454 lines
15 KiB
PHP
454 lines
15 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* Upload an avatar
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*
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* PHP version 5
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*
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* LICENCE: This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category Settings
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @author Zach Copley <zach@status.net>
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* @copyright 2008-2011 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET') && !defined('LACONICA')) {
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exit(1);
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}
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define('MAX_ORIGINAL', 480);
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/**
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* Upload an avatar
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*
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* We use jCrop plugin for jQuery to crop the image after upload.
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*
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* @category Settings
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @author Zach Copley <zach@status.net>
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* @author Sarven Capadisli <csarven@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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class GrouplogoAction extends GroupAction
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{
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var $mode = null;
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var $imagefile = null;
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var $filename = null;
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var $msg = null;
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var $success = null;
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/**
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* Prepare to run
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*/
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protected function prepare(array $args=array())
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{
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parent::prepare($args);
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if (!common_logged_in()) {
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// TRANS: Client error displayed when trying to create a group while not logged in.
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$this->clientError(_('You must be logged in to create a group.'));
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}
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$nickname_arg = $this->trimmed('nickname');
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$nickname = common_canonical_nickname($nickname_arg);
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// Permanent redirect on non-canonical nickname
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if ($nickname_arg != $nickname) {
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$args = array('nickname' => $nickname);
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common_redirect(common_local_url('grouplogo', $args), 301);
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}
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if (!$nickname) {
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// TRANS: Client error displayed when trying to change group logo settings without providing a nickname.
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$this->clientError(_('No nickname.'), 404);
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}
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$groupid = $this->trimmed('groupid');
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if ($groupid) {
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$this->group = User_group::getKV('id', $groupid);
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} else {
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$local = Local_group::getKV('nickname', $nickname);
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if ($local) {
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$this->group = User_group::getKV('id', $local->group_id);
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}
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}
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if (!$this->group) {
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// TRANS: Client error displayed when trying to update logo settings for a non-existing group.
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$this->clientError(_('No such group.'), 404);
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}
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$cur = common_current_user();
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if (!$cur->isAdmin($this->group)) {
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// TRANS: Client error displayed when trying to change group logo settings while not being a group admin.
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$this->clientError(_('You must be an admin to edit the group.'), 403);
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}
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return true;
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}
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protected function handle()
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{
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parent::handle();
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if ($_SERVER['REQUEST_METHOD'] == 'POST') {
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$this->handlePost();
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} else {
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$this->showForm();
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}
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}
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function showForm($msg = null, $success = false)
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{
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$this->msg = $msg;
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$this->success = $success;
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$this->showPage();
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}
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/**
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* Title of the page
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*
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* @return string Title of the page
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*/
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function title()
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{
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// TRANS: Title for group logo settings page.
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return _('Group logo');
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}
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/**
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* Instructions for use
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*
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* @return instructions for use
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*/
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function getInstructions()
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{
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// TRANS: Instructions for group logo page.
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// TRANS: %s is the maximum file size for that site.
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return sprintf(_('You can upload a logo image for your group. The maximum file size is %s.'), ImageFile::maxFileSize());
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}
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/**
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* Content area of the page
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*
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* Shows a form for uploading an avatar.
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*
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* @return void
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*/
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function showContent()
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{
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if ($this->mode == 'crop') {
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$this->showCropForm();
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} else {
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$this->showUploadForm();
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}
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}
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function showUploadForm()
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{
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$user = common_current_user();
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$profile = $user->getProfile();
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if (!$profile) {
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common_log_db_error($user, 'SELECT', __FILE__);
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// TRANS: Error message displayed when referring to a user without a profile.
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$this->serverError(_('User has no profile.'));
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}
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$original = $this->group->original_logo;
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$this->elementStart('form', array('enctype' => 'multipart/form-data',
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'method' => 'post',
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'id' => 'form_settings_avatar',
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'class' => 'form_settings',
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'action' =>
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common_local_url('grouplogo',
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array('nickname' => $this->group->nickname))));
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$this->elementStart('fieldset');
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// TRANS: Group logo form legend.
