959 lines
27 KiB
PHP
959 lines
27 KiB
PHP
<?php
|
|
/**
|
|
* @file src/Protocol/ActivityPub/Transmitter.php
|
|
*/
|
|
namespace Friendica\Protocol\ActivityPub;
|
|
|
|
use Friendica\Database\DBA;
|
|
use Friendica\Core\System;
|
|
use Friendica\Util\HTTPSignature;
|
|
use Friendica\Core\Protocol;
|
|
use Friendica\Model\Conversation;
|
|
use Friendica\Model\Contact;
|
|
use Friendica\Model\APContact;
|
|
use Friendica\Model\Item;
|
|
use Friendica\Model\Term;
|
|
use Friendica\Model\User;
|
|
use Friendica\Util\DateTimeFormat;
|
|
use Friendica\Content\Text\BBCode;
|
|
use Friendica\Util\JsonLD;
|
|
use Friendica\Util\LDSignature;
|
|
use Friendica\Model\Profile;
|
|
use Friendica\Core\Config;
|
|
use Friendica\Object\Image;
|
|
use Friendica\Protocol\ActivityPub;
|
|
use Friendica\Core\Cache;
|
|
|
|
/**
|
|
* @brief ActivityPub Transmitter Protocol class
|
|
*
|
|
* To-Do:
|
|
*
|
|
* Missing object types:
|
|
* - Event
|
|
*
|
|
* Complicated object types:
|
|
* - Announce
|
|
* - Undo Announce
|
|
*
|
|
* General:
|
|
* - Queueing unsucessful deliveries
|
|
*/
|
|
class Transmitter
|
|
{
|
|
/**
|
|
* @brief collects the lost of followers of the given owner
|
|
*
|
|
* @param array $owner Owner array
|
|
* @param integer $page Page number
|
|
*
|
|
* @return array of owners
|
|
*/
|
|
public static function getFollowers($owner, $page = null)
|
|
{
|
|
$condition = ['rel' => [Contact::FOLLOWER, Contact::FRIEND], 'network' => Protocol::NATIVE_SUPPORT, 'uid' => $owner['uid'],
|
|
'self' => false, 'hidden' => false, 'archive' => false, 'pending' => false];
|
|
$count = DBA::count('contact', $condition);
|
|
|
|
$data = ['@context' => ActivityPub::CONTEXT];
|
|
$data['id'] = System::baseUrl() . '/followers/' . $owner['nickname'];
|
|
$data['type'] = 'OrderedCollection';
|
|
$data['totalItems'] = $count;
|
|
|
|
// When we hide our friends we will only show the pure number but don't allow more.
|
|
$profile = Profile::getByUID($owner['uid']);
|
|
if (!empty($profile['hide-friends'])) {
|
|
return $data;
|
|
}
|
|
|
|
if (empty($page)) {
|
|
$data['first'] = System::baseUrl() . '/followers/' . $owner['nickname'] . '?page=1';
|
|
} else {
|
|
$list = [];
|
|
|
|
$contacts = DBA::select('contact', ['url'], $condition, ['limit' => [($page - 1) * 100, 100]]);
|
|
while ($contact = DBA::fetch($contacts)) {
|
|
$list[] = $contact['url'];
|
|
}
|
|
|
|
if (!empty($list)) {
|
|
$data['next'] = System::baseUrl() . '/followers/' . $owner['nickname'] . '?page=' . ($page + 1);
|
|
}
|
|
|
|
$data['partOf'] = System::baseUrl() . '/followers/' . $owner['nickname'];
|
|
|
|
$data['orderedItems'] = $list;
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* @brief Create list of following contacts
|
|
*
|
|
* @param array $owner Owner array
|
|
* @param integer $page Page numbe
|
|
*
|
|
* @return array of following contacts
|
|
*/
|
|
public static function getFollowing($owner, $page = null)
|
|
{
|
|
$condition = ['rel' => [Contact::SHARING, Contact::FRIEND], 'network' => Protocol::NATIVE_SUPPORT, 'uid' => $owner['uid'],
|
|
'self' => false, 'hidden' => false, 'archive' => false, 'pending' => false];
|
|
$count = DBA::count('contact', $condition);
|
|
|
|
$data = ['@context' => ActivityPub::CONTEXT];
|
|
$data['id'] = System::baseUrl() . '/following/' . $owner['nickname'];
|
|
$data['type'] = 'OrderedCollection';
|
|
$data['totalItems'] = $count;
|
|
|
|
// When we hide our friends we will only show the pure number but don't allow more.
