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Merge pull request #8976 from annando/probe-last

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Probe for the date of the last item
This commit is contained in:
Hypolite Petovan 2020-08-05 10:17:03 -04:00 committed by GitHub
commit f81164de7a
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5 changed files with 197 additions and 200 deletions
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216
src/Model/Contact.php
View file

@ -1158,13 +1158,12 @@ class Contact
* @param integer $uid The user id for the contact (0 = public contact)
* @param boolean $update true = always update, false = never update, null = update when not found or outdated
* @param array $default Default value for creating the contact when every else fails
* @param boolean $in_loop Internally used variable to prevent an endless loop
*
* @return integer Contact ID
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function getIdForURL($url, $uid = 0, $update = null, $default = [], $in_loop = false)
public static function getIdForURL($url, $uid = 0, $update = null, $default = [])
{
Logger::info('Get contact data', ['url' => $url, 'user' => $uid]);
@ -1218,11 +1217,11 @@ class Contact
}
// Take the default values when probing failed
if (!empty($default) && !in_array($data["network"], array_merge(Protocol::NATIVE_SUPPORT, [Protocol::PUMPIO]))) {
if (!empty($default) && (empty($data['network']) || !in_array($data["network"], array_merge(Protocol::NATIVE_SUPPORT, [Protocol::PUMPIO])))) {
$data = array_merge($data, $default);
}
if (empty($data) || ($data['network'] == Protocol::PHANTOM)) {
if (empty($data['network']) || ($data['network'] == Protocol::PHANTOM)) {
Logger::info('No valid network found', ['url' => $url, 'data' => $data, 'callstack' => System::callstack(20)]);
return 0;
}
@ -1235,8 +1234,26 @@ class Contact
$data['gsid'] = GServer::getID($data['baseurl']);
}
if (!$contact_id && !empty($data['alias']) && ($data['alias'] != $data['url']) && !$in_loop) {
$contact_id = self::getIdForURL($data["alias"], $uid, false, $default, true);
if (!$contact_id && !empty($data['alias']) && ($data['alias'] != $data['url'])) {
$contact = self::getByURL($data['alias'], false, ['id']);
if (!empty($contact['id'])) {
$contact_id = $contact['id'];
Logger::info('Fetched id by alias', ['cid' => $contact_id, 'url' => $url, 'probed_url' => $data['url'], 'alias' => $data['alias']]);
}
}
// Possibly there is a contact entry with the probed URL
if (!$contact_id && ($url != $data['url']) && ($url != $data['alias'])) {
$contact = self::getByURL($data['url'], false, ['id']);
if (!empty($contact['id'])) {
$contact_id = $contact['id'];
Logger::info('Fetched id by url', ['cid' => $contact_id, 'url' => $url, 'probed_url' => $data['url'], 'alias' => $data['alias']]);
}
}
if ($uid == 0) {
$data['last-item'] = Probe::getLastUpdate($data);
Logger::info('Fetched last item', ['url' => $url, 'probed_url' => $data['url'], 'last-item' => $data['last-item'], 'callstack' => System::callstack(20)]);
}
if (!$contact_id) {
@ -1272,6 +1289,10 @@ class Contact
'readonly' => 0,
'pending' => 0];
if (!empty($data['last-item'])) {
$fields['last-item'] = $data['last-item'];
}
$condition = ['nurl' => Strings::normaliseLink($data["url"]), 'uid' => $uid, 'deleted' => false];
// Before inserting we do check if the entry does exist now.
@ -1308,7 +1329,7 @@ class Contact
self::updateFromProbe($contact_id, '', false);
}
} else {
$fields = ['url', 'nurl', 'addr', 'alias', 'name', 'nick', 'keywords', 'location', 'about', 'avatar-date', 'baseurl', 'gsid'];
$fields = ['url', 'nurl', 'addr', 'alias', 'name', 'nick', 'keywords', 'location', 'about', 'avatar-date', 'baseurl', 'gsid', 'last-item'];
$contact = DBA::selectFirst('contact', $fields, ['id' => $contact_id]);
// This condition should always be true
@ -1329,6 +1350,10 @@ class Contact
$updated[$field] = ($data[$field] ?? '') ?: $contact[$field];
}
if (!empty($data['last-item']) && ($contact['last-item'] < $data['last-item'])) {
$updated['last-item'] = $data['last-item'];
}
if (($updated['addr'] != $contact['addr']) || (!empty($data['alias']) && ($data['alias'] != $contact['alias']))) {
$updated['uri-date'] = DateTimeFormat::utcNow();
}
@ -2806,183 +2831,6 @@ class Contact
return ['count' => $count, 'added' => $added, 'updated' => $updated];
}
/**
* Set the last date that the contact had posted something
*
* This functionality is currently unused
*
* @param string $data probing result
* @param bool $force force updating
*/
private static function setLastUpdate(array $data, bool $force = false)
{
$contact = self::getByURL($data['url'], false, []);
if (empty($contact)) {
return;
}
if (!$force && !GServer::updateNeeded($contact['created'], $contact['updated'], $contact['last_failure'], $contact['last_contact'])) {
Logger::info("Don't update profile", ['url' => $data['url'], 'updated' => $contact['updated']]);
