public function sanitize($amp_attributes = array())
{
$nodes = $this->dom->getElementsByTagName(self::$tag);
$num_nodes = $nodes->length;
if (0 === $num_nodes) {
return;
}
for ($i = $num_nodes - 1; $i >= 0; $i--) {
$node = $nodes->item($i);
$old_attributes = AMP_DOM_Utils::get_node_attributes_as_assoc_array($node);
if (!array_key_exists('src', $old_attributes)) {
$node->parentNode->removeChild($node);
continue;
}
$new_attributes = $this->filter_attributes($old_attributes);
if (!isset($new_attributes['width']) || !isset($new_attributes['height'])) {
$dimensions = AMP_Image_Dimension_Extractor::extract($new_attributes['src']);
if ($dimensions) {
$new_attributes['width'] = $dimensions[0];
$new_attributes['height'] = $dimensions[1];
}
}
$new_attributes = $this->enforce_sizes_attribute($new_attributes);
$new_attributes = array_merge($new_attributes, $amp_attributes);
if ($this->is_gif_url($new_attributes['src'])) {
$this->did_convert_elements = true;
$new_tag = 'amp-anim';
} else {
$new_tag = 'amp-img';
}
$new_node = AMP_DOM_Utils::create_node($this->dom, $new_tag, $new_attributes);
$node->parentNode->replaceChild($new_node, $node);
}
}
public function sanitize()
{
$nodes = $this->dom->getElementsByTagName(self::$tag);
$num_nodes = $nodes->length;
if (0 === $num_nodes) {
return;
}
for ($i = $num_nodes - 1; $i >= 0; $i--) {
$node = $nodes->item($i);
$old_attributes = AMP_DOM_Utils::get_node_attributes_as_assoc_array($node);
$new_attributes = $this->filter_attributes($old_attributes);
if (!isset($new_attributes['width'], $new_attributes['height'])) {
$new_attributes['height'] = self::FALLBACK_HEIGHT;
$new_attributes['layout'] = 'fixed-height';
}
$new_attributes = $this->enforce_sizes_attribute($new_attributes);
$new_node = AMP_DOM_Utils::create_node($this->dom, 'amp-video', $new_attributes);
// TODO: limit child nodes too (only allowed: `source`; move rest to div+fallback)
// TODO: `source` does not have closing tag, and DOMDocument doesn't handle it well.
foreach ($node->childNodes as $child_node) {
$new_child_node = $child_node->cloneNode(true);
$new_node->appendChild($new_child_node);
}
$node->parentNode->replaceChild($new_node, $node);
}
}
public function sanitize()
{
$nodes = $this->dom->getElementsByTagName(self::$tag);
$num_nodes = $nodes->length;
if (0 === $num_nodes) {
return;
}
for ($i = $num_nodes - 1; $i >= 0; $i--) {
$node = $nodes->item($i);
$old_attributes = AMP_DOM_Utils::get_node_attributes_as_assoc_array($node);
$new_attributes = $this->filter_attributes($old_attributes);
$new_node = AMP_DOM_Utils::create_node($this->dom, 'amp-audio', $new_attributes);
// TODO: `source` does not have closing tag, and DOMDocument doesn't handle it well.
foreach ($node->childNodes as $child_node) {
$new_child_node = $child_node->cloneNode(true);
$old_child_attributes = AMP_DOM_Utils::get_node_attributes_as_assoc_array($new_child_node);
$new_child_attributes = $this->filter_attributes($old_child_attributes);
// Only append source tags with a valid src attribute
if (!empty($new_child_attributes['src']) && 'source' === $new_child_node->tagName) {
$new_node->appendChild($new_child_node);
}
}
// If the node has at least one valid source, replace the old node with it.
// Otherwise, just remove the node.
//
// TODO: Add a fallback handler.
