/**
* Change hrefs
*
* @param \DOMDocument $doc
* @param string $type front-matter, part, chapter, back-matter, ...
* @param int $pos (optional) position of content, used when creating filenames like: chapter-001, chapter-002, ...
*
* @return \DOMDocument
*/
protected function kneadHref(\DOMDocument $doc, $type, $pos)
{
$urls = $doc->getElementsByTagName('a');
foreach ($urls as $url) {
$current_url = '' . $url->getAttribute('href');
// Stringify
// Don't touch empty urls
if (!trim($current_url)) {
continue;
}
// WordPress auto wraps images in a href tags.
// For example: <a href="some_image-original.png"><img src="some_image-300x200.png" /></a>
// This causes an EPUB validation error of: hyperlink to non-standard resource ( of type 'image/...' )
// We fix this by removing the href
if ($url->childNodes->length) {
foreach ($url->childNodes as $node) {
if ('img' == $node->nodeName && $this->fuzzyImageNameMatch($current_url, $node->getAttribute('src'))) {
$url->removeAttribute('href');
continue 2;
}
}
}
// Determine if we are trying to link to our own internal content
$internal_url = $this->fuzzyHrefMatch($current_url, $type, $pos);
if (false !== $internal_url) {
$url->setAttribute('href', $internal_url);
continue;
}
// Canonicalize, fix typos, remove garbage
if ('#' != @$current_url[0]) {
$url->setAttribute('href', \PressBooks\Sanitize\canonicalize_url($current_url));
}
}
return $doc;
}
/**
* @covers \PressBooks\Sanitize\canonicalize_url
*/
public function test_canonicalize_url()
{
$url = 'pressbooks.com/';
$this->assertEquals('http://pressbooks.com', \PressBooks\Sanitize\canonicalize_url($url));
$url = 'https://pressbooks.com/';
$this->assertEquals('https://pressbooks.com', \PressBooks\Sanitize\canonicalize_url($url));
$url = 'HTTPS://PRESSBOOKS.COM/FOO/BAR/';
$this->assertEquals('https://pressbooks.com/FOO/BAR', \PressBooks\Sanitize\canonicalize_url($url));
$url = 'ftp://PRESSBOOKS.COM/foo/BAR�/?hello=world&TESTING=��123';
$this->assertEquals('http://pressbooks.com/foo/BAR/?hello=world&TESTING=123', \PressBooks\Sanitize\canonicalize_url($url));
$url = 'MAILTO:^accepts�!mostly,garb@ge.../';
$this->assertEquals('MAILTO:^accepts!mostly,garb@ge...', \PressBooks\Sanitize\canonicalize_url($url));
$url = 'mailto:miranda@yourcompany.com?bcc=eventsteam@yourcompany.com&subject=Excited%20to%20meet%20at%20the%20event!&body=Hi%20Miranda,';
$this->assertEquals($url, \PressBooks\Sanitize\canonicalize_url($url));
}
/**
* Add Book by URL
*/
static function formAddByUrl()
{
check_admin_referer('bulk-books');
// Nonce auto-generated by WP_List_Table
$catalog = new static();
$user_id = $catalog->getUserId();
// Set Redirect URL
if (get_current_user_id() != $user_id) {
$redirect_url = get_bloginfo('url') . '/wp-admin/index.php?page=pb_catalog&user_id=' . $user_id;
} else {
$redirect_url = get_bloginfo('url') . '/wp-admin/index.php?page=pb_catalog';
}
$url = parse_url(\PressBooks\Sanitize\canonicalize_url($_REQUEST['add_book_by_url']));
$main = parse_url(network_site_url());
if (strpos($url['host'], $main['host']) === false) {
$_SESSION['pb_errors'][] = __('Invalid URL.', 'pressbooks');
\PressBooks\Redirect\location($redirect_url);
}
if ($url['host'] == $main['host']) {
// Get slug using the path
$slug = str_replace($main['path'], '', $url['path']);
$slug = trim($slug, '/');
$slug = explode('/', $slug);
$slug = $slug[0];
} else {
// Get slug using host
$slug = str_replace($main['host'], '', $url['host']);
$slug = trim($slug, '.');
$slug = explode('.', $slug);
$slug = $slug[0];
}
$book_id = get_id_from_blogname($slug);
if (!$book_id) {
$_SESSION['pb_errors'][] = __('No book found.', 'pressbooks');
\PressBooks\Redirect\location($redirect_url);
}
// if ( ! get_blog_option( $book_id, 'blog_public' ) ) {
// $_SESSION['pb_errors'][] = __( 'Book is not public', 'pressbooks' );
// \PressBooks\Redirect\location( $redirect_url );
// }
$catalog->saveBook($book_id, array());
$catalog->deleteCache();
// Ok!
$_SESSION['pb_notices'][] = __('Settings saved.');
// Redirect back to form
\PressBooks\Redirect\location($redirect_url);
}
/**
* Ecommerce settings, input sanitization
*
* @param array $input
* @return array
*/
function ecomm_links_sanitize($input)
{
$options = get_option('pressbooks_ecommerce_links');
foreach ($input as $key => $value) {
$value = trim(strip_tags(stripslashes($value)));
if ($value) {
$options[$key] = \PressBooks\Sanitize\canonicalize_url($value);
} else {
$options[$key] = null;
}
}
return $options;
}
