From 01ce9abc5b87efe11f735b83d844dee5402d20ba Mon Sep 17 00:00:00 2001
From: Piotr Kozimor <p1996k@gmail.com>
Date: Tue, 20 Apr 2021 14:34:02 +0200
Subject: [PATCH] Delete duplicated /register/email/requestToken endpoint

---
 clientapi/routing/register.go | 96 -----------------------------------
 clientapi/routing/routing.go  |  7 ---
 2 files changed, 103 deletions(-)

diff --git a/clientapi/routing/register.go b/clientapi/routing/register.go
index 85f51ad71..feea3b049 100644
--- a/clientapi/routing/register.go
+++ b/clientapi/routing/register.go
@@ -16,7 +16,6 @@
 package routing
 
 import (
-	"bytes"
 	"context"
 	"crypto/hmac"
 	"crypto/sha1"
@@ -1104,98 +1103,3 @@ func RegisterAvailable(
 		},
 	}
 }
-
-func RegisterEmailRequestToken(
-	req *http.Request,
-	cfg *config.ClientAPI,
-) util.JSONResponse {
-	var r registerEmailRequestTokenRequest
-	resErr := httputil.UnmarshalJSONRequest(req, &r)
-	if resErr != nil {
-		return *resErr
-	}
-	idServer := r.IdServer
-	idAccessToken := r.IdAccessToken
-	// if !isServerTrusted(idServer, cfg.Matrix.TrustedIDServers) {
-	// 	return util.JSONResponse{
-	// 		Code: http.StatusForbidden,
-	// 		JSON: jsonerror.NotTrusted(fmt.Sprintf("identity server %s is not trusted.", idServer)),
-	// 	}
-	// }
-	r.IdServer = ""
-	r.IdAccessToken = ""
-	return requestEmailTokenFromIdServer(req.Context(), idServer, idAccessToken, &r)
-}
-
-func isServerTrusted(s string, trusted []string) bool {
-	for _, t := range trusted {
-		if s == t {
-			return true
-		}
-	}
-	return false
-}
-
-func requestEmailTokenFromIdServer(
-	ctx context.Context,
-	idServer, idAccessToken string,
-	r *registerEmailRequestTokenRequest,
-) util.JSONResponse {
-	tr := &http.Transport{
-		TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
-	}
-	client := &http.Client{Transport: tr}
-	b := bytes.Buffer{}
-	enc := json.NewEncoder(&b)
-	err := enc.Encode(r)
-	if err != nil {
-		util.GetLogger(ctx).WithError(err).Error("enc.Encode failed")
-		return jsonerror.InternalServerError()
-	}
-	idReq, err := http.NewRequestWithContext(
-		ctx,
-		"POST",
-		fmt.Sprintf(
-			"https://%s/_matrix/identity/api/v1/validate/email/requestToken",
-			idServer),
-		&b)
-	if err != nil {
-		util.GetLogger(ctx).WithError(err).Error("http.NewRequestWithContext failed")
-		return jsonerror.InternalServerError()
-	}
-	idReq.Header.Add("Content-Type", "application/json")
-	idResp, err := client.Do(idReq)
-	if err != nil {
-		util.GetLogger(ctx).WithError(err).Errorf("failed to connect to identity server %s", idServer)
-		return jsonerror.InternalServerError()
-	}
-	defer idResp.Body.Close()
-	decoder := json.NewDecoder(idResp.Body)
-	if idResp.StatusCode < 300 {
-		var resp registerEmailRequestTokenResponse
-		decoder.Decode(&resp)
-		if err != nil {
-			util.GetLogger(ctx).WithError(err).Error("failed to decode identity server response body")
-			return jsonerror.InternalServerError()
-		}
-		return util.JSONResponse{
-			Code: idResp.StatusCode,
-			JSON: resp,
-		}
-	}
-	if idResp.StatusCode < 500 {
-		var resp jsonerror.MatrixError
-		decoder.Decode(&resp)
-		if err != nil {
-			util.GetLogger(ctx).WithError(err).Error("failed to decode identity server response body")
-			return jsonerror.InternalServerError()
-		}
-		return util.JSONResponse{
-			Code: idResp.StatusCode,
-			JSON: resp,
-		}
-	}
-	// We got 500 status code from indentity server
-	util.GetLogger(ctx).WithError(err).Error("identity server internal server error")
-	return jsonerror.InternalServerError()
-}
diff --git a/clientapi/routing/routing.go b/clientapi/routing/routing.go
index 0022f5161..9f980e0a9 100644
--- a/clientapi/routing/routing.go
+++ b/clientapi/routing/routing.go
@@ -312,13 +312,6 @@ func Setup(
 		return RegisterAvailable(req, cfg, accountDB)
 	})).Methods(http.MethodGet, http.MethodOptions)
 
-	r0mux.Handle("/register/email/requestToken", httputil.MakeExternalAPI("registerEmailRequestToken", func(req *http.Request) util.JSONResponse {
-		if r := rateLimits.rateLimit(req); r != nil {
-			return *r
-		}
-		return RegisterEmailRequestToken(req, cfg)
-	})).Methods(http.MethodPost, http.MethodOptions)
-
 	r0mux.Handle("/directory/room/{roomAlias}",
 		httputil.MakeExternalAPI("directory_room", func(req *http.Request) util.JSONResponse {
 			vars, err := httputil.URLDecodeMapValues(mux.Vars(req))