/**
* Answer a element that represents the content for this Block
*
* @return object DOMElement
* @access protected
* @since 2/12/08
*/
protected function getContentElement(DOMElement $mediaElement)
{
// Content/Description
$descElement = $this->sourceXPath->query('./description', $this->sourceElement)->item(0);
$descHtml = $this->getStringValue($descElement);
$descHtml = $this->rewriteLocalLinks($descHtml);
// Content
$filename = $this->getStringValue($this->getSingleSourceElement('./filename', $this->sourceElement));
$currentContent = $this->doc->createElement('currentContent');
try {
$fileUrlString = $this->attachFile($filename, $mediaElement);
$fileUrlString = str_replace('asset_id', 'assetId', $fileUrlString);
$fileUrlString = str_replace('record_id', 'recordId', $fileUrlString);
// $fileUrlString = str_replace('&', '&', $fileUrlString);
$doc = new Harmoni_DOMDocument();
$root = $doc->appendChild($doc->createElement('AudioPlayerPlugin'));
$fileNode = $root->appendChild($doc->createElement('File'));
$fileNode->setAttribute('show_download_link', 'true');
$idNode = $fileNode->appendChild($doc->createElement('Id', $fileUrlString));
$content = $currentContent->appendChild($this->createCDATAElement('content', $doc->saveXMLWithWhitespace()));
} catch (MissingNodeException $e) {
$content = $currentContent->appendChild($this->createCDATAElement('content', ''));
} catch (Segue1To2_MissingFileException $e) {
$content = $currentContent->appendChild($this->createCDATAElement('content', ''));
}
$rawDesc = $currentContent->appendChild($this->createCDATAElement('rawDescription', $this->cleanHtml($descHtml)));
return $currentContent;
}
/**
* Answer a element that represents the content for this Block
*
* @return object DOMElement
* @access protected
* @since 2/12/08
*/
protected function getContentElement(DOMElement $mediaElement)
{
// Content/Description
$descElement = $this->sourceXPath->query('./description', $this->sourceElement)->item(0);
if ($descElement) {
$descHtml = $this->cleanHtml($this->getStringValue($descElement));
} else {
$descHtml = '';
}
$descHtml = $this->rewriteLocalLinks($descHtml);
$title = $this->getDisplayName();
$url = $this->rewriteLocalLinks($this->getStringValue($this->getSingleSourceElement('./url', $this->sourceElement)));
// Content
$dataDoc = new Harmoni_DOMDocument();
$root = $dataDoc->appendChild($dataDoc->createElement('RssFeedPlugin'));
$feed = $root->appendChild($dataDoc->createElement('RssFeed'));
$urlElement = $feed->appendChild($dataDoc->createElement('Url', str_replace('&', '&', $url)));
$sourceUrlElement = $this->getSingleSourceElement('./url', $this->sourceElement);
$this->setAttributes($sourceUrlElement, $feed);
$currentContent = $this->doc->createElement('currentContent');
$currentContent->appendChild($this->createCDATAElement('content', $dataDoc->saveXMLWithWhitespace()));
$currentContent->appendChild($this->doc->createElement('rawDescription', ''));
return $currentContent;
}
/**
* Load feed data, convert and clean it, and return its string value.
*
* @param string $url
* @return string RSS xml
* @access protected
* @since 7/8/08
*/
protected function loadFeedXml($url)
{
$feedData = @file_get_contents($url);
if (!strlen($feedData)) {
throw new OperationFailedException("Could not access feed, '" . $url . "'.");
}
$feed = new DOMDocument();
// If the encoding is not UTF-8, convert the document
if (preg_match('/^<\\?xml .*encoding=[\'"]([a-zA-Z0-9-]+)[\'"].*\\?>/m', $feedData, $matches)) {
$encoding = $matches[1];
if (strtoupper($encoding) != 'UTF8' && strtoupper($encoding) != 'UTF-8') {
$feedData = mb_convert_encoding($feedData, 'UTF-8', strtoupper($encoding));
$feedData = preg_replace('/^(<\\?xml .*encoding=[\'"])([a-zA-Z0-9-]+)([\'"].*\\?>)/m', '\\1UTF-8\\3', $feedData);
}
}
// Convert any non-UTF-8 characters
$string = String::withValue($feedData);
$string->makeUtf8();
$feedData = $string->asString();
if (!@$feed->loadXML($feedData)) {
throw new OperationFailedException("Invalid feed data: \"" . $feedData . "\" for URL: " . $url);
}
// Handle any format conversions
$feed = $this->convertToRss($feed);
// Validate Feed.
