93d25bec33
(and some API bug fixes) darcs-hash:20080730213226-ca946-eb89bad91eee630ac286d537ba42f0042b8d2109.gz
357 lines
10 KiB
PHP
357 lines
10 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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function handle($args) {
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parent::handle($args);
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}
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function twitter_user_array($profile, $get_notice=false) {
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$twitter_user = array();
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$twitter_user['name'] = $profile->getBestName();
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$twitter_user['followers_count'] = $this->count_subscriptions($profile);
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$twitter_user['screen_name'] = $profile->nickname;
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$twitter_user['description'] = ($profile->bio) ? $profile->bio : NULL;
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$twitter_user['location'] = ($profile->location) ? $profile->location : NULL;
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$twitter_user['id'] = intval($profile->id);
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$avatar = $profile->getAvatar(AVATAR_STREAM_SIZE);
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$twitter_user['profile_image_url'] = ($avatar) ? common_avatar_display_url($avatar) : common_default_avatar(AVATAR_STREAM_SIZE);
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$twitter_user['protected'] = 'false'; # not supported by Laconica yet
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$twitter_user['url'] = ($profile->homepage) ? $profile->homepage : NULL;
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if ($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, $get_user=true) {
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$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) ? intval($notice->reply_to) : NULL;
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$twitter_status['source'] = NULL; # XXX: twitterific, twitterfox, etc. Not supported yet.
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$twitter_status['id'] = intval($notice->id);
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$twitter_status['in_reply_to_user_id'] = ($notice->reply_to) ? $this->replier_by_reply(intval($notice->reply_to)) : NULL;
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$twitter_status['favorited'] = NULL; # XXX: Not implemented on Laconica yet.
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if ($get_user) {
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$profile = $notice->getProfile();
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# Don't get notice (recursive!)
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$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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$profile = $notice->getProfile();
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$server = common_config('site', 'server');
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$entry = array();
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$entry['content'] = $profile->nickname . ': ' . $notice->content;
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$entry['title'] = $entry['content'];
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$entry['link'] = common_local_url('shownotice', array('notice' => $notice->id));;
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$entry['published'] = common_date_iso8601($notice->created);
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$entry['id'] = "tag:$server,$entry[published]:$entry[link]";
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$entry['updated'] = $entry['published'];
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# RSS Item specific
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$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 $entry;
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}
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function show_twitter_xml_status($twitter_status) {
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common_element_start('status');
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foreach($twitter_status as $element => $value) {
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if ($element == 'user') {
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$this->show_twitter_xml_user($twitter_status['user']);
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} else {
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common_element($element, NULL, $value);
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}
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}
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common_element_end('status');
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}
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function show_twitter_xml_user($twitter_user) {
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common_element_start('user');
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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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common_element($element, NULL, $value);
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}
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}
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common_element_end('user');
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}
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function show_twitter_rss_item($entry) {
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common_element_start('item');
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common_element('title', NULL, $entry['title']);
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common_element('description', NULL, $entry['description']);
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common_element('pubDate', NULL, $entry['pubDate']);
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common_element('guid', NULL, $entry['guid']);
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common_element('link', NULL, $entry['link']);
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common_element_end('item');
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}
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function show_twitter_atom_entry($entry) {
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common_element_start('entry');
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common_element('title', NULL, $entry['title']);
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common_element('content', array('type' => 'html'), $entry['title']);
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common_element('id', NULL, $entry['id']);
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common_element('published', NULL, $entry['published']);
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common_element('updated', NULL, $entry['updated']);
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common_element('link', array('href' => $entry['link'], 'rel' => 'alternate', 'type' => 'text/html'), NULL);
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common_element_end('entry');
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}
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function show_twitter_json_statuses($twitter_statuses) {
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print(json_encode($twitter_statuses));
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}
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function show_twitter_json_users($twitter_users) {
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print(json_encode($twitter_users));
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}
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function show($args, $apidata) {
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parent::handle($args);
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$id = $apidata['api_arg'];
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$notice = Notice::staticGet($id);
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if ($notice) {
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if ($apidata['content-type'] == 'xml') {
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$this->show_single_xml_status($notice);
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} elseif ($apidata['content-type'] == 'json') {
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$this->show_single_json_status($notice);
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}
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} else {
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header('HTTP/1.1 404 Not Found');
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}
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exit();
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}
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function show_single_xml_status($notice) {
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$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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$this->end_document('xml');
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exit();
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}
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function show_single_json_status($notice) {
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$this->init_document('json');
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$status = $this->twitter_status_array($notice);
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$this->show_twitter_json_statuses($status);
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$this->end_document('json');
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exit();
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}
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// Anyone know what date format this is?
