4 * @file src/Model/APContact.php
7 namespace Friendica\Model;
9 use Friendica\BaseObject;
10 use Friendica\Content\Text\HTML;
11 use Friendica\Core\Logger;
12 use Friendica\Core\Config;
13 use Friendica\Database\DBA;
14 use Friendica\Protocol\ActivityPub;
15 use Friendica\Util\Network;
16 use Friendica\Util\JsonLD;
17 use Friendica\Util\DateTimeFormat;
18 use Friendica\Util\Strings;
20 class APContact extends BaseObject
23 * Resolves the profile url from the address by using webfinger
25 * @param string $addr profile address (user@domain.tld)
26 * @param string $url profile URL. When set then we return "true" when this profile url can be found at the address
27 * @return string|boolean url
28 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
30 private static function addrToUrl($addr, $url = null)
32 $addr_parts = explode('@', $addr);
33 if (count($addr_parts) != 2) {
37 $xrd_timeout = Config::get('system', 'xrd_timeout');
39 $webfinger = 'https://' . $addr_parts[1] . '/.well-known/webfinger?resource=acct:' . urlencode($addr);
41 $curlResult = Network::curl($webfinger, false, ['timeout' => $xrd_timeout, 'accept_content' => 'application/jrd+json,application/json']);
42 if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
43 $webfinger = Strings::normaliseLink($webfinger);
45 $curlResult = Network::curl($webfinger, false, ['timeout' => $xrd_timeout, 'accept_content' => 'application/jrd+json,application/json']);
47 if (!$curlResult->isSuccess() || empty($curlResult->getBody())) {
52 $data = json_decode($curlResult->getBody(), true);
54 if (empty($data['links'])) {
58 foreach ($data['links'] as $link) {
59 if (!empty($url) && !empty($link['href']) && ($link['href'] == $url)) {
63 if (empty($link['href']) || empty($link['rel']) || empty($link['type'])) {
67 if (empty($url) && ($link['rel'] == 'self') && ($link['type'] == 'application/activity+json')) {
76 * Fetches a profile from a given url
78 * @param string $url profile url
79 * @param boolean $update true = always update, false = never update, null = update when not found or outdated
80 * @return array profile array
81 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
82 * @throws \ImagickException
84 public static function getByURL($url, $update = null)
90 $fetched_contact = false;
93 if (is_null($update)) {
94 $ref_update = DateTimeFormat::utc('now - 1 month');
96 $ref_update = DBA::NULL_DATETIME;
99 $apcontact = DBA::selectFirst('apcontact', [], ['url' => $url]);
100 if (!DBA::isResult($apcontact)) {
101 $apcontact = DBA::selectFirst('apcontact', [], ['alias' => $url]);
104 if (!DBA::isResult($apcontact)) {
105 $apcontact = DBA::selectFirst('apcontact', [], ['addr' => $url]);
108 if (DBA::isResult($apcontact) && ($apcontact['updated'] > $ref_update) && !empty($apcontact['pubkey'])) {
112 if (!is_null($update)) {
113 return DBA::isResult($apcontact) ? $apcontact : false;
116 if (DBA::isResult($apcontact)) {
117 $fetched_contact = $apcontact;
121 if (empty(parse_url($url, PHP_URL_SCHEME))) {
122 $url = self::addrToUrl($url);
124 return $fetched_contact;
128 $data = ActivityPub::fetchContent($url);
130 return $fetched_contact;
133 $compacted = JsonLD::compact($data);
135 if (empty($compacted['@id'])) {
136 return $fetched_contact;
140 $apcontact['url'] = $compacted['@id'];
141 $apcontact['uuid'] = JsonLD::fetchElement($compacted, 'diaspora:guid', '@value');
142 $apcontact['type'] = str_replace('as:', '', JsonLD::fetchElement($compacted, '@type'));
143 $apcontact['following'] = JsonLD::fetchElement($compacted, 'as:following', '@id');
144 $apcontact['followers'] = JsonLD::fetchElement($compacted, 'as:followers', '@id');
145 $apcontact['inbox'] = JsonLD::fetchElement($compacted, 'ldp:inbox', '@id');
146 self::unarchiveInbox($apcontact['inbox'], false);
148 $apcontact['outbox'] = JsonLD::fetchElement($compacted, 'as:outbox', '@id');
150 $apcontact['sharedinbox'] = '';
151 if (!empty($compacted['as:endpoints'])) {
152 $apcontact['sharedinbox'] = JsonLD::fetchElement($compacted['as:endpoints'], 'as:sharedInbox', '@id');
153 self::unarchiveInbox($apcontact['sharedinbox'], true);
