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
|
package api
import (
"database/sql"
"fmt"
"log"
"net/http"
"time"
"git.hatecomputers.club/hatecomputers/hatecomputers.club/args"
"git.hatecomputers.club/hatecomputers/hatecomputers.club/database"
"git.hatecomputers.club/hatecomputers/hatecomputers.club/utils"
)
type RequestContext struct {
DBConn *sql.DB
Args *args.Arguments
Id string
Start time.Time
User *database.User
}
type Continuation func(*RequestContext, *http.Request, http.ResponseWriter) ContinuationChain
type ContinuationChain func(Continuation, Continuation) ContinuationChain
func LogRequestContinuation(context *RequestContext, req *http.Request, resp http.ResponseWriter) ContinuationChain {
return func(success Continuation, _failure Continuation) ContinuationChain {
context.Start = time.Now()
context.Id = utils.RandomId()
log.Println(req.Method, req.URL.Path, req.RemoteAddr, context.Id)
return success(context, req, resp)
}
}
func LogExecutionTimeContinuation(context *RequestContext, req *http.Request, resp http.ResponseWriter) ContinuationChain {
return func(success Continuation, _failure Continuation) ContinuationChain {
end := time.Now()
log.Println(context.Id, "took", end.Sub(context.Start))
return success(context, req, resp)
}
}
func HealthCheckContinuation(context *RequestContext, req *http.Request, resp http.ResponseWriter) ContinuationChain {
return func(success Continuation, _failure Continuation) ContinuationChain {
resp.WriteHeader(200)
resp.Write([]byte("healthy"))
return success(context, req, resp)
}
}
func FailurePassingContinuation(context *RequestContext, req *http.Request, resp http.ResponseWriter) ContinuationChain {
return func(_success Continuation, failure Continuation) ContinuationChain {
return failure(context, req, resp)
}
}
func IdContinuation(context *RequestContext, req *http.Request, resp http.ResponseWriter) ContinuationChain {
return func(success Continuation, _failure Continuation) ContinuationChain {
return success(context, req, resp)
}
}
func MakeServer(argv *args.Arguments, dbConn *sql.DB) *http.Server {
mux := http.NewServeMux()
fileServer := http.FileServer(http.Dir(argv.StaticPath))
mux.Handle("/static/", http.StripPrefix("/static/", fileServer))
makeRequestContext := func() *RequestContext {
return &RequestContext{
DBConn: dbConn,
Args: argv,
}
}
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
requestContext := makeRequestContext()
LogRequestContinuation(requestContext, r, w)(VerifySessionContinuation, FailurePassingContinuation)(IdContinuation, IdContinuation)(TemplateContinuation("home.html", nil, true), FailurePassingContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
})
mux.HandleFunc("GET /api/health", func(w http.ResponseWriter, r *http.Request) {
requestContext := makeRequestContext()
LogRequestContinuation(requestContext, r, w)(HealthCheckContinuation, FailurePassingContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
})
mux.HandleFunc("GET /login", func(w http.ResponseWriter, r *http.Request) {
requestContext := makeRequestContext()
LogRequestContinuation(requestContext, r, w)(StartSessionContinuation, FailurePassingContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
})
mux.HandleFunc("GET /auth", func(w http.ResponseWriter, r *http.Request) {
requestContext := makeRequestContext()
LogRequestContinuation(requestContext, r, w)(InterceptCodeContinuation, FailurePassingContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
})
mux.HandleFunc("GET /me", func(w http.ResponseWriter, r *http.Request) {
requestContext := makeRequestContext()
LogRequestContinuation(requestContext, r, w)(VerifySessionContinuation, FailurePassingContinuation)(RefreshSessionContinuation, GoLoginContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
})
mux.HandleFunc("GET /logout", func(w http.ResponseWriter, r *http.Request) {
requestContext := makeRequestContext()
LogRequestContinuation(requestContext, r, w)(LogoutContinuation, FailurePassingContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
})
mux.HandleFunc("GET /{name}", func(w http.ResponseWriter, r *http.Request) {
requestContext := makeRequestContext()
name := r.PathValue("name")
LogRequestContinuation(requestContext, r, w)(TemplateContinuation(name+".html", nil, true), FailurePassingContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
})
return &http.Server{
Addr: ":" + fmt.Sprint(argv.Port),
Handler: mux,
}
}
|
