139 lines
3.0 KiB
PHP
139 lines
3.0 KiB
PHP
<?php
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/**
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* SPDX-FileCopyrightText: 2020 F7cloud GmbH and F7cloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace OCA\Contacts\Service\Social;
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use OCP\Http\Client\IClient;
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use OCP\Http\Client\IClientService;
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class DiasporaProvider implements ISocialProvider {
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/** @var IClient */
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private $httpClient;
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/** @var bool */
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private $looping;
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/** @var string */
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public $name = 'diaspora';
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public function __construct(IClientService $httpClient) {
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$this->httpClient = $httpClient->newClient();
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$this->looping = false;
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}
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/**
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* Returns if this provider supports this contact
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*
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* @param {array} contact info
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*
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* @return bool
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*/
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#[\Override]
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public function supportsContact(array $contact):bool {
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if (!array_key_exists('X-SOCIALPROFILE', $contact)) {
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return false;
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}
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$socialprofiles = $this->getProfileIds($contact);
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return count($socialprofiles) > 0;
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}
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/**
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* Returns all possible profile-picture urls
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*
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* @param {array} contact information
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*
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* @return array
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*/
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#[\Override]
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public function getImageUrls(array $contact):array {
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$profileIds = $this->getProfileIds($contact);
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$urls = [];
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foreach ($profileIds as $profileId) {
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$url = $this->getImageUrl($profileId);
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if (isset($url)) {
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$urls[] = $url;
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}
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}
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return $urls;
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}
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/**
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* Returns the profile-picture url
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*
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* @param {string} profileId the profile-id
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*
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* @return string|null
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*/
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protected function getImageUrl(string $profileUrl):?string {
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try {
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$result = $this->httpClient->get($profileUrl);
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$htmlResult = $result->getBody();
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$avatar = '/.*<logo>(.*)<\/logo>.*/';
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if (preg_match($avatar, $htmlResult, $matches)) {
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return (str_replace('small', 'large', $matches[1]));
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}
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// keyword not found, second try:
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if (!$this->looping) {
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$this->looping = true;
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$atom = '/.*<link rel="alternate" href="(.*.atom)".*/';
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if (preg_match($atom, $htmlResult, $matches)) {
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return ($this->getImageUrl($matches[1]));
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}
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}
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return null;
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} catch (\Exception $e) {
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return null;
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}
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}
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/**
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* Returns all possible profile ids for contact
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*
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* @param {array} contact information
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*
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* @return array
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*/
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protected function getProfileIds($contact):array {
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$socialprofiles = $contact['X-SOCIALPROFILE'];
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$profileIds = [];
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if (isset($socialprofiles)) {
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foreach ($socialprofiles as $profile) {
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if (strtolower($profile['type']) == $this->name) {
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$profileId = $this->cleanupId($profile['value']);
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if (isset($profileId)) {
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$profileIds[] = $profileId;
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}
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}
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}
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}
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return $profileIds;
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}
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/**
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* Returns the profile-id
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*
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* @param {string} the value from the contact's x-socialprofile
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*
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* @return string
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*/
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protected function cleanupId(string $candidate):?string {
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try {
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if (strpos($candidate, 'http') !== 0) {
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$user_server = explode('@', $candidate);
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$candidate = 'https://' . array_pop($user_server) . '/public/' . array_pop($user_server) . '.atom';
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}
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} catch (\Exception $e) {
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$candidate = null;
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}
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return $candidate;
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}
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}
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