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<?php
/*
* Laconica - a distributed open-source microblogging tool
* Copyright (C) 2008, Controlez-Vous, Inc.
*
* 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/>.
*/
if (!defined('LACONICA')) { exit(1) }
class AvatarAction extends SettingsAction {
function show_form($msg=NULL, $success=false) {
common_show_header(_t('Avatar'));
$this->settings_menu();
$this->message($msg, $success);
$user = common_current_user();
$profile = $user->getProfile();
$original = $profile->getOriginal();
if ($original) {
common_element('img', array('src' => $original->url,
'class' => 'avatar original',
'width' => $original->width,
'height' => $original->height));
}
$avatar = $profile->getAvatar(AVATAR_PROFILE_SIZE);
if ($avatar) {
common_element('img', array('src' => $avatar->url,
'class' => 'avatar profile',
'width' => AVATAR_PROFILE_SIZE,
'height' => AVATAR_PROFILE_SIZE));
}
common_start_element('form', array('enctype' => 'multipart/form-data',
'method' => 'POST',
'id' => 'avatar',
'action' =>
common_local_url('avatar')));
common_element('input', array('name' => 'MAX_FILE_SIZE',
'type' => 'hidden',
'id' => 'MAX_FILE_SIZE',
'value' => MAX_AVATAR_SIZE));
common_element('input', array('name' => 'avatarfile',
'type' => 'file',
'id' => 'avatarfile'));
common_element('input', array('name' => 'submit',
'type' => 'submit',
'id' => 'submit'),
_t('Upload'));
}
function handle_post() {
switch ($_FILES['avatarfile']['error']) {
case UPLOAD_ERR_OK: # success, jump out
break;
case UPLOAD_ERR_INI_SIZE:
case UPLOAD_ERR_FORM_SIZE:
$this->show_form(_t('That file is too big.'));
return;
case UPLOAD_ERR_PARTIAL:
@unlink($_FILES['avatarfile']['tmp_name']);
$this->show_form(_t('Partial upload.'));
return;
default:
$this->show_form(_t('System error uploading file.'));
return;
}
$info = @getimagesize($_FILES['avatarfile']['tmp_name']);
if (!$info) {
@unlink($_FILES['avatarfile']['tmp_name']);
$this->show_form(_t('Not an image or corrupt file.'));
return;
}
switch ($info[2]) {
case IMAGETYPE_GIF:
case IMAGETYPE_JPEG:
case IMAGETYPE_PNG:
break;
default:
$this->show_form(_t('Unsupported image file format.'));
return;
}
$user = common_current_user();
$filename = common_avatar_filename($user, image_type_to_extension($info[2]));
$filepath = common_avatar_path($filename);
if (!move_uploaded_file($_FILES['avatarfile']['tmp_name'], $filepath)) {
@unlink($_FILES['avatarfile']['tmp_name']);
$this->show_form(_t('System error uploading file.'));
return;
}
$avatar = DB_DataObject::factory('avatar');
$avatar->profile_id = $user->id;
$avatar->width = $info[0];
$avatar->height = $info[1];
$avatar->mediatype = image_type_to_mime_type($info[2]);
$avatar->filename = $filename;
$avatar->original = true;
$avatar->url = common_avatar_url($filename);
foreach (array(AVATAR_PROFILE_SIZE, AVATAR_STREAM_SIZE, AVATAR_MINI_SIZE) as $size) {
$scaled[] = $this->scale_avatar($user, $avatar, $size);
}
# XXX: start a transaction here
if (!$this->delete_old_avatars($user)) {
@unlink($filepath);
common_server_error(_t('Error deleting old avatars.'));
return;
}
if (!$avatar->insert()) {
@unlink($filepath);
common_server_error(_t('Error inserting avatar.'));
return;
}
foreach ($scaled as $s) {
if (!$s->insert()) {
common_server_error(_t('Error inserting scaled avatar.'));
return;
}
}
# XXX: end transaction here
$this->show_form(_t('Avatar updated.'), true);
}
function scale_avatar($user, $avatar, $size) {
$image_s = imagecreatetruecolor($size, $size);
$image_a = $this->avatar_to_image($avatar);
$square = min($avatar->width, $avatar->height);
imagecopyresampled($image_s, $image_a, 0, 0, 0, 0,
$size, $size, $square, $square);
$ext = ($avatar->mediattype == 'image/jpeg') ? ".jpg" : ".png";
$filename = common_avatar_filename($user, $ext, $size);
if ($avatar->mediatype == 'image/jpeg') {
imagejpeg($image_s, common_avatar_path($filename));
} else {
imagepng($image_s, common_avatar_path($filename));
}
$scaled = DB_DataObject::factory('avatar');
$scaled->profile_id = $avatar->profile_id;
$scaled->width = $size;
$scaled->height = $size;
$scaled->original = false;
$scaled->mediatype = ($avatar->mediattype == 'image/jpeg') ? 'image/jpeg' : 'image/png';
$scaled->filename = $filename;
$scaled->url = common_avatar_url($filename);
return $scaled;
}
function avatar_to_image($avatar) {
$filepath = common_avatar_path($avatar->filename);
if ($avatar->mediatype == 'image/gif') {
return imagecreatefromgif($filepath);
} else if ($avatar->mediatype == 'image/jpeg') {
return imagecreatefromjpeg($filepath);
} else if ($avatar->mediatype == 'image/png') {
return imagecreatefrompng($filepath);
} else {
common_server_error(_t('Unsupported image type:') . $avatar->mediatype);
return NULL;
}
}
function delete_old_avatars($user) {
$avatar = DB_DataObject::factory('avatar');
$avatar->profile_id = $user->id;
$avatar->find();
while ($avatar->fetch()) {
$avatar->delete();
}
}
}
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