mirror of
https://github.com/wallabag/wallabag.git
synced 2024-11-23 09:31:04 +00:00
1043 lines
34 KiB
PHP
Executable file
1043 lines
34 KiB
PHP
Executable file
<?php
|
|
|
|
/**
|
|
* RainTPL
|
|
* -------
|
|
* Realized by Federico Ulfo & maintained by the Rain Team
|
|
* Distributed under GNU/LGPL 3 License
|
|
*
|
|
* @version 2.7.2
|
|
*/
|
|
|
|
|
|
class RainTPL{
|
|
|
|
// -------------------------
|
|
// CONFIGURATION
|
|
// -------------------------
|
|
|
|
/**
|
|
* Template directory
|
|
*
|
|
* @var string
|
|
*/
|
|
static $tpl_dir = "tpl/";
|
|
|
|
|
|
/**
|
|
* Cache directory. Is the directory where RainTPL will compile the template and save the cache
|
|
*
|
|
* @var string
|
|
*/
|
|
static $cache_dir = "tmp/";
|
|
|
|
|
|
/**
|
|
* Template base URL. RainTPL will add this URL to the relative paths of element selected in $path_replace_list.
|
|
*
|
|
* @var string
|
|
*/
|
|
static $base_url = null;
|
|
|
|
|
|
/**
|
|
* Template extension.
|
|
*
|
|
* @var string
|
|
*/
|
|
static $tpl_ext = "html";
|
|
|
|
|
|
/**
|
|
* Path replace is a cool features that replace all relative paths of images (<img src="...">), stylesheet (<link href="...">), script (<script src="...">) and link (<a href="...">)
|
|
* Set true to enable the path replace.
|
|
*
|
|
* @var unknown_type
|
|
*/
|
|
static $path_replace = true;
|
|
|
|
|
|
/**
|
|
* You can set what the path_replace method will replace.
|
|
* Avaible options: a, img, link, script, input
|
|
*
|
|
* @var array
|
|
*/
|
|
static $path_replace_list = array( 'a', 'img', 'link', 'script', 'input' );
|
|
|
|
|
|
/**
|
|
* You can define in the black list what string are disabled into the template tags
|
|
*
|
|
* @var unknown_type
|
|
*/
|
|
static $black_list = array( '\$this', 'raintpl::', 'self::', '_SESSION', '_SERVER', '_ENV', 'eval', 'exec', 'unlink', 'rmdir' );
|
|
|
|
|
|
/**
|
|
* Check template.
|
|
* true: checks template update time, if changed it compile them
|
|
* false: loads the compiled template. Set false if server doesn't have write permission for cache_directory.
|
|
*
|
|
*/
|
|
static $check_template_update = true;
|
|
|
|
|
|
/**
|
|
* PHP tags <? ?>
|
|
* True: php tags are enabled into the template
|
|
* False: php tags are disabled into the template and rendered as html
|
|
*
|
|
* @var bool
|
|
*/
|
|
static $php_enabled = false;
|
|
|
|
|
|
/**
|
|
* Debug mode flag.
|
|
* True: debug mode is used, syntax errors are displayed directly in template. Execution of script is not terminated.
|
|
* False: exception is thrown on found error.
|
|
*
|
|
* @var bool
|
|
*/
|
|
static $debug = false;
|
|
|
|
// -------------------------
|
|
|
|
|
|
// -------------------------
|
|
// RAINTPL VARIABLES
|
|
// -------------------------
|
|
|
|
/**
|
|
* Is the array where RainTPL keep the variables assigned
|
|
*
|
|
* @var array
|
|
*/
|
|
public $var = array();
|
|
|
|
protected $tpl = array(), // variables to keep the template directories and info
|
|
$cache = false, // static cache enabled / disabled
|
|
$cache_id = null; // identify only one cache
|
|
|
|
protected static $config_name_sum = array(); // takes all the config to create the md5 of the file
|
|
|
|
// -------------------------
|
|
|
|
|
|
|
|
const CACHE_EXPIRE_TIME = 3600; // default cache expire time = hour
|
|
|
|
|
|
|
|
/**
|
|
* Assign variable
|
|
* eg. $t->assign('name','mickey');
|
|
*
|
|
* @param mixed $variable_name Name of template variable or associative array name/value
|
|
* @param mixed $value value assigned to this variable. Not set if variable_name is an associative array
|
|
*/
|
|
|
|
function assign( $variable, $value = null ){
|
|
if( is_array( $variable ) )
|
|
$this->var += $variable;
|
|
else
|
|
$this->var[ $variable ] = $value;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Draw the template
|
|
* eg. $html = $tpl->draw( 'demo', TRUE ); // return template in string
|
|
* or $tpl->draw( $tpl_name ); // echo the template
|
|
*
|
|
* @param string $tpl_name template to load
|
|
* @param boolean $return_string true=return a string, false=echo the template
|
|
* @return string
|
|
*/
|
|
|
|
function draw( $tpl_name, $return_string = false ){
|
|
|
|
try {
|
|
// compile the template if necessary and set the template filepath
|
|
$this->check_template( $tpl_name );
|
|
} catch (RainTpl_Exception $e) {
|
|
$output = $this->printDebug($e);
|
|
die($output);
|
|
}
|
|
|
|
