webMethods and Intelligent Business Operations 10.2 | Integrating Cloud Applications | Integration Server Built-In Services | Client Folder | pub.client.oauth:executeRequest
 
pub.client.oauth:executeRequest
WmPublic. Allows Integration Server to access protected resources on a resource server using an existing Open Authentication (OAuth) access token.
When a client application requires the OAuth protocol to access a user’s protected resources on a third-party resource server (for example, Facebook, Google, Twitter, or another Integration Server), the client application must present an access token on behalf of the user in order to gain access. This service presents the access token to the resource server on behalf of the user.
Note: To use this service, you must have registered the client with the provider's authorization server and received an access token. You will use the information given to you by the provider to configure this service. For information about registering a client and obtaining an access token, refer to the provider's documentation.
Integration Server uses the Scribe API, a simple open source client implementation, to connect to OAuth providers. The Scribe API provides client implementations for many providers such as Facebook, Google, and Twitter. For information about using the Scribe API, see the Usage Notes.
Input Parameters
provider
String Name of the service provider to which the client will connect. Integration Server uses this parameter to determine which OAuth client implementation in the Scribe library to use when issuing requests.
Possible values are IntegrationServer and Other (case insensitive).
Note: If set to Other, you must specify a value for providerClass.
providerClass
String Name of a class that implements the org.scribe.builder.api.Api interface.
This parameter is required only when the provider parameter is set to Other.
Note: The org.scribe.builder.api.Api interface is part of the Scribe API. It facilitates the use of the pub.client.oauth:executeRequest service to connect to providers other than IntegrationServer. For more information about org.scribe.builder.api.Api see the Usage Notes.
clientID
String The client identifier assigned to the client by the provider.
The clientID is used to authenticate the client to the provider. The value is assigned by the provider at registration time.
clientSecret
String The secret assigned to the client when it registered with the provider.
Use this parameter to specify either the client secret or the key to the client secret in the outbound password store. For information about using the outbound password store, see the Usage Notes.
accessToken
String The access token assigned to the client application when it registered with the provider.
Note: The process for obtaining the accessToken varies depending on the provider. For information about obtaining the accessToken, refer to your provider's documentation.
Use this parameter to specify either the access token or the key to the access token in the outbound password store. For information about using the outbound password store, see the Usage Notes.
acccessTokenSecret
String Optional. The access token secret assigned to the client application when it registered with the provider.
Note: The process for obtaining the accessTokenSecret varies depending on the provider. For information about obtaining the accessTokenSecret, refer to your provider's documentation.
Use this parameter to specify either the access token secret or the key to the access token secret in the outbound password store. For information about using the outbound password store, see the Usage Notes.
Note: Not all providers use an access token secret. If the provider issued a secret with the token, you must specify it with the accessTokenSecret parameter.
resourceUri
String The URI given to the client application when it registered with the provider.
The client application uses this URI when issuing requests to the provider. It points to the resource that the client application wants to access on the provider.
method
String The HTTP method Integration Server will use to issue the request to the provider.
Possible values are get, post, put, and delete.
headers
Document List Optional. One or more name/value pairs to add to the header of the request sent to the provider.
If the provider requires a request header, you must provide a value.
queryString Parameters
Document List Optional. One or more name/value pairs to add to the URL of the get request sent to the provider.
bodyParameters
Document List Optional. One or more name/value pairs to add to the body of the request sent to the provider.
requestDataType
String Optional. If supplying data with the request to the provider, indicates the data type of the requestData parameter. If set to:
*bytes, requestData must be a byte[]. This is the default.
*string, requestData must be a java.lang.String.
requestData
Object Optional. Data to include in the body of the request sent to the provider. The value can be a string or a byte[].
The data type of requestData must match what is specified by the requestDataType parameter. requestData is ignored if bodyParameters is specified.
responseDataType
String Optional. Indicates the data type of the responseData output parameter. Set to:
*stream to return the responseData as a java.io.InputStream. This is the default.
*bytes to return the responseData as a byte[].
*string to return the responseData as a java.lang.String, constructed using the default platform encoding (indicated by the file.encoding Java system property, or UTF-8 if file.encoding is not set).
Output Parameters
responseData
Object The response from the provider. If the responseDataType is set to:
*stream, responseData is a java.io.InputStream.
*bytes, responseData is a byte[].
*string, responseData is a java.lang.String, constructed using the default platform encoding (indicated by the file.encoding Java system property, or UTF-8 if file.encoding is not set).
Usage Notes
*Since the values for the clientSecret, accessToken, and accessTokenSecret parameters contain sensitive data, you might want to consider storing their values in the Integration Server outbound password store. For information about services you can use to store these values in the outbound password store, see the pub.security.outboundPasswords in the About the Security Elements folder.
If you decide to use the outbound password store, the value for each parameter (clientSecret, accessToken, and accessTokenSecret) must match the key you supplied in the pub.security.outboundPasswords services. Integration Server uses that key to retrieve the values from the store, then uses the values to send the request to the provider.
If you decide not to use the outbound password store, Integration Server sends the request to the provider using the values you supply with the clientSecret, accessToken, and accessTokenSecret parameters.
*You can use this service to connect to OAuth providers other than Integration Server by setting the provider parameter to Other and the providerClass parameter to the name of an org.scribe.builder.api.Api implementation. The org.scribe.builder.api.Api interface is defined in the Scribe open source API. For this approach, Software AG recommends the following:
*That you download the Scribe API source code from the GitHub website. You can either browse the code or generate the Javadoc for the Scribe classes using the following command:
javadoc -sourcepath your_scribe_install_dir/src/main/java -d your_destination_dir org.scribe.builder.api
*That you check the Scribe OAuth library to see if an implementation for the provider that you want to use already exists. Scribe provides client implementation for many providers.
Important: If an implementation already exists but the provider has changed its interface and the implementation in the Scribe library no longer works, you can either modify the implementation yourself or request an update from the author of Scribe.
*If your provider supports OAuth 2.0, then extend org.scribe.builder.api.DefaultApi20. If your provider supports OAuth 1.0a, then extend org.scribe.builder.api.DefaultApi10a.
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