mirror of
https://github.com/n8n-io/n8n.git
synced 2024-12-29 06:29:42 -08:00
640 lines
18 KiB
TypeScript
640 lines
18 KiB
TypeScript
import type {
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IHookFunctions,
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IWebhookFunctions,
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IDataObject,
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INodeType,
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INodeTypeDescription,
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IWebhookResponseData,
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JsonObject,
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} from 'n8n-workflow';
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import { NodeConnectionType, NodeApiError, NodeOperationError } from 'n8n-workflow';
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import { githubApiRequest } from './GenericFunctions';
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import { getRepositories, getUsers } from './SearchFunctions';
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export class GithubTrigger implements INodeType {
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description: INodeTypeDescription = {
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displayName: 'Github Trigger',
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name: 'githubTrigger',
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icon: { light: 'file:github.svg', dark: 'file:github.dark.svg' },
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group: ['trigger'],
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version: 1,
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subtitle:
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'={{$parameter["owner"] + "/" + $parameter["repository"] + ": " + $parameter["events"].join(", ")}}',
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description: 'Starts the workflow when Github events occur',
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defaults: {
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name: 'Github Trigger',
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},
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inputs: [],
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outputs: [NodeConnectionType.Main],
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credentials: [
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{
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name: 'githubApi',
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required: true,
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displayOptions: {
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show: {
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authentication: ['accessToken'],
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},
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},
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},
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{
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name: 'githubOAuth2Api',
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required: true,
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displayOptions: {
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show: {
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authentication: ['oAuth2'],
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},
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},
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},
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],
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webhooks: [
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{
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name: 'default',
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httpMethod: 'POST',
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responseMode: 'onReceived',
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path: 'webhook',
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},
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],
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properties: [
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{
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displayName:
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'Only members with owner privileges for an organization or admin privileges for a repository can set up the webhooks this node requires.',
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name: 'notice',
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type: 'notice',
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default: '',
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},
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{
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displayName: 'Authentication',
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name: 'authentication',
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type: 'options',
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options: [
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{
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name: 'Access Token',
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value: 'accessToken',
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},
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{
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name: 'OAuth2',
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value: 'oAuth2',
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},
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],
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default: 'accessToken',
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},
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{
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displayName: 'Repository Owner',
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name: 'owner',
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type: 'resourceLocator',
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default: { mode: 'list', value: '' },
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required: true,
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modes: [
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{
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displayName: 'Repository Owner',
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name: 'list',
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type: 'list',
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placeholder: 'Select an owner...',
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typeOptions: {
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searchListMethod: 'getUsers',
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searchable: true,
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searchFilterRequired: true,
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},
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},
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{
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displayName: 'Link',
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name: 'url',
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type: 'string',
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placeholder: 'e.g. https://github.com/n8n-io',
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extractValue: {
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type: 'regex',
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regex: 'https:\\/\\/github.com\\/([-_0-9a-zA-Z]+)',
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},
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validation: [
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{
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type: 'regex',
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properties: {
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regex: 'https:\\/\\/github.com\\/([-_0-9a-zA-Z]+)(?:.*)',
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errorMessage: 'Not a valid Github URL',
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},
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},
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],
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},
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{
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displayName: 'By Name',
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name: 'name',
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type: 'string',
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placeholder: 'e.g. n8n-io',
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validation: [
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{
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type: 'regex',
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properties: {
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regex: '[-_a-zA-Z0-9]+',
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errorMessage: 'Not a valid Github Owner Name',
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},
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},
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],
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url: '=https://github.com/{{$value}}',
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},
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],
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},
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{
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displayName: 'Repository Name',
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name: 'repository',
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type: 'resourceLocator',
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default: { mode: 'list', value: '' },
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required: true,
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modes: [
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{
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displayName: 'Repository Name',
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name: 'list',
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type: 'list',
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placeholder: 'Select an Repository...',
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typeOptions: {
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searchListMethod: 'getRepositories',
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searchable: true,
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},
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},
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{
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displayName: 'Link',
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name: 'url',
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type: 'string',