return;
}
if (self::updateFromNoScrape($data)) {
return;
}
if (!empty($data['outbox'])) {
self::updateFromOutbox($data['outbox'], $data);
} elseif (!empty($data['poll']) && ($data['network'] == Protocol::ACTIVITYPUB)) {
self::updateFromOutbox($data['poll'], $data);
} elseif (!empty($data['poll'])) {
self::updateFromFeed($data);
}
}
/**
* Update a global contact via the "noscrape" endpoint
*
* @param string $data Probing result
*
* @return bool 'true' if update was successful or the server was unreachable
*/
private static function updateFromNoScrape(array $data)
{
// Check the 'noscrape' endpoint when it is a Friendica server
$gserver = DBA::selectFirst('gserver', ['noscrape'], ["`nurl` = ? AND `noscrape` != ''",
Strings::normaliseLink($data['baseurl'])]);
if (!DBA::isResult($gserver)) {
return false;
}
$curlResult = DI::httpRequest()->get($gserver['noscrape'] . '/' . $data['nick']);
if ($curlResult->isSuccess() && !empty($curlResult->getBody())) {
$noscrape = json_decode($curlResult->getBody(), true);
if (!empty($noscrape) && !empty($noscrape['updated'])) {
$noscrape['updated'] = DateTimeFormat::utc($noscrape['updated'], DateTimeFormat::MYSQL);
$fields = ['failed' => false, 'last_contact' => DateTimeFormat::utcNow(), 'updated' => $noscrape['updated']];
DBA::update('contact', $fields, ['nurl' => Strings::normaliseLink($data['url'])]);
return true;
}
} elseif ($curlResult->isTimeout()) {
// On a timeout return the existing value, but mark the contact as failure
$fields = ['failed' => true, 'last_failure' => DateTimeFormat::utcNow()];
DBA::update('contact', $fields, ['nurl' => Strings::normaliseLink($data['url'])]);
return true;
}
return false;
}
/**
* Update a global contact via an ActivityPub Outbox
*
* @param string $feed
* @param array $data Probing result
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
private static function updateFromOutbox(string $feed, array $data)
{
$outbox = ActivityPub::fetchContent($feed);
if (empty($outbox)) {
return;
}
if (!empty($outbox['orderedItems'])) {
$items = $outbox['orderedItems'];
} elseif (!empty($outbox['first']['orderedItems'])) {
$items = $outbox['first']['orderedItems'];
} elseif (!empty($outbox['first']['href']) && ($outbox['first']['href'] != $feed)) {
self::updateFromOutbox($outbox['first']['href'], $data);
return;
} elseif (!empty($outbox['first'])) {
if (is_string($outbox['first']) && ($outbox['first'] != $feed)) {
self::updateFromOutbox($outbox['first'], $data);
} else {
Logger::warning('Unexpected data', ['outbox' => $outbox]);
}
return;
} else {
$items = [];
}
$last_updated = '';
foreach ($items as $activity) {
if (!empty($activity['published'])) {
$published = DateTimeFormat::utc($activity['published']);
} elseif (!empty($activity['object']['published'])) {
$published = DateTimeFormat::utc($activity['object']['published']);
} else {
continue;
}
if ($last_updated < $published) {
$last_updated = $published;
}
}
if (empty($last_updated)) {
return;
}
$fields = ['failed' => false, 'last_contact' => DateTimeFormat::utcNow(), 'updated' => $last_updated];
DBA::update('contact', $fields, ['nurl' => Strings::normaliseLink($data['url'])]);
}
/**
* Update a global contact via an XML feed
*
* @param string $data Probing result
*/
private static function updateFromFeed(array $data)
{
// Search for the newest entry in the feed
$curlResult = DI::httpRequest()->get($data['poll']);
if (!$curlResult->isSuccess()) {
$fields = ['failed' => true, 'last_failure' => DateTimeFormat::utcNow()];
DBA::update('contact', $fields, ['nurl' => Strings::normaliseLink($data['url'])]);
Logger::info("Profile wasn't reachable (no feed)", ['url' => $data['url']]);
return;
}
$doc = new DOMDocument();
@$doc->loadXML($curlResult->getBody());
$xpath = new DOMXPath($doc);
$xpath->registerNamespace('atom', 'http://www.w3.org/2005/Atom');
$entries = $xpath->query('/atom:feed/atom:entry');
$last_updated = '';
foreach ($entries as $entry) {
$published_item = $xpath->query('atom:published/text()', $entry)->item(0);
$updated_item = $xpath->query('atom:updated/text()' , $entry)->item(0);
$published = !empty($published_item->nodeValue) ? DateTimeFormat::utc($published_item->nodeValue) : null;
$updated = !empty($updated_item->nodeValue) ? DateTimeFormat::utc($updated_item->nodeValue) : null;
if (empty($published) || empty($updated)) {
Logger::notice('Invalid entry for XPath.', ['entry' => $entry, 'url' => $data['url']]);
continue;
}
if ($last_updated < $published) {
$last_updated = $published;
}
if ($last_updated < $updated) {
$last_updated = $updated;
}
}
if (empty($last_updated)) {
return;
}
$fields = ['failed' => false, 'last_contact' => DateTimeFormat::utcNow(), 'updated' => $last_updated];
DBA::update('contact', $fields, ['nurl' => Strings::normaliseLink($data['url'])]);
}
/**
* Returns a random, global contact of the current node
*

