Class: Niconico::Live::API

Inherits:
Object
  • Object
show all
Defined in:
lib/niconico/live/api.rb

Defined Under Namespace

Classes: NoPublicKeyProvided

Constant Summary collapse

URL_GETPLAYERSTATUS = 
'http://ow.live.nicovideo.jp/api/getplayerstatus'.freeze
URL_WATCHINGRESERVATION_LIST = 
'http://live.nicovideo.jp/api/watchingreservation?mode=list'

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(agent) ⇒ API

Returns a new instance of API.



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# File 'lib/niconico/live/api.rb', line 14

def initialize(agent)
  @agent = agent
end

Instance Attribute Details

#agent ⇒ Object (readonly)

Returns the value of attribute agent.



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# File 'lib/niconico/live/api.rb', line 18

def agent
  @agent
end

Class Method Details

.parse_reservation_message(message) ⇒ Object 



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# File 'lib/niconico/live/api.rb', line 20

def self.parse_reservation_message(message)
  valid_until_message = message.match(/(?:使用|利用)?期限: (.+?)まで|(?:期限中、何度でも視聴できます|視聴権(?:利用|使用)期限が切れています|タイムシフト利用期間は終了しました)\s*\[(.+?)まで\]/)
  valid_message = message.match(/\[視聴期限未定\]/)

  case
  when message.match(/予約中\s*\[/)
    {status: :reserved, available: false}
  when valid_until_message || valid_message
    {}.tap do |reservation|
      if valid_until_message
        reservation[:expires_at] = Time.parse("#{valid_until_message[1] || valid_until_message[2]} +0900")
      end

      if message.include?('視聴権を使用し、タイムシフト視聴を行いますか？')
        reservation[:status] = :reserved
        reservation[:available] = true
      elsif message.include?('本番組は、タイムシフト視聴を行う事が可能です。') \
            || message.include?('期限中、何度でも視聴できます')
        reservation[:status] = :accepted
        reservation[:available] = true
      elsif message.include?('タイムシフト視聴をこれ以上行う事は出来ません。') \
            || message.include?('視聴権の利用期限が過ぎています。') \
            || message.include?('視聴権利用期限が切れています') \
            || message.include?('視聴権使用期限が切れています') \
            || message.include?('タイムシフト利用期間は終了しました') \
            || message.include?('アーカイブ公開期限は終了しました。')
        reservation[:status] = :outdated
        reservation[:available] = false
      end
    end
  else
    nil
  end
end

Instance Method Details

#accept_watching_reservation(id_) ⇒ Object 



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# File 'lib/niconico/live/api.rb', line 198

def accept_watching_reservation(id_)
  id = Util::normalize_id(id_, with_lv: false)

  page = agent.get("http://live.nicovideo.jp/api/watchingreservation?mode=watch_num&vid=#{id}&next_url&analytic")

  token = Util::fetch_token(@agent)
  page = agent.post("http://live.nicovideo.jp/api/watchingreservation",
                    mode: 'auto_register', vid: id, token: token, '_' => '')

  token = Util::fetch_token(@agent)
  page = agent.post("http://live.nicovideo.jp/api/watchingreservation",
                    accept: 'true', mode: 'use', vid: id, token: token)
end

#decrypt_encrypted_player_status(body, public_key) ⇒ Object 



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# File 'lib/niconico/live/api.rb', line 212

def decrypt_encrypted_player_status(body, public_key)
  unless public_key
    raise NoPublicKeyProvided,
      'You should provide proper public key to decrypt ' \
      'encrypted player status'
  end

  lines = body.lines
  pubkey = OpenSSL::PKey::RSA.new(public_key)

  encrypted_shared_key = lines[1].unpack('m*')[0]
  shared_key_raw = pubkey.public_decrypt(encrypted_shared_key)
  shared_key = shared_key_raw.unpack('L>*')[0].to_s

  cipher = OpenSSL::Cipher.new('bf-ecb').decrypt
  cipher.padding = 0
  cipher.key_len = shared_key.size
  cipher.key = shared_key

  encrypted_body = lines[2].unpack('m*')[0]

  body = cipher.update(encrypted_body) + cipher.final
  body.force_encoding('utf-8')
end

