Merge branch '0.8.x' into stats

Conflicts:
	README

11 files changed, 845 insertions, 19 deletions

diff --git a/scripts/getvaliddaemons.php b/scripts/getvaliddaemons.php
new file mode 100755
index 000000000..a10233e69
--- /dev/null
+++ b/scripts/getvaliddaemons.php
@@ -0,0 +1,55 @@
+#!/usr/bin/env php
+<?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/>.
+ */
+
+/**
+ * Utility script to get a list of daemons that should run, based on the
+ * current configuration. This is used by startdaemons.sh to determine what
+ * it should and shouldn't start up. The output is a list of space-separated
+ * daemon names.
+ */
+
+
+# Abort if called from a web server
+if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
+    print "This script must be run from the command line\n";
+    exit();
+}
+
+define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
+define('LACONICA', true);
+
+require_once(INSTALLDIR . '/lib/common.php');
+
+if(common_config('xmpp','enabled')) {
+    echo "xmppdaemon.php jabberqueuehandler.php publicqueuehandler.php ";
+    echo "xmppconfirmhandler.php ";
+}
+if(common_config('memcached','enabled')) {
+    echo "memcachedqueuehandler.php ";
+}
+if(common_config('twitterbridge','enabled')) {
+    echo "twitterstatusfetcher.php ";
+}
+echo "ombqueuehandler.php ";
+echo "twitterqueuehandler.php ";
+echo "facebookqueuehandler.php ";
+echo "pingqueuehandler.php ";
+echo "inboxqueuehandler.php ";
+echo "smsqueuehandler.php ";
diff --git a/scripts/inboxqueuehandler.php b/scripts/inboxqueuehandler.php
new file mode 100755
index 000000000..73d31e854
--- /dev/null
+++ b/scripts/inboxqueuehandler.php
@@ -0,0 +1,69 @@
+#!/usr/bin/env php
+<?php
+/*
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008,2009 Control Yourself, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+// Abort if called from a web server
+
+if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
+    print "This script must be run from the command line\n";
+    exit();
+}
+
+define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
+define('LACONICA', true);
+
+require_once(INSTALLDIR . '/lib/common.php');
+require_once(INSTALLDIR . '/lib/queuehandler.php');
+
+set_error_handler('common_error_handler');
+
+class InboxQueueHandler extends QueueHandler
+{
+    function transport()
+    {
+        return 'inbox';
+    }
+
+	function start() {
+		$this->log(LOG_INFO, "INITIALIZE");
+		return true;
+	}
+
+    function handle_notice($notice)
+    {
+        $this->log(LOG_INFO, "Distributing notice to inboxes for $notice->id");
+        $notice->addToInboxes();
+        $notice->blowSubsCache();
+        return true;
+    }
+
+	function finish() {
+	}
+}
+
+ini_set("max_execution_time", "0");
+ini_set("max_input_time", "0");
+set_time_limit(0);
+mb_internal_encoding('UTF-8');
+
+$id = ($argc > 1) ? $argv[1] : null;
+
+$handler = new InboxQueueHandler($id);
+
+$handler->runOnce();
diff --git a/scripts/jabberqueuehandler.php b/scripts/jabberqueuehandler.php
index 924fc4545..8b6e974c0 100755
--- a/scripts/jabberqueuehandler.php
+++ b/scripts/jabberqueuehandler.php
@@ -54,6 +54,13 @@ class JabberQueueHandler extends XmppQueueHandler
     }
 }
 
+// Abort immediately if xmpp is not enabled, otherwise the daemon chews up
+// lots of CPU trying to connect to unconfigured servers
+if (common_config('xmpp','enabled')==false) {
+    print "Aborting daemon - xmpp is disabled\n";
+    exit();
+}
+
 ini_set("max_execution_time", "0");
 ini_set("max_input_time", "0");
 set_time_limit(0);
@@ -63,4 +70,4 @@ $resource = ($argc > 1) ? $argv[1] : (common_config('xmpp','resource') . '-queue
 
 $handler = new JabberQueueHandler($resource);
 
