437 lines
16 KiB
PHP
437 lines
16 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 2008-2009 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 AvatarsettingsAction extends SettingsAction
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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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/**
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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 avatar upload page.
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return _('Avatar');
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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: Instruction for avatar upload page.
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// TRANS: %s is the maximum file size, for example "500b", "10kB" or "2MB".
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return sprintf(_('You can upload your personal avatar. The maximum file size is %s.'),
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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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$this->elementStart('form', array('enctype' => 'multipart/form-data',
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'method' => 'post',
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'id' => 'form_settings_avatar',
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'class' => 'form_settings',
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'action' =>
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common_local_url('avatarsettings')));
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$this->elementStart('fieldset');
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// TRANS: Avatar upload page form legend.
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$this->element('legend', null, _('Avatar settings'));
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$this->hidden('token', common_session_token());
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if (Event::handle('StartAvatarFormData', array($this))) {
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$this->elementStart('ul', 'form_data');
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try {
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$original = Avatar::getUploaded($profile);
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$this->elementStart('li', array('id' => 'avatar_original',
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'class' => 'avatar_view'));
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// TRANS: Header on avatar upload page for thumbnail of originally uploaded avatar (h2).
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$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' => $original->displayUrl(),
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'width' => $original->width,
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'height' => $original->height,
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'alt' => $user->nickname));
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$this->elementEnd('div');
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$this->elementEnd('li');
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} catch (NoAvatarException $e) {
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// No original avatar found!
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}
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try {
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$avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE);
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$this->elementStart('li', array('id' => 'avatar_preview',
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'class' => 'avatar_view'));
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// TRANS: Header on avatar upload page for thumbnail of to be used rendition of uploaded avatar (h2).
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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->displayUrl(),
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'width' => AVATAR_PROFILE_SIZE,
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'height' => AVATAR_PROFILE_SIZE,
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'alt' => $user->nickname));
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$this->elementEnd('div');
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if (!empty($avatar->filename)) {
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// TRANS: Button on avatar upload page to delete current avatar.
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$this->submit('delete', _m('BUTTON','Delete'));
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}
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$this->elementEnd('li');
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} catch (NoAvatarException $e) {
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// No previously uploaded avatar to preview.
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}
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$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: Button on avatar upload page to upload an avatar.
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$this->submit('upload', _m('BUTTON','Upload'));
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$this->elementEnd('li');
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$this->elementEnd('ul');
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}
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Event::handle('EndAvatarFormData', array($this));
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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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$user = common_current_user();
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$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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$this->elementStart('form', array('method' => 'post',
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'id' => 'form_settings_avatar',
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'class' => 'form_settings',
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'action' =>
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common_local_url('avatarsettings')));
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$this->elementStart('fieldset');
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// TRANS: Avatar upload page crop form legend.
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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 on avatar upload crop form for thumbnail of originally uploaded avatar (h2).
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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' => $user->nickname));
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$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 on avatar upload crop form for thumbnail of to be used rendition of uploaded avatar (h2).
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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' => $user->nickname));
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$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' => $crop_info));
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}
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// TRANS: Button on avatar upload crop form to confirm a selected crop as avatar.
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$this->submit('crop', _m('BUTTON','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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// Workaround for PHP returning empty $_POST and $_FILES when POST
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// length > post_max_size in php.ini
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if (empty($_FILES)
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&& empty($_POST)
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&& ($_SERVER['CONTENT_LENGTH'] > 0)
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) {
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// TRANS: Client error displayed when the number of bytes in a POST request exceeds a limit.
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// TRANS: %s is the number of bytes of the CONTENT_LENGTH.
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$msg = _m('The server was unable to handle that much POST data (%s byte) due to its current configuration.',
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'The server was unable to handle that much POST data (%s bytes) due to its current configuration.',
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intval($_SERVER['CONTENT_LENGTH']));
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$this->showForm(sprintf($msg, $_SERVER['CONTENT_LENGTH']));
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return;
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}
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// CSRF protection
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$token = $this->trimmed('token');
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if (!$token || $token != common_session_token()) {
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// TRANS: Client error displayed when the session token does not match or is not given.
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$this->showForm(_('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 (Event::handle('StartAvatarSaveForm', array($this))) {
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if ($this->arg('upload')) {
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$this->uploadAvatar();
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} else if ($this->arg('crop')) {
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$this->cropAvatar();
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} else if ($this->arg('delete')) {
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$this->deleteAvatar();
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} else {
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// TRANS: Unexpected validation error on avatar upload form.
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$this->showForm(_('Unexpected form submission.'));
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}
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Event::handle('EndAvatarSaveForm', array($this));
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}
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}
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/**
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* Handle an image upload
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*
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* Does all the magic for handling an image upload, and crops the
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* image by default.
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*
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* @return void
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*/
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function uploadAvatar()
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{
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try {
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$imagefile = ImageFile::fromUpload('avatarfile');
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} catch (Exception $e) {
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$this->showForm($e->getMessage());
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return;
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}
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if ($imagefile === null) {
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// TRANS: Validation error on avatar upload form when no file was uploaded.
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$this->showForm(_('No file uploaded.'));
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return;
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}
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$cur = common_current_user();
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$type = $imagefile->preferredType();
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$filename = Avatar::filename($cur->id,
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image_type_to_extension($type),
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null,
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'tmp'.common_timestamp());
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$filepath = Avatar::path($filename);
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$imagefile = $imagefile->copyTo($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: Avatar upload form instruction after uploading a file.
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$this->showForm(_('Pick a square area of the image to be your avatar.'),
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true);
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}
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/**
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* Handle the results of jcrop.
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*
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* @return void
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*/
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public function cropAvatar()
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{
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$filedata = $_SESSION['FILEDATA'];
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if (!$filedata) {
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// TRANS: Server error displayed if an avatar upload went wrong somehow server side.
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$this->serverError(_('Lost our file data.'));
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}
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$file_d = ($filedata['width'] > $filedata['height'])
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? $filedata['height'] : $filedata['width'];
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$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') ? $this->arg('avatar_crop_w'):$file_d;
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$dest_h = $this->arg('avatar_crop_h') ? $this->arg('avatar_crop_h'):$file_d;
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$size = intval(min($dest_w, $dest_h, MAX_ORIGINAL));
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$user = common_current_user();
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$profile = $user->getProfile();
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$imagefile = new ImageFile($user->id, $filedata['filepath']);
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$filename = $imagefile->resize($size, $dest_x, $dest_y, $dest_w, $dest_h);
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if ($profile->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: Success message for having updated a user avatar.
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$this->showForm(_('Avatar updated.'), true);
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} else {
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// TRANS: Error displayed on the avatar upload page if the avatar could not be updated for an unknown reason.
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$this->showForm(_('Failed updating avatar.'));
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}
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}
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/**
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* Get rid of the current avatar.
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*
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* @return void
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*/
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function deleteAvatar()
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{
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$user = common_current_user();
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$profile = $user->getProfile();
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Avatar::deleteFromProfile($profile);
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// TRANS: Success message for deleting a user avatar.
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$this->showForm(_('Avatar deleted.'), true);
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}
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/**
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* Add the jCrop stylesheet
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*
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* @return void
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*/
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function showStylesheets()
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{
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parent::showStylesheets();
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$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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