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| 1 | +package libdnsspaceship |
| 2 | + |
| 3 | +import ( |
| 4 | + "net/netip" |
| 5 | + "strconv" |
| 6 | + "strings" |
| 7 | + "time" |
| 8 | + |
| 9 | + "github.com/libdns/libdns" |
| 10 | +) |
| 11 | + |
| 12 | +// toLibdnsRR converts a spaceshipRecordUnion (API) to a libdns.Record |
| 13 | +func (p *Provider) toLibdnsRR(sr spaceshipRecordUnion, zone string) libdns.Record { |
| 14 | + // normalize name relative to zone |
| 15 | + name := strings.TrimSuffix(sr.Name, "."+zone) |
| 16 | + name = strings.TrimSuffix(name, ".") |
| 17 | + if name == zone || sr.Name == zone { |
| 18 | + name = "" |
| 19 | + } |
| 20 | + ttl := time.Duration(sr.TTL) * time.Second |
| 21 | + |
| 22 | + switch strings.ToUpper(sr.Type) { |
| 23 | + case "A", "AAAA": |
| 24 | + if sr.Address != "" { |
| 25 | + if ip, err := netip.ParseAddr(sr.Address); err == nil { |
| 26 | + return libdns.Address{Name: name, TTL: ttl, IP: ip, ProviderData: sr} |
| 27 | + } |
| 28 | + } |
| 29 | + case "TXT": |
| 30 | + return libdns.TXT{Name: name, TTL: ttl, Text: sr.Value, ProviderData: sr} |
| 31 | + case "CNAME": |
| 32 | + return libdns.CNAME{Name: name, TTL: ttl, Target: sr.Cname, ProviderData: sr} |
| 33 | + case "MX": |
| 34 | + return libdns.MX{Name: name, TTL: ttl, Target: sr.Exchange, Preference: uint16(sr.Preference), ProviderData: sr} |
| 35 | + case "SRV": |
| 36 | + // extract service/transport from name if present |
| 37 | + service, transport := "", "" |
| 38 | + if sr.Name != "" { |
| 39 | + labels := strings.Split(sr.Name, ".") |
| 40 | + if len(labels) >= 2 { |
| 41 | + service = strings.TrimPrefix(labels[0], "_") |
| 42 | + transport = strings.TrimPrefix(labels[1], "_") |
| 43 | + } |
| 44 | + } |
| 45 | + port := sr.PortInt |
| 46 | + if port == 0 { |
| 47 | + switch pv := sr.Port.(type) { |
| 48 | + case string: |
| 49 | + if v, err := strconv.Atoi(strings.TrimPrefix(pv, "_")); err == nil { |
| 50 | + port = v |
| 51 | + } |
| 52 | + case float64: |
| 53 | + port = int(pv) |
| 54 | + case int: |
| 55 | + port = pv |
| 56 | + } |
| 57 | + } |
| 58 | + return libdns.SRV{Name: name, TTL: ttl, Service: service, Transport: transport, Priority: uint16(sr.Priority), Weight: uint16(sr.Weight), Port: uint16(port), Target: sr.Target, ProviderData: sr} |
| 59 | + case "NS": |
| 60 | + // Use libdns.NS for nameserver records |
| 61 | + return libdns.NS{Name: name, TTL: ttl, Target: sr.Nameserver, ProviderData: sr} |
| 62 | + case "CAA": |
| 63 | + // Use libdns.CAA as the typed representation |
| 64 | + // convert stored union fields into a libdns.CAA value |
| 65 | + flag := 0 |
| 66 | + if sr.Flag != nil { |
| 67 | + flag = *sr.Flag |
| 68 | + } |
| 69 | + var f8 uint8 |
| 70 | + if flag < 0 { |
| 71 | + f8 = 0 |
| 72 | + } else if flag > 255 { |
| 73 | + f8 = 255 |
| 74 | + } else { |
| 75 | + f8 = uint8(flag) |
| 76 | + } |
| 77 | + return libdns.CAA{Name: name, TTL: ttl, Flags: f8, Tag: sr.Tag, Value: sr.Value, ProviderData: sr} |
| 78 | + case "HTTPS": |
| 79 | + // Convert to libdns.ServiceBinding with scheme "https" |
| 80 | + var params libdns.SvcParams |
| 81 | + if sr.SvcParams != "" { |
| 82 | + if p, err := libdns.ParseSvcParams(sr.SvcParams); err == nil { |
| 83 | + params = p |
| 84 | + } |
| 85 | + } |
| 86 | + target := sr.SvcTarget |
| 87 | + if target == "" { |
| 88 | + target = sr.TargetName |
| 89 | + } |
