Fix when cert signer is null.

app/Http/Controllers/Certificate/MainController.php

@@ -80,8 +80,8 @@ class MainController extends Controller
         $cert = stream_context_get_params($read);
         $certinfo = openssl_x509_parse($cert['options']['ssl']['peer_certificate']);
         openssl_x509_export($cert["options"]["ssl"]["peer_certificate"],$publicKey);
-        $certinfo["subjectKeyIdentifier"] = $certinfo["extensions"]["subjectKeyIdentifier"];
-        $certinfo["authorityKeyIdentifier"] = substr($certinfo["extensions"]["authorityKeyIdentifier"],6);
+        $certinfo["subjectKeyIdentifier"] = array_key_exists("subjectKeyIdentifier",$certinfo["extensions"]) ? $certinfo["extensions"]["subjectKeyIdentifier"]: "";
+        $certinfo["authorityKeyIdentifier"] = array_key_exists("authorityKeyIdentifier",$certinfo["extensions"]) ? substr($certinfo["extensions"]["authorityKeyIdentifier"],6): "";
         $certinfo["validFrom_time_t"] = Carbon::createFromTimestamp($certinfo["validFrom_time_t"])->format('H:i d/m/Y');
         $certinfo["validTo_time_t"] = Carbon::createFromTimestamp($certinfo["validTo_time_t"])->format('H:i d/m/Y');
         unset($certinfo["extensions"]);

composer.json

@@ -13,6 +13,7 @@
         "ext-ssh2": "*",
         "ext-xml": "*",
         "ext-zip": "*",
+        "icewind/smb": "^3.1",
         "laravel/framework": "^6.0",
         "laravel/helpers": "*",
         "phpseclib/phpseclib": "^2.0"

resources/views/settings/certificate.blade.php

@@ -104,8 +104,12 @@
             form.append('port',$("#port").val());
             request('{{route('certificate_request')}}',form,function (success) {
                 let json = JSON.parse(success)["message"];
-                $("#issuerCN").val(json["issuer"]["CN"]);
-                $("#issuerDN").val(json["issuer"]["DC"].reverse().join('.'));
+                if(json["issuer"]["DC"]){
+                    $("#issuerCN").val(json["issuer"]["CN"]);
+                }
+                if(json["issuer"]["DC"]){
+                    $("#issuerDN").val(json["issuer"]["DC"].reverse().join('.'));
+                }
                 $("#validFrom").val(json["validFrom_time_t"]);
                 $("#validTo").val(json["validTo_time_t"]);
                 $("#authorityKeyIdentifier").val(json["authorityKeyIdentifier"]);