private static bool IsCertBugPresent(RuntimePlatform platform)
{
if (platform == RuntimePlatform.OSXEditor || platform == RuntimePlatform.OSXPlayer)
{
Type type = typeof(X509Certificate2).Assembly.GetType("System.Security.Cryptography.X509Certificates.OSX509Certificates");
if (type != null)
{
try
{
InstallRootCerts.AFunctionThatDoesNotExist();
}
catch (DllNotFoundException)
{
bool result = true;
return(result);
}
catch (EntryPointNotFoundException)
{
bool result = false;
return(result);
}
catch
{
}
return(true);
}
}
return(false);
}
public void UpdateRootCertificates(IFirebaseAppPlatform app)
{
if (!InstallRootCerts.InstallationRequired)
{
return;
}
object sync = InstallRootCerts.Sync;
lock (sync)
{
if (!InstallRootCerts._attemptedWebDownload)
{
InstallRootCerts._attemptedWebDownload = true;
X509CertificateCollection x509CertificateCollection = null;
try
{
x509CertificateCollection = InstallRootCerts.DecodeWebRootCollection(app);
}
catch (Exception ex)
{
Services.Logging.LogMessage(PlatformLogLevel.Error, ex.ToString());
}
if (x509CertificateCollection != null && x509CertificateCollection.Count != 0)
{
X509Store x509Store = new X509Store(InstallRootCerts.TrustedRoot);
x509Store.Open(OpenFlags.ReadWrite);
X509CertificateCollection certificates = x509Store.Certificates;
X509CertificateCollection.X509CertificateEnumerator enumerator = x509CertificateCollection.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
X509Certificate current = enumerator.Current;
if (!certificates.Contains(current))
{
try
{
x509Store.Add((X509Certificate2)current);
}
catch (Exception ex2)
{
Services.Logging.LogMessage(PlatformLogLevel.Error, ex2.ToString());
}
}
}
}
finally
{
IDisposable disposable;
if ((disposable = (enumerator as IDisposable)) != null)
{
disposable.Dispose();
}
}
x509Store.Close();
this.HackRefreshMonoRootStore();
}
}
}
}
private static X509CertificateCollection DecodeCertificateCollectionFromString(string certString)
{
X509CertificateCollection x509CertificateCollection = new X509CertificateCollection();
foreach (byte[] current in InstallRootCerts.DecodeBase64Blobs(certString, "-----BEGIN CERTIFICATE-----", "-----END CERTIFICATE-----"))
{
x509CertificateCollection.Add(new X509Certificate2(current));
}
return(x509CertificateCollection);
}
private static X509CertificateCollection DecodeCollection(IFirebaseAppPlatform app)
{
string certPemFile = Services.AppConfig.GetCertPemFile(app);
if (!string.IsNullOrEmpty(certPemFile))
{
TextAsset textAsset = Resources.Load(certPemFile) as TextAsset;
if (textAsset != null)
{
return(InstallRootCerts.DecodeCertificateCollectionFromString(textAsset.text));
}
}
return(new X509CertificateCollection());
}
private static X509CertificateCollection DecodeDefaultCollection()
{
try
{
using (StreamReader streamReader = new StreamReader(typeof(InstallRootCerts).Assembly.GetManifestResourceStream("Firebase.Platform.cacert_pem.txt")))
{
return(InstallRootCerts.DecodeCertificateCollectionFromString(streamReader.ReadToEnd()));
}
}
catch (Exception ex)
{
Services.Logging.LogMessage(PlatformLogLevel.Error, ex.ToString());
}
return(new X509CertificateCollection());
}
private InstallRootCerts()
{
var __AnonType = FirebaseHandler.RunOnMainThread(() => new
{
Platform = Application.platform,
IsEditor = Application.isEditor,
InstallationRequired = InstallRootCerts.InstallationRequired
});
if (__AnonType.InstallationRequired && InstallRootCerts.IsCertBugPresent(__AnonType.Platform))
{
if (__AnonType.IsEditor)
{
Services.Logging.LogMessage(PlatformLogLevel.Info, "Using workaround for .NET 4.6 certificate bug.");
this._needsCertificateWorkaround = true;
}
else
{
Services.Logging.LogMessage(PlatformLogLevel.Warning, "Detected .NET 4.6 certificate bug, Firebase might not work.");
}
}
}
private static X509CertificateCollection DecodeWebRootCollection(IFirebaseAppPlatform app)
{
Uri certUpdateUrl = Services.AppConfig.GetCertUpdateUrl(app);
if (certUpdateUrl != null)
{
FirebaseHttpRequest firebaseHttpRequest = Services.HttpFactory.OpenConnection(certUpdateUrl);
firebaseHttpRequest.SetRequestMethod("GET");
if (firebaseHttpRequest.ResponseCode >= 200 && firebaseHttpRequest.ResponseCode < 300)
{
Services.Logging.LogMessage(PlatformLogLevel.Debug, string.Format("updated certs from {0} completed with code {1}", certUpdateUrl, firebaseHttpRequest.ResponseCode.ToString()));
StreamReader streamReader = new StreamReader(firebaseHttpRequest.InputStream);
