wamo/gnu-social
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[ActivityPub] Slightly increase robustness on exception handling

Browse Source 
Also ported Activitypub_rsa to PHP7
Minor indentation fixes
This commit is contained in:
Diogo Cordeiro 2019-10-11 17:08:37 +01:00 committed by Diogo Peralta Cordeiro
parent c93049d0da
commit 174733edc8
4 changed files with 178 additions and 128 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
plugins/ActivityPub/actions/apinbox.php
View File

@ -57,15 +57,33 @@ class apInboxAction extends ManagedAction
common_debug('ActivityPub Inbox: Received a POST request.'); common_debug('ActivityPub Inbox: Received a POST request.');
$body = $data = file_get_contents('php://input'); $body = $data = file_get_contents('php://input');
common_debug('ActivityPub Inbox: Request contents: '.$data); common_debug('ActivityPub Inbox: Request contents: ' . $data);
$data = json_decode(file_get_contents('php://input'), true); $data = json_decode(file_get_contents('php://input'), true);
if (!isset($data['actor'])) { if (!isset($data['actor'])) {
ActivityPubReturn::error('Actor not found in the request.'); ActivityPubReturn::error('Actor not found in the request.');
} }
try {
$actor = Activitypub_explorer::get_profile_from_url($data['actor']); $actor = Activitypub_explorer::get_profile_from_url($data['actor']);
} catch (HTTP_Request2_Exception $e) {
ActivityPubReturn::error('Failed to retrieve remote actor information.');
} catch (NoProfileException $e) {
// Assert: This won't happen.
common_log(LOG_ERR, 'PLEASE REPORT THIS: ActivityPub Inbox Handler failed with NoProfileException while retrieving remote actor information: ' . $e->getMessage());
ActivityPubReturn::error('An unknown error has occurred. This was logged, please alert the sysadmin.');
} catch (ServerException $e) {
ActivityPubReturn::error('Could not store this remote actor.');
} catch (Exception $e) {
ActivityPubReturn::error('Invalid actor.');
}
try {
$aprofile = Activitypub_profile::from_profile($actor); $aprofile = Activitypub_profile::from_profile($actor);
} catch (Exception $e) {
// Assert: This won't happen.
common_log(LOG_ERR, 'PLEASE REPORT THIS: ActivityPub Inbox Handler failed while retrieving AProfile from Profile: ' . $e->getMessage());
ActivityPubReturn::error('An unknown error has occurred. This was logged, please alert the sysadmin.');
}
$actor_public_key = new Activitypub_rsa(); $actor_public_key = new Activitypub_rsa();
$actor_public_key = $actor_public_key->ensure_public_key($actor); $actor_public_key = $actor_public_key->ensure_public_key($actor);
@ -73,7 +91,7 @@ class apInboxAction extends ManagedAction
common_debug('ActivityPub Inbox: HTTP Signature: Validation will now start!'); common_debug('ActivityPub Inbox: HTTP Signature: Validation will now start!');
$headers = $this->get_all_headers(); $headers = $this->get_all_headers();
common_debug('ActivityPub Inbox: Request Headers: '.print_r($headers, true)); common_debug('ActivityPub Inbox: Request Headers: ' . print_r($headers, true));
if (!isset($headers['signature'])) { if (!isset($headers['signature'])) {
common_debug('ActivityPub Inbox: HTTP Signature: Missing Signature header.'); common_debug('ActivityPub Inbox: HTTP Signature: Missing Signature header.');
@ -82,25 +100,33 @@ class apInboxAction extends ManagedAction
// Extract the signature properties // Extract the signature properties
$signatureData = HTTPSignature::parseSignatureHeader($headers['signature']); $signatureData = HTTPSignature::parseSignatureHeader($headers['signature']);
common_debug('ActivityPub Inbox: HTTP Signature Data: '.print_r($signatureData, true)); common_debug('ActivityPub Inbox: HTTP Signature Data: ' . print_r($signatureData, true));
if (isset($signatureData['error'])) { if (isset($signatureData['error'])) {
common_debug('ActivityPub Inbox: HTTP Signature: '.json_encode($signatureData, true)); common_debug('ActivityPub Inbox: HTTP Signature: ' . json_encode($signatureData, true));
