other

backend/middleware/telegramAuthMiddleware.js

@@ -0,0 +1,70 @@
+import logger from "../utils/logger.js";
+
+// Middleware for protecting Telegram API routes
+export const protectTelegramApi = async (req, res, next) => {
+  // Log the headers for debugging
+  logger.info("Telegram API request headers:", {
+    authorization: req.headers.authorization ? req.headers.authorization.substring(0, 10) + "..." : "undefined",
+    "x-api-key": req.headers['x-api-key'] ? req.headers['x-api-key'].substring(0, 10) + "..." : "undefined",
+    method: req.method,
+    path: req.path,
+    allHeaders: JSON.stringify(req.headers)
+  });
+
+  // Full debug for non-production environments
+  logger.info("FULL HEADER DEBUG (KEYS ONLY):", Object.keys(req.headers));
+  logger.info("AUTH HEADER TYPE:", typeof req.headers.authorization);
+  
+  const expectedKey = process.env.INTERNAL_API_KEY;
+  logger.info("Expected API Key (first 10 chars):", expectedKey ? expectedKey.substring(0, 10) + "..." : "undefined");
+
+  // Check if the environment variable is actually defined
+  if (!expectedKey) {
+    logger.error("INTERNAL_API_KEY environment variable is not defined");
+    return res.status(500).json({ error: "Server configuration error" });
+  }
+
+  // Check if API key is in the expected header
+  if (req.headers.authorization === expectedKey) {
+    logger.info("Telegram API auth successful via Authorization header");
+    return next();
+  }
+
+  // Also try x-api-key as a fallback
+  if (req.headers['x-api-key'] === expectedKey) {
+    logger.info("Telegram API auth successful via x-api-key header");
+    return next();
+  }
+
+  // Try trimming whitespace
+  if (req.headers.authorization && req.headers.authorization.trim() === expectedKey) {
+    logger.info("Telegram API auth successful via Authorization header (after trimming)");
+    return next();
+  }
+
+  // Also try x-api-key with trimming
+  if (req.headers['x-api-key'] && req.headers['x-api-key'].trim() === expectedKey) {
+    logger.info("Telegram API auth successful via x-api-key header (after trimming)");
+    return next();
+  }
+
+  // Check for Bearer prefix and try to extract the token
+  if (req.headers.authorization && req.headers.authorization.startsWith('Bearer ')) {
+    const token = req.headers.authorization.substring(7).trim();
+    if (token === expectedKey) {
+      logger.info("Telegram API auth successful via Bearer token in Authorization header");
+      return next();
+    }
+  }
+
+  logger.warn("Telegram API auth failed:", {
+    expectedKeyPrefix: expectedKey ? expectedKey.substring(0, 5) + "..." : "undefined",
+    expectedKeyLength: expectedKey ? expectedKey.length : 0,
+    authHeaderPrefix: req.headers.authorization ? req.headers.authorization.substring(0, 5) + "..." : "undefined",
+    authHeaderLength: req.headers.authorization ? req.headers.authorization.length : 0,
+    xApiKeyPrefix: req.headers['x-api-key'] ? req.headers['x-api-key'].substring(0, 5) + "..." : "undefined",
+    xApiKeyLength: req.headers['x-api-key'] ? req.headers['x-api-key'].length : 0
+  });
+
+  return res.status(401).json({ error: "Unauthorized: Invalid API key" });
+};