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-rw-r--r--system/core/CodeIgniter.php4
-rw-r--r--system/core/Common.php34
-rw-r--r--system/core/Exceptions.php2
-rw-r--r--system/core/Input.php16
-rw-r--r--system/core/Loader.php76
-rw-r--r--system/core/Log.php10
-rw-r--r--system/core/Output.php105
-rw-r--r--system/core/Security.php6
-rw-r--r--system/core/compat/hash.php17
-rw-r--r--system/core/compat/mbstring.php2
-rw-r--r--system/core/compat/password.php8
11 files changed, 135 insertions, 145 deletions
diff --git a/system/core/CodeIgniter.php b/system/core/CodeIgniter.php
index 0edcf972d..0d03293f6 100644
--- a/system/core/CodeIgniter.php
+++ b/system/core/CodeIgniter.php
@@ -55,7 +55,7 @@ defined('BASEPATH') OR exit('No direct script access allowed');
* @var string
*
*/
- const CI_VERSION = '3.1.3';
+ const CI_VERSION = '3.1.6';
/*
* ------------------------------------------------------
@@ -434,7 +434,7 @@ if ( ! is_php('5.4'))
* ReflectionMethod::isConstructor() is the ONLY reliable check,
* knowing which method will be executed as a constructor.
*/
- elseif ( ! is_callable(array($class, $method)) && strcasecmp($class, $method) === 0)
+ elseif ( ! is_callable(array($class, $method)))
{
$reflection = new ReflectionMethod($class, $method);
if ( ! $reflection->isPublic() OR $reflection->isConstructor())
diff --git a/system/core/Common.php b/system/core/Common.php
index 7b3eb6a4e..d6a1fdb4e 100644
--- a/system/core/Common.php
+++ b/system/core/Common.php
@@ -135,7 +135,7 @@ if ( ! function_exists('load_class'))
*
* @param string the class name being requested
* @param string the directory where the class should be found
- * @param string an optional argument to pass to the class constructor
+ * @param mixed an optional argument to pass to the class constructor
* @return object
*/
function &load_class($class, $directory = 'libraries', $param = NULL)
@@ -319,17 +319,13 @@ if ( ! function_exists('get_mimes'))
if (empty($_mimes))
{
+ $_mimes = file_exists(APPPATH.'config/mimes.php')
+ ? include(APPPATH.'config/mimes.php')
+ : array();
+
if (file_exists(APPPATH.'config/'.ENVIRONMENT.'/mimes.php'))
{
- $_mimes = include(APPPATH.'config/'.ENVIRONMENT.'/mimes.php');
- }
- elseif (file_exists(APPPATH.'config/mimes.php'))
- {
- $_mimes = include(APPPATH.'config/mimes.php');
- }
- else
- {
- $_mimes = array();
+ $_mimes = array_merge($_mimes, include(APPPATH.'config/'.ENVIRONMENT.'/mimes.php'));
}
}
@@ -410,11 +406,6 @@ if ( ! function_exists('show_error'))
if ($status_code < 100)
{
$exit_status = $status_code + 9; // 9 is EXIT__AUTO_MIN
- if ($exit_status > 125) // 125 is EXIT__AUTO_MAX
- {
- $exit_status = 1; // EXIT_ERROR
- }
-
$status_code = 500;
}
else
@@ -571,12 +562,12 @@ if ( ! function_exists('set_status_header'))
if (strpos(PHP_SAPI, 'cgi') === 0)
{
header('Status: '.$code.' '.$text, TRUE);
+ return;
}
- else
- {
- $server_protocol = isset($_SERVER['SERVER_PROTOCOL']) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.1';
- header($server_protocol.' '.$code.' '.$text, TRUE, $code);
- }
+
+ $server_protocol = (isset($_SERVER['SERVER_PROTOCOL']) && in_array($_SERVER['SERVER_PROTOCOL'], array('HTTP/1.0', 'HTTP/1.1', 'HTTP/2'), TRUE))
+ ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.1';
+ header($server_protocol.' '.$code.' '.$text, TRUE, $code);
}
}
@@ -724,6 +715,7 @@ if ( ! function_exists('remove_invisible_characters'))
{
$non_displayables[] = '/%0[0-8bcef]/i'; // url encoded 00-08, 11, 12, 14, 15
$non_displayables[] = '/%1[0-9a-f]/i'; // url encoded 16-31
+ $non_displayables[] = '/%7f/i'; // url encoded 127
}
$non_displayables[] = '/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]+/S'; // 00-08, 11, 12, 14-31, 127
@@ -827,7 +819,7 @@ if ( ! function_exists('function_usable'))
* terminate script execution if a disabled function is executed.
