/[cvs]/nfo/php/libs/net.php.smarty/Smarty.class.php
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Annotation of /nfo/php/libs/net.php.smarty/Smarty.class.php

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Revision 1.2 - (hide annotations)
Thu Dec 19 16:40:20 2002 UTC (21 years, 6 months ago) by joko
Branch: MAIN
Changes since 1.1: +41 -16 lines
+ updated to version 2.3.1

1 cvsjoko 1.1 <?php
2     /*
3     * Project: Smarty: the PHP compiling template engine
4     * File: Smarty.class.php
5     * Author: Monte Ohrt <monte@ispi.net>
6     * Andrei Zmievski <andrei@php.net>
7     *
8 joko 1.2 * Version: 2.3.1
9 cvsjoko 1.1 * Copyright: 2001,2002 ispi of Lincoln, Inc.
10     *
11     * This library is free software; you can redistribute it and/or
12     * modify it under the terms of the GNU Lesser General Public
13     * License as published by the Free Software Foundation; either
14     * version 2.1 of the License, or (at your option) any later version.
15     *
16     * This library is distributed in the hope that it will be useful,
17     * but WITHOUT ANY WARRANTY; without even the implied warranty of
18     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19     * Lesser General Public License for more details.
20     *
21     * You should have received a copy of the GNU Lesser General Public
22     * License along with this library; if not, write to the Free Software
23     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24     *
25     * For questions, help, comments, discussion, etc., please join the
26     * Smarty mailing list. Send a blank e-mail to
27     * smarty-general-subscribe@lists.php.net
28     *
29     * You may contact the authors of Smarty by e-mail at:
30     * monte@ispi.net
31     * andrei@php.net
32     *
33     * Or, write to:
34     * Monte Ohrt
35     * Director of Technology, ispi
36     * 237 S. 70th suite 220
37     * Lincoln, NE 68510
38     *
39     * The latest version of Smarty can be obtained from:
40     * http://www.phpinsider.com/
41     *
42     */
43    
44     // set SMARTY_DIR to absolute path to Smarty library files.
45     // if not defined, include_path will be used.
46    
47     define('DIR_SEP', DIRECTORY_SEPARATOR);
48    
49     if (!defined('SMARTY_DIR')) {
50     define('SMARTY_DIR', dirname(__FILE__) . DIR_SEP);
51     }
52    
53     define('SMARTY_PHP_PASSTHRU', 0);
54     define('SMARTY_PHP_QUOTE', 1);
55     define('SMARTY_PHP_REMOVE', 2);
56     define('SMARTY_PHP_ALLOW', 3);
57    
58     class Smarty
59     {
60    
61     /**************************************************************************/
62     /* BEGIN SMARTY CONFIGURATION SECTION */
63     /* Set the following config variables to your liking. */
64     /**************************************************************************/
65    
66     // public vars
67     var $template_dir = 'templates'; // name of directory for templates
68     var $compile_dir = 'templates_c'; // name of directory for compiled templates
69     var $config_dir = 'configs'; // directory where config files are located
70     var $plugins_dir = array('plugins'); // plugin directories
71    
72     var $debugging = false; // enable debugging console true/false
73     var $debug_tpl = ''; // path to debug console template
74     // (this gets set in the constructor)
75     var $debugging_ctrl = 'NONE'; // Possible values:
76     // NONE - no debug control allowed
77     // URL - enable debugging when keyword
78     // SMARTY_DEBUG is found in $QUERY_STRING
79    
80     var $global_assign = array( 'HTTP_SERVER_VARS' => array( 'SCRIPT_NAME' )
81     ); // variables from the GLOBALS array
82     // that are implicitly assigned
83     // to all templates
84     var $undefined = null; // undefined variables in $global_assign will be
85     // created with this value
86     var $autoload_filters = array(); // indicates which filters will be auto-loaded
87    
88     var $compile_check = true; // whether to check for compiling step or not:
89     // This is generally set to false once the
90     // application is entered into production and
91     // initially compiled. Leave set to true
92     // during development. true/false default true.
93    
94     var $force_compile = false; // force templates to compile every time,
95     // overrides cache settings. default false.
96    
97     var $caching = 0; // enable caching. can be one of 0/1/2.
98     // 0 = no caching
99     // 1 = use class cache_lifetime value
100     // 2 = use cache_lifetime in cache file
101     // default = 0.
102     var $cache_dir = 'cache'; // name of directory for template cache files
103     var $cache_lifetime = 3600; // number of seconds cached content will persist.
104     // 0 = always regenerate cache,
105     // -1 = never expires. default is one hour (3600)
106     var $cache_handler_func = null; // function used for cached content. this is
107     // an alternative to using the built-in file
108     // based caching.
109     var $cache_modified_check = false; // respect If-Modified-Since headers on cached content
110    
111    
112     var $default_template_handler_func = ''; // function to handle missing templates
113    
114     var $php_handling = SMARTY_PHP_PASSTHRU;
115     // how smarty handles php tags in the templates
116     // possible values:
117     // SMARTY_PHP_PASSTHRU -> echo tags as is
118     // SMARTY_PHP_QUOTE -> escape tags as entities
119     // SMARTY_PHP_REMOVE -> remove php tags
120     // SMARTY_PHP_ALLOW -> execute php tags
121     // default: SMARTY_PHP_PASSTHRU
122    
123    
124     var $security = false; // enable template security (default false)
125     var $secure_dir = array('templates'); // array of directories considered secure
126     var $security_settings = array(
127     'PHP_HANDLING' => false,
128     'IF_FUNCS' => array('array', 'list',
129     'isset', 'empty',
130     'count', 'sizeof',
131     'in_array', 'is_array'),
132     'INCLUDE_ANY' => false,
133     'PHP_TAGS' => false,
134     'MODIFIER_FUNCS' => array('count')
135     );
136     var $trusted_dir = array(); // directories where trusted templates & php scripts
137     // reside ($security is disabled during their
138     // inclusion/execution).
139    
140     var $left_delimiter = '{'; // template tag delimiters.
141     var $right_delimiter = '}';
142    
143     var $compiler_class = 'Smarty_Compiler'; // the compiler class used by
144     // Smarty to compile templates
145    
146     var $request_vars_order = "EGPCS"; // the order in which request variables are
147     // registered, similar to variables_order
148     // in php.ini
149    
150     var $compile_id = null; // persistent compile identifier
151     var $use_sub_dirs = true; // use sub dirs for cache and compiled files?
152     // sub directories are more efficient, but
153     // you can set this to false if your PHP environment
154     // does not allow the creation of them.
155     var $default_modifiers = array();
156     // modifiers to implicitly append to every var
157     // example: array('escape:"htmlall"');
158    
159     /**************************************************************************/
160     /* END SMARTY CONFIGURATION SECTION */
161     /* There should be no need to touch anything below this line. */
162     /**************************************************************************/
163    
164     // internal vars
165     var $_error_msg = false; // error messages. true/false
166     var $_tpl_vars = array(); // where assigned template vars are kept
167     var $_smarty_vars = null; // stores run-time $smarty.* vars
168     var $_sections = array(); // keeps track of sections
169     var $_foreach = array(); // keeps track of foreach blocks
170     var $_tag_stack = array(); // keeps track of tag hierarchy
171     var $_conf_obj = null; // configuration object
172     var $_config = array(); // loaded configuration settings
173     var $_smarty_md5 = 'f8d698aea36fcbead2b9d5359ffca76f'; // md5 checksum of the string 'Smarty'
174 joko 1.2 var $_version = '2.3.1'; // Smarty version number
175 cvsjoko 1.1 var $_extract = false; // flag for custom functions
176     var $_inclusion_depth = 0; // current template inclusion depth
177     var $_compile_id = null; // for different compiled templates
178     var $_smarty_debug_id = 'SMARTY_DEBUG'; // text in URL to enable debug mode
179     var $_smarty_debug_info = array(); // debugging information for debug console
180     var $_cache_info = array(); // info that makes up a cache file
181     var $_plugins = array( // table keeping track of plugins
182     'modifier' => array(),
183     'function' => array(),
184     'block' => array(),
185     'compiler' => array(),
186     'prefilter' => array(),
187     'postfilter' => array(),
188     'outputfilter' => array(),
189     'resource' => array(),
190     'insert' => array());
191    
192    
193     /*======================================================================*\
194     Function: Smarty
195     Purpose: Constructor
196     \*======================================================================*/
197     function Smarty()
198     {
199     foreach ($this->global_assign as $key => $var_name) {
200     if (is_array($var_name)) {
201     foreach ($var_name as $var) {
202     if (isset($GLOBALS[$key][$var])) {
203     $this->assign($var, $GLOBALS[$key][$var]);
204     } else {
205     $this->assign($var, $this->undefined);
206     }
207     }
208     } else {
209     if (isset($GLOBALS[$var_name])) {
210     $this->assign($var_name, $GLOBALS[$var_name]);
211     } else {
212     $this->assign($var_name, $this->undefined);
213     }
214     }
215     }
216    
217     if(empty($this->debug_tpl)) {
218     // set path to debug template from SMARTY_DIR
219     $this->debug_tpl = 'file:'.SMARTY_DIR.'debug.tpl';
220     }
221     }
222    
223    
224     /*======================================================================*\
225     Function: assign()
226     Purpose: assigns values to template variables
227     \*======================================================================*/
228     function assign($tpl_var, $value = NULL)
229     {
230     if (is_array($tpl_var)){
231     foreach ($tpl_var as $key => $val) {
232     if ($key != '' && isset($val)) {
233     $this->_tpl_vars[$key] = $val;
234     }
235     }
236     } else {
237     if ($tpl_var != '' && isset($value))
238     $this->_tpl_vars[$tpl_var] = $value;
239     }
240     $this->_extract = true;
241     }
242    
243     /*======================================================================*\
244     Function: assign_by_ref()
245     Purpose: assigns values to template variables by reference
246     \*======================================================================*/
247     function assign_by_ref($tpl_var, &$value)
248     {
249     if ($tpl_var != '' && isset($value))
250     $this->_tpl_vars[$tpl_var] = &$value;
251     $this->_extract = true;
252     }
253    
254     /*======================================================================*\
255     Function: append
256     Purpose: appends values to template variables
257     \*======================================================================*/
258     function append($tpl_var, $value = NULL)
259     {
260     if (is_array($tpl_var)) {
261     foreach ($tpl_var as $key => $val) {
262     if ($key != '') {
263     if(!@is_array($this->_tpl_vars[$key])) {
264     settype($this->_tpl_vars[$key],'array');
265     }
266     $this->_tpl_vars[$key][] = $val;
267     }
268     }
269     } else {
270     if ($tpl_var != '' && isset($value)) {
271     if(!@is_array($this->_tpl_vars[$tpl_var])) {
272     settype($this->_tpl_vars[$tpl_var],'array');
273     }
274     $this->_tpl_vars[$tpl_var][] = $value;
275     }
276     }
277     $this->_extract = true;
278     }
279    
280     /*======================================================================*\
281     Function: append_by_ref
282     Purpose: appends values to template variables by reference
283     \*======================================================================*/
284     function append_by_ref($tpl_var, &$value)
285     {
286     if ($tpl_var != '' && isset($value)) {
287     if(!@is_array($this->_tpl_vars[$tpl_var])) {
288     settype($this->_tpl_vars[$tpl_var],'array');
289     }
290     $this->_tpl_vars[$tpl_var][] = &$value;
291     }
292     $this->_extract = true;
293     }
294    
295    
296     /*======================================================================*\