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// Twitter's dates look like this: "Mon Jul 14 23:52:38 +0000 2008" -- Zach
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function date_twitter($dt) {
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$t = strtotime($dt);
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return date("D M d G:i:s O Y", $t);
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}
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function replier_by_reply($reply_id) {
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$notice = Notice::staticGet($reply_id);
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if ($notice) {
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$profile = $notice->getProfile();
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if ($profile) {
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return intval($profile->id);
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} else {
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common_debug('Can\'t find a profile for notice: ' . $notice->id, __FILE__);
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}
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} else {
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common_debug("Can't get notice: $reply_id", __FILE__);
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}
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return NULL;
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}
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// XXX: Candidate for a general utility method somewhere?
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function count_subscriptions($profile) {
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$count = 0;
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$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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switch ($type) {
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case 'xml':
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header('Content-Type: application/xml; charset=utf-8');
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common_start_xml();
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break;
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case 'json':
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header('Content-Type: application/json; charset=utf-8');
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break;
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case 'rss':
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header("Content-Type: application/rss+xml; charset=utf-8");
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$this->init_twitter_rss();
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break;
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case 'atom':
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header('Content-Type: application/atom+xml; charset=utf-8');
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$this->init_twitter_atom();
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break;
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default:
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$this->client_error(_('Unsupported type'));
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break;
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}
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return;
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}
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function end_document($type='xml') {
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switch ($type) {
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case 'xml':
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common_end_xml();
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break;
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case 'json':
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break;
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case 'rss':
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$this->end_twitter_rss();
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break;
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case 'atom':
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$this->end_twitter_rss();
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break;
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default:
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$this->client_error(_('Unsupported type'));
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break;
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}
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return;
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}
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function client_error($msg, $code = 400, $content_type = 'json') {
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static $status = array(400 => 'Bad Request',
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401 => 'Unauthorized',
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402 => 'Payment Required',
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403 => 'Forbidden',
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404 => 'Not Found',
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405 => 'Method Not Allowed',
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406 => 'Not Acceptable',
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407 => 'Proxy Authentication Required',
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408 => 'Request Timeout',
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409 => 'Conflict',
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410 => 'Gone',
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411 => 'Length Required',
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412 => 'Precondition Failed',
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413 => 'Request Entity Too Large',
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414 => 'Request-URI Too Long',
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415 => 'Unsupported Media Type',
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416 => 'Requested Range Not Satisfiable',
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417 => 'Expectation Failed');
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$action = $this->trimmed('action');
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common_debug("User error '$code' on '$action': $msg", __FILE__);
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if (!array_key_exists($code, $status)) {
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$code = 400;
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}
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$status_string = $status[$code];
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header('HTTP/1.1 '.$code.' '.$status_string);
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if ($content_type == 'xml') {
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$this->init_document('xml');
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common_element_start('hash');
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common_element('error', NULL, $msg);
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common_element('request', NULL, $_SERVER['REQUEST_URI']);
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common_element_end('hash');
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$this->end_document('xml');
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} else {
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$this->init_document('json');
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$error_array = array('error' => $msg, 'request' => $_SERVER['REQUEST_URI']);
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print(json_encode($error_array));
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$this->end_document('json');
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}
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exit();
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}
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function init_twitter_rss() {
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common_start_xml();
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common_element_start('rss', array('version' => '2.0'));
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}
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function end_twitter_rss() {
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common_element_end('rss');
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common_end_xml();
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}
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function init_twitter_atom() {
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common_start_xml();
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common_element_start('feed', array('xmlns' => 'http://www.w3.org/2005/Atom', 'xml:lang' => 'en-US'));
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}
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function end_twitter_atom() {
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common_end_xml();
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common_element_end('feed');
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}
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function show_profile($profile, $content_type='xml', $notice=NULL) {
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$profile_array = $this->twitter_user_array($profile, true);
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switch ($content_type) {
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case 'xml':
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$this->show_twitter_xml_user($profile_array);
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break;
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case 'json':
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$this->show_twitter_json_users($profile_array);
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break;
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default:
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$this->client_error(_('not a supported data format'));
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return;
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}
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return;
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}
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} |