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com.covisint.platform.oauth.client.token.TokenClientImpl Maven / Gradle / Ivy
/*
* Copyright 2015 Covisint
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.covisint.platform.oauth.client.token;
import static com.covisint.platform.oauth.core.Constants.CERTIFICATE;
import static com.covisint.platform.oauth.core.Constants.CLIENT_ID;
import static com.covisint.platform.oauth.core.Constants.GRANT_TYPE;
import static com.covisint.platform.oauth.core.Constants.PUBLIC_KEY;
import static com.covisint.platform.oauth.core.Constants.X509_REQUEST_ATTRIBUTE_NAME;
import static com.covisint.platform.oauth.core.SupportedMediaType.TOKEN_MT;
import java.nio.charset.Charset;
import java.text.MessageFormat;
import java.util.List;
import org.apache.commons.codec.binary.Base64;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.protocol.HttpContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.covisint.core.http.service.client.BaseResourceClient;
import com.covisint.core.http.service.client.ClientException;
import com.covisint.core.http.service.core.Page;
import com.covisint.core.http.service.core.ServiceException;
import com.covisint.core.http.service.core.SortCriteria;
import com.covisint.core.support.constraint.Nonnull;
import com.covisint.core.support.constraint.NotEmpty;
import com.covisint.core.support.constraint.Nullable;
import com.covisint.core.support.primitive.StringSupport;
import com.covisint.platform.oauth.core.token.Token;
import com.damnhandy.uri.template.UriTemplate;
import com.damnhandy.uri.template.VariableExpansionException;
import com.google.common.base.Charsets;
import com.google.common.collect.Multimap;
import com.google.common.net.MediaType;
import com.google.common.util.concurrent.CheckedFuture;
/** Client for reading and updating information about token. */
public class TokenClientImpl extends BaseResourceClient implements TokenClient {
/** Application id header name. */
private static final String APPLICATION_ID_HEADER = "application-id";
/** Media type for the client secret grant type resource. */
private static final MediaType TOKEN_V1_MEDIA_TYPE = MediaType.parse(TOKEN_MT.value());;
/** UTF encoding. */
private static final Charset UTF8 = Charsets.UTF_8;
/** basic. */
private static final String BASIC = "Basic ";
/** Authorization header key. */
private static final String AUTHORIZATION = "Authorization";
/** Class logger. */
private final Logger log = LoggerFactory.getLogger(TokenClientImpl.class);
/** Collection URI template for the get token end point. */
private UriTemplate getTokenUriTemplate;
/** Collection URI template for the get token end point. */
private UriTemplate postTokenUriTemplate;
/** The id of the application that will need to authorize calls with these tokens. */
private String appId;
/**
* Sets the URI template for the get token end point.
*
* @param uriTemplate The URI template for the get token end point.
*/
public void setGetTokenUriTemplate(UriTemplate uriTemplate) {
getTokenUriTemplate = uriTemplate;
}
/**
* Sets the URI template for the post token end point.
*
* @param uriTemplate The URI template for the post token end point.
*/
public void setPostTokenUriTemplate(UriTemplate uriTemplate) {
postTokenUriTemplate = uriTemplate;
}
/**
* Sets the id of the application that will need to authorize calls with these tokens.
*
* @param newAppId The application id to set.
*/
public void setApplicationId(@Nonnull @NotEmpty String newAppId) {
appId = newAppId;
}
/**
* create authorization string.
*
* @param clientId the client id.
* @param clientSecret the client secret.
* @return authorization string.
*/
@Nonnull @NotEmpty private String getAuthorization(@Nonnull @NotEmpty String clientId,
@Nonnull @NotEmpty String clientSecret) {
String credentials = MessageFormat.format("{0}:{1}", clientId, clientSecret);
byte[] autorizationBytes = credentials.getBytes(UTF8);
String authorization = BASIC.concat(new String(Base64.encodeBase64(autorizationBytes), UTF8));
return authorization;
}
/** {@inheritDoc} */
@Nonnull public CheckedFuture getToken(@Nonnull @NotEmpty String clientId,
String clientSecret, @Nonnull HttpContext httpContext) {
return postAccessToken(clientId, clientSecret, httpContext);
}
/** {@inheritDoc} */
@Nonnull public CheckedFuture postAccessToken(@Nonnull @NotEmpty String clientId,
@Nonnull @NotEmpty String clientSecret, @Nonnull HttpContext httpContext) {
try {
final String url = postTokenUriTemplate.expand();
HttpPost post = new HttpPost(url);
post.setHeader(AUTHORIZATION, getAuthorization(clientId, clientSecret));
post.setHeader(GRANT_TYPE, "client_credentials");
if (StringSupport.trimOrNull(appId) != null) {
post.setHeader(APPLICATION_ID_HEADER, appId);
}
return execute(post, TOKEN_V1_MEDIA_TYPE, httpContext);
} catch (final VariableExpansionException e) {
log.error("Error occurred while expanding URL template.", e);
throw new ClientException("Error occurred while expanding URL template.");
}
}
/** {@inheritDoc} */
@Nonnull public CheckedFuture getToken(@Nonnull @NotEmpty String clientId,
@Nullable String certificate, @Nullable String publickey, @Nullable String x509RequestAttributeName,
@Nonnull HttpContext httpContext) {
try {
final String url = getTokenUriTemplate.expand();
HttpGet get = new HttpGet(url);
get.setHeader(CLIENT_ID, clientId);
get.setHeader(CERTIFICATE, certificate);
get.setHeader(PUBLIC_KEY, publickey);
get.setHeader(X509_REQUEST_ATTRIBUTE_NAME, x509RequestAttributeName);
get.setHeader(GRANT_TYPE, "certificate");
return execute(get, TOKEN_V1_MEDIA_TYPE, httpContext);
} catch (final VariableExpansionException e) {
log.error("Error occurred while expanding URL template.", e);
throw new ClientException("Error occurred while expanding URL template.");
}
}
/** {@inheritDoc} */
@Nonnull public CheckedFuture postAccessToken(@Nonnull @NotEmpty String clientId,
@Nullable String certificate, @Nullable String publickey, @Nullable String x509RequestAttributeName,
@Nonnull HttpContext httpContext) {
try {
final String url = getTokenUriTemplate.expand();
HttpPost post = new HttpPost(url);
post.setHeader(CLIENT_ID, clientId);
post.setHeader(CERTIFICATE, certificate);
post.setHeader(PUBLIC_KEY, publickey);
post.setHeader(X509_REQUEST_ATTRIBUTE_NAME, x509RequestAttributeName);
post.setHeader(GRANT_TYPE, "certificate");
return execute(post, TOKEN_V1_MEDIA_TYPE, httpContext);
} catch (final VariableExpansionException e) {
log.error("Error occurred while expanding URL template.", e);
throw new ClientException("Error occurred while expanding URL template.");
}
}
/** {@inheritDoc} */
public CheckedFuture add(Token resource, HttpContext httpContext) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public CheckedFuture delete(String id, HttpContext httpContext) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public CheckedFuture get(String id, HttpContext httpContext) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public CheckedFuture get(Token resource, HttpContext httpContext) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public CheckedFuture persist(Token resource, HttpContext httpContext) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public CheckedFuture, ServiceException> search(Multimap searchCriteria,
SortCriteria sortCriteria, Page page, HttpContext httpContext) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
public CheckedFuture, ServiceException> search(Multimap searchCriteria,
SortCriteria sortCriteria, Page page, HttpContext httpContext, MediaType mediaType,
String searchResourcesEndPoint) {
throw new UnsupportedOperationException();
}
}