297     Function: clear_assign()
298     Purpose: clear the given assigned template variable.
299     \*======================================================================*/
300     function clear_assign($tpl_var)
301     {
302     if (is_array($tpl_var))
303     foreach ($tpl_var as $curr_var)
304     unset($this->_tpl_vars[$curr_var]);
305     else
306     unset($this->_tpl_vars[$tpl_var]);
307     }
308    
309    
310     /*======================================================================*\
311     Function: register_function
312     Purpose: Registers custom function to be used in templates
313     \*======================================================================*/
314     function register_function($function, $function_impl)
315     {
316     $this->_plugins['function'][$function] =
317     array($function_impl, null, null, false);
318     }
319    
320     /*======================================================================*\
321     Function: unregister_function
322     Purpose: Unregisters custom function
323     \*======================================================================*/
324     function unregister_function($function)
325     {
326     unset($this->_plugins['function'][$function]);
327     }
328    
329     /*======================================================================*\
330     Function: register_block
331     Purpose: Registers block function to be used in templates
332     \*======================================================================*/
333     function register_block($block, $block_impl)
334     {
335     $this->_plugins['block'][$block] =
336     array($block_impl, null, null, false);
337     }
338    
339     /*======================================================================*\
340     Function: unregister_block
341     Purpose: Unregisters block function
342     \*======================================================================*/
343     function unregister_block($block)
344     {
345     unset($this->_plugins['block'][$block]);
346     }
347    
348     /*======================================================================*\
349     Function: register_compiler_function
350     Purpose: Registers compiler function
351     \*======================================================================*/
352     function register_compiler_function($function, $function_impl)
353     {
354     $this->_plugins['compiler'][$function] =
355     array($function_impl, null, null, false);
356     }
357    
358     /*======================================================================*\
359     Function: unregister_compiler_function
360     Purpose: Unregisters compiler function
361     \*======================================================================*/
362     function unregister_compiler_function($function)
363     {
364     unset($this->_plugins['compiler'][$function]);
365     }
366    
367     /*======================================================================*\
368     Function: register_modifier
369     Purpose: Registers modifier to be used in templates
370     \*======================================================================*/
371     function register_modifier($modifier, $modifier_impl)
372     {
373     $this->_plugins['modifier'][$modifier] =
374     array($modifier_impl, null, null, false);
375     }
376    
377     /*======================================================================*\
378     Function: unregister_modifier
379     Purpose: Unregisters modifier
380     \*======================================================================*/
381     function unregister_modifier($modifier)
382     {
383     unset($this->_plugins['modifier'][$modifier]);
384     }
385    
386     /*======================================================================*\
387     Function: register_resource
388     Purpose: Registers a resource to fetch a template
389     \*======================================================================*/
390     function register_resource($type, $functions)
391     {
392     $this->_plugins['resource'][$type] =
393     array((array)$functions, false);
394     }
395    
396     /*======================================================================*\
397     Function: unregister_resource
398     Purpose: Unregisters a resource
399     \*======================================================================*/
400     function unregister_resource($type)
401     {
402     unset($this->_plugins['resource'][$type]);
403     }
404    
405     /*======================================================================*\
406     Function: register_prefilter
407     Purpose: Registers a prefilter function to apply
408     to a template before compiling
409     \*======================================================================*/
410     function register_prefilter($function)
411     {
412     $this->_plugins['prefilter'][$function]
413     = array($function, null, null, false);
414     }
415    
416     /*======================================================================*\
417     Function: unregister_prefilter
418     Purpose: Unregisters a prefilter function
419     \*======================================================================*/
420     function unregister_prefilter($function)
421     {
422     unset($this->_plugins['prefilter'][$function]);
423     }
424    
425     /*======================================================================*\
426     Function: register_postfilter
427     Purpose: Registers a postfilter function to apply
428     to a compiled template after compilation
429     \*======================================================================*/
430     function register_postfilter($function)
431     {
432     $this->_plugins['postfilter'][$function]
433     = array($function, null, null, false);
434     }
435    
436     /*======================================================================*\
437     Function: unregister_postfilter
438     Purpose: Unregisters a postfilter function
439     \*======================================================================*/
440     function unregister_postfilter($function)
441     {
442     unset($this->_plugins['postfilter'][$function]);
443     }
444    
445     /*======================================================================*\
446     Function: register_outputfilter
447     Purpose: Registers an output filter function to apply
448     to a template output
449     \*======================================================================*/
450     function register_outputfilter($function)
451     {
452     $this->_plugins['outputfilter'][$function]
453     = array($function, null, null, false);
454     }
455    
456     /*======================================================================*\
457     Function: unregister_outputfilter
458     Purpose: Unregisters an outputfilter function
459     \*======================================================================*/
460     function unregister_outputfilter($function)
461     {
462     unset($this->_plugins['outputfilter'][$function]);
463     }
464    
465     /*======================================================================*\
466     Function: load_filter()
467     Purpose: load a filter of specified type and name
468     \*======================================================================*/
469     function load_filter($type, $name)
470     {
471     switch ($type) {
472     case 'output':
473     $this->_load_plugins(array(array($type . 'filter', $name, null, null, false)));
474     break;
475    
476     case 'pre':
477     case 'post':
478     if (!isset($this->_plugins[$type . 'filter'][$name]))
479     $this->_plugins[$type . 'filter'][$name] = false;
480     break;
481     }
482     }
483    
484     /*======================================================================*\
485     Function: clear_cache()
486     Purpose: clear cached content for the given template and cache id
487     \*======================================================================*/
488     function clear_cache($tpl_file = null, $cache_id = null, $compile_id = null, $exp_time = null)
489     {
490    
491     if (!isset($compile_id))
492     $compile_id = $this->compile_id;
493    
494     if (isset($cache_id))
495     $auto_id = (isset($compile_id)) ? $cache_id . '|' . $compile_id : $cache_id;
496     elseif(isset($compile_id))
497     $auto_id = $compile_id;
498     else
499     $auto_id = null;
500    
501     if (!empty($this->cache_handler_func)) {
502     $funcname = $this->cache_handler_func;
503     return $funcname('clear', $this, $dummy, $tpl_file, $cache_id, $compile_id);
504     } else {
505     return $this->_rm_auto($this->cache_dir, $tpl_file, $auto_id, $exp_time);
506     }
507    
508     }
509    
510    
511     /*======================================================================*\
512     Function: clear_all_cache()
513     Purpose: clear the entire contents of cache (all templates)
514     \*======================================================================*/
515     function clear_all_cache($exp_time = null)
516     {
517     if (!empty($this->cache_handler_func)) {
518     $funcname = $this->cache_handler_func;
519     return $funcname('clear', $this, $dummy);
520     } else {
521     return $this->_rm_auto($this->cache_dir,null,null,$exp_time);
522     }
523     }
524    
525    
526     /*======================================================================*\
527     Function: is_cached()
528     Purpose: test to see if valid cache exists for this template
529     \*======================================================================*/
530     function is_cached($tpl_file, $cache_id = null, $compile_id = null)
531     {
532     if (!$this->caching)
533     return false;
534    
535     if (!isset($compile_id))
536     $compile_id = $this->compile_id;
537    
538     return $this->_read_cache_file($tpl_file, $cache_id, $compile_id, $results);
539     }
540    
541    
542     /*======================================================================*\
543     Function: clear_all_assign()
544     Purpose: clear all the assigned template variables.
545     \*======================================================================*/
546     function clear_all_assign()
547     {
548     $this->_tpl_vars = array();
549     }
550    
551     /*======================================================================*\
552     Function: clear_compiled_tpl()
553     Purpose: clears compiled version of specified template resource,
554     or all compiled template files if one is not specified.
