gnu-social/actions/avatarsettings.php

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<?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/accountsettingsaction.php';
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define('MAX_ORIGINAL', 480);
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/**
* Upload an avatar
*
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* We use jCrop plugin for jQuery to crop the image after upload.
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*
* @category Settings
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @author Zach Copley <zach@controlyourself.ca>
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* @author Sarven Capadisli <csarven@controlyourself.ca>
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* @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 AccountSettingsAction
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{
var $mode = null;
var $imagefile = null;
var $filename = null;
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/**
* Title of the page
*
* @return string Title of the page
*/
function title()
{
return _('Avatar');
}
/**
* Instructions for use
*
* @return instructions for use
*/
function getInstructions()
{
return _('You can upload your personal avatar.');
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}
/**
* Content area of the page
*
* Shows a form for uploading an avatar.
*
* @return void
*/
function showContent()
{
if ($this->mode == 'crop') {
$this->showCropForm();
} else {
$this->showUploadForm();
}
}
function showUploadForm()
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{
$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();
$this->elementStart('form', array('enctype' => 'multipart/form-data',
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'method' => 'post',
'id' => 'form_settings_avatar',
'class' => 'form_settings',
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'action' =>
common_local_url('avatarsettings')));
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$this->elementStart('fieldset');
$this->element('legend', null, _('Avatar settings'));
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$this->hidden('token', common_session_token());
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$this->elementStart('ul', 'form_data');
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if ($original) {
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$this->elementStart('li', array('id' => 'avatar_original',
'class' => 'avatar_view'));
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$this->element('h2', null, _("Original"));
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$this->elementStart('div', array('id'=>'avatar_original_view'));
$this->element('img', array('src' => $original->url,
'width' => $original->width,
'height' => $original->height,
'alt' => $user->nickname));
$this->elementEnd('div');
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$this->elementEnd('li');
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}
$avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE);
if ($avatar) {
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$this->elementStart('li', array('id' => 'avatar_preview',
'class' => 'avatar_view'));
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$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' => $original->url,
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'width' => AVATAR_PROFILE_SIZE,
'height' => AVATAR_PROFILE_SIZE,
'alt' => $user->nickname));
$this->elementEnd('div');
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$this->elementEnd('li');
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}
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$this->elementStart('li', array ('id' => 'settings_attach'));
$this->element('input', array('name' => 'avatarfile',
'type' => 'file',
'id' => 'avatarfile'));
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$this->element('input', array('name' => 'MAX_FILE_SIZE',
'type' => 'hidden',
'id' => 'MAX_FILE_SIZE',
'value' => MAX_AVATAR_SIZE));
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$this->elementEnd('li');
$this->elementEnd('ul');
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$this->elementStart('ul', 'form_actions');
$this->elementStart('li');
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$this->submit('upload', _('Upload'));
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$this->elementEnd('li');
$this->elementEnd('ul');
$this->elementEnd('fieldset');
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$this->elementEnd('form');
}
function showCropForm()
{
$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('method' => 'post',
'id' => 'form_settings_avatar',
'class' => 'form_settings',
'action' =>
common_local_url('avatarsettings')));
$this->elementStart('fieldset');
$this->element('legend', null, _('Avatar settings'));
$this->hidden('token', common_session_token());
$this->elementStart('ul', 'form_data');
$this->elementStart('li',
array('id' => 'avatar_original',
'class' => 'avatar_view'));
$this->element('h2', null, _("Original"));
$this->elementStart('div', array('id'=>'avatar_original_view'));
$this->element('img', array('src' => common_avatar_url($this->filedata['filename']),
'width' => $this->filedata['width'],
'height' => $this->filedata['height'],
'alt' => $user->nickname));
$this->elementEnd('div');
$this->elementEnd('li');
$this->elementStart('li',
array('id' => 'avatar_preview',
'class' => 'avatar_view'));
$this->element('h2', null, _("Preview"));
$this->elementStart('div', array('id'=>'avatar_preview_view'));
$this->element('img', array('src' => common_avatar_url($this->filedata['filename']),
'width' => AVATAR_PROFILE_SIZE,
'height' => AVATAR_PROFILE_SIZE,
'alt' => $user->nickname));
$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->elementEnd('li');
$this->elementEnd('ul');
$this->elementEnd('fieldset');
$this->elementEnd('form');
}
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/**
* 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()
{
try {
$imagefile = ImageFile::fromUpload('avatarfile');
} catch (Exception $e) {
$this->showForm($e->getMessage());
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return;
}
$cur = common_current_user();
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$filename = common_avatar_filename($cur->id,
image_type_to_extension($imagefile->type),
null,
'tmp'.common_timestamp());
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$filepath = common_avatar_path($filename);
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move_uploaded_file($imagefile->filepath, $filepath);
$filedata = array('filename' => $filename,
'filepath' => $filepath,
'width' => $imagefile->width,
'height' => $imagefile->height,
'type' => $imagefile->type);
$_SESSION['FILEDATA'] = $filedata;
$this->filedata = $filedata;
$this->mode = 'crop';
$this->showForm(_('Pick a square area of the image to be your avatar'),
true);
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}
/**
* Handle the results of jcrop.
*
* @return void
*/
function cropAvatar()
{
$filedata = $_SESSION['FILEDATA'];
if (!$filedata) {
$this->serverError(_('Lost our file data.'));
return;
}
// If image is not being cropped assume pos & dimentions of original
$dest_x = $this->arg('avatar_crop_x') ? $this->arg('avatar_crop_x'):0;
$dest_y = $this->arg('avatar_crop_y') ? $this->arg('avatar_crop_y'):0;
$dest_w = $this->arg('avatar_crop_w') ? $this->arg('avatar_crop_w'):$filedata['width'];
$dest_h = $this->arg('avatar_crop_h') ? $this->arg('avatar_crop_h'):$filedata['height'];
$size = min($dest_w, $dest_h);
$size = ($size > MAX_ORIGINAL) ? MAX_ORIGINAL:$size;
$user = common_current_user();
$profile = $user->getProfile();
$imagefile = new ImageFile($user->id, $filedata['filepath']);
$filename = $imagefile->resize($size, $dest_x, $dest_y, $dest_w, $dest_h);
if ($profile->setOriginal($filename)) {
@unlink($filedata['filepath']);
unset($_SESSION['FILEDATA']);
$this->mode = 'upload';
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$this->showForm(_('Avatar updated.'), true);
} else {
$this->showForm(_('Failed updating avatar.'));
}
}
/**
* Add the jCrop stylesheet
*
* @return void
*/
function showStylesheets()
{
parent::showStylesheets();
$jcropStyle =
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common_path('theme/base/css/jquery.Jcrop.css?version='.LACONICA_VERSION);
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$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));
}
}