hatecomputers.club/api/serve.go

173 lines
8.8 KiB
Go

package api
import (
"database/sql"
"fmt"
"log"
"net/http"
"time"
"git.hatecomputers.club/hatecomputers/hatecomputers.club/adapters/cloudflare"
"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
TemplateData *map[string]interface{}
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 CacheControlMiddleware(next http.Handler, maxAge int) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
header := fmt.Sprintf("public, max-age=%d", maxAge)
w.Header().Set("Cache-Control", header)
next.ServeHTTP(w, r)
})
}
func MakeServer(argv *args.Arguments, dbConn *sql.DB) *http.Server {
mux := http.NewServeMux()
fileServer := http.FileServer(http.Dir(argv.StaticPath))
mux.Handle("GET /static/", http.StripPrefix("/static/", CacheControlMiddleware(fileServer, 3600)))
cloudflareAdapter := &cloudflare.CloudflareExternalDNSAdapter{
APIToken: argv.CloudflareToken,
ZoneId: argv.CloudflareZone,
}
makeRequestContext := func() *RequestContext {
return &RequestContext{
DBConn: dbConn,
Args: argv,
TemplateData: &map[string]interface{}{},
}
}
mux.HandleFunc("GET /", func(w http.ResponseWriter, r *http.Request) {
requestContext := makeRequestContext()
LogRequestContinuation(requestContext, r, w)(VerifySessionContinuation, FailurePassingContinuation)(IdContinuation, IdContinuation)(TemplateContinuation("home.html", true), FailurePassingContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
})
mux.HandleFunc("GET /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)(InterceptOauthCodeContinuation, FailurePassingContinuation)(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 /dns", func(w http.ResponseWriter, r *http.Request) {
requestContext := makeRequestContext()
LogRequestContinuation(requestContext, r, w)(VerifySessionContinuation, FailurePassingContinuation)(ListDNSRecordsContinuation, GoLoginContinuation)(TemplateContinuation("dns.html", true), FailurePassingContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
})
mux.HandleFunc("POST /dns", func(w http.ResponseWriter, r *http.Request) {
requestContext := makeRequestContext()
LogRequestContinuation(requestContext, r, w)(VerifySessionContinuation, FailurePassingContinuation)(ListDNSRecordsContinuation, GoLoginContinuation)(CreateDNSRecordContinuation(cloudflareAdapter), FailurePassingContinuation)(TemplateContinuation("dns.html", true), TemplateContinuation("dns.html", true))(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
})
mux.HandleFunc("POST /dns/delete", func(w http.ResponseWriter, r *http.Request) {
requestContext := makeRequestContext()
LogRequestContinuation(requestContext, r, w)(VerifySessionContinuation, FailurePassingContinuation)(DeleteDNSRecordContinuation(cloudflareAdapter), GoLoginContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
})
mux.HandleFunc("GET /keys", func(w http.ResponseWriter, r *http.Request) {
requestContext := makeRequestContext()
LogRequestContinuation(requestContext, r, w)(VerifySessionContinuation, FailurePassingContinuation)(ListAPIKeysContinuation, GoLoginContinuation)(TemplateContinuation("api_keys.html", true), FailurePassingContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
})
mux.HandleFunc("POST /keys", func(w http.ResponseWriter, r *http.Request) {
requestContext := makeRequestContext()
LogRequestContinuation(requestContext, r, w)(VerifySessionContinuation, FailurePassingContinuation)(CreateAPIKeyContinuation, GoLoginContinuation)(ListAPIKeysContinuation, ListAPIKeysContinuation)(TemplateContinuation("api_keys.html", true), TemplateContinuation("api_keys.html", true))(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
})
mux.HandleFunc("POST /keys/delete", func(w http.ResponseWriter, r *http.Request) {
requestContext := makeRequestContext()
LogRequestContinuation(requestContext, r, w)(VerifySessionContinuation, FailurePassingContinuation)(DeleteAPIKeyContinuation, GoLoginContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
})
mux.HandleFunc("GET /guestbook", func(w http.ResponseWriter, r *http.Request) {
requestContext := makeRequestContext()
LogRequestContinuation(requestContext, r, w)(VerifySessionContinuation, FailurePassingContinuation)(CaptchaArgsContinuation, CaptchaArgsContinuation)(ListGuestbookContinuation, ListGuestbookContinuation)(TemplateContinuation("guestbook.html", true), FailurePassingContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
})
mux.HandleFunc("POST /guestbook", func(w http.ResponseWriter, r *http.Request) {
requestContext := makeRequestContext()
LogRequestContinuation(requestContext, r, w)(VerifySessionContinuation, FailurePassingContinuation)(CaptchaVerificationContinuation, CaptchaVerificationContinuation)(SignGuestbookContinuation, FailurePassingContinuation)(ListGuestbookContinuation, ListGuestbookContinuation)(CaptchaArgsContinuation, CaptchaArgsContinuation)(TemplateContinuation("guestbook.html", true), TemplateContinuation("guestbook.html", true))(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)(VerifySessionContinuation, FailurePassingContinuation)(IdContinuation, IdContinuation)(TemplateContinuation(name+".html", true), FailurePassingContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
})
return &http.Server{
Addr: ":" + fmt.Sprint(argv.Port),
Handler: mux,
}
}