|
|
$profile = Profile::getByUID($owner['uid']);
|
|
if (!empty($profile['hide-friends'])) {
|
|
return $data;
|
|
}
|
|
|
|
if (empty($page)) {
|
|
$data['first'] = System::baseUrl() . '/following/' . $owner['nickname'] . '?page=1';
|
|
} else {
|
|
$list = [];
|
|
|
|
$contacts = DBA::select('contact', ['url'], $condition, ['limit' => [($page - 1) * 100, 100]]);
|
|
while ($contact = DBA::fetch($contacts)) {
|
|
$list[] = $contact['url'];
|
|
}
|
|
|
|
if (!empty($list)) {
|
|
$data['next'] = System::baseUrl() . '/following/' . $owner['nickname'] . '?page=' . ($page + 1);
|
|
}
|
|
|
|
$data['partOf'] = System::baseUrl() . '/following/' . $owner['nickname'];
|
|
|
|
$data['orderedItems'] = $list;
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* @brief Public posts for the given owner
|
|
*
|
|
* @param array $owner Owner array
|
|
* @param integer $page Page numbe
|
|
*
|
|
* @return array of posts
|
|
*/
|
|
public static function getOutbox($owner, $page = null)
|
|
{
|
|
$public_contact = Contact::getIdForURL($owner['url'], 0, true);
|
|
|
|
$condition = ['uid' => $owner['uid'], 'contact-id' => $owner['id'], 'author-id' => $public_contact,
|
|
'wall' => true, 'private' => false, 'gravity' => [GRAVITY_PARENT, GRAVITY_COMMENT],
|
|
'deleted' => false, 'visible' => true];
|
|
$count = DBA::count('item', $condition);
|
|
|
|
$data = ['@context' => ActivityPub::CONTEXT];
|
|
$data['id'] = System::baseUrl() . '/outbox/' . $owner['nickname'];
|
|
$data['type'] = 'OrderedCollection';
|
|
$data['totalItems'] = $count;
|
|
|
|
if (empty($page)) {
|
|
$data['first'] = System::baseUrl() . '/outbox/' . $owner['nickname'] . '?page=1';
|
|
} else {
|
|
$list = [];
|
|
|
|
$condition['parent-network'] = Protocol::NATIVE_SUPPORT;
|
|
|
|
$items = Item::select(['id'], $condition, ['limit' => [($page - 1) * 20, 20], 'order' => ['created' => true]]);
|
|
while ($item = Item::fetch($items)) {
|
|
$object = self::createObjectFromItemID($item['id']);
|
|
unset($object['@context']);
|
|
$list[] = $object;
|
|
}
|
|
|
|
if (!empty($list)) {
|
|
$data['next'] = System::baseUrl() . '/outbox/' . $owner['nickname'] . '?page=' . ($page + 1);
|
|
}
|
|
|
|
$data['partOf'] = System::baseUrl() . '/outbox/' . $owner['nickname'];
|
|
|
|
$data['orderedItems'] = $list;
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Return the ActivityPub profile of the given user
|
|
*
|
|
* @param integer $uid User ID
|
|
* @return array with profile data
|
|
*/
|
|
public static function getProfile($uid)
|
|
{
|
|
$condition = ['uid' => $uid, 'blocked' => false, 'account_expired' => false,
|
|
'account_removed' => false, 'verified' => true];
|
|
$fields = ['guid', 'nickname', 'pubkey', 'account-type', 'page-flags'];
|
|
$user = DBA::selectFirst('user', $fields, $condition);
|
|
if (!DBA::isResult($user)) {
|
|
return [];
|
|
}
|
|
|
|
$fields = ['locality', 'region', 'country-name'];
|
|
$profile = DBA::selectFirst('profile', $fields, ['uid' => $uid, 'is-default' => true]);
|
|
if (!DBA::isResult($profile)) {
|
|
return [];
|
|
}
|
|
|
|
$fields = ['name', 'url', 'location', 'about', 'avatar'];
|
|
$contact = DBA::selectFirst('contact', $fields, ['uid' => $uid, 'self' => true]);
|
|
if (!DBA::isResult($contact)) {
|
|
return [];
|
|
}
|
|
|
|
$data = ['@context' => ActivityPub::CONTEXT];
|
|
$data['id'] = $contact['url'];
|
|
$data['diaspora:guid'] = $user['guid'];
|
|
$data['type'] = ActivityPub::ACCOUNT_TYPES[$user['account-type']];
|
|
$data['following'] = System::baseUrl() . '/following/' . $user['nickname'];
|
|
$data['followers'] = System::baseUrl() . '/followers/' . $user['nickname'];
|
|
$data['inbox'] = System::baseUrl() . '/inbox/' . $user['nickname'];
