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- <?php
- if (!defined('SMF'))
- die('No direct access...');
- class browser_detector
- {
-
- private $_browsers = null;
-
- private $_is_mobile = null;
-
- function detectBrowser()
- {
- global $context, $user_info;
-
- $this->_browsers = array();
- $this->_is_mobile = false;
-
- $this->_browsers['needs_size_fix'] = false;
-
- if ($this->isOpera())
- $this->setupOpera();
-
- elseif ($this->isWebkit())
- $this->setupWebkit();
-
- elseif ($this->isFirefox())
- $this->setupFirefox();
-
- elseif ($this->isIe())
- $this->setupIe();
-
- $this->isOperaMini();
- $this->isOperaMobi();
-
- if ($user_info['possibly_robot'])
- {
-
- $this->_browsers['possibly_robot'] = !empty($user_info['possibly_robot']);
-
- if ((isset($_REQUEST['action']) && in_array($_REQUEST['action'], array('login', 'login2', 'register'))) || !$user_info['is_guest'])
- $this->_browsers['possibly_robot'] = false;
- }
- else
- $this->_browsers['possibly_robot'] = false;
-
- $this->fillInformation();
-
- $this->setupBrowserPriority();
-
- $context['browser'] = $this->_browsers;
- }
-
- function isOpera()
- {
- if (!isset($this->_browsers['is_opera']))
- $this->_browsers['is_opera'] = strpos($_SERVER['HTTP_USER_AGENT'], 'Opera') !== false;
- return $this->_browsers['is_opera'];
- }
-
- function isIe()
- {
-
- if (!isset($this->_browsers['is_ie']))
- $this->_browsers['is_ie'] = !$this->isOpera() && !$this->isGecko() && !$this->isWebTv() && preg_match('~MSIE \d+~', $_SERVER['HTTP_USER_AGENT']) === 1;
- return $this->_browsers['is_ie'];
- }
-
- function isWebkit()
- {
- if (!isset($this->_browsers['is_webkit']))
- $this->_browsers['is_webkit'] = strpos($_SERVER['HTTP_USER_AGENT'], 'AppleWebKit') !== false;
- return $this->_browsers['is_webkit'];
- }
-
- function isFirefox()
- {
- if (!isset($this->_browsers['is_firefox']))
- $this->_browsers['is_firefox'] = preg_match('~(?:Firefox|Ice[wW]easel|IceCat|Shiretoko|Minefield)/~', $_SERVER['HTTP_USER_AGENT']) === 1 && $this->isGecko();
- return $this->_browsers['is_firefox'];
- }
-
- function isWebTv()
- {
- if (!isset($this->_browsers['is_web_tv']))
- $this->_browsers['is_web_tv'] = strpos($_SERVER['HTTP_USER_AGENT'], 'WebTV') !== false;
- return $this->_browsers['is_web_tv'];
- }
-
- function isKonqueror()
- {
- if (!isset($this->_browsers['is_konqueror']))
- $this->_browsers['is_konqueror'] = strpos($_SERVER['HTTP_USER_AGENT'], 'Konqueror') !== false;
- return $this->_browsers['is_konqueror'];
- }
-
- function isGecko()
- {
- if (!isset($this->_browsers['is_gecko']))
- $this->_browsers['is_gecko'] = strpos($_SERVER['HTTP_USER_AGENT'], 'Gecko') !== false && !$this->isWebkit() && !$this->isKonqueror();
- return $this->_browsers['is_gecko'];
- }
-
- function isOperaMini()
- {
- if (!isset($this->_browsers['is_opera_mini']))
- $this->_browsers['is_opera_mini'] = (isset($_SERVER['HTTP_X_OPERAMINI_PHONE_UA']) || stripos($_SERVER['HTTP_USER_AGENT'], 'opera mini') !== false);
