Java tutorial
/******************************************************************************* * Copyright 2014 Federal Chancellery Austria * MOA-ID has been developed in a cooperation between BRZ, the Federal * Chancellery Austria - ICT staff unit, and Graz University of Technology. * * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by * the European Commission - subsequent versions of the EUPL (the "Licence"); * You may not use this work except in compliance with the Licence. * You may obtain a copy of the Licence at: * http://www.osor.eu/eupl/ * * Unless required by applicable law or agreed to in writing, software * distributed under the Licence is distributed on an "AS IS" basis, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the Licence for the specific language governing permissions and * limitations under the Licence. * * This product combines work with different licenses. See the "NOTICE" text * file for details on the various modules and licenses. * The "NOTICE" text file is part of the distribution. Any derivative works * that you distribute must include a readable copy of the "NOTICE" text file. *******************************************************************************/ package at.gv.egovernment.moa.id.configuration.helper; import java.io.InputStream; import java.io.StringWriter; import java.io.UnsupportedEncodingException; import java.net.URL; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Properties; import javax.mail.BodyPart; import javax.mail.Message; import javax.mail.MessagingException; import javax.mail.Session; import javax.mail.Transport; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeBodyPart; import javax.mail.internet.MimeMessage; import javax.mail.internet.MimeMultipart; import org.apache.commons.io.IOUtils; import org.apache.log4j.Logger; import at.gv.egovernment.moa.id.commons.db.dao.config.UserDatabase; import at.gv.egovernment.moa.id.configuration.Constants; import at.gv.egovernment.moa.id.configuration.config.ConfigurationProvider; import at.gv.egovernment.moa.id.configuration.exception.ConfigurationException; import at.gv.egovernment.moa.util.FileUtils; import at.gv.egovernment.moa.util.MiscUtil; public class MailHelper { private static final Logger log = Logger.getLogger(MailHelper.class); private static final String PATTERN_GIVENNAME = "#GIVENNAME#"; private static final String PATTERN_FAMILYNAME = "#FAMILYNAME#"; private static final String PATTERN_URL = "#MANDATE_SERVICE_LINK#"; private static final String PATTERN_DATE = "#TODAY_DATE#"; private static final String PATTERN_OPENOAS = "#NUMBER_OAS#"; private static final String PATTERN_OPENUSERS = "#NUMBER_USERSS#"; private static final String PATTERN_OANAME = "#OANAME#"; public static void sendUserMailAddressVerification(UserDatabase userdb) throws ConfigurationException { ConfigurationProvider config = ConfigurationProvider.getInstance(); String templateurl = config.getMailUserAcountVerificationTemplate(); String template = readTemplateFromURL(templateurl, config.getConfigRootDir()); if (userdb.isIsMandateUser() != null && userdb.isIsMandateUser()) { template = template.replace(PATTERN_GIVENNAME, userdb.getInstitut()); template = template.replace(PATTERN_FAMILYNAME, ""); } else { template = template.replace(PATTERN_GIVENNAME, userdb.getGivenname()); template = template.replace(PATTERN_FAMILYNAME, userdb.getFamilyname()); } SimpleDateFormat dateformat = new SimpleDateFormat("dd.MM.yyyy"); template = template.replace(PATTERN_DATE, dateformat.format(new Date())); String verificationURL = config.getPublicUrlPreFix(null); if (!verificationURL.endsWith("/")) verificationURL = verificationURL + "/"; verificationURL = verificationURL + Constants.SERVLET_ACCOUNTVERIFICATION + "?" + Constants.REQUEST_USERREQUESTTOKKEN + "=" + userdb.getUserRequestTokken(); template = template.replace(PATTERN_URL, verificationURL); sendMail(config, config.getMailUserAcountVerificationSubject(), userdb.getMail(), template); } public static void sendAdminMail(int numOpenOAs, int numOpenUsers) throws ConfigurationException { ConfigurationProvider config = ConfigurationProvider.getInstance(); String templateurl = config.getMailAdminTemplate(); String template = readTemplateFromURL(templateurl, config.getConfigRootDir()); template = template.replace(PATTERN_OPENOAS, String.valueOf(numOpenOAs)); template = template.replace(PATTERN_OPENUSERS, String.valueOf(numOpenUsers)); SimpleDateFormat dateformat = new SimpleDateFormat("dd.MM.yyyy"); template = template.replace(PATTERN_DATE, dateformat.format(new Date())); sendMail(config, config.getMailAdminSubject(), config.getMailAdminAddress(), template); } public static void sendUserAccountActivationMail(String givenname, String familyname, String institut, String mailurl) throws ConfigurationException { ConfigurationProvider config = ConfigurationProvider.getInstance(); String templateurl = config.getMailUserAcountActivationTemplate(); String template = readTemplateFromURL(templateurl, config.getConfigRootDir()); if (MiscUtil.isNotEmpty(institut)) { template = template.replace(PATTERN_GIVENNAME, institut); template = template.replace(PATTERN_FAMILYNAME, ""); } else { template = template.replace(PATTERN_GIVENNAME, givenname); template = template.replace(PATTERN_FAMILYNAME, familyname); } SimpleDateFormat dateformat = new SimpleDateFormat("dd.MM.yyyy"); template = template.replace(PATTERN_DATE, dateformat.format(new Date())); String verificationURL = config.getPublicUrlPreFix(null); if (!verificationURL.endsWith("/")) verificationURL = verificationURL + "/"; template = template.replace(PATTERN_URL, verificationURL); sendMail(config, config.getMailUserAcountActivationSubject(), mailurl, template); } public static void sendUserOnlineApplicationActivationMail(String givenname, String familyname, String institut, String oaname, String mailurl) throws ConfigurationException { ConfigurationProvider config = ConfigurationProvider.getInstance(); String templateurl = config.getMailOAActivationTemplate(); String template = readTemplateFromURL(templateurl, config.getConfigRootDir()); if (MiscUtil.isNotEmpty(institut)) { template = template.replace(PATTERN_GIVENNAME, institut); template = template.replace(PATTERN_FAMILYNAME, ""); } else { template = template.replace(PATTERN_GIVENNAME, givenname); template = template.replace(PATTERN_FAMILYNAME, familyname); } template = template.replace(PATTERN_OANAME, oaname); SimpleDateFormat dateformat = new SimpleDateFormat("dd.MM.yyyy"); template = template.replace(PATTERN_DATE, dateformat.format(new Date())); String verificationURL = config.getPublicUrlPreFix(null); if (!verificationURL.endsWith("/")) verificationURL = verificationURL + "/"; template = template.replace(PATTERN_URL, verificationURL); sendMail(config, config.getMailOAActivationSubject(), mailurl, template); } public static void sendUserAccountRevocationMail(UserDatabase userdb) throws ConfigurationException { ConfigurationProvider config = ConfigurationProvider.getInstance(); String templateurl = config.getMailUserAcountRevocationTemplate(); String template = readTemplateFromURL(templateurl, config.getConfigRootDir()); if (userdb.isIsMandateUser() != null && userdb.isIsMandateUser()) { template = template.replace(PATTERN_GIVENNAME, userdb.getInstitut()); template = template.replace(PATTERN_FAMILYNAME, ""); } else { template = template.replace(PATTERN_GIVENNAME, userdb.getGivenname()); template = template.replace(PATTERN_FAMILYNAME, userdb.getFamilyname()); } SimpleDateFormat dateformat = new SimpleDateFormat("dd.MM.yyyy"); template = template.replace(PATTERN_DATE, dateformat.format(new Date())); sendMail(config, config.getMailUserAcountActivationSubject(), userdb.getMail(), template); } private static String readTemplateFromURL(String templateurl, String rootDir) throws ConfigurationException { InputStream input; try { URL keystoreURL = new URL(FileUtils.makeAbsoluteURL(templateurl, rootDir)); input = keystoreURL.openStream(); StringWriter writer = new StringWriter(); IOUtils.copy(input, writer); input.close(); return writer.toString(); } catch (Exception e) { log.warn("Mailtemplate can not be read from source" + templateurl); throw new ConfigurationException("Mailtemplate can not be read from source" + templateurl); } } private static void sendMail(ConfigurationProvider config, String subject, String recipient, String content) throws ConfigurationException { try { log.debug("Sending mail."); MiscUtil.assertNotNull(subject, "subject"); MiscUtil.assertNotNull(recipient, "recipient"); MiscUtil.assertNotNull(content, "content"); Properties props = new Properties(); props.setProperty("mail.transport.protocol", "smtp"); props.setProperty("mail.host", config.getSMTPMailHost()); log.trace("Mail host: " + config.getSMTPMailHost()); if (config.getSMTPMailPort() != null) { log.trace("Mail port: " + config.getSMTPMailPort()); props.setProperty("mail.port", config.getSMTPMailPort()); } if (config.getSMTPMailUsername() != null) { log.trace("Mail user: " + config.getSMTPMailUsername()); props.setProperty("mail.user", config.getSMTPMailUsername()); } if (config.getSMTPMailPassword() != null) { log.trace("Mail password: " + config.getSMTPMailPassword()); props.setProperty("mail.password", config.getSMTPMailPassword()); } Session mailSession = Session.getDefaultInstance(props, null); Transport transport = mailSession.getTransport(); MimeMessage message = new MimeMessage(mailSession); message.setSubject(subject); log.trace("Mail from: " + config.getMailFromName() + "/" + config.getMailFromAddress()); message.setFrom(new InternetAddress(config.getMailFromAddress(), config.getMailFromName())); log.trace("Recipient: " + recipient); message.addRecipient(Message.RecipientType.TO, new InternetAddress(recipient)); log.trace("Creating multipart content of mail."); MimeMultipart multipart = new MimeMultipart("related"); log.trace("Adding first part (html)"); BodyPart messageBodyPart = new MimeBodyPart(); messageBodyPart.setContent(content, "text/html; charset=ISO-8859-15"); multipart.addBodyPart(messageBodyPart); // log.trace("Adding mail images"); // messageBodyPart = new MimeBodyPart(); // for (Image image : images) { // messageBodyPart.setDataHandler(new DataHandler(image)); // messageBodyPart.setHeader("Content-ID", "<" + image.getContentId() + ">"); // multipart.addBodyPart(messageBodyPart); // } message.setContent(multipart); transport.connect(); log.trace("Sending mail message."); transport.sendMessage(message, message.getRecipients(Message.RecipientType.TO)); log.trace("Successfully sent."); transport.close(); } catch (MessagingException e) { throw new ConfigurationException(e); } catch (UnsupportedEncodingException e) { throw new ConfigurationException(e); } } }