555     This function is for advanced use only, not normally needed.
556     \*======================================================================*/
557     function clear_compiled_tpl($tpl_file = null, $compile_id = null, $exp_time = null)
558     {
559     if (!isset($compile_id))
560     $compile_id = $this->compile_id;
561     return $this->_rm_auto($this->compile_dir, $tpl_file, $compile_id, $exp_time);
562     }
563    
564     /*======================================================================*\
565     Function: template_exists()
566     Purpose: Checks whether requested template exists.
567     \*======================================================================*/
568     function template_exists($tpl_file)
569     {
570     return $this->_fetch_template_info($tpl_file, $source, $timestamp, true, true);
571     }
572    
573     /*======================================================================*\
574     Function: get_template_vars
575     Purpose: Returns an array containing template variables
576     \*======================================================================*/
577     function &get_template_vars()
578     {
579     return $this->_tpl_vars;
580     }
581    
582    
583     /*======================================================================*\
584     Function: trigger_error
585     Purpose: trigger Smarty error
586     \*======================================================================*/
587     function trigger_error($error_msg, $error_type = E_USER_WARNING)
588     {
589     trigger_error("Smarty error: $error_msg", $error_type);
590     }
591    
592    
593     /*======================================================================*\
594     Function: display()
595     Purpose: executes & displays the template results
596     \*======================================================================*/
597     function display($tpl_file, $cache_id = null, $compile_id = null)
598     {
599     $this->fetch($tpl_file, $cache_id, $compile_id, true);
600     }
601    
602     /*======================================================================*\
603     Function: fetch()
604     Purpose: executes & returns or displays the template results
605     \*======================================================================*/
606     function fetch($_smarty_tpl_file, $_smarty_cache_id = null, $_smarty_compile_id = null, $_smarty_display = false)
607     {
608     $_smarty_old_error_level = $this->debugging ? error_reporting() : error_reporting(error_reporting() & ~E_NOTICE);
609    
610     if (!$this->debugging && $this->debugging_ctrl == 'URL'
611     && strstr($GLOBALS['HTTP_SERVER_VARS']['QUERY_STRING'], $this->_smarty_debug_id)) {
612     $this->debugging = true;
613     }
614    
615     if ($this->debugging) {
616     // capture time for debugging info
617     $debug_start_time = $this->_get_microtime();
618     $this->_smarty_debug_info[] = array('type' => 'template',
619     'filename' => $_smarty_tpl_file,
620     'depth' => 0);
621     $included_tpls_idx = count($this->_smarty_debug_info) - 1;
622     }
623    
624     if (!isset($_smarty_compile_id))
625     $_smarty_compile_id = $this->compile_id;
626    
627     $this->_compile_id = $_smarty_compile_id;
628    
629     $this->_inclusion_depth = 0;
630    
631     if ($this->caching) {
632     if ($this->_read_cache_file($_smarty_tpl_file, $_smarty_cache_id, $_smarty_compile_id, $_smarty_results)) {
633     if (@count($this->_cache_info['insert_tags'])) {
634     $this->_load_plugins($this->_cache_info['insert_tags']);
635     $_smarty_results = $this->_process_cached_inserts($_smarty_results);
636     }
637     if ($_smarty_display) {
638     if ($this->debugging)
639     {
640     // capture time for debugging info
641     $this->_smarty_debug_info[$included_tpls_idx]['exec_time'] = $this->_get_microtime() - $debug_start_time;
642    
643     $_smarty_results .= $this->_generate_debug_output();
644     }
645     if ($this->cache_modified_check) {
646     $last_modified_date = substr($GLOBALS['HTTP_SERVER_VARS']['HTTP_IF_MODIFIED_SINCE'], 0, strpos($GLOBALS['HTTP_SERVER_VARS']['HTTP_IF_MODIFIED_SINCE'], 'GMT') + 3);
647     $gmt_mtime = gmdate('D, d M Y H:i:s', $this->_cache_info['timestamp']).' GMT';
648     if (@count($this->_cache_info['insert_tags']) == 0
649     && $gmt_mtime == $last_modified_date) {
650     header("HTTP/1.1 304 Not Modified");
651     } else {
652     header("Last-Modified: ".$gmt_mtime);
653     echo $_smarty_results;
654     }
655     } else {
656     echo $_smarty_results;
657     }
658     error_reporting($_smarty_old_error_level);
659     return true;
660     } else {
661     error_reporting($_smarty_old_error_level);
662     return $_smarty_results;
663     }
664     } else {
665     $this->_cache_info = array();
666     $this->_cache_info['template'][] = $_smarty_tpl_file;
667     }
668     }
669    
670     extract($this->_tpl_vars);
671    
672     /* Initialize config array. */
673     $this->_config = array(array('vars' => array(),
674     'files' => array()));
675    
676     if (count($this->autoload_filters))
677     $this->_autoload_filters();
678    
679     $_smarty_compile_path = $this->_get_compile_path($_smarty_tpl_file);
680    
681     // if we just need to display the results, don't perform output
682     // buffering - for speed
683     if ($_smarty_display && !$this->caching && count($this->_plugins['outputfilter']) == 0) {
684     if ($this->_process_template($_smarty_tpl_file, $_smarty_compile_path))
685     {
686     include($_smarty_compile_path);
687     }
688     } else {
689     ob_start();
690     if ($this->_process_template($_smarty_tpl_file, $_smarty_compile_path))
691     {
692     include($_smarty_compile_path);
693     }
694     $_smarty_results = ob_get_contents();
695     ob_end_clean();
696    
697     foreach ((array)$this->_plugins['outputfilter'] as $output_filter) {
698     $_smarty_results = $output_filter[0]($_smarty_results, $this);
699     }
700     }
701    
702     if ($this->caching) {
703     $this->_write_cache_file($_smarty_tpl_file, $_smarty_cache_id, $_smarty_compile_id, $_smarty_results);
704     $_smarty_results = $this->_process_cached_inserts($_smarty_results);
705     }
706    
707     if ($_smarty_display) {
708     if (isset($_smarty_results)) { echo $_smarty_results; }
709     if ($this->debugging) {
710     // capture time for debugging info
711     $this->_smarty_debug_info[$included_tpls_idx]['exec_time'] = ($this->_get_microtime() - $debug_start_time);
712    
713     echo $this->_generate_debug_output();
714     }
715     error_reporting($_smarty_old_error_level);
716     return;
717     } else {
718     error_reporting($_smarty_old_error_level);
719     if (isset($_smarty_results)) { return $_smarty_results; }
720     }
721     }
722    
723    
724     /*======================================================================*\
725     Function: _assign_smarty_interface
726     Purpose: assign $smarty interface variable
727     \*======================================================================*/
728     function _assign_smarty_interface()
729     {
730     if ($this->_smarty_vars !== null)
731     return;
732    
733     $globals_map = array('g' => 'HTTP_GET_VARS',
734     'p' => 'HTTP_POST_VARS',
735     'c' => 'HTTP_COOKIE_VARS',
736     's' => 'HTTP_SERVER_VARS',
737     'e' => 'HTTP_ENV_VARS');
738    
739     $smarty = array('request' => array());
740    
741     foreach (preg_split('!!', strtolower($this->request_vars_order)) as $c) {
742     if (isset($globals_map[$c])) {
743     $smarty['request'] = array_merge($smarty['request'], $GLOBALS[$globals_map[$c]]);
744     }
745     }
746     $smarty['request'] = @array_merge($smarty['request'], $GLOBALS['HTTP_SESSION_VARS']);
747    
748     $this->_smarty_vars = $smarty;
749     }
750    
751    
752     /*======================================================================*\
753     Function: _generate_debug_output()
754     Purpose: generate debug output
755     \*======================================================================*/
756    
757     function _generate_debug_output() {
758     // we must force compile the debug template in case the environment
759     // changed between separate applications.
760     $_ldelim_orig = $this->left_delimiter;
761     $_rdelim_orig = $this->right_delimiter;
762    
763     $this->left_delimiter = '{';
764     $this->right_delimiter = '}';
765    
766     $_force_compile_orig = $this->force_compile;
767     $this->force_compile = true;
768     $_compile_id_orig = $this->_compile_id;
769     $this->_compile_id = null;
770    
771     $compile_path = $this->_get_compile_path($this->debug_tpl);
772     if ($this->_process_template($this->debug_tpl, $compile_path))
773     {
774     ob_start();
775     include($compile_path);
776     $results = ob_get_contents();
777     ob_end_clean();
778     }
779     $this->force_compile = $_force_compile_orig;
780     $this->_compile_id = $_compile_id_orig;
781    
782     $this->left_delimiter = $_ldelim_orig;
783     $this->right_delimiter = $_rdelim_orig;
784    
785     return $results;
786     }
787    
788     /*======================================================================*\
789     Function: _is_trusted()
790     Purpose: determines if a resource is trusted or not
791     \*======================================================================*/
792     function _is_trusted($resource_type, $resource_name)
793     {
794     $_smarty_trusted = false;
795     if ($resource_type == 'file') {
796     if (!empty($this->trusted_dir)) {
797     // see if template file is within a trusted directory. If so,
798     // disable security during the execution of the template.