- if ($this->_browsers['is_opera_mini'])
- $this->_is_mobile = true;
- return $this->_browsers['is_opera_mini'];
- }
-
- function isOperaMobi()
- {
- if (!isset($this->_browsers['is_opera_mobi']))
- $this->_browsers['is_opera_mobi'] = stripos($_SERVER['HTTP_USER_AGENT'], 'opera mobi') !== false;
- if ($this->_browsers['is_opera_mobi'])
- $this->_is_mobile = true;
- return $this->_browsers['is_opera_mini'];
- }
-
- private function setupWebkit()
- {
- $this->_browsers += array(
- 'is_chrome' => strpos($_SERVER['HTTP_USER_AGENT'], 'Chrome') !== false,
- 'is_iphone' => (strpos($_SERVER['HTTP_USER_AGENT'], 'iPhone') !== false || strpos($_SERVER['HTTP_USER_AGENT'], 'iPod') !== false) && strpos($_SERVER['HTTP_USER_AGENT'], 'iPad') === false,
- 'is_blackberry' => stripos($_SERVER['HTTP_USER_AGENT'], 'BlackBerry') !== false || strpos($_SERVER['HTTP_USER_AGENT'], 'PlayBook') !== false,
- 'is_android' => strpos($_SERVER['HTTP_USER_AGENT'], 'Android') !== false,
- 'is_nokia' => strpos($_SERVER['HTTP_USER_AGENT'], 'SymbianOS') !== false,
- );
-
- if ($this->_browsers['is_iphone'] || $this->_browsers['is_blackberry'] || $this->_browsers['is_android'] || $this->_browsers['is_nokia'])
- $this->_is_mobile = true;
-
- $this->_browsers['is_safari'] = strpos($_SERVER['HTTP_USER_AGENT'], 'Safari') !== false && !$this->_browsers['is_chrome'] && !$this->_browsers['is_iphone'];
- $this->_browsers['is_ipad'] = strpos($_SERVER['HTTP_USER_AGENT'], 'iPad') !== false;
-
- if ($this->_browsers['is_chrome'])
- {
- if (preg_match('~chrome[/]([0-9][0-9]?[.])~i', $_SERVER['HTTP_USER_AGENT'], $match) === 1)
- $this->_browsers['is_chrome' . (int) $match[1]] = true;
- }
-
- if ($this->_browsers['is_safari'])
- {
- if (preg_match('~version/?(.*)safari.*~i', $_SERVER['HTTP_USER_AGENT'], $match) === 1)
- $this->_browsers['is_safari' . (int) trim($match[1])] = true;
- }
- }
-
- private function setupIe()
- {
- $this->_browsers['is_ie_compat_view'] = false;
-
- if (preg_match('~MSIE\s?([0-9][0-9]?.[0-9])~i', $_SERVER['HTTP_USER_AGENT'], $msie_match) === 1)
- {
- $msie_match[1] = trim($msie_match[1]);
- $msie_match[1] = (($msie_match[1] - (int) $msie_match[1]) == 0) ? (int) $msie_match[1] : $msie_match[1];
- $this->_browsers['is_ie' . $msie_match[1]] = true;
- }
-
- if (preg_match('~Trident/([0-9.])~i', $_SERVER['HTTP_USER_AGENT'], $trident_match) === 1)
- {
- $this->_browsers['is_ie' . ((int) $trident_match[1] + 4)] = true;
-
- if (isset($msie_match[1]) && ($msie_match[1] < $trident_match[1] + 4))
- $this->_browsers['is_ie_compat_view'] = true;
- }
-
- $this->_browsers['is_ie7'] = !empty($this->_browsers['is_ie7']) && ($this->_browsers['is_ie_compat_view'] === false);
- $this->_browsers['is_ie6'] = !empty($this->_browsers['is_ie6']) && ($this->_browsers['is_ie_compat_view'] === false);
-
- if ((!empty($this->_browsers['is_ie7']) && strpos($_SERVER['HTTP_USER_AGENT'], 'IEMobile/7') !== false) || (!empty($this->_browsers['is_ie9']) && strpos($_SERVER['HTTP_USER_AGENT'], 'IEMobile/9') !== false))
- {
