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Improved user agent detection
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@beranek1
beranek1 committed Jul 21, 2019
1 parent d8f8b61 commit 17b8fcc
Showing 1 changed file with 50 additions and 72 deletions.
122 changes: 50 additions & 72 deletions webanalytics.php
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Original file line number Diff line number Diff line change
Expand Up @@ -173,111 +173,89 @@ class web_analytics {
private $u_bot = 0;

function analyse_user_agent($user_agent) {
$result = array("browser" => array("name" => null, "version" => null), "os" => array("name" => null, "version" => null), "device" => array("name" => null));
$gecko = false;
if(preg_match("/Mozilla\/\d[\d.]* \([A-Za-z0-9_.\- ;:\/]*\) Gecko\/\d+/i", $user_agent)) {
$gecko = true;
}
$webkit = false;
if(preg_match("/Mozilla\/\d[\d.]* \([A-Za-z0-9_.\- ;:\/]*\) AppleWebKit\/\d[\d.]* \(KHTML, like Gecko\)/i", $user_agent)) {
$webkit = true;
}
$trident = false;
$result = array();
$gecko = preg_match("/Mozilla\/\d[\d.]* \([A-Za-z0-9_.\- ;:\/]*\) Gecko\/\d+/i", $user_agent);
$webkit = preg_match("/Mozilla\/\d[\d.]* \([A-Za-z0-9_.\- ;:\/]*\) AppleWebKit\/\d[\d.]* \(KHTML, like Gecko\)/i", $user_agent);
if(preg_match_all("/\w+\/\d[\d.]*/", $user_agent, $matches)) {
$browser = preg_split("/\//",$matches[0][array_key_last($matches[0])]);
$trident = (preg_match("/trident/i", $browser[0]) && !$gecko && !$webkit);
if($webkit) {
if(preg_match("/safari/i", $browser[0]) && (preg_match("/chrome/i", $user_agent) || preg_match("/crios/i", $user_agent))) {
if(preg_match("/safari/i", $browser[0])) {
$browser = preg_split("/\//",$matches[0][2]);
if(preg_match("/version/i", $browser[0])) {
$browser = preg_split("/\//",$matches[0][3]);
}
if(!preg_match("/chrome/i", $browser[0])) {
$browser[0] = "chrome";
$i = 3;
while((preg_match("/version/i", $browser[0]) || preg_match("/mobile/i", $browser[0])) && isset($matches[0][$i])) {
$browser = preg_split("/\//",$matches[0][$i]);
$i++;
}
}
} else if(preg_match("/trident/i", $browser[0]) && !$gecko) {
$trident = true;
}
$result["browser"]["name"] = $browser[0];
$result["browser"]["version"] = $browser[1];
}
if(preg_match("/\([A-Za-z0-9_.\- ;:\/]*\)/", $user_agent, $match)) {
$platform = preg_replace("/\(/", "", $match[0]);
$platform = preg_replace("/\)/", "", $platform);
$platforms = preg_split("/; /", $platform);
$os = null;
$osv = null;
$platforms = preg_split("/; /", preg_replace("/\)/", "", preg_replace("/\(/", "", $match[0])));
if($trident) {
$browser = preg_split("/ /",$platforms[1]);
if(preg_match("/msie/i", $browser[0])) {
$result["browser"]["name"] = $browser[0];
$result["browser"]["version"] = $browser[1];
$os = preg_split("/ \d/", preg_replace("/ nt/i", "",$platforms[2]));
$osv = preg_split("/ /",$platforms[2]);
$result["device"]["name"] = "pc";
if(preg_match("/xbox/i", $platforms[array_key_last($platforms)])) {
$result["device"]["name"] = $platforms[array_key_last($platforms)];
}
} else {
$result["browser"]["name"] = "msie";
$browser[0] = "msie";
$version = preg_split("/:/", $platforms[array_key_last($platforms)]);
$result["browser"]["version"] = $version[1];
$browser[1] = $version[1];
}
}
if(preg_match("/windows/i", $platforms[0])) {
$os = preg_split("/ \d/", preg_replace("/ nt/i", "",$platforms[0]));
$osv = preg_split("/ /",$platforms[0]);
$result["device"]["name"] = "pc";
if(preg_match("/phone/i", $os[0])) {
$result["device"]["name"] = $platforms[array_key_last($platforms)-1]." ".$platforms[array_key_last($platforms)];
}
if(isset($platforms[3]) && preg_match("/xbox/i", $platforms[3])) {
$result["device"]["name"] = $platforms[3];
if(isset($platforms[4])) {
$result["device"]["name"] = $platforms[4];
}
if(preg_match("/xbox/i", $platforms[array_key_last($platforms)])) {
$result["device"]["name"] = $platforms[array_key_last($platforms)];
}
} else if(preg_match("/linux/i", $platforms[0])) {
$os = preg_split("/ \d/",$platforms[1]);
$osv = preg_split("/ /",$platforms[1]);
if(preg_match("/android/i", $os[0]) && preg_match("/build/i", $platforms[2])) {
$device = preg_split("/ build/i", $platforms[2]);
$result["device"]["name"] = $device[0];
$i = preg_match("/u/i", $platforms[1]) ? 2 : 1;
$os = preg_split("/ \d/",$platforms[$i]);
if(preg_match("/android/i", $os[0])) {
$osv = preg_split("/ /",$platforms[$i]);
} else {
$os = preg_split("/ /",$platforms[0]);
}
} else if(preg_match("/linux/i", $platforms[1])) {
$os = preg_split("/ /",$platforms[1]);
if(preg_match("/x11/i", $platforms[0])) {
$result["device"]["name"] = "pc";
foreach ($platforms as $property) {
if(preg_match("/build/i", $property)) {
$device = preg_split("/ build/i", $property);
$result["device"]["name"] = $device[0];
}
}
} else if(preg_match("/cros/i", $platforms[1])) {
} else if(preg_match("/linux/i", $platforms[1]) || preg_match("/cros/i", $platforms[1]) || preg_match("/ubuntu/i", $platforms[1])) {
$os = preg_split("/ /",$platforms[1]);
$result["device"]["name"] = "chromebook";
} else if(preg_match("/macintosh/i", $platforms[0])) {
$os = preg_split("/ \d/",preg_replace("/intel /i", "", $platforms[1]));
$osv = preg_split("/ /",$platforms[1]);
$result["device"]["name"] = "mac";
$result["device"]["name"] = $platforms[0];
} else if(preg_match("/iphone/i", $platforms[0]) || preg_match("/ipad/i", $platforms[0]) || preg_match("/ipod/i", $platforms[0])) {
$os = preg_split("/ \d/",preg_replace("/cpu /i", "", $platforms[1]));
$osv = preg_split("/ /", preg_replace("/ like mac os x/i", "", $platforms[1]));
$result["device"]["name"] = $platforms[0];
} else if(preg_match("/android/i", $platforms[0])) {
$os = preg_split("/ \d/",$platforms[0]);
$osv = preg_split("/ /",$platforms[0]);
$result["device"]["name"] = $platforms[1];
}
$result["os"]["name"] = isset($os) ? $os[0] : null;
$result["os"]["version"] = isset($osv) ? $osv[array_key_last($osv)] : null;
}
return $result;
}

