<?php /** * @copyright Copyright (C) 2020, Friendica * * @license GNU AGPL version 3 or any later version * * 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 <https://www.gnu.org/licenses/>. * */ use Friendica\DI; use Friendica\Util\Strings; require_once 'view/theme/frio/theme.php'; require_once 'view/theme/frio/php/PHPColors/Color.php'; $scheme = ''; $schemecss = ''; $schemecssfile = false; $scheme_modified = 0; DI::config()->load('frio'); // Default to hard-coded values for empty settings $scheme = DI::config()->get('frio', 'scheme', DI::config()->get('frio', 'schema')); $scheme_accent = DI::config()->get('frio', 'scheme_accent') ?: FRIO_SCHEME_ACCENT_BLUE; $nav_bg = DI::config()->get('frio', 'nav_bg') ?: '#708fa0'; $nav_icon_color = DI::config()->get('frio', 'nav_icon_color') ?: '#ffffff'; $link_color = DI::config()->get('frio', 'link_color') ?: '#6fdbe8'; $background_color = DI::config()->get('frio', 'background_color') ?: '#ededed'; $contentbg_transp = DI::config()->get('frio', 'contentbg_transp') ?? 100; $background_image = DI::config()->get('frio', 'background_image') ?: 'img/none.png'; $bg_image_option = DI::config()->get('frio', 'bg_image_option') ?: ''; $login_bg_image = DI::config()->get('frio', 'login_bg_image') ?: ''; $login_bg_color = DI::config()->get('frio', 'login_bg_color') ?: ''; $modified = DI::config()->get('frio', 'css_modified') ?: time(); if (!$login_bg_image && !$login_bg_color) { $login_bg_image = 'img/login_bg.jpg'; } $login_bg_color = $login_bg_color ?: '#ededed'; // Get the UID of the profile owner. $uid = $_REQUEST['puid'] ?? 0; if ($uid) { DI::pConfig()->load($uid, 'frio'); // Only override display settings that have actually been set $scheme = DI::pConfig()->get($uid, 'frio', 'scheme', DI::pConfig()->get($uid, 'frio', 'schema')) ?: $scheme; $scheme_accent = DI::pConfig()->get($uid, 'frio', 'scheme_accent') ?: $scheme_accent; $nav_bg = DI::pConfig()->get($uid, 'frio', 'nav_bg') ?: $nav_bg; $nav_icon_color = DI::pConfig()->get($uid, 'frio', 'nav_icon_color') ?: $nav_icon_color; $link_color = DI::pConfig()->get($uid, 'frio', 'link_color') ?: $link_color; $background_color = DI::pConfig()->get($uid, 'frio', 'background_color') ?: $background_color; $contentbg_transp = DI::pConfig()->get($uid, 'frio', 'contentbg_transp') ?? $contentbg_transp; $background_image = DI::pConfig()->get($uid, 'frio', 'background_image') ?: $background_image; $bg_image_option = DI::pConfig()->get($uid, 'frio', 'bg_image_option') ?: $bg_image_option; $modified = DI::pConfig()->get($uid, 'frio', 'css_modified') ?: $modified; } // Now load the scheme. If a value is changed above, we'll keep the settings // If not, we'll keep those defined by the scheme // Setting $scheme to '' wasn't working for some reason, so we'll check it's // not --- like the mobile theme does instead. // Allow layouts to over-ride the scheme. if (!empty($_REQUEST['scheme'])) { $scheme = $_REQUEST['scheme']; } $scheme = Strings::sanitizeFilePathItem($scheme); if (($scheme) && ($scheme != '---')) { if (file_exists('view/theme/frio/scheme/' . $scheme . '.php')) { $schemefile = 'view/theme/frio/scheme/' . $scheme . '.php'; require_once $schemefile; } if (file_exists('view/theme/frio/scheme/' . $scheme . '.css')) { $schemecssfile = 'view/theme/frio/scheme/' . $scheme . '.css'; } } // If we haven't got a scheme, load the default. We shouldn't touch this - we // should leave it for admins to define for themselves. // default.php and default.css MUST be symlinks to existing scheme files. if (!