|
|
$data['outbox'] = System::baseUrl() . '/outbox/' . $user['nickname'];
|
|
$data['preferredUsername'] = $user['nickname'];
|
|
$data['name'] = $contact['name'];
|
|
$data['vcard:hasAddress'] = ['@type' => 'vcard:Home', 'vcard:country-name' => $profile['country-name'],
|
|
'vcard:region' => $profile['region'], 'vcard:locality' => $profile['locality']];
|
|
$data['summary'] = $contact['about'];
|
|
$data['url'] = $contact['url'];
|
|
$data['manuallyApprovesFollowers'] = in_array($user['page-flags'], [Contact::PAGE_NORMAL, Contact::PAGE_PRVGROUP]);
|
|
$data['publicKey'] = ['id' => $contact['url'] . '#main-key',
|
|
'owner' => $contact['url'],
|
|
'publicKeyPem' => $user['pubkey']];
|
|
$data['endpoints'] = ['sharedInbox' => System::baseUrl() . '/inbox'];
|
|
$data['icon'] = ['type' => 'Image',
|
|
'url' => $contact['avatar']];
|
|
|
|
// tags: https://kitty.town/@inmysocks/100656097926961126.json
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* @brief Returns an array with permissions of a given item array
|
|
*
|
|
* @param array $item
|
|
*
|
|
* @return array with permissions
|
|
*/
|
|
private static function fetchPermissionBlockFromConversation($item)
|
|
{
|
|
if (empty($item['thr-parent'])) {
|
|
return [];
|
|
}
|
|
|
|
$condition = ['item-uri' => $item['thr-parent'], 'protocol' => Conversation::PARCEL_ACTIVITYPUB];
|
|
$conversation = DBA::selectFirst('conversation', ['source'], $condition);
|
|
if (!DBA::isResult($conversation)) {
|
|
return [];
|
|
}
|
|
|
|
$activity = json_decode($conversation['source'], true);
|
|
|
|
$actor = JsonLD::fetchElement($activity, 'actor', 'id');
|
|
$profile = APContact::getByURL($actor);
|
|
|
|
$item_profile = APContact::getByURL($item['author-link']);
|
|
$exclude[] = $item['author-link'];
|
|
|
|
if ($item['gravity'] == GRAVITY_PARENT) {
|
|
$exclude[] = $item['owner-link'];
|
|
}
|
|
|
|
$permissions['to'][] = $actor;
|
|
|
|
foreach (['to', 'cc', 'bto', 'bcc'] as $element) {
|
|
if (empty($activity[$element])) {
|
|
continue;
|
|
}
|
|
if (is_string($activity[$element])) {
|
|
$activity[$element] = [$activity[$element]];
|
|
}
|
|
|
|
foreach ($activity[$element] as $receiver) {
|
|
if ($receiver == $profile['followers'] && !empty($item_profile['followers'])) {
|
|
$receiver = $item_profile['followers'];
|
|
}
|
|
if (!in_array($receiver, $exclude)) {
|
|
$permissions[$element][] = $receiver;
|
|
}
|
|
}
|
|
}
|
|
return $permissions;
|
|
}
|
|
|
|
/**
|
|
* @brief Creates an array of permissions from an item thread
|
|
*
|
|
* @param array $item
|
|
*
|
|
* @return array with permission data
|
|
*/
|
|
private static function createPermissionBlockForItem($item)
|
|
{
|
|
$data = ['to' => [], 'cc' => []];
|
|
|
|
$data = array_merge($data, self::fetchPermissionBlockFromConversation($item));
|
|
|
|
$actor_profile = APContact::getByURL($item['author-link']);
|
|
|
|
$terms = Term::tagArrayFromItemId($item['id'], TERM_MENTION);
|
|
|
|
$contacts[$item['author-link']] = $item['author-link'];
|
|
|
|
if (!$item['private']) {
|
|
$data['to'][] = ActivityPub::PUBLIC_COLLECTION;
|
|
if (!empty($actor_profile['followers'])) {
|
|
$data['cc'][] = $actor_profile['followers'];
|
|
}
|
|
|
|
foreach ($terms as $term) {
|
|
$profile = APContact::getByURL($term['url'], false);
|
|
if (!empty($profile) && empty($contacts[$profile['url']])) {
|
|
$data['cc'][] = $profile['url'];
|
|
$contacts[$profile['url']] = $profile['url'];
|
|
}
|
|
}
|
|
} else {
|
|
$receiver_list = Item::enumeratePermissions($item);
|
|
|
|
$mentioned = [];
|
|
|
|
foreach ($terms as $term) {
|
|
$cid = Contact::getIdForURL($term['url'], $item['uid']);
|
|
if (!empty($cid) && in_array($cid, $receiver_list)) {
