Merge branch '0.8.x' into stats

Conflicts:
	README

26 files changed, 1199 insertions, 192 deletions

diff --git a/lib/Shorturl_api.php b/lib/Shorturl_api.php
index fe106cb83..924aa93a8 100644
--- a/lib/Shorturl_api.php
+++ b/lib/Shorturl_api.php
@@ -22,6 +22,7 @@ if (!defined('LACONICA')) { exit(1); }
 class ShortUrlApi
 {
     protected $service_url;
+    protected $long_limit = 27;
 
     function __construct($service_url)
     {
@@ -39,7 +40,7 @@ class ShortUrlApi
     }
 
     private function is_long($url) {
-        return strlen($url) >= 30;
+        return strlen($url) >= $this->long_limit;
     }
 
     protected function http_post($data) {
diff --git a/lib/action.php b/lib/action.php
index 3e43ffe3e..6a69d2651 100644
--- a/lib/action.php
+++ b/lib/action.php
@@ -98,15 +98,15 @@ class Action extends HTMLOutputter // lawsuit
             Event::handle('EndShowHTML', array($this));
         }
         if (Event::handle('StartShowHead', array($this))) {
-        $this->showHead();
+            $this->showHead();
             Event::handle('EndShowHead', array($this));
         }
         if (Event::handle('StartShowBody', array($this))) {
-        $this->showBody();
+            $this->showBody();
             Event::handle('EndShowBody', array($this));
         }
         if (Event::handle('StartEndHTML', array($this))) {
-        $this->endHTML();
+            $this->endHTML();
             Event::handle('EndEndHTML', array($this));
         }
     }
@@ -243,6 +243,12 @@ class Action extends HTMLOutputter // lawsuit
                 $this->element('script', array('type' => 'text/javascript',
                                                'src' => common_path('js/jquery.form.js')),
                                ' ');
+
+                $this->element('script', array('type' => 'text/javascript',
+                                               'src' => common_path('js/jquery.joverlay.min.js')),
+                               ' ');
+
+
                 Event::handle('EndShowJQueryScripts', array($this));
             }
             if (Event::handle('StartShowLaconicaScripts', array($this))) {
@@ -347,7 +353,7 @@ class Action extends HTMLOutputter // lawsuit
     {
         $this->elementStart('body', (common_current_user()) ? array('id' => $this->trimmed('action'),
                                                                     'class' => 'user_in')
-                                                            : array('id' => $this->trimmed('action')));
+                            : array('id' => $this->trimmed('action')));
         $this->elementStart('div', array('id' => 'wrap'));
         if (Event::handle('StartShowHeader', array($this))) {
             $this->showHeader();
@@ -431,10 +437,10 @@ class Action extends HTMLOutputter // lawsuit
                                     _('Connect'), _('Connect to SMS, Twitter'), false, 'nav_connect');
                 }
                 $this->menuItem(common_local_url('invite'),
-                                 _('Invite'),
-                                 sprintf(_('Invite friends and colleagues to join you on %s'),
-                                 common_config('site', 'name')),
-                                 false, 'nav_invitecontact');
+                                _('Invite'),
+                                sprintf(_('Invite friends and colleagues to join you on %s'),
+                                        common_config('site', 'name')),
+                                false, 'nav_invitecontact');
                 $this->menuItem(common_local_url('logout'),
                                 _('Logout'), _('Logout from the site'), false, 'nav_logout');
             }
@@ -591,7 +597,10 @@ class Action extends HTMLOutputter // lawsuit
                                         'class' => 'system_notice'));
         $this->element('dt', null, _('Page notice'));
         $this->elementStart('dd');
-        $this->showPageNotice();
+        if (Event::handle('StartShowPageNotice', array($this))) {
+            $this->showPageNotice();
+            Event::handle('EndShowPageNotice', array($this));
+        }
         $this->elementEnd('dd');
         $this->elementEnd('dl');
     }
@@ -629,7 +638,7 @@ class Action extends HTMLOutputter // lawsuit
         $this->elementStart('div', array('id' => 'aside_primary',
                                          'class' => 'aside'));
         if (Event::handle('StartShowExportData', array($this))) {
-        $this->showExportData();
+            $this->showExportData();
             Event::handle('EndShowExportData', array($this));
         }
         if (Event::handle('StartShowSections', array($this))) {
diff --git a/lib/attachmentlist.php b/lib/attachmentlist.php
new file mode 100644
index 000000000..9485fe3d6
--- /dev/null
+++ b/lib/attachmentlist.php
@@ -0,0 +1,300 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * widget for displaying a list of notice attachments
+ *
+ * PHP version 5
+ *
+ * LICENCE: 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/>.
+ *
+ * @category  UI
+ * @package   Laconica
+ * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @author    Sarven Capadisli <csarven@controlyourself.ca>
+ * @copyright 2008 Control Yourself, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://laconi.ca/
+ */
+
+if (!defined('LACONICA')) {
+    exit(1);
+}
+
+/**
+ * widget for displaying a list of notice attachments
+ *
+ * There are a number of actions that display a list of notices, in
+ * reverse chronological order. This widget abstracts out most of the
+ * code for UI for notice lists. It's overridden to hide some
+ * data for e.g. the profile page.
+ *
+ * @category UI
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://laconi.ca/
+ * @see      Notice
+ * @see      StreamAction
+ * @see      NoticeListItem
+ * @see      ProfileNoticeList
+ */
+
+class AttachmentList extends Widget
+{
+    /** the current stream of notices being displayed. */
+
+    var $notice = null;
+
+    /**
+     * constructor
+     *
+     * @param Notice $notice stream of notices from DB_DataObject
+     */
+
+    function __construct($notice, $out=null)
+    {
+        parent::__construct($out);
+        $this->notice = $notice;
+    }
+
+    /**
+     * show the list of notices
+     *
+     * "Uses up" the stream by looping through it. So, probably can't
+     * be called twice on the same list.
+     *
+     * @return int count of notices listed.
+     */
+
+    function show()
+    {
+//        $this->out->elementStart('div', array('id' =>'attachments_primary'));
+        $this->out->elementStart('div', array('id' =>'content'));
+        $this->out->element('h2', null, _('Attachments'));
+        $this->out->elementStart('ul', array('class' => 'attachments'));
+
+        $atts = new File;
+        $att = $atts->getAttachments($this->notice->id);
+        foreach ($att as $n=>$attachment) {
+            $item = $this->newListItem($attachment);
+            $item->show();
+        }
+
+        $this->out->elementEnd('ul');
+        $this->out->elementEnd('div');
+
+        return count($att);
+    }
+
+    /**
+     * returns a new list item for the current notice
+     *
+     * Recipe (factory?) method; overridden by sub-classes to give
+     * a different list item class.
+     *
+     * @param Notice $notice the current notice
+     *
+     * @return NoticeListItem a list item for displaying the notice
+     */
+
+    function newListItem($attachment)
+    {
+        return new AttachmentListItem($attachment, $this->out);
+    }
+}
+
+/**
+ * widget for displaying a single notice
+ *
+ * This widget has the core smarts for showing a single notice: what to display,
+ * where, and under which circumstances. Its key method is show(); this is a recipe
+ * that calls all the other show*() methods to build up a single notice. The
+ * ProfileNoticeListItem subclass, for example, overrides showAuthor() to skip
+ * author info (since that's implicit by the data in the page).
+ *
+ * @category UI
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://laconi.ca/
+ * @see      NoticeList
+ * @see      ProfileNoticeListItem
+ */
+
+class AttachmentListItem extends Widget
+{
+    /** The attachment this item will show. */
+
+    var $attachment = null;
+
+    var $oembed = null;
+
+    /**
+     * constructor
+     *
+     * Also initializes the profile attribute.
+     *
+     * @param Notice $notice The notice we'll display
+     */
+
+    function __construct($attachment, $out=null)
+    {
+        parent::__construct($out);
+        $this->attachment  = $attachment;
+        $this->oembed = File_oembed::staticGet('file_id', $this->attachment->id);
+    }
+
+    function title() {
+        if (empty($this->attachment->title)) {
+            if (empty($this->oembed->title)) {
+                $title = $this->attachment->url;
+            } else {
+                $title = $this->oembed->title;
+            }
+        } else {
+            $title = $this->attachment->title;
+        }
+
+        return $title;
+    }
+
+    function linkTitle() {
+        return 'Our page for ' . $this->title();
+    }
+
+    /**
+     * recipe function for displaying a single notice.
+     *
+     * This uses all the other methods to correctly display a notice. Override
+     * it or one of the others to fine-tune the output.
