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+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Base API action
+ *
+ * PHP version 5
+ *
+ * LICENCE: 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 API
+ * @package StatusNet
+ * @author Zach Copley <zach@status.net>
+ * @copyright 2009 StatusNet, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+ exit(1);
+}
+
+/**
+ * Contains most of the Twitter-compatible API output functions.
+ *
+ * @category API
+ * @package StatusNet
+ * @author Zach Copley <zach@status.net>
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://status.net/
+ */
+
+class ApiAction extends Action
+{
+
+ /**
+ * Initialization.
+ *
+ * @param array $args Web and URL arguments
+ *
+ * @return boolean false if user doesn't exist
+ */
+
+ function prepare($args)
+ {
+ parent::prepare($args);
+ return true;
+ }
+
+ /**
+ * Handle a request
+ *
+ * @param array $args Arguments from $_REQUEST
+ *
+ * @return void
+ */
+
+ function handle($args)
+ {
+ parent::handle($args);
+ }
+
+ /**
+ * Overrides XMLOutputter::element to write booleans as strings (true|false).
+ * See that method's documentation for more info.
+ *
+ * @param string $tag Element type or tagname
+ * @param array $attrs Array of element attributes, as
+ * key-value pairs
+ * @param string $content string content of the element
+ *
+ * @return void
+ */
+ function element($tag, $attrs=null, $content=null)
+ {
+ if (is_bool($content)) {
+ $content = ($content ? 'true' : 'false');
+ }
+
+ return parent::element($tag, $attrs, $content);
+ }
+
+ function twitter_user_array($profile, $get_notice=false)
+ {
+ $twitter_user = array();
+
+ $twitter_user['id'] = intval($profile->id);
+ $twitter_user['name'] = $profile->getBestName();
+ $twitter_user['screen_name'] = $profile->nickname;
+ $twitter_user['location'] = ($profile->location) ? $profile->location : null;
+ $twitter_user['description'] = ($profile->bio) ? $profile->bio : null;
+
+ $avatar = $profile->getAvatar(AVATAR_STREAM_SIZE);
+ $twitter_user['profile_image_url'] = ($avatar) ? $avatar->displayUrl() :
+ Avatar::defaultImage(AVATAR_STREAM_SIZE);
+
+ $twitter_user['url'] = ($profile->homepage) ? $profile->homepage : null;
+ $twitter_user['protected'] = false; # not supported by StatusNet yet
+ $twitter_user['followers_count'] = $profile->subscriberCount();
+
+ // To be supported soon...
+ $twitter_user['profile_background_color'] = '';
+ $twitter_user['profile_text_color'] = '';
+ $twitter_user['profile_link_color'] = '';
+ $twitter_user['profile_sidebar_fill_color'] = '';
+ $twitter_user['profile_sidebar_border_color'] = '';
+
+ $twitter_user['friends_count'] = $profile->subscriptionCount();
+
+ $twitter_user['created_at'] = $this->date_twitter($profile->created);
+
+ $twitter_user['favourites_count'] = $profile->faveCount(); // British spelling!
+
+ // Need to pull up the user for some of this
+ $user = User::staticGet($profile->id);
+
+ $timezone = 'UTC';
+
+ if ($user->timezone) {
+ $timezone = $user->timezone;
+ }
+
+ $t = new DateTime;
+ $t->setTimezone(new DateTimeZone($timezone));
+
+ $twitter_user['utc_offset'] = $t->format('Z');
+ $twitter_user['time_zone'] = $timezone;
+
+ // To be supported some day, perhaps
+ $twitter_user['profile_background_image_url'] = '';
+ $twitter_user['profile_background_tile'] = false;
+
+ $twitter_user['statuses_count'] = $profile->noticeCount();
+
+ // Is the requesting user following this user?
+ $twitter_user['following'] = false;
+ $twitter_user['notifications'] = false;
+
+ if (isset($apidata['user'])) {
+
+ $twitter_user['following'] = $apidata['user']->isSubscribed($profile);
+
+ // Notifications on?
+ $sub = Subscription::pkeyGet(array('subscriber' =>
+ $apidata['user']->id, 'subscribed' => $profile->id));
+
+ if ($sub) {
+ $twitter_user['notifications'] = ($sub->jabber || $sub->sms);
+ }
+ }
+
+ if ($get_notice) {
+ $notice = $profile->getCurrentNotice();
+ if ($notice) {
+ # don't get user!
+ $twitter_user['status'] = $this->twitter_status_array($notice, false);
+ }
+ }
+
+ return $twitter_user;
+ }
+
+ function twitter_status_array($notice, $include_user=true)
+ {
+ $profile = $notice->getProfile();
+
+ $twitter_status = array();
+ $twitter_status['text'] = $notice->content;
+ $twitter_status['truncated'] = false; # Not possible on StatusNet
+ $twitter_status['created_at'] = $this->date_twitter($notice->created);
+ $twitter_status['in_reply_to_status_id'] = ($notice->reply_to) ?
