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Diffstat (limited to 'lib/api.php')
| -rw-r--r-- | lib/api.php | 1206 |
1 files changed, 1206 insertions, 0 deletions
diff --git a/lib/api.php b/lib/api.php new file mode 100644 index 000000000..db2d24fbd --- /dev/null +++ b/lib/api.php @@ -0,0 +1,1206 @@ +<?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 +{ + var $format = null; + var $user = null; + var $page = null; + var $count = null; + var $max_id = null; + var $since_id = null; + var $since = null; + + /** + * Initialization. + * + * @param array $args Web and URL arguments + * + * @return boolean false if user doesn't exist + */ + + function prepare($args) + { + parent::prepare($args); + + $this->format = $this->arg('format'); + $this->page = (int)$this->arg('page', 1); + $this->count = (int)$this->arg('count', 20); + $this->max_id = (int)$this->arg('max_id', 0); + $this->since_id = (int)$this->arg('since_id', 0); + $this->since = $this->arg('since'); + + 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, $content); + } + + function twitterUserArray($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'] = $this->dateTwitter($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'] = $this->twitterStatusArray($notice, false); + } + } + + return $twitter_user; + } + + function twitterStatusArray($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'] = $this->dateTwitter($notice->created); + $twitter_status['in_reply_to_status_id'] = ($notice->reply_to) ? + intval($notice->reply_to) : null; + $twitter_status['source'] = $this->sourceLink($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 = $this->twitterUserArray($profile, false); + $twitter_status['user'] = $twitter_user; + } + + return $twitter_status; + } + + function twitterGroupArray($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->dateTwitter($group->created); + $twitter_group['modified']=$this->dateTwitter($group->modified); + return $twitter_group; + } + + function twitterRssGroupArray($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 $entry; + } + + function twitterRssEntryArray($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; + } + + // 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 $entry; + } + + + function twitterRelationshipArray($source, $target) + { + $relationship = array(); + + $relationship['source'] = + $this->relationshipDetailsArray($source, $target); + $relationship['target'] = + $this->relationshipDetailsArray($target, $source); + + return array('relationship' => $relationship); + } + + function relationshipDetailsArray($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 $details; + } + + function showTwitterXmlRelationship($relationship) + { + $this->elementStart('relationship'); + + foreach($relationship as $element => $value) { + if ($element == 'source' || $element == 'target') { + $this->elementStart($element); + $this->showXmlRelationshipDetails($value); + $this->elementEnd($element); + } + } + + $this->elementEnd('relationship'); + } + + function showXmlRelationshipDetails($details) + { + foreach($details as $element => $value) { + $this->element($element, null, $value); + } + } + + function showTwitterXmlStatus($twitter_status) + { + $this->elementStart('status'); + foreach($twitter_status as $element => $value) { + switch ($element) { + case 'user': + $this->showTwitterXmlUser($twitter_status['user']); + break; + case 'text': + $this->element($element, null, common_xml_safe_str($value)); + break; + case 'attachments': + $this->showXmlAttachments($twitter_status['attachments']); + break; + default: + $this->element($element, null, $value); + } + } + $this->elementEnd('status'); + } + + function showTwitterXmlGroup($twitter_group) + { + $this->elementStart('group'); + foreach($twitter_group as $element => $value) { + $this->element($element, null, $value); + } + $this->elementEnd('group'); + } + + function showTwitterXmlUser($twitter_user, $role='user') + { + $this->elementStart($role); + foreach($twitter_user as $element => $value) { + if ($element == 'status') { + $this->showTwitterXmlStatus($twitter_user['status']); + } else { + $this->element($element, null, $value); + } + } + $this->elementEnd($role); + } + + function showXmlAttachments($attachments) { + if (!empty($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, ''); + } + $this->elementEnd('attachments'); + } + } + + function