X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=functions%2Fdb_prefs.php;h=e753e18609e6a8d3672f390e252f1f91948a7b2c;hb=d8a8203ae65c8a1a1ff4740bee41053f565a0a15;hp=b1e9f520e28665484c9bce0fdc723d7e69b0451e;hpb=b279d7f4cbe4bf7272ce74f531eab693189e0423;p=squirrelmail.git

diff --git a/functions/db_prefs.php b/functions/db_prefs.php
index b1e9f520..e753e186 100644
--- a/functions/db_prefs.php
+++ b/functions/db_prefs.php
@@ -9,15 +9,11 @@
  * This contains functions for manipulating user preferences
  * stored in a database, accessed though the Pear DB layer.
  *
- * To use this instead of the regular prefs.php, create a
- * database as described below, and replace prefs.php
- * with this file.
- *
  * Database:
  * ---------
  *
- * The preferences table should have tree columns:
- *    username   char  \  primary
+ * The preferences table should have three columns:
+ *    user       char  \  primary
  *    prefkey    char  /  key
  *    prefval    blob
  *
@@ -32,6 +28,10 @@
  * $Id$
  */
 
+define('SMDB_UNKNOWN', 0);
+define('SMDB_MYSQL', 1);
+define('SMDB_PGSQL', 2);
+
 require_once('DB.php');
 require_once('../config/config.php');
 
@@ -69,24 +69,44 @@ function cachePrefValues($username) {
 
 class dbPrefs {
     var $table = 'userprefs';
+    var $user_field = 'user';
+    var $key_field = 'prefkey';
+    var $val_field = 'prefval';
 
     var $dbh   = NULL;
     var $error = NULL;
+    var $db_type = SMDB_UNKNOWN;
 
     var $default = Array('chosen_theme' => '../themes/default_theme.php',
                          'show_html_default' => '0');
 
     function open() {
         global $prefs_dsn, $prefs_table;
+        global $prefs_user_field, $prefs_key_field, $prefs_val_field;
 
         if(isset($this->dbh)) {
             return true;
         }
 
+        if (preg_match('/^mysql/', $prefs_dsn)) {
+            $this->db_type = SMDB_MYSQL;
+        } elseif (preg_match('/^pgsql/', $prefs_dsn)) {
+            $this->db_type = SMDB_PGSQL;
+        }
+
         if (!empty($prefs_table)) {
             $this->table = $prefs_table;
         }
-        $dbh = DB::connect($prefs_dsn);
+        if (!empty($prefs_user_field)) {
+            $this->user_field = $prefs_user_field;
+        }
+        if (!empty($prefs_key_field)) {
+            $this->key_field = $prefs_key_field;
+        }
+        if (!empty($prefs_val_field)) {
+            $this->val_field = $prefs_val_field;
+        }
+        $dbh = DB::connect($prefs_dsn, true);
 
         if(DB::isError($dbh) || DB::isWarning($dbh)) {
             $this->error = DB::errorMessage($dbh);
@@ -131,9 +151,11 @@ class dbPrefs {
         if (!$this->open()) {
             return false;
         }
-        $query = sprintf("DELETE FROM %s WHERE user='%s' AND prefkey='%s'",
+        $query = sprintf("DELETE FROM %s WHERE %s='%s' AND %s='%s'",
                          $this->table,
+                         $this->user_field,
                          $this->dbh->quoteString($user),
+                         $this->key_field,
                          $this->dbh->quoteString($key));
 
