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Viewing changes to src/github.com/juju/juju/resource/api/download.go

  • Committer: Nicholas Skaggs
  • Date: 2016-10-24 20:56:05 UTC
  • Revision ID: nicholas.skaggs@canonical.com-20161024205605-z8lta0uvuhtxwzwl
Initi with beta15

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src/github.com/juju/juju/resource/api/download.go
 
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// Copyright 2016 Canonical Ltd.
 
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// Licensed under the AGPLv3, see LICENCE file for details.
 
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package api
 
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import (
 
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        "fmt"
 
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        "net/http"
 
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        "github.com/juju/errors"
 
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        charmresource "gopkg.in/juju/charm.v6-unstable/resource"
 
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        "github.com/juju/juju/resource"
 
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)
 
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// NewHTTPDownloadRequest creates a new HTTP download request
 
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// for the given resource.
 
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//
 
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// Intended for use on the client side.
 
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func NewHTTPDownloadRequest(resourceName string) (*http.Request, error) {
 
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        return http.NewRequest("GET", "/resources/"+resourceName, nil)
 
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}
 
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// ExtractDownloadRequest pulls the download request info out of the
 
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// given HTTP request.
 
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//
 
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// Intended for use on the server side.
 
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func ExtractDownloadRequest(req *http.Request) string {
 
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        return req.URL.Query().Get(":resource")
 
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}
 
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// UpdateDownloadResponse sets the appropriate headers in the response
 
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// to an HTTP download request.
 
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//
 
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// Intended for use on the server side.
 
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func UpdateDownloadResponse(resp http.ResponseWriter, resource resource.Resource) {
 
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        resp.Header().Set("Content-Type", ContentTypeRaw)
 
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        resp.Header().Set("Content-Length", fmt.Sprint(resource.Size))
 
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        resp.Header().Set("Content-Sha384", resource.Fingerprint.String())
 
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}
 
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// ExtractDownloadResponse pulls the download size and checksum
 
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// from the HTTP response.
 
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func ExtractDownloadResponse(resp *http.Response) (int64, charmresource.Fingerprint, error) {
 
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        var fp charmresource.Fingerprint
 
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        // TODO(ericsnow) Finish!
 
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        // See UpdateDownloadResponse for the data to extract.
 
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        return 0, fp, errors.New("not finished")
 
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}