+ intval($notice->reply_to) : null;
+ $twitter_status['source'] = $this->source_link($notice->source);
+ $twitter_status['id'] = intval($notice->id);
+
+ $replier_profile = null;
+
+ if ($notice->reply_to) {
+ $reply = Notice::staticGet(intval($notice->reply_to));
+ if ($reply) {
+ $replier_profile = $reply->getProfile();
+ }
+ }
+
+ $twitter_status['in_reply_to_user_id'] =
+ ($replier_profile) ? intval($replier_profile->id) : null;
+ $twitter_status['in_reply_to_screen_name'] =
+ ($replier_profile) ? $replier_profile->nickname : null;
+
+ if (isset($this->auth_user)) {
+ $twitter_status['favorited'] = $this->auth_user->hasFave($notice);
+ } else {
+ $twitter_status['favorited'] = false;
+ }
+
+ // Enclosures
+ $attachments = $notice->attachments();
+
+ if (!empty($attachments)) {
+
+ $twitter_status['attachments'] = array();
+
+ foreach ($attachments as $attachment) {
+ if ($attachment->isEnclosure()) {
+ $enclosure = array();
+ $enclosure['url'] = $attachment->url;
+ $enclosure['mimetype'] = $attachment->mimetype;
+ $enclosure['size'] = $attachment->size;
+ $twitter_status['attachments'][] = $enclosure;
+ }
+ }
+ }
+
+ if ($include_user) {
+ # Don't get notice (recursive!)
+ $twitter_user = $this->twitter_user_array($profile, false);
+ $twitter_status['user'] = $twitter_user;
+ }
+
+ return $twitter_status;
+ }
+
+ function twitter_group_array($group)
+ {
+ $twitter_group=array();
+ $twitter_group['id']=$group->id;
+ $twitter_group['url']=$group->permalink();
+ $twitter_group['nickname']=$group->nickname;
+ $twitter_group['fullname']=$group->fullname;
+ $twitter_group['homepage_url']=$group->homepage_url;
+ $twitter_group['original_logo']=$group->original_logo;
+ $twitter_group['homepage_logo']=$group->homepage_logo;
+ $twitter_group['stream_logo']=$group->stream_logo;
+ $twitter_group['mini_logo']=$group->mini_logo;
+ $twitter_group['homepage']=$group->homepage;
+ $twitter_group['description']=$group->description;
+ $twitter_group['location']=$group->location;
+ $twitter_group['created']=$this->date_twitter($group->created);
+ $twitter_group['modified']=$this->date_twitter($group->modified);
+ return $twitter_group;
+ }
+
+ function twitter_rss_group_array($group)
+ {
+ $entry = array();
+ $entry['content']=$group->description;
+ $entry['title']=$group->nickname;
+ $entry['link']=$group->permalink();
+ $entry['published']=common_date_iso8601($group->created);
+ $entry['updated']==common_date_iso8601($group->modified);
+ $taguribase = common_config('integration', 'groupuri');
+ $entry['id'] = "group:$groupuribase:$entry[link]";
+
+ $entry['description'] = $entry['content'];
+ $entry['pubDate'] = common_date_rfc2822($group->created);
+ $entry['guid'] = $entry['link'];
+
+ return $entry;
+ }
+
+ function twitter_rss_entry_array($notice)
+ {
+ $profile = $notice->getProfile();
+ $entry = array();
+
+ // We trim() to avoid extraneous whitespace in the output
+
+ $entry['content'] = common_xml_safe_str(trim($notice->rendered));
+ $entry['title'] = $profile->nickname . ': ' . common_xml_safe_str(trim($notice->content));
+ $entry['link'] = common_local_url('shownotice', array('notice' => $notice->id));
+ $entry['published'] = common_date_iso8601($notice->created);
+
+ $taguribase = common_config('integration', 'taguri');
+ $entry['id'] = "tag:$taguribase:$entry[link]";
+
+ $entry['updated'] = $entry['published'];
+ $entry['author'] = $profile->getBestName();
+
+ // Enclosures
+ $attachments = $notice->attachments();
+ $enclosures = array();
+
+ foreach ($attachments as $attachment) {
+ $enclosure_o=$attachment->getEnclosure();
+ if ($enclosure_o) {
+ $enclosure = array();
+ $enclosure['url'] = $enclosure_o->url;
+ $enclosure['mimetype'] = $enclosure_o->mimetype;
+ $enclosure['size'] = $enclosure_o->size;
+ $enclosures[] = $enclosure;
+ }
+ }
+
+ if (!empty($enclosures)) {
+ $entry['enclosures'] = $enclosures;
