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use strict; |
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use warnings; |
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|
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=head1 NAME |
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|
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Perly::Action::Run |
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|
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=cut |
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|
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package Perly::Action::Run; |
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use base qw/Perly::Action Jifty::Action/; |
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|
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use Data::Dump qw/dump/; |
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use File::Temp qw/tempdir/; |
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use File::Slurp; |
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use Cwd qw/cwd/; |
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use Perly::Depends; |
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|
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use Jifty::Param::Schema; |
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use Jifty::Action schema { |
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|
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param input => |
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label is 'Input data', |
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available are defer { |
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my $coll = Perly::Model::InputCollection->new; |
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$coll->unlimit; |
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[ '', { |
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display_from => 'name', |
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value_from => 'id', |
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collection => $coll, |
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}]; |
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}, |
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render as 'Select'; |
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|
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param code => |
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label is 'Source code', |
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available are defer { |
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my $coll = Perly::Model::CodeCollection->new; |
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$coll->unlimit; |
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[{ |
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display_from => 'name', |
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value_from => 'id', |
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collection => $coll, |
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}]; |
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}, |
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render as 'Select', |
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is mandatory; |
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}; |
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|
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sub sticky_on_success { 1 } |
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sub sticky_on_failure { 1 } |
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|
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=head2 take_action |
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|
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This action is B<huge security hole>. It executes script entered over web |
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page, without any sandboxing in new shell under user running Jifty. |
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|
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=cut |
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|
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sub take_action { |
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my $self = shift; |
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|
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my $code = Perly::Model::Code->new; |
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$code->load( $self->argument_value( 'code' ) ) or die "can't load code"; |
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|
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my $input = Perly::Model::Input->new; |
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if ( my $input_id = $self->argument_value( 'input' ) ) { |
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$input->load( $input_id ) or die "can't load $input_id"; |
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} |
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|
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my $cwd = cwd; |
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my $dir = tempdir( '/tmp/perly-XXXX', CLEANUP => 1 ); |
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|
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chdir( $dir ) || die "can't chdir $dir"; |
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|
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write_file( $code->name, $code->source ) or die "can't write " . $code->name . ": $!"; |
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chmod 0700, $code->name; |
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my $cmd = './' . $code->name; |
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my $message = '$ <a href="/edit?id=' . $code->id . '">' . $code->name . '</a>'; |
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|
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my $deps = Perly::Depends->parse( $code->source ); |
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foreach my $module ( @{ $deps->{depends_on} } ) { |
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my $filename = $module . '.pm'; |
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my $dep_code = Perly::Model::Code->new; |
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$dep_code->load_by_cols( name => $filename ); |
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die "can't find $filename -- do you need to create it first?\n" unless ( $dep_code->id ); |
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write_file( $filename, $dep_code->source ) or die "can't write $filename: $!"; |
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warn "dependency $module in file $filename\n"; |
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} |
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|
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if ( $input->content ) { |
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write_file( $input->name, $input->content ) or die "can't write " . $input->name . ": $!"; |
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$cmd .= ' ' . $input->name; |
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$message .= ' ' . $input->name; |
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$self->result->content( input => $input->content ); |
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} |
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|
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my $output; |
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my $timeout = Jifty->config->app('timeout') || 10; |
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|
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eval { |
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local $SIG{ALRM} = sub { die "Aborted execution after $timeout sec.\n" }; # NB: \n required |
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alarm $timeout; |
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warn ">> $dir >> $cmd\n"; |
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$output = `$cmd 2>&1`; |
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alarm 0; |
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}; |
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if ($@) { |
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die "$@\n" unless $@ eq "alarm\n"; # propagate unexpected errors |
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} |
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|
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$output =~ s/^Can't ignore signal CHLD, forcing to default\.\n//s; |
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$self->result->content( output => $output ); |
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|
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warn "$message\n$output\n"; |
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|
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chdir( $cwd ) || die "can't return to $cwd"; |
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|
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$self->result->message( $message ); |
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|
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#warn "content in action = ",dump( $self->result->content ); |
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|
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return 1; |
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} |
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|
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1; |
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