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Widerhall
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refactoring code

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Stephan Richter 3 years ago
parent
b38b40a677
commit
2c99aa20b3
8 changed files with 195 additions and 124 deletions
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  1. 2
      pom.xml
  2. 22
      src/main/java/de/srsoftware/widerhall/Util.java
  3. 78
      src/main/java/de/srsoftware/widerhall/data/ListMember.java
  4. 48
      src/main/java/de/srsoftware/widerhall/data/MailingList.java
  5. 11
      src/main/java/de/srsoftware/widerhall/data/User.java
  6. 132
      src/main/java/de/srsoftware/widerhall/web/Rest.java
  7. 24
      src/main/java/de/srsoftware/widerhall/web/Web.java
  8. 2
      static/templates/login.st

2
pom.xml
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@ -6,7 +6,7 @@
<groupId>org.example</groupId> <groupId>org.example</groupId>
<artifactId>Widerhall</artifactId> <artifactId>Widerhall</artifactId>
<version>0.0.16</version> <version>0.0.17</version>
<build> <build>
<plugins> <plugins>
<plugin> <plugin>

22
src/main/java/de/srsoftware/widerhall/Util.java
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@ -1,9 +1,12 @@
package de.srsoftware.widerhall; package de.srsoftware.widerhall;
import de.srsoftware.tools.translations.Translation; import de.srsoftware.tools.translations.Translation;
import de.srsoftware.widerhall.data.MailingList;
import de.srsoftware.widerhall.data.User;
import javax.mail.internet.AddressException; import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress; import javax.mail.internet.InternetAddress;
import javax.servlet.http.HttpServletRequest;
import java.net.URLEncoder; import java.net.URLEncoder;
import java.nio.charset.StandardCharsets; import java.nio.charset.StandardCharsets;
import java.security.MessageDigest; import java.security.MessageDigest;
@ -11,6 +14,8 @@ import java.security.NoSuchAlgorithmException;
import java.util.Map; import java.util.Map;
import java.util.stream.Collectors; import java.util.stream.Collectors;
import static de.srsoftware.widerhall.Constants.*;
public class Util { public class Util {
private static final MessageDigest SHA256 = getSha256(); private static final MessageDigest SHA256 = getSha256();
@ -92,4 +97,21 @@ public class Util {
} }
return value; return value;
} }
public static User getUser(HttpServletRequest req) {
var o = req.getSession().getAttribute(USER);
return o instanceof User ? (User) o : null;
}
public static String getPath(HttpServletRequest req) {
var path = req.getPathInfo();
return path == null ? INDEX : path.substring(1);
}
public static MailingList getMailingList(HttpServletRequest req) {
var listEmail = req.getParameter(LIST);
if (listEmail == null || listEmail.isBlank()) return null;
return MailingList.load(listEmail);
}
} }

