<?php
class tw_vjs_tv_zing_vn extends tw_videojs_getlink{

	private $_key    = 'f_pk_ZingTV_1_@z';
    private $_iv     = 'f_iv_ZingTV_1_@z';
    public  $_result = '';
    public  $_text    = '';

    public function zing_decrypt(){
        if($this->_text != ''){
            $cipher = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', MCRYPT_MODE_CBC, '');
            $iv_size = mcrypt_enc_get_iv_size($cipher);
            if(mcrypt_generic_init($cipher, $this->_key, $this->_iv) != -1){
                $cipherText = mdecrypt_generic($cipher,$this->zing_hexToString($this->_text));
                mcrypt_generic_deinit($cipher);
                $this->_result = $cipherText;
                return true;
            }else{
                return false;
            }
        }
    }

    public function zing_hexToString($hex){
        if(!is_string($hex)){
            return null;
        }
        $char = '';
        for($i = 0; $i < strlen($hex); $i += 2){
            $char .= chr(hexdec($hex{$i} . $hex{($i + 1)}));
        }
        return $char;
    }

    public function get_link($url){

        $full_content = $this->get_content($url);
        preg_match_all('/xmlURL: "([^>]*)",/U', $full_content, $link_zing);
        preg_match('/<source src="(.*?)" type="(.*?)" \/>/is', $full_content, $type);
        $result['type'] = $type[2];
        $xml = str_replace( 'media', 'media-embed', $link_zing[1][0]);
        $sourceXML = file_get_contents('compress.zlib://' . $xml);
        for($i = 1; $i <= 3; $i++){
            $f360 = explode('<source streamingType="' . $i . '"><![CDATA[', $sourceXML);
            $f360 = explode(']]></source>', $f360[1]);
            $this->_text = $f360[0];
            if($this->zing_decrypt() != false){
                if($this->_result != ''){
                    $f360 = explode('web_embed_flash', $this->_result);
                    $result['360p'] = $f360[0] . 'web_embed_flash';
                    $f480 = explode('<f480 streamingType="' . $i . '"><![CDATA[', $sourceXML);
                    $f480 = explode(']]></f480>', $f480[1]);
                    $this->_text = $f480[0];
                    if($this->zing_decrypt() != false){
                        $f480 = explode('web_embed_flash', $this->_result);
                        $result['480p'] = $f480[0] . 'web_embed_flash';
                        $f720 = explode('<f720 streamingType="' . $i . '"><![CDATA[',$sourceXML);
                        $f720 = explode(']]></f720>', $f720[1]);
                        $this->_text = $f720[0];
                        if($this->zing_decrypt() != false){
                            $f720 = explode('web_embed_flash', $this->_result);
                            $result['720p'] = $f720[0] . 'web_embed_flash';
                        }
                    }
                    break;
                }
            }
        }
        return $result;
    }
}