forked from Alex13658/SchoolServer
-
Notifications
You must be signed in to change notification settings - Fork 0
/
rest-api.go
222 lines (210 loc) · 10.1 KB
/
rest-api.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
// rest-api.go
/*
Package restapi содержит handler'ы для взаимодействия сервера с клиентами.
*/
package restapi
import (
"math/rand"
"net/http"
"strconv"
"strings"
"github.com/gorilla/context"
"github.com/gorilla/sessions"
cp "github.com/masyagin1998/SchoolServer/libtelco/config-parser"
red "github.com/masyagin1998/SchoolServer/libtelco/in-memory-db"
"github.com/masyagin1998/SchoolServer/libtelco/log"
"github.com/masyagin1998/SchoolServer/libtelco/push"
ss "github.com/masyagin1998/SchoolServer/libtelco/sessions"
db "github.com/masyagin1998/SchoolServer/libtelco/sql-db"
redistore "gopkg.in/boj/redistore.v1"
)
// RestAPI struct содержит конфигурацию Rest API.
// sessionsMap содержит отображения идентификаторов сессий Rest API
// в объекты сессий на удаленном сервере.
type RestAPI struct {
config *cp.Config
Store *redistore.RediStore
logger *log.Logger
sessionsMap map[string]*ss.Session
Db *db.Database
Redis *red.Database
Errors *marshalledErrors
Push *push.Push
}
// NewRestAPI создает структуру для работы с Rest API.
func NewRestAPI(logger *log.Logger, config *cp.Config, database *db.Database, p *push.Push) *RestAPI {
key := make([]byte, 32)
rand.Read(key)
logger.Info("REST: Successfully generated secure key", "Key", key)
// redistore
newStore, err := redistore.NewRediStoreWithDB(
1,
"tcp",
":"+config.CookieStore.Port,
config.CookieStore.Password,
strconv.Itoa(config.CookieStore.DBname),
key,
)
if err != nil {
logger.Fatal("REST: Error occured when creating redistore", "Error", err)
} else {
logger.Info("REST: Successfully initialized redistore")
}
newStore.SetMaxAge(86400 * 365)
// redis
redis, err := red.NewDatabase(config)
if err != nil {
logger.Fatal("REST: Error occured when initializing redis", "Error", err)
} else {
logger.Info("REST: Successfully initialized redis")
}
return &RestAPI{
config: config,
Store: newStore,
logger: logger,
sessionsMap: make(map[string]*ss.Session),
Db: database,
Redis: redis,
Errors: NewMarshalledErrors(logger),
Push: p,
}
}
// BindHandlers привязывает все handler'ы Rest API
func (rest *RestAPI) BindHandlers() http.Handler {
mux := http.NewServeMux()
// Общее: Запрос списка школ, запрос доступа, авторизация, выход
mux.HandleFunc("/get_school_list", rest.GetSchoolListHandler) // done
mux.HandleFunc("/check_permission", rest.CheckPermissionHandler) // done
mux.HandleFunc("/sign_in", rest.SignInHandler) // done
mux.HandleFunc("/log_out", rest.LogOutHandler) // done
mux.HandleFunc("/delete_account", rest.DeleteAccountHandler) // done
// Дневник: задания и оценки на неделю, отметить задание
// как выполненное/невыполненное
mux.HandleFunc("/get_tasks_and_marks", rest.GetTasksAndMarksHandler) // done
mux.HandleFunc("/get_lesson_description", rest.GetLessonDescriptionHandler) // done
mux.HandleFunc("/mark_as_done", rest.MarkAsDoneHandler) // done
mux.HandleFunc("/unmark_as_done", rest.UnmarkAsDoneHandler) // done
// Объявления: получение списка объявлений
mux.HandleFunc("/get_posts", rest.GetPostsHandler) // done
// Расписание: получение расписания на N дней
mux.HandleFunc("/get_schedule", rest.GetScheduleHandler) // done
// Отчеты
mux.HandleFunc("/get_report_student_total_marks", rest.GetReportStudentTotalMarksHandler) // done
mux.HandleFunc("/get_report_student_average_mark", rest.GetReportStudentAverageMarkHandler) // done
mux.HandleFunc("/get_report_student_average_mark_dyn", rest.GetReportStudentAverageMarkDynHandler) // done
mux.HandleFunc("/get_report_student_grades_lesson_list", rest.GetReportStudentGradesLessonListHandler) // done
mux.HandleFunc("/get_report_student_grades", rest.GetReportStudentGradesHandler) // done
mux.HandleFunc("/get_report_student_total", rest.GetReportStudentTotalHandler) // done
mux.HandleFunc("/get_report_journal_access", rest.GetReportJournalAccessHandler) // done
mux.HandleFunc("/get_report_parent_info_letter_data", rest.GetReportParentInfoLetterDataHandler) // done
mux.HandleFunc("/get_report_parent_info_letter", rest.GetReportParentInfoLetterHandler) // done
// Школьные ресурсы
mux.HandleFunc("/get_resources", rest.GetResourcesHandler) // done
// Почта
mux.HandleFunc("/get_mail", rest.GetMailHandler) // done
mux.HandleFunc("/get_mail_description", rest.GetMailDescriptionHandler) // done
mux.HandleFunc("/delete_mail", rest.DeleteMailHandler) // done
mux.HandleFunc("/send_letter", rest.SendLetterHandler) // done
mux.HandleFunc("/get_address_book", rest.GetAddressBookHandler) // done
// Форум
mux.HandleFunc("/get_forum", rest.GetForumHandler) // done
mux.HandleFunc("/get_forum_messages", rest.GetForumMessagesHandler) // done
mux.HandleFunc("/create_topic", rest.CreateTopicHandler) // done
mux.HandleFunc("/create_message_in_topic", rest.CreateTopicMessageHandler) // done
// Настройки
mux.HandleFunc("/change_password", rest.ChangePasswordHandler) // done
mux.HandleFunc("/push_do_not_disturb", rest.PushDontDisturbHandler) // done
mux.HandleFunc("/push_settings", rest.PushSettingsHandler) // done
// Файлы
mux.Handle("/doc/", http.StripPrefix("/doc/", http.FileServer(http.Dir("./files")))) // done
rest.logger.Info("REST: Successfully bound handlers")
return context.ClearHandler(mux)
}
// Handler временный абстрактный handler для некоторых еще не реализованных
// обработчиков запросов.