78
src/main/java/de/srsoftware/widerhall/data/ListMember.java
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@ -11,6 +11,7 @@ import java.sql.SQLException;
import java.util.*; import java.util.*;
import static de.srsoftware.widerhall.Constants.*; import static de.srsoftware.widerhall.Constants.*;
import static de.srsoftware.widerhall.Constants.STATE;
/** /**
* @author Stephan Richter * @author Stephan Richter
@ -26,19 +27,21 @@ public class ListMember {
private static final String USER_EMAIL = "user_email"; private static final String USER_EMAIL = "user_email";
private static final String STATE = "state"; private static final String STATE = "state";
private final String listEmail,token,userEmail; private MailingList list;
private User user;
private final String token;
private final int state; private final int state;
/** /**
* create a new list member object * create a new list member object
* @param listEmail * @param list
* @param userEmail * @param user
* @param state * @param state
* @param token * @param token
*/ */
public ListMember(String listEmail, String userEmail, int state, String token){ public ListMember(MailingList list, User user, int state, String token){
this.listEmail = listEmail; this.list = list;
this.userEmail = userEmail; this.user = user;
this.state = state; this.state = state;
this.token = token; this.token = token;
} }
@ -59,19 +62,18 @@ public class ListMember {
if (rs.next()){ if (rs.next()){
var lm = ListMember.from(rs); var lm = ListMember.from(rs);
rs.close(); rs.close();
User user = User.loadAll(List.of(lm.userEmail)).stream().findAny().orElse(null); if (lm.user != null){
if (user != null){
int newState = lm.state ^ STATE_AWAITING_CONFIRMATION | STATE_SUBSCRIBER; int newState = lm.state ^ STATE_AWAITING_CONFIRMATION | STATE_SUBSCRIBER;
Database.open() Database.open()
.update(TABLE_NAME) .update(TABLE_NAME)
.set(TOKEN,null) .set(TOKEN,null)
.set(STATE, newState) //drop confirmation state, set subscriber state .set(STATE, newState) //drop confirmation state, set subscriber state
.where(LIST_EMAIL,lm.listEmail) .where(LIST_EMAIL,lm.list.email())
.where(USER_EMAIL,lm.userEmail) .where(USER_EMAIL,lm.user.email())
.compile() .compile()
.run(); .run();
} }
return user; return lm.user;
} }
return null; return null;
} }
@ -91,7 +93,7 @@ public class ListMember {
if ((state & STATE_AWAITING_CONFIRMATION) > 0){ if ((state & STATE_AWAITING_CONFIRMATION) > 0){
token = Util.sha256(String.join("/",list.email(),user.email(),user.salt())); token = Util.sha256(String.join("/",list.email(),user.email(),user.salt()));
} }
return new ListMember(list.email(),user.email(),state,token).save(); return new ListMember(list,user,state,token).save();
} }
/** /**
@ -118,8 +120,8 @@ public class ListMember {
*/ */
public static ListMember from(ResultSet rs) throws SQLException { public static ListMember from(ResultSet rs) throws SQLException {
return new ListMember( return new ListMember(
rs.getString(LIST_EMAIL), MailingList.load(rs.getString(LIST_EMAIL)),
rs.getString(USER_EMAIL), User.load(rs.getString(USER_EMAIL)),
rs.getInt(STATE), rs.getInt(STATE),
rs.getString(TOKEN)); rs.getString(TOKEN));
} }
@ -175,28 +177,24 @@ public class ListMember {
return null; return null;
} }
/**
* return a map of User → State for a given MailingList public static Set<ListMember> of(MailingList list) throws SQLException {
* @param listEmail var rs = Database.open().select(TABLE_NAME).where(LIST_EMAIL,list.email()).compile().exec();
* @return var set = new HashSet<ListMember>();
* @throws SQLException try {
*/ while (rs.next()) set.add(ListMember.from(rs));
public static Map<User,Integer> of(String listEmail) throws SQLException { } finally {
// Step 1: create mal USER_EMAIL → STATE for MailingList rs.close();
var rs = Database.open() }
.select(TABLE_NAME) return set;
.where(LIST_EMAIL,listEmail) }
.compile()
.exec(); public Map<String,Object> safeMap(){
var temp = new HashMap<String,Integer>(); return Map.of(
while (rs.next()) temp.put(rs.getString(USER_EMAIL),rs.getInt(STATE)); EMAIL,user.email(),
rs.close(); NAME,user.name(),
// Step 2: map user emails to users STATE,ListMember.stateText(state)
var result = new HashMap<User,Integer>(); );
User.loadAll(temp.keySet())
.stream()
.forEach(user -> result.put(user,temp.get(user.email())));
return result;
} }
/** /**
@ -207,8 +205,8 @@ public class ListMember {
private ListMember save() throws SQLException { private ListMember save() throws SQLException {
var req = Database.open() var req = Database.open()
.insertInto(TABLE_NAME) .insertInto(TABLE_NAME)
.set(LIST_EMAIL,listEmail) .set(LIST_EMAIL,list.email())
.set(USER_EMAIL,userEmail) .set(USER_EMAIL,user.email())
.set(STATE,state); .set(STATE,state);
if (token != null) req.set(TOKEN,token); if (token != null) req.set(TOKEN,token);
req.compile().run(); req.compile().run();
@ -255,4 +253,8 @@ public class ListMember {
req.where(LIST_EMAIL,list.email()).where(USER_EMAIL,user.email()).compile().run(); req.where(LIST_EMAIL,list.email()).where(USER_EMAIL,user.email()).compile().run();
} }
} }
public User user(){
return user;
}
} }

