From 2af58c77572fbc32c1c617764ebdd0252be24292 Mon Sep 17 00:00:00 2001
From: Marius Cramer <m.cramer@pixcept.de>
Date: Tue, 14 Apr 2015 12:54:42 -0400
Subject: [PATCH] - finished rewriting of sql statements

---
 interface/lib/classes/db_mysql.inc.php |   28 ++++++++++++++++++++--------
 1 files changed, 20 insertions(+), 8 deletions(-)

diff --git a/interface/lib/classes/db_mysql.inc.php b/interface/lib/classes/db_mysql.inc.php
index 59dcff8..f5de1e6 100644
--- a/interface/lib/classes/db_mysql.inc.php
+++ b/interface/lib/classes/db_mysql.inc.php
@@ -626,20 +626,26 @@
 		if(is_array($insert_data)) {
 			$key_str = '';
 			$val_str = '';
+			$params = array($tablename);
+			$v_params = array();
 			foreach($insert_data as $key => $val) {
-				$key_str .= "`".$key ."`,";
-				$val_str .= "'".$this->escape($val)."',";
+				$key_str .= '??,'
+				$params[] = $key;
+				
+				$val_str .= '?,';
+				$v_params[] = $val;
 			}
 			$key_str = substr($key_str, 0, -1);
 			$val_str = substr($val_str, 0, -1);
 			$insert_data_str = '('.$key_str.') VALUES ('.$val_str.')';
+			$this->query("INSERT INTO ?? $insert_data_str", true, $params + $v_params);
 		} else {
+			/* TODO: deprecate this method! */
 			$insert_data_str = $insert_data;
+			$this->query("INSERT INTO ?? $insert_data_str", $tablename);
 		}
-		/* TODO: reduce risk of insert_data_str! */
-
+		
 		$old_rec = array();
-		$this->query("INSERT INTO ?? $insert_data_str", $tablename);
 		$index_value = $this->insertID();
 		$new_rec = $this->queryOneRecord("SELECT * FROM ?? WHERE ? = ?", $tablename, $index_field, $index_value);
 		$this->datalogSave($tablename, 'INSERT', $index_field, $index_value, $old_rec, $new_rec);
@@ -658,17 +664,23 @@
 		$old_rec = $this->queryOneRecord("SELECT * FROM ?? WHERE ?? = ?", $tablename, $index_field, $index_value);
 
 		if(is_array($update_data)) {
+			$params = array($tablename);
 			$update_data_str = '';
 			foreach($update_data as $key => $val) {
-				$update_data_str .= "`".$key ."` = '".$this->escape($val)."',";
+				$update_data_str .= '?? = ?,';
+				$params[] = $key;
+				$params[] = $val;
 			}
+			$params[] = $index_field;
+			$params[] = $index_value;
 			$update_data_str = substr($update_data_str, 0, -1);
+			$this->query("UPDATE ?? SET $update_data_str WHERE ?? = ?", true, $params);
 		} else {
+			/* TODO: deprecate this method! */
 			$update_data_str = $update_data;
+			$this->query("UPDATE ?? SET $update_data_str WHERE ?? = ?", $tablename, $index_field, $index_value);
 		}
-		/* TODO: reduce risk of update_data_str */
 
-		$this->query("UPDATE ?? SET $update_data_str WHERE ?? = ?", $tablename, $index_field, $index_value);
 		$new_rec = $this->queryOneRecord("SELECT * FROM ?? WHERE ?? = ?", $tablename, $index_field, $index_value);
 		$this->datalogSave($tablename, 'UPDATE', $index_field, $index_value, $old_rec, $new_rec, $force_update);
 

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