chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

services/context/user.go

@@ -0,0 +1,60 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package context
+
+import (
+	"fmt"
+	"net/http"
+	"strings"
+
+	user_model "gitea.dev/models/user"
+)
+
+// UserAssignmentWeb returns a middleware to handle context-user assignment for web routes
+func UserAssignmentWeb() func(ctx *Context) {
+	return func(ctx *Context) {
+		errorFn := func(status int, msg string) {
+			err := fmt.Errorf("%s", msg)
+			if status == http.StatusNotFound {
+				ctx.NotFound(err)
+			} else {
+				ctx.ServerError("UserAssignmentWeb", err)
+			}
+		}
+		ctx.ContextUser = userAssignment(ctx.Base, ctx.Doer, errorFn)
+		ctx.Data["ContextUser"] = ctx.ContextUser
+	}
+}
+
+// UserAssignmentAPI returns a middleware to handle context-user assignment for api routes
+func UserAssignmentAPI() func(ctx *APIContext) {
+	return func(ctx *APIContext) {
+		ctx.ContextUser = userAssignment(ctx.Base, ctx.Doer, ctx.APIError)
+	}
+}
+
+func userAssignment(ctx *Base, doer *user_model.User, errCb func(int, string)) (contextUser *user_model.User) {
+	username := ctx.PathParam("username")
+
+	if doer != nil && strings.EqualFold(doer.LowerName, username) {
+		contextUser = doer
+	} else {
+		var err error
+		contextUser, err = user_model.GetUserByName(ctx, username)
+		if err != nil {
+			if user_model.IsErrUserNotExist(err) {
+				if redirectUserID, err := user_model.LookupUserRedirect(ctx, username); err == nil {
+					RedirectToUser(ctx, doer, username, redirectUserID)
+				} else if user_model.IsErrUserRedirectNotExist(err) {
+					errCb(http.StatusNotFound, err.Error())
+				} else {
+					errCb(http.StatusInternalServerError, fmt.Sprintf("LookupUserRedirect: %v", err))
+				}
+			} else {
+				errCb(http.StatusInternalServerError, fmt.Sprintf("GetUserByName: %v", err))
+			}
+		}
+	}
+	return contextUser
+}