[19293] | 1 | ###########################################################################
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| 2 | #
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| 3 | # metadataaction.pm --
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| 4 | # A component of the Greenstone digital library software
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| 5 | # from the New Zealand Digital Library Project at the
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| 6 | # University of Waikato, New Zealand.
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| 7 | #
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| 8 | # Copyright (C) 2009 New Zealand Digital Library Project
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| 9 | #
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| 10 | # This program is free software; you can redistr te it and/or modify
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| 11 | # it under the terms of the GNU General Public License as published by
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| 12 | # the Free Software Foundation; either version 2 of the License, or
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| 13 | # (at your option) any later version.
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| 14 | #
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| 15 | # This program is distributed in the hope that it will be useful,
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| 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | # GNU General Public License for more details.
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| 19 | #
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| 20 | # You should have received a copy of the GNU General Public License
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| 21 | # along with this program; if not, write to the Free Software
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| 22 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 23 | #
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| 24 | ###########################################################################
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| 25 |
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| 26 | package metadataaction;
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| 27 |
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| 28 | use strict;
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| 29 |
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| 30 | use cgiactions::baseaction;
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| 31 |
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[19499] | 32 | use GDBMUtils;
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| 33 | use ghtml;
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[19293] | 34 |
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| 35 | BEGIN {
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| 36 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib/cpan/perl-5.8");
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| 37 | require XML::Rules;
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| 38 | }
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| 39 |
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| 40 |
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| 41 | @metadataaction::ISA = ('baseaction');
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| 42 |
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| 43 |
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| 44 |
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| 45 | my $action_table =
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| 46 | {
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[19499] | 47 | "get-live-metadata" => { 'compulsory-args' => [ "d", "metaname" ],
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| 48 | 'optional-args' => [] },
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| 49 |
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| 50 | "get-metadata" => { 'compulsory-args' => [ "d", "metaname" ],
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| 51 | 'optional-args' => [ "metapos" ] },
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| 52 |
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| 53 | "set-live-metadata" => { 'compulsory-args' => [ "d", "metaname", "metavalue" ],
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| 54 | 'optional-args' => [ ] },
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| 55 |
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| 56 | "set-metadata" => { 'compulsory-args' => [ "d", "metaname", "metavalue" ],
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| 57 | 'optional-args' => [ "metapos" ] },
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| 58 |
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| 59 | "set-import-metadata" => { 'compulsory-args' => [ "metaname", "metavalue" ],
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| 60 | 'optional-args' => [ "d", "f", "metamode" ]
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[19293] | 61 | # metamode can be "accumulate", "override", or "unique-id"
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[19499] | 62 | },
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| 63 | "remove-live-metadata" => { 'compulsory-args' => [ "d", "metaname" ],
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| 64 | 'optional-args' => [ ] },
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| 65 |
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| 66 | "remove-metadata" => { 'compulsory-args' => [ "d", "metaname" ],
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| 67 | 'optional-args' => [ "metapos" ] }
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[19293] | 68 | };
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| 69 |
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| 70 |
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| 71 | sub new
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| 72 | {
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| 73 | my $class = shift (@_);
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| 74 | my ($gsdl_cgi,$iis6_mode) = @_;
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| 75 |
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| 76 | my $self = new baseaction($action_table,$gsdl_cgi,$iis6_mode);
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| 77 |
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| 78 | return bless $self, $class;