return(InstallRootCerts.DecodeCertificateCollectionFromString(streamReader.ReadToEnd()));
}
Services.Logging.LogMessage(PlatformLogLevel.Error, string.Format("error loading updated certs from {0} with code {1}", certUpdateUrl, firebaseHttpRequest.ResponseCode.ToString()));
}
else
{
Services.Logging.LogMessage(PlatformLogLevel.Warning, "No root cert url to download.");
}
return(new X509CertificateCollection());
}
private static void InstallDefaultCRLs(string resource_name, string directory)
{
Directory.CreateDirectory(directory);
int num = 0;
Services.Logging.LogMessage(PlatformLogLevel.Debug, "Installing CRLs in " + directory);
try
{
Stream manifestResourceStream = typeof(InstallRootCerts).Assembly.GetManifestResourceStream(resource_name);
using (StreamReader streamReader = new StreamReader(manifestResourceStream))
{
foreach (byte[] current in InstallRootCerts.DecodeBase64Blobs(streamReader.ReadToEnd(), "-----BEGIN X509 CRL-----", "-----END X509 CRL-----"))
{
string str;
using (MD5 mD = MD5.Create())
{
str = BitConverter.ToString(mD.ComputeHash(current)).Replace("-", string.Empty);
}
string path = Path.Combine(directory, str + ".crl");
if (!File.Exists(path))
{
using (BinaryWriter binaryWriter = new BinaryWriter(new FileStream(path, FileMode.CreateNew)))
{
binaryWriter.Write(current);
}
num++;
}
}
}
Services.Logging.LogMessage(PlatformLogLevel.Debug, string.Format("Installed {0} CRLs", num));
}
catch (Exception ex)
{
Services.Logging.LogMessage(PlatformLogLevel.Error, string.Format("Error installing CRLs: {0}", ex.ToString()));
}
}
private static void AFunctionThatDoesNotExist()
{
InstallRootCerts.AFunctionThatDoesNotExistInternal();
}
public X509CertificateCollection Install(IFirebaseAppPlatform app)
{
if (!InstallRootCerts.InstallationRequired)
{
return(null);
}
object sync = InstallRootCerts.Sync;
X509CertificateCollection result;
lock (sync)
{
X509CertificateCollection x509CertificateCollection;
if (InstallRootCerts._installedRoots.TryGetValue(app, out x509CertificateCollection))
{
result = x509CertificateCollection;
}
else
{
x509CertificateCollection = new X509CertificateCollection();
string text = Path.Combine(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), ".mono"), "certs");
bool flag = false;
try
{
flag = (Directory.Exists(text) || Directory.CreateDirectory(text) != null);
}
catch (Exception)
{
}
if (!flag)
{
string writeablePath = Services.AppConfig.GetWriteablePath(app);
if (!string.IsNullOrEmpty(writeablePath))
{
Services.Logging.LogMessage(PlatformLogLevel.Debug, string.Format("Saving root certs in {0} ({1} is not writable)", writeablePath, text));
Environment.SetEnvironmentVariable("XDG_CONFIG_HOME", writeablePath);
text = writeablePath;
this.HackRefreshMonoRootStore();
}
}
X509CertificateCollection value = InstallRootCerts.DecodeDefaultCollection();
X509CertificateCollection x509CertificateCollection2 = InstallRootCerts.DecodeCollection(app);
if (string.Equals(app.Name, FirebaseHandler.AppUtils.GetDefaultInstanceName()))
{
x509CertificateCollection2.AddRange(value);
x509CertificateCollection = x509CertificateCollection2;
}
else
{
x509CertificateCollection.AddRange(value);
}
InstallRootCerts._installedRoots[app] = x509CertificateCollection2;
if (x509CertificateCollection.Count == 0)
{
result = x509CertificateCollection;
}
else
{
InstallRootCerts.InstallDefaultCRLs("Firebase.Platform.cacrl_pem.txt", Path.Combine(text, InstallRootCerts.TrustedRoot));
InstallRootCerts.InstallDefaultCRLs("Firebase.Platform.caintermediatecrl_pem.txt", Path.Combine(text, InstallRootCerts.IntermediateCA));
Services.Logging.LogMessage(PlatformLogLevel.Debug, string.Format("Installing {0} certs", x509CertificateCollection2.Count));
X509Store x509Store = new X509Store(InstallRootCerts.TrustedRoot);
x509Store.Open(OpenFlags.ReadWrite);
X509CertificateCollection certificates = x509Store.Certificates;
X509CertificateCollection.X509CertificateEnumerator enumerator = x509CertificateCollection.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
X509Certificate current = enumerator.Current;
if (!certificates.Contains(current))
{
try
{
x509Store.Add((X509Certificate2)current);
}
catch (Exception ex)
{
Services.Logging.LogMessage(PlatformLogLevel.Error, ex.ToString());
}
}
}
}
finally
{
IDisposable disposable;
if ((disposable = (enumerator as IDisposable)) != null)
{
disposable.Dispose();
}
}
x509Store.Close();
result = x509CertificateCollection;
}
}
}
return(result);
}