*
* The above described behavior turned out to be a bug in Suhosin,
- * but even though a fix was commited for 0.9.34 on 2012-02-12,
+ * but even though a fix was committed for 0.9.34 on 2012-02-12,
* that version is yet to be released. This function will therefore
* be just temporary, but would probably be kept for a few years.
*
diff --git a/system/core/Exceptions.php b/system/core/Exceptions.php
index 47d153f49..526909602 100644
--- a/system/core/Exceptions.php
+++ b/system/core/Exceptions.php
@@ -231,7 +231,7 @@ class CI_Exceptions {
* @param string $message Error message
* @param string $filepath File path
* @param int $line Line number
- * @return string Error page output
+ * @return void
*/
public function show_php_error($severity, $message, $filepath, $line)
{
diff --git a/system/core/Input.php b/system/core/Input.php
index d7cd29261..af4f87c1f 100644
--- a/system/core/Input.php
+++ b/system/core/Input.php
@@ -359,7 +359,7 @@ class CI_Input {
* @param bool $httponly Whether to only makes the cookie accessible via HTTP (no javascript)
* @return void
*/
- public function set_cookie($name, $value = '', $expire = '', $domain = '', $path = '/', $prefix = '', $secure = FALSE, $httponly = FALSE)
+ public function set_cookie($name, $value = '', $expire = '', $domain = '', $path = '/', $prefix = '', $secure = NULL, $httponly = NULL)
{
if (is_array($name))
{
@@ -388,15 +388,13 @@ class CI_Input {
$path = config_item('cookie_path');
}
- if ($secure === FALSE && config_item('cookie_secure') === TRUE)
- {
- $secure = config_item('cookie_secure');
- }
+ $secure = ($secure === NULL && config_item('cookie_secure') !== NULL)
+ ? (bool) config_item('cookie_secure')
+ : (bool) $secure;
- if ($httponly === FALSE && config_item('cookie_httponly') !== FALSE)
- {
- $httponly = config_item('cookie_httponly');
- }
+ $httponly = ($httponly === NULL && config_item('cookie_httponly') !== NULL)
+ ? (bool) config_item('cookie_httponly')
+ : (bool) $httponly;
if ( ! is_numeric($expire))
{
diff --git a/system/core/Loader.php b/system/core/Loader.php
index acfc739dd..085c5b51d 100644
--- a/system/core/Loader.php
+++ b/system/core/Loader.php
@@ -182,7 +182,7 @@ class CI_Loader {
* Loads and instantiates libraries.
* Designed to be called from application controllers.
*
- * @param string $library Library name
+ * @param mixed $library Library name
* @param array $params Optional parameters to pass to the library class constructor
* @param string $object_name An optional object name to assign to
* @return object
@@ -590,7 +590,7 @@ class CI_Loader {
{
$filename = basename($helper);
$filepath = ($filename === $helper) ? '' : substr($helper, 0, strlen($helper) - strlen($filename));
- $filename = strtolower(preg_replace('#(_helper)?(.php)?$#i', '', $filename)).'_helper';
+ $filename = strtolower(preg_replace('#(_helper)?(\.php)?$#i', '', $filename)).'_helper';
$helper = $filepath.$filename;
if (isset($this->_ci_helpers[$helper]))
@@ -1037,6 +1037,26 @@ class CI_Loader {
return $this->_ci_load_stock_library($class, $subdir, $params, $object_name);
}
+ // Safety: Was the class already loaded by a previous call?
