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Rework contact termination to separate protocol-level and contact-level

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- Mail and Feed contacts are now removed automatically on relationship termination
- Added logging and notice messages for different results
This commit is contained in:
Hypolite Petovan 2021-09-26 10:30:44 -04:00
parent 6cba99f9c9
commit 797391e1d8
7 changed files with 162 additions and 99 deletions
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3
doc/Addons.md
View file

@ -494,7 +494,8 @@ Called when unfollowing a remote contact on a non-native network (like Twitter)
Hook data:
- **contact** (input): the remote contact (uid = local unfollowing user id) array.
- **dissolve** (input): whether to stop sharing with the remote contact as well.
- **two_way** (input): wether to stop sharing with the remote contact as well.
- **result** (output): wether the unfollowing is successful or not.
## Complete list of hook callbacks

67
include/api.php
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@ -3778,11 +3778,11 @@ api_register_func('api/direct_messages/destroy', 'api_direct_messages_destroy',
*
* @param string $type Known types are 'atom', 'rss', 'xml' and 'json'
* @return string|array
* @throws BadRequestException
* @throws ForbiddenException
* @throws ImagickException
* @throws InternalServerErrorException
* @throws NotFoundException
* @throws HTTPException\BadRequestException
* @throws HTTPException\ExpectationFailedException
* @throws HTTPException\ForbiddenException
* @throws HTTPException\InternalServerErrorException
* @throws HTTPException\NotFoundException
* @see https://developer.twitter.com/en/docs/accounts-and-users/follow-search-get-users/api-reference/post-friendships-destroy.html
*/
function api_friendships_destroy($type)
@ -3790,25 +3790,31 @@ function api_friendships_destroy($type)
$uid = api_user();
if ($uid === false) {
throw new ForbiddenException();
throw new HTTPException\ForbiddenException();
}
$owner = User::getOwnerDataById($uid);
if (!$owner) {
Logger::notice(API_LOG_PREFIX . 'No owner {uid} found', ['module' => 'api', 'action' => 'friendships_destroy', 'uid' => $uid]);
throw new HTTPException\NotFoundException('Error Processing Request');
}
$contact_id = $_REQUEST['user_id'] ?? 0;
if (empty($contact_id)) {
Logger::notice(API_LOG_PREFIX . 'No user_id specified', ['module' => 'api', 'action' => 'friendships_destroy']);
throw new BadRequestException("no user_id specified");
throw new HTTPException\BadRequestException('no user_id specified');
}
// Get Contact by given id
$contact = DBA::selectFirst('contact', ['url'], ['id' => $contact_id, 'uid' => 0, 'self' => false]);
if(!DBA::isResult($contact)) {
Logger::notice(API_LOG_PREFIX . 'No contact found for ID {contact}', ['module' => 'api', 'action' => 'friendships_destroy', 'contact' => $contact_id]);
throw new NotFoundException("no contact found to given ID");
Logger::notice(API_LOG_PREFIX . 'No public contact found for ID {contact}', ['module' => 'api', 'action' => 'friendships_destroy', 'contact' => $contact_id]);
throw new HTTPException\NotFoundException('no contact found to given ID');
}
$url = $contact["url"];
$url = $contact['url'];
$condition = ["`uid` = ? AND (`rel` = ? OR `rel` = ?) AND (`nurl` = ? OR `alias` = ? OR `alias` = ?)",
$uid, Contact::SHARING, Contact::FRIEND, Strings::normaliseLink($url),
@ -3817,40 +3823,35 @@ function api_friendships_destroy($type)
if (!DBA::isResult($contact)) {
Logger::notice(API_LOG_PREFIX . 'Not following contact', ['module' => 'api', 'action' => 'friendships_destroy']);
throw new NotFoundException("Not following Contact");
}
if (!in_array($contact['network'], Protocol::NATIVE_SUPPORT)) {
Logger::notice(API_LOG_PREFIX . 'Not supported for {network}', ['module' => 'api', 'action' => 'friendships_destroy', 'network' => $contact['network']]);
throw new ExpectationFailedException("Not supported");
throw new HTTPException\NotFoundException('Not following Contact');
}
$dissolve = ($contact['rel'] == Contact::SHARING);
$owner = User::getOwnerDataById($uid);
if ($owner) {
Contact::terminateFriendship($owner, $contact, $dissolve);
}
else {
Logger::notice(API_LOG_PREFIX . 'No owner {uid} found', ['module' => 'api', 'action' => 'friendships_destroy', 'uid' => $uid]);
throw new NotFoundException("Error Processing Request");
}
try {
$result = Contact::terminateFriendship($owner, $contact, $dissolve);
// Sharing-only contacts get deleted as there no relationship any more
if ($dissolve) {
Contact::remove($contact['id']);
} else {
Contact::update(['rel' => Contact::FOLLOWER], ['id' => $contact['id']]);
if ($result === null) {
Logger::notice(API_LOG_PREFIX . 'Not supported for {network}', ['module' => 'api', 'action' => 'friendships_destroy', 'network' => $contact['network']]);
throw new HTTPException\ExpectationFailedException('Unfollowing is currently not supported by this contact\'s network.');
}
if ($result === false) {
throw new HTTPException\ServiceUnavailableException('Unable to unfollow this contact, please retry in a few minutes or contact your administrator.');
}
} catch (Exception $e) {
Logger::error(API_LOG_PREFIX . $e->getMessage(), ['owner' => $owner, 'contact' => $contact, 'dissolve' => $dissolve]);
throw new HTTPException\InternalServerErrorException('Unable to unfollow this contact, please contact your administrator');
}
// "uid" and "self" are only needed for some internal stuff, so remove it from here
unset($contact["uid"]);
unset($contact["self"]);
unset($contact['uid']);
unset($contact['self']);
// Set screen_name since Twidere requests it
$contact["screen_name"] = $contact["nick"];
$contact['screen_name'] = $contact['nick'];
return api_format_data("friendships-destroy", $type, ['user' => $contact]);
return api_format_data('friendships-destroy', $type, ['user' => $contact]);
}
api_register_func('api/friendships/destroy', 'api_friendships_destroy', true, API_METHOD_POST);

