open-vault/helper/mfa/duo/path_duo_access.go
Vishal Nayak 28e3eb9e2c
Errwrap everywhere (#4252)
* package api

* package builtin/credential

* package builtin/logical

* package command

* package helper

* package http and logical

* package physical

* package shamir

* package vault

* package vault

* address feedback

* more fixes
2018-04-05 11:49:21 -04:00

120 lines
3 KiB
Go

package duo
import (
"context"
"fmt"
"net/url"
"github.com/duosecurity/duo_api_golang"
"github.com/duosecurity/duo_api_golang/authapi"
"github.com/hashicorp/vault/logical"
"github.com/hashicorp/vault/logical/framework"
)
type AuthClient interface {
Preauth(options ...func(*url.Values)) (*authapi.PreauthResult, error)
Auth(factor string, options ...func(*url.Values)) (*authapi.AuthResult, error)
}
func pathDuoAccess() *framework.Path {
return &framework.Path{
Pattern: `duo/access`,
Fields: map[string]*framework.FieldSchema{
"skey": &framework.FieldSchema{
Type: framework.TypeString,
Description: "Duo secret key",
},
"ikey": &framework.FieldSchema{
Type: framework.TypeString,
Description: "Duo integration key",
},
"host": &framework.FieldSchema{
Type: framework.TypeString,
Description: "Duo api host",
},
},
Callbacks: map[logical.Operation]framework.OperationFunc{
logical.UpdateOperation: pathDuoAccessWrite,
},
HelpSynopsis: pathDuoAccessHelpSyn,
HelpDescription: pathDuoAccessHelpDesc,
}
}
func GetDuoAuthClient(ctx context.Context, req *logical.Request, config *DuoConfig) (AuthClient, error) {
entry, err := req.Storage.Get(ctx, "duo/access")
if err != nil {
return nil, err
}
if entry == nil {
return nil, fmt.Errorf(
"Duo access credentials haven't been configured. Please configure\n" +
"them at the 'duo/access' endpoint")
}
var access DuoAccess
if err := entry.DecodeJSON(&access); err != nil {
return nil, err
}
duoClient := duoapi.NewDuoApi(
access.IKey,
access.SKey,
access.Host,
config.UserAgent,
)
duoAuthClient := authapi.NewAuthApi(*duoClient)
check, err := duoAuthClient.Check()
if err != nil {
return nil, err
}
if check == nil {
return nil, fmt.Errorf("could not connect to Duo; got nil result back from API check call")
}
var msg, detail string
if check.StatResult.Message != nil {
msg = *check.StatResult.Message
}
if check.StatResult.Message_Detail != nil {
detail = *check.StatResult.Message_Detail
}
if check.StatResult.Stat != "OK" {
return nil, fmt.Errorf("could not connect to Duo: %q (%q)", msg, detail)
}
return duoAuthClient, nil
}
func pathDuoAccessWrite(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
entry, err := logical.StorageEntryJSON("duo/access", DuoAccess{
SKey: d.Get("skey").(string),
IKey: d.Get("ikey").(string),
Host: d.Get("host").(string),
})
if err != nil {
return nil, err
}
if err := req.Storage.Put(ctx, entry); err != nil {
return nil, err
}
return nil, nil
}
type DuoAccess struct {
SKey string `json:"skey"`
IKey string `json:"ikey"`
Host string `json:"host"`
}
const pathDuoAccessHelpSyn = `
Configure the access keys and host for Duo API connections.
`
const pathDuoAccessHelpDesc = `
To authenticate users with Duo, the backend needs to know what host to connect to
and must authenticate with an integration key and secret key. This endpoint is used
to configure that information.
`