98 lines
3.1 KiB
Go
98 lines
3.1 KiB
Go
package websvc
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"net/netip"
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"time"
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"github.com/AdguardTeam/AdGuardHome/internal/aghhttp"
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"github.com/AdguardTeam/AdGuardHome/internal/next/dnssvc"
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)
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// DNS Settings Handlers
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// ReqPatchSettingsDNS describes the request to the PATCH /api/v1/settings/dns
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// HTTP API.
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type ReqPatchSettingsDNS struct {
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// TODO(a.garipov): Add more as we go.
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Addresses []netip.AddrPort `json:"addresses"`
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BootstrapServers []string `json:"bootstrap_servers"`
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UpstreamServers []string `json:"upstream_servers"`
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DNS64Prefixes []netip.Prefix `json:"dns64_prefixes"`
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UpstreamTimeout aghhttp.JSONDuration `json:"upstream_timeout"`
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BootstrapPreferIPv6 bool `json:"bootstrap_prefer_ipv6"`
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UseDNS64 bool `json:"use_dns64"`
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}
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// HTTPAPIDNSSettings are the DNS settings as used by the HTTP API. See the
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// DnsSettings object in the OpenAPI specification.
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type HTTPAPIDNSSettings struct {
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// TODO(a.garipov): Add more as we go.
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Addresses []netip.AddrPort `json:"addresses"`
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BootstrapServers []string `json:"bootstrap_servers"`
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UpstreamServers []string `json:"upstream_servers"`
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DNS64Prefixes []netip.Prefix `json:"dns64_prefixes"`
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UpstreamTimeout aghhttp.JSONDuration `json:"upstream_timeout"`
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BootstrapPreferIPv6 bool `json:"bootstrap_prefer_ipv6"`
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UseDNS64 bool `json:"use_dns64"`
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}
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// handlePatchSettingsDNS is the handler for the PATCH /api/v1/settings/dns HTTP
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// API.
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func (svc *Service) handlePatchSettingsDNS(w http.ResponseWriter, r *http.Request) {
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req := &ReqPatchSettingsDNS{
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Addresses: []netip.AddrPort{},
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BootstrapServers: []string{},
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UpstreamServers: []string{},
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}
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// TODO(a.garipov): Validate nulls and proper JSON patch.
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err := json.NewDecoder(r.Body).Decode(&req)
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if err != nil {
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aghhttp.WriteJSONResponseError(w, r, fmt.Errorf("decoding: %w", err))
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return
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}
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newConf := &dnssvc.Config{
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Addresses: req.Addresses,
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BootstrapServers: req.BootstrapServers,
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UpstreamServers: req.UpstreamServers,
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DNS64Prefixes: req.DNS64Prefixes,
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UpstreamTimeout: time.Duration(req.UpstreamTimeout),
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BootstrapPreferIPv6: req.BootstrapPreferIPv6,
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UseDNS64: req.UseDNS64,
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}
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ctx := r.Context()
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err = svc.confMgr.UpdateDNS(ctx, newConf)
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if err != nil {
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aghhttp.WriteJSONResponseError(w, r, fmt.Errorf("updating: %w", err))
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return
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}
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newSvc := svc.confMgr.DNS()
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err = newSvc.Start()
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if err != nil {
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aghhttp.WriteJSONResponseError(w, r, fmt.Errorf("starting new service: %w", err))
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return
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}
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aghhttp.WriteJSONResponseOK(w, r, &HTTPAPIDNSSettings{
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Addresses: newConf.Addresses,
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BootstrapServers: newConf.BootstrapServers,
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UpstreamServers: newConf.UpstreamServers,
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DNS64Prefixes: newConf.DNS64Prefixes,
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UpstreamTimeout: aghhttp.JSONDuration(newConf.UpstreamTimeout),
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BootstrapPreferIPv6: newConf.BootstrapPreferIPv6,
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UseDNS64: newConf.UseDNS64,
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})
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}
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