720 lines
22 KiB
PHP
720 lines
22 KiB
PHP
<?php
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/*
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* Laconica - a distributed open-source microblogging tool
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* Copyright (C) 2008, Controlez-Vous, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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if (!defined('LACONICA')) { exit(1); }
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class TwitterapiAction extends Action
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{
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var $auth_user;
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/**
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* Initialization.
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*
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* @param array $args Web and URL arguments
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*
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* @return boolean false if user doesn't exist
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*/
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function prepare($args)
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{
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parent::prepare($args);
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return true;
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}
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/**
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* Handle a request
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*
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* @param array $args Arguments from $_REQUEST
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*
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* @return void
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*/
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function handle($args)
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{
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parent::handle($args);
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}
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/**
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* Overrides XMLOutputter::element to write booleans as strings (true|false).
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* See that method's documentation for more info.
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*
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* @param string $tag Element type or tagname
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* @param array $attrs Array of element attributes, as
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* key-value pairs
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* @param string $content string content of the element
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*
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* @return void
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*/
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function element($tag, $attrs=null, $content=null)
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{
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if (is_bool($content)) {
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$content = ($content ? 'true' : 'false');
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}
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return parent::element($tag, $attrs, $content);
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}
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function twitter_user_array($profile, $get_notice=false)
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{
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$twitter_user = array();
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$twitter_user['id'] = intval($profile->id);
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$twitter_user['name'] = $profile->getBestName();
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$twitter_user['screen_name'] = $profile->nickname;
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$twitter_user['location'] = ($profile->location) ? $profile->location : null;
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$twitter_user['description'] = ($profile->bio) ? $profile->bio : null;
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$avatar = $profile->getAvatar(AVATAR_STREAM_SIZE);
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$twitter_user['profile_image_url'] = ($avatar) ? $avatar->displayUrl() :
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Avatar::defaultImage(AVATAR_STREAM_SIZE);
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$twitter_user['url'] = ($profile->homepage) ? $profile->homepage : null;
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$twitter_user['protected'] = false; # not supported by Laconica yet
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$twitter_user['followers_count'] = $this->count_subscriptions($profile);
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// To be supported soon...
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$twitter_user['profile_background_color'] = '';
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$twitter_user['profile_text_color'] = '';
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$twitter_user['profile_link_color'] = '';
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$twitter_user['profile_sidebar_fill_color'] = '';
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$twitter_user['profile_sidebar_border_color'] = '';
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$subbed = DB_DataObject::factory('subscription');
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$subbed->subscriber = $profile->id;
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$subbed_count = (int) $subbed->count() - 1;
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$twitter_user['friends_count'] = (is_int($subbed_count)) ? $subbed_count : 0;
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$twitter_user['created_at'] = $this->date_twitter($profile->created);
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$faves = DB_DataObject::factory('fave');
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$faves->user_id = $user->id;
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$faves_count = (int) $faves->count();
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$twitter_user['favourites_count'] = $faves_count; // British spelling!
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// Need to pull up the user for some of this
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$user = User::staticGet($profile->id);
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$timezone = 'UTC';
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if ($user->timezone) {
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$timezone = $user->timezone;
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}
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$t = new DateTime;
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$t->setTimezone(new DateTimeZone($timezone));
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$twitter_user['utc_offset'] = $t->format('Z');
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$twitter_user['time_zone'] = $timezone;
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// To be supported some day, perhaps
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$twitter_user['profile_background_image_url'] = '';
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$twitter_user['profile_background_tile'] = false;
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$notices = DB_DataObject::factory('notice');
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$notices->profile_id = $profile->id;
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$notice_count = (int) $notices->count();
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$twitter_user['statuses_count'] = (is_int($notice_count)) ? $notice_count : 0;
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// Is the requesting user following this user?
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$twitter_user['following'] = false;
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$twitter_user['notifications'] = false;
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if (isset($apidata['user'])) {
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$twitter_user['following'] = $apidata['user']->isSubscribed($profile);
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// Notifications on?
