[BRANDING] X-Forgejo-OTP can be used instead of X-Gitea-OTP

(cherry picked from commit 7b0549cd70)
(cherry picked from commit 13e10a65d9)
(cherry picked from commit 65bdd73cf2)
(cherry picked from commit 64eba8bb92)
(cherry picked from commit 4c49b1a759)
(cherry picked from commit 93b4d06406)
(cherry picked from commit e2bc5f36d9)
(cherry picked from commit 2bee76f9df)
(cherry picked from commit 3d8a1b4a9f)
(cherry picked from commit 99dd092cd0)
(cherry picked from commit 0fdbd02204)
(cherry picked from commit 70b277a183)
(cherry picked from commit 3eece7fbb4)
(cherry picked from commit 4838fc9e11)
(cherry picked from commit b76ed541cf)
(cherry picked from commit dcdfb5b65c)

modules/context/api.go

@@ -205,13 +205,20 @@ func (ctx *APIContext) SetLinkHeader(total, pageSize int) {
 	}
 }
 
+func getOtpHeader(header http.Header) string {
+	otpHeader := header.Get("X-Gitea-OTP")
+	if forgejoHeader := header.Get("X-Forgejo-OTP"); forgejoHeader != "" {
+		otpHeader = forgejoHeader
+	}
+	return otpHeader
+}
+
 // CheckForOTP validates OTP
 func (ctx *APIContext) CheckForOTP() {
 	if skip, ok := ctx.Data["SkipLocalTwoFA"]; ok && skip.(bool) {
 		return // Skip 2FA
 	}
 
-	otpHeader := ctx.Req.Header.Get("X-Gitea-OTP")
 	twofa, err := auth.GetTwoFactorByUID(ctx.Doer.ID)
 	if err != nil {
 		if auth.IsErrTwoFactorNotEnrolled(err) {
@@ -220,7 +227,7 @@ func (ctx *APIContext) CheckForOTP() {
 		ctx.Error(http.StatusInternalServerError, "GetTwoFactorByUID", err)
 		return
 	}
-	ok, err := twofa.ValidateTOTP(otpHeader)
+	ok, err := twofa.ValidateTOTP(getOtpHeader(ctx.Req.Header))
 	if err != nil {
 		ctx.Error(http.StatusInternalServerError, "ValidateTOTP", err)
 		return

modules/context/api_forgejo_test.go

@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: MIT
+
+package context
+
+import (
+	"net/http"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGetOtpHeader(t *testing.T) {
+	header := http.Header{}
+	assert.EqualValues(t, "", getOtpHeader(header))
+	// Gitea
+	giteaOtp := "123456"
+	header.Set("X-Gitea-OTP", giteaOtp)
+	assert.EqualValues(t, giteaOtp, getOtpHeader(header))
+	// Forgejo has precedence
+	forgejoOtp := "abcdef"
+	header.Set("X-Forgejo-OTP", forgejoOtp)
+	assert.EqualValues(t, forgejoOtp, getOtpHeader(header))
+}

routers/api/v1/api.go

@@ -56,7 +56,7 @@
 //	     description: Sudo API request as the user provided as the key. Admin privileges are required.
 //	TOTPHeader:
 //	     type: apiKey
-//	     name: X-GITEA-OTP
+//	     name: X-FORGEJO-OTP
 //	     in: header
 //	     description: Must be used in combination with BasicAuth if two-factor authentication is enabled.
 //

templates/swagger/v1_json.tmpl

@@ -22892,7 +22892,7 @@
     "TOTPHeader": {
       "description": "Must be used in combination with BasicAuth if two-factor authentication is enabled.",
       "type": "apiKey",
-      "name": "X-GITEA-OTP",
+      "name": "X-FORGEJO-OTP",
       "in": "header"
     },
     "Token": {