[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)
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(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)
(cherry picked from commit 377dc48cdc)
(cherry picked from commit acc862f411)
(cherry picked from commit ac75ef101f)
(cherry picked from commit 08f2d9f7c5)
(cherry picked from commit e4096f0b64)
(cherry picked from commit bf5876f062)
(cherry picked from commit 7dc60637e5)
(cherry picked from commit ef3101774b)
(cherry picked from commit ecb9e8867c)
(cherry picked from commit 64f0ae72fe)
(cherry picked from commit 8dd6ec7862)
(cherry picked from commit b36723e52b)

Conflicts:
	modules/context/api.go
	https://codeberg.org/forgejo/forgejo/pulls/1466
(cherry picked from commit 5c378e0cb8)
(cherry picked from commit 1d87602819)
(cherry picked from commit 0f72002d66)

modules/context/api.go

@@ -211,13 +211,20 @@ 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, ctx.Doer.ID)
 	if err != nil {
 		if auth.IsErrTwoFactorNotEnrolled(err) {
@@ -226,7 +233,7 @@ 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

@@ -24113,7 +24113,7 @@
     "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": {