Merge branch '0.9.x' into 1.0.x

4 files changed, 984 insertions, 0 deletions

diff --git a/actions/backupaccount.php b/actions/backupaccount.php
new file mode 100644
index 000000000..4f6fb936b
--- /dev/null
+++ b/actions/backupaccount.php
@@ -0,0 +1,260 @@
+<?php
+/**
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2010, StatusNet, Inc.
+ *
+ * Download a backup of your own account to the browser
+ * 
+ * PHP version 5
+ *
+ * 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  Account
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+    // This check helps protect against security problems;
+    // your code file can't be executed directly from the web.
+    exit(1);
+}
+
+/**
+ * Download a backup of your own account to the browser
+ *
+ * We go through some hoops to make this only respond to POST, since
+ * it's kind of expensive and there's probably some downside to having
+ * your account in all kinds of search engines.
+ *
+ * @category  Account
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link      http://status.net/
+ */
+
+class BackupaccountAction extends Action
+{
+    /**
+     * Returns the title of the page
+     * 
+     * @return string page title
+     */
+
+    function title()
+    {
+        return _("Backup account");
+    }
+
+    /**
+     * For initializing members of the class.
+     *
+     * @param array $argarray misc. arguments
+     *
+     * @return boolean true
+     */
+
+    function prepare($argarray)
+    {
+        parent::prepare($argarray);
+
+        $cur = common_current_user();
+
+        if (empty($cur)) {
+            throw new ClientException(_('Only logged-in users can backup their account.'), 403);
+        }
+
+        if (!$cur->hasRight(Right::BACKUPACCOUNT)) {
+            throw new ClientException(_('You may not backup your account.'), 403);
+        }
+
+        return true;
+    }
+
+    /**
+     * Handler method
+     *
+     * @param array $argarray is ignored since it's now passed in in prepare()
+     *
+     * @return void
+     */
+
+    function handle($argarray=null)
+    {
+        parent::handle($argarray);
+
+        if ($this->isPost()) {
+            $this->sendFeed();
+        } else {
+            $this->showPage();
+        }
+        return;
+    }
+
+    /**
+     * Send a feed of the user's activities to the browser
+     * 
+     * Uses the UserActivityStream class; may take a long time!
+     *
+     * @return void
+     */
+
+    function sendFeed()
+    {
+        $cur = common_current_user();
+        
+        $stream = new UserActivityStream($cur);
+
+        header('Content-Disposition: attachment; filename='.$cur->nickname.'.atom');
+        header('Content-Type: application/atom+xml; charset=utf-8');
+
+        $this->raw($stream->getString());
+    }
+
+    /**
+     * Show a little form so that the person can request a backup.
+     *
+     * @return void
+     */
+    
+    function showContent()
+    {
+        $form = new BackupAccountForm($this);
+        $form->show();
+    }
+ 
+    /**
+     * Return true if read only.
+     *
+     * MAY override
+     *
+     * @param array $args other arguments
+     *
+     * @return boolean is read only action?
+     */
+
+    function isReadOnly($args)
+    {
+        return false;
+    }
+
+    /**
+     * Return last modified, if applicable.
+     *
+     * MAY override
+     *
+     * @return string last modified http header
+     */
+
+    function lastModified()
+    {
+        // For comparison with If-Last-Modified
+        // If not applicable, return null
+        return null;
+    }
+
+    /**
+     * Return etag, if applicable.
+     *
+     * MAY override
+     *
+     * @return string etag http header
+     */
+
+    function etag()
+    {
+        return null;
+    }
+}
+
+/**
+ * A form for backing up the account.
+ *
+ * @category  Account
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link      http://status.net/
+ */
+
+class BackupAccountForm extends Form
+{
+    /**
+     * Class of the form.
+     *
+     * @return string the form's class
+     */
+
+    function formClass()
+    {
+        return 'form_profile_backup';
+    }
+
+    /**
+     * URL the form posts to
+     *
+     * @return string the form's action URL
+     */
+
+    function action()
+    {
+        return common_local_url('backupaccount');
+    }
+
+    /**
+     * Output form data
+     * 
+     * Really, just instructions for doing a backup.
+     *
+     * @return void
+     */
+
+    function formData()
+    {
+        $msg =
+            _('You can backup your account data in '.
+              '<a href="http://activitystrea.ms/">Activity Streams</a> '.
+              'format.  This is an experimental feature and provides an '.
+              'incomplete backup; private account '.