48
src/main/java/de/srsoftware/widerhall/data/MailingList.java
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@ -7,12 +7,10 @@ import de.srsoftware.widerhall.mail.SmtpClient;
import org.slf4j.Logger; import org.slf4j.Logger;
import org.slf4j.LoggerFactory; import org.slf4j.LoggerFactory;
import javax.mail.Address;
import javax.mail.Message; import javax.mail.Message;
import javax.mail.MessagingException; import javax.mail.MessagingException;
import javax.mail.internet.AddressException; import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress; import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.io.UnsupportedEncodingException; import java.io.UnsupportedEncodingException;
import java.sql.ResultSet; import java.sql.ResultSet;
import java.sql.SQLException; import java.sql.SQLException;
@ -49,7 +47,7 @@ public class MailingList implements MessageHandler {
private final SmtpClient smtp; private final SmtpClient smtp;
private final ImapClient imap; private final ImapClient imap;
private static final HashMap<String,MailingList> lists = new HashMap<>(); private static final HashMap<String,MailingList> cache = new HashMap<>();
/** /**
* create a new ML object * create a new ML object
@ -145,7 +143,7 @@ public class MailingList implements MessageHandler {
private void forward(Message message) throws MessagingException { private void forward(Message message) throws MessagingException {
try { try {
var emails = members().stream().map(User::email).toList(); var emails = members().stream().map(ListMember::user).map(User::email).toList();
String sender = (state & STATE_FORWARD_FROM) > 0 ? message.getFrom()[0].toString() : email(); String sender = (state & STATE_FORWARD_FROM) > 0 ? message.getFrom()[0].toString() : email();
smtp.bccForward(sender,message,emails); smtp.bccForward(sender,message,emails);
} catch (SQLException e) { } catch (SQLException e) {
@ -163,8 +161,8 @@ public class MailingList implements MessageHandler {
*/ */
private static MailingList from(ResultSet rs) throws SQLException { private static MailingList from(ResultSet rs) throws SQLException {
String email = rs.getString(EMAIL); String email = rs.getString(EMAIL);
var ml = lists.get(email); var ml = cache.get(email);
if (ml == null) lists.put(email,ml = new MailingList(rs.getString(EMAIL), if (ml == null) cache.put(email,ml = new MailingList(rs.getString(EMAIL),
rs.getString(NAME), rs.getString(NAME),
rs.getString(IMAP_HOST), rs.getString(IMAP_HOST),
rs.getInt(IMAP_PORT), rs.getInt(IMAP_PORT),
@ -213,7 +211,7 @@ public class MailingList implements MessageHandler {
*/ */
public static MailingList load(String listEmail) { public static MailingList load(String listEmail) {
if (listEmail == null) return null; if (listEmail == null) return null;
var ml = lists.get(listEmail); var ml = cache.get(listEmail);
if (ml == null) try { if (ml == null) try {
var rs = Database.open() var rs = Database.open()
.select(TABLE_NAME) .select(TABLE_NAME)
@ -226,10 +224,41 @@ public class MailingList implements MessageHandler {
return ml; return ml;
} }
private Set<User> members() throws SQLException { public boolean mayBeAlteredBy(User user) {
return ListMember.of(email()).keySet(); if (user.hashPermission(PERMISSION_ADMIN)) return true;
try {
if (ListMember.load(this,user).hasState(ListMember.STATE_OWNER)) return true;
} catch (SQLException e) {
LOG.debug("Error loading list member for ({}, {})",user.email(),email());
}
return false;
} }
public boolean mayBeTestedBy(User user) {
if (user.hashPermission(PERMISSION_ADMIN)) return true;
try {
if (ListMember.load(this,user).hasState(ListMember.STATE_OWNER)) return true;
} catch (SQLException e) {
LOG.debug("Error loading list member for ({}, {})",user.email(),email());
}
return false;
}
public Set<ListMember> members() throws SQLException {
return ListMember.of(this);
}
public boolean membersMayBeListedBy(User user) {
if (user.hashPermission(PERMISSION_ADMIN)) return true;
try {
if (ListMember.load(this,user).hasState(ListMember.STATE_OWNER)) return true;
} catch (SQLException e) {
LOG.debug("Error loading list member for ({}, {})",user.email(),email());
}
return false;
}
/** /**
* creates a map from the current ML object containing only email and name of the ML * creates a map from the current ML object containing only email and name of the ML
* @return * @return
@ -424,5 +453,4 @@ public class MailingList implements MessageHandler {
return new ArrayList<InternetAddress>().stream(); return new ArrayList<InternetAddress>().stream();
} }
} }
} }