ActivityPubReturn::error(json_encode($signatureData, true), 400); ActivityPubReturn::error(json_encode($signatureData, true), 400);
} }
list($verified, $headers) = HTTPSignature::verify($actor_public_key, $signatureData, $headers, $path, $body); list($verified, $headers) = HTTPSignature::verify($actor_public_key, $signatureData, $headers, $path, $body);
// If the signature fails verification the first time, update profile as it might have change public key // If the signature fails verification the first time, update profile as it might have changed public key
if($verified !== 1) { if ($verified !== 1) {
try {
$res = Activitypub_explorer::get_remote_user_activity($aprofile->getUri()); $res = Activitypub_explorer::get_remote_user_activity($aprofile->getUri());
} catch (Exception $e) {
ActivityPubReturn::error('Invalid remote actor.');
}
try {
$actor = Activitypub_profile::update_profile($aprofile, $res); $actor = Activitypub_profile::update_profile($aprofile, $res);
} catch (Exception $e) {
ActivityPubReturn::error('Failed to updated remote actor information.');
}
$actor_public_key = new Activitypub_rsa(); $actor_public_key = new Activitypub_rsa();
$actor_public_key = $actor_public_key->ensure_public_key($actor); $actor_public_key = $actor_public_key->ensure_public_key($actor);
list($verified, $headers) = HTTPSignature::verify($actor_public_key, $signatureData, $headers, $path, $body); list($verified, /*$headers*/) = HTTPSignature::verify($actor_public_key, $signatureData, $headers, $path, $body);
} }
// If it still failed despite profile update // If it still failed despite profile update
if($verified !== 1) { if ($verified !== 1) {
common_debug('ActivityPub Inbox: HTTP Signature: Invalid signature.'); common_debug('ActivityPub Inbox: HTTP Signature: Invalid signature.');
ActivityPubReturn::error('Invalid signature.'); ActivityPubReturn::error('Invalid signature.');
} }

64
plugins/ActivityPub/classes/Activitypub_profile.php
View File

@ -53,8 +53,8 @@ class Activitypub_profile extends Managed_DataObject
/** /**
* Return table definition for Schema setup and DB_DataObject usage. * Return table definition for Schema setup and DB_DataObject usage.
* *
* @author Diogo Cordeiro <diogo@fc.up.pt>
* @return array array of column definitions * @return array array of column definitions
* @author Diogo Cordeiro <diogo@fc.up.pt>
*/ */
public static function schemaDef() public static function schemaDef()
{ {
@ -81,6 +81,7 @@ class Activitypub_profile extends Managed_DataObject
* @return array array to be used in a response * @return array array to be used in a response
* @throws InvalidUrlException * @throws InvalidUrlException
* @throws ServerException * @throws ServerException
* @throws Exception
* @author Diogo Cordeiro <diogo@fc.up.pt> * @author Diogo Cordeiro <diogo@fc.up.pt>
*/ */
public static function profile_to_array($profile) public static function profile_to_array($profile)
@ -111,7 +112,7 @@ class Activitypub_profile extends Managed_DataObject
'url' => $profile->getUrl(), 'url' => $profile->getUrl(),
'manuallyApprovesFollowers' => false, 'manuallyApprovesFollowers' => false,
'publicKey' => [ 'publicKey' => [
'id' => $uri."#public-key", 'id' => $uri . "#public-key",
'owner' => $uri, 'owner' => $uri,
'publicKeyPem' => $public_key 'publicKeyPem' => $public_key
], ],
@ -140,9 +141,9 @@ class Activitypub_profile extends Managed_DataObject
/** /**
* Insert the current object variables into the database * Insert the current object variables into the database
* *
* @throws ServerException
* @author Diogo Cordeiro <diogo@fc.up.pt> * @author Diogo Cordeiro <diogo@fc.up.pt>
* @access public * @access public
* @throws ServerException
*/ */
public function do_insert() public function do_insert()
{ {
@ -179,7 +180,7 @@ class Activitypub_profile extends Managed_DataObject
/** /**
