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#!/usr/bin/perl
#
# --- BEGIN COPYRIGHT BLOCK ---
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright (C) 2007 Red Hat, Inc.
# All rights reserved.
# --- END COPYRIGHT BLOCK ---
#
#
#
#
package PKI::Base::PinStore;
use DBI;
use PKI::Base::TimeTool;
#######################################
# Constructs a request queue
#######################################
sub new {
my $self = {};
bless ($self);
return $self;
}
#######################################
# Opens request queue
#######################################
sub open {
my ($self, $cfg) = @_;
$self->{cfg} = $cfg;
my $dbfile = $cfg->get("database.dbfile");
$self->{dbh} = DBI->connect("dbi:SQLite:dbname=$dbfile","","");
}
#######################################
# Creates a new request
#######################################
sub generate_random
{
my $low = $_[0];
my $high = $_[1];
my $number = 0;
if( $low >= $high || $low < 0 || $high < 0 ) {
return -1;
}
$number = int( rand( $high -$low +1 ) ) + $low;
return $number;
}
# arg0 length of string
# return random string
sub generate_random_string()
{
my $length_of_randomstring=shift; # the length of the string
my @chars=( 'a'..'z','A'..'Z','0'..'9' );
my $random_string;
foreach( 1..$length_of_randomstring ) {
$random_string .= $chars[rand @chars];
}
return $random_string;
}
sub create_pin {
my ($self, $key, $rid, $created_by) = @_;
my $dbh = $self->{dbh};
my $pin = &generate_random_string(10);
my $timet = PKI::Base::TimeTool->new();
my $now = $timet->get_time();
# delete previous pin
my $delete = "delete from pins where key=" . $dbh->quote($key);
$dbh->do($delete);
my $insert = "insert into pins (" .
"key" . "," .
"pin" . "," .
"rid" . "," .
"created_by" . "," .
"created_at" .
") values (" .
$dbh->quote($key) . "," .
$dbh->quote($pin) . "," .
$dbh->quote($rid) . "," .
$dbh->quote($created_by) . "," .
$dbh->quote($now) .
")";
REDO_CREATE_PIN:
eval {
$dbh->do($insert);
};
if ($dbh->err == 5) {
sleep(1);
goto REDO_CREATE_PIN;
}
my $rid = $dbh->func('last_insert_rowid');
# my $ref = $self->read_pin($rid);
return $pin;
}
#######################################
# Matches pin
#######################################
sub match {
my ($self, $key, $pin) = @_;
my $dbh = $self->{dbh};
my $select = "select * from pins " .
"where " .
"key=" . $dbh->quote($key) . " AND " .
"pin=" . $dbh->quote($pin);
my $sth = $dbh->prepare($select);
$sth->execute();
my $ref = $sth->fetchrow_hashref();
$sth->finish();
if (defined($ref)) {
return 1;
} else {
return 0;
}
}
sub read_pin {
my ($self, $key) = @_;
my $dbh = $self->{dbh};
my $select = "select * from pins " .
"where " .
"key=" . $dbh->quote($key);
my $sth = $dbh->prepare($select);
$sth->execute();
my $ref = $sth->fetchrow_hashref();
$sth->finish();
return $ref;
}
#######################################
# Deletes pin
#######################################
sub delete {
my ($self, $key) = @_;
my $dbh = $self->{dbh};
my $cmd = "delete from pins " .
"where " .
"key=" . $dbh->quote($key);
$dbh->do($cmd);
}
#######################################
# Closes request queue
#######################################
sub close {
my ($self) = @_;
my $dbh = $self->{dbh};
$dbh->disconnect();
}
1;
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