ducky/devices

Paddy 2015-12-22 Parent:b6494e1a499e

18:b2fdf827758e Go to Latest

ducky/devices/vendor/golang.org/x/net/context/ctxhttp/ctxhttp.go

Add endpoint for retrieving devices. Add an endpoint for retrieving devices, either as a list or by ID. Stub endpoints for updating and deleting devices., along with TODOs marking them as things to still be completed. (Right now, accessing those endpoints is an insta-panic.) Simplify our handleCreateDevices by returning StatusUnauthorized if AuthUser fails, so we can reserve StatusForbidden for when auth succeeds but access is still denied. Also, delay the instantiation and allocation of a Response variable until we're actually going to use it. Create a handleGetDevices handler that authenticates the user, and if no ID is set, returns a list of all their Devices. If one or more IDs are set, only those Devices are returned. If ScopeViewPushToken is one of the scopes associated with the request, the push tokens for each Device will be included in the response. Otherwise, they will be omitted.

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1 // Copyright 2015 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
4
5 // Package ctxhttp provides helper functions for performing context-aware HTTP requests.
6 package ctxhttp
7
8 import (
9 "io"
10 "net/http"
11 "net/url"
12 "strings"
13
14 "golang.org/x/net/context"
15 )
16
17 // Do sends an HTTP request with the provided http.Client and returns an HTTP response.
18 // If the client is nil, http.DefaultClient is used.
19 // If the context is canceled or times out, ctx.Err() will be returned.
20 func Do(ctx context.Context, client *http.Client, req *http.Request) (*http.Response, error) {
21 if client == nil {
22 client = http.DefaultClient
23 }
24
25 // Request cancelation changed in Go 1.5, see cancelreq.go and cancelreq_go14.go.
26 cancel := canceler(client, req)
27
28 type responseAndError struct {
29 resp *http.Response
30 err error
31 }
32 result := make(chan responseAndError, 1)
33
34 go func() {
35 resp, err := client.Do(req)
36 result <- responseAndError{resp, err}
37 }()
38
39 select {
40 case <-ctx.Done():
41 cancel()
42 return nil, ctx.Err()
43 case r := <-result:
44 return r.resp, r.err
45 }
46 }
47
48 // Get issues a GET request via the Do function.
49 func Get(ctx context.Context, client *http.Client, url string) (*http.Response, error) {
50 req, err := http.NewRequest("GET", url, nil)
51 if err != nil {
52 return nil, err
53 }
54 return Do(ctx, client, req)
55 }
56
57 // Head issues a HEAD request via the Do function.
58 func Head(ctx context.Context, client *http.Client, url string) (*http.Response, error) {
59 req, err := http.NewRequest("HEAD", url, nil)
60 if err != nil {
61 return nil, err
62 }
63 return Do(ctx, client, req)
64 }
65
66 // Post issues a POST request via the Do function.
67 func Post(ctx context.Context, client *http.Client, url string, bodyType string, body io.Reader) (*http.Response, error) {
68 req, err := http.NewRequest("POST", url, body)
69 if err != nil {
70 return nil, err
71 }
72 req.Header.Set("Content-Type", bodyType)
73 return Do(ctx, client, req)
74 }
75
76 // PostForm issues a POST request via the Do function.
77 func PostForm(ctx context.Context, client *http.Client, url string, data url.Values) (*http.Response, error) {
78 return Post(ctx, client, url, "application/x-www-form-urlencoded", strings.NewReader(data.Encode()))
79 }