Log install per OS stats

Author: Seldaek

src/Controller/ApiController.php

@@ -311,6 +311,11 @@ public function trackDownloadsAction(Request $request, StatsDClient $statsd, str
                 $statsd->increment('installs.php_patch', 1, 1, [
                     'php_patch' => $uaParser->getPhpVersion() ?: 'unknown',
                 ]);
+                $statsd->increment('installs.os', 1, 1, [
+                    'os' => $uaParser->getOs() ?: 'unknown',
+                    'php_minor' => $uaParser->getPhpMinorVersion(),
+                    'ci' => $uaParser->getCI() ? 'true' : 'false',
+                ]);
             } elseif (
                 // log only if user-agent header is well-formed (it sometimes contains the header name itself in the value)
                 !str_starts_with($request->headers->get('User-Agent'), 'User-Agent:')

src/Util/UserAgentParser.php

@@ -25,7 +25,7 @@ class UserAgentParser
 
     public function __construct(?string $userAgent)
     {
-        if ($userAgent && Preg::isMatch('#^Composer/(?P<composer>[a-z0-9.+-]+) \((?P<os>[^\s;]+)[^;]*?; [^;]*?; (?P<engine>HHVM|PHP) (?P<php>[0-9.]+)[^;]*(?:; (?P<http>streams|curl \d+\.\d+)[^;)]*)?(?:; Platform-PHP (?P<platform_php>[0-9.]+)[^;]*)?(?P<ci>; CI)?#i', $userAgent, $matches)) {
+        if ($userAgent && Preg::isMatch('#^Composer/(?P<composer>[a-z0-9.+-]+) \((?P<os>[^\s;]+)[^;]*?; (?P<osversion>[^;]*?); (?P<engine>HHVM|PHP) (?P<php>[0-9.]+)[^;]*(?:; (?P<http>streams|curl \d+\.\d+)[^;)]*)?(?:; Platform-PHP (?P<platform_php>[0-9.]+)[^;]*)?(?P<ci>; CI)?#i', $userAgent, $matches)) {
             assert(isset($matches['composer'], $matches['engine'], $matches['os'], $matches['php']));
             if ($matches['composer'] === 'source' || Preg::isMatch('{^[a-f0-9]{40}$}', $matches['composer'])) {
                 $matches['composer'] = 'pre-1.8.5';
@@ -34,6 +34,11 @@ public function __construct(?string $userAgent)
             $this->phpVersion = (strtolower($matches['engine']) === 'hhvm' ? 'hhvm-' : '') . $matches['php'];
             $this->platformPhpVersion = null !== $matches['platform_php'] ? (strtolower($matches['engine']) === 'hhvm' ? 'hhvm-' : '') . $matches['platform_php'] : null;
             $this->os = Preg::replace('{^cygwin_nt-.*}', 'cygwin', strtolower($matches['os']));
+            if (str_contains('microsoft', strtolower((string) $matches['osversion']))) { // likely WSL 1 e.g. version-Microsoft
+                $this->os = 'wsl';
+            } elseif (str_contains('WSL', (string) $matches['osversion'])) { // likely WSL2 e.g. version-microsoft-standard-WSL2
+                $this->os = 'wsl';
+            }
             $this->httpVersion = null !== $matches['http'] ? strtolower($matches['http']) : null;
             $this->ci = (bool) ($matches['ci'] ?? null);
         }