library/smarty/libs/sysplugins/smarty_template_cached.php
changeset 46 f11c31f7fa3e
parent 45 a56e7f9a0463
child 47 03388ec805b4
deleted file mode 100644
--- a/library/smarty/libs/sysplugins/smarty_template_cached.php
+++ /dev/null
@@ -1,392 +0,0 @@
-<?php
-/**
- * Created by PhpStorm.
- * User: Uwe Tews
- * Date: 04.12.2014
- * Time: 06:08
- */
-
-/**
- * Smarty Resource Data Object
- * Cache Data Container for Template Files
- *
- * @package    Smarty
- * @subpackage TemplateResources
- * @author     Rodney Rehm
- */
-class Smarty_Template_Cached {
-    /**
-     * Source Filepath
-     *
-     * @var string
-     */
-    public $filepath = false;
-
-    /**
-     * Source Content
-     *
-     * @var string
-     */
-    public $content = null;
-
-    /**
-     * Source Timestamp
-     *
-     * @var integer
-     */
-    public $timestamp = false;
-
-    /**
-     * Source Existence
-     *
-     * @var boolean
-     */
-    public $exists = false;
-
-    /**
-     * Cache Is Valid
-     *
-     * @var boolean
-     */
-    public $valid = null;
-
-    /**
-     * Cache was processed
-     *
-     * @var boolean
-     */
-    public $processed = false;
-
-    /**
-     * CacheResource Handler
-     *
-     * @var Smarty_CacheResource
-     */
-    public $handler = null;
-
-    /**
-     * Template Compile Id (Smarty_Internal_Template::$compile_id)
-     *
-     * @var string
-     */
-    public $compile_id = null;
-
-    /**
-     * Template Cache Id (Smarty_Internal_Template::$cache_id)
-     *
-     * @var string
-     */
-    public $cache_id = null;
-
-    /**
-     * Id for cache locking
-     *
-     * @var string
-     */
-    public $lock_id = null;
-
-    /**
-     * flag that cache is locked by this instance
-     *
-     * @var bool
-     */
-    public $is_locked = false;
-
-    /**
-     * Source Object
-     *
-     * @var Smarty_Template_Source
-     */
-    public $source = null;
-
-    /**
-     * create Cached Object container
-     *
-     * @param Smarty_Internal_Template $_template template object
-     */
-    public function __construct(Smarty_Internal_Template $_template) {
-        $this->compile_id = $_template->compile_id;
-        $this->cache_id = $_template->cache_id;
-        if (!isset($_template->source)) {
-            $_template->loadSource();
-        }
-        $this->source = $_template->source;
-        if (!class_exists('Smarty_CacheResource', false)) {
-            require SMARTY_SYSPLUGINS_DIR . 'smarty_cacheresource.php';
-        }
-        $this->handler = Smarty_CacheResource::load($_template->smarty);
-    }
-
-    /**
-     * @param Smarty_Internal_Template $_template
-     *
-     * @return Smarty_Template_Cached
-     */
-    static function load(Smarty_Internal_Template $_template) {
-        $_template->cached = $cached = new Smarty_Template_Cached($_template);
-        $cached->handler->populate($cached, $_template);
-        // caching enabled ?
