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-rw-r--r--system/core/Common.php50
-rw-r--r--system/core/Config.php14
-rw-r--r--system/core/Input.php31
-rw-r--r--system/core/Loader.php59
-rw-r--r--system/core/Output.php6
-rw-r--r--system/core/Security.php27
6 files changed, 139 insertions, 48 deletions
diff --git a/system/core/Common.php b/system/core/Common.php
index c309d4192..e449dd2e0 100644
--- a/system/core/Common.php
+++ b/system/core/Common.php
@@ -172,7 +172,7 @@ if ( ! function_exists('load_class'))
if ($name === FALSE)
{
// Note: We use exit() rather then show_error() in order to avoid a
- // self-referencing loop with the Excptions class
+ // self-referencing loop with the Exceptions class
set_status_header(503);
exit('Unable to locate the specified class: '.$class.'.php');
}
@@ -488,13 +488,9 @@ if ( ! function_exists('set_status_header'))
{
header('Status: '.$code.' '.$text, TRUE);
}
- elseif ($server_protocol === 'HTTP/1.0')
- {
- header('HTTP/1.0 '.$code.' '.$text, TRUE, $code);
- }
else
{
- header('HTTP/1.1 '.$code.' '.$text, TRUE, $code);
+ header(($server_protocol ? $server_protocol : 'HTTP/1.1').' '.$code.' '.$text, TRUE, $code);
}
}
}
@@ -526,7 +522,8 @@ if ( ! function_exists('_exception_handler'))
// Should we display the error? We'll get the current error_reporting
// level and add its bits with the severity bits to find out.
- if (($severity & error_reporting()) === $severity)
+ // And respect display_errors
+ if (($severity & error_reporting()) === $severity && (bool) ini_get('display_errors') === TRUE)
{
$_error->show_php_error($severity, $message, $filepath, $line);
}
@@ -597,5 +594,44 @@ if ( ! function_exists('html_escape'))
}
}
+// ------------------------------------------------------------------------
+
+if ( ! function_exists('_stringify_attributes'))
+{
+ /**
+ * Stringify attributes for use in HTML tags.
+ *
+ * Helper function used to convert a string, array, or object
+ * of attributes to a string.
+ *
+ * @param mixed string, array, object
+ * @param bool
+ * @return string
+ */
+ function _stringify_attributes($attributes, $js = FALSE)
+ {
+ $atts = NULL;
+
+ if (empty($attributes))
+ {
+ return $atts;
+ }
+
+ if (is_string($attributes))
+ {
+ return ' '.$attributes;
+ }
+
+ $attributes = (array) $attributes;
+
+ foreach ($attributes as $key => $val)
+ {
+ $atts .= ($js) ? $key.'='.$val.',' : ' '.$key.'="'.$val.'"';
+ }
+
+ return rtrim($atts, ',');
+ }
+}
+
/* End of file Common.php */
/* Location: ./system/core/Common.php */ \ No newline at end of file
diff --git a/system/core/Config.php b/system/core/Config.php
index 4b4e5a7ba..8e4f998ef 100644
--- a/system/core/Config.php
+++ b/system/core/Config.php
@@ -43,7 +43,7 @@ class CI_Config {
*
* @var array
*/
- public $config = array();
+ public $config = array();
/**
* List of all loaded config files
@@ -103,12 +103,12 @@ class CI_Config {
$file = ($file === '') ? 'config' : str_replace('.php', '', $file);
$found = $loaded = FALSE;
+ $check_locations = defined('ENVIRONMENT')
+ ? array(ENVIRONMENT.'/'.$file, $file)
+ : array($file);
+
foreach ($this->_config_paths as $path)
