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overseerr/server/lib/permissions.ts

71 lines
1.8 KiB

export enum Permission {
NONE = 0,
ADMIN = 2,
MANAGE_USERS = 8,
MANAGE_REQUESTS = 16,
REQUEST = 32,
VOTE = 64,
AUTO_APPROVE = 128,
AUTO_APPROVE_MOVIE = 256,
AUTO_APPROVE_TV = 512,
REQUEST_4K = 1024,
REQUEST_4K_MOVIE = 2048,
REQUEST_4K_TV = 4096,
REQUEST_ADVANCED = 8192,
REQUEST_VIEW = 16384,
AUTO_APPROVE_4K = 32768,
AUTO_APPROVE_4K_MOVIE = 65536,
AUTO_APPROVE_4K_TV = 131072,
REQUEST_MOVIE = 262144,
REQUEST_TV = 524288,
MANAGE_ISSUES = 1048576,
VIEW_ISSUES = 2097152,
CREATE_ISSUES = 4194304,
AUTO_REQUEST = 8388608,
AUTO_REQUEST_MOVIE = 16777216,
AUTO_REQUEST_TV = 33554432,
RECENT_VIEW = 67108864,
}
export interface PermissionCheckOptions {
type: 'and' | 'or';
}
/**
* Takes a Permission and the users permission value and determines
* if the user has access to the permission provided. If the user has
* the admin permission, true will always be returned from this check!
*
* @param permissions Single permission or array of permissions
* @param value users current permission value
* @param options Extra options to control permission check behavior (mainly for arrays)
*/
export const hasPermission = (
permissions: Permission | Permission[],
value: number,
options: PermissionCheckOptions = { type: 'and' }
): boolean => {
let total = 0;
// If we are not checking any permissions, bail out and return true
if (permissions === 0) {
return true;
}
if (Array.isArray(permissions)) {
if (value & Permission.ADMIN) {
return true;
}
switch (options.type) {
case 'and':
return permissions.every((permission) => !!(value & permission));
case 'or':
return permissions.some((permission) => !!(value & permission));
}
} else {
total = permissions;
}
return !!(value & Permission.ADMIN) || !!(value & total);
};