library/smarty/libs/sysplugins/smarty_template_cached.php
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<?php
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/**
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 * Created by PhpStorm.
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 * User: Uwe Tews
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 * Date: 04.12.2014
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 * Time: 06:08
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 */
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/**
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 * Smarty Resource Data Object
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 * Cache Data Container for Template Files
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 *
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 * @package    Smarty
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 * @subpackage TemplateResources
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 * @author     Rodney Rehm
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 */
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class Smarty_Template_Cached {
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    /**
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     * Source Filepath
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     *
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     * @var string
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     */
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    public $filepath = false;
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    /**
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     * Source Content
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     *
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     * @var string
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     */
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    public $content = null;
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    /**
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     * Source Timestamp
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     *
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     * @var integer
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     */
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    public $timestamp = false;
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    /**
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     * Source Existence
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     *
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     * @var boolean
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     */
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    public $exists = false;
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    /**
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     * Cache Is Valid
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     *
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     * @var boolean
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     */
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    public $valid = null;
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    /**
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     * Cache was processed
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     *
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     * @var boolean
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     */
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    public $processed = false;
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    /**
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     * CacheResource Handler
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     *
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     * @var Smarty_CacheResource
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     */
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    public $handler = null;
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    /**
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     * Template Compile Id (Smarty_Internal_Template::$compile_id)
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     *
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     * @var string
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     */
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    public $compile_id = null;
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    /**
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     * Template Cache Id (Smarty_Internal_Template::$cache_id)
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     *
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     * @var string
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     */
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    public $cache_id = null;
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    /**
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     * Id for cache locking
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     *
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     * @var string
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     */
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    public $lock_id = null;
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    /**
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     * flag that cache is locked by this instance
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     *
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     * @var bool
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     */
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    public $is_locked = false;
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    /**
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     * Source Object
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     *
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     * @var Smarty_Template_Source
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     */
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    public $source = null;
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    /**
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     * create Cached Object container
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     *
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     * @param Smarty_Internal_Template $_template template object
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     */
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    public function __construct(Smarty_Internal_Template $_template) {
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        $this->compile_id = $_template->compile_id;
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        $this->cache_id = $_template->cache_id;
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        if (!isset($_template->source)) {
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            $_template->loadSource();
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        }
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        $this->source = $_template->source;
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        if (!class_exists('Smarty_CacheResource', false)) {
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            require SMARTY_SYSPLUGINS_DIR . 'smarty_cacheresource.php';
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        }
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        $this->handler = Smarty_CacheResource::load($_template->smarty);
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    }
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    /**
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     * @param Smarty_Internal_Template $_template
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     *
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     * @return Smarty_Template_Cached
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     */
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    static function load(Smarty_Internal_Template $_template) {
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        $_template->cached = $cached = new Smarty_Template_Cached($_template);
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        $cached->handler->populate($cached, $_template);
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        // caching enabled ?
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        if (!($_template->caching == Smarty::CACHING_LIFETIME_CURRENT || $_template->caching == Smarty::CACHING_LIFETIME_SAVED) || $_template->source->recompiled) {
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            $cached->valid = false;
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        }
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        return $cached;
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    }
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    /**
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     * Check if cache is valid, lock cache if required
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     *
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     * @param \Smarty_Internal_Template $_template
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     *
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     * @return bool flag true if cache is valid
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     */
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    public function isCached(Smarty_Internal_Template $_template) {
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        if ($this->valid !== null) {
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parents:
diff changeset
   144
            return $this->valid;
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   145
        }
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   146
        while (true) {
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   147
            while (true) {
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   148
                if ($this->exists === false || $_template->smarty->force_compile || $_template->smarty->force_cache) {
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   149
                    $this->valid = false;
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   150
                } else {
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   151
                    $this->valid = true;
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   152
                }
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   153
                if ($this->valid && $_template->caching == Smarty::CACHING_LIFETIME_CURRENT && $_template->cache_lifetime >= 0 && time() > ($this->timestamp + $_template->cache_lifetime)) {
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   154
                    // lifetime expired
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   155
                    $this->valid = false;
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   156
                }
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   157
                if ($this->valid && $_template->source->timestamp > $this->timestamp) {
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   158
                    $this->valid = false;
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   159
                }
