/**
* Retrieve Salmon keypair first by checking local database, but
* if it's not found, attempt discovery if it has been requested.
*
* @param Profile $profile The profile we're looking up keys for.
* @param boolean $discovery Network discovery if no local cache?
*/
public function getKeyPair(Profile $profile, $discovery = false)
{
if (!$profile->isLocal()) {
common_debug('Getting magic-public-key for non-local profile id==' . $profile->getID());
}
$magicsig = Magicsig::getKV('user_id', $profile->getID());
if ($discovery && !$magicsig instanceof Magicsig) {
if (!$profile->isLocal()) {
common_debug('magic-public-key not found, will do discovery for profile id==' . $profile->getID());
}
// Throws exception on failure, but does not try to _load_ the keypair string.
$keypair = $this->discoverKeyPair($profile);
$magicsig = new Magicsig();
$magicsig->user_id = $profile->getID();
$magicsig->importKeys($keypair);
// save the public key for this profile in our database.
// TODO: If the profile generates a new key remotely, we must be able to replace
// this (of course after callback-verification).
$magicsig->insert();
} elseif (!$magicsig instanceof Magicsig) {
// No discovery request, so we'll give up.
throw new ServerException(sprintf('No public key found for profile (id==%d)', $profile->id));
}
assert($magicsig->publicKey instanceof Crypt_RSA);
return $magicsig;
}
/**
* Build common remote-profile options structure.
* Currently only adds output for remote profiles, nothing for local users.
*
* @param HTMLOutputter $out
* @param Profile $profile
*/
protected function showProfileOptions(HTMLOutputter $out, Profile $profile)
{
if (!$profile->isGroup() && !$profile->isLocal()) {
$target = common_local_url('userbyid', array('id' => $profile->getID()));
// TRANS: Label for access to remote profile options.
$label = _m('Remote profile options...');
$out->elementStart('div', 'remote-profile-options');
$out->element('a', array('href' => $target), $label);
$out->elementEnd('div');
}
}
function onEndUnsubscribe(Profile $profile, Profile $other)
{
// Only do this if config is enabled
if (!$this->StopFollowUser) {
return true;
}
if (!$profile->isLocal()) {
return true;
}
// TRANS: Text for "stopped following" item in activity plugin.
// TRANS: %1$s is a profile URL, %2$s is a profile name,
// TRANS: %3$s is a profile URL, %4$s is a profile name.
$rendered = sprintf(_m('<a href="%1$s">%2$s</a> stopped following <a href="%3$s">%4$s</a>.'), $profile->getUrl(), $profile->getBestName(), $other->getUrl(), $other->getBestName());
// TRANS: Text for "stopped following" item in activity plugin.
// TRANS: %1$s is a profile name, %2$s is a profile URL,
// TRANS: %3$s is a profile name, %4$s is a profile URL.
$content = sprintf(_m('%1$s (%2$s) stopped following %3$s (%4$s).'), $profile->getBestName(), $profile->getUrl(), $other->getBestName(), $other->getUrl());
$uri = TagURI::mint('stop-following:%d:%d:%s', $profile->id, $other->id, common_date_iso8601(common_sql_now()));
$notice = Notice::saveNew($profile->id, $content, ActivityPlugin::SOURCE, array('rendered' => $rendered, 'urls' => array(), 'replies' => array($other->getUri()), 'uri' => $uri, 'verb' => ActivityVerb::UNFOLLOW, 'object_type' => ActivityObject::PERSON));
return true;
}
/**
* Saves an attention for a profile (user or group) which means
* it shows up in their home feed and such.
*/
function saveAttention(Profile $target, $reason = null)
{
if ($target->isGroup()) {
// FIXME: Make sure we check (for both local and remote) users are in the groups they send to!