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$sub = Subscription::pkeyGet(array('subscriber' =>
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$apidata['user']->id, 'subscribed' => $profile->id));
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if ($sub) {
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$twitter_user['notifications'] = ($sub->jabber || $sub->sms);
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}
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}
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if ($get_notice) {
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$notice = $profile->getCurrentNotice();
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if ($notice) {
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# don't get user!
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$twitter_user['status'] = $this->twitter_status_array($notice, false);
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}
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}
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return $twitter_user;
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}
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function twitter_status_array($notice, $include_user=true)
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{
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$profile = $notice->getProfile();
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$twitter_status = array();
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$twitter_status['text'] = $notice->content;
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$twitter_status['truncated'] = false; # Not possible on Laconica
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$twitter_status['created_at'] = $this->date_twitter($notice->created);
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$twitter_status['in_reply_to_status_id'] = ($notice->reply_to) ?
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intval($notice->reply_to) : null;
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$twitter_status['source'] = $this->source_link($notice->source);
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$twitter_status['id'] = intval($notice->id);
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$replier_profile = null;
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if ($notice->reply_to) {
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$reply = Notice::staticGet(intval($notice->reply_to));
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if ($reply) {
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$replier_profile = $reply->getProfile();
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}
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}
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$twitter_status['in_reply_to_user_id'] =
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($replier_profile) ? intval($replier_profile->id) : null;
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$twitter_status['in_reply_to_screen_name'] =
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($replier_profile) ? $replier_profile->nickname : null;
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if (isset($this->auth_user)) {
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$twitter_status['favorited'] = $this->auth_user->hasFave($notice);
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} else {
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$twitter_status['favorited'] = false;
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}
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if ($include_user) {
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# Don't get notice (recursive!)
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$twitter_user = $this->twitter_user_array($profile, false);
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$twitter_status['user'] = $twitter_user;
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}
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return $twitter_status;
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}
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function twitter_rss_entry_array($notice)
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{
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$profile = $notice->getProfile();
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$entry = array();
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# We trim() to avoid extraneous whitespace in the output
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$entry['content'] = common_xml_safe_str(trim($notice->rendered));
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$entry['title'] = $profile->nickname . ': ' . common_xml_safe_str(trim($notice->content));
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$entry['link'] = common_local_url('shownotice', array('notice' => $notice->id));
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$entry['published'] = common_date_iso8601($notice->created);
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$taguribase = common_config('integration', 'taguri');
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$entry['id'] = "tag:$taguribase:$entry[link]";
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$entry['updated'] = $entry['published'];
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$entry['author'] = $profile->getBestName();
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# RSS Item specific
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$entry['description'] = $entry['content'];
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$entry['pubDate'] = common_date_rfc2822($notice->created);
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$entry['guid'] = $entry['link'];
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return $entry;
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}
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function twitter_rss_dmsg_array($message)
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{
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$entry = array();
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$entry['title'] = sprintf('Message from %s to %s',
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$message->getFrom()->nickname, $message->getTo()->nickname);
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$entry['content'] = common_xml_safe_str(trim($message->content));
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$entry['link'] = common_local_url('showmessage', array('message' => $message->id));
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$entry['published'] = common_date_iso8601($message->created);
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$taguribase = common_config('integration', 'taguri');
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$entry['id'] = "tag:$taguribase,:$entry[link]";
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$entry['updated'] = $entry['published'];
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$entry['author'] = $message->getFrom()->getBestName();
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# RSS Item specific
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$entry['description'] = $entry['content'];
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$entry['pubDate'] = common_date_rfc2822($message->created);
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$entry['guid'] = $entry['link'];
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return $entry;
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}
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function twitter_dmsg_array($message)
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{
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$twitter_dm = array();
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$from_profile = $message->getFrom();
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$to_profile = $message->getTo();
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$twitter_dm['id'] = $message->id;
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$twitter_dm['sender_id'] = $message->from_profile;
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$twitter_dm['text'] = trim($message->content);
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$twitter_dm['recipient_id'] = $message->to_profile;
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$twitter_dm['created_at'] = $this->date_twitter($message->created);
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$twitter_dm['sender_screen_name'] = $from_profile->nickname;
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$twitter_dm['recipient_screen_name'] = $to_profile->nickname;
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$twitter_dm['sender'] = $this->twitter_user_array($from_profile, false);
