selfpass/credentials/commands/get.go

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package commands
import (
"context"
"encoding/base64"
"encoding/hex"
"fmt"
"time"
"github.com/atotto/clipboard"
"github.com/pquerna/otp/totp"
"github.com/spf13/cobra"
"gopkg.in/AlecAivazis/survey.v1"
clitypes "github.com/mitchell/selfpass/cli/types"
"github.com/mitchell/selfpass/credentials/types"
"github.com/mitchell/selfpass/crypto"
)
func MakeGet(repo clitypes.ConfigRepo, initClient CredentialClientInit) *cobra.Command {
getCmd := &cobra.Command{
Use: "get",
Short: "Get a credential info and copy password to clipboard",
Long: `Get a credential's info and copy password to clipboard, from Selfpass server, after
decrypting password.`,
Run: func(cmd *cobra.Command, args []string) {
ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
defer cancel()
client := initClient(ctx)
masterpass, cfg, err := repo.OpenConfig()
check(err)
mdch, errch := client.GetAllMetadata(ctx, "")
mds := map[string][]types.Metadata{}
fmt.Println()
receive:
for count := 0; ; count++ {
select {
case <-ctx.Done():
check(fmt.Errorf("context timeout"))
case err := <-errch:
check(err)
case md, ok := <-mdch:
if !ok {
break receive
}
mds[md.SourceHost] = append(mds[md.SourceHost], md)
}
}
sources := []string{}
for source := range mds {
sources = append(sources, source)
}
var prompt survey.Prompt
prompt = &survey.Select{
Message: "Source host:",
Options: sources,
PageSize: 10,
VimMode: true,
}
var source string
check(survey.AskOne(prompt, &source, nil))
keys := []string{}
keyIDMap := map[string]string{}
for _, md := range mds[source] {
key := md.Primary
if md.Tag != "" {
key += "-" + md.Tag
}
keys = append(keys, key)
keyIDMap[key] = md.ID
}
prompt = &survey.Select{
Message: "Primary user key (and tag):",
Options: keys,
PageSize: 10,
VimMode: true,
}
var idKey string
check(survey.AskOne(prompt, &idKey, nil))
ctx, cancel = context.WithTimeout(context.Background(), time.Second*5)
defer cancel()
cred, err := client.Get(ctx, keyIDMap[idKey])
check(err)
fmt.Println(cred)
check(clipboard.WriteAll(string(cred.Primary)))
fmt.Println("Wrote primary user key to clipboard.")
key, err := hex.DecodeString(cfg.GetString(KeyPrivateKey))
check(err)
passkey, err := crypto.CombinePasswordAndKey([]byte(masterpass), key)
check(err)
var copyPass bool
prompt = &survey.Confirm{Message: "Copy password to clipboard?", Default: true}
check(survey.AskOne(prompt, &copyPass, nil))
if copyPass {
passbytes, err := base64.StdEncoding.DecodeString(cred.Password)
check(err)
plainpass, err := crypto.CBCDecrypt(passkey, passbytes)
check(clipboard.WriteAll(string(plainpass)))
fmt.Println("Wrote password to clipboard.")
}
if cred.OTPSecret != "" {
var newOTP bool
prompt = &survey.Confirm{Message: "Generate one time password and copy to clipboard?", Default: true}
check(survey.AskOne(prompt, &newOTP, nil))
if newOTP {
secretbytes, err := base64.StdEncoding.DecodeString(cred.OTPSecret)
check(err)
plainsecret, err := crypto.CBCDecrypt(passkey, secretbytes)
otp, err := totp.GenerateCode(string(plainsecret), time.Now())
check(err)
check(clipboard.WriteAll(otp))
fmt.Println("Wrote one time password to clipboard.")
}
}
var cleancb bool
prompt = &survey.Confirm{Message: "Do you want to clear the clipboard?", Default: true}
check(survey.AskOne(prompt, &cleancb, nil))
if cleancb {
check(clipboard.WriteAll(" "))
}
},
}
return getCmd
}