function check_if_bot() {
$bot_array = array('/googlebot/i' => 'Google',
'/bingbot/i' => 'Bing',
'/twitterbot/i' => 'Twitter',
'/baiduspider/i' => 'Baidu',
'/yandex/i' => 'Yandex',
'/duckduck/i' => 'DuckDuckGo',
'/archive.org_bot/i' => 'Archive.org');
foreach ($bot_array as $regex => $value) {
if (preg_match($regex, $this->ua)) {
return TRUE;
if(isset($os)) {
$result["os"]["name"] = $os[0];
}
if(isset($osv)) {
$result["os"]["version"] = $osv[array_key_last($osv)];
}
}
return FALSE;
if(isset($browser)) {
$result["browser"]["name"] = $browser[0];
$result["browser"]["version"] = $browser[1];
}
return $result;
}

// Get user language and country from hostname and http header
Expand Down Expand Up @@ -433,11 +411,11 @@ function get_agent() {
$this->db_manager->add("wa_agents", array(
"id" => $id,
"agent" => $this->ua,
"browser" => $uaa["browser"]["name"],
"browser_version" => $uaa["browser"]["version"],
"os" => $uaa["os"]["name"],
"os_version" => $uaa["os"]["version"],
"device" => $uaa["device"]["name"],
"browser" => isset($uaa["browser"]["name"]) ? $uaa["browser"]["name"] : null,
"browser_version" => isset($uaa["browser"]["version"]) ? $uaa["browser"]["version"] : null,
"os" => isset($uaa["os"]["name"]) ? $uaa["os"]["name"] : null,
"os_version" => isset($uaa["os"]["version"]) ? $uaa["os"]["version"] : null,
"device" => isset($uaa["device"]["name"]) ? $uaa["device"]["name"] : null,
"mobile" => $this->u_mobile,
"bot" => $this->u_bot
));
Expand Down Expand Up @@ -591,7 +569,7 @@ function __construct($db_manager, $server, $cookies, $anonymousips = TRUE) {
} else { $this->d = $domain; }
}
$this->u_mobile = preg_match('/mobile/i', $this->ua) ? 1 : 0;
$this->u_bot = $this->check_if_bot() ? 1 : 0;
$this->u_bot = (preg_match('/bot/i', $this->ua) || preg_match('/crawler/i', $this->ua)) ? 1 : 0;
$this->u_language = isset($this->s["HTTP_ACCEPT_LANGUAGE"]) ? substr($this->s['HTTP_ACCEPT_LANGUAGE'], 0, 2) : null;
$this->u_country_code = $this->get_country_code();
$this->check_database();
Expand Down

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