public void LoadStreamWithFile(String localfile)
{
this.dataStream = File.OpenRead(localfile);
this.contentType = ThreeSharpUtils.ConvertExtensionToMimeType(Path.GetExtension(localfile));
this.BytesTotal = ((FileStream)this.dataStream).Length;
}
/// <summary>
/// Add the appropriate Authorization header to the WebRequest
/// </summary>
private void AddAuthorizationHeader(WebRequest webRequest, string bucket, string key, SortedList query)
{
if (webRequest.Headers[ThreeSharpUtils.ALTERNATIVE_DATE_HEADER] == null)
{
webRequest.Headers.Add(ThreeSharpUtils.ALTERNATIVE_DATE_HEADER, ThreeSharpUtils.GetHttpDate());
}
string canonicalString = ThreeSharpUtils.MakeCanonicalString(bucket, key, query, webRequest);
string encodedCanonical = ThreeSharpUtils.Encode(config.AwsSecretAccessKey, canonicalString, false);
webRequest.Headers.Add(HttpRequestHeader.Authorization, "AWS " + config.AwsAccessKeyID + ":" + encodedCanonical);
}
/// <summary>
/// Generates a URL to access an object in a bucket
/// </summary>
public UrlGetResponse UrlGet(UrlGetRequest request)
{
UrlGetResponse response = new UrlGetResponse();
long expires = (ThreeSharpUtils.CurrentTimeMillis() + request.ExpiresIn) / 1000;
string canonicalString = ThreeSharpUtils.MakeCanonicalString(request.Method, request.BucketName, request.Key, null, null, expires.ToString());
string encodedCanonical = ThreeSharpUtils.Encode(config.AwsSecretAccessKey, canonicalString, true);
StringBuilder builder = new StringBuilder();
if (config.IsSecure)
{
builder.Append("https://");
}
else
{
builder.Append("http://");
}
builder.Append(ThreeSharpUtils.BuildUrlBase(config.Server, config.Port, request.BucketName, config.Format));
if (!String.IsNullOrEmpty(request.BucketName) && !String.IsNullOrEmpty(request.Key))
{
builder.Append(request.Key);
}
request.QueryList.Add("Signature", encodedCanonical);
request.QueryList.Add("Expires", "" + expires);
request.QueryList.Add("AWSAccessKeyId", config.AwsAccessKeyID);
builder.Append(ThreeSharpUtils.ConvertQueryListToQueryString(request.QueryList));
String url = builder.ToString();
byte[] urlBytes = (new ASCIIEncoding()).GetBytes(url);
response.DataStream = new MemoryStream(urlBytes.Length);
response.DataStream.Write(urlBytes, 0, urlBytes.Length);
response.DataStream.Position = 0;
response.BucketName = request.BucketName;
response.Key = request.Key + "-URL";
response.Method = request.Method;
response.TransferInfo = new TransferInfo(response);
lock (this.statistics) { this.statistics.AddTransferInfo(response.TransferInfo); }
return(response);
}
/// <summary>
/// Configures an HttpWebRequest with settings from the
/// ThreeSharpConfig instance and the Request object instance
/// </summary>
private HttpWebRequest ConfigureWebRequest(Request request)
{
StringBuilder url = new StringBuilder();
if (!String.IsNullOrEmpty(request.RedirectUrl))
{
url.Append(request.RedirectUrl);
}
else
{
url.Append(config.IsSecure ? "https://" : "http://");
url.Append(ThreeSharpUtils.BuildUrlBase(config.Server, config.Port, request.BucketName, config.Format));
if (!String.IsNullOrEmpty(request.Key))
{
url.Append(request.Key);
}
// build the query string parameter
url.Append(ThreeSharpUtils.ConvertQueryListToQueryString(request.QueryList));
}
HttpWebRequest httpWebRequest = WebRequest.Create(url.ToString()) as HttpWebRequest;
httpWebRequest.AllowWriteStreamBuffering = false;
httpWebRequest.AllowAutoRedirect = false;
httpWebRequest.UserAgent = config.UserAgent;
httpWebRequest.Method = request.Method;
httpWebRequest.Timeout = request.Timeout;
httpWebRequest.ContentType = request.ContentType;
httpWebRequest.ContentLength = request.BytesTotal;
if (this.config.Proxy != null)
{
httpWebRequest.Proxy = this.config.Proxy;
}
AddHeaders(httpWebRequest, request.Headers);
AddMetadataHeaders(httpWebRequest, request.MetaData);
AddAuthorizationHeader(httpWebRequest, request.BucketName, request.Key, request.QueryList);
return(httpWebRequest);
}
/// <summary>
/// Add the appropriate Authorization header to the WebRequest
/// </summary>
///
private void AddAuthorizationHeader(WebRequest webRequest, Request request)
{
if (webRequest.Headers[ThreeSharpUtils.ALTERNATIVE_DATE_HEADER] == null)
{
webRequest.Headers.Add(ThreeSharpUtils.ALTERNATIVE_DATE_HEADER, ThreeSharpUtils.GetHttpDate());
}
if (request.ServiceType == ThreeSharpServiceType.AWS100)
{
Encoding ae = new UTF8Encoding();
HMACSHA1 signature = new HMACSHA1(ae.GetBytes(config.AwsSecretAccessKey.ToCharArray()));
string b64 = Convert.ToBase64String(signature.ComputeHash(ae.GetBytes(webRequest.Headers[ThreeSharpUtils.ALTERNATIVE_DATE_HEADER].ToCharArray())));
webRequest.Headers.Add(HttpRequestHeader.Authorization, "AWS" + " " + config.AwsAccessKeyID + ":" + b64);
}
else
{
string canonicalString = ThreeSharpUtils.MakeCanonicalString(request.BucketName, request.Key, request.QueryList, webRequest);
string encodedCanonical = ThreeSharpUtils.Encode(config.AwsSecretAccessKey, canonicalString, false);
webRequest.Headers.Add(HttpRequestHeader.Authorization, "AWS " + config.AwsAccessKeyID + ":" + encodedCanonical);
}
}
/// <summary>
/// Loads the request stream with a file. Content type will be determined by file extension.
