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authn_whatsapp.go
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authn_whatsapp.go
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package nodes
import (
"github.com/authgear/authgear-server/pkg/api/model"
"github.com/authgear/authgear-server/pkg/lib/authn"
"github.com/authgear/authgear-server/pkg/lib/authn/authenticator"
"github.com/authgear/authgear-server/pkg/lib/facade"
"github.com/authgear/authgear-server/pkg/lib/interaction"
)
func init() {
interaction.RegisterNode(&NodeAuthenticationWhatsapp{})
}
type InputAuthenticationWhatsapp interface {
GetWhatsappOTP() string
}
type EdgeAuthenticationWhatsapp struct {
Stage authn.AuthenticationStage
Authenticator *authenticator.Info
}
func (e *EdgeAuthenticationWhatsapp) Instantiate(ctx *interaction.Context, graph *interaction.Graph, rawInput interface{}) (interaction.Node, error) {
var input InputAuthenticationWhatsapp
if !interaction.Input(rawInput, &input) {
return nil, interaction.ErrIncompatibleInput
}
code := input.GetWhatsappOTP()
channel := model.AuthenticatorOOBChannelWhatsapp
info := e.Authenticator
_, err := ctx.Authenticators.VerifyWithSpec(e.Authenticator, &authenticator.Spec{
OOBOTP: &authenticator.OOBOTPSpec{
Code: code,
},
}, &facade.VerifyOptions{
OOBChannel: &channel,
AuthenticationDetails: facade.NewAuthenticationDetails(
graph.MustGetUserID(),
e.Stage,
authn.AuthenticationTypeOOBOTPSMS,
),
})
if err != nil {
return nil, err
}
return &NodeAuthenticationWhatsapp{Stage: e.Stage, Authenticator: info}, nil
}
type NodeAuthenticationWhatsapp struct {
Stage authn.AuthenticationStage `json:"stage"`
Authenticator *authenticator.Info `json:"authenticator"`
}
func (n *NodeAuthenticationWhatsapp) Prepare(ctx *interaction.Context, graph *interaction.Graph) error {
return nil
}
func (n *NodeAuthenticationWhatsapp) GetEffects() ([]interaction.Effect, error) {
return nil, nil
}
func (n *NodeAuthenticationWhatsapp) DeriveEdges(graph *interaction.Graph) ([]interaction.Edge, error) {
return []interaction.Edge{
&EdgeAuthenticationEnd{
Stage: n.Stage,
AuthenticationType: authn.AuthenticationTypeOOBOTPSMS,
VerifiedAuthenticator: n.Authenticator,
},
}, nil
}