Allow searching by IP and email in staff user search

This involves temporarily decrypting all values being searched and
inserting them into a temporary table. Creation of this table can be
very slow when IP history is optionally searched. It might be better to
not make the temp table and just do the IP filtering from PHP.

Fixes #2

sections/schedule/manually/update_geodist.php

 while(list($EncIP) = $DB->next_record()) {
   $IPs[] = DBCrypt::decrypt($EncIP);
 }
-$DB->query("CREATE TEMPORARY TABLE user_ips_decrypted (IP VARCHAR(45) NOT NULL)");
-$DB->query("INSERT INTO user_ips_decrypted (IP) VALUES('".implode("'),('", $IPs)."')");
+$DB->query("CREATE TEMPORARY TABLE users_ips_decrypted (IP VARCHAR(45) NOT NULL)");
+$DB->query("INSERT INTO users_ips_decrypted (IP) VALUES('".implode("'),('", $IPs)."')");
 $DB->query("TRUNCATE TABLE users_geodistribution");
 $DB->query("
   INSERT INTO users_geodistribution
     (Code, Users)
   SELECT g.Code, COUNT(u.IP) AS Users
   FROM geoip_country AS g
-    JOIN user_ips_decrypted AS u ON INET_ATON(u.IP) BETWEEN g.StartIP AND g.EndIP
+    JOIN users_ips_decrypted AS u ON INET_ATON(u.IP) BETWEEN g.StartIP AND g.EndIP
   GROUP BY g.Code
   ORDER BY Users DESC");
-$DB->query("DROP TABLE user_ips_decrypted");
+$DB->query("DROP TABLE users_ips_decrypted");
 $Cache->delete_value('geodistribution');
 ?>

sections/user/advancedsearch.php

     if (!empty($_GET['email'])) {
       if (isset($_GET['email_history'])) {
         $Distinct = 'DISTINCT ';
-        $Join['he'] = ' JOIN users_history_emails AS he ON he.UserID = um1.ID ';
-        $Where[] = ' he.Email '.$Match.wrap($_GET['email']);
-      } else {
-        $Where[] = 'um1.Email'.$Match.wrap($_GET['email']);
       }
+      $Join['the'] = ' JOIN users_emails_decrypted AS he ON he.ID = um1.ID ';
+      $Where[] = ' he.Email '.$Match.wrap($_GET['email']);
     }
 
     if (!empty($_GET['email_cnt']) && is_number($_GET['email_cnt'])) {
     if (!empty($_GET['ip'])) {
       if (isset($_GET['ip_history'])) {
         $Distinct = 'DISTINCT ';
-        $Join['hi'] = ' JOIN users_history_ips AS hi ON hi.UserID = um1.ID ';
-        $Where[] = ' hi.IP '.$Match.wrap($_GET['ip'], '', true);
-      } else {
-        $Where[] = 'um1.IP'.$Match.wrap($_GET['ip'], '', true);
       }
+      $Join['tip'] = ' JOIN users_ips_decrypted AS tip ON tip.ID = um1.ID ';
+      $Where[] = ' tip.IP '.$Match.wrap($_GET['ip'], '', true);
     }
 
 
     if ($_GET['disabled_ip']) {
       $Distinct = 'DISTINCT ';
       if ($_GET['ip_history']) {
-        if (!isset($Join['hi'])) {
-          $Join['hi'] = ' JOIN users_history_ips AS hi ON hi.UserID = um1.ID ';
+        if (!isset($Join['tip'])) {
+          $Join['tip'] = ' JOIN users_ips_decrypted AS tip ON tip.ID = um1.ID ';
         }
-        $Join['hi2'] = ' JOIN users_history_ips AS hi2 ON hi2.IP = hi.IP ';
-        $Join['um2'] = ' JOIN users_main AS um2 ON um2.ID = hi2.UserID AND um2.Enabled = \'2\' ';
+        $Join['tip2'] = ' JOIN users_ips_decrypted2 AS tip2 ON tip2.IP = tip.IP ';
+        $Join['um2'] = ' JOIN users_main AS um2 ON um2.ID = tip2.ID AND um2.Enabled = \'2\' ';
       } else {
         $Join['um2'] = ' JOIN users_main AS um2 ON um2.IP = um1.IP AND um2.Enabled = \'2\' ';
       }
 </div>
 <?
 if ($RunQuery) {
+  if (!empty($_GET['ip'])) {
+    if (isset($_GET['ip_history'])) {
+      $DB->query("SELECT UserID, IP FROM users_history_ips");
+    } else {
+      $DB->query("SELECT ID, IP FROM users_main");
+    }
+    while(list($ID, $EncIP) = $DB->next_record()) {
+      $IPs[] = $ID.", '".DBCrypt::decrypt($EncIP)."'";
+    }
+    $DB->query("CREATE TEMPORARY TABLE users_ips_decrypted (ID INT(10) UNSIGNED NOT NULL, IP VARCHAR(45) NOT NULL, PRIMARY KEY (ID,IP)) ENGINE=MEMORY");
+    $DB->query("INSERT IGNORE INTO users_ips_decrypted (ID, IP) VALUES(".implode("),(", $IPs).")");
+    if ($_GET['disabled_ip'] && $_GET['ip_history']) {
+      $DB->query("CREATE TEMPORARY TABLE users_ips_decrypted2 SELECT * FROM users_ips_decrypted");
+    }
+  }
+  if (!empty($_GET['email'])) {
+    if (isset($_GET['email_history'])) {
+      $DB->query("SELECT UserID, Email FROM users_history_emails");
+    } else {
+      $DB->query("SELECT ID, Email FROM users_main");
+    }
+    while(list($ID, $EncEmail) = $DB->next_record()) {
+      $Emails[] = $ID.", '".DBCrypt::decrypt($EncEmail)."'";
+    }
+    $DB->query("CREATE TEMPORARY TABLE users_emails_decrypted (ID INT(10) UNSIGNED NOT NULL, Email VARCHAR(255) NOT NULL, PRIMARY KEY (ID,Email)) ENGINE=MEMORY");
+    $DB->query("INSERT IGNORE INTO users_emails_decrypted (ID, Email) VALUES(".implode("),(", $Emails).")");
+  }
   $Results = $DB->query($SQL);
   $DB->query('SELECT FOUND_ROWS()');
   list($NumResults) = $DB->next_record();
+  if (!empty($_GET['ip'])) {
+    $DB->query("DROP TABLE users_ips_decrypted");
+  }
+  if (!empty($_GET['email'])) {
+    $DB->query("DROP TABLE users_emails_decrypted");
+  }
   $DB->set_query_id($Results);
 } else {
   $DB->query('SET @nothing = 0');