feat(salesforce): add authentication

packages/backend/src/apps/salesforce/auth/create-auth-data.ts

@@ -0,0 +1,24 @@
+import { IField, IGlobalVariable } from '@automatisch/types';
+import qs from 'qs';
+
+export default async function createAuthData($: IGlobalVariable) {
+  try {
+    const oauthRedirectUrlField = $.app.auth.fields.find(
+      (field: IField) => field.key == 'oAuthRedirectUrl'
+    );
+    const redirectUri = oauthRedirectUrlField.value;
+    const searchParams = qs.stringify({
+      client_id: $.auth.data.consumerKey as string,
+      redirect_uri: redirectUri,
+      response_type: 'code'
+    })
+
+    await $.auth.set({
+      url: `${$.auth.data.oauth2Url}/authorize?${searchParams}`,
+    });
+  } catch (error) {
+    throw new Error(
+      `Error occured while verifying credentials: ${error}`
+    );
+  }
+}