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$this->element('legend', null, _('Group logo'));
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$this->hidden('token', common_session_token());
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$this->elementStart('ul', 'form_data');
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if ($original) {
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$this->elementStart('li', array('id' => 'avatar_original',
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'class' => 'avatar_view'));
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// TRANS: Uploaded original file in group logo form.
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$this->element('h2', null, _('Original'));
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$this->elementStart('div', array('id'=>'avatar_original_view'));
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$this->element('img', array('src' => $this->group->original_logo,
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'alt' => $this->group->nickname));
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$this->elementEnd('div');
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$this->elementEnd('li');
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}
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if ($this->group->homepage_logo) {
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$this->elementStart('li', array('id' => 'avatar_preview',
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'class' => 'avatar_view'));
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// TRANS: Header for preview of to be displayed group logo.
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$this->element('h2', null, _('Preview'));
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$this->elementStart('div', array('id'=>'avatar_preview_view'));
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$this->element('img', array('src' => $this->group->homepage_logo,
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'width' => AVATAR_PROFILE_SIZE,
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'height' => AVATAR_PROFILE_SIZE,
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'alt' => $this->group->nickname));
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$this->elementEnd('div');
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$this->elementEnd('li');
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}
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$this->elementStart('li', array ('id' => 'settings_attach'));
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$this->element('input', array('name' => 'MAX_FILE_SIZE',
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'type' => 'hidden',
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'id' => 'MAX_FILE_SIZE',
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'value' => ImageFile::maxFileSizeInt()));
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$this->element('input', array('name' => 'avatarfile',
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'type' => 'file',
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'id' => 'avatarfile'));
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$this->elementEnd('li');
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$this->elementEnd('ul');
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$this->elementStart('ul', 'form_actions');
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$this->elementStart('li');
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// TRANS: Submit button for uploading a group logo.
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$this->submit('upload', _('Upload'));
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$this->elementEnd('li');
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$this->elementEnd('ul');
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$this->elementEnd('fieldset');
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$this->elementEnd('form');
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}
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function showCropForm()
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{
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$this->elementStart('form', array('method' => 'post',
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'id' => 'form_settings_avatar',
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'class' => 'form_settings',
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'action' =>
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common_local_url('grouplogo',
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array('nickname' => $this->group->nickname))));
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$this->elementStart('fieldset');
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// TRANS: Legend for group logo settings fieldset.
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$this->element('legend', null, _('Avatar settings'));
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$this->hidden('token', common_session_token());
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$this->elementStart('ul', 'form_data');
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$this->elementStart('li',
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array('id' => 'avatar_original',
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'class' => 'avatar_view'));
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// TRANS: Header for originally uploaded file before a crop on the group logo page.
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$this->element('h2', null, _('Original'));
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$this->elementStart('div', array('id'=>'avatar_original_view'));
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$this->element('img', array('src' => Avatar::url($this->filedata['filename']),
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'width' => $this->filedata['width'],
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'height' => $this->filedata['height'],
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'alt' => $this->group->nickname));
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$this->elementEnd('div');
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$this->elementEnd('li');
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$this->elementStart('li',
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array('id' => 'avatar_preview',
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'class' => 'avatar_view'));
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// TRANS: Header for the cropped group logo on the group logo page.
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$this->element('h2', null, _('Preview'));
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$this->elementStart('div', array('id'=>'avatar_preview_view'));
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$this->element('img', array('src' => Avatar::url($this->filedata['filename']),
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'width' => AVATAR_PROFILE_SIZE,
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'height' => AVATAR_PROFILE_SIZE,
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'alt' => $this->group->nickname));
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$this->elementEnd('div');
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foreach (array('avatar_crop_x', 'avatar_crop_y',
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'avatar_crop_w', 'avatar_crop_h') as $crop_info) {
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$this->element('input', array('name' => $crop_info,
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'type' => 'hidden',
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'id' => $crop_info));
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}
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// TRANS: Button text for cropping an uploaded group logo.
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$this->submit('crop', _('Crop'));
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$this->elementEnd('li');
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$this->elementEnd('ul');
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$this->elementEnd('fieldset');
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$this->elementEnd('form');
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}
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/**
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* Handle a post
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*
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* We mux on the button name to figure out what the user actually wanted.
