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# Data management. |
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3
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package Bot::Pastebot::Data; |
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5
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1
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1
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946
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use warnings; |
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2
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1
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25
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use strict; |
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26
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7
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8
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1
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1
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4
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use Carp qw(croak); |
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2
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1
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36
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9
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1
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5
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use POE; |
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1
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1
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10
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1
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1
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2150
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use Storable; |
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1
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3534
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1
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71
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11
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1
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1
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7
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use Bot::Pastebot::Conf qw( get_names_by_type get_items_by_name ); |
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3
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1
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48
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12
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13
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1
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1
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4
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use base qw(Exporter); |
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1
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2
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1
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178
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14
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15
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our @EXPORT_OK = qw( |
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store_paste fetch_paste delete_paste list_paste_ids |
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delete_paste_by_id fetch_paste_channel clear_channel_ignores |
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set_ignore clear_ignore get_ignores is_ignored channels add_channel |
19
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remove_channel clear_channels |
20
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); |
21
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22
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# Paste data members. |
23
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24
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sub PASTE_TIME () { 0 } |
25
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sub PASTE_SUMMARY () { 1 } |
26
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sub PASTE_ID () { 2 } |
27
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sub PASTE_NETWORK () { 3 } |
28
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sub PASTE_CHANNEL () { 4 } |
29
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sub PASTE_HOST () { 5 } |
30
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31
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my $id_sequence = 0; |
32
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my %paste_cache; |
33
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my %ignores; # $ignores{$ircnet}{lc $channel} = [ mask, mask, ... ]; |
34
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my %channels; |
35
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36
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# Return this module's configuration. |
37
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38
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1
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1
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6
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use Bot::Pastebot::Conf qw(SCALAR REQUIRED); |
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1
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1
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1
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1540
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39
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40
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my %conf = ( |
41
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pastes => { |
42
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name => SCALAR | REQUIRED, |
43
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check => SCALAR, |
44
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expire => SCALAR, |
45
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count => SCALAR, |
46
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throttle => SCALAR, |
47
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store => SCALAR | REQUIRED, |
48
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}, |
49
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); |
50
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51
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0
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0
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0
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sub get_conf { return %conf } |
52
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53
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# Return a list of all paste IDs. |
54
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55
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sub list_paste_ids { |
56
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0
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0
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0
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return keys %paste_cache; |
57
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} |
58
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59
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60
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{ |
61
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my $store = ''; # Static variable in pastestore() |
62
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63
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sub pastestore { |
64
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65
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# already set, return value |
66
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67
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0
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0
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0
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0
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$store and return $store; |
68
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69
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0
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my @names = get_names_by_type('pastes'); |
70
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0
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0
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return unless @names; |
71
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0
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my %conf = get_items_by_name($names[0]); |
72
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0
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$store = $conf{store}; |
73
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} |
74
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} |
75
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76
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# Remove pastes that are too old (if applicable). |
77
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78
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sub check_paste_count { |
79
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0
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0
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0
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my @names = get_names_by_type('pastes'); |
80
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0
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0
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return unless @names; |
81
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0
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my %conf = get_items_by_name($names[0]); |
82
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0
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0
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0
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return unless %conf && $conf{'count'}; |
83
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0
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0
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return if (scalar keys %paste_cache < $conf{'count'}); |
84
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0
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my $oldest = ( |
85
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sort { |
86
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0
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$paste_cache{$a}->[PASTE_TIME] > $paste_cache{$b}->[PASTE_TIME] |
87
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} keys %paste_cache |
88