// Cache is off and, return_string is false
|
|
// Rain just echo the template
|
|
|
|
if( !$this->cache && !$return_string ){
|
|
extract( $this->var );
|
|
include $this->tpl['compiled_filename'];
|
|
unset( $this->tpl );
|
|
}
|
|
|
|
|
|
// cache or return_string are enabled
|
|
// rain get the output buffer to save the output in the cache or to return it as string
|
|
|
|
else{
|
|
|
|
//----------------------
|
|
// get the output buffer
|
|
//----------------------
|
|
ob_start();
|
|
extract( $this->var );
|
|
include $this->tpl['compiled_filename'];
|
|
$raintpl_contents = ob_get_clean();
|
|
//----------------------
|
|
|
|
|
|
// save the output in the cache
|
|
if( $this->cache )
|
|
file_put_contents( $this->tpl['cache_filename'], "<?php if(!class_exists('raintpl')){exit;}?>" . $raintpl_contents );
|
|
|
|
// free memory
|
|
unset( $this->tpl );
|
|
|
|
// return or print the template
|
|
if( $return_string ) return $raintpl_contents; else echo $raintpl_contents;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* If exists a valid cache for this template it returns the cache
|
|
*
|
|
* @param string $tpl_name Name of template (set the same of draw)
|
|
* @param int $expiration_time Set after how many seconds the cache expire and must be regenerated
|
|
* @return string it return the HTML or null if the cache must be recreated
|
|
*/
|
|
|
|
function cache( $tpl_name, $expire_time = self::CACHE_EXPIRE_TIME, $cache_id = null ){
|
|
|
|
// set the cache_id
|
|
$this->cache_id = $cache_id;
|
|
|
|
if( !$this->check_template( $tpl_name ) && file_exists( $this->tpl['cache_filename'] ) && ( time() - filemtime( $this->tpl['cache_filename'] ) < $expire_time ) )
|
|
return substr( file_get_contents( $this->tpl['cache_filename'] ), 43 );
|
|
else{
|
|
//delete the cache of the selected template
|
|
if (file_exists($this->tpl['cache_filename']))
|
|
unlink($this->tpl['cache_filename'] );
|
|
$this->cache = true;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Configure the settings of RainTPL
|
|
*
|
|
*/
|
|
static function configure( $setting, $value = null ){
|
|
if( is_array( $setting ) )
|
|
foreach( $setting as $key => $value )
|
|
self::configure( $key, $value );
|
|
else if( property_exists( __CLASS__, $setting ) ){
|
|
self::$$setting = $value;
|
|
self::$config_name_sum[ $setting ] = $value; // take trace of all config
|
|
}
|
|
}
|
|
|
|
|
|
|
|
// check if has to compile the template
|
|
// return true if the template has changed
|
|
protected function check_template( $tpl_name ){
|
|
|
|
if( !isset($this->tpl['checked']) ){
|
|
|
|
$tpl_basename = basename( $tpl_name ); // template basename
|
|
$tpl_basedir = strpos($tpl_name,"/") ? dirname($tpl_name) . '/' : null; // template basedirectory
|
|
$tpl_dir = self::$tpl_dir . $tpl_basedir; // template directory
|
|
$this->tpl['tpl_filename'] = $tpl_dir . $tpl_basename . '.' . self::$tpl_ext; // template filename
|
|
$temp_compiled_filename = self::$cache_dir . $tpl_basename . "." . md5( $tpl_dir . serialize(self::$config_name_sum));
|
|
$this->tpl['compiled_filename'] = $temp_compiled_filename . '.rtpl.php'; // cache filename
|
|
$this->tpl['cache_filename'] = $temp_compiled_filename . '.s_' . $this->cache_id . '.rtpl.php'; // static cache filename
|
|
|
|
// if the template doesn't exsist throw an error
|
|
if( self::$check_template_update && !file_exists( $this->tpl['tpl_filename'] ) ){
|
|
$e = new RainTpl_NotFoundException( 'Template '. $tpl_basename .' not found!' );
|
|
throw $e->setTemplateFile($this->tpl['tpl_filename']);
|
|
}
|
|
|
|
// file doesn't exsist, or the template was updated, Rain will compile the template
|
|
if( !file_exists( $this->tpl['compiled_filename'] ) || ( self::$check_template_update && filemtime($this->tpl['compiled_filename']) < filemtime( $this->tpl['tpl_filename'] ) ) ){
|
|
$this->compileFile( $tpl_basename, $tpl_basedir, $this->tpl['tpl_filename'], self::$cache_dir, $this->tpl['compiled_filename'] );
|
|
return true;
|
|
}
|
|
$this->tpl['checked'] = true;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* execute stripslaches() on the xml block. Invoqued by preg_replace_callback function below
|
|
* @access protected
|
|
*/
|
|
protected function xml_reSubstitution($capture) {
|
|
return "<?php echo '<?xml ".stripslashes($capture[1])." ?>'; ?>";
|
|
}
|
|
|
|
/**
|
|
* Compile and write the compiled template file
|
|
* @access protected
|
|
*/
|
|
