n8n/packages/nodes-base/nodes/Github/GithubTrigger.node.ts
कारतोफ्फेलस्क्रिप्ट™ 7a4e9ef5fa
refactor: Remove n8n-core dependency in nodes-base (no-changelog) (#5649)
2023-03-09 18:13:15 +01:00

627 lines
18 KiB
TypeScript

import type {
IHookFunctions,
IWebhookFunctions,
IDataObject,
INodeType,
INodeTypeDescription,
IWebhookResponseData,
JsonObject,
} from 'n8n-workflow';
import { NodeApiError, NodeOperationError } from 'n8n-workflow';
import { githubApiRequest } from './GenericFunctions';
import { getRepositories, getUsers } from './SearchFunctions';
export class GithubTrigger implements INodeType {
description: INodeTypeDescription = {
displayName: 'Github Trigger',
name: 'githubTrigger',
icon: 'file:github.svg',
group: ['trigger'],
version: 1,
subtitle:
'={{$parameter["owner"] + "/" + $parameter["repository"] + ": " + $parameter["events"].join(", ")}}',
description: 'Starts the workflow when Github events occur',
defaults: {
name: 'Github Trigger',
},
inputs: [],
outputs: ['main'],
credentials: [
{
name: 'githubApi',
required: true,
displayOptions: {
show: {
authentication: ['accessToken'],
},
},
},
{
name: 'githubOAuth2Api',
required: true,
displayOptions: {
show: {
authentication: ['oAuth2'],
},
},
},
],
webhooks: [
{
name: 'default',
httpMethod: 'POST',
responseMode: 'onReceived',
path: 'webhook',
},
],
properties: [
{
displayName:
'Only members with owner privileges for an organization or admin privileges for a repository can set up the webhooks this node requires.',
name: 'notice',
type: 'notice',
default: '',
},
{
displayName: 'Authentication',
name: 'authentication',
type: 'options',
options: [
{
name: 'Access Token',
value: 'accessToken',
},
{
name: 'OAuth2',
value: 'oAuth2',
},
],
default: 'accessToken',
},
{
displayName: 'Repository Owner',
name: 'owner',
type: 'resourceLocator',
default: { mode: 'list', value: '' },
required: true,
modes: [
{
displayName: 'Repository Owner',
name: 'list',
type: 'list',
placeholder: 'Select an owner...',
typeOptions: {
searchListMethod: 'getUsers',
searchable: true,
searchFilterRequired: true,
},
},
{
displayName: 'Link',
name: 'url',
type: 'string',
placeholder: 'e.g. https://github.com/n8n-io',
extractValue: {
type: 'regex',
regex: 'https:\\/\\/github.com\\/([-_0-9a-zA-Z]+)',
},
validation: [
{
type: 'regex',
properties: {
regex: 'https:\\/\\/github.com\\/([-_0-9a-zA-Z]+)(?:.*)',
errorMessage: 'Not a valid Github URL',
},
},
],
},
{
displayName: 'By Name',
name: 'name',
type: 'string',
placeholder: 'e.g. n8n-io',
validation: [
{
type: 'regex',
properties: {
regex: '[-_a-zA-Z0-9]+',
errorMessage: 'Not a valid Github Owner Name',
},
},
],
url: '=https://github.com/{{$value}}',
},
],
},
{
displayName: 'Repository Name',
name: 'repository',
type: 'resourceLocator',
default: { mode: 'list', value: '' },
required: true,
modes: [
{
displayName: 'Repository Name',
name: 'list',
type: 'list',
placeholder: 'Select an Repository...',
typeOptions: {
searchListMethod: 'getRepositories',
searchable: true,
},
},
{
displayName: 'Link',
name: 'url',
type: 'string',
placeholder: 'e.g. https://github.com/n8n-io/n8n',
extractValue: {
type: 'regex',
regex: 'https:\\/\\/github.com\\/(?:[-_0-9a-zA-Z]+)\\/([-_.0-9a-zA-Z]+)',
},
validation: [
{
type: 'regex',
properties: {
regex: 'https:\\/\\/github.com\\/(?:[-_0-9a-zA-Z]+)\\/([-_.0-9a-zA-Z]+)(?:.*)',
errorMessage: 'Not a valid Github Repository URL',
},
},
],
},
{
displayName: 'By Name',
name: 'name',
type: 'string',
placeholder: 'e.g. n8n',
validation: [
{
type: 'regex',
properties: {
regex: '[-_.0-9a-zA-Z]+',
errorMessage: 'Not a valid Github Repository Name',
},
},
],
url: '=https://github.com/{{$parameter["owner"]}}/{{$value}}',
},
],
},
{
displayName: 'Events',
name: 'events',
type: 'multiOptions',
options: [
{
name: '*',
value: '*',
description: 'Any time any event is triggered (Wildcard Event)',
},
{
name: 'Check Run',
value: 'check_run',
description:
'Triggered when a check run is created, rerequested, completed, or has a requested_action',
},
{
name: 'Check Suite',
value: 'check_suite',
description: 'Triggered when a check suite is completed, requested, or rerequested',
},
{
name: 'Commit Comment',
value: 'commit_comment',
description: 'Triggered when a commit comment is created',
},
{
name: 'Content Reference',
value: 'content_reference',
description:
