gnu-social/plugins/Bookmark/BookmarkPlugin.php
2011-03-30 10:58:28 -04:00

799 lines
25 KiB
PHP

<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, Inc.
*
* A plugin to enable social-bookmarking functionality
*
* PHP version 5
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category SocialBookmark
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
exit(1);
}
/**
* Bookmark plugin main class
*
* @category Bookmark
* @package StatusNet
* @author Brion Vibber <brionv@status.net>
* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class BookmarkPlugin extends Plugin
{
const VERSION = '0.1';
const IMPORTDELICIOUS = 'BookmarkPlugin:IMPORTDELICIOUS';
/**
* Authorization for importing delicious bookmarks
*
* By default, everyone can import bookmarks except silenced people.
*
* @param Profile $profile Person whose rights to check
* @param string $right Right to check; const value
* @param boolean &$result Result of the check, writeable
*
* @return boolean hook value
*/
function onUserRightsCheck($profile, $right, &$result)
{
if ($right == self::IMPORTDELICIOUS) {
$result = !$profile->isSilenced();
return false;
}
return true;
}
/**
* Database schema setup
*
* @see Schema
* @see ColumnDef
*
* @return boolean hook value; true means continue processing, false means stop.
*/
function onCheckSchema()
{
$schema = Schema::get();
// For storing user-submitted flags on profiles
$schema->ensureTable('bookmark',
array(new ColumnDef('id',
'char',
36,
false,
'PRI'),
new ColumnDef('profile_id',
'integer',
null,
false,
'MUL'),
new ColumnDef('url',
'varchar',
255,
false,
'MUL'),
new ColumnDef('title',
'varchar',
255),
new ColumnDef('description',
'text'),
new ColumnDef('uri',
'varchar',
255,
false,
'UNI'),
new ColumnDef('created',
'datetime',
null,
false,
'MUL')));
return true;
}
/**
* When a notice is deleted, delete the related Bookmark
*
* @param Notice $notice Notice being deleted
*
* @return boolean hook value
*/
function onNoticeDeleteRelated($notice)
{
$nb = Bookmark::getByNotice($notice);
if (!empty($nb)) {
$nb->delete();
}
return true;
}
/**
* Show the CSS necessary for this plugin
*
* @param Action $action the action being run
*
* @return boolean hook value
*/
function onEndShowStyles($action)
{
$action->cssLink($this->path('bookmark.css'));
return true;
}
/**
* Load related modules when needed
*
* @param string $cls Name of the class to be loaded
*
* @return boolean hook value; true means continue processing, false means stop.
*/
function onAutoload($cls)
{
$dir = dirname(__FILE__);
switch ($cls)
{
case 'ShowbookmarkAction':
case 'NewbookmarkAction':
case 'BookmarkpopupAction':
case 'NoticebyurlAction':
case 'ImportdeliciousAction':
include_once $dir . '/' . strtolower(mb_substr($cls, 0, -6)) . '.php';
return false;
case 'Bookmark':
include_once $dir.'/'.$cls.'.php';
return false;
case 'BookmarkForm':
case 'DeliciousBackupImporter':
case 'DeliciousBookmarkImporter':
include_once $dir.'/'.strtolower($cls).'.php';
return false;
default:
return true;
}
}
/**
* Map URLs to actions
*
* @param Net_URL_Mapper $m path-to-action mapper
*
* @return boolean hook value; true means continue processing, false means stop.
*/
function onRouterInitialized($m)
{
$m->connect('main/bookmark/new',
array('action' => 'newbookmark'),
array('id' => '[0-9]+'));
$m->connect('main/bookmark/popup',
array('action' => 'bookmarkpopup'));
$m->connect('main/bookmark/import',
array('action' => 'importdelicious'));
$m->connect('bookmark/:id',
array('action' => 'showbookmark'),
array('id' => '[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}'));
$m->connect('notice/by-url/:id',
array('action' => 'noticebyurl'),
array('id' => '[0-9]+'));
return true;
}
/**
* Output the HTML for a bookmark in a list
*
* @param NoticeListItem $nli The list item being shown.
