com.predic8.membrane.core.interceptor.oauth2.OAuth2Util Maven / Gradle / Ivy
/*
* Copyright 2016 predic8 GmbH, www.predic8.com
* 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.predic8.membrane.core.interceptor.oauth2;
import com.fasterxml.jackson.core.JsonGenerator;
import com.predic8.membrane.core.exchange.Exchange;
import com.predic8.membrane.core.http.HeaderField;
import com.predic8.membrane.core.http.Message;
import com.predic8.membrane.core.http.MimeType;
import com.predic8.membrane.core.http.Response;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.regex.Pattern;
public class OAuth2Util {
public static String urlencode(String value) throws UnsupportedEncodingException {
return URLEncoder.encode(value, "UTF-8").replaceAll("\\+", "%20");
}
public static String urldecode(String value) throws UnsupportedEncodingException {
return URLDecoder.decode(value, "UTF-8").replaceAll("\\+", "%20");
}
private static void removeDuplicateSessionValues(HeaderField header) {
HashMap uniqueValues = new HashMap();
String[] values = header.getValue().split(Pattern.quote(";"));
for(String value : values){
String[] temp = value.split(Pattern.quote("="));
if(!uniqueValues.containsKey(temp[0]))
uniqueValues.put(temp[0].trim(), createSessionValue(temp));
}
header.setValue(buildSessionHeaderValue(uniqueValues));
}
private static String buildSessionHeaderValue(HashMap uniqueValues) {
StringBuilder builder = new StringBuilder();
for(String key : uniqueValues.keySet())
builder.append(";").append(key).append("=").append(uniqueValues.get(key));
builder.deleteCharAt(0);
return builder.toString();
}
private static String createSessionValue(String[] temp) {
String param = "";
for(int i = 1; i < temp.length;i++)
param += temp[i] + "=";
param = param.substring(0,param.length()-1);
return param.trim();
}
public static Message addSessionHeader(Message msg, HeaderField session) {
msg.getHeader().add(session);
return msg;
}
public static boolean isOpenIdScope(String scope) {
if (scope != null && !scope.isEmpty() && scope.contains("openid")) {
String[] split = scope.split(" ");
for (String singleScope : split)
if (singleScope.equals("openid"))
return true;
}
return false;
}
public static boolean isAbsoluteUri(String uri) {
return uri.contains("://");
}
public static Response createParameterizedJsonErrorResponse(Exchange exc, ReusableJsonGenerator jsonGen, String... params) throws IOException {
if (params.length % 2 != 0)
throw new IllegalArgumentException("The number of strings passed as params is not even");
String json;
synchronized (jsonGen) {
JsonGenerator gen = jsonGen.resetAndGet();
gen.writeStartObject();
for (int i = 0; i < params.length; i += 2)
gen.writeObjectField(params[i], params[i + 1]);
gen.writeEndObject();
json = jsonGen.getJson();
}
return Response.badRequest()
.body(json)
.contentType(MimeType.APPLICATION_JSON_UTF8)
.dontCache()
.build();
}
}