protected function compileFile( $tpl_basename, $tpl_basedir, $tpl_filename, $cache_dir, $compiled_filename ){
|
|
|
|
//read template file
|
|
$this->tpl['source'] = $template_code = file_get_contents( $tpl_filename );
|
|
|
|
//xml substitution
|
|
$template_code = preg_replace( "/<\?xml(.*?)\?>/s", "##XML\\1XML##", $template_code );
|
|
|
|
//disable php tag
|
|
if( !self::$php_enabled )
|
|
$template_code = str_replace( array("<?","?>"), array("<?","?>"), $template_code );
|
|
|
|
//xml re-substitution
|
|
$template_code = preg_replace_callback ( "/##XML(.*?)XML##/s", array($this, 'xml_reSubstitution'), $template_code );
|
|
|
|
//compile template
|
|
$template_compiled = "<?php if(!class_exists('raintpl')){exit;}?>" . $this->compileTemplate( $template_code, $tpl_basedir );
|
|
|
|
|
|
// fix the php-eating-newline-after-closing-tag-problem
|
|
$template_compiled = str_replace( "?>\n", "?>\n\n", $template_compiled );
|
|
|
|
// create directories
|
|
if( !is_dir( $cache_dir ) )
|
|
mkdir( $cache_dir, 0755, true );
|
|
|
|
if( !is_writable( $cache_dir ) )
|
|
throw new RainTpl_Exception ('Cache directory ' . $cache_dir . 'doesn\'t have write permission. Set write permission or set RAINTPL_CHECK_TEMPLATE_UPDATE to false. More details on http://www.raintpl.com/Documentation/Documentation-for-PHP-developers/Configuration/');
|
|
|
|
//write compiled file
|
|
file_put_contents( $compiled_filename, $template_compiled );
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Compile template
|
|
* @access protected
|
|
*/
|
|
protected function compileTemplate( $template_code, $tpl_basedir ){
|
|
|
|
//tag list
|
|
$tag_regexp = array( 'loop' => '(\{loop(?: name){0,1}="\${0,1}[^"]*"\})',
|
|
'loop_close' => '(\{\/loop\})',
|
|
'if' => '(\{if(?: condition){0,1}="[^"]*"\})',
|
|
'elseif' => '(\{elseif(?: condition){0,1}="[^"]*"\})',
|
|
'else' => '(\{else\})',
|
|
'if_close' => '(\{\/if\})',
|
|
'function' => '(\{function="[^"]*"\})',
|
|
'noparse' => '(\{noparse\})',
|
|
'noparse_close'=> '(\{\/noparse\})',
|
|
'ignore' => '(\{ignore\}|\{\*)',
|
|
'ignore_close' => '(\{\/ignore\}|\*\})',
|
|
'include' => '(\{include="[^"]*"(?: cache="[^"]*")?\})',
|
|
'template_info'=> '(\{\$template_info\})',
|
|
'function' => '(\{function="(\w*?)(?:.*?)"\})'
|
|
);
|
|
|
|
$tag_regexp = "/" . join( "|", $tag_regexp ) . "/";
|
|
|
|
//split the code with the tags regexp
|
|
$template_code = preg_split ( $tag_regexp, $template_code, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY );
|
|
|
|
//path replace (src of img, background and href of link)
|
|
$template_code = $this->path_replace( $template_code, $tpl_basedir );
|
|
|
|
//compile the code
|
|
$compiled_code = $this->compileCode( $template_code );
|
|
|
|
//return the compiled code
|
|
return $compiled_code;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Compile the code
|
|
* @access protected
|
|
*/
|
|
protected function compileCode( $parsed_code ){
|
|
|
|
//variables initialization
|
|
$compiled_code = $open_if = $comment_is_open = $ignore_is_open = null;
|
|
$loop_level = 0;
|
|
|
|
//read all parsed code
|
|
while( $html = array_shift( $parsed_code ) ){
|
|
|
|
//close ignore tag
|
|
if( !$comment_is_open && ( strpos( $html, '{/ignore}' ) !== FALSE || strpos( $html, '*}' ) !== FALSE ) )
|
|
$ignore_is_open = false;
|
|
|
|
//code between tag ignore id deleted
|
|
elseif( $ignore_is_open ){
|
|
//ignore the code
|
|
}
|
|
|
|
//close no parse tag
|
|
elseif( strpos( $html, '{/noparse}' ) !== FALSE )
|
|
$comment_is_open = false;
|
|
|
|
//code between tag noparse is not compiled
|
|
elseif( $comment_is_open )
|
|
$compiled_code .= $html;
|
|
|
|
//ignore
|
|
elseif( strpos( $html, '{ignore}' ) !== FALSE || strpos( $html, '{*' ) !== FALSE )
|
|
$ignore_is_open = true;
|
|
|
|
//noparse
|
|
elseif( strpos( $html, '{noparse}' ) !== FALSE )
|
|
$comment_is_open = true;
|
|
|
|
//include tag
|
|
elseif( preg_match( '/\{include="([^"]*)"(?: cache="([^"]*)"){0,1}\}/', $html, $code ) ){
|
|
|
|
//variables substitution
|
|
$include_var = $this->var_replace( $code[ 1 ], $left_delimiter = null, $right_delimiter = null, $php_left_delimiter = '".' , $php_right_delimiter = '."', $loop_level );
|
|
|
|
// if the cache is active
|
|
if( isset($code[ 2 ]) ){
|
|
|
|
//dynamic include
|
|
$compiled_code .= '<?php $tpl = new '.get_class($this).';' .
|
|
'if( $cache = $tpl->cache( $template = basename("'.$include_var.'") ) )' .
