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Use PreparedStatement in all case needed it - #308

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This commit is contained in:
Xephi 2016-01-09 21:30:13 +01:00
parent 2f1338b08b
commit 607380e59c
1 changed files with 12 additions and 8 deletions
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20
src/main/java/fr/xephi/authme/datasource/MySQL.java
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@ -627,15 +627,18 @@ public class MySQL implements DataSource {
public synchronized List<String> autoPurgeDatabase(long until) {
List<String> list = new ArrayList<>();
try (Connection con = getConnection()) {
String sql = "SELECT " + columnName + " FROM " + tableName + " WHERE " + columnLastLogin + "<" + until;
Statement st = con.createStatement();
ResultSet rs = st.executeQuery(sql);
String sql = "SELECT " + columnName + " FROM " + tableName + " WHERE " + columnLastLogin + "<?;";
PreparedStatement st = con.prepareStatement(sql);
st.setLong(1, until);
ResultSet rs = st.executeQuery();
while (rs.next()) {
list.add(rs.getString(columnName));
}
rs.close();
sql = "DELETE FROM " + tableName + " WHERE " + columnLastLogin + "<" + until;
st.executeUpdate(sql);
sql = "DELETE FROM " + tableName + " WHERE " + columnLastLogin + "<?:";
st = con.prepareStatement(sql);
st.setLong(1, until);
st.executeUpdate();
st.close();
} catch (SQLException ex) {
ConsoleLogger.showError(ex.getMessage());
@ -657,9 +660,10 @@ public class MySQL implements DataSource {
ResultSet rs = pst.executeQuery();
if (rs.next()) {
int id = rs.getInt(columnID);
sql = "DELETE FROM xf_user_authenticate WHERE " + columnID + "=" + id;
Statement st = con.createStatement();
st.executeUpdate(sql);
sql = "DELETE FROM xf_user_authenticate WHERE " + columnID + "=?;";
PreparedStatement st = con.prepareStatement(sql);
st.setInt(1, id);
st.executeUpdate();
st.close();
}
rs.close();