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Merge pull request #9101 from annando/signed-outbox 

Support signed outbox requests
This commit is contained in:
Hypolite Petovan 2020-08-31 02:26:26 -04:00 committed by GitHub
parent 03c0fca302 729d5ebaf1
commit a54675b597
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 49 additions and 23 deletions
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32
src/Module/Objects.php
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@ -25,9 +25,11 @@ use Friendica\BaseModule;
use Friendica\Core\System;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Contact;
use Friendica\Model\Item;
use Friendica\Network\HTTPException;
use Friendica\Protocol\ActivityPub;
use Friendica\Util\HTTPSignature;
use Friendica\Util\Network;
/**
@ -45,17 +47,27 @@ class Objects extends BaseModule
DI::baseUrl()->redirect(str_replace('objects/', 'display/', DI::args()->getQueryString()));
}
/// @todo Add Authentication to enable fetching of non public content
// $requester = HTTPSignature::getSigner('', $_SERVER);
$item = Item::selectFirst(['id', 'uid', 'origin', 'author-link', 'changed', 'private', 'psid'],
['guid' => $parameters['guid']], ['order' => ['origin' => true]]);
$validated = false;
$requester = HTTPSignature::getSigner('', $_SERVER);
if (!empty($requester) && $item['origin']) {
$requester_id = Contact::getIdForURL($requester, $item['uid']);
if (!empty($requester_id)) {
$permissionSets = DI::permissionSet()->selectByContactId($requester_id, $item['uid']);
if (!empty($permissionSets)) {
$psid = array_merge($permissionSets->column('id'),
[DI::permissionSet()->getIdFromACL($item['uid'], '', '', '', '')]);
$validated = in_array($item['psid'], $psid);
}
}
}
if (!$validated && !in_array($item['private'], [Item::PUBLIC, Item::UNLISTED])) {
unset($item);
}
$item = Item::selectFirst(
['id', 'origin', 'author-link', 'changed'],
[
'guid' => $parameters['guid'],
'private' => [Item::PUBLIC, Item::UNLISTED]
],
['order' => ['origin' => true]]
);
// Valid items are original post or posted from this node (including in the case of a forum)
if (!DBA::isResult($item) || !$item['origin'] && (parse_url($item['author-link'], PHP_URL_HOST) != parse_url(DI::baseUrl()->get(), PHP_URL_HOST))) {
throw new HTTPException\NotFoundException();

9
src/Module/Outbox.php
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@ -22,10 +22,10 @@
namespace Friendica\Module;
use Friendica\BaseModule;
use Friendica\Core\System;
use Friendica\DI;
use Friendica\Model\User;
use Friendica\Protocol\ActivityPub;
use Friendica\Util\HTTPSignature;
/**
* ActivityPub Outbox
@ -48,11 +48,8 @@ class Outbox extends BaseModule
$page = $_REQUEST['page'] ?? null;
/// @todo Add Authentication to enable fetching of non public content
// $requester = HTTPSignature::getSigner('', $_SERVER);
$outbox = ActivityPub\Transmitter::getOutbox($owner, $page);
$requester = HTTPSignature::getSigner('', $_SERVER);
$outbox = ActivityPub\Transmitter::getOutbox($owner, $page, $requester);
header('Content-Type: application/activity+json');
echo json_encode($outbox);
exit();

29
src/Protocol/ActivityPub/Transmitter.php
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@ -141,20 +141,37 @@ class Transmitter
/**
* Public posts for the given owner
*
* @param array $owner Owner array
* @param integer $page Page numbe
* @param array $owner Owner array
* @param integer $page Page number
* @param string $requester URL of requesting account
*
* @return array of posts
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function getOutbox($owner, $page = null)
public static function getOutbox($owner, $page = null, $requester = '')
{
$public_contact = Contact::getIdForURL($owner['url']);
$condition = ['uid' => 0, 'contact-id' => $public_contact,
'private' => [Item::PUBLIC, Item::UNLISTED]];
if (!empty($requester)) {
$requester_id = Contact::getIdForURL($requester, $owner['uid']);
if (!empty($requester_id)) {
$permissionSets = DI::permissionSet()->selectByContactId($requester_id, $owner['uid']);
if (!empty($permissionSets)) {
$condition = ['uid' => $owner['uid'], 'origin' => true,
'psid' => array_merge($permissionSets->column('id'),
[DI::permissionSet()->getIdFromACL($owner['uid'], '', '', '', '')])];
}
}
}
$condition = array_merge($condition,
['author-id' => $public_contact,
'gravity' => [GRAVITY_PARENT, GRAVITY_COMMENT],
'deleted' => false, 'visible' => true, 'moderated' => false]);
$condition = ['uid' => 0, 'contact-id' => $public_contact, 'author-id' => $public_contact,
'private' => [Item::PUBLIC, Item::UNLISTED], 'gravity' => [GRAVITY_PARENT, GRAVITY_COMMENT],
'deleted' => false, 'visible' => true, 'moderated' => false];
$count = DBA::count('item', $condition);
$data = ['@context' => ActivityPub::CONTEXT];

2
src/Util/HTTPSignature.php
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@ -484,7 +484,7 @@ class HTTPSignature
}
$headers = [];
$headers['(request-target)'] = strtolower($http_headers['REQUEST_METHOD']) . ' ' . $http_headers['REQUEST_URI'];
$headers['(request-target)'] = strtolower($http_headers['REQUEST_METHOD']) . ' ' . parse_url($http_headers['REQUEST_URI'], PHP_URL_PATH);
// First take every header
foreach ($http_headers as $k => $v) {