799    
800     if (!empty($this->trusted_dir)) {
801     foreach ((array)$this->trusted_dir as $curr_dir) {
802     if (!empty($curr_dir) && is_readable ($curr_dir)) {
803     if (substr(realpath($resource_name),0, strlen(realpath($curr_dir))) == realpath($curr_dir)) {
804     $_smarty_trusted = true;
805     break;
806     }
807     }
808     }
809     }
810     }
811     } else {
812     // resource is not on local file system
813     $resource_func = $this->_plugins['resource'][$resource_type][0][3];
814     $_smarty_trusted = $resource_func($resource_name, $this);
815     }
816    
817     return $_smarty_trusted;
818     }
819    
820     /*======================================================================*\
821     Function: _is_secure()
822     Purpose: determines if a resource is secure or not.
823     \*======================================================================*/
824     function _is_secure($resource_type, $resource_name)
825     {
826     if (!$this->security || $this->security_settings['INCLUDE_ANY']) {
827     return true;
828     }
829    
830     $_smarty_secure = false;
831     if ($resource_type == 'file') {
832     if (!empty($this->secure_dir)) {
833     foreach ((array)$this->secure_dir as $curr_dir) {
834     if ( !empty($curr_dir) && is_readable ($curr_dir)) {
835     if (substr(realpath($resource_name),0, strlen(realpath($curr_dir))) == realpath($curr_dir)) {
836     $_smarty_secure = true;
837     break;
838     }
839     }
840     }
841     }
842     } else {
843     // resource is not on local file system
844     $resource_func = $this->_plugins['resource'][$resource_type][0][2];
845     $_smarty_secure = $resource_func($resource_name, $_smarty_secure, $this);
846     }
847    
848     return $_smarty_secure;
849     }
850    
851    
852     /*======================================================================*\
853     Function: _get_php_resource
854     Purpose: Retrieves PHP script resource
855     \*======================================================================*/
856     function _get_php_resource($resource, &$resource_type, &$php_resource)
857     {
858     $this->_parse_file_path($this->trusted_dir, $resource, $resource_type, $resource_name);
859    
860     /*
861     * Find out if the resource exists.
862     */
863    
864     if ($resource_type == 'file') {
865     $readable = false;
866     if(@is_file($resource_name)) {
867     $readable = true;
868     } else {
869     // test for file in include_path
870     if($this->_get_include_path($resource_name,$_include_path)) {
871     $readable = true;
872     }
873     }
874     } else if ($resource_type != 'file') {
875     $readable = true;
876     $resource_func = $this->_plugins['resource'][$resource_type][0][0];
877     $readable = $resource_func($resource_name, $template_source, $this);
878     }
879    
880     /*
881     * Set the error function, depending on which class calls us.
882     */
883     if (method_exists($this, '_syntax_error')) {
884     $error_func = '_syntax_error';
885     } else {
886     $error_func = 'trigger_error';
887     }
888    
889     if ($readable) {
890     if ($this->security) {
891     if (!$this->_is_trusted($resource_type, $resource_name)) {
892     $this->$error_func("(secure mode) '$resource_type:$resource_name' is not trusted");
893     return false;
894     }
895     }
896     } else {
897     $this->$error_func("'$resource_type: $resource_name' is not readable");
898     return false;
899     }
900    
901     if ($resource_type == 'file') {
902     $php_resource = $resource_name;
903     } else {
904     $php_resource = $template_source;
905     }
906    
907     return true;
908     }
909    
910    
911     /*======================================================================*\
912     Function: _process_template()
913     Purpose:
914     \*======================================================================*/
915     function _process_template($tpl_file, $compile_path)
916     {
917     // test if template needs to be compiled
918     if (!$this->force_compile && file_exists($compile_path)) {
919     if (!$this->compile_check) {
920     // no need to check if the template needs recompiled
921     return true;
922     } else {
923     // get template source and timestamp
924     if (!$this->_fetch_template_info($tpl_file, $template_source,
925     $template_timestamp)) {
926     return false;
927     }
928     if ($template_timestamp <= filemtime($compile_path)) {
929     // template not expired, no recompile
930     return true;
931     } else {
932     // compile template
933     $this->_compile_template($tpl_file, $template_source, $template_compiled);
934 joko 1.2 $this->_write_compiled_template($compile_path, $template_compiled, $template_timestamp);
935 cvsjoko 1.1 return true;
936     }
937     }
938     } else {
939     // compiled template does not exist, or forced compile
940     if (!$this->_fetch_template_info($tpl_file, $template_source,
941     $template_timestamp)) {
942     return false;
943     }
944     $this->_compile_template($tpl_file, $template_source, $template_compiled);
945 joko 1.2 $this->_write_compiled_template($compile_path, $template_compiled, $template_timestamp);
946 cvsjoko 1.1 return true;
947     }
948     }
949    
950     /*======================================================================*\
951     Function: _get_compile_path
952     Purpose: Get the compile path for this template file
953     \*======================================================================*/
954     function _get_compile_path($tpl_file)
955     {
956     return $this->_get_auto_filename($this->compile_dir, $tpl_file,
957     $this->_compile_id);
958     }
959    
960     /*======================================================================*\
961     Function: _write_compiled_template
962     Purpose:
963     \*======================================================================*/
964 joko 1.2 function _write_compiled_template($compile_path, $template_compiled, $template_timestamp)
965 cvsjoko 1.1 {
966     // we save everything into $compile_dir
967     $this->_write_file($compile_path, $template_compiled, true);
968 joko 1.2 touch($compile_path, $template_timestamp);
969 cvsjoko 1.1 return true;
970     }
971    
972     /*======================================================================*\
973     Function: _parse_file_path
974     Purpose: parse out the type and name from the template resource
975     \*======================================================================*/
976     function _parse_file_path($file_base_path, $file_path, &$resource_type, &$resource_name)
977     {
978     // split tpl_path by the first colon
979     $_file_path_parts = explode(':', $file_path, 2);
980    
981     if (count($_file_path_parts) == 1) {
982     // no resource type, treat as type "file"
983     $resource_type = 'file';
984     $resource_name = $_file_path_parts[0];
985     } else {
986     $resource_type = $_file_path_parts[0];
987     $resource_name = $_file_path_parts[1];
988     if ($resource_type != 'file') {
989     $this->_load_resource_plugin($resource_type);
990     }
991     }
992    
993     if ($resource_type == 'file') {
994     if (!preg_match("/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/", $resource_name)) {
995     // relative pathname to $file_base_path
996     // use the first directory where the file is found
997     foreach ((array)$file_base_path as $_curr_path) {
998     $_fullpath = $_curr_path . DIR_SEP . $resource_name;
999     if (@is_file($_fullpath)) {
1000     $resource_name = $_fullpath;
1001     return true;
1002     }
1003     // didn't find the file, try include_path
1004     if($this->_get_include_path($_fullpath, $_include_path)) {
1005     $resource_name = $_include_path;
1006     return true;
1007     }
1008     }
1009     return false;
1010     }
1011     }
1012    
1013     // resource type != file
1014     return true;
1015     }
1016    
1017    
1018     /*======================================================================*\
1019     Function: _fetch_template_info()
1020     Purpose: fetch the template info. Gets timestamp, and source
1021     if get_source is true
1022     \*======================================================================*/
1023     function _fetch_template_info($tpl_path, &$template_source, &$template_timestamp, $get_source = true, $quiet = false)
1024     {
1025     $_return = false;
1026     if ($this->_parse_file_path($this->template_dir, $tpl_path, $resource_type, $resource_name)) {
1027     switch ($resource_type) {
1028     case 'file':
1029     if ($get_source) {
1030     $template_source = $this->_read_file($resource_name);
1031     }
1032     $template_timestamp = filemtime($resource_name);
1033     $_return = true;
1034     break;
1035    
1036     default:
1037     // call resource functions to fetch the template source and timestamp
1038     if ($get_source) {
1039     $resource_func = $this->_plugins['resource'][$resource_type][0][0];
1040     $_source_return = $resource_func($resource_name, $template_source, $this);
1041     } else {
1042     $_source_return = true;
1043     }
1044     $resource_func = $this->_plugins['resource'][$resource_type][0][1];
1045     $_timestamp_return = $resource_func($resource_name, $template_timestamp, $this);
1046     $_return = $_source_return && $_timestamp_return;
1047     break;
1048     }
1049     }
1050    
1051     if (!$_return) {
1052     // see if we can get a template with the default template handler
