ExportProfileData_Background::exportXmlXslt()

Complexity

Conditions	11
Paths	60

Size

Total Lines	63
Code Lines	34

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	0

<?php
	protected function exportXmlXslt($member_info)
	{
		global $modSettings, $context, $smcFunc, $sourcedir;

		$context['export_last_page'] = $this->_details['last_page'];
		$context['export_dlfilename'] = $this->_details['dlfilename'];

		// Embedded XSLT requires adding a special DTD and processing instruction in the main XML document.
		add_integration_function('integrate_xml_data', 'ExportProfileData_Background::add_dtd', false);

		// Perform the export to XML.
		$this->exportXml($member_info);

		// Make sure we have everything we need.
		if (empty(self::$xslt_info['stylesheet']))
		{
			require_once($sourcedir . DIRECTORY_SEPARATOR . 'Profile-Export.php');
			self::$xslt_info = get_xslt_stylesheet($this->_details['format'], $this->_details['uid']);
		}
		if (empty($context['feed']['footer']))
		{
			require_once($sourcedir . DIRECTORY_SEPARATOR . 'News.php');
			buildXmlFeed('smf', array(), array_fill_keys(array('title', 'desc', 'source', 'self'), ''), 'profile');
		}

		// Find any completed files that don't yet have the stylesheet embedded in them.
		$export_dir_slash = $modSettings['export_dir'] . DIRECTORY_SEPARATOR;
		$idhash = hash_hmac('sha1', $this->_details['uid'], get_auth_secret());
		$idhash_ext = $idhash . '.' . $this->_details['format_settings']['extension'];

		$test_length = strlen(self::$xslt_info['stylesheet']) + strlen($context['feed']['footer']);

		$new_exportfiles = array();
		foreach (glob($export_dir_slash . '*_' . $idhash_ext) as $completed_file)
		{
			if (filesize($completed_file) < $test_length || file_get_contents($completed_file, false, null, $test_length * -1) !== self::$xslt_info['stylesheet'] . $context['feed']['footer'])
				$new_exportfiles[] = $completed_file;
		}
		if (empty($new_exportfiles))
			return;

		// Embedding the XSLT means writing to the file yet again.
		foreach ($new_exportfiles as $exportfile)
		{
			$handle = fopen($exportfile, 'r+');
			if (is_resource($handle))
			{
				fseek($handle, strlen($context['feed']['footer']) * -1, SEEK_END);

				$bytes_written = fwrite($handle, self::$xslt_info['stylesheet'] . $context['feed']['footer']);

				// If we couldn't write everything, revert the changes.
				if ($bytes_written > 0 && $bytes_written < strlen(self::$xslt_info['stylesheet'] . $context['feed']['footer']))
				{
					fseek($handle, $bytes_written * -1, SEEK_END);
					$pointer_pos = ftell($handle);
					ftruncate($handle, $pointer_pos);
					rewind($handle);
					fseek($handle, 0, SEEK_END);
					fwrite($handle, $context['feed']['footer']);
				}

				fclose($handle);
			}
?>