[GitHub] [couchdb] sploders101 opened a new issue #2244: Couchdb sends more than requested range in attachments

[GitBox <gi...@apache.org>]

sploders101 opened a new issue #2244: Couchdb sends more than requested range in attachments
URL: https://github.com/apache/couchdb/issues/2244
 
 
   [NOTE]: # ( ^^ Provide a general summary of the issue in the title above. ^^ )
   
   ## Description
   
   When performing a request for a partial attachment, Couchdb starts at the correct file location, but sends more data than the Content-Length header suggests, causing an error in some http clients.
   
   [NOTE]: # ( Describe the problem you're encountering. )
   [TIP]:  # ( Do NOT give us access or passwords to your actual CouchDB! )
   
   ## Steps to Reproduce
   
   Upload a large text file as an attachment to a couchdb instance
   Run:
   ```bash
   nc 127.0.0.1 5984
   ```
   and send this data, substituting your information.
   ```
   GET /db/doc/attachment.ext HTTP/1.1
   Range: bytes=1-4
   Host: 127.0.0.1:5984
   Connection: close
   
   
   ```
   
   [NOTE]: # ( Include commands to reproduce, if possible. curl is preferred. )
   
   ## Expected Behaviour
   
   CouchDB should send *only* the requested bytes.
   
   [NOTE]: # ( Tell us what you expected to happen. )
   
   ## Your Environment
   
   Fresh install
   
   [TIP]:  # ( Include as many relevant details about your environment as possible. )
   [TIP]:  # ( You can paste the output of curl http://YOUR-COUCHDB:5984/ here. )
   
   * CouchDB Version used: 2.3.1
   * Browser name and version: N/A
   * Operating System and version: Linux (docker image couchdb:latest)
   
   ## Additional context
   
   The specific type of attachment I'm using is an asar archive. I am attempting to read files from it without downloading the entire thing, and storing it to the fs/ram. It has a Content-Type of `application/octet-stream` in the database.
   
   I am using node.js http.request function as my http client, but this is reproducible with any client that doesn't close the connection after `Content-Length` bytes.
   
   [TIP]:  # ( Add any other context about the prbolem here. )
   

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