open-vault/builtin/credential/userpass/cli.go

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package userpass
import (
"fmt"
"strings"
"github.com/hashicorp/vault/api"
"github.com/mitchellh/mapstructure"
)
type CLIHandler struct{}
func (h *CLIHandler) Auth(c *api.Client, m map[string]string) (string, error) {
var data struct {
Username string `mapstructure:"username"`
Password string `mapstructure:"password"`
Mount string `mapstructure:"mount"`
}
if err := mapstructure.WeakDecode(m, &data); err != nil {
return "", err
}
if data.Username == "" || data.Password == "" {
return "", fmt.Errorf("Both 'username' and 'password' must be specified")
}
if data.Mount == "" {
data.Mount = "userpass"
}
path := fmt.Sprintf("auth/%s/login/%s", data.Mount, data.Username)
secret, err := c.Logical().Write(path, map[string]interface{}{
"password": data.Password,
})
if err != nil {
return "", err
}
if secret == nil {
return "", fmt.Errorf("empty response from credential provider")
}
return secret.Auth.ClientToken, nil
}
func (h *CLIHandler) Help() string {
help := `
The "userpass" credential provider allows you to authenticate with
a username and password. To use it, specify the "username" and "password"
vars with the "-var" flag.
Example: vault auth -method=userpass \
-var="username=<user>"
-var="password=<password>"
`
return strings.TrimSpace(help)
}