* Fetch the locally stored profile for this Activitypub_profile * Fetch the locally stored profile for this Activitypub_profile
* *
* @return Profile * @return get_called_class
* @throws NoProfileException if it was not found * @throws NoProfileException if it was not found
* @author Diogo Cordeiro <diogo@fc.up.pt> * @author Diogo Cordeiro <diogo@fc.up.pt>
*/ */
@ -195,10 +196,10 @@ class Activitypub_profile extends Managed_DataObject
/** /**
* Generates an Activitypub_profile from a Profile * Generates an Activitypub_profile from a Profile
* *
* @author Diogo Cordeiro <diogo@fc.up.pt>
* @param Profile $profile * @param Profile $profile
* @return Activitypub_profile * @return Activitypub_profile
* @throws Exception if no Activitypub_profile exists for given Profile * @throws Exception if no Activitypub_profile exists for given Profile
* @author Diogo Cordeiro <diogo@fc.up.pt>
*/ */
public static function from_profile(Profile $profile) public static function from_profile(Profile $profile)
{ {
@ -211,7 +212,7 @@ class Activitypub_profile extends Managed_DataObject
// create one! // create one!
$aprofile = self::create_from_local_profile($profile); $aprofile = self::create_from_local_profile($profile);
} else { } else {
throw new Exception('No Activitypub_profile for Profile ID: '.$profile_id. ', this is a local user.'); throw new Exception('No Activitypub_profile for Profile ID: ' . $profile_id . ', this is a local user.');
} }
} }
@ -229,7 +230,8 @@ class Activitypub_profile extends Managed_DataObject
return $aprofile; return $aprofile;
} }
public static function from_profile_collection(array $profiles): array { public static function from_profile_collection(array $profiles): array
{
$ap_profiles = []; $ap_profiles = [];
foreach ($profiles as $profile) { foreach ($profiles as $profile) {
@ -251,6 +253,8 @@ class Activitypub_profile extends Managed_DataObject
* @param Profile $profile * @param Profile $profile
* @return Activitypub_profile * @return Activitypub_profile
* @throws HTTP_Request2_Exception * @throws HTTP_Request2_Exception
* @throws Exception
* @throws Exception
* @author Diogo Cordeiro <diogo@fc.up.pt> * @author Diogo Cordeiro <diogo@fc.up.pt>
*/ */
private static function create_from_local_profile(Profile $profile) private static function create_from_local_profile(Profile $profile)
@ -283,8 +287,8 @@ class Activitypub_profile extends Managed_DataObject
/** /**
* Returns sharedInbox if possible, inbox otherwise * Returns sharedInbox if possible, inbox otherwise
* *
* @author Diogo Cordeiro <diogo@fc.up.pt>
* @return string Inbox URL * @return string Inbox URL
* @author Diogo Cordeiro <diogo@fc.up.pt>
*/ */
public function get_inbox() public function get_inbox()
{ {
@ -298,8 +302,8 @@ class Activitypub_profile extends Managed_DataObject
/** /**
* Getter for uri property * Getter for uri property
* *
* @author Diogo Cordeiro <diogo@fc.up.pt>
* @return string URI * @return string URI
* @author Diogo Cordeiro <diogo@fc.up.pt>
*/ */
public function getUri() public function getUri()
{ {
@ -309,8 +313,8 @@ class Activitypub_profile extends Managed_DataObject
/** /**
* Getter for url property * Getter for url property
* *
* @author Diogo Cordeiro <diogo@fc.up.pt>
* @return string URL * @return string URL
* @author Diogo Cordeiro <diogo@fc.up.pt>
*/ */
public function getUrl() public function getUrl()
{ {
@ -320,8 +324,8 @@ class Activitypub_profile extends Managed_DataObject
/** /**
* Getter for id property * Getter for id property
* *
* @author Diogo Cordeiro <diogo@fc.up.pt>
* @return int * @return int
* @author Diogo Cordeiro <diogo@fc.up.pt>
*/ */
public function getID() public function getID()
{ {
@ -352,11 +356,11 @@ class Activitypub_profile extends Managed_DataObject
* This should never return null -- you will either get an object or * This should never return null -- you will either get an object or
* an exception will be thrown. * an exception will be thrown.