+ }
+
+/*
+ // Enclosure
+ $attachments = $notice->attachments();
+ if($attachments){
+ $entry['enclosures']=array();
+ foreach($attachments as $attachment){
+ if ($attachment->isEnclosure()) {
+ $enclosure=array();
+ $enclosure['url']=$attachment->url;
+ $enclosure['mimetype']=$attachment->mimetype;
+ $enclosure['size']=$attachment->size;
+ $entry['enclosures'][]=$enclosure;
+ }
+ }
+ }
+*/
+
+ // Tags/Categories
+ $tag = new Notice_tag();
+ $tag->notice_id = $notice->id;
+ if ($tag->find()) {
+ $entry['tags']=array();
+ while ($tag->fetch()) {
+ $entry['tags'][]=$tag->tag;
+ }
+ }
+ $tag->free();
+
+ // RSS Item specific
+ $entry['description'] = $entry['content'];
+ $entry['pubDate'] = common_date_rfc2822($notice->created);
+ $entry['guid'] = $entry['link'];
+
+ return $entry;
+ }
+
+
+ function twitter_relationship_array($source, $target)
+ {
+ $relationship = array();
+
+ $relationship['source'] =
+ $this->relationship_details_array($source, $target);
+ $relationship['target'] =
+ $this->relationship_details_array($target, $source);
+
+ return array('relationship' => $relationship);
+ }
+
+ function relationship_details_array($source, $target)
+ {
+ $details = array();
+
+ $details['screen_name'] = $source->nickname;
+ $details['followed_by'] = $target->isSubscribed($source);
+ $details['following'] = $source->isSubscribed($target);
+
+ $notifications = false;
+
+ if ($source->isSubscribed($target)) {
+
+ $sub = Subscription::pkeyGet(array('subscriber' =>
+ $source->id, 'subscribed' => $target->id));
+
+ if (!empty($sub)) {
+ $notifications = ($sub->jabber || $sub->sms);
+ }
+ }
+
+ $details['notifications_enabled'] = $notifications;
+ $details['blocking'] = $source->hasBlocked($target);
+ $details['id'] = $source->id;
+
+ return $details;
+ }
+
+ function show_twitter_xml_relationship($relationship)
+ {
+ $this->elementStart('relationship');
+
+ foreach($relationship as $element => $value) {
+ if ($element == 'source' || $element == 'target') {
+ $this->elementStart($element);
+ $this->show_xml_relationship_details($value);
+ $this->elementEnd($element);
+ }
+ }
+
+ $this->elementEnd('relationship');
+ }
+
+ function show_xml_relationship_details($details)
+ {
+ foreach($details as $element => $value) {
+ $this->element($element, null, $value);
+ }
+ }
+
+ function show_twitter_xml_status($twitter_status)
+ {
+ $this->elementStart('status');
+ foreach($twitter_status as $element => $value) {
+ switch ($element) {
+ case 'user':
+ $this->show_twitter_xml_user($twitter_status['user']);
+ break;
+ case 'text':
+ $this->element($element, null, common_xml_safe_str($value));
+ break;
+ case 'attachments':
+ $this->show_xml_attachments($twitter_status['attachments']);
+ break;
+ default:
+ $this->element($element, null, $value);
+ }
+ }
+ $this->elementEnd('status');
+ }
+
+ function show_twitter_xml_group($twitter_group)
+ {
+ $this->elementStart('group');
+ foreach($twitter_group as $element => $value) {
+ $this->element($element, null, $value);
+ }
+ $this->elementEnd('group');
+ }
+
+ function show_twitter_xml_user($twitter_user, $role='user')
+ {
+ $this->elementStart($role);
+ foreach($twitter_user as $element => $value) {
+ if ($element == 'status') {
+ $this->show_twitter_xml_status($twitter_user['status']);
+ } else {
+ $this->element($element, null, $value);
+ }
+ }
+ $this->elementEnd($role);
+ }
+
+ function show_xml_attachments($attachments) {
+ if (!empty($attachments)) {
+ $this->elementStart('attachments', array('type' => 'array'));
+ foreach ($attachments as $attachment) {
+ $attrs = array();
+ $attrs['url'] = $attachment['url'];
+ $attrs['mimetype'] = $attachment['mimetype'];
+ $attrs['size'] = $attachment['size'];
+ $this->element('enclosure', $attrs, '');
+ }
+ $this->elementEnd('attachments');
+ }
+ }
+
+ function show_twitter_rss_item($entry)
+ {
+ $this->elementStart('item');
