33 lines
944 B
Python
33 lines
944 B
Python
import hashlib
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from django.core.cache import cache
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def generate_idempotency_key(user_id, path, body):
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"""
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生成幂等性检查的唯一标识key
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:param user_id: 用户ID或"anonymous"
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:param path: 请求路径
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:param body: 请求体内容
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:return: MD5哈希值作为唯一标识
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"""
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return hashlib.md5(f"{user_id}_{path}_{body}".encode()).hexdigest()
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def check_idempotency(key, timeout=10):
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"""
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检查是否为重复请求
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:param key: 幂等性标识key
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:param timeout: 缓存超时时间(秒)
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:return: True表示重复请求，False表示首次请求
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"""
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if cache.get(key):
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return True
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cache.set(key, "processing", timeout)
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return False
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def get_user_identifier(request):
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"""
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获取用户标识符
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:param request: HTTP请求对象
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:return: 用户ID或"anonymous"
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"""
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return request.user.id if request.user.is_authenticated else "anonymous"
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