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account_linking.go
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account_linking.go
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package authflowv2
import (
"fmt"
"net/http"
"strconv"
handlerwebapp "github.com/authgear/authgear-server/pkg/auth/handler/webapp"
"github.com/authgear/authgear-server/pkg/auth/handler/webapp/viewmodels"
"github.com/authgear/authgear-server/pkg/auth/webapp"
"github.com/authgear/authgear-server/pkg/lib/authenticationflow/declarative"
"github.com/authgear/authgear-server/pkg/lib/config"
"github.com/authgear/authgear-server/pkg/util/httproute"
"github.com/authgear/authgear-server/pkg/util/template"
"github.com/authgear/authgear-server/pkg/util/validation"
)
var TemplateWebAuthflowV2AccountLinkingHTML = template.RegisterHTML(
"web/authflowv2/account_linking.html",
handlerwebapp.Components...,
)
var AuthflowV2AccountLinkingIdentifySchema = validation.NewSimpleSchema(`
{
"type": "object",
"properties": {
"x_index": { "type": "string" }
},
"required": ["x_index"]
}
`)
func ConfigureAuthflowV2AccountLinkingRoute(route httproute.Route) httproute.Route {
return route.
WithMethods("OPTIONS", "POST", "GET").
WithPathPattern(AuthflowV2RouteAccountLinking)
}
type AuthflowV2AccountLinkingOption struct {
Identification config.AuthenticationFlowIdentification
MaskedDisplayName string
ProviderType string
Index int
}
type AuthflowV2AccountLinkingViewModel struct {
Options []AuthflowV2AccountLinkingOption
}
type AuthflowV2AccountLinkingHandler struct {
Controller *handlerwebapp.AuthflowController
BaseViewModel *viewmodels.BaseViewModeler
Renderer handlerwebapp.Renderer
Endpoints handlerwebapp.AuthflowSignupEndpointsProvider
}
func NewAuthflowV2AccountLinkingViewModel(s *webapp.Session, screen *webapp.AuthflowScreenWithFlowResponse) AuthflowV2AccountLinkingViewModel {
flowResponse := screen.StateTokenFlowResponse
data := flowResponse.Action.Data.(declarative.AccountLinkingIdentifyData)
options := []AuthflowV2AccountLinkingOption{}
for idx, option := range data.Options {
idx := idx
option := option
options = append(options, AuthflowV2AccountLinkingOption{
Identification: option.Identifcation,
MaskedDisplayName: option.MaskedDisplayName,
ProviderType: option.ProviderType,
Index: idx,
})
}
return AuthflowV2AccountLinkingViewModel{
Options: options,
}
}
func (h *AuthflowV2AccountLinkingHandler) GetData(w http.ResponseWriter, r *http.Request, s *webapp.Session, screen *webapp.AuthflowScreenWithFlowResponse) (map[string]interface{}, error) {
data := make(map[string]interface{})
baseViewModel := h.BaseViewModel.ViewModelForAuthFlow(r, w)
viewmodels.Embed(data, baseViewModel)
screenViewModel := NewAuthflowV2AccountLinkingViewModel(s, screen)
viewmodels.Embed(data, screenViewModel)
return data, nil
}
func (h *AuthflowV2AccountLinkingHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
var handlers handlerwebapp.AuthflowControllerHandlers
handlers.Get(func(s *webapp.Session, screen *webapp.AuthflowScreenWithFlowResponse) error {
data, err := h.GetData(w, r, s, screen)
if err != nil {
return err
}
h.Renderer.RenderHTML(w, r, TemplateWebAuthflowV2AccountLinkingHTML, data)
return nil
})
handlers.PostAction("", func(s *webapp.Session, screen *webapp.AuthflowScreenWithFlowResponse) error {
err := AuthflowV2AccountLinkingIdentifySchema.Validator().ValidateValue(handlerwebapp.FormToJSON(r.Form))
if err != nil {
return err
}
index, err := strconv.Atoi(r.Form.Get("x_index"))
if err != nil {
return err
}
flowResponse := screen.StateTokenFlowResponse
data := flowResponse.Action.Data.(declarative.AccountLinkingIdentifyData)
option := data.Options[index]
var input map[string]interface{}
switch option.Identifcation {
case config.AuthenticationFlowIdentificationEmail:
fallthrough
case config.AuthenticationFlowIdentificationPhone:
fallthrough
case config.AuthenticationFlowIdentificationUsername:
input = map[string]interface{}{
"index": index,
}
case config.AuthenticationFlowIdentificationOAuth:
providerAlias := option.Alias
input = map[string]interface{}{
"index": index,
"redirect_uri": h.Endpoints.SSOCallbackURL(providerAlias).String(),
}
default:
panic(fmt.Errorf("unsupported identifcation option %v", option.Identifcation))
}
result, err := h.Controller.AdvanceWithInput(r, s, screen, input, nil)
if err != nil {
return err
}
result.WriteResponse(w, r)
return nil
})
h.Controller.HandleStep(w, r, &handlers)
}