org.imsglobal.lti.launch

Class LtiOauthVerifier

java.lang.Object

org.imsglobal.lti.launch.LtiOauthVerifier

All Implemented Interfaces:

LtiVerifier

public class LtiOauthVerifier
extends Object
implements LtiVerifier

This class verifies LTI launches according to the Oauth 1.0 spec

Since:

1.1

Author:

Paul Gray

Field Summary

Fields

Modifier and Type	Field and Description
static String	OAUTH_KEY_PARAMETER

Constructor Summary

Constructors

Constructor and Description
LtiOauthVerifier()

Method Summary

Modifier and Type	Method and Description
LtiVerificationResult	verify(javax.servlet.http.HttpServletRequest request, String secret) This method verifies the signed HttpServletRequest
LtiVerificationResult	verifyParameters(Map<String,String> parameters, String url, String method, String secret) This method will verify a collection of parameters

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

OAUTH_KEY_PARAMETER

public static final String OAUTH_KEY_PARAMETER

See Also:

Constant Field Values

Constructor Detail

LtiOauthVerifier

public LtiOauthVerifier()

Method Detail

verify

public LtiVerificationResult verify(javax.servlet.http.HttpServletRequest request,
                                    String secret)
                             throws LtiVerificationException

This method verifies the signed HttpServletRequest

Specified by:

verify in interface LtiVerifier

Parameters:

request - the HttpServletRequest that will be verified

secret - the secret to verify the properties with

Returns:

the result of the verification, along with contextual information

Throws:

LtiVerificationException

verifyParameters

public LtiVerificationResult verifyParameters(Map<String,String> parameters,
                                              String url,
                                              String method,
                                              String secret)
                                       throws LtiVerificationException

This method will verify a collection of parameters

Specified by:

verifyParameters in interface LtiVerifier

Parameters:

parameters - the parameters that will be verified. mapped by key & value

url - the url this request was made at

method - the method this url was requested with

secret - the secret to verify the propertihes with

Returns:

Throws:

LtiVerificationException