Merge branch '0.9-release'

* 0.9-release: (874 commits)
  Removed call to NewDirectMessage() until IE return is fixed i.e.,
  Don't show flag user button your own profile
  Fixed HXR response for flag user
  Using the right form class name
  Using common_redirect
  Left a form_data class of a <ul> in the user admin panel
  Added validation to fields in user admin panel
  Added a user admin panel
  Added mobile logos for default and identica themes
  Changed gif to png
  Changed this to action. THANKS zach!
  Doing content negotiation only once
  Add execute bit to pingqueuehandler
  Localisation updates for !StatusNet from !translatewiki.net
  Use the browser's geolocation API to set the location on the notice form
  Add geometa library, and include it.
  Add location form elements to the noticeform, and save their values on submission
  Use the $user object nickname, as login name doesnt have to == nickname anymore with plugins such as ldap/etc
  Revert "Re added NICKNAME_FMT constant to router.php."
  Moved most path and server settings to a new paths admin panel
  ...

Conflicts:
	js/util.js
	locale/it_IT/LC_MESSAGES/statusnet.mo
	locale/mk_MK/LC_MESSAGES/statusnet.mo
	locale/mk_MK/LC_MESSAGES/statusnet.po
	locale/pt_BR/LC_MESSAGES/statusnet.mo
	locale/vi_VN/LC_MESSAGES/statusnet.mo
	plugins/InfiniteScroll/infinitescroll.js
	plugins/Realtime/realtimeupdate.js

1 files changed, 351 insertions, 0 deletions

diff --git a/plugins/TwitterBridge/twitter.php b/plugins/TwitterBridge/twitter.php
new file mode 100644
index 000000000..3c6803e49
--- /dev/null
+++ b/plugins/TwitterBridge/twitter.php
@@ -0,0 +1,351 @@
+<?php
+/*
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2008, 2009, StatusNet, 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('STATUSNET') && !defined('LACONICA')) {
+    exit(1);
+}
+
+define('TWITTER_SERVICE', 1); // Twitter is foreign_service ID 1
+
+require_once INSTALLDIR . '/plugins/TwitterBridge/twitterbasicauthclient.php';
+require_once INSTALLDIR . '/plugins/TwitterBridge/twitteroauthclient.php';
+
+function updateTwitter_user($twitter_id, $screen_name)
+{
+    $uri = 'http://twitter.com/' . $screen_name;
+    $fuser = new Foreign_user();
+
+    $fuser->query('BEGIN');
+
+    // Dropping down to SQL because regular DB_DataObject udpate stuff doesn't seem
+    // to work so good with tables that have multiple column primary keys
+
+    // Any time we update the uri for a forein user we have to make sure there
+    // are no dupe entries first -- unique constraint on the uri column
+
+    $qry = 'UPDATE foreign_user set uri = \'\' WHERE uri = ';
+    $qry .= '\'' . $uri . '\'' . ' AND service = ' . TWITTER_SERVICE;
+
+    $fuser->query($qry);
+
+    // Update the user
+
+    $qry = 'UPDATE foreign_user SET nickname = ';
+    $qry .= '\'' . $screen_name . '\'' . ', uri = \'' . $uri . '\' ';
+    $qry .= 'WHERE id = ' . $twitter_id . ' AND service = ' . TWITTER_SERVICE;
+
+    $fuser->query('COMMIT');
+
+    $fuser->free();
+    unset($fuser);
+
+    return true;
+}
+
+function add_twitter_user($twitter_id, $screen_name)
+{
+
+    $new_uri = 'http://twitter.com/' . $screen_name;
+
+    // Clear out any bad old foreign_users with the new user's legit URL
+    // This can happen when users move around or fakester accounts get
+    // repoed, and things like that.
