| 1 | ###########################################################################
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| 2 | #
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| 3 | # DirectoryPlugin.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) 1999 New Zealand Digital Library Project
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| 9 | #
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| 10 | # This program is free software; you can redistribute 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 | # DirectoryPlugin is a plugin which recurses through directories processing
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| 27 | # each file it finds - which basically means passing it down the plugin
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| 28 | # pipeline
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| 29 |
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| 30 | package DirectoryPlugin;
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| 31 |
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| 32 | use PrintInfo;
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| 33 | use plugin;
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| 34 | use util;
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| 35 | use metadatautil;
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| 36 |
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| 37 | use File::Basename;
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| 38 | use strict;
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| 39 | no strict 'refs';
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| 40 | no strict 'subs';
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| 41 |
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| 42 | use Encode;
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| 43 |
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| 44 | BEGIN {
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| 45 | @DirectoryPlugin::ISA = ('PrintInfo');
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| 46 | }
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| 47 |
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| 48 | my $arguments =
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| 49 | [ { 'name' => "block_exp",
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| 50 | 'desc' => "{BasePlugin.block_exp}",
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| 51 | 'type' => "regexp",
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| 52 | 'deft' => &get_default_block_exp(),
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| 53 | 'reqd' => "no" },
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| 54 | # this option has been deprecated. leave it here for now so we can warn people not to use it
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| 55 | { 'name' => "use_metadata_files",
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| 56 | 'desc' => "{DirectoryPlugin.use_metadata_files}",
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| 57 | 'type' => "flag",
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| 58 | 'reqd' => "no",
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| 59 | 'hiddengli' => "yes" },
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| 60 | { 'name' => "recheck_directories",
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| 61 | 'desc' => "{DirectoryPlugin.recheck_directories}",
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| 62 | 'type' => "flag",
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| 63 | 'reqd' => "no" } ];
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| 64 |
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| 65 | my $options = { 'name' => "DirectoryPlugin",
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| 66 | 'desc' => "{DirectoryPlugin.desc}",
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| 67 | 'abstract' => "no",
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| 68 | 'inherits' => "yes",
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| 69 | 'args' => $arguments };
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| 70 |
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| 71 | sub new {
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| 72 | my ($class) = shift (@_);
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| 73 | my ($pluginlist,$inputargs,$hashArgOptLists) = @_;
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| 74 | push(@$pluginlist, $class);
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| 75 |
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| 76 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
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| 77 | push(@{$hashArgOptLists->{"OptList"}},$options);
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| 78 |
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| 79 | my $self = new PrintInfo($pluginlist, $inputargs, $hashArgOptLists);
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| 80 |
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| 81 | if ($self->{'info_only'}) {
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| 82 | # don't worry about any options or initialisations etc
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| 83 | return bless $self, $class;
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| 84 | }
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| 85 |
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| 86 | # we have left this option in so we can warn people who are still using it
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| 87 | if ($self->{'use_metadata_files'}) {
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| 88 | die "ERROR: DirectoryPlugin -use_metadata_files option has been deprecated. Please remove the option and add MetadataXMLPlug to your plugin list instead!\n";
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| 89 | }
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| 90 |
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| 91 | $self->{'num_processed'} = 0;
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| 92 | $self->{'num_not_processed'} = 0;
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| 93 | $self->{'num_blocked'} = 0;
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| 94 | $self->{'num_archives'} = 0;
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| 95 |
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| 96 | $self->{'subdir_extrametakeys'} = {};
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| 97 |
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| 98 | return bless $self, $class;
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| 99 | }
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| 100 |
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| 101 | # called once, at the start of processing
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| 102 | sub init {
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| 103 | my $self = shift (@_);
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| 104 | my ($verbosity, $outhandle, $failhandle) = @_;
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| 105 |
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| 106 | # verbosity is passed through from the processor
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| 107 | $self->{'verbosity'} = $verbosity;
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| 108 |
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| 109 | # as are the outhandle and failhandle
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| 110 | $self->{'outhandle'} = $outhandle if defined $outhandle;
