-
Notifications
You must be signed in to change notification settings - Fork 52
/
service.go
254 lines (217 loc) · 6.08 KB
/
service.go
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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
package user
import (
"github.com/crawlab-team/crawlab-core/constants"
"github.com/crawlab-team/crawlab-core/errors"
"github.com/crawlab-team/crawlab-core/interfaces"
"github.com/crawlab-team/crawlab-core/models/delegate"
"github.com/crawlab-team/crawlab-core/models/models"
"github.com/crawlab-team/crawlab-core/models/service"
"github.com/crawlab-team/crawlab-core/utils"
mongo2 "github.com/crawlab-team/crawlab-db/mongo"
"github.com/crawlab-team/go-trace"
"github.com/dgrijalva/jwt-go"
"github.com/gin-gonic/gin"
"go.mongodb.org/mongo-driver/bson/primitive"
"go.mongodb.org/mongo-driver/mongo"
"go.uber.org/dig"
"time"
)
type Service struct {
// settings variables
jwtSecret string
jwtSigningMethod jwt.SigningMethod
// dependencies
modelSvc service.ModelService
}
func (svc *Service) Init() (err error) {
_, err = svc.modelSvc.GetUserByUsername(constants.DefaultAdminUsername, nil)
if err == nil {
return nil
}
if err.Error() != mongo.ErrNoDocuments.Error() {
return err
}
return svc.Create(&interfaces.UserCreateOptions{
Username: constants.DefaultAdminUsername,
Password: constants.DefaultAdminPassword,
Role: constants.RoleAdmin,
})
}
func (svc *Service) SetJwtSecret(secret string) {
svc.jwtSecret = secret
}
func (svc *Service) SetJwtSigningMethod(method jwt.SigningMethod) {
svc.jwtSigningMethod = method
}
func (svc *Service) Create(opts *interfaces.UserCreateOptions, args ...interface{}) (err error) {
actor := utils.GetUserFromArgs(args...)
// validate options
if opts.Username == "" || opts.Password == "" {
return trace.TraceError(errors.ErrorUserMissingRequiredFields)
}
if len(opts.Password) < 5 {
return trace.TraceError(errors.ErrorUserInvalidPassword)
}
// normalize options
if opts.Role == "" {
opts.Role = constants.RoleNormal
}
// check if user exists
if u, err := svc.modelSvc.GetUserByUsername(opts.Username, nil); err == nil && u != nil && !u.Id.IsZero() {
return trace.TraceError(errors.ErrorUserAlreadyExists)
}
// transaction
return mongo2.RunTransaction(func(ctx mongo.SessionContext) error {
// add user
u := &models.User{
Username: opts.Username,
Role: opts.Role,
Email: opts.Email,
}
if err := delegate.NewModelDelegate(u, actor).Add(); err != nil {
return err
}
// add password
p := &models.Password{
Id: u.Id,
Password: utils.EncryptMd5(opts.Password),
}
if err := delegate.NewModelDelegate(p, actor).Add(); err != nil {
return err
}
return nil
})
}
func (svc *Service) Login(opts *interfaces.UserLoginOptions) (token string, u interfaces.User, err error) {
u, err = svc.modelSvc.GetUserByUsername(opts.Username, nil)
if err != nil {
return "", nil, err
}
p, err := svc.modelSvc.GetPasswordById(u.GetId())
if err != nil {
return "", nil, err
}
if p.Password != utils.EncryptMd5(opts.Password) {
return "", nil, errors.ErrorUserMismatch
}
token, err = svc.makeToken(u)
if err != nil {
return "", nil, err
}
return token, u, nil
}
func (svc *Service) CheckToken(tokenStr string) (u interfaces.User, err error) {
return svc.checkToken(tokenStr)
}
func (svc *Service) ChangePassword(id primitive.ObjectID, password string, args ...interface{}) (err error) {
actor := utils.GetUserFromArgs(args...)
p, err := svc.modelSvc.GetPasswordById(id)
if err != nil {
return err
}
p.Password = utils.EncryptMd5(password)
if err := delegate.NewModelDelegate(p, actor).Save(); err != nil {
return err
}
return nil
}
func (svc *Service) MakeToken(user interfaces.User) (tokenStr string, err error) {
return svc.makeToken(user)
}
func (svc *Service) GetCurrentUser(c *gin.Context) (user interfaces.User, err error) {
// token string
tokenStr := c.GetHeader("Authorization")
// user
u, err := userSvc.CheckToken(tokenStr)
if err != nil {
return nil, err
}
return u, nil
}
func (svc *Service) makeToken(user interfaces.User) (tokenStr string, err error) {
token := jwt.NewWithClaims(svc.jwtSigningMethod, jwt.MapClaims{
"id": user.GetId(),
"username": user.GetUsername(),
"nbf": time.Now().Unix(),
})
return token.SignedString([]byte(svc.jwtSecret))
}
func (svc *Service) checkToken(tokenStr string) (user interfaces.User, err error) {
token, err := jwt.Parse(tokenStr, svc.getSecretFunc())
if err != nil {
return
}
claim, ok := token.Claims.(jwt.MapClaims)
if !ok {
err = errors.ErrorUserInvalidType
return
}
if !token.Valid {
err = errors.ErrorUserInvalidToken
return
}
id, err := primitive.ObjectIDFromHex(claim["id"].(string))
if err != nil {
return user, err
}
username := claim["username"].(string)
user, err = svc.modelSvc.GetUserById(id)
if err != nil {
err = errors.ErrorUserNotExists
return
}
if username != user.GetUsername() {
err = errors.ErrorUserMismatch
return
}
return
}
func (svc *Service) getSecretFunc() jwt.Keyfunc {
return func(token *jwt.Token) (interface{}, error) {
return []byte(svc.jwtSecret), nil
}
}
func NewUserService(opts ...Option) (svc2 interfaces.UserService, err error) {
// service
svc := &Service{
jwtSecret: "crawlab",
jwtSigningMethod: jwt.SigningMethodHS256,
}
// dependency injection
c := dig.New()
if err := c.Provide(service.NewService); err != nil {
return nil, trace.TraceError(err)
}
if err := c.Invoke(func(modelSvc service.ModelService) {
svc.modelSvc = modelSvc
}); err != nil {
return nil, trace.TraceError(err)
}
// initialize
if err := svc.Init(); err != nil {
return nil, trace.TraceError(err)
}
return svc, nil
}
func ProvideUserService(opts ...Option) func() (svc interfaces.UserService, err error) {
return func() (svc interfaces.UserService, err error) {
return NewUserService(opts...)
}
}
var userSvc interfaces.UserService
func GetUserService(opts ...Option) (svc interfaces.UserService, err error) {
if userSvc != nil {
return userSvc, nil
}
svc, err = NewUserService(opts...)
if err != nil {
return nil, err
}
userSvc = svc
return svc, nil
}
func ProvideGetUserService(opts ...Option) func() (svr interfaces.UserService, err error) {
return func() (svr interfaces.UserService, err error) {
return GetUserService(opts...)
}
}