11
src/main/java/de/srsoftware/widerhall/data/User.java
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@ -138,6 +138,17 @@ public class User {
return (permissions & permission) > 0; return (permissions & permission) > 0;
} }
public static User load(String email) throws SQLException {
var rs = Database.open().select(TABLE_NAME).where(EMAIL,email).compile().exec();
try {
if (rs.next()) {
return User.from(rs);
}
return null;
} finally {
rs.close();
}
}
/** /**
* Load the list of all users. Internally calls loadAll(null) * Load the list of all users. Internally calls loadAll(null)

132
src/main/java/de/srsoftware/widerhall/web/Rest.java
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@ -1,5 +1,6 @@
package de.srsoftware.widerhall.web; package de.srsoftware.widerhall.web;
import de.srsoftware.widerhall.Util;
import de.srsoftware.widerhall.data.ListMember; import de.srsoftware.widerhall.data.ListMember;
import de.srsoftware.widerhall.data.MailingList; import de.srsoftware.widerhall.data.MailingList;
import de.srsoftware.widerhall.data.User; import de.srsoftware.widerhall.data.User;
@ -85,12 +86,25 @@ public class Rest extends HttpServlet {
return Map.of(SUCCESS,"Updated user permissions"); return Map.of(SUCCESS,"Updated user permissions");
} }
private Map enableList(MailingList list, User user, boolean enable) {
if (list == null) return Map.of(ERROR,"no list email provided!");
if (!list.mayBeAlteredBy(user)) Map.of(ERROR,t("You are not allowed to edit '{}'",list.email()));
try {
list.enable(enable);
return Map.of(SUCCESS,t("Mailing list '{}' was {}!",list.email(),enable ? "enabled" : "disabled"));
} catch (SQLException e) {
LOG.error("Failed to enable/disable mailing list: ",e);
return Map.of(ERROR,t("Failed to update list '{}'",list.email()));
}
}
public String handleGet(HttpServletRequest req, HttpServletResponse resp){ public String handleGet(HttpServletRequest req, HttpServletResponse resp){
Object o = req.getSession().getAttribute(USER); var user = Util.getUser(req);
var path = Util.getPath(req);
JSONObject json = new JSONObject(); JSONObject json = new JSONObject();
var path = req.getPathInfo();
path = path == null ? INDEX : path.substring(1); if (user != null){
if (o instanceof User user){
json.put(USER,user.safeMap()); json.put(USER,user.safeMap());
switch (path) { switch (path) {
case USER_LIST: case USER_LIST:
@ -130,38 +144,38 @@ public class Rest extends HttpServlet {
} }
public String handlePost(HttpServletRequest req, HttpServletResponse resp){ public String handlePost(HttpServletRequest req, HttpServletResponse resp){
Object o = req.getSession().getAttribute(USER);
JSONObject json = new JSONObject();
var path = req.getPathInfo();
path = path == null ? INDEX : path.substring(1);
if (o instanceof User user){ var user = Util.getUser(req);
var path = Util.getPath(req);
JSONObject json = new JSONObject();
if (user != null){
json.put(USER,user.safeMap()); json.put(USER,user.safeMap());
var listEmail = req.getParameter(LIST); var list = Util.getMailingList(req);
var userEmail = req.getParameter(EMAIL); var userEmail = req.getParameter(EMAIL);
var permissions = req.getParameter(PERMISSIONS); var permissions = req.getParameter(PERMISSIONS);
switch (path) { switch (path) {
case LIST_DETAIL: case LIST_DETAIL:
json.putAll(listDetail(listEmail,user)); json.putAll(listDetail(list,user));
break; break;
case LIST_DISABLE: case LIST_DISABLE:
json.putAll(enableList(listEmail,user,false)); json.putAll(enableList(list,user,false));
break; break;
case LIST_ENABLE: case LIST_ENABLE:
json.putAll(enableList(listEmail,user,true)); json.putAll(enableList(list,user,true));
break; break;
case LIST_HIDE: case LIST_HIDE:
json.putAll(hideList(listEmail,user,true)); json.putAll(hideList(list,user,true));
break; break;
case LIST_MEMBERS: case LIST_MEMBERS:
json.putAll(listMembers(listEmail,user)); json.putAll(listMembers(list,user));
break; break;
case LIST_SHOW: case LIST_SHOW:
json.putAll(hideList(listEmail,user,false)); json.putAll(hideList(list,user,false));
break; break;
case LIST_TEST: case LIST_TEST:
json.putAll(testList(listEmail,user)); json.putAll(testList(list,user));
break; break;
case USER_ADD_PERMISSION: case USER_ADD_PERMISSION:
if (user.hashPermission(User.PERMISSION_ADMIN)){ if (user.hashPermission(User.PERMISSION_ADMIN)){
