org.apache.shindig.gadgets.render.SanitizingProxyUriManager.java Source code

Introduction

Here is the source code for org.apache.shindig.gadgets.render.SanitizingProxyUriManager.java

Source

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.shindig.gadgets.render;

import org.apache.shindig.common.uri.Uri;
import org.apache.shindig.common.uri.UriBuilder;
import org.apache.shindig.gadgets.GadgetException;
import org.apache.shindig.gadgets.uri.ProxyUriManager;
import org.apache.shindig.gadgets.uri.UriCommon.Param;

import com.google.common.collect.Lists;

import java.util.List;

/**
 * Forcible rewrite the link through the proxy and force sanitization with
 * an expected mime type.
 *
 * @since 2.0.0
 */
public class SanitizingProxyUriManager implements ProxyUriManager {
    private final ProxyUriManager wrapped;
    private final String expectedMime;

    public SanitizingProxyUriManager(ProxyUriManager wrapped, String expectedMime) {
        this.wrapped = wrapped;
        this.expectedMime = expectedMime;
    }

    public ProxyUri process(Uri uri) throws GadgetException {
        return wrapped.process(uri);
    }

    public List<Uri> make(List<ProxyUri> ctx, Integer forcedRefresh) {
        // Just wraps the original ProxyUriManager and adds a few query params.
        List<Uri> origUris = wrapped.make(ctx, forcedRefresh);
        List<Uri> sanitizedUris = Lists.newArrayListWithCapacity(origUris.size());

        for (Uri origUri : origUris) {
            UriBuilder newUri = new UriBuilder(origUri);
            newUri.addQueryParameter(Param.SANITIZE.getKey(), "1");
            if (expectedMime != null) {
                newUri.addQueryParameter(Param.REWRITE_MIME_TYPE.getKey(), expectedMime);
            }
            sanitizedUris.add(newUri.toUri());
        }

        return sanitizedUris;
    }
}