showTwitterRssItem($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); + } + } + + $this->elementEnd('item'); + } + + function showJsonObjects($objects) + { + print(json_encode($objects)); + } + + function showSingleXmlStatus($notice) + { + $this->initDocument('xml'); + $twitter_status = $this->twitterStatusArray($notice); + $this->showTwitterXmlStatus($twitter_status); + $this->endDocument('xml'); + } + + function show_single_json_status($notice) + { + $this->initDocument('json'); + $status = $this->twitterStatusArray($notice); + $this->showJsonObjects($status); + $this->endDocument('json'); + } + + + function showXmlTimeline($notice) + { + + $this->initDocument('xml'); + $this->elementStart('statuses', array('type' => 'array')); + + if (is_array($notice)) { + foreach ($notice as $n) { + $twitter_status = $this->twitterStatusArray($n); + $this->showTwitterXmlStatus($twitter_status); + } + } else { + while ($notice->fetch()) { + $twitter_status = $this->twitterStatusArray($notice); + $this->showTwitterXmlStatus($twitter_status); + } + } + + $this->elementEnd('statuses'); + $this->endDocument('xml'); + } + + function showRssTimeline($notice, $title, $link, $subtitle, $suplink=null) + { + + $this->initDocument('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 = $this->twitterRssEntryArray($n); + $this->showTwitterRssItem($entry); + } + } else { + while ($notice->fetch()) { + $entry = $this->twitterRssEntryArray($notice); + $this->showTwitterRssItem($entry); + } + } + + $this->endTwitterRss(); + } + + function showAtomTimeline($notice, $title, $id, $link, $subtitle=null, $suplink=null, $selfuri=null) + { + + $this->initDocument('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()); + } + } + + $this->endDocument('atom'); + + } + + function showRssGroups($group, $title, $link, $subtitle) + { + + $this->initDocument('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 = $this->twitterRssGroupArray($g); + $this->showTwitterRssItem($twitter_group); + } + } else { + while ($group->fetch()) { + $twitter_group = $this->twitterRssGroupArray($group); + $this->showTwitterRssItem($twitter_group); + } + } + + $this->endTwitterRss(); + } + + + function showTwitterAtomEntry($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': + $this->showTwitterXmlUser($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'] = $this->dateTwitter($message->created); + $dmsg['sender_screen_name'] = $from_profile->nickname; + $dmsg['recipient_screen_name'] = $to_profile->nickname; + $dmsg['sender'] = $this->twitterUserArray($from_profile, false); + $dmsg['recipient'] = $this->twitterUserArray($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->initDocument('xml'); + $dmsg = $this->directMessageArray($message); + $this->showXmlDirectMessage($dmsg); + $this->endDocument('xml'); + } + + function showSingleJsonDirectMessage($message) + { + $this->initDocument('json'); + $dmsg = $this->directMessageArray($message); + $this->showJsonObjects($dmsg); + $this->endDocument('json'); + } + + function showAtomGroups($group, $title, $id, $link, $subtitle=null, $selfuri=null) + { + + $this->initDocument('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()); + } + } + + $this->endDocument('atom'); + + } + + function showJsonTimeline($notice) + { + + $this->initDocument('json'); + + $statuses = array(); + + if (is_array($notice)) { + foreach ($notice as $n) { + $twitter_status = $this->twitterStatusArray($n); + array_push($statuses, $twitter_status); + } + } else { + while ($notice->fetch()) { + $twitter_status = $this->twitterStatusArray($notice); + array_push($statuses, $twitter_status); + } + } + + $this->showJsonObjects($statuses); + + $this->endDocument('json'); + } + + function showJsonGroups($group) + { + + $this->initDocument('json'); + + $groups = array(); + + if (is_array($group)) { + foreach ($group as $g) { + $twitter_group = $this->twitterGroupArray($g); + array_push($groups, $twitter_group); + } + } else { + while ($group->fetch()) { + $twitter_group = $this->twitterGroupArray($group); + array_push($groups, $twitter_group); + } + } + + $this->showJsonObjects($groups); + + $this->endDocument('json'); + } + + function showXmlGroups($group) + { + + $this->initDocument('xml'); + $this->elementStart('groups', array('type' => 