Adds in data storage to file system

Author: ashr81

Section 3/app/config.js

@@ -0,0 +1,19 @@
+const environments = {}
+
+environments.staging = {
+  httpPort: 3000,
+  httpsPort: 3001,
+  envName: 'staging'
+};
+
+environments.production = {
+  httpPort: 5000,
+  httpsPort: 5001,
+  'envName': 'production'
+}
+
+var currentEnvironment = typeof(process.env.NODE_ENV) === 'string' ? process.env.NODE_ENV.toLowerCase() : '';
+
+var environmentToExport = typeof(environments[currentEnvironment]) == 'object' ? environments[currentEnvironment] : environments.staging;
+
+module.exports = environmentToExport;

Section 3/app/https/cert.pem

@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----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+6ZmVm898/XhSP67bY+7jSS/L3dPy1Vkgi5erN7y5S/hriBTC3QfmN/8f4ljOBe+a
+FwOLa1wUBckoo3dnIQdSqaURNQempoiuhpc0q4nfXjaJjQC1SzOu1NGetgAYTWbw
+nIO31RGaoljVCo06r6z7L9kl5Q3X7nWjRzkaTfZqMrBeMcbmglOQ/MPdAoF1mFPf
+s9F07Drx1ul8kvCa+9ovDIKOFfdMUFzi6fKn2vrvVEhKscRefu/QZqP4wwcYVUHp
+yLN4g3ZFIaimzsy+BzMhdwhgoXIBiUEYtmZzIO5f+WZ7tHtpZJ0=
+-----END CERTIFICATE-----

Section 3/app/https/key.pem

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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+PjqyphYVULmz9zPcvTFDo3cihZg0qE2DoI0AzeAeYG4vpMbEHVIr9u7WZwe6uvhQ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+-----END PRIVATE KEY-----

Section 3/app/index.js

@@ -1,8 +1,11 @@
 const http = require("http");
+const https = require("https");
 var url = require("url");
 const StringDecoder = require("string_decoder").StringDecoder
+var config = require('./config');
+var fs = require('fs');
 
-const server = http.createServer(function(req, res) {
+const unifiedServer = function(req, res) {
   const { 
     pathname: path,
     query: queryStringObj
@@ -30,6 +33,7 @@ const server = http.createServer(function(req, res) {
       statusCode = typeof(statusCode) == 'number' ? statusCode : 200;
       payload = typeof(payload) == 'object' ? payload : {};
       var payloadString = JSON.stringify(payload)
+      res.setHeader('Content-type', 'application/json');
       res.writeHead(statusCode)
       res.end(payloadString)
       console.log(`request received on path: ${trimmedPath}
@@ -39,24 +43,40 @@ const server = http.createServer(function(req, res) {
       ${statusCode} and payload: ${payloadString}`);
     })
   })
+}
+
+const httpServer = http.createServer(unifiedServer)
+
+httpServer.listen(config.httpPort, function() {
+  console.log(`Server is listening on port ${config.httpPort} in ${config.envName} mode.`)
 })
+const httpsServerOptions = {
+  key: fs.readFileSync('./https/key.pem'),
+  cert: fs.readFileSync('./https/cert.pem')
+}
+const httpsServer = https.createServer(httpsServerOptions, unifiedServer)
 
-server.listen(3000, function() {
-  console.log("Server is listening on port 3000 now.")
+httpsServer.listen(config.httpsPort, function() {
+  console.log(`Server is listening on port ${config.httpsPort} in ${config.envName} mode.`)
 })
 
 // Define handlers
 const handlers = {}
 
-handlers.sample = function(data, callback) {
-  callback(406, { name: 'Sample Handler' })
+handlers.ping = function(data, callback) {
+  callback(200)
+}
+
+handlers.hello = function(data, callback) {
+  callback(200, {message: `Welcome: ${data.queryStringObj.name ? data.queryStringObj.name : 'Home'}`})
 }
 
 // Not Found Handler
-handlers.notFound = function(data, callback) {
+handlers.notFound = function(_data, callback) {
   callback(404);
 }
 // Defining request router
 const router = {
-  'sample': handlers.sample
+  'ping': handlers.ping,
+  'hello': handlers.hello
 }

Section 3/app/lib/data.js

@@ -0,0 +1,79 @@
+// Storing and editing data.
+
+var fs = require('fs');
+var path = require('path');
+
+var lib = {}
+
+// Base Directory
+lib.baseDir = path.join(__dirname, '../.data/')
+lib.create = function(dir, file, data, callback) {
+  fs.open(lib.baseDir+dir+'/'+file+'.json', 'wx', function(err, fileDescriptor) {
+    if(!err && fileDescriptor) {
+      var stringData = JSON.stringify(data)
+      // write to file and close it.
+      fs.writeFile(fileDescriptor, stringData, function(err) {
+        if(!err) {
+          fs.close(fileDescriptor, function(err) {
+            if(!err) {
+              callback(false)
+            } else {
+              callback('Error closing new file.')
+            }
+          })
+        } else {
+          callback('Error writing to file.')
+        }
+      })
+    } else {
+      callback('Could not create new file. it may already exist.')
+    }
+  })
+}
+
+lib.read = function(dir, file, callback) {
+  fs.readFile(lib.baseDir+dir+'/'+file+'.json', 'utf8', function(err, data) {
+    callback(err, data)
+  })
+}
+
+lib.update = function(dir, file, data, callback) {
+  fs.open(lib.baseDir+dir+'/'+file+'.json', 'r+', function(err, fileDescriptor) {
+    if(!err && fileDescriptor) {
+      var stringData = JSON.stringify(data)
+      fs.ftruncate(fileDescriptor, function(err) {
+        if(!err) {
+          fs.writeFile(fileDescriptor, stringData, function(err) {
+            if(!err) {
+              fs.close(fileDescriptor, function(err) {
+                if(!err) {
+                  callback(false)
+                } else {
+                  callback('Error closing the file.')
+                }
+              })
+            } else {
+              callback('Error writing to file.')
+            }
+          })
+        } else {
+          callback('Error truncation file.')
+        }
+      })
+    } else {
+      callback('Could not open the file to update.')
+    }
+  })
+}
+
+lib.delete = function(dir, file, callback) {
+  fs.unlink(lib.baseDir+dir+"/"+file+'.json', function(err) {
+    if(!err) {
+      callback(false)
+    } else {
+      callback('Trouble delinking the file.')
+    }
+  })
+}
+
+module.exports = lib;