78 lines
2.0 KiB
TypeScript
78 lines
2.0 KiB
TypeScript
export enum Permission {
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NONE = 0,
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ADMIN = 2,
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MANAGE_SETTINGS = 4,
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MANAGE_USERS = 8,
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MANAGE_REQUESTS = 16,
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REQUEST = 32,
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VOTE = 64,
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AUTO_APPROVE = 128,
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AUTO_APPROVE_MOVIE = 256,
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AUTO_APPROVE_TV = 512,
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AUTO_APPROVE_MUSIC = 1024,
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REQUEST_4K = 2048,
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REQUEST_4K_MOVIE = 4096,
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REQUEST_4K_TV = 8192,
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REQUEST_ADVANCED = 16384,
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REQUEST_VIEW = 32768,
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AUTO_APPROVE_4K = 65536,
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AUTO_APPROVE_4K_MOVIE = 131072,
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AUTO_APPROVE_4K_TV = 262144,
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REQUEST_MOVIE = 524288,
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REQUEST_TV = 1048576,
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REQUEST_MUSIC = 2097152,
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AUTO_REQUEST = 4194304,
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AUTO_REQUEST_MOVIE = 8388608,
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AUTO_REQUEST_TV = 16777216,
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AUTO_REQUEST_MUSIC = 33554432,
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MANAGE_ISSUES = 67108864,
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VIEW_ISSUES = 134217728,
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CREATE_ISSUES = 268435456,
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RECENT_VIEW = 536870912,
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WATCHLIST_VIEW = 1073741824,
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MANAGE_BLACKLIST = 2147483648,
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VIEW_BLACKLIST = 4294967296,
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}
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export interface PermissionCheckOptions {
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type: 'and' | 'or';
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}
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/**
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* Takes a Permission and the users permission value and determines
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* if the user has access to the permission provided. If the user has
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* the admin permission, true will always be returned from this check!
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*
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* @param permissions Single permission or array of permissions
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* @param value users current permission value
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* @param options Extra options to control permission check behavior (mainly for arrays)
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*/
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export const hasPermission = (
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permissions: Permission | Permission[],
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value: number,
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options: PermissionCheckOptions = { type: 'and' }
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): boolean => {
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let total = 0;
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// If we are not checking any permissions, bail out and return true
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if (permissions === 0) {
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return true;
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}
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if (Array.isArray(permissions)) {
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if (value & Permission.ADMIN) {
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return true;
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}
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switch (options.type) {
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case 'and':
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return permissions.every((permission) => !!(value & permission));
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case 'or':
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return permissions.some((permission) => !!(value & permission));
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}
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} else {
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total = permissions;
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}
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return !!(value & Permission.ADMIN) || !!(value & total);
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};
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