+ $this->element('title', null, $entry['title']);
+ $this->element('description', null, $entry['description']);
+ $this->element('pubDate', null, $entry['pubDate']);
+ $this->element('guid', null, $entry['guid']);
+ $this->element('link', null, $entry['link']);
+
+ # RSS only supports 1 enclosure per item
+ if(array_key_exists('enclosures', $entry) and !empty($entry['enclosures'])){
+ $enclosure = $entry['enclosures'][0];
+ $this->element('enclosure', array('url'=>$enclosure['url'],'type'=>$enclosure['mimetype'],'length'=>$enclosure['size']), null);
+ }
+
+ if(array_key_exists('tags', $entry)){
+ foreach($entry['tags'] as $tag){
+ $this->element('category', null,$tag);
+ }
+ }
+
+ $this->elementEnd('item');
+ }
+
+ function show_json_objects($objects)
+ {
+ print(json_encode($objects));
+ }
+
+ function show_single_xml_status($notice)
+ {
+ $this->init_document('xml');
+ $twitter_status = $this->twitter_status_array($notice);
+ $this->show_twitter_xml_status($twitter_status);
+ $this->end_document('xml');
+ }
+
+ function show_single_json_status($notice)
+ {
+ $this->init_document('json');
+ $status = $this->twitter_status_array($notice);
+ $this->show_json_objects($status);
+ $this->end_document('json');
+ }
+
+
+ function show_xml_timeline($notice)
+ {
+
+ $this->init_document('xml');
+ $this->elementStart('statuses', array('type' => 'array'));
+
+ if (is_array($notice)) {
+ foreach ($notice as $n) {
+ $twitter_status = $this->twitter_status_array($n);
+ $this->show_twitter_xml_status($twitter_status);
+ }
+ } else {
+ while ($notice->fetch()) {
+ $twitter_status = $this->twitter_status_array($notice);
+ $this->show_twitter_xml_status($twitter_status);
+ }
+ }
+
+ $this->elementEnd('statuses');
+ $this->end_document('xml');
+ }
+
+ function show_rss_timeline($notice, $title, $link, $subtitle, $suplink=null)
+ {
+
+ $this->init_document('rss');
+
+ $this->element('title', null, $title);
+ $this->element('link', null, $link);
+ if (!is_null($suplink)) {
+ # For FriendFeed's SUP protocol
+ $this->element('link', array('xmlns' => 'http://www.w3.org/2005/Atom',
+ 'rel' => 'http://api.friendfeed.com/2008/03#sup',
+ 'href' => $suplink,
+ 'type' => 'application/json'));
+ }
+ $this->element('description', null, $subtitle);
+ $this->element('language', null, 'en-us');
+ $this->element('ttl', null, '40');
+
+ if (is_array($notice)) {
+ foreach ($notice as $n) {
+ $entry = $this->twitter_rss_entry_array($n);
+ $this->show_twitter_rss_item($entry);
+ }
+ } else {
+ while ($notice->fetch()) {
+ $entry = $this->twitter_rss_entry_array($notice);
+ $this->show_twitter_rss_item($entry);
+ }
+ }
+
+ $this->end_twitter_rss();
+ }
+
+ function show_atom_timeline($notice, $title, $id, $link, $subtitle=null, $suplink=null, $selfuri=null)
+ {
+
+ $this->init_document('atom');
+
+ $this->element('title', null, $title);
+ $this->element('id', null, $id);
+ $this->element('link', array('href' => $link, 'rel' => 'alternate', 'type' => 'text/html'), null);
+
+ if (!is_null($suplink)) {
+ # For FriendFeed's SUP protocol
+ $this->element('link', array('rel' => 'http://api.friendfeed.com/2008/03#sup',
+ 'href' => $suplink,
+ 'type' => 'application/json'));
+ }
+
+ if (!is_null($selfuri)) {
+ $this->element('link', array('href' => $selfuri,
+ 'rel' => 'self', 'type' => 'application/atom+xml'), null);
+ }
+
+ $this->element('updated', null, common_date_iso8601('now'));
+ $this->element('subtitle', null, $subtitle);
+
+ if (is_array($notice)) {
+ foreach ($notice as $n) {
+ $this->raw($n->asAtomEntry());
+ }
+ } else {
+ while ($notice->fetch()) {
+ $this->raw($notice->asAtomEntry());
+ }
+ }
+
+ $this->end_document('atom');
+
+ }
+
+ function show_rss_groups($group, $title, $link, $subtitle)
+ {
+
+ $this->init_document('rss');
+
+ $this->element('title', null, $title);
+ $this->element('link', null, $link);
+ $this->element('description', null, $subtitle);