+ if (class_exists($class, FALSE))
+ {
+ $property = $object_name;
+ if (empty($property))
+ {
+ $property = strtolower($class);
+ isset($this->_ci_varmap[$property]) && $property = $this->_ci_varmap[$property];
+ }
+
+ $CI =& get_instance();
+ if (isset($CI->$property))
+ {
+ log_message('debug', $class.' class already loaded. Second attempt ignored.');
+ return;
+ }
+
+ return $this->_ci_init_library($class, '', $params, $object_name);
+ }
+
// Let's search for the requested library file and load it.
foreach ($this->_ci_library_paths as $path)
{
@@ -1047,27 +1067,8 @@ class CI_Loader {
}
$filepath = $path.'libraries/'.$subdir.$class.'.php';
-
- // Safety: Was the class already loaded by a previous call?
- if (class_exists($class, FALSE))
- {
- // Before we deem this to be a duplicate request, let's see
- // if a custom object name is being supplied. If so, we'll
- // return a new instance of the object
- if ($object_name !== NULL)
- {
- $CI =& get_instance();
- if ( ! isset($CI->$object_name))
- {
- return $this->_ci_init_library($class, '', $params, $object_name);
- }
- }
-
- log_message('debug', $class.' class already loaded. Second attempt ignored.');
- return;
- }
// Does the file exist? No? Bummer...
- elseif ( ! file_exists($filepath))
+ if ( ! file_exists($filepath))
{
continue;
}
@@ -1112,16 +1113,17 @@ class CI_Loader {
$prefix = config_item('subclass_prefix');
}
- // Before we deem this to be a duplicate request, let's see
- // if a custom object name is being supplied. If so, we'll
- // return a new instance of the object
- if ($object_name !== NULL)
+ $property = $object_name;
+ if (empty($property))
{
- $CI =& get_instance();
- if ( ! isset($CI->$object_name))
- {
- return $this->_ci_init_library($library_name, $prefix, $params, $object_name);
- }
+ $property = strtolower($library_name);
+ isset($this->_ci_varmap[$property]) && $property = $this->_ci_varmap[$property];
+ }
+
+ $CI =& get_instance();
+ if ( ! isset($CI->$property))
+ {
+ return $this->_ci_init_library($library_name, $prefix, $params, $object_name);
}
log_message('debug', $library_name.' class already loaded. Second attempt ignored.');
@@ -1143,10 +1145,8 @@ class CI_Loader {
{
return $this->_ci_init_library($library_name, $prefix, $params, $object_name);
}
- else
- {
- log_message('debug', $path.' exists, but does not declare '.$prefix.$library_name);
- }
+
+ log_message('debug', $path.' exists, but does not declare '.$prefix.$library_name);
}
}
@@ -1164,10 +1164,8 @@ class CI_Loader {
$prefix = config_item('subclass_prefix');
break;
}
- else
- {
- log_message('debug', $path.' exists, but does not declare '.$subclass);
- }
+
+ log_message('debug', $path.' exists, but does not declare '.$subclass);
}
}
diff --git a/system/core/Log.php b/system/core/Log.php
index 3e11b35f5..d443aedb8 100644
--- a/system/core/Log.php
+++ b/system/core/Log.php
@@ -105,11 +105,11 @@ class CI_Log {
protected $_levels = array('ERROR' => 1, 'DEBUG' => 2, 'INFO' => 3, 'ALL' => 4);
/**
- * mbstring.func_override flag
+ * mbstring.func_overload flag
*
* @var bool
*/
- protected static $func_override;
+ protected static $func_overload;
// --------------------------------------------------------------------
@@ -122,7 +122,7 @@ class CI_Log {
{
$config =& get_config();
- isset(self::$func_override) OR self::$func_override = (extension_loaded('mbstring') && ini_get('mbstring.func_override'));
+ isset(self::$func_overload) OR self::$func_overload = (extension_loaded('mbstring') && ini_get('mbstring.func_overload'));
