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87 lines
2.3 KiB
TypeScript
87 lines
2.3 KiB
TypeScript
/*
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GoToSocial
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Copyright (C) GoToSocial Authors admin@gotosocial.org
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SPDX-License-Identifier: AGPL-3.0-or-later
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import { createContext, useContext } from "react";
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const RoleContext = createContext<string[]>([]);
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const BaseUrlContext = createContext<string>("");
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const MenuLevelContext = createContext<number>(0);
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const InstanceDebugContext = createContext<boolean>(false);
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function urlSafe(str: string) {
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return str.toLowerCase().replace(/[\s/]+/g, "-");
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}
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function useHasPermission(permissions: string[] | undefined) {
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const roles = useContext<string[]>(RoleContext);
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return checkPermission(permissions, roles);
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}
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// checkPermission returns true if the user's roles
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// include requiredPermissions, or false otherwise.
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function checkPermission(requiredPermissions: string[] | undefined, userRoles: string[]): boolean {
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if (requiredPermissions === undefined) {
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// No perms defined, so user
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// implicitly has permission.
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return true;
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}
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if (requiredPermissions.length === 0) {
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// No perms defined, so user
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// implicitly has permission.
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return true;
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}
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// Check if one of the user's
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// roles is sufficient.
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return userRoles.some((role) => {
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if (role === "admin") {
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// Admins can
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// see everything.
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return true;
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}
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return requiredPermissions.includes(role);
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});
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}
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function useBaseUrl() {
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return useContext(BaseUrlContext);
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}
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function useMenuLevel() {
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return useContext(MenuLevelContext);
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}
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function useInstanceDebug() {
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return useContext(InstanceDebugContext);
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}
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export {
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urlSafe,
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RoleContext,
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useHasPermission,
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checkPermission,
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BaseUrlContext,
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useBaseUrl,
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MenuLevelContext,
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useMenuLevel,
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InstanceDebugContext,
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useInstanceDebug,
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};
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