/usr/share/perl5/Bot/BasicBot/Pluggable/Store/DBI.pm is in libbot-basicbot-pluggable-perl 1.20-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 | package Bot::BasicBot::Pluggable::Store::DBI;
$Bot::BasicBot::Pluggable::Store::DBI::VERSION = '1.20';
use warnings;
use strict;
use Carp qw( croak );
use Data::Dumper;
use DBI;
use Storable qw( nfreeze thaw );
use Try::Tiny;
use base qw( Bot::BasicBot::Pluggable::Store );
sub init {
my $self = shift;
$self->{dsn} ||= 'dbi:SQLite:bot-basicbot.sqlite';
$self->{table} ||= 'basicbot';
$self->create_table;
}
sub dbh {
my $self = shift;
my $dsn = $self->{dsn} or die "I need a DSN";
my $user = $self->{user};
my $password = $self->{password};
return DBI->connect_cached( $dsn, $user, $password );
}
sub create_table {
my $self = shift;
my $table = $self->{table} or die "Need DB table";
my $sth = $self->dbh->table_info( '', '', $table, "TABLE" );
$table = $self->dbh->quote_identifier($table);
if ( !$sth->fetch ) {
$self->dbh->do(
"CREATE TABLE $table (
id INT PRIMARY KEY,
namespace TEXT,
store_key TEXT,
store_value LONGBLOB )"
);
if ( $self->{create_index} ) {
try {
$self->dbh->do(
"CREATE INDEX lookup ON $table ( namespace(10), store_key(10) )"
);
};
}
}
}
sub get {
my ( $self, $namespace, $key ) = @_;
my $table = $self->{table} or die "Need DB table";
$table = $self->dbh->quote_identifier($table);
my $sth = $self->dbh->prepare_cached(
"SELECT store_value FROM $table WHERE namespace=? and store_key=?");
$sth->execute( $namespace, $key );
my $row = $sth->fetchrow_arrayref;
$sth->finish;
return unless $row and @$row;
return try { thaw( $row->[0] ) } catch { $row->[0] };
}
sub set {
my ( $self, $namespace, $key, $value ) = @_;
my $table = $self->{table} or die "Need DB table";
$table = $self->dbh->quote_identifier($table);
$value = nfreeze($value) if ref($value);
if ( defined( $self->get( $namespace, $key ) ) ) {
my $sth = $self->dbh->prepare_cached(
"UPDATE $table SET store_value=? WHERE namespace=? AND store_key=?"
);
$sth->execute( $value, $namespace, $key );
$sth->finish;
}
else {
my $sth = $self->dbh->prepare_cached(
"INSERT INTO $table (id, store_value, namespace, store_key) VALUES (?, ?, ?, ?)"
);
$sth->execute( $self->new_id($table), $value, $namespace, $key );
$sth->finish;
}
return $self;
}
sub unset {
my ( $self, $namespace, $key ) = @_;
my $table = $self->{table} or die "Need DB table";
$table = $self->dbh->quote_identifier($table);
my $sth = $self->dbh->prepare_cached(
"DELETE FROM $table WHERE namespace=? and store_key=?");
$sth->execute( $namespace, $key );
$sth->finish;
}
sub new_id {
my $self = shift;
my $table = shift;
my $sth = $self->dbh->prepare_cached("SELECT MAX(id) FROM $table");
$sth->execute();
my $id = $sth->fetchrow_arrayref->[0] || "0";
$sth->finish();
return $id + 1;
}
sub keys {
my ( $self, $namespace, %opts ) = @_;
my $table = $self->{table} or die "Need DB table";
$table = $self->dbh->quote_identifier($table);
my @res = ( exists $opts{res} ) ? @{ $opts{res} } : ();
my $sql = "SELECT store_key FROM $table WHERE namespace=?";
my @args = ($namespace);
foreach my $re (@res) {
my $orig = $re;
# h-h-h-hack .... convert to SQL and limit terms if too general
$re = "%$re" if $re !~ s!^\^!!;
$re = "$re%" if $re !~ s!\$$!!;
$re = "${namespace}_${re}" if $orig =~ m!^[^\^].*[^\$]$!;
$sql .= " AND store_key LIKE ?";
push @args, $re;
}
if ( exists $opts{limit} ) {
$sql .= " LIMIT ?";
push @args, $opts{limit};
}
my $sth = $self->dbh->prepare_cached($sql);
$sth->execute(@args);
return $sth->rows if $opts{_count_only};
my @keys = map { $_->[0] } @{ $sth->fetchall_arrayref };
$sth->finish;
return @keys;
}
sub namespaces {
my ($self) = @_;
my $table = $self->{table} or die "Need DB table";
$table = $self->dbh->quote_identifier($table);
my $sth =
$self->dbh->prepare_cached("SELECT DISTINCT namespace FROM $table");
$sth->execute();
my @keys = map { $_->[0] } @{ $sth->fetchall_arrayref };
$sth->finish;
return @keys;
}
1;
__END__
=head1 NAME
Bot::BasicBot::Pluggable::Store::DBI - use DBI to provide a storage backend
=head1 VERSION
version 1.20
=head1 SYNOPSIS
my $store = Bot::BasicBot::Pluggable::Store::DBI->new(
dsn => "dbi:mysql:bot",
user => "user",
password => "password",
table => "brane",
# create indexes on key/values?
create_index => 1,
);
$store->set( "namespace", "key", "value" );
=head1 DESCRIPTION
This is a L<Bot::BasicBot::Pluggable::Store> that uses a database to store
the values set by modules. Complex values are stored using Storable.
=head1 AUTHOR
Mario Domgoergen <mdom@cpan.org>
This program is free software; you can redistribute it
and/or modify it under the same terms as Perl itself.
|