- $this->_browsers['is_ie_mobi'] = true;
- $this->_is_mobile = true;
- }
-
- $this->_browsers += array(
- 'is_ie4' => !empty($this->_browsers['is_ie4']) && !$this->_browsers['is_web_tv'],
- 'is_mac_ie' => strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE 5.') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mac') !== false
- );
-
- $this->_browsers['ie_standards_fix'] = (($this->_browsers['is_ie6'] === true) || ($this->_browsers['is_ie7'] === true)) ? true : false;
-
- $this->_browsers['needs_size_fix'] = (!empty($this->_browsers['is_ie5']) || !empty($this->_browsers['is_ie5.5']) || !empty($this->_browsers['is_ie4'])) && !$this->_browsers['is_mac_ie'];
- }
-
- private function setupFirefox()
- {
- if (preg_match('~(?:Firefox|Ice[wW]easel|IceCat|Shiretoko|Minefield)[\/ \(]([^ ;\)]+)~', $_SERVER['HTTP_USER_AGENT'], $match) === 1)
- $this->_browsers['is_firefox' . (int) $match[1]] = true;
- }
-
- private function setupOpera()
- {
-
- if (preg_match('~\sVersion/([0-9]+)\.[0-9]+(?:\s*|$)~', $_SERVER['HTTP_USER_AGENT'], $match))
- $this->_browsers['is_opera' . (int) $match[1]] = true;
-
- elseif (preg_match('~Opera[ /]([0-9]+)(?!\\.[89])~', $_SERVER['HTTP_USER_AGENT'], $match))
- $this->_browsers['is_opera' . (int) $match[1]] = true;
-
- $this->_browsers['needs_size_fix'] = !empty($this->_browsers['is_opera6']);
- }
-
- private function setupBrowserPriority()
- {
- global $context;
- if ($this->_is_mobile)
- $context['browser_body_id'] = 'mobile';
- else
- {
-
- $browser_priority = array(
- 'is_ie6' => 'ie6',
- 'is_ie7' => 'ie7',
- 'is_ie8' => 'ie8',
- 'is_ie9' => 'ie9',
- 'is_ie10' => 'ie10',
- 'is_ie' => 'ie',
- 'is_firefox' => 'firefox',
- 'is_chrome' => 'chrome',
- 'is_safari' => 'safari',
- 'is_opera10' => 'opera10',
- 'is_opera11' => 'opera11',
- 'is_opera12' => 'opera12',
- 'is_opera' => 'opera',
- 'is_konqueror' => 'konqueror',
- );
- $context['browser_body_id'] = 'smf';
- $active = array_reverse(array_keys($this->_browsers, true));
- foreach ($active as $key => $browser)
- {
- if (array_key_exists($browser, $browser_priority))
- {
- $context['browser_body_id'] = $browser_priority[$browser];
- break;
- }
- }
- }
- }
-
- function fillInformation()
- {
- $this->_browsers += array(
- 'is_opera' => false,
- 'is_opera6' => false,
- 'is_opera7' => false,
- 'is_opera8' => false,
- 'is_opera9' => false,
- 'is_opera10' => false,
- 'is_webkit' => false,
- 'is_mac_ie' => false,
- 'is_web_tv' => false,
- 'is_konqueror' => false,
- 'is_firefox' => false,
- 'is_firefox1' => false,
- 'is_firefox2' => false,
- 'is_firefox3' => false,
- 'is_iphone' => false,
- 'is_android' => false,
- 'is_chrome' => false,
- 'is_safari' => false,
- 'is_gecko' => false,
- 'is_ie8' => false,
- 'is_ie7' => false,
- 'is_ie6' => false,
- 'is_ie5.5' => false,
- 'is_ie5' => false,
- 'is_ie' => false,
- 'is_ie4' => false,
- 'ie_standards_fix' => false,
- 'needs_size_fix' => false,
- 'possibly_robot' => false,
- );
- }
- }
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