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[examples] update forward and custom error examples
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‎examples/http/custom-proxy-error.js

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/*
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custom-proxy-error.js: Example of using the custom `proxyError` event.
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Copyright (c) 2010 Charlie Robbins, Mikeal Rogers, Fedor Indutny, & Marak Squires.
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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var util = require('util'),
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colors = require('colors'),
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http = require('http'),
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httpProxy = require('../../lib/http-proxy');
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//
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// Http Proxy Server with bad target
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//
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var proxy = httpProxy.createServer({
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target:'http://localhost:9000'
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});
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//
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// Tell the proxy to listen on port 8000
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//
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proxy.listen(8000);
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//
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// Listen for the `error` event on `proxy`.
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proxy.on('error', function (err, req, res) {
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res.writeHead(500, {
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'Content-Type': 'text/plain'
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});
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res.end('Something went wrong. And we are reporting a custom error message.');
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});
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util.puts('http proxy server '.blue + 'started '.green.bold + 'on port '.blue + '8000 '.yellow + 'with custom error message'.magenta.underline);

‎examples/http/forward-and-target-proxy.js

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/*
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forward-and-target-proxy.js: Example of proxying over HTTP with additional forward proxy
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Copyright (c) 2010 Charlie Robbins, Mikeal Rogers, Fedor Indutny, & Marak Squires.
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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var util = require('util'),
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colors = require('colors'),
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http = require('http'),
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httpProxy = require('../../lib/http-proxy');
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//
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// Setup proxy server with forwarding
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//
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httpProxy.createServer({
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target: {
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port: 9000,
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host: 'localhost'
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},
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forward: {
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port: 9001,
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host: 'localhost'
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}
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}).listen(8000);
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//
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// Target Http Server
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//
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http.createServer(function (req, res) {
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res.writeHead(200, { 'Content-Type': 'text/plain' });
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res.write('request successfully proxied to: ' + req.url + '\n' + JSON.stringify(req.headers, true, 2));
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res.end();
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}).listen(9000);
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//
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// Target Http Forwarding Server
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//
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http.createServer(function (req, res) {
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util.puts('Receiving forward for: ' + req.url);
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res.writeHead(200, { 'Content-Type': 'text/plain' });
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res.write('request successfully forwarded to: ' + req.url + '\n' + JSON.stringify(req.headers, true, 2));
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res.end();
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}).listen(9001);
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util.puts('http proxy server '.blue + 'started '.green.bold + 'on port '.blue + '8000 '.yellow + 'with forward proxy'.magenta.underline);
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util.puts('http server '.blue + 'started '.green.bold + 'on port '.blue + '9000 '.yellow);
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util.puts('http forward server '.blue + 'started '.green.bold + 'on port '.blue + '9001 '.yellow);

‎examples/http/forward-proxy.js

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/*
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forward-proxy.js: Example of proxying over HTTP with additional forward proxy
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Copyright (c) 2010 Charlie Robbins, Mikeal Rogers, Fedor Indutny, & Marak Squires.
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
9+
without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
11+
permit persons to whom the Software is furnished to do so, subject to
12+
the following conditions:
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The above copyright notice and this permission notice shall be
15+
included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19+
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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var util = require('util'),
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colors = require('colors'),
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http = require('http'),
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httpProxy = require('../../lib/http-proxy');
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//
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// Setup proxy server with forwarding
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//
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httpProxy.createServer({
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forward: {
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port: 9000,
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host: 'localhost'
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}
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}).listen(8000);
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//
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// Target Http Forwarding Server
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//
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http.createServer(function (req, res) {
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util.puts('Receiving forward for: ' + req.url);
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res.writeHead(200, { 'Content-Type': 'text/plain' });
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res.write('request successfully forwarded to: ' + req.url + '\n' + JSON.stringify(req.headers, true, 2));
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res.end();
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}).listen(9000);
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util.puts('http proxy server '.blue + 'started '.green.bold + 'on port '.blue + '8000 '.yellow + 'with forward proxy'.magenta.underline);
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util.puts('http forward server '.blue + 'started '.green.bold + 'on port '.blue + '9000 '.yellow);

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