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@ -1,15 +1,21 @@
@@ -1,15 +1,21 @@
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package de.srsoftware.widerhall.data; |
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import de.srsoftware.widerhall.Configuration; |
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import de.srsoftware.widerhall.mail.ImapClient; |
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import de.srsoftware.widerhall.mail.MessageHandler; |
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import de.srsoftware.widerhall.mail.SmtpClient; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import javax.mail.Message; |
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import javax.mail.MessagingException; |
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import javax.mail.internet.AddressException; |
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import javax.mail.internet.InternetAddress; |
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import java.io.UnsupportedEncodingException; |
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import java.sql.ResultSet; |
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import java.sql.SQLException; |
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import java.util.*; |
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import java.util.stream.Stream; |
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import static de.srsoftware.widerhall.Constants.*; |
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import static de.srsoftware.widerhall.Util.t; |
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@ -18,7 +24,7 @@ import static de.srsoftware.widerhall.data.User.PERMISSION_ADMIN;
@@ -18,7 +24,7 @@ import static de.srsoftware.widerhall.data.User.PERMISSION_ADMIN;
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/** |
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* this class encapsulates a MailingList db object |
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*/ |
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public class MailingList { |
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public class MailingList implements MessageHandler { |
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private static final Logger LOG = LoggerFactory.getLogger(MailingList.class); |
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private static final String IMAP_HOST = "imap_host"; |
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private static final String IMAP_PORT = "imap_port"; |
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@ -32,14 +38,17 @@ public class MailingList {
@@ -32,14 +38,17 @@ public class MailingList {
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private static final int STATE_PENDING = 0; |
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private static final int STATE_ENABLED = 1; |
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private static final int STATE_PUBLIC = 2; |
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public static final int STATE_FORWARD_FROM = 4; |
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public static final int STATE_FORWARD_ATTACHED = 8; |
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private static final int VISIBLE = 1; |
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private static final int HIDDEN = 0; |
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private final String name; |
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private final String email; |
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private final String imapPass, imapHost, imapUser; |
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private final int imapPort; |
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private int state; |
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private final SmtpClient smtp; |
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private final ImapClient imap; |
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private static final HashMap<String,MailingList> lists = new HashMap<>(); |
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private static final HashMap<String,MailingList> cache = new HashMap<>(); |
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/** |
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* create a new ML object |
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@ -55,15 +64,12 @@ public class MailingList {
@@ -55,15 +64,12 @@ public class MailingList {
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* @param smtpPass |
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* @param state |
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*/ |
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public MailingList(String email, String name, String imapHost, int imapPort, String imapUser, String imapPass, String smtpHost, int smtpPort, String smtpUser, String smtpPass, int state) { |
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public MailingList(String email, String name, String imapHost, int imapPort, String imapUser, String imapPass, String inbox, String smtpHost, int smtpPort, String smtpUser, String smtpPass, int state) { |
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this.email = email; |
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this.name = name; |
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this.imapHost = imapHost; |
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this.imapPort = imapPort; |
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this.imapUser = imapUser; |
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this.imapPass = imapPass; |
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this.state = state; |
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this.smtp = new SmtpClient(smtpHost,smtpPort,smtpUser,smtpPass); |
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this.imap = new ImapClient(imapHost,imapPort,imapUser,imapPass,inbox); |
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} |
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/** |
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@ -81,8 +87,8 @@ public class MailingList {
@@ -81,8 +87,8 @@ public class MailingList {
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* @return |
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* @throws SQLException |
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*/ |
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public static MailingList create(String email, String name, String imapHost, int imapPort, String imapUser, String imapPass, String smtpHost, int smtpPort, String smtpUser, String smtpPass) throws SQLException { |
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return new MailingList(email, name, imapHost, imapPort, imapUser, imapPass, smtpHost, smtpPort, smtpUser, smtpPass, STATE_PENDING).save(); |
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public static MailingList create(String email, String name, String imapHost, int imapPort, String imapUser, String imapPass, String inbox, String smtpHost, int smtpPort, String smtpUser, String smtpPass) throws SQLException { |
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return new MailingList(email, name, imapHost, imapPort, imapUser, imapPass, inbox, smtpHost, smtpPort, smtpUser, smtpPass, STATE_PENDING).save(); |
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} |
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/** |
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@ -99,6 +105,7 @@ public class MailingList {
@@ -99,6 +105,7 @@ public class MailingList {
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.append(IMAP_PORT).append(" ").append(INT).append(", ") |
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.append(IMAP_USER).append(" ").append(VARCHAR).append(", ") |
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.append(IMAP_PASS).append(" ").append(VARCHAR).append(", ") |
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.append(INBOX).append(" ").append(VARCHAR).append(", ") |
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.append(SMTP_HOST).append(" ").append(VARCHAR).append(", ") |
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.append(SMTP_PORT).append(" ").append(INT).append(", ") |
