diff --git a/02-nodejs/authenticationServer.js b/02-nodejs/authenticationServer.js index c5278b94..f184a240 100644 --- a/02-nodejs/authenticationServer.js +++ b/02-nodejs/authenticationServer.js @@ -30,8 +30,89 @@ */ const express = require("express") +const bodyParser = require("body-parser") const PORT = 3000; const app = express(); // write your logic here, DONT WRITE app.listen(3000) when you're running tests, the tests will automatically start the server +const users = []; + +app.use(bodyParser.json()); + +app.get("/", (req, res) => { + res.send("Authentication Server"); +}); + +app.post("/signup", (req, res) => { + const id = users.length === 0 ? 1 : users[users.length - 1].id + 1; + if (users.some((user) => user.username === req.body.username)) { + res.status(400).send("Username already exists!"); + } else { + users.push({ + id: id, + username: req.body.username, + password: req.body.password, + firstName: req.body.firstName, + lastName: req.body.lastName, + email: req.body.email + }); + res.status(201).send("Signup successful"); + } +}); + +const isValidUser = (username, password, sendUser = false) => { + const userIdx = users.findIndex((user) => { + if (user.username === username && user.password === password) { + return true; + } + return false; + }); + + if (userIdx != -1) { + if (sendUser) { + return users[userIdx]; + } else { + return true; + } + } else { + return false; + } +}; + +app.post("/login", (req, res) => { + const username = req.body.username; + const password = req.body.password; + + const currentUser = isValidUser(username, password, true); + + if (currentUser) { + res.status(200).send({ + id: currentUser.id, + email: currentUser.email, + firstName: currentUser.firstName, + lastName: currentUser.lastName + }); + } else { + res.status(401).send("Invalid username or password"); + } +}); + +app.get("/data", (req, res) => { + const username = req.headers.username; + const password = req.headers.password; + if (isValidUser(username, password)) { + res.send({ users }); + } else { + res.status(401).send("Unauthorized"); + } +}); + +app.all("*", (req, res) => { + res.status(404).send("Route not found"); +}); + +app.listen(PORT, () => { + console.log("Listening on", PORT); +}); + module.exports = app; diff --git a/02-nodejs/fileServer.js b/02-nodejs/fileServer.js index 82e7719b..67d099b8 100644 --- a/02-nodejs/fileServer.js +++ b/02-nodejs/fileServer.js @@ -21,5 +21,39 @@ const fs = require('fs'); const path = require('path'); const app = express(); +const port = 3000; + +app.get("/", (req, res) => { + res.send("File Server"); +}); + +app.get("/files", (req, res) => { + fs.readdir(__dirname + "/files", (err, files) => { + if (err) { + res.status(500).send("/files not found"); + } else { + res.status(200).send(files); + } + }); +}); + +app.get("/file/:filename", (req, res) => { + const filePath = __dirname + `/files/${req.params.filename}`; + fs.readFile(filePath, "utf-8", (err, content) => { + if (err) { + res.status(404).send("File not found"); + } else { + res.status(200).send(content); + } + }); +}); + +app.all("*", (req, res) => { + res.status(404).send("Route not found"); +}); + +app.listen(port, () => { + console.log("listening on port", port); +}); module.exports = app; diff --git a/02-nodejs/index.html b/02-nodejs/index.html new file mode 100644 index 00000000..42c35455 --- /dev/null +++ b/02-nodejs/index.html @@ -0,0 +1,24 @@ + + + TODO App + + + + Todo Title +

+ Todo Description +

