X-Git-Url: https://git.squeep.com/?a=blobdiff_plain;f=lib%2Fcommon.js;h=1c19aeb9dbde3172858ee3dcea9a00ceb1a8004e;hb=9c604adfcde56e35767e3eba70890308ec2d3110;hp=c0aaf3799c7f3d2609ae2ce7ee8c6cec3482facb;hpb=dd173e6b450cbba8100883514610c9fde83d050a;p=squeep-authentication-module

diff --git a/lib/common.js b/lib/common.js
index c0aaf37..1c19aeb 100644
--- a/lib/common.js
+++ b/lib/common.js
@@ -11,15 +11,58 @@ const { common } = require('@squeep/api-dingus');
 const freezeDeep = (o) => {
   Object.freeze(o);
   Object.getOwnPropertyNames(o).forEach((prop) => {
-    if (Object.hasOwnProperty.call(o, prop)
+    if (Object.hasOwn(o, prop)
     &&  ['object', 'function'].includes(typeof o[prop]) // eslint-disable-line security/detect-object-injection
     &&  !Object.isFrozen(o[prop])) { // eslint-disable-line security/detect-object-injection
       return freezeDeep(o[prop]); // eslint-disable-line security/detect-object-injection
     }
   });
   return o;
-}
+};
+
+/**
+ * Return a new object duplicating `o`, without the properties specified.
+ * @param {Object} o
+ * @param {String[]} props
+ * @returns {Object}
+ */
+const omit = (o, props) => {
+  return Object.fromEntries(Object.entries(o).filter(([k]) => !props.includes(k)));
+};
+
+/**
+ * Helper to log mystery-box statistics.
+ * @param {ConsoleLike} logger
+ * @param {String} scope
+ * @returns {Function}
+ */
+const mysteryBoxLogger = (logger, scope) => {
+  return (s) => {
+    logger.debug(scope, `${s.packageName}@${s.packageVersion}:${s.method}`, omit(s, [
+      'packageName',
+      'packageVersion',
+      'method',
+    ]));
+  };
+};
+
+/**
+ * Hide sensitive part of an Authorization header.
+ * @param {String} authHeader
+ * @returns {String}
+ */
+const obscureAuthorizationHeader = (authHeader) => {
+  if (!authHeader) {
+    return authHeader;
+  }
+  const space = authHeader.indexOf(' ');
+  // This blurs entire string if no space found, because -1.
+  return authHeader.slice(0, space + 1) + '*'.repeat(authHeader.length - (space + 1));
+};
 
 module.exports = Object.assign(Object.create(common), {
   freezeDeep,
+  mysteryBoxLogger,
+  obscureAuthorizationHeader,
+  omit,
 });
\ No newline at end of file