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   160
                if ($this->valid || !$_template->smarty->cache_locking) {
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   161
                    break;
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   162
                }
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   163
                if (!$this->handler->locked($_template->smarty, $this)) {
4869aea77e21 Bröker-Framework BFW-1
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parents:
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   164
                    $this->handler->acquireLock($_template->smarty, $this);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
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   165
                    break 2;
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   166
                }
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   167
                $this->handler->populate($this, $_template);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   168
            }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   169
            if ($this->valid) {
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   170
                if (!$_template->smarty->cache_locking || $this->handler->locked($_template->smarty, $this) === null) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   171
                    // load cache file for the following checks
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   172
                    if ($_template->smarty->debugging) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   173
                        Smarty_Internal_Debug::start_cache($_template);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   174
                    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   175
                    if ($this->handler->process($_template, $this) === false) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   176
                        $this->valid = false;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   177
                    } else {
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   178
                        $this->processed = true;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   179
                    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   180
                    if ($_template->smarty->debugging) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   181
                        Smarty_Internal_Debug::end_cache($_template);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   182
                    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   183
                } else {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   184
                    $this->is_locked = true;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   185
                    continue;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   186
                }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   187
            } else {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   188
                return $this->valid;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   189
            }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   190
            if ($this->valid && $_template->caching === Smarty::CACHING_LIFETIME_SAVED && $_template->properties['cache_lifetime'] >= 0 && (time() > ($_template->cached->timestamp + $_template->properties['cache_lifetime']))) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   191
                $this->valid = false;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   192
            }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   193
            if ($_template->smarty->cache_locking) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   194
                if (!$this->valid) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   195
                    $this->handler->acquireLock($_template->smarty, $this);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   196
                } elseif ($this->is_locked) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   197
                    $this->handler->releaseLock($_template->smarty, $this);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   198
                }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   199
            }
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   200
            return $this->valid;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   201
        }
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   202
        return $this->valid;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   203
    }
4869aea77e21 Bröker-Framework BFW-1
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parents:
diff changeset
   204
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   205
    /**
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   206
     * Process cached template
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   207
     *
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
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   208
     * @param Smarty_Internal_Template $_template template object
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   209
     */
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   210
    public function process(Smarty_Internal_Template $_template) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   211
        if ($this->handler->process($_template, $this) === false) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   212
            $this->valid = false;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   213
        }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   214
        if ($this->valid) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   215
            $this->processed = true;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   216
        } else {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   217
            $this->processed = false;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   218
        }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   219
    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   220
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   221
    /**
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   222
     * Render cached template
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   223
     *
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   224
     * @param Smarty_Internal_Template $_template
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   225
     *
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   226
     * @return string
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   227
     * @throws Exception
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   228
     */
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   229
    public function render(Smarty_Internal_Template $_template) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   230
        if (!$this->processed) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   231
            $this->process($_template);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   232
        }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   233
        return $_template->getRenderedTemplateCode();
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   234
    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   235
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   236
    /**
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   237
     * Write this cache object to handler
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   238
     *
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   239
     * @param Smarty_Internal_Template $_template template object
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   240
     * @param string $content content to cache
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   241
     *
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   242
     * @return boolean success
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   243
     */
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   244
    public function write(Smarty_Internal_Template $_template, $content) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   245
        if (!$_template->source->recompiled) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   246
            if ($this->handler->writeCachedContent($_template, $content)) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   247
                $this->content = null;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   248
                $this->timestamp = time();
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   249
                $this->exists = true;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   250
                $this->valid = true;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   251
                $this->processed = false;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   252
                if ($_template->smarty->cache_locking) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   253
                    $this->handler->releaseLock($_template->smarty, $this);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   254
                }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   255
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   256
                return true;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   257
            }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   258
            $this->content = null;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   259
            $this->timestamp = false;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   260
            $this->exists = false;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   261
            $this->valid = false;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   262
            $this->processed = false;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   263
        }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   264
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   265
        return false;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   266
    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   267
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   268
    /**
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   269
     * Read cache content from handler
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   270
     *
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   271
     * @param Smarty_Internal_Template $_template template object
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   272
     *
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   273
     * @return string content
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   274
     */
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   275
    public function read(Smarty_Internal_Template $_template) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   276
        if (!$_template->source->recompiled) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   277
            return $this->handler->readCachedContent($_template);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   278
        }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   279
        return false;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   280
    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   281
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   282
