gnu-social/plugins/GNUsocialPhotos/actions/photos.php

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<?php
/**
* GNU Social
* Copyright (C) 2010, Free Software Foundation, Inc.
*
* 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 Widget
* @package GNU Social
* @author Ian Denhardt <ian@zenhack.net>
* @copyright 2010 Free Software Foundation, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
*/
if (!defined('STATUSNET')) {
exit(1);
}
class PhotosAction extends Action
{
var $user = null;
function prepare($args)
{
parent::prepare($args);
$this->user = common_current_user();
common_log(LOG_INFO, "finishing prepare. user : ");
common_log(LOG_INFO, $this->user->nickname);
return true;
}
function handle($args)
{
parent::handle($args);
$this->showPage();
}
function title()
{
if (empty($this->user)) {
return _m('Hello');
} else {
return sprintf(_m('Hello, %s'), $this->user->nickname);
}
}
function showContent()
{
common_log(LOG_INFO, "getting to show content.\n");
if (empty($this->user)) {
// TODO: should just redirect to the login page.
$this->element('p', array(), 'You are not logged in');
} else {
common_log(LOG_INFO, 'fileroot : ' . $_SERVER['DOCUMENT_ROOT'] . '/file/');
$dir = opendir($_SERVER['DOCUMENT_ROOT'] . '/file/');
if ($dir === false) {
$err = error_get_last();
common_log(LOG_INFO, 'Error opening dir : ' . $err['message']);
return;
}
$args = $this->returnToArgs();
foreach (array_keys($args) as $key) {
common_log(LOG_INFO, $key . ' => ' . $args[$key]);
if (is_array($args[$key])) {
foreach (array_keys($args[$key]) as $skey) {
common_log(LOG_INFO, ' ' . $skey . ' => ' . $args[$key][$skey]);
}
}
}
$pathparts = explode('/', $args[1]['nickname']);
$username = $pathparts[0];
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$this->elementStart('ul', array('class' => 'photothumbs'));
while (false !== ($file = readdir($dir))) {
$fparts = explode('-', $file);
if ($fparts[0] == $username // uploaded by this user
&& ((substr($file, -4) == '.png')
|| (substr($file, -4) == '.jpg') // XXX: is this needed? status.net seems to save jpgs as .jpeg
|| (substr($file, -5) == '.jpeg')
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|| (substr($file, -4) == '.gif'))) { // and it's an image
common_log(LOG_INFO, 'file : ' . $file);
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$this->elementStart('li');
$this->elementStart('a', array('href' => 'http://' . common_config('site', 'server') . '/file/' . $file));
if (!file_exists(INSTALLDIR . '/file/thumb.' . $file)) {
$this->makeThumb($file);
}
$this->element('img', array('src' => 'http://' . common_config('site', 'server') . '/file/' . 'thumb.' . $file));
$this->elementEnd('a');
$this->elementEnd('li');
}
}
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$this->elementEnd('ul');
}
}
function makeThumb($filename)
{
$height_dest = 192;
$width_dest = 256;
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if (substr($filename, -4) == '.jpg' || substr($filename, -5) == '.jpeg') {
$image_src = imagecreatefromjpeg(INSTALLDIR . '/file/' . $filename);
$image_type = IMAGETYPE_JPEG;
} else if(substr($filename, -4) == '.png') {
$image_src = imagecreatefrompng(INSTALLDIR . '/file/' . $filename);
$image_type = IMAGETYPE_PNG;
} else if(substr($filename, -4) == '.gif') {
$image_src = imagecreatefromgif(INSTALLDIR . '/file/' . $filename);
$image_type = IMAGETYPE_GIF;
} else {
return false;
}
$size_src = getimagesize(INSTALLDIR . '/file/' . $filename);
$width_src = $size_src[0];
$height_src = $size_src[1];
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$ratio_src = (float) $width_src / (float) $height_src;
$ratio_dest = (float) $width_dest / (float) $height_dest;
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if ($ratio_src > $ratio_dest) {
$height_crop = $height_src;
$width_crop = (int)($height_crop * $ratio_dest);
$x_crop = ($width_src - $width_crop) / 2;
} else {
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$width_crop = $width_src;
$height_crop = (int)($width_crop / $ratio_dest);
$x_crop = 0;
}
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$image_dest = imagecreatetruecolor($width_dest, $height_dest);
imagecopyresampled($image_dest, $image_src, 0, 0, $x_crop, 0, $width_dest, $height_dest, $width_crop, $height_crop);
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switch ($image_type) {
case IMAGETYPE_JPEG:
imagejpeg($image_dest, INSTALLDIR . '/file/' . 'thumb.' . $filename, 100);
break;
case IMAGETYPE_PNG:
imagepng($image_dest, INSTALLDIR . '/file/thumb.' . $filename);
break;
case IMAGETYPE_GIF:
imagegif($image_dest, INSTALLDIR . '/file/thumb.' . $filename);
break;
}
imagedestroy($image_src);
imagedestroy($image_dest);
return true;
}
}