Add the postgresql backend for internal storage.

src/main/java/io/kamax/mxisd/Mxisd.java

@@ -27,6 +27,8 @@ import io.kamax.mxisd.auth.AuthProviders;
 import io.kamax.mxisd.backend.IdentityStoreSupplier;
 import io.kamax.mxisd.backend.sql.synapse.Synapse;
 import io.kamax.mxisd.config.MxisdConfig;
+import io.kamax.mxisd.config.PostgresqlStorageConfig;
+import io.kamax.mxisd.config.StorageConfig;
 import io.kamax.mxisd.crypto.CryptoFactory;
 import io.kamax.mxisd.crypto.KeyManager;
 import io.kamax.mxisd.crypto.SignatureManager;
@@ -109,7 +111,20 @@ public class Mxisd {
         IdentityServerUtils.setHttpClient(httpClient);
         srvFetcher = new RemoteIdentityServerFetcher(httpClient);
 
-        store = new OrmLiteSqlStorage(cfg);
+        StorageConfig.BackendEnum storageBackend = cfg.getStorage().getBackend();
+        StorageConfig.Provider storageProvider = cfg.getStorage().getProvider();
+        switch (storageBackend) {
+            case sqlite:
+                store = new OrmLiteSqlStorage(storageBackend, storageProvider.getSqlite().getDatabase());
+                break;
+            case postgresql:
+                PostgresqlStorageConfig postgresql = storageProvider.getPostgresql();
+                store = new OrmLiteSqlStorage(storageBackend, postgresql.getDatabase(), postgresql.getUsername(), postgresql.getPassword());
+                break;
+            default:
+                throw new IllegalStateException("Storage provider hasn't been configured");
+        }
+
         keyMgr = CryptoFactory.getKeyManager(cfg.getKey());
         signMgr = CryptoFactory.getSignatureManager(cfg, keyMgr);
         clientDns = new ClientDnsOverwrite(cfg.getDns().getOverwrite());

src/main/java/io/kamax/mxisd/config/PostgresqlStorageConfig.java

@@ -0,0 +1,54 @@
+/*
+ * 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.config;
+
+public class PostgresqlStorageConfig {
+
+    private String database;
+
+    private String username;
+
+    private String password;
+
+    public String getDatabase() {
+        return database;
+    }
+
+    public void setDatabase(String database) {
+        this.database = database;
+    }
+
+    public String getUsername() {
+        return username;
+    }
+
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+}

src/main/java/io/kamax/mxisd/config/StorageConfig.java

@@ -21,14 +21,21 @@
 package io.kamax.mxisd.config;
 
 import io.kamax.mxisd.exception.ConfigurationException;
-import org.apache.commons.lang.StringUtils;
 
 public class StorageConfig {
 
+    public enum BackendEnum {
+        sqlite,
+
+        postgresql
+    }
+
     public static class Provider {
 
         private SQLiteStorageConfig sqlite = new SQLiteStorageConfig();
 
+        private PostgresqlStorageConfig postgresql = new PostgresqlStorageConfig();
+
         public SQLiteStorageConfig getSqlite() {
             return sqlite;
         }
@@ -37,16 +44,23 @@ public class StorageConfig {
             this.sqlite = sqlite;
         }
 
+        public PostgresqlStorageConfig getPostgresql() {
+            return postgresql;
+        }
+
+        public void setPostgresql(PostgresqlStorageConfig postgresql) {
+            this.postgresql = postgresql;
+        }
     }
 
-    private String backend = "sqlite";
+    private BackendEnum backend = BackendEnum.sqlite; // or postgresql
     private Provider provider = new Provider();
 
-    public String getBackend() {
+    public BackendEnum getBackend() {
         return backend;
     }
 
-    public void setBackend(String backend) {
+    public void setBackend(BackendEnum backend) {
         this.backend = backend;
     }
 