|
|
$contact = DBA::selectFirst('contact', ['url'], ['id' => $cid, 'network' => Protocol::ACTIVITYPUB]);
|
|
$data['to'][] = $contact['url'];
|
|
$contacts[$contact['url']] = $contact['url'];
|
|
}
|
|
}
|
|
|
|
foreach ($receiver_list as $receiver) {
|
|
$contact = DBA::selectFirst('contact', ['url'], ['id' => $receiver, 'network' => Protocol::ACTIVITYPUB]);
|
|
if (empty($contacts[$contact['url']])) {
|
|
$data['cc'][] = $contact['url'];
|
|
$contacts[$contact['url']] = $contact['url'];
|
|
}
|
|
}
|
|
}
|
|
|
|
$parents = Item::select(['id', 'author-link', 'owner-link', 'gravity'], ['parent' => $item['parent']]);
|
|
while ($parent = Item::fetch($parents)) {
|
|
// Don't include data from future posts
|
|
if ($parent['id'] >= $item['id']) {
|
|
continue;
|
|
}
|
|
|
|
$profile = APContact::getByURL($parent['author-link'], false);
|
|
if (!empty($profile) && empty($contacts[$profile['url']])) {
|
|
$data['cc'][] = $profile['url'];
|
|
$contacts[$profile['url']] = $profile['url'];
|
|
}
|
|
|
|
if ($item['gravity'] != GRAVITY_PARENT) {
|
|
continue;
|
|
}
|
|
|
|
$profile = APContact::getByURL($parent['owner-link'], false);
|
|
if (!empty($profile) && empty($contacts[$profile['url']])) {
|
|
$data['cc'][] = $profile['url'];
|
|
$contacts[$profile['url']] = $profile['url'];
|
|
}
|
|
}
|
|
DBA::close($parents);
|
|
|
|
if (empty($data['to'])) {
|
|
$data['to'] = $data['cc'];
|
|
$data['cc'] = [];
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* @brief Fetches a list of inboxes of followers of a given user
|
|
*
|
|
* @param integer $uid User ID
|
|
*
|
|
* @return array of follower inboxes
|
|
*/
|
|
public static function fetchTargetInboxesforUser($uid)
|
|
{
|
|
$inboxes = [];
|
|
|
|
$condition = ['uid' => $uid, 'network' => Protocol::ACTIVITYPUB, 'archive' => false, 'pending' => false];
|
|
|
|
if (!empty($uid)) {
|
|
$condition['rel'] = [Contact::FOLLOWER, Contact::FRIEND];
|
|
}
|
|
|
|
$contacts = DBA::select('contact', ['notify', 'batch'], $condition);
|
|
while ($contact = DBA::fetch($contacts)) {
|
|
$contact = defaults($contact, 'batch', $contact['notify']);
|
|
$inboxes[$contact] = $contact;
|
|
}
|
|
DBA::close($contacts);
|
|
|
|
return $inboxes;
|
|
}
|
|
|
|
/**
|
|
* @brief Fetches an array of inboxes for the given item and user
|
|
*
|
|
* @param array $item
|
|
* @param integer $uid User ID
|
|
*
|
|
* @return array with inboxes
|
|
*/
|
|
public static function fetchTargetInboxes($item, $uid)
|
|
{
|
|
$permissions = self::createPermissionBlockForItem($item);
|
|
if (empty($permissions)) {
|
|
return [];
|
|
}
|
|
|
|
$inboxes = [];
|
|
|
|
if ($item['gravity'] == GRAVITY_ACTIVITY) {
|
|
$item_profile = APContact::getByURL($item['author-link']);
|
|
} else {
|
|
$item_profile = APContact::getByURL($item['owner-link']);
|
|
}
|
|
|
|
foreach (['to', 'cc', 'bto', 'bcc'] as $element) {
|
|
if (empty($permissions[$element])) {
|
|
continue;
|
|
}
|
|
|
|
foreach ($permissions[$element] as $receiver) {
|
|
if ($receiver == $item_profile['followers']) {
|
|
$inboxes = self::fetchTargetInboxesforUser($uid);
|
|
} else {
|
|
$profile = APContact::getByURL($receiver);
|
|
if (!empty($profile)) {
|
|
$target = defaults($profile, 'sharedinbox', $profile['inbox']);
|
|
$inboxes[$target] = $target;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return $inboxes;
|
|
}
|
|
|
|
/**
|
|
* @brief Returns the activity type of a given item
|
|
*
|
|
* @param array $item
|
|
*
|
|
* @return string with activity type
|
|
*/
|
|
private static function getTypeOfItem($item)
|
|
{
|
|
if ($item['verb'] == ACTIVITY_POST) {
|
|
if ($item['created'] == $item['edited']) {
|
|
$type = 'Create';
|
|
} else {
