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编辑当前文件:/www/wwwroot/shphe-en.com/wp-content/plugins/down-as-pdf/generate.php

<?php

require_once dirname(__FILE__) . '/../../../wp-load.php';

function hacklog_dap_process_error_backtrace()
{
	$e = error_get_last();

if (!(error_reporting() & $e['type']))
		return;
	switch ($e['type'])
	{
		case E_WARNING :
		case E_USER_WARNING :
		case E_STRICT :
		case E_NOTICE :
		case E_DEPRECATED :
		case E_USER_NOTICE :
			$type = 'warning';
			$fatal = false;
			break;
		default :
			$type = 'fatal error';
			$fatal = true;
			break;
	}
	if (current_user_can('manage_options'))
	{
		$trace = debug_backtrace();
		array_shift($trace);
		echo '<p class="error_backtrace">' . "\n";
		echo '  Backtrace from ' . $type . ' \'' . $e['message'] . '\' at ' . $e['file'] . ' ' . $e['line'] . ':' . "\n";
		echo '  <ol>' . "\n";
		foreach ($trace as $item)
			echo '	<li>' . (isset($item['file']) ? $item['file'] : '<unknown file>') . ' ' . (isset($item['line']) ? $item['line'] : '<unknown line>') . ' calling ' . $item['function'] . '()</li>' . "\n";
		echo '  </ol>' . "\n";
		echo '</p>' . "\n";

flush();
	}
	if ($fatal)
		wp_die("<p>Fatal Error! To debug,please put OR change <strong>define('WP_DEBUG', TRUE);</strong> in your <strong>wp-config.php</strong> and then visit this page again to see what happened.<br />Error Message generated by <strong>Down As PDF</strong> plugin");
}

if (WP_DEBUG)
{
	ini_set('display_errors', 1);
}
else
{
	ini_set('display_errors', 0);
	add_action('shutdown', 'hacklog_dap_process_error_backtrace', -999);
}

if (headers_sent($file, $line))
{
	if (WP_DEBUG)
	{
		wp_die('Error: header already sent in file <strong>' . $file . '</strong> line <strong>' . $line . '</strong>.Please check your server configure or contact the administrator.');
	}
	else
	{
		wp_die(__('Error: header already sent! Please contact the site administrator to solve this problem.', self::textdomain));
	}
}

/**
 * antileech check
 * for that https does not send referer info
 */
if (!is_ssl() && (!isset($_SERVER ['HTTP_REFERER']) || $_SERVER ['HTTP_REFERER'] == ''))
{
	wp_die(__('Please do not leech.', hacklog_dap::plugin_domain));
}

$refererhost = @parse_url($_SERVER ['HTTP_REFERER']);
//如果本站下载也被误认为盗链，请修改下面www.your-domain.com为你的博客域名
$validReferer = array('www.your-domain.com', $_SERVER ['HTTP_HOST']);
if (!(in_array($refererhost ['host'], $validReferer)))
{
	wp_die(__('Please do not leech.', hacklog_dap::plugin_domain));
}

/**
 * make sure the input data is secure.
 */
$post_id = 0;
$post_id = (int) $_GET['id'];

if( !hacklog_dap::get_allow_down_default() && 1!= get_post_meta($post_id, hacklog_dap::meta_key ,TRUE))
{
	wp_die(__('OOPS! this post is not allowed to be downloaded currently.', hacklog_dap::plugin_domain));
}

//if( !is_user_logged_in() && $post_id != 4579 )
//{
//	wp_die(__('<p>:(,Sorry.<br />Currently only logged in user can download.</p>'));
//}

$post = get_post($post_id);
setup_postdata($post);

//check if post exists
if (!$post)
{
	wp_die(__('OOPS! Post does not exists.', hacklog_dap::plugin_domain));
}

if (!current_user_can('manage_options'))
{
//if private or password protected
	if (post_password_required($post))
	{
		wp_die(__('OOPS! This post is password protected.', hacklog_dap::plugin_domain));
	}

if (isset($post->post_status) && 'publish' != $post->post_status)
	{
		wp_die(__('OOPS! This post is currently not published.', hacklog_dap::plugin_domain));
	}
}

