/// <summary>
/// Reads the headers from App.config.
/// </summary>
/// <param name="config">The configuration class.</param>
protected override void ReadHeadersFromConfig(AppConfig config)
{
DfpAppConfig dfpConfig = (DfpAppConfig)config;
this.requestHeader = new RequestHeader();
this.requestHeader.networkCode = dfpConfig.NetworkCode;
this.requestHeader.applicationName = dfpConfig.GetUserAgent();
}
private void DoAuth2Configuration(DfpAppConfig config) {
// Since we use this page for OAuth callback also, we set the callback
// url as the current page. For a non-web application, this will be null.
config.OAuth2RedirectUri = Request.Url.GetLeftPart(UriPartial.Path);
// Create an OAuth2 object for handling OAuth2 flow.
OAuth2ProviderForApplications oAuth = new OAuth2ProviderForApplications(config);
if (Request.Params["state"] == null) {
// This is the first time this page is being loaded.
// Set the state variable to any value that helps you recognize
// when this url will be called by the OAuth2 server.
oAuth.State = "callback";
// Create an authorization url and redirect the user to that page.
Response.Redirect(oAuth.GetAuthorizationUrl());
} else if (Request.Params["state"] == "callback") {
// This page was loaded because OAuth server did a callback.
// Retrieve the authorization code from the url and use it to fetch
// the access token. This call will also fetch the refresh token if
// your mode is offline.
oAuth.FetchAccessAndRefreshTokens(Request.Params["code"]);
// Save the OAuth2 provider for future use. If you wish to save only
// the values and restore the object later, then save
// oAuth.RefreshToken, oAuth.AccessToken, oAuth.UpdatedOn and
// oAuth.ExpiresIn.
//
// You can later restore the values as
// DfpUser user = new DfpUser();
// user.Config.OAuth2Mode = OAuth2Flow.APPLICATION;
// OAuth2ProviderForApplications oAuth =
// (user.OAuthProvider as OAuth2ProviderForApplications);
// oAuth.RefreshToken = xxx;
// oAuth.AccessToken = xxx;
// oAuth.UpdatedOn = xxx;
// oAuth.ExpiresIn = xxx;
//
// Note that only oAuth.RefreshToken is mandatory. If you leave
// oAuth.AccessToken as empty, or if oAuth.UpdatedOn + oAuth.ExpiresIn
// is in the past, the access token will be refreshed by the library.
// You can listen to this event as
//
// oAuth.OnOAuthTokensObtained += delegate(AdsOAuthProvider provider) {
// OAuth2ProviderForApplications oAuth =
// (provider as OAuth2ProviderForApplications);
// // Save oAuth.RefreshToken, oAuth.AccessToken, oAuth.UpdatedOn and
// // oAuth.ExpiresIn.
//};
Session["OAuthProvider"] = oAuth;
// Redirect the user to the main page.
Response.Redirect("Default.aspx");
} else {
throw new Exception("Unknown state for OAuth callback.");
}
}
/// <summary>
/// Handles the Load event of the Page control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing
/// the event data.</param>
protected void Page_Load(object sender, EventArgs e) {
// Create an DfpAppConfig object with the default settings in
// App.config.
DfpAppConfig config = new DfpAppConfig();
if (config.AuthorizationMethod == DfpAuthorizationMethod.OAuth2) {
if (config.OAuth2Mode == OAuth2Flow.APPLICATION &&
string.IsNullOrEmpty(config.OAuth2RefreshToken)) {
DoAuth2Configuration(config);
}
}
}
/// <summary>
/// Initializes the service before MakeApiCall.