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| 111 | $self->{'failhandle'} = $failhandle;
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| 112 |
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| 113 | }
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| 114 |
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| 115 | # called once, after all passes have finished
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| 116 | sub deinit {
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| 117 | my ($self) = @_;
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| 118 |
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| 119 | }
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| 120 |
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| 121 | # called at the beginning of each plugin pass (import has one, building has many)
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| 122 | sub begin {
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| 123 | my $self = shift (@_);
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| 124 | my ($pluginfo, $base_dir, $processor, $maxdocs) = @_;
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| 125 |
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| 126 | # Only lookup timestamp info for import.pl, and only if incremental is set
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| 127 | my $proc_package_name = ref $processor;
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| 128 | if ($proc_package_name !~ /buildproc$/ && $self->{'incremental'} == 1) {
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| 129 | # Get the infodbtype value for this collection from the arcinfo object
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| 130 | my $infodbtype = $processor->getoutputinfo()->{'infodbtype'};
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| 131 | $infodbtype = "gdbm" if $infodbtype eq "gdbm-txtgz"; # in archives, cannot use txtgz version
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| 132 | my $output_dir = $processor->getoutputdir();
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| 133 | my $archives_inf = &dbutil::get_infodb_file_path($infodbtype, "archiveinf-doc", $output_dir);
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| 134 |
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| 135 | if ( -e $archives_inf ) {
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| 136 | $self->{'inf_timestamp'} = -M $archives_inf;
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| 137 | }
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| 138 | }
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| 139 | }
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| 140 |
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| 141 | sub remove_all {
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| 142 | my $self = shift (@_);
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| 143 | my ($pluginfo, $base_dir, $processor, $maxdocs) = @_;
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| 144 |
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| 145 | }
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| 146 |
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| 147 |
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| 148 | sub remove_one {
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| 149 | my $self = shift (@_);
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| 150 | my ($file, $oids, $archivedir) = @_;
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| 151 | return undef; # this will never be called for directories (will it??)
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| 152 |
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| 153 | }
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| 154 |
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| 155 |
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| 156 | # called at the end of each plugin pass
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| 157 | sub end {
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| 158 | my ($self) = shift (@_);
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| 159 |
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| 160 | }
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| 161 |
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| 162 |
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| 163 |
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| 164 | # return 1 if this class might recurse using $pluginfo
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| 165 | sub is_recursive {
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| 166 | my $self = shift (@_);
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| 167 |
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| 168 | return 1;
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| 169 | }
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| 170 |
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| 171 | sub get_default_block_exp {
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| 172 | my $self = shift (@_);
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| 173 |
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| 174 | return '(?i)(CVS|\.svn|Thumbs\.db|OIDcount|~)$';
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| 175 | }
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| 176 |
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| 177 | sub check_directory_path {
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| 178 |
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| 179 | my $self = shift(@_);
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| 180 | my ($dirname) = @_;
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| 181 |
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| 182 | return undef unless (-d $dirname);
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| 183 |
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| 184 | return 0 if ($self->{'block_exp'} ne "" && $dirname =~ /$self->{'block_exp'}/);
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| 185 |
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| 186 | my $outhandle = $self->{'outhandle'};
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| 187 |
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| 188 | # check to make sure we're not reading the archives or index directory
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| 189 | my $gsdlhome = quotemeta($ENV{'GSDLHOME'});
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| 190 | if ($dirname =~ m/^$gsdlhome\/.*?\/import.*?\/(archives|index)$/) {
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| 191 | print $outhandle "DirectoryPlugin: $dirname appears to be a reference to a Greenstone collection, skipping.\n";
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| 192 | return 0;
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| 193 | }
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| 194 |
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| 195 | # check to see we haven't got a cyclic path...
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| 196 | if ($dirname =~ m%(/.*){,41}%) {
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| 197 | print $outhandle "DirectoryPlugin: $dirname is 40 directories deep, is this a recursive path? if not increase constant in DirectoryPlugin.pm.\n";
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| 198 | return 0;
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| 199 | }
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| 200 |
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| 201 | # check to see we haven't got a cyclic path...