|
|
' echo $cache;' .
|
|
'else{' .
|
|
' $tpl_dir_temp = self::$tpl_dir;' .
|
|
' $tpl->assign( $this->var );' .
|
|
( !$loop_level ? null : '$tpl->assign( "key", $key'.$loop_level.' ); $tpl->assign( "value", $value'.$loop_level.' );' ).
|
|
' $tpl->draw( dirname("'.$include_var.'") . ( substr("'.$include_var.'",-1,1) != "/" ? "/" : "" ) . basename("'.$include_var.'") );'.
|
|
'} ?>';
|
|
}
|
|
else{
|
|
|
|
//dynamic include
|
|
$compiled_code .= '<?php $tpl = new '.get_class($this).';' .
|
|
'$tpl_dir_temp = self::$tpl_dir;' .
|
|
'$tpl->assign( $this->var );' .
|
|
( !$loop_level ? null : '$tpl->assign( "key", $key'.$loop_level.' ); $tpl->assign( "value", $value'.$loop_level.' );' ).
|
|
'$tpl->draw( dirname("'.$include_var.'") . ( substr("'.$include_var.'",-1,1) != "/" ? "/" : "" ) . basename("'.$include_var.'") );'.
|
|
'?>';
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
//loop
|
|
elseif( preg_match( '/\{loop(?: name){0,1}="\${0,1}([^"]*)"\}/', $html, $code ) ){
|
|
|
|
//increase the loop counter
|
|
$loop_level++;
|
|
|
|
//replace the variable in the loop
|
|
$var = $this->var_replace( '$' . $code[ 1 ], $tag_left_delimiter=null, $tag_right_delimiter=null, $php_left_delimiter=null, $php_right_delimiter=null, $loop_level-1 );
|
|
|
|
//loop variables
|
|
$counter = "\$counter$loop_level"; // count iteration
|
|
$key = "\$key$loop_level"; // key
|
|
$value = "\$value$loop_level"; // value
|
|
|
|
//loop code
|
|
$compiled_code .= "<?php $counter=-1; if( isset($var) && is_array($var) && sizeof($var) ) foreach( $var as $key => $value ){ $counter++; ?>";
|
|
|
|
}
|
|
|
|
//close loop tag
|
|
elseif( strpos( $html, '{/loop}' ) !== FALSE ) {
|
|
|
|
//iterator
|
|
$counter = "\$counter$loop_level";
|
|
|
|
//decrease the loop counter
|
|
$loop_level--;
|
|
|
|
//close loop code
|
|
$compiled_code .= "<?php } ?>";
|
|
|
|
}
|
|
|
|
//if
|
|
elseif( preg_match( '/\{if(?: condition){0,1}="([^"]*)"\}/', $html, $code ) ){
|
|
|
|
//increase open if counter (for intendation)
|
|
$open_if++;
|
|
|
|
//tag
|
|
$tag = $code[ 0 ];
|
|
|
|
//condition attribute
|
|
$condition = $code[ 1 ];
|
|
|
|
// check if there's any function disabled by black_list
|
|
$this->function_check( $tag );
|
|
|
|
//variable substitution into condition (no delimiter into the condition)
|
|
$parsed_condition = $this->var_replace( $condition, $tag_left_delimiter = null, $tag_right_delimiter = null, $php_left_delimiter = null, $php_right_delimiter = null, $loop_level );
|
|
|
|
//if code
|
|
$compiled_code .= "<?php if( $parsed_condition ){ ?>";
|
|
|
|
}
|
|
|
|
//elseif
|
|
elseif( preg_match( '/\{elseif(?: condition){0,1}="([^"]*)"\}/', $html, $code ) ){
|
|
|
|
//tag
|
|
$tag = $code[ 0 ];
|
|
|
|
//condition attribute
|
|
$condition = $code[ 1 ];
|
|
|
|
//variable substitution into condition (no delimiter into the condition)
|
|
$parsed_condition = $this->var_replace( $condition, $tag_left_delimiter = null, $tag_right_delimiter = null, $php_left_delimiter = null, $php_right_delimiter = null, $loop_level );
|
|
|
|
//elseif code
|
|
$compiled_code .= "<?php }elseif( $parsed_condition ){ ?>";
|
|
}
|
|
|
|
//else
|
|
elseif( strpos( $html, '{else}' ) !== FALSE ) {
|
|
|
|
//else code
|
|
$compiled_code .= '<?php }else{ ?>';
|
|
|
|
}
|
|
|
|
//close if tag
|
|
elseif( strpos( $html, '{/if}' ) !== FALSE ) {
|
|
|
|
//decrease if counter
|
|
$open_if--;
|
|
|
|
// close if code
|
|
$compiled_code .= '<?php } ?>';
|
|
|
|
}
|
|
|
|
//function
|
|
elseif( preg_match( '/\{function="(\w*)(.*?)"\}/', $html, $code ) ){
|
|
|
|
//tag
|
|
$tag = $code[ 0 ];
|
|
|
|
//function
|
|
$function = $code[ 1 ];
|
|
|
|
// check if there's any function disabled by black_list
|
|
$this->function_check( $tag );
|
|
|
|
if( empty( $code[ 2 ] ) )
|
|
$parsed_function = $function . "()";
|
|
else
|
|
// parse the function
|
|
$parsed_function = $function . $this->var_replace( $code[ 2 ], $tag_left_delimiter = null, $tag_right_delimiter = null, $php_left_delimiter = null, $php_right_delimiter = null, $loop_level );
|
|
|
|
//if code
|
|
$compiled_code .= "<?php echo $parsed_function; ?>";
|
|
}
|
|
|
|
// show all vars
|
|
elseif ( strpos( $html, '{$template_info}' ) !== FALSE ) {
|
|
|
|
//tag
|
|
$tag = '{$template_info}';
|
|
|
|
//if code
|
|
