<?php

class Profitraf
{
    private $config = array();
    private $errstr = 'Нет ошибок';

    private function setArray($config, $par)
    {
        if (!isset($config[$par]))
            $this->config[$par] = array();
        else
            $this->config[$par] = $config[$par];
    }

    private function setBool($config, $par)
    {
        if (isset($config[$par]) and $config[$par] === true)
            $this->config[$par] = true;
        else
            $this->config[$par] = false;
    }

    private function setString($config, $par)
    {
        if (isset($config[$par]))
            $this->config[$par] = $config[$par];
        else
            $this->config[$par] = '';
    }

    // loads configuration
    public function loadConfig()
    {
        if (is_file&#40;profitraf_conffile&#41;) {
            include profitraf_conffile;
        }
        // state
        $this->setBool($config, 'on');
        // hosts
        $this->setArray($config, 'hosts');
        // groups
        $this->setArray($config, 'groups');
        // attachments
        $this->setBool($config, 'attach');
        // news
        $this->setBool($config, 'post');
        // static
        $this->setBool($config, 'static');
        // link name
        $this->setString($config, 'linkname');
        // link size
        $this->setString($config, 'linksize');
        // link type
        $this->setString($config, 'linktype');
    }

    // saves configuration
    public function saveConfig($on, $hosts, $groups, $attach, $post, $static)
    {
        // parsing hosts
        $phosts = array();
        $tmp_hosts = explode("\n", $hosts);
        foreach ($tmp_hosts as $host)
            if (($tmp = trim($host)) != '')
                $phosts[] = str_replace('\'', '\\\'', str_replace('\\', '\\\\', $tmp));
        $phosts = array_unique($phosts);
        // parsing groups
        $pgroups = array();
        if (isset($groups))
            foreach ($groups as $group)
                $pgroups[] = intval($group);
        $pgroups = array_unique($pgroups);
        // parsing strings
        $linkname = str_replace('\'', '\\\'', str_replace('\\', '\\\\', $this->config['linkname']));
        $linksize = str_replace('\'', '\\\'', str_replace('\\', '\\\\', $this->config['linksize']));
        $linktype = str_replace('\'', '\\\'', str_replace('\\', '\\\\', $this->config['linktype']));

        $str = '<?php

$config = array(
    \'on\' => ' . ($on ? 'true' : 'false') . ',
    \'attach\' => ' . ($attach ? 'true' : 'false') . ',
    \'post\' => ' . ($post ? 'true' : 'false') . ',
    \'static\' => ' . ($static ? 'true' : 'false') . ',
    \'hosts\' => array(';
        $tmp = '';
        foreach ($phosts as $host)
            $tmp .= '
        \'' . $host . '\',';
        $str .= substr($tmp, 0, -1) . '
    ),
    \'groups\' => array(';
        $tmp = '';
        foreach ($pgroups as $group)
            $tmp .= '
        ' . $group . ',';
        $str .= substr($tmp, 0, -1) . '
    ),
    \'linkname\' => \'' . $linkname . '\',
    \'linksize\' => \'' . $linksize . '\',
    \'linktype\' => \'' . $linktype . '\'
);';
        if (false === file_put_contents(profitraf_conffile, $str)) {
            $this->errstr = 'Не могу записать конфигурацию в файл "' . realpath(profitraf_conffile) . '"';
            return false;
        }
        return true;
    }

    public function getType($ext)
    {
        $types = array('archive' => '.7z.bz2.cab.deb.jar.rar.rpm.tar.zip.',
                       'video'   => ".3gp.aaf.asf.flv.mkv.mov.mpeg.qt.wmv.hdv.mpeg4.mp4.dvd.mxf.avi.",
                       'audio'   => ".aac.asf.cda.fla.mp3.ogg.wav.wma.cd.ac3.dts.flac.midi.mod.aud.",
                       'image'   => ".bmp.cpt.gif.jpeg.jpg.jp2.pcx.png.psd.tga.tpic.tiff.tif.wdp.hdp.cdr.svg.ico.ani.cur.xcf.",
                       'torrent' => ".torrent.",
                       'android' => ".apk.",
                       'book'    => ".ps.eps.pdf.doc.txt.rtf.djvu.opf.chm.sgml.xml.fb2.fb3.tex.lit.exebook.prc.epub.",
                       'disk'    => ".img.iso.nrg.mdf.uif.bin.cue.daa.pqi.cso.ccd.sub.wim.swm.rwm.");
        $ext = '.' . strtolower($ext) . '.';
        foreach ($types as $type => $exts)
            if (false !== strpos($exts, $ext))
                return $type;
        return 'setup';
    }

