3 * @copyright Copyright (C) 2010-2021, the Friendica project
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
23 use Friendica\Network\HTTPException\NotModifiedException;
24 use Friendica\Util\Strings;
26 require_once 'view/theme/frio/theme.php';
27 require_once 'view/theme/frio/php/PHPColors/Color.php';
31 $schemecssfile = false;
34 DI::config()->load('frio');
36 // Default to hard-coded values for empty settings
37 $scheme = DI::config()->get('frio', 'scheme', DI::config()->get('frio', 'schema'));
38 $scheme_accent = DI::config()->get('frio', 'scheme_accent') ?: FRIO_SCHEME_ACCENT_BLUE;
39 $nav_bg = DI::config()->get('frio', 'nav_bg') ?: '#708fa0';
40 $nav_icon_color = DI::config()->get('frio', 'nav_icon_color') ?: '#ffffff';
41 $link_color = DI::config()->get('frio', 'link_color') ?: '#6fdbe8';
42 $background_color = DI::config()->get('frio', 'background_color') ?: '#ededed';
43 $contentbg_transp = DI::config()->get('frio', 'contentbg_transp') ?? 100;
44 $background_image = DI::config()->get('frio', 'background_image') ?: 'img/none.png';
45 $bg_image_option = DI::config()->get('frio', 'bg_image_option') ?: '';
46 $login_bg_image = DI::config()->get('frio', 'login_bg_image') ?: '';
47 $login_bg_color = DI::config()->get('frio', 'login_bg_color') ?: '';
48 $modified = DI::config()->get('frio', 'css_modified') ?: time();
50 if (!$login_bg_image && !$login_bg_color) {
51 $login_bg_image = 'img/login_bg.jpg';
53 $login_bg_color = $login_bg_color ?: '#ededed';
55 // Get the UID of the profile owner.
56 $uid = $_REQUEST['puid'] ?? 0;
58 DI::pConfig()->load($uid, 'frio');
60 // Only override display settings that have actually been set
61 $scheme = DI::pConfig()->get($uid, 'frio', 'scheme', DI::pConfig()->get($uid, 'frio', 'schema')) ?: $scheme;
62 $scheme_accent = DI::pConfig()->get($uid, 'frio', 'scheme_accent') ?: $scheme_accent;
63 $nav_bg = DI::pConfig()->get($uid, 'frio', 'nav_bg') ?: $nav_bg;
64 $nav_icon_color = DI::pConfig()->get($uid, 'frio', 'nav_icon_color') ?: $nav_icon_color;
65 $link_color = DI::pConfig()->get($uid, 'frio', 'link_color') ?: $link_color;
66 $background_color = DI::pConfig()->get($uid, 'frio', 'background_color') ?: $background_color;
67 $contentbg_transp = DI::pConfig()->get($uid, 'frio', 'contentbg_transp') ?? $contentbg_transp;
68 $background_image = DI::pConfig()->get($uid, 'frio', 'background_image') ?: $background_image;
69 $bg_image_option = DI::pConfig()->get($uid, 'frio', 'bg_image_option') ?: $bg_image_option;
70 $modified = DI::pConfig()->get($uid, 'frio', 'css_modified') ?: $modified;
73 // Now load the scheme. If a value is changed above, we'll keep the settings
74 // If not, we'll keep those defined by the scheme
75 // Setting $scheme to '' wasn't working for some reason, so we'll check it's
76 // not --- like the mobile theme does instead.
77 // Allow layouts to over-ride the scheme.
78 if (!empty($_REQUEST['scheme'])) {
79 $scheme = $_REQUEST['scheme'];
82 $scheme = Strings::sanitizeFilePathItem($scheme);
84 if (($scheme) && ($scheme != '---')) {
85 if (file_exists('view/theme/frio/scheme/' . $scheme . '.php')) {
86 $schemefile = 'view/theme/frio/scheme/' . $scheme . '.php';
87 require_once $schemefile;
89 if (file_exists('view/theme/frio/scheme/' . $scheme . '.css')) {
90 $schemecssfile = 'view/theme/frio/scheme/' . $scheme . '.css';
94 // If we haven't got a scheme, load the default. We shouldn't touch this - we
95 // should leave it for admins to define for themselves.
96 // default.php and default.css MUST be symlinks to existing scheme files.
