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
160
161
162
163
|
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using Microsoft.IdentityModel.Tokens;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using Timeline.Entities.Http;
using Timeline.Services;
using static Timeline.Helpers.MyLogHelper;
namespace Timeline.Controllers
{
[Route("token")]
public class TokenController : Controller
{
private static class LoggingEventIds
{
public const int CreateSucceeded = 1000;
public const int CreateFailed = 1001;
public const int VerifySucceeded = 2000;
public const int VerifyFailed = 2001;
}
public static class ErrorCodes
{
public const int Create_UserNotExist = -1001;
public const int Create_BadPassword = -1002;
public const int Create_BadExpireOffset = -1003;
public const int Verify_BadToken = -2001;
public const int Verify_UserNotExist = -2002;
public const int Verify_BadVersion = -2003;
public const int Verify_Expired = -2004;
}
private readonly IUserService _userService;
private readonly ILogger<TokenController> _logger;
private readonly IClock _clock;
public TokenController(IUserService userService, ILogger<TokenController> logger, IClock clock)
{
_userService = userService;
_logger = logger;
_clock = clock;
}
[HttpPost("create")]
[AllowAnonymous]
public async Task<IActionResult> Create([FromBody] CreateTokenRequest request)
{
void LogFailure(string reason, int code, Exception e = null)
{
_logger.LogInformation(LoggingEventIds.CreateFailed, e, FormatLogMessage("Attemp to login failed.",
Pair("Reason", reason),
Pair("Code", code),
Pair("Username", request.Username),
Pair("Password", request.Password),
Pair("Expire Offset (in days)", request.ExpireOffset)));
}
TimeSpan? expireOffset = null;
if (request.ExpireOffset != null)
{
if (request.ExpireOffset.Value <= 0.0)
{
const string message = "Expire time is not bigger than 0.";
var code = ErrorCodes.Create_BadExpireOffset;
LogFailure(message, code);
return BadRequest(new CommonResponse(code, message));
}
expireOffset = TimeSpan.FromDays(request.ExpireOffset.Value);
}
try
{
var expiredTime = expireOffset == null ? null : (DateTime?)(_clock.GetCurrentTime() + expireOffset.Value);
var result = await _userService.CreateToken(request.Username, request.Password, expiredTime);
_logger.LogInformation(LoggingEventIds.CreateSucceeded, FormatLogMessage("Attemp to login succeeded.",
Pair("Username", request.Username),
Pair("Expire Time", expiredTime == null ? "default" : expiredTime.Value.ToString())));
return Ok(new CreateTokenResponse
{
Token = result.Token,
User = result.User
});
}
catch (UserNotExistException e)
{
var code = ErrorCodes.Create_UserNotExist;
LogFailure("User does not exist.", code, e);
return BadRequest(new CommonResponse(code, "Bad username or password."));
}
catch (BadPasswordException e)
{
var code = ErrorCodes.Create_BadPassword;
LogFailure("Password is wrong.", code, e);
return BadRequest(new CommonResponse(code, "Bad username or password."));
}
}
[HttpPost("verify")]
[AllowAnonymous]
public async Task<IActionResult> Verify([FromBody] VerifyTokenRequest request)
{
void LogFailure(string reason, int code, Exception e = null, params KeyValuePair<string, object>[] otherProperties)
{
var properties = new KeyValuePair<string, object>[3 + otherProperties.Length];
properties[0] = Pair("Reason", reason);
properties[1] = Pair("Code", code);
properties[2] = Pair("Token", request.Token);
otherProperties.CopyTo(properties, 3);
_logger.LogInformation(LoggingEventIds.VerifyFailed, e, FormatLogMessage("Token verification failed.", properties));
}
try
{
var result = await _userService.VerifyToken(request.Token);
_logger.LogInformation(LoggingEventIds.VerifySucceeded,
FormatLogMessage("Token verification succeeded.",
Pair("Username", result.Username), Pair("Token", request.Token)));
return Ok(new VerifyTokenResponse
{
User = result
});
}
catch (JwtTokenVerifyException e)
{
if (e.ErrorCode == JwtTokenVerifyException.ErrorCodes.Expired)
{
const string message = "Token is expired.";
var code = ErrorCodes.Verify_Expired;
var innerException = e.InnerException as SecurityTokenExpiredException;
LogFailure(message, code, e, Pair("Expires", innerException.Expires));
return BadRequest(new CommonResponse(code, message));
}
else
{
const string message = "Token is of bad format.";
var code = ErrorCodes.Verify_BadToken;
LogFailure(message, code, e);
return BadRequest(new CommonResponse(code, message));
}
}
catch (UserNotExistException e)
{
const string message = "User does not exist. Administrator might have deleted this user.";
var code = ErrorCodes.Verify_UserNotExist;
LogFailure(message, code, e);
return BadRequest(new CommonResponse(code, message));
}
catch (BadTokenVersionException e)
{
const string message = "Token has a old version.";
var code = ErrorCodes.Verify_BadVersion;
LogFailure(message, code, e);
_logger.LogInformation(LoggingEventIds.VerifyFailed, e, "Attemp to verify a bad token because version is old. Code: {} Token: {}.", code, request.Token);
return BadRequest(new CommonResponse(code, message));
}
}
}
}
|
