From 39ac3ff4c205274f58a02f77652b380b619ba6aa Mon Sep 17 00:00:00 2001
From: Ali BARIN <ali.barin53@gmail.com>
Date: Sun, 4 Dec 2022 16:49:13 +0100
Subject: [PATCH] feat(telegram-bot): add authentication support

---
 .../src/apps/telegram-bot/auth/index.ts       | 21 +++++++++++++++++++
 .../telegram-bot/auth/is-still-verified.ts    |  9 ++++++++
 .../telegram-bot/auth/verify-credentials.ts   | 12 +++++++++++
 .../telegram-bot/common/add-auth-header.ts    | 13 ++++++++++++
 .../backend/src/apps/telegram-bot/index.ts    |  2 ++
 5 files changed, 57 insertions(+)
 create mode 100644 packages/backend/src/apps/telegram-bot/auth/index.ts
 create mode 100644 packages/backend/src/apps/telegram-bot/auth/is-still-verified.ts
 create mode 100644 packages/backend/src/apps/telegram-bot/auth/verify-credentials.ts
 create mode 100644 packages/backend/src/apps/telegram-bot/common/add-auth-header.ts

diff --git a/packages/backend/src/apps/telegram-bot/auth/index.ts b/packages/backend/src/apps/telegram-bot/auth/index.ts
new file mode 100644
index 00000000..01e68c2f
--- /dev/null
+++ b/packages/backend/src/apps/telegram-bot/auth/index.ts
@@ -0,0 +1,21 @@
+import verifyCredentials from './verify-credentials';
+import isStillVerified from './is-still-verified';
+
+export default {
+  fields: [
+    {
+      key: 'token',
+      label: 'Bot token',
+      type: 'string' as const,
+      required: true,
+      readOnly: false,
+      value: null,
+      placeholder: null,
+      description: 'Bot token which should be retrieved from @botfather.',
+      clickToCopy: false,
+    },
+  ],
+
+  verifyCredentials,
+  isStillVerified,
+};
diff --git a/packages/backend/src/apps/telegram-bot/auth/is-still-verified.ts b/packages/backend/src/apps/telegram-bot/auth/is-still-verified.ts
new file mode 100644
index 00000000..66bb963e
--- /dev/null
+++ b/packages/backend/src/apps/telegram-bot/auth/is-still-verified.ts
@@ -0,0 +1,9 @@
+import { IGlobalVariable } from '@automatisch/types';
+import verifyCredentials from './verify-credentials';
+
+const isStillVerified = async ($: IGlobalVariable) => {
+  await verifyCredentials($);
+  return true;
+};
+
+export default isStillVerified;
diff --git a/packages/backend/src/apps/telegram-bot/auth/verify-credentials.ts b/packages/backend/src/apps/telegram-bot/auth/verify-credentials.ts
new file mode 100644
index 00000000..17bbfa94
--- /dev/null
+++ b/packages/backend/src/apps/telegram-bot/auth/verify-credentials.ts
@@ -0,0 +1,12 @@
+import { IGlobalVariable } from '@automatisch/types';
+
+const verifyCredentials = async ($: IGlobalVariable) => {
+  const { data } = await $.http.get('/getMe');
+  const { result: me } = data;
+
+  await $.auth.set({
+    screenName: me.first_name,
+  });
+};
+
+export default verifyCredentials;
diff --git a/packages/backend/src/apps/telegram-bot/common/add-auth-header.ts b/packages/backend/src/apps/telegram-bot/common/add-auth-header.ts
new file mode 100644
index 00000000..aa17b14f
--- /dev/null
+++ b/packages/backend/src/apps/telegram-bot/common/add-auth-header.ts
@@ -0,0 +1,13 @@
+import { TBeforeRequest } from '@automatisch/types';
+import { URL } from 'node:url';
+
+const addAuthHeader: TBeforeRequest = ($, requestConfig) => {
+  if ($.auth.data?.token) {
+    const token = $.auth.data.token as string;
+    requestConfig.baseURL = (new URL(`/bot${token}`, requestConfig.baseURL)).toString();
+  }
+
+  return requestConfig;
+};
+
+export default addAuthHeader;
diff --git a/packages/backend/src/apps/telegram-bot/index.ts b/packages/backend/src/apps/telegram-bot/index.ts
index 9f3c7db3..e57aecb3 100644
--- a/packages/backend/src/apps/telegram-bot/index.ts
+++ b/packages/backend/src/apps/telegram-bot/index.ts
@@ -12,4 +12,6 @@ export default defineApp({
   baseUrl: 'https://telegram.org',
   apiBaseUrl: 'https://api.telegram.org',
   primaryColor: '2AABEE',
+  beforeRequest: [addAuthHeader],
+  auth,
 });