[jira] [Created] (MESOS-1509) Use Content-Disposition filename (if available) when downloading HTTP URIs

[Bjoern Metzdorf (JIRA)]

Bjoern Metzdorf created MESOS-1509:
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             Summary: Use Content-Disposition filename (if available) when 
downloading HTTP URIs
                 Key: MESOS-1509
                 URL: https://issues.apache.org/jira/browse/MESOS-1509
             Project: Mesos
          Issue Type: Improvement
          Components: slave
    Affects Versions: 0.18.0, 0.19.0, 0.20.0, 0.21.0
         Environment: Linux (but should be irrelevant)
            Reporter: Bjoern Metzdorf
            Priority: Minor


Currently the slave stores downloaded HTTP URIs in filesnames that contain the 
part after the last "/" in the URI (in src/launcher/fetcher.cpp:122):

{code}
path =  path::join(directory, path.substr(path.find_last_of("/") + 1));
{code}

The problem is that the query string is included in the filename and a URI like 
{{http://my.web.server/dynamic/resource.tar.gz?a=b}} results in a downloaded 
file named {{resource.tar.gz?a=b}}.

The curl maintainers faced the same problem and added this:

{code}
-J, --remote-header-name
              (HTTP) This option tells the -O, --remote-name option to use the 
server-specified Content-Disposition filename instead of extracting a filename 
from the URL.
{code}

Maybe Mesos could do the same if a Content-Disposition header exists.




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