$compiled_code .= '<?php echo "<pre>"; print_r( $this->var ); echo "</pre>"; ?>';
|
|
}
|
|
|
|
|
|
//all html code
|
|
else{
|
|
|
|
//variables substitution (es. {$title})
|
|
$html = $this->var_replace( $html, $left_delimiter = '\{', $right_delimiter = '\}', $php_left_delimiter = '<?php ', $php_right_delimiter = ';?>', $loop_level, $echo = true );
|
|
//const substitution (es. {#CONST#})
|
|
$html = $this->const_replace( $html, $left_delimiter = '\{', $right_delimiter = '\}', $php_left_delimiter = '<?php ', $php_right_delimiter = ';?>', $loop_level, $echo = true );
|
|
//functions substitution (es. {"string"|functions})
|
|
$compiled_code .= $this->func_replace( $html, $left_delimiter = '\{', $right_delimiter = '\}', $php_left_delimiter = '<?php ', $php_right_delimiter = ';?>', $loop_level, $echo = true );
|
|
}
|
|
}
|
|
|
|
if( $open_if > 0 ) {
|
|
$e = new RainTpl_SyntaxException('Error! You need to close an {if} tag in ' . $this->tpl['tpl_filename'] . ' template');
|
|
throw $e->setTemplateFile($this->tpl['tpl_filename']);
|
|
}
|
|
return $compiled_code;
|
|
}
|
|
|
|
|
|
/**
|
|
* Reduce a path, eg. www/library/../filepath//file => www/filepath/file
|
|
* @param type $path
|
|
* @return type
|
|
*/
|
|
protected function reduce_path( $path ){
|
|
$path = str_replace( "://", "@not_replace@", $path );
|
|
$path = str_replace( "//", "/", $path );
|
|
$path = str_replace( "@not_replace@", "://", $path );
|
|
return preg_replace('/\w+\/\.\.\//', '', $path );
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* replace the path of image src, link href and a href.
|
|
* url => template_dir/url
|
|
* url# => url
|
|
* http://url => http://url
|
|
*
|
|
* @param string $html
|
|
* @return string html sostituito
|
|
*/
|
|
protected function path_replace( $html, $tpl_basedir ){
|
|
|
|
if( self::$path_replace ){
|
|
|
|
$tpl_dir = self::$base_url . self::$tpl_dir . $tpl_basedir;
|
|
|
|
// reduce the path
|
|
$path = $this->reduce_path($tpl_dir);
|
|
|
|
$exp = $sub = array();
|
|
|
|
if( in_array( "img", self::$path_replace_list ) ){
|
|
$exp = array( '/<img(.*?)src=(?:")(http|https)\:\/\/([^"]+?)(?:")/i', '/<img(.*?)src=(?:")([^"]+?)#(?:")/i', '/<img(.*?)src="(.*?)"/', '/<img(.*?)src=(?:\@)([^"]+?)(?:\@)/i' );
|
|
$sub = array( '<img$1src=@$2://$3@', '<img$1src=@$2@', '<img$1src="' . $path . '$2"', '<img$1src="$2"' );
|
|
}
|
|
|
|
if( in_array( "script", self::$path_replace_list ) ){
|
|
$exp = array_merge( $exp , array( '/<script(.*?)src=(?:")(http|https)\:\/\/([^"]+?)(?:")/i', '/<script(.*?)src=(?:")([^"]+?)#(?:")/i', '/<script(.*?)src="(.*?)"/', '/<script(.*?)src=(?:\@)([^"]+?)(?:\@)/i' ) );
|
|
$sub = array_merge( $sub , array( '<script$1src=@$2://$3@', '<script$1src=@$2@', '<script$1src="' . $path . '$2"', '<script$1src="$2"' ) );
|
|
}
|
|
|
|
if( in_array( "link", self::$path_replace_list ) ){
|
|
$exp = array_merge( $exp , array( '/<link(.*?)href=(?:")(http|https)\:\/\/([^"]+?)(?:")/i', '/<link(.*?)href=(?:")([^"]+?)#(?:")/i', '/<link(.*?)href="(.*?)"/', '/<link(.*?)href=(?:\@)([^"]+?)(?:\@)/i' ) );
|
|
$sub = array_merge( $sub , array( '<link$1href=@$2://$3@', '<link$1href=@$2@' , '<link$1href="' . $path . '$2"', '<link$1href="$2"' ) );
|
|
}
|
|
|
|
if( in_array( "a", self::$path_replace_list ) ){
|
|
$exp = array_merge( $exp , array( '/<a(.*?)href=(?:")(http\:\/\/|https\:\/\/|javascript:)([^"]+?)(?:")/i', '/<a(.*?)href="(.*?)"/', '/<a(.*?)href=(?:\@)([^"]+?)(?:\@)/i' ) );
|
|
$sub = array_merge( $sub , array( '<a$1href=@$2$3@', '<a$1href="' . self::$base_url . '$2"', '<a$1href="$2"' ) );
|
|
}
|
|
|
|
if( in_array( "input", self::$path_replace_list ) ){
|
|
$exp = array_merge( $exp , array( '/<input(.*?)src=(?:")(http|https)\:\/\/([^"]+?)(?:")/i', '/<input(.*?)src=(?:")([^"]+?)#(?:")/i', '/<input(.*?)src="(.*?)"/', '/<input(.*?)src=(?:\@)([^"]+?)(?:\@)/i' ) );
|
|
$sub = array_merge( $sub , array( '<input$1src=@$2://$3@', '<input$1src=@$2@', '<input$1src="' . $path . '$2"', '<input$1src="$2"' ) );
|
|
}
|
|
|
|
return preg_replace( $exp, $sub, $html );
|
|
|
|
}
|
|
else
|
|
return $html;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// replace const
|
|
function const_replace( $html, $tag_left_delimiter, $tag_right_delimiter, $php_left_delimiter = null, $php_right_delimiter = null, $loop_level = null, $echo = null ){
|
|
// const
