public void VerifyUserAgentHeader()
{
var userAgent = new UserAgentHeader("test-product", "1.5.0");
var header = userAgent.GetHeader();
Assert.IsTrue(header.ContainsKey(BaseConstants.UserAgentHeader));
var userAgentString = userAgent.GetHeader()[BaseConstants.UserAgentHeader];
Assert.IsTrue(userAgentString.StartsWith("PayPalSDK/test-product 1.5.0"));
}
/// <summary>
/// Gets a collection of headers to be used in an HTTP request.
/// </summary>
/// <param name="apiContext">APIContext object containing information needed to construct the headers map.</param>
/// <returns>A collection of headers.</returns>
public static Dictionary <string, string> GetHeaderMap(APIContext apiContext)
{
var headers = new Dictionary <string, string>();
/*
* The implementation is PayPal specific. The Authorization header is
* formed for OAuth or Basic, for OAuth system the authorization token
* passed as a parameter is used in creation of HTTP header, for Basic
* Authorization the ClientID and ClientSecret passed as parameters are
* used after a Base64 encoding.
*/
if (!string.IsNullOrEmpty(apiContext.AccessToken))
{
headers.Add(BaseConstants.AuthorizationHeader, apiContext.AccessToken);
}
else
{
var config = apiContext.GetConfigWithDefaults();
var clientId = config.ContainsKey(BaseConstants.ClientId) ? config[BaseConstants.ClientId] : null;
var clientSecret = config.ContainsKey(BaseConstants.ClientSecret) ? config[BaseConstants.ClientSecret] : null;
if (!string.IsNullOrEmpty(clientId) && !string.IsNullOrEmpty(clientSecret))
{
headers.Add(BaseConstants.AuthorizationHeader, "Basic " + EncodeToBase64(clientId, clientSecret));
}
}
/*
* Appends request Id which is used by PayPal API service for
* Idempotency
*/
var requestId = apiContext.MaskRequestId ? null : apiContext.RequestId;
if (!string.IsNullOrEmpty(requestId))
{
headers.Add(BaseConstants.PayPalRequestIdHeader, requestId);
}
// Add User-Agent header for tracking in PayPal system
var userAgentMap = UserAgentHeader.GetHeader();
if (userAgentMap != null && userAgentMap.Count > 0)
{
foreach (KeyValuePair <string, string> entry in userAgentMap)
{
headers.Add(entry.Key, entry.Value);
}
}
// Add any custom headers
if (apiContext.HTTPHeaders != null && apiContext.HTTPHeaders.Count > 0)
{
foreach (var header in apiContext.HTTPHeaders)
{
headers.Add(header.Key, header.Value);
}
}
return(headers);
}
/// <summary>
/// Returns a PayPal specific User-Agent HTTP Header
/// </summary>
/// <returns>Dictionary containing User-Agent HTTP Header</returns>
public static Dictionary <string, string> GetHeader()
{
var userAgentDictionary = new Dictionary <string, string>
{
{ BaseConstants.UserAgentHeader, UserAgentHeader.GetUserAgentHeader() }
};
return(userAgentDictionary);
}
private string GenerateOAuthToken(string base64ClientId)
{
string response = null;
Uri uniformResourceIdentifier = null;
Uri baseUri = null;
if (config.ContainsKey(BaseConstants.OAuthEndpoint))
{
baseUri = new Uri(config[BaseConstants.OAuthEndpoint]);
}
else if (config.ContainsKey(BaseConstants.EndpointConfig))
{
baseUri = new Uri(config[BaseConstants.EndpointConfig]);
}
else if (config.ContainsKey(BaseConstants.ApplicationModeConfig))
{
string mode = config[BaseConstants.ApplicationModeConfig];
if (mode.Equals(BaseConstants.LiveMode))
{
baseUri = new Uri(BaseConstants.RESTLiveEndpoint);
}
else if (mode.Equals(BaseConstants.SandboxMode))
{
baseUri = new Uri(BaseConstants.RESTSandboxEndpoint);
}
else
{
throw new ConfigException("You must specify one of mode(live/sandbox) OR endpoint in the configuration");
}
}
bool success = Uri.TryCreate(baseUri, OAuthTokenPath, out uniformResourceIdentifier);
ConnectionManager connManager = ConnectionManager.Instance;
HttpWebRequest httpRequest = connManager.GetConnection(this.config, uniformResourceIdentifier.AbsoluteUri);
Dictionary <string, string> headers = new Dictionary <string, string>();
headers.Add("Authorization", "Basic " + base64ClientId);
string postRequest = "grant_type=client_credentials";
httpRequest.Method = "POST";
httpRequest.Accept = "*/*";
httpRequest.ContentType = "application/x-www-form-urlencoded";
UserAgentHeader userAgentHeader = new UserAgentHeader(SdkVersion == null ? "" : SdkVersion.GetSDKId(), SdkVersion == null ? "" : SdkVersion.GetSDKVersion());
Dictionary <string, string> userAgentMap = userAgentHeader.GetHeader();