+     *
+     * @return void
+     */
+
+    function show()
+    {
+        $this->showStart();
+        $this->showNoticeAttachment();
+        $this->showEnd();
+    }
+
+    function linkAttr() {
+        return array('class' => 'attachment', 'href' => common_local_url('attachment', array('attachment' => $this->attachment->id)));
+    }
+
+    function showLink() {
+        $attr = $this->linkAttr();
+        $text = $this->linkTitle();
+        $this->out->elementStart('h4');
+        $this->out->element('a', $attr, $text);
+
+        if ($this->attachment->url !== $this->title())
+            $this->out->element('span', null, " ({$this->attachment->url})");
+
+
+        $this->out->elementEnd('h4');
+    }
+
+    function showNoticeAttachment()
+    {
+        $this->showLink();
+        $this->showRepresentation();
+    }
+
+    function showRepresentation() {
+        $thumbnail = File_thumbnail::staticGet('file_id', $this->attachment->id);
+        if (!empty($thumbnail)) {
+            $this->out->elementStart('a', $this->linkAttr()/*'href' => $this->linkTo()*/);
+            $this->out->element('img', array('alt' => 'nothing to say', 'src' => $thumbnail->url, 'width' => $thumbnail->width, 'height' => $thumbnail->height));
+            $this->out->elementEnd('a');
+        }
+    }
+
+    /**
+     * start a single notice.
+     *
+     * @return void
+     */
+
+    function showStart()
+    {
+        // XXX: RDFa
+        // TODO: add notice_type class e.g., notice_video, notice_image
+        $this->out->elementStart('li');
+    }
+
+    /**
+     * finish the notice
+     *
+     * Close the last elements in the notice list item
+     *
+     * @return void
+     */
+
+    function showEnd()
+    {
+        $this->out->elementEnd('li');
+    }
+}
+
+class Attachment extends AttachmentListItem
+{
+    function show() {
+        $this->showNoticeAttachment();
+    }
+
+    function linkAttr() {
+        return array('class' => 'external', 'href' => $this->attachment->url);
+    }
+
+    function linkTitle() {
+        return 'Direct link to ' . $this->title();
+    }
+
+    function showRepresentation() {
+        if (empty($this->oembed->type)) {
+            if (empty($this->attachment->mimetype)) {
+                $this->out->element('pre', null, 'oh well... not sure how to handle the following: ' . print_r($this->attachment, true));
+            } else {
+                switch ($this->attachment->mimetype) {
+                case 'image/gif':
+                case 'image/png':
+                case 'image/jpg':
+                case 'image/jpeg':
+                    $this->out->element('img', array('src' => $this->attachment->url, 'alt' => 'alt'));
+                    break;
+                }
+            }
+        } else {
+            switch ($this->oembed->type) {
+            case 'rich':
+            case 'video':
+            case 'link':
+                if (!empty($this->oembed->html)) {
+                    $this->out->raw($this->oembed->html);
+                }
+                break;
+
+            case 'photo':
+                $this->out->element('img', array('src' => $this->oembed->url, 'width' => $this->oembed->width, 'height' => $this->oembed->height, 'alt' => 'alt'));
+                break;
+
+            default:
+                $this->out->element('pre', null, 'oh well... not sure how to handle the following oembed: ' . print_r($this->oembed, true));
+            }
+        }
+    }
+}
+
diff --git a/lib/attachmentnoticesection.php b/lib/attachmentnoticesection.php
new file mode 100644
index 000000000..eb3176376
--- /dev/null
+++ b/lib/attachmentnoticesection.php
@@ -0,0 +1,75 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * FIXME
+ *
+ * PHP version 5
+ *
+ * LICENCE: 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/>.
+ *
+ * @category  Widget
+ * @package   Laconica
+ * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @copyright 2009 Control Yourself, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://laconi.ca/
+ */
+
+if (!defined('LACONICA')) {
+    exit(1);
+}
+
+/**
+ * FIXME
+ *
+ * These are the widgets that show interesting data about a person * group, or site.
+ *
+ * @category Widget
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://laconi.ca/
+ */
+
+class AttachmentNoticeSection extends NoticeSection
+{
+    function showContent() {
+        parent::showContent();
+        return false;
+    }
+
+    function getNotices()
+    {
+        $notice = new Notice;
+        $f2p = new File_to_post;
+        $f2p->file_id = $this->out->attachment->id;
+        $notice->joinAdd($f2p);
+        $notice->orderBy('created desc');
+        $notice->selectAdd('post_id as id');
+        $notice->find();
+        return $notice; 
+    }
+
+    function title()
+    {
+        return _('Notices where this attachment appears');
+    }
+
+    function divId()
+    {
+        return 'popular_notices';
+    }
+}
+
diff --git a/lib/attachmentsection.php b/lib/attachmentsection.php
new file mode 100644
index 000000000..20e620b9b
--- /dev/null
+++ b/lib/attachmentsection.php
@@ -0,0 +1,80 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Base class for sections showing lists of attachments
+ *
+ * PHP version 5
+ *
+ * LICENCE: 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/>.
+ *
+ * @category  Widget
+ * @package   Laconica
+ * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @copyright 2009 Control Yourself, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://laconi.ca/
+ */
+
+if (!defined('LACONICA')) {
+    exit(1);
+}
+
+define('ATTACHMENTS_PER_SECTION', 6);
+
+/**
+ * Base class for sections showing lists of attachments
+ *
+ * These are the widgets that show interesting data about a person
+ * group, or site.
+ *
+ * @category Widget
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://laconi.ca/
+ */
+
+class AttachmentSection extends Section
+{
+    function showContent()
+    {
+        $attachments = $this->getAttachments();
+
+        $cnt = 0;
+
+        $this->out->elementStart('ul', 'attachments');
+
+        while ($attachments->fetch() && ++$cnt <= ATTACHMENTS_PER_SECTION) {
+            $this->showAttachment($attachments);
+        }
+
+        $this->out->elementEnd('ul');
+
+        return ($cnt > ATTACHMENTS_PER_SECTION);
+    }
+
+    function getAttachments()
+    {
+        return null;
+    }
+
+    function showAttachment($attachment)
+    {
+        $this->out->elementStart('li');
+        $this->out->element('a', array('class' => 'attachment', 'href' => common_local_url('attachment', array('attachment' => $attachment->file_id))), "Attachment tagged {$attachment->c} times");
+        $this->out->elementEnd('li');
+    }
+}
+
diff --git a/lib/attachmenttagcloudsection.php b/lib/attachmenttagcloudsection.php
new file mode 100644
index 000000000..50bfceccb
--- /dev/null
+++ b/lib/attachmenttagcloudsection.php
@@ -0,0 +1,83 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Attachment tag cloud section
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category  Widget
+ * @package   Laconica
+ * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @copyright 2009 Control Yourself, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://laconi.ca/
+ */
+
+if (!defined('LACONICA')) {
+    exit(1);
+}
+
+/**
+ * Attachment tag cloud section
+ *
+ * @category Widget
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://laconi.ca/
+ */
+
+class AttachmentTagCloudSection extends TagCloudSection
+{
+    function title()
+    {
+        return _('Tags for this attachment');
+    }
+
+    function showTag($tag, $weight, $relative)
+    {
+        if ($relative > 0.5) {
+            $rel =  'tag-cloud-7';
+        } else if ($relative > 0.4) {
+            $rel = 'tag-cloud-6';
+        } else if ($relative > 0.3) {
+            $rel = 'tag-cloud-5';
+        } else if ($relative > 0.2) {
+            $rel = 'tag-cloud-4';
+        } else if ($relative > 0.1) {
+            $rel = 'tag-cloud-3';
+        } else if ($relative > 0.05) {
+            $rel = 'tag-cloud-2';
+        } else {
+            $rel = 'tag-cloud-1';
+        }
+
+        $this->out->elementStart('li', $rel);
+        $this->out->element('a', array('href' => $this->tagUrl($tag)),
+                       $tag);
+        $this->out->elementEnd('li');
+    }
+
+    function getTags()
+    {
+        $notice_tag = new Notice_tag;
+        $query = 'select tag,count(tag) as weight from notice_tag join file_to_post on (notice_tag.notice_id=post_id) join notice on notice_id = notice.id where file_id=' . $notice_tag->escape($this->out->attachment->id) . ' group by tag order by weight desc';
+        $notice_tag->query($query);
+        return $notice_tag;
+    }
+}
+
diff --git a/lib/common.php b/lib/common.php
index e64ca34da..0ce46442d 100644
--- a/lib/common.php
+++ b/lib/common.php
@@ -143,6 +143,8 @@ $config =
         array('piddir' => '/var/run',
               'user' => false,
               'group' => false),
+        'twitterbridge' =>
+        array('enabled' => false),
         'integration' =>
         array('source' => 'Laconica', # source attribute for Twitter
               'taguri' => $_server.',2009'), # base for tag URIs
@@ -197,7 +199,7 @@ $_config_files[] = INSTALLDIR.'/config.php';
 $_have_a_config = false;
 
