Java tutorial
/* * mxisd - Matrix Identity Server Daemon * Copyright (C) 2017 Maxime Dor * * https://max.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.sql; import io.kamax.matrix.MatrixID; import io.kamax.matrix.ThreePid; import io.kamax.matrix._MatrixID; import io.kamax.matrix._ThreePid; import io.kamax.mxisd.config.MatrixConfig; import io.kamax.mxisd.config.sql.SqlConfig; import io.kamax.mxisd.lookup.SingleLookupReply; import io.kamax.mxisd.lookup.SingleLookupRequest; import io.kamax.mxisd.lookup.ThreePidMapping; import io.kamax.mxisd.lookup.provider.IThreePidProvider; import io.kamax.mxisd.profile.ProfileProvider; import org.apache.commons.lang.StringUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.util.ArrayList; import java.util.Collections; import java.util.List; import java.util.Optional; public abstract class SqlThreePidProvider implements IThreePidProvider, ProfileProvider { private Logger log = LoggerFactory.getLogger(SqlThreePidProvider.class); private SqlConfig cfg; private MatrixConfig mxCfg; private SqlConnectionPool pool; public SqlThreePidProvider(SqlConfig cfg, MatrixConfig mxCfg) { this.cfg = cfg; this.pool = new SqlConnectionPool(cfg); this.mxCfg = mxCfg; } @Override public boolean isEnabled() { return cfg.isEnabled(); } @Override public boolean isLocal() { return true; } @Override public int getPriority() { return 20; } @Override public Optional<SingleLookupReply> find(SingleLookupRequest request) { log.info("SQL lookup"); String stmtSql = StringUtils.defaultIfBlank(cfg.getIdentity().getMedium().get(request.getType()), cfg.getIdentity().getQuery()); log.info("SQL query: {}", stmtSql); try (Connection conn = pool.get()) { try (PreparedStatement stmt = conn.prepareStatement(stmtSql)) { stmt.setString(1, request.getType().toLowerCase()); stmt.setString(2, request.getThreePid().toLowerCase()); try (ResultSet rSet = stmt.executeQuery()) { while (rSet.next()) { String uid = rSet.getString("uid"); log.info("Found match: {}", uid); if (StringUtils.equals("uid", cfg.getIdentity().getType())) { log.info("Resolving as localpart"); return Optional .of(new SingleLookupReply(request, new MatrixID(uid, mxCfg.getDomain()))); } if (StringUtils.equals("mxid", cfg.getIdentity().getType())) { log.info("Resolving as MXID"); return Optional.of(new SingleLookupReply(request, new MatrixID(uid))); } log.info("Identity type is unknown, skipping"); } log.info("No match found in SQL"); return Optional.empty(); } } } catch (SQLException e) { throw new RuntimeException(e); } } @Override public List<ThreePidMapping> populate(List<ThreePidMapping> mappings) { return new ArrayList<>(); } @Override public List<_ThreePid> getThreepids(_MatrixID mxid) { List<_ThreePid> threepids = new ArrayList<>(); String stmtSql = cfg.getProfile().getThreepid().getQuery(); try (Connection conn = pool.get()) { PreparedStatement stmt = conn.prepareStatement(stmtSql); stmt.setString(1, mxid.getId()); ResultSet rSet = stmt.executeQuery(); while (rSet.next()) { String medium = rSet.getString("medium"); String address = rSet.getString("address"); threepids.add(new ThreePid(medium, address)); } return threepids; } catch (SQLException e) { throw new RuntimeException(e); } } @Override public List<String> getRoles(_MatrixID mxid) { return Collections.emptyList(); } }