    /**
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   283
     * Sanitize content and write it to cache resource
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   284
     *
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   285
     * @param Smarty_Internal_Template $_template
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   286
     * @param string $content
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   287
     * @param bool $no_output_filter
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   288
     *
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   289
     * @throws SmartyException
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   290
     */
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   291
    public function updateCache(Smarty_Internal_Template $_template, $content, $no_output_filter) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   292
        $_template->properties['has_nocache_code'] = false;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   293
        // get text between non-cached items
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   294
        $cache_split = preg_split("!/\*%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*\/(.+?)/\*/%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*/!s", $content);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   295
        // get non-cached items
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   296
        preg_match_all("!/\*%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*\/(.+?)/\*/%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*/!s", $content, $cache_parts);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   297
        $output = '';
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   298
        // loop over items, stitch back together
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   299
        foreach ($cache_split as $curr_idx => $curr_split) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   300
            // escape PHP tags in template content
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   301
            $output .= preg_replace('/(<%|%>|<\?php|<\?|\?>|<script\s+language\s*=\s*[\"\']?\s*php\s*[\"\']?\s*>)/', "<?php echo '\$1'; ?>\n", $curr_split);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   302
            if (isset($cache_parts[0][$curr_idx])) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   303
                $_template->properties['has_nocache_code'] = true;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   304
                $output .= $cache_parts[1][$curr_idx];
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   305
            }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   306
        }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   307
        if (!$no_output_filter && !$_template->has_nocache_code && (isset($_template->smarty->autoload_filters['output']) || isset($_template->smarty->registered_filters['output']))) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   308
            $output = Smarty_Internal_Filter_Handler::runFilter('output', $output, $_template);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   309
        }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   310
        // write cache file content
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   311
        $this->writeCachedContent($_template, $output);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   312
    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   313
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   314
    /**
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   315
     * Writes the content to cache resource
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   316
     *
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   317
     * @param Smarty_Internal_Template $_template
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   318
     * @param string $content
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   319
     *
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   320
     * @return bool
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   321
     */
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   322
    public function writeCachedContent(Smarty_Internal_Template $_template, $content) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   323
        if ($_template->source->recompiled || !($_template->caching == Smarty::CACHING_LIFETIME_CURRENT || $_template->caching == Smarty::CACHING_LIFETIME_SAVED)) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   324
            // don't write cache file
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   325
            return false;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   326
        }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   327
        $_template->properties['cache_lifetime'] = $_template->cache_lifetime;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   328
        $_template->properties['unifunc'] = 'content_' . str_replace(array('.', ','), '_', uniqid('', true));
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   329
        $content = Smarty_Internal_Extension_CodeFrame::create($_template, $content, true);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   330
        if (!empty($_template->properties['tpl_function'])) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   331
            foreach ($_template->properties['tpl_function'] as $funcParam) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   332
                if (is_file($funcParam['compiled_filepath'])) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   333
                    // read compiled file
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   334
                    $code = file_get_contents($funcParam['compiled_filepath']);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   335
                    // grab template function
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   336
                    if (preg_match("/\/\* {$funcParam['call_name']} \*\/([\S\s]*?)\/\*\/ {$funcParam['call_name']} \*\//", $code, $match)) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   337
                        unset($code);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   338
                        $content .= "<?php " . $match[0] . "?>\n";
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   339
                    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   340
                }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   341
            }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   342
        }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   343
        return $this->write($_template, $content);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   344
    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   345
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   346
    /**
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   347
     * check client side cache
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   348
     *
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   349
     * @param Smarty_Internal_Template $_template
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   350
     * @param  string $content
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   351
     */
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   352
    public function cacheModifiedCheck(Smarty_Internal_Template $_template, $content) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   353
        $_isCached = $_template->isCached() && !$_template->has_nocache_code;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   354
        $_last_modified_date = @substr($_SERVER['HTTP_IF_MODIFIED_SINCE'], 0, strpos($_SERVER['HTTP_IF_MODIFIED_SINCE'], 'GMT') + 3);
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   355
        if ($_isCached && $this->timestamp <= strtotime($_last_modified_date)) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   356
            switch (PHP_SAPI) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   357
                case 'cgi': // php-cgi < 5.3
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   358
                case 'cgi-fcgi': // php-cgi >= 5.3
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   359
                case 'fpm-fcgi': // php-fpm >= 5.3.3
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   360
                    header('Status: 304 Not Modified');
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   361
                    break;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   362
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   363
                case 'cli':
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   364
                    if ( /* ^phpunit */
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   365
                    !empty($_SERVER['SMARTY_PHPUNIT_DISABLE_HEADERS']) /* phpunit$ */
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   366
                    ) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   367
                        $_SERVER['SMARTY_PHPUNIT_HEADERS'][] = '304 Not Modified';
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   368
                    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   369
                    break;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   370
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   371
                default:
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   372
                    header($_SERVER['SERVER_PROTOCOL'] . ' 304 Not Modified');
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   373
                    break;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   374
            }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   375
        } else {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   376
            switch (PHP_SAPI) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   377
                case 'cli':
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   378
                    if ( /* ^phpunit */
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   379
                    !empty($_SERVER['SMARTY_PHPUNIT_DISABLE_HEADERS']) /* phpunit$ */
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   380
                    ) {
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   381
                        $_SERVER['SMARTY_PHPUNIT_HEADERS'][] = 'Last-Modified: ' . gmdate('D, d M Y H:i:s', $this->timestamp) . ' GMT';
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   382
                    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   383
                    break;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   384
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   385
                default:
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   386
                    header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $this->timestamp) . ' GMT');
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   387
                    break;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   388
            }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   389
            echo $content;
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   390
        }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   391
    }
4869aea77e21 Bröker-Framework BFW-1
Markus Bröker <broeker.markus@googlemail.com>
parents:
diff changeset
   392
}