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friendica_2019-12_sharedHos.../mod/poco.php

393 lines
12 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @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 <https://www.gnu.org/licenses/>.
*
* @see https://web.archive.org/web/20160405005550/http://portablecontacts.net/draft-spec.html
*/
use Friendica\App;
use Friendica\Content\Text\BBCode;
use Friendica\Core\Logger;
use Friendica\Core\Protocol;
use Friendica\Core\Renderer;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Protocol\PortableContact;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Strings;
use Friendica\Util\XML;
function poco_init(App $a) {
$system_mode = false;
if (intval(DI::config()->get('system', 'block_public')) || (DI::config()->get('system', 'block_local_dir'))) {
throw new \Friendica\Network\HTTPException\ForbiddenException();
}
if ($a->argc > 1) {
$nickname = Strings::escapeTags(trim($a->argv[1]));
}
if (empty($nickname)) {
if (!DBA::exists('profile', ['net-publish' => true])) {
throw new \Friendica\Network\HTTPException\ForbiddenException();
}
$system_mode = true;
}
$format = ($_GET['format'] ?? '') ?: 'json';
$justme = false;
$global = false;
if ($a->argc > 1 && $a->argv[1] === '@server') {
// List of all servers that this server knows
$ret = PortableContact::serverlist();
header('Content-type: application/json');
echo json_encode($ret);
exit();
}
if ($a->argc > 1 && $a->argv[1] === '@global') {
// List of all profiles that this server recently had data from
$global = true;
$update_limit = date(DateTimeFormat::MYSQL, time() - 30 * 86400);
}
if ($a->argc > 2 && $a->argv[2] === '@me') {
$justme = true;
}
if ($a->argc > 3 && $a->argv[3] === '@all') {
$justme = false;
}
if ($a->argc > 3 && $a->argv[3] === '@self') {
$justme = true;
}
if ($a->argc > 4 && intval($a->argv[4]) && $justme == false) {
$cid = intval($a->argv[4]);
}
if (!$system_mode && !$global) {
$user = DBA::fetchFirst("SELECT `user`.`uid`, `user`.`nickname` FROM `user`
INNER JOIN `profile` ON `user`.`uid` = `profile`.`uid`
WHERE `user`.`nickname` = ? AND NOT `profile`.`hide-friends`",
$nickname);
if (!DBA::isResult($user)) {
throw new \Friendica\Network\HTTPException\NotFoundException();
}
}
if ($justme) {
$sql_extra = " AND `contact`.`self` = 1 ";
} else {
$sql_extra = "";
}
if (!empty($cid)) {
$sql_extra = sprintf(" AND `contact`.`id` = %d ", intval($cid));
}
if (!empty($_GET['updatedSince'])) {
$update_limit = date(DateTimeFormat::MYSQL, strtotime($_GET['updatedSince']));
}
if ($global) {
$contacts = q("SELECT count(*) AS `total` FROM `gcontact` WHERE `updated` >= '%s' AND `updated` >= `last_failure` AND NOT `hide` AND `network` IN ('%s', '%s', '%s')",
DBA::escape($update_limit),
DBA::escape(Protocol::DFRN),
DBA::escape(Protocol::DIASPORA),
DBA::escape(Protocol::OSTATUS)
);
} elseif ($system_mode) {
$totalResults = DBA::count('profile', ['net-publish' => true]);
} else {
$contacts = q("SELECT count(*) AS `total` FROM `contact` WHERE `uid` = %d AND `blocked` = 0 AND `pending` = 0 AND `hidden` = 0 AND `archive` = 0
AND (`success_update` >= `failure_update` OR `last-item` >= `failure_update`)
AND `network` IN ('%s', '%s', '%s', '%s') $sql_extra",
intval($user['uid']),
DBA::escape(Protocol::DFRN),
DBA::escape(Protocol::DIASPORA),
DBA::escape(Protocol::OSTATUS),
DBA::escape(Protocol::STATUSNET)
);
}
if (empty($totalResults) && DBA::isResult($contacts)) {
$totalResults = intval($contacts[0]['total']);
} elseif (empty($totalResults)) {
$totalResults = 0;
}
if (!empty($_GET['startIndex'])) {
$startIndex = intval($_GET['startIndex']);
} else {
$startIndex = 0;
}
