File size: 3,396 Bytes
e3eb984
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
import { Request, Response, NextFunction } from 'express'
import jwt from 'jsonwebtoken'
import { prisma } from '../config/database'

export interface AuthRequest extends Request {
  // Use a loose type here to avoid dependency on generated Prisma types
  user?: any
}

export const authMiddleware = async (
  req: AuthRequest,
  res: Response,
  next: NextFunction
) => {
  try {
    const authHeader = req.headers.authorization
    
    if (!authHeader || !authHeader.startsWith('Bearer ')) {
      return res.status(401).json({
        success: false,
        error: 'Access token required'
      })
    }

    const token = authHeader.substring(7) // Remove 'Bearer ' prefix
    
    if (!token) {
      return res.status(401).json({
        success: false,
        error: 'Access token required'
      })
    }

    // Verify JWT token
    const decoded = jwt.verify(token, process.env.JWT_SECRET!) as { userId: string }
    
    // Get user from database
    const user = await prisma.user.findUnique({
      where: { id: decoded.userId },
      select: {
        id: true,
        email: true,
        username: true,
        displayName: true,
        avatar: true,
        bio: true,
        isOnline: true,
        lastSeen: true,
        isAdmin: true,
        isVerified: true,
        createdAt: true,
        updatedAt: true,
      }
    })

    if (!user) {
      return res.status(401).json({
        success: false,
        error: 'Invalid token - user not found'
      })
    }

    // Attach user to request
    req.user = user
    next()
  } catch (error) {
    if (error instanceof jwt.JsonWebTokenError) {
      return res.status(401).json({
        success: false,
        error: 'Invalid token'
      })
    }
    
    if (error instanceof jwt.TokenExpiredError) {
      return res.status(401).json({
        success: false,
        error: 'Token expired'
      })
    }

    console.error('Auth middleware error:', error)
    return res.status(500).json({
      success: false,
      error: 'Authentication failed'
    })
  }
}

export const adminMiddleware = (
  req: AuthRequest,
  res: Response,
  next: NextFunction
) => {
  if (!req.user) {
    return res.status(401).json({
      success: false,
      error: 'Authentication required'
    })
  }

  if (!req.user.isAdmin) {
    return res.status(403).json({
      success: false,
      error: 'Admin access required'
    })
  }

  next()
}

export const optionalAuthMiddleware = async (
  req: AuthRequest,
  res: Response,
  next: NextFunction
) => {
  try {
    const authHeader = req.headers.authorization
    
    if (!authHeader || !authHeader.startsWith('Bearer ')) {
      return next()
    }

    const token = authHeader.substring(7)
    
    if (!token) {
      return next()
    }

    const decoded = jwt.verify(token, process.env.JWT_SECRET!) as { userId: string }
    
    const user = await prisma.user.findUnique({
      where: { id: decoded.userId },
      select: {
        id: true,
        email: true,
        username: true,
        displayName: true,
        avatar: true,
        bio: true,
        isOnline: true,
        lastSeen: true,
        isAdmin: true,
        isVerified: true,
        createdAt: true,
        updatedAt: true,
      }
    })

    if (user) {
      req.user = user
    }

    next()
  } catch (error) {
    // Ignore auth errors for optional auth
    next()
  }
}