 foreach ($_config_files as $_config_file) {
-    if (file_exists($_config_file)) {
+    if (@file_exists($_config_file)) {
         include_once($_config_file);
         $_have_a_config = true;
     }
diff --git a/lib/facebookutil.php b/lib/facebookutil.php
index ec3987273..242d2e06f 100644
--- a/lib/facebookutil.php
+++ b/lib/facebookutil.php
@@ -27,9 +27,21 @@ define("FACEBOOK_PROMPTED_UPDATE_PREF", 2);
 
 function getFacebook()
 {
+    static $facebook = null;
+
     $apikey = common_config('facebook', 'apikey');
     $secret = common_config('facebook', 'secret');
-    return new Facebook($apikey, $secret);
+
+    if ($facebook === null) {
+        $facebook = new Facebook($apikey, $secret);
+    }
+
+    if (!$facebook) {
+        common_log(LOG_ERR, 'Could not make new Facebook client obj!',
+            __FILE__);
+    }
+
+    return $facebook;
 }
 
 function updateProfileBox($facebook, $flink, $notice) {
@@ -92,7 +104,6 @@ function isFacebookBound($notice, $flink) {
 
 }
 
-
 function facebookBroadcastNotice($notice)
 {
     $facebook = getFacebook();
diff --git a/lib/frequentattachmentsection.php b/lib/frequentattachmentsection.php
new file mode 100644
index 000000000..0ce0d1871
--- /dev/null
+++ b/lib/frequentattachmentsection.php
@@ -0,0 +1,66 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * FIXME
+ *
+ * PHP version 5
+ *
+ * LICENCE: 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/>.
+ *
+ * @category  Widget
+ * @package   Laconica
+ * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @copyright 2009 Control Yourself, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://laconi.ca/
+ */
+
+if (!defined('LACONICA')) {
+    exit(1);
+}
+
+/**
+ * FIXME
+ *
+ * These are the widgets that show interesting data about a person
+ * group, or site.
+ *
+ * @category Widget
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://laconi.ca/
+ */
+
+class FrequentAttachmentSection extends AttachmentSection
+{
+    function getAttachments() {
+        $notice_tag = new Notice_tag;
+        $query = 'select file_id, count(file_id) as c from notice_tag join file_to_post on post_id = notice_id where tag="' . $notice_tag->escape($this->out->tag) . '" group by file_id order by c desc';
+        $notice_tag->query($query);
+        return $notice_tag;
+    }
+
+    function title()
+    {
+        return sprintf(_('Attachments frequently tagged with %s'), $this->out->tag);
+    }
+
+    function divId()
+    {
+        return 'frequent_attachments';
+    }
+}
+
diff --git a/lib/galleryaction.php b/lib/galleryaction.php
index 0484918ce..8fa11a756 100644
--- a/lib/galleryaction.php
+++ b/lib/galleryaction.php
@@ -134,9 +134,11 @@ class GalleryAction extends Action
             $this->elementStart('li', array('id'=>'filter_tags_item'));
             $this->elementStart('form', array('name' => 'bytag',
                                                'id' => 'bytag',
+                                               'action' => common_path('?action=' . $this->trimmed('action')),
                                                'method' => 'post'));
             $this->dropdown('tag', _('Tag'), $content,
                             _('Choose a tag to narrow list'), false, $tag);
+            $this->hidden('nickname', $this->user->nickname);
             $this->submit('submit', _('Go'));
             $this->elementEnd('form');
             $this->elementEnd('li');
@@ -169,4 +171,4 @@ class GalleryAction extends Action
     {
         return array();
     }
-}
\ No newline at end of file
+}
diff --git a/lib/noticelist.php b/lib/noticelist.php
index 8fccba73e..a52132171 100644
--- a/lib/noticelist.php
+++ b/lib/noticelist.php
@@ -179,6 +179,7 @@ class NoticeListItem extends Widget
     {
         $this->showStart();
         $this->showNotice();
+        $this->showNoticeAttachments();
         $this->showNoticeInfo();
         $this->showNoticeOptions();
         $this->showEnd();
@@ -192,6 +193,48 @@ class NoticeListItem extends Widget
         $this->out->elementEnd('div');
     }
 