{
- $check_locations = defined('ENVIRONMENT')
- ? array(ENVIRONMENT.'/'.$file, $file)
- : array($file);
-
foreach ($check_locations as $location)
{
$file_path = $path.'config/'.$location.'.php';
@@ -172,7 +172,7 @@ class CI_Config {
{
return FALSE;
}
- show_error('The configuration file '.$file.'.php'.' does not exist.');
+ show_error('The configuration file '.$file.'.php does not exist.');
}
return TRUE;
@@ -271,7 +271,7 @@ class CI_Config {
*/
public function base_url($uri = '')
{
- return $this->slash_item('base_url').ltrim($this->_uri_string($uri),'/');
+ return $this->slash_item('base_url').ltrim($this->_uri_string($uri), '/');
}
// -------------------------------------------------------------
diff --git a/system/core/Input.php b/system/core/Input.php
index 162e40c85..657fce625 100644
--- a/system/core/Input.php
+++ b/system/core/Input.php
@@ -330,10 +330,37 @@ class CI_Input {
if (config_item('proxy_ips') != '' && $this->server('HTTP_X_FORWARDED_FOR') && $this->server('REMOTE_ADDR'))
{
+ $has_ranges = strpos($proxies, '/') !== FALSE;
$proxies = preg_split('/[\s,]/', config_item('proxy_ips'), -1, PREG_SPLIT_NO_EMPTY);
$proxies = is_array($proxies) ? $proxies : array($proxies);
- $this->ip_address = in_array($_SERVER['REMOTE_ADDR'], $proxies) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : $_SERVER['REMOTE_ADDR'];
+ if ($has_ranges)
+ {
+ $long_ip = ip2long($_SERVER['REMOTE_ADDR']);
+ $bit_32 = 1 << 32;
+
+ // Go through each of the IP Addresses to check for and
+ // test against range notation
+ foreach ($proxies as $ip)
+ {
+ list($address, $mask_length) = explode('/', $ip, 2);
+
+ // Generate the bitmask for a 32 bit IP Address
+ $bitmask = $bit_32 - (1 << (32 - (int) $mask_length));
+ if (($long_ip & $bitmask) === $address)
+ {
+ $this->ip_address = $_SERVER['HTTP_X_FORWARDED_FOR'];
+ break;
+ }
+ }
+
+ }
+ else
+ {
+ $this->ip_address = in_array($_SERVER['REMOTE_ADDR'], $proxies)
+ ? $_SERVER['HTTP_X_FORWARDED_FOR']
+ : $_SERVER['REMOTE_ADDR'];
+ }
}
elseif ( ! $this->server('HTTP_CLIENT_IP') && $this->server('REMOTE_ADDR'))
{
@@ -360,7 +387,7 @@ class CI_Input {
if (strpos($this->ip_address, ',') !== FALSE)
{
$x = explode(',', $this->ip_address);
- $this->ip_address = trim(end($x));
+ $this->ip_address = trim($x[0]);
}
if ( ! $this->valid_ip($this->ip_address))
diff --git a/system/core/Loader.php b/system/core/Loader.php
index 94739c74a..75e93608a 100644
--- a/system/core/Loader.php
+++ b/system/core/Loader.php
@@ -237,9 +237,9 @@ class CI_Loader {
{
if (is_array($model))
{
- foreach ($model as $babe)
+ foreach ($model as $class)
{
- $this->model($babe);
+ $this->model($class);
}
return;
}
@@ -409,8 +409,8 @@ class CI_Loader {
* 1. The name of the "view" file to be included.
* 2. An associative array of data to be extracted for use in the view.
* 3. TRUE/FALSE - whether to return the data or load it. In
- * some cases it's advantageous to be able to return data so that
- * a developer can process it in some way.
+ * some cases it's advantageous to be able to return data so that
+ * a developer can process it in some way.
