Init login and frontend

1 files changed, 68 insertions, 0 deletions

diff --git a/api/handlers/handlers.go b/api/handlers/handlers.go
new file mode 100644
index 0000000..7d5fd10
--- /dev/null
+++ b/api/handlers/handlers.go
@@ -0,0 +1,68 @@
+package handlers
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/boozec/rahanna/api/auth"
+	"github.com/boozec/rahanna/api/database"
+	"golang.org/x/crypto/bcrypt"
+)
+
+func RegisterUser(w http.ResponseWriter, r *http.Request) {
+	var user database.User
+	err := json.NewDecoder(r.Body).Decode(&user)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	hashedPassword, err := bcrypt.GenerateFromPassword([]byte(user.Password), bcrypt.DefaultCost)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	user.Password = string(hashedPassword)
+
+	db, _ := database.GetDb()
+
+	result := db.Create(&user)
+	if result.Error != nil {
+		http.Error(w, result.Error.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusCreated)
+}
+
+func LoginUser(w http.ResponseWriter, r *http.Request) {
+	var inputUser database.User
+	err := json.NewDecoder(r.Body).Decode(&inputUser)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	var storedUser database.User
+
+	db, _ := database.GetDb()
+	result := db.Where("username = ?", inputUser.Username).First(&storedUser)
+	if result.Error != nil {
+		http.Error(w, "Invalid credentials", http.StatusUnauthorized)
+		return
+	}
+
+	err = bcrypt.CompareHashAndPassword([]byte(storedUser.Password), []byte(inputUser.Password))
+	if err != nil {
+		http.Error(w, "Invalid credentials", http.StatusUnauthorized)
+		return
+	}
+
+	token, err := auth.GenerateJWT(storedUser.ID)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	json.NewEncoder(w).Encode(map[string]string{"token": token})
+}