$this->_log_path = ($config['log_path'] !== '') ? $config['log_path'] : APPPATH.'logs/';
$this->_file_ext = (isset($config['log_file_extension']) && $config['log_file_extension'] !== '')
@@ -264,7 +264,7 @@ class CI_Log {
*/
protected static function strlen($str)
{
- return (self::$func_override)
+ return (self::$func_overload)
? mb_strlen($str, '8bit')
: strlen($str);
}
@@ -281,7 +281,7 @@ class CI_Log {
*/
protected static function substr($str, $start, $length = NULL)
{
- if (self::$func_override)
+ if (self::$func_overload)
{
// mb_substr($str, $start, null, '8bit') returns an empty
// string on PHP 5.3
diff --git a/system/core/Output.php b/system/core/Output.php
index 349955cd2..a3155fece 100644
--- a/system/core/Output.php
+++ b/system/core/Output.php
@@ -123,11 +123,11 @@ class CI_Output {
public $parse_exec_vars = TRUE;
/**
- * mbstring.func_override flag
+ * mbstring.func_overload flag
*
* @var bool
*/
- protected static $func_override;
+ protected static $func_overload;
/**
* Class constructor
@@ -145,7 +145,7 @@ class CI_Output {
&& extension_loaded('zlib')
);
- isset(self::$func_override) OR self::$func_override = (extension_loaded('mbstring') && ini_get('mbstring.func_override'));
+ isset(self::$func_overload) OR self::$func_overload = (extension_loaded('mbstring') && ini_get('mbstring.func_overload'));
// Get mime types for later
$this->mimes =& get_mimes();
@@ -586,62 +586,59 @@ class CI_Output {
return;
}
- if (flock($fp, LOCK_EX))
+ if ( ! flock($fp, LOCK_EX))
{
- // If output compression is enabled, compress the cache
- // itself, so that we don't have to do that each time
- // we're serving it
- if ($this->_compress_output === TRUE)
- {
- $output = gzencode($output);
+ log_message('error', 'Unable to secure a file lock for file at: '.$cache_path);
+ fclose($fp);
+ return;
+ }
- if ($this->get_header('content-type') === NULL)
- {
- $this->set_content_type($this->mime_type);
- }
+ // If output compression is enabled, compress the cache
+ // itself, so that we don't have to do that each time
+ // we're serving it
+ if ($this->_compress_output === TRUE)
+ {
+ $output = gzencode($output);
+
+ if ($this->get_header('content-type') === NULL)
+ {
+ $this->set_content_type($this->mime_type);
}
+ }
- $expire = time() + ($this->cache_expiration * 60);
+ $expire = time() + ($this->cache_expiration * 60);
- // Put together our serialized info.
- $cache_info = serialize(array(
- 'expire' => $expire,
- 'headers' => $this->headers
- ));
+ // Put together our serialized info.
+ $cache_info = serialize(array(
+ 'expire' => $expire,
+ 'headers' => $this->headers
+ ));
- $output = $cache_info.'ENDCI--->'.$output;
+ $output = $cache_info.'ENDCI--->'.$output;
- for ($written = 0, $length = self::strlen($output); $written < $length; $written += $result)
+ for ($written = 0, $length = self::strlen($output); $written < $length; $written += $result)
+ {
+ if (($result = fwrite($fp, self::substr($output, $written))) === FALSE)
{
- if (($result = fwrite($fp, self::substr($output, $written))) === FALSE)
- {
- break;
- }
+ break;
}
-
- flock($fp, LOCK_UN);
- }
- else
- {
- log_message('error', 'Unable to secure a file lock for file at: '.$cache_path);
- return;
}
+ flock($fp, LOCK_UN);
fclose($fp);
- if (is_int($result))
- {
- chmod($cache_path, 0640);
- log_message('debug', 'Cache file written: '.$cache_path);
-
- // Send HTTP cache-control headers to browser to match file cache settings.
