Added signin route in backend

backend/package-lock.json

@@ -10,9 +10,11 @@
       "license": "ISC",
       "dependencies": {
         "bcrypt": "^5.1.1",
+        "cookie-parser": "^1.4.7",
         "cors": "^2.8.5",
         "dotenv": "^16.4.5",
         "express": "^4.21.1",
+        "jsonwebtoken": "^9.0.2",
         "mongoose": "^8.8.0",
         "socket.io": "^4.8.1",
         "swagger-jsdoc": "^6.2.8",
@@ -324,6 +326,12 @@
         "node": ">=16.20.1"
       }
     },
+    "node_modules/buffer-equal-constant-time": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
+      "integrity": "sha512-zRpUiDwd/xk6ADqPMATG8vc9VPrkck7T07OIx0gnjmJAnHnTVXNQG3vfvWNuiZIkwu9KrKdA1iJKfsfTVxE6NA==",
+      "license": "BSD-3-Clause"
+    },
     "node_modules/bytes": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
@@ -427,6 +435,28 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/cookie-parser": {
+      "version": "1.4.7",
+      "resolved": "https://registry.npmjs.org/cookie-parser/-/cookie-parser-1.4.7.tgz",
+      "integrity": "sha512-nGUvgXnotP3BsjiLX2ypbQnWoGUPIIfHQNZkkC668ntrzGWEZVW70HDEB1qnNGMicPje6EttlIgzo51YSwNQGw==",
+      "license": "MIT",
+      "dependencies": {
+        "cookie": "0.7.2",
+        "cookie-signature": "1.0.6"
+      },
+      "engines": {
+        "node": ">= 0.8.0"
+      }
+    },
+    "node_modules/cookie-parser/node_modules/cookie": {
+      "version": "0.7.2",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.7.2.tgz",
+      "integrity": "sha512-yki5XnKuf750l50uGTllt6kKILY4nQ1eNIQatoXEByZ5dWgnKqbnqmTrBE5B4N7lrMJKQ2ytWMiTO2o0v6Ew/w==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
     "node_modules/cookie-signature": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
@@ -530,6 +560,15 @@
         "url": "https://dotenvx.com"
       }
     },
+    "node_modules/ecdsa-sig-formatter": {
+      "version": "1.0.11",
+      "resolved": "https://registry.npmjs.org/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.11.tgz",
+      "integrity": "sha512-nagl3RYrbNv6kQkeJIpt6NJZy8twLB/2vtz6yN9Z4vRKHN4/QZJIEbqohALSgwKdnksuY3k5Addp5lg8sVoVcQ==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "safe-buffer": "^5.0.1"
+      }
+    },
     "node_modules/ee-first": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
@@ -1013,6 +1052,55 @@
         "js-yaml": "bin/js-yaml.js"
       }
     },
+    "node_modules/jsonwebtoken": {
+      "version": "9.0.2",
+      "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-9.0.2.tgz",
+      "integrity": "sha512-PRp66vJ865SSqOlgqS8hujT5U4AOgMfhrwYIuIhfKaoSCZcirrmASQr8CX7cUg+RMih+hgznrjp99o+W4pJLHQ==",
+      "license": "MIT",
+      "dependencies": {
+        "jws": "^3.2.2",
+        "lodash.includes": "^4.3.0",
+        "lodash.isboolean": "^3.0.3",
+        "lodash.isinteger": "^4.0.4",
+        "lodash.isnumber": "^3.0.3",
+        "lodash.isplainobject": "^4.0.6",
+        "lodash.isstring": "^4.0.1",
+        "lodash.once": "^4.0.0",
+        "ms": "^2.1.1",
+        "semver": "^7.5.4"
+      },
+      "engines": {
+        "node": ">=12",
+        "npm": ">=6"
+      }
+    },
+    "node_modules/jsonwebtoken/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
+      "license": "MIT"
+    },
+    "node_modules/jwa": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/jwa/-/jwa-1.4.1.tgz",
+      "integrity": "sha512-qiLX/xhEEFKUAJ6FiBMbes3w9ATzyk5W7Hvzpa/SLYdxNtng+gcurvrI7TbACjIXlsJyr05/S1oUhZrc63evQA==",
+      "license": "MIT",
+      "dependencies": {
