/
blocklist.js
153 lines (131 loc) Β· 4.06 KB
/
blocklist.js
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'use strict';
const {
Boolean,
ObjectSetPrototypeOf,
Symbol
} = primordials;
const {
BlockList: BlockListHandle,
AF_INET,
AF_INET6,
} = internalBinding('block_list');
const {
customInspectSymbol: kInspect,
} = require('internal/util');
const {
JSTransferable,
kClone,
kDeserialize,
} = require('internal/worker/js_transferable');
const { inspect } = require('internal/util/inspect');
const kHandle = Symbol('kHandle');
const { owner_symbol } = internalBinding('symbols');
const {
ERR_INVALID_ARG_TYPE,
ERR_INVALID_ARG_VALUE,
} = require('internal/errors').codes;
const { validateInt32 } = require('internal/validators');
class BlockList extends JSTransferable {
constructor() {
super();
this[kHandle] = new BlockListHandle();
this[kHandle][owner_symbol] = this;
}
[kInspect](depth, options) {
if (depth < 0)
return this;
const opts = {
...options,
depth: options.depth == null ? null : options.depth - 1
};
return `BlockList ${inspect({
rules: this.rules
}, opts)}`;
}
addAddress(address, family = 'ipv4') {
if (typeof address !== 'string')
throw new ERR_INVALID_ARG_TYPE('address', 'string', address);
if (typeof family !== 'string')
throw new ERR_INVALID_ARG_TYPE('family', 'string', family);
family = family.toLowerCase();
if (family !== 'ipv4' && family !== 'ipv6')
throw new ERR_INVALID_ARG_VALUE('family', family);
const type = family === 'ipv4' ? AF_INET : AF_INET6;
this[kHandle].addAddress(address, type);
}
addRange(start, end, family = 'ipv4') {
if (typeof start !== 'string')
throw new ERR_INVALID_ARG_TYPE('start', 'string', start);
if (typeof end !== 'string')
throw new ERR_INVALID_ARG_TYPE('end', 'string', end);
if (typeof family !== 'string')
throw new ERR_INVALID_ARG_TYPE('family', 'string', family);
family = family.toLowerCase();
if (family !== 'ipv4' && family !== 'ipv6')
throw new ERR_INVALID_ARG_VALUE('family', family);
const type = family === 'ipv4' ? AF_INET : AF_INET6;
const ret = this[kHandle].addRange(start, end, type);
if (ret === false)
throw new ERR_INVALID_ARG_VALUE('start', start, 'must come before end');
}
addSubnet(network, prefix, family = 'ipv4') {
if (typeof network !== 'string')
throw new ERR_INVALID_ARG_TYPE('network', 'string', network);
if (typeof family !== 'string')
throw new ERR_INVALID_ARG_TYPE('family', 'string', family);
family = family.toLowerCase();
let type;
switch (family) {
case 'ipv4':
type = AF_INET;
validateInt32(prefix, 'prefix', 0, 32);
break;
case 'ipv6':
type = AF_INET6;
validateInt32(prefix, 'prefix', 0, 128);
break;
default:
throw new ERR_INVALID_ARG_VALUE('family', family);
}
this[kHandle].addSubnet(network, type, prefix);
}
check(address, family = 'ipv4') {
if (typeof address !== 'string')
throw new ERR_INVALID_ARG_TYPE('address', 'string', address);
if (typeof family !== 'string')
throw new ERR_INVALID_ARG_TYPE('family', 'string', family);
family = family.toLowerCase();
if (family !== 'ipv4' && family !== 'ipv6')
throw new ERR_INVALID_ARG_VALUE('family', family);
const type = family === 'ipv4' ? AF_INET : AF_INET6;
return Boolean(this[kHandle].check(address, type));
}
get rules() {
return this[kHandle].getRules();
}
[kClone]() {
const handle = this[kHandle];
return {
data: { handle },
deserializeInfo: 'internal/blocklist:InternalBlockList',
};
}
[kDeserialize]({ handle }) {
this[kHandle] = handle;
this[kHandle][owner_symbol] = this;
}
}
class InternalBlockList extends JSTransferable {
constructor(handle) {
super();
this[kHandle] = handle;
if (handle !== undefined)
handle[owner_symbol] = this;
}
}
InternalBlockList.prototype.constructor = BlockList.prototype.constructor;
ObjectSetPrototypeOf(InternalBlockList.prototype, BlockList.prototype);
module.exports = {
BlockList,
InternalBlockList,
};