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/*
* Copyright (C)2014-2020 Haxe Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
package js.node;
import haxe.extern.EitherType;
#if haxe4
import js.lib.Error;
#else
import js.Error;
#end
/**
Enumeration of possible Int `options` values for `Dns.lookup`.
**/
@:enum abstract DnsAddressFamily(Int) from Int to Int {
var IPv4 = 4;
var IPv6 = 6;
}
/**
Type of the `options` argument for `Dns.lookup`.
**/
typedef DnsLookupOptions = {
/**
The record family. If not provided, both IP v4 and v6 addresses are accepted.
**/
@:optional var family:DnsAddressFamily;
/**
If present, it should be one or more of the supported `getaddrinfo` flags.
If hints is not provided, then no flags are passed to `getaddrinfo`.
Multiple flags can be passed through hints by logically ORing their values.
**/
@:optional var hints:Int;
/**
When true, the callback returns all resolved addresses in an array, otherwise returns a single address.
Defaults to false.
**/
@:optional var all:Bool;
}
/**
Enumeration of possible `rrtype` value for `Dns.resolve`.
**/
@:enum abstract DnsRrtype(String) from String to String {
/**
IPV4 addresses, default
**/
var A = "A";
/**
IPV6 addresses
**/
var AAAA = "AAAA";
/**
mail exchange records
**/
var MX = "MX";
/**
text records
**/
var TXT = "TXT";
/**
SRV records
**/
var SRV = "SRV";
/**
used for reverse IP lookups
**/
var PTR = "PTR";
/**
name server records
**/
var NS = "NS";
/**
canonical name records
**/
var CNAME = "CNAME";
/**
start of authority record
**/
var SOA = "SOA";
}
/**
Types of address data returned by `resolve` functions.
**/
typedef DnsResolvedAddressMX = {priority:Int, exchange:String};
typedef DnsResolvedAddressSRV = {priority:Int, weight:Int, port:Int, name:String};
typedef DnsResolvedAddressSOA = {nsname:String, hostmaster:String, serial:Int, refresh:Int, retry:Int, expire:Int, minttl:Int};
typedef DnsResolvedAddress = EitherType<String, EitherType<DnsResolvedAddressMX, EitherType<DnsResolvedAddressSOA, DnsResolvedAddressSRV>>>;
/**
Error objects returned by dns lookups are of this type
**/
extern class DnsError extends Error {
/**
Values for error codes are listed in `Dns` class.
**/
var code(default, null):DnsErrorCode;
}
/**
Each DNS query can return one of the following error codes
**/
@:jsRequire("dns")
@:enum extern abstract DnsErrorCode(String) {
/**
DNS server returned answer with no data.
**/
var NODATA;
/**
DNS server claims query was misformatted.
**/
var FORMERR;
/**
DNS server returned general failure.
**/
var SERVFAIL;
/**
Domain name not found.
**/
var NOTFOUND;
/**
DNS server does not implement requested operation.
**/
var NOTIMP;
/**
DNS server refused query.
**/
var REFUSED;
/**
Misformatted DNS query.
**/
var BADQUERY;
/**
Misformatted domain name.
**/
var BADNAME;
/**
Unsupported address family.
**/
var BADFAMILY;
/**
Misformatted DNS reply.
**/
var BADRESP;
/**
Could not contact DNS servers.
**/
var CONNREFUSED;
/**
Timeout while contacting DNS servers.
**/
var TIMEOUT;
/**
End of file.
**/
var EOF;
/**
Error reading file.
**/
var FILE;
/**
Out of memory.
**/
var NOMEM;
/**
Channel is being destroyed.
**/
var DESTRUCTION;
/**
Misformatted string.
**/
var BADSTR;
/**
Illegal flags specified.
**/
var BADFLAGS;
/**
Given hostname is not numeric.
**/
var NONAME;
/**
Illegal hints flags specified.
**/
var BADHINTS;
/**
c-ares library initialization not yet performed.
