feat: enhance version fetching with curl fallback for better compatibility

Author: abdelhamiderrahmouni

app/Services/VersionChecker.php

@@ -104,24 +104,20 @@ public function getCachedLatest(): ?string
     /**
      * Fetch the latest release tag from GitHub, cache the result, and return it.
      * Returns null on any failure.
+     *
+     * Uses the system curl binary when available — required for standalone
+     * micro.sfx builds, which lack the openssl extension and cannot make HTTPS
+     * requests via PHP stream wrappers.  Falls back to file_get_contents for
+     * environments where curl is not on PATH (e.g. Composer-global installs
+     * running under a full PHP with openssl).
      */
     public function fetchLatest(): ?string
     {
-        $context = stream_context_create([
-            'http' => [
-                'method' => 'GET',
-                'header' => implode("\r\n", [
-                    'User-Agent: cnkill-updater',
-                    'Accept: application/vnd.github+json',
-                ]),
-                'timeout' => self::FETCH_TIMEOUT,
-                'ignore_errors' => true,
-            ],
-        ]);
+        $raw = trim((string) shell_exec('command -v curl 2>/dev/null')) !== ''
+            ? $this->fetchViaSystemCurl()
+            : $this->fetchViaFileGetContents();
 
-        $raw = @file_get_contents(self::API_URL, false, $context);
-
-        if ($raw === false) {
+        if ($raw === null) {
             return null;
         }
 
@@ -138,6 +134,65 @@ public function fetchLatest(): ?string
         return $tag;
     }
 
+    /**
+     * Perform the GitHub API request using the system curl binary.
+     * Returns the raw response body, or null on failure.
+     */
+    private function fetchViaSystemCurl(): ?string
+    {
+        $proc = proc_open(
+            [
+                'curl',
+                '--fail', '--silent', '--show-error', '--location',
+                '--max-time', (string) self::FETCH_TIMEOUT,
+                '-H', 'User-Agent: cnkill-updater',
+                '-H', 'Accept: application/vnd.github+json',
+                self::API_URL,
+            ],
+            [['pipe', 'r'], ['pipe', 'w'], ['pipe', 'w']],
+            $pipes
+        );
+
+        if (! is_resource($proc)) {
+            return null;
+        }
+
+        fclose($pipes[0]);
+
+        $raw = stream_get_contents($pipes[1]);
+
+        fclose($pipes[1]);
+        fclose($pipes[2]);
+
+        $exitCode = proc_close($proc);
+
+        return ($exitCode === 0 && $raw !== false && $raw !== '') ? $raw : null;
+    }
+
+    /**
+     * Perform the GitHub API request using PHP's file_get_contents stream wrapper.
+     * Requires allow_url_fopen = 1 and the openssl extension (HTTPS support).
+     * Returns the raw response body, or null on failure.
+     */
+    private function fetchViaFileGetContents(): ?string
+    {
+        $context = stream_context_create([
+            'http' => [
+                'method' => 'GET',
+                'header' => implode("\r\n", [
+                    'User-Agent: cnkill-updater',
+                    'Accept: application/vnd.github+json',
+                ]),
+                'timeout' => self::FETCH_TIMEOUT,
+                'ignore_errors' => true,
+            ],
+        ]);
+
+        $raw = @file_get_contents(self::API_URL, false, $context);
+
+        return ($raw !== false && $raw !== '') ? $raw : null;
+    }
+
     /**
      * Return the latest release tag, preferring the on-disk cache when fresh.
      * Falls back to a live GitHub fetch when stale or missing.