From bc080070edbf81468dcd44765b01d334fadbb82f Mon Sep 17 00:00:00 2001
From: Gergely Nagy <forgejo@gergo.csillger.hu>
Date: Sat, 30 Mar 2024 15:46:03 +0100
Subject: [PATCH] An integration test for SSH signed tags

Signed-off-by: Gergely Nagy <forgejo@gergo.csillger.hu>
---
 tests/integration/repo_signed_tag_test.go | 107 ++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 tests/integration/repo_signed_tag_test.go

diff --git a/tests/integration/repo_signed_tag_test.go b/tests/integration/repo_signed_tag_test.go
new file mode 100644
index 0000000000..a2904dc075
--- /dev/null
+++ b/tests/integration/repo_signed_tag_test.go
@@ -0,0 +1,107 @@
+// Copyright 2024 The Forgejo Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package integration
+
+import (
+	"fmt"
+	"net/http"
+	"os"
+	"os/exec"
+	"testing"
+
+	auth_model "code.gitea.io/gitea/models/auth"
+	"code.gitea.io/gitea/models/db"
+	"code.gitea.io/gitea/models/unittest"
+	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/git"
+	"code.gitea.io/gitea/modules/gitrepo"
+	"code.gitea.io/gitea/modules/graceful"
+	repo_module "code.gitea.io/gitea/modules/repository"
+	api "code.gitea.io/gitea/modules/structs"
+	"code.gitea.io/gitea/tests"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestRepoSSHSignedTags(t *testing.T) {
+	defer tests.PrepareTestEnv(t)()
+
+	// Preparations
+	user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
+	repo, _, f := CreateDeclarativeRepo(t, user, "", nil, nil, nil)
+	defer f()
+
+	// Set up an SSH key for the tagger
+	tmpDir := t.TempDir()
+	err := os.Chmod(tmpDir, 0o700)
+	assert.NoError(t, err)
+
+	signingKey := fmt.Sprintf("%s/ssh_key", tmpDir)
+
+	cmd := exec.Command("ssh-keygen", "-t", "ed25519", "-N", "", "-f", signingKey)
+	err = cmd.Run()
+	assert.NoError(t, err)
+
+	// Set up git config for the tagger
+	_ = git.NewCommand(git.DefaultContext, "config", "user.name").AddDynamicArguments(user.Name).Run(&git.RunOpts{Dir: repo.RepoPath()})
+	_ = git.NewCommand(git.DefaultContext, "config", "user.email").AddDynamicArguments(user.Email).Run(&git.RunOpts{Dir: repo.RepoPath()})
+	_ = git.NewCommand(git.DefaultContext, "config", "gpg.format", "ssh").Run(&git.RunOpts{Dir: repo.RepoPath()})
+	_ = git.NewCommand(git.DefaultContext, "config", "user.signingkey").AddDynamicArguments(signingKey).Run(&git.RunOpts{Dir: repo.RepoPath()})
+
+	// Open the git repo
+	gitRepo, _ := gitrepo.OpenRepository(git.DefaultContext, repo)
+	defer gitRepo.Close()
+
+	// Create a signed tag
+	err = git.NewCommand(git.DefaultContext, "tag", "-s", "-m", "this is a signed tag", "ssh-signed-tag").Run(&git.RunOpts{Dir: repo.RepoPath()})
+	assert.NoError(t, err)
+
+	// Sync the tag to the DB
+	repo_module.SyncRepoTags(graceful.GetManager().ShutdownContext(), repo.ID)
+
+	// Helper functions
+	assertTagSignedStatus := func(t *testing.T, isSigned bool) {
+		t.Helper()
+
+		req := NewRequestf(t, "GET", "%s/releases/tag/ssh-signed-tag", repo.HTMLURL())
+		resp := MakeRequest(t, req, http.StatusOK)
+		doc := NewHTMLParser(t, resp.Body)
+
+		doc.AssertElement(t, ".tag-signature-row .gitea-unlock", !isSigned)
+		doc.AssertElement(t, ".tag-signature-row .gitea-lock", isSigned)
+	}
+
+	t.Run("unverified", func(t *testing.T) {
+		defer tests.PrintCurrentTest(t)()
+
+		assertTagSignedStatus(t, false)
+	})
+
+	t.Run("verified", func(t *testing.T) {
+		defer tests.PrintCurrentTest(t)()
+
+		// Upload the signing key
+		keyData, err := os.ReadFile(fmt.Sprintf("%s.pub", signingKey))
+		assert.NoError(t, err)
+		key := string(keyData)
+
+		session := loginUser(t, user.Name)
+		token := getTokenForLoggedInUser(t, session, auth_model.AccessTokenScopeWriteUser)
+
+		req := NewRequestWithJSON(t, "POST", "/api/v1/user/keys", &api.CreateKeyOption{
+			Key:   key,
+			Title: "test key",
+		}).AddTokenAuth(token)
+		resp := MakeRequest(t, req, http.StatusCreated)
+
+		var pubkey *api.PublicKey
+		DecodeJSON(t, resp, &pubkey)
+
+		// Mark the key as verified
+		db.GetEngine(db.DefaultContext).Exec("UPDATE `public_key` SET verified = true WHERE id = ?", pubkey.ID)
+
+		// Check the tag page
+		assertTagSignedStatus(t, true)
+	})
+}