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| 202 | if ($dirname =~ m%.*?import/(.+?)/import/\1.*%) {
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| 203 | print $outhandle "DirectoryPlugin: $dirname appears to be in a recursive loop...\n";
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| 204 | return 0;
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| 205 | }
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| 206 |
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| 207 | return 1;
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| 208 | }
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| 209 |
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| 210 | # this may be called more than once
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| 211 | sub sort_out_associated_files {
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| 212 |
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| 213 | my $self = shift (@_);
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| 214 | my ($block_hash) = @_;
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| 215 | if (!scalar (keys %{$block_hash->{'shared_fileroot'}})) {
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| 216 | return;
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| 217 | }
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| 218 |
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| 219 | $self->{'assocfile_info'} = {} unless defined $self->{'assocfile_info'};
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| 220 | my $metadata = $self->{'assocfile_info'};
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| 221 | foreach my $prefix (keys %{$block_hash->{'shared_fileroot'}}) {
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| 222 | my $record = $block_hash->{'shared_fileroot'}->{$prefix};
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| 223 |
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| 224 | my $tie_to = $record->{'tie_to'};
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| 225 | my $exts = $record->{'exts'};
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| 226 |
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| 227 | if ((defined $tie_to) && (scalar (keys %$exts) > 0)) {
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| 228 | # set up fileblocks and assocfile_tobe
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| 229 | my $base_file = "$prefix$tie_to";
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| 230 | $metadata->{$base_file} = {} unless defined $metadata->{$base_file};
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| 231 | my $base_file_metadata = $metadata->{$base_file};
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| 232 |
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| 233 | $base_file_metadata->{'gsdlassocfile_tobe'} = [] unless defined $base_file_metadata->{'gsdlassocfile_tobe'};
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| 234 | my $assoc_tobe = $base_file_metadata->{'gsdlassocfile_tobe'};
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| 235 | foreach my $e (keys %$exts) {
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| 236 | # block the file
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| 237 | $self->block_filename($block_hash,"$prefix$e");
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| 238 | # set up as an associatd file
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| 239 | print STDERR " $self->{'plugin_type'}: Associating $prefix$e with $tie_to version\n";
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| 240 | my $mime_type = ""; # let system auto detect this
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| 241 | push(@$assoc_tobe,"$prefix$e:$mime_type:");
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| 242 |
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| 243 | }
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| 244 | }
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| 245 | } # foreach record
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| 246 |
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| 247 | $block_hash->{'shared_fileroot'} = undef;
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| 248 | $block_hash->{'shared_fileroot'} = {};
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| 249 |
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| 250 | }
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| 251 |
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| 252 |
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| 253 | # do block exp OR special blocking ???
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| 254 |
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| 255 | sub file_is_blocked {
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| 256 | my $self = shift (@_);
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| 257 | my ($block_hash, $filename_full_path) = @_;
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| 258 |
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| 259 | $filename_full_path = &util::upgrade_if_dos_filename($filename_full_path);
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| 260 | ### print STDERR "*** DirectoryPlugin::file_is_blocked $filename_full_path\n";
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| 261 |
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| 262 | if (defined $block_hash->{'file_blocks'}->{$filename_full_path}) {
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| 263 | $self->{'num_blocked'} ++;
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| 264 | return 1;
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| 265 | }
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| 266 | # check Directory plugin's own block_exp
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| 267 | if ($self->{'block_exp'} ne "" && $filename_full_path =~ /$self->{'block_exp'}/) {
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| 268 | $self->{'num_blocked'} ++;
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| 269 | return 1; # blocked
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| 270 | }
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| 271 | return 0;
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| 272 | }
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| 273 |
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| 274 |
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| 275 |
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| 276 | sub file_block_read {
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| 277 | my $self = shift (@_);
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| 278 | my ($pluginfo, $base_dir, $file, $block_hash, $metadata, $gli) = @_;
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| 279 |
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| 280 | my $outhandle = $self->{'outhandle'};
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| 281 | my $verbosity = $self->{'verbosity'};
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| 282 |
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| 283 | # Calculate the directory name and ensure it is a directory and
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| 284 | # that it is not explicitly blocked.
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| 285 | my $dirname = $file;
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| 286 | $dirname = &util::filename_cat ($base_dir, $file) if $base_dir =~ /\w/;
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| 287 |
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| 288 | my $directory_ok = $self->check_directory_path($dirname);
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| 289 | return $directory_ok unless (defined $directory_ok && $directory_ok == 1);
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| 290 |
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| 291 | print $outhandle "Global file scan checking directory: $dirname\n";
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| 292 |
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| 293 | $block_hash->{'all_files'} = {} unless defined $block_hash->{'all_files'};
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| 294 | $block_hash->{'metadata_files'} = {} unless defined $block_hash->{'metadata_files'};
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| 295 |
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| 296 | $block_hash->{'file_blocks'} = {} unless defined $block_hash->{'file_blocks'};
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| 297 | $block_hash->{'shared_fileroot'} = {} unless defined $block_hash->{'shared_fileroot'};
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| 298 |
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| 299 | # Recur over directory contents.
