org.brickred.socialauth.util

Class OAuthConsumer

java.lang.Object

org.brickred.socialauth.util.OAuthConsumer

All Implemented Interfaces:

Serializable, Constants

public class OAuthConsumer
extends Object
implements Serializable, Constants

It contains various method those are required for OAUTH

Author:

tarunn@brickred.com

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.brickred.socialauth.util.Constants

ACCESS_TOKEN_PARAMETER_NAME, AMAZON, API_URL, CONTENT_ENCODING_HEADER, CURRENT_VERSION, ENCODING, EXPIRES, FACEBOOK, FLICKR, FOURSQUARE, GITHUB, GOOGLE, GOOGLE_PLUS, GZIP_CONTENT_ENCODING, HMACSHA1_SIGNATURE, HOTMAIL, HTTP_CONNECTION_TIMEOUT, INSTAGRAM, LINKEDIN, LINKEDINOAUTH2, MENDELEY, MYSPACE, NIMBLE, OAUTH_ACCESS_TOKEN_URL, OAUTH_AUTHORIZATION_URL, OAUTH_CALLBACK, OAUTH_CALLBACK_CONFIRMED, OAUTH_CONSUMER_KEY, OAUTH_NONCE, OAUTH_PROBLEM, OAUTH_REQUEST_TOKEN_URL, OAUTH_SIGNATURE, OAUTH_SIGNATURE_METHOD, OAUTH_TIMESTAMP, OAUTH_TOKEN, OAUTH_TOKEN_SECRET, OAUTH_VERIFIER, OAUTH_VERSION, OOB, OPENID, PREFIX, PROXY_HOST, PROXY_PORT, REFRESH_TOKEN_URL, RUNKEEPER, SALESFORCE, STACK_EXCHANGE, STATE, TWITTER, YAHOO, YAMMER

Constructor Summary

Constructors

Constructor and Description
OAuthConsumer(OAuthConfig config)

Method Summary

Modifier and Type	Method and Description
StringBuilder	buildAuthUrl(String authUrl, AccessGrant token, String callbackUrl) Builds the auth url to redirect the user to, based from the given token and callback url.
String	generateSignature(String signatureType, String method, String url, Map<String,String> args, AccessGrant token) It returns a signature for signing OAuth request.
AccessGrant	getAccessToken(String accessTokenURL, AccessGrant reqToken) It obtains the access token.
String	getAuthHeaderValue(Map<String,String> params) Generates Authorization header.
OAuthConfig	getConfig()
AccessGrant	getRequestToken(String reqTokenURL, String callbackURL) It obtains the request token.
Response	httpGet(String reqURL, Map<String,String> headerParams, AccessGrant token) Does an HTTP GET request.
Response	httpPost(String reqURL, Map<String,String> params, Map<String,String> headerParams, String body, AccessGrant token) Does an HTTP POST request.
Response	httpPut(String reqURL, Map<String,String> params, Map<String,String> headerParams, String body, AccessGrant token) Does an HTTP PUT request.
Response	httpPut(String reqURL, Map<String,String> params, Map<String,String> headerParams, String body, AccessGrant token, boolean isHeaderRequired) Does an HTTP PUT request.
void	putNonceAndTimestamp(Map<String,String> params) Adds nonce and timestamp in given parameter map.
Response	uploadImage(String reqURL, Map<String,String> paramsMap, Map<String,String> headerParams, InputStream inputStream, String fileParamName, String fileName, String methodName, AccessGrant token, boolean isHeaderRequired)

Methods inherited from class java.lang.Object

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

Constructor Detail

OAuthConsumer

public OAuthConsumer(OAuthConfig config)

Parameters:

config - Configuration object which contains information of application configuration

Method Detail

generateSignature

public String generateSignature(String signatureType,
                                String method,
                                String url,
                                Map<String,String> args,
                                AccessGrant token)
                         throws Exception

It returns a signature for signing OAuth request. The Signature Base String is a consistent reproducible concatenation of the request elements into a single string. The string is used as an input in hashing or signing algorithms.The request parameters are collected, sorted and concatenated into a normalized string.