**/
var NOTINITIALIZED;
/**
Error loading iphlpapi.dll.
**/
var LOADIPHLPAPI;
/**
Could not find GetNetworkParams function.
**/
var ADDRGETNETWORKPARAMS;
/**
DNS query cancelled.
**/
var CANCELLED;
}
typedef DnsLookupCallbackSingle = #if (haxe_ver >= 4) (err : DnsError, address : String, family : DnsAddressFamily) -> Void; #else DnsError->String->
DnsAddressFamily->Void #end
typedef DnsLookupCallbackAll = #if (haxe_ver >= 4) (err : DnsError, addresses : Array<DnsLookupCallbackAllEntry>) -> Void; #else DnsError->
Array<DnsLookupCallbackAllEntry>->Void; #end
typedef DnsLookupCallbackAllEntry = {address:String, family:DnsAddressFamily};
/**
This module contains functions that belong to two different categories:
1) Functions that use the underlying operating system facilities to perform name resolution,
and that do not necessarily do any network communication. This category contains only one function: `lookup`.
Developers looking to perform name resolution in the same way that other applications on the same operating
system behave should use `lookup`.
2) Functions that connect to an actual DNS server to perform name resolution,
and that always use the network to perform DNS queries. This category contains all functions in the dns module but `lookup`.
These functions do not use the same set of configuration files than what `lookup` uses. For instance,
they do not use the configuration from /etc/hosts. These functions should be used by developers who do not want
to use the underlying operating system's facilities for name resolution, and instead want to always perform DNS queries.
**/
@:jsRequire("dns")
extern class Dns {
/**
Resolves a `hostname` (e.g. 'google.com') into the first found A (IPv4) or AAAA (IPv6) record.
If `options` is not provided, then IP v4 and v6 addresses are both valid.
The `family` can be the integer 4 or 6. Defaults to null that indicates both Ip v4 and v6 address family.
The `callback` has arguments (err, address, family).
The `address` argument is a string representation of a IP v4 or v6 address.
The `family` argument is either the integer 4 or 6 and denotes the family
of address (not necessarily the value initially passed to lookup).
With the `all` option set, the arguments change to (err, addresses), with addresses being an array of objects
with the properties `address` and `family`.
Keep in mind that `err.code` will be set to 'ENOENT' not only when the hostname does not exist but
also when the lookup fails in other ways such as no available file descriptors.
`lookup` doesn't necessarily have anything to do with the DNS protocol. It's only an operating system facility
that can associate name with addresses, and vice versa.
**/
@:overload(function(hostname:String, options:EitherType<DnsAddressFamily, DnsLookupOptions>,
callback:EitherType<DnsLookupCallbackSingle, DnsLookupCallbackAll>):Void {})
static function lookup(hostname:String, callback:DnsLookupCallbackSingle):Void;
/**
A flag passed in the `hints` argument of `lookup` method.
Returned address types are determined by the types of addresses supported by the current system.
For example, IPv4 addresses are only returned if the current system has at least one IPv4 address configured.
Loopback addresses are not considered.
**/
static var ADDRCONFIG(default, null):Int;
/**
A flag passed in the `hints` argument of `lookup` method.
If the IPv6 family was specified, but no IPv6 addresses were found, then return IPv4 mapped IPv6 addresses.
Note that it is not supported on some operating systems (e.g FreeBSD 10.1).
**/
static var V4MAPPED(default, null):Int;
/**
Resolves the given `address` and `port` into a hostname and service using `getnameinfo`.
The `callback` has arguments (err, hostname, service).
The `hostname` and `service` arguments are strings (e.g. 'localhost' and 'http' respectively).
On error, `err` is an Error object, where `err.code` is the error code.
**/
static function lookupService(address:String, port:Int, callback:DnsError->String->String->Void):Void;
/**
Resolves a `hostname` (e.g. 'google.com') into an array of the record types specified by `rrtype`.
