perseus/handler/web/register.go

81 lines
1.8 KiB
Go

package web
import (
"fmt"
"html/template"
"log"
"net/http"
"strings"
"tildegit.org/andinus/perseus/account"
"tildegit.org/andinus/perseus/storage"
)
// RegisterHandler handles registration.
func RegisterHandler(w http.ResponseWriter, r *http.Request, db *storage.DB) {
p := Page{}
var err error
t, err := template.ParseFiles("web/templates/register.html")
if err != nil {
log.Printf("web/register.go: 500 Internal Server Error :: %s", err.Error())
http.Error(w, "500 Internal Server Error", http.StatusInternalServerError)
return
}
p.Notice = []string{
"Only [a-z] & [0-9] allowed for username",
"Password length must be greater than 8 characters",
}
switch r.Method {
case http.MethodGet:
t.Execute(w, p)
case http.MethodPost:
if err = r.ParseForm(); err != nil {
log.Printf("web/register.go: 400 Bad Request :: %s", err.Error())
http.Error(w, "400 Bad Request", http.StatusBadRequest)
return
}
// Get form values
u := account.User{}
u.Username = r.FormValue("username")
u.Password = r.FormValue("password")
// Perform registration
err = u.Register(db)
if err != nil {
log.Printf("web/register.go: %s :: %s",
"registration failed",
err.Error())
error := []string{}
error = append(error,
fmt.Sprintf("Registration failed"))
// Check if the error was because of username
// not being unique.
if strings.HasPrefix(err.Error(), "UNIQUE constraint failed") {
error = append(error,
fmt.Sprintf("Username not unique"))
}
p.Error = error
} else {
success := []string{}
success = append(success,
fmt.Sprintf("Registration successful"))
p.Success = success
}
t.Execute(w, p)
default:
w.WriteHeader(http.StatusMethodNotAllowed)
log.Printf("web/register.go: %v not allowed on %v", r.Method, r.URL)
}
}