Bug 1786197 - Turn on ESLint rule for prefer-boolean-length-check for security. r=keeler

Differential Revision: https://phabricator.services.mozilla.com/D155165

.eslintrc.js

@@ -490,7 +490,6 @@ module.exports = {
         "modules/**",
         "netwerk/**",
         "remote/**",
-        "security/manager/**",
         "storage/test/unit/test_vacuum.js",
         "taskcluster/docker/periodic-updates/scripts/**",
         "testing/**",

security/manager/pki/resources/content/certManager.js

@@ -700,7 +700,7 @@ async function restoreCerts() {
         errorCode = certdb.importPKCS12File(fp.file, password.value);
         if (
           errorCode == Ci.nsIX509CertDB.ERROR_BAD_PASSWORD &&
-          password.value.length == 0
+          !password.value.length
         ) {
           // It didn't like empty string password, try no password.
           errorCode = certdb.importPKCS12File(fp.file, null);

security/manager/pki/resources/content/clientauthask.js

@@ -155,13 +155,13 @@ async function setDetails() {
   ];
   let parsedCert = await parse(pemToDER(cert.getBase64DERString()));
   let keyUsages = parsedCert.ext.keyUsages;
-  if (keyUsages && keyUsages.purposes.length > 0) {
+  if (keyUsages && keyUsages.purposes.length) {
     detailLines.push(
       bundle.getFormattedString("clientAuthKeyUsages", [keyUsages.purposes])
     );
   }
   let emailAddresses = cert.getEmailAddresses();
-  if (emailAddresses.length > 0) {
+  if (emailAddresses.length) {
     let joinedAddresses = emailAddresses.join(", ");
     detailLines.push(
       bundle.getFormattedString("clientAuthEmailAddresses", [joinedAddresses])

security/manager/pki/resources/content/downloadcert.js

@@ -46,7 +46,7 @@ function onLoad() {
 
   let bundle = document.getElementById("pippki_bundle");
   let caName = gCert.commonName;
-  if (caName.length == 0) {
+  if (!caName.length) {
     caName = bundle.getString("unnamedCA");
   }
 

security/manager/ssl/RemoteSecuritySettings.jsm

@@ -332,7 +332,7 @@ class IntermediatePreloads {
     lazy.log.debug(
       `There are ${waiting.length} intermediates awaiting download.`
     );
-    if (waiting.length == 0) {
+    if (!waiting.length) {
       // Nothing to do.
       Services.obs.notifyObservers(
         null,
@@ -605,7 +605,7 @@ class CRLiteFilters {
     let fullFiltersDownloaded = filtersDownloaded.filter(
       filter => !filter.incremental
     );
-    if (fullFiltersDownloaded.length > 0) {
+    if (fullFiltersDownloaded.length) {
       if (fullFiltersDownloaded.length > 1) {
         lazy.log.warn("trying to install more than one full CRLite filter?");
       }
@@ -643,7 +643,7 @@ class CRLiteFilters {
       concatenatedStashes.set(filter.bytes, offset);
       offset += filter.bytes.length;
     }
-    if (concatenatedStashes.length > 0) {
+    if (concatenatedStashes.length) {
       lazy.log.debug(
         `adding concatenated incremental updates of total length ${concatenatedStashes.length}`
       );

security/manager/ssl/X509.jsm

@@ -62,7 +62,7 @@ class OID {
     bytes.shift();
     let accumulator = 0;
     // Lint TODO: prevent overflow here
-    while (bytes.length > 0) {
+    while (bytes.length) {
       let value = bytes.shift();
       accumulator *= 128;
       if (value > 128) {

security/manager/ssl/tests/mochitest/browser/browser_certificateManager.js

@@ -18,9 +18,9 @@ async function checkServerCertificates(win, expectedValues = []) {
 
   // The strings we will get from the DOM are localized with Fluent.
   // This will wait until the translation is applied.
-  if (expectedValues.length > 0) {
+  if (expectedValues.length) {
     await BrowserTestUtils.waitForCondition(
-      () => labels[1].value || labels[1].textContent.length > 0,
+      () => labels[1].value || !!labels[1].textContent.length,
       "At least one label is populated"
     );
   }

security/manager/ssl/tests/mochitest/browser/browser_clientAuthRememberService.js

@@ -188,7 +188,7 @@ add_task(async function testRememberedDecisionsUI() {
   );
 
   await BrowserTestUtils.waitForCondition(
-    () => labels[10].textContent.length > 0,
+    () => !!labels[10].textContent.length,
     "Localized label is populated"
   );
 

security/manager/ssl/tests/unit/test_ev_certs.js

@@ -85,8 +85,7 @@ function asyncTestEV(
 ) {
   let now = Date.now() / 1000;
   return new Promise((resolve, reject) => {
-    let ocspResponder =
+    let ocspResponder = expectedOCSPRequestPaths.length
-      expectedOCSPRequestPaths.length > 0
       ? startOCSPResponder(
           SERVER_PORT,
           "www.example.com",

security/manager/ssl/tests/unit/test_hash_algorithms.js

@@ -90,7 +90,7 @@ function doHash(algo, value, cmp) {
 
 function doHashStream(algo, value, cmp) {
   // TODO(Bug 459835): Make updateFromStream() accept zero length streams.
-  if (value.length == 0) {
+  if (!value.length) {
     return;
   }
 

security/manager/ssl/tests/unit/test_intermediate_preloads.js

@@ -337,7 +337,7 @@ add_task(async function test_preload_basic() {
 
   let localDB = await IntermediatePreloadsClient.client.db;
   let data = await localDB.list();
-  ok(data.length > 0, "should have some entries");
+  ok(!!data.length, "should have some entries");
   // simulate a sync (syncAndDownload doesn't actually... sync.)
   await IntermediatePreloadsClient.client.emit("sync", {
     data: {
@@ -402,7 +402,7 @@ add_task(async function test_delete() {
 
   let localDB = await IntermediatePreloadsClient.client.db;
   let data = await localDB.list();
-  ok(data.length > 0, "should have some entries");
+  ok(!!data.length, "should have some entries");
   let subject = data[0].subjectDN;
   let certStorage = Cc["@mozilla.org/security/certstorage;1"].getService(
     Ci.nsICertStorage

security/manager/ssl/tests/unit/test_oskeystore.js

@@ -271,7 +271,7 @@ add_task(async function() {
   );
   let recoveryPhrase = await keystore.asyncGenerateSecret(LABELS[0]);
   ok(
-    recoveryPhrase && recoveryPhrase.length > 0,
+    recoveryPhrase && !!recoveryPhrase.length,
     "we should be able to re-use that label to generate a new secret"
   );
   await delete_all_secrets();
@@ -401,7 +401,7 @@ add_task(async function() {
 
   let recoveryPhrase = await keystore.asyncGenerateSecret(LABELS[0]);
   ok(
-    recoveryPhrase && recoveryPhrase.length > 0,
+    recoveryPhrase && !!recoveryPhrase.length,
     "we should be able to use that label to generate a new secret"
   );
   ok(