Init

app/utils/http_utils.py

@@ -0,0 +1,38 @@
+import json
+import time
+import hmac
+import secrets
+import hashlib
+from typing import Dict, Any
+
+def generate_signed_headers(app_id: str, app_secret: str, data: Dict[str, Any], method: str = "POST") -> Dict[str, str]:
+    timestamp = str(int(time.time() * 1000))
+    nonce = secrets.token_hex(16)
+    
+    payload_str = json.dumps(data, ensure_ascii=False)
+    payload_bytes = payload_str.encode("utf-8")
+    actual_body_hash = hashlib.sha256(payload_bytes).hexdigest()
+
+    string_to_sign = "\n".join([
+        method.upper(),
+        app_id,
+        timestamp,
+        nonce,
+        actual_body_hash
+    ])
+
+    signature = hmac.new(
+        app_secret.encode("utf-8"),
+        string_to_sign.encode("utf-8"),
+        hashlib.sha256
+    ).hexdigest()
+
+    headers = {
+        "X-Ca-Appid": app_id,
+        "X-Ca-Timestamp": timestamp,
+        "X-Ca-Nonce": nonce,
+        "X-Ca-Signature": signature,
+        "Content-Type": "application/json; charset=utf-8"
+    }
+    
+    return headers