83 lines
2.2 KiB
JavaScript
83 lines
2.2 KiB
JavaScript
const jwt = require('jsonwebtoken');
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const { defaultDangerKey } = require('../routes/auth/authSettings');
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const defineProject = require('../models/projects');
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const { DataTypes } = require('sequelize');
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function authMiddleware(sequelize) {
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/**
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* Verify user sined in
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*
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* If verification is successful, set userId in req.userId.
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*/
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function verifySignedIn(req, res, next) {
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const authHeader = req.header('Authorization');
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const secretKey = process.env.SECRET_KEY || defaultDangerKey;
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const token = authHeader.split(' ')[1]; // delete 'Bearer '
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if (!token) {
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return res.status(401).json({ error: 'Access denied' });
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}
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try {
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const decoded = jwt.verify(token, secretKey);
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req.userId = decoded.userId;
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next();
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} catch (error) {
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res.status(401).json({ error: 'Invalid token' });
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}
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}
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/**
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* Verify user can access project
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* (have to be called after verifySignedIn() middleware)
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*/
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async function verifyProjectVisible(req, res, next) {
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const Project = defineProject(sequelize, DataTypes);
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const projectId = req.params.projectId;
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if (!projectId) {
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return res.status(400).json({ error: 'projectId is required' });
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}
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const project = await Project.findByPk(projectId);
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if (!project) {
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return res.status(404).send('Project not found');
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}
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// if project is private, only project owner can access
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if (!project.isPublic && project.userId !== req.userId) {
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return res.status(403).json({ error: 'Forbidden' });
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}
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next();
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}
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/**
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* Verify user has project
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* (have to be called after verifySignedIn() middleware)
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*/
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async function verifyProjectOwner(req, res, next) {
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const Project = defineProject(sequelize, DataTypes);
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const projectId = req.params.projectId;
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if (!projectId) {
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return res.status(400).json({ error: 'projectId is required' });
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}
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const project = await Project.findByPk(projectId);
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if (!project) {
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return res.status(404).send('Project not found');
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}
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if (project.userId !== req.userId) {
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return res.status(403).json({ error: 'Forbidden' });
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}
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next();
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}
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return { verifySignedIn, verifyProjectVisible, verifyProjectOwner };
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}
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module.exports = authMiddleware;
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