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| 79 | }
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| 80 |
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| 81 |
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| 82 |
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| 83 | sub get_live_metadata
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| 84 | {
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| 85 | my $self = shift @_;
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| 86 |
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| 87 | my $username = $self->{'username'};
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| 88 | my $collect = $self->{'collect'};
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| 89 | my $gsdl_cgi = $self->{'gsdl_cgi'};
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| 90 | my $gsdlhome = $self->{'gsdlhome'};
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| 91 |
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| 92 | my $collect_dir = &util::filename_cat($gsdlhome, "collect");
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| 93 | # $gsdl_cgi->checked_chdir($collect_dir);
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| 94 |
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| 95 |
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| 96 | # Make sure the collection isn't locked by someone else
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| 97 | $self->lock_collection($username, $collect);
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| 98 |
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| 99 | # look up additional args
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| 100 |
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| 101 | my $docid = $self->{'d'};
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| 102 | if ((!defined $docid) || ($docid =~ m/^\s*$/)) {
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| 103 | $gsdl_cgi->generate_error("No docid (d=...) specified.");
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| 104 | }
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| 105 |
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| 106 | my $metaname = $self->{'metaname'};
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| 107 |
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| 108 | my $dbkey = "$docid.$metaname";
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| 109 |
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| 110 | my $collect_tail = $collect;
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| 111 | $collect_tail =~ s/^.*[\/|\\]//;
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| 112 |
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| 113 | my $gdbm_directory = &util::filename_cat($collect_dir,$collect,"index","text");
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| 114 | my $gdbm_db = &util::filename_cat($gdbm_directory,"live-$collect_tail.gdb");
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| 115 |
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| 116 | my $cmd = "gdbmget $gdbm_db $dbkey";
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| 117 |
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| 118 | if (open(GIN,"$cmd |") == 0) {
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| 119 | my $mess = "Failed to get metadata key: $metaname\n";
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| 120 | $mess .= "$!\n";
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| 121 |
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| 122 | $gsdl_cgi->generate_error($mess);
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| 123 | }
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| 124 |
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| 125 | else {
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| 126 | my $metavalue = "";
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| 127 |
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| 128 | my $line;
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| 129 | while (defined ($line=<GIN>)) {
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| 130 | $metavalue .= $line;
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| 131 | }
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| 132 | close(GIN);
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[19499] | 133 |
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| 134 | chomp($metavalue);
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| 135 |
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[19293] | 136 | $gsdl_cgi->generate_ok_message("$metavalue");
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| 137 | }
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[19499] | 138 | }
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[19293] | 139 |
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| 140 |
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[19499] | 141 |
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| 142 | sub get_metadata
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| 143 | {
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| 144 | my $self = shift @_;
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| 145 |
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| 146 | my $username = $self->{'username'};
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| 147 | my $collect = $self->{'collect'};
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| 148 | my $gsdl_cgi = $self->{'gsdl_cgi'};
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| 149 | my $gsdlhome = $self->{'gsdlhome'};
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| 150 |
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| 151 |
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| 152 | if ($baseaction::authentication_enabled) {
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| 153 | # Ensure the user is allowed to edit this collection
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| 154 | &authenticate_user($gsdl_cgi, $username, $collect);
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| 155 | }
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| 156 |
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| 157 | my $collect_dir = &util::filename_cat($gsdlhome, "collect");
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| 158 | # $gsdl_cgi->checked_chdir($collect_dir);
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| 159 |
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| 160 |
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| 161 | # Make sure the collection isn't locked by someone else