$itemsPerPage = ((!empty($_GET['count'])) ? intval($_GET['count']) : $totalResults);
if ($global) {
Logger::log("Start global query", Logger::DEBUG);
$contacts = q("SELECT * FROM `gcontact` WHERE `updated` > '%s' AND NOT `hide` AND `network` IN ('%s', '%s', '%s') AND `updated` > `last_failure`
ORDER BY `updated` DESC LIMIT %d, %d",
DBA::escape($update_limit),
DBA::escape(Protocol::DFRN),
DBA::escape(Protocol::DIASPORA),
DBA::escape(Protocol::OSTATUS),
intval($startIndex),
intval($itemsPerPage)
);
} elseif ($system_mode) {
Logger::log("Start system mode query", Logger::DEBUG);
$contacts = q("SELECT `contact`.*, `profile`.`about` AS `pabout`, `profile`.`locality` AS `plocation`, `profile`.`pub_keywords`,
`profile`.`address` AS `paddress`, `profile`.`region` AS `pregion`,
`profile`.`postal-code` AS `ppostalcode`, `profile`.`country-name` AS `pcountry`, `user`.`account-type`
FROM `contact` INNER JOIN `profile` ON `profile`.`uid` = `contact`.`uid`
INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
WHERE `self` = 1 AND `profile`.`net-publish`
LIMIT %d, %d",
intval($startIndex),
intval($itemsPerPage)
);
} else {
Logger::log("Start query for user " . $user['nickname'], Logger::DEBUG);
$contacts = q("SELECT * FROM `contact` WHERE `uid` = %d AND `blocked` = 0 AND `pending` = 0 AND `hidden` = 0 AND `archive` = 0
AND (`success_update` >= `failure_update` OR `last-item` >= `failure_update`)
AND `network` IN ('%s', '%s', '%s', '%s') $sql_extra LIMIT %d, %d",
intval($user['uid']),
DBA::escape(Protocol::DFRN),
DBA::escape(Protocol::DIASPORA),
DBA::escape(Protocol::OSTATUS),
DBA::escape(Protocol::STATUSNET),
intval($startIndex),
intval($itemsPerPage)
);
}
Logger::log("Query done", Logger::DEBUG);
$ret = [];
if (!empty($_GET['sorted'])) {
$ret['sorted'] = false;
}
if (!empty($_GET['filtered'])) {
$ret['filtered'] = false;
}
if (!empty($_GET['updatedSince']) && ! $global) {
$ret['updatedSince'] = false;
}
$ret['startIndex'] = (int) $startIndex;
$ret['itemsPerPage'] = (int) $itemsPerPage;
$ret['totalResults'] = (int) $totalResults;
$ret['entry'] = [];
$fields_ret = [
'id' => false,
'displayName' => false,
'urls' => false,
'updated' => false,
'preferredUsername' => false,
'photos' => false,
'aboutMe' => false,
'currentLocation' => false,
'network' => false,
'tags' => false,
'address' => false,
'contactType' => false,
'generation' => false
];
if (empty($_GET['fields']) || ($_GET['fields'] === '@all')) {
foreach ($fields_ret as $k => $v) {
$fields_ret[$k] = true;
}
} else {
$fields_req = explode(',', $_GET['fields']);
foreach ($fields_req as $f) {
$fields_ret[trim($f)] = true;
}
}
if (is_array($contacts)) {
if (DBA::isResult($contacts)) {
foreach ($contacts as $contact) {
if (!isset($contact['updated'])) {
$contact['updated'] = '';
}
if (! isset($contact['generation'])) {
if ($global) {
$contact['generation'] = 3;
} elseif ($system_mode) {
$contact['generation'] = 1;
} else {
$contact['generation'] = 2;
}
}
if (($contact['about'] == "") && isset($contact['pabout'])) {
$contact['about'] = $contact['pabout'];
}
if ($contact['location'] == "") {
if (isset($contact['plocation'])) {
$contact['location'] = $contact['plocation'];
}
if (isset($contact['pregion']) && ( $contact['pregion'] != "")) {
if ($contact['location'] != "") {
$contact['location'] .= ", ";
}
$contact['location'] .= $contact['pregion'];
}
if (isset($contact['pcountry']) && ( $contact['pcountry'] != "")) {
if ($contact['location'] != "") {
$contact['location'] .= ", ";
}
$contact['location'] .= $contact['pcountry'];
}
}
if (($contact['keywords'] == "") && isset($contact['pub_keywords'])) {
$contact['keywords'] = $contact['pub_keywords'];