         $res = $this->dbh->simpleQuery($query);
@@ -154,16 +176,71 @@ class dbPrefs {
         if (!$this->open()) {
             return false;
         }
-        $query = sprintf("REPLACE INTO %s (user,prefkey,prefval) ".
-                         "VALUES('%s','%s','%s')",
-                         $this->table,
-                         $this->dbh->quoteString($user),
-                         $this->dbh->quoteString($key),
-                         $this->dbh->quoteString($value));
-
-        $res = $this->dbh->simpleQuery($query);
-        if(DB::isError($res)) {
-            $this->failQuery($res);
+        if ($this->db_type == SMDB_MYSQL) {
+            $query = sprintf("REPLACE INTO %s (%s, %s, %s) ".
+                             "VALUES('%s','%s','%s')",
+                             $this->table,
+                             $this->user_field,
+                             $this->key_field,
+                             $this->val_field,
+                             $this->dbh->quoteString($user),
+                             $this->dbh->quoteString($key),
+                             $this->dbh->quoteString($value));
+
+            $res = $this->dbh->simpleQuery($query);
+            if(DB::isError($res)) {
+                $this->failQuery($res);
+            }
+        } elseif ($this->db_type == SMDB_PGSQL) {
+            $this->dbh->simpleQuery("BEGIN TRANSACTION");
+            $query = sprintf("DELETE FROM %s WHERE %s='%s' AND %s='%s'",
+                             $this->table,
+                             $this->user_field,
+                             $this->dbh->quoteString($user),
+                             $this->key_field,
+                             $this->dbh->quoteString($key));
+            $res = $this->dbh->simpleQuery($query);
+            if (DB::isError($res)) {
+                $this->dbh->simpleQuery("ROLLBACK TRANSACTION");
+                $this->failQuery($res);
+            }
+            $query = sprintf("INSERT INTO %s (%s, %s, %s) VALUES ('%s', '%s', '%s')",
+                             $this->table,
+                             $this->user_field,
+                             $this->key_field,
+                             $this->val_field,
+                             $this->dbh->quoteString($user),
+                             $this->dbh->quoteString($key),
+                             $this->dbh->quoteString($value));
+            $res = $this->dbh->simpleQuery($query);
+            if (DB::isError($res)) {
+                $this->dbh->simpleQuery("ROLLBACK TRANSACTION");
+                $this->failQuery($res);
+            }
+            $this->dbh->simpleQuery("COMMIT TRANSACTION");
+        } else {
+            $query = sprintf("DELETE FROM %s WHERE %s='%s' AND %s='%s'",
+                             $this->table,
+                             $this->user_field,
+                             $this->dbh->quoteString($user),
+                             $this->key_field,
+                             $this->dbh->quoteString($key));
+            $res = $this->dbh->simpleQuery($query);
+            if (DB::isError($res)) {
+                $this->failQuery($res);
+            }
+            $query = sprintf("INSERT INTO %s (%s, %s, %s) VALUES ('%s', '%s', '%s')",
+                             $this->table,
+                             $this->user_field,
+                             $this->key_field,
+                             $this->val_field,
+                             $this->dbh->quoteString($user),
+                             $this->dbh->quoteString($key),
+                             $this->dbh->quoteString($value));
+            $res = $this->dbh->simpleQuery($query);
+            if (DB::isError($res)) {
+                $this->failQuery($res);
+            }
         }
 
         return true;
@@ -177,9 +254,12 @@ class dbPrefs {
         }
 
         $prefs_cache = array();
-        $query = sprintf("SELECT prefkey, prefval FROM %s ".
-                         "WHERE user = '%s'",
+        $query = sprintf("SELECT %s as prefkey, %s as prefval FROM %s ".
+                         "WHERE %s = '%s'",
+                         $this->key_field,
+                         $this->val_field,
                          $this->table,
+                         $this->user_field,
                          $this->dbh->quoteString($user));
         $res = $this->dbh->query($query);
         if (DB::isError($res)) {
@@ -200,10 +280,16 @@ class dbPrefs {
         if (!$this->open()) {
             return;
         }
-        $query = sprintf("SELECT * FROM %s WHERE user='%s' ".
-                         "AND prefkey LIKE 'highlight%%' ORDER BY prefkey",
+        $query = sprintf("SELECT %s, %s as prefkey, %s as prefval FROM %s WHERE %s='%s' ".
+                         "AND %s LIKE 'highlight%%' ORDER BY %s",
+                         $this->user_field,
+                         $this->key_field,
+                         $this->val_field,
                          $this->table,
-                         $this->dbh->quoteString($user));
+                         $this->user_field,
+                         $this->dbh->quoteString($user),
+                         $this->key_field,
+                         $this->key_field);
 
         $res = $this->dbh->query($query);
         if(DB::isError($res)) {
@@ -224,11 +310,14 @@ class dbPrefs {
             $hilinum++;
 
             if($oldkey != $newkey) {
-                $query = sprintf("UPDATE %s SET prefkey='%s' ".
-                                 "WHERE user ='%s' AND prefkey='%s'",
+                $query = sprintf("UPDATE %s SET %s='%s' ".
+                                 "WHERE %s ='%s' AND %s='%s'",
                                  $this->table,
+                                 $this->key_field,
                                  $this->dbh->quoteString($newkey),
+                                 $this->user_field,
                                  $this->dbh->quoteString($user),
+                                 $this->key_field,
                                  $this->dbh->quoteString($oldkey));
 
                 $res = $this->dbh->simpleQuery($query);
@@ -303,24 +392,24 @@ function checkForPrefs($data_dir, $username) {
 }
 
 /* Writes the Signature */
-function setSig($data_dir, $username, $string) {
-    $db = new dbPrefs;
-    if(isset($db->error)) {
-        $db->failQuery();
+function setSig($data_dir, $username, $number, $string) {
+    if ($number == "g") {
+        $key = '___signature___';
+    } else {
+        $key = sprintf('___sig%s___', $number);
     }
-
-    $db->setKey($username, '___signature___', $string);
+    setPref($data_dir, $username, $key, $string);
     return;
 }
 
 /* Gets the signature */
-function getSig($data_dir, $username) {
-    $db = new dbPrefs;
-    if(isset($db->error)) {
-        $db->failQuery();
+function getSig($data_dir, $username, $number) {
+    if ($number == "g") {
+        $key = '___signature___';
+    } else {
+        $key = sprintf('___sig%d___', $number);
     }
-
-    return $db->getKey($username, '___signature___');
+    return getPref($data_dir, $username, $key);
 }
 
 ?>