GeoHelm/legacy/java-lib.pl

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2024-01-27 19:04:46 +00:00
=head1 java-lib.pl
Functions for managing Oracle JDK installations.
foreign_require("tomcat", "tomcat-lib.pl");
@sites = tomcat::list_tomcat_websites()
=cut
BEGIN { push(@INC, ".."); };
use warnings;
use WebminCore;
foreign_require('software', 'software-lib.pl');
require './geohelm-lib.pl';
sub get_openjdk_patterns(){
my %osinfo = &detect_operating_system();
my %rv;
if( ($osinfo{'real_os_type'} =~ /centos/i) or #CentOS
($osinfo{'real_os_type'} =~ /fedora/i) or #Fedora
($osinfo{'real_os_type'} =~ /scientific/i) ){
$rv{'search'} = 'openjdk';
$rv{'version'} = '^java-([0-9\.]+)-openjdk$';
}elsif( $osinfo{'os_type'} =~ /debian/i){ #ubuntu
$rv{'search'} = 'openjdk-[0-9]+-jdk$';
$rv{'version'} = 'openjdk-([0-9]+)-jdk';
}
return %rv;
}
sub get_openjdk_versions(){
my $cache_file = "$module_config_directory/openjdk_version_cache";
my %openjdk_versions;
if(-f $cache_file){
read_file_cached($cache_file, \%openjdk_versions);
if($openjdk_versions{'updated'} >= (time() - 86400)){ #if last update was less than a day ago
delete $openjdk_versions{'updated'}; #remove the cache mtime key
return %openjdk_versions;
}
}
my %patterns = get_openjdk_patterns();
my @avail = search_pkg($patterns{'search'});
foreach $a (@avail) {
if($a->{'name'} =~ /$patterns{'version'}/){
$openjdk_versions{$1} = $a->{'name'};
}
}
#cache the results
$openjdk_versions{'updated'} = time();
&write_file($cache_file, \%openjdk_versions);
delete $openjdk_versions{'updated'}; #remove the cache mtime key
return %openjdk_versions;
}
sub get_latest_jdk_version(){
my %java_tar_gz;
my $cache_file = "$module_config_directory/oracle_version_cache";
if(-f $cache_file){
read_file_cached($cache_file, \%java_tar_gz);
if($java_tar_gz{'updated'} >= (time() - 86400)){ #if last update was less than a day ago
delete $java_tar_gz{'updated'}; #remove the cache mtime key
return %java_tar_gz;
}
}
my $error;
my $url = 'https://www.oracle.com/java/technologies/downloads/';
$tmpfile = &transname("javase.html");
&error_setup(&text('install_err3', $url));
&http_download("www.oracle.com", 443, "/java/technologies/downloads/", $tmpfile, \$error,
undef, 1, undef, 0, 0, 1);
open($fh, '<', $tmpfile) or die "open:$!";
while(my $line = <$fh>){
#https://download.oracle.com/java/17/latest/jdk-17_linux-x64_bin.tar.gz
if($line =~ /(https:\/\/download.oracle.com\/java\/([0-9]+)\/latest\/jdk-[0-9]+_linux-x64_bin.tar.gz)/){
#if($line =~ /"filepath":"(https:\/\/download.oracle.com\/otn-pub\/java\/jdk\/([a-z0-9-\.+]+)\/[a-z0-9]+\/jdk-[a-z0-9-\.]+_linux-x64_bin.tar.gz)/){
$java_tar_gz{$2} = $1;
#last;
}
}
close $fh;
#cache the results
$java_tar_gz{'updated'} = time();
&write_file($cache_file, \%java_tar_gz);
delete $java_tar_gz{'updated'}; #remove the cache mtime key
return %java_tar_gz;
}
sub get_installed_jdk_versions(){
my @jdks = get_installed_oracle_jdk_versions();
push(@jdks, get_installed_openjdk_versions());
return @jdks;
}
sub get_installed_openjdk_versions{
my @pkgs = ();
my %patterns = get_openjdk_patterns();
my $cmd_out='';
my $cmd_err='';
if(has_command('rpm')){
local $out = &execute_command("rpm -qa --queryformat \"%{NAME}\n\" \"*$patterns['search']*\"", undef, \$cmd_out, \$cmd_err, 0, 0);
my @lines = split /\n/, $cmd_out;
foreach my $line (@lines){
if($line =~ /^(java-[0-9\.]+-openjdk).*/i){ #package pgdg96-centos is not installed
push(@pkgs, $1);
}
}
}elsif(has_command('dpkg')){
local $out = &execute_command("dpkg -l \"*openjdk*\"", undef, \$cmd_out, \$cmd_err, 0, 0);
my %all_pkgs;
my @lines = split /\n/, $cmd_out;
foreach my $line (@lines){
if($line =~ /^(..)\s+(openjdk-[0-9\.]*)-.*:.*/i){
my $pkg = $2;
if($1 =~ /[uirph]i/){
$all_pkgs{$pkg} = 1;
}
}
}
@pkgs = keys %all_pkgs;
}else{
my @dirs;
opendir(DIR, '/usr/java/') or return @dirs;
@dirs
= grep {
/^jdk-[0-9\.]+/