|
|
$type = 'Update';
|
|
}
|
|
} elseif ($item['verb'] == ACTIVITY_LIKE) {
|
|
$type = 'Like';
|
|
} elseif ($item['verb'] == ACTIVITY_DISLIKE) {
|
|
$type = 'Dislike';
|
|
} elseif ($item['verb'] == ACTIVITY_ATTEND) {
|
|
$type = 'Accept';
|
|
} elseif ($item['verb'] == ACTIVITY_ATTENDNO) {
|
|
$type = 'Reject';
|
|
} elseif ($item['verb'] == ACTIVITY_ATTENDMAYBE) {
|
|
$type = 'TentativeAccept';
|
|
} else {
|
|
$type = '';
|
|
}
|
|
|
|
return $type;
|
|
}
|
|
|
|
/**
|
|
* @brief Creates the activity or fetches it from the cache
|
|
*
|
|
* @param integer $item_id
|
|
*
|
|
* @return array with the activity
|
|
*/
|
|
public static function createCachedActivityFromItem($item_id)
|
|
{
|
|
$cachekey = 'APDelivery:createActivity:' . $item_id;
|
|
$data = Cache::get($cachekey);
|
|
if (!is_null($data)) {
|
|
return $data;
|
|
}
|
|
|
|
$data = ActivityPub\Transmitter::createActivityFromItem($item_id);
|
|
|
|
Cache::set($cachekey, $data, CACHE_QUARTER_HOUR);
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* @brief Creates an activity array for a given item id
|
|
*
|
|
* @param integer $item_id
|
|
* @param boolean $object_mode Is the activity item is used inside another object?
|
|
*
|
|
* @return array of activity
|
|
*/
|
|
public static function createActivityFromItem($item_id, $object_mode = false)
|
|
{
|
|
$item = Item::selectFirst([], ['id' => $item_id, 'parent-network' => Protocol::NATIVE_SUPPORT]);
|
|
|
|
if (!DBA::isResult($item)) {
|
|
return false;
|
|
}
|
|
|
|
$condition = ['item-uri' => $item['uri'], 'protocol' => Conversation::PARCEL_ACTIVITYPUB];
|
|
$conversation = DBA::selectFirst('conversation', ['source'], $condition);
|
|
if (DBA::isResult($conversation)) {
|
|
$data = json_decode($conversation['source']);
|
|
if (!empty($data)) {
|
|
return $data;
|
|
}
|
|
}
|
|
|
|
$type = self::getTypeOfItem($item);
|
|
|
|
if (!$object_mode) {
|
|
$data = ['@context' => ActivityPub::CONTEXT];
|
|
|
|
if ($item['deleted'] && ($item['gravity'] == GRAVITY_ACTIVITY)) {
|
|
$type = 'Undo';
|
|
} elseif ($item['deleted']) {
|
|
$type = 'Delete';
|
|
}
|
|
} else {
|
|
$data = [];
|
|
}
|
|
|
|
$data['id'] = $item['uri'] . '#' . $type;
|
|
$data['type'] = $type;
|
|
$data['actor'] = $item['owner-link'];
|
|
|
|
$data['published'] = DateTimeFormat::utc($item['created'] . '+00:00', DateTimeFormat::ATOM);
|
|
|
|
$data = array_merge($data, self::createPermissionBlockForItem($item));
|
|
|
|
if (in_array($data['type'], ['Create', 'Update', 'Announce', 'Delete'])) {
|
|
$data['object'] = self::createNote($item);
|
|
} elseif ($data['type'] == 'Undo') {
|
|
$data['object'] = self::createActivityFromItem($item_id, true);
|
|
} else {
|
|
$data['object'] = $item['thr-parent'];
|
|
}
|
|
|
|
$owner = User::getOwnerDataById($item['uid']);
|
|
|
|
if (!$object_mode) {
|
|
return LDSignature::sign($data, $owner);
|
|
} else {
|
|
return $data;
|
|
}
|
|
|
|
/// @todo Create "conversation" entry
|
|
}
|
|
|
|
/**
|
|
* @brief Creates an object array for a given item id
|
|
*
|
|
* @param integer $item_id
|
|
*
|
|
* @return array with the object data
|
|
*/
|
|
public static function createObjectFromItemID($item_id)
|
|
{
|
|
$item = Item::selectFirst([], ['id' => $item_id, 'parent-network' => Protocol::NATIVE_SUPPORT]);
|
|
|
|
if (!DBA::isResult($item)) {
|
|
return false;
|
|
}
|
|
|
|
$data = ['@context' => ActivityPub::CONTEXT];
|
|
$data = array_merge($data, self::createNote($item));
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* @brief Returns a tag array for a given item array
|
|
*
|
|
* @param array $item
|
|
*
|
|
* @return array of tags
|
|
*/
|
|
private static function createTagList($item)
|
|
{
|