156 $apcontact['nick'] = JsonLD::fetchElement($compacted, 'as:preferredUsername', '@value') ?? '';
157 $apcontact['name'] = JsonLD::fetchElement($compacted, 'as:name', '@value');
159 if (empty($apcontact['name'])) {
160 $apcontact['name'] = $apcontact['nick'];
163 $apcontact['about'] = HTML::toBBCode(JsonLD::fetchElement($compacted, 'as:summary', '@value'));
165 $apcontact['photo'] = JsonLD::fetchElement($compacted, 'as:icon', '@id');
166 if (is_array($apcontact['photo']) || !empty($compacted['as:icon']['as:url']['@id'])) {
167 $apcontact['photo'] = JsonLD::fetchElement($compacted['as:icon'], 'as:url', '@id');
170 $apcontact['alias'] = JsonLD::fetchElement($compacted, 'as:url', '@id');
171 if (is_array($apcontact['alias'])) {
172 $apcontact['alias'] = JsonLD::fetchElement($compacted['as:url'], 'as:href', '@id');
175 // Quit if none of the basic values are set
176 if (empty($apcontact['url']) || empty($apcontact['inbox']) || empty($apcontact['type'])) {
177 return $fetched_contact;
180 // Quit if this doesn't seem to be an account at all
181 if (!in_array($apcontact['type'], ActivityPub::ACCOUNT_TYPES)) {
182 return $fetched_contact;
185 $parts = parse_url($apcontact['url']);
186 unset($parts['scheme']);
187 unset($parts['path']);
189 if (!empty($apcontact['nick'])) {
190 $apcontact['addr'] = $apcontact['nick'] . '@' . str_replace('//', '', Network::unparseURL($parts));
192 $apcontact['addr'] = '';
195 if (!empty($compacted['w3id:publicKey'])) {
196 $apcontact['pubkey'] = trim(JsonLD::fetchElement($compacted['w3id:publicKey'], 'w3id:publicKeyPem', '@value'));
199 $apcontact['manually-approve'] = (int)JsonLD::fetchElement($compacted, 'as:manuallyApprovesFollowers');
201 if (!empty($compacted['as:generator'])) {
202 $apcontact['baseurl'] = JsonLD::fetchElement($compacted['as:generator'], 'as:url', '@id');
203 $apcontact['generator'] = JsonLD::fetchElement($compacted['as:generator'], 'as:name', '@value');
206 if (!empty($apcontact['following'])) {
207 $data = ActivityPub::fetchContent($apcontact['following']);
209 if (!empty($data['totalItems'])) {
210 $apcontact['following_count'] = $data['totalItems'];
215 if (!empty($apcontact['followers'])) {
216 $data = ActivityPub::fetchContent($apcontact['followers']);
218 if (!empty($data['totalItems'])) {
219 $apcontact['followers_count'] = $data['totalItems'];
224 if (!empty($apcontact['outbox'])) {
225 $data = ActivityPub::fetchContent($apcontact['outbox']);
227 if (!empty($data['totalItems'])) {
228 $apcontact['statuses_count'] = $data['totalItems'];
236 // tag, attachment, image, nomadicLocations, signature, featured, movedTo, liked
238 // Unhandled from Misskey
239 // sharedInbox, isCat
241 // Unhandled from Kroeg
242 // kroeg:blocks, updated
244 $parts = parse_url($apcontact['url']);
245 unset($parts['path']);
246 $baseurl = Network::unparseURL($parts);
248 // Check if the address is resolvable or the profile url is identical with the base url of the system
249 if (self::addrToUrl($apcontact['addr'], $apcontact['url']) || Strings::compareLink($apcontact['url'], $baseurl)) {
250 $apcontact['baseurl'] = $baseurl;
252 $apcontact['addr'] = null;
255 if (empty($apcontact['baseurl'])) {
256 $apcontact['baseurl'] = null;
259 if ($apcontact['url'] == $apcontact['alias']) {
260 $apcontact['alias'] = null;
263 $apcontact['updated'] = DateTimeFormat::utcNow();
265 DBA::update('apcontact', $apcontact, ['url' => $url], true);
267 // We delete the old entry when the URL is changed
268 if (($url != $apcontact['url']) && DBA::exists('apcontact', ['url' => $url]) && DBA::exists('apcontact', ['url' => $apcontact['url']])) {
269 DBA::delete('apcontact', ['url' => $url]);
272 Logger::log('Updated profile for ' . $url, Logger::DEBUG);
280 * @param string $url inbox url
282 private static function unarchiveInbox($url, $shared)
288 $now = DateTimeFormat::utcNow();
290 $fields = ['archive' => false, 'success' => $now, 'shared' => $shared];
292 if (!DBA::exists('inbox-status', ['url' => $url])) {
293 $fields = array_merge($fields, ['url' => $url, 'created' => $now]);
294 DBA::insert('inbox-status', $fields);
296 DBA::update('inbox-status', $fields, ['url' => $url]);