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NoBullsh1t
Asked: 2024-01-10 03:59:02 +0800 CST

请求模块是否会截断标头？

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我正在尝试使用相当长（1017 个字符）的承载令牌向我的 API 发出 POST 请求以进行授权。

无论我尝试什么，当我启动请求时，我都会收到一条错误消息，指出\u2026位置 512 中的（水平省略号）无法使用“latin-1”编码进行编码。由于我找不到我指定的标头的任何问题（或省略号），我唯一的解释是请求模块在内部默默地截断了我的令牌。难道是这样吗？可以禁用吗？还有其他解决方法吗？

python

2 个回答

  1. Python 本身的requests模块不应截断标头。

    您所描述的错误可能与不记名令牌中的非 ASCII 字符的编码或处理有关。

    您可以尝试将您的token打印到控制台并检查出现错误的位置（并确保显示的token的有效性）。

    另外，您可以尝试将打印的令牌复制并粘贴到例如 Notepad++ 中，并启用特殊字符来检查是否存在某些“不可读”字符。

    或者，尝试使用“utf-8”对您的承载令牌进行编码。

    import requests

token = 'your_token'

headers = {
    'Authorization': 'Bearer ' + token.encode('utf-8')
}

response = requests.post("your_api_endpoint", headers=headers)
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  2. Best Answer

    不，它不会截断标头。您可以通过运行打印所有收到的请求的 localhost http 服务器来查看这一点。以下是使用 2000 个字符标记的示例。

    # from https://gist.github.com/mdonkers/63e115cc0c79b4f6b8b3a6b797e485c7
from http.server import BaseHTTPRequestHandler, HTTPServer
import logging

class S(BaseHTTPRequestHandler):
    def _set_response(self):
        self.send_response(200)
        self.send_header('Content-type', 'text/html')
        self.end_headers()

    def do_POST(self):
        content_length = int(self.headers['Content-Length']) 
        post_data = self.rfile.read(content_length) 
        logging.info("POST request,\nPath: %s\nHeaders:\n%s\n\nBody:\n%s\n",
                str(self.path), str(self.headers), post_data.decode('utf-8'))

        self._set_response()
        self.wfile.write("POST request for {}".format(self.path).encode('utf-8'))

def run(server_class=HTTPServer, handler_class=S):
    logging.basicConfig(level=logging.INFO)
    server_address = ('', 8080)
    httpd = server_class(server_address, handler_class)
    try:
        httpd.serve_forever()
    except KeyboardInterrupt:
        pass
    httpd.server_close()

if __name__ == '__main__':
    run()

    在本地主机上运行它，然后使用 requests 来发布请求：

    import requests
import random
import string

token = ''.join(random.choices(string.ascii_letters, k=2000))
requests.request('post', 'http://localhost:8080', headers={'token': token}, body='hello world')

    产生以下输出：

    INFO:root:POST request,
Path: /
Headers:
Host: localhost:8080
User-Agent: python-requests/2.31.0
Accept-Encoding: gzip, deflate, br
Accept: */*
Connection: keep-alive
token: CrJlFIgJbvNdpTFPvkvCpaCPmugqMbjCUOYJaCCoibZdLfrEmLRDyxXiABGqHPTpkDYXznIWyVHwmThzBbzISh
umCnRXzQveOrSCAgfYWsfNSQDKGRvsTLnwCAWuVofumJPIhJQgQibpVJPQzqjncqjDbbHVjHidOJievmATjRexUPtVtke
zuMaifyNkPiMPJwwoofurbMJyueoKKdnDuTUxhTrryuuMSUYhoRjVIvtxtBdpIBjvrRcDFbLZtQXSBwcqpuSRWfnNMjll
xebGylOpGEqsfQJtfzkUbtJgbSvzuolDcyXvVjVTqnFakPPGRojYVBioUsllKABIjqzzZblTncrxKYjPSTgzoBIPnjcIn
WYWBsKXkRoRZbVFJnaEERnXjNTMkqGfqMDuADdGXUASRTOUsSDNcpRUzMwwWVhjQEWIpqtrDrxazIkvcoGwERSFDyUgGZ
FtAiWTkiBiwKmcFbwYkZXIJBWGvXJAVylHvMcYrgyVYycbbwabTRAbviddMQCopTZLgbriyZTMvepQOWabQaVdMRGeeZU
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fkQAXiaoDQYREuhyntQBDCJohSqcdjZntuwgOVCvOPyJYMSNzksVDx
Content-Length: 11


Body:
hello world
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