Bluesky login with federation

proper_way.rb

# "proper" way, more future- and federation-proof

handle = form.get('handle')
password = form.get('password')

if dns_record = lookup_dns("_atproto.#{handle}")
  did = did_from_dns(dns_record)
elsif res = open_url("https://#{handle}/.well-known/atproto-did")
  did = did_from_well_known(res)
else
  raise "handle could not be resolved"
end

if did.type == 'plc'
  did_doc = open_url("https://plc.directory/#{did}")
elsif did.type == 'web'
  did_doc = open_url("https://#{host}/.well-known/did.json")
else
  raise "unknown did type"
end

pds_host = did_doc['service'][0]['serviceEndpoint']

client = Client.new(pds_host)
client.log_in(handle, password)

client.post("hello world")

using_appview.rb

# shortcut via appview

handle = form.get('handle')
password = form.get('password')

appview = Client.new('api.bsky.app')
did = appview.resolveHandle(handle)

if did.type == 'plc'
  did_doc = open_url("https://plc.directory/#{did}")
elsif did.type == 'web'
  did_doc = open_url("https://#{host}/.well-known/did.json")
else
  raise "unknown did type"
end

pds_host = did_doc['service'][0]['serviceEndpoint']

client = Client.new(pds_host)
client.log_in(handle, password)

client.post("hello world")

using_bsky_social.rb

# transitional way using bsky.social login, until full federation

handle = form.get('handle')
password = form.get('password')

social = Client.new('bsky.social')
res = social.log_in(handle, password)

pds_host = res['didDoc']['service'][0]['serviceEndpoint']

client = Client.new(pds_host, access: res['accessJwt'])
client.post("hello world")