+    function showNoticeAttachments()
+    {
+        $f2p = new File_to_post;
+        $f2p->post_id = $this->notice->id;
+        $file = new File;
+        $file->joinAdd($f2p);
+        $file->selectAdd();
+        $file->selectAdd('file.id as id');
+        $count = $file->find(true);
+        if (!$count) return;
+        if (1 === $count) {
+            $href = common_local_url('attachment', array('attachment' => $file->id));
+            $att_class = 'attachment';
+        } else {
+            $href = common_local_url('attachments', array('notice' => $this->notice->id));
+            $att_class = 'attachments';
+        }
+
+        $clip = theme_path('images/icons/clip', 'base');
+        if ('shownotice' === $this->out->args['action']) {
+            $height = '96px';
+            $width = '83%';
+            $width_att = '15%';
+            $clip .= '-big.png';
+            $top = '70px';
+        } else {
+            $height = '48px';
+            $width = '90%';
+            $width_att = '8%';
+            $clip .= '.png';
+            $top = '20px';
+        }
+if(0)
+        $this->out->elementStart('div', 'entry-attachments');
+else
+        $this->out->elementStart('p', array('class' => 'entry-attachments', 'style' => "float: right; width: $width_att; background: url($clip) no-repeat; text-align: right; height: $height;"));
+        $this->out->element('a', array('class' => $att_class, 'style' => "text-decoration: none; padding-top: $top; display: block; height: $height;", 'href' => $href, 'title' => "# of attachments: $count"), $count === 1 ? '' : $count);
+
+
+        $this->out->elementEnd('p');
+    }
+
     function showNoticeInfo()
     {
         $this->out->elementStart('div', 'entry-content');
diff --git a/lib/noticesection.php b/lib/noticesection.php
index 94c2738ef..37aafdaf6 100644
--- a/lib/noticesection.php
+++ b/lib/noticesection.php
@@ -51,17 +51,13 @@ class NoticeSection extends Section
     function showContent()
     {
         $notices = $this->getNotices();
-
         $cnt = 0;
-
         $this->out->elementStart('ul', 'notices');
-
         while ($notices->fetch() && ++$cnt <= NOTICES_PER_SECTION) {
             $this->showNotice($notices);
         }
 
         $this->out->elementEnd('ul');
-
         return ($cnt > NOTICES_PER_SECTION);
     }
 
@@ -100,6 +96,37 @@ class NoticeSection extends Section
 
         $this->out->elementStart('p', 'entry-content');
         $this->out->raw($notice->rendered);
+
+        $notice_link_cfg = common_config('site', 'notice_link');
+        if ('direct' === $notice_link_cfg) {
+            $this->out->text(' (');
+            $this->out->element('a', array('href' => $notice->uri), 'see');
+            $this->out->text(')');
+        } elseif ('attachment' === $notice_link_cfg) {
+            if ($count = $notice->hasAttachments()) {
+            // link to attachment(s) pages
+                if (1 === $count) {
+                    $f2p = File_to_post::staticGet('post_id', $notice->id);
+                    $href = common_local_url('attachment', array('attachment' => $f2p->file_id));
+                    $att_class = 'attachment';
+                } else {
+                    $href = common_local_url('attachments', array('notice' => $notice->id));
+                    $att_class = 'attachments';
+                }
+
+                $clip = theme_path('images/icons/clip.png', 'base');
+                $this->out->elementStart('a', array('class' => $att_class, 'style' => "font-style: italic;", 'href' => $href, 'title' => "# of attachments: $count"));
+                $this->out->raw(" ($count&nbsp");
+                $this->out->element('img', array('style' => 'display: inline', 'align' => 'top', 'width' => 20, 'height' => 20, 'src' => $clip, 'alt' => 'alt'));
+                $this->out->text(')');
+                $this->out->elementEnd('a');
+            } else {
+                $this->out->text(' (');
+                $this->out->element('a', array('href' => $notice->uri), 'see');
+                $this->out->text(')');
+            }
+        }
+
         $this->out->elementEnd('p');
         if (!empty($notice->value)) {
             $this->out->elementStart('p');
diff --git a/lib/personalgroupnav.php b/lib/personalgroupnav.php
index 63e6138df..acc033667 100644
--- a/lib/personalgroupnav.php
+++ b/lib/personalgroupnav.php
@@ -93,43 +93,45 @@ class PersonalGroupNav extends Widget
 
         $this->out->elementStart('ul', array('class' => 'nav'));
 
-        $this->out->menuItem(common_local_url('all', array('nickname' =>
-                                                       $nickname)),
-                         _('Personal'),
-                         sprintf(_('%s and friends'), (($user_profile && $user_profile->fullname) ? $user_profile->fullname : $nickname)),
-                         $action == 'all', 'nav_timeline_personal');
-        $this->out->menuItem(common_local_url('replies', array('nickname' =>
-                                                              $nickname)),
-                         _('Replies'),
-                         sprintf(_('Replies to %s'), (($user_profile && $user_profile->fullname) ? $user_profile->fullname : $nickname)),
-                         $action == 'replies', 'nav_timeline_replies');
-        $this->out->menuItem(common_local_url('showstream', array('nickname' =>
-                                                              $nickname)),
-                         _('Profile'),
-                         ($user_profile && $user_profile->fullname) ? $user_profile->fullname : $nickname,
-                         $action == 'showstream', 'nav_profile');
-        $this->out->menuItem(common_local_url('showfavorites', array('nickname' =>
-                                                              $nickname)),
-                         _('Favorites'),
-                         sprintf(_('%s\'s favorite notices'), ($user_profile) ? $user_profile->getBestName() : _('User')),
-                         $action == 'showfavorites', 'nav_timeline_favorites');
+        if (Event::handle('StartPersonalGroupNav', array($this))) {
+            $this->out->menuItem(common_local_url('all', array('nickname' =>
+                                                           $nickname)),
+                             _('Personal'),
+                             sprintf(_('%s and friends'), (($user_profile && $user_profile->fullname) ? $user_profile->fullname : $nickname)),
+                             $action == 'all', 'nav_timeline_personal');
+            $this->out->menuItem(common_local_url('replies', array('nickname' =>
+                                                                  $nickname)),
+                             _('Replies'),
+                             sprintf(_('Replies to %s'), (($user_profile && $user_profile->fullname) ? $user_profile->fullname : $nickname)),
+                             $action == 'replies', 'nav_timeline_replies');
+            $this->out->menuItem(common_local_url('showstream', array('nickname' =>
+                                                                  $nickname)),
+                             _('Profile'),
+                             ($user_profile && $user_profile->fullname) ? $user_profile->fullname : $nickname,
+                             $action == 'showstream', 'nav_profile');
+            $this->out->menuItem(common_local_url('showfavorites', array('nickname' =>
+                                                                  $nickname)),
+                             _('Favorites'),
+                             sprintf(_('%s\'s favorite notices'), ($user_profile) ? $user_profile->getBestName() : _('User')),
+                             $action == 'showfavorites', 'nav_timeline_favorites');
 
