public ActionResult <UrlDto> GetHls()
{
var expiryTime = DateTimeOffset.UtcNow.AddHours(6);
var token = _streamingTokenHelper.Generate(expiryTime);
var url = _urlSigner.Sign(_liveOptions.Value.HlsUrl2);
return(new UrlDto {
Url = Url.Action("GetTopLevelManifest", "CmafProxy", null, Request.Scheme) + "?url=" + HttpUtility.UrlEncode(url) + "&token=" + token,
ExpiryTime = expiryTime
});
}
public string GetCoverUrl(string userId, int bookId, string coverName)
{
var coverPath = $"{_baseBookPath}{userId}/{bookId}/{coverName}";
var initializer = new ServiceAccountCredential.Initializer(_googleCloudStorageSettings.Id);
UrlSigner urlSgSigner = UrlSigner.FromServiceAccountCredential(
new ServiceAccountCredential(initializer.FromPrivateKey(_googleCloudStorageSettings.PrivateKey)));
string url = urlSgSigner.Sign(_googleCloudStorageSettings.BucketName, coverPath, TimeSpan.FromDays(5));
return(url);
}
public string GetDownloadUrl(string userId, int bookId, string bookFileName)
{
var bookPath = $"{_baseBookPath}{userId}/{bookId}/{bookFileName}";
var initializer = new ServiceAccountCredential.Initializer(_googleCloudStorageSettings.Id);
UrlSigner urlSgSigner = UrlSigner.FromServiceAccountCredential(
new ServiceAccountCredential(initializer.FromPrivateKey(_googleCloudStorageSettings.PrivateKey)));
string url = urlSgSigner.Sign(_googleCloudStorageSettings.BucketName, bookPath, TimeSpan.FromMinutes(10),
HttpMethod.Get);
return(url);
}
public async Task <IActionResult> GetTopLevelManifest(string token, string url, bool audio_only = false, string language = null)
{
if (string.IsNullOrEmpty(token))
{
return(BadRequest("Missing parameters"));
}
if (string.IsNullOrEmpty(url))
{
if (_streamingTokenHelper.ValidateToken(token))
{
url = _urlSigner.Sign(_liveOptions.HlsUrl2);
}
else
{
return(BadRequest("Missing parameters"));
}
}
Uri uri;
if (!Uri.TryCreate(url, UriKind.Absolute, out uri))
{
return(BadRequest("Bad uri: " + url));
}
var allowedHosts = _liveOptions.GetAllowedHosts().Split(",");
if (!allowedHosts.Contains(uri.Host.ToLower()))
{
return(BadRequest("Host not allowed: " + uri.Host));
}
var secondLevelProxyUrl = Url.Action("GetSecondLevelManifest", null, null, Request.Scheme);
var manifest = await _proxyService.RetrieveAndModifyTopLevelManifest(url, secondLevelProxyUrl);
if (audio_only)
{
manifest = _proxyService.ModifyManifestToBeAudioOnly(manifest, language);
}
Response.Headers.Add("X-Content-Type-Options", "nosniff");
Response.GetTypedHeaders().CacheControl = new CacheControlHeaderValue
{
NoStore = true,
MaxAge = TimeSpan.FromSeconds(0)
};
return(Content(manifest, "application/vnd.apple.mpegurl", Encoding.UTF8));
}
public string GenerateV4SignedReadUrl(
string bucketName = "your-unique-bucket-name",
string objectName = "your-object-name",
string credentialFilePath = "my-local-path/my-credential-file-name")
{
UrlSigner urlSigner = UrlSigner.FromServiceAccountPath(credentialFilePath);
// V4 is the default signing version.
string url = urlSigner.Sign(bucketName, objectName, TimeSpan.FromHours(1), HttpMethod.Get);
Console.WriteLine("Generated GET signed URL:");
Console.WriteLine(url);
Console.WriteLine("You can use this URL with any user agent, for example:");
Console.WriteLine($"curl '{url}'");
return(url);
}