* Record the given set of hash tags in the db for this notice.
* Given tag strings will be normalized and checked for dupes.
*/
- function saveKnownTags($hashtags)
+ function saveKnownTags(array $hashtags)
{
//turn each into their canonical tag
//this is needed to remove dupes before saving e.g. #hash.tag = #hashtag
* @return Notice
* @throws ClientException
*/
- static function saveNew($profile_id, $content, $source, array $options=null) {
+ static function saveNew($profile_id, $content, $source, array $options=array()) {
$defaults = array('uri' => null,
'url' => null,
'conversation' => null, // URI of conversation
'object_type' => null,
'verb' => null);
- if (!empty($options) && is_array($options)) {
+ /*
+ * Above type-hint is already array, so simply count it, this saves
+ * "some" CPU cycles.
+ */
+ if (count($options) > 0) {
$options = array_merge($defaults, $options);
- extract($options);
- } else {
- extract($defaults);
}
+ extract($options);
+
if (!isset($is_local)) {
$is_local = Notice::LOCAL_PUBLIC;
}
throw new ClientException(_('You cannot repeat your own notice.'));
}
- if ($repeat->scope != Notice::SITE_SCOPE &&
- $repeat->scope != Notice::PUBLIC_SCOPE) {
+ if ($repeat->isPrivateScope()) {
// TRANS: Client error displayed when trying to repeat a non-public notice.
throw new ClientException(_('Cannot repeat a private notice.'), 403);
}
*
* @return void
*/
- function saveKnownUrls($urls)
+ function saveKnownUrls(array $urls)
{
if (common_config('attachments', 'process_links')) {
// @fixme validation?
return $this->_attachments[$this->id];
}
- function _setAttachments($attachments)
+ function _setAttachments(array $attachments)
{
$this->_attachments[$this->id] = $attachments;
}
return $this->_replies[$this->getID()];
}
- function _setReplies($replies)
+ function _setReplies(array $replies)
{
$this->_replies[$this->getID()] = $replies;
}
}
$groups = User_group::multiGet('id', $ids);
- $this->_groups[$this->id] = $groups->fetchAll();
+ $this->_setGroups($groups->fetchAll());
return $this->_groups[$this->id];
}
- function _setGroups($groups)
+ function _setGroups(array $groups)
{
$this->_groups[$this->id] = $groups;
}
*/
public function getTags()
{
+ // Check default scope (non-private notices)
+ $inScope = (!$this->isPrivateScope());
+
+ // Get current profile
+ $profile = Profile::current();
+
+ // Is the general scope check okay and the user in logged in?
+ //* NOISY-DEBUG: */ common_debug('[' . __METHOD__ . ':' . __LINE__ . ']: inScope=' . intval($inScope) . ',profile[]=' . gettype($profile));
+ if (($inScope === TRUE) && ($profile instanceof Profile)) {
+ /*
+ * Check scope, else a privacy leaks happens this way:
+ *
+ * 1) Bob and Alice follow each other and write private notices
+ * (this->scope=2) to each other.
+ * 2) Bob uses tags in his private notice to alice (which she can
+ * read from him).
+ * 3) Alice adds that notice (with tags) to her favorites
+ * ("faving") it.
+ * 4) The tags from Bob's private notice becomes visible in Alice's
+ * profile.
+ *
+ * This has the simple background that the scope is not being
+ * re-checked. This has to be done here at this point because given
+ * above scenario is a privacy leak as the tags may be *really*
+ * private (nobody else shall see them) such as initmate words or
+ * very political words.
