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<?php |
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declare(strict_types = 1); |
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namespace hexydec\agentzero; |
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/** |
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* @phpstan-import-type MatchValue from config |
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*/ |
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class agentzero { |
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// ua string |
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public readonly string $string; |
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// categories |
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public readonly ?string $type; |
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public readonly ?string $category; |
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// device |
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public readonly ?string $vendor; |
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public readonly ?string $device; |
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public readonly ?string $model; |
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public readonly ?string $build; |
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public readonly ?int $ram; |
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// architecture |
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public readonly ?string $processor; |
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public readonly ?string $architecture; |
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public readonly ?int $bits; |
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public readonly ?string $cpu; |
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public readonly ?int $cpuclock; |
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// platform |
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public readonly ?string $kernel; |
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public readonly ?string $platform; |
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public readonly ?string $platformversion; |
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// browser |
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public readonly ?string $engine; |
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public readonly ?string $engineversion; |
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public readonly ?string $browser; |
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public readonly ?string $browserversion; |
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public readonly ?string $language; |
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// app |
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public readonly ?string $app; |
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public readonly ?string $appname; |
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public readonly ?string $appversion; |
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public readonly ?string $url; |
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// network |
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public readonly ?string $nettype; |
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public readonly ?string $proxy; |
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// screen |
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public readonly ?int $width; |
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public readonly ?int $height; |
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public readonly ?int $dpi; |
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public readonly ?float $density; |
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public readonly ?bool $darkmode; |
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/** |
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* Constructs a new AgentZero object, private because it can only be created internally |
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* |
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* @param \stdClass $data A stdClass object containing the UA details |
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*/ |
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private function __construct(string $ua, \stdClass $data) { |
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$this->string = $ua; |
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// categories |
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$this->type = $data->type ?? null; |
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$this->category = $data->category ?? null; |
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// device |
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$this->vendor = $data->vendor ?? null; |
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$this->device = $data->device ?? null; |
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$this->model = $data->model ?? null; |
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$this->build = $data->build ?? null; |
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$this->ram = $data->ram ?? null; |
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// architecture |
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$this->processor = $data->processor ?? null; |
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$this->architecture = $data->architecture ?? null; |
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$this->bits = $data->bits ?? null; |
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$this->cpu = $data->cpu ?? null; |
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$this->cpuclock = $data->cpuclock ?? null; |
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// platform |
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$this->kernel = $data->kernel ?? null; |
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$this->platform = $data->platform ?? null; |
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$this->platformversion = $data->platformversion ?? null; |
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// browser |
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$this->engine = $data->engine ?? null; |
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$this->engineversion = $data->engineversion ?? null; |
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$this->browser = $data->browser ?? null; |
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$this->browserversion = $data->browserversion ?? null; |
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$this->language = $data->language ?? null; |
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// app |
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$this->app = $data->app ?? null; |
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$this->appname = $data->appname ?? null; |
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$this->appversion = $data->appversion ?? null; |
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$this->url = $data->url ?? null; |
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// network |
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$this->nettype = $data->nettype ?? null; |
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$this->proxy = $data->proxy ?? null; |
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// screen |
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$this->width = $data->width ?? null; |
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$this->height = $data->height ?? null; |
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$this->dpi = $data->dpi ?? null; |
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$this->density = $data->density ?? null; |
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$this->darkmode = $data->darkmode ?? null; |
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} |
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/** |
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* Retrieves calculated properties |
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* |
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* @param string $key The name of the property to retrieve |
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* @return string|int|null The requested property or null if it doesn't exist |
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*/ |
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public function __get(string $key) : string|int|null { |
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switch ($key) { |
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case 'host': |
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if ($this->url !== null && ($host = \parse_url($this->url, PHP_URL_HOST)) !== false && $host !== null) { |
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return \str_starts_with($host, 'www.') ? \substr($host, 4) : $host; |
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} |
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return null; |
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case 'browsermajorversion': |
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case 'enginemajorversion': |
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case 'platformmajorversion': |
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case 'appmajorversion': |
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$item = \str_replace('major', '', $key); |
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$value = $this->{$item} ?? null; |
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return $value === null ? null : \intval(\substr($value, 0, \strspn($value, '0123456789'))); |
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} |
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return $this->{$key} ?? null; |
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} |
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/** |
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* Extracts tokens from a UA string |
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* |
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* @param string $ua The User Agent string to be tokenised |
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* @param array<string> $single An array of strings that can appear on their own, enables the tokens to be split correctly |
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* @param array<string> $ignore An array of tokens that can be ignored in the UA string |
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* @return false|array<int,string> An array of tokens, or false if no tokens could be extracted |
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*/ |
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protected static function getTokens(string $ua, array $single, array $ignore) : array|false { |
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// prepare regexp |
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$single = \implode('|', \array_map('preg_quote', $single)); |
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$pattern = '/\{[^}]++\}|[^()\[\];,\/ _-](?:(?<!'.$single.') (?!https?:\/\/)|(?<=[a-z])\([^)]+\)|[^()\[\];,\/ ]*)*[^()\[\];,\/ _-](?:\/[^;,()\[\] ]++)?|[0-9]/i'; |
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// split up ua string |
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if (\preg_match_all($pattern, $ua, $match)) { |
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// remove ignore values |
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$tokens = \array_diff($match[0], $ignore); |
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// special case for handling like |
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foreach ($tokens AS $key => $item) { |
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if (\str_starts_with($item, 'like ')) { |
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// chop off words up to a useful token e.g. Platform/Version |
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if (\str_contains($item, '/') && ($pos = \mb_strrpos($item, ' ')) !== false) { |
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$tokens[$key] = \mb_substr($item, $pos + 1); |
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// just remove the token |
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} else { |
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unset($tokens[$key]); |
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} |
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} |
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} |
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// rekey and return |
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return \array_values($tokens); |
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} |
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return false; |
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} |
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/** |
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* Parses a User Agent string |
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* |
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* @param string $ua The User Agent string to be parsed |
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* @return agentzero|false An agentzero object containing the parsed values of the input UA, or false if it could not be parsed |
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*/ |
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public static function parse(string $ua) : agentzero|false { |
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if (($config = config::get()) === null) { |
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} elseif (($tokens = self::getTokens($ua, $config['single'], $config['ignore'])) !== false) { |
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// extract UA info |
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$browser = new \stdClass(); |
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foreach ($config['match'] AS $key => $item) { |
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$item->match($browser, $key, $tokens); |
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} |
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return new agentzero($ua, $browser); |
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} |
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return false; |
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} |
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} |
hexydec /
agentzero
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