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$twitter_dm['recipient'] = $this->twitter_user_array($to_profile, false);
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return $twitter_dm;
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}
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function show_twitter_xml_status($twitter_status)
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{
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$this->elementStart('status');
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foreach($twitter_status as $element => $value) {
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switch ($element) {
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case 'user':
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$this->show_twitter_xml_user($twitter_status['user']);
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break;
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case 'text':
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$this->element($element, null, common_xml_safe_str($value));
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break;
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default:
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$this->element($element, null, $value);
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}
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}
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$this->elementEnd('status');
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}
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function show_twitter_xml_user($twitter_user, $role='user')
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{
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$this->elementStart($role);
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foreach($twitter_user as $element => $value) {
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if ($element == 'status') {
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$this->show_twitter_xml_status($twitter_user['status']);
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} else {
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$this->element($element, null, $value);
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}
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}
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$this->elementEnd($role);
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}
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function show_twitter_rss_item($entry)
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{
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$this->elementStart('item');
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$this->element('title', null, $entry['title']);
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$this->element('description', null, $entry['description']);
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$this->element('pubDate', null, $entry['pubDate']);
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$this->element('guid', null, $entry['guid']);
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$this->element('link', null, $entry['link']);
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$this->elementEnd('item');
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}
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function show_json_objects($objects)
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{
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print(json_encode($objects));
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}
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function show_single_xml_status($notice)
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{
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$this->init_document('xml');
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$twitter_status = $this->twitter_status_array($notice);
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$this->show_twitter_xml_status($twitter_status);
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$this->end_document('xml');
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}
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function show_single_json_status($notice)
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{
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$this->init_document('json');
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$status = $this->twitter_status_array($notice);
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$this->show_json_objects($status);
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$this->end_document('json');
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}
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function show_single_xml_dmsg($message)
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{
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$this->init_document('xml');
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$dmsg = $this->twitter_dmsg_array($message);
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$this->show_twitter_xml_dmsg($dmsg);
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$this->end_document('xml');
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}
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function show_single_json_dmsg($message)
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{
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$this->init_document('json');
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$dmsg = $this->twitter_dmsg_array($message);
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$this->show_json_objects($dmsg);
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$this->end_document('json');
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}
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function show_twitter_xml_dmsg($twitter_dm)
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{
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$this->elementStart('direct_message');
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foreach($twitter_dm as $element => $value) {
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switch ($element) {
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case 'sender':
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case 'recipient':
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$this->show_twitter_xml_user($value, $element);
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break;
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case 'text':
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$this->element($element, null, common_xml_safe_str($value));
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break;
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default:
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$this->element($element, null, $value);
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}
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}
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$this->elementEnd('direct_message');
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}
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function show_xml_timeline($notice)
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{
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$this->init_document('xml');
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$this->elementStart('statuses', array('type' => 'array'));
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if (is_array($notice)) {
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foreach ($notice as $n) {
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$twitter_status = $this->twitter_status_array($n);
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$this->show_twitter_xml_status($twitter_status);
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}
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} else {
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while ($notice->fetch()) {
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$twitter_status = $this->twitter_status_array($notice);
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$this->show_twitter_xml_status($twitter_status);
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}
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}
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$this->elementEnd('statuses');
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$this->end_document('xml');
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}
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function show_rss_timeline($notice, $title, $link, $subtitle, $suplink=null)
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{
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$this->init_document('rss');
