Files
mxids/src/main/java/io/kamax/mxisd/backend/firebase/GoogleFirebaseBackend.java
2019-01-11 23:02:57 +01:00

91 lines
2.9 KiB
Java

/*
* mxisd - Matrix Identity Server Daemon
* Copyright (C) 2017 Kamax Sarl
*
* https://www.kamax.io/
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package io.kamax.mxisd.backend.firebase;
import com.google.firebase.FirebaseApp;
import com.google.firebase.FirebaseOptions;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseCredential;
import com.google.firebase.auth.FirebaseCredentials;
import com.google.firebase.database.FirebaseDatabase;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.FileInputStream;
import java.io.IOException;
public class GoogleFirebaseBackend {
private transient final Logger log = LoggerFactory.getLogger(GoogleFirebaseBackend.class);
private boolean isEnabled;
private FirebaseAuth fbAuth;
protected FirebaseDatabase fbDb;
GoogleFirebaseBackend(boolean isEnabled, String name, String credsPath, String db) {
this.isEnabled = isEnabled;
if (!isEnabled) {
return;
}
try {
FirebaseApp fbApp = FirebaseApp.initializeApp(getOpts(credsPath, db), name);
fbAuth = FirebaseAuth.getInstance(fbApp);
FirebaseDatabase.getInstance(fbApp);
log.info("Google Firebase Authentication is ready");
} catch (IOException e) {
throw new RuntimeException("Error when initializing Firebase", e);
}
}
private FirebaseCredential getCreds(String credsPath) throws IOException {
if (StringUtils.isNotBlank(credsPath)) {
try (FileInputStream is = new FileInputStream(credsPath)) {
return FirebaseCredentials.fromCertificate(is);
}
} else {
return FirebaseCredentials.applicationDefault();
}
}
private FirebaseOptions getOpts(String credsPath, String db) throws IOException {
if (StringUtils.isBlank(db)) {
throw new IllegalArgumentException("Firebase database is not configured");
}
return new FirebaseOptions.Builder()
.setCredential(getCreds(credsPath))
.setDatabaseUrl(db)
.build();
}
FirebaseAuth getFirebase() {
return fbAuth;
}
public boolean isEnabled() {
return isEnabled;
}
}