&& -d "/usr/java/$_"
} readdir(DIR);
closedir(DIR);
}
return sort @pkgs;
}
sub get_installed_oracle_jdk_versions{
my @dirs;
opendir(DIR, '/usr/java/') or return @dirs;
@dirs = grep {
/^jdk[0-9\.\-_]+/
&& -d "/usr/java/$_"
} readdir(DIR);
closedir(DIR);
return sort @dirs;
}
sub is_default_jdk{
my $jdk_dir = $_[0];
my %os_env;
if(-f '/etc/profile.d/jdk.sh'){
read_env_file('/etc/profile.d/jdk.sh', \%os_env);
}elsif(-f '/etc/environment'){
read_env_file('/etc/environment', \%os_env);
}
if($os_env{'JAVA_HOME'} eq $jdk_dir){
return 1;
}else{
return 0;
}
}
sub get_java_version(){
local %version;
local $out = &backquote_command('java \-version 2>&1');
if ($out =~ /java\sversion\s\"([0-9]\.([0-9])\.[0-9]_[0-9]+)\"/) {
$version{'major'} = $2;
$version{'full'} = $1;
}else {
$version{'major'} = 0;
$version{'full'} = $out;
}
return %version;
}
sub get_java_home(){
my $java_path = &resolve_links('/usr/bin/java');
$java_path =~ s/\/bin\/java//;
return $java_path;
}
sub set_default_java{
my $jdk_dir = $_[0];
my $alt_cmd = "";
if(has_command('alternatives')){ #CentOS
$alt_cmd = 'alternatives';
}elsif(has_command('update-alternatives')){ #ubuntu
$alt_cmd = 'update-alternatives';
}else{
print "Warning: No alternatives command found<br>";
}
if($alt_cmd ne ""){
print "Updating Java using $alt_cmd<br>";
my @jdk_progs = ('java', 'jar', 'javac');
foreach my $prog (@jdk_progs){
$cmd_out='';
$cmd_err='';
local $out = &execute_command("$alt_cmd --install /usr/bin/$prog $prog $jdk_dir/bin/$prog 1", undef, \$cmd_out, \$cmd_err, 0, 0);
$out.= &execute_command("$alt_cmd --set $prog $jdk_dir/bin/$prog", undef, \$cmd_out, \$cmd_err, 0, 0);
if($cmd_err){
$cmd_err = s/\n/<br>/g;
&error("Error: $alt_cmd: $cmd_err");
}else{
$cmd_out = s/\n/<br>/g;
print &html_escape($cmd_out);
}
}
}
print "<hr>Setting Java environment variables...<br>";
my %os_env;
$os_env{'J2SDKDIR'} = $jdk_dir;
$os_env{'JAVA_HOME'} = $jdk_dir;
$os_env{'DERBY_HOME'}= "$jdk_dir/db";
$os_env{'J2REDIR'} = "$jdk_dir/jre";
if(-e '/etc/profile.d/'){
$os_env{'PATH'} = "\$PATH:$jdk_dir/bin:$jdk_dir/db/bin:$jdk_dir/jre/bin";
write_env_file('/etc/profile.d/jdk.sh', \%os_env, 1);
}elsif(-e '/etc/environment'){
read_env_file('/etc/environment', \%os_env);
$os_env{'PATH'} = "$os_env{'PATH'}:$jdk_dir/bin:$jdk_dir/db/bin:$jdk_dir/jre/bin";
write_env_file('/etc/environment', \%os_env, 0);
}
}
sub unset_default_java{
my $jdk_dir = $_[0];
print "Removing Java environment variables ...<br>";
if(-f '/etc/profile.d/jdk.sh'){
unlink_file('/etc/profile.d/jdk.sh');
}elsif(-f '/etc/environment'){
my %os_env;
read_env_file('/etc/environment', \%os_env);
delete $os_env{'J2SDKDIR'};
delete $os_env{'JAVA_HOME'};
delete $os_env{'DERBY_HOME'};
delete $os_env{'J2REDIR'};
write_env_file('/etc/environment', \%os_env, 0);
}
my $alt_cmd = "";
if(has_command('alternatives')){ #CentOS
$alt_cmd = 'alternatives';
}elsif(has_command('update-alternatives')){ #ubuntu
$alt_cmd = 'update-alternatives';
}else{
print "Warning: No alternatives command found<br>";
}
if($alt_cmd ne ""){
print "Removing Java using $alt_cmd<br>";
my @jdk_progs = ('java', 'jar', 'javac');
foreach my $prog (@jdk_progs){
$cmd_out='';
$cmd_err='';
local $out = &execute_command("$alt_cmd --remove $prog $jdk_dir/bin/$prog", undef, \$cmd_out, \$cmd_err, 0, 0);
if($cmd_err){
&error("Error: $alt_cmd: $cmd_err");
}else{
$cmd_out = s/\r\n/<br>/g;
print &html_escape($cmd_out);
}
}
}
}
sub get_jdk_dir_by_name{
my $jdk_name = $_[0];
my $jdk_dir = '';
if($jdk_name =~ /.*openjdk.*/){
my $jdk_ver = (split /-/, $jdk_name)[1]; #get version from name
my @known_dirs = ('java-'.$jdk_ver.'-openjdk', 'java-'.$jdk_ver.'-openjdk-amd64', 'jre-'.$jdk_ver.'-openjdk');
foreach $jvm_name (@known_dirs){
if(-d '/usr/lib/jvm/'.$jvm_name){
$jdk_dir = '/usr/lib/jvm/'.$jvm_name;
last;
}
}
}else{
$jdk_dir = '/usr/java/'.$jdk_name;
}
return $jdk_dir;
}
1;