owncast/controllers/auth/fediverse/fediverse.go
2022-10-02 13:47:38 -07:00

101 lines
3.5 KiB
Go

package fediverse
import (
"encoding/json"
"fmt"
"net/http"
"github.com/owncast/owncast/activitypub"
"github.com/owncast/owncast/auth"
fediverseauth "github.com/owncast/owncast/auth/fediverse"
"github.com/owncast/owncast/controllers"
"github.com/owncast/owncast/core/chat"
"github.com/owncast/owncast/core/data"
"github.com/owncast/owncast/core/user"
log "github.com/sirupsen/logrus"
)
// RegisterFediverseOTPRequest registers a new OTP request for the given access token.
func RegisterFediverseOTPRequest(u user.User, w http.ResponseWriter, r *http.Request) {
type request struct {
FediverseAccount string `json:"account"`
}
var req request
decoder := json.NewDecoder(r.Body)
if err := decoder.Decode(&req); err != nil {
controllers.WriteSimpleResponse(w, false, "Could not decode request: "+err.Error())
return
}
accessToken := r.URL.Query().Get("accessToken")
reg, success := fediverseauth.RegisterFediverseOTP(accessToken, u.ID, u.DisplayName, req.FediverseAccount)
if !success {
controllers.WriteSimpleResponse(w, false, "Could not register auth request. One may already be pending. Try again later.")
return
}
msg := fmt.Sprintf("<p>This is an automated message from %s. If you did not request this message please ignore or block. Your requested one-time code is:</p><p>%s</p>", data.GetServerName(), reg.Code)
if err := activitypub.SendDirectFederatedMessage(msg, reg.Account); err != nil {
controllers.WriteSimpleResponse(w, false, "Could not send code to fediverse: "+err.Error())
return
}
controllers.WriteSimpleResponse(w, true, "")
}
// VerifyFediverseOTPRequest verifies the given OTP code for the given access token.
func VerifyFediverseOTPRequest(w http.ResponseWriter, r *http.Request) {
type request struct {
Code string `json:"code"`
}
var req request
decoder := json.NewDecoder(r.Body)
if err := decoder.Decode(&req); err != nil {
controllers.WriteSimpleResponse(w, false, "Could not decode request: "+err.Error())
return
}
accessToken := r.URL.Query().Get("accessToken")
valid, authRegistration := fediverseauth.ValidateFediverseOTP(accessToken, req.Code)
if !valid {
w.WriteHeader(http.StatusForbidden)
return
}
// Check if a user with this auth already exists, if so, log them in.
if u := auth.GetUserByAuth(authRegistration.Account, auth.Fediverse); u != nil {
// Handle existing auth.
log.Debugln("user with provided fedvierse identity already exists, logging them in")
// Update the current user's access token to point to the existing user id.
userID := u.ID
if err := user.SetAccessTokenToOwner(accessToken, userID); err != nil {
controllers.WriteSimpleResponse(w, false, err.Error())
return
}
loginMessage := fmt.Sprintf("**%s** is now authenticated as **%s**", authRegistration.UserDisplayName, u.DisplayName)
if err := chat.SendSystemAction(loginMessage, true); err != nil {
log.Errorln(err)
}
controllers.WriteSimpleResponse(w, true, "")
return
}
// Otherwise, save this as new auth.
log.Debug("fediverse account does not already exist, saving it as a new one for the current user")
if err := auth.AddAuth(authRegistration.UserID, authRegistration.Account, auth.Fediverse); err != nil {
controllers.WriteSimpleResponse(w, false, err.Error())
return
}
// Update the current user's authenticated flag so we can show it in
// the chat UI.
if err := user.SetUserAsAuthenticated(authRegistration.UserID); err != nil {
log.Errorln(err)
}
controllers.WriteSimpleResponse(w, true, "")
}