feat(salesforce): add authentication

packages/backend/src/apps/salesforce/auth/verify-credentials.ts

@@ -0,0 +1,41 @@
+import { IGlobalVariable } from '@automatisch/types';
+import getCurrentUser from '../common/get-current-user';
+import qs from 'qs';
+
+const verifyCredentials = async ($: IGlobalVariable) => {
+  try {
+    const oauthRedirectUrlField = $.app.auth.fields.find(
+      (field) => field.key == 'oAuthRedirectUrl'
+    );
+    const redirectUri = oauthRedirectUrlField.value;
+    const searchParams = qs.stringify({
+      code: $.auth.data.code,
+      grant_type: 'authorization_code',
+      client_id: $.auth.data.consumerKey as string,
+      client_secret: $.auth.data.consumerSecret as string,
+      redirect_uri: redirectUri
+    });
+    const { data } = await $.http.post(
+      `${$.auth.data.oauth2Url}/token?${searchParams}`,
+    );
+
+    await $.auth.set({
+      accessToken: data.access_token,
+      tokenType: data.token_type,
+      instanceUrl: data.instance_url,
+      signature: data.signature,
+      userId: data.id,
+      screenName: data.instance_url,
+    });
+
+    const currentUser = await getCurrentUser($);
+
+    await $.auth.set({
+      screenName: `${currentUser.displayName} - ${data.instance_url}`,
+    });
+  } catch (error) {
+    throw new Error(error.response.data);
+  }
+};
+
+export default verifyCredentials;