- $this->set_cache_header($_SERVER['REQUEST_TIME'], $expire);
- }
- else
+ if ( ! is_int($result))
{
@unlink($cache_path);
log_message('error', 'Unable to write the complete cache content at: '.$cache_path);
+ return;
}
+
+ chmod($cache_path, 0640);
+ log_message('debug', 'Cache file written: '.$cache_path);
+
+ // Send HTTP cache-control headers to browser to match file cache settings.
+ $this->set_cache_header($_SERVER['REQUEST_TIME'], $expire);
}
// --------------------------------------------------------------------
@@ -708,11 +705,9 @@ class CI_Output {
log_message('debug', 'Cache file has expired. File deleted.');
return FALSE;
}
- else
- {
- // Or else send the HTTP cache control headers.
- $this->set_cache_header($last_modified, $expire);
- }
+
+ // Send the HTTP cache control headers
+ $this->set_cache_header($last_modified, $expire);
// Add headers from cache file.
foreach ($cache_info['headers'] as $header)
@@ -798,13 +793,11 @@ class CI_Output {
$this->set_status_header(304);
exit;
}
- else
- {
- header('Pragma: public');
- header('Cache-Control: max-age='.$max_age.', public');
- header('Expires: '.gmdate('D, d M Y H:i:s', $expiration).' GMT');
- header('Last-modified: '.gmdate('D, d M Y H:i:s', $last_modified).' GMT');
- }
+
+ header('Pragma: public');
+ header('Cache-Control: max-age='.$max_age.', public');
+ header('Expires: '.gmdate('D, d M Y H:i:s', $expiration).' GMT');
+ header('Last-modified: '.gmdate('D, d M Y H:i:s', $last_modified).' GMT');
}
// --------------------------------------------------------------------
@@ -817,7 +810,7 @@ class CI_Output {
*/
protected static function strlen($str)
{
- return (self::$func_override)
+ return (self::$func_overload)
? mb_strlen($str, '8bit')
: strlen($str);
}
@@ -834,7 +827,7 @@ class CI_Output {
*/
protected static function substr($str, $start, $length = NULL)
{
- if (self::$func_override)
+ if (self::$func_overload)
{
// mb_substr($str, $start, null, '8bit') returns an empty
// string on PHP 5.3
diff --git a/system/core/Security.php b/system/core/Security.php
index 585ed90ec..082ffa96b 100644
--- a/system/core/Security.php
+++ b/system/core/Security.php
@@ -354,9 +354,9 @@ class CI_Security {
// Is the string an array?
if (is_array($str))
{
- while (list($key) = each($str))
+ foreach ($str as $key => &$value)
{
- $str[$key] = $this->xss_clean($str[$key]);
+ $str[$key] = $this->xss_clean($value);
}
return $str;
@@ -869,7 +869,7 @@ class CI_Security {
// Each iteration filters a single attribute
do
{
- // Strip any non-alpha characters that may preceed an attribute.
+ // Strip any non-alpha characters that may precede an attribute.
// Browsers often parse these incorrectly and that has been a
// of numerous XSS issues we've had.
