initial commit

handler_login.go

@@ -0,0 +1,74 @@
+package main
+
+import (
+	"encoding/json"
+	"net/http"
+	"time"
+
+	"github.com/bootdotdev/learn-file-storage-s3-golang-starter/internal/auth"
+	"github.com/bootdotdev/learn-file-storage-s3-golang-starter/internal/database"
+)
+
+func (cfg *apiConfig) handlerLogin(w http.ResponseWriter, r *http.Request) {
+	type parameters struct {
+		Password string `json:"password"`
+		Email    string `json:"email"`
+	}
+	type response struct {
+		database.User
+		Token        string `json:"token"`
+		RefreshToken string `json:"refresh_token"`
+	}
+
+	decoder := json.NewDecoder(r.Body)
+	params := parameters{}
+	err := decoder.Decode(&params)
+	if err != nil {
+		respondWithError(w, http.StatusInternalServerError, "Couldn't decode parameters", err)
+		return
+	}
+
+	user, err := cfg.db.GetUserByEmail(params.Email)
+	if err != nil {
+		respondWithError(w, http.StatusUnauthorized, "Incorrect email or password", err)
+		return
+	}
+
+	err = auth.CheckPasswordHash(params.Password, user.Password)
+	if err != nil {
+		respondWithError(w, http.StatusUnauthorized, "Incorrect email or password", err)
+		return
+	}
+
+	accessToken, err := auth.MakeJWT(
+		user.ID,
+		cfg.jwtSecret,
+		time.Hour*24*30,
+	)
+	if err != nil {
+		respondWithError(w, http.StatusInternalServerError, "Couldn't create access JWT", err)
+		return
+	}
+
+	refreshToken, err := auth.MakeRefreshToken()
+	if err != nil {
+		respondWithError(w, http.StatusInternalServerError, "Couldn't create refresh token", err)
+		return
+	}
+
+	_, err = cfg.db.CreateRefreshToken(database.CreateRefreshTokenParams{
+		UserID:    user.ID,
+		Token:     refreshToken,
+		ExpiresAt: time.Now().UTC().Add(time.Hour * 24 * 60),
+	})
+	if err != nil {
+		respondWithError(w, http.StatusInternalServerError, "Couldn't save refresh token", err)
+		return
+	}
+
+	respondWithJSON(w, http.StatusOK, response{
+		User:         user,
+		Token:        accessToken,
+		RefreshToken: refreshToken,
+	})
+}