diff --git a/lib/document_handler.js b/lib/document_handler.js new file mode 100644 index 0000000..cb4331d --- /dev/null +++ b/lib/document_handler.js @@ -0,0 +1,44 @@ +var winston = require('winston'); + +// For handling serving stored documents + +var DocumentHandler = function() { + +}; + +// TODO implement with FS backend +DocumentHandler.documents = {}; + +DocumentHandler.prototype.handleGet = function(key, response) { + if (DocumentHandler.documents[key]) { + winston.verbose('retrieved document', { key: key }); + response.writeHead(200, { 'content-type': 'application/json' }); + response.end(JSON.stringify({ data: DocumentHandler.documents[key] })); + } + else { + winston.warn('document not found', { key: key }); + response.writeHead(400, { 'content-type': 'application/json' }); + response.end(JSON.stringify({ message: 'document not found' })); + } +}; + +DocumentHandler.prototype.handlePost = function(request, response) { + var key = '123'; + request.on('data', function(data) { + if (!DocumentHandler.documents[key]) { + DocumentHandler.documents[key] = ''; + } + DocumentHandler.documents[key] += data.toString(); + }); + request.on('end', function(end) { + winston.verbose('added document', { key: key }); + response.end(JSON.stringify({ uuid: key })); + }); + request.on('error', function(error) { + // TODO handle error + // TODO rename key to uuid everywhere behind the scenes + // TODO finish all TODOs + }); +}; + +module.exports = DocumentHandler; diff --git a/lib/static_handler.js b/lib/static_handler.js new file mode 100644 index 0000000..bff9969 --- /dev/null +++ b/lib/static_handler.js @@ -0,0 +1,53 @@ +var url = require('url'); // TODO not needed +var path = require('path'); +var fs = require('fs'); + +var winston = require('winston'); + +// For serving static assets + +var StaticHandler = function(path) { + this.path = path; + this.defaultPath = '/index.html'; +}; + +// Determine the content type for a given extension +StaticHandler.contentTypeFor = function(ext) { + if (ext == '.js') return 'text/javascript'; + else if (ext == '.css') return 'text/css'; + else if (ext == '.html') return 'text/html'; + else if (ext == '.ico') return 'image/ico'; + else { + winston.error('unable to determine content type for static asset with extension: ' + ext); + return 'text/plain'; + } +}; + +// Handle a request, and serve back the asset if it exists +StaticHandler.prototype.handle = function(request, response) { + var inc = url.parse(request.url, false); + var filePath = this.path + (inc.pathname == '/' ? this.defaultPath : inc.pathname); + path.exists(filePath, function(exists) { + if (exists) { + fs.readFile(filePath, function(error, content) { + if (error) { + winston.error('unable to read file', { path: filePath, error: error.message }); + response.writeHead(500, { 'content-type': 'application/json' }); + response.end(JSON.stringify({ message: 'IO: Unable to read file' })); + } + else { + var contentType = StaticHandler.contentTypeFor(path.extname(filePath)); + response.writeHead(200, { 'content-type': contentType }); + response.end(content, 'utf-8'); + } + }); + } + else { + winston.warn('file not found', { path: filePath }); + response.writeHead(404, { 'content-type': 'application/json' }); + response.end(JSON.stringify({ message: 'file not found' })); + } + }); +}; + +module.exports = StaticHandler; diff --git a/server.js b/server.js index 907a9a7..9a77610 100644 --- a/server.js +++ b/server.js @@ -1,127 +1,40 @@ var http = require('http'); -var fs = require('fs'); -var path = require('path'); var url = require('url'); var winston = require('winston'); +var StaticHandler = require('./lib/static_handler'); +var DocumentHandler = require('./lib/document_handler'); ///////////// -// Configure loggin +// Configure logging TODO winston.remove(winston.transports.Console); winston.add(winston.transports.Console, { colorize: true, level: 'verbose' }); // TODO preparse static instead of using exists -// TODO split into files // TODO only parse url once for static files -////////////// - -var StaticHandler = function(path) { - this.path = path; - this.defaultPath = '/index.html'; -}; - -StaticHandler.contentTypeFor = function(ext) { - if (ext == '.js') return 'text/javascript'; - else if (ext == '.css') return 'text/css'; - else if (ext == '.html') return 'text/html'; - else if (ext == '.ico') return 'image/ico'; - else { - winston.error('unable to determine content type for static asset with extension: ' + ext); - return 'text/plain'; - } -}; - -StaticHandler.prototype.handle = function(request, response) { - var inc = url.parse(request.url, false); - var filePath = this.path + (inc.pathname == '/' ? this.defaultPath : inc.pathname); - path.exists(filePath, function(exists) { - if (exists) { - fs.readFile(filePath, function(error, content) { - if (error) { - winston.error('unable to read file', { path: filePath, error: error.message }); - response.writeHead(500, { 'content-type': 'application/json' }); - response.end(JSON.stringify({ message: 'IO: Unable to read file' })); - } - else { - response.writeHead(200, { 'content-type': StaticHandler.contentTypeFor(path.extname(filePath)) }); - response.end(content, 'utf-8'); - } - }); - } - else { - winston.warn('file not found', { path: filePath }); - response.writeHead(404, { 'content-type': 'application/json' }); - response.end(JSON.stringify({ message: 'file not found' })); - } - }); -}; - -/////////// - -var documents = {}; - -var DocumentHandler = function() { - -}; - -DocumentHandler.prototype.handleGet = function(key, response) { - if (documents[key]) { - winston.verbose('retrieved document', { key: key }); - response.writeHead(200, { 'content-type': 'application/json' }); - response.end(JSON.stringify({ data: documents[key] })); - } - else { - winston.warn('document not found', { key: key }); - response.writeHead(400, { 'content-type': 'application/json' }); - response.end(JSON.stringify({ message: 'document not found' })); - } -}; - -DocumentHandler.prototype.handlePost = function(request, response) { - var key = '123'; - request.on('data', function(data) { - if (!documents[key]) { - documents[key] = ''; - } - documents[key] += data.toString(); - }); - request.on('end', function(end) { - winston.verbose('added document', { key: key }); - response.end(JSON.stringify({ uuid: key })); - }); - request.on('error', function(error) { - // TODO handle error - // TODO rename key to uuid everywhere behind the scenes - // TODO finish all TODOs - }); -}; - -/////////// - +// Set the server up http.createServer(function(request, response) { var incoming = url.parse(request.url, false); var handler = null; - var match; // Looking to add a new doc if (incoming.pathname.match(/^\/documents$/) && request.method == 'POST') { handler = new DocumentHandler(); - handler.handlePost(request, response); + return handler.handlePost(request, response); } // Looking up a doc - else if ((match = incoming.pathname.match(/^\/documents\/([A-Za-z0-9]+)$/)) && request.method == 'GET') { + var match = incoming.pathname.match(/^\/documents\/([A-Za-z0-9]+)$/); + if (request.method == 'GET' && match) { handler = new DocumentHandler(); - handler.handleGet(match[1], response); + return handler.handleGet(match[1], response); } // Otherwise, look for static file - else { - handler = new StaticHandler('./static'); - handler.handle(request, response); - } + handler = new StaticHandler('./static'); + handler.handle(request, response); }).listen(7777);