162
src/Network/Probe.php
View file

@ -38,6 +38,7 @@ use Friendica\Protocol\ActivityPub;
use Friendica\Protocol\Email;
use Friendica\Protocol\Feed;
use Friendica\Util\Crypto;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Network;
use Friendica\Util\Strings;
use Friendica\Util\XML;
@ -2009,4 +2010,165 @@ class Probe
return $fixed;
}
/**
* Fetch the last date that the contact had posted something (publically)
*
* @param string $data probing result
* @return string last activity
*/
public static function getLastUpdate(array $data)
{
if ($lastUpdate = self::updateFromNoScrape($data)) {
return $lastUpdate;
}
if (!empty($data['outbox'])) {
return self::updateFromOutbox($data['outbox'], $data);
} elseif (!empty($data['poll']) && ($data['network'] == Protocol::ACTIVITYPUB)) {
return self::updateFromOutbox($data['poll'], $data);
} elseif (!empty($data['poll'])) {
return self::updateFromFeed($data);
}
return '';
}
/**
* Fetch the last activity date from the "noscrape" endpoint
*
* @param array $data Probing result
* @return string last activity
*
* @return bool 'true' if update was successful or the server was unreachable
*/
private static function updateFromNoScrape(array $data)
{
if (empty($data['baseurl'])) {
return '';
}
// Check the 'noscrape' endpoint when it is a Friendica server
$gserver = DBA::selectFirst('gserver', ['noscrape'], ["`nurl` = ? AND `noscrape` != ''",
Strings::normaliseLink($data['baseurl'])]);
if (!DBA::isResult($gserver)) {
return '';
}
$curlResult = DI::httpRequest()->get($gserver['noscrape'] . '/' . $data['nick']);
if ($curlResult->isSuccess() && !empty($curlResult->getBody())) {
$noscrape = json_decode($curlResult->getBody(), true);
if (!empty($noscrape) && !empty($noscrape['updated'])) {
return DateTimeFormat::utc($noscrape['updated'], DateTimeFormat::MYSQL);
}
}
return '';
}
/**
* Fetch the last activity date from an ActivityPub Outbox
*
* @param string $feed
* @param array $data Probing result
* @return string last activity
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
private static function updateFromOutbox(string $feed, array $data)
{
$outbox = ActivityPub::fetchContent($feed);
if (empty($outbox)) {
return '';
}
if (!empty($outbox['orderedItems'])) {
$items = $outbox['orderedItems'];
} elseif (!empty($outbox['first']['orderedItems'])) {
$items = $outbox['first']['orderedItems'];
} elseif (!empty($outbox['first']['href']) && ($outbox['first']['href'] != $feed)) {
return self::updateFromOutbox($outbox['first']['href'], $data);
} elseif (!empty($outbox['first'])) {
if (is_string($outbox['first']) && ($outbox['first'] != $feed)) {
return self::updateFromOutbox($outbox['first'], $data);
} else {
Logger::warning('Unexpected data', ['outbox' => $outbox]);
}
return '';
} else {
$items = [];
}
$last_updated = '';
foreach ($items as $activity) {
if (!empty($activity['published'])) {
$published = DateTimeFormat::utc($activity['published']);
