gnu-social/actions/avatarsettings.php

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2009-01-17 07:29:13 +09:00
<?php
/**
* Laconica, the distributed open-source microblogging tool
*
* Upload an avatar
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Settings
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @author Zach Copley <zach@controlyourself.ca>
* @copyright 2008-2009 Control Yourself, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
if (!defined('LACONICA')) {
exit(1);
}
require_once INSTALLDIR.'/lib/settingsaction.php';
/**
* Upload an avatar
*
* We use jQuery to crop the image after upload.
*
* @category Settings
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @author Zach Copley <zach@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
class AvatarsettingsAction extends SettingsAction
{
/**
* Title of the page
*
* @return string Title of the page
*/
function title()
{
return _('Avatar');
}
/**
* Instructions for use
*
* @return instructions for use
*/
function getInstructions()
{
return _('Set your personal avatar.');
}
/**
* Content area of the page
*
* Shows a form for uploading an avatar.
*
* @return void
*/
function showContent()
{
$user = common_current_user();
$profile = $user->getProfile();
if (!$profile) {
common_log_db_error($user, 'SELECT', __FILE__);
$this->serverError(_('User without matching profile'));
return;
}
$original = $profile->getOriginalAvatar();
$this->elementStart('form', array('enctype' => 'multipart/form-data',
'method' => 'POST',
'id' => 'avatar',
'action' =>
common_local_url('avatarsettings')));
$this->hidden('token', common_session_token());
if ($original) {
$this->elementStart('div',
array('id' => 'avatar_original',
'class' => 'avatar_view'));
$this->element('h3', null, _("Original:"));
$this->elementStart('div', array('id'=>'avatar_original_view'));
$this->element('img', array('src' => $original->url,
'class' => 'avatar original',
'width' => $original->width,
'height' => $original->height,
'alt' => $user->nickname));
$this->elementEnd('div');
$this->elementEnd('div');
}
$avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE);
if ($avatar) {
$this->elementStart('div',
array('id' => 'avatar_preview',
'class' => 'avatar_view'));
$this->element('h3', null, _("Preview:"));
$this->elementStart('div', array('id'=>'avatar_preview_view'));
$this->element('img', array('src' => $original->url,//$avatar->url,
'class' => 'avatar profile',
'width' => AVATAR_PROFILE_SIZE,
'height' => AVATAR_PROFILE_SIZE,
'alt' => $user->nickname));
$this->elementEnd('div');
$this->elementEnd('div');
foreach (array('avatar_crop_x', 'avatar_crop_y',
'avatar_crop_w', 'avatar_crop_h') as $crop_info) {
$this->element('input', array('name' => $crop_info,
'type' => 'hidden',
'id' => $crop_info));
}
$this->submit('crop', _('Crop'));
}
$this->element('input', array('name' => 'MAX_FILE_SIZE',
'type' => 'hidden',
'id' => 'MAX_FILE_SIZE',
'value' => MAX_AVATAR_SIZE));
$this->elementStart('p');
$this->element('input', array('name' => 'avatarfile',
'type' => 'file',
'id' => 'avatarfile'));
$this->elementEnd('p');
$this->submit('upload', _('Upload'));
$this->elementEnd('form');
}
/**
* Handle a post
*
* We mux on the button name to figure out what the user actually wanted.
*
* @return void
*/
function handlePost()
{
// CSRF protection
$token = $this->trimmed('token');
if (!$token || $token != common_session_token()) {
$this->show_form(_('There was a problem with your session token. '.
'Try again, please.'));
return;
}
if ($this->arg('upload')) {
$this->uploadAvatar();
} else if ($this->arg('crop')) {
$this->cropAvatar();
} else {
$this->showForm(_('Unexpected form submission.'));
}
}
/**
* Handle an image upload
*
* Does all the magic for handling an image upload, and crops the
* image by default.
*
* @return void
*/
function uploadAvatar()
{
switch ($_FILES['avatarfile']['error']) {
case UPLOAD_ERR_OK: // success, jump out
break;
case UPLOAD_ERR_INI_SIZE:
case UPLOAD_ERR_FORM_SIZE:
$this->showForm(_('That file is too big.'));
return;
case UPLOAD_ERR_PARTIAL:
@unlink($_FILES['avatarfile']['tmp_name']);
$this->showForm(_('Partial upload.'));
return;
default:
$this->showForm(_('System error uploading file.'));
return;
}
$info = @getimagesize($_FILES['avatarfile']['tmp_name']);
if (!$info) {
@unlink($_FILES['avatarfile']['tmp_name']);
$this->showForm(_('Not an image or corrupt file.'));
return;
}
switch ($info[2]) {
case IMAGETYPE_GIF:
case IMAGETYPE_JPEG:
case IMAGETYPE_PNG:
break;
default:
$this->showForm(_('Unsupported image file format.'));
return;
}
$user = common_current_user();
$profile = $user->getProfile();
if ($profile->setOriginal($_FILES['avatarfile']['tmp_name'])) {
$this->showForm(_('Avatar updated.'), true);
} else {
$this->showForm(_('Failed updating avatar.'));
}
@unlink($_FILES['avatarfile']['tmp_name']);
}
/**
* Handle the results of jcrop.
*
* @return void
*/
function cropAvatar()
{
$user = common_current_user();
$profile = $user->getProfile();
$x = $this->arg('avatar_crop_x');
$y = $this->arg('avatar_crop_y');
$w = $this->arg('avatar_crop_w');
$h = $this->arg('avatar_crop_h');
if ($profile->crop_avatars($x, $y, $w, $h)) {
$this->showForm(_('Avatar updated.'), true);
} else {
$this->showForm(_('Failed updating avatar.'));
}
}
/**
* Add the jCrop stylesheet
*
* @return void
*/
function showStylesheets()
{
parent::showStylesheets();
$jcropStyle =
common_path('js/jcrop/jquery.Jcrop.css?version='.LACONICA_VERSION);
$this->element('link', array('rel' => 'stylesheet',
'type' => 'text/css',
'href' => $jcropStyle,
'media' => 'screen, projection, tv'));
}
/**
* Add the jCrop scripts
*
* @return void
*/
function showScripts()
{
parent::showScripts();
$jcropPack = common_path('js/jcrop/jquery.Jcrop.pack.js');
$jcropGo = common_path('js/jcrop/jquery.Jcrop.go.js');
$this->element('script', array('type' => 'text/javascript',
'src' => $jcropPack));
$this->element('script', array('type' => 'text/javascript',
'src' => $jcropGo));
}
}