* *
* @author GNU social
* @author Diogo Cordeiro <diogo@fc.up.pt>
* @param string $addr WebFinger address * @param string $addr WebFinger address
* @return Activitypub_profile * @return Activitypub_profile
* @throws Exception on error conditions * @throws Exception on error conditions
* @author Diogo Cordeiro <diogo@fc.up.pt>
* @author GNU social
*/ */
public static function ensure_webfinger($addr) public static function ensure_webfinger($addr)
{ {
@ -441,7 +445,7 @@ class Activitypub_profile extends Managed_DataObject
* @param Activitypub_profile $aprofile * @param Activitypub_profile $aprofile
* @param array $res remote response * @param array $res remote response
* @return Profile remote Profile object * @return Profile remote Profile object
* @throws Exception * @throws NoProfileException
* @author Diogo Cordeiro <diogo@fc.up.pt> * @author Diogo Cordeiro <diogo@fc.up.pt>
*/ */
public static function update_profile($aprofile, $res) public static function update_profile($aprofile, $res)
@ -482,7 +486,7 @@ class Activitypub_profile extends Managed_DataObject
Activitypub_explorer::update_avatar($profile, $res['icon']['url']); Activitypub_explorer::update_avatar($profile, $res['icon']['url']);
} catch (Exception $e) { } catch (Exception $e) {
// Let the exception go, it isn't a serious issue // Let the exception go, it isn't a serious issue
common_debug('An error ocurred while grabbing remote avatar'.$e->getMessage()); common_debug('An error ocurred while grabbing remote avatar' . $e->getMessage());
} }
} }
@ -497,7 +501,8 @@ class Activitypub_profile extends Managed_DataObject
* @return int number of subscribers * @return int number of subscribers
* @author Bruno Casteleiro <brunoccast@fc.up.pt> * @author Bruno Casteleiro <brunoccast@fc.up.pt>
*/ */
public static function subscriberCount(Profile $profile): int { public static function subscriberCount(Profile $profile): int
{
$cnt = self::cacheGet(sprintf('activitypub_profile:subscriberCount:%d', $profile->id)); $cnt = self::cacheGet(sprintf('activitypub_profile:subscriberCount:%d', $profile->id));
if ($cnt !== false && is_int($cnt)) { if ($cnt !== false && is_int($cnt)) {
@ -523,7 +528,8 @@ class Activitypub_profile extends Managed_DataObject
* @return int number of subscriptions * @return int number of subscriptions
* @author Bruno Casteleiro <brunoccast@fc.up.pt> * @author Bruno Casteleiro <brunoccast@fc.up.pt>
*/ */
public static function subscriptionCount(Profile $profile): int { public static function subscriptionCount(Profile $profile): int
{
$cnt = self::cacheGet(sprintf('activitypub_profile:subscriptionCount:%d', $profile->id)); $cnt = self::cacheGet(sprintf('activitypub_profile:subscriptionCount:%d', $profile->id));
if ($cnt !== false && is_int($cnt)) { if ($cnt !== false && is_int($cnt)) {
@ -541,19 +547,21 @@ class Activitypub_profile extends Managed_DataObject
return $cnt; return $cnt;
} }
public static function updateSubscriberCount(Profile $profile, $adder) { public static function updateSubscriberCount(Profile $profile, $adder)
{
$cnt = self::cacheGet(sprintf('activitypub_profile:subscriberCount:%d', $profile->id)); $cnt = self::cacheGet(sprintf('activitypub_profile:subscriberCount:%d', $profile->id));
if ($cnt !== false && is_int($cnt)) { if ($cnt !== false && is_int($cnt)) {
self::cacheSet(sprintf('activitypub_profile:subscriberCount:%d', $profile->id), $cnt+$adder); self::cacheSet(sprintf('activitypub_profile:subscriberCount:%d', $profile->id), $cnt + $adder);
} }
} }
public static function updateSubscriptionCount(Profile $profile, $adder) { public static function updateSubscriptionCount(Profile $profile, $adder)
{
$cnt = self::cacheGet(sprintf('activitypub_profile:subscriptionCount:%d', $profile->id)); $cnt = self::cacheGet(sprintf('activitypub_profile:subscriptionCount:%d', $profile->id));
if ($cnt !== false && is_int($cnt)) { if ($cnt !== false && is_int($cnt)) {