}
if (isset($contact['account-type'])) {
$contact['contact-type'] = $contact['account-type'];
}
$about = DI::cache()->get("about:" . $contact['updated'] . ":" . $contact['nurl']);
if (is_null($about)) {
$about = BBCode::convert($contact['about'], false);
DI::cache()->set("about:" . $contact['updated'] . ":" . $contact['nurl'], $about);
}
// Non connected persons can only see the keywords of a Diaspora account
if ($contact['network'] == Protocol::DIASPORA) {
$contact['location'] = "";
$about = "";
}
$entry = [];
if ($fields_ret['id']) {
$entry['id'] = (int)$contact['id'];
}
if ($fields_ret['displayName']) {
$entry['displayName'] = $contact['name'];
}
if ($fields_ret['aboutMe']) {
$entry['aboutMe'] = $about;
}
if ($fields_ret['currentLocation']) {
$entry['currentLocation'] = $contact['location'];
}
if ($fields_ret['generation']) {
$entry['generation'] = (int)$contact['generation'];
}
if ($fields_ret['urls']) {
$entry['urls'] = [['value' => $contact['url'], 'type' => 'profile']];
if ($contact['addr'] && ($contact['network'] !== Protocol::MAIL)) {
$entry['urls'][] = ['value' => 'acct:' . $contact['addr'], 'type' => 'webfinger'];
}
}
if ($fields_ret['preferredUsername']) {
$entry['preferredUsername'] = $contact['nick'];
}
if ($fields_ret['updated']) {
if (! $global) {
$entry['updated'] = $contact['success_update'];
if ($contact['name-date'] > $entry['updated']) {
$entry['updated'] = $contact['name-date'];
}
if ($contact['uri-date'] > $entry['updated']) {
$entry['updated'] = $contact['uri-date'];
}
if ($contact['avatar-date'] > $entry['updated']) {
$entry['updated'] = $contact['avatar-date'];
}
} else {
$entry['updated'] = $contact['updated'];
}
$entry['updated'] = date("c", strtotime($entry['updated']));
}
if ($fields_ret['photos']) {
$entry['photos'] = [['value' => $contact['photo'], 'type' => 'profile']];
}
if ($fields_ret['network']) {
$entry['network'] = $contact['network'];
if ($entry['network'] == Protocol::STATUSNET) {
$entry['network'] = Protocol::OSTATUS;
}
if (($entry['network'] == "") && ($contact['self'])) {
$entry['network'] = Protocol::DFRN;
}
}
if ($fields_ret['tags']) {
$tags = str_replace(",", " ", $contact['keywords']);
$tags = explode(" ", $tags);
$cleaned = [];
foreach ($tags as $tag) {
$tag = trim(strtolower($tag));
if ($tag != "") {
$cleaned[] = $tag;
}
}
$entry['tags'] = [$cleaned];
}
if ($fields_ret['address']) {
$entry['address'] = [];
// Deactivated. It just reveals too much data. (Although its from the default profile)
//if (isset($rr['paddress']))
// $entry['address']['streetAddress'] = $rr['paddress'];
if (isset($contact['plocation'])) {
$entry['address']['locality'] = $contact['plocation'];
}
if (isset($contact['pregion'])) {
$entry['address']['region'] = $contact['pregion'];
}
// See above
//if (isset($rr['ppostalcode']))
// $entry['address']['postalCode'] = $rr['ppostalcode'];
if (isset($contact['pcountry'])) {
$entry['address']['country'] = $contact['pcountry'];
}
}
if ($fields_ret['contactType']) {
$entry['contactType'] = intval($contact['contact-type']);
}
$ret['entry'][] = $entry;
}
} else {
$ret['entry'][] = [];
}
} else {
throw new \Friendica\Network\HTTPException\InternalServerErrorException();
}
Logger::log("End of poco", Logger::DEBUG);
if ($format === 'xml') {
header('Content-type: text/xml');
echo Renderer::replaceMacros(Renderer::getMarkupTemplate('poco_xml.tpl'), XML::arrayEscape(['$response' => $ret]));
exit();
}
if ($format === 'json') {
header('Content-type: application/json');
echo json_encode($ret);
exit();
} else {
throw new \Friendica\Network\HTTPException\InternalServerErrorException();
}
}