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