+        "buffer-equal-constant-time": "1.0.1",
+        "ecdsa-sig-formatter": "1.0.11",
+        "safe-buffer": "^5.0.1"
+      }
+    },
+    "node_modules/jws": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/jws/-/jws-3.2.2.tgz",
+      "integrity": "sha512-YHlZCB6lMTllWDtSPHz/ZXTsi8S00usEV6v1tjq8tOUZzw7DpSDWVXjXDre6ed1w/pd495ODpHZYSdkRTsa0HA==",
+      "license": "MIT",
+      "dependencies": {
+        "jwa": "^1.4.1",
+        "safe-buffer": "^5.0.1"
+      }
+    },
     "node_modules/kareem": {
       "version": "2.6.3",
       "resolved": "https://registry.npmjs.org/kareem/-/kareem-2.6.3.tgz",
@@ -1028,18 +1116,60 @@
       "integrity": "sha512-z+Uw/vLuy6gQe8cfaFWD7p0wVv8fJl3mbzXh33RS+0oW2wvUqiRXiQ69gLWSLpgB5/6sU+r6BlQR0MBILadqTQ==",
       "license": "MIT"
     },
+    "node_modules/lodash.includes": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/lodash.includes/-/lodash.includes-4.3.0.tgz",
+      "integrity": "sha512-W3Bx6mdkRTGtlJISOvVD/lbqjTlPPUDTMnlXZFnVwi9NKJ6tiAk6LVdlhZMm17VZisqhKcgzpO5Wz91PCt5b0w==",
+      "license": "MIT"
+    },
+    "node_modules/lodash.isboolean": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/lodash.isboolean/-/lodash.isboolean-3.0.3.tgz",
+      "integrity": "sha512-Bz5mupy2SVbPHURB98VAcw+aHh4vRV5IPNhILUCsOzRmsTmSQ17jIuqopAentWoehktxGd9e/hbIXq980/1QJg==",
+      "license": "MIT"
+    },
     "node_modules/lodash.isequal": {
       "version": "4.5.0",
       "resolved": "https://registry.npmjs.org/lodash.isequal/-/lodash.isequal-4.5.0.tgz",
       "integrity": "sha512-pDo3lu8Jhfjqls6GkMgpahsF9kCyayhgykjyLMNFTKWrpVdAQtYyB4muAMWozBB4ig/dtWAmsMxLEI8wuz+DYQ==",
       "license": "MIT"
     },
+    "node_modules/lodash.isinteger": {
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/lodash.isinteger/-/lodash.isinteger-4.0.4.tgz",
+      "integrity": "sha512-DBwtEWN2caHQ9/imiNeEA5ys1JoRtRfY3d7V9wkqtbycnAmTvRRmbHKDV4a0EYc678/dia0jrte4tjYwVBaZUA==",
+      "license": "MIT"
+    },
+    "node_modules/lodash.isnumber": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/lodash.isnumber/-/lodash.isnumber-3.0.3.tgz",
+      "integrity": "sha512-QYqzpfwO3/CWf3XP+Z+tkQsfaLL/EnUlXWVkIk5FUPc4sBdTehEqZONuyRt2P67PXAk+NXmTBcc97zw9t1FQrw==",
+      "license": "MIT"
+    },
+    "node_modules/lodash.isplainobject": {
+      "version": "4.0.6",
+      "resolved": "https://registry.npmjs.org/lodash.isplainobject/-/lodash.isplainobject-4.0.6.tgz",
+      "integrity": "sha512-oSXzaWypCMHkPC3NvBEaPHf0KsA5mvPrOPgQWDsbg8n7orZ290M0BmC/jgRZ4vcJ6DTAhjrsSYgdsW/F+MFOBA==",
+      "license": "MIT"
+    },
+    "node_modules/lodash.isstring": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/lodash.isstring/-/lodash.isstring-4.0.1.tgz",
+      "integrity": "sha512-0wJxfxH1wgO3GrbuP+dTTk7op+6L41QCXbGINEmD+ny/G/eCqGzxyCsh7159S+mgDDcoarnBw6PC1PS5+wUGgw==",
+      "license": "MIT"
+    },
     "node_modules/lodash.mergewith": {
       "version": "4.6.2",
       "resolved": "https://registry.npmjs.org/lodash.mergewith/-/lodash.mergewith-4.6.2.tgz",
       "integrity": "sha512-GK3g5RPZWTRSeLSpgP8Xhra+pnjBC56q9FZYe1d5RN3TJ35dbkGy3YqBSMbyCrlbi+CM9Z3Jk5yTL7RCsqboyQ==",
       "license": "MIT"
     },
+    "node_modules/lodash.once": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/lodash.once/-/lodash.once-4.1.1.tgz",
+      "integrity": "sha512-Sb487aTOCr9drQVL8pIxOzVhafOjZN9UU54hiN8PU3uAiSV7lx1yYNpbNmex2PK6dSJoNTSJUUswT651yww3Mg==",
+      "license": "MIT"
+    },
     "node_modules/make-dir": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-3.1.0.tgz",

