protected override async Task <HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
{
var pinRequest = request as PinterestRequestMessage;
var query = HttpUtility.ParseQueryString(request.RequestUri.Query);
var queryNew = new HttpUtility.HttpQSCollection();
queryNew["client_id"] = PinterestConstants.CLIENT_ID;
queryNew["timestamp"] = PinterestHelpers.GenerateTimestamp();
if (pinRequest.IsSigned)
{
var dataContent = new NameValueCollection();
dataContent.Add(queryNew);
dataContent.Add(query);
if (request.Content != null)
{
var postContent = HttpUtility.ParseQueryString(await request.Content.ReadAsStringAsync());
dataContent.Add(postContent);
}
var sortedContent = new HttpUtility.HttpQSCollection();
foreach (var item in dataContent.AllKeys.OrderBy(k => k))
{
sortedContent.Add(item, dataContent[item]);
}
queryNew["oauth_signature"] = PinterestHelpers.GenerateSignature(
request.Method.ToString(),
request.RequestUri.GetComponents(UriComponents.Scheme | UriComponents.Host | UriComponents.Path, UriFormat.UriEscaped),
sortedContent.ToString());
}
queryNew.Add(query);
var uriBuilder = new UriBuilder(request.RequestUri);
uriBuilder.Query = queryNew.ToString();
request.RequestUri = uriBuilder.Uri;
return(await base.SendAsync(request, cancellationToken));
}
public PinterestAPI()
{
_httpClientHandler = new PinterestHttpHandler()
{
CookieContainer = new CookieContainer(),
AutomaticDecompression = DecompressionMethods.GZip
};
_httpClient = new HttpClient(_httpClientHandler)
{
BaseAddress = new Uri("https://api.pinterest.com/v3/")
};
_httpClient.DefaultRequestHeaders.Add("Accept-Encoding", "gzip");
_httpClient.DefaultRequestHeaders.Add("Accept-Language", "en_US");
_httpClient.DefaultRequestHeaders.Add("User-Agent", PinterestConstants.USER_AGENT);
_httpClient.DefaultRequestHeaders.Add("Pinterest-App-Info", "version=6.17.0;build=617040;environment=Release");
_httpClient.DefaultRequestHeaders.Add("X-Pinterest-AppState", "active");
_httpClient.DefaultRequestHeaders.Add("X-Pinterest-App-Type", "3");
_httpClient.DefaultRequestHeaders.Add("X-Pinterest-Device", "SCH-I829");
_httpClient.DefaultRequestHeaders.Add("X-Pinterest-Device-HardwareId", "a7919442c027368");
_httpClient.DefaultRequestHeaders.Add("X-Pinterest-InstallId", PinterestHelpers.GenerateInstallId());
_httpClient.DefaultRequestHeaders.Add("Connection", "keep-alive");
_httpClient.DefaultRequestHeaders.Add("Host", "api.pinterest.com");
}