ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/scripts/download.pl b/scripts/download.pl
new file mode 100755
index 0000000..c6c9b8e
--- /dev/null
+++ b/scripts/download.pl
@@ -0,0 +1,330 @@
+#!/usr/bin/env perl
+#
+# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2016 LEDE project
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+use strict;
+use warnings;
+use File::Basename;
+use File::Copy;
+use File::Path;
+use Text::ParseWords;
+use JSON::PP;
+
+@ARGV > 2 or die "Syntax: $0 <target dir> <filename> <hash> <url filename> [<mirror> ...]\n";
+
+my $url_filename;
+my $target = glob(shift @ARGV);
+my $filename = shift @ARGV;
+my $file_hash = shift @ARGV;
+$url_filename = shift @ARGV unless $ARGV[0] =~ /:\/\//;
+my $scriptdir = dirname($0);
+my @mirrors;
+my $ok;
+
+my $check_certificate = $ENV{DOWNLOAD_CHECK_CERTIFICATE} eq "y";
+my $custom_tool = $ENV{DOWNLOAD_TOOL_CUSTOM};
+my $download_tool;
+
+$url_filename or $url_filename = $filename;
+
+sub localmirrors {
+ my @mlist;
+ open LM, "$scriptdir/localmirrors" and do {
+ while (<LM>) {
+ chomp $_;
+ push @mlist, $_ if $_;
+ }
+ close LM;
+ };
+ open CONFIG, "<".$ENV{'TOPDIR'}."/.config" and do {
+ while (<CONFIG>) {
+ /^CONFIG_LOCALMIRROR="(.+)"/ and do {
+ chomp;
+ my @local_mirrors = split(/;/, $1);
+ push @mlist, @local_mirrors;
+ };
+ }
+ close CONFIG;
+ };
+
+ my $mirror = $ENV{'DOWNLOAD_MIRROR'};
+ $mirror and push @mlist, split(/;/, $mirror);
+
+ return @mlist;
+}
+
+sub projectsmirrors {
+ my $project = shift;
+ my $append = shift;
+
+ open (PM, "$scriptdir/projectsmirrors.json") ||
+ die "Can´t open $scriptdir/projectsmirrors.json: $!\n";
+ local $/;
+ my $mirror_json = <PM>;
+ my $mirror = decode_json $mirror_json;
+
+ foreach (@{$mirror->{$project}}) {
+ push @mirrors, $_ . "/" . ($append or "");
+ }
+}
+
+sub which($) {
+ my $prog = shift;
+ my $res = `command -v $prog`;
+ $res or return undef;
+ return $res;
+}
+
+sub hash_cmd() {
+ my $len = length($file_hash);
+ my $cmd;
+
+ $len == 64 and return "$ENV{'MKHASH'} sha256";
+ $len == 32 and return "$ENV{'MKHASH'} md5";
+ return undef;
+}
+
+sub tool_present {
+ my $tool_name = shift;
+ my $compare_line = shift;
+ my $present = 0;
+
+ if (open TOOL, "$tool_name --version 2>/dev/null |") {
+ if (defined(my $line = readline TOOL)) {
+ $present = 1 if $line =~ /^$compare_line /;
+ }
+ close TOOL;
+ }
+
+ return $present
+}
+
+sub select_tool {
+ $custom_tool =~ tr/"//d;
+ if ($custom_tool) {
+ return $custom_tool;
+ }
+
+ # Try to use curl if available
+ if (tool_present("curl", "curl")) {
+ return "curl";
+ }
+
+ # No tool found, fallback to wget
+ return "wget";
+}
+
+sub download_cmd {
+ my $url = shift;
+ my $filename = shift;
+
+ if ($download_tool eq "curl") {
+ return (qw(curl -f --connect-timeout 20 --retry 5 --location),
+ $check_certificate ? () : '--insecure',
