0
# Authentication System
1

2
Complete authentication and authorization system for Panel applications, supporting OAuth providers, basic authentication, and custom login handlers. Essential for securing enterprise applications and controlling access to sensitive data and functionality.
3

4
## Capabilities
5

6
### OAuth Providers
7

8
Pre-built OAuth integration for popular identity providers, enabling secure single sign-on authentication flows.
9

10
```python { .api }
11
class GoogleLoginHandler:
12
    """Google OAuth login handler"""
13

14
class GitHubLoginHandler:
15
    """GitHub OAuth login handler"""
16

17
class AzureAdLoginHandler:
18
    """Azure Active Directory OAuth login handler"""
19

20
class AzureAdV2LoginHandler:
21
    """Azure Active Directory v2.0 OAuth login handler"""
22

23
class Auth0Handler:
24
    """Auth0 OAuth login handler"""
25

26
class GitLabLoginHandler:
27
    """GitLab OAuth login handler"""
28

29
class OktaLoginHandler:
30
    """Okta OAuth login handler"""
31

32
class BitbucketLoginHandler:
33
    """Bitbucket OAuth login handler"""
34
```
35

36
### Basic Authentication
37

38
Traditional username/password authentication with configurable user management.
39

40
```python { .api }
41
class BasicLoginHandler:
42
    """Basic username/password login handler"""
43

44
class PAMLoginHandler:
45
    """PAM (Pluggable Authentication Modules) login handler for system authentication"""
46

47
class PasswordLoginHandler:
48
    """Custom password authentication handler"""
49
```
50

51
### Authentication Providers
52

53
Base classes and providers for integrating authentication into Panel applications.
54

55
```python { .api }
56
class BasicAuthProvider:
57
    """Base authentication provider for Panel applications"""
58

59
class OAuthProvider:
60
    """OAuth-based authentication provider with customizable settings"""
61
```
62

63
### Generic Handlers
64

65
Flexible authentication handlers for custom authentication flows.
66

67
```python { .api }
68
class GenericLoginHandler:
69
    """Generic login handler for custom authentication implementations"""
70

71
class CodeChallengeLoginHandler:
72
    """PKCE (Proof Key for Code Exchange) authentication handler"""
73

74
class LogoutHandler:
75
    """Logout handler for terminating authenticated sessions"""
76
```
77

78
## Usage Example
79

80
```python
81
import panel as pn
82

83
# Configure OAuth authentication with Google
84
pn.config.oauth_provider = 'google'
85
pn.config.oauth_key = 'your-google-client-id'
86
pn.config.oauth_secret = 'your-google-client-secret'
87

88
# Create protected application
89
@pn.depends(pn.state.user_info)
90
def protected_app(user_info):
91
    if not user_info:
92
        return pn.pane.HTML("Please log in to access this application")
93
    
94
    return pn.Column(
95
        f"# Welcome, {user_info['login']}!",
96
        "This is a protected application area"
97
    )
98

99
protected_app().servable()
100
```