1 files changed, 63 insertions, 0 deletions
diff --git a/models/asymkey/gpg_key_commit_verification.go b/models/asymkey/gpg_key_commit_verification.go
new file mode 100644
index 0000000..9aa6064
--- /dev/null
+++ b/models/asymkey/gpg_key_commit_verification.go
@@ -0,0 +1,63 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package asymkey
+
+import (
+	"context"
+
+	repo_model "code.gitea.io/gitea/models/repo"
+	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/git"
+)
+
+//   __________________  ________   ____  __.
+//  /  _____/\______   \/  _____/  |    |/ _|____ ___.__.
+// /   \  ___ |     ___/   \  ___  |      <_/ __ <   |  |
+// \    \_\  \|    |   \    \_\  \ |    |  \  ___/\___  |
+//  \______  /|____|    \______  / |____|__ \___  > ____|
+//         \/                  \/          \/   \/\/
+// _________                        .__  __
+// \_   ___ \  ____   _____   _____ |__|/  |_
+// /    \  \/ /  _ \ /     \ /     \|  \   __\
+// \     \___(  <_> )  Y Y  \  Y Y  \  ||  |
+//  \______  /\____/|__|_|  /__|_|  /__||__|
+//         \/             \/      \/
+// ____   ____           .__  _____.__               __  .__
+// \   \ /   /___________|__|/ ____\__| ____ _____ _/  |_|__| ____   ____
+//  \   Y   // __ \_  __ \  \   __\|  |/ ___\\__  \\   __\  |/  _ \ /    \
+//   \     /\  ___/|  | \/  ||  |  |  \  \___ / __ \|  | |  (  <_> )   |  \
+//    \___/  \___  >__|  |__||__|  |__|\___  >____  /__| |__|\____/|___|  /
+//               \/                        \/     \/                    \/
+
+// This file provides functions relating commit verification
+
+// SignCommit represents a commit with validation of signature.
+type SignCommit struct {
+	Verification *ObjectVerification
+	*user_model.UserCommit
+}
+
+// ParseCommitsWithSignature checks if signaute of commits are corresponding to users gpg keys.
+func ParseCommitsWithSignature(ctx context.Context, oldCommits []*user_model.UserCommit, repoTrustModel repo_model.TrustModelType, isOwnerMemberCollaborator func(*user_model.User) (bool, error)) []*SignCommit {
+	newCommits := make([]*SignCommit, 0, len(oldCommits))
+	keyMap := map[string]bool{}
+
+	for _, c := range oldCommits {
+		o := commitToGitObject(c.Commit)
+		signCommit := &SignCommit{
+			UserCommit:   c,
+			Verification: ParseObjectWithSignature(ctx, &o),
+		}
+
+		_ = CalculateTrustStatus(signCommit.Verification, repoTrustModel, isOwnerMemberCollaborator, &keyMap)
+
+		newCommits = append(newCommits, signCommit)
+	}
+	return newCommits
+}
+
+func ParseCommitWithSignature(ctx context.Context, c *git.Commit) *ObjectVerification {
+	o := commitToGitObject(c)
+	return ParseObjectWithSignature(ctx, &o)
+}