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https://git.sindominio.net/estibadores/wordpress.git
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153 lines
2.9 KiB
PHP
153 lines
2.9 KiB
PHP
<?php
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use \Inpsyde\BackWPupShared\File\MimeTypeExtractor;
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/**
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* Class BackWPup_Download_File
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*/
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final class BackWPup_Download_File implements BackWPup_Download_File_Interface {
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/**
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* The file path
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*
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* @var string The path of the file to download
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*/
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private $filepath;
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/**
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* File Name
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*
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* @var string The file name
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*/
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private $filename;
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/**
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* @var string
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*
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* @string The encoding type
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*/
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private static $encoding = 'binary';
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/**
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* File content length
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*
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* @var int The length of the file
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*/
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private $length;
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/**
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* Callback
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*
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* @var callable The callback to call that will perform the download action
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*/
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private $callback;
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/**
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* Capability
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*
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* @var @string The capability needed to download the file
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*/
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private $capability;
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/**
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* BackWPup_Download_File constructor
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*
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* @todo move the file stuffs into a specific class to manage only files. Blocked by class-file.php
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*
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* @throws \InvalidArgumentException In case the callback is not a valid callback.
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*
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* @param string $filepath The path of the file to download.
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* @param callable $callback The callback to call that will perform the download action.
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* @param string $capability The capability needed to download the file.
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*/
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public function __construct( $filepath, $callback, $capability ) {
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if ( ! is_callable( $callback ) ) {
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throw new \InvalidArgumentException(
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sprintf( 'Invalid callback passed to %s. Callback parameter must be callable.', __CLASS__ )
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);
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}
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$this->filepath = $filepath;
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$this->filename = basename( $filepath );
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$this->callback = $callback;
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$this->length = file_exists( $filepath ) ? filesize( $filepath ) : 0;
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$this->capability = $capability;
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}
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/**
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* @inheritdoc
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*/
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public function download() {
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if ( ! current_user_can( $this->capability ) ) {
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wp_die( 'Cheating Uh?' );
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}
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$this->perform_download_callback();
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}
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/**
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* @inheritdoc
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*/
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public function clean_ob() {
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$level = ob_get_level();
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if ( $level ) {
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for ( $i = 0; $i < $level; $i ++ ) {
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ob_end_clean();
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}
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}
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return $this;
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}
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/**
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* @inheritdoc
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*/
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public function filepath() {
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return $this->filepath;
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}
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/**
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* @inheritdoc
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*/
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public function headers() {
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$mime = MimeTypeExtractor::fromFilePath( $this->filepath );
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$level = ob_get_level();
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if ( $level ) {
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for ( $i = 0; $i < $level; $i ++ ) {
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ob_end_clean();
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}
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}
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// phpcs:ignore
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@set_time_limit( 300 );
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nocache_headers();
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// Set headers.
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header( 'Content-Description: File Transfer' );
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header( "Content-Type: {$mime}" );
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header( "Content-Disposition: attachment; filename={$this->filename}" );
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header( 'Content-Transfer-Encoding: ' . self::$encoding );
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header( "Content-Length: {$this->length}" );
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return $this;
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}
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/**
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* Perform the Download
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*
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* Note: The callback must call `die` it self.
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*
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* @return void
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*/
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private function perform_download_callback() {
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call_user_func( $this->callback, $this );
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}
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}
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