139 lines
3.2 KiB
PHP
139 lines
3.2 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 FacebookProvider implements ISocialProvider {
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/** @var IClient */
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private $httpClient;
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/** @var string */
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public $name = 'facebook';
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public function __construct(IClientService $httpClient) {
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$this->httpClient = $httpClient->newClient();
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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 = $this->getProfiles($contact);
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return count($socialprofiles) > 0;
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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 {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 $profileId) {
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$recipe = 'https://graph.facebook.com/{socialId}/picture?width=720';
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$connector = str_replace('{socialId}', $profileId, $recipe);
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$urls[] = $connector;
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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-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 $candidate):string {
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$candidate = basename($candidate);
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if (!is_numeric($candidate)) {
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$candidate = $this->findFacebookId($candidate);
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}
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return $candidate;
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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 of string profile ids
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*/
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protected function getProfiles(array $contact):array {
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$socialprofiles = $contact['X-SOCIALPROFILE'];
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$profiles = [];
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if (isset($socialprofiles)) {
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foreach ($socialprofiles as $profile) {
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if (strtolower($profile['type']) == $this->name) {
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$profiles[] = $profile['value'];
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}
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}
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}
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return $profiles;
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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 of string profile ids
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*/
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protected function getProfileIds(array $contact):array {
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$profiles = $this->getProfiles($contact);
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$profileIds = [];
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foreach ($profiles as $profile) {
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$profileIds[] = $this->cleanupId($profile);
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}
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return $profileIds;
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}
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/**
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* Tries to get the facebook id from facebook profile name
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* e. g. "zuck" --> "4"
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* Fallback: return profile name
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* (will give oauth error from facebook except if profile is public)
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*
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* @param {string} profileName the user's profile name
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*
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* @return string
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*/
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protected function findFacebookId(string $profileName):string {
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try {
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$result = $this->httpClient->get('https://facebook.com/' . $profileName);
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if ($result->getStatusCode() !== 200) {
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return $profileName;
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}
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$htmlResult = $result->getBody();
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$entity_id = '/.*"entity_id":"([0-9]+)".*/';
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if (preg_match($entity_id, $htmlResult, $matches)) {
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return($matches[1]);
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}
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// keyword not found - page changed?
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return $profileName;
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} catch (\Exception $e) {
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return $profileName;
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}
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}
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}
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