|
|
return preg_replace( '/\{\#(\w+)\#{0,1}\}/', $php_left_delimiter . ( $echo ? " echo " : null ) . '\\1' . $php_right_delimiter, $html );
|
|
}
|
|
|
|
|
|
|
|
// replace functions/modifiers on constants and strings
|
|
function func_replace( $html, $tag_left_delimiter, $tag_right_delimiter, $php_left_delimiter = null, $php_right_delimiter = null, $loop_level = null, $echo = null ){
|
|
|
|
preg_match_all( '/' . '\{\#{0,1}(\"{0,1}.*?\"{0,1})(\|\w.*?)\#{0,1}\}' . '/', $html, $matches );
|
|
|
|
for( $i=0, $n=count($matches[0]); $i<$n; $i++ ){
|
|
|
|
//complete tag ex: {$news.title|substr:0,100}
|
|
$tag = $matches[ 0 ][ $i ];
|
|
|
|
//variable name ex: news.title
|
|
$var = $matches[ 1 ][ $i ];
|
|
|
|
//function and parameters associate to the variable ex: substr:0,100
|
|
$extra_var = $matches[ 2 ][ $i ];
|
|
|
|
// check if there's any function disabled by black_list
|
|
$this->function_check( $tag );
|
|
|
|
$extra_var = $this->var_replace( $extra_var, null, null, null, null, $loop_level );
|
|
|
|
|
|
// check if there's an operator = in the variable tags, if there's this is an initialization so it will not output any value
|
|
$is_init_variable = preg_match( "/^(\s*?)\=[^=](.*?)$/", $extra_var );
|
|
|
|
//function associate to variable
|
|
$function_var = ( $extra_var and $extra_var[0] == '|') ? substr( $extra_var, 1 ) : null;
|
|
|
|
//variable path split array (ex. $news.title o $news[title]) or object (ex. $news->title)
|
|
$temp = preg_split( "/\.|\[|\-\>/", $var );
|
|
|
|
//variable name
|
|
$var_name = $temp[ 0 ];
|
|
|
|
//variable path
|
|
$variable_path = substr( $var, strlen( $var_name ) );
|
|
|
|
//parentesis transform [ e ] in [" e in "]
|
|
$variable_path = str_replace( '[', '["', $variable_path );
|
|
$variable_path = str_replace( ']', '"]', $variable_path );
|
|
|
|
//transform .$variable in ["$variable"]
|
|
$variable_path = preg_replace('/\.\$(\w+)/', '["$\\1"]', $variable_path );
|
|
|
|
//transform [variable] in ["variable"]
|
|
$variable_path = preg_replace('/\.(\w+)/', '["\\1"]', $variable_path );
|
|
|
|
//if there's a function
|
|
if( $function_var ){
|
|
|
|
// check if there's a function or a static method and separate, function by parameters
|
|
$function_var = str_replace("::", "@double_dot@", $function_var );
|
|
|
|
// get the position of the first :
|
|
if( $dot_position = strpos( $function_var, ":" ) ){
|
|
|
|
// get the function and the parameters
|
|
$function = substr( $function_var, 0, $dot_position );
|
|
$params = substr( $function_var, $dot_position+1 );
|
|
|
|
}
|
|
else{
|
|
|
|
//get the function
|
|
$function = str_replace( "@double_dot@", "::", $function_var );
|
|
$params = null;
|
|
|
|
}
|
|
|
|
// replace back the @double_dot@ with ::
|
|
$function = str_replace( "@double_dot@", "::", $function );
|
|
$params = str_replace( "@double_dot@", "::", $params );
|
|
|
|
|
|
}
|
|
else
|
|
$function = $params = null;
|
|
|
|
$php_var = $var_name . $variable_path;
|
|
|
|
// compile the variable for php
|
|
if( isset( $function ) ){
|
|
if( $php_var )
|
|
$php_var = $php_left_delimiter . ( !$is_init_variable && $echo ? 'echo ' : null ) . ( $params ? "( $function( $php_var, $params ) )" : "$function( $php_var )" ) . $php_right_delimiter;
|
|
else
|
|
$php_var = $php_left_delimiter . ( !$is_init_variable && $echo ? 'echo ' : null ) . ( $params ? "( $function( $params ) )" : "$function()" ) . $php_right_delimiter;
|
|
}
|
|
else
|
|
$php_var = $php_left_delimiter . ( !$is_init_variable && $echo ? 'echo ' : null ) . $php_var . $extra_var . $php_right_delimiter;
|
|
|
|
$html = str_replace( $tag, $php_var, $html );
|
|
|
|
}
|
|
|
|
return $html;
|
|
|
|
}
|
|
|
|
|
|
|
|
function var_replace( $html, $tag_left_delimiter, $tag_right_delimiter, $php_left_delimiter = null, $php_right_delimiter = null, $loop_level = null, $echo = null ){
|
|
|
|
//all variables
|
|
if( preg_match_all( '/' . $tag_left_delimiter . '\$(\w+(?:\.\${0,1}[A-Za-z0-9_]+)*(?:(?:\[\${0,1}[A-Za-z0-9_]+\])|(?:\-\>\${0,1}[A-Za-z0-9_]+))*)(.*?)' . $tag_right_delimiter . '/', $html, $matches ) ){
|
|
|
|
for( $parsed=array(), $i=0, $n=count($matches[0]); $i<$n; $i++ )
|
|
$parsed[$matches[0][$i]] = array('var'=>$matches[1][$i],'extra_var'=>$matches[2][$i]);
|
|
|
|
foreach( $parsed as $tag => $array ){
|
|
|
|