foreach (KeyValuePair <string, string> entry in userAgentMap)
{
// aganzha
//iso-8859-1
var iso8851 = Encoding.GetEncoding("iso-8859-1", new EncoderReplacementFallback(string.Empty), new DecoderExceptionFallback());
var bytes = Encoding.Convert(Encoding.UTF8, iso8851, Encoding.UTF8.GetBytes(entry.Value));
httpRequest.UserAgent = iso8851.GetString(bytes);
}
foreach (KeyValuePair <string, string> header in headers)
{
httpRequest.Headers.Add(header.Key, header.Value);
}
HttpConnection httpConnection = new HttpConnection(config);
response = httpConnection.Execute(postRequest, httpRequest);
JObject deserializedObject = (JObject)JsonConvert.DeserializeObject(response);
string generatedToken = (string)deserializedObject["token_type"] + " " + (string)deserializedObject["access_token"];
appId = (string)deserializedObject["app_id"];
secondsToExpire = (int)deserializedObject["expires_in"];
timeInMilliseconds = DateTime.Now.Millisecond;
return(generatedToken);
}
/// <summary>
/// Override this method to customize User-Agent header value
/// </summary>
/// <returns>User-Agent header value string</returns>
protected Dictionary <string, string> FormUserAgentHeader()
{
UserAgentHeader userAgentHeader = new UserAgentHeader((SdkVersion == null)? null : SdkVersion.GetSDKId(), (SdkVersion == null)? null : SdkVersion.GetSDKVersion());
return(userAgentHeader.GetHeader());
}
private string GenerateOAuthToken(string base64ClientId)
{
string response = null;
Uri uniformResourceIdentifier = null;
Uri baseUri = null;
if (config.ContainsKey(BaseConstants.OAuthEndpoint))
{
baseUri = new Uri(config[BaseConstants.OAuthEndpoint]);
}
else if (config.ContainsKey(BaseConstants.EndpointConfig))
{
baseUri = new Uri(config[BaseConstants.EndpointConfig]);
}
else if (config.ContainsKey(BaseConstants.ApplicationModeConfig))
{
string mode = config[BaseConstants.ApplicationModeConfig];
if (mode.Equals(BaseConstants.LiveMode))
{
baseUri = new Uri(BaseConstants.RESTLiveEndpoint);
}
else if (mode.Equals(BaseConstants.SandboxMode))
{
baseUri = new Uri(BaseConstants.RESTSandboxEndpoint);
}
else
{
throw new ConfigException("You must specify one of mode(live/sandbox) OR endpoint in the configuration");
}
}
bool success = Uri.TryCreate(baseUri, OAuthTokenPath, out uniformResourceIdentifier);
ConnectionManager connManager = ConnectionManager.Instance;
HttpWebRequest httpRequest = connManager.GetConnection(this.config, uniformResourceIdentifier.AbsoluteUri);
Dictionary<string, string> headers = new Dictionary<string, string>();
headers.Add("Authorization", "Basic " + base64ClientId);
string postRequest = "grant_type=client_credentials";
httpRequest.Method = "POST";
httpRequest.Accept = "*/*";
httpRequest.ContentType = "application/x-www-form-urlencoded";
UserAgentHeader userAgentHeader = new UserAgentHeader(SdkVersion == null ? "" : SdkVersion.GetSDKId(), SdkVersion == null ? "" : SdkVersion.GetSDKVersion());
Dictionary<string, string> userAgentMap = userAgentHeader.GetHeader();
foreach (KeyValuePair<string, string> entry in userAgentMap)
{
// aganzha
//iso-8859-1
var iso8851 = Encoding.GetEncoding("iso-8859-1", new EncoderReplacementFallback(string.Empty), new DecoderExceptionFallback());
var bytes = Encoding.Convert(Encoding.UTF8,iso8851, Encoding.UTF8.GetBytes(entry.Value));
httpRequest.UserAgent = iso8851.GetString(bytes);
}
foreach (KeyValuePair<string, string> header in headers)
{
httpRequest.Headers.Add(header.Key, header.Value);
}
HttpConnection httpConnection = new HttpConnection(config);
response = httpConnection.Execute(postRequest, httpRequest);
JObject deserializedObject = (JObject)JsonConvert.DeserializeObject(response);
string generatedToken = (string)deserializedObject["token_type"] + " " + (string)deserializedObject["access_token"];
appId = (string)deserializedObject["app_id"];
secondsToExpire = (int)deserializedObject["expires_in"];
timeInMilliseconds = DateTime.Now.Millisecond;
return generatedToken;
}
/// <summary>
/// Override this method to customize User-Agent header value
/// </summary>
/// <returns>User-Agent header value string</returns>
protected Dictionary<string, string> FormUserAgentHeader()
{
UserAgentHeader userAgentHeader = new UserAgentHeader((SdkVersion == null)? null : SdkVersion.GetSDKId(), (SdkVersion == null)? null : SdkVersion.GetSDKVersion());
return userAgentHeader.GetHeader();
}
