explained below. Per default URLs are selected, see options for a way to
change this.
+I<NOTE>: Opening URLs in the browser passes the URL via the command line which
+leaks URLs to other users on the current system via C<ps aux> or C<top>.
+
I<NOTE>: When yanking (copying) a temporary file is used to pass the data to
-GNU screen/Tmux without exposing it to C<ps ux> or C<top>. However this may
+GNU screen/Tmux without exposing it to C<ps aux> or C<top>. However this may
leak data if those temporary files are written to disk. To prevent this change
-your C<$TMP> accordingly to point to a memory-only location or encrypted
-storage.
+your C<$TMP> to point to a memory-only location or encrypted storage.
If no window appears, try running B<fcscs> manually to catch the error message
and please report the bug:
sub draw_prompt {
my ($self, $config) = @_;
+ $self->debug('draw_prompt', 'started');
+
my $x = 0;
my $y = $self->height - 1;
# Draw prompt flags.
if (defined (my $s = $self->{prompt}{flags})) {
$s = "[$s]";
+ $self->debug('draw_prompt', $s);
$self->draw_clipped($y, $x, $config->{attribute}{prompt_flags}, $s);
$x += length($s) + 1; # space between next element
}
# Draw prompt name.
if (defined (my $s = $self->{prompt}{name})) {
$s = "[$s]";
+ $self->debug('draw_prompt', $s);
$self->draw_clipped($y, $x, $config->{attribute}{prompt_name}, $s);
$x += length($s) + 1;
}
# Draw prompt value, e.g. a search field.
if (defined (my $s = $self->{prompt}{value})) {
+ $self->debug('draw_prompt', $s);
$self->draw_clipped($y, $x, undef, $s);
$x += length($s) + 1;
}
$self->deinit;
exit 1;
}
+ sub debug {
+ my ($self, $module, @args) = @_;
+
+ return if not $self->{debug};
+
+ state $fh; # only open the file once per run
+ if (not defined $fh) {
+ # Ignore errors if the directory doesn't exist.
+ if (not open $fh, '>', "$ENV{HOME}/.config/fcscs/log") {
+ $fh = undef; # a failed open still writes a value to $fh
+ return;
+ }
+ }
+
+ foreach (@args) {
+ $_ = $self->encode($_);
+ }
+ say $fh "$module: @args";
+ return;
+ }
sub prompt {
# FUNCTIONS
-sub debug {
- my ($config, $module, @args) = @_;
-
- return if not $config->{setting}{debug};
-
- state $fh; # only open the file once per run
- if (not defined $fh) {
- # Ignore errors if the directory doesn't exist.
- if (not open $fh, '>', "$ENV{HOME}/.config/fcscs/log") {
- $fh = undef; # a failed open still writes a value to $fh
- return;
- }
- }
-
- say $fh "$module: @args";
- return;
-}
-
-
sub prepare_input {
my ($screen, $input_ref) = @_;
sub run_command {
- my ($config, $cmd) = @_;
+ my ($screen, $config, $cmd) = @_;
- debug $config, 'run_command', "running @{$cmd}";
+ $screen->debug('run_command', "running @{$cmd}");
my $exit = do {
# Perl's system() combined with a $SIG{__WARN__} which die()s has
# a working $$.
no warnings;
- system { $cmd->[0] } @{$cmd};
+ my @cmd = map { $screen->encode($_) } @{$cmd};
+ system { $cmd[0] } @cmd;
};
if ($exit != 0) {
my $msg;
return;
}
sub run_in_background {
- my ($config, $sub) = @_;
+ my ($screen, $sub) = @_;
- debug $config, 'run_in_background', "running $sub";
+ $screen->debug('run_in_background', "running $sub");
my $pid = fork;
defined $pid or die $!;
sub select_match {
my ($name, $screen, $config, $input, $matches) = @_;
- debug $config, 'select_match', 'started';
+ $screen->debug('select_match', 'started');
return if @{$matches} == 0;
