【问题标题】:Function works with POST but fails with GET request函数适用于 POST,但因 GET 请求而失败
【发布时间】:2016-03-03 21:15:19
【问题描述】:

我正在构建一个与各种短信提供商交互并允许用户发送和接收文本的 API。我正在使用FlaskPython 3.4。我的问题是,当我尝试验证帐户时,如果我使用POST 请求发送数据,它工作正常。但是如果我使用GET 请求,我会收到一个错误,告诉我进行身份验证。 这是我的功能:

@coma_inbound.route("/twilio/verify/account",methods=["GET","POST"])
def verifyAccount():
    #pdb.set_trace()
    account_sid = request.values.get("account")
    auth_token = request.values.get("credentials")
    targetAcct = request.values.get("targetAcct")
    print(account_sid, auth_token, targetAcct)
    try:
        client = TwilioRestClient(account_sid, auth_token)
        print(client.auth)
        print("authenticated")
    except TwilioRestException as e:
        print(e)
        print("Updating Status 1")
        status = str(e.msg)[:250]
        print(status)
        return status
    try:
        print(account_sid, auth_token, targetAcct)
        print(client.auth)
        account = client.accounts.get(targetAcct)
        status = account.status
    except TwilioRestException as e:
        print(e)
        print("Updating Status 2")
        status = str(e.msg)[:250]
        print(status)
        return status   
    print(status)
    return status

我的POST 请求是这样的:

curl -vvv --data "account=ACf7e45c1e1547c066005efe64f933aa45&credentials=6d76c0bab837a10e6763a61aabacf7f2&targetAcct=ACf7e45c1e1547c066005efe64f933aa45" http://127.0.0.1:5000/twilio/verify/account

curl 输出这个(活动是预期的结果):

* Hostname was NOT found in DNS cache
*   Trying 127.0.0.1...
* Connected to 127.0.0.1 (127.0.0.1) port 5000 (#0)
> POST /twilio/verify/account HTTP/1.1
> User-Agent: curl/7.35.0
> Host: 127.0.0.1:5000
> Accept: */*
> Content-Length: 133
> Content-Type: application/x-www-form-urlencoded
> 
* upload completely sent off: 133 out of 133 bytes
* HTTP 1.0, assume close after body
< HTTP/1.0 200 OK
< Content-Type: text/html; charset=utf-8
< Content-Length: 6
< Server: Werkzeug/0.11.3 Python/3.4.3
< Date: Fri, 04 Mar 2016 14:43:28 GMT
< 
* Closing connection 0
active

我的GET 请求是这样的:

curl -vvv http://127.0.0.1:5000/twilio/verify/account?account=ACf7e45c1e1547c066005efe64f933aa45&credentials=6d76c0bab837a10e6763a61aabacf7f2&targetAcct=ACf7e45c1e1547c066005efe64f933aa45

哪个输出到curl:

[1] 6875
[2] 6876
anon@anon-VirtualBox:~/Coma$ * Hostname was NOT found in DNS cache
*   Trying 127.0.0.1...
* Connected to 127.0.0.1 (127.0.0.1) port 5000 (#0)
> GET /twilio/verify/account?account=ACf7e45c1e1547c066005efe64f933aa45 HTTP/1.1
> User-Agent: curl/7.35.0
> Host: 127.0.0.1:5000
> Accept: */*
> 
* HTTP 1.0, assume close after body
< HTTP/1.0 500 INTERNAL SERVER ERROR
< Content-Type: text/html
< Content-Length: 291
< Server: Werkzeug/0.11.3 Python/3.4.3
< Date: Fri, 04 Mar 2016 15:01:51 GMT
< 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
<title>500 Internal Server Error</title>
<h1>Internal Server Error</h1>
<p>The server encountered an internal error and was unable to complete your request.  Either the server is overloaded or there is an error in the application.</p>
* Closing connection 0

此时它挂起,直到我 ctrl+c 然后输出:

^C
[1]-  Done                    curl -vvv http://127.0.0.1:5000/twilio/verify/account?account=ACf7e45c1e1547c066005efe64f933aa45
[2]+  Done                    credentials=6d76c0bab837a10e6763a61aabacf7f2