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| 162 | $self->lock_collection($username, $collect);
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| 163 |
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| 164 | # look up additional args
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| 165 |
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| 166 | my $docid = $self->{'d'};
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| 167 | my $metaname = $self->{'metaname'};
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| 168 | my $metapos = $self->{'metapos'};
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| 169 |
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| 170 | my $collect_tail = $collect;
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| 171 | $collect_tail =~ s/^.*[\/\\]//;
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| 172 |
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| 173 | my $gdbm_directory = &util::filename_cat($collect_dir,$collect,"index","text");
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| 174 | my $gdbm_db = &util::filename_cat($gdbm_directory,"$collect_tail.gdb");
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| 175 |
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| 176 | my $doc_rec = GDBMUtils::gdbmRecordToHash($gdbm_db,$docid);
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| 177 | foreach my $k (keys %$doc_rec) {
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| 178 | my @escaped_v = ();
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| 179 | foreach my $v (@{$doc_rec->{$k}}) {
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| 180 | my $ev = &ghtml::unescape_html($v);
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| 181 | push(@escaped_v, $ev);
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| 182 | }
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| 183 |
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| 184 | $doc_rec->{$k} = \@escaped_v;
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| 185 | }
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| 186 |
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| 187 | $metapos = 0 if (!defined $metapos);
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| 188 |
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| 189 | my $metavalue = $doc_rec->{$metaname}->[$metapos];
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| 190 |
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| 191 | $gsdl_cgi->generate_ok_message("$metavalue");
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| 192 |
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[19293] | 193 | }
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| 194 |
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| 195 |
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| 196 |
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| 197 |
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| 198 | sub set_live_metadata
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| 199 | {
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| 200 | my $self = shift @_;
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| 201 |
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| 202 | my $username = $self->{'username'};
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| 203 | my $collect = $self->{'collect'};
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| 204 | my $gsdl_cgi = $self->{'gsdl_cgi'};
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| 205 | my $gsdlhome = $self->{'gsdlhome'};
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| 206 |
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| 207 |
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| 208 | # don't user authenticate for now
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| 209 | if ($baseaction::authentication_enabled) {
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| 210 | # Ensure the user is allowed to edit this collection
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| 211 | &authenticate_user($gsdl_cgi, $username, $collect);
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| 212 | }
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| 213 |
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| 214 | my $collect_dir = &util::filename_cat($gsdlhome, "collect");
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| 215 | # $gsdl_cgi->checked_chdir($collect_dir);
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| 216 |
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| 217 |
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| 218 | # Make sure the collection isn't locked by someone else
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| 219 | $self->lock_collection($username, $collect);
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| 220 |
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| 221 | # look up additional args
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| 222 |
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| 223 | my $docid = $self->{'d'};
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| 224 | my $metaname = $self->{'metaname'};
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| 225 | my $metavalue = $self->{'metavalue'};
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| 226 |
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| 227 | my $dbkey = "$docid.$metaname";
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| 228 |
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| 229 | my $collect_tail = $collect;
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| 230 | $collect_tail =~ s/^.*[\/\\]//;
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| 231 |
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| 232 | my $gdbm_directory = &util::filename_cat($collect_dir,$collect,"index","text");
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| 233 | my $gdbm_db = &util::filename_cat($gdbm_directory,"live-$collect_tail.gdb");
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| 234 |
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| 235 | my $cmd = "gdbmset \"$gdbm_db\" \"$dbkey\" \"$metavalue\"";
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| 236 |
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| 237 | my $status = system($cmd);
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| 238 |
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| 239 | if ($status != 0) {
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| 240 | my $mess = "Failed to set metadata key: $dbkey\n";