-$handler->runOnce();
\ No newline at end of file
+$handler->runOnce();
diff --git a/scripts/memcachedqueuehandler.php b/scripts/memcachedqueuehandler.php
new file mode 100755
index 000000000..185b781f7
--- /dev/null
+++ b/scripts/memcachedqueuehandler.php
@@ -0,0 +1,70 @@
+#!/usr/bin/env php
+<?php
+/*
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008,2009 Control Yourself, 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/>.
+ */
+
+// Abort if called from a web server
+
+if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
+    print "This script must be run from the command line\n";
+    exit();
+}
+
+define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
+define('LACONICA', true);
+
+require_once(INSTALLDIR . '/lib/common.php');
+require_once(INSTALLDIR . '/lib/queuehandler.php');
+
+set_error_handler('common_error_handler');
+
+class MemcachedQueueHandler extends QueueHandler
+{
+    function transport()
+    {
+        return 'memcache';
+    }
+
+	function start() {
+		$this->log(LOG_INFO, "INITIALIZE");
+		return true;
+	}
+
+    function handle_notice($notice)
+    {
+        // XXX: fork here
+        $this->log(LOG_INFO, "Blowing memcached for $notice->id");
+        $notice->blowCaches();
+        return true;
+    }
+
+	function finish() {
+	}
+
+}
+
+ini_set("max_execution_time", "0");
+ini_set("max_input_time", "0");
+set_time_limit(0);
+mb_internal_encoding('UTF-8');
+
+$id = ($argc > 1) ? $argv[1] : null;
+
+$handler = new MemcachedQueueHandler($id);
+
+$handler->runOnce();
diff --git a/scripts/publicqueuehandler.php b/scripts/publicqueuehandler.php
index 5075c12df..b0fa22d43 100755
--- a/scripts/publicqueuehandler.php
+++ b/scripts/publicqueuehandler.php
@@ -52,6 +52,13 @@ class PublicQueueHandler extends XmppQueueHandler
     }
 }
 
+// Abort immediately if xmpp is not enabled, otherwise the daemon chews up
+// lots of CPU trying to connect to unconfigured servers
+if (common_config('xmpp','enabled')==false) {
+    print "Aborting daemon - xmpp is disabled\n";
+    exit();
+}
+
 ini_set("max_execution_time", "0");
 ini_set("max_input_time", "0");
 set_time_limit(0);
diff --git a/scripts/startdaemons.sh b/scripts/startdaemons.sh
index c3729761d..3869e95c4 100755
--- a/scripts/startdaemons.sh
+++ b/scripts/startdaemons.sh
@@ -21,10 +21,9 @@
 # Note that the 'maildaemon' needs to run as a mail filter.
 
 DIR=`dirname $0`
+DAEMONS=`php $DIR/getvaliddaemons.php`
 
-for f in xmppdaemon.php jabberqueuehandler.php publicqueuehandler.php \
-         xmppconfirmhandler.php smsqueuehandler.php ombqueuehandler.php \
-         twitterqueuehandler.php facebookqueuehandler.php pingqueuehandler.php; do
+for f in $DAEMONS; do
 
          echo -n "Starting $f...";
 	 php $DIR/$f
diff --git a/scripts/stopdaemons.sh b/scripts/stopdaemons.sh
index 2bb8f9ecb..764037e8f 100755
--- a/scripts/stopdaemons.sh
+++ b/scripts/stopdaemons.sh
@@ -24,7 +24,8 @@ SDIR=`dirname $0`
 DIR=`php $SDIR/getpiddir.php`
 
 for f in jabberhandler ombhandler publichandler smshandler pinghandler \
-	 xmppconfirmhandler xmppdaemon twitterhandler facebookhandler ; do
+	 xmppconfirmhandler xmppdaemon twitterhandler facebookhandler \
+         memcachehandler inboxhandler twitterstatusfetcher; do
 
 	FILES="$DIR/$f.*.pid"
 	for ff in "$FILES" ; do
diff --git a/scripts/synctwitterfriends.php b/scripts/synctwitterfriends.php
index 794301f0f..bd08ba58d 100755
--- a/scripts/synctwitterfriends.php
+++ b/scripts/synctwitterfriends.php
@@ -32,8 +32,25 @@ define('LACONICA', true);
 
 require_once(INSTALLDIR . '/lib/common.php');
 
