/// <summary>Creates a message representation as follows:
/// HTTP method\n +
/// Content-MD5\n +
/// Response content type (accept header)\n +
/// Canonicalized URI\n
/// ISO-8601 UTC timestamp including milliseconds (e.g. 2013-09-23T09:24:43.5395441Z)\n
/// Public-Key
/// </summary>
public string CreateMessageRepresentation(WebApiRequestContext context, string contentMd5Hash, string timestamp, bool queryStringDecode = false)
{
if (context == null || !context.IsValid)
{
return(null);
}
var url = context.Url;
if (queryStringDecode)
{
var uri = new Uri(url);
if (uri.Query != null && uri.Query.Length > 0)
{
url = string.Concat(uri.GetLeftPart(UriPartial.Path), HttpUtility.UrlDecode(uri.Query));
}
}
var result = string.Join(_delimiterRepresentation,
context.HttpMethod.ToLower(),
contentMd5Hash ?? "",
context.HttpAcceptType.ToLower(),
url.ToLower(),
timestamp,
context.PublicKey.ToLower()
);
return(result);
}
//public void AddApiFileParameter(Dictionary<string, object> multipartData, string filePath, int pictureId)
//{
// var count = 0;
// var paths = filePath.Contains(";") ? filePath.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries).ToList() : new List<string> { filePath };
// foreach (var path in paths)
// {
// using (var fstream = new FileStream(path, FileMode.Open, FileAccess.Read))
// {
// byte[] data = new byte[fstream.Length];
// fstream.Read(data, 0, data.Length);
// var name = Path.GetFileName(path);
// var id = string.Format("my-file-{0}", ++count);
// var apiFile = new ApiFileParameter(data, name, MimeMapping.GetMimeMapping(name));
// if (pictureId != 0)
// {
// apiFile.Parameters.Add("PictureId", pictureId.ToString());
// }
// // Test pass through of custom parameters
// apiFile.Parameters.Add("CustomValue1", string.Format("{0:N}", Guid.NewGuid()));
// apiFile.Parameters.Add("CustomValue2", string.Format("say hello to {0}", id));
// multipartData.Add(id, apiFile);
// fstream.Close();
// }
// }
//}
public HttpWebRequest StartRequest(WebApiRequestContext context, string content, Dictionary <string, object> multipartData, out StringBuilder requestContent)
{
requestContent = new StringBuilder();
if (context == null || !context.IsValid)
{
return(null);
}
// Client system time must not be too far away from APPI server time! Check response header.
// ISO-8601 utc timestamp with milliseconds (e.g. 2013-09-23T09:24:43.5395441Z).
string timestamp = DateTime.UtcNow.ToString("o");
byte[] data = null;
var contentMd5Hash = string.Empty;
var request = (HttpWebRequest)WebRequest.Create(context.Url);
SetTimeout(request);
// Optional.
request.UserAgent = Program.ConsumerName;
request.Method = context.HttpMethod;
request.Headers.Add(HttpRequestHeader.Pragma, "no-cache");
request.Headers.Add(HttpRequestHeader.CacheControl, "no-cache, no-store");
request.Accept = context.HttpAcceptType;
request.Headers.Add(HttpRequestHeader.AcceptCharset, "UTF-8");
request.Headers.Add(WebApiGlobal.HeaderName.PublicKey, context.PublicKey);
request.Headers.Add(WebApiGlobal.HeaderName.Date, timestamp);
// Additional headers.
if (context.AdditionalHeaders.HasValue())
{
var jsonHeaders = JObject.Parse(context.AdditionalHeaders);
foreach (var item in jsonHeaders)
{
var value = item.Value?.ToString();
if (item.Key.HasValue() && value.HasValue())
{
request.Headers.Add(item.Key, value);
}
}
}
if (BodySupported(context.HttpMethod))
{
if (MultipartSupported(context.HttpMethod) && (multipartData?.Any() ?? false))
{
var formDataBoundary = string.Format("----------{0:N}", Guid.NewGuid());
data = GetMultipartFormData(multipartData, formDataBoundary, requestContent);
contentMd5Hash = CreateContentMd5Hash(data);
request.ContentLength = data.Length;
request.ContentType = "multipart/form-data; boundary=" + formDataBoundary;
}
else if (!string.IsNullOrWhiteSpace(content))
{
requestContent.Append(content);
data = Encoding.UTF8.GetBytes(content);
contentMd5Hash = CreateContentMd5Hash(data);
request.ContentLength = data.Length;
request.ContentType = "application/json; charset=utf-8";
}
else
{
request.ContentLength = 0;
}
}
if (!string.IsNullOrEmpty(contentMd5Hash))
{
// Optional. Provider returns HmacResult.ContentMd5NotMatching if there's no match.