+ shellwords($ENV{CURL_OPTIONS} || ''),
+ $url);
+ } elsif ($download_tool eq "wget") {
+ return (qw(wget --tries=5 --timeout=20 --output-document=-),
+ $check_certificate ? () : '--no-check-certificate',
+ shellwords($ENV{WGET_OPTIONS} || ''),
+ $url);
+ } elsif ($download_tool eq "aria2c") {
+ my $additional_mirrors = join(" ", map "$_/$filename", @_);
+ my @chArray = ('a'..'z', 'A'..'Z', 0..9);
+ my $rfn = join '', "${filename}_", map{ $chArray[int rand @chArray] } 0..9;
+
+ @mirrors=();
+
+ return join(" ", "[ -d $ENV{'TMPDIR'}/aria2c ] || mkdir $ENV{'TMPDIR'}/aria2c;",
+ "touch $ENV{'TMPDIR'}/aria2c/${rfn}_spp;",
+ qw(aria2c --stderr -c -x2 -s10 -j10 -k1M), $url, $additional_mirrors,
+ $check_certificate ? () : '--check-certificate=false',
+ "--server-stat-of=$ENV{'TMPDIR'}/aria2c/${rfn}_spp",
+ "--server-stat-if=$ENV{'TMPDIR'}/aria2c/${rfn}_spp",
+ "--daemon=false --no-conf", shellwords($ENV{ARIA2C_OPTIONS} || ''),
+ "-d $ENV{'TMPDIR'}/aria2c -o $rfn;",
+ "cat $ENV{'TMPDIR'}/aria2c/$rfn;",
+ "rm $ENV{'TMPDIR'}/aria2c/$rfn $ENV{'TMPDIR'}/aria2c/${rfn}_spp");
+ } else {
+ return join(" ", $download_tool, $url);
+ }
+}
+
+my $hash_cmd = hash_cmd();
+$hash_cmd or ($file_hash eq "skip") or die "Cannot find appropriate hash command, ensure the provided hash is either a MD5 or SHA256 checksum.\n";
+
+sub download
+{
+ my $mirror = shift;
+ my $download_filename = shift;
+ my @additional_mirrors = @_;
+
+ $mirror =~ s!/$!!;
+
+ if ($mirror =~ s!^file://!!) {
+ if (! -d "$mirror") {
+ print STDERR "Wrong local cache directory -$mirror-.\n";
+ cleanup();
+ return;
+ }
+
+ if (! -d "$target") {
+ make_path($target);
+ }
+
+ if (! open TMPDLS, "find $mirror -follow -name $filename 2>/dev/null |") {
+ print("Failed to search for $filename in $mirror\n");
+ return;
+ }
+
+ my $link;
+
+ while (defined(my $line = readline TMPDLS)) {
+ chomp ($link = $line);
+ if ($. > 1) {
+ print("$. or more instances of $filename in $mirror found . Only one instance allowed.\n");
+ return;
+ }
+ }
+
+ close TMPDLS;
+
+ if (! $link) {
+ print("No instances of $filename found in $mirror.\n");
+ return;
+ }
+
+ print("Copying $filename from $link\n");
+ copy($link, "$target/$filename.dl");
+
+ $hash_cmd and do {
+ if (system("cat '$target/$filename.dl' | $hash_cmd > '$target/$filename.hash'")) {
+ print("Failed to generate hash for $filename\n");
+ return;
+ }
+ };
+ } else {
+ my @cmd = download_cmd("$mirror/$download_filename", $download_filename, @additional_mirrors);
+ print STDERR "+ ".join(" ",@cmd)."\n";
+ open(FETCH_FD, '-|', @cmd) or die "Cannot launch aria2c, curl or wget.\n";
+ $hash_cmd and do {
+ open MD5SUM, "| $hash_cmd > '$target/$filename.hash'" or die "Cannot launch $hash_cmd.\n";
+ };
+ open OUTPUT, "> $target/$filename.dl" or die "Cannot create file $target/$filename.dl: $!\n";
+ my $buffer;
