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<?php
namespace Bitrix\Landing\Hook\Page;
use Bitrix\Landing\Field;
use Bitrix\Landing\Manager;
use Bitrix\Main\Loader;
use Bitrix\Main\Localization\Loc;
use Bitrix\UI;
class Fonts extends \Bitrix\Landing\Hook\Page
{
/**
* Default font for backward compatibility.
*/
public const DEFAULT_FONTS = [
'g-font-open-sans' => [
'name' => 'Open Sans',
'family' => '"Open Sans", Helvetica, Arial, sans-serif',
'url' => 'https://fonts.googleapis.com/css2?family=Open+Sans:wght@100;200;300;400;500;600;700;800;900&subset=cyrillic',
],
'g-font-roboto' => [
'name' => 'Roboto',
'family' => '"Roboto", Arial, sans-serif',
'url' => 'https://fonts.googleapis.com/css2?family=Roboto:wght@100;200;300;400;500;600;700;800;900&subset=cyrillic,cyrillic-ext,latin-ext',
],
'g-font-roboto-slab' => [
'name' => 'Roboto Slab',
'family' => '"Roboto Slab", Helvetica, Arial, sans-serif',
'url' => 'https://fonts.googleapis.com/css2?family=Roboto+Slab:wght@100;200;300;400;500;600;700;800;900&subset=cyrillic,cyrillic-ext,latin-ext',
],
'g-font-montserrat' => [
'name' => 'Montserrat',
'family' => '"Montserrat", Helvetica, Arial, sans-serif',
'url' => 'https://fonts.googleapis.com/css2?family=Montserrat:wght@100;200;300;400;500;600;700;800;900&subset=cyrillic',
],
'g-font-alegreya-sans' => [
'name' => 'Alegreya Sans',
'family' => '"Alegreya Sans", sans-serif',
'url' => 'https://fonts.googleapis.com/css2?family=Alegreya+Sans:wght@100;200;300;400;500;600;700;800;900&subset=cyrillic-ext,latin-ext',
],
'g-font-cormorant-infant' => [
'name' => 'Cormorant Infant',
'family' => '"Cormorant Infant", serif',
'url' => 'https://fonts.googleapis.com/css2?family=Cormorant+Infant:wght@100;200;300;400;500;600;700;800;900&subset=cyrillic-ext,latin-ext',
],
'g-font-pt-sans-caption' => [
'name' => 'PT Sans Caption',
'family' => '"PT Sans Caption", sans-serif',
'url' => 'https://fonts.googleapis.com/css2?family=PT+Sans+Caption:wght@100;200;300;400;500;600;700;800;900&subset=cyrillic-ext,latin-ext',
],
'g-font-pt-sans-narrow' => [
'name' => 'PT Sans Narrow',
'family' => '"PT Sans Narrow", sans-serif',
'url' => 'https://fonts.googleapis.com/css2?family=PT+Sans+Narrow:wght@100;200;300;400;500;600;700;800;900&PT+Sans:wght@100;200;300;400;500;600;700;800;900&subset=cyrillic-ext,latin-ext',
],
'g-font-pt-sans' => [
'name' => 'PT Sans',
'family' => '"PT Sans", sans-serif',
'url' => 'https://fonts.googleapis.com/css2?family=PT+Sans:wght@100;200;300;400;500;600;700;800;900&subset=cyrillic-ext,latin-ext',
],
'g-font-lobster' => [
'name' => 'Lobster',
'family' => '"Lobster", cursive',
'url' => 'https://fonts.googleapis.com/css2?family=Lobster:wght@100;200;300;400;500;600;700;800;900&subset=cyrillic-ext,latin-ext',
],
];
/**
* Set fonts on the page.
* @var array
*/
protected static $setFonts = [];
/**
* Map of the field.
* @return array
*/
protected function getMap()
{
return [
'CODE' => new Field\Textarea(
'CODE', [
'title' => Loc::getMessage('LNDNGHOOK_FONTS_FONT_BASE'),
]),
];
}
/**
* Enable or not the hook.
* @return boolean
*/
public function enabled()
{
return true;
}
/**
* Sets font code as using on the page.
* @param string $fontCode Font code.
* @return void
*/
public static function setFontCode(string $fontCode): void
{
if (!array_key_exists($fontCode, self::$setFonts))
{
self::$setFonts[$fontCode] = [];
}
}
/**
* Exec hook.
* @return void
*/
public function exec()
{
if (!self::$setFonts)
{
return;
}
// @fix for #101643
$this->fields['CODE'] = str_replace(
['st yle', 'onl oad', 'li nk'],
['style', 'onload', 'link'],
$this->fields['CODE']
);
$styleFound = preg_match_all(
'#(<noscript>.*?<style.*?data-id="([^"]+)"[^>]*>[^<]+</style>)#is',
$this->fields['CODE'],
$matches
);
$fonts = [];
if ($styleFound)
{
$fonts = array_combine($matches[2], $matches[1]);
}
$this->outputFonts($fonts);
}
/**
* Sets fonts data to the page.
* @param array $fonts Fonts data ([fontCode => fontStyle]).
* @return void
*/
protected function outputFonts(array $fonts): void
{
$setFonts = [];
foreach (self::$setFonts as $fontCode => $foo)
{
if (isset($fonts[$fontCode]))
{
unset(self::$setFonts[$fontCode]);
$setFonts[] = self::proxyFontUrl($fonts[$fontCode]);
}
}
// set default fonts
foreach (self::$setFonts as $fontCode => $foo)
{
$setFonts[] = self::outputDefaultFont($fontCode);
}
if ($setFonts)
{
Manager::setPageView(
'BeforeHeadClose',
implode('', $setFonts)
);
}
}
/**
* Outputs default font.
* @param string $code Font code.
* @return string
*/
public static function outputDefaultFont(string $code): string
{
if (isset(self::DEFAULT_FONTS[$code]))
{
$fontUrl = self::DEFAULT_FONTS[$code]['url'];
$fontUrl = self::proxyFontUrl($fontUrl);
return '<link
rel="preload"
as="style"
onload="this.removeAttribute(\'onload\');this.rel=\'stylesheet\'"
data-font="' . $code . '"
data-protected="true"
href="' . $fontUrl . '">
<noscript>
<link
rel="stylesheet"
data-font="' . $code . '"
data-protected="true"
href="' . $fontUrl . '">
</noscript>';
}
return '';
}
/**
* Proxy font url to bitrix servers
* @param string $fontString - string of font with link, noscript or other tags
* @return string
*/
protected static function proxyFontUrl(string $fontString): string
{
$defaultDomain = 'fonts.googleapis.com';
$proxyDomain = $defaultDomain;
if (Loader::includeModule('ui'))
{
$proxyDomain = UI\Fonts\Proxy::resolveDomain(Manager::getZone());
}
return ($defaultDomain !== $proxyDomain)
? str_replace($defaultDomain, $proxyDomain, $fontString)
: $fontString
;
}
}