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package Devscripts::Uscan::Downloader;
use strict;
use Cwd qw/cwd abs_path/;
use Devscripts::Uscan::CatchRedirections;
use Devscripts::Uscan::Output;
use Devscripts::Uscan::Utils;
use Moo;
our $haveSSL;
has git_upstream => (is => 'rw');
BEGIN {
eval { require LWP::UserAgent; };
if ($@) {
my $progname = basename($0);
if ($@ =~ /^Can\'t locate LWP\/UserAgent\.pm/) {
die "$progname: you must have the libwww-perl package installed\n"
. "to use this script";
} else {
die "$progname: problem loading the LWP::UserAgent module:\n $@\n"
. "Have you installed the libwww-perl package?";
}
}
eval { require LWP::Protocol::https; };
$haveSSL = $@ ? 0 : 1;
}
has agent =>
(is => 'rw', default => sub { "Debian uscan $main::uscan_version" });
has timeout => (is => 'rw');
has pasv => (
is => 'rw',
default => 'default',
trigger => sub {
my ($self, $nv) = @_;
if ($nv) {
uscan_verbose "Set passive mode: $self->{pasv}";
$ENV{'FTP_PASSIVE'} = $self->pasv;
} elsif ($ENV{'FTP_PASSIVE'}) {
uscan_verbose "Unset passive mode";
delete $ENV{'FTP_PASSIVE'};
}
});
has destdir => (is => 'rw');
# 0: no repo, 1: shallow clone, 2: full clone
has gitrepo_state => (
is => 'rw',
default => sub { 0 });
has user_agent => (
is => 'rw',
lazy => 1,
default => sub {
my ($self) = @_;
my $user_agent
= Devscripts::Uscan::CatchRedirections->new(env_proxy => 1);
$user_agent->timeout($self->timeout);
$user_agent->agent($self->agent);
# Strip Referer header for Sourceforge to avoid SF sending back a
# "200 OK" with a <meta refresh=...> redirect
$user_agent->add_handler(
'request_prepare' => sub {
my ($request, $ua, $h) = @_;
$request->remove_header('Referer');
},
m_hostname => 'sourceforge.net',
);
$self->{user_agent} = $user_agent;
});
has ssl => (is => 'rw', default => sub { $haveSSL });
sub download ($$$$$$$$) {
my ($self, $url, $fname, $optref, $base, $pkg_dir, $pkg, $mode) = @_;
my ($request, $response);
$mode ||= $optref->mode;
if ($mode eq 'http') {
if ($url =~ /^https/ and !$self->ssl) {
uscan_die "$progname: you must have the "
. "liblwp-protocol-https-perl package installed\n"
. "to use https URLs";
}
# substitute HTML entities
# Is anything else than "&" required? I doubt it.
uscan_verbose "Requesting URL:\n $url";
my $headers = HTTP::Headers->new;
$headers->header('Accept' => '*/*');
$headers->header('Referer' => $base);
$request = HTTP::Request->new('GET', $url, $headers);
$response = $self->user_agent->request($request, $fname);
if (!$response->is_success) {
uscan_warn((defined $pkg_dir ? "In directory $pkg_dir, d" : "D")
. "ownloading\n $url failed: "
. $response->status_line);
return 0;
}
} elsif ($mode eq 'ftp') {
uscan_verbose "Requesting URL:\n $url";
$request = HTTP::Request->new('GET', "$url");
$response = $self->user_agent->request($request, $fname);
if (!$response->is_success) {
uscan_warn((defined $pkg_dir ? "In directory $pkg_dir, d" : "D")
. "ownloading\n $url failed: "
. $response->status_line);
return 0;
}
} else { # elsif ($$optref{'mode'} eq 'git')
my $destdir = $self->destdir;
my $curdir = cwd();
$fname =~ m%(.*)/$pkg-([^_/]*)\.tar\.(gz|xz|bz2|lzma)%;
my $dst = $1;
my $abs_dst = abs_path($dst);
my $ver = $2;
my $suffix = $3;
my $gitrepo_dir
= "$pkg-temporary.$$.git"; # same as outside of downloader
my ($gitrepo, $gitref) = split /[[:space:]]+/, $url, 2;
if ($self->git_upstream) {
uscan_exec_no_fail('git', 'archive', '--format=tar',
"--prefix=$pkg-$ver/", "--output=$abs_dst/$pkg-$ver.tar",
$gitref) == 0
or uscan_die("git archive failed");
} else {
if ($self->gitrepo_state == 0) {
if ($optref->gitmode eq 'shallow') {
my $tag = $gitref;
$tag =~ s|.*/||;
uscan_exec('git', 'clone', '--bare', '--depth=1', '-b',
$tag, $base, "$destdir/$gitrepo_dir");
$self->gitrepo_state(1);
} else {
uscan_exec('git', 'clone', '--bare', $base,
"$destdir/$gitrepo_dir");
$self->gitrepo_state(2);
}
}
uscan_exec_no_fail(
'git', "--git-dir=$destdir/$gitrepo_dir",
'archive', '--format=tar',
"--prefix=$pkg-$ver/", "--output=$abs_dst/$pkg-$ver.tar",
$gitref
) == 0
or uscan_die("git archive failed");
}
chdir "$abs_dst" or uscan_die("Unable to chdir($abs_dst): $!");
if ($suffix eq 'gz') {
uscan_exec("gzip", "-n", "-9", "$pkg-$ver.tar");
} elsif ($suffix eq 'xz') {
uscan_exec("xz", "$pkg-$ver.tar");
} elsif ($suffix eq 'bz2') {
uscan_exec("bzip2", "$pkg-$ver.tar");
} elsif ($suffix eq 'lzma') {
uscan_exec("lzma", "$pkg-$ver.tar");
} else {
uscan_die "Unknown suffix file to repack: $suffix";
}
chdir "$curdir" or uscan_die("Unable to chdir($curdir): $!");
}
return 1;
}
1;
|
