92 lines
2.2 KiB
Crystal
92 lines
2.2 KiB
Crystal
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# Store a DNS zone.
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class DNSManager::Storage::Zone
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include JSON::Serializable
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property domain : String
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property resources = [] of DNSManager::Storage::Zone::ResourceRecord
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def initialize(@domain)
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end
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# Store a Resource Record: A, AAAA, TXT, PTR, CNAME…
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abstract class ResourceRecord
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include JSON::Serializable
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use_json_discriminator "type", {
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a: A,
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aaaa: AAAA,
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soa: SOA,
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txt: TXT,
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ptr: PTR,
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ns: NS,
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cname: CNAME,
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mx: MX,
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srv: SRV
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}
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# Used to discriminate between classes.
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property type : String = ""
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property name : String
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property ttl : UInt32
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property target : String
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# zone class is omited, it always will be IN in our case.
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def initialize(@name, @ttl, @target)
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@type = self.name.downcase.gsub /dnsmanager::storage::zone::/, ""
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end
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end
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class SOA < ResourceRecord
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# Start of Authority
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property mname : String # Master Name Server for the zone.
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property rname : String # admin email address john.doe@example.com => john\.doe.example.com
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property serial : UInt64 = 0 # Number for tracking new versions of the zone (master-slaves).
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property refresh : UInt64 = 86400 # #seconds before requesting new zone version (master-slave).
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property retry : UInt64 = 7200 # #seconds before retry accessing new data from the master.
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property expire : UInt64 = 3600000# #seconds slaves should consider master dead.
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def initialize(@name, @ttl, @target,
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@mname, @rname,
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@serial = 0, @refresh = 86400, @retry = 7200, @expire = 3600000)
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@type = "soa"
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end
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end
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class A < ResourceRecord
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end
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class AAAA < ResourceRecord
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end
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class TXT < ResourceRecord
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end
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class PTR < ResourceRecord
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end
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class NS < ResourceRecord
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end
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class CNAME < ResourceRecord
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end
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class MX < ResourceRecord
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property priority : UInt32 = 10
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def initialize(@name, @ttl, @target, @priority = 10)
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@type = "mx"
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end
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end
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class SRV < ResourceRecord
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property port : UInt16
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property protocol : String = "tcp"
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property priority : UInt32 = 10
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property weight : UInt32 = 10
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def initialize(@name, @ttl, @target, @port, @protocol = "tcp", @priority = 10, @weight = 10)
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@type = "srv"
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end
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end
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def to_s(io : IO)
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io << "TEST"
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end
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end
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