    // returns profitraf url
    public function createUrl($url, $group, $name = null, $size = null, $isattach = false)
    {
        global $config;
        if (!isset($this->config))
            return '';
        if (!$this->config['on'])
            return '';
        if (count($this->config['groups']) and !in_array($group, $this->config['groups']))
            return '';
        // leech
        if (substr($url, 0, strlen($config['http_home_url'])) == $config['http_home_url'] and false !== $leechPos = strpos($url, 'go.php?url='))
            $url = base64_decode(urldecode(substr($url, $leechPos + 11)));
        // remove last slashes
        $url = preg_replace('@/*$@', '', $url);
        // name
        if (false === $lastSlash = strrpos($url, '/'))
            $urlName = $url;
        else
            $urlName = substr($url, $lastSlash + 1);
        // extension
        if (false === $lastDot = strrpos($urlName, '.'))
            $urlExt = '';
        else
            $urlExt = substr($urlName, $lastDot + 1);
        // domain
        if (false === $firstSlash = strpos($url, '/')) {
            $urlProtocol = '';
            $urlDomain = $url;
        } else {
            if ($firstSlash != 0 and $firstSlash != strlen($url) - 2 and $url[$firstSlash - 1] == ':' and $url[$firstSlash + 1] == '/') {
                $urlProtocol = substr($url, 0, $firstSlash - 1);
                if (false === $secondSlash = strpos($url, '/', $firstSlash + 2))
                    $urlDomain = substr($url, $firstSlash + 2);
                else
                    $urlDomain = substr($url, $firstSlash + 2, $secondSlash - $firstSlash - 2);
            } else {
                $urlProtocol = '';
                $urlDomain = substr($url, 0, $firstSlash);
            }

        }
        // check domain
        if (!$isattach and count($this->config['hosts'])) {
            $found = false;
            foreach ($this->config['hosts'] as $host)
                if (substr($urlDomain, -strlen($host)) == $host) {
                    $found = true;
                    break;
                }
        } else
            $found = true;
        if (!$found)
            return '';
        // get ext
        if ($name) {
            // extension
            if (false === $nameDot = strrpos($name, '.'))
                $ext = $urlExt;
            else
                $ext = substr($name, $nameDot + 1);
        } else {
            $name = $urlName;
            $ext = $urlExt;
        }
        // get type
        $type = $this->getType($ext);

        $str = $this->config['linktype'] . '="' . str_replace('"', '', $type) . '" ';
        if ($name)
            $str .= $this->config['linkname'] . '="' . str_replace('"', '', $name) . '" ';
        if ($size)
            $str .= $this->config['linksize'] . '="' . str_replace('"', '', $size) . '" ';
        return $str;
    }

    // returns error string
    public function error()
    {
        return $this->errstr;
    }

    // returns hosts
    public function getHosts()
    {
        return $this->config['hosts'];
    }

    // returns groups
    public function getGroups()
    {
        return $this->config['groups'];
    }

    // returns state
    public function isOn()
    {
        return $this->config['on'];
    }

    // returns attachments
    public function isAttachments()
    {
        return $this->config['attach'];
    }

    // returns news
    public function isPost()
    {
        return $this->config['post'];
    }

    // returns static
    public function isStatic()
    {
        return $this->config['static'];
    }

    public function replaceLinks($str, $group)
    {
        $resstr = '';
        $pos2 = 0;
        while (false !== $pos = strpos($str, 'href="', $pos2)) {
            $resstr .= substr($str, $pos2, $pos - $pos2);
            if (false === $pos2 = strpos($str, '"', $pos + 6)) {
                $pos2 = $pos;
                break;
            }
            $url = substr($str, $pos + 6, $pos2 - $pos - 6);
            $resstr .= $this->createUrl($url, $group) . substr($str, $pos, $pos2 - $pos);
        }
        $resstr .= substr($str, $pos2);
        return $resstr;
    }