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Move localhost fallback generation to Config, use cloudflare DNS as DNS fallback

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This commit is contained in:
Daniil Gentili 2018-12-24 16:23:04 +01:00
parent 2cc9e78a96
commit 861cc857b1
3 changed files with 13 additions and 23 deletions
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13
lib/BasicResolver.php
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@ -115,17 +115,6 @@ final class BasicResolver implements Resolver {
$name = normalizeDnsName($name);
if (in_array($name, ['localhost', 'localhost.'])) {
switch ($typeRestriction) {
case Record::A:
return [new Record('127.0.0.1', Record::A, null)];
case Record::AAAA:
return [new Record('::1', Record::AAAA, null)];
default:
return [new Record('127.0.0.1', Record::A, null), new Record('::1', Record::AAAA, null)];
}
}
if ($records = $this->queryHosts($name, $typeRestriction)) {
return $records;
}
@ -340,7 +329,7 @@ final class BasicResolver implements Resolver {
try {
$this->config = yield $this->configLoader->loadConfig();
} catch (\Exception $e) {
$this->config = new Config(['8.8.8.8:53', '8.8.4.4:53', '[2001:4860:4860::8888]:53', '[2001:4860:4860::8844]:53']);
$this->config = new Config(['1.1.1.1:53', '1.0.0.1:53', '[2606:4700:4700::1111]:53', '[2606:4700:4700::1001]:53']);
}
});

12
lib/Config.php
View File

@ -25,6 +25,18 @@ final class Config {
throw new ConfigException("Invalid attempt count ({$attempts}), must be 1 or greater");
}
// Windows does not include localhost in its host file. Fetch it from the system instead
if (!isset($knownHosts[Record::A]["localhost"]) && !isset($knownHosts[Record::AAAA]["localhost"])) {
// PHP currently provides no way to **resolve** IPv6 hostnames (not even with fallback)
$local = \gethostbyname("localhost");
if ($local !== "localhost") {
$knownHosts[Record::A]["localhost"] = $local;
} else {
$knownHosts[Record::A]["localhost"] = '127.0.0.1';
}
$knownHosts[Record::AAAA]["localhost"] = "::1";
}
$this->nameservers = $nameservers;
$this->knownHosts = $knownHosts;
$this->timeout = $timeout;

11
lib/HostLoader.php
View File

@ -58,17 +58,6 @@ class HostLoader {
}
}
// Windows does not include localhost in its host file. Fetch it from the system instead
if (!isset($data[Record::A]["localhost"]) && !isset($data[Record::AAAA]["localhost"])) {
// PHP currently provides no way to **resolve** IPv6 hostnames (not even with fallback)
$local = \gethostbyname("localhost");
if ($local !== "localhost") {
$data[Record::A]["localhost"] = $local;
} else {
$data[Record::AAAA]["localhost"] = "::1";
}
}
return $data;
});
}