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placeholder: 'e.g. https://github.com/n8n-io/n8n',
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extractValue: {
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type: 'regex',
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regex: 'https:\\/\\/github.com\\/(?:[-_0-9a-zA-Z]+)\\/([-_.0-9a-zA-Z]+)',
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},
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validation: [
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{
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type: 'regex',
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properties: {
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regex: 'https:\\/\\/github.com\\/(?:[-_0-9a-zA-Z]+)\\/([-_.0-9a-zA-Z]+)(?:.*)',
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errorMessage: 'Not a valid Github Repository URL',
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},
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},
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],
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},
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{
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displayName: 'By Name',
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name: 'name',
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type: 'string',
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placeholder: 'e.g. n8n',
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validation: [
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{
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type: 'regex',
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properties: {
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regex: '[-_.0-9a-zA-Z]+',
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errorMessage: 'Not a valid Github Repository Name',
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},
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},
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],
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url: '=https://github.com/{{$parameter["owner"]}}/{{$value}}',
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},
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],
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},
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{
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displayName: 'Events',
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name: 'events',
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type: 'multiOptions',
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options: [
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{
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name: '*',
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value: '*',
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description: 'Any time any event is triggered (Wildcard Event)',
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},
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{
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name: 'Check Run',
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value: 'check_run',
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description:
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'Triggered when a check run is created, rerequested, completed, or has a requested_action',
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},
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{
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name: 'Check Suite',
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value: 'check_suite',
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description: 'Triggered when a check suite is completed, requested, or rerequested',
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},
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{
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name: 'Commit Comment',
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value: 'commit_comment',
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description: 'Triggered when a commit comment is created',
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},
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{
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name: 'Create',
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value: 'create',
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description: 'Represents a created repository, branch, or tag',
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},
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{
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name: 'Delete',
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value: 'delete',
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description: 'Represents a deleted branch or tag',
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},
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{
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name: 'Deploy Key',
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value: 'deploy_key',
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description: 'Triggered when a deploy key is added or removed from a repository',
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},
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{
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name: 'Deployment',
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value: 'deployment',
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description: 'Represents a deployment',
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},
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{
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name: 'Deployment Status',
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value: 'deployment_status',
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description: 'Represents a deployment status',
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},
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{
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name: 'Fork',
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value: 'fork',
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description: 'Triggered when a user forks a repository',
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},
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{
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name: 'Github App Authorization',
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value: 'github_app_authorization',
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description: 'Triggered when someone revokes their authorization of a GitHub App',
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},
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{
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name: 'Gollum',
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value: 'gollum',
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description: 'Triggered when a Wiki page is created or updated',
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},
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{
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name: 'Installation',
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value: 'installation',
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description:
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'Triggered when someone installs (created), uninstalls (deleted), or accepts new permissions (new_permissions_accepted) for a GitHub App. When a GitHub App owner requests new permissions, the person who installed the GitHub App must accept the new permissions request.',
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},
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{
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name: 'Installation Repositories',
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value: 'installation_repositories',
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description: 'Triggered when a repository is added or removed from an installation',
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},
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{
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name: 'Issue Comment',
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value: 'issue_comment',
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description: 'Triggered when an issue comment is created, edited, or deleted',
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},
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{
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name: 'Issues',
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value: 'issues',
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description:
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'Triggered when an issue is opened, edited, deleted, transferred, pinned, unpinned, closed, reopened, assigned, unassigned, labeled, unlabeled, locked, unlocked, milestoned, or demilestoned',
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},
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{
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name: 'Label',
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value: 'label',
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description: "Triggered when a repository's label is created, edited, or deleted",
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},
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{
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name: 'Marketplace Purchase',
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value: 'marketplace_purchase',
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description:
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'Triggered when someone purchases a GitHub Marketplace plan, cancels their plan, upgrades their plan (effective immediately), downgrades a plan that remains pending until the end of the billing cycle, or cancels a pending plan change',
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},
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{
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name: 'Member',
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value: 'member',
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description:
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'Triggered when a user accepts an invitation or is removed as a collaborator to a repository, or has their permissions changed',
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},
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{
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name: 'Membership',
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value: 'membership',
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description:
