43 lines
1.2 KiB
Go
43 lines
1.2 KiB
Go
package app
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import (
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"encoding/json"
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"os"
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"path/filepath"
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dnscfgpkg "selective-vpn-api/app/dnscfg"
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)
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func loadDNSUpstreamsConfFile() DNSUpstreams {
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data, err := os.ReadFile(dnsUpstreamsConf)
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if err != nil {
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return dnscfgUpstreamsToApp(dnscfgLegacyDefaults())
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}
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pkgCfg := dnscfgpkg.ParseUpstreamsConf(string(data), dnscfgLegacyDefaults(), normalizeDNSUpstream)
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return dnscfgUpstreamsToApp(pkgCfg)
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}
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func saveDNSUpstreamsConfFile(cfg DNSUpstreams) error {
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pkgCfg := dnscfgpkg.NormalizeUpstreams(dnscfgUpstreamsFromApp(cfg), dnscfgLegacyDefaults(), normalizeDNSUpstream)
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cfg = dnscfgUpstreamsToApp(pkgCfg)
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content := dnscfgpkg.RenderUpstreamsConf(pkgCfg)
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if err := os.MkdirAll(filepath.Dir(dnsUpstreamsConf), 0o755); err != nil {
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return err
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}
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tmp := dnsUpstreamsConf + ".tmp"
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if err := os.WriteFile(tmp, []byte(content), 0o644); err != nil {
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return err
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}
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if err := os.Rename(tmp, dnsUpstreamsConf); err != nil {
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return err
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}
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// Legacy JSON mirror for backward compatibility with older UI/runtime bits.
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_ = os.MkdirAll(stateDir, 0o755)
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if b, err := json.MarshalIndent(cfg, "", " "); err == nil {
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_ = os.WriteFile(dnsUpstreamsPath, b, 0o644)
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}
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return nil
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}
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