+// Make a lockfile
+$lockfilename = lockFilename();
+if (!($lockfile = @fopen($lockfilename, "w"))) {
+    print "Already running... exiting.\n";
+    exit(1);
+}
+
+// Obtain an exlcusive lock on file (will fail if script is already going)
+if (!@flock( $lockfile, LOCK_EX | LOCK_NB, &$wouldblock) || $wouldblock) {
+    // Script already running - abort
+    @fclose($lockfile);
+    print "Already running... exiting.\n";
+    exit(1);
+}
+
 $flink = new Foreign_link();
 $flink->service = 1; // Twitter
+$flink->orderBy('last_friendsync');
+$flink->limit(25);  // sync this many users during this run
 $cnt = $flink->find();
 
 print "Updating Twitter friends subscriptions for $cnt users.\n";
@@ -60,8 +77,11 @@ while ($flink->fetch()) {
             continue;
         }
 
-        $result = save_twitter_friends($user, $fuser->id,
-                       $fuser->nickname, $flink->credentials);
+        save_twitter_friends($user, $fuser->id, $fuser->nickname, $flink->credentials);
+
+        $flink->last_friendsync = common_sql_now();
+        $flink->update();
+
         if (defined('SCRIPT_DEBUG')) {
             print "\nDONE\n";
         } else {
@@ -70,4 +90,18 @@ while ($flink->fetch()) {
     }
 }
 
