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package handlers
import (
"encoding/json"
"log/slog"
"net/http"
"github.com/boozec/rahanna/api/auth"
"github.com/boozec/rahanna/api/database"
utils "github.com/boozec/rahanna/pkg"
"golang.org/x/crypto/bcrypt"
)
func RegisterUser(w http.ResponseWriter, r *http.Request) {
slog.Info("POST /register")
var user database.User
err := json.NewDecoder(r.Body).Decode(&user)
if err != nil {
utils.JsonError(&w, err.Error())
return
}
if len(user.Password) < 4 {
utils.JsonError(&w, "password too short")
return
}
var storedUser database.User
db, _ := database.GetDb()
result := db.Where("username = ?", user.Username).First(&storedUser)
if result.Error == nil {
utils.JsonError(&w, "user with this username already exists")
return
}
hashedPassword, err := bcrypt.GenerateFromPassword([]byte(user.Password), bcrypt.DefaultCost)
if err != nil {
utils.JsonError(&w, err.Error())
return
}
user.Password = string(hashedPassword)
result = db.Create(&user)
if result.Error != nil {
utils.JsonError(&w, result.Error.Error())
return
}
token, err := auth.GenerateJWT(user.ID)
if err != nil {
utils.JsonError(&w, err.Error())
return
}
json.NewEncoder(w).Encode(map[string]string{"token": token})
}
func LoginUser(w http.ResponseWriter, r *http.Request) {
slog.Info("POST /login")
var inputUser database.User
err := json.NewDecoder(r.Body).Decode(&inputUser)
if err != nil {
utils.JsonError(&w, err.Error())
return
}
var storedUser database.User
db, _ := database.GetDb()
result := db.Where("username = ?", inputUser.Username).First(&storedUser)
if result.Error != nil {
utils.JsonError(&w, "invalid credentials")
return
}
err = bcrypt.CompareHashAndPassword([]byte(storedUser.Password), []byte(inputUser.Password))
if err != nil {
utils.JsonError(&w, "invalid credentials")
return
}
token, err := auth.GenerateJWT(storedUser.ID)
if err != nil {
utils.JsonError(&w, err.Error())
return
}
json.NewEncoder(w).Encode(map[string]string{"token": token})
}
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