#get(id) ⇒ Object 



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# File 'lib/niconico/live/api.rb', line 55

def get(id)
  id = Util::normalize_id(id)

  page = agent.get("http://live.nicovideo.jp/gate/#{id}")

  comment_area = page.at("#comment_area#{id}").inner_text

  result = {
    title: page.at('h2 span[itemprop="name"]').inner_text,
    id: id,
    description: page.at('.stream_description .text_area').inner_html,
  }

  kaijo = page.search('.kaijo strong').map(&:inner_text)
  result[:opens_at] = Time.parse("#{kaijo[0]} #{kaijo[1]} +0900")
  result[:starts_at] = Time.parse("#{kaijo[0]} #{kaijo[2]} +0900")

  result[:status] = :scheduled if comment_area.include?('開場まで、あと')
  result[:status] = :on_air if comment_area.include?('現在放送中')
  close_message = comment_area.match(/この番組は(.+?)に終了いたしました。/)
  if close_message
    result[:status] = :closed
    result[:closed_at] = Time.parse("#{close_message[1]} +0900")
  end

  result[:reservation] = self.class.parse_reservation_message(comment_area)
  if !result[:reservation] && page.search(".watching_reservation_reserved").any? { |_| _['onclick'].include?(id) }
    result[:reservation] = {status: :reserved, available: false}
  end

  channel = page.at('div.chan')
  if channel
    result[:channel] = {
      name: channel.at('.shosai a').inner_text,
      id: channel.at('.shosai a')['href'].split('/').last,
      link: channel.at('.shosai a')['href'],
    }
  end

  result
end

#get_player_status(id, public_key = nil) ⇒ Object 



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# File 'lib/niconico/live/api.rb', line 101

def get_player_status(id, public_key = nil)
  id = Util::normalize_id(id)
  page = agent.get("http://ow.live.nicovideo.jp/api/getplayerstatus?locale=GLOBAL&lang=ja%2Djp&v=#{id}&seat%5Flocale=JP")
  if page.body[0] == 'c' # encrypted
    page = Nokogiri::XML(decrypt_encrypted_player_status(page.body, public_key))
  end

  status = page.at('getplayerstatus')

  if status['status'] == 'fail'
    error = page.at('error code').inner_text

    case error
    when 'notlogin'
      return {error: :not_logged_in}
    when 'comingsoon'
      return {error: :not_yet_started}
    when 'closed'
      return {error: :closed}
    when 'require_accept_print_timeshift_ticket'
      return {error: :reservation_not_accepted}
    when 'timeshift_ticket_expire'
      return {error: :reservation_expired}
    when 'noauth'
      return {error: :archive_closed}
    when 'notfound'
      return {error: :not_found}
    else
      return {error: error}
    end
  end

  result = {}

  # Strings
  %w(id title description provider_type owner_name
     bourbon_url full_video kickout_video).each do |key|
    item = status.at(key)
    result[key.to_sym] = item.inner_text if item
  end

  # Integers
  %w(watch_count comment_count owner_id watch_count comment_count).each do |key|
    item = status.at(key)
    result[key.to_sym] = item.inner_text.to_i if item
  end

  # Flags
  %w(is_premium is_reserved is_owner international is_rerun_stream is_archiveplayserver
     archive allow_netduetto
     is_nonarchive_timeshift_enabled is_timeshift_reserved).each do |key|
    item = status.at(key)
    result[key.sub(/^is_/,'').concat('?').to_sym] = item.inner_text == '1' if item
  end

  # Datetimes
  %w(base_time open_time start_time end_time).each do |key|
    item = status.at(key)
    result[key.to_sym] = Time.at(item.inner_text.to_i) if item
  end

  rtmp = status.at('rtmp')
  result[:rtmp] = {
    url: rtmp.at('url').inner_text,
    ticket: rtmp.at('ticket').inner_text,
  }

  stream = status.at('stream')
  result[:stream] = {
    id:                stream.at('id').inner_text,
    default_community: stream.at('default_community').inner_text,
    base_time:         stream.at('base_time').inner_text.to_i,
    open_time:         stream.at('open_time').inner_text.to_i,
    watch_count:       stream.at('watch_count').inner_text.to_i,
    comment_count:     stream.at('comment_count').inner_text.to_i
  }

  ms = status.at('ms')
  result[:ms] = {
    address: ms.at('addr').inner_text,
    port:    ms.at('port').inner_text.to_i,
    thread:  ms.at('thread').inner_text,
  }

  quesheet = status.search('quesheet que')
  result[:quesheet] = quesheet.map do |que|
    {vpos: que['vpos'].to_i, mail: que['mail'], name: que['name'], body: que.inner_text}
  end

  result
end

#heartbeat ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/niconico/live/api.rb', line 97

def heartbeat
  raise NotImplementedError
end

#watching_reservations ⇒ Object 



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# File 'lib/niconico/live/api.rb', line 193

def watching_reservations
  page = agent.get(URL_WATCHINGRESERVATION_LIST)
  page.search('vid').map(&:inner_text).map{ |_| Util::normalize_id(_) }
end