$scheme) { if (file_exists('view/theme/frio/scheme/default.php')) { $schemefile = 'view/theme/frio/scheme/default.php'; require_once $schemefile; } if (file_exists('view/theme/frio/scheme/default.css')) { $schemecssfile = 'view/theme/frio/scheme/default.css'; } } $contentbg_transp = ((isset($contentbg_transp) && $contentbg_transp != '') ? $contentbg_transp : 100); // Calculate some colors in dependance of existing colors. // Some colors are calculated to don't have too many selection // fields in the theme settings. if (!isset($menu_background_hover_color)) { $mbhc = new Color($nav_bg); $mcolor = $mbhc->getHex(); if ($mbhc->isLight($mcolor, 75)) { $menu_is = 'light'; $menu_background_hover_color = '#' . $mbhc->darken(5); } else { $menu_is = 'dark'; $menu_background_hover_color = '#' . $mbhc->lighten(5); } } if (!isset($nav_icon_hover_color)) { $nihc = new Color($nav_bg); if ($nihc->isLight()) { $nav_icon_hover_color = '#' . $nihc->darken(10); } else { $nav_icon_hover_color = '#' . $nihc->lighten(20); } } if (!isset($link_hover_color)) { $lhc = new Color($link_color); $lcolor = $lhc->getHex(); if ($lhc->isLight($lcolor, 75)) { $link_hover_color = '#' . $lhc->darken(5); } else { $link_hover_color = '#' . $lhc->lighten(5); } } // Convert $bg_image_options into css. if (!isset($bg_image_option)) { $bg_image_option = null; } switch ($bg_image_option) { case 'stretch': $background_size_img = '100%'; $background_repeat = 'no-repeat'; break; case 'cover': $background_size_img = 'cover'; $background_repeat = 'no-repeat'; break; case 'repeat': $background_size_img = 'auto'; $background_repeat = 'repeat'; break; case 'contain': $background_size_img = 'contain'; $background_repeat = 'repeat'; break; default: $background_size_img = 'auto'; $background_repeat = 'no-repeat'; break; } // Convert transparency level from percentage to opacity value. $contentbg_transp = $contentbg_transp / 100; $options = [ '$nav_bg' => $nav_bg, '$nav_icon_color' => $nav_icon_color, '$nav_icon_hover_color' => $nav_icon_hover_color, '$link_color' => $link_color, '$link_hover_color' => $link_hover_color, '$menu_background_hover_color' => $menu_background_hover_color, '$btn_primary_color' => $nav_icon_color, '$btn_primary_hover_color' => $menu_background_hover_color, '$background_color' => $background_color, '$contentbg_transp' => $contentbg_transp, '$background_image' => $background_image, '$background_size_img' => $background_size_img, '$background_repeat' => $background_repeat, '$login_bg_image' => $login_bg_image, '$login_bg_color' => $login_bg_color, '$font_color_darker' => $font_color_darker ?? '#222', '$font_color' => $font_color ?? '#444', ]; $css_tpl = file_get_contents('view/theme/frio/css/style.css'); // Get the content of the scheme css file and the time of the last file change. if ($schemecssfile) { $css_tpl .= file_get_contents($schemecssfile); $scheme_modified = filemtime($schemecssfile); } // We need to check which is the most recent css data. // We will use this time later to decide if we load the cached or fresh css data. if ($scheme_modified > $modified) { $modified = $scheme_modified; } // Apply the settings to the css template. $css = str_replace(array_keys($options), array_values($options), $css_tpl); $modified = gmdate('r', $modified); $etag = md5($css); // Set a header for caching. header('Cache-Control: public'); header('ETag: "' . $etag . '"'); header('Last-Modified: ' . $modified); // Only send the CSS file if it was changed. /// @todo Check if this works at all (possibly clients are sending only the one or the other header) - compare with mod/photo.php if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && isset($_SERVER['HTTP_IF_NONE_MATCH'])) { $cached_modified = gmdate('r', strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE'])); $cached_etag = str_replace(['"', '-gzip'], ['', ''], stripslashes($_SERVER['HTTP_IF_NONE_MATCH'])); if (($cached_modified == $modified) && ($cached_etag == $etag)) { header('HTTP/1.1 304 Not Modified'); exit(); } } echo $css;