init gateway-service

services/gateway-service/internal/api/v1/user.go

@@ -0,0 +1,196 @@
+package v1
+
+import (
+	"time"
+	"context"
+
+	"github.com/gofiber/fiber/v2"
+
+	"github.com/hexolan/panels/gateway-service/internal/rpc"
+	"github.com/hexolan/panels/gateway-service/internal/rpc/userv1"
+	"github.com/hexolan/panels/gateway-service/internal/api/handlers"
+)
+
+type userSignupForm struct {
+	Username string
+	Password string
+}
+
+func getCurrentUser(c *fiber.Ctx) (*userv1.User, error) {
+	// access token claims
+	tokenClaims, err := handlers.GetTokenClaims(c)
+	if err != nil {
+		return nil, err
+	}
+
+	// fetch current user
+	return getUserById(tokenClaims.Subject)
+}
+
+func getUserById(id string) (*userv1.User, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+	user, err := rpc.Svcs.GetUserSvc().GetUser(
+		ctx,
+		&userv1.GetUserByIdRequest{Id: id},
+	)
+
+	return user, err
+}
+
+func getUserByUsername(username string) (*userv1.User, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+	user, err := rpc.Svcs.GetUserSvc().GetUserByName(
+		ctx,
+		&userv1.GetUserByNameRequest{Username: username},
+	)
+
+	return user, err
+}
+
+func GetUserById(c *fiber.Ctx) error {
+	user, err := getUserById(c.Params("id"))
+	if err != nil {
+		return err
+	}
+
+	return c.JSON(fiber.Map{"status": "success", "data": user})
+}
+
+func GetUserByUsername(c *fiber.Ctx) error {
+	user, err := getUserByUsername(c.Params("username"))
+	if err != nil {
+		return err
+	}
+
+	return c.JSON(fiber.Map{"status": "success", "data": user})
+}
+
+func GetCurrentUser(c *fiber.Ctx) error {
+	user, err := getCurrentUser(c)
+	if err != nil {
+		return err
+	}
+
+	return c.JSON(fiber.Map{"status": "success", "data": user})
+}
+
+func DeleteUserById(c *fiber.Ctx) error {
+	// get current user info
+	currentUser, err := getCurrentUser(c)
+	if err != nil {
+		return err
+	}
+
+	// check current user has permission to delete user
+	if currentUser.Id != c.Params("id") && !currentUser.IsAdmin {
+		return fiber.NewError(fiber.StatusForbidden, "no permissions to delete that user")
+	}
+	
+	// delete the user
+	ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
+	defer cancel()
+	_, err = rpc.Svcs.GetUserSvc().DeleteUser(
+		ctx,
+		&userv1.DeleteUserByIdRequest{Id: c.Params("id")},
+	)
+	if err != nil {
+		return err
+	}
+
+	return c.JSON(fiber.Map{"status": "success", "msg": "user deleted"})
+}
+
+func DeleteUserByUsername(c *fiber.Ctx) error {
+	// get current user info
+	currentUser, err := getCurrentUser(c)
+	if err != nil {
+		return err
+	}
+
+	// check current user has permission to delete user
+	if currentUser.Id != c.Params("id") && !currentUser.IsAdmin {
+		return fiber.NewError(fiber.StatusForbidden, "no permissions to delete that user")
+	}
+	
+	// delete the user
+	ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
+	defer cancel()
+	_, err = rpc.Svcs.GetUserSvc().DeleteUserByName(
+		ctx,
+		&userv1.DeleteUserByNameRequest{Username: c.Params("username")},
+	)
+	if err != nil {
+		return err
+	}
+
+	return c.JSON(fiber.Map{"status": "success", "msg": "user deleted"})
+}
+
+func DeleteCurrentUser(c *fiber.Ctx) error {
+	// View access token claims
+	tokenClaims, err := handlers.GetTokenClaims(c)
+	if err != nil {
+		return err
+	}
+
+	// RPC call
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+	_, err = rpc.Svcs.GetUserSvc().DeleteUser(
+		ctx,
+		&userv1.DeleteUserByIdRequest{Id: tokenClaims.Subject},
+	)
+	if err != nil {
+		return err
+	}
+
+	return c.JSON(fiber.Map{"status": "success", "msg": "user deleted"})
+}
+
+func UserSignup(c *fiber.Ctx) error {
+	// Parse the body data
+	form := new(userSignupForm)
+	if err := c.BodyParser(form); err != nil {
+		fiber.NewError(fiber.StatusBadRequest, "malformed request")
+	}
+	
+	// Attempt to create the user
+	// todo: defer this logic away from gateway-service in future (potentially into seperate registration-service)
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+	user, err := rpc.Svcs.GetUserSvc().CreateUser(
+		ctx,
+		&userv1.CreateUserRequest{
+			Data: &userv1.UserMutable{
+				Username: &form.Username,
+			},
+		},
+	)
+	if err != nil {
+		return err
+	}
+
+	// Attempt to set password auth method for the user
+	err = setAuthMethod(user.Id, form.Password)
+	if err != nil {
+		ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
+		defer cancel()
+		_, _ = rpc.Svcs.GetUserSvc().DeleteUser(
+			ctx,
+			&userv1.DeleteUserByIdRequest{Id: user.Id},
+		)
+		return err
+	}
+
+	// Signup success - attempt to get auth token
+	token, _ := authWithPassword(user.Id, form.Password)
+	return c.JSON(fiber.Map{
+		"status": "success",
+		"data": fiber.Map{
+			"user": user,
+			"token": token,
+		},
+	})
+}