X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FRender%2FFriendicaSmartyEngine.php;h=6fc8f4480676eb892583c7f113968ff2bd4fc243;hb=80a533ddab9ee4ec7b715ff2dc92e1e464ccd85d;hp=2cfce760adc2cba53c6e62950638f61097e5208c;hpb=e805350ce465b9ff311698767f4bfab4a0080916;p=friendica.git

diff --git a/src/Render/FriendicaSmartyEngine.php b/src/Render/FriendicaSmartyEngine.php
index 2cfce760ad..6fc8f44806 100644
--- a/src/Render/FriendicaSmartyEngine.php
+++ b/src/Render/FriendicaSmartyEngine.php
@@ -1,59 +1,127 @@
-<?php
-/**
- * @file src/Render/FriendicaSmartyEngine.php
- */
-namespace Friendica\Render;
-
-use Friendica\Core\Addon;
-
-class FriendicaSmartyEngine implements ITemplateEngine
-{
-	static $name = "smarty3";
-
-	public function __construct()
-	{
-		if (!is_writable('view/smarty3/')) {
-			echo "<b>ERROR:</b> folder <tt>view/smarty3/</tt> must be writable by webserver.";
-			killme();
-		}
-	}
-
-	// ITemplateEngine interface
-	public function replaceMacros($s, $r)
-	{
-		$template = '';
-		if (gettype($s) === 'string') {
-			$template = $s;
-			$s = new FriendicaSmarty();
-		}
-
-		$r['$APP'] = get_app();
-
-		// "middleware": inject variables into templates
-		$arr = [
-			"template" => basename($s->filename),
-			"vars" => $r
-		];
-		Addon::callHooks("template_vars", $arr);
-		$r = $arr['vars'];
-
-		foreach ($r as $key => $value) {
-			if ($key[0] === '$') {
-				$key = substr($key, 1);
-			}
-
-			$s->assign($key, $value);
-		}
-		return $s->parsed($template);
-	}
-
-	public function getTemplateFile($file, $root = '')
-	{
-		$a = get_app();
-		$template_file = get_template_file($a, SMARTY3_TEMPLATE_FOLDER . '/' . $file, $root);
-		$template = new FriendicaSmarty();
-		$template->filename = $template_file;
-
-		return $template;
-	}
-}
+<?php
+/**
+ * @copyright Copyright (C) 2010-2022, the Friendica project
+ *
+ * @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/>.
+ *
+ */
+
+namespace Friendica\Render;
+
+use Friendica\Core\Hook;
+use Friendica\DI;
+use Friendica\Network\HTTPException\ServiceUnavailableException;
+use Friendica\Util\Strings;
+
+/**
+ * Smarty implementation of the Friendica template abstraction
+ */
+final class FriendicaSmartyEngine extends TemplateEngine
+{
+	static $name = "smarty3";
+
+	const FILE_PREFIX = 'file:';
+	const STRING_PREFIX = 'string:';
+
+	/** @var FriendicaSmarty */
+	private $smarty;
+
+	/**
+	 * @inheritDoc
+	 */
+	public function __construct(string $theme, array $theme_info)
+	{
+		$this->theme = $theme;
+		$this->theme_info = $theme_info;
+		$this->smarty = new FriendicaSmarty($this->theme, $this->theme_info);
+
+		if (!is_writable(DI::basePath() . '/view/smarty3')) {
+			$admin_message = DI::l10n()->t('The folder view/smarty3/ must be writable by webserver.');
+			DI::logger()->critical($admin_message);
+			$message = DI::app()->isSiteAdmin() ?
+				$admin_message :
+				DI::l10n()->t('Friendica can\'t display this page at the moment, please contact the administrator.');
+			throw new ServiceUnavailableException($message);
+		}
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function testInstall(array &$errors = null)
+	{
+		$this->smarty->testInstall($errors);
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function replaceMacros(string $template, array $vars)
+	{
+		if (!Strings::startsWith($template, self::FILE_PREFIX)) {
+			$template = self::STRING_PREFIX . $template;
+		}
+
+		// "middleware": inject variables into templates
+		$arr = [
+			'template' => basename($this->smarty->filename),
+			'vars' => $vars
+		];
+		Hook::callAll('template_vars', $arr);
+		$vars = $arr['vars'];
+
+		$this->smarty->clearAllAssign();
+
+		foreach ($vars as $key => $value) {
+			if ($key[0] === '$') {
+				$key = substr($key, 1);
+			}
+
+			$this->smarty->assign($key, $value);
+		}
+
+		return $this->smarty->fetch($template);
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function getTemplateFile(string $file, string $subDir = '')
+	{
+		// Make sure $root ends with a slash /
+		if ($subDir !== '' && substr($subDir, -1, 1) !== '/') {
+			$subDir = $subDir . '/';
+		}
+
+		$root = DI::basePath() . '/' . $subDir;
+
+		$filename = $this->smarty::SMARTY3_TEMPLATE_FOLDER . '/' . $file;
+
+		if (file_exists("{$root}view/theme/$this->theme/$filename")) {
+			$template_file = "{$root}view/theme/$this->theme/$filename";
+		} elseif (!empty($this->theme_info['extends']) && file_exists(sprintf('%sview/theme/%s}/%s', $root, $this->theme_info['extends'], $filename))) {
+			$template_file = sprintf('%sview/theme/%s}/%s', $root, $this->theme_info['extends'], $filename);
+		} elseif (file_exists("{$root}/$filename")) {
+			$template_file = "{$root}/$filename";
+		} else {
+			$template_file = "{$root}view/$filename";
+		}
+
+		$this->smarty->filename = $template_file;
+
+		return self::FILE_PREFIX . $template_file;
+	}
+}