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<?php |
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/** |
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* Browser.php |
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*/ |
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namespace w3l\Holt45; |
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/** |
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* Get data from the browser/user. |
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*/ |
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trait Browser |
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{ |
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/** |
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* Get client ip-address |
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* |
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* @return null|string User ip-address |
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*/ |
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public static function getClientIpAddress($fallbackReturn = null) |
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{ |
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if (getenv('HTTP_CLIENT_IP')) { |
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return getenv('HTTP_CLIENT_IP'); |
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} elseif (getenv('HTTP_X_FORWARDED_FOR')) { |
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return getenv('HTTP_X_FORWARDED_FOR'); |
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} elseif (getenv('HTTP_X_FORWARDED')) { |
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return getenv('HTTP_X_FORWARDED'); |
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} elseif (getenv('HTTP_FORWARDED_FOR')) { |
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return getenv('HTTP_FORWARDED_FOR'); |
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} elseif (getenv('HTTP_FORWARDED')) { |
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return getenv('HTTP_FORWARDED'); |
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} elseif (getenv('REMOTE_ADDR')) { |
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return getenv('REMOTE_ADDR'); |
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} |
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/* Unknown IP */ |
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return $fallbackReturn; |
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} |
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/** |
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* Get client operating system |
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* |
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* NOTICE: HTTP_USER_AGENT is easily spoofed. Don't trust this data. |
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* |
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* @used-by: Holt45::kbdSymbol() |
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* |
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* @return null|string User operating system(win|mac|linux) |
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*/ |
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public static function getClientOperatingSystem() |
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{ |
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if ($userAgent = getenv('HTTP_USER_AGENT')) { |
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if (preg_match('/linux/i', $userAgent)) { |
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return 'linux'; |
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} elseif (preg_match('/macintosh|mac os x/i', $userAgent)) { |
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return'mac'; |
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} elseif (preg_match('/windows|win32/i', $userAgent)) { |
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return 'windows'; |
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} |
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} |
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return null; |
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} |
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/** |
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* Convert UA to browser name |
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* |
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* @param Useragent-string |
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* return null|string Browser name |
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*/ |
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public static function getBrowserNameFromUA($userAgent) |
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{ |
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if (preg_match('/(MSIE|Trident)/i', $userAgent)) { |
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return 'msie'; |
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} elseif (preg_match('/^((?!Mozilla).*?)\//i', $userAgent, $match)) { |
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return mb_strtolower($match[1]); |
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} elseif (preg_match('/(Chrome)/i', $userAgent) && |
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preg_match('/(Safari)/i', $userAgent)) { |
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return 'chrome'; |
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} elseif (preg_match('/([^\s]+)$/i', $userAgent, $match)) { |
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return mb_strtolower(current(explode("/", $match[1]))); |
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} |
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return null; |
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} |
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/** |
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* Get client browser |
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* |
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* NOTICE: HTTP_USER_AGENT is easily spoofed. Don't trust this data. |
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* |
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* @return null|string User browser |
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*/ |
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public static function getClientBrowser() |
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{ |
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if ($userAgent = getenv('HTTP_USER_AGENT')) { |
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return self::getBrowserNameFromUA($userAgent); |
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} |
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return null; |
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} |
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/** |
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* Check if browser is Google Chrome and not one of the browsers derived from Google Chrome. |
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* |
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* NOTICE: HTTP_USER_AGENT is easily spoofed. Don't trust this data. |
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* |
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* @return bool |
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*/ |
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public static function isClientBrowserGoogleChrome() |
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{ |
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if ($userAgent = getenv('HTTP_USER_AGENT')) { |
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if (preg_match('/(Chrome|CriOS)\//i', $userAgent) && |
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!preg_match('/(Aviator|brave|ChromePlus|coc_|Dragon|Edge|Flock|Iron|Kinza|Maxthon|MxNitro|Nichrome|OPR|Perk|Rockmelt|Seznam|Sleipnir|Spark|UBrowser|Vivaldi|WebExplorer|YaBrowser)/i', $userAgent)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Get access key modifiers |
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* |
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* NOTICE: HTTP_USER_AGENT is easily spoofed. Don't trust this data. |
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* |
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* @link https://en.wikipedia.org/wiki/Access_key Source |
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* |
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* @used-by: Holt45::kbdSymbol() |
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* |
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* @param string|null $accessKey |
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* @param string $getClientBrowser |
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* @param string $getClientOS |
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* @return array|null |
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*/ |
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public static function getBrowserAccessKeyModifiers( |
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$accessKey = null, |
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$getClientBrowser = "auto", |
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$getClientOS = "auto" |
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) { |
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if ($getClientBrowser == "auto") { |
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$getClientBrowser = self::getClientBrowser(); |
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} |
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if ($getClientOS == "auto") { |
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$getClientOS = self::getClientOperatingSystem(); |
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} |
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$accessKeyModifiers = array( |
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"windows" => array( |
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"firefox" => array("Alt", "Shift"), |
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"chrome" => array("Alt"), |
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"msie" => array("Alt") |
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), |
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"mac" => array( |
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"safari" => array("Ctrl", "Opt"), |
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"chrome" => array("Ctrl", "Opt"), |
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"firefox" => array("Ctrl", "Opt"), |
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"camino" => array("Ctrl") |
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), |
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"linux" => array( |
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"konqueror" => array("Ctrl"), |
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"firefox" => array("Alt", "Shift"), |
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"chrome" => array("Alt") |
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) |
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); |
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if ($keys = $accessKeyModifiers[$getClientOS][$getClientBrowser]) { |
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return array_merge($keys, (array)$accessKey); |
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} |
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return null; |
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} |
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} |
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w3l /
holt45
Overly long lines are hard to read on any screen. Most code styles therefor impose a maximum limit on the number of characters in a line.