function normalize_path(path) |
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22 if path:sub(-1,-1) == "/" then path = path:sub(1, -2); end |
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23 if path:sub(1,1) ~= "/" then path = "/"..path; end |
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24 return path; |
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25 end |
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26 |
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27 local function get_http_event(host, app_path, key) |
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28 local method, path = key:match("^(%S+)%s+(.+)$"); |
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29 if not method then -- No path specified, default to "" (base path) |
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30 method, path = key, ""; |
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31 end |
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32 if method:sub(1,1) == "/" then |
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33 return nil; |
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34 end |
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35 if app_path == "/" and path:sub(1,1) == "/" then |
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36 app_path = ""; |
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37 end |
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38 return method:upper().." "..host..app_path..path; |
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39 end |
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40 |
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41 local function get_base_path(host_module, app_name, default_app_path) |
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42 return (normalize_path(host_module:get_option("http_paths", {})[app_name] -- Host |
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43 or module:get_option("http_paths", {})[app_name] -- Global |
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44 or default_app_path)) -- Default |
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45 :gsub("%$(%w+)", { host = host_module.host }); |
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46 end |
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47 |
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48 local function redir_handler(event) |
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49 event.response.headers.location = event.request.path.."/"; |
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50 return 301; |
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51 end |
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52 |
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53 local ports_by_scheme = { http = 80, https = 443, }; |
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54 |
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55 -- Helper to deduce a module's external URL |
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56 function moduleapi.http_url(module, app_name, default_path) |
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57 app_name = app_name or (module.name:gsub("^http_", "")); |
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58 local external_url = url_parse(module:get_option_string("http_external_url")) or {}; |
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59 if external_url.scheme and external_url.port == nil then |
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60 external_url.port = ports_by_scheme[external_url.scheme]; |
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61 end |
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62 local services = portmanager.get_active_services(); |
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63 local http_services = services:get("https") or services:get("http") or {}; |
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64 for interface, ports in pairs(http_services) do |
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65 for port, services in pairs(ports) do |
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66 local url = { |
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67 scheme = (external_url.scheme or services[1].service.name); |
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68 host = (external_url.host or module:get_option_string("http_host", module.host)); |
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69 port = tonumber(external_url.port) or port or 80; |
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70 path = normalize_path(external_url.path or "/").. |
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71 (get_base_path(module, app_name, default_path or "/"..app_name):sub(2)); |
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72 } |
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73 if ports_by_scheme[url.scheme] == url.port then url.port = nil end |
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74 return url_build(url); |
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75 end |
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76 end |
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77 module:log("warn", "No http ports enabled, can't generate an external URL"); |
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78 return "http://disabled.invalid/"; |
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79 end |
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80 |
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81 function module.add_host(module) |
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82 local host = module:get_option_string("http_host", module.host); |
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83 local apps = {}; |
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84 module.environment.apps = apps; |
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85 local function http_app_added(event) |
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86 local app_name = event.item.name; |
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87 local default_app_path = event.item.default_path or "/"..app_name; |
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88 local app_path = get_base_path(module, app_name, default_app_path); |
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89 if not app_name then |
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90 -- TODO: Link to docs |
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91 module:log("error", "HTTP app has no 'name', add one or use module:provides('http', app)"); |
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92 return; |
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93 end |
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94 apps[app_name] = apps[app_name] or {}; |
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95 local app_handlers = apps[app_name]; |
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96 for key, handler in pairs(event.item.route or {}) do |
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97 local event_name = get_http_event(host, app_path, key); |
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98 if event_name then |
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99 if type(handler) ~= "function" then |
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100 local data = handler; |
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101 handler = function () return data; end |
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102 elseif event_name:sub(-2, -1) == "/*" then |
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103 local base_path_len = #event_name:match("/.+$"); |
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104 local _handler = handler; |
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105 handler = function (event) |
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106 local path = event.request.path:sub(base_path_len); |
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107 return _handler(event, path); |
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108 end; |
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109 module:hook_object_event(server, event_name:sub(1, -3), redir_handler, -1); |
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110 elseif event_name:sub(-1, -1) == "/" then |
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111 module:hook_object_event(server, event_name:sub(1, -2), redir_handler, -1); |
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112 end |
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113 if not app_handlers[event_name] then |
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114 app_handlers[event_name] = handler; |
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115 module:hook_object_event(server, event_name, handler); |
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116 else |
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117 module:log("warn", "App %s added handler twice for '%s', ignoring", app_name, event_name); |
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118 end |
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119 else |
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120 module:log("error", "Invalid route in %s, %q. See http://prosody.im/doc/developers/http#routes", app_name, key); |
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121 end |
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122 end |
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123 local services = portmanager.get_active_services(); |
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124 if services:get("https") or services:get("http") then |
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125 module:log("debug", "Serving '%s' at %s", app_name, module:http_url(app_name, app_path)); |
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126 else |
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127 module:log("warn", "Not listening on any ports, '%s' will be unreachable", app_name); |
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128 end |
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129 end |
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130 |
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131 local function http_app_removed(event) |
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132 local app_handlers = apps[event.item.name]; |
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133 apps[event.item.name] = nil; |
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134 for event, handler in pairs(app_handlers) do |
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135 module:unhook_object_event(server, event, handler); |
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136 end |
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137 end |
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138 |
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139 module:handle_items("http-provider", http_app_added, http_app_removed); |
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140 |
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141 server.add_host(host); |
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142 function module.unload() |
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143 server.remove_host(host); |
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144 end |
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145 end |
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146 |
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147 module:provides("net", { |
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148 name = "http"; |
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149 listener = server.listener; |
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150 default_port = 5280; |
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151 multiplex = { |
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152 pattern = "^[A-Z]"; |
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153 }; |
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154 }); |
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155 |
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156 module:provides("net", { |
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157 name = "https"; |
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158 listener = server.listener; |
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159 default_port = 5281; |
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160 encryption = "ssl"; |
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161 ssl_config = { |
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162 verify = { |
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163 peer = false, |
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164 client_once = false, |
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165 "none", |
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166 } |
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167 }; |
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168 multiplex = { |
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169 pattern = "^[A-Z]"; |
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170 }; |
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171 }); |