self::cacheSet(sprintf('activitypub_profile:subscriptionCount:%d', $profile->id), $cnt+$adder); self::cacheSet(sprintf('activitypub_profile:subscriptionCount:%d', $profile->id), $cnt + $adder);
} }
} }
@ -567,7 +575,8 @@ class Activitypub_profile extends Managed_DataObject
* @return array subscriber profile objects * @return array subscriber profile objects
* @author Bruno Casteleiro <brunoccast@fc.up.pt> * @author Bruno Casteleiro <brunoccast@fc.up.pt>
*/ */
public static function getSubscribers(Profile $profile, $offset = 0, $limit = null): array { public static function getSubscribers(Profile $profile, $offset = 0, $limit = null): array
{
$cache = false; $cache = false;
if ($offset + $limit <= Subscription::CACHE_WINDOW) { if ($offset + $limit <= Subscription::CACHE_WINDOW) {
$subs = self::cacheGet(sprintf('activitypub_profile:subscriberCollection:%d', $profile->id)); $subs = self::cacheGet(sprintf('activitypub_profile:subscriberCollection:%d', $profile->id));
@ -612,7 +621,8 @@ class Activitypub_profile extends Managed_DataObject
* @return array subscribed profile objects * @return array subscribed profile objects
* @author Bruno Casteleiro <brunoccast@fc.up.pt> * @author Bruno Casteleiro <brunoccast@fc.up.pt>
*/ */
public static function getSubscribed(Profile $profile, $offset = 0, $limit = null): array { public static function getSubscribed(Profile $profile, $offset = 0, $limit = null): array
{
$cache = false; $cache = false;
if ($offset + $limit <= Subscription::CACHE_WINDOW) { if ($offset + $limit <= Subscription::CACHE_WINDOW) {
$subs = self::cacheGet(sprintf('activitypub_profile:subscribedCollection:%d', $profile->id)); $subs = self::cacheGet(sprintf('activitypub_profile:subscribedCollection:%d', $profile->id));
@ -654,9 +664,11 @@ class Activitypub_profile extends Managed_DataObject
* @param Profile $actor subscriber profile object * @param Profile $actor subscriber profile object
* @param Profile $other subscribed profile object * @param Profile $other subscribed profile object
* @return void * @return void
* @throws Exception
* @author Bruno Casteleiro <brunoccast@fc.up.pt> * @author Bruno Casteleiro <brunoccast@fc.up.pt>
*/ */
public static function subscribeCacheUpdate(Profile $actor, Profile $other) { public static function subscribeCacheUpdate(Profile $actor, Profile $other)
{
self::blow('activitypub_profile:subscribedCollection:%d', $actor->getID()); self::blow('activitypub_profile:subscribedCollection:%d', $actor->getID());
self::blow('activitypub_profile:subscriberCollection:%d', $other->id); self::blow('activitypub_profile:subscriberCollection:%d', $other->id);
self::updateSubscriptionCount($actor, +1); self::updateSubscriptionCount($actor, +1);
@ -670,9 +682,11 @@ class Activitypub_profile extends Managed_DataObject
* @param Profile $actor subscriber profile object * @param Profile $actor subscriber profile object
* @param Profile $other subscribed profile object * @param Profile $other subscribed profile object
* @return void * @return void
* @throws Exception
* @author Bruno Casteleiro <brunoccast@fc.up.pt> * @author Bruno Casteleiro <brunoccast@fc.up.pt>
*/ */
public static function unsubscribeCacheUpdate(Profile $actor, Profile $other) { public static function unsubscribeCacheUpdate(Profile $actor, Profile $other)
{
self::blow('activitypub_profile:subscribedCollection:%d', $actor->getID()); self::blow('activitypub_profile:subscribedCollection:%d', $actor->getID());
self::blow('activitypub_profile:subscriberCollection:%d', $other->id); self::blow('activitypub_profile:subscriberCollection:%d', $other->id);
self::updateSubscriptionCount($actor, -1); self::updateSubscriptionCount($actor, -1);

27
plugins/ActivityPub/classes/Activitypub_rsa.php
View File

@ -46,8 +46,8 @@ class Activitypub_rsa extends Managed_DataObject
/** /**
* Return table definition for Schema setup and DB_DataObject usage. * Return table definition for Schema setup and DB_DataObject usage.
