HttpServer cannot listen to post when sending content-length is zero
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- C#
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Description
My post data is below
POST https://127.0.0.1:39091/init HTTP/1.1
Host: 127.0.0.1:39091
Connection: keep-alive
Content-Length: 0
Accept: application/json, text/javascript, /; q=0.01
DNT: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36
Response is below.
HTTP/1.1 411 Length Required
Content-Type: text/html; charset=utf-8
Server: websocket-sharp/1.0
Date: Sat, 10 Oct 2020 09:39:42 GMT
Content-Length: 54
Connection: close
411 Length Required
So I reckon that HttpServer is not listening for zero content-length of post.
How can I fix this issue?
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start at the HttpServer handling of the provided POST request and reproduce the response with Content-Length: 0. Trace why this request returns 411 Length Required, then verify that the zero-length POST is accepted without breaking other HTTP requests.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- csharp
- Domain
- backend, networking
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100