nathan

lab-nathan/.eslintignore

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+**/node_modules/*
+**/vendor/*
+**/*.min.js
+**/coverage/*
+**/build/*
+**/assets/*

lab-nathan/.eslintrc

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+{
+  "rules": {
+    "no-console": "off",
+    "indent": [ "error", 2 ],
+    "quotes": [ "error", "single" ],
+    "semi": ["error", "always"],
+    "linebreak-style": [ "error", "unix" ]
+  },
+  "env": {
+    "es6": true,
+    "node": true,
+    "mocha": true,
+    "jasmine": true
+  },
+  "parserOptions": {
+    "ecmaFeatures": {
+      "modules": true,
+      "experimentalObjectRestSpread": true,
+      "impliedStrict": true
+    }
+  },
+  "extends": "eslint:recommended"
+}

lab-nathan/.gitignore

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+# Created by https://www.gitignore.io/api/osx,vim,node,macos,windows
+
+### macOS ###
+*.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+### Node ###
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Typescript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+
+### OSX ###
+
+# Icon must end with two \r
+
+# Thumbnails
+
+# Files that might appear in the root of a volume
+
+# Directories potentially created on remote AFP share
+
+### Vim ###
+# swap
+[._]*.s[a-v][a-z]
+[._]*.sw[a-p]
+[._]s[a-v][a-z]
+[._]sw[a-p]
+# session
+Session.vim
+# temporary
+.netrwhist
+*~
+# auto-generated tag files
+tags
+
+### Windows ###
+# Windows thumbnail cache files
+Thumbs.db
+ehthumbs.db
+ehthumbs_vista.db
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# End of https://www.gitignore.io/api/osx,vim,node,macos,windows
+
+output

lab-nathan/README.md

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+# Nathan's HTTP Server
+
+This is a simple HTTP server which can display a cow saying a custom message. There are two ways to communicate with the server, a GET request or a POST request. 
+
+## GET
+```
+/help
+
+/[cowsay?text='<message>'[&cow='<cow>']]
+```
+
+## POST
+
+URL
+```
+/cowsay
+```
+
+Body
+```js
+{
+  "text": "<message>",
+  "cow": "<cow>"
+}
+
+```
+
+## Cows
+* beavis.zen
+* bong
+* bud-frogs
+* bunny
+* cheese
+* cower
+* daemon
+* default
+* doge
+* dragon-and-cow
+* dragon
+* elephant-in-snake
+* elephant
+* eyes
+* flaming-sheep
+* ghostbusters
+* goat
+* head-in
+* hedgehog
+* hellokitty
+* kiss
+* kitty
+* koala
+* kosh
+* luke-koala
+* mech-and-cow
+* meow
+* milk
+* moofasa
+* moose
+* mutilated
+* ren
+* satanic
+* sheep
+* skeleton
+* small
+* sodomized
+* squirrel
+* stegosaurus
+* stimpy
+* supermilker
+* surgery
+* telebears
+* turkey
+* turtle
+* tux
+* vader-koala
+* vader
+* whale
+* www

lab-nathan/lib/parse-body.js

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+'use strict';
+
+module.exports = parseBody;
+
+function parseBody(request, callback) {
+  request.body = '';
+
+  request.on('data', function(data) {
+    request.body += data.toString();
+  });
+
+  request.on('end', function() {
+    try {
+      request.body = JSON.parse(request.body);
+      callback(null, request.body);
+    } catch (err) {
+      callback(err);
+    }
+  });
+}

lab-nathan/package.json

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+{
+  "name": "lab-nathan",
+  "version": "1.0.0",
+  "description": "",
+  "main": "server.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start": "node server.js"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "cowsay": "^1.1.9"
+  }
+}

lab-nathan/server.js

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+'use strict';
+
+const http = require('http');
+const url = require('url');
+const os = require('os');
+const querystring = require('querystring');
+const cowsay = require('cowsay');
+const parseBody = require('./lib/parse-body.js');
+const PORT = process.env.PORT || 3000;
+
+const server = http.createServer(function(request, response) {
+  request.url = url.parse(request.url);
+  request.url.query = querystring.parse(request.url.query);
+
+  if (request.url.pathname === '/') {
+    response.writeHead(200, { 'content-type': 'text/plain' });
+    response.write('Welcome to Nathan\'s HTTP Server!');
+    response.write(os.EOL);
+    response.write('GET /help for a list of commands.');
+    response.write(os.EOL);
+    response.end();
+    return;
+  }
+
+  switch (request.method) {
+  case 'GET':
+    processGetRequest(request, response);
+    break;
+  case 'POST':
+    processPostRequest(request, response);
+    break;
+  default:
+    processDefaultRequest(request, response);
+    break;
+  }  
+});
+
+function processGetRequest(request, response) {
+  if (request.url.pathname === '/help') {
+    response.writeHead(200, { 'content-type': 'text/plain' });
+    response.write('Query Parameters:');
+    response.write(os.EOL);
+    response.write('"text": What the cow will say.');
+    response.write(os.EOL);
+    response.write('"cow": Which cow to use.');
+    response.write(os.EOL);
+    response.write(os.EOL);
+    response.write('Cows:');
+    response.write(os.EOL);
+    cowsay.list(function(err, files) {
+      files.forEach(function(file) {
+        response.write(file);
+        response.write(os.EOL);
+      });
+
+      response.end();
+    });
+  } 
+  else if (request.url.query.text) {
+    let cowOptions = {};
+    cowOptions.text = request.url.query.text;
+
+    if (request.url.query.cow) {
+      cowOptions.f = request.url.query.cow;
+    }
+
+    response.writeHead(200, { 'content-type': 'text/plain' });
+    response.write(cowsay.say(cowOptions));
+    response.end();
+  } 
+  else {
+    writeBadRequest(request, response);
+    response.end();
+  }
+}
+
+function processPostRequest(request, response) {
+  parseBody(request, function(err) {
+    if (err || !request.body.text) {
+      writeBadRequest(request, response);
+    } else {
+      let cowOptions = {};
+      cowOptions.text = request.body.text;
+
+      if (request.body.cow) {
+        cowOptions.f = request.body.cow;
+      }
+      response.writeHead(200, { 'content-type': 'text/plain' });
+      response.write(cowsay.say(cowOptions));
+    }
+
+    response.end();
+  });    
+}
+
+function writeBadRequest(request, response) {
+  response.writeHead(400, { 'content-type': 'text/plain' });
+  response.write(cowsay.say({text: 'bad request'}));
+}
+
+function processDefaultRequest(request, response) {
+  response.writeHead(400, { 'content-type': 'text/plain' });
+  response.write('Only GET and POST requests are currently supported.');
+  response.end();
+}
+
+server.listen(PORT, function() {
+  console.log('Listening on port:', PORT);
+});