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sessions.go
60 lines (54 loc) · 1.18 KB
/
sessions.go
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package main
import "net/http"
import "strings"
import "encoding/hex"
import "log"
const (
SESSION_MAX_AGE = 3600 // 1 hour
)
func checkSession(r *http.Request) *User {
sessionCookie, err := r.Cookie("session")
if err != nil || strings.TrimSpace(sessionCookie.Value) == "" {
return nil
}
sessionHash, err := hex.DecodeString(sessionCookie.Value)
if err != nil {
log.Println(err)
return nil
}
user, err := GetSessionUser(sessionHash)
if err != nil {
log.Println(err)
return nil
}
return user
}
func DeleteSession(w http.ResponseWriter, r *http.Request) error {
sessionCookie, err := r.Cookie("session")
if err != nil {
return err
}
sessionHash, err := hex.DecodeString(sessionCookie.Value)
if err != nil {
return err
}
err = DeleteSessionFromDB(sessionHash)
http.SetCookie(w, &http.Cookie{
Name: "session",
Value: "",
Path: "/",
MaxAge: -1,
})
return err
}
func StartSession(w http.ResponseWriter, user *User) error {
sessionHash := GenerateRandomHash()
http.SetCookie(w, &http.Cookie{
Name: "session",
Value: HashToString(sessionHash),
Path: "/",
MaxAge: SESSION_MAX_AGE,
})
err := CreateSessionInDB(sessionHash, user)
return err
}