Import and mirror your http://pinboard.in bookmarks because you're SCARED.

pinboarder.rb

require 'sinatra'
require 'nokogiri'
require 'open-uri'
require 'haml'
require 'sequel'
require 'sqlite3'

get '/' do
  redirect '/update' unless bookmarks_table_exists?
  haml :index, :locals => { bookmarks: bookmarks_table }
end

get '/update' do
  create_bookmarks_table unless bookmarks_table_exists?
  bookmarks_table.delete and persist(bookmarks, bookmarks_table)
  redirect '/'
end

def export
  @export ||= Nokogiri::HTML(open('https://pinboard.in/export/', http_basic_authentication: ['username', 'password']))
end

def bookmarks
  @bookmarks ||= Bookmark.extract_from export.xpath('//a')
end

def persist(entries, table)
  entries.each do |bm|
    if bookmark = bm.to_hash
      table.insert bookmark
    end
  end
end

def create_bookmarks_table
  database.create_table :bookmarks do
    primary_key :id
    String :title
    String :tags
    String :href
  end
end

def bookmarks_table
  database[:bookmarks]
end

def bookmarks_table_exists?
  database.tables.include? :bookmarks
end

def database
  @database ||= (Sequel.connect(ENV['DATABASE_URL'] || 'sqlite://pinboarder.db'))
end

template(:index) do
<<-haml

!!!
%title Pinboarder - hoard those pinboard.in bookmarx!
%body
  %div.content
    %h1 Pinboarder!
    %ul
      - bookmarks.each do |bm|
        %li
          %a{:href => bm[:href]}= bm[:title]
          tags:
          = bm[:tags]

haml
end

class Bookmark
  def initialize(noko_node)
    @noko_node = noko_node
  end

  def self.extract_from(export)
    export.map { |node| new(node) }
  end

  def title
    @noko_node.children.map(&:inner_text).join(', ')
  end

  def to_hash
    { title: title, href: href, tags: tags }
  end

  def method_missing(meth, *args)
    @noko_node.attr(meth.to_sym)
  end
end