我的错误是:

 * Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)
 * Restarting with stat
 * Debugger is active!
 * Debugger pin code: 159-528-786
Received: ACf7e45c1e1547c066005efe64f933aa45 None None
127.0.0.1 - - [04/Mar/2016 09:53:28] "GET /twilio/verify/account?account=ACf7e45c1e1547c066005efe64f933aa45 HTTP/1.1" 500 -
Traceback (most recent call last):
  File "/usr/local/lib/python3.4/dist-packages/flask/app.py", line 1836, in __call__
    return self.wsgi_app(environ, start_response)
  File "/usr/local/lib/python3.4/dist-packages/flask/app.py", line 1820, in wsgi_app
    response = self.make_response(self.handle_exception(e))
  File "/usr/local/lib/python3.4/dist-packages/flask/app.py", line 1403, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "/usr/local/lib/python3.4/dist-packages/flask/_compat.py", line 33, in reraise
    raise value
  File "/usr/local/lib/python3.4/dist-packages/flask/app.py", line 1817, in wsgi_app
    response = self.full_dispatch_request()
  File "/usr/local/lib/python3.4/dist-packages/flask/app.py", line 1477, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/usr/local/lib/python3.4/dist-packages/flask/app.py", line 1381, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/usr/local/lib/python3.4/dist-packages/flask/_compat.py", line 33, in reraise
    raise value
  File "/usr/local/lib/python3.4/dist-packages/flask/app.py", line 1475, in full_dispatch_request
    rv = self.dispatch_request()
  File "/usr/local/lib/python3.4/dist-packages/flask/app.py", line 1461, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/anon/Coma/Inbound/FlaskComa/views.py", line 68, in verifyAccount
    client = TwilioRestClient(account_sid, auth_token)
  File "/usr/local/lib/python3.4/dist-packages/twilio/rest/client.py", line 49, in __init__
    timeout)
  File "/usr/local/lib/python3.4/dist-packages/twilio/rest/base.py", line 57, in __init__
    """)
twilio.exceptions.TwilioException: 
Twilio could not find your account credentials. Pass them into the
TwilioRestClient constructor like this:

    client = TwilioRestClient(account='AC38135355602040856210245275870',
                              token='2flnf5tdp7so0lmfdu3d')

Or, add your credentials to your shell environment. From the terminal, run

    echo "export TWILIO_ACCOUNT_SID=AC3813535560204085626521" >> ~/.bashrc
    echo "export TWILIO_AUTH_TOKEN=2flnf5tdp7so0lmfdu3d7wod" >> ~/.bashrc

and be sure to replace the values for the Account SID and auth token with the
values from your Twilio Account at https://www.twilio.com/user/account.

【问题讨论】:

  • 您使用的输入是什么? post 和 get 参数?
  • @JaseRieger 我将所有这些都添加到了问题中。
  • 错误发生在哪个 try/except 块中?
  • 这真的很奇怪。我唯一能想到的是是否有一些不必要的空格进入您的帐户 SID 或 Auth Token 导致身份验证失败?
  • 没关系,我猜我错了。如果我在 curl 中双引号 url,它现在可以正常工作了。很抱歉浪费了大家的时间。谢谢大家。

标签: python python-3.x flask twilio


【解决方案1】:

请查看 curl 参数。 在第二种情况下,您在没有双引号的情况下运行它 - 因此 shell 解析字符串。 但是"&"有一个特殊的含义——后台运行程序。 所以在这种情况下你运行一个脚本

curl -vvv http://127.0.0.1:5000/twilio/verify/account?account=ACf7e45c1e1547c066005efe64f933aa45

在后台模式 还有一个

凭据=6d76c0bab837a10e6763a61aabacf7f2

在前台。

因此,您的 python 脚本没有获得凭据并失败:

GET /twilio/verify/account?account=ACf7e45c1e1547c066005efe64f933aa45 HTTP/1.1

单引号或双引号会有所帮助。

你的, 尤金

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