@ -189,69 +203,45 @@ public class Rest extends HttpServlet {
} }
} }
private Map listDetail(String listEmail, User user) { private Map<String, String> hideList(MailingList list, User user, boolean hide) {
var ml = MailingList.load(listEmail); if (list == null) return Map.of(ERROR,"no list email provided!");
if (ml == null) return Map.of(ERROR,t("Mailinglist {} unknown",listEmail)); if (!list.mayBeAlteredBy(user)) Map.of(ERROR,t("You are not allowed to edit '{}'",list.email()));
var map = new HashMap<>(); try {
if (ml.hasState(MailingList.STATE_FORWARD_FROM)) map.put("forward_from",true); list.hide(hide);
return map; return Map.of(SUCCESS,t("Mailing list '{}' was {}!",list.email(),hide ? "hidden" : "made public"));
} } catch (SQLException e) {
LOG.error("Failed to (un)hide mailing list: ",e);
private Map<String, Object> listMembers(String listEmail, User user) { return Map.of(ERROR,t("Failed to update list '{}'",list.email()));
if (listEmail == null || listEmail.isBlank()) return Map.of(ERROR,"no list email provided!");
if (user.hashPermission(User.PERMISSION_ADMIN) || ListMember.listsOwnedBy(user).contains(listEmail)) {
try {
var members = ListMember.of(listEmail)
.entrySet()
.stream()
.map(entry -> Map.of(
EMAIL,entry.getKey().email(),
NAME,entry.getKey().name(),
STATE,ListMember.stateText(entry.getValue())
))
.toList();
return Map.of(MEMBERS,members);
} catch (SQLException e) {
LOG.error("Failed to load member list: ",e);
return Map.of("error",t("Failed to load member list '{}'",listEmail));
}
} }
return Map.of("error",t("You are not allowed to list members '{}'",listEmail));
} }
private Map enableList(String listEmail, User user, boolean enable) { private Map listDetail(MailingList list, User user) {
if (listEmail == null || listEmail.isBlank()) return Map.of(ERROR,"no list email provided!"); if (list == null) return Map.of(ERROR,t("Mailinglist {} unknown",list.email()));
if (user.hashPermission(User.PERMISSION_ADMIN) || ListMember.listsOwnedBy(user).contains(listEmail)){ var map = new HashMap<>();
try { if (list.hasState(MailingList.STATE_FORWARD_FROM)) map.put("forward_from",true);
MailingList.load(listEmail).enable(enable); return map;
return Map.of(SUCCESS,t("Mailing list '{}' was {}!",listEmail,enable ? "enabled" : "disabled"));
} catch (SQLException e) {
LOG.error("Failed to enable/disable mailing list: ",e);
return Map.of(ERROR,t("Failed to update list '{}'",listEmail));
}
}
return Map.of(ERROR,t("You are not allowed to edit '{}'",listEmail));
} }
private Map<String, String> hideList(String listEmail, User user, boolean hide) { private Map<String, Object> listMembers(MailingList list, User user) {
if (listEmail == null || listEmail.isBlank()) return Map.of(ERROR,"no list email provided!"); if (list == null) return Map.of(ERROR,"no list email provided!");
if (user.hashPermission(User.PERMISSION_ADMIN) || ListMember.listsOwnedBy(user).contains(listEmail)){ if (!list.membersMayBeListedBy(user)) Map.of(ERROR,t("You are not allowed to list members of '{}'",list.email()));
try { try {
MailingList.load(listEmail).hide(hide); var members = list.members()
return Map.of(SUCCESS,t("Mailing list '{}' was {}!",listEmail,hide ? "hidden" : "made public")); .stream()
} catch (SQLException e) { .map(ListMember::safeMap)
LOG.error("Failed to (un)hide mailing list: ",e); .toList();
return Map.of("error",t("Failed to update list '{}'",listEmail)); return Map.of(MEMBERS,members);
} } catch (SQLException e) {
LOG.error("Failed to load member list: ",e);
return Map.of("error",t("Failed to load member list '{}'",list.email()));
} }
return Map.of(ERROR,t("You are not allowed to edit '{}'",listEmail));
} }
private Map testList(String listEmail, User user) { private Map testList(MailingList list, User user) {
if (listEmail == null || listEmail.isBlank()) return Map.of(ERROR,"no list email provided!"); if (list == null) return Map.of(ERROR,"no list email provided!");
if (!list.mayBeTestedBy(user)) Map.of(ERROR,t("You are not allowed to test '{}'",list.email()));
try { try {
MailingList.load(listEmail).test(user); list.test(user);
return Map.of(SUCCESS,t("Sent test email to {}",user.email())); return Map.of(SUCCESS,t("Sent test email to {}",user.email()));
} catch (Exception e) { } catch (Exception e) {
LOG.warn("Failed to send test email",e); LOG.warn("Failed to send test email",e);