* *
* @author Diogo Cordeiro <diogo@fc.up.pt>
* @return array array of column definitions * @return array array of column definitions
* @author Diogo Cordeiro <diogo@fc.up.pt>
*/ */
public static function schemaDef() public static function schemaDef()
{ {
@ -66,7 +66,15 @@ class Activitypub_rsa extends Managed_DataObject
]; ];
} }
public function get_private_key($profile) /**
* Private key getter
*
* @param Profile $profile
* @return string
* @throws ServerException
* @throws Exception
*/
public function get_private_key(Profile $profile): string
{ {
$this->profile_id = $profile->getID(); $this->profile_id = $profile->getID();
$apRSA = self::getKV('profile_id', $this->profile_id); $apRSA = self::getKV('profile_id', $this->profile_id);
@ -90,9 +98,10 @@ class Activitypub_rsa extends Managed_DataObject
* @param bool $fetch * @param bool $fetch
* @return string The public key * @return string The public key
* @throws ServerException It should never occur, but if so, we break everything! * @throws ServerException It should never occur, but if so, we break everything!
* @throws Exception
* @author Diogo Cordeiro <diogo@fc.up.pt> * @author Diogo Cordeiro <diogo@fc.up.pt>
*/ */
public function ensure_public_key($profile, $fetch = true) public function ensure_public_key(Profile $profile, bool $fetch = true): string
{ {
$this->profile_id = $profile->getID(); $this->profile_id = $profile->getID();
$apRSA = self::getKV('profile_id', $this->profile_id); $apRSA = self::getKV('profile_id', $this->profile_id);
@ -119,11 +128,11 @@ class Activitypub_rsa extends Managed_DataObject
/** /**
* Insert the current object variables into the database. * Insert the current object variables into the database.
* *
* @throws ServerException
* @author Diogo Cordeiro <diogo@fc.up.pt> * @author Diogo Cordeiro <diogo@fc.up.pt>
* @access public * @access public
* @throws ServerException
*/ */
public function store_keys() public function store_keys(): void
{ {
$this->created = $this->modified = common_sql_now(); $this->created = $this->modified = common_sql_now();
$ok = $this->insert(); $ok = $this->insert();
@ -135,11 +144,11 @@ class Activitypub_rsa extends Managed_DataObject
/** /**
* Generates a pair of RSA keys. * Generates a pair of RSA keys.
* *
* @author PHP Manual Contributed Notes <dirt@awoms.com>
* @param string $private_key in/out * @param string $private_key in/out
* @param string $public_key in/out * @param string $public_key in/out
* @author PHP Manual Contributed Notes <dirt@awoms.com>
*/ */
public static function generate_keys(&$private_key, &$public_key) public static function generate_keys(string &$private_key, string &$public_key): void
{ {
$config = [ $config = [
'digest_alg' => 'sha512', 'digest_alg' => 'sha512',
@ -162,12 +171,12 @@ class Activitypub_rsa extends Managed_DataObject
/** /**
* Update public key. * Update public key.