Parameters:

signatureType - Type of signature. It can be HMAC-SHA1.

method - Method type can be GET, POST or PUT

url - Requested URL for which generating signature

args - Required arguments to generate signature

token - Token Object

Returns:

The computed signature

Throws:

Exception

getRequestToken

public AccessGrant getRequestToken(String reqTokenURL,
                                   String callbackURL)
                            throws Exception

It obtains the request token. The Request Token is a temporary token used to initiate User authorization.

Parameters:

reqTokenURL - Request Token URL

callbackURL - Callback URL

Returns:

The request token

Throws:

Exception

getAccessToken

public AccessGrant getAccessToken(String accessTokenURL,
                                  AccessGrant reqToken)
                           throws Exception

It obtains the access token. The Consumer exchanges the Request Token for an Access Token capable of accessing the Protected Resources.

Parameters:

accessTokenURL - Access Token URL

reqToken - Request Token

Returns:

The Access Token

Throws:

Exception

httpGet

public Response httpGet(String reqURL,
                        Map<String,String> headerParams,
                        AccessGrant token)
                 throws Exception

Does an HTTP GET request.

Parameters:

reqURL - URL to send request to.

headerParams - Header Parameters

token - Token to pass in GET request

Returns:

Response object

Throws:

Exception

httpPost

public Response httpPost(String reqURL,
                         Map<String,String> params,
                         Map<String,String> headerParams,
                         String body,
                         AccessGrant token)
                  throws Exception

Does an HTTP POST request.

Parameters:

reqURL - URL to send request to.

params - Any additional parameters whose signature we want to compute.

headerParams - Header Parameters

body - Request Body

token - Token to pass in POST request

Returns:

Response object

Throws:

Exception

httpPut

public Response httpPut(String reqURL,
                        Map<String,String> params,
                        Map<String,String> headerParams,
                        String body,
                        AccessGrant token)
                 throws Exception

Does an HTTP PUT request.

Parameters:

reqURL - URL to send request to.

params - Any additional parameters whose signature we want to compute

headerParams - Header Parameters

body - Request Body

token - Token to pass in PUT request

Returns:

Response object

Throws:

Exception

httpPut

public Response httpPut(String reqURL,
                        Map<String,String> params,
                        Map<String,String> headerParams,
                        String body,
                        AccessGrant token,
                        boolean isHeaderRequired)
                 throws Exception

Does an HTTP PUT request.

Parameters:

reqURL - URL to send request to.

params - Any additional parameters whose signature we want to compute

headerParams - Header Parameters

body - Request Body

token - Token to pass in PUT request

isHeaderRequired - True if header is required

Returns:

Response object

Throws:

Exception

putNonceAndTimestamp

public void putNonceAndTimestamp(Map<String,String> params)

Adds nonce and timestamp in given parameter map.

Parameters:

params -

buildAuthUrl

public StringBuilder buildAuthUrl(String authUrl,
                                  AccessGrant token,
                                  String callbackUrl)
                           throws Exception

Builds the auth url to redirect the user to, based from the given token and callback url.

Parameters:

authUrl -

token -

callbackUrl - Callback URL

Returns:

url with query string of parameters

Throws:

Exception

getAuthHeaderValue

public String getAuthHeaderValue(Map<String,String> params)
                          throws Exception

Generates Authorization header. The OAuth Protocol Parameters are sent in the Authorization header. Parameter names and values are encoded. For each parameter, the name is immediately followed by an '=' character (ASCII code 61), a '"' character (ASCII code 34), the parameter value (MAY be empty), and another '"' character (ASCII code 34).Parameters are separated by a comma character (ASCII code 44).

Parameters:

params - Parameters to generate header value

Returns:

Authorize header value

Throws:

Exception

getConfig

public OAuthConfig getConfig()

uploadImage

public Response uploadImage(String reqURL,
                            Map<String,String> paramsMap,
                            Map<String,String> headerParams,
                            InputStream inputStream,
                            String fileParamName,
                            String fileName,
                            String methodName,
                            AccessGrant token,
                            boolean isHeaderRequired)
                     throws Exception

Parameters:

reqURL - URL to send request to.

paramsMap - Any additional parameters whose signature we want to compute.

headerParams - Header Parameters

inputStream - Input Stream of image

fileParamName - Image Filename parameter. It requires in some provider.

fileName - Image file name

methodName - Method type

token - Token to pass in PUT request

isHeaderRequired - True if header is required

Returns:

Response Object

Throws:

Exception