Merge commit from fork

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

Author: crenshaw-dev

util/webhook/webhook.go

@@ -280,11 +280,13 @@ func (a *ArgoCDWebhookHandler) affectedRevisionInfo(payloadIf any) (webURLs []st
 		// so we cannot update changedFiles for this type of payload
 
 	case gogsclient.PushPayload:
-		webURLs = append(webURLs, payload.Repo.HTMLURL)
 		revision = ParseRevision(payload.Ref)
 		change.shaAfter = ParseRevision(payload.After)
 		change.shaBefore = ParseRevision(payload.Before)
-		touchedHead = bool(payload.Repo.DefaultBranch == revision)
+		if payload.Repo != nil {
+			webURLs = append(webURLs, payload.Repo.HTMLURL)
+			touchedHead = payload.Repo.DefaultBranch == revision
+		}
 		for _, commit := range payload.Commits {
 			changedFiles = append(changedFiles, commit.Added...)
 			changedFiles = append(changedFiles, commit.Modified...)

util/webhook/webhook_test.go

@@ -705,6 +705,9 @@ func Test_affectedRevisionInfo_appRevisionHasChanged(t *testing.T) {
 		{true, "refs/tags/no-slashes", bitbucketRefChangedPayload("no-slashes"), "bitbucket ref changed branch or tag name without slashes, targetRevision tag prefixed"},
 		{true, "refs/tags/no-slashes", gogsPushPayload("no-slashes"), "gogs push branch or tag name without slashes, targetRevision tag prefixed"},
 
+		// Tests fix for https://github.com/argoproj/argo-cd/security/advisories/GHSA-wp4p-9pxh-cgx2
+		{true, "test", gogsclient.PushPayload{Ref: "test", Repo: nil}, "gogs push branch with nil repo in payload"},
+
 		// Testing fix for https://github.com/argoproj/argo-cd/security/advisories/GHSA-gpx4-37g2-c8pv
 		{false, "test", azuredevops.GitPushEvent{Resource: azuredevops.Resource{RefUpdates: []azuredevops.RefUpdate{}}}, "Azure DevOps malformed push event with no ref updates"},