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overseerr/server/lib/permissions.ts

75 lines
2.0 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,
AUTO_APPROVE_MUSIC = 268_435_456,
REQUEST_4K = 1_024,
REQUEST_4K_MOVIE = 2_048,
REQUEST_4K_TV = 4_096,
REQUEST_ADVANCED = 8_192,
REQUEST_VIEW = 16_384,
AUTO_APPROVE_4K = 32_768,
AUTO_APPROVE_4K_MOVIE = 65_536,
AUTO_APPROVE_4K_TV = 131_072,
REQUEST_MOVIE = 262_144,
REQUEST_TV = 524_288,
REQUEST_MUSIC = 536_870_912,
MANAGE_ISSUES = 1_048_576,
VIEW_ISSUES = 2_097_152,
CREATE_ISSUES = 4_194_304,
AUTO_REQUEST = 8_388_608,
AUTO_REQUEST_MOVIE = 16_777_216,
AUTO_REQUEST_TV = 33_554_432,
AUTO_REQUEST_MUSIC = 1_073_741_824,
RECENT_VIEW = 67_108_864,
WATCHLIST_VIEW = 134_217_728,
}
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);
};