$matches['attributes'] = preg_replace('#^[^a-z]+#i', '', $matches['attributes']);
diff --git a/system/core/compat/hash.php b/system/core/compat/hash.php
index ba0198e10..c65203aaf 100644
--- a/system/core/compat/hash.php
+++ b/system/core/compat/hash.php
@@ -173,7 +173,9 @@ if ( ! function_exists('hash_pbkdf2'))
return FALSE;
}
- $hash_length = strlen(hash($algo, NULL, TRUE));
+ $hash_length = defined('MB_OVERLOAD_STRING')
+ ? mb_strlen(hash($algo, NULL, TRUE), '8bit')
+ : strlen(hash($algo, NULL, TRUE));
empty($length) && $length = $hash_length;
// Pre-hash password inputs longer than the algorithm's block size
@@ -221,14 +223,14 @@ if ( ! function_exists('hash_pbkdf2'))
'whirlpool' => 64
);
- if (isset($block_sizes[$algo]) && strlen($password) > $block_sizes[$algo])
+ if (isset($block_sizes[$algo], $password[$block_sizes[$algo]]))
{
$password = hash($algo, $password, TRUE);
}
$hash = '';
// Note: Blocks are NOT 0-indexed
- for ($bc = ceil($length / $hash_length), $bi = 1; $bi <= $bc; $bi++)
+ for ($bc = (int) ceil($length / $hash_length), $bi = 1; $bi <= $bc; $bi++)
{
$key = $derived_key = hash_hmac($algo, $salt.pack('N', $bi), $password, TRUE);
for ($i = 1; $i < $iterations; $i++)
@@ -240,6 +242,13 @@ if ( ! function_exists('hash_pbkdf2'))
}
// This is not RFC-compatible, but we're aiming for natural PHP compatibility
- return substr($raw_output ? $hash : bin2hex($hash), 0, $length);
+ if ( ! $raw_output)
+ {
+ $hash = bin2hex($hash);
+ }
+
+ return defined('MB_OVERLOAD_STRING')
+ ? mb_substr($hash, 0, $length, '8bit')
+ : substr($hash, 0, $length);
}
}
diff --git a/system/core/compat/mbstring.php b/system/core/compat/mbstring.php
index f466e1c34..1b2f2c63b 100644
--- a/system/core/compat/mbstring.php
+++ b/system/core/compat/mbstring.php
@@ -68,7 +68,7 @@ if ( ! function_exists('mb_strlen'))
* @link http://php.net/mb_strlen
* @param string $str
* @param string $encoding
- * @return string
+ * @return int
*/
function mb_strlen($str, $encoding = NULL)
{
diff --git a/system/core/compat/password.php b/system/core/compat/password.php
index b209cbe70..8176f0088 100644
--- a/system/core/compat/password.php
+++ b/system/core/compat/password.php
@@ -94,8 +94,8 @@ if ( ! function_exists('password_hash'))
*/
function password_hash($password, $algo, array $options = array())
{
- static $func_override;
- isset($func_override) OR $func_override = (extension_loaded('mbstring') && ini_get('mbstring.func_override'));
+ static $func_overload;
+ isset($func_overload) OR $func_overload = (extension_loaded('mbstring') && ini_get('mbstring.func_overload'));
if ($algo !== 1)
{
@@ -109,7 +109,7 @@ if ( ! function_exists('password_hash'))
return NULL;
}
- if (isset($options['salt']) && ($saltlen = ($func_override ? mb_strlen($options['salt'], '8bit') : strlen($options['salt']))) < 22)
+ if (isset($options['salt']) && ($saltlen = ($func_overload ? mb_strlen($options['salt'], '8bit') : strlen($options['salt']))) < 22)
{
trigger_error('password_hash(): Provided salt is too short: '.$saltlen.' expecting 22', E_USER_WARNING);
return NULL;
@@ -144,7 +144,7 @@ if ( ! function_exists('password_hash'))
is_php('5.4') && stream_set_chunk_size($fp, 16);
$options['salt'] = '';
- for ($read = 0; $read < 16; $read = ($func_override) ? mb_strlen($options['salt'], '8bit') : strlen($options['salt']))
+ for ($read = 0; $read < 16; $read = ($func_overload) ? mb_strlen($options['salt'], '8bit') : strlen($options['salt']))
{
if (($read = fread($fp, 16 - $read)) === FALSE)
{