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<?php
/**
* @copyright Copyright (c) 2020 Matthias Heinisch <nextcloud@matthiasheinisch.de>
*
* @author Matthias Heinisch <nextcloud@matthiasheinisch.de>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\Contacts\Service\Social;
use OCP\Http\Client\IClientService;
class InstagramProvider implements ISocialProvider {
/** @var IClientService */
private $httpClient;
public function __construct(IClientService $httpClient) {
$this->httpClient = $httpClient->NewClient();
}
/**
* Returns the profile-id
*
* @param {string} the value from the contact's x-socialprofile
*
* @return string
*/
public function cleanupId(string $candidate):string {
$candidate = preg_replace('/^' . preg_quote('x-apple:', '/') . '/', '', $candidate);
return basename($candidate);
}
/**
* Returns the profile-picture url
*
* @param {string} profileId the profile-id
*
* @return string|null
*/
public function getImageUrl(string $profileId):?string {
$recipe = 'https://www.instagram.com/{socialId}/?__a=1';
$connector = str_replace("{socialId}", $profileId, $recipe);
$connector = $this->getFromJson($connector, 'graphql->user->profile_pic_url_hd');
return $connector;
}
/**
* extracts desired value from a json
*
* @param {string} url the target from where to fetch the json
* @param {String} the desired key to filter for (nesting possible with '->')
*
* @returns {String} the extracted value or null if not present
*/
protected function getFromJson(string $url, string $desired) : ?string {
try {
$result = $this->httpClient->get($url);
$jsonResult = json_decode($result->getBody(),true);
$location = explode('->' , $desired);
foreach ($location as $loc) {
if (!isset($jsonResult[$loc])) {
return null;
}
$jsonResult = $jsonResult[$loc];
}
return $jsonResult;
} catch (Exception $e) {
return null;
}
}
}
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