// legacy notification method, will still be in use for quite a while I think
$this->addToGroupInbox($target->getGroup());
} else {
if ($target->hasBlocked($this->getProfile())) {
common_log(LOG_INFO, "Not saving reply to profile {$target->id} ({$uri}) from sender {$sender->id} because of a block.");
return false;
}
}
if ($target->isLocal()) {
// legacy notification method, will still be in use for quite a while I think
$this->saveReply($target->getID());
}
$att = Attention::saveNew($this, $target, $reason);
self::blow('reply:stream:%d', $target->getID());
return true;
}
public function onEndProfilePageActionsElements(HTMLOutputter $out, Profile $profile)
{
$scoped = Profile::current();
if (!$scoped instanceof Profile) {
return true;
}
if ($profile->isLocal() && $scoped->mutuallySubscribed($profile)) {
$out->elementStart('li', 'entity_send-a-message');
$out->element('a', array('href' => common_local_url('newmessage', array('to' => $profile->id)), 'title' => _('Send a direct message to this user.')), _m('BUTTON', 'Message'));
$out->elementEnd('li');
}
return true;
}
protected function addWebFingerPersonLinks(XML_XRD $xrd, Profile $target)
{
$xrd->links[] = new XML_XRD_Element_Link(Discovery::UPDATESFROM, common_local_url('ApiTimelineUser', array('id' => $target->id, 'format' => 'atom')), 'application/atom+xml');
// Get this profile's keypair
$magicsig = Magicsig::getKV('user_id', $target->id);
if (!$magicsig instanceof Magicsig && $target->isLocal()) {
$magicsig = Magicsig::generate($target->getUser());
}
if (!$magicsig instanceof Magicsig) {
return false;
// value doesn't mean anything, just figured I'd indicate this function didn't do anything
}
if (Event::handle('StartAttachPubkeyToUserXRD', array($magicsig, $xrd, $target))) {
$xrd->links[] = new XML_XRD_Element_Link(Magicsig::PUBLICKEYREL, 'data:application/magic-public-key,' . $magicsig->toString());
// The following event handles plugins like Diaspora which add their own version of the Magicsig pubkey
Event::handle('EndAttachPubkeyToUserXRD', array($magicsig, $xrd, $target));
}
}
static function saveActivity(Activity $act, Profile $actor, array $options = array())
{
// First check if we're going to let this Activity through from the specific actor
if (!$actor->hasRight(Right::NEWNOTICE)) {
common_log(LOG_WARNING, "Attempted post from user disallowed to post: " . $actor->getNickname());
// TRANS: Client exception thrown when a user tries to post while being banned.
throw new ClientException(_m('You are banned from posting notices on this site.'), 403);
}
if (common_config('throttle', 'enabled') && !self::checkEditThrottle($actor->id)) {
common_log(LOG_WARNING, 'Excessive posting by profile #' . $actor->id . '; throttled.');
// TRANS: Client exception thrown when a user tries to post too many notices in a given time frame.
throw new ClientException(_m('Too many notices too fast; take a breather ' . 'and post again in a few minutes.'));
}
// Get ActivityObject properties
if (!empty($act->id)) {
// implied object
$options['uri'] = $act->id;
$options['url'] = $act->link;
} else {
$actobj = count($act->objects) == 1 ? $act->objects[0] : null;
if (!is_null($actobj) && !empty($actobj->id)) {
$options['uri'] = $actobj->id;
if ($actobj->link) {
$options['url'] = $actobj->link;
} elseif (preg_match('!^https?://!', $actobj->id)) {
$options['url'] = $actobj->id;
}
}
}
$defaults = array('groups' => array(), 'is_local' => self::LOCAL_PUBLIC, 'mentions' => array(), 'reply_to' => null, 'repeat_of' => null, 'scope' => null, 'source' => 'unknown', 'tags' => array(), 'uri' => null, 'url' => null, 'urls' => array(), 'distribute' => true);
// options will have default values when nothing has been supplied
$options = array_merge($defaults, $options);
foreach (array_keys($defaults) as $key) {
// Only convert the keynames we specify ourselves from 'defaults' array into variables
${$key} = $options[$key];
}
extract($options, EXTR_SKIP);
$stored = new Notice();
if (!empty($uri)) {
$stored->uri = $uri;
if ($stored->find()) {
common_debug('cannot create duplicate Notice URI: ' . $stored->uri);
throw new Exception('Notice URI already exists');
}
}
$stored->profile_id = $actor->id;
$stored->source = $source;
$stored->uri = $uri;
$stored->url = $url;
$stored->verb = $act->verb;
// Use the local user's shortening preferences, if applicable.