-        if (!($_template->caching == Smarty::CACHING_LIFETIME_CURRENT || $_template->caching == Smarty::CACHING_LIFETIME_SAVED) || $_template->source->recompiled) {
-            $cached->valid = false;
-        }
-        return $cached;
-    }
-
-    /**
-     * Check if cache is valid, lock cache if required
-     *
-     * @param \Smarty_Internal_Template $_template
-     *
-     * @return bool flag true if cache is valid
-     */
-    public function isCached(Smarty_Internal_Template $_template) {
-        if ($this->valid !== null) {
-            return $this->valid;
-        }
-        while (true) {
-            while (true) {
-                if ($this->exists === false || $_template->smarty->force_compile || $_template->smarty->force_cache) {
-                    $this->valid = false;
-                } else {
-                    $this->valid = true;
-                }
-                if ($this->valid && $_template->caching == Smarty::CACHING_LIFETIME_CURRENT && $_template->cache_lifetime >= 0 && time() > ($this->timestamp + $_template->cache_lifetime)) {
-                    // lifetime expired
-                    $this->valid = false;
-                }
-                if ($this->valid && $_template->source->timestamp > $this->timestamp) {
-                    $this->valid = false;
-                }
-                if ($this->valid || !$_template->smarty->cache_locking) {
-                    break;
-                }
-                if (!$this->handler->locked($_template->smarty, $this)) {
-                    $this->handler->acquireLock($_template->smarty, $this);
-                    break 2;
-                }
-                $this->handler->populate($this, $_template);
-            }
-            if ($this->valid) {
-                if (!$_template->smarty->cache_locking || $this->handler->locked($_template->smarty, $this) === null) {
-                    // load cache file for the following checks
-                    if ($_template->smarty->debugging) {
-                        Smarty_Internal_Debug::start_cache($_template);
-                    }
-                    if ($this->handler->process($_template, $this) === false) {
-                        $this->valid = false;
-                    } else {
-                        $this->processed = true;
-                    }
-                    if ($_template->smarty->debugging) {
-                        Smarty_Internal_Debug::end_cache($_template);
-                    }
-                } else {
-                    $this->is_locked = true;
-                    continue;
-                }
-            } else {
-                return $this->valid;
-            }
-            if ($this->valid && $_template->caching === Smarty::CACHING_LIFETIME_SAVED && $_template->properties['cache_lifetime'] >= 0 && (time() > ($_template->cached->timestamp + $_template->properties['cache_lifetime']))) {
-                $this->valid = false;
-            }
-            if ($_template->smarty->cache_locking) {
-                if (!$this->valid) {
-                    $this->handler->acquireLock($_template->smarty, $this);
-                } elseif ($this->is_locked) {
-                    $this->handler->releaseLock($_template->smarty, $this);
-                }
-            }
-            return $this->valid;
-        }
-        return $this->valid;
-    }
-
-    /**
-     * Process cached template
-     *
-     * @param Smarty_Internal_Template $_template template object
-     */
-    public function process(Smarty_Internal_Template $_template) {
-        if ($this->handler->process($_template, $this) === false) {
-            $this->valid = false;
-        }
-        if ($this->valid) {
-            $this->processed = true;
-        } else {
-            $this->processed = false;
-        }
-    }
-
-    /**
-     * Render cached template
-     *
-     * @param Smarty_Internal_Template $_template
-     *
-     * @return string
-     * @throws Exception
-     */
-    public function render(Smarty_Internal_Template $_template) {
-        if (!$this->processed) {
-            $this->process($_template);
-        }
-        return $_template->getRenderedTemplateCode();
-    }
-
-    /**
-     * Write this cache object to handler
-     *
-     * @param Smarty_Internal_Template $_template template object
-     * @param string $content content to cache
-     *
-     * @return boolean success
-     */
-    public function write(Smarty_Internal_Template $_template, $content) {
-        if (!$_template->source->recompiled) {
-            if ($this->handler->writeCachedContent($_template, $content)) {
-                $this->content = null;
-                $this->timestamp = time();
-                $this->exists = true;
-                $this->valid = true;
-                $this->processed = false;
-                if ($_template->smarty->cache_locking) {
-                    $this->handler->releaseLock($_template->smarty, $this);
-                }
-
-                return true;
-            }
-            $this->content = null;
-            $this->timestamp = false;
-            $this->exists = false;
-            $this->valid = false;
-            $this->processed = false;
-        }
-
-        return false;
-    }
-
-    /**
-     * Read cache content from handler
-     *
