Module: Nostrb::Names

Defined in:
lib/nostrb/names.rb

Overview

NIP-05

Constant Summary collapse

LOCAL = 
/\A[_a-z0-0\-.]+\z/i
DOMAIN = 
/\A[a-z0-9\-.]+\z/i

Class Method Summary collapse

Class Method Details

.extract_names(json) ⇒ Object

look for a pubkey: “names”:{“bob”:“b0b0…b0”} the pubkey at the URL should match the pubkey from the profile event



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# File 'lib/nostrb/names.rb', line 40

def self.extract_names(json)
  hsh = Nostrb.parse(json).fetch("names")
  hsh.each { |name, pubkey|
    Nostrb.txt!(name)
    Nostrb.pubkey!(pubkey)
  }
  hsh
end

.extract_nip05(json) ⇒ Object

content: <JSON> kind: 0 (set_metadata) JSON:

name:
about:
picture:
nip05: [email protected]



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# File 'lib/nostrb/names.rb', line 25

def self.extract_nip05(json)
  addr = Nostrb.parse(json)['nip05']
  identifier(addr) if addr
end

.extract_relays(json) ⇒ Object

or even relays too: “names”:{“bob”:“b0b0…b0”

"relays":{
  "b0b0...b0":["wss://relay.example.com/","wss://relay2.example.com/"]
}

}



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# File 'lib/nostrb/names.rb', line 55

def self.extract_relays(json)
  hsh = Nostrb.parse(json).fetch("relays")
  hsh.each { |pubkey, urls|
    Nostrb.pubkey!(pubkey)
    Nostrb.ary!(urls)
    urls.each { |u| Nostrb.txt!(u) }
  }
  hsh
end

.identifier(str) ⇒ Object

given [email protected], return [bob, example.com]



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# File 'lib/nostrb/names.rb', line 10

def self.identifier(str)
  a = str.split('@')
  raise "unexpected #{a.inspect}" unless a.length == 2
  raise "bad local: #{a[0]}" unless LOCAL.match a[0]
  raise "bad domain #{a[1]}" unless DOMAIN.match a[1]
  a
end

.well_known_url(local, domain) ⇒ Object

when we get bob’s profile back, if it has a nip05 field visit: example.com/.well-known/nostr.json?name=bob



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# File 'lib/nostrb/names.rb', line 33

def self.well_known_url(local, domain)
  format("https://%s/.well-known/nostr.json?name=%s", domain, local)
end