<?php

// 1.2 - fixed site using subdomains.
// 1.1 - Added jawstats config support. If $jawstats_enabled=true, awstats switches to jawstats instead for all sites
//     - Some bug fixes
// 1.0 - [sleepyhead] First release

class awstats_plugin
{

	var $plugin_name = 'awstats_plugin';
	var $class_name  = 'awstats_plugin';

	####### START OF PER SETUP CONFIGURABLE PARAMETERS ########
	var $admin_name		= "ispc3admin";
	var $admin_pass		= "";  # Empty means there will be no superadmin account.

	var $jawstats_enabled	= false;
	var $jawstats_ispc_conf	= "/usr/share/jawstats/config.ispc.php";

	var $globalpasswordfile	= '/usr/lib/cgi-bin/.htpasswd_stats';

	var $update_all_domains	= true;
	// true = all regardless of which was added/updated
	// false = only the single domain which was added/updated

	var $update_all_clients	= true;
	// true = all regardless of which was added/updated
	// false = only the single user which was added/updated

	var $logging		= true;

	var $log2syslog		= false;
	// true  = linux syslogs (need i say more?)
	// false = use normal logfiles specified settings below

	var $logfile		= "/var/log/ispc3-awstats.log";
	var $logtype		= "overwrite";
	// increment = incrementally add updates (this can be very verbose if 'all/all' set above
	// overwrite = new updates will overwrite the log file (good for 'all/all' setting above to see overall configs)
	####### END OF PER SETUP CONFIGURABLE PARAMETERS ########

	//* This function is called during ispconfig installation to determine
	//  if a symlink shall be created for this plugin.
	function onInstall() {
		global $conf;

		if(isset($conf['services']['awstats']) && $conf['services']['awstats'] == true)
			return true;
		
		return false;
	}

	function logger($message="Awstats - Unset message!")
	{
		if ( $this->logging != true ) return;
		if ( $this->log2syslog == true )
			syslog(LOG_NOTICE,$message);
		else
		{
			$fp = fopen($this->logfile, "a");
			if ($fp)
			{
				fwrite($fp,trim($message)."\n");
				fclose($fp);
			}
			else
				syslog(LOG_NOTICE,"ispc3-awstats plugin cannot write to ".$this->logfile);
		}
		return true;
	}

        /*
                This function is called when the plugin is loaded
        */
        function onLoad() {
                global $app;

                //
		// Register for the events
                //
                $app->plugins->registerEvent('web_domain_insert',$this->plugin_name,'domain_insert');
                $app->plugins->registerEvent('web_domain_update',$this->plugin_name,'domain_update');
                $app->plugins->registerEvent('web_domain_delete',$this->plugin_name,'domain_delete');
                $app->plugins->registerEvent('client_insert',$this->plugin_name,'client_insert');
                $app->plugins->registerEvent('client_update',$this->plugin_name,'client_update');
                $app->plugins->registerEvent('client_delete',$this->plugin_name,'client_delete');

		if ( $this->log2syslog == false && $this->logtype == "overwrite" )
		{
			// wipe log for update
			$fp = fopen($this->logfile, "w");
			fclose($fp);
		}
		return true;
	}

	function write_global_password_file()
	{
		global $app, $conf;

		$result = $app->db->queryAllRecords("SELECT DISTINCT c.username,c.password FROM web_domain wd,sys_group sg,client c where wd.sys_groupid = sg.groupid and sg.client_id = c.client_id");
		//
		// GLOBAL HTPASSWORD
		//
		$fp = fopen($this->globalpasswordfile,"w");
		if ($fp)
		{
			$userlist='';
			foreach($result as $row)
			{
				fwrite($fp,$row['username'].":".$row['password']."\n");
				$userlist .= $row['username']." ";
			}
			if ( ! empty($this->admin_pass) )
				fwrite($fp,$this->admin_name.":".crypt($this->admin_pass)."\n");
			fclose($fp);
			$this->logger("write_global_password_file() Global .htpasswd_stats updated -> $userlist");
		}
		return true;
	}