-        $cur = common_current_user();
+            $cur = common_current_user();
 
-        if ($cur && $cur->id == $user->id) {
+            if ($cur && $cur->id == $user->id) {
 
-            $this->out->menuItem(common_local_url('inbox', array('nickname' =>
-                                                                     $nickname)),
-                             _('Inbox'),
-                             _('Your incoming messages'),
-                             $action == 'inbox');
-            $this->out->menuItem(common_local_url('outbox', array('nickname' =>
-                                                                     $nickname)),
-                             _('Outbox'),
-                             _('Your sent messages'),
-                             $action == 'outbox');
+                $this->out->menuItem(common_local_url('inbox', array('nickname' =>
+                                                                         $nickname)),
+                                 _('Inbox'),
+                                 _('Your incoming messages'),
+                                 $action == 'inbox');
+                $this->out->menuItem(common_local_url('outbox', array('nickname' =>
+                                                                         $nickname)),
+                                 _('Outbox'),
+                                 _('Your sent messages'),
+                                 $action == 'outbox');
+            }
+            Event::handle('EndPersonalGroupNav', array($this));
         }
-
         $this->out->elementEnd('ul');
     }
 }
diff --git a/lib/popularnoticesection.php b/lib/popularnoticesection.php
index a8d47ef54..375d5538b 100644
--- a/lib/popularnoticesection.php
+++ b/lib/popularnoticesection.php
@@ -51,7 +51,7 @@ class PopularNoticeSection extends NoticeSection
         if (common_config('db', 'type') == 'pgsql') {
             $weightexpr='sum(exp(-extract(epoch from (now() - fave.modified)) / %s))';
             if (!empty($this->out->tag)) {
-                $tag = pg_escape_string($this->tag);
+                $tag = pg_escape_string($this->out->tag);
             }
         } else {
             $weightexpr='sum(exp(-(now() - fave.modified) / %s))';
diff --git a/lib/profileaction.php b/lib/profileaction.php
index 1f2e30994..a3437ff4d 100644
--- a/lib/profileaction.php
+++ b/lib/profileaction.php
@@ -49,16 +49,17 @@ require_once INSTALLDIR.'/lib/groupminilist.php';
 
 class ProfileAction extends Action
 {
-    var $user = null;
-    var $page = null;
+    var $user    = null;
+    var $page    = null;
     var $profile = null;
+    var $tag     = null;
 
     function prepare($args)
     {
         parent::prepare($args);
 
         $nickname_arg = $this->arg('nickname');
-        $nickname = common_canonical_nickname($nickname_arg);
+        $nickname     = common_canonical_nickname($nickname_arg);
 
         // Permanent redirect on non-canonical nickname
 
@@ -85,10 +86,9 @@ class ProfileAction extends Action
             return false;
         }
 
+        $this->tag = $this->trimmed('tag');
         $this->page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
-
         common_set_returnto($this->selfUrl());
-
         return true;
     }
 
@@ -244,4 +244,5 @@ class ProfileAction extends Action
 
         $this->elementEnd('div');
     }
-}
\ No newline at end of file
+}
+
diff --git a/lib/router.php b/lib/router.php
index 5e16f3419..70ee0f3fb 100644
--- a/lib/router.php
+++ b/lib/router.php
@@ -151,12 +151,26 @@ class Router
         $m->connect('search/notice/rss?q=:q', array('action' => 'noticesearchrss'),
                     array('q' => '.+'));
 
+        $m->connect('attachment/:attachment/ajax',
+                    array('action' => 'attachment_ajax'),
+                    array('notice' => '[0-9]+'));
+
+        $m->connect('attachment/:attachment',
+                    array('action' => 'attachment'),
+                    array('notice' => '[0-9]+'));
+
         // notice
 
         $m->connect('notice/new', array('action' => 'newnotice'));
         $m->connect('notice/new?replyto=:replyto',
                     array('action' => 'newnotice'),
                     array('replyto' => '[A-Za-z0-9_-]+'));
+        $m->connect('notice/:notice/attachments/ajax',
+                    array('action' => 'attachments_ajax'),
+                    array('notice' => '[0-9]+'));
+        $m->connect('notice/:notice/attachments',
+                    array('action' => 'attachments'),
+                    array('notice' => '[0-9]+'));
         $m->connect('notice/:notice',
                     array('action' => 'shownotice'),
                     array('notice' => '[0-9]+'));
@@ -237,12 +251,12 @@ class Router
         $m->connect('api/statuses/:method',
                     array('action' => 'api',
                           'apiaction' => 'statuses'),
-                    array('method' => '(public_timeline|friends_timeline|user_timeline|update|replies|friends|followers|featured)(\.(atom|rss|xml|json))?'));
+                    array('method' => '(public_timeline|friends_timeline|user_timeline|update|replies|mentions|friends|followers|featured)(\.(atom|rss|xml|json))?'));
 
         $m->connect('api/statuses/:method/:argument',
                     array('action' => 'api',
                           'apiaction' => 'statuses'),
-                    array('method' => '(user_timeline|friends_timeline|replies|show|destroy|friends|followers)'));
+                    array('method' => '(user_timeline|friends_timeline|replies|mentions|show|destroy|friends|followers)'));
 
         // users
 
@@ -412,6 +426,16 @@ class Router
                     array('size' => '(original|96|48|24)',
                           'nickname' => '[a-zA-Z0-9]{1,64}'));
 
+        $m->connect(':nickname/tag/:tag/rss',
+            array('action' => 'userrss'),
+            array('nickname' => '[a-zA-Z0-9]{1,64}'),
+            array('tag' => '[a-zA-Z0-9]+'));
+
+        $m->connect(':nickname/tag/:tag',
+                    array('action' => 'showstream'),
+                    array('nickname' => '[a-zA-Z0-9]{1,64}'),
+                    array('tag' => '[a-zA-Z0-9]+'));
+
         $m->connect(':nickname',
                     array('action' => 'showstream'),
                     array('nickname' => '[a-zA-Z0-9]{1,64}'));
diff --git a/lib/rssaction.php b/lib/rssaction.php
index ddba862dc..2f25ed7e4 100644
--- a/lib/rssaction.php
+++ b/lib/rssaction.php
@@ -97,7 +97,11 @@ class Rss10Action extends Action
         // Parent handling, including cache check
         parent::handle($args);
         // Get the list of notices
-        $this->notices = $this->getNotices($this->limit);
+        if (empty($this->tag)) {
+            $this->notices = $this->getNotices($this->limit);
+        } else {
+            $this->notices = $this->getTaggedNotices($this->tag, $this->limit);
+        }
         $this->showRss();
     }
 
diff --git a/lib/subgroupnav.php b/lib/subgroupnav.php
index 31c3ea0b5..4a9b36ae8 100644
--- a/lib/subgroupnav.php
+++ b/lib/subgroupnav.php
@@ -74,38 +74,44 @@ class SubGroupNav extends Widget
 