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| 241 |
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| 242 | $mess .= "PATH: $ENV{'PATH'}\n";
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| 243 | $mess .= "cmd = $cmd\n";
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| 244 | $mess .= "Exit status: $status\n";
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| 245 | $mess .= "System Error Message: $!\n";
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| 246 |
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[19499] | 247 | $gsdl_cgi->generate_error($mess);
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[19293] | 248 | }
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| 249 | else {
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[19499] | 250 | $gsdl_cgi->generate_ok_message("set-live-metadata successful: Key[$metaname]=$metavalue");
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[19293] | 251 | }
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| 252 |
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| 253 | }
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| 254 |
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| 255 |
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[19499] | 256 | sub set_metadata
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| 257 | {
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| 258 | my $self = shift @_;
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[19293] | 259 |
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[19499] | 260 | my $username = $self->{'username'};
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| 261 | my $collect = $self->{'collect'};
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| 262 | my $gsdl_cgi = $self->{'gsdl_cgi'};
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| 263 | my $gsdlhome = $self->{'gsdlhome'};
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[19293] | 264 |
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| 265 |
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[19499] | 266 | # don't user authenticate for now
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| 267 | if ($baseaction::authentication_enabled) {
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| 268 | # Ensure the user is allowed to edit this collection
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| 269 | &authenticate_user($gsdl_cgi, $username, $collect);
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| 270 | }
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| 271 |
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| 272 | my $collect_dir = &util::filename_cat($gsdlhome, "collect");
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| 273 | # $gsdl_cgi->checked_chdir($collect_dir);
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| 274 |
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| 275 |
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| 276 | # Make sure the collection isn't locked by someone else
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| 277 | $self->lock_collection($username, $collect);
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| 278 |
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| 279 | # look up additional args
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| 280 |
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| 281 | my $docid = $self->{'d'};
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| 282 | my $metaname = $self->{'metaname'};
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| 283 | my $metapos = $self->{'metapos'};
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| 284 | my $metavalue = $self->{'metavalue'};
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| 285 |
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| 286 | my $collect_tail = $collect;
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| 287 | $collect_tail =~ s/^.*[\/\\]//;
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| 288 |
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| 289 | my $gdbm_directory = &util::filename_cat($collect_dir,$collect,"index","text");
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| 290 | my $gdbm_db = &util::filename_cat($gdbm_directory,"$collect_tail.gdb");
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| 291 |
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| 292 | my $doc_rec = GDBMUtils::gdbmRecordToHash($gdbm_db,$docid);
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| 293 | foreach my $k (keys %$doc_rec) {
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| 294 | my @escaped_v = ();
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| 295 | foreach my $v (@{$doc_rec->{$k}}) {
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| 296 | if ($k eq "contains") {
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| 297 | # protect quotes in ".2;".3 etc
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| 298 | $v =~ s/\"/\\\"/g;
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| 299 | push(@escaped_v, $v);
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| 300 | }
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| 301 | else {
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| 302 | my $ev = &ghtml::unescape_html($v);
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| 303 | $ev =~ s/\"/\\\"/g;
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| 304 | push(@escaped_v, $ev);
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| 305 | }
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| 306 | }
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| 307 |
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| 308 | $doc_rec->{$k} = \@escaped_v;
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| 309 | }
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| 310 |
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| 311 | ## print STDERR "**** metavalue = $metavalue\n";
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| 312 |
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| 313 | $metavalue =~ s/\"/\\\"/g;
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| 314 |
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| 315 | if (defined $metapos) {
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| 316 | $doc_rec->{$metaname}->[$metapos] = $metavalue;
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| 317 | }
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| 318 | else {
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| 319 | $doc_rec->{$metaname} = [ $metavalue ];
