blasphem/pkg/server/authorize.go

161 lines
3.1 KiB
Go

package server
import (
"crypto/rand"
"encoding/hex"
"encoding/json"
"io"
"net/http"
)
type AuthProvider interface {
ProviderName() string
ProviderID() *string
ProviderType() string
}
type AuthProviderBase struct {
Name string `json:"name"`
ID *string `json:"id"`
Type string `json:"type"`
}
func (bp *AuthProviderBase) ProviderName() string { return bp.Name }
func (bp *AuthProviderBase) ProviderID() *string { return bp.ID }
func (bp *AuthProviderBase) ProviderType() string { return bp.Type }
type LocalProvider struct {
AuthProviderBase
}
var HomeAssistant = "homeassistant"
func hassProvider() *LocalProvider {
return &LocalProvider{
AuthProviderBase: AuthProviderBase{
Name: "Home Assistant Local",
Type: HomeAssistant,
},
}
}
// TODO: make this configurable
func (s *Server) providersHandler(w http.ResponseWriter, r *http.Request) {
providers := []AuthProvider{
hassProvider(),
}
rjs, err := json.Marshal(providers)
if err != nil {
panic(err)
}
logRequest(http.StatusOK, r)
w.Header()["Content-Type"] = []string{"application/json"}
_, err = w.Write(rjs)
if err != nil {
panic(err)
}
}
func (s *Server) authorizeHandler(w http.ResponseWriter, r *http.Request) {
authPage, err := s.rootFS.Open("authorize.html")
if err != nil {
panic(err)
}
defer authPage.Close()
logRequest(http.StatusOK, r)
_, err = io.Copy(w, authPage)
if err != nil {
panic(err)
}
}
type flowRequest struct {
ClientID string `json:"client_id"`
Handler []*string `json:"handler"`
RedirectURI string `json:"redirect_uri"`
}
type FlowSchemaItem struct {
Type string `json:"type"`
Name string `json:"name"`
Required bool `json:"required"`
}
type FlowType string
const (
TypeForm FlowType = "form"
)
type FlowID string
type Step string
const (
StepInit Step = "init"
)
type flowResponse struct {
Type FlowType `json:"type"`
ID FlowID `json:"flow_id"`
Handler []*string `json:"handler"`
StepID Step `json:"step_id"`
Schema []FlowSchemaItem `json:"data_schema"`
Errors []string `json:"errors"`
DescPlace *string `json:"description_placeholders"`
LastStep *string `json:"last_step"`
}
func GenFlowID() FlowID {
b := make([]byte, 16)
if _, err := rand.Read(b); err != nil {
panic(err)
}
return FlowID(hex.EncodeToString(b))
}
func (s *Server) loginFlowHandler(w http.ResponseWriter, r *http.Request) {
var flowReq flowRequest
err := json.NewDecoder(r.Body).Decode(&flowReq)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
resp := flowResponse{
Type: TypeForm,
ID: GenFlowID(),
StepID: StepInit,
Schema: []FlowSchemaItem{
{
Type: "string",
Name: "username",
Required: true,
},
{
Type: "string",
Name: "password",
Required: true,
},
},
Handler: []*string{
&HomeAssistant,
nil,
},
Errors: []string{},
}
w.Header()["Content-Type"] = []string{"application/json"}
respByte, err := json.Marshal(&resp)
_, err = w.Write(respByte)
if err != nil {
panic(err)
}
}