diff options
Diffstat (limited to 'lib/twitterapi.php')
-rw-r--r-- | lib/twitterapi.php | 583 |
1 files changed, 583 insertions, 0 deletions
diff --git a/lib/twitterapi.php b/lib/twitterapi.php new file mode 100644 index 000000000..2083e8961 --- /dev/null +++ b/lib/twitterapi.php @@ -0,0 +1,583 @@ +<?php +/* + * Laconica - a distributed open-source microblogging tool + * Copyright (C) 2008, Controlez-Vous, Inc. + * + * 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/>. + */ + +if (!defined('LACONICA')) { exit(1); } + +class TwitterapiAction extends Action { + + var $auth_user; + + function handle($args) { + parent::handle($args); + } + + function twitter_user_array($profile, $get_notice=false) { + + $twitter_user = array(); + + $twitter_user['name'] = $profile->getBestName(); + $twitter_user['followers_count'] = $this->count_subscriptions($profile); + $twitter_user['screen_name'] = $profile->nickname; + $twitter_user['description'] = ($profile->bio) ? $profile->bio : NULL; + $twitter_user['location'] = ($profile->location) ? $profile->location : NULL; + $twitter_user['id'] = intval($profile->id); + + $avatar = $profile->getAvatar(AVATAR_STREAM_SIZE); + + $twitter_user['profile_image_url'] = ($avatar) ? common_avatar_display_url($avatar) : common_default_avatar(AVATAR_STREAM_SIZE); + $twitter_user['protected'] = 'false'; # not supported by Laconica yet + $twitter_user['url'] = ($profile->homepage) ? $profile->homepage : NULL; + + if ($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 Laconica + $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); + $twitter_status['in_reply_to_user_id'] = ($notice->reply_to) ? $this->replier_by_reply(intval($notice->reply_to)) : NULL; + + if (isset($this->auth_user)) { + $twitter_status['favorited'] = ($this->auth_user->hasFave($notice)) ? 'true' : 'false'; + } else { + $twitter_status['favorited'] = 'false'; + } + + if ($include_user) { + # Don't get notice (recursive!) + $twitter_user = $this->twitter_user_array($profile, false); + $twitter_status['user'] = $twitter_user; + } + + return $twitter_status; + } + + function twitter_rss_entry_array($notice) { + + $profile = $notice->getProfile(); + + $server = common_config('site', 'server'); + $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); + $entry['id'] = "tag:$server,2008:$entry[link]"; + $entry['updated'] = $entry['published']; + + # RSS Item specific + $entry['description'] = $entry['content']; + $entry['pubDate'] = common_date_rfc2822($notice->created); + $entry['guid'] = $entry['link']; + + return $entry; + } + + function twitter_rss_dmsg_array($message) { + + $server = common_config('site', 'server'); + $entry = array(); + + $entry['title'] = sprintf('Message from %s to %s', + $message->getFrom()->nickname, $message->getTo()->nickname); + + $entry['content'] = common_xml_safe_str(trim($message->content)); + $entry['link'] = common_local_url('showmessage', array('message' => $message->id)); + $entry['published'] = common_date_iso8601($message->created); + $entry['id'] = "tag:$server,2008:$entry[link]"; + $entry['updated'] = $entry['published']; + + # RSS Item specific + $entry['description'] = $entry['content']; + $entry['pubDate'] = common_date_rfc2822($message->created); + $entry['guid'] = $entry['link']; + + return $entry; + } + + function twitter_dmsg_array($message) { + + $twitter_dm = array(); + + $from_profile = $message->getFrom(); + $to_profile = $message->getTo(); + + $twitter_dm['id'] = $message->id; + $twitter_dm['sender_id'] = $message->from_profile; + $twitter_dm['text'] = trim($message->content); + $twitter_dm['recipient_id'] = $message->to_profile; + $twitter_dm['created_at'] = $this->date_twitter($message->created); + $twitter_dm['sender_screen_name'] = $from_profile->nickname; + $twitter_dm['recipient_screen_name'] = $to_profile->nickname; + $twitter_dm['sender'] = $this->twitter_user_array($from_profile, false); + $twitter_dm['recipient'] = $this->twitter_user_array($to_profile, false); + + return $twitter_dm; + } + + function show_twitter_xml_status($twitter_status) { + common_element_start('status'); + foreach($twitter_status