feat(testssl): add expiration warning (#87)

* feat(testssl): add expiration warning

* fix: test

Author: Julien Bouquillon

report/src/summary/__snapshots__/index.test.js.snap

@@ -22,6 +22,8 @@ Object {
   "lighthouse_pwaGrade": "D",
   "lighthouse_seo": 0.9,
   "lighthouse_seoGrade": "A",
+  "testsslExpireDate": "2021-11-30T19:40:00.000Z",
+  "testsslExpireSoon": false,
   "testsslGrade": "A+",
   "trackersCount": 0,
   "trackersGrade": "A",

report/src/summary/testssl.js

@@ -6,8 +6,35 @@ const summary = (report) => {
       report.find &&
       report.find((entry) => entry.id === "overall_grade");
     const value = overallGrade && overallGrade.finding;
+
+    const notAfterNode = report.find((r) => r.id === "cert_notAfter");
+    const notAfterIntermediateNode = report.find(
+      (r) => r.id === "intermediate_cert_notAfter <#1>"
+    );
+
+    // warn a month before
+    const warningDelay = 30 * 24 * 60 * 60 * 1000;
+    let expirationDate = null;
+    if (notAfterNode) {
+      if (notAfterIntermediateNode) {
+        const closest = Math.min(
+          new Date(notAfterNode.finding).getTime(),
+          new Date(notAfterIntermediateNode.finding).getTime()
+        );
+        expirationDate = closest;
+      } else {
+        expirationDate = new Date(notAfterNode.finding).getTime();
+      }
+    }
+
+    const expiresSoon =
+      expirationDate && new Date().getTime() + warningDelay > expirationDate;
+
     if (value) {
       return {
+        testsslExpireSoon: expiresSoon,
+        testsslExpireDate:
+          expirationDate && new Date(expirationDate).toISOString(),
         testsslGrade: value,
       };
     }

report/www/src/__tests__/__snapshots__/Url.test.js.snap

@@ -662,8 +662,7 @@ Array [
           className="fr-col"
         >
           <h3>
-            Scan Summary :
-             
+            Scan Summary : 
             <button
               className=""
               onClick={[Function]}
@@ -672,6 +671,10 @@ Array [
               A+
             </button>
           </h3>
+          <h4>
+            Expiration : 
+            30/11/2021
+          </h4>
         </div>
       </div>
     </div>
@@ -2502,8 +2505,7 @@ Array [
           className="fr-col"
         >
           <h3>
-            Scan Summary :
-             
+            Scan Summary : 
             <button
               className=""
               onClick={[Function]}
@@ -2512,6 +2514,10 @@ Array [
               A+
             </button>
           </h3>
+          <h4>
+            Expiration : 
+            30/11/2021
+          </h4>
         </div>
       </div>
     </div>