Add audit script

.auditrc

@@ -0,0 +1,14 @@
+exports.exceptions = [
+  // Severity: low, moment (< 2.19.3), currently used by react-dates
+  "https://npmjs.com/advisories/532",
+
+  // Severity: low, lodash (< 4.17.5), used heavily in our CRA fork
+  "https://npmjs.com/advisories/577",
+
+  // Severity: low, merge (< 1.2.1), used by Jest (CRA fork)
+  "https://npmjs.com/advisories/722",
+
+  // Severity: high, webpack-dev-server (< 3.1.10), (CRA fork)
+  // Note: don't run webpack-dev-server on public web.
+  "https://npmjs.com/advisories/725",
+];

.nsprc

@@ -1,10 +0,0 @@
-{
-  "exceptions": [
-    "https://nodesecurity.io/advisories/532",
-    "https://nodesecurity.io/advisories/157",
-    "https://nodesecurity.io/advisories/577",
-    "https://nodesecurity.io/advisories/654",
-    "https://nodesecurity.io/advisories/664",
-    "https://nodesecurity.io/advisories/678"
-  ]
-}

package.json

@@ -66,6 +66,7 @@
     "prettier": "^1.15.3"
   },
   "scripts": {
+    "audit": "yarn audit --json | node scripts/audit.js",
     "clean": "rm -rf build/*",
     "config": "node scripts/config.js",
     "dev": "node scripts/config.js --check && sharetribe-scripts start",

scripts/audit.js

@@ -0,0 +1,79 @@
+// Check possible npm dependency vulnerabilities
+// Usage: execute "yarn run audit" in the shell
+//
+// You can add exceptions through .nsprc file, which is a hidden file in root folder.
+//
+// Note: to use this script, you should pipe in the output of 'yarn audit --json'
+
+const bfj = require('bfj');
+const fs = require('fs');
+const exceptions = require('../.auditrc').exceptions;
+
+const INDENT = '  ';
+const isAuditAdvisory = o => o.type === 'auditAdvisory';
+
+// get an advisory or empty object
+const getAdvisory = o => (!o ? {} : !o.data ? {} : !o.data.advisory ? {} : o.data.advisory);
+// get a resolution or empty object
+const getResolution = o => (!o ? {} : !o.data ? {} : !o.data.resolution ? {} : o.data.resolution);
+
+// Read the output of 'yarn audit --json', which should be piped in through stdin
+const stdinStream = process.stdin.resume();
+let advisories = {};
+bfj
+  .match(stdinStream, (key, value, depth) => depth === 0, { ndjson: true })
+  .on('data', object => {
+    if (isAuditAdvisory(object) && Array.isArray(exceptions)) {
+      const { id, severity, title, url } = getAdvisory(object);
+      const { path } = getResolution(object);
+      const isInExceptionList = url && exceptions.includes(url);
+
+      if (!isInExceptionList && url && path) {
+        const advisory = advisories[id] ? advisories[id] : { url, severity, title };
+        const paths = advisory.paths ? advisory.paths : [];
+        advisories[id] = { ...advisory, paths: paths.concat(path) };
+      }
+    }
+  })
+  .on('dataError', error => {
+    // A syntax error was found in the JSON
+    console.error(
+      `An error occurred while processing data.
+      You need to pipe the results of "yarn audit --json" to this script from shell.
+      Error`,
+      error
+    );
+    process.exit(1);
+  })
+  .on('error', error => {
+    // Some kind of operational error occurred
+    console.error(
+      `An error occurred while processing data.
+      You need to pipe the results of "yarn audit --json" to this script from shell.
+      Error`,
+      error
+    );
+    process.exit(1);
+  })
+  .on('end', error => {
+    const advisoryKeys = Object.keys(advisories);
+    if (advisoryKeys.length > 0) {
+      console.log('Vulneralibilities found:');
+      console.log('\n----------------------------------------\n');
+
+      advisoryKeys.forEach(key => {
+        const { title, severity, url, paths } = advisories[key];
+        console.log(key, `(${title})`);
+        console.log('Severity:', severity);
+        console.log('More info:', url);
+        console.log('Affected dependencies:');
+        paths.forEach(path => {
+          console.log(INDENT, path);
+        });
+        console.log('\n----------------------------------------\n');
+      });
+      process.exit(1);
+    } else {
+      process.exit();
+    }
+  });