✨ Permission check

pkg/internal/web/api/index.go

@@ -198,6 +198,9 @@ func MapControllers(app *fiber.App, baseURL string) {
 			}
 		}
 
+		api.Post("/permissions/check", checkPermission)
+		api.Post("/permissions/check/:userId", checkUserPermission)
+
 		api.All("/*", func(c *fiber.Ctx) error {
 			return fiber.ErrNotFound
 		})

pkg/internal/web/api/perms_api.go

@@ -0,0 +1,53 @@
+package api
+
+import (
+	"git.solsynth.dev/hypernet/passport/pkg/authkit/models"
+	"git.solsynth.dev/hypernet/passport/pkg/internal/services"
+	"git.solsynth.dev/hypernet/passport/pkg/internal/web/exts"
+	"github.com/gofiber/fiber/v2"
+	jsoniter "github.com/json-iterator/go"
+)
+
+func checkPermission(c *fiber.Ctx) error {
+	var data struct {
+		PermNode string `json:"perm_node" validate:"required"`
+		Value    any    `json:"value" validate:"required"`
+	}
+	if err := exts.BindAndValidate(c, &data); err != nil {
+		return err
+	}
+	if err := exts.EnsureAuthenticated(c); err != nil {
+		return err
+	}
+	user := c.Locals("user").(models.Account)
+	var heldPerms map[string]any
+	rawHeldPerms, _ := jsoniter.Marshal(user.PermNodes)
+	_ = jsoniter.Unmarshal(rawHeldPerms, &heldPerms)
+	valid := services.HasPermNode(heldPerms, data.PermNode, data.Value)
+	if !valid {
+		return c.SendStatus(fiber.StatusForbidden)
+	}
+	return c.SendStatus(fiber.StatusOK)
+}
+
+func checkUserPermission(c *fiber.Ctx) error {
+	var data struct {
+		PermNode string `json:"perm_node" validate:"required"`
+		Value    any    `json:"value" validate:"required"`
+	}
+	if err := exts.EnsureAuthenticated(c); err != nil {
+		return err
+	}
+	user := c.Locals("user").(models.Account)
+	relatedId, _ := c.ParamsInt("userId")
+	relation, err := services.GetRelationWithTwoNode(user.ID, uint(relatedId))
+	if err != nil {
+		return err
+	}
+	defaultPerm := relation.Status == models.RelationshipFriend
+	valid := services.HasPermNodeWithDefault(relation.PermNodes, data.PermNode, data.Value, defaultPerm)
+	if !valid {
+		return c.SendStatus(fiber.StatusForbidden)
+	}
+	return c.SendStatus(fiber.StatusOK)
+}