/// </summary>
/// <param name="methodName">Name of the method.</param>
/// <param name="parameters">The method parameters.</param>
protected override void InitForCall(string methodName, object[] parameters)
{
DfpAppConfig config = this.User.Config as DfpAppConfig;
string oAuthHeader = null;
RequestHeader header = GetRequestHeader();
if (header == null)
{
throw new DfpApiException(null, DfpErrorMessages.FailedToSetAuthorizationHeader);
}
if (!(this.GetType().Name == "NetworkService" && (methodName == "getAllNetworks" ||
methodName == "makeTestNetwork")))
{
if (string.IsNullOrEmpty(header.networkCode))
{
throw new SoapHeaderException("networkCode header is required in all API versions. " +
"The only exceptions are NetworkService.getAllNetworks and " +
"NetworkService.makeTestNetwork.", XmlQualifiedName.Empty);
}
}
if (string.IsNullOrEmpty(header.applicationName) || header.applicationName.Contains(
DfpAppConfig.DEFAULT_APPLICATION_NAME))
{
throw new ApplicationException(DfpErrorMessages.RequireValidApplicationName);
}
if (config.AuthorizationMethod == DfpAuthorizationMethod.OAuth2)
{
if (this.User.OAuthProvider != null)
{
oAuthHeader = this.User.OAuthProvider.GetAuthHeader();
}
else
{
throw new DfpApiException(null, DfpErrorMessages.OAuthProviderCannotBeNull);
}
}
else if (config.AuthorizationMethod == DfpAuthorizationMethod.ClientLogin)
{
string authToken = (!string.IsNullOrEmpty(config.AuthToken)) ? config.AuthToken :
new AuthToken(config, SERVICE_NAME).GetToken();
ClientLogin clientLogin = (header.authentication as ClientLogin) ?? new ClientLogin();
clientLogin.token = authToken;
header.authentication = clientLogin;
}
ContextStore.AddKey("OAuthHeader", oAuthHeader);
base.InitForCall(methodName, parameters);
}
/// <summary>
/// Initializes the service before MakeApiCall.
/// </summary>
/// <param name="methodName">Name of the method.</param>
/// <param name="parameters">The method parameters.</param>
protected override void InitForCall(string methodName, object[] parameters)
{
DfpAppConfig config = this.User.Config as DfpAppConfig;
string oAuthHeader = null;
RequestHeader header = GetRequestHeader();
if (header == null)
{
throw new DfpApiException(null, DfpErrorMessages.FailedToSetAuthorizationHeader);
}
if (!(this.GetType().Name == "NetworkService" && (methodName == "getAllNetworks" ||
methodName == "makeTestNetwork")))
{
if (string.IsNullOrEmpty(header.networkCode))
{
throw new SoapHeaderException("networkCode header is required in all API versions. " +
"The only exceptions are NetworkService.getAllNetworks and " +
"NetworkService.makeTestNetwork.", XmlQualifiedName.Empty);
}
}
// TODO: (cseeley) add tests for this MOE:strip_line
if (string.IsNullOrWhiteSpace(header.applicationName) || header.applicationName.Contains(
DfpAppConfig.DEFAULT_APPLICATION_NAME))
{
throw new ApplicationException(DfpErrorMessages.RequireValidApplicationName);
}
if (config.AuthorizationMethod == DfpAuthorizationMethod.OAuth2)
{
if (this.User.OAuthProvider != null)
{
oAuthHeader = this.User.OAuthProvider.GetAuthHeader();
}
else
{
throw new DfpApiException(null, DfpErrorMessages.OAuthProviderCannotBeNull);
}
}
else
{
throw new DfpApiException(null, DfpErrorMessages.UnsupportedAuthorizationMethod);
}
ContextStore.AddKey("OAuthHeader", oAuthHeader);
base.InitForCall(methodName, parameters);
}
/// <summary>
/// Create a service object.
/// </summary>
/// <param name="signature">Signature of the service being created.</param>
/// <param name="user">The user for which the service is being created.
/// <param name="serverUrl">The server to which the API calls should be
/// made.</param>
/// </param>
/// <returns>An object of the desired service type.</returns>
public override AdsClient CreateService(ServiceSignature signature, AdsUser user,
Uri serverUrl)
{
DfpAppConfig dfpConfig = (DfpAppConfig)Config;
if (serverUrl == null)
{
serverUrl = new Uri(dfpConfig.DfpApiServer);
}
if (user == null)
{
throw new ArgumentNullException("user");
}
CheckServicePreconditions(signature);
DfpServiceSignature dfpapiSignature = signature as DfpServiceSignature;
AdsClient service = (AdsClient)Activator.CreateInstance(dfpapiSignature.ServiceType);
PropertyInfo propInfo = dfpapiSignature.ServiceType.GetProperty("RequestHeader");
if (propInfo != null)
{
RequestHeader clonedHeader = (RequestHeader)requestHeader.Clone();
clonedHeader.Version = dfpapiSignature.Version;
propInfo.SetValue(service, clonedHeader, null);
}
if (dfpConfig.Proxy != null)
{
service.Proxy = dfpConfig.Proxy;
}
service.Timeout = dfpConfig.Timeout;
service.Url = string.Format("{0}apis/ads/publisher/{1}/{2}",
serverUrl, dfpapiSignature.Version, dfpapiSignature.ServiceName);
service.UserAgent = dfpConfig.GetUserAgent();
service.Signature = signature;
service.User = user;
return(service);
}
/// <summary>
/// Checks preconditions of the service signature and throws and exception if the service
/// cannot be generated.