1053     if (!empty($this->default_template_handler_func)) {
1054     if (!function_exists($this->default_template_handler_func)) {
1055     $this->trigger_error("default template handler function \"$this->default_template_handler_func\" doesn't exist.");
1056     $_return = false;
1057     }
1058     $funcname = $this->default_template_handler_func;
1059     $_return = $funcname($resource_type, $resource_name, $template_source, $template_timestamp, $this);
1060     }
1061     }
1062    
1063     if (!$_return) {
1064     if (!$quiet) {
1065     $this->trigger_error("unable to read template resource: \"$tpl_path\"");
1066     }
1067     } else if ($_return && $this->security && !$this->_is_secure($resource_type, $resource_name)) {
1068     if (!$quiet)
1069     $this->trigger_error("(secure mode) accessing \"$tpl_path\" is not allowed");
1070     $template_source = null;
1071     $template_timestamp = null;
1072     return false;
1073     }
1074    
1075     return $_return;
1076     }
1077    
1078    
1079     /*======================================================================*\
1080     Function: _compile_template()
1081     Purpose: called to compile the templates
1082     \*======================================================================*/
1083     function _compile_template($tpl_file, $template_source, &$template_compiled)
1084     {
1085     require_once SMARTY_DIR.$this->compiler_class . '.class.php';
1086    
1087     $smarty_compiler = new $this->compiler_class;
1088    
1089     $smarty_compiler->template_dir = $this->template_dir;
1090     $smarty_compiler->compile_dir = $this->compile_dir;
1091     $smarty_compiler->plugins_dir = $this->plugins_dir;
1092     $smarty_compiler->config_dir = $this->config_dir;
1093     $smarty_compiler->force_compile = $this->force_compile;
1094     $smarty_compiler->caching = $this->caching;
1095     $smarty_compiler->php_handling = $this->php_handling;
1096     $smarty_compiler->left_delimiter = $this->left_delimiter;
1097     $smarty_compiler->right_delimiter = $this->right_delimiter;
1098     $smarty_compiler->_version = $this->_version;
1099     $smarty_compiler->security = $this->security;
1100     $smarty_compiler->secure_dir = $this->secure_dir;
1101     $smarty_compiler->security_settings = $this->security_settings;
1102     $smarty_compiler->trusted_dir = $this->trusted_dir;
1103     $smarty_compiler->_plugins = &$this->_plugins;
1104     $smarty_compiler->_tpl_vars = &$this->_tpl_vars;
1105     $smarty_compiler->default_modifiers = $this->default_modifiers;
1106    
1107     if ($smarty_compiler->_compile_file($tpl_file, $template_source, $template_compiled))
1108     return true;
1109     else {
1110     $this->trigger_error($smarty_compiler->_error_msg);
1111     return false;
1112     }
1113     }
1114    
1115     /*======================================================================*\
1116     Function: _smarty_include()
1117     Purpose: called for included templates
1118     \*======================================================================*/
1119     function _smarty_include($_smarty_include_tpl_file, $_smarty_include_vars)
1120     {
1121     if ($this->debugging) {
1122     $debug_start_time = $this->_get_microtime();
1123     $this->_smarty_debug_info[] = array('type' => 'template',
1124     'filename' => $_smarty_include_tpl_file,
1125     'depth' => ++$this->_inclusion_depth);
1126     $included_tpls_idx = count($this->_smarty_debug_info) - 1;
1127     }
1128    
1129     $this->_tpl_vars = array_merge($this->_tpl_vars, $_smarty_include_vars);
1130     extract($this->_tpl_vars);
1131    
1132     array_unshift($this->_config, $this->_config[0]);
1133     $_smarty_compile_path = $this->_get_compile_path($_smarty_include_tpl_file);
1134    
1135     if ($this->_process_template($_smarty_include_tpl_file, $_smarty_compile_path)) {
1136     include($_smarty_compile_path);
1137     }
1138    
1139     array_shift($this->_config);
1140     $this->_inclusion_depth--;
1141    
1142     if ($this->debugging) {
1143     // capture time for debugging info
1144     $this->_smarty_debug_info[$included_tpls_idx]['exec_time'] = $this->_get_microtime() - $debug_start_time;
1145     }
1146    
1147     if ($this->caching) {
1148     $this->_cache_info['template'][] = $_smarty_include_tpl_file;
1149     }
1150     }
1151    
1152     /*======================================================================*\
1153     Function: _smarty_include_php()
1154     Purpose: called for included templates
1155     \*======================================================================*/
1156     function _smarty_include_php($_smarty_include_php_file, $_smarty_assign, $_smarty_once)
1157     {
1158     $this->_get_php_resource($_smarty_include_php_file, $_smarty_resource_type,
1159     $_smarty_php_resource);
1160    
1161     if (!empty($_smarty_assign)) {
1162     ob_start();
1163     if ($_smarty_resource_type == 'file') {
1164     if($_smarty_once) {
1165     include_once($_smarty_php_resource);
1166     } else {
1167     include($_smarty_php_resource);
1168     }
1169     } else {
1170     eval($_smarty_php_resource);
1171     }
1172     $this->assign($_smarty_assign, ob_get_contents());
1173     ob_end_clean();
1174     } else {
1175     if ($_smarty_resource_type == 'file') {
1176     if($_smarty_once) {
1177     include_once($_smarty_php_resource);
1178     } else {
1179     include($_smarty_php_resource);
1180     }
1181     } else {
1182     eval($_smarty_php_resource);
1183     }
1184     }
1185     }
1186    
1187     /*======================================================================*\
1188     Function: _config_load
1189     Purpose: load configuration values
1190     \*======================================================================*/
1191     function _config_load($file, $section, $scope)
1192     {
1193     if(@is_dir($this->config_dir)) {
1194     $_config_dir = $this->config_dir;
1195     } else {
1196     // config_dir not found, try include_path
1197     $this->_get_include_path($this->config_dir,$_config_dir);
1198     }
1199    
1200     if ($this->_conf_obj === null) {
1201     /* Prepare the configuration object. */
1202     if (!class_exists('Config_File'))
1203     require_once SMARTY_DIR.'Config_File.class.php';
1204     $this->_conf_obj = new Config_File($_config_dir);
1205     $this->_conf_obj->read_hidden = false;
1206     } else {
1207     $this->_conf_obj->set_path($_config_dir);
1208     }
1209    
1210     if ($this->debugging) {
1211     $debug_start_time = $this->_get_microtime();
1212     }
1213    
1214     if ($this->caching) {
1215     $this->_cache_info['config'][] = $file;
1216     }
1217    
1218     if (!isset($this->_config[0]['files'][$file])) {
1219     $this->_config[0]['vars'] = array_merge($this->_config[0]['vars'], $this->_conf_obj->get($file));
1220     $this->_config[0]['files'][$file] = true;
1221     }
1222     if ($scope == 'parent') {
1223     if (count($this->_config) > 0 && !isset($this->_config[1]['files'][$file])) {
1224     $this->_config[1]['vars'] = array_merge($this->_config[1]['vars'], $this->_conf_obj->get($file));
1225     $this->_config[1]['files'][$file] = true;
1226     }
1227     } else if ($scope == 'global')
1228     for ($i = 1, $for_max = count($this->_config); $i < $for_max; $i++) {
1229     if (!isset($this->_config[$i]['files'][$file])) {
1230     $this->_config[$i]['vars'] = array_merge($this->_config[$i]['vars'], $this->_conf_obj->get($file));
1231     $this->_config[$i]['files'][$file] = true;
1232     }
1233     }
1234    
1235     if (!empty($section)) {
1236     $this->_config[0]['vars'] = array_merge($this->_config[0]['vars'], $this->_conf_obj->get($file, $section));
1237     if ($scope == 'parent') {
1238     if (count($this->_config) > 0)
1239     $this->_config[1]['vars'] = array_merge($this->_config[1]['vars'], $this->_conf_obj->get($file, $section));
1240     } else if ($scope == 'global')
1241     for ($i = 1, $for_max = count($this->_config); $i < $for_max; $i++)
1242     $this->_config[$i]['vars'] = array_merge($this->_config[$i]['vars'], $this->_conf_obj->get($file, $section));
1243     }
1244    
1245     if ($this->debugging) {
1246     $debug_start_time = $this->_get_microtime();
1247     $this->_smarty_debug_info[] = array('type' => 'config',
1248     'filename' => $file.' ['.$section.'] '.$scope,
1249     'depth' => $this->_inclusion_depth,
1250     'exec_time' => $this->_get_microtime() - $debug_start_time);
1251     }
1252     }
1253    
1254    
1255     /*======================================================================*\
1256     Function: _process_cached_inserts
1257     Purpose: Replace cached inserts with the actual results
1258     \*======================================================================*/
1259     function _process_cached_inserts($results)
1260     {
1261     preg_match_all('!'.$this->_smarty_md5.'{insert_cache (.*)}'.$this->_smarty_md5.'!Uis',
1262     $results, $match);
1263     list($cached_inserts, $insert_args) = $match;
1264    
1265     for ($i = 0, $for_max = count($cached_inserts); $i < $for_max; $i++) {
1266     if ($this->debugging) {
1267     $debug_start_time = $this->_get_microtime();
1268     }
1269    
1270     $args = unserialize($insert_args[$i]);
1271    
1272     $name = $args['name'];
1273     unset($args['name']);
1274    
1275     if (isset($args['script'])) {
1276     if (!$this->_get_php_resource($this->_dequote($args['script']), $resource_type, $php_resource)) {
