75 lines
1.5 KiB
PHP
75 lines
1.5 KiB
PHP
<?php
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namespace W3TC;
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/**
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* CDN rules generation for Nginx
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*/
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class Cdn_Environment_Nginx {
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private $c;
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public function __construct( $config ) {
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$this->c = $config;
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}
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public function generate( $cdnftp ) {
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$rules = '';
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$rule = $this->generate_canonical( $cdnftp );
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if ( !empty( $rule ) ) {
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$rules = $rule . "\n";
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}
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if ( $this->c->get_boolean( 'cdn.cors_header') ) {
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$rules_a = Dispatcher::nginx_rules_for_browsercache_section(
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$this->c, 'other', true );
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$rules_a[] = 'add_header Access-Control-Allow-Origin "*";';
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$rules .=
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"location ~ \\.(ttf|ttc|otf|eot|woff|woff2|font.css)\$ {\n" .
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' ' . implode( "\n ", $rules_a ) . "\n" .
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"}\n";
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}
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if ( strlen( $rules ) > 0 ) {
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$rules =
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W3TC_MARKER_BEGIN_CDN . "\n" .
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$rules .
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W3TC_MARKER_END_CDN . "\n";
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}
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return $rules;
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}
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public function generate_canonical( $cdnftp = false ) {
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if ( !$this->c->get_boolean( 'cdn.canonical_header' ) ) {
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return null;
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}
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$home = ( $cdnftp ? Util_Environment::home_url_host() : '$host' );
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return 'add_header Link "<$scheme://' . $home .
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'$request_uri>; rel=\"canonical\"";';
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}
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public function w3tc_browsercache_rules_section_extensions(
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$extensions, $section ) {
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// CDN adds own rules for those extensions
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if ( $this->c->get_boolean( 'cdn.cors_header') ) {
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unset( $extensions['ttf|ttc'] );
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unset( $extensions['otf'] );
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unset( $extensions['eot'] );
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unset( $extensions['woff'] );
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unset( $extensions['woff2'] );
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}
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return $extensions;
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}
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}
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