+ $this->element('language', null, 'en-us');
+ $this->element('ttl', null, '40');
+
+ if (is_array($group)) {
+ foreach ($group as $g) {
+ $twitter_group = $this->twitter_rss_group_array($g);
+ $this->show_twitter_rss_item($twitter_group);
+ }
+ } else {
+ while ($group->fetch()) {
+ $twitter_group = $this->twitter_rss_group_array($group);
+ $this->show_twitter_rss_item($twitter_group);
+ }
+ }
+
+ $this->end_twitter_rss();
+ }
+
+
+ function showTwitterAtomEntry($entry)
+ {
+ $this->elementStart('entry');
+ $this->element('title', null, $entry['title']);
+ $this->element('content', array('type' => 'html'), $entry['content']);
+ $this->element('id', null, $entry['id']);
+ $this->element('published', null, $entry['published']);
+ $this->element('updated', null, $entry['updated']);
+ $this->element('link', array('type' => 'text/html',
+ 'href' => $entry['link'],
+ 'rel' => 'alternate'));
+ $this->element('link', array('type' => $entry['avatar-type'],
+ 'href' => $entry['avatar'],
+ 'rel' => 'image'));
+ $this->elementStart('author');
+
+ $this->element('name', null, $entry['author-name']);
+ $this->element('uri', null, $entry['author-uri']);
+
+ $this->elementEnd('author');
+ $this->elementEnd('entry');
+ }
+
+ function showXmlDirectMessage($dm)
+ {
+ $this->elementStart('direct_message');
+ foreach($dm as $element => $value) {
+ switch ($element) {
+ case 'sender':
+ case 'recipient':
+ $this->show_twitter_xml_user($value, $element);
+ break;
+ case 'text':
+ $this->element($element, null, common_xml_safe_str($value));
+ break;
+ default:
+ $this->element($element, null, $value);
+ break;
+ }
+ }
+ $this->elementEnd('direct_message');
+ }
+
+ function directMessageArray($message)
+ {
+ $dmsg = array();
+
+ $from_profile = $message->getFrom();
+ $to_profile = $message->getTo();
+
+ $dmsg['id'] = $message->id;
+ $dmsg['sender_id'] = $message->from_profile;
+ $dmsg['text'] = trim($message->content);
+ $dmsg['recipient_id'] = $message->to_profile;
+ $dmsg['created_at'] = $this->date_twitter($message->created);
+ $dmsg['sender_screen_name'] = $from_profile->nickname;
+ $dmsg['recipient_screen_name'] = $to_profile->nickname;
+ $dmsg['sender'] = $this->twitter_user_array($from_profile, false);
+ $dmsg['recipient'] = $this->twitter_user_array($to_profile, false);
+
+ return $dmsg;
+ }
+
+ function rssDirectMessageArray($message)
+ {
+ $entry = array();
+
+ $from = $message->getFrom();
+
+ $entry['title'] = sprintf('Message from %s to %s',
+ $from->nickname, $message->getTo()->nickname);
+
+ $entry['content'] = common_xml_safe_str($message->rendered);
+ $entry['link'] = common_local_url('showmessage', array('message' => $message->id));
+ $entry['published'] = common_date_iso8601($message->created);
+
+ $taguribase = common_config('integration', 'taguri');
+
+ $entry['id'] = "tag:$taguribase:$entry[link]";
+ $entry['updated'] = $entry['published'];
+
+ $entry['author-name'] = $from->getBestName();
+ $entry['author-uri'] = $from->homepage;
+
+ $avatar = $from->getAvatar(AVATAR_STREAM_SIZE);
+
+ $entry['avatar'] = (!empty($avatar)) ? $avatar->url : Avatar::defaultImage(AVATAR_STREAM_SIZE);
+ $entry['avatar-type'] = (!empty($avatar)) ? $avatar->mediatype : 'image/png';
+
+ // RSS item specific
+
+ $entry['description'] = $entry['content'];
+ $entry['pubDate'] = common_date_rfc2822($message->created);
+ $entry['guid'] = $entry['link'];
+
+ return $entry;
+ }
+
+ function showSingleXmlDirectMessage($message)
+ {
+ $this->init_document('xml');
+ $dmsg = $this->directMessageArray($message);
+ $this->showXmlDirectMessage($dmsg);
+ $this->end_document('xml');
+ }
+
+ function showSingleJsonDirectMessage($message)
+ {
+ $this->init_document('json');
+ $dmsg = $this->directMessageArray($message);
+ $this->show_json_objects($dmsg);
+ $this->end_document('json');
+ }
+
+ function show_atom_groups($group, $title, $id, $link, $subtitle=null, $selfuri=null)