+
+    $luser = new Foreign_user();
+    $luser->uri = $new_uri;
+    $luser->service = TWITTER_SERVICE;
+    $result = $luser->delete();
+
+    if (empty($result)) {
+        common_log(LOG_WARNING,
+            "Twitter bridge - removed invalid Twitter user squatting on uri: $new_uri");
+    }
+
+    $luser->free();
+    unset($luser);
+
+    // Otherwise, create a new Twitter user
+
+    $fuser = new Foreign_user();
+
+    $fuser->nickname = $screen_name;
+    $fuser->uri = 'http://twitter.com/' . $screen_name;
+    $fuser->id = $twitter_id;
+    $fuser->service = TWITTER_SERVICE;
+    $fuser->created = common_sql_now();
+    $result = $fuser->insert();
+
+    if (empty($result)) {
+        common_log(LOG_WARNING,
+            "Twitter bridge - failed to add new Twitter user: $twitter_id - $screen_name.");
+        common_log_db_error($fuser, 'INSERT', __FILE__);
+    } else {
+        common_debug("Twitter bridge - Added new Twitter user: $screen_name ($twitter_id).");
+    }
+
+    return $result;
+}
+
+// Creates or Updates a Twitter user
+function save_twitter_user($twitter_id, $screen_name)
+{
+
+    // Check to see whether the Twitter user is already in the system,
+    // and update its screen name and uri if so.
+
+    $fuser = Foreign_user::getForeignUser($twitter_id, TWITTER_SERVICE);
+
+    if (!empty($fuser)) {
+
+        $result = true;
+
+        // Only update if Twitter screen name has changed
+
+        if ($fuser->nickname != $screen_name) {
+            $result = updateTwitter_user($twitter_id, $screen_name);
+
+            common_debug('Twitter bridge - Updated nickname (and URI) for Twitter user ' .
+                "$fuser->id to $screen_name, was $fuser->nickname");
+        }
+
+        return $result;
+
+    } else {
+        return add_twitter_user($twitter_id, $screen_name);
+    }
+
+    $fuser->free();
+    unset($fuser);
+
+    return true;
+}
+
+function is_twitter_bound($notice, $flink) {
+
+    // Check to see if notice should go to Twitter
+    if (!empty($flink) && ($flink->noticesync & FOREIGN_NOTICE_SEND)) {
+
+        // If it's not a Twitter-style reply, or if the user WANTS to send replies.
+        if (!preg_match('/^@[a-zA-Z0-9_]{1,15}\b/u', $notice->content) ||
+            ($flink->noticesync & FOREIGN_NOTICE_SEND_REPLY)) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+function broadcast_twitter($notice)
+{
+    $flink = Foreign_link::getByUserID($notice->profile_id,
+                                       TWITTER_SERVICE);
+
+    if (is_twitter_bound($notice, $flink)) {
+        if (TwitterOAuthClient::isPackedToken($flink->credentials)) {
+            return broadcast_oauth($notice, $flink);
+        } else {
+            return broadcast_basicauth($notice, $flink);
+        }
+    }
+
+    return true;
+}
+
+function broadcast_oauth($notice, $flink) {
+    $user = $flink->getUser();
+    $statustxt = format_status($notice);
+    // Convert !groups to #hashes
+    $statustxt = preg_replace('/(^|\s)!([A-Za-z0-9]{1,64})/', "\\1#\\2", $statustxt);
+    $token = TwitterOAuthClient::unpackToken($flink->credentials);
+    $client = new TwitterOAuthClient($token->key, $token->secret);
+    $status = null;
+
+    try {
+        $status = $client->statusesUpdate($statustxt);
+    } catch (OAuthClientCurlException $e) {
+        return process_error($e, $flink);
+    }
+
+    if (empty($status)) {
+
+        // This could represent a failure posting,
+        // or the Twitter API might just be behaving flakey.
+
+        $errmsg = sprintf('Twitter bridge - No data returned by Twitter API when ' .
+                          'trying to send update for %1$s (user id %2$s).',
+                          $user->nickname, $user->id);
+        common_log(LOG_WARNING, $errmsg);
+
+        return false;
+    }
+
+    // Notice crossed the great divide
+
+    $msg = sprintf('Twitter bridge - posted notice %s to Twitter using OAuth.',
+                   $notice->id);
+    common_log(LOG_INFO, $msg);
+
+    return true;
+}
+
+function broadcast_basicauth($notice, $flink)
+{
+    $user = $flink->getUser();
+
+    $statustxt = format_status($notice);
+
+    $client = new TwitterBasicAuthClient($flink);
+    $status = null;
+
+    try {
+        $status = $client->statusesUpdate($statustxt);
+    } catch (HTTP_Request2_Exception $e) {
+        return process_error($e, $flink);
+    }
+
+    if (empty($status)) {
+
+        $errmsg = sprintf('Twitter bridge - No data returned by Twitter API when ' .