'Triggered when the body or comment of an issue or pull request includes a URL that matches a configured content reference domain. Only GitHub Apps can receive this event.',
},
{
name: 'Create',
value: 'create',
description: 'Represents a created repository, branch, or tag',
},
{
name: 'Delete',
value: 'delete',
description: 'Represents a deleted branch or tag',
},
{
name: 'Deploy Key',
value: 'deploy_key',
description: 'Triggered when a deploy key is added or removed from a repository',
},
{
name: 'Deployment',
value: 'deployment',
description: 'Represents a deployment',
},
{
name: 'Deployment Status',
value: 'deployment_status',
description: 'Represents a deployment status',
},
{
name: 'Fork',
value: 'fork',
description: 'Triggered when a user forks a repository',
},
{
name: 'Github App Authorization',
value: 'github_app_authorization',
description: 'Triggered when someone revokes their authorization of a GitHub App',
},
{
name: 'Gollum',
value: 'gollum',
description: 'Triggered when a Wiki page is created or updated',
},
{
name: 'Installation',
value: 'installation',
description:
'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.',
},
{
name: 'Installation Repositories',
value: 'installation_repositories',
description: 'Triggered when a repository is added or removed from an installation',
},
{
name: 'Issue Comment',
value: 'issue_comment',
description: 'Triggered when an issue comment is created, edited, or deleted',
},
{
name: 'Issues',
value: 'issues',
description:
'Triggered when an issue is opened, edited, deleted, transferred, pinned, unpinned, closed, reopened, assigned, unassigned, labeled, unlabeled, locked, unlocked, milestoned, or demilestoned',
},
{
name: 'Label',
value: 'label',
description: "Triggered when a repository's label is created, edited, or deleted",
},
{
name: 'Marketplace Purchase',
value: 'marketplace_purchase',
description:
'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',
},
{
name: 'Member',
value: 'member',
description:
'Triggered when a user accepts an invitation or is removed as a collaborator to a repository, or has their permissions changed',
},
{
name: 'Membership',
value: 'membership',
description:
'Triggered when a user is added or removed from a team. Organization hooks only.',
},
{
name: 'Meta',
value: 'meta',
description: 'Triggered when the webhook that this event is configured on is deleted',
},
{
name: 'Milestone',
value: 'milestone',
description:
'Triggered when a milestone is created, closed, opened, edited, or deleted',
},
{
name: 'Org Block',
value: 'org_block',
description:
'Triggered when an organization blocks or unblocks a user. Organization hooks only.',
},
{
name: 'Organization',
value: 'organization',
description:
'Triggered when an organization is deleted and renamed, and when a user is added, removed, or invited to an organization. Organization hooks only.',
},
{
name: 'Page Build',
value: 'page_build',
description:
'Triggered on push to a GitHub Pages enabled branch (gh-pages for project pages, master for user and organization pages)',
},
{
name: 'Project',
value: 'project',
description:
'Triggered when a project is created, updated, closed, reopened, or deleted',
},
{
name: 'Project Card',
value: 'project_card',
description:
'Triggered when a project card is created, edited, moved, converted to an issue, or deleted',
},
{
name: 'Project Column',
value: 'project_column',
description: 'Triggered when a project column is created, updated, moved, or deleted',
},
{
name: 'Public',
value: 'public',
description: 'Triggered when a private repository is open sourced',
},
{
name: 'Pull Request',
value: 'pull_request',
description:
'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',
},
{
name: 'Pull Request Review',
value: 'pull_request_review',
description:
'Triggered when a pull request review is submitted into a non-pending state, the body is edited, or the review is dismissed',
},
{
name: 'Pull Request Review Comment',
value: 'pull_request_review_comment',
description:
"Triggered when a comment on a pull request's unified diff is created, edited, or deleted (in the Files Changed tab)",
},
{
name: 'Push',
value: 'push',
description:
'Triggered on a push to a repository branch. Branch pushes and repository tag pushes also trigger webhook push events. This is the default event.',
},
{
name: 'Release',
value: 'release',
description:
