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| 1 : | sh002i | 798 | ################################################################################ |
| 2 : | # WeBWorK mod_perl (c) 2000-2002 WeBWorK Project | ||
| 3 : | # $Id$ | ||
| 4 : | ################################################################################ | ||
| 5 : | |||
| 6 : | package WeBWorK::DB::Schema::Auth1Hash; | ||
| 7 : | sh002i | 1167 | use base qw(WeBWorK::DB::Schema); |
| 8 : | sh002i | 798 | |
| 9 : | =head1 NAME | ||
| 10 : | |||
| 11 : | WeBWorK::DB::Schema::Auth1Hash - support access to the password, permission, | ||
| 12 : | sh002i | 808 | and key tables with a WWDBv1 hash-style backend. |
| 13 : | sh002i | 798 | |
| 14 : | =cut | ||
| 15 : | |||
| 16 : | use strict; | ||
| 17 : | use warnings; | ||
| 18 : | |||
| 19 : | use constant TABLES => qw(password permission key); | ||
| 20 : | use constant STYLE => "hash"; | ||
| 21 : | |||
| 22 : | ################################################################################ | ||
| 23 : | # table access functions | ||
| 24 : | # Auth1Hash provides access to three tables, so it checks the $self->{table} | ||
| 25 : | # field to know what data its dealing with. | ||
| 26 : | ################################################################################ | ||
| 27 : | |||
| 28 : | sh002i | 1568 | sub list { |
| 29 : | sh002i | 808 | my ($self, @keyparts) = @_; |
| 30 : | my ($matchUserID) = @keyparts; | ||
| 31 : | sh002i | 798 | $self->{driver}->connect("ro"); |
| 32 : | my @keys = keys %{ $self->{driver}->hash() }; | ||
| 33 : | $self->{driver}->disconnect(); | ||
| 34 : | sh002i | 808 | if (defined $matchUserID) { |
| 35 : | @keys = grep { $_ eq $matchUserID } @keys; | ||
| 36 : | } | ||
| 37 : | return map { [$_] } @keys; | ||
| 38 : | sh002i | 798 | } |
| 39 : | |||
| 40 : | sh002i | 1568 | sub exists { |
| 41 : | sh002i | 798 | my ($self, $userID) = @_; |
| 42 : | $self->{driver}->connect("ro"); | ||
| 43 : | sh002i | 1167 | my $result; |
| 44 : | if (defined $userID) { | ||
| 45 : | $result = exists $self->{driver}->hash()->{$userID}; | ||
| 46 : | } else { | ||
| 47 : | $result = keys %{$self->{driver}->hash()} ? 1 : 0; | ||
| 48 : | } | ||
| 49 : | sh002i | 798 | $self->{driver}->disconnect(); |
| 50 : | sh002i | 1167 | return $result; |
| 51 : | sh002i | 798 | } |
| 52 : | |||
| 53 : | sh002i | 1568 | sub add { |
| 54 : | sh002i | 798 | my ($self, $Record) = @_; |
| 55 : | my $valueName = $self->{table}; | ||
| 56 : | $self->{driver}->connect("rw"); | ||
| 57 : | my $hash = $self->{driver}->hash(); | ||
| 58 : | die $Record->user_id, ": $valueName exists" | ||
| 59 : | if exists $hash->{$Record->user_id}; | ||
| 60 : | if ($self->{table} eq "key") { | ||
| 61 : | # key's value contains two fields | ||
| 62 : | $hash->{$Record->user_id} = $Record->key() . " " . $Record->timestamp(); | ||
| 63 : | } else { | ||
| 64 : | $hash->{$Record->user_id} = $Record->$valueName(); | ||
| 65 : | } | ||
| 66 : | $self->{driver}->disconnect(); | ||
| 67 : | } | ||
| 68 : | |||
| 69 : | sh002i | 1568 | sub get { |
| 70 : | sh002i | 798 | my ($self, $userID) = @_; |
| 71 : | sh002i | 1568 | # $self->{driver}->connect("ro"); |
| 72 : | # my $value = $self->{driver}->hash()->{$userID}; | ||