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| 320 | }
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| 321 |
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| 322 | ## print STDERR "**** metavalue = $metavalue\n";
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| 323 |
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| 324 | my $serialized_doc_rec = GDBMUtils::serializeHash($doc_rec);
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| 325 |
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| 326 | print STDERR "**** ser dr\n$serialized_doc_rec\n\n\n";
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| 327 |
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| 328 | my $cmd = "gdbmset \"$gdbm_db\" \"$docid\" \"$serialized_doc_rec\"";
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| 329 |
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| 330 | my $status = system($cmd);
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| 331 |
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| 332 | if ($status != 0) {
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| 333 | my $mess = "Failed to set metadata key: $docid\n";
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| 334 |
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| 335 | $mess .= "PATH: $ENV{'PATH'}\n";
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| 336 | $mess .= "cmd = $cmd\n";
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| 337 | $mess .= "Exit status: $status\n";
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| 338 | $mess .= "System Error Message: $!\n";
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| 339 |
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| 340 | $gsdl_cgi->generate_error($mess);
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| 341 | }
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| 342 | else {
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| 343 | my $mess = "set-document-metadata successful: Key[$docid]\n";
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| 344 | $mess .= " $metaname";
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| 345 | $mess .= "->[$metapos]" if (defined $metapos);
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| 346 | $mess .= " = $metavalue";
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| 347 |
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| 348 | $gsdl_cgi->generate_ok_message($mess);
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| 349 | }
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| 350 |
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| 351 | }
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| 352 |
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| 353 |
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| 354 |
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| 355 |
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| 356 |
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| 357 |
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[19293] | 358 | sub mxml_metadata
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| 359 | {
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| 360 |
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| 361 | my ($tagname, $attrHash, $contextArray, $parentDataArray, $parser) = @_;
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| 362 |
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| 363 |
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| 364 | my $metaname = $parser->{'parameters'}->{'metaname'};
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| 365 | my $metamode = $parser->{'parameters'}->{'metamode'};
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| 366 |
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| 367 | my $name_attr = $attrHash->{'name'};
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| 368 |
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| 369 | if (($name_attr eq $metaname) && ($metamode eq "override")) {
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| 370 |
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| 371 | my $metavalue = $parser->{'parameters'}->{'metavalue'};
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| 372 |
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| 373 | $attrHash->{'_content'} = $metavalue;
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| 374 |
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| 375 | # Don't want it to wipe out any other pieces of metadata
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| 376 | $parser->{'parameters'}->{'metamode'} = "done";
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| 377 |
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| 378 | }
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| 379 |
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| 380 | # raw extended
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| 381 | return (':'.$tagname => $attrHash, [$tagname => $attrHash]);
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| 382 | }
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| 383 |
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| 384 |
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| 385 | sub mxml_description
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| 386 | {
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| 387 |
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| 388 | my ($tagname, $attrHash, $contextArray, $parentDataArray, $parser) = @_;
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| 389 |
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| 390 | my $metamode = $parser->{'parameters'}->{'metamode'};
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| 391 |
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| 392 |
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| 393 | if ($metamode eq "accumulate") {
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| 394 | # tack a new metadata tag on to the end of the <Metadata>+ block
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| 395 |
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| 396 | my $metaname = $parser->{'parameters'}->{'metaname'};
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| 397 | my $metavalue = $parser->{'parameters'}->{'metavalue'};
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| 398 |
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| 399 |
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| 400 | my $metadata_attr = { '_content' => $metavalue,