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*
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* @return void
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*/
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function handlePost()
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{
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// CSRF protection
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$token = $this->trimmed('token');
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if (!$token || $token != common_session_token()) {
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// TRANS: Form validation error message.
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$this->show_form(_('There was a problem with your session token. '.
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'Try again, please.'));
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return;
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}
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if ($this->arg('upload')) {
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$this->uploadLogo();
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} else if ($this->arg('crop')) {
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$this->cropLogo();
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} else {
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// TRANS: Form validation error message when an unsupported argument is used.
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$this->showForm(_('Unexpected form submission.'));
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}
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}
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/**
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* Handle an image upload
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*
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* Does all the magic for handling an image upload, and crops the
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* image by default.
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*
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* @return void
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*/
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function uploadLogo()
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{
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try {
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$imagefile = ImageFile::fromUpload('avatarfile');
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} catch (Exception $e) {
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$this->showForm($e->getMessage());
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return;
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}
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$type = $imagefile->preferredType();
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$filename = Avatar::filename($this->group->id,
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image_type_to_extension($type),
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null,
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'group-temp-'.common_timestamp());
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$filepath = Avatar::path($filename);
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$imagefile->copyTo($filepath);
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$filedata = array('filename' => $filename,
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'filepath' => $filepath,
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'width' => $imagefile->width,
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'height' => $imagefile->height,
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'type' => $type);
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$_SESSION['FILEDATA'] = $filedata;
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$this->filedata = $filedata;
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$this->mode = 'crop';
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// TRANS: Form instructions on the group logo page.
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$this->showForm(_('Pick a square area of the image to be the logo.'),
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true);
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}
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/**
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* Handle the results of jcrop.
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*
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* @return void
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*/
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function cropLogo()
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{
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$filedata = $_SESSION['FILEDATA'];
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if (!$filedata) {
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// TRANS: Server error displayed trying to crop an uploaded group logo that is no longer present.
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$this->serverError(_('Lost our file data.'));
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}
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// If image is not being cropped assume pos & dimentions of original
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$dest_x = $this->arg('avatar_crop_x') ? $this->arg('avatar_crop_x'):0;
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$dest_y = $this->arg('avatar_crop_y') ? $this->arg('avatar_crop_y'):0;
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$dest_w = $this->arg('avatar_crop_w') ? $this->arg('avatar_crop_w'):$filedata['width'];
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$dest_h = $this->arg('avatar_crop_h') ? $this->arg('avatar_crop_h'):$filedata['height'];
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$size = min($dest_w, $dest_h);
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$size = ($size > MAX_ORIGINAL) ? MAX_ORIGINAL:$size;
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$imagefile = new ImageFile($this->group->id, $filedata['filepath']);
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$filename = $imagefile->resize($size, $dest_x, $dest_y, $dest_w, $dest_h);
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if ($this->group->setOriginal($filename)) {
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@unlink($filedata['filepath']);
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unset($_SESSION['FILEDATA']);
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$this->mode = 'upload';
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// TRANS: Form success message after updating a group logo.
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$this->showForm(_('Logo updated.'), true);
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} else {
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// TRANS: Form failure message after failing to update a group logo.
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$this->showForm(_('Failed updating logo.'));
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}
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}
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function showPageNotice()
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{
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if ($this->msg) {
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$this->element('div', ($this->success) ? 'success' : 'error',
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$this->msg);
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} else {
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$inst = $this->getInstructions();
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$output = common_markup_to_html($inst);
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$this->elementStart('div', 'instructions');
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$this->raw($output);
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$this->elementEnd('div');
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}
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}
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/**
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* Add the jCrop stylesheet
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*
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* @return void
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*/
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function showStylesheets()
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{
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parent::showStylesheets();
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$this->cssLink('js/extlib/jquery-jcrop/css/jcrop.css','base','screen, projection, tv');
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}
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/**
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* Add the jCrop scripts
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*
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* @return void
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*/
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function showScripts()
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{
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parent::showScripts();
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if ($this->mode == 'crop') {
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$this->script('extlib/jquery-jcrop/jcrop.js');
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$this->script('jcrop.go.js');
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}
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$this->autofocus('avatarfile');
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}
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}
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