/// <summary>Construct the Authorization header value for the specified request.</summary>
/// <param name="request"></param>
/// <returns></returns>
/// <remarks>See http://docs.aws.amazon.com/AmazonS3/latest/dev/RESTAuthentication.html#ConstructingTheAuthenticationHeader for more.</remarks>
HttpRequestMessage AuthenticateRequest(HttpRequestMessage request)
{
request.Headers.Add(
"Authorization",
AmazonUtils.AuthenticateRequestS3(request, this.accessKeyId, this.secretAccessKey)
);
return(request);
}
public BlobStore(string bucket, string subdir)
{
this.logger = Serilog.Log
.ForContext(HoneycombSink.DatasetPropertyKey, "Storage")
.ForContext("bucket", bucket)
.ForContext("subdir", subdir);
this.bucket = bucket;
this.subdir = subdir;
string accessKeyString;
AmazonUtils.GetAuthInfo(out this.accessKeyId, out accessKeyString);
this.secretAccessKey = Encoding.UTF8.GetBytes(accessKeyString);
}
public async Task <ThumbnailResponse> GetThumbnail(
Uri imageUri,
bool skipChecks = false,
Uri referrer = null
)
{
var requestMessage = new HttpRequestMessage
{
RequestUri = new Uri("https://kuehe1it30.execute-api.us-west-2.amazonaws.com/prod/thumbr"),
Method = HttpMethod.Post,
Content = new StringContent(
JsonConvert.SerializeObject(new ThumbnailRequest
{
Dream = imageUri,
SkipChecks = skipChecks,
Referrer = referrer,
}, Policies.SerializerSettings),
System.Text.Encoding.UTF8,
"application/json"
),
Headers = { { "Date", DateTimeOffset.UtcNow.ToString("r") } },
};
await AmazonUtils.AuthenticateRequestV4(
requestMessage,
"us-west-2",
"execute-api",
this.accessKeyId,
this.secretAccessKey
);
using (HttpResponseMessage response = await client.SendAsync(requestMessage))
{
if (!response.IsSuccessStatusCode)
{
string error = await response.Content.ReadAsStringAsync();
return(new ThumbnailResponse {
OriginalUrl = imageUri, Error = JValue.CreateString(error)
});
}
return(JsonConvert.DeserializeObject <ThumbnailResponse>(
await response.Content.ReadAsStringAsync(),
Policies.SerializerSettings
));
}
}
public ThumbnailServiceClient()
{
AmazonUtils.GetAuthInfo(out this.accessKeyId, out this.secretAccessKey);
}