+ while (read FETCH_FD, $buffer, 1048576) {
+ $hash_cmd and print MD5SUM $buffer;
+ print OUTPUT $buffer;
+ }
+ $hash_cmd and close MD5SUM;
+ close FETCH_FD;
+ close OUTPUT;
+
+ if ($? >> 8) {
+ print STDERR "Download failed.\n";
+ cleanup();
+ return;
+ }
+ }
+
+ $hash_cmd and do {
+ my $sum = `cat "$target/$filename.hash"`;
+ $sum =~ /^(\w+)\s*/ or die "Could not generate file hash\n";
+ $sum = $1;
+
+ if ($sum ne $file_hash) {
+ print STDERR "Hash of the downloaded file does not match (file: $sum, requested: $file_hash) - deleting download.\n";
+ cleanup();
+ return;
+ }
+ };
+
+ unlink "$target/$filename";
+ move("$target/$filename.dl", "$target/$filename");
+ cleanup();
+}
+
+sub cleanup
+{
+ unlink "$target/$filename.dl";
+ unlink "$target/$filename.hash";
+}
+
+@mirrors = localmirrors();
+
+foreach my $mirror (@ARGV) {
+ if ($mirror =~ /^\@SF\/(.+)$/) {
+ # give sourceforge a few more tries, because it redirects to different mirrors
+ for (1 .. 5) {
+ projectsmirrors '@SF', $1;
+ }
+ } elsif ($mirror =~ /^\@OPENWRT$/) {
+ # use OpenWrt source server directly
+ } elsif ($mirror =~ /^\@DEBIAN\/(.+)$/) {
+ projectsmirrors '@DEBIAN', $1;
+ } elsif ($mirror =~ /^\@APACHE\/(.+)$/) {
+ projectsmirrors '@APACHE', $1;
+ } elsif ($mirror =~ /^\@GITHUB\/(.+)$/) {
+ # give github a few more tries (different mirrors)
+ for (1 .. 5) {
+ projectsmirrors '@GITHUB', $1;
+ }
+ } elsif ($mirror =~ /^\@GNU\/(.+)$/) {
+ projectsmirrors '@GNU', $1;
+ } elsif ($mirror =~ /^\@SAVANNAH\/(.+)$/) {
+ projectsmirrors '@SAVANNAH', $1;
+ } elsif ($mirror =~ /^\@KERNEL\/(.+)$/) {
+ my @extra = ( $1 );
+ if ($filename =~ /linux-\d+\.\d+(?:\.\d+)?-rc/) {
+ push @extra, "$extra[0]/testing";
+ } elsif ($filename =~ /linux-(\d+\.\d+(?:\.\d+)?)/) {
+ push @extra, "$extra[0]/longterm/v$1";
+ }
+ foreach my $dir (@extra) {
+ projectsmirrors '@KERNEL', $dir;
+ }
+ } elsif ($mirror =~ /^\@GNOME\/(.+)$/) {
+ projectsmirrors '@GNOME', $1;
+ } else {
+ push @mirrors, $mirror;
+ }
+}
+
+projectsmirrors '@OPENWRT';
+
+if (-f "$target/$filename") {
+ $hash_cmd and do {
+ if (system("cat '$target/$filename' | $hash_cmd > '$target/$filename.hash'")) {
+ die "Failed to generate hash for $filename\n";
+ }
+
+ my $sum = `cat "$target/$filename.hash"`;
+ $sum =~ /^(\w+)\s*/ or die "Could not generate file hash\n";
+ $sum = $1;
+
+ cleanup();
+ exit 0 if $sum eq $file_hash;
+
+ die "Hash of the local file $filename does not match (file: $sum, requested: $file_hash) - deleting download.\n";
+ unlink "$target/$filename";
+ };
+}
+
+$download_tool = select_tool();
+
+while (!-f "$target/$filename") {
+ my $mirror = shift @mirrors;
+ $mirror or die "No more mirrors to try - giving up.\n";
+
+ download($mirror, $url_filename, @mirrors);
+ if (!-f "$target/$filename" && $url_filename ne $filename) {
+ download($mirror, $filename, @mirrors);
+ }
+}
+
+$SIG{INT} = \&cleanup;