|
$tags = [];
|
|
|
|
$terms = Term::tagArrayFromItemId($item['id']);
|
|
foreach ($terms as $term) {
|
|
if ($term['type'] == TERM_HASHTAG) {
|
|
$tags[] = ['type' => 'Hashtag', 'href' => $term['url'], 'name' => '#' . $term['term']];
|
|
} elseif ($term['type'] == TERM_MENTION) {
|
|
$contact = Contact::getDetailsByURL($term['url']);
|
|
if (!empty($contact['addr'])) {
|
|
$mention = '@' . $contact['addr'];
|
|
} else {
|
|
$mention = '@' . $term['url'];
|
|
}
|
|
|
|
$tags[] = ['type' => 'Mention', 'href' => $term['url'], 'name' => $mention];
|
|
}
|
|
}
|
|
return $tags;
|
|
}
|
|
|
|
/**
|
|
* @brief Adds attachment data to the JSON document
|
|
*
|
|
* @param array $item Data of the item that is to be posted
|
|
* @param text $type Object type
|
|
*
|
|
* @return array with attachment data
|
|
*/
|
|
private static function createAttachmentList($item, $type)
|
|
{
|
|
$attachments = [];
|
|
|
|
$arr = explode('[/attach],', $item['attach']);
|
|
if (count($arr)) {
|
|
foreach ($arr as $r) {
|
|
$matches = false;
|
|
$cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|', $r, $matches);
|
|
if ($cnt) {
|
|
$attributes = ['type' => 'Document',
|
|
'mediaType' => $matches[3],
|
|
'url' => $matches[1],
|
|
'name' => null];
|
|
|
|
if (trim($matches[4]) != '') {
|
|
$attributes['name'] = trim($matches[4]);
|
|
}
|
|
|
|
$attachments[] = $attributes;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($type != 'Note') {
|
|
return $attachments;
|
|
}
|
|
|
|
// Simplify image codes
|
|
$body = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $item['body']);
|
|
|
|
// Grab all pictures and create attachments out of them
|
|
if (preg_match_all("/\[img\]([^\[\]]*)\[\/img\]/Usi", $body, $pictures)) {
|
|
foreach ($pictures[1] as $picture) {
|
|
$imgdata = Image::getInfoFromURL($picture);
|
|
if ($imgdata) {
|
|
$attachments[] = ['type' => 'Document',
|
|
'mediaType' => $imgdata['mime'],
|
|
'url' => $picture,
|
|
'name' => null];
|
|
}
|
|
}
|
|
}
|
|
|
|
return $attachments;
|
|
}
|
|
|
|
/**
|
|
* @brief Remove image elements and replaces them with links to the image
|
|
*
|
|
* @param string $body
|
|
*
|
|
* @return string with replaced elements
|
|
*/
|
|
private static function removePictures($body)
|
|
{
|
|
// Simplify image codes
|
|
$body = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $body);
|
|
|
|
$body = preg_replace("/\[url=([^\[\]]*)\]\[img\](.*)\[\/img\]\[\/url\]/Usi", '[url]$1[/url]', $body);
|
|
$body = preg_replace("/\[img\]([^\[\]]*)\[\/img\]/Usi", '[url]$1[/url]', $body);
|
|
|
|
return $body;
|
|
}
|
|
|
|
/**
|
|
* @brief Fetches the "context" value for a givem item array from the "conversation" table
|
|
*
|
|
* @param array $item
|
|
*
|
|
* @return string with context url
|
|
*/
|
|
private static function fetchContextURLForItem($item)
|
|
{
|
|
$conversation = DBA::selectFirst('conversation', ['conversation-href', 'conversation-uri'], ['item-uri' => $item['parent-uri']]);
|
|
if (DBA::isResult($conversation) && !empty($conversation['conversation-href'])) {
|
|
$context_uri = $conversation['conversation-href'];
|
|
} elseif (DBA::isResult($conversation) && !empty($conversation['conversation-uri'])) {
|
|
$context_uri = $conversation['conversation-uri'];
|
|
} else {
|
|
$context_uri = $item['parent-uri'] . '#context';
|
|
}
|
|
return $context_uri;
|
|
}
|
|
|
|
/**
|
|
* @brief Returns if the post contains sensitive content ("nsfw")
|
|
*
|
|
* @param integer $item_id
|
|
*
|
|
* @return boolean
|
|
*/
|
|
private static function isSensitive($item_id)
|
|
{
|
|
$condition = ['otype' => TERM_OBJ_POST, 'oid' => $item_id, 'type' => TERM_HASHTAG, 'term' => 'nsfw'];
|
|