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)[0]; |
89
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0
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delete_paste_by_id($oldest); |
90
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} |
91
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92
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# Save paste, returning an ID. |
93
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94
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sub store_paste { |
95
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0
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0
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0
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my ($id, $summary, $paste, $ircnet, $channel, $ipaddress) = @_; |
96
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0
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check_paste_count(); |
97
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98
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0
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my $new_id = ++$id_sequence; |
99
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0
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$paste_cache{$new_id} = [ |
100
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time(), # PASTE_TIME |
101
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$summary, # PASTE_SUMMARY |
102
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$id, # PASTE_ID |
103
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$ircnet, # PASTE_NETWORK |
104
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lc($channel), # PASTE_CHANNEL |
105
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$ipaddress, # PASTE_HOST |
106
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]; |
107
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108
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0
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my $dir = pastestore(); |
109
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110
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0
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store \%paste_cache, "$dir/Index"; |
111
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112
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0
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0
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open BODY, ">", "$dir/$new_id" or warn "I cannot store paste $new_id: $!"; |
113
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0
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binmode(BODY); |
114
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0
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print BODY $paste; |
115
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0
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close BODY; |
116
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117
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0
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return $new_id; |
118
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} |
119
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120
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# Fetch paste by ID. |
121
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122
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sub fetch_paste { |
123
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0
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0
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0
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my $id = shift; |
124
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0
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my $paste = $paste_cache{$id}; |
125
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0
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0
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return(undef, undef, undef) unless defined $paste; |
126
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127
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0
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my $dir = pastestore(); |
128
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129
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0
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0
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unless(open BODY, "<", "$dir/$id") { |
130
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0
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warn "Error opening paste $id: $!"; |
131
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0
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return(undef, undef, undef); |
132
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} |
133
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0
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local $/ = undef; |
134
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135
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return( |
136
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0
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$paste->[PASTE_ID], |
137
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$paste->[PASTE_SUMMARY], |
138
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<BODY> |
139
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); |
140
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} |
141
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142
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# Fetch the channel a paste was meant for. |
143
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144
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sub fetch_paste_channel { |
145
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0
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0
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0
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my $id = shift; |
146
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0
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return $paste_cache{$id}->[PASTE_CHANNEL]; |
147
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} |
148
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149
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sub delete_paste_by_id { |
150
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0
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0
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0
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my $id = shift; |
151
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0
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delete $paste_cache{$id}; |
152
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153
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0
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my $dir = pastestore; |
154
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155
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0
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0
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unlink "$dir/$id" or warn "Problem removing paste $id: $!"; |
156
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157
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0
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store \%paste_cache, "$dir/Index"; |
158
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} |
159
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160
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# Delete a possibly sensitive or offensive paste. |
161
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162
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sub delete_paste { |
163
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0
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0
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0
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my ($ircnet, $channel, $id, $bywho) = @_; |
164
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165
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0
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my $dir = pastestore(); |
166
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167
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0
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0
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0
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if ( |
168
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$paste_cache{$id}[PASTE_NETWORK] eq $ircnet && |
169
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$paste_cache{$id}[PASTE_CHANNEL] eq lc $channel |
170
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) { |
171
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# place the blame where it belongs |
172
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0
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0
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unless (open BODY, ">", "$dir/$id") { |
173
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0
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warn "Error deleting body for paste $id: $!"; |
174
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0
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return; |
175
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} |
176
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0
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print BODY "Deleted by $bywho"; |
177
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} |
178
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else { |
179
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0
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return; |
180
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} |
181
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} |
182
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183
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# Manage channel/IRC network based ignores of http requestors. |
184
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185
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sub _convert_mask { |
186
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0
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0
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my $mask = shift; |
187
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188
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0
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$mask =~ s/\./\\./g; |
189
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0
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$mask =~ s/\*/\\d+/g; |
190
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191
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0
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$mask; |
192
