chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

services/asymkey/ssh_key.go

@@ -0,0 +1,39 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package asymkey
+
+import (
+	"context"
+
+	asymkey_model "gitea.dev/models/asymkey"
+	"gitea.dev/models/db"
+	user_model "gitea.dev/models/user"
+)
+
+// DeletePublicKey deletes SSH key information both in database and authorized_keys file.
+func DeletePublicKey(ctx context.Context, doer *user_model.User, id int64) (err error) {
+	key, err := asymkey_model.GetPublicKeyByID(ctx, id)
+	if err != nil {
+		return err
+	}
+
+	// Check if user has access to delete this key.
+	if !doer.IsAdmin && doer.ID != key.OwnerID {
+		return asymkey_model.ErrKeyAccessDenied{
+			UserID: doer.ID,
+			KeyID:  key.ID,
+			Note:   "public",
+		}
+	}
+
+	if _, err = db.DeleteByID[asymkey_model.PublicKey](ctx, id); err != nil {
+		return err
+	}
+
+	if key.Type == asymkey_model.KeyTypePrincipal {
+		return RewriteAllPrincipalKeys(ctx)
+	}
+
+	return RewriteAllPublicKeys(ctx)
+}