//variable name ex: news.title
|
|
$var = $array['var'];
|
|
|
|
//function and parameters associate to the variable ex: substr:0,100
|
|
$extra_var = $array['extra_var'];
|
|
|
|
// check if there's any function disabled by black_list
|
|
$this->function_check( $tag );
|
|
|
|
$extra_var = $this->var_replace( $extra_var, null, null, null, null, $loop_level );
|
|
|
|
// check if there's an operator = in the variable tags, if there's this is an initialization so it will not output any value
|
|
$is_init_variable = preg_match( "/^[a-z_A-Z\.\[\](\-\>)]*=[^=]*$/", $extra_var );
|
|
|
|
//function associate to variable
|
|
$function_var = ( $extra_var and $extra_var[0] == '|') ? substr( $extra_var, 1 ) : null;
|
|
|
|
//variable path split array (ex. $news.title o $news[title]) or object (ex. $news->title)
|
|
$temp = preg_split( "/\.|\[|\-\>/", $var );
|
|
|
|
//variable name
|
|
$var_name = $temp[ 0 ];
|
|
|
|
//variable path
|
|
$variable_path = substr( $var, strlen( $var_name ) );
|
|
|
|
//parentesis transform [ e ] in [" e in "]
|
|
$variable_path = str_replace( '[', '["', $variable_path );
|
|
$variable_path = str_replace( ']', '"]', $variable_path );
|
|
|
|
//transform .$variable in ["$variable"] and .variable in ["variable"]
|
|
$variable_path = preg_replace('/\.(\${0,1}\w+)/', '["\\1"]', $variable_path );
|
|
|
|
// if is an assignment also assign the variable to $this->var['value']
|
|
if( $is_init_variable )
|
|
$extra_var = "=\$this->var['{$var_name}']{$variable_path}" . $extra_var;
|
|
|
|
|
|
|
|
//if there's a function
|
|
if( $function_var ){
|
|
|
|
// check if there's a function or a static method and separate, function by parameters
|
|
$function_var = str_replace("::", "@double_dot@", $function_var );
|
|
|
|
|
|
// get the position of the first :
|
|
if( $dot_position = strpos( $function_var, ":" ) ){
|
|
|
|
// get the function and the parameters
|
|
$function = substr( $function_var, 0, $dot_position );
|
|
$params = substr( $function_var, $dot_position+1 );
|
|
|
|
}
|
|
else{
|
|
|
|
//get the function
|
|
$function = str_replace( "@double_dot@", "::", $function_var );
|
|
$params = null;
|
|
|
|
}
|
|
|
|
// replace back the @double_dot@ with ::
|
|
$function = str_replace( "@double_dot@", "::", $function );
|
|
$params = str_replace( "@double_dot@", "::", $params );
|
|
}
|
|
else
|
|
$function = $params = null;
|
|
|
|
//if it is inside a loop
|
|
if( $loop_level ){
|
|
//verify the variable name
|
|
if( $var_name == 'key' )
|
|
$php_var = '$key' . $loop_level;
|
|
elseif( $var_name == 'value' )
|
|
$php_var = '$value' . $loop_level . $variable_path;
|
|
elseif( $var_name == 'counter' )
|
|
$php_var = '$counter' . $loop_level;
|
|
else
|
|
$php_var = '$' . $var_name . $variable_path;
|
|
}else
|
|
$php_var = '$' . $var_name . $variable_path;
|
|
|
|
// compile the variable for php
|
|
if( isset( $function ) )
|
|
$php_var = $php_left_delimiter . ( !$is_init_variable && $echo ? 'echo ' : null ) . ( $params ? "( $function( $php_var, $params ) )" : "$function( $php_var )" ) . $php_right_delimiter;
|
|
else
|
|
$php_var = $php_left_delimiter . ( !$is_init_variable && $echo ? 'echo ' : null ) . $php_var . $extra_var . $php_right_delimiter;
|
|
|
|
$html = str_replace( $tag, $php_var, $html );
|
|
|
|
|
|
}
|
|
}
|
|
|
|
return $html;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Check if function is in black list (sandbox)
|
|
*
|
|
* @param string $code
|
|
* @param string $tag
|
|
*/
|
|
protected function function_check( $code ){
|
|
|
|
$preg = '#(\W|\s)' . implode( '(\W|\s)|(\W|\s)', self::$black_list ) . '(\W|\s)#';
|
|
|
|
// check if the function is in the black list (or not in white list)
|
|
if( count(self::$black_list) && preg_match( $preg, $code, $match ) ){
|
|
|
|
// find the line of the error
|
|
$line = 0;
|
|
$rows=explode("\n",$this->tpl['source']);
|
|
while( !strpos($rows[$line],$code) )
|
|
$line++;
|
|
|
|
// stop the execution of the script
|
|
$e = new RainTpl_SyntaxException('Unallowed syntax in ' . $this->tpl['tpl_filename'] . ' template');
|
|
throw $e->setTemplateFile($this->tpl['tpl_filename'])
|
|
->setTag($code)
|
|
->setTemplateLine($line);
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Prints debug info about exception or passes it further if debug is disabled.