98 if (file_exists('view/theme/frio/scheme/default.php')) {
99 $schemefile = 'view/theme/frio/scheme/default.php';
100 require_once $schemefile;
102 if (file_exists('view/theme/frio/scheme/default.css')) {
103 $schemecssfile = 'view/theme/frio/scheme/default.css';
107 $contentbg_transp = ((isset($contentbg_transp) && $contentbg_transp != '') ? $contentbg_transp : 100);
109 // Calculate some colors in dependance of existing colors.
110 // Some colors are calculated to don't have too many selection
111 // fields in the theme settings.
112 if (!isset($menu_background_hover_color)) {
113 $mbhc = new Color($nav_bg);
114 $mcolor = $mbhc->getHex();
116 if ($mbhc->isLight($mcolor, 75)) {
118 $menu_background_hover_color = '#' . $mbhc->darken(5);
121 $menu_background_hover_color = '#' . $mbhc->lighten(5);
124 if (!isset($nav_icon_hover_color)) {
125 $nihc = new Color($nav_bg);
127 if ($nihc->isLight()) {
128 $nav_icon_hover_color = '#' . $nihc->darken(10);
130 $nav_icon_hover_color = '#' . $nihc->lighten(20);
133 if (!isset($link_hover_color)) {
134 $lhc = new Color($link_color);
135 $lcolor = $lhc->getHex();
137 if ($lhc->isLight($lcolor, 75)) {
138 $link_hover_color = '#' . $lhc->darken(5);
140 $link_hover_color = '#' . $lhc->lighten(5);
144 // Convert $bg_image_options into css.
145 if (!isset($bg_image_option)) {
146 $bg_image_option = null;
149 switch ($bg_image_option) {
151 $background_size_img = '100%';
152 $background_repeat = 'no-repeat';
155 $background_size_img = 'cover';
156 $background_repeat = 'no-repeat';
159 $background_size_img = 'auto';
160 $background_repeat = 'repeat';
163 $background_size_img = 'contain';
164 $background_repeat = 'repeat';
168 $background_size_img = 'auto';
169 $background_repeat = 'no-repeat';
173 // Convert transparency level from percentage to opacity value.
174 $contentbg_transp = $contentbg_transp / 100;
177 '$nav_bg' => $nav_bg,
178 '$nav_icon_color' => $nav_icon_color,
179 '$nav_icon_hover_color' => $nav_icon_hover_color,
180 '$link_color' => $link_color,
181 '$link_hover_color' => $link_hover_color,
182 '$menu_background_hover_color' => $menu_background_hover_color,
183 '$btn_primary_color' => $nav_icon_color,
184 '$btn_primary_hover_color' => $menu_background_hover_color,
185 '$background_color' => $background_color,
186 '$contentbg_transp' => $contentbg_transp,
187 '$background_image' => $background_image,
188 '$background_size_img' => $background_size_img,
189 '$background_repeat' => $background_repeat,
190 '$login_bg_image' => $login_bg_image,
191 '$login_bg_color' => $login_bg_color,
192 '$font_color_darker' => $font_color_darker ?? '#222',
193 '$font_color' => $font_color ?? '#444',
196 $css_tpl = file_get_contents('view/theme/frio/css/style.css');
198 // Get the content of the scheme css file and the time of the last file change.
199 if ($schemecssfile) {
200 $css_tpl .= file_get_contents($schemecssfile);
201 $scheme_modified = filemtime($schemecssfile);
204 // We need to check which is the most recent css data.
205 // We will use this time later to decide if we load the cached or fresh css data.
206 if ($scheme_modified > $modified) {
207 $modified = $scheme_modified;
209 // Apply the settings to the css template.
210 $css = str_replace(array_keys($options), array_values($options), $css_tpl);
212 $modified = gmdate('r', $modified);
216 // Set a header for caching.
217 header('Cache-Control: public');
218 header('ETag: "' . $etag . '"');
219 header('Last-Modified: ' . $modified);
221 // Only send the CSS file if it was changed.
222 /// @todo Check if this works at all (possibly clients are sending only the one or the other header) - compare with mod/photo.php
223 if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && isset($_SERVER['HTTP_IF_NONE_MATCH'])) {
224 $cached_modified = gmdate('r', strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']));
225 $cached_etag = str_replace(['"', '-gzip'], ['', ''],
226 stripslashes($_SERVER['HTTP_IF_NONE_MATCH']));
228 if (($cached_modified == $modified) && ($cached_etag == $etag)) {
229 throw new NotModifiedException();