*
* @return boolean hook value
*/
function onStartShowNoticeItem($nli)
{
$nb = Bookmark::getByNotice($nli->notice);
if (!empty($nb)) {
$out = $nli->out;
$notice = $nli->notice;
$profile = $nli->profile;
$atts = $notice->attachments();
if (count($atts) < 1) {
// Something wrong; let default code deal with it.
return true;
}
$att = $atts[0];
// XXX: only show the bookmark URL for non-single-page stuff
if ($out instanceof ShowbookmarkAction) {
} else {
$out->elementStart('h3');
$out->element('a',
array('href' => $att->url,
'class' => 'bookmark-title entry-title'),
$nb->title);
$out->elementEnd('h3');
$countUrl = common_local_url('noticebyurl',
array('id' => $att->id));
$out->element('a', array('class' => 'bookmark-notice-count',
'href' => $countUrl),
$att->noticeCount());
}
// Replies look like "for:" tags
$replies = $nli->notice->getReplies();
$tags = $nli->notice->getTags();
if (!empty($replies) || !empty($tags)) {
$out->elementStart('ul', array('class' => 'bookmark-tags'));
foreach ($replies as $reply) {
$other = Profile::staticGet('id', $reply);
$out->elementStart('li');
$out->element('a', array('rel' => 'tag',
'href' => $other->profileurl,
'title' => $other->getBestName()),
sprintf('for:%s', $other->nickname));
$out->elementEnd('li');
$out->text(' ');
}
foreach ($tags as $tag) {
$out->elementStart('li');
$out->element('a',
array('rel' => 'tag',
'href' => Notice_tag::url($tag)),
$tag);
$out->elementEnd('li');
$out->text(' ');
}
$out->elementEnd('ul');
}
if (!empty($nb->description)) {
$out->element('p',
array('class' => 'bookmark-description'),
$nb->description);
}
if (common_config('attachments', 'show_thumbs')) {
$haveThumbs = false;
foreach ($atts as $check) {
$thumbnail = File_thumbnail::staticGet('file_id', $check->id);
if (!empty($thumbnail)) {
$haveThumbs = true;
break;
}
}
if ($haveThumbs) {
$al = new InlineAttachmentList($notice, $out);
$al->show();
}
}
$out->elementStart('div', array('class' => 'bookmark-info entry-content'));
$avatar = $profile->getAvatar(AVATAR_MINI_SIZE);
$out->element('img',
array('src' => ($avatar) ?
$avatar->displayUrl() :
Avatar::defaultImage(AVATAR_MINI_SIZE),
'class' => 'avatar photo bookmark-avatar',
'width' => AVATAR_MINI_SIZE,
'height' => AVATAR_MINI_SIZE,
'alt' => $profile->getBestName()));
$out->raw('&nbsp;');
$out->element('a',
array('href' => $profile->profileurl,
'title' => $profile->getBestName()),
$profile->nickname);
$nli->showNoticeLink();
$nli->showNoticeSource();
$nli->showNoticeLocation();
$nli->showContext();
$nli->showRepeat();
$out->elementEnd('div');
$nli->showNoticeOptions();
return false;
}
return true;
}
/**
* Render a notice as a Bookmark object
*
* @param Notice $notice Notice to render
* @param ActivityObject &$object Empty object to fill
*
* @return boolean hook value
*/
function onStartActivityObjectFromNotice($notice, &$object)
{
common_log(LOG_INFO,
"Checking {$notice->uri} to see if it's a bookmark.");
$nb = Bookmark::getByNotice($notice);
if (!empty($nb)) {
common_log(LOG_INFO,
"Formatting notice {$notice->uri} as a bookmark.");
$object->id = $notice->uri;
$object->type = ActivityObject::BOOKMARK;
$object->title = $nb->title;
$object->summary = $nb->description;
$object->link = $notice->bestUrl();
// Attributes of the URL
$attachments = $notice->attachments();
if (count($attachments) != 1) {
throw new ServerException(_('Bookmark notice with the '.
