-
Notifications
You must be signed in to change notification settings - Fork 134
/
device.go
157 lines (137 loc) · 4.07 KB
/
device.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
package oidc
import (
"context"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"strings"
"time"
openId "github.com/coreos/go-oidc"
"golang.org/x/oauth2"
"github.com/armadaproject/armada/internal/common/logging"
)
type DeviceDetails struct {
ProviderUrl string
ClientId string
Scopes []string
}
func AuthenticateDevice(config DeviceDetails) (*TokenCredentials, error) {
ctx := context.Background()
provider, err := openId.NewProvider(ctx, config.ProviderUrl)
if err != nil {
return nil, err
}
oauth := oauth2.Config{
ClientID: config.ClientId,
Endpoint: provider.Endpoint(),
Scopes: append(config.Scopes, openId.ScopeOpenID),
}
c := &http.Client{}
deviceFlowResponse, err := requestDeviceAuthorization(c, config)
if err != nil {
return nil, err
}
fmt.Printf("Complete your login via OIDC. Launching browser to:\n\n %s\n\n\n", deviceFlowResponse.VerificationUriComplete)
if cmd, err := openBrowser(deviceFlowResponse.VerificationUriComplete); err != nil {
fmt.Printf("Error attempting to automatically open browser: '%s'.\nPlease visit the above URL manually.\n", err)
if err != nil {
return nil, err
}
defer func() {
if err := cmd.Process.Kill(); err != nil {
fmt.Printf("Error killing your process: %s", err)
}
}()
}
for {
time.Sleep(time.Duration(deviceFlowResponse.Interval) * time.Second)
token, err := requestToken(c, config, deviceFlowResponse.DeviceCode)
if err == nil {
return &TokenCredentials{oauth.TokenSource(ctx, token)}, nil
} else if err.Error() == authorizationPending {
continue
} else if err.Error() == slowDown {
time.Sleep(time.Duration(deviceFlowResponse.Interval) * time.Second)
continue
} else if err.Error() == expiredToken {
return nil, errors.New("token expired, please login again")
} else {
return nil, err
}
}
}
type deviceFlowResponse struct {
DeviceCode string `json:"device_code"`
ExpiresIn int `json:"expires_in"`
Interval int `json:"interval"`
UserCode string `json:"user_code"`
VerificationUri string `json:"verification_uri"`
VerificationUriComplete string `json:"verification_uri_complete"`
}
type oauthErrorResponse struct {
Error string `json:"error"`
}
var (
authorizationPending = "authorization_pending"
expiredToken = "expiredtoken"
slowDown = "slow_down"
)
func requestDeviceAuthorization(c *http.Client, config DeviceDetails) (*deviceFlowResponse, error) {
resp, err := c.PostForm(config.ProviderUrl+"/connect/deviceauthorization",
url.Values{
"client_id": {config.ClientId},
"scope": {strings.Join(config.Scopes, " ")},
},
)
if err != nil {
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return nil, makeErrorForHTTPResponse(resp)
}
var deviceFlowResponse deviceFlowResponse
if err := json.NewDecoder(resp.Body).Decode(&deviceFlowResponse); err != nil {
return nil, err
}
return &deviceFlowResponse, nil
}
func requestToken(c *http.Client, config DeviceDetails, deviceCode string) (*oauth2.Token, error) {
resp, err := c.PostForm(config.ProviderUrl+"/connect/token",
url.Values{
"client_id": {config.ClientId},
"device_code": {deviceCode},
"grant_type": {"urn:ietf:params:oauth:grant-type:device_code"},
},
)
if err != nil {
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode == 200 {
var token oauth2.Token
err = json.NewDecoder(resp.Body).Decode(&token)
if err != nil {
return nil, err
}
return &token, nil
} else if resp.StatusCode == 400 {
var errResp oauthErrorResponse
if err := json.NewDecoder(resp.Body).Decode(&errResp); err != nil {
return nil, err
}
return nil, errors.New(errResp.Error)
}
return nil, makeErrorForHTTPResponse(resp)
}
func makeErrorForHTTPResponse(resp *http.Response) error {
bodyBytes, err := ioutil.ReadAll(resp.Body)
if err != nil {
return err
}
safeURL := logging.SanitizeUserInput(resp.Request.URL.String())
return fmt.Errorf("%s %s returned HTTP %s; \n\n %#q", resp.Request.Method, safeURL, resp.Status, bodyBytes)
}