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| 300 | my (@dir, $subfile);
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| 301 | #my $count = 0;
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| 302 |
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| 303 | print $outhandle "DirectoryPlugin block: getting directory $dirname\n" if ($verbosity > 2);
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| 304 |
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| 305 | # find all the files in the directory
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| 306 | if (!opendir (DIR, $dirname)) {
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| 307 | if ($gli) {
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| 308 | print STDERR "<ProcessingError n='$file' r='Could not read directory $dirname'>\n";
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| 309 | }
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| 310 | print $outhandle "DirectoryPlugin: WARNING - couldn't read directory $dirname\n";
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| 311 | return -1; # error in processing
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| 312 | }
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| 313 | @dir = readdir (DIR);
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| 314 | closedir (DIR);
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| 315 |
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| 316 | for (my $i = 0; $i < scalar(@dir); $i++) {
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| 317 | my $raw_subfile = $dir[$i];
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| 318 | next if ($raw_subfile =~ m/^\.\.?$/);
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| 319 |
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| 320 | my $this_file_base_dir = $base_dir;
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| 321 | my $raw_file_subfile = &util::filename_cat($file, $raw_subfile);
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| 322 |
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| 323 | # Recursively read each $raw_subfile
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| 324 | print $outhandle "DirectoryPlugin block recurring: $raw_file_subfile\n" if ($verbosity > 2);
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| 325 |
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| 326 | #$count += &plugin::file_block_read ($pluginfo, $this_file_base_dir,
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| 327 |
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| 328 | &plugin::file_block_read ($pluginfo, $this_file_base_dir,
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| 329 | $raw_file_subfile,
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| 330 | $block_hash, $metadata, $gli);
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| 331 |
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| 332 | }
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| 333 | $self->sort_out_associated_files($block_hash);
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| 334 | #return $count;
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| 335 | return 1;
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| 336 |
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| 337 | }
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| 338 |
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| 339 | # We don't do metadata_read
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| 340 | sub metadata_read {
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| 341 | my $self = shift (@_);
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| 342 | my ($pluginfo, $base_dir, $file, $block_hash,
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| 343 | $extrametakeys, $extrametadata, $extrametafile,
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| 344 | $processor, $gli, $aux) = @_;
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| 345 |
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| 346 | return undef;
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| 347 | }
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| 348 |
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| 349 |
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| 350 | # return number of files processed, undef if can't process
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| 351 | # Note that $base_dir might be "" and that $file might
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| 352 | # include directories
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| 353 |
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| 354 | # This function passes around metadata hash structures. Metadata hash
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| 355 | # structures are hashes that map from a (scalar) key (the metadata element
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| 356 | # name) to either a scalar metadata value or a reference to an array of
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| 357 | # such values.
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| 358 |
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| 359 | sub read {
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| 360 | my $self = shift (@_);
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| 361 | my ($pluginfo, $base_dir, $file, $block_hash, $in_metadata, $processor, $maxdocs, $total_count, $gli) = @_;
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| 362 |
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| 363 | my $outhandle = $self->{'outhandle'};
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| 364 | my $verbosity = $self->{'verbosity'};
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| 365 |
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| 366 | # Calculate the directory name and ensure it is a directory and
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| 367 | # that it is not explicitly blocked.
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| 368 | my $dirname;
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| 369 | if ($file eq "") {
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| 370 | $dirname = $base_dir;
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| 371 | } else {
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| 372 | $dirname = $file;
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| 373 | $dirname = &util::filename_cat ($base_dir, $file) if $base_dir =~ /\w/;
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| 374 | }
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| 375 |
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| 376 | my $directory_ok = $self->check_directory_path($dirname);
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| 377 | return $directory_ok unless (defined $directory_ok && $directory_ok == 1);
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| 378 |
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| 379 | if (($verbosity > 2) && ((scalar keys %$in_metadata) > 0)) {
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| 380 | print $outhandle "DirectoryPlugin: metadata passed in: ",
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| 381 | join(", ", keys %$in_metadata), "\n";
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| 382 | }
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| 383 |
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| 384 |
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| 385 | # Recur over directory contents.