'wrong number of attachments.'));
}
$target = $attachments[0];
$attrs = array('rel' => 'related',
'href' => $target->url);
if (!empty($target->title)) {
$attrs['title'] = $target->title;
}
$object->extra[] = array('link', $attrs, null);
// Attributes of the thumbnail, if any
$thumbnail = $target->getThumbnail();
if (!empty($thumbnail)) {
$tattrs = array('rel' => 'preview',
'href' => $thumbnail->url);
if (!empty($thumbnail->width)) {
$tattrs['media:width'] = $thumbnail->width;
}
if (!empty($thumbnail->height)) {
$tattrs['media:height'] = $thumbnail->height;
}
$object->extra[] = array('link', $attrs, null);
}
return false;
}
return true;
}
/**
* Add our two queue handlers to the queue manager
*
* @param QueueManager $qm current queue manager
*
* @return boolean hook value
*/
function onEndInitializeQueueManager($qm)
{
$qm->connect('dlcsback', 'DeliciousBackupImporter');
$qm->connect('dlcsbkmk', 'DeliciousBookmarkImporter');
return true;
}
/**
* Plugin version data
*
* @param array &$versions array of version data
*
* @return value
*/
function onPluginVersion(&$versions)
{
$versions[] = array('name' => 'Bookmark',
'version' => self::VERSION,
'author' => 'Evan Prodromou',
'homepage' => 'http://status.net/wiki/Plugin:Bookmark',
'rawdescription' =>
_m('Simple extension for supporting bookmarks.'));
return true;
}
/**
* Load our document if requested
*
* @param string &$title Title to fetch
* @param string &$output HTML to output
*
* @return boolean hook value
*/
function onStartLoadDoc(&$title, &$output)
{
if ($title == 'bookmarklet') {
$filename = INSTALLDIR.'/plugins/Bookmark/bookmarklet';
$c = file_get_contents($filename);
$output = common_markup_to_html($c);
return false; // success!
}
return true;
}
/**
* Handle a posted bookmark from PuSH
*
* @param Activity $activity activity to handle
* @param Ostatus_profile $oprofile Profile for the feed
*
* @return boolean hook value
*/
function onStartHandleFeedEntryWithProfile($activity, $oprofile)
{
common_log(LOG_INFO, "BookmarkPlugin called for new feed entry.");
if (self::_isPostBookmark($activity)) {
common_log(LOG_INFO,
"Importing activity {$activity->id} as a bookmark.");
$author = $oprofile->checkAuthorship($activity);
if (empty($author)) {
throw new ClientException(_('Can\'t get author for activity.'));
}
self::_postRemoteBookmark($author,
$activity);
return false;
}
return true;
}
/**
* Handle a posted bookmark from Salmon
*
* @param Activity $activity activity to handle
* @param mixed $target user or group targeted
*
* @return boolean hook value
*/
function onStartHandleSalmonTarget($activity, $target)
{
if (self::_isPostBookmark($activity)) {
$this->log(LOG_INFO, "Checking {$activity->id} as a valid Salmon slap.");
if ($target instanceof User_group) {
$uri = $target->getUri();
if (!in_array($uri, $activity->context->attention)) {
throw new ClientException(_("Bookmark not posted ".
"to this group."));
}
} else if ($target instanceof User) {
$uri = $target->uri;
$original = null;
if (!empty($activity->context->replyToID)) {
$original = Notice::staticGet('uri',
$activity->context->replyToID);
}
if (!in_array($uri, $activity->context->attention) &&
(empty($original) ||
$original->profile_id != $target->id)) {
throw new ClientException(_("Bookmark not posted ".
"to this user."));
}
} else {
throw new ServerException(_("Don't know how to handle ".
"this kind of target."));
}
$author = Ostatus_profile::ensureActivityObjectProfile($activity->actor);
self::_postRemoteBookmark($author,
$activity);
return false;
}
return true;
}
/**
* Handle bookmark posted via AtomPub
*
* @param Activity &$activity Activity that was posted
* @param User $user User that posted it
* @param Notice &$notice Resulting notice
*
* @return boolean hook value
*/
function onStartAtomPubNewActivity(&$activity, $user, &$notice)
{
if (self::_isPostBookmark($activity)) {
$options = array('source' => 'atompub');
$notice = self::_postBookmark($user->getProfile(),
$activity,
$options);
return false;
}
return true;
}
/**
* Handle bookmark imported from a backup file
*
* @param User $user User to import for
* @param ActivityObject $author Original author per import file
* @param Activity $activity Activity to import
* @param boolean $trusted Is this a trusted user?
* @param boolean &$done Is this done (success or unrecoverable error)
*
* @return boolean hook value
*/
function onStartImportActivity($user, $author, $activity, $trusted, &$done)
{
if (self::_isPostBookmark($activity)) {
$bookmark = $activity->objects[0];
$this->log(LOG_INFO,
'Importing Bookmark ' . $bookmark->id .