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.append(SMTP_USER).append(" ").append(VARCHAR).append(", ") |
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@ -108,49 +115,51 @@ public class MailingList {
@@ -108,49 +115,51 @@ public class MailingList {
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Database.open().query(sql).compile().run(); |
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} |
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/** |
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* load the set of mailing lists a given user is allowed to edit |
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* @param user |
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* @return |
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*/ |
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public static Set<MailingList> editableBy(User user) { |
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var list = new HashSet<MailingList>(); |
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for (String key : ListMember.listsOwnedBy(user)) list.add(load(key)); |
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return list; |
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} |
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public String email() { |
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return email; |
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} |
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public void enable(boolean enable) throws SQLException { |
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state = enable ? state | STATE_ENABLED : state ^ (state & STATE_ENABLED); |
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Database.open().update(TABLE_NAME).set(STATE,state).where(EMAIL, email()).compile().run(); |
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} |
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setFlag(STATE_ENABLED,enable); |
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public void hide(boolean hide) throws SQLException { |
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state = hide ? state ^ (state & STATE_PUBLIC) : state | STATE_PUBLIC; |
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Database.open().update(TABLE_NAME).set(STATE,state).where(EMAIL, email()).compile().run(); |
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if (enable) { |
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imap.start().addListener(this); |
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} else { |
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imap.stop(); |
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} |
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} |
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/** |
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* test, whether the current ML is subscribable by a given user |
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* @param user |
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* @return |
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*/ |
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public boolean isOpenFor(User user) { |
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if ((state & STATE_PUBLIC) > 0) return true; // all users may subscribe public mailing lists
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if (user == null) return false; |
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private void forward(Message message) throws MessagingException { |
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try { |
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var member = ListMember.load(this,user); |
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return member.hasState(ListMember.STATE_OWNER|ListMember.STATE_SUBSCRIBER); // owners may subscribe their own mailing lists
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var emails = members().stream().map(ListMember::user).map(User::email).toList(); |
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String sender = (state & STATE_FORWARD_FROM) > 0 ? message.getFrom()[0].toString() : email(); |
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smtp.bccForward(sender,message,emails); |
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} catch (SQLException e) { |
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LOG.warn("Konnte ListeMember nicht laden: ",e); |
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return false; |
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LOG.error("Laden der Listen-Mitglieder von {} fehlgeschlagen. Nachricht kann nicht weitergeleitet werden!",email(),e); |
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} |
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} |
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/** |
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* load the set of mailing lists a given user is allowed to edit |
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* @param user |
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* @return |
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*/ |
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public static Set<MailingList> editableBy(User user) { |
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var list = new HashSet<MailingList>(); |
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for (String key : ListMember.listsOwnedBy(user)) list.add(load(key)); |
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return list; |
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public void forwardAttached(boolean forward) throws SQLException { |
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setFlag(STATE_FORWARD_ATTACHED,forward); |
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} |
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public void forwardFrom(boolean forward) throws SQLException { |
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setFlag(STATE_FORWARD_FROM,forward); |
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} |
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/** |
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* Create a mailing list object from a ResultSet. |
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* This is a cached method: if the ML has been loaded before, the already-loaded object will be returned. |
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@ -161,13 +170,14 @@ public class MailingList {
@@ -161,13 +170,14 @@ public class MailingList {
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*/ |
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private static MailingList from(ResultSet rs) throws SQLException { |
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String email = rs.getString(EMAIL); |
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var ml = lists.get(email); |
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if (ml == null) lists.put(email,ml = new MailingList(rs.getString(EMAIL), |
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var ml = cache.get(email); |
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if (ml == null) cache.put(email,ml = new MailingList(rs.getString(EMAIL), |
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rs.getString(NAME), |
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rs.getString(IMAP_HOST), |
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rs.getInt(IMAP_PORT), |
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rs.getString(IMAP_USER), |
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rs.getString(IMAP_PASS), |
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rs.getString(INBOX), |
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rs.getString(SMTP_HOST), |
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rs.getInt(SMTP_PORT), |
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rs.getString(SMTP_USER), |
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@ -176,6 +186,31 @@ public class MailingList {
@@ -176,6 +186,31 @@ public class MailingList {
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return ml; |
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} |