The `callback` has arguments (err, addresses).
The type of each item in `addresses` is determined by the record type,
and described in the documentation for the corresponding lookup methods below.
On error, `err` is an Error object, where `err.code` is the error code.
**/
@:overload(function(hostname:String, callback:DnsError->Array<DnsResolvedAddress>->Void):Void {})
static function resolve(hostname:String, rrtype:DnsRrtype, callback:DnsError->Array<DnsResolvedAddress>->Void):Void;
/**
The same as `resolve`, but only for IPv4 queries (A records).
`addresses` is an array of IPv4 addresses (e.g. ['74.125.79.104', '74.125.79.105', '74.125.79.106']).
**/
static function resolve4(hostname:String, callback:DnsError->Array<String>->Void):Void;
/**
The same as `resolve4` except for IPv6 queries (an AAAA query).
**/
static function resolve6(hostname:String, callback:DnsError->Array<String>->Void):Void;
/**
The same as `resolve`, but only for mail exchange queries (MX records).
`addresses` is an array of MX records, each with a priority
and an exchange attribute (e.g. [{'priority': 10, 'exchange': 'mx.example.com'},...]).
**/
static function resolveMx(hostname:String, callback:DnsError->Array<DnsResolvedAddressMX>->Void):Void;
/**
The same as `resolve`, but only for text queries (TXT records).
`addresses` is a 2-d array of the text records available for hostname (e.g., [ ['v=spf1 ip4:0.0.0.0 ', '~all' ] ]).
Each sub-array contains TXT chunks of one record. Depending on the use case, the could be either joined together
or treated separately.
**/
static function resolveTxt(hostname:String, callback:DnsError->Array<Array<String>>->Void):Void;
/**
The same as `resolve`, but only for service records (SRV records).
`addresses` is an array of the SRV records available for `hostname`.
Properties of SRV records are priority, weight, port, and name
(e.g., [{'priority': 10, 'weight': 5, 'port': 21223, 'name': 'service.example.com'}, ...]).
**/
static function resolveSrv(hostname:String, callback:DnsError->Array<DnsResolvedAddressSRV>->Void):Void;
/**
Uses the DNS protocol to resolve pointer records (PTR records) for the `hostname`.
The addresses argument passed to the callback function will be an array of strings containing the reply records.
**/
static function resolvePtr(hostname:String, callback:DnsError->Array<String>->Void):Void;
/**
The same as `resolve`, but only for start of authority record queries (SOA record).
`addresses` is an object with the following structure:
{
nsname: 'ns.example.com',
hostmaster: 'root.example.com',
serial: 2013101809,
refresh: 10000,
retry: 2400,
expire: 604800,
minttl: 3600
}
**/
static function resolveSoa(hostname:String, callback:DnsError->DnsResolvedAddressSOA->Void):Void;
/**
The same as `resolve`, but only for name server records (NS records).
`addresses` is an array of the name server records available for hostname (e.g., ['ns1.example.com', 'ns2.example.com']).
**/
static function resolveNs(hostname:String, callback:DnsError->Array<String>->Void):Void;
/**
The same as `resolve`, but only for canonical name records (CNAME records).
`addresses` is an array of the canonical name records available for hostname (e.g., ['bar.example.com']).
**/
static function resolveCname(hostname:String, callback:DnsError->Array<String>->Void):Void;
/**
Reverse resolves an `ip` address to an array of hostnames.
The `callback` has arguments (err, hostname).
**/
static function reverse(ip:String, callback:DnsError->Array<String>->Void):Void;
/**
Returns an array of IP addresses as strings that are currently being used for resolution.
**/
static function getServers():Array<String>;
/**
Given an array of IP addresses as strings, set them as the servers to use for resolving.
If you specify a port with the address it will be stripped, as the underlying library doesn't support that.
This will throw if you pass invalid input.
**/
static function setServers(servers:Array<String>):Void;
}