<?php

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namespace Code_Snippets;

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/**

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* Handles exporting snippets from the site to a downloadable file over HTTP.

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*

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* @package Code_Snippets

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*/

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class Export_Attachment extends Export {

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/**

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* Set up the current page to act like a downloadable file instead of being shown in the browser

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*

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* @param string $language File format. Used for file extension.

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* @param string $mime_type File MIME type. Used for Content-Type header.

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*/

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private function do_headers( string $language, string $mime_type = 'text/plain' ) {

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header( 'Content-Disposition: attachment; filename=' . sanitize_file_name( $this->build_filename( $language ) ) );

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header( sprintf( 'Content-Type: %s; charset=%s', sanitize_mime_type( $mime_type ), get_bloginfo( 'charset' ) ) );

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}

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/**

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* Export snippets in JSON format as a downloadable file.

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*/

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public function download_snippets_json() {

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$this->do_headers( 'json', 'application/json' );

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// phpcs:disable WordPress.Security.EscapeOutput.OutputNotEscaped

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echo wp_json_encode(

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$this->create_export_object(),

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apply_filters( 'code_snippets/export/json_encode_options', 0 )

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);

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exit;

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}

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/**

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* Export snippets in their code file format.

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*/

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public function download_snippets_code() {

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$lang = $this->snippets_list[0]->lang;

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$mime_types = [

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'php' => 'text/php',

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'css' => 'text/css',

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'js' => 'text/javascript',

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'json' => 'application/json',

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];

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$this->do_headers( $lang, $mime_types[ $lang ] ?? 'text/plain' );

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// phpcs:disable WordPress.Security.EscapeOutput.OutputNotEscaped

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echo $this->export_snippets_code( $this->snippets_list[0]->type );

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exit;

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}

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}

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