// See: https://github.com/ampproject/amphtml/issues/2261
if (0 === $new_node->childNodes->length && empty($new_attributes['src'])) {
$node->parentNode->removeChild($node);
} else {
$node->parentNode->replaceChild($new_node, $node);
}
$this->did_convert_elements = true;
}
}
/**
* Make final modifications to DOMNode
*
* @param DOMNode $node The DOMNode to adjust and replace
*/
private function adjust_and_replace_node($node)
{
$old_attributes = AMP_DOM_Utils::get_node_attributes_as_assoc_array($node);
$new_attributes = $this->filter_attributes($old_attributes);
$new_attributes = $this->enforce_sizes_attribute($new_attributes);
if ($this->is_gif_url($new_attributes['src'])) {
$this->did_convert_elements = true;
$new_tag = 'amp-anim';
} else {
$new_tag = 'amp-img';
}
$new_node = AMP_DOM_Utils::create_node($this->dom, $new_tag, $new_attributes);
$node->parentNode->replaceChild($new_node, $node);
}
public function sanitize()
{
$nodes = $this->dom->getElementsByTagName(self::$tag);
$num_nodes = $nodes->length;
if (0 === $num_nodes) {
return;
}
for ($i = $num_nodes - 1; $i >= 0; $i--) {
$node = $nodes->item($i);
$old_attributes = AMP_DOM_Utils::get_node_attributes_as_assoc_array($node);
// Added data-src for lazy-loaded imgs.
if (!array_key_exists('src', $old_attributes) && !array_key_exists('data-src', $old_attributes)) {
$node->parentNode->removeChild($node);
continue;
}
$new_attributes = $this->filter_attributes($old_attributes);
// Try to extract dimensions for the image, if not set.
if (!isset($new_attributes['width']) || !isset($new_attributes['height'])) {
$dimensions = AMP_Image_Dimension_Extractor::extract($new_attributes['src']);
if (is_array($dimensions)) {
$new_attributes['width'] = $dimensions[0];
$new_attributes['height'] = $dimensions[1];
}
}
// Final fallback when we have no dimensions.
if (!isset($new_attributes['width']) || !isset($new_attributes['height'])) {
$new_attributes['width'] = isset($this->args['content_max_width']) ? $this->args['content_max_width'] : self::FALLBACK_WIDTH;
$new_attributes['height'] = self::FALLBACK_HEIGHT;
$this->add_or_append_attribute($new_attributes, 'class', 'amp-wp-unknown-size');
}
$new_attributes = $this->enforce_sizes_attribute($new_attributes);
if ($this->is_gif_url($new_attributes['src'])) {
$this->did_convert_elements = true;
$new_tag = 'amp-anim';
} else {
$new_tag = 'amp-img';
}
$new_node = AMP_DOM_Utils::create_node($this->dom, $new_tag, $new_attributes);
$node->parentNode->replaceChild($new_node, $node);
}
}
public function sanitize()
{
$nodes = $this->dom->getElementsByTagName(self::$tag);
$num_nodes = $nodes->length;
if (0 === $num_nodes) {
return;
}
for ($i = $num_nodes - 1; $i >= 0; $i--) {
$node = $nodes->item($i);
$old_attributes = AMP_DOM_Utils::get_node_attributes_as_assoc_array($node);
$new_attributes = $this->filter_attributes($old_attributes);
$new_node = AMP_DOM_Utils::create_node($this->dom, 'amp-audio', $new_attributes);
// TODO: limit child nodes too (only allowed: `source`; move rest to div+fallback)
// TODO: `source` does not have closing tag, and DOMDocument doesn't handle it well.
foreach ($node->childNodes as $child_node) {
$new_child_node = $child_node->cloneNode(true);
$new_node->appendChild($new_child_node);
}
$node->parentNode->replaceChild($new_node, $node);
$this->did_convert_elements = true;
}
}
public function sanitize($amp_attributes = array())
{
$nodes = $this->dom->getElementsByTagName(self::$tag);
$num_nodes = $nodes->length;
if (0 === $num_nodes) {
return;
}
for ($i = $num_nodes - 1; $i >= 0; $i--) {
$node = $nodes->item($i);
$old_attributes = AMP_DOM_Utils::get_node_attributes_as_assoc_array($node);
if (!array_key_exists('src', $old_attributes)) {
$node->parentNode->removeChild($node);
continue;
}
$this->did_convert_elements = true;
$new_attributes = $this->filter_attributes($old_attributes);
$new_attributes = $this->enforce_sizes_attribute($new_attributes);
$new_attributes = array_merge($new_attributes, $amp_attributes);
$new_node = AMP_DOM_Utils::create_node($this->dom, 'amp-iframe', $new_attributes);
$node->parentNode->replaceChild($new_node, $node);
}
}
private function build_placeholder($parent_attributes)
{
$placeholder_node = AMP_DOM_Utils::create_node($this->dom, 'div', array('layout' => 'fill', 'placeholder' => '', 'class' => 'amp-wp-iframe-placeholder'));
return $placeholder_node;
}
