Mon, 04 Jan 2016 12:02:05 +0000
Remove some more unused modules
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1 | -- Prosody IM |
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2 | -- Copyright (C) 2008-2010 Matthew Wild |
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3 | -- Copyright (C) 2008-2010 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 | local b64 = require "mime".b64; |
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10 | local url = require "socket.url" |
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11 | local httpstream_new = require "net.http.parser".new; |
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12 | local util_http = require "util.http"; |
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13 | |
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14 | local ssl_available = pcall(require, "ssl"); |
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15 | |
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16 | local server = require "net.server" |
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17 | |
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18 | local t_insert, t_concat = table.insert, table.concat; |
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19 | local pairs = pairs; |
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20 | local tonumber, tostring, xpcall, select, traceback = |
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21 | tonumber, tostring, xpcall, select, debug.traceback; |
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22 | local assert, error = assert, error |
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23 | |
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24 | local log = require "util.logger".init("http"); |
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25 | |
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26 | module "http" |
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27 | |
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28 | local requests = {}; -- Open requests |
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29 | |
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30 | local listener = { default_port = 80, default_mode = "*a" }; |
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31 | |
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32 | function listener.onconnect(conn) |
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33 | local req = requests[conn]; |
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34 | -- Send the request |
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35 | local request_line = { req.method or "GET", " ", req.path, " HTTP/1.1\r\n" }; |
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36 | if req.query then |
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37 | t_insert(request_line, 4, "?"..req.query); |
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38 | end |
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39 | |
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40 | conn:write(t_concat(request_line)); |
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41 | local t = { [2] = ": ", [4] = "\r\n" }; |
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42 | for k, v in pairs(req.headers) do |
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43 | t[1], t[3] = k, v; |
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44 | conn:write(t_concat(t)); |
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45 | end |
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46 | conn:write("\r\n"); |
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47 | |
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48 | if req.body then |
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49 | conn:write(req.body); |
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50 | end |
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51 | end |
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52 | |
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53 | function listener.onincoming(conn, data) |
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54 | local request = requests[conn]; |
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55 | |
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56 | if not request then |
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57 | log("warn", "Received response from connection %s with no request attached!", tostring(conn)); |
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58 | return; |
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59 | end |
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60 | |
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61 | if data and request.reader then |
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62 | request:reader(data); |
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63 | end |
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64 | end |
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65 | |
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66 | function listener.ondisconnect(conn, err) |
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67 | local request = requests[conn]; |
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68 | if request and request.conn then |
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69 | request:reader(nil, err); |
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70 | end |
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71 | requests[conn] = nil; |
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72 | end |
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73 | |
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74 | function listener.ondetach(conn) |
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75 | requests[conn] = nil; |
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76 | end |
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77 | |
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78 | local function request_reader(request, data, err) |
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79 | if not request.parser then |
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80 | local function error_cb(reason) |
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81 | if request.callback then |
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82 | request.callback(reason or "connection-closed", 0, request); |
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83 | request.callback = nil; |
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84 | end |
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85 | destroy_request(request); |
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86 | end |
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87 | |
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88 | if not data then |
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89 | error_cb(err); |
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90 | return; |
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91 | end |
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92 | |
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93 | local function success_cb(r) |
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94 | if request.callback then |
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95 | request.callback(r.body, r.code, r, request); |
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96 | if r.partial then |
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97 | r.partial = nil; |
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98 | return; |
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99 | end |
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100 | request.callback = nil; |
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101 | end |
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102 | destroy_request(request); |
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103 | end |
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104 | local function options_cb() |
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105 | return request; |
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106 | end |
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107 | request.parser = httpstream_new(success_cb, error_cb, "client", options_cb); |
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108 | end |
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109 | request.parser:feed(data); |
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110 | end |
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111 | |
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112 | local function handleerr(err) log("error", "Traceback[http]: %s", traceback(tostring(err), 2)); end |
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113 | function request(u, ex, callback) |
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114 | local req = url.parse(u); |
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115 | |
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116 | if not (req and req.host) then |
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117 | callback(nil, 0, req); |
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118 | return nil, "invalid-url"; |
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119 | end |
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120 | |
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121 | if not req.path then |
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122 | req.path = "/"; |
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123 | end |
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124 | |
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125 | local method, headers, body; |
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126 | |
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127 | local host, port = req.host, req.port; |
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128 | local host_header = host; |
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129 | if (port == "80" and req.scheme == "http") |
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130 | or (port == "443" and req.scheme == "https") then |
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131 | port = nil; |
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132 | elseif port then |
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133 | host_header = host_header..":"..port; |
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134 | end |
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135 | |
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136 | headers = { |
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137 | ["Host"] = host_header; |
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138 | ["User-Agent"] = "Prosody XMPP Server"; |
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139 | }; |
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140 | |
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141 | if req.userinfo then |
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142 | headers["Authorization"] = "Basic "..b64(req.userinfo); |
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143 | end |
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144 | |
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145 | if ex then |
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146 | req.onlystatus = ex.onlystatus; |
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147 | body = ex.body; |
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148 | if body then |
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149 | method = "POST"; |
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150 | headers["Content-Length"] = tostring(#body); |
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151 | headers["Content-Type"] = "application/x-www-form-urlencoded"; |
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152 | end |
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153 | if ex.method then method = ex.method; end |
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154 | if ex.headers then |
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155 | for k, v in pairs(ex.headers) do |
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156 | headers[k] = v; |
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157 | end |
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158 | end |
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159 | end |
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160 | |
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161 | -- Attach to request object |
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162 | req.method, req.headers, req.body = method, headers, body; |
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163 | |
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164 | local using_https = req.scheme == "https"; |
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165 | if using_https and not ssl_available then |
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166 | error("SSL not available, unable to contact https URL"); |
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167 | end |
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168 | local port_number = port and tonumber(port) or (using_https and 443 or 80); |
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169 | |
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170 | local sslctx = false; |
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171 | if using_https then |
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172 | sslctx = ex and ex.sslctx or { mode = "client", protocol = "sslv23", options = { "no_sslv2", "no_sslv3" } }; |
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173 | end |
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174 | |
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175 | local handler, conn = server.addclient(host, port_number, listener, "*a", sslctx) |
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176 | if not handler then |
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177 | callback(nil, 0, req); |
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178 | return nil, conn; |
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179 | end |
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180 | req.handler, req.conn = handler, conn |
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181 | req.write = function (...) return req.handler:write(...); end |
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182 | |
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183 | req.callback = function (content, code, request, response) log("debug", "Calling callback, status %s", code or "---"); return select(2, xpcall(function () return callback(content, code, request, response) end, handleerr)); end |
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184 | req.success_on_chunk = ex.success_on_chunk; |
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185 | req.reader = request_reader; |
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186 | req.state = "status"; |
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187 | |
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188 | requests[req.handler] = req; |
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189 | return req; |
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190 | end |
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191 | |
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192 | function destroy_request(request) |
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193 | if request.conn then |
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194 | request.conn = nil; |
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195 | request.handler:close() |
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196 | end |
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197 | end |
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198 | |
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199 | local urlencode, urldecode = util_http.urlencode, util_http.urldecode; |
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200 | local formencode, formdecode = util_http.formencode, util_http.formdecode; |
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201 | |
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202 | _M.urlencode, _M.urldecode = urlencode, urldecode; |
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203 | _M.formencode, _M.formdecode = formencode, formdecode; |
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204 | |
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205 | return _M; |