	function write_password_file($row)
	{
		$domain		= $row['domain'];
		$username	= $row['username'];
		$password	= $row['password'];
		$statspassword	= $row['stats_password'];
		$domroot	= $row['document_root'];
		//
		// HTPASSWORD
		//
		$fp = fopen($domroot."/.htpasswd_stats","w");
		if ($fp)
		{
			$writepass=$statspassword!=""?$statspassword:$password;
			fwrite($fp,$username.":".$writepass."\n");
			if ( ! empty($this->admin_pass) )
				fwrite($fp,$this->admin_name.":".crypt($this->admin_pass)."\n");
			fclose($fp);
			$this->logger("write_password_file() Domain::$domain DomRoot::$domroot .htpasswd_stats updated");
		}
		return true;
	}

	function write_domain_access($row)
	{
		$domain		= $row['domain'];
		if ( $row['is_subdomainwww']==1 && $row['subdomain']=='www' )
			$domain		= "www.".$row['domain'];

		$username	= $row['username'];
		$password	= $row['password'];
		$statspassword	= $row['stats_password'];
		$domroot	= $row['document_root'];

		$this->logger("write_domain_access() Domain::$domain DomRoot::$domroot .htaccess update base off data ".print_r($row,true));

		//
		// HTACCESS
		//

		if ( file_exists("/etc/awstats/awstats.".$row["old"]["domain"].".conf") && is_file("/etc/awstats/awstats.".$row["old"]["domain"].".conf") )
			unlink("/etc/awstats/awstats.".$row["old"]["domain"].".conf");

		$fp = fopen($domroot."/web/stats/.htaccess","w");
		if ($fp)
		{
			$access ="AuthType Basic\n";
			$access.="AuthName \"Site Client Access Only\"\n";
			$access.="AuthUserFile $domroot/.htpasswd_stats\n";
			$access.="<limit GET PUT POST>\n";
			$access.="require valid-user\n";
			$access.="</limit>\n";
			if ( $this->jawstats_enabled )
				$access.="Redirect 301 /stats http://$domain/jawstats/?config=$domain&\n\n";
			else
				$access.="Redirect 301 /stats http://$domain/ispcstats/awstats.pl?config=$domain&\n\n";

			fwrite($fp,$access);
			fclose($fp);
			$this->logger("write_domain_access() Domain::$domain DomRoot::$domroot .htaccess updated");
		}
		else
			$this->logger("write_domain_access() Failed to open $domroot/web/stats/.htaccess for writing!");

		$this->logger("write_domain_access() Domain::$domain DomRoot::$domroot Conf -> /etc/awstats/awstats.".$domain.".conf");

		return true;

	}

	function write_domain_conf($row)
	{
		$domain		= $row['domain'];
		if ( $row['is_subdomainwww']==1 && $row['subdomain']==www )
			$domain		= "www.".$row['domain'];
		$username	= $row['username'];
		$password	= $row['password'];
		//
		// AWSTATA.DOMAIN.CONF
		//
		$fp = fopen("/etc/awstats/awstats.".$domain.".conf","w");
		if ($fp)
		{
	
			$aw_config  = "Include \"/etc/awstats/awstats.conf\"\n";
			$aw_config .= "LogFile=\"/var/log/ispconfig/httpd/".$domain."/access.log\"\n";
			$aw_config .= "SiteDomain=\"".$domain."\"\n";
			$aw_config .= "AllowAccessFromWebToFollowingAuthenticatedUsers=\"$username ".$this->admin_name."\"\n";

			fwrite($fp,$aw_config);
			fclose($fp);

			$this->logger("write_domain_conf() Domain::$domain Conf updated");
		}
		else
			$this->logger("write_domain_conf() Domain::$domain Conf failed to update");
	}

	function write_jawstats_config()
	{
		global $app, $conf;
		$result = $app->db->queryAllRecords("SELECT c.username,c.password,wd.domain,wd.document_root FROM web_domain wd,sys_group sg,client c where wd.sys_groupid = sg.groupid and sg.client_id = c.client_id and wd.type='vhost' $mysqlextra");
		$template="<?php\n";
		$template.="\$aConfig['sitenotconfigured'] = array(\n";
		$template.=");\n";
		foreach($result as $row)
		{
			$template.="\$aConfig['".$row['domain']."'] = array(\n";
			$template.="\"statspath\"   => \"/var/lib/awstats.data/\",\n";
			$template.="\"updatepath\"  => \"/usr/lib/cgi-bin/awstats.pl/\",\n";
			$template.="\"siteurl\"     => \"http://".$row['domain']."\",\n";
			$template.="\"theme\"       => \"default\",\n";
			$template.="\"fadespeed\"   => 250,\n";
			$template.="\"password\"    => \"\",\n";
			$template.="\"includes\"    => \"\"\n";
			$template.=");\n\n";

