fix login functionality

kontor-api-go/pkg/handler/auth.go

@@ -1,38 +1,42 @@
 package handler
 
 import (
-	"time"
+	"context"
+	"kontor-api-go/pkg/schema"
+	"kontor-api-go/pkg/utils"
 
 	"github.com/gofiber/fiber/v2"
 	"github.com/golang-jwt/jwt/v5"
+	"github.com/uptrace/bun"
 )
 
 func Login(c *fiber.Ctx) error {
 	user := c.FormValue("user")
 	pass := c.FormValue("pass")
 
-	// Throws Unauthorized error
-	if user != "john" || pass != "doe" {
+	var profile schema.Profile
+	var err error
+	var db *bun.DB
+	ctx := context.Background()
+
+	db, _ = schema.GetDatabase()
+	err = db.NewSelect().Model(&profile).Where("email = ?", user).Scan(ctx)
+	if err != nil {
+		return c.Status(400).JSON(fiber.Map{
+			"message": err.Error(),
+		})
+	}
+
+	if !utils.ComparePassword(profile.Password, pass) {
 		return c.SendStatus(fiber.StatusUnauthorized)
 	}
 
-	// Create the Claims
-	claims := jwt.MapClaims{
-		"name":  "John Doe",
-		"admin": true,
-		"exp":   time.Now().Add(time.Hour * 72).Unix(),
-	}
-
-	// Create token
-	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
-
-	// Generate encoded token and send it as response.
-	t, err := token.SignedString([]byte("secret"))
+	token, err := utils.GenerateToken(profile)
 	if err != nil {
 		return c.SendStatus(fiber.StatusInternalServerError)
 	}
 
-	return c.JSON(fiber.Map{"token": t})
+	return c.JSON(fiber.Map{"token": token})
 }
 
 func Restricted(c *fiber.Ctx) error {

kontor-api-go/pkg/schema/auth.go

@@ -0,0 +1,62 @@
+package schema
+
+import (
+	"time"
+
+	"github.com/uptrace/bun"
+)
+
+type Profile struct {
+	bun.BaseModel `bun:"table:profile"`
+
+	ID          string       `bun:"id,pk"`
+	CreatedAt   time.Time    `bun:"created_date,nullzero,notnull,default:current_timestamp"`
+	UpdatedAt   time.Time    `bun:"last_modified_date,nullzero,notnull,default:current_timestamp"`
+	Version     int          `bun:"version,default:0"`
+	FirstName   string       `bun:"first_name"`
+	LastName    string       `bun:"last_name"`
+	UserName    string       `bun:"user_name,unique:user_name"`
+	Email       string       `bun:"email"`
+	Password    string       `bun:"password"`
+	Enabled     bool         `bun:"enabled"`
+	Assignments []Assignment `bun:"rel:has-many,join:id=profile_id"`
+	Tokens      []Token      `bun:"rel:has-many,join:id=profile_id"`
+}
+
+type Permission struct {
+	bun.BaseModel `bun:"table:permission"`
+
+	ID          string       `bun:"id,pk"`
+	CreatedAt   time.Time    `bun:"created_date,nullzero,notnull,default:current_timestamp"`
+	UpdatedAt   time.Time    `bun:"last_modified_date,nullzero,notnull,default:current_timestamp"`
+	Version     int          `bun:"version,default:0"`
+	Name        string       `bun:"name,unique:name"`
+	Assignments []Assignment `bun:"rel:has-many,join:id=permission_id"`
+}
+
+type Token struct {
+	bun.BaseModel `bun:"table:token"`
+
+	ID         string    `bun:"id,pk"`
+	CreatedAt  time.Time `bun:"created_date,nullzero,notnull,default:current_timestamp"`
+	UpdatedAt  time.Time `bun:"last_modified_date,nullzero,notnull,default:current_timestamp"`
+	Version    int       `bun:"version,default:0"`
+	Name       string    `bun:"name,unique:name"`
+	LastUsedAt time.Time `bun:"last_used_date,nullzero,notnull,default:current_timestamp"`
+	Enabled    bool      `bun:"enabled,default:true"`
+	ProfileID  *string   `bun:"profile_id"`
+	Profile    *Profile  `bun:"rel:belongs-to,join:profile_id=id"`
+}
+
+type Assignment struct {
+	bun.BaseModel `bun:"table:assignment"`
+
+	ID           string      `bun:"id,pk"`
+	CreatedAt    time.Time   `bun:"created_date,nullzero,notnull,default:current_timestamp"`
+	UpdatedAt    time.Time   `bun:"last_modified_date,nullzero,notnull,default:current_timestamp"`
+	Version      int         `bun:"version,default:0"`
+	ProfileID    *string     `bun:"profile_id"`
+	Profile      *Profile    `bun:"rel:belongs-to,join:profile_id=id"`
+	PermissionID *string     `bun:"permission_id"`
+	Permission   *Permission `bun:"rel:belongs-to,join:permission_id=id"`
+}

kontor-api-go/pkg/utils/auth.go

@@ -0,0 +1,8 @@
+package utils
+
+import "golang.org/x/crypto/bcrypt"
+
+func ComparePassword(hashedPassword, password string) bool {
+	err := bcrypt.CompareHashAndPassword([]byte(hashedPassword), []byte(password))
+	return err == nil
+}

kontor-api-go/pkg/utils/token.go

@@ -0,0 +1,38 @@
+package utils
+
+import (
+	"kontor-api-go/pkg/schema"
+	"time"
+
+	"github.com/golang-jwt/jwt/v5"
+)
+
+func GenerateToken(user schema.Profile) (string, error) {
+	// Create the Claims
+	claims := jwt.MapClaims{
+		"name":  user.FirstName + ", " + user.LastName,
+		"admin": true,
+		"exp":   time.Now().Add(time.Hour * 72).Unix(),
+	}
+
+	// Create token
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+
+	// Generate encoded token and send it as response.
+	t, err := token.SignedString([]byte("secret"))
+	if err != nil {
+		return "", err
+	}
+	return t, nil
+}
+
+func VerifyToken(tokenString string) (bool, error) {
+	token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
+		return []byte("secret"), nil
+	})
+	if err != nil {
+		return false, err
+	}
+
+	return token.Valid, nil
+}