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} |
193
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194
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sub is_ignored { |
195
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0
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0
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0
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my ($ircnet, $channel, $host) = @_; |
196
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197
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0
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0
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0
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$ignores{$ircnet}{lc $channel} && @{$ignores{$ircnet}{lc $channel}} |
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0
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198
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or return; |
199
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200
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0
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for my $mask (@{$ignores{$ircnet}{lc $channel}}) { |
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0
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201
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0
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0
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$host =~ /^$mask$/ and return 1; |
202
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} |
203
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204
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0
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return; |
205
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} |
206
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207
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sub set_ignore { |
208
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0
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0
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0
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my ($ircnet, $channel, $mask) = @_; |
209
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210
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0
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$mask = _convert_mask($mask); |
211
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212
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# remove any existing mask - so it's not fast |
213
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0
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@{$ignores{$ircnet}{lc $channel}} = |
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0
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214
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0
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grep $_ ne $mask, @{$ignores{$ircnet}{lc $channel}}; |
215
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0
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push @{$ignores{$ircnet}{lc $channel}}, $mask; |
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0
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216
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0
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store \%ignores, "ignorelist"; |
217
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} |
218
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219
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sub clear_ignore { |
220
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0
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0
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0
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|
my ($ircnet, $channel, $mask) = @_; |
221
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222
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0
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$mask = _convert_mask($mask); |
223
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224
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0
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@{$ignores{$ircnet}{lc $channel}} = |
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0
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225
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0
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grep $_ ne $mask, @{$ignores{$ircnet}{lc $channel}}; |
226
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0
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store \%ignores, "ignorelist"; |
227
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} |
228
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229
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sub get_ignores { |
230
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0
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0
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0
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|
my ($ircnet, $channel) = @_; |
231
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232
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0
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0
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|
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$ignores{$ircnet}{lc $channel} or return; |
233
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234
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0
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my @masks = @{$ignores{$ircnet}{lc $channel}}; |
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0
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235
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236
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0
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for (@masks) { |
237
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0
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|
s/\\d\+/*/g; |
238
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0
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s/\\././g; |
239
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} |
240
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241
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0
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@masks; |
242
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} |
243
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244
|
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|
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|
sub clear_channel_ignores { |
245
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0
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0
|
0
|
|
my ($ircnet, $channel) = @_; |
246
|
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247
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0
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|
$ignores{$ircnet}{lc $channel} = []; |
248
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0
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|
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|
store \%ignores, "ignorelist"; |
249
|
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|
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} |
250
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251
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|
# Channels we're on |
252
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|
253
|
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|
sub channels { |
254
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0
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0
|
0
|
|
my $network = lc(shift); |
255
|
0
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|
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|
|
|
return sort keys %{$channels{$network}}; |
|
0
|
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|
256
|
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|
} |
257
|
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|
258
|
|
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|
|
|
|
sub clear_channels { |
259
|
0
|
|
|
0
|
0
|
|
my $network = lc(shift); |
260
|
0
|
|
|
|
|
|
%{$channels{$network}} = (); |
|
0
|
|
|
|
|
|
|
261
|
0
|
0
|
|
|
|
|
return if keys %{$channels{$network}}; # Should never happen |
|
0
|
|
|
|
|
|
|
262
|
0
|
|
|
|
|
|
return 1; |
263
|
|
|
|
|
|
|
} |
264
|
|
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|
|
|
|
|
265
|
|
|
|
|
|
|
sub add_channel { |
266
|
0
|
|
|
0
|
0
|
|
my ($network, $channel) = @_; |
267
|
0
|
|
|
|
|
|
$network = lc($network); |
268
|
0
|
|
|
|
|
|
$channel = lc($channel); |
269
|
0
|
|
|
|
|
|
$channels{$network}{$channel} = 1; |
270
|
|
|
|
|
|
|
} |
271
|
|
|
|
|
|
|
|
272
|
|
|
|
|
|
|
sub remove_channel { |
273
|
0
|
|
|
0
|
0
|
|
my ($network, $channel) = @_; |
274
|
0
|
|
|
|
|
|
$network = lc($network); |
275
|
0
|
|
|
|
|
|
$channel = lc($channel); |
276
|
0
|
|
|
|
|
|
delete $channels{$network}{$channel}; # returns automatically |
277
|
|
|
|
|
|
|
} |
278
|
|
|
|
|
|
|
|
279
|
|
|
|
|
|
|
# Init stuff |
280
|
|
|
|
|
|
|
|
281
|
|
|
|
|
|
|
sub initialize { |
282
|
0
|
|
|
0
|
0
|
|
my $dir = pastestore(); |
283
|
|
|
|
|
|
|
|
284
|
0
|
0
|
|
|
|
|
unless (-d $dir) { |
285
|
1
|
|
|
1
|
|
6
|
use File::Path; |
|
1
|
|
|
|
|
2
|
|
|
1
|
|
|
|
|
419
|
|
286
|
0
|
|
|
|
|
|
eval { mkpath $dir }; |
|
0
|
|
|
|
|
|
|
287
|
0
|
0
|
|
|
|
|
if ($@) { |
288
|
0
|
|
|
|
|
|
die "Couldn't create directory $dir: $@"; |
289
|
|
|
|
|
|
|
} |
290
|
|
|
|
|
|
|
} |
291
|
|
|
|
|
|
|
|
292
|
0
|
0
|
|
|
|
|
if (-e "$dir/Index") { |
293
|
0
|
|
|
|
|
|
%paste_cache = %{retrieve "$dir/Index"}; |
|
0
|
|
|
|
|
|
|
294
|
0
|
|
|
|
|
|
$id_sequence = (sort keys %paste_cache)[-1]; |
295
|
|
|
|
|
|
|
} |
296
|
0
|
0
|
|
|
|
|
if (-e "ignorelist") { |
297
|
0
|
|
|
|
|
|
%ignores = %{retrieve 'ignorelist'}; |
|
0
|
|
|
|
|
|
|
298
|
|
|
|
|
|
|
} |
299
|
|
|
|
|
|
|
|
300
|
0
|
|
|
|
|
|
my @pastes = get_names_by_type('pastes'); |
301
|
0
|
0
|
|
|
|
|
if (@pastes) { |
302
|
0
|
|
|
|
|
|
my %conf = get_items_by_name($pastes[0]); |
303
|
0
|
0
|
0
|
|
|
|
if ($conf{'check'} && $conf{'expire'}) { |
304
|
|
|
|
|
|
|
POE::Session->create( |
305
|
|
|
|
|
|
|
inline_states => { |
306
|
0
|
|
|
0
|
|
|
_start => sub { $_[KERNEL]->delay( ticks => $conf{'check'} ); }, |
307
|
|
|
|
|
|
|
ticks => sub { |
308
|
0
|
|
|
0
|
|
|
for (keys %paste_cache) { |
309
|
|
|
|
|
|
|
next unless ( |
310
|
0
|
0
|
|
|
|
|
(time - $paste_cache{$_}->[PASTE_TIME]) > $conf{'expire'} |
311
|
|
|
|
|
|
|
); |
312
|
0
|
|
|
|
|
|
delete_paste_by_id($_); |
313
|
|
|
|
|
|
|
} |
314
|
0
|
|
|
|
|
|
$_[KERNEL]->delay( ticks => $conf{'check'} ); |
315
|
|
|
|
|
|
|
}, |
316
|
|
|
|
|
|
|
}, |
317
|
0
|
|
|
|
|
|
); |
318
|
|
|
|
|
|
|
} |
319
|
|
|
|
|
|
|
} |
320
|
|
|
|
|
|
|
} |
321
|
|
|
|
|
|
|
|
322
|
|
|
|
|
|
|
1; |