Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
namespace Friendica\Core;
use Friendica\BaseObject;
use Friendica\Database\DBA;
use Friendica\Model\Contact;
use Friendica\Network\HTTPException;
use Friendica\Network\Probe;
use Friendica\Object\Search\ContactResult;
use Friendica\Object\Search\ResultList;
use Friendica\Protocol\PortableContact;
use Friendica\Util\Network;
use Friendica\Util\Strings;
/**
* Specific class to perform searches for different systems. Currently:
* - Probe for contacts
* - Search in the local directory
* - Search in the global directory
*/
class Search extends BaseObject
{
const DEFAULT_DIRECTORY = 'https://dir.friendica.social';
const TYPE_PEOPLE = 0;
const TYPE_FORUM = 1;
const TYPE_ALL = 2;
/**
* Search a user based on his/her profile address
* pattern: @username@domain.tld
*
* @param string $user The user to search for
*
* @return ResultList
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function getContactsFromProbe($user)
{
$emptyResultList = new ResultList(1, 0, 1);
if ((filter_var($user, FILTER_VALIDATE_EMAIL) && Network::isEmailDomainValid($user)) ||
(substr(Strings::normaliseLink($user), 0, 7) == "http://")) {
$user_data = Probe::uri($user);
if (empty($user_data)) {
return $emptyResultList;
}
if (!(in_array($user_data["network"], Protocol::FEDERATED))) {
return $emptyResultList;
}
$contactDetails = Contact::getDetailsByURL(defaults($user_data, 'url', ''), local_user());
$itemUrl = defaults($contactDetails, 'addr', defaults($user_data, 'url', ''));
$result = new ContactResult(
defaults($user_data, 'name', ''),
defaults($user_data, 'addr', ''),
$itemUrl,
defaults($user_data, 'url', ''),
defaults($user_data, 'photo', ''),
defaults($user_data, 'network', ''),
defaults($contactDetails, 'cid', 0),
0,
defaults($user_data, 'tags', '')
);
return new ResultList(1, 1, 1, [$result]);
} else {
return $emptyResultList;
}
}
/**
* Search in the global directory for occurrences of the search string
*
* @see https://github.com/friendica/friendica-directory/blob/master/docs/Protocol.md#search
*
* @param string $search
* @param int $type specific type of searching
* @param int $page
*
* @return ResultList
* @throws HTTPException\InternalServerErrorException
*/
public static function getContactsFromGlobalDirectory($search, $type = self::TYPE_ALL, $page = 1)
{
$config = self::getApp()->getConfig();
$server = $config->get('system', 'directory', self::DEFAULT_DIRECTORY);
$searchUrl = $server . '/search';
switch ($type) {
case self::TYPE_FORUM:
$searchUrl .= '/forum';
break;
case self::TYPE_PEOPLE:
$searchUrl .= '/people';
break;
}
$searchUrl .= '?q=' . urlencode($search);
if ($page > 1) {
$searchUrl .= '&page=' . $page;
}
$resultJson = Network::fetchUrl($searchUrl, false, 0, 'application/json');
$results = json_decode($resultJson, true);
$resultList = new ResultList(
defaults($results, 'page', 1),
defaults($results, 'count', 0),
defaults($results, 'itemsperpage', 30)
);
$profiles = defaults($results, 'profiles', []);
foreach ($profiles as $profile) {
$contactDetails = Contact::getDetailsByURL(defaults($profile, 'profile_url', ''), local_user());
$itemUrl = defaults($contactDetails, 'addr', defaults($profile, 'profile_url', ''));
$result = new ContactResult(
defaults($profile, 'name', ''),
defaults($profile, 'addr', ''),
$itemUrl,
defaults($profile, 'profile_url', ''),
defaults($profile, 'photo', ''),
Protocol::DFRN,
defaults($contactDetails, 'cid', 0),
0,
defaults($profile, 'tags', ''));
$resultList->addResult($result);
}
return $resultList;
}
/**
* Search in the local database for occurrences of the search string
*
* @param string $search
* @param int $type
* @param int $start
* @param int $itemPage
*
* @return ResultList
* @throws HTTPException\InternalServerErrorException
*/
public static function getContactsFromLocalDirectory($search, $type = self::TYPE_ALL, $start = 0, $itemPage = 80)
{
$config = self::getApp()->getConfig();
$diaspora = $config->get('system', 'diaspora_enabled') ? Protocol::DIASPORA : Protocol::DFRN;
$ostatus = !$config->get('system', 'ostatus_disabled') ? Protocol::OSTATUS : Protocol::DFRN;
$wildcard = Strings::escapeHtml('%' . $search . '%');
$count = DBA::count('gcontact', [
'NOT `hide`
AND `network` IN (?, ?, ?, ?)
AND ((`last_contact` >= `last_failure`) OR (`updated` >= `last_failure`))
AND (`url` LIKE ? OR `name` LIKE ? OR `location` LIKE ?
OR `addr` LIKE ? OR `about` LIKE ? OR `keywords` LIKE ?)
AND `community` = ?',
Protocol::ACTIVITYPUB, Protocol::DFRN, $ostatus, $diaspora,
$wildcard, $wildcard, $wildcard,
$wildcard, $wildcard, $wildcard,
($type === self::TYPE_FORUM),
]);
$resultList = new ResultList($start, $itemPage, $count);
if (empty($count)) {
return $resultList;
}
$data = DBA::select('gcontact', ['nurl'], [
'NOT `hide`
AND `network` IN (?, ?, ?, ?)
AND ((`last_contact` >= `last_failure`) OR (`updated` >= `last_failure`))
AND (`url` LIKE ? OR `name` LIKE ? OR `location` LIKE ?
OR `addr` LIKE ? OR `about` LIKE ? OR `keywords` LIKE ?)
AND `community` = ?',
Protocol::ACTIVITYPUB, Protocol::DFRN, $ostatus, $diaspora,
$wildcard, $wildcard, $wildcard,
$wildcard, $wildcard, $wildcard,
($type === self::TYPE_FORUM),
], [
'group_by' => ['nurl', 'updated'],
'limit' => [$start, $itemPage],
'order' => ['updated' => 'DESC']
]);
if (!DBA::isResult($data)) {
return $resultList;
}
while ($row = DBA::fetch($data)) {
if (PortableContact::alternateOStatusUrl($row["nurl"])) {
continue;
}
$urlParts = parse_url($row["nurl"]);
// Ignore results that look strange.
// For historic reasons the gcontact table does contain some garbage.
if (!empty($urlParts['query']) || !empty($urlParts['fragment'])) {
continue;
}
$contact = Contact::getDetailsByURL($row["nurl"], local_user());
if ($contact["name"] == "") {
$contact["name"] = end(explode("/", $urlParts["path"]));
}
$result = new ContactResult(
$contact["name"],
$contact["addr"],
$contact["addr"],
$contact["url"],
$contact["photo"],
$contact["network"],
$contact["cid"],
$contact["zid"],
$contact["keywords"]
);
$resultList->addResult($result);
}
DBA::close($data);
// Add found profiles from the global directory to the local directory
Worker::add(PRIORITY_LOW, 'DiscoverPoCo', "dirsearch", urlencode($search));
return $resultList;
}
}