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public boolean hasState(int test){ |
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return (state & test) > 0; |
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} |
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public void hide(boolean hide) throws SQLException { |
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setFlag(STATE_PUBLIC,!hide); |
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} |
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/** |
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* test, whether the current ML is subscribable by a given user |
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* @param user |
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* @return |
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*/ |
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public boolean isOpenFor(User user) { |
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if ((state & STATE_PUBLIC) > 0) return true; // all users may subscribe public mailing lists
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if (user == null) return false; |
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try { |
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var member = ListMember.load(this,user); |
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return member.hasState(ListMember.STATE_OWNER|ListMember.STATE_SUBSCRIBER); // owners may subscribe their own mailing lists
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} catch (SQLException e) { |
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LOG.warn("Konnte Listen-Mitglied nicht laden: ",e); |
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return false; |
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} |
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} |
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/** |
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* Load a ML object by it's identifying email address. |
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* This is a cached method: if the ML has been loaded before, the already-loaded object will be returned. |
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@ -184,7 +219,7 @@ public class MailingList {
@@ -184,7 +219,7 @@ public class MailingList {
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*/ |
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public static MailingList load(String listEmail) { |
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if (listEmail == null) return null; |
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var ml = lists.get(listEmail); |
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var ml = cache.get(listEmail); |
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if (ml == null) try { |
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var rs = Database.open() |
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.select(TABLE_NAME) |
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@ -192,11 +227,46 @@ public class MailingList {
@@ -192,11 +227,46 @@ public class MailingList {
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.compile().exec(); |
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if (rs.next()) ml = MailingList.from(rs); |
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} catch (SQLException e) { |
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LOG.debug("Konnte MailingList nicht laden: ",e); |
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LOG.debug("Konnte Mailing-Liste nicht laden: ",e); |
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} |
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return ml; |
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} |
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public boolean mayBeAlteredBy(User user) { |
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if (user.hashPermission(PERMISSION_ADMIN)) return true; |
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try { |
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if (ListMember.load(this,user).hasState(ListMember.STATE_OWNER)) return true; |
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} catch (SQLException e) { |
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LOG.debug("Fehler beim Laden des Listenmitglieds für ({}, {})",user.email(),email()); |
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} |
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return false; |
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} |
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public boolean mayBeTestedBy(User user) { |
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if (user.hashPermission(PERMISSION_ADMIN)) return true; |
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try { |
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if (ListMember.load(this,user).hasState(ListMember.STATE_OWNER)) return true; |
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} catch (SQLException e) { |
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LOG.debug("Fehler beim Laden des Listenmitglieds für ({}, {})",user.email(),email()); |
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} |
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return false; |
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} |
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public Set<ListMember> members() throws SQLException { |
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return ListMember.of(this); |
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} |
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public boolean membersMayBeListedBy(User user) { |
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if (user.hashPermission(PERMISSION_ADMIN)) return true; |
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try { |
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if (ListMember.load(this,user).hasState(ListMember.STATE_OWNER)) return true; |
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} catch (SQLException e) { |
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LOG.debug("Fehler beim Laden des Listenmitglieds für ({}, {})",user.email(),email()); |
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} |
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return false; |
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} |
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/** |
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* creates a map from the current ML object containing only email and name of the ML |
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* @return |
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@ -206,7 +276,7 @@ public class MailingList {
@@ -206,7 +276,7 @@ public class MailingList {
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String[] parts = email.split("@", 2); |
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map.put(EMAIL,Map.of(PREFIX,parts[0],DOMAIN,parts[1])); |
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map.put(NAME, name); |
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map.put(STATE, stateString(state)); |
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map.put(STATE, stateMap()); |
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return map; |
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} |
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@ -214,6 +284,13 @@ public class MailingList {
@@ -214,6 +284,13 @@ public class MailingList {
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return name; |
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} |
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@Override |
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public void onMessageReceived(Message message) throws MessagingException { |
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LOG.debug("Nachricht empfangen: {}",message.getFrom()); |
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storeMessage(message); |
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forward(message); |
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} |
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/** |
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* provide the set of mailing lists that are publicy open to subscriptions |