+ {
+
+ $this->init_document('atom');
+
+ $this->element('title', null, $title);
+ $this->element('id', null, $id);
+ $this->element('link', array('href' => $link, 'rel' => 'alternate', 'type' => 'text/html'), null);
+
+ if (!is_null($selfuri)) {
+ $this->element('link', array('href' => $selfuri,
+ 'rel' => 'self', 'type' => 'application/atom+xml'), null);
+ }
+
+ $this->element('updated', null, common_date_iso8601('now'));
+ $this->element('subtitle', null, $subtitle);
+
+ if (is_array($group)) {
+ foreach ($group as $g) {
+ $this->raw($g->asAtomEntry());
+ }
+ } else {
+ while ($group->fetch()) {
+ $this->raw($group->asAtomEntry());
+ }
+ }
+
+ $this->end_document('atom');
+
+ }
+
+ function show_json_timeline($notice)
+ {
+
+ $this->init_document('json');
+
+ $statuses = array();
+
+ if (is_array($notice)) {
+ foreach ($notice as $n) {
+ $twitter_status = $this->twitter_status_array($n);
+ array_push($statuses, $twitter_status);
+ }
+ } else {
+ while ($notice->fetch()) {
+ $twitter_status = $this->twitter_status_array($notice);
+ array_push($statuses, $twitter_status);
+ }
+ }
+
+ $this->show_json_objects($statuses);
+
+ $this->end_document('json');
+ }
+
+ function show_json_groups($group)
+ {
+
+ $this->init_document('json');
+
+ $groups = array();
+
+ if (is_array($group)) {
+ foreach ($group as $g) {
+ $twitter_group = $this->twitter_group_array($g);
+ array_push($groups, $twitter_group);
+ }
+ } else {
+ while ($group->fetch()) {
+ $twitter_group = $this->twitter_group_array($group);
+ array_push($groups, $twitter_group);
+ }
+ }
+
+ $this->show_json_objects($groups);
+
+ $this->end_document('json');
+ }
+
+ function show_xml_groups($group)
+ {
+
+ $this->init_document('xml');
+ $this->elementStart('groups', array('type' => 'array'));
+
+ if (is_array($group)) {
+ foreach ($group as $g) {
+ $twitter_group = $this->twitter_group_array($g);
+ $this->show_twitter_xml_group($twitter_group);
+ }
+ } else {
+ while ($group->fetch()) {
+ $twitter_group = $this->twitter_group_array($group);
+ $this->show_twitter_xml_group($twitter_group);
+ }
+ }
+
+ $this->elementEnd('groups');
+ $this->end_document('xml');
+ }
+
+ function show_twitter_xml_users($user)
+ {
+
+ $this->init_document('xml');
+ $this->elementStart('users', array('type' => 'array'));
+
+ if (is_array($user)) {
+ foreach ($user as $u) {
+ $twitter_user = $this->twitter_user_array($u);
+ $this->show_twitter_xml_user($twitter_user);
+ }
+ } else {
+ while ($user->fetch()) {
+ $twitter_user = $this->twitter_user_array($user);
+ $this->show_twitter_xml_user($twitter_user);
+ }
+ }
+
+ $this->elementEnd('users');
+ $this->end_document('xml');
+ }
+
+ function show_json_users($user)
+ {
+
+ $this->init_document('json');
+
+ $users = array();
+
+ if (is_array($user)) {
+ foreach ($user as $u) {
+ $twitter_user = $this->twitter_user_array($u);
+ array_push($users, $twitter_user);
+ }
+ } else {
+ while ($user->fetch()) {
+ $twitter_user = $this->twitter_user_array($user);
+ array_push($users, $twitter_user);
+ }
+ }
+
+ $this->show_json_objects($users);
+
+ $this->end_document('json');
+ }
+
+ function show_single_json_group($group)
+ {
+ $this->init_document('json');
+ $twitter_group = $this->twitter_group_array($group);
+ $this->show_json_objects($twitter_group);
+ $this->end_document('json');
+ }
+
+ function show_single_xml_group($group)
+ {
+ $this->init_document('xml');
+ $twitter_group = $this->twitter_group_array($group);
+ $this->show_twitter_xml_group($twitter_group);
+ $this->end_document('xml');
+ }
+
+ function date_twitter($dt)
+ {
+ $dateStr = date('d F Y H:i:s', strtotime($dt));
+ $d = new DateTime($dateStr, new DateTimeZone('UTC'));
+ $d->setTimezone(new DateTimeZone(common_timezone()));
+ return $d->format('D M d H:i:s O Y');
+ }
+
+ // XXX: Candidate for a general utility method somewhere?