24
src/main/java/de/srsoftware/widerhall/web/Web.java
Unescape View File

@ -25,6 +25,7 @@ public class Web extends TemplateServlet {
private static final String CONFIRM = "confirm"; private static final String CONFIRM = "confirm";
private static final Logger LOG = LoggerFactory.getLogger(Web.class); private static final Logger LOG = LoggerFactory.getLogger(Web.class);
private static final String ADMIN = "admin"; private static final String ADMIN = "admin";
private static final String INSPECT = "inspect";
private static final String LOGIN = "login"; private static final String LOGIN = "login";
private static final String LOGOUT = "logout"; private static final String LOGOUT = "logout";
private static final String REGISTER = "register"; private static final String REGISTER = "register";
@ -245,11 +246,15 @@ public class Web extends TemplateServlet {
} }
private String handlePost(HttpServletRequest req, HttpServletResponse resp) { private String handlePost(HttpServletRequest req, HttpServletResponse resp) {
var path = req.getPathInfo(); final var user = Util.getUser(req);
path = path == null ? INDEX : path.substring(1); final var path = Util.getPath(req);
final var list = Util.getMailingList(req);
switch (path){ switch (path){
case ADD_LIST: case ADD_LIST:
return addList(req,resp); return addList(req,resp);
case INSPECT:
return inspect(req,resp);
case LOGIN: case LOGIN:
return handleLogin(req,resp); return handleLogin(req,resp);
case REGISTER: case REGISTER:
@ -263,8 +268,21 @@ public class Web extends TemplateServlet {
return t("No handler for path {}!",path); return t("No handler for path {}!",path);
} }
private String inspect(HttpServletRequest req, HttpServletResponse resp) {
var o = req.getSession().getAttribute(USER);
if (!(o instanceof User user)) {
return redirectTo(LOGIN,resp);
}
var post = req.getParameterMap();
var listEmail = req.getParameter(LIST);
var list = MailingList.load(listEmail);
if (list == null) return t("{} is does not denote a valid list",listEmail);
if (!list.mayBeAlteredBy(user)) {
}
LOG.debug("POST: {}",post);
return null;
}
private String redirectTo(String page, HttpServletResponse resp) { private String redirectTo(String page, HttpServletResponse resp) {

2
static/templates/login.st
Unescape View File

@ -6,7 +6,7 @@
<script src="js"></script> <script src="js"></script>
<link rel="stylesheet" href="css" /> <link rel="stylesheet" href="css" />
</head> </head>
<body> <body id="login">
«navigation()» «navigation()»
«messages()» «messages()»
<h1>Widerhall login</h1> <h1>Widerhall login</h1>

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