1 files changed, 39 insertions, 0 deletions

diff --git a/src/index.ts b/src/index.ts
index e466b4ab1..8419d5cf9 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -50,6 +50,7 @@ import { openExternalUrl } from './helpers/url-helpers';
 import userAgent from './helpers/userAgent-helpers';
 import { translateTo } from './helpers/translation-helpers';
 import { darkThemeGrayDarkest } from './themes/legacy';
+import { readCerts, removeNewLines } from './helpers/certs-helpers';
 
 const debug = require('./preload-safe-debug')('Ferdium:App');
 
@@ -752,3 +753,41 @@ app.on('will-finish-launching', () => {
     });
   });
 });
+
+app.on(
+  'certificate-error',
+  (event, _webContents, _url, _error, certificate, callback) => {
+    // On certificate error we disable default behaviour (stop loading the page)
+    // and we then say "it is all fine - true" to the callback
+    event.preventDefault();
+
+    const useSelfSignedCertificates =
+      retrieveSettingValue(
+        'useSelfSignedCertificates',
+        DEFAULT_APP_SETTINGS.useSelfSignedCertificates,
+      ) === true;
+
+    // Check if the certificate is trusted
+    if (!useSelfSignedCertificates) {
+      callback(false);
+      return;
+    }
+
+    const trustedCerts = readCerts();
+    if (!trustedCerts) {
+      callback(false);
+      return;
+    }
+
+    const isTrustedCert = trustedCerts.includes(
+      removeNewLines(certificate.data),
+    );
+
+    if (isTrustedCert) {
+      callback(true);
+      return;
+    }
+
+    callback(false);
+  },
+);