} elseif (!empty($activity['object']['published'])) {
$published = DateTimeFormat::utc($activity['object']['published']);
} else {
continue;
}
if ($last_updated < $published) {
$last_updated = $published;
}
}
if (!empty($last_updated)) {
return $last_updated;
}
return '';
}
/**
* Fetch the last activity date from an XML feed
*
* @param array $data Probing result
* @return string last activity
*/
private static function updateFromFeed(array $data)
{
// Search for the newest entry in the feed
$curlResult = DI::httpRequest()->get($data['poll']);
if (!$curlResult->isSuccess()) {
return '';
}
$doc = new DOMDocument();
@$doc->loadXML($curlResult->getBody());
$xpath = new DOMXPath($doc);
$xpath->registerNamespace('atom', 'http://www.w3.org/2005/Atom');
$entries = $xpath->query('/atom:feed/atom:entry');
$last_updated = '';
foreach ($entries as $entry) {
$published_item = $xpath->query('atom:published/text()', $entry)->item(0);
$updated_item = $xpath->query('atom:updated/text()' , $entry)->item(0);
$published = !empty($published_item->nodeValue) ? DateTimeFormat::utc($published_item->nodeValue) : null;
$updated = !empty($updated_item->nodeValue) ? DateTimeFormat::utc($updated_item->nodeValue) : null;
if (empty($published) || empty($updated)) {
Logger::notice('Invalid entry for XPath.', ['entry' => $entry, 'url' => $data['url']]);
continue;
}
if ($last_updated < $published) {
$last_updated = $published;
}
if ($last_updated < $updated) {
$last_updated = $updated;
}
}
if (!empty($last_updated)) {
return $last_updated;
}
return '';
}
}

15
src/Protocol/Diaspora.php
View file

@ -1106,20 +1106,7 @@ class Diaspora
*/
private static function contactByHandle($uid, $handle)
{
$cid = Contact::getIdForURL($handle, $uid);
if (!$cid) {
Logger::log("Haven't found a contact for user " . $uid . " and handle " . $handle, Logger::DEBUG);
return false;
}
$contact = DBA::selectFirst('contact', [], ['id' => $cid]);
if (!DBA::isResult($contact)) {
// This here shouldn't happen at all
Logger::log("Haven't found a contact for user " . $uid . " and handle " . $handle, Logger::DEBUG);
return false;
}
return $contact;
return Contact::getByURL($handle, null, [], $uid);
}
/**

2
src/Protocol/OStatus.php
View file

@ -2017,7 +2017,7 @@ class OStatus
$mentioned = $newmentions;
foreach ($mentioned as $mention) {
$contact = Contact::getByURL($mention, ['contact-type']);
$contact = Contact::getByURL($mention, false, ['contact-type']);
if (!empty($contact) && ($contact['contact-type'] == Contact::TYPE_COMMUNITY)) {
XML::addElement($doc, $entry, "link", "",
[

2
view/theme/frio/theme.php
View file

@ -201,7 +201,7 @@ function frio_remote_nav($a, &$nav)
$remoteUser = Contact::getById(remote_user(), $fields);
$nav['remote'] = DI::l10n()->t('Guest');
} elseif (Model\Profile::getMyURL()) {
$remoteUser = Contact::getByURL($homelink, $fields);
$remoteUser = Contact::getByURL($homelink, null, $fields);
$nav['remote'] = DI::l10n()->t('Visitor');
} else {
$remoteUser = null;