/**
* 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.waveprotocol.box.server.robots.operations;
import com.google.inject.Inject;
import com.google.inject.name.Named;
import com.google.wave.api.ParticipantProfile;
import org.apache.commons.codec.digest.DigestUtils;
import org.waveprotocol.box.server.CoreSettings;
import org.waveprotocol.box.server.robots.operations.FetchProfilesService.ProfilesFetcher;
/**
* A {@link ProfilesFetcher} implementation that assigns a Gravatar identicon
* image URL for the user avatar. Users can change the avatar image by going to
* gravatar.com and adding their wave address to the main profile. It is
* impossible to create a main profile with wave address since gravatar requires
* email address verification.
*
* @author yurize@apache.org (Yuri Zelikov)
*/
public class GravatarProfilesFetcher implements ProfilesFetcher {
private final String SECURE_GRAVATAR_URL = "https://secure.gravatar.com/avatar/";
private final String NON_SECURE_GRAVATAR_URL = "http://gravatar.com/avatar/";
private final String gravatarUrl;
@Inject
public GravatarProfilesFetcher(@Named(CoreSettings.ENABLE_SSL) boolean enableSsl) {
if (enableSsl) {
gravatarUrl = SECURE_GRAVATAR_URL;
} else {
gravatarUrl = NON_SECURE_GRAVATAR_URL;
}
}
/**
* Returns the Gravatar identicon URL for the given email address.
*/
public String getImageUrl(String email) {
// Hexadecimal MD5 hash of the requested user's lowercased email address
// with all whitespace trimmed.
String emailHash = DigestUtils.md5Hex(email.toLowerCase().trim());
return gravatarUrl + emailHash + ".jpg?s=100&d=identicon";
}
@Override
public ParticipantProfile fetchProfile(String email) {
ParticipantProfile pTemp = null;
pTemp = ProfilesFetcher.SIMPLE_PROFILES_FETCHER.fetchProfile(email);
ParticipantProfile profile =
new ParticipantProfile(email, pTemp.getName(), getImageUrl(email), pTemp.getProfileUrl());
return profile;
}
}