/// </summary>
public void LoadStreamWithFile(String localfile)
{
LoadStreamWithFile(localfile, ThreeSharpUtils.ConvertExtensionToMimeType(Path.GetExtension(localfile)));
}
/// <summary>
/// Configures an HttpWebRequest with settings from the
/// ThreeSharpConfig instance and the Request object instance
/// </summary>
private HttpWebRequest ConfigureWebRequest(Request request)
{
HttpWebRequest httpWebRequest = null;
if (request.ServiceType == ThreeSharpServiceType.S3)
{
S3Request s3Request = (S3Request)request;
StringBuilder url = new StringBuilder();
String finalUrl = string.Empty;
if (!String.IsNullOrEmpty(s3Request.RedirectUrl))
{
url.Append(s3Request.RedirectUrl);
}
else
{
if (s3Request.QueryList.ContainsKey("requestPayment"))
{
config.Format = CallingFormat.SUBDOMAIN;
}
url.Append(config.IsSecure ? "https://" : "http://");
url.Append(ThreeSharpUtils.BuildUrlBase(config.Server, config.Port, s3Request.BucketName, config.Format));
if (!String.IsNullOrEmpty(s3Request.Key))
{
url.Append(s3Request.Key);
}
// build the query string parameter
url.Append(ThreeSharpUtils.ConvertQueryListToQueryString(s3Request.QueryList));
}
httpWebRequest = WebRequest.Create(url.ToString()) as HttpWebRequest;
httpWebRequest.AllowWriteStreamBuffering = false;
httpWebRequest.AllowAutoRedirect = false;
httpWebRequest.UserAgent = config.UserAgent;
httpWebRequest.Method = s3Request.Method;
httpWebRequest.Timeout = s3Request.Timeout;
httpWebRequest.ContentType = s3Request.ContentType;
httpWebRequest.ContentLength = s3Request.BytesTotal;
if (this.config.Proxy != null)
{
httpWebRequest.Proxy = this.config.Proxy;
}
this.AddHeaders(httpWebRequest, s3Request.Headers);
this.AddMetadataHeaders(httpWebRequest, s3Request.MetaData);
this.AddAuthorizationHeader(httpWebRequest, s3Request);
}
else
{
AWS100Request aws100Request = (AWS100Request)request;
StringBuilder url = new StringBuilder();
url.Append("https://");
url.Append(config.Server);
url.Append(":");
url.Append("443");
url.Append("/2008-06-30/distribution/");
if (!string.IsNullOrEmpty(aws100Request.DistributionID))
{
url.Append(aws100Request.DistributionID);
if (aws100Request.GetType() == typeof(DistributionUpdateRequest))
{
url.Append("/config");
}
}
httpWebRequest = WebRequest.Create(url.ToString()) as HttpWebRequest;
httpWebRequest.KeepAlive = true;
httpWebRequest.AllowWriteStreamBuffering = false;
httpWebRequest.AllowAutoRedirect = false;
httpWebRequest.UserAgent = config.UserAgent;
httpWebRequest.Method = aws100Request.Method;
httpWebRequest.Timeout = aws100Request.Timeout;
httpWebRequest.ContentType = aws100Request.ContentType;
httpWebRequest.ContentLength = aws100Request.BytesTotal;
if (this.config.Proxy != null)
{
httpWebRequest.Proxy = this.config.Proxy;
}
this.AddHeaders(httpWebRequest, aws100Request.Headers);
this.AddMetadataHeaders(httpWebRequest, aws100Request.MetaData);
this.AddAuthorizationHeader(httpWebRequest, aws100Request);
}
return(httpWebRequest);
}
