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Merge pull request #9050 from annando/system-account

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We now fetch data with an automatically generated system user
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Hypolite Petovan 2020-08-22 15:54:16 -04:00 • committed by GitHub
commit d31010ca0e
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11 changed files with 255 additions and 72 deletions
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116
src/Model/User.php
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@ -99,6 +99,105 @@ class User
private static $owner;
/**
* Fetch the system account
*
* @return array system account
*/
public static function getSystemAccount()
{
$system = Contact::selectFirst([], ['self' => true, 'uid' => 0]);
if (!DBA::isResult($system)) {
self::createSystemAccount();
$system = Contact::selectFirst([], ['self' => true, 'uid' => 0]);
if (!DBA::isResult($system)) {
return [];
}
}
$system['spubkey'] = $system['uprvkey'] = $system['prvkey'];
$system['username'] = $system['name'];
$system['nickname'] = $system['nick'];
return $system;
}
/**
* Create the system account
*
* @return void
*/
private static function createSystemAccount()
{
$system_actor_name = self::getActorName();
if (empty($system_actor_name)) {
return;
}
$keys = Crypto::newKeypair(4096);
if ($keys === false) {
throw new Exception(DI::l10n()->t('SERIOUS ERROR: Generation of security keys failed.'));
}
$system = [];
$system['uid'] = 0;
$system['created'] = DateTimeFormat::utcNow();
$system['self'] = true;
$system['network'] = Protocol::ACTIVITYPUB;
$system['name'] = 'System Account';
$system['addr'] = $system_actor_name . '@' . DI::baseUrl()->getHostname();
$system['nick'] = $system_actor_name;
$system['avatar'] = DI::baseUrl() . Contact::DEFAULT_AVATAR_PHOTO;
$system['photo'] = DI::baseUrl() . Contact::DEFAULT_AVATAR_PHOTO;
$system['thumb'] = DI::baseUrl() . Contact::DEFAULT_AVATAR_THUMB;
$system['micro'] = DI::baseUrl() . Contact::DEFAULT_AVATAR_MICRO;
$system['url'] = DI::baseUrl() . '/friendica';
$system['nurl'] = Strings::normaliseLink($system['url']);
$system['pubkey'] = $keys['pubkey'];
$system['prvkey'] = $keys['prvkey'];
$system['blocked'] = 0;
$system['pending'] = 0;
$system['contact-type'] = Contact::TYPE_RELAY; // In AP this is translated to 'Application'
$system['name-date'] = DateTimeFormat::utcNow();
$system['uri-date'] = DateTimeFormat::utcNow();
$system['avatar-date'] = DateTimeFormat::utcNow();
$system['closeness'] = 0;
$system['baseurl'] = DI::baseUrl();
$system['gsid'] = GServer::getID($system['baseurl']);
DBA::insert('contact', $system);
}
/**
* Detect a usable actor name
*
* @return string actor account name
*/
public static function getActorName()
{
$system_actor_name = DI::config()->get('system', 'actor_name');
if (!empty($system_actor_name)) {
$self = Contact::selectFirst(['nick'], ['uid' => 0, 'self' => true]);
if (!empty($self['nick'])) {
if ($self['nick'] != $system_actor_name) {
// Reset the actor name to the already used name
DI::config()->set('system', 'actor_name', $self['nick']);
$system_actor_name = $self['nick'];
}
}
return $system_actor_name;
}
// List of possible actor names
$possible_accounts = ['friendica', 'actor', 'system', 'internal'];
foreach ($possible_accounts as $name) {
if (!DBA::exists('user', ['nickname' => $name, 'account_removed' => false, 'expire']) &&
!DBA::exists('userd', ['username' => $name])) {
DI::config()->set('system', 'actor_name', $name);
return $name;
}
}
return '';
}
/**
* Returns true if a user record exists with the provided id
*
@ -588,15 +687,24 @@ class User
public static function isNicknameBlocked($nickname)
{
$forbidden_nicknames = DI::config()->get('system', 'forbidden_nicknames', '');
if (!empty($forbidden_nicknames)) {
$forbidden = explode(',', $forbidden_nicknames);
$forbidden = array_map('trim', $forbidden);
} else {
$forbidden = [];
}
// if the config variable is empty return false
if (empty($forbidden_nicknames)) {
// Add the name of the internal actor to the "forbidden" list
$actor_name = self::getActorName();
if (!empty($actor_name)) {
$forbidden[] = $actor_name;
}
if (empty($forbidden)) {
return false;
}
// check if the nickname is in the list of blocked nicknames
$forbidden = explode(',', $forbidden_nicknames);
$forbidden = array_map('trim', $forbidden);
if (in_array(strtolower($nickname), $forbidden)) {
return true;
}