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| 386 | my (@dir, $subfile);
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| 387 |
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| 388 | print $outhandle "DirectoryPlugin read: getting directory $dirname\n" if ($verbosity > 2);
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| 389 |
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| 390 | # find all the files in the directory
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| 391 | if (!opendir (DIR, $dirname)) {
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| 392 | if ($gli) {
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| 393 | print STDERR "<ProcessingError n='$file' r='Could not read directory $dirname'>\n";
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| 394 | }
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| 395 | print $outhandle "DirectoryPlugin: WARNING - couldn't read directory $dirname\n";
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| 396 | return -1; # error in processing
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| 397 | }
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| 398 | @dir = readdir (DIR);
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| 399 | map { $_ = &unicode::raw_filename_to_url_encoded($_) } @dir;
|
|---|
| 400 | closedir (DIR);
|
|---|
| 401 |
|
|---|
| 402 | # Re-order the files in the list so any directories ending with .all are moved to the end
|
|---|
| 403 | for (my $i = scalar(@dir) - 1; $i >= 0; $i--) {
|
|---|
| 404 | if (-d &util::filename_cat($dirname, $dir[$i]) && $dir[$i] =~ /\.all$/) {
|
|---|
| 405 | push(@dir, splice(@dir, $i, 1));
|
|---|
| 406 | }
|
|---|
| 407 | }
|
|---|
| 408 |
|
|---|
| 409 | # setup the metadata structures. we do a metadata_read pass to see if there is any additional metadata, then pass it to read
|
|---|
| 410 |
|
|---|
| 411 | my $additionalmetadata = 0; # is there extra metadata available?
|
|---|
| 412 | my %extrametadata; # maps from filespec to extra metadata keys
|
|---|
| 413 | my %extrametafile; # maps from filespec to the metadata.xml (or similar) file it came from
|
|---|
| 414 | my @extrametakeys; # keys of %extrametadata in order read
|
|---|
| 415 |
|
|---|
| 416 |
|
|---|
| 417 | my $os_dirsep = &util::get_os_dirsep();
|
|---|
| 418 | my $dirsep = &util::get_dirsep();
|
|---|
| 419 | my $base_dir_regexp = $base_dir;
|
|---|
| 420 | $base_dir_regexp =~ s/\//$os_dirsep/g;
|
|---|
| 421 | my $local_dirname = $dirname;
|
|---|
| 422 |
|
|---|
| 423 | $local_dirname =~ s/^$base_dir_regexp($os_dirsep)*//;
|
|---|
| 424 | # if we are in import folder, then local_dirname will be empty
|
|---|
| 425 | if ($local_dirname ne "") {
|
|---|
| 426 | # look for extra metadata passed down from higher folders
|
|---|
| 427 | $local_dirname .= $dirsep;
|
|---|
| 428 | if (defined $self->{'subdir_extrametakeys'}->{$local_dirname}) {
|
|---|
| 429 | my $extrakeys = $self->{'subdir_extrametakeys'}->{$local_dirname};
|
|---|
| 430 | foreach my $ek (@$extrakeys) {
|
|---|
| 431 | my $extrakeys_re = $ek->{'re'};
|
|---|
| 432 | my $extrakeys_md = $ek->{'md'};
|
|---|
| 433 | my $extrakeys_mf = $ek->{'mf'};
|
|---|
| 434 | push(@extrametakeys,$extrakeys_re);
|
|---|
| 435 | $extrametadata{$extrakeys_re} = $extrakeys_md;
|
|---|
| 436 | $extrametafile{$extrakeys_re} = $extrakeys_mf;
|
|---|
| 437 | }
|
|---|
| 438 | delete($self->{'subdir_extrametakeys'}->{$local_dirname});
|
|---|
| 439 | }
|
|---|
| 440 | }
|
|---|
| 441 | # apply metadata pass for each of the files in the directory -- ignore
|
|---|
| 442 | # maxdocs here
|
|---|
| 443 | my $num_files = scalar(@dir);
|
|---|
| 444 | for (my $i = 0; $i < scalar(@dir); $i++) {
|
|---|
| 445 | my $subfile = $dir[$i];
|
|---|
| 446 | next if ($subfile =~ m/^\.\.?$/);
|
|---|
| 447 |
|
|---|
| 448 | my $this_file_base_dir = $base_dir;
|
|---|
| 449 | my $raw_subfile = &unicode::url_encoded_to_raw_filename($subfile);
|
|---|
| 450 |
|
|---|
| 451 | my $raw_file_subfile = &util::filename_cat($file, $raw_subfile);
|
|---|
| 452 | my $raw_full_filename = &util::filename_cat($this_file_base_dir, $raw_file_subfile);
|
|---|
| 453 |
|
|---|
| 454 | if ($self->file_is_blocked($block_hash,$raw_full_filename)) {
|
|---|
| 455 | print STDERR "DirectoryPlugin: file $raw_full_filename was blocked for metadata_read\n" if ($verbosity > 2);
|
|---|
| 456 | next;
|
|---|
| 457 | }
|
|---|
| 458 |
|
|---|
| 459 | # Recursively read each $raw_subfile
|
|---|
| 460 | print $outhandle "DirectoryPlugin metadata recurring: $raw_subfile\n" if ($verbosity > 2);
|
|---|
| 461 |
|
|---|
| 462 | &plugin::metadata_read ($pluginfo, $this_file_base_dir,
|
|---|
| 463 | $raw_file_subfile,$block_hash,
|
|---|
| 464 | \@extrametakeys, \%extrametadata,
|
|---|
| 465 | \%extrametafile,
|
|---|
| 466 | $processor, $gli);
|
|---|
| 467 | $additionalmetadata = 1;
|
|---|
| 468 | }
|
|---|
| 469 |
|
|---|
| 470 | # filter out any extrametakeys that mention subdirectories and store
|
|---|
| 471 | # for later use (i.e. when that sub-directory is being processed)
|
|---|
| 472 | foreach my $ek (@extrametakeys) {
|
|---|
| 473 | my ($subdir_re,$extrakey_dir) = &File::Basename::fileparse($ek);
|
|---|
| 474 | $extrakey_dir =~ s/\\\./\./g; # remove RE syntax for .