+ function count_subscriptions($profile)
+ {
+
+ $count = 0;
+ $sub = new Subscription();
+ $sub->subscribed = $profile->id;
+
+ $count = $sub->find();
+
+ if ($count > 0) {
+ return $count - 1;
+ } else {
+ return 0;
+ }
+ }
+
+ function init_document($type='xml')
+ {
+ switch ($type) {
+ case 'xml':
+ header('Content-Type: application/xml; charset=utf-8');
+ $this->startXML();
+ break;
+ case 'json':
+ header('Content-Type: application/json; charset=utf-8');
+
+ // Check for JSONP callback
+ $callback = $this->arg('callback');
+ if ($callback) {
+ print $callback . '(';
+ }
+ break;
+ case 'rss':
+ header("Content-Type: application/rss+xml; charset=utf-8");
+ $this->init_twitter_rss();
+ break;
+ case 'atom':
+ header('Content-Type: application/atom+xml; charset=utf-8');
+ $this->init_twitter_atom();
+ break;
+ default:
+ $this->clientError(_('Not a supported data format.'));
+ break;
+ }
+
+ return;
+ }
+
+ function end_document($type='xml')
+ {
+ switch ($type) {
+ case 'xml':
+ $this->endXML();
+ break;
+ case 'json':
+
+ // Check for JSONP callback
+ $callback = $this->arg('callback');
+ if ($callback) {
+ print ')';
+ }
+ break;
+ case 'rss':
+ $this->end_twitter_rss();
+ break;
+ case 'atom':
+ $this->end_twitter_rss();
+ break;
+ default:
+ $this->clientError(_('Not a supported data format.'));
+ break;
+ }
+ return;
+ }
+
+ function clientError($msg, $code = 400, $format = 'xml')
+ {
+ $action = $this->trimmed('action');
+
+ common_debug("User error '$code' on '$action': $msg", __FILE__);
+
+ if (!array_key_exists($code, ClientErrorAction::$status)) {
+ $code = 400;
+ }
+
+ $status_string = ClientErrorAction::$status[$code];
+
+ header('HTTP/1.1 '.$code.' '.$status_string);
+
+ if ($format == 'xml') {
+ $this->init_document('xml');
+ $this->elementStart('hash');
+ $this->element('error', null, $msg);
+ $this->element('request', null, $_SERVER['REQUEST_URI']);
+ $this->elementEnd('hash');
+ $this->end_document('xml');
+ } elseif ($format == 'json'){
+ $this->init_document('json');
+ $error_array = array('error' => $msg, 'request' => $_SERVER['REQUEST_URI']);
+ print(json_encode($error_array));
+ $this->end_document('json');
+ } else {
+
+ // If user didn't request a useful format, throw a regular client error
+ throw new ClientException($msg, $code);
+ }
+ }
+
+ function serverError($msg, $code = 500, $content_type = 'json')
+ {
+ $action = $this->trimmed('action');
+
+ common_debug("Server error '$code' on '$action': $msg", __FILE__);
+
+ if (!array_key_exists($code, ServerErrorAction::$status)) {
+ $code = 400;
+ }
+
+ $status_string = ServerErrorAction::$status[$code];
+
+ header('HTTP/1.1 '.$code.' '.$status_string);
+
+ if ($content_type == 'xml') {
+ $this->init_document('xml');
+ $this->elementStart('hash');
+ $this->element('error', null, $msg);
+ $this->element('request', null, $_SERVER['REQUEST_URI']);
+ $this->elementEnd('hash');
+ $this->end_document('xml');
+ } else {
+ $this->init_document('json');
+ $error_array = array('error' => $msg, 'request' => $_SERVER['REQUEST_URI']);
+ print(json_encode($error_array));
+ $this->end_document('json');
+ }
+ }
+
+ function init_twitter_rss()
+ {
+ $this->startXML();
+ $this->elementStart('rss', array('version' => '2.0', 'xmlns:atom'=>'http://www.w3.org/2005/Atom'));
+ $this->elementStart('channel');
+ Event::handle('StartApiRss', array($this));
+ }
+
+ function end_twitter_rss()
+ {
+ $this->elementEnd('channel');
+ $this->elementEnd('rss');
+ $this->endXML();
+ }
+
+ function init_twitter_atom()
+ {
+ $this->startXML();
+ // FIXME: don't hardcode the language here!
+ $this->elementStart('feed', array('xmlns' => 'http://www.w3.org/2005/Atom',
+ 'xml:lang' => 'en-US',
+ 'xmlns:thr' => 'http://purl.org/syndication/thread/1.0'));
+ Event::handle('StartApiAtom', array($this));
+ }
+
+ function end_twitter_atom()
+ {
+ $this->elementEnd('feed');
+ $this->endXML();
+ }
+
+ function show_profile($profile, $content_type='xml', $notice=null, $includeStatuses=true)
+ {
+ $profile_array = $this->twitter_user_array($profile, $includeStatuses);
+ switch ($content_type) {
+ case 'xml':
+ $this->show_twitter_xml_user($profile_array);
+ break;
+ case 'json':
+ $this->show_json_objects($profile_array);
+ break;
+ default:
+ $this->clientError(_('Not a supported data format.'));
+ return;
+ }
+ return;
+ }
+
+ function get_user($id, $apidata=null)
+ {
+ if (empty($id)) {
+
+ // Twitter supports these other ways of passing the user ID
+ if (is_numeric($this->arg('id'))) {
