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diff --git a/modules/actions/github.go b/modules/actions/github.go
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+++ b/modules/actions/github.go
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+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package actions
+
+import (
+	webhook_module "code.gitea.io/gitea/modules/webhook"
+)
+
+const (
+	GithubEventPullRequest              = "pull_request"
+	GithubEventPullRequestTarget        = "pull_request_target"
+	GithubEventPullRequestReviewComment = "pull_request_review_comment"
+	GithubEventPullRequestReview        = "pull_request_review"
+	GithubEventRegistryPackage          = "registry_package"
+	GithubEventCreate                   = "create"
+	GithubEventDelete                   = "delete"
+	GithubEventFork                     = "fork"
+	GithubEventPush                     = "push"
+	GithubEventIssues                   = "issues"
+	GithubEventIssueComment             = "issue_comment"
+	GithubEventRelease                  = "release"
+	GithubEventPullRequestComment       = "pull_request_comment"
+	GithubEventGollum                   = "gollum"
+	GithubEventSchedule                 = "schedule"
+	GithubEventWorkflowDispatch         = "workflow_dispatch"
+)
+
+// IsDefaultBranchWorkflow returns true if the event only triggers workflows on the default branch
+func IsDefaultBranchWorkflow(triggedEvent webhook_module.HookEventType) bool {
+	switch triggedEvent {
+	case webhook_module.HookEventDelete:
+		// GitHub "delete" event
+		// https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#delete
+		return true
+	case webhook_module.HookEventFork:
+		// GitHub "fork" event
+		// https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#fork
+		return true
+	case webhook_module.HookEventIssueComment:
+		// GitHub "issue_comment" event
+		// https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#issue_comment
+		return true
+	case webhook_module.HookEventPullRequestComment:
+		// GitHub "pull_request_comment" event
+		// https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request_comment-use-issue_comment
+		return true
+	case webhook_module.HookEventWiki:
+		// GitHub "gollum" event
+		// https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#gollum
+		return true
+	case webhook_module.HookEventSchedule:
+		// GitHub "schedule" event
+		// https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#schedule
+		return true
+	case webhook_module.HookEventWorkflowDispatch:
+		// GitHub "workflow_dispatch" event
+		// https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#workflow_dispatch
+		return true
+	case webhook_module.HookEventIssues,
+		webhook_module.HookEventIssueAssign,
+		webhook_module.HookEventIssueLabel,
+		webhook_module.HookEventIssueMilestone:
+		// Github "issues" event
+		// https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#issues
+		return true
+	}
+
+	return false
+}
+
+// canGithubEventMatch check if the input Github event can match any Gitea event.
+func canGithubEventMatch(eventName string, triggedEvent webhook_module.HookEventType) bool {
+	switch eventName {
+	case GithubEventRegistryPackage:
+		return triggedEvent == webhook_module.HookEventPackage
+
+	// See https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#gollum
+	case GithubEventGollum:
+		return triggedEvent == webhook_module.HookEventWiki
+
+	case GithubEventWorkflowDispatch:
+		return triggedEvent == webhook_module.HookEventWorkflowDispatch
+
+	case GithubEventIssues:
+		switch triggedEvent {
+		case webhook_module.HookEventIssues,
+			webhook_module.HookEventIssueAssign,
+			webhook_module.HookEventIssueLabel,
+			webhook_module.HookEventIssueMilestone:
+			return true
+
+		default:
+			return false
+		}
+
+	case GithubEventPullRequest, GithubEventPullRequestTarget:
+		switch triggedEvent {
+		case webhook_module.HookEventPullRequest,
+			webhook_module.HookEventPullRequestSync,
+			webhook_module.HookEventPullRequestAssign,
+			webhook_module.HookEventPullRequestLabel,
+			webhook_module.HookEventPullRequestReviewRequest,
+			webhook_module.HookEventPullRequestMilestone:
+			return true
+
+		default:
+			return false
+		}
+
+	case GithubEventPullRequestReview:
+		switch triggedEvent {
+		case webhook_module.HookEventPullRequestReviewApproved,
+			webhook_module.HookEventPullRequestReviewComment,
+			webhook_module.HookEventPullRequestReviewRejected:
+			return true
+
+		default:
+			return false
+		}
+
+	case GithubEventIssueComment:
+		// https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request_comment-use-issue_comment
+		return triggedEvent == webhook_module.HookEventIssueComment ||
+			triggedEvent == webhook_module.HookEventPullRequestComment
+
+	case GithubEventSchedule:
+		return triggedEvent == webhook_module.HookEventSchedule
+
+	default:
+		return eventName == string(triggedEvent)
+	}
+}