# Don't return on initial run to give the user a chance to select another
# mode, e.g. to switch from URL selection to search selection.
- if (@{$matches} == 1 and not $config->{state}->{initial}) {
+ if (@{$matches} == 1 and not $config->{state}{initial}) {
return { match => $matches->[0] };
}
$config->{state}{initial} = 0;
foreach (@{$matches}) {
return { match => $_ } if $_->{id} == $number;
}
- debug $config, 'select_match', 'no match selected';
+ $screen->debug('select_match', 'no match selected');
return { match => undef };
}
sub extend_match {
my ($screen, $config, $input, $match) = @_;
- debug $config, 'extend_match', 'started';
+ $screen->debug('extend_match', 'started');
+
+ return if not defined $match;
$screen->prompt(name => 'extend', value => undef);
$screen->draw_prompt($config);
$screen->refresh;
}
- debug $config, 'extend_match', 'done';
+ $screen->debug('extend_match', 'done');
return { match => $match };
}
sub mapping_paste {
my ($key, $screen, $config, $input) = @_;
- debug $config, 'mapping_paste', 'started';
+ $screen->debug('mapping_paste', 'started');
$config->{state}{handler} = $config->{handler}{paste};
sub mapping_yank {
my ($key, $screen, $config, $input) = @_;
- debug $config, 'mapping_yank', 'started';
+ $screen->debug('mapping_yank', 'started');
$config->{state}{handler} = $config->{handler}{yank};
sub mapping_mode_path {
my ($key, $screen, $config, $input) = @_;
- debug $config, 'mapping_mode_path', 'started';
+ $screen->debug('mapping_mode_path', 'started');
my @matches = get_regex_matches($input, $config->{regex}{path});
return {
sub mapping_mode_url {
my ($key, $screen, $config, $input) = @_;
- debug $config, 'mapping_mode_url', 'started';
+ $screen->debug('mapping_mode_url', 'started');
my @matches = get_regex_matches($input, $config->{regex}{url});
return {
sub mapping_mode_search {
my ($key, $screen, $config, $input) = @_;
- debug $config, 'mapping_mode_search', 'started';
+ $screen->debug('mapping_mode_search', 'started');
$screen->cursor(1);
sub handler_yank {
my ($screen, $config, $match) = @_;
- debug $config, 'handler_yank', 'started';
+ $screen->debug('handler_yank', 'started');
require File::Temp;
close $fh or die $!;
if ($config->{setting}{multiplexer} eq 'screen') {
- debug $config, 'handler_yank', 'using screen';
+ $screen->debug('handler_yank', 'using screen');
# GNU screen displays an annoying "Slurping X characters into buffer".
# Use 'msgwait 0' as a hack to disable it.
my $msgwait = $config->{setting}{screen_msgwait};
- run_command($config, ['screen', '-X', 'msgwait', 0]);
- run_command($config, ['screen', '-X', 'readbuf', $tmp]);
- run_command($config, ['screen', '-X', 'msgwait', $msgwait]);
+ run_command($screen, $config, ['screen', '-X', 'msgwait', 0]);
+ run_command($screen, $config, ['screen', '-X', 'readbuf', $tmp]);
+ run_command($screen, $config, ['screen', '-X', 'msgwait', $msgwait]);
} elsif ($config->{setting}{multiplexer} eq 'tmux') {
- debug $config, 'handler_yank', 'using tmux';
+ $screen->debug('handler_yank', 'using tmux');
- run_command($config, ['tmux', 'load-buffer', $tmp]);
+ run_command($screen, $config, ['tmux', 'load-buffer', $tmp]);
} else {
die 'unsupported multiplexer';
}
sub handler_paste {
my ($screen, $config, $match) = @_;
- debug $config, 'handler_paste', 'started';
+ $screen->debug('handler_paste', 'started');
require Time::HiRes;
my @cmd;
if ($config->{setting}{multiplexer} eq 'screen') {
- debug $config, 'handler_paste', 'using screen';
+ $screen->debug('handler_paste', 'using screen');
@cmd = qw( screen -X paste . );
} elsif ($config->{setting}{multiplexer} eq 'tmux') {
- debug $config, 'handler_paste', 'using tmux';
+ $screen->debug('handler_paste', 'using tmux');
@cmd = qw( tmux paste-buffer );
} else {
die 'unsupported multiplexer';
