Adding request_headers() and get_request_header() methods to the input class. The request_headers() method is helpful in non-apache environments where apache_request_headers() isn't going to exist.
diff --git a/system/core/Input.php b/system/core/Input.php
index 0ce2d89..52ea71b 100644
--- a/system/core/Input.php
+++ b/system/core/Input.php
@@ -35,6 +35,9 @@
var $_enable_xss = FALSE; // Set automatically based on config setting
var $_enable_csrf = FALSE; // Set automatically based on config setting
+ protected $headers = array();
+
+
/**
* Constructor
*
@@ -378,8 +381,10 @@
function _sanitize_globals()
{
// It would be "wrong" to unset any of these GLOBALS.
- $protected = array('_SERVER', '_GET', '_POST', '_FILES', '_REQUEST', '_SESSION', '_ENV', 'GLOBALS', 'HTTP_RAW_POST_DATA',
- 'system_folder', 'application_folder', 'BM', 'EXT', 'CFG', 'URI', 'RTR', 'OUT', 'IN');
+ $protected = array('_SERVER', '_GET', '_POST', '_FILES', '_REQUEST',
+ '_SESSION', '_ENV', 'GLOBALS', 'HTTP_RAW_POST_DATA',
+ 'system_folder', 'application_folder', 'BM', 'EXT',
+ 'CFG', 'URI', 'RTR', 'OUT', 'IN');
// Unset globals for securiy.
// This is effectively the same as register_globals = off
@@ -545,6 +550,80 @@
return $str;
}
+ // --------------------------------------------------------------------
+
+ /**
+ * Request Headers
+ *
+ * In Apache, you can simply call apache_request_headers(), however for
+ * people running other webservers the function is undefined.
+ *
+ * @return array
+ */
+ public function request_headers($xss_clean = FALSE)
+ {
+ // Look at Apache go!
+ if (function_exists('apache_request_headers'))
+ {
+ $headers = apache_request_headers();
+ }
+ else
+ {
+ $headers['Content-Type'] = (isset($_SERVER['CONTENT_TYPE'])) ? $_SERVER['CONTENT_TYPE'] : @getenv('CONTENT_TYPE');
+
+ foreach ($_SERVER as $key => $val)
+ {
+ if (strncmp($key, 'HTTP_', 5) === 0)
+ {
+ $headers[substr($key, 5)] = $this->_fetch_from_array($_SERVER, $key, $xss_clean);
+ }
+ }
+ }
+
+ // take SOME_HEADER and turn it into Some-Header
+ foreach ($headers as $key => $val)
+ {
+ $key = str_replace('_', ' ', strtolower($key));
+ $key = str_replace(' ', '-', ucwords($key));
+
+ $this->headers[$key] = $val;
+ }
+
+ return $this->headers;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Get Request Header
+ *
+ * Returns the value of a single member of the headers class member
+ *
+ * @param string array key for $this->headers
+ * @param boolean XSS Clean or not
+ * @return mixed FALSE on failure, string on success
+ */
+ public function get_request_header($index, $xss_clean = FALSE)
+ {
+ if (empty($this->headers))
+ {
+ $this->request_headers();
+ }
+
+ if ( ! isset($this->headers[$index]))
+ {
+ return FALSE;
+ }
+
+ if ($xss_clean === TRUE)
+ {
+ $_security =& load_class('Security');
+ return $_security->xss_clean($this->headers[$index]);
+ }
+
+ return $this->headers[$index];
+ }
+
}
// END Input class