/
qr-share.go
98 lines (79 loc) · 2.36 KB
/
qr-share.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
// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package drive
import (
"fmt"
"math/rand"
"strings"
"time"
"github.com/odeke-em/extractor"
"github.com/odeke-em/meddler"
"github.com/skratchdot/open-golang/open"
)
var envKeyAlias = &extractor.EnvKey{
PubKeyAlias: "DRIVE_SERVER_PUB_KEY",
PrivKeyAlias: "DRIVE_SERVER_PRIV_KEY",
}
const (
DefaultQRShareServer = "https://qr-server.herokuapp.com/drive"
)
var envKeySet = extractor.KeySetFromEnv(envKeyAlias)
func (g *Commands) QR(byId bool) error {
kvChan := g.urler(byId, g.opts.Sources)
address := DefaultQRShareServer
if g.opts.Meta != nil {
meta := *(g.opts.Meta)
if retrAddress, ok := meta[AddressKey]; ok && len(retrAddress) >= 1 {
address = retrAddress[0]
}
}
address = strings.TrimRight(address, "/")
if envKeySet.PublicKey == "" {
envKeySet.PublicKey = "5160897b3586461e83e7279c10352ac4"
}
if envKeySet.PrivateKey == "" {
envKeySet.PrivateKey = "5a3451dadab74f75b16f754c0a931949"
}
for kv := range kvChan {
switch kv.value.(type) {
case error:
g.log.LogErrf("%s: %s\n", kv.key, kv.value)
continue
}
fileURI, ok := kv.value.(string)
if !ok {
continue
}
curTime := time.Now()
pl := meddler.Payload{
URI: fileURI,
RequestTime: curTime.Unix(),
Payload: fmt.Sprintf("%v%v", rand.Float64(), curTime),
PublicKey: envKeySet.PublicKey,
ExpiryTime: curTime.Add(time.Hour).Unix(),
}
plainTextToSign := pl.RawTextForSigning()
pl.Signature = fmt.Sprintf("%s", envKeySet.Sign([]byte(plainTextToSign)))
uv := pl.ToUrlValues()
encodedValues := uv.Encode()
fullUrl := fmt.Sprintf("%s/qr?%s", address, encodedValues)
if g.opts.Verbose {
g.log.Logf("%q => %q\n", kv.key, fullUrl)
}
if err := open.Start(fullUrl); err != nil {
g.log.Logf("qr: err %v %q\n", err, fullUrl)
}
}
return nil
}