// $tmpFeed = $feed;
// $feed = new Harmoni_DOMDocument;
// $feed->loadXML($tmpFeed->saveXML());
// unset($tmpFeed);
// $feed->schemaValidateWithException(dirname(__FILE__).'/rss-2_0-lax.xsd');
// Run through the titles, authors, and descriptions and clean out any unsafe HTML
foreach ($feed->getElementsByTagName('title') as $element) {
$element->nodeValue = strip_tags(htmlspecialchars_decode($element->nodeValue));
}
foreach ($feed->getElementsByTagName('author') as $element) {
$element->nodeValue = strip_tags(htmlspecialchars_decode($element->nodeValue));
}
foreach ($feed->getElementsByTagName('comments') as $element) {
$element->nodeValue = htmlentities(strip_tags(html_entity_decode($element->nodeValue)));
}
foreach ($feed->getElementsByTagName('link') as $element) {
$element->nodeValue = htmlentities(strip_tags(html_entity_decode($element->nodeValue)));
}
foreach ($feed->getElementsByTagName('description') as $description) {
$html = HtmlString::fromString(htmlspecialchars_decode($description->nodeValue));
$html->cleanXSS();
$description->nodeValue = htmlspecialchars($html->asString());
}
// Move the feed into a dom document.
$tmpFeed = $feed;
$feed = new Harmoni_DOMDocument();
$feed->loadXML($tmpFeed->saveXML());
unset($tmpFeed);
// Validate the feed again
// $feed->schemaValidateWithException(dirname(__FILE__).'/rss-2_0-lax.xsd');
// Just ensure a few basic things:
if (!$feed->documentElement->nodeName == 'rss') {
throw new DOMDocumentException("Feed root must be an rss element");
}
// Check for channels
foreach ($feed->documentElement->childNodes as $element) {
if ($element->nodeType == 1 && $element->nodeName != 'channel') {
throw new DOMDocumentException("'" . $node->nodeName . "' is not expected, expecting 'channel'.");
}
}
// Check dates
foreach ($feed->getElementsByTagName('pubdate') as $element) {
if (!preg_match('/(((Mon)|(Tue)|(Wed)|(Thu)|(Fri)|(Sat)|(Sun)), *)?\\d\\d? +((Jan)|(Feb)|(Mar)|(Apr)|(May)|(Jun)|(Jul)|(Aug)|(Sep)|(Oct)|(Nov)|(Dec)) +\\d\\d(\\d\\d)? +\\d\\d:\\d\\d(:\\d\\d)? +(([+\\-]?\\d\\d\\d\\d)|(UT)|(GMT)|(EST)|(EDT)|(CST)|(CDT)|(MST)|(MDT)|(PST)|(PDT)|\\w)/', $element->nodeValue)) {
throw new DOMDocumentException("'" . $element->nodeValue . "' is not a valid date.");
}
}
return $feed->saveXMLWithWhitespace();
}
/**
* Write an option
*
* @param string $key
* @param string $val
* @return void
* @access protected
* @since 2/4/09
*/
protected function writeOption($key, $val)
{
// The options will look like:
/*
<options>
<targetNodeId>12345</targetNodeId>
<defaultSortMethod>alpha</defaultSortMethod>
<defaultDisplayType>cloud</defaultDisplayType>
</options>
*/
if (!in_array($key, $this->_allowedOptions)) {
throw new InvalidArgumentException("Unknown option, {$key}");
}
$doc = new Harmoni_DOMDocument();
$doc->preserveWhiteSpace = false;
try {
$doc->loadXML($this->getContent());
} catch (DOMException $e) {
$doc->appendChild($doc->createElement('options'));
}
if (!$doc->documentElement->nodeName == 'options') {
throw new OperationFailedException('Expection root-node "options", found "' . $doc->documentElement->nodeName . '".');
}
// Fetch the existing element or create a new one for this key
$xpath = new DOMXPath($doc);
$elements = $xpath->query('/options/' . $key);
if ($elements->length) {
$element = $elements->item(0);
} else {
$element = $doc->documentElement->appendChild($doc->createElement($key));
}
// Set the value and save
$element->nodeValue = $val;
$this->setContent($doc->saveXMLWithWhitespace());
}