|
|
*
|
|
* @param RainTpl_Exception $e
|
|
* @return string
|
|
*/
|
|
protected function printDebug(RainTpl_Exception $e){
|
|
if (!self::$debug) {
|
|
throw $e;
|
|
}
|
|
$output = sprintf('<h2>Exception: %s</h2><h3>%s</h3><p>template: %s</p>',
|
|
get_class($e),
|
|
$e->getMessage(),
|
|
$e->getTemplateFile()
|
|
);
|
|
if ($e instanceof RainTpl_SyntaxException) {
|
|
if (null != $e->getTemplateLine()) {
|
|
$output .= '<p>line: ' . $e->getTemplateLine() . '</p>';
|
|
}
|
|
if (null != $e->getTag()) {
|
|
$output .= '<p>in tag: ' . htmlspecialchars($e->getTag()) . '</p>';
|
|
}
|
|
if (null != $e->getTemplateLine() && null != $e->getTag()) {
|
|
$rows=explode("\n", htmlspecialchars($this->tpl['source']));
|
|
$rows[$e->getTemplateLine()] = '<font color=red>' . $rows[$e->getTemplateLine()] . '</font>';
|
|
$output .= '<h3>template code</h3>' . implode('<br />', $rows) . '</pre>';
|
|
}
|
|
}
|
|
$output .= sprintf('<h3>trace</h3><p>In %s on line %d</p><pre>%s</pre>',
|
|
$e->getFile(), $e->getLine(),
|
|
nl2br(htmlspecialchars($e->getTraceAsString()))
|
|
);
|
|
return $output;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Basic Rain tpl exception.
|
|
*/
|
|
class RainTpl_Exception extends Exception{
|
|
/**
|
|
* Path of template file with error.
|
|
*/
|
|
protected $templateFile = '';
|
|
|
|
/**
|
|
* Returns path of template file with error.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getTemplateFile()
|
|
{
|
|
return $this->templateFile;
|
|
}
|
|
|
|
/**
|
|
* Sets path of template file with error.
|
|
*
|
|
* @param string $templateFile
|
|
* @return RainTpl_Exception
|
|
*/
|
|
public function setTemplateFile($templateFile)
|
|
{
|
|
$this->templateFile = (string) $templateFile;
|
|
return $this;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Exception thrown when template file does not exists.
|
|
*/
|
|
class RainTpl_NotFoundException extends RainTpl_Exception{
|
|
}
|
|
|
|
/**
|
|
* Exception thrown when syntax error occurs.
|
|
*/
|
|
class RainTpl_SyntaxException extends RainTpl_Exception{
|
|
/**
|
|
* Line in template file where error has occured.
|
|
*
|
|
* @var int | null
|
|
*/
|
|
protected $templateLine = null;
|
|
|
|
/**
|
|
* Tag which caused an error.
|
|
*
|
|
* @var string | null
|
|
*/
|
|
protected $tag = null;
|
|
|
|
/**
|
|
* Returns line in template file where error has occured
|
|
* or null if line is not defined.
|
|
*
|
|
* @return int | null
|
|
*/
|
|
public function getTemplateLine()
|
|
{
|
|
return $this->templateLine;
|
|
}
|
|
|
|
/**
|
|
* Sets line in template file where error has occured.
|
|
*
|
|
* @param int $templateLine
|
|
* @return RainTpl_SyntaxException
|
|
*/
|
|
public function setTemplateLine($templateLine)
|
|
{
|
|
$this->templateLine = (int) $templateLine;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Returns tag which caused an error.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getTag()
|
|
{
|
|
return $this->tag;
|
|
}
|
|
|
|
/**
|
|
* Sets tag which caused an error.
|
|
*
|
|
* @param string $tag
|
|
* @return RainTpl_SyntaxException
|
|
*/
|
|
public function setTag($tag)
|
|
{
|
|
$this->tag = (string) $tag;
|
|
return $this;
|
|
}
|
|
}
|
|
|
|
// -- end
|