* *
* @param Profile $profile * @param Profile|Activitypub_profile $profile
* @param string $public_key * @param string $public_key
* @throws Exception * @throws Exception
* @author Diogo Cordeiro <diogo@fc.up.pt> * @author Diogo Cordeiro <diogo@fc.up.pt>
*/ */
public static function update_public_key($profile, $public_key) public static function update_public_key($profile, string $public_key): void
{ {
// Public Key // Public Key
$apRSA = new Activitypub_rsa(); $apRSA = new Activitypub_rsa();

15
plugins/ActivityPub/lib/explorer.php
View File

@ -49,10 +49,10 @@ class Activitypub_explorer
* @param string $url * @param string $url
* @param bool $grab_online whether to try online grabbing, defaults to true * @param bool $grab_online whether to try online grabbing, defaults to true
* @return Profile * @return Profile
* @throws HTTP_Request2_Exception * @throws HTTP_Request2_Exception Network issues
* @throws NoProfileException * @throws NoProfileException This won't happen
* @throws Exception * @throws Exception Invalid request
* @throws ServerException * @throws ServerException Error storing remote actor
* @author Diogo Cordeiro <diogo@fc.up.pt> * @author Diogo Cordeiro <diogo@fc.up.pt>
*/ */
public static function get_profile_from_url($url, $grab_online = true) public static function get_profile_from_url($url, $grab_online = true)
@ -171,6 +171,7 @@ class Activitypub_explorer
// Is this a known filthy little mudblood? // Is this a known filthy little mudblood?
$aprofile = self::get_aprofile_by_url($uri); $aprofile = self::get_aprofile_by_url($uri);
if ($aprofile instanceof Activitypub_profile) { if ($aprofile instanceof Activitypub_profile) {
// Assert: This AProfile has a Profile, no try catch.
$profile = $aprofile->local_profile(); $profile = $aprofile->local_profile();
common_debug('ActivityPub Explorer: Found a local Aprofile for ' . $uri); common_debug('ActivityPub Explorer: Found a local Aprofile for ' . $uri);
// We found something! // We found something!
@ -184,7 +185,7 @@ class Activitypub_explorer
$ACTIVITYPUB_BASE_ACTOR_URI_length = strlen(ACTIVITYPUB_BASE_ACTOR_URI); $ACTIVITYPUB_BASE_ACTOR_URI_length = strlen(ACTIVITYPUB_BASE_ACTOR_URI);
if (substr($uri, 0, $ACTIVITYPUB_BASE_ACTOR_URI_length) == ACTIVITYPUB_BASE_ACTOR_URI) { if (substr($uri, 0, $ACTIVITYPUB_BASE_ACTOR_URI_length) == ACTIVITYPUB_BASE_ACTOR_URI) {
try { try {
$profile = Profile::getByID(intval(substr($uri, $ACTIVITYPUB_BASE_ACTOR_URI_length))); $profile = Profile::getByID((int)substr($uri, $ACTIVITYPUB_BASE_ACTOR_URI_length));
common_debug('ActivityPub Explorer: Found a Profile for ' . $uri); common_debug('ActivityPub Explorer: Found a Profile for ' . $uri);
// We found something! // We found something!
$this->discovered_actor_profiles[] = $profile; $this->discovered_actor_profiles[] = $profile;
@ -462,8 +463,8 @@ class Activitypub_explorer
* profile updating and shall not be used for anything else) * profile updating and shall not be used for anything else)
* *
* @param string $url User's url * @param string $url User's url
* @return mixed * @return array
* @throws Exception * @throws Exception Either network issues or unsupported Activity format
* @author Diogo Cordeiro <diogo@fc.up.pt> * @author Diogo Cordeiro <diogo@fc.up.pt>
*/ */
public static function get_remote_user_activity($url) public static function get_remote_user_activity($url)