45
mod/unfollow.php
View file

@ -120,6 +120,12 @@ function unfollow_process(string $url)
$uid = local_user();
$owner = User::getOwnerDataById($uid);
if (!$owner) {
\Friendica\Module\Security\Logout::init();
// NOTREACHED
}
$condition = ["`uid` = ? AND (`rel` = ? OR `rel` = ?) AND (`nurl` = ? OR `alias` = ? OR `alias` = ?)",
$uid, Contact::SHARING, Contact::FRIEND, Strings::normaliseLink($url),
Strings::normaliseLink($url), $url];
@ -131,27 +137,30 @@ function unfollow_process(string $url)
// NOTREACHED
}
if (!in_array($contact['network'], Protocol::NATIVE_SUPPORT)) {
notice(DI::l10n()->t('Unfollowing is currently not supported by your network.'));
DI::baseUrl()->redirect($base_return_path . '/' . $contact['id']);
// NOTREACHED
}
$dissolve = ($contact['rel'] == Contact::SHARING);
$owner = User::getOwnerDataById($uid);
if ($owner) {
Contact::terminateFriendship($owner, $contact, $dissolve);
}
// Sharing-only contacts get deleted as there no relationship anymore
if ($dissolve) {
Contact::remove($contact['id']);
$return_path = $base_return_path;
} else {
Contact::update(['rel' => Contact::FOLLOWER], ['id' => $contact['id']]);
$return_path = $base_return_path . '/' . $contact['id'];
$notice_message = '';
$return_path = $base_return_path . '/' . $contact['id'];
try {
$result = Contact::terminateFriendship($owner, $contact, $dissolve);
if ($result === null) {
$notice_message = DI::l10n()->t('Unfollowing is currently not supported by this contact\'s network.');
}
if ($result === false) {
$notice_message = DI::l10n()->t('Unable to unfollow this contact, please retry in a few minutes or contact your administrator.');
}
if ($result === true) {
$notice_message = DI::l10n()->t('Contact was successfully unfollowed');
}
} catch (Exception $e) {
DI::logger()->error($e->getMessage(), ['owner' => $owner, 'contact' => $contact, 'dissolve' => $dissolve]);
$notice_message = DI::l10n()->t('Unable to unfollow this contact, please contact your administrator');
}
notice($notice_message);
DI::baseUrl()->redirect($return_path);
}

24
src/Console/Contact.php
View file

@ -23,6 +23,7 @@ namespace Friendica\Console;
use Console_Table;
use Friendica\App;
use Friendica\DI;
use Friendica\Model\Contact as ContactModel;
use Friendica\Model\User as UserModel;
use Friendica\Network\Probe;
@ -177,11 +178,12 @@ HELP;
}
/**
* Sends an unfriend message. Does not remove the contact
* Sends an unfriend message.
*
* @return bool True, if the command was successful
* @throws \Exception
*/
private function terminateContact()
private function terminateContact(): bool
{
$cid = $this->getArgument(1);
if (empty($cid)) {
@ -199,7 +201,23 @@ HELP;
$user = UserModel::getById($contact['uid']);
$result = ContactModel::terminateFriendship($user, $contact);
try {
$result = ContactModel::terminateFriendship($user, $contact);
if ($result === null) {
throw new RuntimeException('Unfollowing is currently not supported by this contact\'s network.');
}
if ($result === false) {
throw new RuntimeException('Unable to unfollow this contact, please retry in a few minutes or check the logs.');
}
$this->out('Contact was successfully unfollowed');
return true;
} catch (\Exception $e) {
DI::logger()->error($e->getMessage(), ['owner' => $user, 'contact' => $contact]);
throw new RuntimeException('Unable to unfollow this contact, please check the log');
}
}
/**

