105 lines
2.4 KiB
PHP
105 lines
2.4 KiB
PHP
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<?php
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namespace W3TC;
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/**
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* class CdnEngine
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*/
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class CdnEngine {
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/**
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* Returns CdnEngine_Base instance
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*
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* @param string $engine
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* @param array $config
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* @return CdnEngine_Base
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*/
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static function instance( $engine, $config = array() ) {
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static $instances = array();
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$instance_key = sprintf( '%s_%s', $engine, md5( serialize( $config ) ) );
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if ( !isset( $instances[$instance_key] ) ) {
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switch ( $engine ) {
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case 'akamai':
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$instances[$instance_key] = new CdnEngine_Mirror_Akamai( $config );
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break;
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case 'att':
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$instances[$instance_key] = new CdnEngine_Mirror_Att( $config );
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break;
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case 'azure':
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$instances[$instance_key] = new CdnEngine_Azure( $config );
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break;
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case 'cf':
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$instances[$instance_key] = new CdnEngine_CloudFront( $config );
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break;
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case 'cf2':
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$instances[$instance_key] = new CdnEngine_Mirror_CloudFront( $config );
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break;
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case 'cotendo':
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$instances[$instance_key] = new CdnEngine_Mirror_Cotendo( $config );
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break;
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case 'edgecast':
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$instances[$instance_key] = new CdnEngine_Mirror_Edgecast( $config );
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break;
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case 'ftp':
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$instances[$instance_key] = new CdnEngine_Ftp( $config );
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break;
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case 'google_drive':
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$instances[$instance_key] = new CdnEngine_GoogleDrive( $config );
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break;
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case 'highwinds':
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$instances[$instance_key] = new CdnEngine_Mirror_Highwinds( $config );
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break;
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case 'limelight':
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$instances[$instance_key] = new CdnEngine_Mirror_LimeLight( $config );
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break;
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case 'mirror':
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$instances[$instance_key] = new CdnEngine_Mirror( $config );
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break;
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case 'rackspace_cdn':
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$instances[$instance_key] = new CdnEngine_Mirror_RackSpaceCdn( $config );
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break;
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case 'rscf':
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$instances[$instance_key] =
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new CdnEngine_RackSpaceCloudFiles( $config );
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break;
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case 's3':
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$instances[$instance_key] = new CdnEngine_S3( $config );
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break;
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case 's3_compatible':
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$instances[$instance_key] = new CdnEngine_S3_Compatible( $config );
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break;
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case 'stackpath':
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$instances[$instance_key] = new CdnEngine_Mirror_StackPath( $config );
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break;
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case 'stackpath2':
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$instances[$instance_key] = new CdnEngine_Mirror_StackPath2( $config );
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break;
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default :
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trigger_error( 'Incorrect CDN engine', E_USER_WARNING );
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$instances[$instance_key] = new CdnEngine_Base();
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break;
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}
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}
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return $instances[$instance_key];
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}
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}
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