eliseuamaro/gnu-social
1
0
Fork 0
forked from GNUsocial/gnu-social
Code Issues Pull Requests Releases Wiki Activity

[OverwriteThemeBackground] This new plugin will let the admin set a custom background theme independent

Browse Source
This commit is contained in:
Diogo Cordeiro
2019-08-19 15:35:52 +01:00
parent 92ab5e18ee
commit 1e378a514d
8 changed files with 706 additions and 157 deletions
Download Patch File Download Diff File Expand all files Collapse all files

155
plugins/OverwriteThemeBackground/actions/overwritethemebackgroundcss.php Normal file
View File

@@ -0,0 +1,155 @@
<?php
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social 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.
//
// GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
/**
* Action with the CSS preferences
*
* @category Plugin
* @package GNUsocial
* @author Diogo Cordeiro <diogo@fc.up.pt>
* @copyright 2019 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
defined('GNUSOCIAL') || die();
/**
* Route with CSS that will come after theme's css in order to overwrite it with sysadmin's custom background preferences
*
* @copyright 2019 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
class overwritethemebackgroundcssAction extends Action
{
protected $needLogin = false;
protected $canPost = false;
// Eventual custom background sysadmin may have set
private $_theme_background_url = false;
private $_background_colour = false;
private $_background_colour_important = false;
/**
* Fills _theme_background_url if possible.
*
* @param array $args $_REQUEST array
* @return bool true
* @throws ClientException
*/
protected function prepare(array $args = []): bool
{
parent::prepare($args);
if (GNUsocial::isHTTPS()) {
$background_url = common_config('overwritethemebackground', 'sslbackground-image');
if (empty($background_url)) {
// if background is an uploaded file, try to fall back to HTTPS file URL
$http_url = common_config('overwritethemebackground', 'background-image');
if (!empty($http_url)) {
try {
$f = File::getByUrl($http_url);
if (!empty($f->filename)) {
// this will handle the HTTPS case
$background_url = File::url($f->filename);
}
} catch (NoResultException $e) {
// no match
}
}
}
} else {
$background_url = common_config('overwritethemebackground', 'background-image');
}
$this->_background_colour = common_config('overwritethemebackground', 'background-color');
if (empty($background_url)) {
if (!empty($this->_background_colour)) {
$this->_background_colour_important = true; // We want the colour to override theme's default background
return true;
}
/*if (file_exists(Theme::file('images/bg.png'))) {
// This should handle the HTTPS case internally
$background_url = Theme::path('images/bg.png');
}
if (!empty($background_url)) {
$this->_theme_background_url = $background_url;
}*/
} else {
$this->_theme_background_url = $background_url;
}
return true;
}
/**
* Is this action read-only?
*
* @param array $args other arguments dummy
* @return bool true
*/
public function isReadOnly($args): bool
{
return true;
}
/**
* Print the CSS
*/
public function handle(): void
{
$background_position_options = [
'initial',
'left top',
'left center',
'left bottom',
'right top',
'right center',
'right bottom',
'center top',
'center center',
'center bottom'
];
header("Content-type: text/css", true);
$background_color = $this->_background_colour;
$background_image = $this->_theme_background_url;
$background_repeat = ['repeat', 'repeat-x', 'repeat-y', 'no-repeat'][common_config('overwritethemebackground', 'background-repeat')];
$background_position = $background_position_options[common_config('overwritethemebackground', 'background-position')];
$background_attachment = ['scroll', 'fixed'][common_config('overwritethemebackground', 'background-attachment')];
$css = 'body {';
if ($background_color) {
if (!$this->_background_colour_important) {
$css .= 'background-color: ' . $background_color . ';';
} else {
$css .= 'background: ' . $background_color . ' !important;';
}
}
if ($background_image) {
$css .= 'background-image: url(' . $background_image . ');';
}
if ($background_repeat) {
$css .= 'background-repeat: ' . $background_repeat . ';';
}
if ($background_position) {
$css .= 'background-position: ' . $background_position . ';';
}
if ($background_attachment) {
$css .= 'background-attachment: ' . $background_attachment . ';';
}
$css .= '}';
echo $css;
}
}