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* @return |
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@ -241,12 +318,14 @@ public class MailingList {
@@ -241,12 +318,14 @@ public class MailingList {
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*/ |
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public Map<String, Object> safeMap() { |
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var map = minimalMap(); |
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if (imapHost != null) map.put(IMAP_HOST, imapHost); |
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if (imapPort != 0) map.put(IMAP_PORT, imapPort); |
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if (imapUser != null) map.put(IMAP_USER, imapUser); |
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if (imap.host() != null) map.put(IMAP_HOST, imap.host()); |
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if (imap.port() != 0) map.put(IMAP_PORT, imap.port()); |
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if (imap.username() != null) map.put(IMAP_USER, imap.username()); |
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if (imap.folderName() != null) map.put(INBOX,imap.folderName()); |
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if (smtp.host() != null) map.put(SMTP_HOST, smtp.host()); |
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if (smtp.port() != 0) map.put(SMTP_PORT, smtp.port()); |
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if (smtp.username() != null) map.put(SMTP_USER, smtp.username()); |
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map.put(STATE,stateMap()); |
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return map; |
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} |
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@ -261,10 +340,11 @@ public class MailingList {
@@ -261,10 +340,11 @@ public class MailingList {
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.insertInto(TABLE_NAME) |
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.set(EMAIL, email) |
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.set(NAME, name) |
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.set(IMAP_HOST, imapHost) |
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.set(IMAP_PORT, imapPort) |
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.set(IMAP_USER, imapUser) |
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.set(IMAP_PASS, imapPass) |
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.set(IMAP_HOST, imap.host()) |
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.set(IMAP_PORT, imap.port()) |
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.set(IMAP_USER, imap.username()) |
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.set(IMAP_PASS, imap.password()) |
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.set(INBOX,imap.folderName()) |
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.set(SMTP_HOST, smtp.host()) |
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.set(SMTP_PORT, smtp.port()) |
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.set(SMTP_USER, smtp.username()) |
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@ -290,16 +370,17 @@ public class MailingList {
@@ -290,16 +370,17 @@ public class MailingList {
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smtp.login().send(email(),name(),user.email(),subject,text); |
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} |
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/** |
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* convert state to readable string |
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* @param state |
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* @return |
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*/ |
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private static String stateString(int state) { |
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var states = new ArrayList<String>(); |
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states.add((state & STATE_ENABLED) == STATE_ENABLED ? "enabled" : "disabled"); |
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states.add((state & STATE_PUBLIC) == STATE_PUBLIC ? "public" : "hidden"); |
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return String.join(", ", states); |
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private void setFlag(int flag, boolean on) throws SQLException { |
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state = on ? state | flag : state ^ (state & flag); |
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Database.open().update(TABLE_NAME).set(STATE,state).where(EMAIL, email()).compile().run(); |
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} |
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public Map<String,Integer> stateMap(){ |
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var map = new HashMap<String,Integer>(); |
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if (hasState(STATE_ENABLED)) map.put("enabled",VISIBLE); |
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if (hasState(STATE_PUBLIC)) map.put("public",VISIBLE); |
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if (hasState(STATE_FORWARD_FROM)) map.put("original_from",HIDDEN); |
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return map; |
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} |
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/** |
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@ -335,7 +416,7 @@ public class MailingList {
@@ -335,7 +416,7 @@ public class MailingList {
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rs.close(); |
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return result; |
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} catch (SQLException e) { |
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LOG.warn("Lesen der für {} abbonnierbaren Mailinglisten fehlgeschlagen.",user,e); |
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LOG.warn("Lesen der abbonnierbaren Mailinglisten von {} fehlgeschlagen.",user,e); |
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return Set.of(); |
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} |
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} |
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@ -360,6 +441,10 @@ public class MailingList {
@@ -360,6 +441,10 @@ public class MailingList {
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} |
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} |
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private void storeMessage(Message message){ |
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// TODO: implement
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} |
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/** |
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* send a test email to the provided user |
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@ -372,4 +457,13 @@ public class MailingList {
@@ -372,4 +457,13 @@ public class MailingList {
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var text = "Wenn Sie diese Nachricht empfangen haben, sind die SMTP-Einstellungen Ihrer Mailing-Liste korrekt."; |
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smtp.login().send(email(),name(),user.email(),subject,text); |
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} |
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public static Stream<InternetAddress> toAddress(String email) { |
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try { |
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return Arrays.asList(InternetAddress.parse(email)).stream(); |
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} catch (AddressException e) { |
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LOG.debug("Parsen von {} fehlgeschlagen",email,e); |
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return new ArrayList<InternetAddress>().stream(); |
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} |
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} |
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} |
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