Merge branch 'oauth-support' into feature/microsoft-excel

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

@@ -0,0 +1,57 @@
+import {
+	ICredentialType,
+	NodePropertyTypes,
+} from 'n8n-workflow';
+
+//https://api.slack.com/authentication/oauth-v2
+const userScopes = [
+	'chat:write',
+	'conversations:history',
+	'conversations:read',
+	'files:read',
+	'files:write',
+	'stars:read',
+	'stars:write',
+];
+
+
+export class SlackOAuth2Api implements ICredentialType {
+	name = 'slackOAuth2Api';
+	extends = [
+		'oAuth2Api',
+	];
+	displayName = 'Slack OAuth2 API';
+	properties = [
+		{
+			displayName: 'Authorization URL',
+			name: 'authUrl',
+			type: 'hidden' as NodePropertyTypes,
+			default: 'https://slack.com/oauth/v2/authorize',
+		},
+		{
+			displayName: 'Access Token URL',
+			name: 'accessTokenUrl',
+			type: 'hidden' as NodePropertyTypes,
+			default: 'https://slack.com/api/oauth.v2.access',
+		},
+		//https://api.slack.com/scopes
+		{
+			displayName: 'Scope',
+			name: 'scope',
+			type: 'hidden' as NodePropertyTypes,
+			default: 'chat:write',
+		},
+		{
+			displayName: 'Auth URI Query Parameters',
+			name: 'authQueryParameters',
+			type: 'hidden' as NodePropertyTypes,
+			default: `user_scope=${userScopes.join(' ')}`,
+		},
+		{
+			displayName: 'Authentication',
+			name: 'authentication',
+			type: 'hidden' as NodePropertyTypes,
+			default: 'body',
+		},
+	];
+}