         $this->out->elementStart('ul', array('class' => 'nav'));
 
-        $this->out->menuItem(common_local_url('subscriptions',
-                                              array('nickname' =>
-                                                    $this->user->nickname)),
-                             _('Subscriptions'),
-                             sprintf(_('People %s subscribes to'),
-                                     $this->user->nickname),
-                             $action == 'subscriptions',
-                             'nav_subscriptions');
-        $this->out->menuItem(common_local_url('subscribers',
-                                              array('nickname' =>
-                                                    $this->user->nickname)),
-                             _('Subscribers'),
-                             sprintf(_('People subscribed to %s'),
-                                     $this->user->nickname),
-                             $action == 'subscribers',
-                             'nav_subscribers');
-        $this->out->menuItem(common_local_url('usergroups',
-                                              array('nickname' =>
-                                                    $this->user->nickname)),
-                             _('Groups'),
-                             sprintf(_('Groups %s is a member of'),
-                                     $this->user->nickname),
-                             $action == 'usergroups',
-                             'nav_usergroups');
-        if (!is_null($cur) && $this->user->id === $cur->id) {
-            $this->out->menuItem(common_local_url('invite'),
-                                 _('Invite'),
-                                 sprintf(_('Invite friends and colleagues to join you on %s'),
-                                         common_config('site', 'name')),
-                                 $action == 'invite',
-                                 'nav_invite');
+        if (Event::handle('StartSubGroupNav', array($this))) {
+
+            $this->out->menuItem(common_local_url('subscriptions',
+                                                  array('nickname' =>
+                                                        $this->user->nickname)),
+                                 _('Subscriptions'),
+                                 sprintf(_('People %s subscribes to'),
+                                         $this->user->nickname),
+                                 $action == 'subscriptions',
+                                 'nav_subscriptions');
+            $this->out->menuItem(common_local_url('subscribers',
+                                                  array('nickname' =>
+                                                        $this->user->nickname)),
+                                 _('Subscribers'),
+                                 sprintf(_('People subscribed to %s'),
+                                         $this->user->nickname),
+                                 $action == 'subscribers',
+                                 'nav_subscribers');
+            $this->out->menuItem(common_local_url('usergroups',
+                                                  array('nickname' =>
+                                                        $this->user->nickname)),
+                                 _('Groups'),
+                                 sprintf(_('Groups %s is a member of'),
+                                         $this->user->nickname),
+                                 $action == 'usergroups',
+                                 'nav_usergroups');
+            if (!is_null($cur) && $this->user->id === $cur->id) {
+                $this->out->menuItem(common_local_url('invite'),
+                                     _('Invite'),
+                                     sprintf(_('Invite friends and colleagues to join you on %s'),
+                                             common_config('site', 'name')),
+                                     $action == 'invite',
+                                     'nav_invite');
+            }
+
+            Event::handle('EndSubGroupNav', array($this));
         }
+
         $this->out->elementEnd('ul');
     }
 }
diff --git a/lib/subpeopletagcloudsection.php b/lib/subpeopletagcloudsection.php
new file mode 100644
index 000000000..9f6948dc9
--- /dev/null
+++ b/lib/subpeopletagcloudsection.php
@@ -0,0 +1,77 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Personal tag cloud section
+ *
+ * PHP version 5
+ *
+ * LICENCE: 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/>.
+ *
+ * @category  Widget
+ * @package   Laconica
+ * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @copyright 2009 Control Yourself, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://laconi.ca/
+ */
+
+if (!defined('LACONICA')) {
+    exit(1);
+}
+
+/**
+ * Personal tag cloud section
+ *
+ * @category Widget
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://laconi.ca/
+ */
+
+class SubPeopleTagCloudSection extends TagCloudSection
+{
+    function getTags()
+    {
+        $qry = $this->query();
+        $limit = TAGS_PER_SECTION;
+        $offset = 0;
+
+        if (common_config('db','type') == 'pgsql') {
+            $qry .= ' LIMIT ' . $limit . ' OFFSET ' . $offset;
+        } else {
+            $qry .= ' LIMIT ' . $offset . ', ' . $limit;
+        }
+
+        $profile_tag = Memcached_DataObject::cachedQuery('Profile_tag',
+                                                 sprintf($qry,
+                                                         $this->out->user->id));
+        return $profile_tag;
+    }
+
+    function tagUrl($tag) {
+        return common_local_url('peopletag', array('tag' => $tag));
+    }
+
+    function showTag($tag, $weight, $relative) {
+        $rel = 'tag-cloud-';
+        $rel .= 1+intval(7 * $relative * $weight - 0.01);
+
+        $this->out->elementStart('li', $rel);
+        $this->out->element('a', array('href' => $this->tagUrl($tag)), $tag);
+        $this->out->elementEnd('li');
+    }
+}
+
diff --git a/lib/subscriberspeopleselftagcloudsection.php b/lib/subscriberspeopleselftagcloudsection.php
new file mode 100644
index 000000000..115241a53
--- /dev/null
+++ b/lib/subscriberspeopleselftagcloudsection.php
@@ -0,0 +1,62 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Personal tag cloud section
+ *
+ * PHP version 5
+ *
+ * LICENCE: 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/>.
+ *
+ * @category  Widget
+ * @package   Laconica
+ * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @copyright 2009 Control Yourself, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://laconi.ca/
+ */
+
+if (!defined('LACONICA')) {
+    exit(1);
+}
+
+/**
+ * Personal tag cloud section
+ *
+ * @category Widget
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://laconi.ca/
+ */
+
+class SubscribersPeopleSelfTagCloudSection extends SubPeopleTagCloudSection
+{
+    function title()
+    {
+        return _('People Tagcloud as self-tagged');
+    }
+
+    function query() {
+//        return 'select tag, count(tag) as weight from subscription left join profile_tag on tagger = subscriber where subscribed=%d and subscribed != subscriber and tagger = tagged group by tag order by weight desc';
+
+
+        return 'select tag, count(tag) as weight from subscription left join profile_tag on tagger = subscriber where subscribed=%d and subscribed != subscriber and tagger = tagged and tag is not null group by tag order by weight desc';
+
+//        return 'select tag, count(tag) as weight from subscription left join profile_tag on tagger = subscribed where subscriber=%d and subscribed != subscriber and tagger = tagged and tag is not null group by tag order by weight desc';
+
+
+    }
+}
+
diff --git a/lib/subscriberspeopletagcloudsection.php b/lib/subscriberspeopletagcloudsection.php
new file mode 100644
index 000000000..4dafbc1c7
--- /dev/null
+++ b/lib/subscriberspeopletagcloudsection.php
@@ -0,0 +1,61 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Personal tag cloud section
+ *
+ * PHP version 5
+ *
+ * LICENCE: 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/>.
+ *
+ * @category  Widget
+ * @package   Laconica
+ * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @copyright 2009 Control Yourself, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://laconi.ca/
+ */
+
+if (!defined('LACONICA')) {
+    exit(1);
+}
+
+/**
+ * Personal tag cloud section
+ *
+ * @category Widget
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://laconi.ca/
+ */
+
+class SubscribersPeopleTagCloudSection extends SubPeopleTagCloudSection
+{
+    function title()
+    {
+        return _('People Tagcloud as tagged');
+    }
+
+    function tagUrl($tag) {
+        $nickname = $this->out->profile->nickname;
+        return common_local_url('subscribers', array('nickname' => $nickname, 'tag' => $tag));
+    }
+
+    function query() {
+//        return 'select tag, count(tag) as weight from subscription left join profile_tag on subscriber=tagged and subscribed=tagger where subscribed=%d and subscriber != subscribed group by tag order by weight desc';
+        return 'select tag, count(tag) as weight from subscription left join profile_tag on subscriber=tagged and subscribed=tagger where subscribed=%d and subscriber != subscribed and tag is not null group by tag order by weight desc';
+    }
+}
+
diff --git a/lib/subscriptionspeopleselftagcloudsection.php b/lib/subscriptionspeopleselftagcloudsection.php
new file mode 100644
index 000000000..3896294d2
--- /dev/null
+++ b/lib/subscriptionspeopleselftagcloudsection.php
@@ -0,0 +1,61 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Personal tag cloud section
+ *
+ * PHP version 5
+ *
+ * LICENCE: 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/>.
+ *
+ * @category  Widget
+ * @package   Laconica
+ * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @copyright 2009 Control Yourself, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://laconi.ca/
+ */
+
+if (!defined('LACONICA')) {
+    exit(1);
+}
+
+/**
+ * Personal tag cloud section
+ *
+ * @category Widget
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://laconi.ca/
+ */
+
+class SubscriptionsPeopleSelfTagCloudSection extends SubPeopleTagCloudSection
+{
+    function title()
+    {
+        return _('People Tagcloud as self-tagged');
+    }
+
+    function query() {
+//        return 'select tag, count(tag) as weight from subscription left join profile_tag on tagger = subscriber where subscribed=%d and subscriber != subscribed and tagger = tagged group by tag order by weight desc';
+
+
+
+        return 'select tag, count(tag) as weight from subscription left join profile_tag on tagger = subscribed where subscriber=%d and subscribed != subscriber and tagger = tagged and tag is not null group by tag order by weight desc';
+
+//        return 'select tag, count(tag) as weight from subscription left join profile_tag on tagger = subscriber where subscribed=%d and subscribed != subscriber and tagger = tagged and tag is not null group by tag order by weight desc';
+    }
+}
+
diff --git a/lib/subscriptionspeopletagcloudsection.php b/lib/subscriptionspeopletagcloudsection.php
new file mode 100644
index 000000000..f9c8672e3
--- /dev/null
+++ b/lib/subscriptionspeopletagcloudsection.php
@@ -0,0 +1,61 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Personal tag cloud section
+ *
+ * PHP version 5
+ *
+ * LICENCE: 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/>.
+ *
+ * @category  Widget
+ * @package   Laconica
+ * @author    Evan Prodromou <evan@controlyourself.ca>
+ * @copyright 2009 Control Yourself, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://laconi.ca/
+ */
+
+if (!defined('LACONICA')) {
+    exit(1);
+}
+
+/**
+ * Personal tag cloud section
+ *
+ * @category Widget
+ * @package  Laconica
+ * @author   Evan Prodromou <evan@controlyourself.ca>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://laconi.ca/
+ */
+
+class SubscriptionsPeopleTagCloudSection extends SubPeopleTagCloudSection
+{
+    function title()
+    {
+        return _('People Tagcloud as tagged');
+    }
+
+    function tagUrl($tag) {
+        $nickname = $this->out->profile->nickname;
+        return common_local_url('subscriptions', array('nickname' => $nickname, 'tag' => $tag));
+    }
+
+    function query() {
+//        return 'select tag, count(tag) as weight from subscription left join profile_tag on subscriber=tagger and subscribed=tagged where subscriber=%d and subscriber != subscribed group by tag order by weight desc';
+        return 'select tag, count(tag) as weight from subscription left join profile_tag on subscriber=tagger and subscribed=tagged where subscriber=%d and subscriber != subscribed and tag is not null group by tag order by weight desc';
+    }
+}
+
diff --git a/lib/tagcloudsection.php b/lib/tagcloudsection.php
index ff2aca6d6..62f7d8961 100644
--- a/lib/tagcloudsection.php
+++ b/lib/tagcloudsection.php
@@ -114,7 +114,11 @@ class TagCloudSection extends Section
 
