public static IEnumerator LoadReleases(string url, string authToken = null)
{
string proxiedUrl = UpliftPreferences.FromDefaultFile().GetProxiedUrl(url);
WWW www = string.IsNullOrEmpty(authToken) ?
new WWW(proxiedUrl) :
new WWW(
proxiedUrl,
null,
new Dictionary <string, string>
{
{ "Authorization", "token " + authToken }
});
while (www.isDone == false)
{
yield return(null);
}
yield return(www);
if (!string.IsNullOrEmpty(www.error))
{
Debug.LogError(www.error);
Debug.LogWarning(www.text);
yield return(null);
}
else
{
yield return(ParseReleases(www.text));
}
}
public static Stream GetAssetStream(GitHubAsset asset, string token)
{
string proxiedUrl = UpliftPreferences.FromDefaultFile().GetProxiedUrl(asset.apiURL);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(proxiedUrl);
request.Method = "GET";
if (!string.IsNullOrEmpty(token))
{
request.Headers["Authorization"] = "token " + token;
}
request.Accept = "application/octet-stream";
request.UserAgent = "Uplift GithubRepository/1.0 - https://github.com/DragonBox/uplift";
request.AllowAutoRedirect = false;
ServicePointManager.ServerCertificateValidationCallback = GitHub.CertificateValidationCallback;
Uri address;
HttpStatusCode responseStatus;
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
responseStatus = response.StatusCode;
if ((int)response.StatusCode < 300 || (int)response.StatusCode > 399)
{
throw new ApplicationException("Request should be redirected");
}
address = new Uri(response.GetResponseHeader("Location"));
}
request = (HttpWebRequest)WebRequest.Create(UpliftPreferences.FromDefaultFile().GetProxiedUrl(address.OriginalString));
request.Method = "GET";
request.UserAgent = "Uplift GithubRepository/1.0 - https://github.com/DragonBox/uplift";
HttpWebResponse finalResponse = (HttpWebResponse)request.GetResponse();
responseStatus = finalResponse.StatusCode;
if ((int)finalResponse.StatusCode >= 200 && (int)finalResponse.StatusCode <= 299)
{
return(finalResponse.GetResponseStream());
}
throw new ApplicationException("Could not get asset at " + asset.apiURL);
}
public static bool CertificateValidationCallback(
System.Object sender,
X509Certificate certificate,
X509Chain chain,
SslPolicyErrors sslPolicyErrors
)
{
bool correct = true;
if (sslPolicyErrors == SslPolicyErrors.None)
{
return(true);
}
X509Certificate[] githubCertificates = GetCertificates();
if (!(githubCertificates.Any(cert => cert.GetCertHashString() == certificate.GetCertHashString()) || UpliftPreferences.FromDefaultFile().TrustUnknowCertificates))
{
Debug.LogErrorFormat("The received certificate ({0}) is not known by Uplift. We cannot download the update package. You could update Uplift manually, or go to Preferences and set 'Trust unknown certificates' to true.", certificate.GetCertHashString());
Debug.Log("Known certificates are:");
foreach (X509Certificate cert in githubCertificates)
{
Debug.Log(" -- " + cert.GetCertHashString());
}
return(false);
}
for (int i = 0; i < chain.ChainStatus.Length; i++)
{
if (chain.ChainStatus[i].Status == X509ChainStatusFlags.RevocationStatusUnknown)
{
continue;
}
chain.ChainPolicy.RevocationFlag = X509RevocationFlag.EntireChain;
chain.ChainPolicy.RevocationMode = X509RevocationMode.Online;
chain.ChainPolicy.UrlRetrievalTimeout = new TimeSpan(0, 1, 0);
chain.ChainPolicy.VerificationFlags = X509VerificationFlags.AllFlags;
bool chainIsValid = chain.Build((X509Certificate2)certificate);
if (!chainIsValid)
{
correct = false;
break;
}
}
return(correct);
}