request.Headers.Add(HttpRequestHeader.ContentMd5, contentMd5Hash);
}
var messageRepresentation = CreateMessageRepresentation(context, contentMd5Hash, timestamp, true);
//Debug.WriteLine(messageRepresentation);
var signature = CreateSignature(context.SecretKey, messageRepresentation);
request.Headers.Add(HttpRequestHeader.Authorization, CreateAuthorizationHeader(signature));
if (data != null)
{
using (var stream = request.GetRequestStream())
{
stream.Write(data, 0, data.Length);
}
}
requestContent.Insert(0, request.Headers.ToString());
return(request);
}
private void CallTheApi()
{
if (txtUrl.Text.HasValue() && !txtUrl.Text.EndsWith("/"))
{
txtUrl.Text += "/";
}
if (cboPath.Text.HasValue() && !cboPath.Text.StartsWith("/"))
{
cboPath.Text = "/" + cboPath.Text;
}
var context = new WebApiRequestContext
{
PublicKey = txtPublicKey.Text,
SecretKey = txtSecretKey.Text,
Url = txtUrl.Text + (radioOdata.Checked ? "odata/" : "api/") + txtVersion.Text + cboPath.Text,
HttpMethod = cboMethod.Text,
HttpAcceptType = radioJson.Checked ? ApiConsumer.JsonAcceptType : ApiConsumer.XmlAcceptType,
AdditionalHeaders = cboHeaders.Text
};
if (cboQuery.Text.HasValue())
{
context.Url = string.Format("{0}?{1}", context.Url, cboQuery.Text);
}
if (!context.IsValid)
{
"Please enter Public-Key, Secret-Key, URL and method.".Box(MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
Debug.WriteLine(context.ToString());
return;
}
var apiConsumer = new ApiConsumer();
var response = new WebApiConsumerResponse();
var sb = new StringBuilder();
StringBuilder requestContent = null;
Dictionary <string, object> multiPartData = null;
lblRequest.Text = "Request: " + context.HttpMethod + " " + context.Url;
lblRequest.Refresh();
// Create multipart form data.
if (cboFileUpload.Text.HasValue())
{
try
{
var fileUploadModel = JsonConvert.DeserializeObject(cboFileUpload.Text, typeof(FileUploadModel)) as FileUploadModel;
multiPartData = apiConsumer.CreateMultipartData(fileUploadModel);
}
catch
{
cboFileUpload.RemoveCurrent();
cboFileUpload.Text = string.Empty;
"File upload data is invalid.".Box(MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
}
var webRequest = apiConsumer.StartRequest(context, cboContent.Text, multiPartData, out requestContent);
txtRequest.Text = requestContent.ToString();
var result = apiConsumer.ProcessResponse(webRequest, response, folderBrowserDialog1);
lblResponse.Text = "Response: " + response.Status;
sb.Append(response.Headers);
if (result && response.Content.HasValue())
{
if (radioJson.Checked && radioOdata.Checked)
{
var customers = response.TryParseCustomers();
if (customers != null)
{
sb.AppendLine("Parsed {0} customer(s):".FormatInvariant(customers.Count));
customers.ForEach(x => sb.AppendLine(x.ToString()));
sb.Append("\r\n");
}
}
}
sb.Append(response.Content);
txtResponse.Text = sb.ToString();
cboPath.InsertRolled(cboPath.Text, 64);
cboQuery.InsertRolled(cboQuery.Text, 64);
cboContent.InsertRolled(cboContent.Text, 64);
cboHeaders.InsertRolled(cboHeaders.Text, 64);
cboFileUpload.InsertRolled(cboFileUpload.Text, 64);
}