+function lockFilename()
+{
+    $piddir = common_config('daemon', 'piddir');
+    if (!$piddir) {
+        $piddir = '/var/run';
+    }
+
+    return $piddir . '/synctwitterfriends.lock';
+}
+
+// Cleanup
+fclose($lockfile);
+unlink($lockfilename);
+
 exit(0);
diff --git a/scripts/twitterstatusfetcher.php b/scripts/twitterstatusfetcher.php
new file mode 100755
index 000000000..a61ce1b0d
--- /dev/null
+++ b/scripts/twitterstatusfetcher.php
@@ -0,0 +1,577 @@
+#!/usr/bin/env php
+<?php
+/*
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008, Controlez-Vous, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.     See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.     If not, see <http://www.gnu.org/licenses/>.
+ */
+
+// Abort if called from a web server
+if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
+    print "This script must be run from the command line\n";
+    exit();
+}
+
+define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
+define('LACONICA', true);
+
+// Tune number of processes and how often to poll Twitter
+// XXX: Should these things be in config.php?
+define('MAXCHILDREN', 2);
+define('POLL_INTERVAL', 60); // in seconds
+
+// Uncomment this to get useful logging
+define('SCRIPT_DEBUG', true);
+
+require_once(INSTALLDIR . '/lib/common.php');
+require_once(INSTALLDIR . '/lib/daemon.php');
+
+class TwitterStatusFetcher extends Daemon
+{
+
+    private $children = array();
+
+    function name()
+    {
+        return ('twitterstatusfetcher.generic');
+    }
+
+    function run()
+    {
+        do {
+
+            $flinks = $this->refreshFlinks();
+
+            foreach ($flinks as $f){
+
+                // We have to disconnect from the DB before forking so
+                // each sub-process will open its own connection and
+                // avoid stomping on the others
+
+                $conn = &$f->getDatabaseConnection();
+                $conn->disconnect();
+
+                $pid = pcntl_fork();
+
+                if ($pid == -1) {
+                    die ("Couldn't fork!");
+                }
+
+                if ($pid) {
+
+                    // Parent
+                    if (defined('SCRIPT_DEBUG')) {
+                        common_debug("Parent: forked new status fetcher process " . $pid);
+                    }
+
+                    $this->children[] = $pid;
+
+                } else {
+
+                    // Child
+                    $this->getTimeline($f);
+                    exit();
+                }
+
+                // Remove child from ps list as it finishes
+                while(($c = pcntl_wait($status, WNOHANG OR WUNTRACED)) > 0) {
+
+                    if (defined('SCRIPT_DEBUG')) {
+                        common_debug("Child $c finished.");
+                    }
+
+                    $this->remove_ps($this->children, $c);
+                }
+
+                // Wait! We have too many damn kids.
+                if (sizeof($this->children) > MAXCHILDREN) {
+
+                    if (defined('SCRIPT_DEBUG')) {
+                        common_debug('Too many children. Waiting...');
+                    }
+
+                    if (($c = pcntl_wait($status, WUNTRACED)) > 0){
+
+                        if (defined('SCRIPT_DEBUG')) {
+                            common_debug("Finished waiting for $c");
+                        }
+
+                        $this->remove_ps($this->children, $c);
+                    }
+                }
+            }
+
+            // Remove all children from the process list before restarting
+            while(($c = pcntl_wait($status, WUNTRACED)) > 0) {
+
+                if (defined('SCRIPT_DEBUG')) {
+                    common_debug("Child $c finished.");
+                }
+
+                $this->remove_ps($this->children, $c);
+            }
+
+            // Rest for a bit before we fetch more statuses
+
+            if (defined('SCRIPT_DEBUG')) {
+                common_debug('Waiting ' . POLL_INTERVAL .
+                    ' secs before hitting Twitter again.');
+            }
+
+            if (POLL_INTERVAL > 0) {
+                sleep(POLL_INTERVAL);
+            }
+
+        } while (true);
+    }
+
+    function refreshFlinks() {
+
+        $flink = new Foreign_link();
+        $flink->service = 1; // Twitter
+        $flink->orderBy('last_noticesync');
+
+        $cnt = $flink->find();
+
+        if (defined('SCRIPT_DEBUG')) {
+            common_debug('Updating Twitter friends subscriptions' .
+                " for $cnt users.");
+        }
+
+        $flinks = array();
+
+        while ($flink->fetch()) {
+
+            if (($flink->noticesync & FOREIGN_NOTICE_RECV) ==
+                FOREIGN_NOTICE_RECV) {
+                $flinks[] = clone($flink);
+            }
+        }
+
+        $flink->free();
+        unset($flink);
+
+        return $flinks;
+    }
+
+    function remove_ps(&$plist, $ps){
+        for ($i = 0; $i < sizeof($plist); $i++) {
+            if ($plist[$i] == $ps) {
+                unset($plist[$i]);
+                $plist = array_values($plist);
+                break;
+            }
+        }
+    }
+
+    function getTimeline($flink)
+    {
+
+        if (empty($flink)) {
+            common_log(LOG_WARNING,
+                "Can't retrieve Foreign_link for foreign ID $fid");
+            return;
+        }
+
+        $fuser = $flink->getForeignUser();
+
+        if (empty($fuser)) {
+            common_log(LOG_WARNING, "Unmatched user for ID " .
+                $flink->user_id);
+            return;
+        }
+
+        if (defined('SCRIPT_DEBUG')) {
+            common_debug('Trying to get timeline for Twitter user ' .
+                "$fuser->nickname ($flink->foreign_id).");
+        }
+
+        // XXX: Biggest remaining issue - How do we know at which status
+        // to start importing?  How many statuses?  Right now I'm going