//////////////////////////////////////////////////////////////////////////////////////////
// maximum execution time in seconds
@set_time_limit(300);
//memory linit 128M
@ini_set('memory_limit', 1024 * 1024 * 128);

$down_as_pdf_options = get_option( hacklog_dap::opt_name );
$download_type = stripslashes($down_as_pdf_options['download_type']);
$show_in = stripslashes($down_as_pdf_options['show_in']);
$main_font_size = stripslashes($down_as_pdf_options['main_font_size']);
$enable_font_subsetting = stripslashes($down_as_pdf_options['enable_font_subsetting']);
$use_cc = stripslashes($down_as_pdf_options['use_cc']);
$cache = (bool) stripslashes($down_as_pdf_options['cache']);

$subsetting_value = 1 == $enable_font_subsetting ? true : false;
//'droidsansfallback' OR 'stsongstdlight' OR msungstdlight
//$main_font = 'msungstdlight';
//$main_font = 'cid0cs';
$main_font = stripslashes($down_as_pdf_options['font']);
require_once dirname(__FILE__) . '/fontconfig.class.php';
$dap_LFConfig = new DAP_LangFontConfig($main_font, $subsetting_value);

//setup the font again
$main_font = $dap_LFConfig->get('font');
$subsetting_value = $dap_LFConfig->get('font_subsetting');

//only allowed post type can be downloaded
if (!in_array($post->post_type, array($show_in)) && 'post,page' != $show_in)
{
	wp_die(__('Oh,No! What are U doing?', hacklog_dap::plugin_domain));
}

/**
 * setup TCPDF local languages
 */
$lang_file = $dap_LFConfig->get('lang');
require_once hacklog_dap::get_plugin_dir() . "tcpdf/config/lang/{$lang_file}.php";

//require the LIB
require hacklog_dap::get_plugin_dir() . 'tcpdf/tcpdf.php';

//author
$objAuthor = get_userdata($post->post_author);
$strPermalink = get_permalink($post->ID);
$strShortlink = home_url('?p=' . $post->ID);;
$home_url = home_url('/');
$admin_email = get_option('admin_email');
if ($objAuthor->display_name)
{
	$strAuthor = $objAuthor->display_name;
}
else
{
	$strAuthor = $objAuthor->user_nicename;
}
//标签  TAGS     
$t = array();
$tags = '';
$tags_arr = wp_get_post_tags($post->ID);
if ($tags_arr)
{
	foreach ($tags_arr as $item)
	{
		$t[] = $item->name;
	}
	$tags = implode(',', $t);
}
// create new PDF document
//disable Disk caching ,for it may takes more than 60s to handle a post.
$pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, TRUE, 'UTF-8', $cache, FALSE);
// set document information
$pdf->SetCreator(PDF_CREATOR);
$pdf->SetAuthor($strAuthor . ' ' . $admin_email);
$pdf->SetTitle($post->post_title . get_option('blogname'));
$pdf->SetSubject(strip_tags(get_the_category_list(',', '', $post_id)));
$pdf->SetKeywords($tags);
// set default header data
$max_title_len = 40;
$post_title = strip_tags($post->post_title);
$len = function_exists('mb_strlen') ? mb_strlen($post_title, 'UTF-8') : strlen($post_title);
$end_str = $len > $max_title_len ? '...' : '';
$part_title = function_exists('mb_substr') ? mb_substr($post_title, 0, $max_title_len, 'UTF-8') : substr($post_title, 0, $max_title_len);
$part_title .= $end_str;