' for user ' . $user->nickname);
$options = array('uri' => $bookmark->id,
'url' => $bookmark->link,
'source' => 'restore');
$saved = self::_postBookmark($user->getProfile(), $activity, $options);
if (!empty($saved)) {
$done = true;
}
return false;
}
return true;
}
/**
* Show a link to our delicious import page on profile settings form
*
* @param Action $action Profile settings action being shown
*
* @return boolean hook value
*/
function onEndProfileSettingsActions($action)
{
$user = common_current_user();
if (!empty($user) && $user->hasRight(self::IMPORTDELICIOUS)) {
$action->elementStart('li');
$action->element('a',
array('href' => common_local_url('importdelicious')),
_('Import del.icio.us bookmarks'));
$action->elementEnd('li');
}
return true;
}
/**
* Output our CSS class for bookmark notice list elements
*
* @param NoticeListItem $nli The item being shown
*
* @return boolean hook value
*/
function onStartOpenNoticeListItemElement($nli)
{
$nb = Bookmark::getByNotice($nli->notice);
if (!empty($nb)) {
$id = (empty($nli->repeat)) ? $nli->notice->id : $nli->repeat->id;
$nli->out->elementStart('li', array('class' => 'hentry notice bookmark',
'id' => 'notice-' . $id));
Event::handle('EndOpenNoticeListItemElement', array($nli));
return false;
}
return true;
}
/**
* Save a remote bookmark (from Salmon or PuSH)
*
* @param Ostatus_profile $author Author of the bookmark
* @param Activity $activity Activity to save
*
* @return Notice resulting notice.
*/
static private function _postRemoteBookmark(Ostatus_profile $author,
Activity $activity)
{
$bookmark = $activity->objects[0];
$options = array('uri' => $bookmark->id,
'url' => $bookmark->link,
'is_local' => Notice::REMOTE_OMB,
'source' => 'ostatus');
return self::_postBookmark($author->localProfile(), $activity, $options);
}
/**
* Save a bookmark from an activity
*
* @param Profile $profile Profile to use as author
* @param Activity $activity Activity to save
* @param array $options Options to pass to bookmark-saving code
*
* @return Notice resulting notice
*/
static private function _postBookmark(Profile $profile,
Activity $activity,
$options=array())
{
$bookmark = $activity->objects[0];
$relLinkEls = ActivityUtils::getLinks($bookmark->element, 'related');
if (count($relLinkEls) < 1) {
throw new ClientException(_('Expected exactly 1 link '.
'rel=related in a Bookmark.'));
}
if (count($relLinkEls) > 1) {
common_log(LOG_WARNING,
"Got too many link rel=related in a Bookmark.");
}
$linkEl = $relLinkEls[0];
$url = $linkEl->getAttribute('href');
$tags = array();
foreach ($activity->categories as $category) {
$tags[] = common_canonical_tag($category->term);
}
if (!empty($activity->time)) {
$options['created'] = common_sql_date($activity->time);
}
// Fill in location if available
$location = $activity->context->location;
if ($location) {
$options['lat'] = $location->lat;
$options['lon'] = $location->lon;
if ($location->location_id) {
$options['location_ns'] = $location->location_ns;
$options['location_id'] = $location->location_id;
}
}
$replies = $activity->context->attention;
$options['groups'] = array();
$options['replies'] = array();
foreach ($replies as $replyURI) {
$other = Profile::fromURI($replyURI);
if (!empty($other)) {
$options['replies'][] = $replyURI;
} else {
$group = User_group::staticGet('uri', $replyURI);
if (!empty($group)) {
$options['groups'][] = $replyURI;
}
}
}
// Maintain direct reply associations
// @fixme what about conversation ID?
if (!empty($activity->context->replyToID)) {
$orig = Notice::staticGet('uri',
$activity->context->replyToID);
if (!empty($orig)) {
$options['reply_to'] = $orig->id;
}
}
return Bookmark::saveNew($profile,
$bookmark->title,
$url,
$tags,
$bookmark->summary,
$options);
}
/**
* Test if an activity represents posting a bookmark
*
* @param Activity $activity Activity to test
*
* @return true if it's a Post of a Bookmark, else false
*/
static private function _isPostBookmark($activity)
{
return ($activity->verb == ActivityVerb::POST &&
$activity->objects[0]->type == ActivityObject::BOOKMARK);
}
}