+              'information like email and IM addresses is not backed up. '.
+              'Additionally, uploaded files and direct messages are not '.
+              'backed up.');
+        $this->out->elementStart('p');
+        $this->out->raw($msg);
+        $this->out->elementEnd('p');
+    }
+
+    /**
+     * Buttons for the form
+     * 
+     * In this case, a single submit button
+     *
+     * @return void
+     */
+
+    function formActions()
+    {
+        $this->out->submit('submit',
+                           _m('BUTTON', 'Backup'),
+                           'submit',
+                           null,
+                           _('Backup your account'));
+    }
+}
diff --git a/actions/deleteaccount.php b/actions/deleteaccount.php
new file mode 100644
index 000000000..9abe2fcdb
--- /dev/null
+++ b/actions/deleteaccount.php
@@ -0,0 +1,319 @@
+<?php
+/**
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2010, StatusNet, Inc.
+ *
+ * Delete your own account
+ * 
+ * PHP version 5
+ *
+ * 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  Account
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+    // This check helps protect against security problems;
+    // your code file can't be executed directly from the web.
+    exit(1);
+}
+
+/**
+ * Action to delete your own account
+ * 
+ * Note that this is distinct from DeleteuserAction, which see. I thought
+ * that making that action do both things (delete another user and delete the
+ * current user) would open a lot of holes. I'm open to refactoring, however.
+ *
+ * @category  Account
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link      http://status.net/
+ */
+
+class DeleteaccountAction extends Action
+{
+    private $_complete = false;
+    private $_error    = null;
+
+    /**
+     * For initializing members of the class.
+     *
+     * @param array $argarray misc. arguments
+     *
+     * @return boolean true
+     */
+
+    function prepare($argarray)
+    {
+        parent::prepare($argarray);
+        
+        $cur = common_current_user();
+
+        if (empty($cur)) {
+            throw new ClientException(_("Only logged-in users ".
+                                        "can delete their account."), 403);
+        }
+
+        if (!$cur->hasRight(Right::DELETEACCOUNT)) {
+            throw new ClientException(_("You cannot delete your account."), 403);
+        }
+
+        return true;
+    }
+
+    /**
+     * Handler method
+     *
+     * @param array $argarray is ignored since it's now passed in in prepare()
+     *
+     * @return void
+     */
+
+    function handle($argarray=null)
+    {
+        parent::handle($argarray);
+
+        if ($this->isPost()) {
+            $this->deleteAccount();
+        } else {
+            $this->showPage();
+        }
+        return;
+    }
+
+    /**
+     * Return true if read only.
+     *
+     * MAY override
+     *
+     * @param array $args other arguments
+     *
+     * @return boolean is read only action?
+     */
+
+    function isReadOnly($args)
+    {
+        return false;
+    }
+
+    /**
+     * Return last modified, if applicable.
+     *
+     * MAY override
+     *
+     * @return string last modified http header
+     */
+
+    function lastModified()
+    {
+        // For comparison with If-Last-Modified
+        // If not applicable, return null
+        return null;
+    }
+
+    /**
+     * Return etag, if applicable.
+     *
+     * MAY override
+     *
+     * @return string etag http header
+     */
+
+    function etag()
+    {
+        return null;
+    }
+
+    /**
+     * Delete the current user's account
+     * 
+     * Checks for the "I am sure." string to make sure the user really
+     * wants to delete their account.
+     *
+     * Then, marks the account as deleted and begins the deletion process
+     * (actually done by a back-end handler).
+     *
+     * If successful it logs the user out, and shows a brief completion message.
+     *
+     * @return void
+     */
+
+    function deleteAccount()
+    {
+        $this->checkSessionToken();
+
+        if ($this->trimmed('iamsure') != _('I am sure.')) {
+            $this->_error = _('You must write  "I am sure." exactly in the box.');
+            $this->showPage();
+            return;
+        }
+
+        $cur = common_current_user();
+
+        // Mark the account as deleted and shove low-level deletion tasks
+        // to background queues. Removing a lot of posts can take a while...
+
+        if (!$cur->hasRole(Profile_role::DELETED)) {
+            $cur->grantRole(Profile_role::DELETED);
+        }
+
+        $qm = QueueManager::get();
+        $qm->enqueue($cur, 'deluser');
+
+        // The user is really-truly logged out
+
+        common_set_user(null);
+        common_real_login(false); // not logged in
+        common_forgetme(); // don't log back in!
