From 9ade54484defc3ea5e83471a128ec7f45916fa90 Mon Sep 17 00:00:00 2001 From: Nick Asmussen Date: Tue, 25 Jul 2017 17:26:53 -0700 Subject: [PATCH 1/3] builds a http server app with cowsay --- .eslintrc | 21 ++++++++++++++++++ .gitignore | 1 + README.md | 52 +++++--------------------------------------- lib/parse-body.js | 18 ++++++++++++++++ package.json | 24 +++++++++++++++++++++ server.js | 55 +++++++++++++++++++++++++++++++++++++++++++++++ 6 files changed, 124 insertions(+), 47 deletions(-) create mode 100644 .eslintrc create mode 100644 .gitignore create mode 100644 lib/parse-body.js create mode 100644 package.json create mode 100644 server.js diff --git a/.eslintrc b/.eslintrc new file mode 100644 index 0000000..8dc6807 --- /dev/null +++ b/.eslintrc @@ -0,0 +1,21 @@ +{ + "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 + }, + "ecmaFeatures": { + "modules": true, + "experimentalObjectRestSpread": true, + "impliedStrict": true + }, + "extends": "eslint:recommended" +} diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..3c3629e --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +node_modules diff --git a/README.md b/README.md index d3d8a98..953df0f 100644 --- a/README.md +++ b/README.md @@ -1,51 +1,9 @@ -![cf](https://i.imgur.com/7v5ASc8.png) Lab 07: Vanilla HTTP Server -====== +#HTTP Servers - Lab 07 -## Submission Instructions - * fork this repository & create a new branch for your work - * write all of your code in a directory named `lab-` + `` **e.g.** `lab-susan` - * push to your repository - * submit a pull request to this repository - * submit a link to your PR in canvas - * write a question and observation on canvas +###Description: -## Learning Objectives -* students will be able to identify key qualities of the HTTP protocol -* students will be able to implement an HTTP server using the node.js `http` module +This app allows the user to enter text and have that text displayed in the console with an image of a cow. -## Requirements -#### Configuration - -Your lab directory must include -* `.gitignore` -* `.eslintrc` -* `package.json` -* `README.md` +###Launch: -#### Feature Tasks -* create an HTTP Server using the NodeJS `http` module -* create a *custom* body parsing module that is used for parsing the body of all **POST** requests -* for all requests made to `/`, the server should respond with the following: - * a header containing `Content-Type: text/plain` - * a status code of **200** - * a response with the string "hello from my server!" -* for all **GET** requests made to `/cowsay`, the server should respond with the following: - * the query string should have the key value `text=` - * the response header should include `Content-Type: text/plain` - * if the query `text=messsage` is set, respond with: - * a status code of 200 - * a response body that includes the value returned from `cowsay.say({ text: })` - * if the query `text=message` is **not** set, respond with: - * status code = 400 - * a body including the value returned from `cowsay.say({ text: 'bad request' })` -* for all **POST** requests made to `/cowsay`, the server should respond with the following: - * the response header should include `Content-Type: text/plain` - * if the JSON `{text: messsage}` is set in the body, respond with: - * a status code of 200 - * a response body including the value returned from `cowsay.say({ text: })` - * if the JSON `{text: messsage}` is **not** set in the body, respond with: - * a status code of 400 - * a body including the value returned from `cowsay.say({ text: 'bad request' })` - -## Bonus -* **2pts:** add the ability to change the cowfile - **ex: dragon, sheep, etc** _(note: this should be done through the querystring)_ +Run the command `npm run start` in one terminal window to get the server running. Next open a second terminal window to run the app. Enter teh command `http :[port number]` followed by the string you wish to print. diff --git a/lib/parse-body.js b/lib/parse-body.js new file mode 100644 index 0000000..d5b5766 --- /dev/null +++ b/lib/parse-body.js @@ -0,0 +1,18 @@ +'use strict'; + +module.exports = function(req, callback) { + req.body = ''; + + req.on('data', function(data) { + req.body += data.toString(); + }); + + req.on('end', function() { + try { + req.body = JSON.parse(req.body); + callback(null, req.body); + } catch (err) { + callback(err); + } + }); +}; diff --git a/package.json b/package.json new file mode 100644 index 0000000..f8e04ce --- /dev/null +++ b/package.json @@ -0,0 +1,24 @@ +{ + "name": "07-http_servers", + "version": "1.0.0", + "description": "![cf](https://i.imgur.com/7v5ASc8.png) Lab 07: Vanilla HTTP Server ======", + "main": "server.js", + "scripts": { + "test": "echo \"Error: no test specified\" && exit 1", + "start": "node server.js" + }, + "repository": { + "type": "git", + "url": "git+https://github.com/codefellows-javascript-401d17/07-http_servers.git" + }, + "keywords": [], + "author": "", + "license": "ISC", + "bugs": { + "url": "https://github.com/codefellows-javascript-401d17/07-http_servers/issues" + }, + "homepage": "https://github.com/codefellows-javascript-401d17/07-http_servers#readme", + "dependencies": { + "cowsay": "^1.1.9" + } +} diff --git a/server.js b/server.js new file mode 100644 index 0000000..ac45813 --- /dev/null +++ b/server.js @@ -0,0 +1,55 @@ +'use strict'; + +const http = require('http'); +const url = require('url'); +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(req, res){ + req.url = url.parse(req.url); + req.url.query = querystring.parse(req.url.query); + + if(req.url.pathname === '/') { + res.writeHead(200, { + 'Content-Type': 'text/plain' + }); + res.write('hello from my server'); + } + + if(req.method === 'GET' && req.url.pathname === '/cowsay') { + let params = req.url.query; + if(params.text) { + res.writeHead(200, { + 'Content-Type': 'text/plain' + }); + res.write(cowsay.say({ text: params.text })); + } else { + res.writeHead(400); + res.write(cowsay.say({ text: 'bad request' })); + } + } + + if(req.method === 'POST' && req.url.pathname === '/cowsay') { + parseBody(req, function(err) { + if(req.body.text) { + if(err) return console.error(err); + res.writeHead(200, { + 'Content-Type': 'text/plain' + }); + res.write(cowsay.say({ text: req.body.text })); + } else { + res.writeHead(400); + res.write(cowsay.say({ text: 'bad request' })); + } + res.end(); + }); + } else { + res.end(); + } +}); + +server.listen(PORT, function(){ + console.log('server up:', PORT); +}); From 116bd564767c3fe3a54eccd0e233454f86186a01 Mon Sep 17 00:00:00 2001 From: Nick Asmussen Date: Tue, 25 Jul 2017 17:28:52 -0700 Subject: [PATCH 2/3] formats readme --- README.md | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/README.md b/README.md index 953df0f..6f0d0fd 100644 --- a/README.md +++ b/README.md @@ -1,9 +1,9 @@ -#HTTP Servers - Lab 07 +# HTTP Servers - Lab 07 -###Description: +### Description: This app allows the user to enter text and have that text displayed in the console with an image of a cow. -###Launch: +### Launch: Run the command `npm run start` in one terminal window to get the server running. Next open a second terminal window to run the app. Enter teh command `http :[port number]` followed by the string you wish to print. From b045faccdd0fdb6cff3c5b0391a8e82020c1fcbb Mon Sep 17 00:00:00 2001 From: Nick Asmussen Date: Tue, 25 Jul 2017 17:31:30 -0700 Subject: [PATCH 3/3] fixes readme --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index 6f0d0fd..641436c 100644 --- a/README.md +++ b/README.md @@ -6,4 +6,4 @@ This app allows the user to enter text and have that text displayed in the conso ### Launch: -Run the command `npm run start` in one terminal window to get the server running. Next open a second terminal window to run the app. Enter teh command `http :[port number]` followed by the string you wish to print. +Run the command `npm run start` in one terminal window to get the server running. Next open a second terminal window to run the app. Enter the command `http :[port number] text==` followed by the string you wish to print. To make a post to enter the same command about with only one `=`.