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$this->elementStart('channel');
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$this->element('title', null, $title);
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$this->element('link', null, $link);
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if (!is_null($suplink)) {
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# For FriendFeed's SUP protocol
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$this->element('link', array('xmlns' => 'http://www.w3.org/2005/Atom',
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'rel' => 'http://api.friendfeed.com/2008/03#sup',
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'href' => $suplink,
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'type' => 'application/json'));
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}
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$this->element('description', null, $subtitle);
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$this->element('language', null, 'en-us');
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$this->element('ttl', null, '40');
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if (is_array($notice)) {
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foreach ($notice as $n) {
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$entry = $this->twitter_rss_entry_array($n);
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$this->show_twitter_rss_item($entry);
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}
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} else {
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while ($notice->fetch()) {
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$entry = $this->twitter_rss_entry_array($notice);
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$this->show_twitter_rss_item($entry);
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}
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}
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$this->elementEnd('channel');
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$this->end_twitter_rss();
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}
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function show_atom_timeline($notice, $title, $id, $link, $subtitle=null, $suplink=null, $selfuri=null)
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{
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$this->init_document('atom');
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$this->element('title', null, $title);
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$this->element('id', null, $id);
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$this->element('link', array('href' => $link, 'rel' => 'alternate', 'type' => 'text/html'), null);
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if (!is_null($suplink)) {
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# For FriendFeed's SUP protocol
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$this->element('link', array('rel' => 'http://api.friendfeed.com/2008/03#sup',
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'href' => $suplink,
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'type' => 'application/json'));
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}
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if (!is_null($selfuri)) {
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$this->element('link', array('href' => $selfuri,
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'rel' => 'self', 'type' => 'application/atom+xml'), null);
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}
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$this->element('updated', null, common_date_iso8601('now'));
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$this->element('subtitle', null, $subtitle);
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if (is_array($notice)) {
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foreach ($notice as $n) {
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$this->raw($n->asAtomEntry());
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}
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} else {
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while ($notice->fetch()) {
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$this->raw($notice->asAtomEntry());
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}
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}
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$this->end_document('atom');
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}
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function show_json_timeline($notice)
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{
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$this->init_document('json');
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$statuses = array();
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if (is_array($notice)) {
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foreach ($notice as $n) {
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$twitter_status = $this->twitter_status_array($n);
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array_push($statuses, $twitter_status);
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}
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} else {
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while ($notice->fetch()) {
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$twitter_status = $this->twitter_status_array($notice);
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array_push($statuses, $twitter_status);
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}
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}
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$this->show_json_objects($statuses);
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$this->end_document('json');
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}
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// Anyone know what date format this is?
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// Twitter's dates look like this: "Mon Jul 14 23:52:38 +0000 2008" -- Zach
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function date_twitter($dt)
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{
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$t = strtotime($dt);
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return date("D M d H:i:s O Y", $t);
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}
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// XXX: Candidate for a general utility method somewhere?
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function count_subscriptions($profile)
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{
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$count = 0;
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$sub = new Subscription();
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$sub->subscribed = $profile->id;
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$count = $sub->find();
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if ($count > 0) {
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return $count - 1;
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} else {
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return 0;
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}
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}
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function init_document($type='xml')
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{
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switch ($type) {
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case 'xml':
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header('Content-Type: application/xml; charset=utf-8');
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$this->startXML();
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break;
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case 'json':
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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':
|
|
$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:
|
|
$this->client_error(_('Not a supported data format.'));
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
function client_error($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');
|
|
$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'));
|
|
}
|
|
|
|
function end_twitter_rss()
|
|
{
|
|
$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'));
|
|
}
|
|
|
|
function end_twitter_atom()
|
|
{
|
|
$this->elementEnd('feed');
|
|
$this->endXML();
|
|
}
|
|
|
|
function show_profile($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;
|
|
}
|
|
|
|
}
|