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const {
Boolean,
ObjectSetPrototypeOf,
Symbol
} = primordials;
const {
BlockList: BlockListHandle,
} = internalBinding('block_list');
const {
customInspectSymbol: kInspect,
} = require('internal/util');
const {
SocketAddress,
kHandle: kSocketAddressHandle,
} = require('internal/socketaddress');
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_VALUE,
} = require('internal/errors').codes;
const { validateInt32, validateString } = 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 (!SocketAddress.isSocketAddress(address)) {
validateString(address, 'address');
validateString(family, 'family');
address = new SocketAddress({
address,
family,
});
}
this[kHandle].addAddress(address[kSocketAddressHandle]);
}
addRange(start, end, family = 'ipv4') {
if (!SocketAddress.isSocketAddress(start)) {
validateString(start, 'start');
validateString(family, 'family');
start = new SocketAddress({
address: start,
family,
});
}
if (!SocketAddress.isSocketAddress(end)) {
validateString(end, 'end');
validateString(family, 'family');
end = new SocketAddress({
address: end,
family,
});
}
const ret = this[kHandle].addRange(
start[kSocketAddressHandle],
end[kSocketAddressHandle]);
if (ret === false)
throw new ERR_INVALID_ARG_VALUE('start', start, 'must come before end');
}
addSubnet(network, prefix, family = 'ipv4') {
if (!SocketAddress.isSocketAddress(network)) {
validateString(network, 'network');
validateString(family, 'family');
network = new SocketAddress({
address: network,
family,
});
}
switch (network.family) {
case 'ipv4':
validateInt32(prefix, 'prefix', 0, 32);
break;
case 'ipv6':
validateInt32(prefix, 'prefix', 0, 128);
break;
}
this[kHandle].addSubnet(network[kSocketAddressHandle], prefix);
}
check(address, family = 'ipv4') {
if (!SocketAddress.isSocketAddress(address)) {
validateString(address, 'address');
validateString(family, 'family');
try {
address = new SocketAddress({
address,
family,
});
} catch {
// Ignore the error. If it's not a valid address, return false.
return false;
}
}
return Boolean(this[kHandle].check(address[kSocketAddressHandle]));
}
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,
};
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