+        // with the default last 20.
+
+        $url = 'http://twitter.com/statuses/friends_timeline.json';
+
+        $timeline_json = get_twitter_data($url, $fuser->nickname,
+            $flink->credentials);
+
+        $timeline = json_decode($timeline_json);
+
+        if (empty($timeline)) {
+            common_log(LOG_WARNING, "Empty timeline.");
+            return;
+        }
+
+        // Reverse to preserve order
+        foreach (array_reverse($timeline) as $status) {
+
+            // Hacktastic: filter out stuff coming from this Laconica
+            $source = mb_strtolower(common_config('integration', 'source'));
+
+            if (preg_match("/$source/", mb_strtolower($status->source))) {
+                if (defined('SCRIPT_DEBUG')) {
+                    common_debug('Skipping import of status ' . $status->id .
+                        ' with source ' . $source);
+                }
+                continue;
+            }
+
+            $this->saveStatus($status, $flink);
+        }
+
+        // Okay, record the time we synced with Twitter for posterity
+        $flink->last_noticesync = common_sql_now();
+        $flink->update();
+    }
+
+    function saveStatus($status, $flink)
+    {
+        $id = $this->ensureProfile($status->user);
+        $profile = Profile::staticGet($id);
+
+        if (!$profile) {
+            common_log(LOG_ERR,
+                'Problem saving notice. No associated Profile.');
+            return null;
+        }
+
+        $uri = 'http://twitter.com/' . $status->user->screen_name .
+            '/status/' . $status->id;
+
+        $notice = Notice::staticGet('uri', $uri);
+
+        // check to see if we've already imported the status
+        if (!$notice) {
+
+            $notice = new Notice();
+            $notice->profile_id = $id;
+
+            $notice->query('BEGIN');
+
+            // XXX: figure out reply_to
+            $notice->reply_to = null;
+
+            // XXX: Should this be common_sql_now() instead of status create date?
+
+            $notice->created = strftime('%Y-%m-%d %H:%M:%S',
+                strtotime($status->created_at));
+            $notice->content = $status->text;
+            $notice->rendered = common_render_content($status->text, $notice);
+            $notice->source = 'twitter';
+            $notice->is_local = 0;
+            $notice->uri = $uri;
+
+            $notice_id = $notice->insert();
+
+            if (!$notice_id) {
+                common_log_db_error($notice, 'INSERT', __FILE__);
+                if (defined('SCRIPT_DEBUG')) {
+                    common_debug('Could not save notice!');
+                }
+            }
+
+            // XXX: Figure out a better way to link Twitter replies?
+            $notice->saveReplies();
+
+            // XXX: Do we want to pollute our tag cloud with
+            // hashtags from Twitter?
+            $notice->saveTags();
+            $notice->saveGroups();
+
+            $notice->query('COMMIT');
+
+            if (defined('SCRIPT_DEBUG')) {
+                common_debug("Saved status $status->id" .
+                    " as notice $notice->id.");
+            }
+        }
+
+        if (!Notice_inbox::staticGet('notice_id', $notice->id)) {
+
+            // Add to inbox
+            $inbox = new Notice_inbox();
+            $inbox->user_id = $flink->user_id;
+            $inbox->notice_id = $notice->id;
+            $inbox->created = common_sql_now();
+
+            $inbox->insert();
+        }
+    }
+
+    function ensureProfile($user)
+    {
+        // check to see if there's already a profile for this user
+        $profileurl = 'http://twitter.com/' . $user->screen_name;
+        $profile = Profile::staticGet('profileurl', $profileurl);
+
+        if ($profile) {
+            if (defined('SCRIPT_DEBUG')) {
+                common_debug("Profile for $profile->nickname found.");
+            }
+
+            // Check to see if the user's Avatar has changed
+            $this->checkAvatar($user, $profile);
+
+            return $profile->id;
+
+        } else {
+            if (defined('SCRIPT_DEBUG')) {
+                common_debug('Adding profile and remote profile ' .
+                    "for Twitter user: $profileurl");
+            }
+
+            $profile = new Profile();
+            $profile->query("BEGIN");
+
+            $profile->nickname = $user->screen_name;
+            $profile->fullname = $user->name;
+            $profile->homepage = $user->url;
+            $profile->bio = $user->description;
+            $profile->location = $user->location;
+            $profile->profileurl = $profileurl;
+            $profile->created = common_sql_now();
+
+            $id = $profile->insert();
+
+            if (empty($id)) {
+                common_log_db_error($profile, 'INSERT', __FILE__);
+                $profile->query("ROLLBACK");
+                return false;
+            }
+
+            // check for remote profile
+            $remote_pro = Remote_profile::staticGet('uri', $profileurl);
+
+            if (!$remote_pro) {
+
+                $remote_pro = new Remote_profile();
+
+                $remote_pro->id = $id;
+                $remote_pro->uri = $profileurl;
+                $remote_pro->created = common_sql_now();
+
+                $rid = $remote_pro->insert();
+
+                if (empty($rid)) {
+                    common_log_db_error($profile, 'INSERT', __FILE__);
+                    $profile->query("ROLLBACK");
+                    return false;
+                }
+            }
+
+            $profile->query("COMMIT");
+
+            $this->saveAvatars($user, $id);
+
+            return $id;
+        }
+    }
+
+    function checkAvatar($user, $profile)
+    {
+        global $config;
+
+        $path_parts = pathinfo($user->profile_image_url);