$pdf->SetHeaderData();
// set header and footer fonts
$pdf->setHeaderFont(Array(
	PDF_FONT_NAME_MAIN,
	'',
	10));
//if uses CJK ,be aware of the font. use Latin font ,the page footer char will become '??'
$pdf->setFooterFont(Array(
	PDF_FONT_NAME_MAIN,
	'',
	PDF_FONT_SIZE_DATA));
// set default monospaced font
//dejavusansmono is good for code
$pdf->SetDefaultMonospacedFont(PDF_FONT_MONOSPACED);
//set margins
$pdf->SetMargins(PDF_MARGIN_LEFT, PDF_MARGIN_TOP, PDF_MARGIN_RIGHT);
$pdf->SetHeaderMargin(PDF_MARGIN_HEADER);
$pdf->SetFooterMargin(PDF_MARGIN_FOOTER);
//set auto page breaks
$pdf->SetAutoPageBreak(TRUE, PDF_MARGIN_BOTTOM);
//set image scale factor
$pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);
//set some language-dependent strings
$pdf->setLanguageArray($l);
// ---------------------------------------------------------
// Set font
// dejavusans is a UTF-8 Unicode font, if you only need to
// print standard ASCII chars, you can use core fonts like
// helvetica or times to reduce file size.
//SetFont($family, $style='', $size=0, $fontfile='', $subset='default')
//$pdf->SetFont('arialunicid0', '', 14, '', true);
//use font subsetting or not
$pdf->setFontSubsetting($subsetting_value);
$pdf->SetFont($main_font, '', PDF_FONT_SIZE_MAIN, '', 'default');
//for Chinese word in pre tags
$pdf->SetDefaultMonospacedFont($main_font);
/*
 * By default TCPDF enables font subsetting to reduce the size of embedded Unicode TTF fonts,
 *  this process, that is very slow and requires a lot of memory, can be turned off using 
 *  setFontSubsetting(false) method;
 */
// Add a page
// This method has several options, check the source code documentation for more information.
$pdf->AddPage();
$content = '';
$images = get_field('product_gallery',$post_id);
if($images){
	foreach($images as $image){
    	$content .= '<img style="width:200px;height:200px;padding:5px;" src="'.$image['sizes']['thumbnail'].'"/>';
    }
    $content .= '<br /><br />';
}

$content .= $post->post_content;

/**
 * class for handling code , pre , cc block
 */
class dap_codeblock_callback
{

private static $code_block = array();
	private static $code_block_num = 0;
	private static $code_block_index = '::_IHACKLOG_DAP_CODE_BLOCK_%d_::';

public static function get_code_block()
	{
		return self::$code_block;
	}

public static function codecolorer_plugin_callback($matches)
	{
		$index = sprintf(self::$code_block_index, self::$code_block_num);
		self::$code_block[$index] = "<pre style=\"word-wrap:break-word;color: #406040;background-color: #F1F1F1;border: 1px solid #9F9F9F;\">" . htmlspecialchars($matches[4]) . "</pre>";
		$ret = $matches[1] . $index . $matches[5];
		self::$code_block_num++;
		return $ret;
	}

public static function code_tag_callback($matches)
	{
		$index = sprintf(self::$code_block_index, self::$code_block_num);
		self::$code_block[$index] = "<pre style=\"word-wrap:break-word;color: #406040;background-color: #F1F1F1;border: 1px solid #9F9F9F;\">" . htmlspecialchars($matches[3]) . "</pre>";
		$ret = $matches[1] . $index . $matches[4];
		self::$code_block_num++;
		return $ret;
	}

function wp_syntax_plugin_callback($matches)
	{
		$index = sprintf(self::$code_block_index, self::$code_block_num);
		self::$code_block[$index] = "<pre style=\"word-wrap:break-word;color: #406040;background-color: #F1F1F1;border: 1px solid #9F9F9F;\">" . htmlspecialchars($matches[5]) . "</pre>";
		$ret = $matches[1] . $index . $matches[6];
		self::$code_block_num++;
		return $ret;
	}

}

//for codecolorer plugin
if (strpos($content, '[/cc]') !== FALSE)
{
	$content = preg_replace_callback('#(\s*)\[cc([^\s\]_]*(?:_[^\s\]]*)?)([^\]]*)\](.*?)\[/cc\2\](\s*)#si', 'dap_codeblock_callback::codecolorer_plugin_callback', $content);
}