| 73 : | # $self->{driver}->disconnect(); | ||
| 74 : | # return undef unless defined $value; | ||
| 75 : | # if ($self->{table} eq "key") { | ||
| 76 : | # # key's value contains two fields | ||
| 77 : | # my ($key, $timestamp) = $value =~ m/^(\S+)\s+(.*)$/; | ||
| 78 : | # return $self->{record}->new( | ||
| 79 : | # user_id => $userID, | ||
| 80 : | # key => $key, | ||
| 81 : | # timestamp => $timestamp, | ||
| 82 : | # ); | ||
| 83 : | # } else { | ||
| 84 : | # return $self->{record}->new( | ||
| 85 : | # user_id => $userID, | ||
| 86 : | # $self->{table} => $value, | ||
| 87 : | # ); | ||
| 88 : | # } | ||
| 89 : | sh002i | 1569 | my @results = |
| 90 : | return ($self->gets($userID))[0]; | ||
| 91 : | sh002i | 1568 | } |
| 92 : | |||
| 93 : | sub gets { | ||
| 94 : | my ($self, @userIDs) = @_; | ||
| 95 : | sh002i | 798 | $self->{driver}->connect("ro"); |
| 96 : | sh002i | 1568 | my @records; |
| 97 : | foreach my $userID (@userIDs) { | ||
| 98 : | my $string = $self->{driver}->hash()->{$userID}; | ||
| 99 : | if (defined $string) { | ||
| 100 : | if ($self->{table} eq "key") { | ||
| 101 : | # key's value contains two fields | ||
| 102 : | my ($key, $timestamp) = $string =~ m/^(\S+)\s+(.*)$/; | ||
| 103 : | push @records, $self->{record}->new( | ||
| 104 : | user_id => $userID, | ||
| 105 : | key => $key, | ||
| 106 : | timestamp => $timestamp, | ||
| 107 : | ); | ||
| 108 : | } else { | ||
| 109 : | push @records, $self->{record}->new( | ||
| 110 : | user_id => $userID, | ||
| 111 : | $self->{table} => $string, | ||
| 112 : | ); | ||
| 113 : | } | ||
| 114 : | } else { | ||
| 115 : | push @records, undef; | ||
| 116 : | } | ||
| 117 : | } | ||
| 118 : | sh002i | 798 | $self->{driver}->disconnect(); |
| 119 : | sh002i | 1568 | return @records; |
| 120 : | sh002i | 798 | } |
| 121 : | |||
| 122 : | sh002i | 1568 | sub put { |
| 123 : | sh002i | 798 | my ($self, $Record) = @_; |
| 124 : | my $valueName = $self->{table}; | ||
| 125 : | $self->{driver}->connect("rw"); | ||
| 126 : | my $hash = $self->{driver}->hash(); | ||
| 127 : | die $Record->user_id, ": $valueName not found" | ||
| 128 : | unless exists $hash->{$Record->user_id}; | ||
| 129 : | if ($self->{table} eq "key") { | ||
| 130 : | # key's value contains two fields | ||
| 131 : | $hash->{$Record->user_id} = $Record->key() . " " . $Record->timestamp(); | ||
| 132 : | } else { | ||
| 133 : | $hash->{$Record->user_id} = $Record->$valueName(); | ||
| 134 : | } | ||
| 135 : | $self->{driver}->disconnect(); | ||
| 136 : | } | ||
| 137 : | |||
| 138 : | sh002i | 1568 | sub delete { |
| 139 : | sh002i | 798 | my ($self, $userID) = @_; |
| 140 : | my $valueName = $self->{table}; | ||
| 141 : | sh002i | 1167 | return 0 unless $self->{driver}->connect("rw"); |
| 142 : | sh002i | 798 | my $hash = $self->{driver}->hash(); |
| 143 : | sh002i | 1167 | if (defined $userID) { |
| 144 : | delete $hash->{$userID}; | ||
| 145 : | } else { | ||
| 146 : | # delete all elements | ||
| 147 : | delete @$hash{keys %$hash}; | ||
| 148 : | } | ||
| 149 : | sh002i | 798 | $self->{driver}->disconnect(); |
| 150 : | sh002i | 1167 | return 1; |
| 151 : | sh002i | 798 | } |
| 152 : | |||
| 153 : | 1; |
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