1277     return false;
1278     }
1279    
1280     if ($resource_type == 'file') {
1281     include_once($php_resource);
1282     } else {
1283     eval($php_resource);
1284     }
1285     unset($args['script']);
1286     }
1287    
1288     $function_name = $this->_plugins['insert'][$name][0];
1289     $replace = $function_name($args, $this);
1290    
1291     $results = str_replace($cached_inserts[$i], $replace, $results);
1292     if ($this->debugging) {
1293     $this->_smarty_debug_info[] = array('type' => 'insert',
1294     'filename' => 'insert_'.$name,
1295     'depth' => $this->_inclusion_depth,
1296     'exec_time' => $this->_get_microtime() - $debug_start_time);
1297     }
1298     }
1299    
1300     return $results;
1301     }
1302    
1303    
1304     /*======================================================================*\
1305     Function: _run_insert_handler
1306     Purpose: Handle insert tags
1307     \*======================================================================*/
1308     function _run_insert_handler($args)
1309     {
1310     if ($this->debugging) {
1311     $debug_start_time = $this->_get_microtime();
1312     }
1313    
1314     if ($this->caching) {
1315     $arg_string = serialize($args);
1316     $name = $args['name'];
1317     if (!isset($this->_cache_info['insert_tags'][$name])) {
1318     $this->_cache_info['insert_tags'][$name] = array('insert',
1319     $name,
1320     $this->_plugins['insert'][$name][1],
1321     $this->_plugins['insert'][$name][2],
1322     !empty($args['script']) ? true : false);
1323     }
1324     return $this->_smarty_md5."{insert_cache $arg_string}".$this->_smarty_md5;
1325     } else {
1326     if (isset($args['script'])) {
1327     if (!$this->_get_php_resource($this->_dequote($args['script']), $resource_type, $php_resource)) {
1328     return false;
1329     }
1330    
1331     if ($resource_type == 'file') {
1332     include_once($php_resource);
1333     } else {
1334     eval($php_resource);
1335     }
1336     unset($args['script']);
1337     }
1338    
1339     $function_name = $this->_plugins['insert'][$args['name']][0];
1340     $content = $function_name($args, $this);
1341     if ($this->debugging) {
1342     $this->_smarty_debug_info[] = array('type' => 'insert',
1343     'filename' => 'insert_'.$args['name'],
1344     'depth' => $this->_inclusion_depth,
1345     'exec_time' => $this->_get_microtime() - $debug_start_time);
1346     }
1347    
1348     if (!empty($args["assign"])) {
1349     $this->assign($args["assign"], $content);
1350     } else {
1351     return $content;
1352     }
1353     }
1354     }
1355    
1356    
1357     /*======================================================================*\
1358     Function: _run_mod_handler
1359     Purpose: Handle modifiers
1360     \*======================================================================*/
1361     function _run_mod_handler()
1362     {
1363     $args = func_get_args();
1364     list($modifier_name, $map_array) = array_splice($args, 0, 2);
1365     list($func_name, $tpl_file, $tpl_line) =
1366     $this->_plugins['modifier'][$modifier_name];
1367     $var = $args[0];
1368    
1369     if ($map_array && is_array($var)) {
1370     foreach ($var as $key => $val) {
1371     $args[0] = $val;
1372     $var[$key] = call_user_func_array($func_name, $args);
1373     }
1374     return $var;
1375     } else {
1376     return call_user_func_array($func_name, $args);
1377     }
1378     }
1379    
1380    
1381     /*======================================================================*\
1382     Function: _dequote
1383     Purpose: Remove starting and ending quotes from the string
1384     \*======================================================================*/
1385     function _dequote($string)
1386     {
1387     if (($string{0} == "'" || $string{0} == '"') &&
1388     $string{strlen($string)-1} == $string{0})
1389     return substr($string, 1, -1);
1390     else
1391     return $string;
1392     }
1393    
1394    
1395     /*======================================================================*\
1396     Function: _read_file()
1397     Purpose: read in a file from line $start for $lines.
1398     read the entire file if $start and $lines are null.
1399     \*======================================================================*/
1400     function _read_file($filename, $start=null, $lines=null)
1401     {
1402     if (!($fd = @fopen($filename, 'r'))) {
1403     return false;
1404     }
1405     flock($fd, LOCK_SH);
1406     if ($start == null && $lines == null) {
1407     // read the entire file
1408     $contents = fread($fd, filesize($filename));
1409     } else {
1410     if ( $start > 1 ) {
1411     // skip the first lines before $start
1412     for ($loop=1; $loop < $start; $loop++) {
1413     fgets($fd, 65536);
1414     }
1415     }
1416     if ( $lines == null ) {
1417     // read the rest of the file
1418     while (!feof($fd)) {
1419     $contents .= fgets($fd, 65536);
1420     }
1421     } else {
1422     // read up to $lines lines
1423     for ($loop=0; $loop < $lines; $loop++) {
1424     $contents .= fgets($fd, 65536);
1425     if (feof($fd)) {
1426     break;
1427     }
1428     }
1429     }
1430     }
1431     fclose($fd);
1432     return $contents;
1433     }
1434    
1435     /*======================================================================*\
1436     Function: _write_file()
1437     Purpose: write out a file
1438     \*======================================================================*/
1439     function _write_file($filename, $contents, $create_dirs = false)
1440     {
1441     if ($create_dirs)
1442     $this->_create_dir_structure(dirname($filename));
1443    
1444     if (!($fd = @fopen($filename, 'w'))) {
1445     $this->trigger_error("problem writing '$filename.'");
1446     return false;
1447     }
1448    
1449     // flock doesn't seem to work on several windows platforms (98, NT4, NT5, ?),
1450     // so we'll not use it at all in windows.
1451    
1452     if ( strtoupper(substr(PHP_OS, 0, 3)) == 'WIN' || (flock($fd, LOCK_EX)) ) {
1453     fwrite( $fd, $contents );
1454     fclose($fd);
1455     chmod($filename, 0644);
1456     }
1457    
1458     return true;
1459     }
1460    
1461     /*======================================================================*\
1462     Function: _get_auto_filename
1463     Purpose: get a concrete filename for automagically created content
1464     \*======================================================================*/
1465     function _get_auto_filename($auto_base, $auto_source = null, $auto_id = null)
1466     {
1467     static $_dir_sep = null;
1468     static $_dir_sep_enc = null;
1469    
1470     if(!isset($_dir_sep)) {
1471     $_dir_sep_enc = urlencode(DIR_SEP);
1472     if($this->use_sub_dirs) {
1473     $_dir_sep = DIR_SEP;
1474     } else {
1475     $_dir_sep = '^';
1476     }
1477     }
1478    
1479     if(@is_dir($auto_base)) {
1480     $res = $auto_base . DIR_SEP;
1481     } else {
1482     // auto_base not found, try include_path
1483     $this->_get_include_path($auto_base,$_include_path);
1484     $res = $_include_path . DIR_SEP;
1485     }
1486    
1487     if(isset($auto_id)) {
1488     // make auto_id safe for directory names
1489     $auto_id = str_replace('%7C','|',(urlencode($auto_id)));
1490     // split into separate directories
1491     $auto_id = str_replace('|', $_dir_sep, $auto_id);
1492     $res .= $auto_id . $_dir_sep;
1493     }
1494    
1495     if(isset($auto_source)) {
1496     // make source name safe for filename
1497     if($this->use_sub_dirs) {
1498     $_filename = urlencode(basename($auto_source));
1499     $_crc32 = crc32($auto_source) . $_dir_sep;
1500     // prepend %% to avoid name conflicts with
1501     // with $auto_id names
1502     $_crc32 = '%%' . substr($_crc32,0,3) . $_dir_sep . '%%' . $_crc32;
1503     $res .= $_crc32 . $_filename . '.php';
1504     } else {
1505     $res .= str_replace($_dir_sep_enc,'^',urlencode($auto_source));
1506     }
1507     }
1508    
1509     return $res;
1510     }
1511    
1512     /*======================================================================*\
1513     Function: _rm_auto
1514     Purpose: delete an automagically created file by name and id
1515     \*======================================================================*/
1516     function _rm_auto($auto_base, $auto_source = null, $auto_id = null, $exp_time = null)
1517     {
1518 joko 1.2 if (!@is_dir($auto_base))
1519 cvsjoko 1.1 return false;
1520    
1521     if(!isset($auto_id) && !isset($auto_source)) {
1522     $res = $this->_rmdir($auto_base, 0, $exp_time);
1523     } else {
1524     $tname = $this->_get_auto_filename($auto_base, $auto_source, $auto_id);
1525    
1526     if(isset($auto_source)) {
1527 joko 1.2 $res = $this->_unlink($tname);
1528 cvsjoko 1.1 } elseif ($this->use_sub_dirs) {
1529     $res = $this->_rmdir($tname, 1, $exp_time);
1530     } else {
1531     // remove matching file names
1532     $handle = opendir($auto_base);
1533     while ($filename = readdir($handle)) {
1534     if($filename == '.' || $filename == '..') {
1535     continue;
1536     } elseif (substr($auto_base . DIR_SEP . $filename,0,strlen($tname)) == $tname) {
1537     $this->_unlink($auto_base . DIR_SEP . $filename, $exp_time);
1538     }
1539     }
1540     }
1541     }
1542    
1543     return $res;
1544     }
1545    
1546     /*======================================================================*\