+
+        $this->_complete = true;
+        $this->showPage();
+    }
+
+    /**
+     * Shows the page content.
+     * 
+     * If the deletion is complete, just shows a completion message.
+     *
+     * Otherwise, shows the deletion form.
+     *
+     * @return void
+     *
+     */
+
+    function showContent()
+    {
+        if ($this->_complete) {
+            $this->element('p', 'confirmation', 
+                           _('Account deleted.'));
+            return;
+        }
+
+        if (!empty($this->_error)) {
+            $this->element('p', 'error', $this->_error);
+            $this->_error = null;
+        }
+
+        $form = new DeleteAccountForm($this);
+        $form->show();
+    }
+    
+    /**
+     * Show the title of the page
+     *
+     * @return string title
+     */
+
+    function title()
+    {
+        return _('Delete account');
+    }
+}
+
+/**
+ * Form for deleting your account
+ * 
+ * Note that this mostly is here to keep you from accidentally deleting your
+ * account.
+ *
+ * @category  Account
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link      http://status.net/
+ */
+
+class DeleteAccountForm extends Form
+{
+    /**
+     * Class of the form.
+     *
+     * @return string the form's class
+     */
+
+    function formClass()
+    {
+        return 'form_profile_delete';
+    }
+
+    /**
+     * URL the form posts to
+     *
+     * @return string the form's action URL
+     */
+
+    function action()
+    {
+        return common_local_url('deleteaccount');
+    }
+
+    /**
+     * Output form data
+     * 
+     * Instructions plus an 'i am sure' entry box.
+     *
+     * @return void
+     */
+
+    function formData()
+    {
+        $cur = common_current_user();
+
+        $msg = _('<p>This will <strong>permanently delete</strong> '.
+                 'your account data from this server. </p>');
+
+        if ($cur->hasRight(Right::BACKUPACCOUNT)) {
+            $msg .= sprintf(_('<p>You are strongly advised to '.
+                              '<a href="%s">back up your data</a>'.
+                              ' before deletion.</p>'),
+                           common_local_url('backupaccount'));
+        }
+
+        $this->out->elementStart('p');
+        $this->out->raw($msg);
+        $this->out->elementEnd('p');
+
+        $this->out->input('iamsure',
+                          _('Confirm'),
+                          null,
+                          _('Enter "I am sure." to confirm that '.
+                            'you want to delete your account.'));
+    }
+
+    /**
+     * Buttons for the form
+     * 
+     * In this case, a single submit button
+     *
+     * @return void
+     */
+
+    function formActions()
+    {
+        $this->out->submit('submit',
+                           _m('BUTTON', 'Delete'),
+                           'submit',
+                           null,
+                           _('Permanently your account'));
+    }
+}
diff --git a/actions/profilesettings.php b/actions/profilesettings.php
index 28b1d20f3..8f55a4718 100644
--- a/actions/profilesettings.php
+++ b/actions/profilesettings.php
@@ -452,4 +452,33 @@ class ProfilesettingsAction extends AccountSettingsAction
             return $other->id != $user->id;
         }
     }
+
+    function showAside() {
+        $user = common_current_user();
+
+        $this->elementStart('div', array('id' => 'aside_primary',
+                                         'class' => 'aside'));
+        if ($user->hasRight(Right::BACKUPACCOUNT)) {
+            $this->elementStart('li');
+            $this->element('a',
+                           array('href' => common_local_url('backupaccount')),
+                           _('Backup account'));
+            $this->elementEnd('li');
+        }
+        if ($user->hasRight(Right::DELETEACCOUNT)) {
+            $this->elementStart('li');
+            $this->element('a',
+                           array('href' => common_local_url('deleteaccount')),
+                           _('Delete account'));
+            $this->elementEnd('li');
+        }
+        if ($user->hasRight(Right::RESTOREACCOUNT)) {
+            $this->elementStart('li');
+            $this->element('a',
+                           array('href' => common_local_url('restoreaccount')),
+                           _('Restore account'));
+            $this->elementEnd('li');
+        }
+        $this->elementEnd('div');
+    }
 }
diff --git a/actions/restoreaccount.php b/actions/restoreaccount.php
new file mode 100644
index 000000000..8cf220a42
--- /dev/null
+++ b/actions/restoreaccount.php
@@ -0,0 +1,376 @@
+<?php
+/**
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2010, StatusNet, Inc.