|
|---|
| 475 | $extrakey_dir =~ s/\\\\/\\/g; # remove RE syntax for \
|
|---|
| 476 |
|
|---|
| 477 | my $dirsep_re = &util::get_re_dirsep();
|
|---|
| 478 |
|
|---|
| 479 | my $ek_non_re = $ek;
|
|---|
| 480 | $ek_non_re =~ s/\\\./\./g; # remove RE syntax for .
|
|---|
| 481 | $ek_non_re =~ s/\\\\/\\/g; # remove RE syntax for \
|
|---|
| 482 | if ($ek_non_re =~ m/$dirsep_re/) { # specifies at least one directory
|
|---|
| 483 | my $md = $extrametadata{$ek};
|
|---|
| 484 | my $mf = $extrametafile{$ek};
|
|---|
| 485 |
|
|---|
| 486 | my $subdir_extrametakeys = $self->{'subdir_extrametakeys'};
|
|---|
| 487 |
|
|---|
| 488 | my $subdir_rec = { 're' => $subdir_re, 'md' => $md, 'mf' => $mf };
|
|---|
| 489 |
|
|---|
| 490 | # when its looked up, it must be relative to the base dir
|
|---|
| 491 | push(@{$subdir_extrametakeys->{"$local_dirname$extrakey_dir"}},$subdir_rec);
|
|---|
| 492 | #push(@{$subdir_extrametakeys->{"$extrakey_dir"}},$subdir_rec);
|
|---|
| 493 | }
|
|---|
| 494 | }
|
|---|
| 495 |
|
|---|
| 496 | # import each of the files in the directory
|
|---|
| 497 | my $count=0;
|
|---|
| 498 | for (my $i = 0; $i <= scalar(@dir); $i++) {
|
|---|
| 499 | # When every file in the directory has been done, pause for a moment (figuratively!)
|
|---|
| 500 | # If the -recheck_directories argument hasn't been provided, stop now (default)
|
|---|
| 501 | # Otherwise, re-read the contents of the directory to check for new files
|
|---|
| 502 | # Any new files are added to the @dir list and are processed as normal
|
|---|
| 503 | # This is necessary when documents to be indexed are specified in bibliographic DBs
|
|---|
| 504 | # These files are copied/downloaded and stored in a new folder at import time
|
|---|
| 505 | if ($i == $num_files) {
|
|---|
| 506 | last unless $self->{'recheck_directories'};
|
|---|
| 507 |
|
|---|
| 508 | # Re-read the files in the directory to see if there are any new files
|
|---|
| 509 | last if (!opendir (DIR, $dirname));
|
|---|
| 510 | my @dirnow = readdir (DIR);
|
|---|
| 511 | map { $_ = &unicode::raw_filename_to_url_encoded($_) } @dirnow;
|
|---|
| 512 | closedir (DIR);
|
|---|
| 513 |
|
|---|
| 514 | # We're only interested if there are more files than there were before
|
|---|
| 515 | last if (scalar(@dirnow) <= scalar(@dir));
|
|---|
| 516 |
|
|---|
| 517 | # Any new files are added to the end of @dir to get processed by the loop
|
|---|
| 518 | my $j;
|
|---|
| 519 | foreach my $subfilenow (@dirnow) {
|
|---|
| 520 | for ($j = 0; $j < $num_files; $j++) {
|
|---|
| 521 | last if ($subfilenow eq $dir[$j]);
|
|---|
| 522 | }
|
|---|
| 523 | if ($j == $num_files) {
|
|---|
| 524 | # New file
|
|---|
| 525 | push(@dir, $subfilenow);
|
|---|
| 526 | }
|
|---|
| 527 | }
|
|---|
| 528 | # When the new files have been processed, check again
|
|---|
| 529 | $num_files = scalar(@dir);
|
|---|
| 530 | }
|
|---|
| 531 |
|
|---|
| 532 | my $subfile = $dir[$i];
|
|---|
| 533 | last if ($maxdocs != -1 && ($count + $total_count) >= $maxdocs);