+ return User::staticGet($this->arg('id'));
+ } else if ($this->arg('id')) {
+ $nickname = common_canonical_nickname($this->arg('id'));
+ return User::staticGet('nickname', $nickname);
+ } else if ($this->arg('user_id')) {
+ // This is to ensure that a non-numeric user_id still
+ // overrides screen_name even if it doesn't get used
+ if (is_numeric($this->arg('user_id'))) {
+ return User::staticGet('id', $this->arg('user_id'));
+ }
+ } else if ($this->arg('screen_name')) {
+ $nickname = common_canonical_nickname($this->arg('screen_name'));
+ return User::staticGet('nickname', $nickname);
+ } else {
+ // Fall back to trying the currently authenticated user
+ return $apidata['user'];
+ }
+
+ } else if (is_numeric($id)) {
+ return User::staticGet($id);
+ } else {
+ $nickname = common_canonical_nickname($id);
+ return User::staticGet('nickname', $nickname);
+ }
+ }
+
+ function getTargetUser($id)
+ {
+ if (empty($id)) {
+
+ // Twitter supports these other ways of passing the user ID
+ if (is_numeric($this->arg('id'))) {
+ return User::staticGet($this->arg('id'));
+ } else if ($this->arg('id')) {
+ $nickname = common_canonical_nickname($this->arg('id'));
+ return User::staticGet('nickname', $nickname);
+ } else if ($this->arg('user_id')) {
+ // This is to ensure that a non-numeric user_id still
+ // overrides screen_name even if it doesn't get used
+ if (is_numeric($this->arg('user_id'))) {
+ return User::staticGet('id', $this->arg('user_id'));
+ }
+ } else if ($this->arg('screen_name')) {
+ $nickname = common_canonical_nickname($this->arg('screen_name'));
+ return User::staticGet('nickname', $nickname);
+ } else {
+ // Fall back to trying the currently authenticated user
+ return $this->auth_user;
+ }
+
+ } else if (is_numeric($id)) {
+ return User::staticGet($id);
+ } else {
+ $nickname = common_canonical_nickname($id);
+ return User::staticGet('nickname', $nickname);
+ }
+ }
+
+ function getTargetGroup($id)
+ {
+ if (empty($id)) {
+ if (is_numeric($this->arg('id'))) {
+ return User_group::staticGet($this->arg('id'));
+ } else if ($this->arg('id')) {
+ $nickname = common_canonical_nickname($this->arg('id'));
+ return User_group::staticGet('nickname', $nickname);
+ } else if ($this->arg('group_id')) {
+ // This is to ensure that a non-numeric user_id still
+ // overrides screen_name even if it doesn't get used
+ if (is_numeric($this->arg('group_id'))) {
+ return User_group::staticGet('id', $this->arg('group_id'));
+ }
+ } else if ($this->arg('group_name')) {
+ $nickname = common_canonical_nickname($this->arg('group_name'));
+ return User_group::staticGet('nickname', $nickname);
+ }
+
+ } else if (is_numeric($id)) {
+ return User_group::staticGet($id);
+ } else {
+ $nickname = common_canonical_nickname($id);
+ return User_group::staticGet('nickname', $nickname);
+ }
+ }
+
+ function get_profile($id)
+ {
+ if (is_numeric($id)) {
+ return Profile::staticGet($id);
+ } else {
+ $user = User::staticGet('nickname', $id);
+ if ($user) {
+ return $user->getProfile();
+ } else {
+ return null;
+ }
+ }
+ }
+
+ function source_link($source)
+ {
+ $source_name = _($source);
+ switch ($source) {
+ case 'web':
+ case 'xmpp':
+ case 'mail':
+ case 'omb':
+ case 'api':
+ break;
+ default:
+ $ns = Notice_source::staticGet($source);
+ if ($ns) {
+ $source_name = '<a href="' . $ns->url . '">' . $ns->name . '</a>';
+ }
+ break;
+ }
+ return $source_name;
+ }
+
+ /**
+ * Returns query argument or default value if not found. Certain
+ * parameters used throughout the API are lightly scrubbed and
+ * bounds checked. This overrides Action::arg().
+ *
+ * @param string $key requested argument
+ * @param string $def default value to return if $key is not provided
+ *
+ * @return var $var
+ */
+ function arg($key, $def=null)
+ {
+
+ // XXX: Do even more input validation/scrubbing?
+
+ if (array_key_exists($key, $this->args)) {
+ switch($key) {
+ case 'page':
+ $page = (int)$this->args['page'];
+ return ($page < 1) ? 1 : $page;
+ case 'count':
+ $count = (int)$this->args['count'];
+ if ($count < 1) {
+ return 20;
+ } elseif ($count > 200) {
+ return 200;
+ } else {
+ return $count;
+ }
+ case 'since_id':
+ $since_id = (int)$this->args['since_id'];
+ return ($since_id < 1) ? 0 : $since_id;
+ case 'max_id':
+ $max_id = (int)$this->args['max_id'];
+ return ($max_id < 1) ? 0 : $max_id;
+ case 'since':
+ return strtotime($this->args['since']);
+ default:
+ return parent::arg($key, $def);
+ }
+ } else {
+ return $def;
+ }
+ }
+
+}