+                          'trying to send update for %1$s (user id %2$s).',
+                          $user->nickname, $user->id);
+        common_log(LOG_WARNING, $errmsg);
+
+            $errmsg = sprintf('No data returned by Twitter API when ' .
+                             'trying to send update for %1$s (user id %2$s).',
+                             $user->nickname, $user->id);
+            common_log(LOG_WARNING, $errmsg);
+        return false;
+    }
+
+    $msg = sprintf('Twitter bridge - posted notice %s to Twitter using basic auth.',
+                   $notice->id);
+    common_log(LOG_INFO, $msg);
+
+    return true;
+}
+
+function process_error($e, $flink)
+{
+    $user        = $flink->getUser();
+    $errmsg      = $e->getMessage();
+    $delivered   = false;
+
+    switch($errmsg) {
+     case 'The requested URL returned error: 401':
+        $logmsg = sprintf('Twiter bridge - User %1$s (user id: %2$s) has an invalid ' .
+                          'Twitter screen_name/password combo or an invalid acesss token.',
+                          $user->nickname, $user->id);
+        $delivered = true;
+        remove_twitter_link($flink);
+        break;
+     case 'The requested URL returned error: 403':
+        $logmsg = sprintf('Twitter bridge - User %1$s (user id: %2$s) has exceeded ' .
+                          'his/her Twitter request limit.',
+                          $user->nickname, $user->id);
+        break;
+     default:
+        $logmsg = sprintf('Twitter bridge - cURL error trying to send notice to Twitter ' .
+                          'for user %1$s (user id: %2$s) - ' .
+                          'code: %3$s message: %4$s.',
+                          $user->nickname, $user->id,
+                          $e->getCode(), $e->getMessage());
+        break;
+    }
+
+    common_log(LOG_WARNING, $logmsg);
+
+    return $delivered;
+}
+
+function format_status($notice)
+{
+    // XXX: Hack to get around PHP cURL's use of @ being a a meta character
+    return preg_replace('/^@/', ' @', $notice->content);
+}
+
+function remove_twitter_link($flink)
+{
+    $user = $flink->getUser();
+
+    common_log(LOG_INFO, 'Removing Twitter bridge Foreign link for ' .
+               "user $user->nickname (user id: $user->id).");
+
+    $result = $flink->delete();
+
+    if (empty($result)) {
+        common_log(LOG_ERR, 'Could not remove Twitter bridge ' .
+                   "Foreign_link for $user->nickname (user id: $user->id)!");
+        common_log_db_error($flink, 'DELETE', __FILE__);
+    }
+
+    // Notify the user that her Twitter bridge is down
+
+    if (isset($user->email)) {
+
+        $result = mail_twitter_bridge_removed($user);
+
+        if (!$result) {
+
+            $msg = 'Unable to send email to notify ' .
+              "$user->nickname (user id: $user->id) " .
+              'that their Twitter bridge link was ' .
+              'removed!';
+
+            common_log(LOG_WARNING, $msg);
+        }
+    }
+
+}
+
+/**
+ * Send a mail message to notify a user that her Twitter bridge link
+ * has stopped working, and therefore has been removed.  This can
+ * happen when the user changes her Twitter password, or otherwise
+ * revokes access.
+ *
+ * @param User $user   user whose Twitter bridge link has been removed
+ *
+ * @return boolean success flag
+ */
+
+function mail_twitter_bridge_removed($user)
+{
+    common_init_locale($user->language);
+
+    $profile = $user->getProfile();
+
+    $subject = sprintf(_('Your Twitter bridge has been disabled.'));
+
+    $site_name = common_config('site', 'name');
+
+    $body = sprintf(_('Hi, %1$s. We\'re sorry to inform you that your ' .
+        'link to Twitter has been disabled. We no longer seem to have ' .
+    'permission to update your Twitter status. (Did you revoke ' .
+    '%3$s\'s access?)' . "\n\n" .
+    'You can re-enable your Twitter bridge by visiting your ' .
+    "Twitter settings page:\n\n\t%2\$s\n\n" .
+        "Regards,\n%3\$s\n"),
+        $profile->getBestName(),
+        common_local_url('twittersettings'),
+        common_config('site', 'name'));
+
+    common_init_locale();
+    return mail_to_user($user, $subject, $body);
+}
+