|
|---|
| 534 | next if ($subfile =~ /^\.\.?$/);
|
|---|
| 535 |
|
|---|
| 536 | my $this_file_base_dir = $base_dir;
|
|---|
| 537 | my $raw_subfile = &unicode::url_encoded_to_raw_filename($subfile);
|
|---|
| 538 |
|
|---|
| 539 | my $raw_file_subfile = &util::filename_cat($file, $raw_subfile);
|
|---|
| 540 | my $raw_full_filename
|
|---|
| 541 | = &util::filename_cat($this_file_base_dir,$raw_file_subfile);
|
|---|
| 542 |
|
|---|
| 543 | if ($self->file_is_blocked($block_hash,$raw_full_filename)) {
|
|---|
| 544 | print STDERR "DirectoryPlugin: file $raw_full_filename was blocked for read\n" if ($verbosity > 2);
|
|---|
| 545 | next;
|
|---|
| 546 | }
|
|---|
| 547 | #print STDERR "processing $raw_full_filename\n";
|
|---|
| 548 | # Follow Windows shortcuts
|
|---|
| 549 | if ($raw_subfile =~ /(?i)\.lnk$/ && $ENV{'GSDLOS'} =~ /^windows$/i) {
|
|---|
| 550 | require Win32::Shortcut;
|
|---|
| 551 | my $shortcut = new Win32::Shortcut(&util::filename_cat($dirname, $raw_subfile));
|
|---|
| 552 | if ($shortcut) {
|
|---|
| 553 | # The file to be processed is now the target of the shortcut
|
|---|
| 554 | $this_file_base_dir = "";
|
|---|
| 555 | $file = "";
|
|---|
| 556 | $raw_subfile = $shortcut->Path;
|
|---|
| 557 | }
|
|---|
| 558 | }
|
|---|
| 559 |
|
|---|
| 560 | # check for a symlink pointing back to a leading directory
|
|---|
| 561 | if (-d "$dirname/$raw_subfile" && -l "$dirname/$raw_subfile") {
|
|---|
| 562 | # readlink gives a "fatal error" on systems that don't implement
|
|---|
| 563 | # symlinks. This assumes the the -l test above would fail on those.
|
|---|
| 564 | my $linkdest=readlink "$dirname/$raw_subfile";
|
|---|
| 565 | if (!defined ($linkdest)) {
|
|---|
| 566 | # system error - file not found?
|
|---|
| 567 | warn "DirectoryPlugin: symlink problem - $!";
|
|---|
| 568 | } else {
|
|---|
| 569 | # see if link points to current or a parent directory
|
|---|
| 570 | if ($linkdest =~ m@^[\./\\]+$@ ||
|
|---|
| 571 | index($dirname, $linkdest) != -1) {
|
|---|
| 572 | warn "DirectoryPlugin: Ignoring recursive symlink ($dirname/$raw_subfile -> $linkdest)\n";
|
|---|
| 573 | next;
|
|---|
| 574 | ;
|
|---|
| 575 | }
|
|---|
| 576 | }
|
|---|
| 577 | }
|
|---|
| 578 |
|
|---|
| 579 | print $outhandle "DirectoryPlugin: preparing metadata for $raw_subfile\n" if ($verbosity > 2);
|
|---|
| 580 |
|
|---|
| 581 | # Make a copy of $in_metadata to pass to $raw_subfile
|
|---|
| 582 | my $out_metadata = {};
|
|---|
| 583 | &metadatautil::combine_metadata_structures($out_metadata, $in_metadata);
|
|---|
| 584 |
|
|---|
| 585 | # check the assocfile_info
|
|---|
| 586 | if (defined $self->{'assocfile_info'}->{$raw_full_filename}) {
|
|---|
| 587 | &metadatautil::combine_metadata_structures($out_metadata, $self->{'assocfile_info'}->{$raw_full_filename});
|
|---|
| 588 | }
|
|---|
| 589 |
|
|---|
| 590 | # $subfile by this point is url-encoded => all ASCII chars => no need to encode as UTF8
|
|---|
| 591 |
|
|---|
