-- Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
---
+--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
local socket = require "socket"
local b64 = require "util.encodings".base64.encode;
local url = require "socket.url"
-local httpstream_new = require "util.httpstream".new;
+local httpstream_new = require "net.http.parser".new;
+local util_http = require "util.http";
local ssl_available = pcall(require, "ssl");
local server = require "net.server"
local t_insert, t_concat = table.insert, table.concat;
-local pairs, ipairs = pairs, ipairs;
-local tonumber, tostring, xpcall, select, debug_traceback, char, format =
- tonumber, tostring, xpcall, select, debug.traceback, string.char, string.format;
+local pairs = pairs;
+local tonumber, tostring, xpcall, select, traceback =
+ tonumber, tostring, xpcall, select, debug.traceback;
+local assert, error = assert, error
local log = require "util.logger".init("http");
if req.query then
t_insert(request_line, 4, "?"..req.query);
end
-
+
conn:write(t_concat(request_line));
local t = { [2] = ": ", [4] = "\r\n" };
for k, v in pairs(req.headers) do
conn:write(t_concat(t));
end
conn:write("\r\n");
-
+
if req.body then
conn:write(req.body);
end
function listener.ondisconnect(conn, err)
local request = requests[conn];
if request and request.conn then
- request:reader(nil);
+ request:reader(nil, err);
end
requests[conn] = nil;
end
-function urlencode(s) return s and (s:gsub("[^a-zA-Z0-9.~_-]", function (c) return format("%%%02x", c:byte()); end)); end
-function urldecode(s) return s and (s:gsub("%%(%x%x)", function (c) return char(tonumber(c,16)); end)); end
-
-local function _formencodepart(s)
- return s and (s:gsub("%W", function (c)
- if c ~= " " then
- return format("%%%02x", c:byte());
- else
- return "+";
- end
- end));
-end
-
-function formencode(form)
- local result = {};
- if form[1] then -- Array of ordered { name, value }
- for _, field in ipairs(form) do
- t_insert(result, _formencodepart(field.name).."=".._formencodepart(field.value));
- end
- else -- Unordered map of name -> value
- for name, value in pairs(form) do
- t_insert(result, _formencodepart(name).."=".._formencodepart(value));
- end
- end
- return t_concat(result, "&");
-end
-
-function formdecode(s)
- if not s:match("=") then return urldecode(s); end
- local r = {};
- for k, v in s:gmatch("([^=&]*)=([^&]*)") do
- k, v = k:gsub("%+", "%%20"), v:gsub("%+", "%%20");
- k, v = urldecode(k), urldecode(v);
- t_insert(r, { name = k, value = v });
- r[k] = v;
- end
- return r;
+function listener.ondetach(conn)
+ requests[conn] = nil;
end
-local function request_reader(request, data, startpos)
+local function request_reader(request, data, err)
if not request.parser then
- if not data then return; end
- local function success_cb(r)
+ local function error_cb(reason)
if request.callback then
- for k,v in pairs(r) do request[k] = v; end
- request.callback(r.body, r.code, request, r);
+ request.callback(reason or "connection-closed", 0, request);
request.callback = nil;
end
destroy_request(request);
end
- local function error_cb(r)
+
+ if not data then
+ error_cb(err);
+ return;
+ end
+
+ local function success_cb(r)
if request.callback then
- request.callback(r or "connection-closed", 0, request);
+ request.callback(r.body, r.code, r, request);
request.callback = nil;
end
destroy_request(request);
request.parser:feed(data);
end
-local function handleerr(err) log("error", "Traceback[http]: %s: %s", tostring(err), debug_traceback()); end
+local function handleerr(err) log("error", "Traceback[http]: %s", traceback(tostring(err), 2)); end
function request(u, ex, callback)
local req = url.parse(u);
-
+
if not (req and req.host) then
callback(nil, 0, req);
return nil, "invalid-url";
end
-
+
if not req.path then
req.path = "/";
end
-
+
local method, headers, body;
-
+
+ local host, port = req.host, req.port;
+ local host_header = host;
+ if (port == "80" and req.scheme == "http")
+ or (port == "443" and req.scheme == "https") then
+ port = nil;
+ elseif port then
+ host_header = host_header..":"..port;
+ end
+
headers = {
- ["Host"] = req.host;
+ ["Host"] = host_header;
["User-Agent"] = "Prosody XMPP Server";
};
-
+
if req.userinfo then
headers["Authorization"] = "Basic "..b64(req.userinfo);
end
end
end
end
-
+
-- Attach to request object
req.method, req.headers, req.body = method, headers, body;
-
+
local using_https = req.scheme == "https";
if using_https and not ssl_available then
error("SSL not available, unable to contact https URL");
end
- local port = tonumber(req.port) or (using_https and 443 or 80);
-
+ local port_number = port and tonumber(port) or (using_https and 443 or 80);
+
-- Connect the socket, and wrap it with net.server
local conn = socket.tcp();
conn:settimeout(10);
- local ok, err = conn:connect(req.host, port);
+ local ok, err = conn:connect(host, port_number);
if not ok and err ~= "timeout" then
callback(nil, 0, req);
return nil, err;
end
-
+
local sslctx = false;
if using_https then
sslctx = ex and ex.sslctx or { mode = "client", protocol = "sslv23", options = { "no_sslv2" } };
end
- req.handler, req.conn = server.wrapclient(conn, req.host, port, listener, "*a", sslctx);
+ req.handler, req.conn = assert(server.wrapclient(conn, host, port_number, listener, "*a", sslctx));
req.write = function (...) return req.handler:write(...); end
-
+
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
req.reader = request_reader;
req.state = "status";
end
end
-_M.urlencode = urlencode;
+local urlencode, urldecode = util_http.urlencode, util_http.urldecode;
+local formencode, formdecode = util_http.formencode, util_http.formdecode;
+
+_M.urlencode, _M.urldecode = urlencode, urldecode;
+_M.formencode, _M.formdecode = formencode, formdecode;
return _M;