*
* @param string
* @param array
@@ -633,13 +633,7 @@ class CI_Loader {
{
$this->driver($driver);
}
- return FALSE;
- }
-
- if ( ! class_exists('CI_Driver_Library'))
- {
- // we aren't instantiating an object here, that'll be done by the Library itself
- require BASEPATH.'libraries/Driver.php';
+ return;
}
if ($library === '')
@@ -785,11 +779,11 @@ class CI_Loader {
$_ci_ext = pathinfo($_ci_view, PATHINFO_EXTENSION);
$_ci_file = ($_ci_ext === '') ? $_ci_view.'.php' : $_ci_view;
- foreach ($this->_ci_view_paths as $view_file => $cascade)
+ foreach ($this->_ci_view_paths as $_ci_view_file => $cascade)
{
- if (file_exists($view_file.$_ci_file))
+ if (file_exists($_ci_view_file.$_ci_file))
{
- $_ci_path = $view_file.$_ci_file;
+ $_ci_path = $_ci_view_file.$_ci_file;
$file_exists = TRUE;
break;
}
@@ -820,7 +814,7 @@ class CI_Loader {
/*
* Extract and cache variables
*
- * You can either set variables using the dedicated $this->load_vars()
+ * You can either set variables using the dedicated $this->load->vars()
* function or via the second parameter of this function. We'll merge
* the two types and cache them so that views that are embedded within
* other views can have access to these variables.
@@ -837,10 +831,10 @@ class CI_Loader {
* We buffer the output for two reasons:
* 1. Speed. You get a significant speed boost.
* 2. So that the final rendered template can be post-processed by
- * the output class. Why do we need post processing? For one thing,
- * in order to show the elapsed page load time. Unless we can
- * intercept the content right before it's sent to the browser and
- * then stop the timer it won't be accurate.
+ * the output class. Why do we need post processing? For one thing,
+ * in order to show the elapsed page load time. Unless we can
+ * intercept the content right before it's sent to the browser and
+ * then stop the timer it won't be accurate.
*/
ob_start();
@@ -915,6 +909,13 @@ class CI_Loader {
// Get the filename from the path
$class = substr($class, $last_slash);
+
+ // Check for match and driver base class
+ if (strtolower(trim($subdir, '/')) == strtolower($class) && ! class_exists('CI_Driver_Library'))
+ {
+ // We aren't instantiating an object here, just making the base class available
+ require BASEPATH.'libraries/Driver.php';
+ }
}
// We'll test for both lowercase and capitalized versions of the file name
@@ -996,14 +997,19 @@ class CI_Loader {
$this->_ci_loaded_files[] = $filepath;
return $this->_ci_init_class($class, '', $params, $object_name);
}
-
} // END FOREACH
// One last attempt. Maybe the library is in a subdirectory, but it wasn't specified?
if ($subdir === '')
{
$path = strtolower($class).'/'.$class;
- return $this->_ci_load_class($path, $params);
+ return $this->_ci_load_class($path, $params, $object_name);
+ }
+ else if (ucfirst($subdir) != $subdir)
+ {
+ // Lowercase subdir failed - retry capitalized
+ $path = ucfirst($subdir).$class;
+ return $this->_ci_load_class($path, $params, $object_name);
}
// If we got this far we were unable to find the requested class.
@@ -1091,7 +1097,7 @@ class CI_Loader {
if ( ! class_exists($name))
{
log_message('error', 'Non-existent class: '.$name);
- show_error('Non-existent class: '.$class);
+ show_error('Non-existent class: '.$name);
}
// Set the variable name we will assign the class to
@@ -1193,6 +1199,15 @@ class CI_Loader {
}
}
+ // Autoload drivers
+ if (isset($autoload['drivers']))
+ {
+ foreach ($autoload['drivers'] as $item)
+ {
+ $this->driver($item);
+ }
+ }
+
// Autoload models
if (isset($autoload['model']))
{
diff --git a/system/core/Output.php b/system/core/Output.php
index 5ec8c4bc0..052367ed6 100644
--- a/system/core/Output.php
+++ b/system/core/Output.php
@@ -552,13 +552,13 @@ class CI_Output {
fclose($fp);
// Strip out the embedded timestamp
- if ( ! preg_match('/(\d+TS--->)/', $cache, $match))
+ if ( ! preg_match('/^(\d+)TS--->/', $cache, $match))
{
return FALSE;
}
$last_modified = filemtime($cache_path);
- $expire = trim(str_replace('TS--->', '', $match[1]));
+ $expire = $match[1];
// Has the file expired?