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| 401 | 'name' => $metaname,
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| 402 | 'mode' => "accumulate" };
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| 403 |
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| 404 | my $append_metadata = [ "Metadata" => $metadata_attr ];
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| 405 |
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| 406 | my $description_content = $attrHash->{'_content'};
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| 407 |
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| 408 | push(@$description_content," ", $append_metadata ,"\n ");
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| 409 |
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| 410 | }
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| 411 |
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| 412 | # raw
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| 413 | return $tagname => $attrHash;
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| 414 | }
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| 415 |
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| 416 | sub edit_metadata_xml
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| 417 | {
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| 418 | my $self = shift @_;
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| 419 |
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| 420 | my ($gsdl_cgi, $metadata_xml_filename, $file, $metaname, $metavalue, $metamode) = @_;
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| 421 |
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| 422 | # use XML::Rules to add it in (read in and out again)
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| 423 |
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| 424 | my @rules =
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| 425 | ( _default => 'raw extended',
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| 426 | 'Metadata' => \&mxml_metadata,
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| 427 | 'Description' => \&mxml_description );
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| 428 |
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| 429 |
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| 430 | my $parser = XML::Rules->new(rules => \@rules,
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| 431 | style => 'filter' );
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| 432 |
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| 433 |
|
---|
| 434 | my $xml_in = "";
|
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| 435 | if (!open(MIN,"<$metadata_xml_filename")) {
|
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| 436 | $gsdl_cgi->generate_error("Unable to read in $metadata_xml_filename: $!");
|
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| 437 | }
|
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| 438 | else {
|
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| 439 | my $line;
|
---|
| 440 | while (defined ($line=<MIN>)) {
|
---|
| 441 | $xml_in .= $line;
|
---|
| 442 | }
|
---|
| 443 | close(MIN);
|
---|
| 444 |
|
---|
| 445 |
|
---|
| 446 | my $xml_out = "";
|
---|
| 447 | $parser->filter($xml_in,\$xml_out, { metaname => $metaname,
|
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| 448 | metavalue => $metavalue,
|
---|
| 449 | metamode => $metamode } );
|
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| 450 |
|
---|
| 451 | if (!open(MOUT,">$metadata_xml_filename")) {
|
---|
| 452 | $gsdl_cgi->generate_error("Unable to write out to $metadata_xml_filename: $!");
|
---|
| 453 | }
|
---|
| 454 | else {
|
---|
| 455 | print MOUT $xml_out;
|
---|
| 456 | close(MOUT);
|
---|
| 457 |
|
---|
| 458 | }
|
---|
| 459 | }
|
---|
| 460 |
|
---|
| 461 |
|
---|
| 462 |
|
---|
| 463 | }
|
---|
| 464 |
|
---|
| 465 | sub set_import_metadata
|
---|
| 466 | {
|
---|
| 467 | my $self = shift @_;
|
---|
| 468 |
|
---|
| 469 | my $username = $self->{'username'};
|
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| 470 | my $collect = $self->{'collect'};
|
---|
| 471 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
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| 472 | my $gsdlhome = $self->{'gsdlhome'};
|
---|
| 473 |
|
---|
| 474 |
|
---|
| 475 | # don't user authenticate for now
|
---|
| 476 | if ($baseaction::authentication_enabled) {
|
---|
| 477 | # Ensure the user is allowed to edit this collection
|
---|
| 478 | $self->authenticate_user($username, $collect);
|
---|
| 479 | }
|
---|
| 480 |
|
---|
| 481 | my $collect_dir = &util::filename_cat($gsdlhome, "collect");
|
---|
| 482 | # $gsdl_cgi->checked_chdir($collect_dir);
|
---|
| 483 |
|
---|
| 484 | my $archive_dir = &util::filename_cat($collect_dir,$collect,"archives");
|
---|
| 485 |
|
---|
| 486 |
|
---|
| 487 | # Make sure the collection isn't locked by someone else
|
---|
| 488 | $self->lock_collection($username, $collect);
|
---|
| 489 |
|
---|
| 490 | # look up additional args
|
---|
| 491 |
|
---|
| 492 | # want either d= or f=
|
---|
| 493 | my $docid = $self->{'d'};
|
---|
| 494 | my $import_file = $self->{'f'};
|
---|
| 495 |
|
---|
| 496 | if ((!defined $docid) && (!defined $import_file)) {
|
---|
| 497 | $gsdl_cgi->generate_error("No docid (d=...) or import file (f=) specified.");
|
---|
| 498 | }
|
---|
| 499 |
|
---|
| 500 | my $metaname = $self->{'metaname'};
|
---|
| 501 | my $metavalue = $self->{'metavalue'};
|
---|
| 502 | my $metamode = $self->{'metamode'};
|
---|
| 503 |
|
---|
| 504 | if ((!defined $metamode) || ($metamode =~ m/^\s*$/)) {
|
---|
| 505 | # make "accumulate" the default (less destructive, as won't actually
|
---|
| 506 | # delete any existing values)
|
---|
| 507 |
|
---|
| 508 | $metamode = "accumulate";
|
---|
| 509 | }
|
---|
| 510 |
|
---|
| 511 | my $metadata_xml_file;
|
---|
| 512 |
|
---|
| 513 | if (defined $docid) {
|
---|
| 514 |
|
---|
| 515 | my $doc_db = "archiveinf-doc.gdb";
|
---|
| 516 | my $arcinfo_doc_filename = &util::filename_cat ($archive_dir, $doc_db);
|
---|
| 517 |
|
---|
| 518 | my $doc_rec = GDBMUtils::gdbmRecordToHash($arcinfo_doc_filename,$docid);
|
---|
| 519 |
|
---|
| 520 | $import_file = $doc_rec->{'src-file'}->[0];
|
---|
| 521 | }
|
---|
| 522 |
|
---|
| 523 |
|
---|
| 524 | my $import_filename = &util::filename_cat($collect_dir,$collect,$import_file);
|
---|
| 525 |
|
---|
| 526 |
|
---|
| 527 | # Assuming that the metadata field is being indexed, then
|
---|
| 528 | # **** "touch" (in the Unix sense) $import_filename so we know it needs to
|
---|
| 529 | # be reindexed?
