1: <?php
  2: 
  3: /**
  4:  * Smarty Internal Plugin Resource PHP
  5:  * Implements the file system as resource for PHP templates
  6:  *
  7:  * @package    Smarty
  8:  * @subpackage TemplateResources
  9:  * @author     Uwe Tews
 10:  * @author     Rodney Rehm
 11:  */
 12: class Smarty_Internal_Resource_PHP extends Smarty_Resource_Uncompiled
 13: {
 14:     /**
 15:      * container for short_open_tag directive's value before executing PHP templates
 16:      *
 17:      * @var string
 18:      */
 19:     protected $short_open_tag;
 20: 
 21:     /**
 22:      * Create a new PHP Resource
 23: 
 24:      */
 25:     public function __construct()
 26:     {
 27:         $this->short_open_tag = ini_get('short_open_tag');
 28:     }
 29: 
 30:     /**
 31:      * populate Source Object with meta data from Resource
 32:      *
 33:      * @param  Smarty_Template_Source   $source    source object
 34:      * @param  Smarty_Internal_Template $_template template object
 35:      *
 36:      * @return void
 37:      */
 38:     public function populate(Smarty_Template_Source $source, Smarty_Internal_Template $_template = null)
 39:     {
 40:         $source->filepath = $this->buildFilepath($source, $_template);
 41: 
 42:         if ($source->filepath !== false) {
 43:             if (is_object($source->smarty->security_policy)) {
 44:                 $source->smarty->security_policy->isTrustedResourceDir($source->filepath);
 45:             }
 46: 
 47:             $source->uid = sha1($source->filepath);
 48:             if ($source->smarty->compile_check) {
 49:                 $source->timestamp = @filemtime($source->filepath);
 50:                 $source->exists = !!$source->timestamp;
 51:             }
 52:         }
 53:     }
 54: 
 55:     /**
 56:      * populate Source Object with timestamp and exists from Resource
 57:      *
 58:      * @param  Smarty_Template_Source $source source object
 59:      *
 60:      * @return void
 61:      */
 62:     public function populateTimestamp(Smarty_Template_Source $source)
 63:     {
 64:         $source->timestamp = @filemtime($source->filepath);
 65:         $source->exists = !!$source->timestamp;
 66:     }
 67: 
 68:     /**
 69:      * Load template's source from file into current template object
 70:      *
 71:      * @param  Smarty_Template_Source $source source object
 72:      *
 73:      * @return string                 template source
 74:      * @throws SmartyException        if source cannot be loaded
 75:      */
 76:     public function getContent(Smarty_Template_Source $source)
 77:     {
 78:         if ($source->timestamp) {
 79:             return '';
 80:         }
 81:         throw new SmartyException("Unable to read template {$source->type} '{$source->name}'");
 82:     }
 83: 
 84:     /**
 85:      * Render and output the template (without using the compiler)
 86:      *
 87:      * @param  Smarty_Template_Source   $source    source object
 88:      * @param  Smarty_Internal_Template $_template template object
 89:      *
 90:      * @return void
 91:      * @throws SmartyException          if template cannot be loaded or allow_php_templates is disabled
 92:      */
 93:     public function renderUncompiled(Smarty_Template_Source $source, Smarty_Internal_Template $_template)
 94:     {
 95:         if (!$source->smarty->allow_php_templates) {
 96:             throw new SmartyException("PHP templates are disabled");
 97:         }
 98:         if (!$source->exists) {
 99:             if ($_template->parent instanceof Smarty_Internal_Template) {
100:                 $parent_resource = " in '{$_template->parent->template_resource}'";
101:             } else {
102:                 $parent_resource = '';
103:             }
104:             throw new SmartyException("Unable to load template {$source->type} '{$source->name}'{$parent_resource}");
105:         }
106: 
107:         // prepare variables
108:         extract($_template->getTemplateVars());
109: 
110:         // include PHP template with short open tags enabled
111:         ini_set('short_open_tag', '1');
112:         /** @var Smarty_Internal_Template $_smarty_template
113:          * used in included file
114:          */
115:         $_smarty_template = $_template;
116:         include($source->filepath);
117:         ini_set('short_open_tag', $this->short_open_tag);
118:     }
119: }
120: