com.paypal.base.util

Class OAuthSignature

java.lang.Object

com.paypal.base.util.OAuthSignature

public class OAuthSignature
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	OAuthSignature.HTTPMethod

Field Summary

Fields

Modifier and Type	Field and Description
static String	OAUTH_VERSION

Constructor Summary

Constructors

Constructor and Description
OAuthSignature(String consumerKey, String consumerSecret) Default Constructor

Method Summary

Methods

Modifier and Type	Method and Description
void	addParameter(String name, String value) Adds Parameter.
String	computeV1Signature() Computes OAuth Signature as per OAuth specification using signature Method.
static Map	getAuthHeader(String apiUserName, String apiPassword, String accessToken, String tokenSecret, OAuthSignature.HTTPMethod httpMethod, String scriptURI, Map queryParams) Accepts the required parameters and Provides OAuth signature and TimeStamp.
static String	getFullAuthString(String apiUserName, String apiPassword, String accessToken, String tokenSecret, OAuthSignature.HTTPMethod httpMethod, String scriptURI, Map queryParams) Computes the value of the X_PP_AUTHORIZATION header
void	setHTTPMethod(OAuthSignature.HTTPMethod method) Sets HTTP Method
void	setRequestURI(String uri) Sets URI for signature computation.
void	setToken(String token) Sets Token to be used to generate signature.
void	setTokenSecret(String secret) Sets Token secret as received in Token response.
void	setTokenTimestamp(String timestamp) Sets time stamp for signature computation.
boolean	verifyV1Signature(String signature) verifyV1Signature verifies signature against computed signature.

Methods inherited from class java.lang.Object

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

Field Detail

OAUTH_VERSION

public static final String OAUTH_VERSION

See Also:

Constant Field Values

Constructor Detail

OAuthSignature

public OAuthSignature(String consumerKey,
              String consumerSecret)

Default Constructor

Parameters:

consumerKey - - Consumer key shared between PayPal and Consumer (OAuth consumer)

consumerSecret - - Secret shared between PayPal and Consumer (OAuth consumer)

Method Detail

setToken

public void setToken(String token)

Sets Token to be used to generate signature.

Parameters:

token - - String version of Token. The token could be Access or Request

addParameter

public void addParameter(String name,
                String value)

Adds Parameter. Parameter could be part of URL, POST data.

Parameters:

name - parameter name with no URL encoding applied

value - parameter value with no URL encoding applied

setTokenSecret

public void setTokenSecret(String secret)

Sets Token secret as received in Token response.

Parameters:

secret - byte array of token secret

setRequestURI

public void setRequestURI(String uri)
                   throws OAuthException

Sets URI for signature computation.

Parameters:

uri - - Script URI which will be normalized to scheme://authority:port/path if not normalized already.

Throws:

OAuthException

setTokenTimestamp

public void setTokenTimestamp(String timestamp)

Sets time stamp for signature computation.

Parameters:

timestamp - - time stamp at which Token request sends.

setHTTPMethod

public void setHTTPMethod(OAuthSignature.HTTPMethod method)

Sets HTTP Method

Parameters:

method - HTTP method used for sending OAuth request

computeV1Signature

public String computeV1Signature()
                          throws OAuthException

Computes OAuth Signature as per OAuth specification using signature Method. using the specified encoding scheme enc.

Returns:

the Base64 encoded string.

Throws:

OAuthException - if invalid arguments.

verifyV1Signature

public boolean verifyV1Signature(String signature)
                          throws OAuthException

verifyV1Signature verifies signature against computed signature.

Returns:

true if signature verified otherwise false

Throws:

OAuthException - in case there are any failures in signature computation.

getAuthHeader

public static Map getAuthHeader(String apiUserName,
                String apiPassword,
                String accessToken,
                String tokenSecret,
                OAuthSignature.HTTPMethod httpMethod,
                String scriptURI,
                Map queryParams)
                         throws OAuthException

Accepts the required parameters and Provides OAuth signature and TimeStamp.

Parameters:

apiUserName - API User name.

apiPassword - API Password of user.

accessToken - Obtained during Permission Request of token.

tokenSecret - Obtained during Permission Request of token.

httpMethod - HTTP Method (GET,POST etc.)

scriptURI - API Server End Point.

queryParams - Extra 'name/value' parameters if required.

Returns:

Map of HTTPHeaders

Throws:

OAuthException

getFullAuthString

public static String getFullAuthString(String apiUserName,
                       String apiPassword,
                       String accessToken,
                       String tokenSecret,
                       OAuthSignature.HTTPMethod httpMethod,
                       String scriptURI,
                       Map queryParams)
                                throws OAuthException

Computes the value of the X_PP_AUTHORIZATION header

Parameters:

apiUserName - API User name.

apiPassword - API Password of user.

accessToken - Obtained during Permission Request of token.

tokenSecret - Obtained during Permission Request of token.

httpMethod - HTTP Method (GET,POST etc.)

scriptURI - API Server End Point.

queryParams - Extra 'name/value' parameters if required.

Returns:

Auth String

Throws:

OAuthException