     function tagUrl($tag)
     {
-        return common_local_url('tag', array('tag' => $tag));
+        if ('showstream' === $this->out->trimmed('action')) {
+            return common_local_url('showstream', array('nickname' => $this->out->profile->nickname, 'tag' => $tag));
+        } else {
+            return common_local_url('tag', array('tag' => $tag));
+        }
     }
 
     function divId()
diff --git a/lib/twitterapi.php b/lib/twitterapi.php
index b8357c688..caf8c0716 100644
--- a/lib/twitterapi.php
+++ b/lib/twitterapi.php
@@ -51,6 +51,26 @@ class TwitterapiAction extends Action
         parent::handle($args);
     }
 
+    /**
+     * Overrides XMLOutputter::element to write booleans as strings (true|false).
+     * See that method's documentation for more info.
+     * 
+     * @param string $tag     Element type or tagname
+     * @param array  $attrs   Array of element attributes, as
+     *                        key-value pairs
+     * @param string $content string content of the element
+     *
+     * @return void
+     */
+    function element($tag, $attrs=null, $content=null)
+    {
+        if (is_bool($content)) {
+            $content = ($content ? 'true' : 'false');
+        }
+
+        return parent::element($tag, $attrs, $content);
+    }
+    
     function twitter_user_array($profile, $get_notice=false)
     {
 
@@ -66,7 +86,7 @@ class TwitterapiAction extends Action
         $avatar = $profile->getAvatar(AVATAR_STREAM_SIZE);
 