+ *
+ * Restore a backup of your own account from the browser
+ * 
+ * PHP version 5
+ *
+ * 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  Account
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+    // This check helps protect against security problems;
+    // your code file can't be executed directly from the web.
+    exit(1);
+}
+
+/**
+ * Restore a backup of your own account from the browser
+ *
+ * @category  Account
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link      http://status.net/
+ */
+
+class RestoreaccountAction extends Action
+{
+    private $success = false;
+    private $inprogress = false;
+
+    /**
+     * Returns the title of the page
+     * 
+     * @return string page title
+     */
+
+    function title()
+    {
+        return _("Restore account");
+    }
+
+    /**
+     * For initializing members of the class.
+     *
+     * @param array $argarray misc. arguments
+     *
+     * @return boolean true
+     */
+
+    function prepare($argarray)
+    {
+        parent::prepare($argarray);
+
+        $cur = common_current_user();
+
+        if (empty($cur)) {
+            throw new ClientException(_('Only logged-in users can restore their account.'), 403);
+        }
+
+        if (!$cur->hasRight(Right::RESTOREACCOUNT)) {
+            throw new ClientException(_('You may not restore your account.'), 403);
+        }
+
+        return true;
+    }
+
+    /**
+     * Handler method
+     *
+     * @param array $argarray is ignored since it's now passed in in prepare()
+     *
+     * @return void
+     */
+
+    function handle($argarray=null)
+    {
+        parent::handle($argarray);
+
+        if ($this->isPost()) {
+            $this->restoreAccount();
+        } else {
+            $this->showPage();
+        }
+        return;
+    }
+
+    /**
+     * Queue a file for restoration
+     * 
+     * Uses the UserActivityStream class; may take a long time!
+     *
+     * @return void
+     */
+
+    function restoreAccount()
+    {
+        $this->checkSessionToken();
+
+        if (!isset($_FILES['restorefile']['error'])) {
+            throw new ClientException(_('No uploaded file.'));
+        }
+
+        switch ($_FILES['restorefile']['error']) {
+        case UPLOAD_ERR_OK: // success, jump out
+            break;
+        case UPLOAD_ERR_INI_SIZE:
+            // TRANS: Client exception thrown when an uploaded file is larger than set in php.ini.
+            throw new ClientException(_('The uploaded file exceeds the ' .
+                'upload_max_filesize directive in php.ini.'));
+            return;
+        case UPLOAD_ERR_FORM_SIZE:
+            throw new ClientException(
+                // TRANS: Client exception.
+                _('The uploaded file exceeds the MAX_FILE_SIZE directive' .
+                ' that was specified in the HTML form.'));
+            return;
+        case UPLOAD_ERR_PARTIAL:
+            @unlink($_FILES['restorefile']['tmp_name']);
+            // TRANS: Client exception.
+            throw new ClientException(_('The uploaded file was only' .
+                ' partially uploaded.'));
+            return;
+        case UPLOAD_ERR_NO_FILE:
+            // No file; probably just a non-AJAX submission.
+            throw new ClientException(_('No uploaded file.'));
+            return;
+        case UPLOAD_ERR_NO_TMP_DIR:
+            // TRANS: Client exception thrown when a temporary folder is not present to store a file upload.
+            throw new ClientException(_('Missing a temporary folder.'));
+            return;
+        case UPLOAD_ERR_CANT_WRITE:
+            // TRANS: Client exception thrown when writing to disk is not possible during a file upload operation.
+            throw new ClientException(_('Failed to write file to disk.'));
+            return;
+        case UPLOAD_ERR_EXTENSION:
+            // TRANS: Client exception thrown when a file upload operation has been stopped by an extension.
+            throw new ClientException(_('File upload stopped by extension.'));
+            return;
+        default:
+            common_log(LOG_ERR, __METHOD__ . ": Unknown upload error " .
+                $_FILES['restorefile']['error']);
+            // TRANS: Client exception thrown when a file upload operation has failed with an unknown reason.
+            throw new ClientException(_('System error uploading file.'));
+            return;
+        }
+
+        $filename = $_FILES['restorefile']['tmp_name'];
+
+        try {
+            if (!file_exists($filename)) {
+                throw new ServerException("No such file '$filename'.");
+            }
+        
+            if (!is_file($filename)) {
+                throw new ServerException("Not a regular file: '$filename'.");
+            }
+        
+            if (!is_readable($filename)) {
+                throw new ServerException("File '$filename' not readable.");
+            }
+        
+            common_debug(sprintf(_("Getting backup from file '%s'."), $filename));
+
+            $xml = file_get_contents($filename);
+
+            // This check is costly but we should probably give
+            // the user some info ahead of time.
