
$whmcs_api_key = "jCteD6q91a3";
$whmcs_api_host = "www.whmcs.com";
$whmcs_api_port = 80;
$whmcs_api_ssl = 0;
$whmcs_api_prefix = "/licenseapi/validate.php";

# script_whmcs_desc()
sub script_whmcs_desc
{
return "WHMCS";
}

sub script_whmcs_uses
{
return ( "php" );
}

sub script_whmcs_longdesc
{
return "WHMCS is an all-in-one client management, billing & support solution for online businesses.";
}

# script_whmcs_versions()
sub script_whmcs_versions
{
return ( "4.5.1" );
}

sub script_whmcs_category
{
return "Commerce";
}

sub script_whmcs_php_vers
{
return ( 5 );
}

sub script_whmcs_php_modules
{
return ("mysql", "curl");
}

sub script_whmcs_dbs
{
return ("mysql");
}

# script_whmcs_params(&domain, version, &upgrade-info)
# Returns HTML for table rows for options for installing WHMCS
sub script_whmcs_params
{
local ($d, $ver, $upgrade) = @_;
local $rv;
local $hdir = &public_html_dir($d, 1);
if ($upgrade) {
	# Options are fixed when upgrading
	local ($dbtype, $dbname) = split(/_/, $upgrade->{'opts'}->{'db'}, 2);
	$rv .= &ui_table_row("Database for WHMCS tables", $dbname);
	local $dir = $upgrade->{'opts'}->{'dir'};
	$dir =~ s/^$d->{'home'}\///;
	$rv .= &ui_table_row("Install directory", $dir);
	$rv .= &ui_table_row("WHMCS licence key", $opts->{'licensekey'});
	}
else {
	# Show editable install options
	local @dbs = &domain_databases($d, [ "mysql", "postgres" ]);
	$rv .= &ui_table_row("Database for WHMCS tables",
		     &ui_database_select("db", undef, \@dbs, $d, "whmcs"));
	$rv .= &ui_table_row("Install sub-directory under <tt>$hdir</tt>",
			     &ui_opt_textbox("dir", "whmcs", 30,
					     "At top level"));
	$rv .= &ui_table_row("WHMCS license key",
			     &ui_textbox("licensekey", undef, 30));
	$rv .= &ui_table_row(" ",
		"You must purchase an <a href='http://www.whmcs.com/members/aff.php?aff=4115' target=_new>WHMCS license</a> before installing this script");
	}
return $rv;
}

# script_whmcs_parse(&domain, version, &in, &upgrade-info)
# Returns either a hash ref of parsed options, or an error string
sub script_whmcs_parse
{
local ($d, $ver, $in, $upgrade) = @_;
if ($upgrade) {
	# Options are always the same
	return $upgrade->{'opts'};
	}
else {
	local $hdir = &public_html_dir($d, 0);
	$in{'dir_def'} || $in{'dir'} =~ /\S/ && $in{'dir'} !~ /\.\./ ||
		return "Missing or invalid installation directory";
	local $dir = $in{'dir_def'} ? $hdir : "$hdir/$in{'dir'}";
	local ($newdb) = ($in->{'db'} =~ s/^\*//);
	$in{'licensekey'} =~ /^\S+\-\S+$/ ||
		return "Missing or invalid-looking licence key - should be ".
		       "like Owned-a8f06f0510547d80704b";
	return { 'db' => $in->{'db'},
		 'newdb' => $newdb,
		 'dir' => $dir,
		 'path' => $in{'dir_def'} ? "/" : "/$in{'dir'}",
		 'licensekey' => $in{'licensekey'}, };
	}
}

# script_whmcs_check(&domain, version, &opts, &upgrade-info)
# Returns an error message if a required option is missing or invalid
sub script_whmcs_check
{
local ($d, $ver, $opts, $upgrade) = @_;
$opts->{'licensekey'} || return "Missing licensekey option - licenses can be purchased at http://www.whmcs.com/members/aff.php?aff=4115";
$opts->{'dir'} =~ /^\// || return "Missing or invalid install directory";
$opts->{'db'} || return "Missing database";
if (-r "$opts->{'dir'}/configuration.php") {
	return "WHMCS appears to be already installed in the selected directory";
	}
local ($dbtype, $dbname) = split(/_/, $opts->{'db'}, 2);
local $clash = &find_database_table($dbtype, $dbname, "tbl");
$clash && return "WHMCS appears to be already using the selected database (table $clash)";