65
src/Core/Protocol.php
View file

@ -22,6 +22,12 @@
namespace Friendica\Core;
use Friendica\DI;
use Friendica\Network\HTTPException;
use Friendica\Protocol\Activity;
use Friendica\Protocol\ActivityPub;
use Friendica\Protocol\Diaspora;
use Friendica\Protocol\OStatus;
use Friendica\Protocol\Salmon;
/**
* Manage compatibility with federated networks
@ -157,4 +163,63 @@ class Protocol
{
return $display_name . ' (' . self::getAddrFromProfileUrl($profile_url) . ')';
}
/**
* Sends an unfriend message. Does not remove the contact
*
* @param array $user User unfriending
* @param array $contact Contact unfriended
* @param boolean $two_way Revoke eventual inbound follow as well
* @return bool|null true if successful, false if not, null if no action was performed
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function terminateFriendship(array $user, array $contact, bool $two_way = false): bool
{
if (empty($contact['network'])) {
throw new \InvalidArgumentException('Missing network key in contact array');
}
$protocol = $contact['network'];
if (($protocol == Protocol::DFRN) && !empty($contact['protocol'])) {
$protocol = $contact['protocol'];
}
if (in_array($protocol, [Protocol::OSTATUS, Protocol::DFRN])) {
// create an unfollow slap
$item = [];
$item['verb'] = Activity::O_UNFOLLOW;
$item['gravity'] = GRAVITY_ACTIVITY;
$item['follow'] = $contact['url'];
$item['body'] = '';
$item['title'] = '';
$item['guid'] = '';
$item['uri-id'] = 0;
$slap = OStatus::salmon($item, $user);
if (empty($contact['notify'])) {
throw new \InvalidArgumentException('Missing expected "notify" key in OStatus/DFRN contact');
}
return Salmon::slapper($user, $contact['notify'], $slap) === 0;
} elseif ($protocol == Protocol::DIASPORA) {
return Diaspora::sendUnshare($user, $contact) > 0;
} elseif ($protocol == Protocol::ACTIVITYPUB) {
if ($two_way) {
ActivityPub\Transmitter::sendContactReject($contact['url'], $contact['hub-verify'], $user['uid']);
}
return ActivityPub\Transmitter::sendContactUndo($contact['url'], $contact['id'], $user['uid']);
}
// Catch-all addon hook
$hook_data = [
'contact' => $contact,
'two_way' => $two_way,
'result' => null
];
Hook::callAll('unfollow', $hook_data);
return $hook_data['result'];
}
}

55
src/Model/Contact.php
View file

@ -809,7 +809,6 @@ class Contact
* Marks a contact for removal
*
* @param int $id contact id
* @return null
* @throws HTTPException\InternalServerErrorException
*/
public static function remove($id)
@ -828,56 +827,26 @@ class Contact
}
/**
* Sends an unfriend message. Does not remove the contact
* Sends an unfriend message. Removes the contact for two-way unfriending or sharing only protocols (feed an mail)
*
* @param array $user User unfriending
* @param array $contact Contact unfriended
* @param boolean $dissolve Remove the contact on the remote side
* @return void
* @param array $user User unfriending
* @param array $contact Contact unfriended
* @param boolean $two_way Revoke eventual inbound follow as well
* @return bool|null true if successful, false if not, null if no action was performed
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function terminateFriendship(array $user, array $contact, $dissolve = false)
public static function terminateFriendship(array $user, array $contact, bool $two_way = false): bool
{
if (empty($contact['network'])) {
return;
}
$result = Protocol::terminateFriendship($user, $contact, $two_way);
$protocol = $contact['network'];
if (($protocol == Protocol::DFRN) && !empty($contact['protocol'])) {
$protocol = $contact['protocol'];
}
if (in_array($protocol, [Protocol::OSTATUS, Protocol::DFRN])) {
// create an unfollow slap
$item = [];
$item['verb'] = Activity::O_UNFOLLOW;
$item['gravity'] = GRAVITY_ACTIVITY;
$item['follow'] = $contact["url"];
$item['body'] = '';
$item['title'] = '';
$item['guid'] = '';
$item['uri-id'] = 0;
$slap = OStatus::salmon($item, $user);
if (!empty($contact['notify'])) {
Salmon::slapper($user, $contact['notify'], $slap);
}
} elseif ($protocol == Protocol::DIASPORA) {
Diaspora::sendUnshare($user, $contact);
} elseif ($protocol == Protocol::ACTIVITYPUB) {
ActivityPub\Transmitter::sendContactUndo($contact['url'], $contact['id'], $user['uid']);
if ($dissolve) {
ActivityPub\Transmitter::sendContactReject($contact['url'], $contact['hub-verify'], $user['uid']);
}
if ($two_way || in_array($contact['network'], [Protocol::FEED, Protocol::MAIL])) {
self::remove($contact['id']);
} else {
$hook_data = [
'contact' => $contact,
'dissolve' => $dissolve,
];
Hook::callAll('unfollow', $hook_data);
self::update(['rel' => Contact::FOLLOWER], ['id' => $contact['id']]);
}
return $result;
}
/**

2
src/Worker/Notifier.php
View file

@ -703,7 +703,7 @@ class Notifier
}
while($contact = DBA::fetch($contacts_stmt)) {
Contact::terminateFriendship($owner, $contact, true);
Protocol::terminateFriendship($owner, $contact, true);
}
DBA::close($contacts_stmt);