if ($_SERVER['REQUEST_TIME'] >= $expire && is_really_writable($cache_path))
@@ -575,7 +575,7 @@ class CI_Output {
}
// Display the cache
- $this->_display(str_replace($match[0], '', $cache));
+ $this->_display(substr($cache, strlen($match[0])));
log_message('debug', 'Cache file is current. Sending it to browser.');
return TRUE;
}
diff --git a/system/core/Security.php b/system/core/Security.php
index 4593a1090..b22d2cf19 100644
--- a/system/core/Security.php
+++ b/system/core/Security.php
@@ -395,20 +395,20 @@ class CI_Security {
if (preg_match('/<a/i', $str))
{
- $str = preg_replace_callback('#<a\s+([^>]*?)(>|$)#si', array($this, '_js_link_removal'), $str);
+ $str = preg_replace_callback('#<a\s+([^>]*?)(?:>|$)#si', array($this, '_js_link_removal'), $str);
}
if (preg_match('/<img/i', $str))
{
- $str = preg_replace_callback('#<img\s+([^>]*?)(\s?/?>|$)#si', array($this, '_js_img_removal'), $str);
+ $str = preg_replace_callback('#<img\s+([^>]*?)(?:\s?/?>|$)#si', array($this, '_js_img_removal'), $str);
}
- if (preg_match('/(script|xss)/i', $str))
+ if (preg_match('/script|xss/i', $str))
{
- $str = preg_replace('#<(/*)(script|xss)(.*?)\>#si', '[removed]', $str);
+ $str = preg_replace('#</*(?:script|xss).*?>#si', '[removed]', $str);
}
}
- while($original !== $str);
+ while ($original !== $str);
unset($original);
@@ -561,6 +561,19 @@ class CI_Security {
// ----------------------------------------------------------------
/**
+ * Strip Image Tags
+ *
+ * @param string
+ * @return string
+ */
+ public function strip_image_tags($str)
+ {
+ return preg_replace(array('#<img\s+.*?src\s*=\s*["\'](.+?)["\'].*?\>#', '#<img\s+.*?src\s*=\s*(.+?).*?\>#'), '\\1', $str);
+ }
+
+ // ----------------------------------------------------------------
+
+ /**
* Compact Exploded Words
*
* Callback function for xss_clean() to remove whitespace from
@@ -670,7 +683,7 @@ class CI_Security {
protected function _js_link_removal($match)
{
return str_replace($match[1],
- preg_replace('#href=.*?(alert\(|alert&\#40;|javascript\:|livescript\:|mocha\:|charset\=|window\.|document\.|\.cookie|<script|<xss|data\s*:)#si',
+ preg_replace('#href=.*?(?:alert\(|alert&\#40;|javascript:|livescript:|mocha:|charset=|window\.|document\.|\.cookie|<script|<xss|data\s*:)#si',
'',
$this->_filter_attributes(str_replace(array('<', '>'), '', $match[1]))
),
@@ -693,7 +706,7 @@ class CI_Security {
protected function _js_img_removal($match)
{
return str_replace($match[1],
- preg_replace('#src=.*?(alert\(|alert&\#40;|javascript\:|livescript\:|mocha\:|charset\=|window\.|document\.|\.cookie|<script|<xss|base64\s*,)#si',
+ preg_replace('#src=.*?(?:alert\(|alert&\#40;|javascript:|livescript:|mocha:|charset=|window\.|document\.|\.cookie|<script|<xss|base64\s*,)#si',
'',
$this->_filter_attributes(str_replace(array('<', '>'), '', $match[1]))
),
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-07-13 07:29:49 +0200