| 592 | # Next add metadata read in XML files (if it is supplied)
|
|---|
| 593 | if ($additionalmetadata == 1) {
|
|---|
| 594 | foreach my $filespec (@extrametakeys) {
|
|---|
| 595 | ## use the url-encoded filename to do the filename comparison
|
|---|
| 596 |
|
|---|
| 597 | if ($subfile =~ /^$filespec$/) {
|
|---|
| 598 | print $outhandle "File \"$subfile\" matches filespec \"$filespec\"\n"
|
|---|
| 599 | if ($verbosity > 2);
|
|---|
| 600 | my $mdref = $extrametadata{$filespec};
|
|---|
| 601 | my $mfref = $extrametafile{$filespec};
|
|---|
| 602 |
|
|---|
| 603 | # Add the list files where the metadata came from
|
|---|
| 604 | # into the metadata table so we can track this
|
|---|
| 605 | # This mechanism is similar to how gsdlassocfile works
|
|---|
| 606 |
|
|---|
| 607 | my @metafile_pair = ();
|
|---|
| 608 | foreach my $l (keys %$mfref) {
|
|---|
| 609 | my $f = $mfref->{$l};
|
|---|
| 610 | push (@metafile_pair, "$f : $l");
|
|---|
| 611 | }
|
|---|
| 612 |
|
|---|
| 613 | $mdref->{'gsdlmetafile'} = \@metafile_pair;
|
|---|
| 614 |
|
|---|
| 615 | &metadatautil::combine_metadata_structures($out_metadata, $mdref);
|
|---|
| 616 | }
|
|---|
| 617 | }
|
|---|
| 618 | }
|
|---|
| 619 |
|
|---|
| 620 | if (defined $self->{'inf_timestamp'}) {
|
|---|
| 621 | # Look to see if it's a completely new file
|
|---|
| 622 |
|
|---|
| 623 | if (!$block_hash->{'new_files'}->{$raw_full_filename}) {
|
|---|
| 624 | # Not a new file, must be an existing file
|
|---|
| 625 | # Let' see if it's newer than the last import.pl
|
|---|
| 626 |
|
|---|
| 627 |
|
|---|
| 628 | if (! -d $raw_full_filename) {
|
|---|
| 629 | if (!$block_hash->{'reindex_files'}->{$raw_full_filename}) {
|
|---|
| 630 | # filename has been around for longer than inf_timestamp
|
|---|
| 631 | print $outhandle "**** Skipping $subfile\n" if ($verbosity >3);
|
|---|
| 632 | next;
|
|---|
| 633 | }
|
|---|
| 634 | else {
|
|---|
| 635 | # Remove old folder in archives (might hash to something different)
|
|---|
| 636 | # *** should be doing this on a Del one as well
|
|---|
| 637 | # but leave folder name?? and ensure hashs to
|
|---|
| 638 | # same again??
|
|---|
| 639 |
|
|---|
| 640 | # Then let through as new doc??
|
|---|
| 641 |
|
|---|
| 642 | # mark to doc-oids that rely on it for re-indexing
|
|---|
| 643 | }
|
|---|
| 644 | }
|
|---|
| 645 | }
|
|---|
| 646 | }
|
|---|
| 647 |
|
|---|
| 648 | # Recursively read each $subfile
|
|---|
| 649 | print $outhandle "DirectoryPlugin recurring: $subfile\n" if ($verbosity > 2);
|
|---|
| 650 |
|
|---|
| 651 | $count += &plugin::read ($pluginfo, $this_file_base_dir,
|
|---|
| 652 | $raw_file_subfile, $block_hash,
|
|---|
| 653 | $out_metadata, $processor, $maxdocs, ($total_count + $count), $gli);
|
|---|
| 654 | }
|
|---|
| 655 |
|
|---|
| 656 | return $count;
|
|---|
| 657 | }
|
|---|
| 658 |
|
|---|
| 659 | sub compile_stats {
|
|---|
| 660 | my $self = shift(@_);
|
|---|
| 661 | my ($stats) = @_;
|
|---|
| 662 | }
|
|---|
| 663 |
|
|---|
| 664 | 1;
|
|---|
