From 273ca49e22e1d2938e30edfc7688490a6d976807 Mon Sep 17 00:00:00 2001
From: erik <erik.seiert@meissa-gmbh.de>
Date: Thu, 16 Nov 2023 14:49:05 +0100
Subject: [PATCH] Validate on ActorData independently and move to model

---
 models/activitypub/parser.go | 49 ++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 models/activitypub/parser.go

diff --git a/models/activitypub/parser.go b/models/activitypub/parser.go
new file mode 100644
index 0000000000..5b70a184b9
--- /dev/null
+++ b/models/activitypub/parser.go
@@ -0,0 +1,49 @@
+package activitypub
+
+import (
+	"fmt"
+	"net/url"
+	"strings"
+)
+
+type ActorData struct {
+	schema string
+	userId string
+	path   string
+	host   string
+	port   string // optional
+}
+
+func (a ActorData) ValidateActor() error {
+
+	if a.schema == "" || a.host == "" {
+		return fmt.Errorf("the actor ID was not valid: Invalid Schema or Host")
+	}
+
+	if !strings.Contains(a.path, "api/v1/activitypub/user-id") {
+		return fmt.Errorf("the Path to the API was invalid: %v", a.path)
+	}
+
+	return nil
+
+}
+
+func ParseActor(actor string) (ActorData, error) {
+	u, err := url.Parse(actor)
+
+	// check if userID IRI is well formed url
+	if err != nil {
+		return ActorData{}, fmt.Errorf("the actor ID was not a valid IRI: %v", err)
+	}
+
+	pathWithUserID := strings.Split(u.Path, "/")
+	userId := pathWithUserID[len(pathWithUserID)-1]
+
+	return ActorData{
+		schema: u.Scheme,
+		userId: userId,
+		host:   u.Host,
+		path:   u.Path,
+		port:   u.Port(),
+	}, nil
+}