# Check for PHP mode
&get_domain_php_mode($d) eq "mod_php" &&
	return "WHMCS cannot be installed when PHP is being run via mod_php";

# Check if ioncube loader can be found
local $io = &script_whmcs_get_ioncube_type();
$io || return "No ionCube loader for your operating system and CPU ".
	      "architecture could be found";

# Validate the licence
local $params = "key=".&urlize($whmcs_api_key).
	        "&licensekey=".&urlize($opts->{'licensekey'}).
	        "&domain=".&urlize($d->{'dom'}).
	        "&ipaddress=".&urlize($d->{'ip'}).
	        "&directory=".&urlize($opts->{'dir'});
local ($out, $err);
&http_download($whmcs_api_host, $whmcs_api_port, $whmcs_api_prefix."?".$params,
	       \$out, \$err, undef, $whmcs_api_ssl, undef, undef, undef, 0, 1);
if ($err) {
	return "WHMCS licence check failed : $err";
	}
elsif ($out =~ /invalidkey/) {
	return "WHMCS API is invalid";
	}
elsif ($out =~ /licensekeynotfound/) {
	return "WHMCS licence key was not found";
	}
elsif ($out =~ /expired/) {
	return "WHMCS licence key has expired";
	}
elsif ($out =~ /suspended/) {
	return "WHMCS licence key has been suspended";
	}
elsif ($out =~ /invalid/) {
	return "WHMCS licence key is not allowed in this location";
	}
elsif ($out !~ /valid/) {
	return "Unknown WHMCS licence check code : $out";
	}

return undef;
}

# script_whmcs_files(&domain, version, &opts, &upgrade-info)
# Returns a list of files needed by WHMCS, each of which is a hash ref
# containing a name, filename and URL
sub script_whmcs_files
{
local ($d, $ver, $opts, $upgrade) = @_;
local $shortver = $ver;
$shortver =~ s/\.//g;
local @files = ( { 'name' => "source",
	   'file' => "whmcs_v$shortver.zip",
	   'url' => "http://software.virtualmin.com/download/whmcs_v$shortver.zip" } );
local $io = &script_whmcs_get_ioncube_type();
push(@files, { 'name' => "ioncube",
	       'file' => "ioncube_loaders.zip",
	       'url' => "http://downloads2.ioncube.com/".
			"loader_downloads/ioncube_loaders_$io.zip" });
return @files;
}

sub script_whmcs_get_ioncube_type
{
local $io;
local $arch = &backquote_command("uname -m");
if ($gconfig{'os_type'} eq 'solaris' && $arch =~ /sparc/) {
	$io = "sun_sparc";
	}
elsif ($gconfig{'os_type'} eq 'solaris' && $arch =~ /86/) {
	$io = "sun_x86";
	}
elsif ($gconfig{'os_type'} eq 'freebsd' && $arch =~ /64/) {
	$io = "fre_".int($gconfig{'os_version'})."_x86-64";
	}
elsif ($gconfig{'os_type'} eq 'freebsd' && $arch !~ /64/) {
	$io = "fre_".int($gconfig{'os_version'})."_x86";
	}
elsif ($gconfig{'os_type'} eq 'macos' && $arch =~ /64/) {
	$io = "dar_x86-64";
	}
elsif ($gconfig{'os_type'} eq 'macos' && $arch !~ /64/) {
	$io = "dar_x86";
	}
elsif ($gconfig{'os_type'} =~ /-linux/ && $arch =~ /x86_64/) {
	$io = "lin_x86-64";
	}
elsif ($gconfig{'os_type'} =~ /-linux/ && $arch =~ /i[0-9]86/) {
	$io = "lin_x86";
	}
elsif ($gconfig{'os_type'} =~ /-linux/ && $arch =~ /ppc/) {
	$io = "lin_ppc";
	}
return $io;
}

sub script_whmcs_commands
{
return ("unzip");
}

# script_whmcs_install(&domain, version, &opts, &files, &upgrade-info,
#			username, password)
# Actually installs WHMCS, and returns either 1 and an informational
# message, or 0 and an error
sub script_whmcs_install
{
local ($d, $version, $opts, $files, $upgrade, $domuser, $dompass) = @_;

