Updating Smarty

1 files changed, 183 insertions, 0 deletions

diff --git a/lib/smarty/sysplugins/smarty_internal_runtime_updatecache.php b/lib/smarty/sysplugins/smarty_internal_runtime_updatecache.php
new file mode 100644
index 0000000..c1abbb3
--- /dev/null
+++ b/lib/smarty/sysplugins/smarty_internal_runtime_updatecache.php
@@ -0,0 +1,183 @@
+<?php
+
+/**
+ * Inline Runtime Methods render, setSourceByUid, setupSubTemplate
+ *
+ * @package    Smarty
+ * @subpackage PluginsInternal
+ * @author     Uwe Tews
+ **/
+class Smarty_Internal_Runtime_UpdateCache
+{
+    /**
+     * check client side cache
+     *
+     * @param \Smarty_Template_Cached  $cached
+     * @param Smarty_Internal_Template $_template
+     * @param string                   $content
+     */
+    public function cacheModifiedCheck(Smarty_Template_Cached $cached, Smarty_Internal_Template $_template, $content)
+    {
+    }
+
+    /**
+     * Cache was invalid , so render from compiled and write to cache
+     *
+     * @param \Smarty_Template_Cached   $cached
+     * @param \Smarty_Internal_Template $_template
+     * @param                           $no_output_filter
+     *
+     * @throws \Exception
+     */
+    public function updateCache(Smarty_Template_Cached $cached, Smarty_Internal_Template $_template, $no_output_filter)
+    {
+        ob_start();
+        if (!isset($_template->compiled)) {
+            $_template->loadCompiled();
+        }
+        $_template->compiled->render($_template);
+        if ($_template->smarty->debugging) {
+            $_template->smarty->_debug->start_cache($_template);
+        }
+        $this->removeNoCacheHash($cached, $_template, $no_output_filter);
+        $compile_check = (int)$_template->compile_check;
+        $_template->compile_check = Smarty::COMPILECHECK_OFF;
+        if ($_template->_isSubTpl()) {
+            $_template->compiled->unifunc = $_template->parent->compiled->unifunc;
+        }
+        if (!$_template->cached->processed) {
+            $_template->cached->process($_template, true);
+        }
+        $_template->compile_check = $compile_check;
+        $cached->getRenderedTemplateCode($_template);
+        if ($_template->smarty->debugging) {
+            $_template->smarty->_debug->end_cache($_template);
+        }
+    }
+
+    /**
+     * Sanitize content and write it to cache resource
+     *
+     * @param \Smarty_Template_Cached  $cached
+     * @param Smarty_Internal_Template $_template
+     * @param bool                     $no_output_filter
+     *
+     * @throws \SmartyException
+     */
+    public function removeNoCacheHash(
+        Smarty_Template_Cached $cached,
+        Smarty_Internal_Template $_template,
+        $no_output_filter
+    ) {
+        $php_pattern = '/(<%|%>|<\?php|<\?|\?>|<script\s+language\s*=\s*[\"\']?\s*php\s*[\"\']?\s*>)/';
+        $content = ob_get_clean();
+        $hash_array = $cached->hashes;
+        $hash_array[ $_template->compiled->nocache_hash ] = true;
+        $hash_array = array_keys($hash_array);
+        $nocache_hash = '(' . implode('|', $hash_array) . ')';
+        $_template->cached->has_nocache_code = false;
+        // get text between non-cached items
+        $cache_split =
+            preg_split(
+                "!/\*%%SmartyNocache:{$nocache_hash}%%\*\/(.+?)/\*/%%SmartyNocache:{$nocache_hash}%%\*/!s",
+                $content
+            );
+        // get non-cached items
+        preg_match_all(
+            "!/\*%%SmartyNocache:{$nocache_hash}%%\*\/(.+?)/\*/%%SmartyNocache:{$nocache_hash}%%\*/!s",
+            $content,
+            $cache_parts
+        );
+        $content = '';
+        // loop over items, stitch back together
+        foreach ($cache_split as $curr_idx => $curr_split) {
+            if (preg_match($php_pattern, $curr_split)) {
+                // escape PHP tags in template content
+                $php_split = preg_split(
+                    $php_pattern,
+                    $curr_split
+                );
+                preg_match_all(
+                    $php_pattern,
+                    $curr_split,
+                    $php_parts
+                );
+                foreach ($php_split as $idx_php => $curr_php) {
+                    $content .= $curr_php;
+                    if (isset($php_parts[ 0 ][ $idx_php ])) {
+                        $content .= "<?php echo '{$php_parts[ 1 ][ $idx_php ]}'; ?>\n";
+                    }
+                }
+            } else {
+                $content .= $curr_split;
+            }
+            if (isset($cache_parts[ 0 ][ $curr_idx ])) {
+                $_template->cached->has_nocache_code = true;
+                $content .= $cache_parts[ 2 ][ $curr_idx ];
+            }
+        }
+        if (!$no_output_filter && !$_template->cached->has_nocache_code
+            && (isset($_template->smarty->autoload_filters[ 'output' ])
+                || isset($_template->smarty->registered_filters[ 'output' ]))
+        ) {
+            $content = $_template->smarty->ext->_filterHandler->runFilter('output', $content, $_template);
+        }
+        // write cache file content
+        $this->writeCachedContent($_template, $content);
+    }
+
+    /**
+     * Writes the content to cache resource
+     *
+     * @param Smarty_Internal_Template $_template
+     * @param string                   $content
+     *
+     * @return bool
+     */
+    public function writeCachedContent(Smarty_Internal_Template $_template, $content)
+    {
+        if ($_template->source->handler->recompiled || !$_template->caching
+        ) {
+            // don't write cache file
+            return false;
+        }
+        if (!isset($_template->cached)) {
+            $_template->loadCached();
+        }
+        $content = $_template->smarty->ext->_codeFrame->create($_template, $content, '', true);
+        return $this->write($_template, $content);
+    }
+
+    /**
+     * Write this cache object to handler
+     *
+     * @param Smarty_Internal_Template $_template template object
+     * @param string                   $content   content to cache
+     *
+     * @return bool success
+     */
+    public function write(Smarty_Internal_Template $_template, $content)
+    {
+        if (!$_template->source->handler->recompiled) {
+            $cached = $_template->cached;
+            if ($cached->handler->writeCachedContent($_template, $content)) {
+                $cached->content = null;
+                $cached->timestamp = time();
+                $cached->exists = true;
+                $cached->valid = true;
+                $cached->cache_lifetime = $_template->cache_lifetime;
+                $cached->processed = false;
+                if ($_template->smarty->cache_locking) {
+                    $cached->handler->releaseLock($_template->smarty, $cached);
+                }
+                return true;
+            }
+            $cached->content = null;
+            $cached->timestamp = false;
+            $cached->exists = false;
+            $cached->valid = false;
+            $cached->processed = false;
+        }
+        return false;
+    }
+}