+        $newname = 'Twitter_' . $user->id . '_' .
+            $path_parts['basename'];
+
+        $oldname = $profile->getAvatar(48)->filename;
+
+        if ($newname != $oldname) {
+
+            if (defined('SCRIPT_DEBUG')) {
+                common_debug('Avatar for Twitter user ' .
+                    "$profile->nickname has changed.");
+                common_debug("old: $oldname new: $newname");
+            }
+
+            $img_root = substr($path_parts['basename'], 0, -11);
+            $ext = $path_parts['extension'];
+            $mediatype = $this->getMediatype($ext);
+
+            foreach (array('mini', 'normal', 'bigger') as $size) {
+                $url = $path_parts['dirname'] . '/' .
+                    $img_root . '_' . $size . ".$ext";
+                $filename = 'Twitter_' . $user->id . '_' .
+                    $img_root . "_$size.$ext";
+
+                if ($this->fetchAvatar($url, $filename)) {
+                    $this->updateAvatar($profile->id, $size, $mediatype, $filename);
+                }
+            }
+        }
+    }
+
+    function getMediatype($ext)
+    {
+        $mediatype = null;
+
+        switch (strtolower($ext)) {
+        case 'jpg':
+            $mediatype = 'image/jpg';
+            break;
+        case 'gif':
+            $mediatype = 'image/gif';
+            break;
+        default:
+            $mediatype = 'image/png';
+        }
+
+        return $mediatype;
+    }
+
+    function saveAvatars($user, $id)
+    {
+        global $config;
+
+        $path_parts = pathinfo($user->profile_image_url);
+        $ext = $path_parts['extension'];
+        $end = strlen('_normal' . $ext);
+        $img_root = substr($path_parts['basename'], 0, -($end+1));
+        $mediatype = $this->getMediatype($ext);
+
+        foreach (array('mini', 'normal', 'bigger') as $size) {
+            $url = $path_parts['dirname'] . '/' .
+                $img_root . '_' . $size . ".$ext";
+            $filename = 'Twitter_' . $user->id . '_' .
+                $img_root . "_$size.$ext";
+
+            if ($this->fetchAvatar($url, $filename)) {
+                $this->newAvatar($id, $size, $mediatype, $filename);
+            } else {
+                common_log(LOG_WARNING, "Problem fetching Avatar: $url", __FILE__);
+            }
+        }
+    }
+
+    function updateAvatar($profile_id, $size, $mediatype, $filename) {
+
+        if (defined('SCRIPT_DEBUG')) {
+            common_debug("Updating avatar: $size");
+        }
+
+        $profile = Profile::staticGet($profile_id);
+
+        if (!$profile) {
+            if (defined('SCRIPT_DEBUG')) {
+                common_debug("Couldn't get profile: $profile_id!");
+            }
+            return;
+        }
+
+        $sizes = array('mini' => 24, 'normal' => 48, 'bigger' => 73);
+        $avatar = $profile->getAvatar($sizes[$size]);
+
+        if ($avatar) {
+            if (defined('SCRIPT_DEBUG')) {
+                common_debug("Deleting $size avatar for $profile->nickname.");
+            }
+            @unlink(INSTALLDIR . '/avatar/' . $avatar->filename);
+            $avatar->delete();
+        }
+
+        $this->newAvatar($profile->id, $size, $mediatype, $filename);
+    }
+
+    function newAvatar($profile_id, $size, $mediatype, $filename)
+    {
+        global $config;
+
+        $avatar = new Avatar();
+        $avatar->profile_id = $profile_id;
+
+        switch($size) {
+        case 'mini':
+            $avatar->width  = 24;
+            $avatar->height = 24;
+            break;
+        case 'normal':
+            $avatar->width  = 48;
+            $avatar->height = 48;
+            break;
+        default:
+
+            // Note: Twitter's big avatars are a different size than
+            // Laconica's (Laconica's = 96)
+
+            $avatar->width  = 73;
+            $avatar->height = 73;
+        }
+
+        $avatar->original = 0; // we don't have the original
+        $avatar->mediatype = $mediatype;
+        $avatar->filename = $filename;
+        $avatar->url = Avatar::url($filename);
+
+        if (defined('SCRIPT_DEBUG')) {
+            common_debug("new filename: $avatar->url");
+        }
+
+        $avatar->created = common_sql_now();
+
+        $id = $avatar->insert();
+
+        if (!$id) {
+            common_log_db_error($avatar, 'INSERT', __FILE__);
+            return null;
+        }
+
+        if (defined('SCRIPT_DEBUG')) {
+            common_debug("Saved new $size avatar for $profile_id.");
+        }
+
+        return $id;
+    }
+
+    function fetchAvatar($url, $filename)
+    {
+        $avatar_dir = INSTALLDIR . '/avatar/';
+
+        $avatarfile = $avatar_dir . $filename;
+
+        $out = fopen($avatarfile, 'wb');
+        if (!$out) {
+            common_log(LOG_WARNING, "Couldn't open file $filename", __FILE__);
+            return false;
+        }
+
+        if (defined('SCRIPT_DEBUG')) {
+            common_debug("Fetching avatar: $url");
+        }
+
+        $ch = curl_init();
+        curl_setopt($ch, CURLOPT_URL, $url);
+        curl_setopt($ch, CURLOPT_FILE, $out);
+        curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
+        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
+        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 0);
+        $result = curl_exec($ch);
+        curl_close($ch);
+
+        fclose($out);
+
+        return $result;
+    }
+}
+
+ini_set("max_execution_time", "0");
+ini_set("max_input_time", "0");
+set_time_limit(0);
+mb_internal_encoding('UTF-8');
+declare(ticks = 1);
+
+$fetcher = new TwitterStatusFetcher();
+$fetcher->runOnce();
+
diff --git a/scripts/xmppconfirmhandler.php b/scripts/xmppconfirmhandler.php
index 2b8b085ce..7f39235fe 100755
--- a/scripts/xmppconfirmhandler.php
+++ b/scripts/xmppconfirmhandler.php
@@ -140,6 +140,13 @@ class XmppConfirmHandler extends XmppQueueHandler
     }
 }
 