$stored->rendered = $actor->isLocal() ? $actor->shortenLinks($act->content) : $act->content;
$stored->content = common_strip_html($stored->rendered);
$autosource = common_config('public', 'autosource');
// Sandboxed are non-false, but not 1, either
if (!$actor->hasRight(Right::PUBLICNOTICE) || $source && $autosource && in_array($source, $autosource)) {
$stored->is_local = Notice::LOCAL_NONPUBLIC;
}
// Maybe a missing act-time should be fatal if the actor is not local?
if (!empty($act->time)) {
$stored->created = common_sql_date($act->time);
} else {
$stored->created = common_sql_now();
}
$reply = null;
if ($act->context instanceof ActivityContext && !empty($act->context->replyToID)) {
$reply = self::getKV('uri', $act->context->replyToID);
}
if (!$reply instanceof Notice && $act->target instanceof ActivityObject) {
$reply = self::getKV('uri', $act->target->id);
}
if ($reply instanceof Notice) {
if (!$reply->inScope($actor)) {
// TRANS: Client error displayed when trying to reply to a notice a the target has no access to.
// TRANS: %1$s is a user nickname, %2$d is a notice ID (number).
throw new ClientException(sprintf(_m('%1$s has no right to reply to notice %2$d.'), $actor->getNickname(), $reply->id), 403);
}
$stored->reply_to = $reply->id;
$stored->conversation = $reply->conversation;
// If the original is private to a group, and notice has no group specified,
// make it to the same group(s)
if (empty($groups) && $reply->scope & Notice::GROUP_SCOPE) {
$groups = array();
$replyGroups = $reply->getGroups();
foreach ($replyGroups as $group) {
if ($actor->isMember($group)) {
$groups[] = $group->id;
}
}
}
if (is_null($scope)) {
$scope = $reply->scope;
}
}
if ($act->context instanceof ActivityContext) {
$location = $act->context->location;
if ($location) {
$stored->lat = $location->lat;
$stored->lon = $location->lon;
if ($location->location_id) {
$stored->location_ns = $location->location_ns;
$stored->location_id = $location->location_id;
}
}
} else {
$act->context = new ActivityContext();
}
$stored->scope = self::figureOutScope($actor, $groups, $scope);
foreach ($act->categories as $cat) {
if ($cat->term) {
$term = common_canonical_tag($cat->term);
if (!empty($term)) {
$tags[] = $term;
}
}
}
foreach ($act->enclosures as $href) {
// @todo FIXME: Save these locally or....?
$urls[] = $href;
}
if (Event::handle('StartNoticeSave', array(&$stored))) {
// XXX: some of these functions write to the DB
try {
$stored->insert();
// throws exception on error
$orig = clone $stored;
// for updating later in this try clause
$object = null;
Event::handle('StoreActivityObject', array($act, $stored, $options, &$object));
if (empty($object)) {
throw new ServerException('Unsuccessful call to StoreActivityObject ' . $stored->uri . ': ' . $act->asString());
}
// If it's not part of a conversation, it's
// the beginning of a new conversation.
if (empty($stored->conversation)) {
// $act->context->conversation will be null if it was not provided
$conv = Conversation::create($stored, $act->context->conversation);
$stored->conversation = $conv->id;
}
$stored->update($orig);
} catch (Exception $e) {
if (empty($stored->id)) {
common_debug('Failed to save stored object entry in database (' . $e->getMessage() . ')');
} else {
common_debug('Failed to store activity object in database (' . $e->getMessage() . '), deleting notice id ' . $stored->id);
$stored->delete();
}
throw $e;
}
}
if (!$stored instanceof Notice) {
throw new ServerException('StartNoticeSave did not give back a Notice');
}
// Save per-notice metadata...
$mentions = array();
$groups = array();
// This event lets plugins filter out non-local recipients (attentions we don't care about)
// Used primarily for OStatus (and if we don't federate, all attentions would be local anyway)
Event::handle('GetLocalAttentions', array($actor, $act->context->attention, &$mentions, &$groups));
if (!empty($mentions)) {
$stored->saveKnownReplies($mentions);
} else {
$stored->saveReplies();
}
if (!empty($tags)) {
$stored->saveKnownTags($tags);
} else {
$stored->saveTags();
}
// Note: groups may save tags, so must be run after tags are saved
// to avoid errors on duplicates.
// Note: groups should always be set.
$stored->saveKnownGroups($groups);
if (!empty($urls)) {
$stored->saveKnownUrls($urls);
} else {
$stored->saveUrls();
}
if ($distribute) {
// Prepare inbox delivery, may be queued to background.
$stored->distribute();
}
return $stored;
}