//for code tag
if (strpos($content, '</code>') !== FALSE)
{
	$content = preg_replace_callback(
			'#(\s*)\<code(.*?)\>(.*?)\</code\>(\s*)#si', 'dap_codeblock_callback::code_tag_callback', $content);
}
//for wp-syntax plugin pre tag
if (strpos($content, '</pre>') !== FALSE)
{
	$content = preg_replace_callback(
			"/(\s*)<pre(?:lang=[\"']([\w-]+)[\"']|line=[\"'](\d*)[\"']|escaped=[\"'](true|false)?[\"']|\s)+>(.*)<\/pre>(\s*)/siU", 'dap_codeblock_callback::wp_syntax_plugin_callback', $content
	);
}

//blockquote  #F0F0F0  #F5F5F5; border: 1px solid #DADADA; color:#555555;

if (strpos($content, '</blockquote>') !== FALSE)
{
	$content = preg_replace_callback(
			"/(\s*)<blockquote\s*>(.*)<\/blockquote>(\s*)/siU", create_function('$matches', 'return $matches[1] ."<div style=\"word-wrap:break-word;color:#000000;background-color: #F5F5F5;border: 1px solid #DADADA;\">". $matches[2] ."</div>" . $matches[3];'), $content
	);
}
//format table

if (strpos($content, '</table>') !== FALSE)
{
	$content = preg_replace_callback(
			"/(\s*)<table\s*([^>]*)>/i", create_function('$matches', 'return $matches[1] ."<table cellspacing=\"0\" cellpadding=\"0\" border=\"1\" style=\"border-collapse:collapse;background-color:#F5F5F5;border:1px solid #2C2C2C;margin-bottom: 15px;text-align:center;\">";'), $content
	);
	$content = str_replace(array('</table>', '</TABLE>'), '</table><br /><br />', $content);
}

$postOutput = $content;

//$postOutput = apply_filters('the_content',$content);
// ---------------------------------------------------------

$html_title = '<h1 style="text-align:center;">' . $post->post_title . '</h1>';
//$pdf->writeHTMLCell(0, 0, '', '', $html_title, 0, 0, 0, true, 'C', true);
$html_author = '';
//$pdf->writeHTMLCell(0, 0, '', '', $html_author, 0, 0, 0, false, 'R', true);
$postOutput = str_replace(array('<br/><br/>', '<br/><br/><br/>', '<br/><br/><br/><br/>'), array('<br/>', '<br/>', '<br/>'), $postOutput);
$html_to_write = wpautop($html_title . $html_author . '<br/><br/>' . $postOutput . '<br/><br/>', true);

//$strHtml = $html_title . $html_author . '<br/><br/>' . $postOutput . '<br/><br/>';
//-------------------------------------------------------------
//return the codeblock
$code_blocks_found = dap_codeblock_callback::get_code_block();
//var_dump($code_blocks_found);exit;
$code_blocks_num = count($code_blocks_found);
if ($code_blocks_num > 0)
{
	foreach ($code_blocks_found as $key => $value)
	{
		$html_to_write = str_replace($key, $value, $html_to_write);
	}
}

//OK ,done let's generate the PDF
// Print text using writeHTMLCell()

$pdf->writeHTMLCell($w = 0, $h = 0, $x = '', $y = '', $html_to_write, $border = 0, $ln = 1, $fill = 0, $reseth = true, $align = '', $autopadding = true);

//Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Generic License
$copy_right = $use_cc ? sprintf(__('Product link：<a href="%3$s" target="_blank">%4$s</a><br />', hacklog_dap::plugin_domain), home_url('/'), get_bloginfo('name'), $strPermalink, $strPermalink) : '';

if ('' != $copy_right)
{
	//cc
	// set color for background
	$pdf->SetFillColor(255, 255, 127);
	$pdf->setCellPaddings(5, 5, 0, 0); //L T R B
	$pdf->writeHTMLCell(180, 0 , '', '', $copy_right . "\n", 1, 1 , TRUE , TRUE , 'L', TRUE);
}
// ---------------------------------------------------------
//var_dump(timer_stop(0, 3));exit;
// Close and output PDF document
// This method has several options, check the source code documentation for more information.
$pdf->Output($post->post_name . '.pdf', $download_type);
// End of file