+ + + diff --git a/02-nodejs/package-lock.json b/02-nodejs/package-lock.json index b13088b7..c04e8a36 100644 --- a/02-nodejs/package-lock.json +++ b/02-nodejs/package-lock.json @@ -9,6 +9,7 @@ "version": "1.0.0", "license": "ISC", "dependencies": { + "cors": "^2.8.5", "express": "^4.18.2", "uuid": "^9.0.0" }, @@ -31,17 +32,89 @@ } }, "node_modules/@babel/code-frame": { - "version": "7.21.4", - "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.21.4.tgz", - "integrity": "sha512-LYvhNKfwWSPpocw8GI7gpK2nq3HSDuEPC/uSYaALSJu9xjsalaaYFOq0Pwt5KmVqwEbZlDu81aLXwBOmD/Fv9g==", + "version": "7.23.4", + "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.23.4.tgz", + "integrity": "sha512-r1IONyb6Ia+jYR2vvIDhdWdlTGhqbBoFqLTQidzZ4kepUFH15ejXvFHxCVbtl7BOXIudsIubf4E81xeA3h3IXA==", "dev": true, "dependencies": { - "@babel/highlight": "^7.18.6" + "@babel/highlight": "^7.23.4", + "chalk": "^2.4.2" }, "engines": { "node": ">=6.9.0" } }, + "node_modules/@babel/code-frame/node_modules/ansi-styles": { + "version": "3.2.1", + "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz", + "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==", + "dev": true, + "dependencies": { + "color-convert": "^1.9.0" + }, + "engines": { + "node": ">=4" + } + }, + "node_modules/@babel/code-frame/node_modules/chalk": { + "version": "2.4.2", + "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz", + "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==", + "dev": true, + "dependencies": { + "ansi-styles": "^3.2.1", + "escape-string-regexp": "^1.0.5", + "supports-color": "^5.3.0" + }, + "engines": { + "node": ">=4" + } + }, + "node_modules/@babel/code-frame/node_modules/color-convert": { + "version": "1.9.3", + "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz", + "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==", + "dev": true, + "dependencies": { + "color-name": "1.1.3" + } + }, + "node_modules/@babel/code-frame/node_modules/color-name": { + "version": "1.1.3", + "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz", + "integrity": "sha512-72fSenhMw2HZMTVHeCA9KCmpEIbzWiQsjN+BHcBbS9vr1mtt+vJjPdksIBNUmKAW8TFUDPJK5SUU3QhE9NEXDw==", + "dev": true + }, + "node_modules/@babel/code-frame/node_modules/escape-string-regexp": { + "version": "1.0.5", + "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz", + "integrity": "sha512-vbRorB5FUQWvla16U8R/qgaFIya2qGzwDrNmCZuYKrbdSUMG6I1ZCGQRefkRVhuOkIGVne7BQ35DSfo1qvJqFg==", + "dev": true, + "engines": { + "node": ">=0.8.0" + } + }, + "node_modules/@babel/code-frame/node_modules/has-flag": { + "version": "3.0.0", + "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz", + "integrity": "sha512-sKJf1+ceQBr4SMkvQnBDNDtf4TXpVhVGateu0t918bl30FnbE2m4vNLX+VWe/dpjlb+HugGYzW7uQXH98HPEYw==", + "dev": true, + "engines": { + "node": ">=4" + } + }, + "node_modules/@babel/code-frame/node_modules/supports-color": { + "version": "5.5.0", + "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz", + "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==", + "dev": true, + "dependencies": { + "has-flag": "^3.0.0" + }, + "engines": { + "node": ">=4" + } + }, "node_modules/@babel/compat-data": { "version": "7.22.3", "resolved": "https://registry.npmjs.org/@babel/compat-data/-/compat-data-7.22.3.tgz", @@ -88,12 +161,12 @@ "dev": true }, "node_modules/@babel/generator": { - 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"test-fileServer": "./node_modules/jest/bin/jest.js ./tests/fileServer.test.js", - "test-todoServer": "./node_modules/jest/bin/jest.js ./tests/todoServer.test.js", - "test-authenticationServer": "./node_modules/jest/bin/jest.js ./tests/authenticationServer.test.js", - "test-all": "./node_modules/jest/bin/jest.js ./tests/" + "test-fileServer": "jest ./tests/fileServer.test.js", + "test-todoServer": "jest ./tests/todoServer.test.js", + "test-authenticationServer": "jest ./tests/authenticationServer.test.js", + "test-all": "jest ./tests/" }, "keywords": [], "author": "", @@ -21,6 +21,7 @@ "testTimeout": 10000 }, "dependencies": { + "cors": "^2.8.5", "express": "^4.18.2", "uuid": "^9.0.0" } diff --git a/02-nodejs/todoServer.js b/02-nodejs/todoServer.js index cffc7d60..d77ea1b3 100644 --- a/02-nodejs/todoServer.js +++ b/02-nodejs/todoServer.js @@ -41,9 +41,136 @@ */ const express = require('express'); const bodyParser = require('body-parser'); +const fs = require('fs'); +const cors = require('cors'); // for external requests + +const port = 3000; const app = express(); app.use(bodyParser.json()); +app.use(cors()); + +app.get("/", (req, res) => { + res.sendFile(__dirname + "/index.html"); +}); + +let todos = []; + +const updateTodos = () => { + fs.writeFile("todos.json", JSON.stringify(todos), (err) => { if (err) throw err }); +} + +app.use((req, res, next) => { + fs.readFile("todos.json", "utf-8", (err, data) => { + if (err) { + throw err; + } + todos = JSON.parse(data); + next(); + }); +}) + +app.get("/todos", (req, res) => { + res.status(200).send(todos); +}); + +const findTodo = (id) => { + const todo = todos.find((todo) => todo.id == id); + return todo || -1; +}; + +const getId = (idParam) => { + const id = parseInt(idParam, 10); + if (isNaN(id)) { + return -1; + } else { + return id; + } +}; + +app.get("/todos/:id", (req, res) => { + const id = getId(req.params.id); + if (id === -1) { + res.status(404).send(`Error: invalid ID ${req.params.id}.`); + } else { + const todo = findTodo(id); + if (todo !== -1) { + res.status(200).send(todo); + } else { + res.status(404).send(`Error: ID not found.`); + } + } +}); + +app.post("/todos", (req, res) => { + const title = req.body.title; + const desc = req.body.description; + const comp = req.body.completed; + if (!title && !desc) { + res.status(404).send(`Error: Todo not found.`) + } else { + const id = todos.length === 0 ? 1 : todos[todos.length - 1].id + 1; + todos.push({ + id: id, + title: title, + description: desc, + completed: !!comp + }); + updateTodos(); + res.status(201).send({ + id: id + }); + } +}); + +app.put("/todos/:id", (req, res) => { + const id = getId(req.params.id); + if (id === -1) { + res.status(404).send(`Error: invalid ID ${req.params.id}.`); + } else { + const idx = todos.findIndex((todo) => todo.id == id); + if (idx !== -1) { + const title = req.body.title; + const desc = req.body.description; + const comp = req.body.completed; + todos[idx] = { + id: id, + title: title, + description: desc, + completed: !!comp + }; + updateTodos(); + res.status(200).send(`ID ${id} updated.`); + } else { + res.status(404).send(`Error: ID not found.`); + } + } +}); + +app.delete("/todos/:id", (req, res) => { + const id = getId(req.params.id); + if (id === -1) { + res.status(404).send(`Error: invalid ID ${req.params.id}.`); + } else { + const idx = todos.findIndex((todo) => todo.id == id); + if (idx !== -1) { + todos.splice(idx, 1); + updateTodos(); + res.status(200).send(`ID ${id} deleted.`); + } else { + res.status(404).send(`Error: ID not found.`); + } + } +}); + +app.all("*", (req, res) => { + res.status(404).send("Error PAGE NOT FOUND.") +}) + +//Comment listen when running test +app.listen(port, () => { + console.log("Listening on ", port); +}); module.exports = app; diff --git a/02-nodejs/todos.json b/02-nodejs/todos.json new file mode 100644 index 00000000..0637a088 --- /dev/null +++ b/02-nodejs/todos.json @@ -0,0 +1 @@ +[] \ No newline at end of file