return DBA::exists('term', $condition);
|
|
}
|
|
|
|
/**
|
|
* @brief Creates a note/article object array
|
|
*
|
|
* @param array $item
|
|
*
|
|
* @return array with the object data
|
|
*/
|
|
public static function createNote($item)
|
|
{
|
|
if (!empty($item['title'])) {
|
|
$type = 'Article';
|
|
} else {
|
|
$type = 'Note';
|
|
}
|
|
|
|
if ($item['deleted']) {
|
|
$type = 'Tombstone';
|
|
}
|
|
|
|
$data = [];
|
|
$data['id'] = $item['uri'];
|
|
$data['type'] = $type;
|
|
|
|
if ($item['deleted']) {
|
|
return $data;
|
|
}
|
|
|
|
$data['summary'] = null; // Ignore by now
|
|
|
|
if ($item['uri'] != $item['thr-parent']) {
|
|
$data['inReplyTo'] = $item['thr-parent'];
|
|
} else {
|
|
$data['inReplyTo'] = null;
|
|
}
|
|
|
|
$data['diaspora:guid'] = $item['guid'];
|
|
$data['published'] = DateTimeFormat::utc($item['created'] . '+00:00', DateTimeFormat::ATOM);
|
|
|
|
if ($item['created'] != $item['edited']) {
|
|
$data['updated'] = DateTimeFormat::utc($item['edited'] . '+00:00', DateTimeFormat::ATOM);
|
|
}
|
|
|
|
$data['url'] = $item['plink'];
|
|
$data['attributedTo'] = $item['author-link'];
|
|
$data['actor'] = $item['author-link'];
|
|
$data['sensitive'] = self::isSensitive($item['id']);
|
|
$data['context'] = self::fetchContextURLForItem($item);
|
|
|
|
if (!empty($item['title'])) {
|
|
$data['name'] = BBCode::convert($item['title'], false, 7);
|
|
}
|
|
|
|
$body = $item['body'];
|
|
|
|
if ($type == 'Note') {
|
|
$body = self::removePictures($body);
|
|
}
|
|
|
|
$data['content'] = BBCode::convert($body, false, 7);
|
|
$data['source'] = ['content' => $item['body'], 'mediaType' => "text/bbcode"];
|
|
|
|
if (!empty($item['signed_text']) && ($item['uri'] != $item['thr-parent'])) {
|
|
$data['diaspora:comment'] = $item['signed_text'];
|
|
}
|
|
|
|
$data['attachment'] = self::createAttachmentList($item, $type);
|
|
$data['tag'] = self::createTagList($item);
|
|
$data = array_merge($data, self::createPermissionBlockForItem($item));
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* @brief Transmits a profile deletion to a given inbox
|
|
*
|
|
* @param integer $uid User ID
|
|
* @param string $inbox Target inbox
|
|
*/
|
|
public static function sendProfileDeletion($uid, $inbox)
|
|
{
|
|
$owner = User::getOwnerDataById($uid);
|
|
$profile = APContact::getByURL($owner['url']);
|
|
|
|
$data = ['@context' => 'https://www.w3.org/ns/activitystreams',
|
|
'id' => System::baseUrl() . '/activity/' . System::createGUID(),
|
|
'type' => 'Delete',
|
|
'actor' => $owner['url'],
|
|
'object' => $owner['url'],
|
|
'published' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
|
|
'to' => [ActivityPub::PUBLIC_COLLECTION],
|
|
'cc' => []];
|
|
|
|
$signed = LDSignature::sign($data, $owner);
|
|
|
|
logger('Deliver profile deletion for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', LOGGER_DEBUG);
|
|
HTTPSignature::transmit($signed, $inbox, $uid);
|
|
}
|
|
|
|
/**
|
|
* @brief Transmits a profile change to a given inbox
|
|
*
|
|
* @param integer $uid User ID
|
|
* @param string $inbox Target inbox
|
|
*/
|
|
public static function sendProfileUpdate($uid, $inbox)
|
|
{
|
|
$owner = User::getOwnerDataById($uid);
|
|
$profile = APContact::getByURL($owner['url']);
|
|
|
|
$data = ['@context' => 'https://www.w3.org/ns/activitystreams',
|
|
'id' => System::baseUrl() . '/activity/' . System::createGUID(),
|
|
'type' => 'Update',
|
|
'actor' => $owner['url'],
|
|
'object' => self::getProfile($uid),
|
|
'published' => DateTimeFormat::utcNow(DateTimeFormat::ATOM),
|
|
'to' => [$profile['followers']],
|
|
'cc' => []];
|
|
|
|
$signed = LDSignature::sign($data, $owner);
|
|
|
|
logger('Deliver profile update for user ' . $uid . ' to ' . $inbox . ' via ActivityPub', LOGGER_DEBUG);
