From b7261161343c3471201d6de36ba1030aced26425 Mon Sep 17 00:00:00 2001 From: cronopio Date: Mon, 18 Nov 2013 15:58:44 -0500 Subject: [PATCH] [examples] update forward and custom error examples --- examples/http/custom-proxy-error.js | 55 +++++++++++++++++++ examples/http/forward-and-target-proxy.js | 67 +++++++++++++++++++++++ examples/http/forward-proxy.js | 53 ++++++++++++++++++ 3 files changed, 175 insertions(+) create mode 100644 examples/http/custom-proxy-error.js create mode 100644 examples/http/forward-and-target-proxy.js create mode 100644 examples/http/forward-proxy.js diff --git a/examples/http/custom-proxy-error.js b/examples/http/custom-proxy-error.js new file mode 100644 index 0000000..5835e88 --- /dev/null +++ b/examples/http/custom-proxy-error.js @@ -0,0 +1,55 @@ +/* + custom-proxy-error.js: Example of using the custom `proxyError` event. + + Copyright (c) 2010 Charlie Robbins, Mikeal Rogers, Fedor Indutny, & Marak Squires. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +*/ + +var util = require('util'), + colors = require('colors'), + http = require('http'), + httpProxy = require('../../lib/http-proxy'); + +// +// Http Proxy Server with bad target +// +var proxy = httpProxy.createServer({ + target:'http://localhost:9000' +}); + +// +// Tell the proxy to listen on port 8000 +// +proxy.listen(8000); + +// +// Listen for the `error` event on `proxy`. +proxy.on('error', function (err, req, res) { + res.writeHead(500, { + 'Content-Type': 'text/plain' + }); + + res.end('Something went wrong. And we are reporting a custom error message.'); +}); + + +util.puts('http proxy server '.blue + 'started '.green.bold + 'on port '.blue + '8000 '.yellow + 'with custom error message'.magenta.underline); \ No newline at end of file diff --git a/examples/http/forward-and-target-proxy.js b/examples/http/forward-and-target-proxy.js new file mode 100644 index 0000000..9ecf4dc --- /dev/null +++ b/examples/http/forward-and-target-proxy.js @@ -0,0 +1,67 @@ +/* + forward-and-target-proxy.js: Example of proxying over HTTP with additional forward proxy + + Copyright (c) 2010 Charlie Robbins, Mikeal Rogers, Fedor Indutny, & Marak Squires. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +*/ + +var util = require('util'), + colors = require('colors'), + http = require('http'), + httpProxy = require('../../lib/http-proxy'); + +// +// Setup proxy server with forwarding +// +httpProxy.createServer({ + target: { + port: 9000, + host: 'localhost' + }, + forward: { + port: 9001, + host: 'localhost' + } +}).listen(8000); + +// +// Target Http Server +// +http.createServer(function (req, res) { + res.writeHead(200, { 'Content-Type': 'text/plain' }); + res.write('request successfully proxied to: ' + req.url + '\n' + JSON.stringify(req.headers, true, 2)); + res.end(); +}).listen(9000); + +// +// Target Http Forwarding Server +// +http.createServer(function (req, res) { + util.puts('Receiving forward for: ' + req.url); + res.writeHead(200, { 'Content-Type': 'text/plain' }); + res.write('request successfully forwarded to: ' + req.url + '\n' + JSON.stringify(req.headers, true, 2)); + res.end(); +}).listen(9001); + +util.puts('http proxy server '.blue + 'started '.green.bold + 'on port '.blue + '8000 '.yellow + 'with forward proxy'.magenta.underline); +util.puts('http server '.blue + 'started '.green.bold + 'on port '.blue + '9000 '.yellow); +util.puts('http forward server '.blue + 'started '.green.bold + 'on port '.blue + '9001 '.yellow); \ No newline at end of file diff --git a/examples/http/forward-proxy.js b/examples/http/forward-proxy.js new file mode 100644 index 0000000..d10a402 --- /dev/null +++ b/examples/http/forward-proxy.js @@ -0,0 +1,53 @@ +/* + forward-proxy.js: Example of proxying over HTTP with additional forward proxy + + Copyright (c) 2010 Charlie Robbins, Mikeal Rogers, Fedor Indutny, & Marak Squires. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +*/ + +var util = require('util'), + colors = require('colors'), + http = require('http'), + httpProxy = require('../../lib/http-proxy'); + +// +// Setup proxy server with forwarding +// +httpProxy.createServer({ + forward: { + port: 9000, + host: 'localhost' + } +}).listen(8000); + +// +// Target Http Forwarding Server +// +http.createServer(function (req, res) { + util.puts('Receiving forward for: ' + req.url); + res.writeHead(200, { 'Content-Type': 'text/plain' }); + res.write('request successfully forwarded to: ' + req.url + '\n' + JSON.stringify(req.headers, true, 2)); + res.end(); +}).listen(9000); + +util.puts('http proxy server '.blue + 'started '.green.bold + 'on port '.blue + '8000 '.yellow + 'with forward proxy'.magenta.underline); +util.puts('http forward server '.blue + 'started '.green.bold + 'on port '.blue + '9000 '.yellow); \ No newline at end of file