# Get DB details
local ($out, $ex);
if ($opts->{'newdb'} && !$upgrade) {
	local $err = &create_script_database($d, $opts->{'db'});
	return (0, "Database creation failed : $err") if ($err);
	}
local ($dbtype, $dbname) = split(/_/, $opts->{'db'}, 2);
local $dbuser = $dbtype eq "mysql" ? &mysql_user($d) : &postgres_user($d);
local $dbpass = $dbtype eq "mysql" ? &mysql_pass($d) : &postgres_pass($d, 1);
local $dbphptype = $dbtype eq "mysql" ? "mysql" : "psql";
local $dbhost = &get_database_host($dbtype);
local $dberr = &check_script_db_connection($dbtype, $dbname, $dbuser, $dbpass);
return (0, "Database connection failed : $dberr") if ($dberr);

# Extract ioncube loader
local $iotemp = &transname();
local $err = &extract_script_archive($files->{'ioncube'}, $iotemp, $d);
$err && return (0, "Failed to extract ionCube files : $err");
local $io = &script_whmcs_get_ioncube_type();
local $phpver = &get_php_version(5);
$phpver =~ s/^(\d+\.\d+)\..*$/$1/;
local ($sofile) = glob("$iotemp/ioncube/ioncube_loader_*_$phpver.so");
$sofile ||
	return (0, "No ionCube loader for PHP version $phpver found in file");

# Extract tar file to temp dir and copy to target
local $temp = &transname();
local $cfile = "$opts->{'dir'}/configuration.php";
local $err = &extract_script_archive($files->{'source'}, $temp, $d,
				     $opts->{'dir'}, "whmcs");
$err && return (0, "Failed to extract source : $err");

# Copy loader to ~/etc , adjust php.ini
local $inifile = &get_domain_php_ini($d, 5);
$inifile && -r $inifile || return (0, "PHP configuration file was not found!");
$sofile =~ /\/([^\/]+)$/;
local $sodest = "$d->{'home'}/etc/$1";
&copy_source_dest_as_domain_user($d, $sofile, $sodest);
&foreign_require("phpini", "phpini-lib.pl");
local $conf = &phpini::get_config($inifile);
local @allzends = grep { $_->{'name'} eq 'zend_extension' } @$conf;
local @zends = grep { $_->{'enabled'} } @allzends;
local ($got) = grep { $_->{'value'} eq $sodest } @zends;
if (!$got) {
	# Needs to be enabled
	local $lref = &read_file_lines($inifile);
	if (@zends) {
		# After current extensions
		splice(@$lref, $zends[$#zends]->{'line'}+1, 0,
		       "zend_extension=$sodest");
		}
	elsif (@allexts) {
		# After commented out extensions
		splice(@$lref, $allzends[$#allzends]->{'line'}+1, 0,
		       "zend_extension=$sodest");
		}
	else {
		# At end of file (should never happen, but..)
		push(@$lref, "zend_extension=$sodest");
		}
	&write_as_domain_user($d,
		sub { &flush_file_lines($inifile) });
	undef($phpini::get_config_cache{$inifile});
	}

# Apply apache config now, for later wgets
&push_all_print();
&restart_apache();
&pop_all_print();

# Create empty config file
if (!-r $cfile) {
	&open_tempfile_as_domain_user($d, CFILE, ">$cfile");
	&close_tempfile_as_domain_user($d, CFILE);
	&make_file_php_writable($d, $cfile);
	}

# Run install script
local $ipath = $opts->{'path'}."/install/install.php";
if (!$upgrade) {
	# Fetch config check page
	local ($out, $err);
	&get_http_connection($d, $ipath."?step=2", \$out, \$err);
	if ($err) {
		return (-1, "Failed to fetch system check page : $err");
		}
	elsif ($out !~ /Continue/) {
		return (-1, "System check failed");
		}

	# Post to DB setup page
	local @params = (
		[ "licensekey", $opts->{'licensekey'} ],
		[ "dbhost", $dbhost ],
		[ "dbname", $dbname ],
		[ "dbusername", $dbuser ],
		[ "dbpassword", $dbpass ],
		);
	local $params = join("&", map { $_->[0]."=".&urlize($_->[1]) } @params);
	local ($out, $err);
	&post_http_connection($d, $ipath."?step=4", $params, \$out, \$err);
	if ($err) {
		return (-1, "Database setup page failed : $err");
		}
	elsif ($out !~ /Setup\s+Administrator\s+Account/i) {
		return (-1, "Database setup did not succeed");
		}