1547     Function: _rmdir
1548     Purpose: delete a dir recursively (level=0 -> keep root)
1549     WARNING: no security whatsoever!!
1550     \*======================================================================*/
1551     function _rmdir($dirname, $level = 1, $exp_time = null)
1552     {
1553    
1554     if($handle = @opendir($dirname)) {
1555    
1556     while ($entry = readdir($handle)) {
1557     if ($entry != '.' && $entry != '..') {
1558 joko 1.2 if (@is_dir($dirname . DIR_SEP . $entry)) {
1559 cvsjoko 1.1 $this->_rmdir($dirname . DIR_SEP . $entry, $level + 1, $exp_time);
1560     }
1561     else {
1562     $this->_unlink($dirname . DIR_SEP . $entry, $exp_time);
1563     }
1564     }
1565     }
1566    
1567     closedir($handle);
1568    
1569     if ($level)
1570     @rmdir($dirname);
1571    
1572     return true;
1573    
1574     } else {
1575     return false;
1576     }
1577     }
1578    
1579     /*======================================================================*\
1580     Function: _unlink
1581     Purpose: unlink a file, possibly using expiration time
1582     \*======================================================================*/
1583     function _unlink($resource, $exp_time = null)
1584     {
1585     if(isset($exp_time)) {
1586     if(time() - filemtime($resource) >= $exp_time) {
1587 joko 1.2 @unlink($resource);
1588 cvsjoko 1.1 }
1589     } else {
1590 joko 1.2 @unlink($resource);
1591 cvsjoko 1.1 }
1592     }
1593    
1594     /*======================================================================*\
1595     Function: _create_dir_structure
1596     Purpose: create full directory structure
1597     \*======================================================================*/
1598     function _create_dir_structure($dir)
1599     {
1600     if (!@file_exists($dir)) {
1601 joko 1.2 $_dir_parts = preg_split('!\\'.DIR_SEP.'+!', $dir, -1, PREG_SPLIT_NO_EMPTY);
1602     $_new_dir = ($dir{0} == DIR_SEP) ? DIR_SEP : '';
1603    
1604     // do not attempt to test or make directories outside of open_basedir
1605     $_open_basedir_ini = ini_get('open_basedir');
1606     if(!empty($_open_basedir_ini)) {
1607     $_use_open_basedir = true;
1608     $_open_basedir_sep = (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') ? ';' : ':';
1609     $_open_basedirs = explode($_open_basedir_sep, $_open_basedir_ini);
1610     } else {
1611     $_use_open_basedir = false;
1612     }
1613    
1614     foreach ($_dir_parts as $_dir_part) {
1615     $_new_dir .= $_dir_part;
1616    
1617     if ($_use_open_basedir) {
1618     $_make_new_dir = false;
1619     foreach ($_open_basedirs as $_open_basedir) {
1620     if (substr($_new_dir.'/', 0, strlen($_open_basedir)) == $_open_basedir) {
1621     $_make_new_dir = true;
1622     break;
1623     }
1624     }
1625     } else {
1626     $_make_new_dir = true;
1627     }
1628    
1629     if ($_make_new_dir && !@file_exists($_new_dir) && !@mkdir($_new_dir, 0771)) {
1630 cvsjoko 1.1 $this->trigger_error("problem creating directory \"$dir\"");
1631     return false;
1632     }
1633 joko 1.2 $_new_dir .= DIR_SEP;
1634 cvsjoko 1.1 }
1635     }
1636     }
1637    
1638     /*======================================================================*\
1639     Function: _write_cache_file
1640     Purpose: Prepend the cache information to the cache file
1641     and write it
1642     \*======================================================================*/
1643     function _write_cache_file($tpl_file, $cache_id, $compile_id, $results)
1644     {
1645     // put timestamp in cache header
1646     $this->_cache_info['timestamp'] = time();
1647     if ($this->cache_lifetime > -1){
1648     // expiration set
1649     $this->_cache_info['expires'] = $this->_cache_info['timestamp'] + $this->cache_lifetime;
1650     } else {
1651     // cache will never expire
1652     $this->_cache_info['expires'] = -1;
1653     }
1654    
1655     // prepend the cache header info into cache file
1656     $results = serialize($this->_cache_info)."\n".$results;
1657    
1658     if (!empty($this->cache_handler_func)) {
1659     // use cache_handler function
1660     $funcname = $this->cache_handler_func;
1661     return $funcname('write', $this, $results, $tpl_file, $cache_id, $compile_id);
1662     } else {
1663     // use local cache file
1664     if (isset($cache_id))
1665     $auto_id = (isset($compile_id)) ? $cache_id . '|' . $compile_id : $cache_id;
1666     elseif(isset($compile_id))
1667     $auto_id = $compile_id;
1668     else
1669     $auto_id = null;
1670    
1671     $cache_file = $this->_get_auto_filename($this->cache_dir, $tpl_file, $auto_id);
1672     $this->_write_file($cache_file, $results, true);
1673     return true;
1674     }
1675     }
1676    
1677     /*======================================================================*\
1678     Function: _read_cache_file
1679     Purpose: read a cache file, determine if it needs to be
1680     regenerated or not
1681     \*======================================================================*/
1682     function _read_cache_file($tpl_file, $cache_id, $compile_id, &$results)
1683     {
1684     static $content_cache = array();
1685    
1686     if ($this->force_compile) {
1687     // force compile enabled, always regenerate
1688     return false;
1689     }
1690    
1691     if (isset($content_cache["$tpl_file,$cache_id,$compile_id"])) {
1692     list($results, $this->_cache_info) = $content_cache["$tpl_file,$cache_id,$compile_id"];
1693     return true;
1694     }
1695    
1696     if (!empty($this->cache_handler_func)) {
1697     // use cache_handler function
1698     $funcname = $this->cache_handler_func;
1699     $funcname('read', $this, $results, $tpl_file, $cache_id, $compile_id);
1700     } else {
1701     // use local cache file
1702     if (isset($cache_id))
1703     $auto_id = (isset($compile_id)) ? $cache_id . '|' . $compile_id : $cache_id;
1704     elseif(isset($compile_id))
1705     $auto_id = $compile_id;
1706     else
1707     $auto_id = null;
1708    
1709     $cache_file = $this->_get_auto_filename($this->cache_dir, $tpl_file, $auto_id);
1710     $results = $this->_read_file($cache_file);
1711     }
1712    
1713     if (empty($results)) {
1714     // nothing to parse (error?), regenerate cache
1715     return false;
1716     }
1717    
1718     $cache_split = explode("\n", $results, 2);
1719     $cache_header = $cache_split[0];
1720    
1721     $this->_cache_info = unserialize($cache_header);
1722    
1723     if ($this->caching == 2 && isset ($this->_cache_info['expires'])){
1724     // caching by expiration time
1725     if ($this->_cache_info['expires'] > -1 && (time() > $this->_cache_info['expires'])) {
1726     // cache expired, regenerate
1727     return false;
1728     }
1729     } else {
1730     // caching by lifetime
1731     if ($this->cache_lifetime > -1 && (time() - $this->_cache_info['timestamp'] > $this->cache_lifetime)) {
1732     // cache expired, regenerate
1733     return false;
1734     }
1735     }
1736    
1737     if ($this->compile_check) {
1738     foreach ($this->_cache_info['template'] as $template_dep) {
1739     $this->_fetch_template_info($template_dep, $template_source, $template_timestamp, false);
1740     if ($this->_cache_info['timestamp'] < $template_timestamp) {
1741     // template file has changed, regenerate cache
1742     return false;
1743     }
1744     }
1745    
1746     if (isset($this->_cache_info['config'])) {
1747     foreach ($this->_cache_info['config'] as $config_dep) {
1748     if ($this->_cache_info['timestamp'] < filemtime($this->config_dir.DIR_SEP.$config_dep)) {
1749     // config file has changed, regenerate cache
1750     return false;
1751     }
1752     }
1753     }
1754     }
1755    
1756     $results = $cache_split[1];
1757     $content_cache["$tpl_file,$cache_id,$compile_id"] = array($results, $this->_cache_info);
1758    
1759     return true;
1760     }
1761    
1762     /*======================================================================*\
1763     Function: _get_plugin_filepath
1764     Purpose: get filepath of requested plugin
1765     \*======================================================================*/
1766     function _get_plugin_filepath($type, $name)
1767     {
1768     $_plugin_filename = "$type.$name.php";
1769    
1770     foreach ((array)$this->plugins_dir as $_plugin_dir) {
1771    
1772     $_plugin_filepath = $_plugin_dir . DIR_SEP . $_plugin_filename;
1773    
1774     // see if path is relative
1775     if (!preg_match("/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/", $_plugin_dir)) {
1776     $_relative_paths[] = $_plugin_dir;
1777     // relative path, see if it is in the SMARTY_DIR
1778     if (@is_readable(SMARTY_DIR . $_plugin_filepath)) {
1779     return SMARTY_DIR . $_plugin_filepath;
1780     }
1781     }
1782     // try relative to cwd (or absolute)
1783     if (@is_readable($_plugin_filepath)) {
1784     return $_plugin_filepath;
1785     }
1786     }
1787    
1788     // still not found, try PHP include_path
1789     if(isset($_relative_paths)) {
1790     foreach ((array)$_relative_paths as $_plugin_dir) {
1791    
1792     $_plugin_filepath = $_plugin_dir . DIR_SEP . $_plugin_filename;
1793    
1794     if ($this->_get_include_path($_plugin_filepath, $_include_filepath)) {
1795     return $_include_filepath;
1796     }
1797     }
1798     }
1799    
1800    
1801     return false;
1802     }
1803    
1804     /*======================================================================*\
1805     Function: _load_plugins
1806     Purpose: Load requested plugins
1807     \*======================================================================*/
1808     function _load_plugins($plugins)
1809     {
1810    
1811     foreach ($plugins as $plugin_info) {
1812     list($type, $name, $tpl_file, $tpl_line, $delayed_loading) = $plugin_info;
1813     $plugin = &$this->_plugins[$type][$name];
1814    
1815     /*
1816     * We do not load plugin more than once for each instance of Smarty.