		}
		file_put_contents($this->jawstats_ispc_conf,$template);
	}

        function client_insert($event_name,$data) {
		global $app, $conf;
//		$this->write_domain_conf($data); NOT SURE IF THIS ONE IS NEEDED
		return true;
        }

        function client_update($event_name,$data) {
		global $app, $conf;

		$this->write_domain_conf($data['new']);

		$mysqlextra = "";
		if ( $this->update_all_clients == false )
			$mysqlextra = "and c.username='".$data['new']['username']."'";

		$result = $app->db->queryAllRecords("SELECT c.username,c.password,wd.domain,wd.document_root FROM web_domain wd,sys_group sg,client c where wd.sys_groupid = sg.groupid and sg.client_id = c.client_id and wd.type='vhost' $mysqlextra");
		foreach($result as $row)
		{
			$this->write_domain_conf($row);
			#EIT $this->write_domain_access($row);

			if ( $data['new']['username'] != $data['old']['username'] || $data['new']['password'] != $data['old']['password'] )
			{
				$this->logger("client_update() Client::".$data['new']['username']." Username/Password different, updating password files");
				$this->write_global_password_file();
				$this->write_password_file($row);
			}
		}

		return true;
        }

        function client_delete($event_name,$data) {
		global $app, $conf;
		
		$this->write_domain_conf($data['new']);

		if ( $this->update_all_clients == false )
			$mysqlextra = "and c.username='".$data['new']['username']."'";

		$result = $app->db->queryAllRecords("SELECT DISTINCT c.username,c.password,wd.domain FROM web_domain wd,sys_group sg,client c where wd.sys_groupid = sg.groupid and sg.client_id = c.client_id and wd.type='vhost' $mysqlextra");
		foreach($result as $row)
		{
			$this->write_domain_conf($data);

			if ( $this->update_all_domains == false ) break;
		}
		$this->write_global_password_file();
		return true;
	}

        function domain_update($event_name,$data)
	{
		global $app, $conf;

		$mysqlextra='';
		if ( $this->update_all_domains == false )
			$mysqlextra = "and wd.domain='".$data['new']['domain']."'";

		$result = $app->db->queryAllRecords("SELECT * FROM web_domain wd,sys_group sg,client c where wd.sys_groupid = sg.groupid and sg.client_id = c.client_id and wd.type = 'vhost' $mysqlextra");
		foreach($result as $row)
		{
			$this->write_domain_conf($row);
			$this->write_domain_access($row);
			$this->write_password_file($row);
			if ( $this->jawstats_enabled ) $this->write_jawstats_config();
		}
		$this->write_global_password_file();
		return true;
        }

        function domain_insert($event_name,$data)
	{
		global $app, $conf;

		$mysqlextra='';
		if ( $this->update_all_domains == false )
			$mysqlextra = "and wd.domain='".$data['new']['domain']."'";

		$result = $app->db->queryAllRecords("SELECT * FROM web_domain wd,sys_group sg,client c where wd.sys_groupid = sg.groupid and sg.client_id = c.client_id and wd.type = 'vhost' $mysqlextra");
		foreach($result as $row)
		{
			$this->write_domain_conf($row);
			$this->write_domain_access($row);
			$this->write_password_file($row);
			if ( $this->jawstats_enabled ) $this->write_jawstats_config();
		}
		$this->write_global_password_file();
		return true;
        }

        function domain_delete($event_name,$data)
	{
                if($data["old"]["domain"] != '' )
		{
                        if ( @is_file("/etc/awstats/awstats.".$data["old"]["domain"].".conf") )
			{
				@unlink("/etc/awstats/awstats.".$data["old"]["domain"].".conf");
#				@unlink($data["old"]["domain"]."/.htpasswd_stats");
				$this->logger("domain_delete() /etc/awstats/awstats.".$data["old"]["domain"].".conf removed");
#				$this->logger("domain_delete() ".$data["old"]["domain"]."/.htpasswd_stats removed");
			}
		}
		$this->write_global_password_file();
		if ( $this->jawstats_enabled ) $this->write_jawstats_config();

		return true;
	}

}
?>