+// Abort immediately if xmpp is not enabled, otherwise the daemon chews up
+// lots of CPU trying to connect to unconfigured servers
+if (common_config('xmpp','enabled')==false) {
+    print "Aborting daemon - xmpp is disabled\n";
+    exit();
+}
+
 ini_set("max_execution_time", "0");
 ini_set("max_input_time", "0");
 set_time_limit(0);
diff --git a/scripts/xmppdaemon.php b/scripts/xmppdaemon.php
index ef3f8c63d..b79fa1b3b 100755
--- a/scripts/xmppdaemon.php
+++ b/scripts/xmppdaemon.php
@@ -152,11 +152,6 @@ class XMPPDaemon extends Daemon
             $body = preg_replace('/d[\ ]*('. $to .')[\ ]*/', '', $pl['body']);
             $this->add_direct($user, $body, $to, $from);
         } else {
-            $len = mb_strlen($pl['body']);
-            if($len > 140) {
-                $this->from_site($from, 'Message too long - maximum is 140 characters, you sent ' . $len);
-                return;
-            }
             $this->add_notice($user, $pl);
         }
 
@@ -255,15 +250,13 @@ class XMPPDaemon extends Daemon
     function add_notice(&$user, &$pl)
     {
         $body = trim($pl['body']);
-        $content_shortened = common_shorten_link($body);
+        $content_shortened = common_shorten_links($body);
         if (mb_strlen($content_shortened) > 140) {
-            $content = trim(mb_substr($body, 0, 140));
-            $content_shortened = common_shorten_link($content);
-        }
-        else {
-            $content = $body;
+          $from = jabber_normalize_jid($pl['from']);
+          $this->from_site($from, "Message too long - maximum is 140 characters, you sent ".mb_strlen($content_shortened));
+          return;
         }
-        $notice = Notice::saveNew($user->id, $content, 'xmpp');
+        $notice = Notice::saveNew($user->id, $content_shortened, 'xmpp');
         if (is_string($notice)) {
             $this->log(LOG_ERR, $notice);
             return;
@@ -321,6 +314,13 @@ class XMPPDaemon extends Daemon
     }
 }
 
+// Abort immediately if xmpp is not enabled, otherwise the daemon chews up
+// lots of CPU trying to connect to unconfigured servers
+if (common_config('xmpp','enabled')==false) {
+    print "Aborting daemon - xmpp is disabled\n";
+    exit();
+}
+
 ini_set("max_execution_time", "0");
 ini_set("max_input_time", "0");
 set_time_limit(0);