ae8de95d89
Merge in DNS/adguard-home from 2234-move-to-internal to master
Squashed commit of the following:
commit d26a288cabeac86f9483fab307677b1027c78524
Author: Eugene Burkov <e.burkov@adguard.com>
Date: Fri Oct 30 12:44:18 2020 +0300
* all: move internal Go packages to internal/
Closes #2234.
114 lines
2.7 KiB
Go
114 lines
2.7 KiB
Go
package home
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import (
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"fmt"
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"net"
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"net/http"
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uuid "github.com/satori/go.uuid"
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"howett.net/plist"
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)
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type DNSSettings struct {
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DNSProtocol string
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ServerURL string `plist:",omitempty"`
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ServerName string `plist:",omitempty"`
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}
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type PayloadContent struct {
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Name string
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PayloadDescription string
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PayloadDisplayName string
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PayloadIdentifier string
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PayloadType string
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PayloadUUID string
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PayloadVersion int
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DNSSettings DNSSettings
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}
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type MobileConfig struct {
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PayloadContent []PayloadContent
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PayloadDescription string
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PayloadDisplayName string
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PayloadIdentifier string
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PayloadRemovalDisallowed bool
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PayloadType string
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PayloadUUID string
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PayloadVersion int
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}
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func genUUIDv4() string {
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return uuid.NewV4().String()
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}
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const (
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dnsProtoHTTPS = "HTTPS"
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dnsProtoTLS = "TLS"
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)
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func getMobileConfig(d DNSSettings) ([]byte, error) {
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var name string
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switch d.DNSProtocol {
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case dnsProtoHTTPS:
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name = fmt.Sprintf("%s DoH", d.ServerName)
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case dnsProtoTLS:
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name = fmt.Sprintf("%s DoT", d.ServerName)
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default:
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return nil, fmt.Errorf("bad dns protocol %q", d.DNSProtocol)
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}
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data := MobileConfig{
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PayloadContent: []PayloadContent{{
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Name: name,
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PayloadDescription: "Configures device to use AdGuard Home",
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PayloadDisplayName: name,
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PayloadIdentifier: fmt.Sprintf("com.apple.dnsSettings.managed.%s", genUUIDv4()),
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PayloadType: "com.apple.dnsSettings.managed",
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PayloadUUID: genUUIDv4(),
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PayloadVersion: 1,
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DNSSettings: d,
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}},
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PayloadDescription: "Adds AdGuard Home to Big Sur and iOS 14 or newer systems",
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PayloadDisplayName: name,
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PayloadIdentifier: genUUIDv4(),
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PayloadRemovalDisallowed: false,
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PayloadType: "Configuration",
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PayloadUUID: genUUIDv4(),
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PayloadVersion: 1,
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}
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return plist.MarshalIndent(data, plist.XMLFormat, "\t")
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}
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func handleMobileConfig(w http.ResponseWriter, d DNSSettings) {
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mobileconfig, err := getMobileConfig(d)
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if err != nil {
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httpError(w, http.StatusInternalServerError, "plist.MarshalIndent: %s", err)
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}
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w.Header().Set("Content-Type", "application/xml")
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_, _ = w.Write(mobileconfig)
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}
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func handleMobileConfigDoh(w http.ResponseWriter, r *http.Request) {
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handleMobileConfig(w, DNSSettings{
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DNSProtocol: dnsProtoHTTPS,
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ServerURL: fmt.Sprintf("https://%s/dns-query", r.Host),
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})
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}
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func handleMobileConfigDot(w http.ResponseWriter, r *http.Request) {
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var err error
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var host string
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host, _, err = net.SplitHostPort(r.Host)
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if err != nil {
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httpError(w, http.StatusBadRequest, "getting host: %s", err)
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}
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handleMobileConfig(w, DNSSettings{
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DNSProtocol: dnsProtoTLS,
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ServerName: host,
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})
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}
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