}
- run_in_background($config, sub {
+ run_in_background($screen, sub {
# We need to get the data in the paste buffer before we can paste
# it.
handler_yank($screen, $config, $match);
# Sleep until we switch back to the current window.
Time::HiRes::usleep($config->{setting}{paste_sleep});
- run_command($config, \@cmd);
+ run_command($screen, $config, \@cmd);
});
return;
}
sub handler_url {
my ($screen, $config, $match) = @_;
- debug $config, 'handler_url', "opening $match->{value}";
+ $screen->debug('handler_url', "opening $match->{value}");
- run_in_background($config, sub {
- my @cmd = map { $screen->encode($_) } (
- @{$config->{setting}{browser}},
- $match->{value},
- );
- run_command($config, \@cmd);
+ run_in_background($screen, sub {
+ my @cmd = ( @{$config->{setting}{browser}}, $match->{value} );
+ run_command($screen, $config, \@cmd);
});
return;
}
=over
-=item B<url> used by C<\&mapping_mode_url()>
+=item B<url> used by C<\&mapping_mode_url()>
=item B<path> used by C<\&mapping_mode_path()>
my ($screen, $config, $match) = @_;
if ($match->{value} =~ m{^https://www.youtube.com/}) {
- return run_in_background($config, sub {
- run_command($config, ['youtube-dl-wrapper', $match->{value}]);
+ return run_in_background($screen, sub {
+ run_command($screen, $config,
+ ['youtube-dl-wrapper', $match->{value}]);
});
}
handler_url(@_);
while (1) {
if (not defined $mapping) {
$key = $screen->getch unless defined $key;
- debug \%config, 'input', "got key '$key'";
+ $screen->debug('input', "got key '$key'");
$mapping = $config{mapping}{mode}{$key};
$mapping = $config{mapping}{simple}{$key} unless defined $mapping;
}
}
- debug \%config, 'input', 'running mapping';
+ $screen->debug('input', 'running mapping');
my $result = $mapping->($key, $screen, \%config, $input);
$mapping = undef;
RESULT:
if (defined $result->{quit}) {
- debug \%config, 'input', 'quitting';
+ $screen->debug('input', 'quitting');
last;
}
if (defined $result->{key}) {
$key = $result->{key}; # lookup another mapping
- debug \%config, 'input', "processing new key: '$key'";
+ $screen->debug('input', "processing new key: '$key'");
next;
}
if (defined $result->{select}) {
- debug \%config, 'input', 'selecting match';
+ $screen->debug('input', 'selecting match');
my $tmp = $result;
$result = select_match($result->{select},
$screen, \%config, $input,
goto RESULT; # reprocess special entries in result
}
if (defined $result->{extend}) {
- debug \%config, 'input', 'extending match';
+ $screen->debug('input', 'extending match');
$result = extend_match($screen, \%config, $input,
$result->{match});
goto RESULT; # reprocess special entries in result
}
if (defined $result->{match}) {
- if (not defined $result->{match}->{value}) {
- $result->{match}->{value} = $result->{match}->{string};
+ if (not defined $result->{match}{value}) {
+ $result->{match}{value} = $result->{match}{string};
}
- debug \%config, 'input', 'running handler';
+ $screen->debug('input', 'running handler');
# Choose handler with falling priority.
my @handlers = (
$config{state}{handler}, # set by user
- $result->{match}->{handler}, # set by match
+ $result->{match}{handler}, # set by match
$result->{handler}, # set by mapping
$config{handler}{yank}, # fallback
);
ruderich.org/simon / fcscs / fcscs.git / blobdiff