|
|
HTTPSignature::transmit($signed, $inbox, $uid);
|
|
}
|
|
|
|
/**
|
|
* @brief Transmits a given activity to a target
|
|
*
|
|
* @param array $activity
|
|
* @param string $target Target profile
|
|
* @param integer $uid User ID
|
|
*/
|
|
public static function sendActivity($activity, $target, $uid)
|
|
{
|
|
$profile = APContact::getByURL($target);
|
|
|
|
$owner = User::getOwnerDataById($uid);
|
|
|
|
$data = ['@context' => 'https://www.w3.org/ns/activitystreams',
|
|
'id' => System::baseUrl() . '/activity/' . System::createGUID(),
|
|
'type' => $activity,
|
|
'actor' => $owner['url'],
|
|
'object' => $profile['url'],
|
|
'to' => $profile['url']];
|
|
|
|
logger('Sending activity ' . $activity . ' to ' . $target . ' for user ' . $uid, LOGGER_DEBUG);
|
|
|
|
$signed = LDSignature::sign($data, $owner);
|
|
HTTPSignature::transmit($signed, $profile['inbox'], $uid);
|
|
}
|
|
|
|
/**
|
|
* @brief Transmit a message that the contact request had been accepted
|
|
*
|
|
* @param string $target Target profile
|
|
* @param $id
|
|
* @param integer $uid User ID
|
|
*/
|
|
public static function sendContactAccept($target, $id, $uid)
|
|
{
|
|
$profile = APContact::getByURL($target);
|
|
|
|
$owner = User::getOwnerDataById($uid);
|
|
$data = ['@context' => 'https://www.w3.org/ns/activitystreams',
|
|
'id' => System::baseUrl() . '/activity/' . System::createGUID(),
|
|
'type' => 'Accept',
|
|
'actor' => $owner['url'],
|
|
'object' => ['id' => $id, 'type' => 'Follow',
|
|
'actor' => $profile['url'],
|
|
'object' => $owner['url']],
|
|
'to' => $profile['url']];
|
|
|
|
logger('Sending accept to ' . $target . ' for user ' . $uid . ' with id ' . $id, LOGGER_DEBUG);
|
|
|
|
$signed = LDSignature::sign($data, $owner);
|
|
HTTPSignature::transmit($signed, $profile['inbox'], $uid);
|
|
}
|
|
|
|
/**
|
|
* @brief Reject a contact request or terminates the contact relation
|
|
*
|
|
* @param string $target Target profile
|
|
* @param $id
|
|
* @param integer $uid User ID
|
|
*/
|
|
public static function sendContactReject($target, $id, $uid)
|
|
{
|
|
$profile = APContact::getByURL($target);
|
|
|
|
$owner = User::getOwnerDataById($uid);
|
|
$data = ['@context' => 'https://www.w3.org/ns/activitystreams',
|
|
'id' => System::baseUrl() . '/activity/' . System::createGUID(),
|
|
'type' => 'Reject',
|
|
'actor' => $owner['url'],
|
|
'object' => ['id' => $id, 'type' => 'Follow',
|
|
'actor' => $profile['url'],
|
|
'object' => $owner['url']],
|
|
'to' => $profile['url']];
|
|
|
|
logger('Sending reject to ' . $target . ' for user ' . $uid . ' with id ' . $id, LOGGER_DEBUG);
|
|
|
|
$signed = LDSignature::sign($data, $owner);
|
|
HTTPSignature::transmit($signed, $profile['inbox'], $uid);
|
|
}
|
|
|
|
/**
|
|
* @brief Transmits a message that we don't want to follow this contact anymore
|
|
*
|
|
* @param string $target Target profile
|
|
* @param integer $uid User ID
|
|
*/
|
|
public static function sendContactUndo($target, $uid)
|
|
{
|
|
$profile = APContact::getByURL($target);
|
|
|
|
$id = System::baseUrl() . '/activity/' . System::createGUID();
|
|
|
|
$owner = User::getOwnerDataById($uid);
|
|
$data = ['@context' => 'https://www.w3.org/ns/activitystreams',
|
|
'id' => $id,
|
|
'type' => 'Undo',
|
|
'actor' => $owner['url'],
|
|
'object' => ['id' => $id, 'type' => 'Follow',
|
|
'actor' => $owner['url'],
|
|
'object' => $profile['url']],
|
|
'to' => $profile['url']];
|
|
|
|
logger('Sending undo to ' . $target . ' for user ' . $uid . ' with id ' . $id, LOGGER_DEBUG);
|
|
|
|
$signed = LDSignature::sign($data, $owner);
|
|
HTTPSignature::transmit($signed, $profile['inbox'], $uid);
|
|
}
|
|
}
|