feat(flickr): add authentication

packages/backend/src/apps/flickr/common/add-auth-header.ts

@@ -0,0 +1,41 @@
+import { Token } from 'oauth-1.0a';
+import { IJSONObject, TBeforeRequest } from '@automatisch/types';
+import oauthClient from './oauth-client';
+
+type RequestDataType = {
+  url: string;
+  method: string;
+  data?: IJSONObject;
+};
+
+const addAuthHeader: TBeforeRequest = ($, requestConfig) => {
+  const { url, method, data, params } = requestConfig;
+
+  const token: Token = {
+    key: $.auth.data?.accessToken as string,
+    secret: $.auth.data?.accessSecret as string,
+  };
+
+  const requestData: RequestDataType = {
+    url: `${requestConfig.baseURL}${url}`,
+    method,
+  };
+
+  if (url === '/oauth/request_token') {
+    requestData.data = data;
+  }
+
+  if (method === 'get') {
+    requestData.data = params;
+  }
+
+  const authHeader = oauthClient($).toHeader(
+    oauthClient($).authorize(requestData, token)
+  );
+
+  requestConfig.headers.Authorization = authHeader.Authorization;
+
+  return requestConfig;
+};
+
+export default addAuthHeader;

packages/backend/src/apps/flickr/common/oauth-client.ts

@@ -0,0 +1,23 @@
+import { IGlobalVariable } from '@automatisch/types';
+import crypto from 'crypto';
+import OAuth from 'oauth-1.0a';
+
+const oauthClient = ($: IGlobalVariable) => {
+  const consumerData = {
+    key: $.auth.data.consumerKey as string,
+    secret: $.auth.data.consumerSecret as string,
+  };
+
+  return new OAuth({
+    consumer: consumerData,
+    signature_method: 'HMAC-SHA1',
+    hash_function(base_string, key) {
+      return crypto
+        .createHmac('sha1', key)
+        .update(base_string)
+        .digest('base64');
+    },
+  });
+};
+
+export default oauthClient;