path correction

2026-07-15 18:22:52 +05:30
parent e84c1adac4
commit abb35c0e03
15 changed files with 518 additions and 42 deletions
@@ -0,0 +1,119 @@
+<?php
+/**
+ * Forward /citpl_website/api/* → Node (Express) without requiring Apache mod_proxy.
+ * Start the API on the server:  cd /path/to/app && npm run server
+ * Or:  pm2 start server/index.js --name citpl-api
+ */
+declare(strict_types=1);
+
+$apiOrigin = getenv('CITPL_API_ORIGIN') ?: 'http://127.0.0.1:3001';
+
+$requestUri = $_SERVER['REQUEST_URI'] ?? '/api';
+$path = parse_url($requestUri, PHP_URL_PATH) ?: '/api';
+
+// Keep everything from "/api" onward (works under /citpl_website/api/...)
+if (preg_match('#(/api(?:/.*)?)$#', $path, $m)) {
+  $forwardPath = $m[1];
+} else {
+  $forwardPath = '/api';
+}
+
+$query = $_SERVER['QUERY_STRING'] ?? '';
+$url = rtrim($apiOrigin, '/') . $forwardPath . ($query !== '' ? '?' . $query : '');
+
+$method = $_SERVER['REQUEST_METHOD'] ?? 'GET';
+$body = file_get_contents('php://input');
+if ($body === false) {
+  $body = '';
+}
+
+$headers = [];
+if (function_exists('getallheaders')) {
+  foreach (getallheaders() as $name => $value) {
+    $lower = strtolower((string) $name);
+    if ($lower === 'host' || $lower === 'content-length') {
+      continue;
+    }
+    $headers[] = $name . ': ' . $value;
+  }
+} else {
+  foreach ($_SERVER as $key => $value) {
+    if (strpos($key, 'HTTP_') !== 0) {
+      continue;
+    }
+    $name = str_replace(' ', '-', ucwords(strtolower(str_replace('_', ' ', substr($key, 5)))));
+    if (strtolower($name) === 'host') {
+      continue;
+    }
+    $headers[] = $name . ': ' . $value;
+  }
+  if (!empty($_SERVER['CONTENT_TYPE'])) {
+    $headers[] = 'Content-Type: ' . $_SERVER['CONTENT_TYPE'];
+  }
+}
+
+if (!function_exists('curl_init')) {
+  http_response_code(500);
+  header('Content-Type: application/json');
+  echo json_encode([
+    'error' => 'PHP curl extension is required for the API proxy',
+    'code' => 'PROXY_MISCONFIGURED',
+  ]);
+  exit;
+}
+
+$ch = curl_init($url);
+curl_setopt_array($ch, [
+  CURLOPT_CUSTOMREQUEST => $method,
+  CURLOPT_RETURNTRANSFER => true,
+  CURLOPT_HEADER => true,
+  CURLOPT_FOLLOWLOCATION => false,
+  CURLOPT_CONNECTTIMEOUT => 5,
+  CURLOPT_TIMEOUT => 60,
+  CURLOPT_HTTPHEADER => $headers,
+]);
+
+if ($method !== 'GET' && $method !== 'HEAD') {
+  curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
+}
+
+$response = curl_exec($ch);
+if ($response === false) {
+  $err = curl_error($ch);
+  curl_close($ch);
+  http_response_code(502);
+  header('Content-Type: application/json');
+  echo json_encode([
+    'error' => 'API server unreachable. On the host run: npm run server (port 3001)',
+    'detail' => $err,
+    'code' => 'BAD_GATEWAY',
+  ]);
+  exit;
+}
+
+$status = (int) curl_getinfo($ch, CURLINFO_HTTP_CODE);
+$headerSize = (int) curl_getinfo($ch, CURLINFO_HEADER_SIZE);
+curl_close($ch);
+
+$rawHeaders = substr($response, 0, $headerSize);
+$responseBody = substr($response, $headerSize);
+
+http_response_code($status > 0 ? $status : 502);
+
+$skip = ['transfer-encoding', 'connection', 'keep-alive', 'content-length'];
+foreach (explode("\r\n", $rawHeaders) as $line) {
+  if ($line === '' || stripos($line, 'HTTP/') === 0) {
+    continue;
+  }
+  $parts = explode(':', $line, 2);
+  if (count($parts) < 2) {
+    continue;
+  }
+  $name = trim($parts[0]);
+  if (in_array(strtolower($name), $skip, true)) {
+    continue;
+  }
+  header($name . ':' . $parts[1], false);
+}
+
+echo $responseBody;