'array')); + + if (is_array($group)) { + foreach ($group as $g) { + $twitter_group = $this->twitterGroupArray($g); + $this->showTwitterXmlGroup($twitter_group); + } + } else { + while ($group->fetch()) { + $twitter_group = $this->twitterGroupArray($group); + $this->showTwitterXmlGroup($twitter_group); + } + } + + $this->elementEnd('groups'); + $this->endDocument('xml'); + } + + function showTwitterXmlUsers($user) + { + + $this->initDocument('xml'); + $this->elementStart('users', array('type' => 'array')); + + if (is_array($user)) { + foreach ($user as $u) { + $twitter_user = $this->twitterUserArray($u); + $this->showTwitterXmlUser($twitter_user); + } + } else { + while ($user->fetch()) { + $twitter_user = $this->twitterUserArray($user); + $this->showTwitterXmlUser($twitter_user); + } + } + + $this->elementEnd('users'); + $this->endDocument('xml'); + } + + function showJsonUsers($user) + { + + $this->initDocument('json'); + + $users = array(); + + if (is_array($user)) { + foreach ($user as $u) { + $twitter_user = $this->twitterUserArray($u); + array_push($users, $twitter_user); + } + } else { + while ($user->fetch()) { + $twitter_user = $this->twitterUserArray($user); + array_push($users, $twitter_user); + } + } + + $this->showJsonObjects($users); + + $this->endDocument('json'); + } + + function showSingleJsonGroup($group) + { + $this->initDocument('json'); + $twitter_group = $this->twitterGroupArray($group); + $this->showJsonObjects($twitter_group); + $this->endDocument('json'); + } + + function showSingleXmlGroup($group) + { + $this->initDocument('xml'); + $twitter_group = $this->twitterGroupArray($group); + $this->showTwitterXmlGroup($twitter_group); + $this->endDocument('xml'); + } + + function dateTwitter($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 $d->format('D M d H:i:s O Y'); + } + + function initDocument($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->initTwitterRss(); + break; + case 'atom': + header('Content-Type: application/atom+xml; charset=utf-8'); + $this->initTwitterAtom(); + break; + default: + $this->clientError(_('Not a supported data format.')); + break; + } + + return; + } + + function endDocument($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->endTwitterRss(); + break; + case 'atom': + $this->endTwitterRss(); + 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->initDocument('xml'); + $this->elementStart('hash'); + $this->element('error', null, $msg); + $this->element('request', null, $_SERVER['REQUEST_URI']); + $this->elementEnd('hash'); + $this->endDocument('xml'); + } elseif ($format == 'json'){ + $this->initDocument('json'); + $error_array = array('error' => $msg, 'request' => $_SERVER['REQUEST_URI']); + print(json_encode($error_array)); + $this->endDocument('json'); + } else { + + // If user didn't request a useful format, throw a regular client error + throw new ClientException($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->initDocument('xml'); + $this->elementStart('hash'); + $this->element('error', null, $msg); + $this->element('request', null, $_SERVER['REQUEST_URI']); + $this->elementEnd('hash'); + $this->endDocument('xml'); + } else { + $this->initDocument('json'); + $error_array = array('error' => $msg, 'request' => $_SERVER['REQUEST_URI']); + print(json_encode($error_array)); + $this->endDocument('json'); + } + } + + function initTwitterRss() + { + $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 endTwitterRss() + { + $this->elementEnd('channel'); + $this->elementEnd('rss'); + $this->endXML(); + } + + function initTwitterAtom() + { + $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 endTwitterAtom() + { + $this->elementEnd('feed'); + $this->endXML(); + } + + function showProfile($profile, $content_type='xml', $notice=null, $includeStatuses=true) + { + $profile_array = $this->twitterUserArray($profile, $includeStatuses); + switch ($content_type) { + case 'xml': + $this->showTwitterXmlUser($profile_array); + break; + case 'json': + $this->showJsonObjects($profile_array); + break; + default: + $this->clientError(_('Not a supported data format.')); + return; + } + return; + } + + function getTargetUser($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', $nickname); + } + } + + function sourceLink($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; + } + } + +} |