/// <summary>
/// Execute a set of options against a previous uploaded/shrinked file.
/// </summary>
/// <param name="response">Response object from a upload/shrink operation.</param>
/// <param name="width">Width to scale within.</param>
/// <param name="height">Height to scale within.</param>
/// <param name="method">Scale method to apply.</param>
/// <param name="outputFile">Filename to save to.</param>
/// <param name="store">Amazon S3 credentials and information.</param>
/// <returns>Stream</returns>
private Stream executeOption(TinifyResponse response, int?width, int?height, string method = null, string outputFile = null, TinifyOptionsStore store = null)
{
var options = new TinifyOptions();
if (method != null &&
(width.HasValue ||
height.HasValue))
{
options.resize = new TinifyOptionsResize {
method = method
};
if (width.HasValue)
{
options.resize.width = width.Value;
}
if (height.HasValue)
{
options.resize.height = height.Value;
}
}
if (store != null)
{
options.store = store;
}
var stream = request(
"POST",
response.output.url,
null,
options);
writeStreamToDisk(
stream,
outputFile);
return(stream);
}
/// <summary>
/// Performs the actual communication towards the Tinify API.
/// </summary>
/// <param name="method">HTTP method to perform.</param>
/// <param name="url">URL to request.</param>
/// <param name="binaryFile">File to upload.</param>
/// <param name="options">Options to pass along to the API.</param>
/// <returns>Stream</returns>
private Stream request(string method = "POST", string url = null, string binaryFile = null, TinifyOptions options = null)
{
if (url == null)
url = "https://api.tinify.com/shrink";
var request = WebRequest.Create(url) as HttpWebRequest;
if (request == null)
throw new WebException("Could not create webrequest.");
request.Method = method;
request.Headers.Add(
"Authorization",
"Basic " + this.base64ApiKey);
if (!string.IsNullOrEmpty(binaryFile)) {
var requestStream = request.GetRequestStream();
var bytes = File.ReadAllBytes(binaryFile);
requestStream.Write(bytes, 0, bytes.Length);
}
if (options != null) {
request.ContentType = "application/json";
var requestStream = request.GetRequestStream();
var json = new JavaScriptSerializer().Serialize(options);
var bytes = Encoding.UTF8.GetBytes(json);
requestStream.Write(bytes, 0, bytes.Length);
}
this.LastHttpStatusCode = 0;
this.LastHttpStatusDescription = null;
HttpWebResponse response = null;
try {
response = request.GetResponse() as HttpWebResponse;
if (response == null)
throw new Exception("Request returned NULL response.");
this.LastHttpStatusCode = (int) response.StatusCode;
this.LastHttpStatusDescription = response.StatusDescription;
}
catch (WebException ex) {
var erres = ex.Response as HttpWebResponse;
if (erres == null)
throw new Exception("Request returned NULL response.");
this.LastHttpStatusCode = (int) erres.StatusCode;
this.LastHttpStatusDescription = erres.StatusDescription;
}
return response != null
? response.GetResponseStream()
: null;
}
/// <summary>
/// Execute a set of options against a previous uploaded/shrinked file.
/// </summary>
/// <param name="response">Response object from a upload/shrink operation.</param>
/// <param name="width">Width to scale within.</param>
/// <param name="height">Height to scale within.</param>
/// <param name="method">Scale method to apply.</param>
/// <param name="outputFile">Filename to save to.</param>
/// <param name="store">Amazon S3 credentials and information.</param>
/// <returns>Stream</returns>
private Stream executeOption(TinifyResponse response, int? width, int? height, string method = null, string outputFile = null, TinifyOptionsStore store = null)
{
var options = new TinifyOptions();
if (method != null &&
(width.HasValue ||
height.HasValue)) {
options.resize = new TinifyOptionsResize {
method = method
};
if (width.HasValue)
options.resize.width = width.Value;
if (height.HasValue)
options.resize.height = height.Value;
}
if (store != null)
options.store = store;
var stream = request(
"POST",
response.output.url,
null,
options);
writeStreamToDisk(
stream,
outputFile);
return stream;
}
/// <summary>
/// Performs the actual communication towards the Tinify API.
/// </summary>
/// <param name="method">HTTP method to perform.</param>
/// <param name="url">URL to request.</param>
/// <param name="binaryFile">File to upload.</param>
/// <param name="options">Options to pass along to the API.</param>
/// <returns>Stream</returns>
private Stream request(string method = "POST", string url = null, string binaryFile = null, TinifyOptions options = null)
{
if (url == null)
{
url = "https://api.tinify.com/shrink";
}
var request = WebRequest.Create(url) as HttpWebRequest;
if (request == null)
{
throw new WebException("Could not create webrequest.");
}
request.Method = method;
request.Headers.Add(
"Authorization",
"Basic " + this.base64ApiKey);
if (!string.IsNullOrEmpty(binaryFile))
{
var requestStream = request.GetRequestStream();
var bytes = File.ReadAllBytes(binaryFile);
requestStream.Write(bytes, 0, bytes.Length);
}
if (options != null)
{
request.ContentType = "application/json";
var requestStream = request.GetRequestStream();
var json = new JavaScriptSerializer().Serialize(options);
var bytes = Encoding.UTF8.GetBytes(json);
requestStream.Write(bytes, 0, bytes.Length);
}
this.LastHttpStatusCode = 0;
this.LastHttpStatusDescription = null;
HttpWebResponse response = null;
try {
response = request.GetResponse() as HttpWebResponse;
if (response == null)
{
throw new Exception("Request returned NULL response.");
}
this.LastHttpStatusCode = (int)response.StatusCode;
this.LastHttpStatusDescription = response.StatusDescription;
}
catch (WebException ex) {
var erres = ex.Response as HttpWebResponse;
if (erres == null)
{
throw new Exception("Request returned NULL response.");
}
this.LastHttpStatusCode = (int)erres.StatusCode;
this.LastHttpStatusDescription = erres.StatusDescription;
}
return(response != null
? response.GetResponseStream()
: null);
}