backend/package.json

@@ -13,9 +13,11 @@
   "description": "",
   "dependencies": {
     "bcrypt": "^5.1.1",
+    "cookie-parser": "^1.4.7",
     "cors": "^2.8.5",
     "dotenv": "^16.4.5",
     "express": "^4.21.1",
+    "jsonwebtoken": "^9.0.2",
     "mongoose": "^8.8.0",
     "socket.io": "^4.8.1",
     "swagger-jsdoc": "^6.2.8",

backend/src/config/veriables.js

@@ -4,3 +4,4 @@ dotenv.config();
 export const PORT = Number(process.env.PORT);
 export const DB_URL = process.env.DB_CONNECTION;
 export const SALT = Number(process.env.SALT_ROUNDS);
+export const JWT_PRIVATE = process.env.JWT_PRIVATE;

backend/src/controllers/user.controller.js

@@ -1,4 +1,4 @@
-import { signupService } from "../services/user.service.js";
+import { signinService, signupService } from "../services/user.service.js";
 
 export async function signupController(req, res) {
   try {
@@ -7,22 +7,49 @@ export async function signupController(req, res) {
     res.status(201).json({
       success: true,
       message: "User created successfully",
-            data : user
+      data: user,
-        })
+    });
-    }
+  } catch (err) {
-    catch(err){
     console.log(err);
     if (err.statusCode) {
       res.status(err.statusCode).json({
         success: false,
-                message : err.message
+        message: err.message,
-            })
+      });
-        }
+    } else {
-        else {
       res.status(500).json({
         success: false,
-                message : err.message
+        message: err.message,
-            })
+      });
+    }
+  }
+}
+
+export async function signinController(req, res) {
+  try {
+    const { email, password } = req.body;
+    const { token, userData } = await signinService(email, password);
+    res.cookie("access-token", token, {
+      httpOnly: true,
+      maxAge: 10 * 24 * 60 * 60 * 1000, // 10 days
+    }).status(200).json({
+        success : true,
+        message : "User signedin successfully.",
+        user : userData
+    });
+
+  } catch (err) {
+    console.log(err);
+    if (err.statusCode) {
+      res.status(err.statusCode).json({
+        success: false,
+        message: err.message,
+      });
+    } else {
+      res.status(500).json({
+        success: false,
+        message: err.message,
+      });
     }
   }
 }

backend/src/index.js

@@ -7,6 +7,7 @@ import { connectDB } from './config/dbConfig.js';
 import userRouter from './routes/v1/user.route.js';
 import swaggerDocs from '../swagger.js';
 import swaggerUi from 'swagger-ui-express';
+import cookieParser from "cookie-parser";
 
 
 const app = express();
@@ -20,6 +21,7 @@ const io = new Server(httpServer, {
     }
 })
 
+app.use(cookieParser());
 app.use(cors())
 app.use(express.json())
 app.get("/ping", (_req, res) => {

backend/src/repositories/user.repo.js

@@ -14,3 +14,13 @@ export const createUser = async (username, email, password) => {
         throw err
     }
 }
+
+export async function findUserByEmail(email) {
+    try{
+        const user = await UserModel.findOne({email});
+        return user;
+    }
+    catch(err){
+        throw err;
+    }
+}

backend/src/routes/v1/user.route.js

@@ -1,7 +1,8 @@
 import express from "express";
-import { signupController } from "../../controllers/user.controller.js";
+import { signinController, signupController } from "../../controllers/user.controller.js";
 import validate from "../../validations/validator.js";
 import signupSchema from "../../validations/signupValidation.js";
+import signinSchema from "../../validations/signinValidation.js";
 const userRouter = express.Router();
 
 /**
@@ -39,4 +40,6 @@ userRouter.get("/test", (req, res) => {
  */
 userRouter.post("/signup", validate(signupSchema), signupController);
 
+userRouter.post("/signin", validate(signinSchema), signinController);
+
 export default userRouter;

backend/src/services/user.service.js

@@ -1,6 +1,7 @@
-import { SALT } from "../config/veriables.js";
+import { JWT_PRIVATE, SALT } from "../config/veriables.js";
-import { createUser } from "../repositories/user.repo.js";
+import { createUser, findUserByEmail } from "../repositories/user.repo.js";
 import bcrypt from "bcrypt";
+import jwt from "jsonwebtoken";
 
 export async function signupService(username, email, password) {
   try {
@@ -24,3 +25,35 @@ export async function signupService(username, email, password) {
     }
   }
 }
+
+export async function signinService(email, password) {
+  try{
+    if (email.trim() == "" || password.trim() == "") {
+      throw {
+        statusCode: 400,
+        message: "All fields are required",
+      };
+    }
+
+    const user = await findUserByEmail(email);
+    if (!user){
+      throw {
+        statusCode : 404,
+        message : "User not found."
+      }
+    }
+    if (!bcrypt.compareSync(password, user?.password)){
+      throw {
+        statusCode : 401,
+        message : "Password isn't correct."
+      }
+    }
+
+    const token = jwt.sign({id : user._id}, JWT_PRIVATE);
+    const {password:pass, ...userData} = user._doc;
+    return {token, userData};
+  }
+  catch(err){
+    throw err;
+  }
+}

backend/src/validations/signinValidation.js

@@ -0,0 +1,20 @@
+import { z } from "zod";
+
+const signinSchema = z.object({
+  email: z
+    .string({
+      required_error: "Email is required.",
+    })
+    .min(1, "Email is required.")
+    .max(200, "Email cant be more then 200 charecters.")
+    .email("Invalid email input"),
+
+  password: z
+    .string({
+      required_error: "Password is required",
+    })
+    .min(6, "Password cant be less than 6 charecters")
+    .max(50, "Password cant be more than 50 charecters"),
+});
+
+export default signinSchema;