@@ -59,7 +73,7 @@ public class StorageConfig {
     }
 
     public void build() {
-        if (StringUtils.isBlank(getBackend())) {
+        if (getBackend() == null) {
             throw new ConfigurationException("storage.backend");
         }
     }

src/main/java/io/kamax/mxisd/storage/ormlite/OrmLiteSqlStorage.java

@@ -28,8 +28,8 @@ import com.j256.ormlite.stmt.QueryBuilder;
 import com.j256.ormlite.support.ConnectionSource;
 import com.j256.ormlite.table.TableUtils;
 import io.kamax.matrix.ThreePid;
-import io.kamax.mxisd.config.MxisdConfig;
 import io.kamax.mxisd.config.PolicyConfig;
+import io.kamax.mxisd.config.StorageConfig;
 import io.kamax.mxisd.exception.ConfigurationException;
 import io.kamax.mxisd.exception.InternalServerError;
 import io.kamax.mxisd.exception.InvalidCredentialsException;
@@ -92,21 +92,21 @@ public class OrmLiteSqlStorage implements IStorage {
     private Dao<HashDao, String> hashDao;
     private Dao<ChangelogDao, String> changelogDao;
 
-    public OrmLiteSqlStorage(MxisdConfig cfg) {
-        this(cfg.getStorage().getBackend(), cfg.getStorage().getProvider().getSqlite().getDatabase());
+    public OrmLiteSqlStorage(StorageConfig.BackendEnum backend, String path) {
+        this(backend, path, null, null);
     }
 
-    public OrmLiteSqlStorage(String backend, String path) {
-        if (StringUtils.isBlank(backend)) {
+    public OrmLiteSqlStorage(StorageConfig.BackendEnum backend, String database, String username, String password) {
+        if (backend == null) {
             throw new ConfigurationException("storage.backend");
         }
 
-        if (StringUtils.isBlank(path)) {
+        if (StringUtils.isBlank(database)) {
             throw new ConfigurationException("Storage destination cannot be empty");
         }
 
         withCatcher(() -> {
-            ConnectionSource connPool = new JdbcConnectionSource("jdbc:" + backend + ":" + path);
+            ConnectionSource connPool = new JdbcConnectionSource("jdbc:" + backend + ":" + database, username, password);
             changelogDao = createDaoAndTable(connPool, ChangelogDao.class);
             invDao = createDaoAndTable(connPool, ThreePidInviteIO.class);
             expInvDao = createDaoAndTable(connPool, HistoricalThreePidInviteIO.class);

src/test/java/io/kamax/mxisd/test/storage/OrmLiteSqlStorageTest.java

@@ -20,6 +20,7 @@
 
 package io.kamax.mxisd.test.storage;
 
+import io.kamax.mxisd.config.StorageConfig;
 import io.kamax.mxisd.storage.ormlite.OrmLiteSqlStorage;
 import org.junit.Test;
 
@@ -29,14 +30,14 @@ public class OrmLiteSqlStorageTest {
 
     @Test
     public void insertAsTxnDuplicate() {
-        OrmLiteSqlStorage store = new OrmLiteSqlStorage("sqlite", ":memory:");
+        OrmLiteSqlStorage store = new OrmLiteSqlStorage(StorageConfig.BackendEnum.sqlite, ":memory:");
         store.insertTransactionResult("mxisd", "1", Instant.now(), "{}");
         store.insertTransactionResult("mxisd", "2", Instant.now(), "{}");
     }
 
     @Test(expected = RuntimeException.class)
     public void insertAsTxnSame() {
-        OrmLiteSqlStorage store = new OrmLiteSqlStorage("sqlite", ":memory:");
+        OrmLiteSqlStorage store = new OrmLiteSqlStorage(StorageConfig.BackendEnum.sqlite, ":memory:");
         store.insertTransactionResult("mxisd", "1", Instant.now(), "{}");
         store.insertTransactionResult("mxisd", "1", Instant.now(), "{}");
     }