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