-     * @param Smarty_Internal_Template $_template template object
-     *
-     * @return string content
-     */
-    public function read(Smarty_Internal_Template $_template) {
-        if (!$_template->source->recompiled) {
-            return $this->handler->readCachedContent($_template);
-        }
-        return false;
-    }
-
-    /**
-     * Sanitize content and write it to cache resource
-     *
-     * @param Smarty_Internal_Template $_template
-     * @param string $content
-     * @param bool $no_output_filter
-     *
-     * @throws SmartyException
-     */
-    public function updateCache(Smarty_Internal_Template $_template, $content, $no_output_filter) {
-        $_template->properties['has_nocache_code'] = false;
-        // get text between non-cached items
-        $cache_split = preg_split("!/\*%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*\/(.+?)/\*/%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*/!s", $content);
-        // get non-cached items
-        preg_match_all("!/\*%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*\/(.+?)/\*/%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*/!s", $content, $cache_parts);
-        $output = '';
-        // loop over items, stitch back together
-        foreach ($cache_split as $curr_idx => $curr_split) {
-            // escape PHP tags in template content
-            $output .= preg_replace('/(<%|%>|<\?php|<\?|\?>|<script\s+language\s*=\s*[\"\']?\s*php\s*[\"\']?\s*>)/', "<?php echo '\$1'; ?>\n", $curr_split);
-            if (isset($cache_parts[0][$curr_idx])) {
-                $_template->properties['has_nocache_code'] = true;
-                $output .= $cache_parts[1][$curr_idx];
-            }
-        }
-        if (!$no_output_filter && !$_template->has_nocache_code && (isset($_template->smarty->autoload_filters['output']) || isset($_template->smarty->registered_filters['output']))) {
-            $output = Smarty_Internal_Filter_Handler::runFilter('output', $output, $_template);
-        }
-        // write cache file content
-        $this->writeCachedContent($_template, $output);
-    }
-
-    /**
-     * 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->recompiled || !($_template->caching == Smarty::CACHING_LIFETIME_CURRENT || $_template->caching == Smarty::CACHING_LIFETIME_SAVED)) {
-            // don't write cache file
-            return false;
-        }
-        $_template->properties['cache_lifetime'] = $_template->cache_lifetime;
-        $_template->properties['unifunc'] = 'content_' . str_replace(array('.', ','), '_', uniqid('', true));
-        $content = Smarty_Internal_Extension_CodeFrame::create($_template, $content, true);
-        if (!empty($_template->properties['tpl_function'])) {
-            foreach ($_template->properties['tpl_function'] as $funcParam) {
-                if (is_file($funcParam['compiled_filepath'])) {
-                    // read compiled file
-                    $code = file_get_contents($funcParam['compiled_filepath']);
-                    // grab template function
-                    if (preg_match("/\/\* {$funcParam['call_name']} \*\/([\S\s]*?)\/\*\/ {$funcParam['call_name']} \*\//", $code, $match)) {
-                        unset($code);
-                        $content .= "<?php " . $match[0] . "?>\n";
-                    }
-                }
-            }
-        }
-        return $this->write($_template, $content);
-    }
-
-    /**
-     * check client side cache
-     *
-     * @param Smarty_Internal_Template $_template
-     * @param  string $content
-     */
-    public function cacheModifiedCheck(Smarty_Internal_Template $_template, $content) {
-        $_isCached = $_template->isCached() && !$_template->has_nocache_code;
-        $_last_modified_date = @substr($_SERVER['HTTP_IF_MODIFIED_SINCE'], 0, strpos($_SERVER['HTTP_IF_MODIFIED_SINCE'], 'GMT') + 3);
-        if ($_isCached && $this->timestamp <= strtotime($_last_modified_date)) {
-            switch (PHP_SAPI) {
-                case 'cgi': // php-cgi < 5.3
-                case 'cgi-fcgi': // php-cgi >= 5.3
-                case 'fpm-fcgi': // php-fpm >= 5.3.3
-                    header('Status: 304 Not Modified');
-                    break;
-
-                case 'cli':
-                    if ( /* ^phpunit */
-                    !empty($_SERVER['SMARTY_PHPUNIT_DISABLE_HEADERS']) /* phpunit$ */
-                    ) {
-                        $_SERVER['SMARTY_PHPUNIT_HEADERS'][] = '304 Not Modified';
-                    }
-                    break;
-
-                default:
-                    header($_SERVER['SERVER_PROTOCOL'] . ' 304 Not Modified');
-                    break;
-            }
-        } else {
-            switch (PHP_SAPI) {
-                case 'cli':
-                    if ( /* ^phpunit */
-                    !empty($_SERVER['SMARTY_PHPUNIT_DISABLE_HEADERS']) /* phpunit$ */
-                    ) {
-                        $_SERVER['SMARTY_PHPUNIT_HEADERS'][] = 'Last-Modified: ' . gmdate('D, d M Y H:i:s', $this->timestamp) . ' GMT';
-                    }
-                    break;
-
-                default:
-                    header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $this->timestamp) . ' GMT');
-                    break;
-            }
-            echo $content;
-        }
-    }
-}