From 1a54314dd0e19af554a3369aad892637bb72503b Mon Sep 17 00:00:00 2001 From: pavan3008 Date: Sat, 20 May 2023 15:31:08 -0700 Subject: [PATCH 1/3] Added Google verification --- .github/workflows/PULL_REQUEST_TEMPLATE.md | 20 + .gitignore | 2 + Users.js | 96 ++++ index.js | 59 ++ package-lock.json | 633 +++++++++++++++++++++ package.json | 25 + 6 files changed, 835 insertions(+) create mode 100644 .github/workflows/PULL_REQUEST_TEMPLATE.md create mode 100644 .gitignore create mode 100644 Users.js create mode 100644 index.js create mode 100644 package-lock.json create mode 100644 package.json diff --git a/.github/workflows/PULL_REQUEST_TEMPLATE.md b/.github/workflows/PULL_REQUEST_TEMPLATE.md new file mode 100644 index 0000000..18c5cd3 --- /dev/null +++ b/.github/workflows/PULL_REQUEST_TEMPLATE.md @@ -0,0 +1,20 @@ +# Proposed Changes + +Please include a summary of the changes and the related issue. Please also include relevant motivation and context. List any dependencies that are required for this change. +|Before|After| +|---|---| +||| + +# Jira Stories + +- [LAB-xxx](https://oregonstate-innovationlab.atlassian.net/browse/LAB-xxx) + +# Checklist + +- [ ] This has been tested +- [ ] Self-documenting code +- [ ] Code is linted + +# Instructions to review + +Tell me what to do \ No newline at end of file diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..13dfa36 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +.env +node_modules/ \ No newline at end of file diff --git a/Users.js b/Users.js new file mode 100644 index 0000000..ba8c953 --- /dev/null +++ b/Users.js @@ -0,0 +1,96 @@ +const AWS = require('aws-sdk'); +const dynamodb = new AWS.DynamoDB.DocumentClient(); +const DYNAMODB_TABLE_NAME = "trips"; + +require('dotenv').config(); +const clientId= process.env.CLIENT_ID; + +const { OAuth2Client } = require('google-auth-library'); + +const client = new OAuth2Client(clientId); + +async function verifyToken(idToken) { + try { + const ticket = await client.verifyIdToken({ + idToken: idToken, + audience: clientId, + }); + const payload = ticket.getPayload(); + const userInfo = { + name: payload.name, + email: payload.email, + picture: payload.picture, + sub: payload.sub + }; + + const userId = userInfo.sub; + const params = { + TableName: DYNAMODB_TABLE_NAME, + Key: { + 'PK': `User${userId}`, + 'SK': `User${userId}` + } + }; + const result = await dynamodb.get(params).promise(); + + // Check if user already exists in the system + if (!result.Item) { + // Add user to the system + const user = { + username: userInfo.name, + email: userInfo.email + }; + const putParams = { + TableName: DYNAMODB_TABLE_NAME, + Item: { + 'PK': `User${userId}`, + 'SK': `User${userId}`, + 'user_data': { + 'username': user.username, + 'email': user.email + } + } + }; + await dynamodb.put(putParams).promise(); + } + + return userInfo; + } catch (error) { + console.error('Error verifying Google ID token:', error); + throw new Error('Invalid Google ID token'); + } +} + +async function getUserInfoById(userId) { + try { + const params = { + TableName: DYNAMODB_TABLE_NAME, + Key: { + 'PK': `User${userId}`, + 'SK': `User${userId}` + } + }; + + const result = await dynamodb.get(params).promise(); + + if (result.Item) { + const userData = result.Item.user_data; + const userInfo = { + userId: userId, + username: userData.username, + email: userData.email + }; + return userInfo; + } else { + throw new Error('User not found'); + } + } catch (error) { + console.error('Error retrieving user information:', error); + throw new Error('Failed to retrieve user information'); + } +} + +module.exports = { + verifyToken, + getUserInfoById +}; diff --git a/index.js b/index.js new file mode 100644 index 0000000..7a984ae --- /dev/null +++ b/index.js @@ -0,0 +1,59 @@ +const { verifyToken, getUserInfoById } = require('./Users'); + +exports.handler = async (event, context) => { + let responseHeaders = { + 'Access-Control-Allow-Origin': '*', + 'Access-Control-Allow-Headers': 'Content-Type,X-Amz-Date,Authorization,X-Api-Key,X-Amz-Security-Token', + 'Access-Control-Allow-Methods': 'DELETE,GET,HEAD,OPTIONS,PATCH,POST,PUT', + }; + + try { + const httpMethod = event.httpMethod.toUpperCase(); + const path = event.path; + const body = JSON.parse(event.body); + + switch (httpMethod) { + case 'POST': + if (path === '/verifyToken') { + const { idToken } = body; + const userInfo = await verifyToken(idToken); + return { + statusCode: 200, + body: JSON.stringify({ message: 'Token verified successfully', userInfo }), + headers: responseHeaders, + }; + } + break; + case 'GET': + if (path === '/getUserInfo') { + const userId = event.requestContext.authorizer.principalId; + const userInfo = await getUserInfoById(userId); + return { + statusCode: 200, + body: JSON.stringify({ message: 'User info retrieved successfully', userInfo }), + headers: responseHeaders, + }; + } + break; + + default: + return { + statusCode: 404, + body: JSON.stringify({ message: 'Not Found' }), + headers: responseHeaders, + }; + } + + return { + statusCode: 404, + body: JSON.stringify({ message: 'Not Found' }), + headers: responseHeaders, + }; + } catch (err) { + return { + statusCode: 500, + body: JSON.stringify({ message: 'Internal Server Error' }), + headers: responseHeaders, + }; + } +}; diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..ce7bf2d --- /dev/null +++ b/package-lock.json @@ -0,0 +1,633 @@ +{ + "name": "newlambda", + "version": "1.0.0", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "name": "newlambda", + "version": "1.0.0", + "license": "ISC", + "dependencies": { + "aws-sdk": "^2.1379.0", + "dotenv": "^16.0.3", + "google-auth-library": "^8.8.0" + } + }, + "node_modules/agent-base": { + "version": "6.0.2", + "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.2.tgz", + "integrity": 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Google Sign-In tokens and retrieves user information", + "main": "index.js", + "scripts": { + "test": "node index.js" + }, + "author": "Pavan Nallagoni", + "license": "MIT", + "dependencies": { + "aws-sdk": "^2.1379.0", + "dotenv": "^16.0.3", + "google-auth-library": "^8.8.0" + }, + "devDependencies": {}, + "repository": { + "type": "git", + "url": "git+https://github.com/pavan3008/GoogleSignInVerification.git" + }, + "bugs": { + "url": "https://github.com/pavan3008/GoogleSignInVerification/issues" + }, + "homepage": "https://github.com/pavan3008/GoogleSignInVerification#readme" +} From 985baee3d21f1e250a74e36bed2032f6cb16eba0 Mon Sep 17 00:00:00 2001 From: pavan3008 Date: Sat, 20 May 2023 15:33:59 -0700 Subject: [PATCH 2/3] Updated README.md --- README.md | 31 ++++++++++++++++++++++++++++++- 1 file changed, 30 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index 98595a7..760d207 100644 --- a/README.md +++ b/README.md @@ -1 +1,30 @@ -# GoogleSignInVerification \ No newline at end of file +# Google Sign-In Verification + +This repository contains code for an API endpoint that verifies Google Sign-In tokens and retrieves user information. It can be integrated with a SwiftUI front-end application. + +## Usage + +The code provided in this repository implements an AWS Lambda function that serves as an API endpoint for verifying Google Sign-In tokens and retrieving user information. The API supports the following operations: + +- `POST /verifyToken`: Verifies a Google Sign-In token provided in the request body and returns the user information if the token is valid. +- `GET /getUserInfo`: Retrieves user information based on the authenticated user's ID. This operation requires authentication. + +To use this code, follow these steps: + +1. Clone the repository: +`https://github.com/pavan3008/GoogleSignInVerification` + +2. Install the required dependencies: +`npm install` + +3. Configure the necessary environment variables, such as the CLIENT_ID, by updating the `.env` file. + +4. Deploy the Lambda function to your AWS account using your preferred deployment method. + +## Contributing + +Contributions to this repository are welcome. If you encounter any issues or have suggestions for improvements, please open an issue or submit a pull request. + +## License + +This project is licensed under the MIT License. \ No newline at end of file From 33e2660f14b6344ab665134c18719bcbe08223d5 Mon Sep 17 00:00:00 2001 From: pavan3008 Date: Sat, 20 May 2023 15:52:23 -0700 Subject: [PATCH 3/3] Added table name in .env --- README.md | 2 +- Users.js | 8 ++++---- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/README.md b/README.md index 760d207..b753459 100644 --- a/README.md +++ b/README.md @@ -1,6 +1,6 @@ # Google Sign-In Verification -This repository contains code for an API endpoint that verifies Google Sign-In tokens and retrieves user information. It can be integrated with a SwiftUI front-end application. +A Lambda function that verifies Google Sign-In tokens and retrieves user information. It can be integrated with a SwiftUI front-end application. ## Usage diff --git a/Users.js b/Users.js index ba8c953..01526dd 100644 --- a/Users.js +++ b/Users.js @@ -1,6 +1,6 @@ const AWS = require('aws-sdk'); const dynamodb = new AWS.DynamoDB.DocumentClient(); -const DYNAMODB_TABLE_NAME = "trips"; +const tableName = process.env.DYNAMODB_TABLE_NAME; require('dotenv').config(); const clientId= process.env.CLIENT_ID; @@ -25,7 +25,7 @@ async function verifyToken(idToken) { const userId = userInfo.sub; const params = { - TableName: DYNAMODB_TABLE_NAME, + TableName: tableName, Key: { 'PK': `User${userId}`, 'SK': `User${userId}` @@ -41,7 +41,7 @@ async function verifyToken(idToken) { email: userInfo.email }; const putParams = { - TableName: DYNAMODB_TABLE_NAME, + TableName: tableName, Item: { 'PK': `User${userId}`, 'SK': `User${userId}`, @@ -64,7 +64,7 @@ async function verifyToken(idToken) { async function getUserInfoById(userId) { try { const params = { - TableName: DYNAMODB_TABLE_NAME, + TableName: tableName, Key: { 'PK': `User${userId}`, 'SK': `User${userId}`