APContact stuff is moved to an own class

2025-04-26 22:30:18 +00:00 · 2018-09-26 17:24:29 +00:00 · 2018-09-26 17:24:29 +00:00 · 9ec30010c5
commit 9ec30010c5
parent f3814ae1fc
4 changed files with 197 additions and 193 deletions
--- a/src/Model/APContact.php
+++ b/src/Model/APContact.php
@ -0,0 +1,175 @@
+<?php
+
+/**
+ * @file src/Model/APContact.php
+ */
+
+namespace Friendica\Model;
+
+use Friendica\BaseObject;
+use Friendica\Database\DBA;
+use Friendica\Protocol\ActivityPub;
+use Friendica\Util\Network;
+use Friendica\Util\JsonLD;
+use Friendica\Util\DateTimeFormat;
+
+require_once 'boot.php';
+
+class APContact extends BaseObject
+{
+	/**
+	 * Resolves the profile url from the address by using webfinger
+	 *
+	 * @param string $addr profile address (user@domain.tld)
+	 * @return string url
+	 */
+	private static function addrToUrl($addr)
+	{
+		$addr_parts = explode('@', $addr);
+		if (count($addr_parts) != 2) {
+			return false;
+		}
+
+		$webfinger = 'https://' . $addr_parts[1] . '/.well-known/webfinger?resource=acct:' . urlencode($addr);
+
+		$ret = Network::curl($webfinger, false, $redirects, ['accept_content' => 'application/jrd+json,application/json']);
+		if (!$ret['success'] || empty($ret['body'])) {
+			return false;
+		}
+
+		$data = json_decode($ret['body'], true);
+
+		if (empty($data['links'])) {
+			return false;
+		}
+
+		foreach ($data['links'] as $link) {
+			if (empty($link['href']) || empty($link['rel']) || empty($link['type'])) {
+				continue;
+			}
+
+			if (($link['rel'] == 'self') && ($link['type'] == 'application/activity+json')) {
+				return $link['href'];
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Fetches a profile from a given url
+	 *
+	 * @param string  $url    profile url
+	 * @param boolean $update true = always update, false = never update, null = update when not found
+	 * @return array profile array
+	 */
+	public static function getProfileByURL($url, $update = null)
+	{
+		if (empty($url)) {
+			return false;
+		}
+
+		if (empty($update)) {
+			$apcontact = DBA::selectFirst('apcontact', [], ['url' => $url]);
+			if (DBA::isResult($apcontact)) {
+				return $apcontact;
+			}
+
+			$apcontact = DBA::selectFirst('apcontact', [], ['alias' => $url]);
+			if (DBA::isResult($apcontact)) {
+				return $apcontact;
+			}
+
+			$apcontact = DBA::selectFirst('apcontact', [], ['addr' => $url]);
+			if (DBA::isResult($apcontact)) {
+				return $apcontact;
+			}
+
+			if (!is_null($update)) {
+				return false;
+			}
+		}
+
+		if (empty(parse_url($url, PHP_URL_SCHEME))) {
+			$url = self::addrToUrl($url);
+			if (empty($url)) {
+				return false;
+			}
+		}
+
+		$data = ActivityPub::fetchContent($url);
+
+		if (empty($data) || empty($data['id']) || empty($data['inbox'])) {
+			return false;
+		}
+
+		$apcontact = [];
+		$apcontact['url'] = $data['id'];
+		$apcontact['uuid'] = defaults($data, 'uuid', null);
+		$apcontact['type'] = defaults($data, 'type', null);
+		$apcontact['following'] = defaults($data, 'following', null);
+		$apcontact['followers'] = defaults($data, 'followers', null);
+		$apcontact['inbox'] = defaults($data, 'inbox', null);
+		$apcontact['outbox'] = defaults($data, 'outbox', null);
+		$apcontact['sharedinbox'] = JsonLD::fetchElement($data, 'endpoints', 'sharedInbox');
+		$apcontact['nick'] = defaults($data, 'preferredUsername', null);
+		$apcontact['name'] = defaults($data, 'name', $apcontact['nick']);
+		$apcontact['about'] = defaults($data, 'summary', '');
+		$apcontact['photo'] = JsonLD::fetchElement($data, 'icon', 'url');
+		$apcontact['alias'] = JsonLD::fetchElement($data, 'url', 'href');
+
+		$parts = parse_url($apcontact['url']);
+		unset($parts['scheme']);
+		unset($parts['path']);
+		$apcontact['addr'] = $apcontact['nick'] . '@' . str_replace('//', '', Network::unparseURL($parts));
+
+		$apcontact['pubkey'] = trim(JsonLD::fetchElement($data, 'publicKey', 'publicKeyPem'));
+
+		// To-Do
+		// manuallyApprovesFollowers
+
+		// Unhandled
+		// @context, tag, attachment, image, nomadicLocations, signature, following, followers, featured, movedTo, liked
+
+		// Unhandled from Misskey
+		// sharedInbox, isCat
+
+		// Unhandled from Kroeg
+		// kroeg:blocks, updated
+
+		// Check if the address is resolvable
+		if (self::addrToUrl($apcontact['addr']) == $apcontact['url']) {
+			$parts = parse_url($apcontact['url']);
+			unset($parts['path']);
+			$apcontact['baseurl'] = Network::unparseURL($parts);
+		} else {
+			$apcontact['addr'] = null;
+			$apcontact['baseurl'] = null;
+		}
+
+		if ($apcontact['url'] == $apcontact['alias']) {
+			$apcontact['alias'] = null;
+		}
+
+		$apcontact['updated'] = DateTimeFormat::utcNow();
+
+		DBA::update('apcontact', $apcontact, ['url' => $url], true);
+
+		// Update some data in the contact table with various ways to catch them all
+		$contact_fields = ['name' => $apcontact['name'], 'about' => $apcontact['about']];
+		DBA::update('contact', $contact_fields, ['nurl' => normalise_link($url)]);
+
+		$contacts = DBA::select('contact', ['uid', 'id'], ['nurl' => normalise_link($url)]);
+		while ($contact = DBA::fetch($contacts)) {
+			Contact::updateAvatar($apcontact['photo'], $contact['uid'], $contact['id']);
+		}
+		DBA::close($contacts);
+
+		// Update the gcontact table
+		DBA::update('gcontact', $contact_fields, ['nurl' => normalise_link($url)]);
+
+		logger('Updated profile for ' . $url, LOGGER_DEBUG);
+
+		return $apcontact;
+	}
+}