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103 lines
2.6 KiB
PHP
103 lines
2.6 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace OCA\DAV\CardDAV;
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use Sabre\DAV;
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use Sabre\DAV\Server;
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use Sabre\HTTP\RequestInterface;
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use Sabre\HTTP\ResponseInterface;
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class MultiGetExportPlugin extends DAV\ServerPlugin {
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/** @var Server */
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protected $server;
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/**
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* Initializes the plugin and registers event handlers
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*
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* @param Server $server
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* @return void
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*/
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public function initialize(Server $server) {
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$this->server = $server;
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$this->server->on('afterMethod:REPORT', [$this, 'httpReport'], 90);
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}
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/**
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* Intercepts REPORT requests
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*
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* @param RequestInterface $request
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* @param ResponseInterface $response
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* @return bool
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*/
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public function httpReport(RequestInterface $request, ResponseInterface $response) {
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$queryParams = $request->getQueryParameters();
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if (!array_key_exists('export', $queryParams)) {
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return;
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}
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// Only handling xml
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$contentType = (string) $response->getHeader('Content-Type');
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if (!str_contains($contentType, 'application/xml') && !str_contains($contentType, 'text/xml')) {
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return;
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}
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$this->server->transactionType = 'vcf-multi-get-intercept-and-export';
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// Get the xml response
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$responseBody = $response->getBodyAsString();
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$responseXml = $this->server->xml->parse($responseBody);
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// Reduce the vcards into one string
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$output = array_reduce($responseXml->getResponses(), function ($vcf, $card) {
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$vcf .= $card->getResponseProperties()[200]['{urn:ietf:params:xml:ns:carddav}address-data'] . PHP_EOL;
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return $vcf;
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}, '');
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// Build and override the response
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$filename = 'vcfexport-' . date('Y-m-d') . '.vcf';
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$response->setHeader('Content-Disposition', 'attachment; filename="' . $filename . '"');
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$response->setHeader('Content-Type', 'text/vcard');
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$response->setStatus(200);
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$response->setBody($output);
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return true;
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}
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/**
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* Returns a plugin name.
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*
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* Using this name other plugins will be able to access other plugins
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* using \Sabre\DAV\Server::getPlugin
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*
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* @return string
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*/
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public function getPluginName() {
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return 'vcf-multi-get-intercept-and-export';
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}
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/**
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* Returns a bunch of meta-data about the plugin.
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*
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* Providing this information is optional, and is mainly displayed by the
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* Browser plugin.
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*
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* The description key in the returned array may contain html and will not
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* be sanitized.
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*
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* @return array
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*/
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public function getPluginInfo() {
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return [
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'name' => $this->getPluginName(),
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'description' => 'Intercept a multi-get request and return a single vcf file instead.'
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];
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}
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}
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