+            $doc = new DOMDocument();
+
+            // Disable PHP warnings so we don't spew low-level XML errors to output...
+            // would be nice if we can just get exceptions instead.
+            $old_err = error_reporting();
+            error_reporting($old_err & ~E_WARNING);
+            $doc->loadXML($xml);
+            error_reporting($old_err);
+
+            $feed = $doc->documentElement;
+
+            if (!$feed ||
+                $feed->namespaceURI != Activity::ATOM ||
+                $feed->localName != 'feed') {
+                throw new ClientException(_("Not an atom feed."));
+            }
+
+            // Enqueue for processing.
+
+            $qm = QueueManager::get();
+            $qm->enqueue(array(common_current_user(), $xml, false), 'feedimp');
+
+            if ($qm instanceof UnQueueManager) {
+                // No active queuing means we've actually just completed the job!
+                $this->success = true;
+            } else {
+                // We've fed data into background queues, and it's probably still running.
+                $this->inprogress = true;
+            }
+            $this->showPage();
+
+        } catch (Exception $e) {
+            // Delete the file and re-throw
+            @unlink($_FILES['restorefile']['tmp_name']);
+            throw $e;
+        }
+    }
+
+    /**
+     * Show a little form so that the person can upload a file to restore
+     *
+     * @return void
+     */
+    
+    function showContent()
+    {
+        if ($this->success) {
+            $this->element('p', null,
+                           _('Feed has been restored. Your old posts should now appear in search and your profile page.'));
+        } else if ($this->inprogress) {
+            $this->element('p', null,
+                           _('Feed will be restored. Please wait a few minutes for results.'));
+        } else {
+            $form = new RestoreAccountForm($this);
+            $form->show();
+        }
+    }
+ 
+    /**
+     * Return true if read only.
+     *
+     * MAY override
+     *
+     * @param array $args other arguments
+     *
+     * @return boolean is read only action?
+     */
+
+    function isReadOnly($args)
+    {
+        return false;
+    }
+
+    /**
+     * Return last modified, if applicable.
+     *
+     * MAY override
+     *
+     * @return string last modified http header
+     */
+
+    function lastModified()
+    {
+        // For comparison with If-Last-Modified
+        // If not applicable, return null
+        return null;
+    }
+
+    /**
+     * Return etag, if applicable.
+     *
+     * MAY override
+     *
+     * @return string etag http header
+     */
+
+    function etag()
+    {
+        return null;
+    }
+}
+
+/**
+ * A form for backing up the account.
+ *
+ * @category  Account
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
+ * @link      http://status.net/
+ */
+
+class RestoreAccountForm extends Form
+{
+    function __construct($out=null) {
+        parent::__construct($out);
+        $this->enctype = 'multipart/form-data';
+    }
+
+    /**
+     * Class of the form.
+     *
+     * @return string the form's class
+     */
+
+    function formClass()
+    {
+        return 'form_profile_restore';
+    }
+
+    /**
+     * URL the form posts to
+     *
+     * @return string the form's action URL
+     */
+
+    function action()
+    {
+        return common_local_url('restoreaccount');
+    }
+
+    /**
+     * Output form data
+     * 
+     * Really, just instructions for doing a backup.
+     *
+     * @return void
+     */
+
+    function formData()
+    {
+        $this->out->elementStart('p', 'instructions');
+
+        $this->out->raw(_('You can upload a backed-up stream in '.
+                          '<a href="http://activitystrea.ms/">Activity Streams</a> format.'));
+        
+        $this->out->elementEnd('p');
+
+        $this->out->elementStart('ul', 'form_data');
+
+        $this->out->elementStart('li', array ('id' => 'settings_attach'));
+        $this->out->element('input', array('name' => 'restorefile',
+                                           'type' => 'file',
+                                           'id' => 'restorefile'));
+        $this->out->elementEnd('li');
+
+        $this->out->elementEnd('ul');
+    }
+
+    /**
+     * Buttons for the form
+     * 
+     * In this case, a single submit button
+     *
+     * @return void
+     */
+
+    function formActions()
+    {
+        $this->out->submit('submit',
+                           _m('BUTTON', 'Upload'),
+                           'submit',
+                           null,
+                           _('Upload the file'));
+    }
+}