|
---|
| 530 | # (to be implemented)
|
---|
| 531 |
|
---|
| 532 | # figure out correct metadata.xml file
|
---|
| 533 |
|
---|
| 534 | my ($import_tailname, $import_dirname)
|
---|
| 535 | = File::Basename::fileparse($import_filename);
|
---|
| 536 |
|
---|
| 537 | my $metadata_xml_filename = &util::filename_cat($import_dirname,"metadata.xml");
|
---|
| 538 |
|
---|
| 539 | $self->edit_metadata_xml($gsdl_cgi,$metadata_xml_filename,$import_tailname,
|
---|
| 540 | $metaname,$metavalue,$metamode);
|
---|
| 541 |
|
---|
| 542 | }
|
---|
| 543 |
|
---|
| 544 |
|
---|
[19499] | 545 |
|
---|
| 546 |
|
---|
| 547 |
|
---|
| 548 | sub remove_live_metadata
|
---|
| 549 | {
|
---|
| 550 | my $self = shift @_;
|
---|
| 551 |
|
---|
| 552 | my $username = $self->{'username'};
|
---|
| 553 | my $collect = $self->{'collect'};
|
---|
| 554 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
---|
| 555 | my $gsdlhome = $self->{'gsdlhome'};
|
---|
| 556 |
|
---|
| 557 |
|
---|
| 558 | if ($baseaction::authentication_enabled) {
|
---|
| 559 | # Ensure the user is allowed to edit this collection
|
---|
| 560 | &authenticate_user($gsdl_cgi, $username, $collect);
|
---|
| 561 | }
|
---|
| 562 |
|
---|
| 563 | my $collect_dir = &util::filename_cat($gsdlhome, "collect");
|
---|
| 564 | # $gsdl_cgi->checked_chdir($collect_dir);
|
---|
| 565 |
|
---|
| 566 |
|
---|
| 567 | # Make sure the collection isn't locked by someone else
|
---|
| 568 | $self->lock_collection($username, $collect);
|
---|
| 569 |
|
---|
| 570 | # look up additional args
|
---|
| 571 |
|
---|
| 572 | my $docid = $self->{'d'};
|
---|
| 573 | my $metaname = $self->{'metaname'};
|
---|
| 574 |
|
---|
| 575 | my $dbkey = "$docid.$metaname";
|
---|
| 576 |
|
---|
| 577 | my $collect_tail = $collect;
|
---|
| 578 | $collect_tail =~ s/^.*[\/\\]//;
|
---|
| 579 |
|
---|
| 580 | my $gdbm_directory = &util::filename_cat($collect_dir,$collect,"index","text");
|
---|
| 581 | my $gdbm_db = &util::filename_cat($gdbm_directory,"live-$collect_tail.gdb");
|
---|
| 582 |
|
---|
| 583 | my $cmd = "gdbmdel \"$gdbm_db\" \"$dbkey\"";
|
---|
| 584 |
|
---|
| 585 | my $status = system($cmd);
|
---|
| 586 |
|
---|
| 587 | if ($status != 0) {
|
---|
| 588 | my $mess = "Failed to set metadata key: $dbkey\n";
|
---|
| 589 |
|
---|
| 590 | $mess .= "PATH: $ENV{'PATH'}\n";
|
---|
| 591 | $mess .= "cmd = $cmd\n";
|
---|
| 592 | $mess .= "Exit status: $status\n";
|
---|
| 593 | $mess .= "System Error Message: $!\n";
|
---|
| 594 |
|
---|
| 595 | $gsdl_cgi->generate_error($mess);
|
---|
| 596 | }
|
---|
| 597 | else {
|
---|
| 598 | $gsdl_cgi->generate_ok_message("DB remove successful: Key[$metaname]");
|
---|
| 599 | }
|
---|
| 600 |
|
---|
| 601 | }
|
---|
| 602 |
|
---|
| 603 |
|
---|
| 604 | sub remove_metadata
|
---|
| 605 | {
|
---|
| 606 | my $self = shift @_;
|
---|
| 607 |
|
---|
| 608 | my $username = $self->{'username'};
|
---|
| 609 | my $collect = $self->{'collect'};
|
---|
| 610 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
---|
| 611 | my $gsdlhome = $self->{'gsdlhome'};
|
---|
| 612 |
|
---|
| 613 |
|
---|
| 614 | # don't user authenticate for now
|
---|
| 615 | if ($baseaction::authentication_enabled) {
|
---|
| 616 | # Ensure the user is allowed to edit this collection
|
---|
