diff options
Diffstat (limited to 'system/libraries/User_agent.php')
| -rw-r--r-- | system/libraries/User_agent.php | 60 |
1 files changed, 53 insertions, 7 deletions
diff --git a/system/libraries/User_agent.php b/system/libraries/User_agent.php index 2f6f81909..1dfa3e72d 100644 --- a/system/libraries/User_agent.php +++ b/system/libraries/User_agent.php @@ -145,6 +145,15 @@ class CI_User_agent { public $robot = ''; /** + * HTTP Referer + * + * @var mixed + */ + public $referer; + + // -------------------------------------------------------------------- + + /** * Constructor * * Sets the User Agent and runs the compilation routine @@ -282,7 +291,7 @@ class CI_User_agent { { foreach ($this->browsers as $key => $val) { - if (preg_match('|'.preg_quote($key).'.*?([0-9\.]+)|i', $this->agent, $match)) + if (preg_match('|'.$key.'.*?([0-9\.]+)|i', $this->agent, $match)) { $this->is_browser = TRUE; $this->version = $match[1]; @@ -358,7 +367,7 @@ class CI_User_agent { { if ((count($this->languages) === 0) && ! empty($_SERVER['HTTP_ACCEPT_LANGUAGE'])) { - $this->languages = explode(',', preg_replace('/(;q=[0-9\.]+)/i', '', strtolower(trim($_SERVER['HTTP_ACCEPT_LANGUAGE'])))); + $this->languages = explode(',', preg_replace('/(;\s?q=[0-9\.]+)|\s/i', '', strtolower(trim($_SERVER['HTTP_ACCEPT_LANGUAGE'])))); } if (count($this->languages) === 0) @@ -378,7 +387,7 @@ class CI_User_agent { { if ((count($this->charsets) === 0) && ! empty($_SERVER['HTTP_ACCEPT_CHARSET'])) { - $this->charsets = explode(',', preg_replace('/(;q=.+)/i', '', strtolower(trim($_SERVER['HTTP_ACCEPT_CHARSET'])))); + $this->charsets = explode(',', preg_replace('/(;\s?q=.+)|\s/i', '', strtolower(trim($_SERVER['HTTP_ACCEPT_CHARSET'])))); } if (count($this->charsets) === 0) @@ -471,13 +480,22 @@ class CI_User_agent { */ public function is_referral() { - if (empty($_SERVER['HTTP_REFERER'])) + if ( ! isset($this->referer)) { - return FALSE; + if (empty($_SERVER['HTTP_REFERER'])) + { + $this->referer = FALSE; + } + else + { + $referer_host = @parse_url($_SERVER['HTTP_REFERER'], PHP_URL_HOST); + $own_host = parse_url(config_item('base_url'), PHP_URL_HOST); + + $this->referer = ($referer_host && $referer_host !== $own_host); + } } - $referer = parse_url($_SERVER['HTTP_REFERER']); - return ! (empty($referer['host']) && strpos(config_item('base_url'), $referer['host']) !== FALSE); + return $this->referer; } // -------------------------------------------------------------------- @@ -623,6 +641,34 @@ class CI_User_agent { return in_array(strtolower($charset), $this->charsets(), TRUE); } + // -------------------------------------------------------------------- + + /** + * Parse a custom user-agent string + * + * @param string $string + * @return void + */ + public function parse($string) + { + // Reset values + $this->is_browser = FALSE; + $this->is_robot = FALSE; + $this->is_mobile = FALSE; + $this->browser = ''; + $this->version = ''; + $this->mobile = ''; + $this->robot = ''; + + // Set the new user-agent string and parse it, unless empty + $this->agent = $string; + + if ( ! empty($string)) + { + $this->_compile_data(); + } + } + } /* End of file User_agent.php */ |