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'Triggered when a user is added or removed from a team. Organization hooks only.',
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},
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{
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name: 'Meta',
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value: 'meta',
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description: 'Triggered when the webhook that this event is configured on is deleted',
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},
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{
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name: 'Milestone',
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value: 'milestone',
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description:
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'Triggered when a milestone is created, closed, opened, edited, or deleted',
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},
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{
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name: 'Org Block',
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value: 'org_block',
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description:
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'Triggered when an organization blocks or unblocks a user. Organization hooks only.',
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},
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{
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name: 'Organization',
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value: 'organization',
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description:
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'Triggered when an organization is deleted and renamed, and when a user is added, removed, or invited to an organization. Organization hooks only.',
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},
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{
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name: 'Page Build',
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value: 'page_build',
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description:
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'Triggered on push to a GitHub Pages enabled branch (gh-pages for project pages, master for user and organization pages)',
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},
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{
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name: 'Project',
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value: 'project',
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description:
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'Triggered when a project is created, updated, closed, reopened, or deleted',
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},
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{
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name: 'Project Card',
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value: 'project_card',
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description:
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'Triggered when a project card is created, edited, moved, converted to an issue, or deleted',
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},
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{
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name: 'Project Column',
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value: 'project_column',
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description: 'Triggered when a project column is created, updated, moved, or deleted',
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},
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{
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name: 'Public',
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value: 'public',
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description: 'Triggered when a private repository is open sourced',
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},
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{
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name: 'Pull Request',
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value: 'pull_request',
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description:
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'Triggered when a pull request is assigned, unassigned, labeled, unlabeled, opened, edited, closed, reopened, synchronize, ready_for_review, locked, unlocked, a pull request review is requested, or a review request is removed',
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},
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{
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name: 'Pull Request Review',
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value: 'pull_request_review',
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description:
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'Triggered when a pull request review is submitted into a non-pending state, the body is edited, or the review is dismissed',
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},
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{
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name: 'Pull Request Review Comment',
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value: 'pull_request_review_comment',
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description:
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"Triggered when a comment on a pull request's unified diff is created, edited, or deleted (in the Files Changed tab)",
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},
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{
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name: 'Push',
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value: 'push',
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description:
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'Triggered on a push to a repository branch. Branch pushes and repository tag pushes also trigger webhook push events. This is the default event.',
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},
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{
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name: 'Release',
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value: 'release',
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description:
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'Triggered when a release is published, unpublished, created, edited, deleted, or prereleased',
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},
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{
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name: 'Repository',
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value: 'repository',
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description:
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'Triggered when a repository is created, archived, unarchived, renamed, edited, transferred, made public, or made private. Organization hooks are also triggered when a repository is deleted.',
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},
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{
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name: 'Repository Import',
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value: 'repository_import',
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description:
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'Triggered when a successful, cancelled, or failed repository import finishes for a GitHub organization or a personal repository',
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},
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{
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name: 'Repository Vulnerability Alert',
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value: 'repository_vulnerability_alert',
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description: 'Triggered when a security alert is created, dismissed, or resolved',
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},
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{
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name: 'Security Advisory',
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value: 'security_advisory',
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description:
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'Triggered when a new security advisory is published, updated, or withdrawn',
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},
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{
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name: 'Star',
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value: 'star',
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description: 'Triggered when a star is added or removed from a repository',
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},
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{
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name: 'Status',
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value: 'status',
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description: 'Triggered when the status of a Git commit changes',
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},
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{
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name: 'Team',
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value: 'team',
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description:
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"Triggered when an organization's team is created, deleted, edited, added_to_repository, or removed_from_repository. Organization hooks only.",
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},
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{
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name: 'Team Add',
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value: 'team_add',
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description: 'Triggered when a repository is added to a team',
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},
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{
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name: 'Watch',
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value: 'watch',
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description: 'Triggered when someone stars a repository',
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},
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],
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required: true,
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default: [],
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description: 'The events to listen to',
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},
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{