| 617 | &authenticate_user($gsdl_cgi, $username, $collect);
|
---|
| 618 | }
|
---|
| 619 |
|
---|
| 620 | my $collect_dir = &util::filename_cat($gsdlhome, "collect");
|
---|
| 621 | # $gsdl_cgi->checked_chdir($collect_dir);
|
---|
| 622 |
|
---|
| 623 |
|
---|
| 624 | # Make sure the collection isn't locked by someone else
|
---|
| 625 | $self->lock_collection($username, $collect);
|
---|
| 626 |
|
---|
| 627 | # look up additional args
|
---|
| 628 |
|
---|
| 629 | my $docid = $self->{'d'};
|
---|
| 630 | my $metaname = $self->{'metaname'};
|
---|
| 631 | my $metapos = $self->{'metapos'};
|
---|
| 632 |
|
---|
| 633 | my $collect_tail = $collect;
|
---|
| 634 | $collect_tail =~ s/^.*[\/\\]//;
|
---|
| 635 |
|
---|
| 636 | my $gdbm_directory = &util::filename_cat($collect_dir,$collect,"index","text");
|
---|
| 637 | my $gdbm_db = &util::filename_cat($gdbm_directory,"$collect_tail.gdb");
|
---|
| 638 |
|
---|
| 639 | my $doc_rec = GDBMUtils::gdbmRecordToHash($gdbm_db,$docid);
|
---|
| 640 | foreach my $k (keys %$doc_rec) {
|
---|
| 641 | my @escaped_v = ();
|
---|
| 642 | foreach my $v (@{$doc_rec->{$k}}) {
|
---|
| 643 | if ($k eq "contains") {
|
---|
| 644 | # protect quotes in ".2;".3 etc
|
---|
| 645 | $v =~ s/\"/\\\"/g;
|
---|
| 646 | push(@escaped_v, $v);
|
---|
| 647 | }
|
---|
| 648 | else {
|
---|
| 649 | my $ev = &ghtml::unescape_html($v);
|
---|
| 650 | $ev =~ s/\"/\\\"/g;
|
---|
| 651 | push(@escaped_v, $ev);
|
---|
| 652 | }
|
---|
| 653 | }
|
---|
| 654 |
|
---|
| 655 | $doc_rec->{$k} = \@escaped_v;
|
---|
| 656 | }
|
---|
| 657 |
|
---|
| 658 | $metapos = 0 if (!defined $metapos);
|
---|
| 659 |
|
---|
| 660 | # consider check key is defined before deleting?
|
---|
| 661 |
|
---|
| 662 | my $filtered_metadata = [];
|
---|
| 663 | my $num_metadata_vals = scalar(@{$doc_rec->{$metaname}});
|
---|
| 664 |
|
---|
| 665 | for (my $i=0; $i<$num_metadata_vals; $i++) {
|
---|
| 666 | my $metavalue = shift(@{$doc_rec->{$metaname}});
|
---|
| 667 |
|
---|
| 668 | if ($i != $metapos) {
|
---|
| 669 | push(@$filtered_metadata,$metavalue)
|
---|
| 670 | }
|
---|
| 671 | }
|
---|
| 672 |
|
---|
| 673 | $doc_rec->{$metaname} = $filtered_metadata;
|
---|
| 674 |
|
---|
| 675 | my $serialized_doc_rec = GDBMUtils::serializeHash($doc_rec);
|
---|
| 676 |
|
---|
| 677 | my $cmd = "gdbmset \"$gdbm_db\" \"$docid\" \"$serialized_doc_rec\"";
|
---|
| 678 |
|
---|
| 679 | my $status = system($cmd);
|
---|
| 680 |
|
---|
| 681 | if ($status != 0) {
|
---|
| 682 | my $mess = "Failed to set metadata key: $docid\n";
|
---|
| 683 |
|
---|
| 684 | $mess .= "PATH: $ENV{'PATH'}\n";
|
---|
| 685 | $mess .= "cmd = $cmd\n";
|
---|
| 686 | $mess .= "Exit status: $status\n";
|
---|
| 687 | $mess .= "System Error Message: $!\n";
|
---|
| 688 |
|
---|
| 689 | $gsdl_cgi->generate_error($mess);
|
---|
| 690 | }
|
---|
| 691 | else {
|
---|
| 692 | my $mess = "DB set (with item deleted) successful: Key[$docid]\n";
|
---|
| 693 | $mess .= " $metaname";
|
---|
| 694 | $mess .= "->[$metapos]" if (defined $metapos);
|
---|
| 695 |
|
---|
| 696 | $gsdl_cgi->generate_ok_message($mess);
|
---|
| 697 | }
|
---|
| 698 |
|
---|
| 699 | }
|
---|
| 700 |
|
---|
| 701 |
|
---|
| 702 |
|
---|
| 703 |
|
---|
| 704 |
|
---|
| 705 |
|
---|
[19293] | 706 | 1;
|
---|