1 files changed, 50 insertions, 0 deletions
diff --git a/services/asymkey/ssh_key.go b/services/asymkey/ssh_key.go
new file mode 100644
index 0000000..83d7eda
--- /dev/null
+++ b/services/asymkey/ssh_key.go
@@ -0,0 +1,50 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package asymkey
+
+import (
+	"context"
+
+	asymkey_model "code.gitea.io/gitea/models/asymkey"
+	"code.gitea.io/gitea/models/db"
+	user_model "code.gitea.io/gitea/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",
+		}
+	}
+
+	dbCtx, committer, err := db.TxContext(ctx)
+	if err != nil {
+		return err
+	}
+	defer committer.Close()
+
+	if _, err = db.DeleteByID[asymkey_model.PublicKey](dbCtx, id); err != nil {
+		return err
+	}
+
+	if err = committer.Commit(); err != nil {
+		return err
+	}
+	committer.Close()
+
+	if key.Type == asymkey_model.KeyTypePrincipal {
+		return asymkey_model.RewriteAllPrincipalKeys(ctx)
+	}
+
+	return asymkey_model.RewriteAllPublicKeys(ctx)
+}