Mail service

cms-api/src/main/java/com/condation/cms/api/mail/MailService.java

@@ -0,0 +1,41 @@
+package com.condation.cms.api.mail;
+
+/*-
+ * #%L
+ * cms-api
+ * %%
+ * Copyright (C) 2023 - 2025 CondationCMS
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * <http://www.gnu.org/licenses/gpl-3.0.html>.
+ * #L%
+ */
+
+/**
+ *
+ * @author thmar
+ */
+public interface MailService {
+	void sendText (String account, Message message);
+
+	void sendHtml (String account, Message message);
+
+	default void sendText (Message message) {
+		sendText("default", message);
+	}
+
+	default void sendHtml (Message message) {
+		sendHtml("default", message);
+	}
+}

cms-api/src/main/java/com/condation/cms/api/mail/Message.java

@@ -0,0 +1,38 @@
+package com.condation.cms.api.mail;
+
+/*-
+ * #%L
+ * cms-api
+ * %%
+ * Copyright (C) 2023 - 2025 CondationCMS
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * <http://www.gnu.org/licenses/gpl-3.0.html>.
+ * #L%
+ */
+
+import java.util.List;
+
+/**
+ *
+ * @author thmar
+ */
+public record Message(String from, List<Recipient> to, String subject, String message) {
+
+	public Message (String from, Recipient to, String subject, String message) {
+		this(from, List.of(to), subject, message);
+	}
+
+	public static record Recipient (String name, String mailAddress){}
+}

cms-core/pom.xml

@@ -28,6 +28,23 @@
 			<artifactId>jtoml-serializer-gson</artifactId>
 			<version>1.3.0</version>
 		</dependency>
+		<dependency>
+			<groupId>org.simplejavamail</groupId>
+			<artifactId>simple-java-mail</artifactId>
+			<version>8.12.6</version>
+		</dependency>
+		<dependency>
+			<groupId>com.icegreen</groupId>
+			<artifactId>greenmail</artifactId>
+			<version>2.1.7</version>
+			<scope>test</scope>
+		</dependency>
+		<dependency>
+			<groupId>com.icegreen</groupId>
+			<artifactId>greenmail-junit5</artifactId>
+			<version>2.1.7</version>
+			<scope>test</scope>
+		</dependency>
 		<dependency>
 			<groupId>org.projectlombok</groupId>
 			<artifactId>lombok</artifactId>

cms-core/src/main/java/com/condation/cms/core/mail/DefaultMailService.java

@@ -0,0 +1,100 @@
+package com.condation.cms.core.mail;
+
+/*-
+ * #%L
+ * cms-core
+ * %%
+ * Copyright (C) 2023 - 2025 CondationCMS
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * <http://www.gnu.org/licenses/gpl-3.0.html>.
+ * #L%
+ */
+
+import com.condation.cms.api.db.DB;
+import com.condation.cms.api.mail.MailService;
+import com.condation.cms.api.mail.Message;
+import java.nio.file.Files;
+import org.simplejavamail.api.email.Recipient;
+import org.simplejavamail.api.mailer.Mailer;
+import org.simplejavamail.email.EmailBuilder;
+import org.simplejavamail.mailer.MailerBuilder;
+
+/**
+ *
+ * @author thmar
+ */
+public class DefaultMailService implements MailService {
+
+	private final DB db;
+
+	private MailConfig config;
+
+	public DefaultMailService(DB db) {
+		this.db = db;
+
+		init();
+	}
+
+	private void init () {
+		var mailConfig = db.getFileSystem().resolve("config/mail.yaml");
+		if (Files.exists(mailConfig)) {
+			config = MailConfigLoader.load(mailConfig);
+		}
+	}
+
+	@Override
+	public void sendText(String account, Message message) {
+		var acc = getAccount(account);
+
+		var mail = EmailBuilder.startingBlank()
+				.appendText(message.message())
+				.withSubject(message.subject())
+				.from(message.from(), acc.getFromMail())
+				.to(message.to().stream().map(rec -> new Recipient(rec.name(), rec.mailAddress(), null)).toList());
+
+		buildMailer(acc).sendMail(mail.buildEmail());
+	}
+
+	@Override
+	public void sendHtml(String account, Message message) {
+		var acc = getAccount(account);
+
+		var mail = EmailBuilder.startingBlank()
+				.appendTextHTML(message.message())
+				.withSubject(message.subject())
+				.from(message.from(), acc.getFromMail())
+				.to(message.to().stream().map(rec -> new Recipient(rec.name(), rec.mailAddress(), null)).toList());
+
+		buildMailer(acc).sendMail(mail.buildEmail());
+	}
+
+	private MailConfig.Account getAccount(String account) throws RuntimeException {
+		var acc = config.getAccount(account);
+		if (acc.isEmpty()) {
+			throw new RuntimeException("unknown account");
+		}
+		return acc.get();
+	}
+
+
+	private Mailer buildMailer (MailConfig.Account account) {
+		return MailerBuilder.withSMTPServer(
+				account.getHost(), 
+				account.getPort(), 
+				account.getUsername(), 
+				account.getPassword()
+		).buildMailer();
+	}
+}

cms-core/src/main/java/com/condation/cms/core/mail/MailConfig.java

@@ -0,0 +1,54 @@
+package com.condation.cms.core.mail;
+
+/*-
+ * #%L
+ * cms-core
+ * %%
+ * Copyright (C) 2023 - 2025 CondationCMS
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * <http://www.gnu.org/licenses/gpl-3.0.html>.
+ * #L%
+ */
+
+import java.util.List;
+import java.util.Optional;
+import lombok.Data;
+
+/**
+ *
+ * @author thmar
+ */
+@Data
+public class MailConfig {
+
+	private List<Account> accounts;
+
+	public Optional<Account> getAccount (String name) {
+		if (accounts == null || accounts.isEmpty()) {
+			return Optional.empty();
+		}
+		return accounts.stream().filter(acc -> name.equals(acc.getName())).findFirst();
+	}
+
+	@Data
+	public static class Account {
+		private String name;
+		private String fromMail;
+		private String host;
+		private int port;
+		private String username;
+		private String password;
+	}
+}

cms-core/src/main/java/com/condation/cms/core/mail/MailConfigLoader.java

@@ -0,0 +1,48 @@
+package com.condation.cms.core.mail;
+
+/*-
+ * #%L
+ * cms-core
+ * %%
+ * Copyright (C) 2023 - 2025 CondationCMS
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * <http://www.gnu.org/licenses/gpl-3.0.html>.
+ * #L%
+ */
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import org.yaml.snakeyaml.LoaderOptions;
+import org.yaml.snakeyaml.Yaml;
+import org.yaml.snakeyaml.constructor.Constructor;
+
+/**
+ *
+ * @author thorstenmarx
+ */
+public class MailConfigLoader {
+
+	public static MailConfig load(Path configFile) {
+		try {
+			try (var configByteBuffer = Files.newBufferedReader(configFile, StandardCharsets.UTF_8)) {
+				Yaml yaml = new Yaml(new Constructor(MailConfig.class, new LoaderOptions()));
+				return yaml.load(configByteBuffer);
+			}
+		} catch (IOException ex) {
+			throw new RuntimeException(ex);
+		}
+	}
+}