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10 years ago
package LDV::Zerobin;
use strict;
use warnings;
use utf8;
use JSON qw(encode_json decode_json);
use POSIX qw(strftime tmpnam);
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use Mojo::Base 'Mojolicious::Controller';
use Mojo::Asset::File;
use Mojo::Util qw(b64_encode b64_decode decode encode);
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sub _paste_path {
my ($self, $time) = @_;
my $root ||= $self->app->config->{zerobin}->{root};
return $self->app->home->rel_file("$root/$time.json");
}
sub create {
my ($self) = @_;
my @syntax = ($self->c(text => ['plaintext', 'markdown']));
my $langs = $self->app->config->{zerobin}->{syntax};
push @syntax, $self->c(code => $langs)
if (ref($langs) eq 'ARRAY');
$self->stash({syntax => \@syntax});
$self->render();
}
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sub view {
my ($self) = @_;
my $time = $self->stash('time');
eval {
die("paste not found\n") unless ($time);
my $path = $self->_paste_path($time);
die("paste not found\n") unless (-f $path);
my $asset = Mojo::Asset::File->new(path => $path);
my $json = decode_json($asset->slurp());
$json->{data} = decode('UTF-8', b64_decode($json->{data}));
if (time() > $json->{expire}) {
unlink($path);
die("paste expired\n");
}
$self->stash({paste => $json});
} or do {
chomp $@;
$self->app->log->error($@);
$@ = "internal error" if ($@ =~ m|at \S+ line \d+|oi);
$self->flash({'result' => $@});
$self->redirect_to("/zerobin2");
return;
};
$self->render();
}
sub save {
my ($self) = @_;
eval {
my $source = $self->req->param('source') || '-';
my $expire = $self->req->param('expire') || 30; # 1 month
my $syntax = $self->req->param('syntax') || '';
my $paste;
if ($source eq 'form') {
$paste = $self->req->param('paste') || '';
die("empty paste\n") unless $paste;
} elsif ($source eq 'file') {
require File::MimeInfo::Magic;
my $tmpfile = tmpnam();
my $maxsize = $self->app->config->{zerobin}->{maxsize};
my $upload = $self->req->upload('file');
die("empty uploaded file\n")
if $upload->size == 0;
die("uploaded file too large\n")
if $upload->size > $maxsize;
$upload->move_to($tmpfile);
$upload->asset->cleanup(1)
if $upload->asset->SUPER::can('cleanup');
my $mime = File::MimeInfo::Magic::mimetype($tmpfile);
die("uploaded file not looks like text\n")
unless $mime =~ m{^text/};
$paste = $upload->asset->slurp;
unlink $tmpfile;
} else {
die("unknown 'source'\n");
}
$expire = 30 unless ($expire =~ m|^\d+$|o);
$syntax = 'auto' unless ($syntax =~ m|^[a-z0-9]+$|oi);
my $time = time();
my $json = {
expire => $time + ($expire * 86400),
syntax => $syntax,
data => b64_encode(encode('UTF-8', $paste)),
};
my $asset = Mojo::Asset::File->new;
$asset->add_chunk(encode_json($json));
$asset->move_to($self->_paste_path($time));
$self->redirect_to("/zerobin2/$time"); 1;
} or do {
chomp $@;
$self->app->log->error($@);
$@ = "internal error" if ($@ =~ m|at \S+ line \d+|oi);
$self->flash({'result' => $@});
$self->redirect_to("/zerobin2");
};
$self->rendered();
return 1;
}
sub prune {
my ($self) = @_;
eval {
my $time = time();
my $storage = $self->app->config->{zerobin}->{root};
my $files = $self->app->home->list_files($storage);
foreach my $file (@$files) {
next unless $file =~ m/^(\d+)\.json$/oi;
my $time = $1;
my $path = $self->app->home->rel_file("$storage/$file");
my $asset = Mojo::Asset::File->new(path => $path);
my $data = decode_json($asset->slurp);
next if ($data->{expire} > $time); # not yet
my $date = strftime("%Y-%m-%d %H:%M", localtime($data->{expire}));
$self->app->log->info("Removing expired paste: $file ($date)");
unlink $path;
} 1;
} or do {
chomp $@;
$self->app->log->error($@);
$@ = "internal error" if ($@ =~ m|at \S+ line \d+|oi);
$self->stash({'result' => $@});
};
$self->redirect_to("/zerobin2");
$self->rendered();
return 1;
}
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1;