package com.github.scribejava.core.builder.api;
import com.github.scribejava.core.extractors.OAuth2AccessTokenJsonExtractor;
import com.github.scribejava.core.extractors.TokenExtractor;
import com.github.scribejava.core.model.OAuth2AccessToken;
import com.github.scribejava.core.model.OAuthConfig;
import com.github.scribejava.core.model.OAuthConstants;
import com.github.scribejava.core.model.ParameterList;
import com.github.scribejava.core.model.Verb;
import com.github.scribejava.core.oauth.OAuth20Service;
import java.util.Map;
/**
* Default implementation of the OAuth protocol, version 2.0
*
* This class is meant to be extended by concrete implementations of the API, providing the endpoints and
* endpoint-http-verbs.
*
* If your API adheres to the 2.0 protocol correctly, you just need to extend this class and define the getters for your
* endpoints.
*
* If your API does something a bit different, you can override the different extractors or services, in order to
* fine-tune the process. Please read the javadocs of the interfaces to get an idea of what to do.
*
*/
public abstract class DefaultApi20 implements BaseApi<OAuth20Service> {
/**
* Returns the access token extractor.
*
* @return access token extractor
*/
public TokenExtractor<OAuth2AccessToken> getAccessTokenExtractor() {
return OAuth2AccessTokenJsonExtractor.instance();
}
/**
* Returns the verb for the access token endpoint (defaults to POST)
*
* @return access token endpoint verb
*/
public Verb getAccessTokenVerb() {
return Verb.POST;
}
/**
* Returns the URL that receives the access token requests.
*
* @return access token URL
*/
public abstract String getAccessTokenEndpoint();
public String getRefreshTokenEndpoint() {
return getAccessTokenEndpoint();
}
protected abstract String getAuthorizationBaseUrl();
/**
* Returns the URL where you should redirect your users to authenticate your application.
*
* @param config OAuth 2.0 configuration param object
* @param additionalParams any additional GET params to add to the URL
* @return the URL where you should redirect your users
*/
public String getAuthorizationUrl(OAuthConfig config, Map<String, String> additionalParams) {
final ParameterList parameters = new ParameterList(additionalParams);
parameters.add(OAuthConstants.RESPONSE_TYPE, config.getResponseType());
parameters.add(OAuthConstants.CLIENT_ID, config.getApiKey());
final String callback = config.getCallback();
if (callback != null) {
parameters.add(OAuthConstants.REDIRECT_URI, callback);
}
final String scope = config.getScope();
if (scope != null) {
parameters.add(OAuthConstants.SCOPE, scope);
}
final String state = config.getState();
if (state != null) {
parameters.add(OAuthConstants.STATE, state);
}
return parameters.appendTo(getAuthorizationBaseUrl());
}
@Override
public OAuth20Service createService(OAuthConfig config) {
return new OAuth20Service(this, config);
}
public OAuth2SignatureType getSignatureType() {
return OAuth2SignatureType.BEARER_AUTHORIZATION_REQUEST_HEADER_FIELD;
}
}