first commit

packages/nodes-base/credentials/SlackOAuth2Api.credentials.ts

@@ -0,0 +1,84 @@
+import type { ICredentialType, INodeProperties } from 'n8n-workflow';
+
+//https://api.slack.com/authentication/oauth-v2
+const userScopes = [
+	'channels:read',
+	'channels:write',
+	'channels:history',
+	'chat:write',
+	'files:read',
+	'files:write',
+	'groups:read',
+	'groups:history',
+	'im:read',
+	'im:history',
+	'mpim:read',
+	'mpim:history',
+	'reactions:read',
+	'reactions:write',
+	'stars:read',
+	'stars:write',
+	'usergroups:write',
+	'usergroups:read',
+	'users.profile:read',
+	'users.profile:write',
+	'users:read',
+	'search:read',
+];
+
+export class SlackOAuth2Api implements ICredentialType {
+	name = 'slackOAuth2Api';
+
+	extends = ['oAuth2Api'];
+
+	displayName = 'Slack OAuth2 API';
+
+	documentationUrl = 'slack';
+
+	properties: INodeProperties[] = [
+		{
+			displayName: 'Grant Type',
+			name: 'grantType',
+			type: 'hidden',
+			default: 'authorizationCode',
+		},
+		{
+			displayName: 'Authorization URL',
+			name: 'authUrl',
+			type: 'hidden',
+			default: 'https://slack.com/oauth/v2/authorize',
+		},
+		{
+			displayName: 'Access Token URL',
+			name: 'accessTokenUrl',
+			type: 'hidden',
+			default: 'https://slack.com/api/oauth.v2.access',
+		},
+		//https://api.slack.com/scopes
+		{
+			displayName: 'Scope',
+			name: 'scope',
+			type: 'hidden',
+			default: 'chat:write',
+		},
+		{
+			displayName: 'Auth URI Query Parameters',
+			name: 'authQueryParameters',
+			type: 'hidden',
+			default: `user_scope=${userScopes.join(' ')}`,
+		},
+		{
+			displayName: 'Authentication',
+			name: 'authentication',
+			type: 'hidden',
+			default: 'body',
+		},
+		{
+			displayName:
+				'If you get an Invalid Scopes error, make sure you add the correct one <a target="_blank" href="https://docs.n8n.io/integrations/builtin/credentials/slack/#using-oauth">here</a> to your Slack integration',
+			name: 'notice',
+			type: 'notice',
+			default: '',
+		},
+	];
+}