alai-server/backend/controllers/auth.go

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package controllers
import (
"encoding/json"
"errors"
"net/http"
"git.cromer.cl/Proyecto-Titulo/alai-server/backend/database"
"git.cromer.cl/Proyecto-Titulo/alai-server/backend/models"
"git.cromer.cl/Proyecto-Titulo/alai-server/backend/utils"
"github.com/julienschmidt/httprouter"
)
func Login(writer http.ResponseWriter, request *http.Request, params httprouter.Params) {
gdb := database.Connect()
defer database.Close(gdb)
var receivedUser models.User
var user models.User
decoder := json.NewDecoder(request.Body)
err := decoder.Decode(&receivedUser)
if err != nil {
utils.JSONErrorOutput(writer, http.StatusBadRequest, err.Error())
return
}
result := gdb.Model(models.User{}).Where(&models.User{Username: receivedUser.Username}).Find(&user)
if result.Error != nil {
utils.JSONErrorOutput(writer, http.StatusBadRequest, result.Error.Error())
return
} else if result.RowsAffected == 0 {
utils.JSONErrorOutput(writer, http.StatusBadRequest, errors.New("incorrect user or password").Error())
return
}
err = user.CheckPassword(receivedUser.Password)
if err != nil {
utils.JSONErrorOutput(writer, http.StatusBadRequest, errors.New("incorrect user or password").Error())
return
}
type Token struct {
Token string `json:"token"`
}
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tokenString, err := utils.GenerateJWT(user.ID, user.Email, user.Username)
if err != nil {
utils.JSONErrorOutput(writer, http.StatusBadRequest, err.Error())
return
}
token := Token{Token: tokenString}
writer.Header().Set("Content-Type", "application/json")
writer.WriteHeader(http.StatusOK)
json.NewEncoder(writer).Encode(token)
}
func AuthenticateUser(writer http.ResponseWriter, request *http.Request, params httprouter.Params) {
writer.Header().Set("Content-Type", "application/json")
writer.WriteHeader(http.StatusNoContent)
}