/// </summary>
/// <param name="signature">the service signature for generating the service</param>
protected override void CheckServicePreconditions(ServiceSignature signature)
{
if (signature == null)
{
throw new ArgumentNullException("signature");
}
if (!(signature is DfpServiceSignature))
{
throw new InvalidCastException(string.Format(CultureInfo.InvariantCulture,
DfpErrorMessages.SignatureIsOfWrongType, typeof(DfpServiceSignature)));
}
DfpAppConfig dfpConfig = (DfpAppConfig)Config;
DfpServiceSignature dfpSignature = signature as DfpServiceSignature;
String version = dfpSignature.Version;
if (dfpConfig.AuthorizationMethod == DfpAuthorizationMethod.ClientLogin &&
version.CompareTo(FINAL_CLIENT_LOGIN_VERSION) > 0)
{
throw new DfpException(string.Format(DfpErrorMessages.ClientLoginNotSupported, version));
}
}
/// <summary>
/// Create a service object.
/// </summary>
/// <param name="signature">Signature of the service being created.</param>
/// <param name="user">The user for which the service is being created.
/// <param name="serverUrl">The server to which the API calls should be
/// made.</param>
/// </param>
/// <returns>An object of the desired service type.</returns>
public override AdsClient CreateService(ServiceSignature signature, AdsUser user,
Uri serverUrl)
{
DfpAppConfig dfpConfig = (DfpAppConfig)Config;
if (serverUrl == null)
{
serverUrl = new Uri(dfpConfig.DfpApiServer);
}
if (user == null)
{
throw new ArgumentNullException("user");
}
CheckServicePreconditions(signature);
DfpServiceSignature dfpapiSignature = signature as DfpServiceSignature;
EndpointAddress endpoint = new EndpointAddress(string.Format(ENDPOINT_TEMPLATE,
serverUrl, dfpapiSignature.Version, dfpapiSignature.ServiceName));
// Create the binding for the service
BasicHttpBinding binding = new BasicHttpBinding();
binding.Security.Mode = BasicHttpSecurityMode.Transport;
binding.Security.Transport.ClientCredentialType = HttpClientCredentialType.None;
binding.MaxReceivedMessageSize = int.MaxValue;
binding.TextEncoding = Encoding.UTF8;
AdsClient service = (AdsClient)Activator.CreateInstance(
dfpapiSignature.ServiceType,
new object[] { binding, endpoint });
ServiceEndpoint serviceEndpoint =
(ServiceEndpoint)service.GetType().GetProperty("Endpoint").GetValue(service, null);
AdsServiceInspectorBehavior inspectorBehavior = new AdsServiceInspectorBehavior();
inspectorBehavior.Add(new OAuth2ClientMessageInspector(user.OAuthProvider));
RequestHeader clonedHeader = (RequestHeader)requestHeader.Clone();
clonedHeader.Version = dfpapiSignature.Version;
inspectorBehavior.Add(new DfpSoapHeaderInspector()
{
RequestHeader = clonedHeader,
Config = dfpConfig
});
inspectorBehavior.Add(new SoapListenerInspector(user, dfpapiSignature.ServiceName));
inspectorBehavior.Add(new SoapFaultInspector <DfpApiException>()
{
ErrorType = dfpapiSignature.ServiceType.Assembly.GetType(
dfpapiSignature.ServiceType.Namespace + ".ApiException"),
});
#if NET452
serviceEndpoint.Behaviors.Add(inspectorBehavior);
#else
serviceEndpoint.EndpointBehaviors.Add(inspectorBehavior);
#endif
if (dfpConfig.Proxy != null)
{
service.Proxy = dfpConfig.Proxy;
}
service.EnableDecompression = dfpConfig.EnableGzipCompression;
service.Timeout = dfpConfig.Timeout;
service.UserAgent = dfpConfig.GetUserAgent();
service.Signature = signature;
service.User = user;
return(service);
}
private void ConfigureForClientLogin() {
DfpAppConfig config = new DfpAppConfig();
config.AuthorizationMethod = DfpAuthorizationMethod.ClientLogin;
serviceFactory.Config = config;
}
private void ConfigureForOAuth2() {
DfpAppConfig config = new DfpAppConfig();
config.AuthorizationMethod = DfpAuthorizationMethod.OAuth2;
serviceFactory.Config = config;
}
/// <summary>
/// Public constructor. Use this version if you want to construct
/// a DfpUser with a custom configuration.
/// </summary>
public DfpUser(DfpAppConfig config)
: base(config)
{
}