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displayName: 'Options',
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name: 'options',
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type: 'collection',
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placeholder: 'Add option',
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default: {},
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options: [
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{
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displayName: 'Insecure SSL',
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name: 'insecureSSL',
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type: 'boolean',
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default: false,
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description:
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'Whether the SSL certificate of the n8n host be verified by GitHub when delivering payloads',
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},
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],
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},
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],
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};
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webhookMethods = {
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default: {
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async checkExists(this: IHookFunctions): Promise<boolean> {
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const webhookData = this.getWorkflowStaticData('node');
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if (webhookData.webhookId === undefined) {
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// No webhook id is set so no webhook can exist
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return false;
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}
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// Webhook got created before so check if it still exists
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const owner = this.getNodeParameter('owner', '', { extractValue: true }) as string;
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const repository = this.getNodeParameter('repository', '', {
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extractValue: true,
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}) as string;
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const endpoint = `/repos/${owner}/${repository}/hooks/${webhookData.webhookId}`;
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try {
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await githubApiRequest.call(this, 'GET', endpoint, {});
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} catch (error) {
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if (error.cause.httpCode === '404') {
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// Webhook does not exist
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delete webhookData.webhookId;
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delete webhookData.webhookEvents;
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return false;
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}
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// Some error occurred
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throw error;
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}
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// If it did not error then the webhook exists
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return true;
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},
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async create(this: IHookFunctions): Promise<boolean> {
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const webhookUrl = this.getNodeWebhookUrl('default') as string;
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if (webhookUrl.includes('//localhost')) {
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throw new NodeOperationError(
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this.getNode(),
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'The Webhook can not work on "localhost". Please, either setup n8n on a custom domain or start with "--tunnel"!',
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);
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}
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const owner = this.getNodeParameter('owner', '', { extractValue: true }) as string;
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const repository = this.getNodeParameter('repository', '', {
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extractValue: true,
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}) as string;
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const events = this.getNodeParameter('events', []);
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const endpoint = `/repos/${owner}/${repository}/hooks`;
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const options = this.getNodeParameter('options') as { insecureSSL: boolean };
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const body = {
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name: 'web',
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config: {
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url: webhookUrl,
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content_type: 'json',
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insecure_ssl: options.insecureSSL ? '1' : '0',
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},
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events,
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active: true,
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};
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const webhookData = this.getWorkflowStaticData('node');
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let responseData;
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try {
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responseData = await githubApiRequest.call(this, 'POST', endpoint, body);
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} catch (error) {
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if (error.cause.httpCode === '422') {
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// Webhook exists already
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// Get the data of the already registered webhook
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responseData = await githubApiRequest.call(this, 'GET', endpoint, body);
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for (const webhook of responseData as IDataObject[]) {
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if ((webhook.config! as IDataObject).url! === webhookUrl) {
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// Webhook got found
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if (JSON.stringify(webhook.events) === JSON.stringify(events)) {
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// Webhook with same events exists already so no need to
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// create it again simply save the webhook-id
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webhookData.webhookId = webhook.id as string;
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webhookData.webhookEvents = webhook.events as string[];
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return true;
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}
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}
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}
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throw new NodeOperationError(
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this.getNode(),
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'A webhook with the identical URL probably exists already. Please delete it manually on Github!',
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{ level: 'warning' },
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);
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}
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if (error.cause.httpCode === '404') {
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throw new NodeOperationError(
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this.getNode(),
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'Check that the repository exists and that you have permission to create the webhooks this node requires',
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{ level: 'warning' },
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);
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}
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throw error;
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}
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if (responseData.id === undefined || responseData.active !== true) {
|
|
// Required data is missing so was not successful
|
|
throw new NodeApiError(this.getNode(), responseData as JsonObject, {
|
|
message: 'Github webhook creation response did not contain the expected data.',
|
|
});
|
|
}
|
|
|
|
webhookData.webhookId = responseData.id as string;
|
|
webhookData.webhookEvents = responseData.events as string[];
|
|
|
|
return true;
|
|
},
|
|
async delete(this: IHookFunctions): Promise<boolean> {
|
|
const webhookData = this.getWorkflowStaticData('node');
|
|
|
|
if (webhookData.webhookId !== undefined) {
|
|
const owner = this.getNodeParameter('owner', '', { extractValue: true }) as string;
|
|
const repository = this.getNodeParameter('repository', '', {
|
|
extractValue: true,
|
|
}) as string;
|
|
const endpoint = `/repos/${owner}/${repository}/hooks/${webhookData.webhookId}`;
|
|
const body = {};
|
|
|
|
try {
|
|
await githubApiRequest.call(this, 'DELETE', endpoint, body);
|
|
} catch (error) {
|
|
return false;
|
|
}
|
|
|
|
// Remove from the static workflow data so that it is clear
|
|
// that no webhooks are registered anymore
|
|
delete webhookData.webhookId;
|
|
delete webhookData.webhookEvents;
|
|
}
|
|
|
|
return true;
|
|
},
|
|
},
|
|
};
|
|
|
|
methods = {
|
|
listSearch: {
|
|
getUsers,
|
|
getRepositories,
|
|
},
|
|
};
|
|
|
|
async webhook(this: IWebhookFunctions): Promise<IWebhookResponseData> {
|
|
const bodyData = this.getBodyData();
|
|
|
|
// Check if the webhook is only the ping from Github to confirm if it workshook_id
|
|
if (bodyData.hook_id !== undefined && bodyData.action === undefined) {
|
|
// Is only the ping and not an actual webhook call. So return 'OK'
|
|
// but do not start the workflow.
|
|
|
|
return {
|
|
webhookResponse: 'OK',
|
|
};
|
|
}
|
|
|
|
// Is a regular webhook call
|
|
|
|
// TODO: Add headers & requestPath
|
|
const returnData: IDataObject[] = [];
|
|
|
|
returnData.push({
|
|
body: bodyData,
|
|
headers: this.getHeaderData(),
|
|
query: this.getQueryData(),
|
|
});
|
|
|
|
return {
|
|
workflowData: [this.helpers.returnJsonArray(returnData)],
|
|
};
|
|
}
|
|
}
|