From 91a07facc6e4417810cebbfe017a4ac167ac13b1 Mon Sep 17 00:00:00 2001
From: Alexander Alexeev
Date: Sat, 26 Nov 2016 04:34:57 +0700
Subject: some improvenments on user service

---
 .../java/com/juick/service/UserServiceImpl.java    | 56 ++++++++++++++--------
 .../src/main/java/com/juick/util/UserUtils.java    |  5 ++
 2 files changed, 40 insertions(+), 21 deletions(-)

(limited to 'juick-server')

diff --git a/juick-server/src/main/java/com/juick/service/UserServiceImpl.java b/juick-server/src/main/java/com/juick/service/UserServiceImpl.java
index a84f2fc3..2bdc4d41 100644
--- a/juick-server/src/main/java/com/juick/service/UserServiceImpl.java
+++ b/juick-server/src/main/java/com/juick/service/UserServiceImpl.java
@@ -1,7 +1,6 @@
 package com.juick.service;
 
 import com.juick.User;
-import com.juick.server.UserQueries;
 import com.juick.server.helpers.Auth;
 import com.juick.server.helpers.EmailOpts;
 import com.juick.server.helpers.UserInfo;
@@ -112,30 +111,39 @@ public class UserServiceImpl extends BaseJdbcService implements UserService {
         List<User> list = getJdbcTemplate().query(
                 "SELECT id, nick,banned FROM users WHERE id = ?", new UserMapper(), uid);
 
-        return list.isEmpty() ?
-                Optional.empty() : Optional.of(list.get(0));
+        return list.isEmpty() ? Optional.empty() : Optional.of(list.get(0));
     }
 
     @Transactional(readOnly = true)
     @Override
     public User getUserByName(final String username) {
-        List<User> list = getJdbcTemplate().query(
-                "SELECT id, nick, banned FROM users WHERE nick = ?", new UserMapper(), username);
+        User result = null;
+
+        if (StringUtils.isNotBlank(username)) {
+            List<User> list = getJdbcTemplate().query(
+                    "SELECT id, nick, banned FROM users WHERE nick = ?", new UserMapper(), username);
 
-        return list.isEmpty() ?
-                null : list.get(0);
+            if (!list.isEmpty())
+                result = list.get(0);
+        }
+        return result;
     }
 
     @Transactional(readOnly = true)
     @Override
     public User getUserByJID(final String jid) {
-        List<User> list = getJdbcTemplate().query(
-                "SELECT id, nick, banned FROM users WHERE id = (SELECT user_id FROM jids WHERE jid = ?)",
-                new UserMapper(),
-                jid);
+        User result = null;
+
+        if (StringUtils.isNotBlank(jid)) {
+            List<User> list = getJdbcTemplate().query(
+                    "SELECT id, nick, banned FROM users WHERE id = (SELECT user_id FROM jids WHERE jid = ?)",
+                    new UserMapper(),
+                    jid);
 
-        return list.isEmpty() ?
-                null : list.get(0);
+            if (!list.isEmpty())
+                result = list.get(0);
+        }
+        return result;
     }
 
     @Transactional(readOnly = true)
@@ -276,16 +284,22 @@ public class UserServiceImpl extends BaseJdbcService implements UserService {
     @Override
     public int checkPassword(final String username, final String password) {
         if (StringUtils.isNotBlank(username)) {
-            List<String> list = getJdbcTemplate().queryForList(
-                    "SELECT passw FROM users WHERE nick = ?", String.class, username);
+            List<User> list = getJdbcTemplate().query(
+                    "SELECT id, nick, banned, passw FROM users WHERE nick = ?",
+                    (rs, rowNum) -> {
+                        User user = new User();
+                        user.setUid(rs.getInt(1));
+                        user.setName(rs.getString(2));
+                        user.setBanned(rs.getBoolean(3));
+                        user.setCredentials(rs.getString(4));
+                        return user;
+                    },
+                    username);
 
             if (!list.isEmpty()) {
-                String realPassword = list.get(0);
-                if (realPassword.equals(password)) {
-                    User user = getUserByName(username);
-                    if (user != null)
-                        return user.getUid();
-                }
+                User user = list.get(0);
+                if (Objects.equals(password, user.getCredentials()))
+                    return user.getUid();
             }
         }
         return -1;
diff --git a/juick-server/src/main/java/com/juick/util/UserUtils.java b/juick-server/src/main/java/com/juick/util/UserUtils.java
index 611a3b15..372dd502 100644
--- a/juick-server/src/main/java/com/juick/util/UserUtils.java
+++ b/juick-server/src/main/java/com/juick/util/UserUtils.java
@@ -1,5 +1,6 @@
 package com.juick.util;
 
+import java.security.Principal;
 import java.util.Random;
 
 /**
@@ -24,4 +25,8 @@ public class UserUtils {
     public static boolean checkUserNameValid(final String uname) {
         return uname != null && uname.length() >= 2 && uname.length() <= 16 && uname.matches("[a-zA-Z0-9\\-]+");
     }
+
+    public static String getUsername(final Principal principal, final String defaultUsername) {
+        return principal == null ? defaultUsername : principal.getName();
+    }
 }
-- 
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