Created
March 29, 2014 22:02
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var fs = require("fs"), | |
http = require("http"), | |
path = require("path"), | |
url = require("url"), | |
util = require("util"), | |
sys = require("sys"), | |
zlib = require('zlib'); | |
var port = parseFloat(process.argv[2]) || 8081; | |
var encodePath = function(uri) { | |
var isApiRequest = uri.pathname.match(/^\/v1\//) && | |
!uri.pathname.match(/_design/) | |
if ( isApiRequest ) { | |
var path = uri.pathname.replace(/^\/v1\//, ''); | |
var encodedPath = encodeURIComponent(path); | |
return '/v1/' + encodedPath | |
} else { | |
return uri.pathname | |
} | |
} | |
var options = function(request) { | |
var uri = url.parse(request.url); | |
var encodedPath = encodePath(uri); | |
var opt = { | |
host: uri.hostname, | |
port: uri.port || 5984, | |
path: encodedPath, | |
method: request.method, | |
headers: request.headers | |
}; | |
opt.headers['connection'] = 'keep-alive'; | |
return opt; | |
} | |
var getHeaders = function (response) { | |
headers = response.headers | |
delete headers['content-length'] | |
headers['Access-Control-Allow-Origin'] = '*'; | |
headers['Access-Control-Allow-Methods'] = 'GET, POST, PUT, DELETE, OPTIONS'; | |
headers['Content-Encoding'] = 'gzip'; | |
return headers; | |
} | |
http.createServer(function(request, response) { | |
sys.log("--> " + request.method + " " + request.url); | |
var remoteRequest = http.request(options(request), function (remoteResponse) { | |
responseHeaders = getHeaders(remoteResponse); | |
response.writeHead(remoteResponse.statusCode, responseHeaders); | |
remoteResponse.on('end', function () { | |
sys.log("<-- " + response.statusCode + " " + request.url); | |
}); | |
remoteResponse.pipe(zlib.createGzip()).pipe(response); | |
}); | |
request.pipe(remoteRequest) | |
}).listen(port); | |
sys.log('Listening on port ' + port); |
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