as $element => $value) { + switch ($element) { + case 'user': + $this->show_twitter_xml_user($twitter_status['user']); + break; + case 'text': + common_element($element, NULL, common_xml_safe_str($value)); + break; + default: + common_element($element, NULL, $value); + } + } + common_element_end('status'); + } + + function show_twitter_xml_user($twitter_user, $role='user') { + common_element_start($role); + foreach($twitter_user as $element => $value) { + if ($element == 'status') { + $this->show_twitter_xml_status($twitter_user['status']); + } else { + common_element($element, NULL, $value); + } + } + common_element_end($role); + } + + function show_twitter_rss_item($entry) { + common_element_start('item'); + common_element('title', NULL, $entry['title']); + common_element('description', NULL, $entry['description']); + common_element('pubDate', NULL, $entry['pubDate']); + common_element('guid', NULL, $entry['guid']); + common_element('link', NULL, $entry['link']); + common_element_end('item'); + } + + function show_twitter_atom_entry($entry) { + common_element_start('entry'); + common_element('title', NULL, $entry['title']); + common_element('content', array('type' => 'html'), $entry['content']); + common_element('id', NULL, $entry['id']); + common_element('published', NULL, $entry['published']); + common_element('updated', NULL, $entry['updated']); + common_element('link', array('href' => $entry['link'], 'rel' => 'alternate', 'type' => 'text/html'), NULL); + common_element_end('entry'); + } + + function show_json_objects($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); + $this->end_document('json'); + } + + function show_single_xml_dmsg($message) { + $this->init_document('xml'); + $dmsg = $this->twitter_dmsg_array($message); + $this->show_twitter_xml_dmsg($dmsg); + $this->end_document('xml'); + } + + function show_single_json_dmsg($message) { + $this->init_document('json'); + $dmsg = $this->twitter_dmsg_array($message); + $this->show_json_objects($dmsg); + $this->end_document('json'); + } + + function show_twitter_xml_dmsg($twitter_dm) { + common_element_start('direct_message'); + foreach($twitter_dm as $element => $value) { + switch ($element) { + case 'sender': + case 'recipient': + $this->show_twitter_xml_user($value, $element); + break; + case 'text': + common_element($element, NULL, common_xml_safe_str($value)); + break; + default: + common_element($element, NULL, $value); + } + } + common_element_end('direct_message'); + } + + function show_xml_timeline($notice) { + + $this->init_document('xml'); + common_element_start('statuses', array('type' => 'array')); + + if (is_array($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); + } + } + + common_element_end('statuses'); + $this->end_document('xml'); + } + + function show_rss_timeline($notice, $title, $link, $subtitle, $suplink=NULL) { + + $this->init_document('rss'); + + common_element_start('channel'); + common_element('title', NULL, $title); + common_element('link', NULL, $link); + if (!is_null($suplink)) { + # For FriendFeed's SUP protocol + common_element('link', array('xmlns' => 'http://www.w3.org/2005/Atom', + 'rel' => 'http://api.friendfeed.com/2008/03#sup', + 'href' => $suplink, + 'type' => 'application/json')); + } + common_element('description', NULL, $subtitle); + common_element('language', NULL, 'en-us'); + common_element('ttl', NULL, '40'); + + if (is_array($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); + } + } + + common_element_end('channel'); + $this->end_twitter_rss(); + } + + function show_atom_timeline($notice, $title, $id, $link, $subtitle=NULL, $suplink=NULL) { + + $this->init_document('atom'); + + common_element('title', NULL, $title); + common_element('id', NULL, $id); + common_element('link', array('href' => $link, 'rel' => 'alternate', 'type' => 'text/html'), NULL); + if (!is_null($suplink)) { + # For FriendFeed's SUP protocol + common_element('link', array('rel' => 'http://api.friendfeed.com/2008/03#sup', + 'href' => $suplink, + 'type' => 'application/json')); + } + common_element('subtitle', NULL, $subtitle); + + if (is_array($notice)) { + foreach ($notice as $n) { + $entry = $this->twitter_rss_entry_array($n); + $this->show_twitter_atom_entry($entry); + } + } else { + while ($notice->fetch()) { + $entry = $this->twitter_rss_entry_array($notice); + $this->show_twitter_atom_entry($entry); + } + } + + $this->end_document('atom'); + + } + + function show_json_timeline($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); + + $this->end_document('json'); + } + + // Anyone know what date format this is? + // Twitter's dates look like this: "Mon Jul 14 23:52:38 +0000 2008" -- Zach + function date_twitter($dt) { + $t = strtotime($dt); + return date("D M d G:i:s O Y", $t); + } + + function replier_by_reply($reply_id) { + $notice = Notice::staticGet($reply_id); + if ($notice) { + $profile = $notice->getProfile(); + if ($profile) { + return intval($profile->id); + } else { + common_debug('Can\'t find a profile for notice: ' . $notice->id, __FILE__); + } + } else { + common_debug("Can't get notice: $reply_id", __FILE__); + } + return NULL; + } + + // XXX: Candidate for a general utility method somewhere? + function count_subscriptions($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'); + common_start_xml(); + 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: + $this->client_error(_('Not a supported data format.')); + break; + } + + return; + } + + function end_document($type='xml') { + switch ($type) { + case 'xml': + common_end_xml(); + 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: + $this->client_error(_('Not a supported data format.')); + break; + } + return; + } + + function client_error($msg, $code = 400, $content_type = 'json') { + + static $status = array(400 => 'Bad Request', + 401 => 'Unauthorized', + 402 => 'Payment Required', + 403 => 'Forbidden', + 404 => 'Not Found', + 405 => 'Method Not Allowed', + 406 => 'Not Acceptable', + 407 => 'Proxy Authentication Required', + 408 => 'Request Timeout', + 409 => 'Conflict', + 410 => 'Gone', + 411 => 'Length Required', + 412 => 'Precondition Failed', + 413 => 'Request Entity Too Large', + 414 => 'Request-URI Too Long', + 415 => 'Unsupported Media Type', + 416 => 'Requested Range Not Satisfiable', + 417 => 'Expectation Failed'); + + $action = $this->trimmed('action'); + + common_debug("User error '$code' on '$action': $msg", __FILE__); + + if (!array_key_exists($code, $status)) { + $code = 400; + } + + $status_string = $status[$code]; + header('HTTP/1.1 '.$code.' '.$status_string); + + if ($content_type == 'xml') { + $this->init_document('xml'); + common_element_start('hash'); + common_element('error', NULL, $msg); + common_element('request', NULL, $_SERVER['REQUEST_URI']); + common_element_end('hash'); + $this->end_document('xml'); + } else { + $this->init_document('json'); + $error_array = array('error' => $msg, 'request' => $_SERVER['REQUEST_URI']); + print(json_encode($error_array)); + $this->end_document('json'); + } + + } + + function init_twitter_rss() { + common_start_xml(); + common_element_start('rss', array('version' => '2.0')); + } + + function end_twitter_rss() { + common_element_end('rss'); + common_end_xml(); + } + + function init_twitter_atom() { + common_start_xml(); + common_element_start('feed', array('xmlns' => 'http://www.w3.org/2005/Atom', 'xml:lang' => 'en-US')); + } + + function end_twitter_atom() { + common_end_xml(); + common_element_end('feed'); + } + + function show_profile($profile, $content_type='xml', $notice=NULL) { + $profile_array = $this->twitter_user_array($profile, true); + switch ($content_type) { + case 'xml': + $this->show_twitter_xml_user($profile_array); + break; + case 'json': + $this->show_json_objects($profile_array); + break; + default: + $this->client_error(_('Not a supported data format.')); + return; + } + return; + } + + function get_user($id, $apidata=NULL) { + if (!$id) { + return $apidata['user']; + } else if (is_numeric($id)) { + return User::staticGet($id); + } else { + $nickname = common_canonical_nickname($id); + return User::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; + } + +}
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