func (rest *RestAPI) Handler(respwr http.ResponseWriter, req *http.Request) {
rest.logger.Info("REST: Handler called (not implemented yet)", "Path", req.URL.Path)
respwr.WriteHeader(http.StatusNotImplemented)
}
// ErrorHandler обрабатывает некорректные запросы.
func (rest *RestAPI) ErrorHandler(respwr http.ResponseWriter, req *http.Request) {
rest.logger.Info("Wrong request", "Path", req.URL.Path, "IP", req.RemoteAddr)
respwr.WriteHeader(http.StatusNotFound)
}
// getLocalSession читает куки и получает объект локальной сессии
func (rest *RestAPI) getLocalSession(respwr http.ResponseWriter, req *http.Request) (string, *sessions.Session) {
// Прочитать куку
cookie, err := req.Cookie("sessionName")
// Дебаг хедеров
// rest.logger.Info("Headers", "heh", req.Header)
if err != nil || cookie.Value == "" {
rest.logger.Info("REST: User not authorized", "Error", err.Error(), "IP", req.RemoteAddr)
respwr.WriteHeader(http.StatusUnauthorized)
return "", nil
}
sessionName := cookie.Value
// Получить существующий объект сессии
session, err := rest.Store.Get(req, sessionName)
if err != nil {
rest.logger.Error("REST: Error occured when getting session from cookiestore", "Error", err, "Session name", sessionName, "IP", req.RemoteAddr)
delete(rest.sessionsMap, sessionName)
session.Options.MaxAge = -1
session.Save(req, respwr)
respwr.WriteHeader(http.StatusUnauthorized)
return "", nil
}
if session.IsNew {
rest.logger.Info("REST: No session exists", "Session name", sessionName, "IP", req.RemoteAddr)
delete(rest.sessionsMap, sessionName)
session.Options.MaxAge = -1
session.Save(req, respwr)
respwr.WriteHeader(http.StatusUnauthorized)
return "", nil
}
return sessionName, session
}
// remoteRelogin повторно авторизуется на сайте школы
func (rest *RestAPI) remoteRelogin(respwr http.ResponseWriter, req *http.Request, session *sessions.Session) *ss.Session {
rest.logger.Info("REST: Remote signing in", "IP", req.RemoteAddr)
// Полезть в базу данных за данными для авторизации
userName := session.Values["userName"]
schoolID := session.Values["schoolID"]
school, err := rest.Db.GetUserAuthData(userName.(string), schoolID.(int))
if err != nil {
// Ошибок тут быть не должно
rest.logger.Error("REST: Error occured when getting user auth data from db", "Username", userName, "SchoolID", schoolID, "IP", req.RemoteAddr)
respwr.WriteHeader(http.StatusInternalServerError)
return nil
}
// Создать удаленную сессию и залогиниться
remoteSession := ss.NewSession(school)
err = remoteSession.Login()
if err != nil {
if strings.Contains(err.Error(), "invalid login or passkey") {
// Пароль неверный
rest.logger.Info("REST: Error occured when remote signing in", "Error", "invalid login or password", "Config", school, "IP", req.RemoteAddr)
respwr.WriteHeader(http.StatusBadRequest)
status, err := respwr.Write(rest.Errors.InvalidLoginData)
if err != nil {
rest.logger.Error("REST: Error occured when sending response", "Error", err, "Status", status, "IP", req.RemoteAddr)
} else {
rest.logger.Info("REST: Successfully sent response", "IP", req.RemoteAddr)
}
return nil
}
rest.logger.Error("REST: Error occured when remote signing in", "Error", err, "IP", req.RemoteAddr)
respwr.WriteHeader(http.StatusBadGateway)
return nil
}
// Получить childrenMap
err = remoteSession.GetChildrenMap()
if err != nil {
// Ошибка
rest.logger.Error("REST: Error occured when getting data from site", "Error", err, "IP", req.RemoteAddr)
respwr.WriteHeader(http.StatusBadGateway)
return nil
}
rest.sessionsMap[session.Name()] = remoteSession
rest.logger.Info("REST: Successfully created new remote session", "IP", req.RemoteAddr)
return remoteSession
}