1817     * The following code checks for that. The plugin can also be
1818     * registered dynamically at runtime, in which case template file
1819     * and line number will be unknown, so we fill them in.
1820     *
1821     * The final element of the info array is a flag that indicates
1822     * whether the dynamically registered plugin function has been
1823     * checked for existence yet or not.
1824     */
1825     if (isset($plugin)) {
1826     if (!$plugin[3]) {
1827     if (!function_exists($plugin[0])) {
1828     $this->_trigger_plugin_error("$type '$name' is not implemented", $tpl_file, $tpl_line);
1829     } else {
1830     $plugin[1] = $tpl_file;
1831     $plugin[2] = $tpl_line;
1832     $plugin[3] = true;
1833     }
1834     }
1835     continue;
1836     } else if ($type == 'insert') {
1837     /*
1838     * For backwards compatibility, we check for insert functions in
1839     * the symbol table before trying to load them as a plugin.
1840     */
1841     $plugin_func = 'insert_' . $name;
1842     if (function_exists($plugin_func)) {
1843     $plugin = array($plugin_func, $tpl_file, $tpl_line, true);
1844     continue;
1845     }
1846     }
1847    
1848     $plugin_file = $this->_get_plugin_filepath($type, $name);
1849    
1850     if ($found = ($plugin_file != false)) {
1851     $message = "could not load plugin file '$type.$name.php'\n";
1852     }
1853    
1854     /*
1855     * If plugin file is found, it -must- provide the properly named
1856     * plugin function. In case it doesn't, simply output the error and
1857     * do not fall back on any other method.
1858     */
1859     if ($found) {
1860     include_once $plugin_file;
1861    
1862     $plugin_func = 'smarty_' . $type . '_' . $name;
1863     if (!function_exists($plugin_func)) {
1864     $this->_trigger_plugin_error("plugin function $plugin_func() not found in $plugin_file", $tpl_file, $tpl_line);
1865     continue;
1866     }
1867     }
1868     /*
1869     * In case of insert plugins, their code may be loaded later via
1870     * 'script' attribute.
1871     */
1872     else if ($type == 'insert' && $delayed_loading) {
1873     $plugin_func = 'smarty_' . $type . '_' . $name;
1874     $found = true;
1875     }
1876    
1877     /*
1878     * Plugin specific processing and error checking.
1879     */
1880     if (!$found) {
1881     if ($type == 'modifier') {
1882     /*
1883     * In case modifier falls back on using PHP functions
1884     * directly, we only allow those specified in the security
1885     * context.
1886     */
1887     if ($this->security && !in_array($name, $this->security_settings['MODIFIER_FUNCS'])) {
1888     $message = "(secure mode) modifier '$name' is not allowed";
1889     } else {
1890     if (!function_exists($name)) {
1891     $message = "modifier '$name' is not implemented";
1892     } else {
1893     $plugin_func = $name;
1894     $found = true;
1895     }
1896     }
1897     } else if ($type == 'function') {
1898     /*
1899     * This is a catch-all situation.
1900     */
1901     $message = "unknown tag - '$name'";
1902     }
1903     }
1904    
1905     if ($found) {
1906     $this->_plugins[$type][$name] = array($plugin_func, $tpl_file, $tpl_line, true);
1907     } else {
1908     // output error
1909     $this->_trigger_plugin_error($message, $tpl_file, $tpl_line);
1910     }
1911     }
1912     }
1913    
1914     /*======================================================================*\
1915     Function: _load_resource_plugin
1916     Purpose:
1917     \*======================================================================*/
1918     function _load_resource_plugin($type)
1919     {
1920     /*
1921     * Resource plugins are not quite like the other ones, so they are
1922     * handled differently. The first element of plugin info is the array of
1923     * functions provided by the plugin, the second one indicates whether
1924     * all of them exist or not.
1925     */
1926    
1927     $plugin = &$this->_plugins['resource'][$type];
1928     if (isset($plugin)) {
1929     if (!$plugin[1] && count($plugin[0])) {
1930     $plugin[1] = true;
1931     foreach ($plugin[0] as $plugin_func) {
1932     if (!function_exists($plugin_func)) {
1933     $plugin[1] = false;
1934     break;
1935     }
1936     }
1937     }
1938    
1939     if (!$plugin[1]) {
1940     $this->_trigger_plugin_error("resource '$type' is not implemented");
1941     }
1942    
1943     return;
1944     }
1945    
1946     $plugin_file = $this->_get_plugin_filepath('resource', $type);
1947     $found = ($plugin_file != false);
1948    
1949     if ($found) { /*
1950     * If the plugin file is found, it -must- provide the properly named
1951     * plugin functions.
1952     */
1953     include_once $plugin_file;
1954    
1955     /*
1956     * Locate functions that we require the plugin to provide.
1957     */
1958     $resource_ops = array('source', 'timestamp', 'secure', 'trusted');
1959     $resource_funcs = array();
1960     foreach ($resource_ops as $op) {
1961     $plugin_func = 'smarty_resource_' . $type . '_' . $op;
1962     if (!function_exists($plugin_func)) {
1963     $this->_trigger_plugin_error("plugin function $plugin_func() not found in $plugin_file");
1964     return;
1965     } else {
1966     $resource_funcs[] = $plugin_func;
1967     }
1968     }
1969    
1970     $this->_plugins['resource'][$type] = array($resource_funcs, true);
1971     }
1972     }
1973    
1974     /*======================================================================*\
1975     Function: _autoload_filters()
1976     Purpose: automatically load a set of filters
1977     \*======================================================================*/
1978     function _autoload_filters()
1979     {
1980     foreach ($this->autoload_filters as $filter_type => $filters) {
1981     foreach ($filters as $filter) {
1982     $this->load_filter($filter_type, $filter);
1983     }
1984     }
1985     }
1986    
1987     /*======================================================================*\
1988     Function: quote_replace
1989     Purpose: Quote subpattern references
1990     \*======================================================================*/
1991     function quote_replace($string)
1992     {
1993     return preg_replace('![\\$]\d!', '\\\\\\0', $string);
1994     }
1995    
1996    
1997     /*======================================================================*\
1998     Function: _trigger_plugin_error
1999     Purpose: trigger Smarty plugin error
2000     \*======================================================================*/
2001     function _trigger_plugin_error($error_msg, $tpl_file = null, $tpl_line = null, $error_type = E_USER_ERROR)
2002     {
2003     if (isset($tpl_line) && isset($tpl_file)) {
2004     trigger_error("Smarty plugin error: [in " . $tpl_file . " line " .
2005     $tpl_line . "]: $error_msg", $error_type);
2006     } else {
2007     trigger_error("Smarty plugin error: $error_msg", $error_type);
2008     }
2009     }
2010    
2011     /*======================================================================*\
2012     Function: _get_microtime
2013     Purpose: Get seconds and microseconds
2014     \*======================================================================*/
2015     function _get_microtime()
2016     {
2017     $mtime = microtime();
2018     $mtime = explode(" ", $mtime);
2019     $mtime = (double)($mtime[1]) + (double)($mtime[0]);
2020     return ($mtime);
2021     }
2022    
2023     /*======================================================================*\
2024     Function: _get_include_path
2025     Purpose: Get path to file from include_path
2026     \*======================================================================*/
2027     function _get_include_path($file_path,&$new_file_path)
2028     {
2029     static $_path_array = null;
2030    
2031     if(!isset($_path_array)) {
2032     $_ini_include_path = ini_get('include_path');
2033    
2034     if(strstr($_ini_include_path,';')) {
2035     // windows pathnames
2036     $_path_array = explode(';',$_ini_include_path);
2037     } else {
2038     $_path_array = explode(':',$_ini_include_path);
2039     }
2040     }
2041     foreach ($_path_array as $_include_path) {
2042     if (@file_exists($_include_path . DIR_SEP . $file_path)) {
2043     $new_file_path = $_include_path . DIR_SEP . $file_path;
2044     return true;
2045     }
2046     }
2047     return false;
2048     }
2049    
2050     }
2051    
2052     /* vim: set expandtab: */
2053    
2054     ?>

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