	# Post to user creation page
	local @params = (
		[ "firstname", $d->{'owner'} ],
		[ "lastname", "" ],
		[ "email", $d->{'emailto'} ],
		[ "username", $domuser ],
		[ "password", $dompass ],
		);
	local $params = join("&", map { $_->[0]."=".&urlize($_->[1]) } @params);
	local ($out, $err);
	&post_http_connection($d, $ipath."?step=5", $params, \$out, \$err);
	if ($err) {
		return (-1, "Account creation page failed : $err");
		}
	elsif ($out !~ /Installation\s+Complete/i) {
		return (-1, "Account creation did not succeed");
		}
	}
else {
	# Fetch config check page
	local ($out, $err);
	&get_http_connection($d, $ipath."?step=2", \$out, \$err);
	if ($err) {
		return (-1, "Failed to fetch upgrade check page : $err");
		}
	elsif ($out !~ /Perform\s+Upgrade/) {
		return (-1, "Upgrade check failed");
		}

	# Post to DB upgrade page
	local $oldver = $upgrade->{'version'};
	$oldver =~ s/\.//g;
	local @params = (
		[ "step", "upgrade" ],
		[ "version", $oldver ],
		[ "confirmbackup", 1 ],
		);
	local $params = join("&", map { $_->[0]."=".&urlize($_->[1]) } @params);
	local ($out, $err);
	&post_http_connection($d, $ipath, $params, \$out, \$err);
	if ($err) {
		return (-1, "Database upgrade page failed : $err");
		}
	elsif ($out !~ /Upgrade\s+Complete/i) {
		return (-1, "Database upgrade did not succeed");
		}
	}

# Setup cron job
local $url = &script_path_url($d, $opts);
if (!$upgrade) {
	&create_script_wget_job($d, $url."admin/cron.php",
			        int(rand()*60), '*', 1);
	}

# Delete install folder
&unlink_file_as_domain_user($d, "$opts->{'dir'}/install");

# Return a URL for the user
local $rp = $opts->{'dir'};
$rp =~ s/^$d->{'home'}\///;
local $adminurl = $url."admin/";
return (1, "WHMCS installation complete. It can be accessed at <a href=$url target=_new>$url</a> and managed at <a href=$adminurl target=_new>$adminurl</a>. For more information, see <a href=http://wiki.whmcs.com/Installing_WHMCS target=_new>http://wiki.whmcs.com/Installing_WHMCS</a> and <a href=http://wiki.whmcs.com/Virtualmin_Pro target=_new>http://wiki.whmcs.com/Virtualmin_Pro</a>.",
	"Under $rp using $dbphptype database $dbname", $url,
	$domuser, $dompass);
}

# script_whmcs_uninstall(&domain, version, &opts)
# Un-installs a WHMCS installation, by deleting the directory and database.
# Returns 1 on success and a message, or 0 on failure and an error
sub script_whmcs_uninstall
{
local ($d, $version, $opts) = @_;

# Remove tbl* tables from the database
&cleanup_script_database($d, $opts->{'db'}, "tbl");

# Delete the cron job
&delete_script_wget_job($d, $sinfo->{'url'}."admin/cron.php");

# Remove the contents of the target directory
local $derr = &delete_script_install_directory($d, $opts);
return (0, $derr) if ($derr);

# Take out the DB
if ($opts->{'newdb'}) {
	&delete_script_database($d, $opts->{'db'});
	}

return (1, "WHMCS directory and tables deleted.");
}

# script_whmcs_latest(version)
# Returns a URL and regular expression or callback func to get the version
sub script_whmcs_latest
{
local ($ver) = @_;
return ( "http://forum.whmcs.com/forumdisplay.php?s=f0986c5381d494b7b6b6a0923fef97e0&f=9",
	 "WHMCS\\s+V([0-9\\.]+)\\s" );
}

sub script_whmcs_site
{
return 'http://www.whmcs.com/members/aff.php?aff=4115';
}

sub script_whmcs_passmode
{
return 1;
}

1;