| 90 | + return libdns.ServiceBinding{ |
| 91 | + Name: name, |
| 92 | + TTL: ttl, |
| 93 | + Scheme: "https", |
| 94 | + Priority: uint16(sr.SvcPriority), |
| 95 | + Target: target, |
| 96 | + Params: params, |
| 97 | + ProviderData: sr, |
| 98 | + } |
| 99 | + } |
| 100 | + // Return nil for unsupported record types (including PTR) - they will be filtered out |
| 101 | + return nil |
| 102 | +} |
| 103 | + |
| 104 | +// fromLibdnsRR converts a libdns.Record into a spaceshipRecordUnion suitable for create/update |
| 105 | +// Returns nil for unsupported record types |
| 106 | +func (p *Provider) fromLibdnsRR(lr libdns.Record, zone string) *spaceshipRecordUnion { |
| 107 | + rr := lr.RR() |
| 108 | + name := rr.Name |
| 109 | + if name == "" { |
| 110 | + name = "@" |
| 111 | + } else { |
| 112 | + name = libdns.AbsoluteName(rr.Name, zone) |
| 113 | + } |
| 114 | + rec := spaceshipRecordUnion{ResourceRecordBase: ResourceRecordBase{Name: name, Type: strings.ToUpper(rr.Type), TTL: int(rr.TTL.Seconds())}} |
| 115 | + |
| 116 | + // MX handled specially |
| 117 | + if mx, ok := lr.(libdns.MX); ok { |
| 118 | + rec.Exchange = mx.Target |
| 119 | + rec.Preference = int(mx.Preference) |
| 120 | + return &rec |
| 121 | + } |
| 122 | + |
| 123 | + // Handle SRV records |
| 124 | + if srv, ok := lr.(libdns.SRV); ok { |
| 125 | + // map libdns.SRV fields into the spaceship payload |
| 126 | + rec.Service = "_" + strings.TrimPrefix(srv.Service, "_") |
| 127 | + rec.Protocol = "_" + strings.TrimPrefix(srv.Transport, "_") |
| 128 | + rec.Priority = int(srv.Priority) |
| 129 | + rec.Weight = int(srv.Weight) |
| 130 | + rec.Target = srv.Target |
| 131 | + rec.PortInt = int(srv.Port) |
| 132 | + if rec.PortInt != 0 { |
| 133 | + rec.Port = rec.PortInt |
| 134 | + } |
| 135 | + return &rec |
| 136 | + } |
| 137 | + |
| 138 | + // Handle NS records |
| 139 | + if ns, ok := lr.(libdns.NS); ok { |
| 140 | + rec.Nameserver = ns.Target |
| 141 | + return &rec |
| 142 | + } |
| 143 | + |
| 144 | + // Handle CAA records |
| 145 | + if caa, ok := lr.(libdns.CAA); ok { |
| 146 | + tmpFlag := new(int) |
| 147 | + *tmpFlag = int(caa.Flags) |
| 148 | + rec.Flag = tmpFlag |
| 149 | + rec.Tag = caa.Tag |
| 150 | + rec.Value = caa.Value |
| 151 | + return &rec |
| 152 | + } |
| 153 | + |
| 154 | + // Handle ServiceBinding (HTTPS) records |
| 155 | + if svc, ok := lr.(libdns.ServiceBinding); ok { |
| 156 | + // Only handle HTTPS records (ServiceBinding with scheme "https") |
| 157 | + if strings.ToLower(svc.Scheme) == "https" { |
| 158 | + rec.Type = "HTTPS" |
| 159 | + rec.SvcPriority = int(svc.Priority) |
| 160 | + rec.TargetName = svc.Target // Use TargetName for API compatibility |
| 161 | + rec.SvcParams = svc.Params.String() |
| 162 | + return &rec |
| 163 | + } |
| 164 | + // For non-HTTPS ServiceBinding records, return nil (unsupported) |
| 165 | + return nil |
| 166 | + } |
| 167 | + |
| 168 | + switch v := lr.(type) { |
| 169 | + case libdns.Address: |
| 170 | + rec.Address = v.IP.String() |
| 171 | + case libdns.TXT: |
| 172 | + rec.Value = v.Text |
| 173 | + case libdns.CNAME: |
| 174 | + rec.Cname = v.Target |
| 175 | + case libdns.MX: |
| 176 | + // already handled |
| 177 | + default: |
| 178 | + // Unsupported record type (including libdns.RR) |
| 179 | + return nil |
| 180 | + } |
| 181 | + return &rec |
| 182 | +} |
| 183 | + |
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