mirror of
https://github.com/danog/dns-over-https.git
synced 2024-11-29 20:09:05 +01:00
49 lines
1.9 KiB
Markdown
49 lines
1.9 KiB
Markdown
# dns
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[](https://travis-ci.org/danog/dns-over-https)
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[](https://coveralls.io/github/danog/dns-over-https?branch=master)
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`danog/dns-over-https` provides asynchronous and secure DNS-over-HTTPS name resolution for [Amp](https://github.com/amphp/amp).
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Supports [RFC 8484](https://tools.ietf.org/html/rfc8484) POST and GET syntaxes as well as [Google's proprietary JSON DNS format](https://developers.google.com/speed/public-dns/docs/dns-over-https).
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Supports passing custom headers for [domain fronting](https://en.wikipedia.org/wiki/Domain_fronting) with google DNS.
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## Installation
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```bash
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composer require danog/dns-over-https
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```
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## Example
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```php
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<?php
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require __DIR__ . '/examples/_bootstrap.php';
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use Amp\DoH;
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use Amp\Dns;
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use Amp\Loop;
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Loop::run(function () {
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// Set default resolver to DNS-over-HTTPS resolver
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$DohConfig = new DoH\DoHConfig([new DoH\Nameserver('https://mozilla.cloudflare-dns.com/dns-query')]); // Defaults to DoH\Nameserver::RFC8484_POST
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Dns\resolver(new DoH\Rfc8484StubResolver($DohConfig));
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$githubIpv4 = yield Dns\resolve("github.com", Dns\Record::A);
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pretty_print_records("github.com", $githubIpv4);
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$googleIpv4 = Amp\Dns\resolve("google.com", Dns\Record::A);
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$googleIpv6 = Amp\Dns\resolve("google.com", Dns\Record::AAAA);
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$firstGoogleResult = yield Amp\Promise\first([$googleIpv4, $googleIpv6]);
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pretty_print_records("google.com", $firstGoogleResult);
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$combinedGoogleResult = yield Amp\Dns\resolve("google.com");
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pretty_print_records("google.com", $combinedGoogleResult);
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$googleMx = yield Amp\Dns\query("google.com", Amp\Dns\Record::MX);
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pretty_print_records("google.com", $googleMx);
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});
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```
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