'Triggered when a release is published, unpublished, created, edited, deleted, or prereleased',
},
{
name: 'Repository',
value: 'repository',
description:
'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.',
},
{
name: 'Repository Import',
value: 'repository_import',
description:
'Triggered when a successful, cancelled, or failed repository import finishes for a GitHub organization or a personal repository',
},
{
name: 'Repository Vulnerability Alert',
value: 'repository_vulnerability_alert',
description: 'Triggered when a security alert is created, dismissed, or resolved',
},
{
name: 'Security Advisory',
value: 'security_advisory',
description:
'Triggered when a new security advisory is published, updated, or withdrawn',
},
{
name: 'Star',
value: 'star',
description: 'Triggered when a star is added or removed from a repository',
},
{
name: 'Status',
value: 'status',
description: 'Triggered when the status of a Git commit changes',
},
{
name: 'Team',
value: 'team',
description:
"Triggered when an organization's team is created, deleted, edited, added_to_repository, or removed_from_repository. Organization hooks only.",
},
{
name: 'Team Add',
value: 'team_add',
description: 'Triggered when a repository is added to a team',
},
{
name: 'Watch',
value: 'watch',
description: 'Triggered when someone stars a repository',
},
],
required: true,
default: [],
description: 'The events to listen to',
},
],
};
webhookMethods = {
default: {
async checkExists(this: IHookFunctions): Promise<boolean> {
const webhookData = this.getWorkflowStaticData('node');
if (webhookData.webhookId === undefined) {
// No webhook id is set so no webhook can exist
return false;
}
// Webhook got created before so check if it still exists
const owner = this.getNodeParameter('owner', '', { extractValue: true }) as string;
const repository = this.getNodeParameter('repository', '', {
extractValue: true,
}) as string;
const endpoint = `/repos/${owner}/${repository}/hooks/${webhookData.webhookId}`;
try {
await githubApiRequest.call(this, 'GET', endpoint, {});
} catch (error) {
if (error.cause.httpCode === '404') {
// Webhook does not exist
delete webhookData.webhookId;
delete webhookData.webhookEvents;
return false;
}
// Some error occured
throw error;
}
// If it did not error then the webhook exists
return true;
},
async create(this: IHookFunctions): Promise<boolean> {
const webhookUrl = this.getNodeWebhookUrl('default') as string;
if (webhookUrl.includes('//localhost')) {
throw new NodeOperationError(
this.getNode(),
'The Webhook can not work on "localhost". Please, either setup n8n on a custom domain or start with "--tunnel"!',
);
}
const owner = this.getNodeParameter('owner', '', { extractValue: true }) as string;
const repository = this.getNodeParameter('repository', '', {
extractValue: true,
}) as string;
const events = this.getNodeParameter('events', []);
const endpoint = `/repos/${owner}/${repository}/hooks`;
const body = {
name: 'web',
config: {
url: webhookUrl,
content_type: 'json',
// secret: '...later...',
insecure_ssl: '1', // '0' -> not allow inscure ssl | '1' -> allow insercure SSL
},
events,
active: true,
};
const webhookData = this.getWorkflowStaticData('node');
let responseData;
try {
responseData = await githubApiRequest.call(this, 'POST', endpoint, body);
} catch (error) {
if (error.cause.httpCode === '422') {
// Webhook exists already
// Get the data of the already registered webhook
responseData = await githubApiRequest.call(this, 'GET', endpoint, body);
for (const webhook of responseData as IDataObject[]) {
if ((webhook.config! as IDataObject).url! === webhookUrl) {
// Webhook got found
if (JSON.stringify(webhook.events) === JSON.stringify(events)) {
// Webhook with same events exists already so no need to
// create it again simply save the webhook-id
webhookData.webhookId = webhook.id as string;
webhookData.webhookEvents = webhook.events as string[];
return true;
}
}
}
throw new NodeOperationError(
this.getNode(),
'A webhook with the identical URL probably exists already. Please delete it manually on Github!',
);
}
if (error.cause.httpCode === '404') {
throw new NodeOperationError(
this.getNode(),
'Check that the repository exists and that you have permission to create the webhooks this node requires',
);
}
throw error;
}
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)],
};
}
}