115 lines
3.0 KiB
Perl
115 lines
3.0 KiB
Perl
# vim:set sw=4 ts=4 sts=4 ft=perl expandtab:
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package Lufi::Plugin::Helpers;
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use Mojo::Base 'Mojolicious::Plugin';
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use Data::Entropy qw(entropy_source);
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use LufiDB;
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sub register {
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my ($self, $app) = @_;
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# SQLite database migration if needed
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my $columns = LufiDB::Files->table_info;
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my $pwd_col = 0;
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foreach my $col (@{$columns}) {
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$pwd_col = 1 if $col->{name} eq 'passwd';
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}
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unless ($pwd_col) {
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LufiDB->do('ALTER TABLE files ADD COLUMN passwd TEXT;');
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}
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$app->helper(provisioning => \&_provisioning);
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$app->helper(get_empty => \&_get_empty);
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$app->helper(shortener => \&_shortener);
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$app->helper(ip => \&_ip);
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$app->helper(default_delay => \&_default_delay);
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$app->helper(max_delay => \&_max_delay);
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$app->helper(is_selected => \&_is_selected);
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$app->helper(stop_upload => \&_stop_upload);
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}
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sub _provisioning {
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my $c = shift;
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# Create some short patterns for provisioning
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if (LufiDB::Files->count('WHERE created_at IS NULL') < $c->config('provisioning')) {
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for (my $i = 0; $i < $c->config('provis_step'); $i++) {
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if (LufiDB->begin) {
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my $short;
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do {
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$short= $c->shortener($c->config('length'));
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} while (LufiDB::Files->count('WHERE short = ?', $short));
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LufiDB::Files->create(
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short => $short
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);
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LufiDB->commit;
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}
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}
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}
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}
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sub _get_empty {
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my $c = shift;
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my @records = LufiDB::Files->select('WHERE created_at IS NULL LIMIT 1');
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return $records[0];
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}
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sub _shortener {
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my $c = shift;
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my $length = shift;
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my @chars = ('a'..'z','A'..'Z','0'..'9', '-', '_');
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my $result = '';
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foreach (1..$length) {
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$result .= $chars[entropy_source->get_int(scalar(@chars))];
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}
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return $result;
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}
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sub _ip {
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my $c = shift;
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my $proxy = $c->req->headers->header('X-Forwarded-For');
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my $ip = ($proxy) ? $proxy : $c->tx->remote_address;
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my $remote_port = (defined($c->req->headers->header('X-Remote-Port'))) ? $c->req->headers->header('X-Remote-Port') : $c->tx->remote_port;
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return "$ip remote port:$remote_port";
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}
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sub _default_delay {
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my $c = shift;
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return $c->config('default_delay') if ($c->config('default_delay') >= 0);
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warn "default_delay set to a negative value. Default to 0.";
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return 0;
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}
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sub _max_delay {
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my $c = shift;
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return $c->config('max_delay') if ($c->config('max_delay') >= 0);
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warn "max_delay set to a negative value. Default to 0.";
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return 0;
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}
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sub _is_selected {
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my $c = shift;
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my $num = shift;
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return ($num == $c->max_delay) ? 'selected="selected"' : '' if ($c->max_delay && !$c->default_delay);
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return ($num == $c->default_delay) ? 'selected="selected"' : '';
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}
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sub _stop_upload {
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my $c = shift;
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if (-f 'stop-upload' || -f 'stop-upload.manual') {
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return 1;
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}
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return 0;
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}
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1;
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