         $twitter_user['profile_image_url'] = ($avatar) ? $avatar->displayUrl() : Avatar::defaultImage(AVATAR_STREAM_SIZE);
-        $twitter_user['protected'] = 'false'; # not supported by Laconica yet
+        $twitter_user['protected'] = false; # not supported by Laconica yet
         $twitter_user['url'] = ($profile->homepage) ? $profile->homepage : null;
 
         if ($get_notice) {
@@ -86,7 +106,7 @@ class TwitterapiAction extends Action
 
         $twitter_status = array();
         $twitter_status['text'] = $notice->content;
-        $twitter_status['truncated'] = 'false'; # Not possible on Laconica
+        $twitter_status['truncated'] = false; # Not possible on Laconica
         $twitter_status['created_at'] = $this->date_twitter($notice->created);
         $twitter_status['in_reply_to_status_id'] = ($notice->reply_to) ?
             intval($notice->reply_to) : null;
@@ -108,10 +128,9 @@ class TwitterapiAction extends Action
             ($replier_profile) ? $replier_profile->nickname : null;
 
         if (isset($this->auth_user)) {
-            $twitter_status['favorited'] =
-                ($this->auth_user->hasFave($notice)) ? 'true' : 'false';
+            $twitter_status['favorited'] = $this->auth_user->hasFave($notice);
         } else {
-            $twitter_status['favorited'] = 'false';
+            $twitter_status['favorited'] = false;
         }
 
         if ($include_user) {
@@ -418,7 +437,7 @@ class TwitterapiAction extends Action
     function date_twitter($dt)
     {
         $t = strtotime($dt);
-        return date("D M d G:i:s O Y", $t);
+        return date("D M d H:i:s O Y", $t);
     }
 
     // XXX: Candidate for a general utility method somewhere?
diff --git a/lib/util.php b/lib/util.php
index 888765548..fbef8764a 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -395,7 +395,7 @@ function common_render_text($text)
     return $r;
 }
 
-function common_replace_urls_callback($text, $callback) {
+function common_replace_urls_callback($text, $callback, $notice_id = null) {
     // Start off with a regex
     $regex = '#'.
     '(?:'.
@@ -466,7 +466,11 @@ function common_replace_urls_callback($text, $callback) {
         $url = (mb_strpos($orig_url, htmlspecialchars($url)) === FALSE) ? $url:htmlspecialchars($url);
 
         // Call user specified func
-        $modified_url = call_user_func($callback, $url);
+        if (empty($notice_id)) {
+            $modified_url = call_user_func($callback, $url);
+        } else {
+            $modified_url = call_user_func($callback, array($url, $notice_id));
+        }
 
         // Replace it!
         $start = mb_strpos($text, $url, $offset);
@@ -481,102 +485,24 @@ function common_linkify($url) {
     // It comes in special'd, so we unspecial it before passing to the stringifying
     // functions
     $url = htmlspecialchars_decode($url);
-    $display = $url;
-    $url = (!preg_match('#^([a-z]+://|(mailto|aim|tel):)#i', $url)) ? 'http://'.$url : $url;
-
-    $attrs = array('href' => $url, 'rel' => 'external');
-
-    if ($longurl = common_longurl($url)) {
-        $attrs['title'] = $longurl;
+    $display = File_redirection::_canonUrl($url);
+    $longurl_data = File_redirection::where($url);
+    if (is_array($longurl_data)) {
+        $longurl = $longurl_data['url'];
+    } elseif (is_string($longurl_data)) {
+        $longurl = $longurl_data;
+    } else {
+        die('impossible to linkify');
     }
 
+    $attrs = array('href' => $longurl, 'rel' => 'external');
     return XMLStringer::estring('a', $attrs, $display);
 }
 
-function common_longurl($short_url)
-{
-    $long_url = common_shorten_link($short_url, true);
-    if ($long_url === $short_url) return false;
-    return $long_url;
-}
-
-function common_longurl2($uri)
-{
-    $uri_e = urlencode($uri);
-    $longurl = unserialize(file_get_contents("http://api.longurl.org/v1/expand?format=php&url=$uri_e"));
-    if (empty($longurl['long_url']) || $uri === $longurl['long_url']) return false;
-    return stripslashes($longurl['long_url']);
-}
-
 function common_shorten_links($text)
 {
     if (mb_strlen($text) <= 140) return $text;
-    static $cache = array();
-    if (isset($cache[$text])) return $cache[$text];
-    // \s = not a horizontal whitespace character (since PHP 5.2.4)
-    return $cache[$text] = common_replace_urls_callback($text, 'common_shorten_link');;
-}
-
-function common_shorten_link($url, $reverse = false)
-{
-    static $url_cache = array();
-    if ($reverse) return isset($url_cache[$url]) ? $url_cache[$url] : $url;
-
-    $user = common_current_user();
-
-    $curlh = curl_init();
-    curl_setopt($curlh, CURLOPT_CONNECTTIMEOUT, 20); // # seconds to wait
-    curl_setopt($curlh, CURLOPT_USERAGENT, 'Laconica');
-    curl_setopt($curlh, CURLOPT_RETURNTRANSFER, true);
-
-    switch($user->urlshorteningservice) {
-     case 'ur1.ca':
-        $short_url_service = new LilUrl;
-        $short_url = $short_url_service->shorten($url);
-        break;
-
-     case '2tu.us':
-        $short_url_service = new TightUrl;
-        $short_url = $short_url_service->shorten($url);
-        break;
-
-     case 'ptiturl.com':
-        $short_url_service = new PtitUrl;
-        $short_url = $short_url_service->shorten($url);
-        break;
-
-     case 'bit.ly':
-        curl_setopt($curlh, CURLOPT_URL, 'http://bit.ly/api?method=shorten&long_url='.urlencode($url));
-        $short_url = current(json_decode(curl_exec($curlh))->results)->hashUrl;
-        break;
-
-     case 'is.gd':
-        curl_setopt($curlh, CURLOPT_URL, 'http://is.gd/api.php?longurl='.urlencode($url));
-        $short_url = curl_exec($curlh);
-        break;
-     case 'snipr.com':
-        curl_setopt($curlh, CURLOPT_URL, 'http://snipr.com/site/snip?r=simple&link='.urlencode($url));
-        $short_url = curl_exec($curlh);
-        break;
-     case 'metamark.net':
-        curl_setopt($curlh, CURLOPT_URL, 'http://metamark.net/api/rest/simple?long_url='.urlencode($url));
-        $short_url = curl_exec($curlh);
-        break;
-     case 'tinyurl.com':
-        curl_setopt($curlh, CURLOPT_URL, 'http://tinyurl.com/api-create.php?url='.urlencode($url));
-        $short_url = curl_exec($curlh);
-        break;
-     default:
-        $short_url = false;
-    }
-
-    curl_close($curlh);
-
-    if ($short_url) {
-        $url_cache[(string)$short_url] = $url;
-        return (string)$short_url;
-    }
-    return $url;
+    return common_replace_urls_callback($text, array('File_redirection', 'makeShort'));
 }
 
 function common_xml_safe_str($str)
@@ -1019,7 +945,7 @@ function common_root_url($ssl=false)
 function common_good_rand($bytes)
 {
     // XXX: use random.org...?
-    if (file_exists('/dev/urandom')) {
+    if (@file_exists('/dev/urandom')) {
         return common_urandom($bytes);
     } else { // FIXME: this is probably not good enough
         return common_mtrand($bytes);
@@ -1385,7 +1311,7 @@ function common_compatible_license($from, $to)
  */
 function common_database_tablename($tablename)
 {
-  
+
   if(common_config('db','quote_identifiers')) {
       $tablename = '"'. $tablename .'"';
   }