crypto = require 'crypto' expand = (text) -> text .replace /&/g, '&' .replace /</g, '<' .replace />/g, '>' page = ($item) -> $item.parents('.page').data('data') check = ($item) -> # https://www.npmjs.com/package/object-hash ? # https://docs.nodejitsu.com/articles/cryptography/how-to-use-crypto-module/ sum = crypto.createHash 'md5' for item in page($item).story if item.type == 'signature' sum.update item.text else sum.update JSON.stringify(item) sum.digest 'hex' emit = ($item, item) -> sum = check $item status = (sigs) -> if sigs[sum] "<td style=\"color: #3f3; text-align: right;\">valid" else "<td style=\"color: #f88; text-align: right;\">invalid" report = -> for site, sigs of item.signatures || {} "<tr>#{status sigs}<td>#{site}" $item.append """ <div style="background-color:#eee; padding:8px;"> <center> #{expand item.text} <table style="background-color:#f8f8f8; margin:8px; padding:8px; min-width:70%"> #{report().join('')} </table> <button>sign</button> </center> </div> """ bind = ($item, item) -> update = -> wiki.pageHandler.put $item.parents('.page:first'), type: 'edit', id: item.id, item: item $item.dblclick -> wiki.textEditor $item, item $item.find('button').click -> date = Date.now() rev = page($item).journal.length-1 algo = 'trivial' sum = check $item item.signatures ||= {} item.signatures[location.host] ||= {} item.signatures[location.host][sum] = {date, rev, algo, sum} $item.empty() emit $item, item bind $item, item update() window.plugins.signature = {emit, bind} if window? module.exports = {expand} if module?