+ */
+ $inScope = $this->inScope($profile);
+ //* NOISY-DEBUG: */ common_debug('[' . __METHOD__ . ':' . __LINE__ . ']: inScope=' . intval($inScope) . ' - After inScope() has been called.');
+ }
+
$tags = array();
$keypart = sprintf('notice:tags:%d', $this->id);
} else {
$tag = new Notice_tag();
$tag->notice_id = $this->id;
- if ($tag->find()) {
+
+ // Check scope for privacy-leak protection (see some lines above why)
+ if (($inScope === TRUE) && ($tag->find())) {
while ($tag->fetch()) {
$tags[] = $tag->tag;
}
($this->is_local != Notice::GATEWAY));
}
+ public function isPrivateScope () {
+ return ($this->scope != Notice::SITE_SCOPE &&
+ $this->scope != Notice::PUBLIC_SCOPE);
+ }
+
/**
* Check that the given profile is allowed to read, respond to, or otherwise
* act on this notice.
*
* @return boolean whether the profile is in the notice's scope
*/
- function inScope($profile)
+ function inScope(Profile $profile=null)
{
if (is_null($profile)) {
$keypart = sprintf('notice:in-scope-for:%d:null', $this->id);
return ($result == 1) ? true : false;
}
- protected function _inScope($profile)
+ protected function _inScope(Profile $profile=null)
{
$scope = is_null($this->scope) ? self::defaultScope() : $this->getScope();
return !$this->isHiddenSpam($profile);
}
- function isHiddenSpam($profile) {
+ function isHiddenSpam(Profile $profile=null) {
// Hide posts by silenced users from everyone but moderators.
return $scope;
}
- static function fillProfiles($notices)
+ static function fillProfiles(array $notices)
{
$map = self::getProfiles($notices);
foreach ($notices as $entry=>$notice) {
return array_values($map);
}
- static function getProfiles(&$notices)
+ static function getProfiles(array &$notices)
{
$ids = array();
foreach ($notices as $notice) {
return Profile::pivotGet('id', $ids);
}
- static function fillGroups(&$notices)
+ static function fillGroups(array &$notices)
{
$ids = self::_idsOf($notices);
$gis = Group_inbox::listGet('notice_id', $ids);
return array_keys($ids);
}
- static function fillAttachments(&$notices)
+ static function fillAttachments(array &$notices)
{
$ids = self::_idsOf($notices);
$f2pMap = File_to_post::listGet('post_id', $ids);
}
}
- static function fillReplies(&$notices)
+ static function fillReplies(array &$notices)
{
$ids = self::_idsOf($notices);
$replyMap = Reply::listGet('notice_id', $ids);
}
}
+ /**
+ * Checks whether the current profile is allowed (in scope) to see this notice.
+ *
+ * @return $inScope Whether the current profile is allowed to see this notice
+ */
+ function isCurrentProfileInScope () {
+ // Check scope, default is allowed
+ $inScope = TRUE;
+
+ //* NOISY-DEBUG: */ common_debug('[' . __METHOD__ . ':' . __LINE__ . '] this->tag=' . $this->tag . ',this->id=' . $this->id . ',this->scope=' . $this->scope);
+
+ // Is it private scope?
+ if ($this->isPrivateScope()) {
+ // 2) Get current profile
+ $profile = Profile::current();
+
+ // Is the profile not set?
+ if (!$profile instanceof Profile) {
+ // Public viewer shall not see a tag from a private dent (privacy leak)
+ //* NOISY-DEBUG: */ common_debug('[' . __METHOD__ . ':' . __LINE__ . '] Not logged in (public view).');
+ $inScope = FALSE;
+ } elseif (!$this->inScope($profile)) {
+ // Current profile is not in scope (not allowed to see) of notice
+ //* NOISY-DEBUG: */ common_debug('[' . __METHOD__ . ':' . __LINE__ . '] profile->id=' . $profile->id . ' is not allowed to see this notice.');
+ $inScope = FALSE;
+ }
+ }
+
+ // Return result
+ //* NOISY-DEBUG: */ common_debug('[' . __METHOD__ . ':' . __LINE__ . '] this->tag=' . $this->tag . ',this->weight=' . $this->weight . ',inScope=' . intval($inScope) . ' - EXIT!');
+ return $inScope;
+ }
+
static public function beforeSchemaUpdate()
{
$table = strtolower(get_called_class());