drakx-backup-do-not-use - Mageia Installer and base platform for many utilities

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Mageia Installer and base platform for many utilities

Thierry Vignaud [tv]

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path: root/perl-install/install/media.pm

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perl-install/install/media.pm

1 files changed, 1 insertions, 1 deletions

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package urpm::download;

use strict;
use urpm::msg;
use urpm::cfg;
use Cwd;

#- proxy config file.
our $PROXY_CFG = '/etc/urpmi/proxy.cfg';
my $proxy_config;

sub basename { local $_ = shift; s|/*\s*$||; s|.*/||; $_ }

sub import () {
    my $c = caller;
    no strict 'refs';
    foreach my $symbol (qw(get_proxy
	propagate_sync_callback
	sync_file sync_wget sync_curl sync_rsync sync_ssh
	set_proxy_config dump_proxy_config
    )) {
	*{$c.'::'.$symbol} = *$symbol;
    }
}

#- parses proxy.cfg (private)
sub load_proxy_config () {
    return if defined $proxy_config;
    open my $f, $PROXY_CFG or $proxy_config = {}, return;
    local $_;
    while (<$f>) {
	chomp; s/#.*$//; s/^\s*//; s/\s*$//;
	if (/^(?:(.*):\s*)?(ftp_proxy|http_proxy)\s*=\s*(.*)$/) {
	    $proxy_config->{$1 || ''}{$2} = $3;
	    next;
	}
	if (/^(?:(.*):\s*)?proxy_user\s*=\s*([^:]*)(?::(.*))?$/) {
	    $proxy_config->{$1 || ''}{user} = $2;
	    $proxy_config->{$1 || ''}{pwd} = $3 if defined $3;
	    next;
	}
    }
    close $f;
}

#- writes proxy.cfg
sub dump_proxy_config () {
    return 0 unless defined $proxy_config; #- hasn't been read yet
    open my $f, '>', $PROXY_CFG or return 0;
    print $f "# generated ".(scalar localtime)."\n";
    for ('', sort grep { !/^(|cmd_line)$/ } keys %$proxy_config) {
	my $m = $_ eq '' ? '' : "$_:";
	my $p = $proxy_config->{$_};
	for (qw(http_proxy ftp_proxy)) {
	    defined $p->{$_} && $p->{$_} ne ''
		and print $f "$m$_=$p->{$_}\n";
	}
	defined $p->{user} && $p->{user} ne ''
	    and print $f "${m}proxy_user=$p->{user}:$p->{pwd}\n";
    }
    close $f;
    chmod 0600, $PROXY_CFG; #- may contain passwords
    return 1;
}

#- deletes the proxy configuration for the specified media
sub remove_proxy_media {
    defined $proxy_config and delete $proxy_config->{$_[0] || ''};
}

#- reads and loads the proxy.cfg file ;
#- returns the global proxy settings (without arguments) or the
#- proxy settings for the specified media (with a media name as argument)
sub get_proxy (;$) {
    my ($o_media) = @_; $o_media ||= '';
    load_proxy_config();
    return $proxy_config->{cmd_line}
	|| $proxy_config->{$o_media}
	|| $proxy_config->{''}
	|| {
	    http_proxy => undef,
	    ftp_proxy => undef,
	    user => undef,
	    pwd => undef,
	};
}

#- overrides the config file proxy settings with values passed via command-line
sub set_cmdline_proxy {
    my (%h) = @_;
    $proxy_config->{cmd_line} ||= {
	http_proxy => undef,
	ftp_proxy => undef,
	user => undef,
	pwd => undef,
    };
    $proxy_config->{cmd_line}{$_} = $h{$_} for keys %h;
}

#- changes permanently the proxy settings
sub set_proxy_config {
    my ($key, $value, $o_media) = @_;
    $proxy_config->{$o_media || ''}{$key} = $value;
}

#- set up the environment for proxy usage for the appropriate tool.
#- returns an array of command-line arguments.
sub set_proxy {
    my ($proxy) = @_;
    my @res;
    if (defined $proxy->{proxy}{http_proxy} || defined $proxy->{proxy}{ftp_proxy}) {
	for ($proxy->{type}) {
	    /\bwget\b/ and do {
		for ($proxy->{proxy}) {
		    if (defined $_->{http_proxy}) {
			$ENV{http_proxy} = $_->{http_proxy} =~ /^http:/
			    ? $_->{http_proxy}
			    : "http://$_->{http_proxy}";
		    }
		    $ENV{ftp_proxy} = $_->{ftp_proxy} if defined $_->{ftp_proxy};
		    @res = ("--proxy-user=$_->{user}", "--proxy-passwd=$_->{pwd}")
			if defined $_->{user} && defined $_->{pwd};
		}
		last;
	    };
	    /\bcurl\b/ and do {
		for ($proxy->{proxy}) {
		    push @res, ('-x', $_->{http_proxy}) if defined $_->{http_proxy};
		    push @res, ('-x', $_->{ftp_proxy}) if defined $_->{ftp_proxy};
		    push @res, ('-U', "$_->{user}:$_->{pwd}")
			if defined $_->{user} && defined $_->{pwd};
		}
		last;
	    };
	    die N("Unknown webfetch `%s' !!!\n", $proxy->{type});
	}
    }
    return @res;
}

sub propagate_sync_callback {
    my $options = shift @_;
    if (ref($options) && $options->{callback}) {
	my $mode = shift @_;
	if ($mode =~ /^(?:start|progress|end)$/) {
	    my $file = shift @_;
	    $file =~ s|([^:]*://[^/:\@]*:)[^/:\@]*(\@.*)|$1xxxx$2|; #- if needed...
	    return $options->{callback}($mode, $file, @_);
	} else {
	    return $options->{callback}($mode, @_);
	}
    }
}

sub sync_file {
    my $options = shift;
    foreach (@_) {
	my ($in) = m!^(?:removable[^:]*|file):/(.*)!;
	propagate_sync_callback($options, 'start', $_);
	system("cp", "-p", "-R", $in || $_, ref($options) ? $options->{dir} : $options) and
	  die N("copy failed: %s", $@);
	propagate_sync_callback($options, 'end', $_);
    }
}

sub sync_wget {
    -x "/usr/bin/wget" or die N("wget is missing\n");
    my $options = shift @_;
    $options = { dir => $options } if !ref $options;
    #- force download to be done in cachedir to avoid polluting cwd.
    my $cwd = getcwd();


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