README + new UI
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devingfx
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# Kriptopter
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mini web app to use WebCrypto
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[bookmarklet]("javascript:win=window.open('','','titlebar=no,location=no'); fetch('https://git.p2p.legal/dig/kriptopter/raw/master/kriptopter').then(res=>res.text()).then(app=>win.document.write(app) )")
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340
kriptopter
340
kriptopter
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@ -1,44 +1,322 @@
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<style>
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body{
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display: grid;
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grid-template: "pass pass" 1.5em
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"main main" auto
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"left right" 2em
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/ auto;
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height: 100%;
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grid-gap: 1em;
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margin: 0;
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background: lightgrey;
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box-sizing: border-box;
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padding: 1em;
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}
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input { grid-area: pass }
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textarea { grid-area: main }
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button:first { grid-area: left }
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button:last { grid-area: right }
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body{
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display: grid;
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grid-template: "menu menu menu" 2em
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"main main main" auto
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"left middle right" 2em
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/ 6em auto 6em;
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height: 100%;
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grid-gap: 1em;
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margin: 0;
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background: lightgrey;
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box-sizing: border-box;
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padding: 1em;
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}
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menu { grid-area: menu }
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input[type=file] { display: none; }
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ui-data {
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grid-area: main;
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margin-top: -1.05em;
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height: calc(100% + 1.05em);
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}
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button[encrypt] { grid-area: left }
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pass { grid-area: middle }
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button[decrypt] { grid-area: right }
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button[encrypt],
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button[decrypt] {
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font-weight: bolder;
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text-transform: uppercase;
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}
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menu {
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display: flex;
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height: 2em;
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margin: 0;
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padding: 0;
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}
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menu > button {
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font-size: 1em;
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height: 2em;
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width: 2em;
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margin-left: -1px;
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}
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input[filename] { flex: 1; padding: 0 .5em; }
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pass {
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position: relative;
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height: 2em;
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border: 1px solid darkgrey;
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overflow: hidden;
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}
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pass input { filter: blur(5px); width: 100%; border: none;
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height: 100%;
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padding: 0 .5em; }
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pass i { position: absolute; top: .5em; right: .5em;}
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pass input.clear { filter: blur(0) }
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ui-toast {
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position: fixed;
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text-align: center;
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background: lightblue;
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top: 50%;
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left: 50%;
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width: 20em;
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margin: -1em -10em;
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height: 2em;
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}
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</style>
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<input type="text" placeholder="Enter a password"/>
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<textarea></textarea>
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<button onclick="encrypt()">encrypt</button><button onclick="decrypt()">decrypt</button>
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<script>
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const $ = s=> document.querySelector(s)
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, algo = { name: "AES-GCM", iv: Uint8Array.from([120,1,248,135,62,71,87,156,92,67,155,37]) }
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, $pass = $('input')
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, $text = $('textarea')
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<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.1.0/css/solid.css" integrity="sha384-TbilV5Lbhlwdyc4RuIV/JhD8NR+BfMrvz4BL5QFa2we1hQu6wvREr3v6XSRfCTRp" crossorigin="anonymous">
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<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.1.0/css/regular.css" integrity="sha384-avJt9MoJH2rB4PKRsJRHZv7yiFZn8LrnXuzvmZoD3fh1aL6aM6s0BBcnCvBe6XSD" crossorigin="anonymous">
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<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.1.0/css/fontawesome.css" integrity="sha384-ozJwkrqb90Oa3ZNb+yKFW2lToAWYdTiF1vt8JiH5ptTGHTGcN7qdoR1F95e0kYyG" crossorigin="anonymous">
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<menu>
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<button disabled select title="Select text on the page"
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onclick="">
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<i class="fas fa-align-center"></i>
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</button>
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<button disabled point title="Point the element in the page"
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onclick="">
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<i class="fas fa-mouse-pointer"></i>
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</button>
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<button page title="Load the whole page content"
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onclick="$text.value = opener.document.body.textContent">
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<i class="far fa-file"></i>
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</button>
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<button open title="Load a file from disk"
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onclick="$`[type=file]`.click()">
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<i class="far fa-folder-open"></i>
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<input type="file" onchange="read(this.files[0]).then( s=> $text.value = s ); $filename.value = this.files[0].name"/>
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</button>
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<input filename type="text"/>
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<button save title="Save to disk"
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onclick="save($text.value,'cryptor.txt').catch(bubbleOn(this))">
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<i class="far fa-save"></i>
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</button>
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</menu>
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<ui-data></ui-data>
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<button encrypt onclick="encrypt2($text.value).then(res=>$text.value=res,bubbleOn(this))">encrypt</button>
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<pass>
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<input type="text" placeholder="Enter a password"/>
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<i class="far fa-eye-slash" onmouseover="$pass.classList.add('clear');this.classList.remove('fa-eye-slash');this.classList.add('fa-eye')"
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onmouseout="$pass.classList.remove('clear');this.classList.add('fa-eye-slash');this.classList.remove('fa-eye')"></i>
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</pass>
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<button decrypt onclick="decrypt($text.value).catch(bubbleOn(this))">decrypt</button>
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<template ui-data>
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<style>
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textarea {
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width: 100%;
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height: 100%;
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resize: none;
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padding-bottom: 2em;
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}
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button {
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position: relative;
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top: -1.6em;
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margin-right: -1px;
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}
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:host-context([bin]) [bin] { color: rebeccapurple }
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:host-context([uint]) [uint] { color: rebeccapurple }
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:host-context([utf8]) [utf8] { color: rebeccapurple }
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:host-context([base64]) [base64] { color: rebeccapurple }
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:host-context([frame]) [frame] { color: rebeccapurple }
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</style>
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<textarea></textarea>
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</template>
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<script ui>
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const _s = (ss, ...pp)=> ss.map((s,i)=> s + (pp[i]||'')).join('')
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, _a = iterable=> iterable.length > 1 ? iterable : iterable[0]
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, Q = (ss, ...pp)=> Array.from( document.querySelectorAll( _s(ss, ...pp)) )
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, T = document.createElement('template')
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, DOM = (ss, ...pp)=> ( T.innerHTML = _s(ss, ...pp), document.adoptNode(T.content).childNodes )
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, $ = (ss, ...pp)=> _a( ~_s(ss, ...pp).indexOf('<') ? DOM(ss, ...pp) : Q(ss, ...pp) )
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, notify = (html,duration)=> $`body`.add( $`<ui-toast ${duration?`duration="${duration}"`:''}>${html}</ui-toast>` )
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, bubbleOn = el=> e=> el.dispatchEvent( new ErrorEvent('Error',{bubbles:true, error:e}) )
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, parseAlgo = str=> ({ name: str.split(' ')[0], iv: Uint8Array.from(str.split(' ').slice(1)) })
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, pulse = color=> (document.body.style.background = color) && setTimeout(o=> document.body.style.background = 'lightgrey', 1000)
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Node.prototype.add = function( ...els )
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{
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this.append( ...els )
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return _a( els )
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}
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Node.prototype.$ = function(ss, ...pp)
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{
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return _a(
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~_s(ss, ...pp).indexOf('<')
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? this.add(...DOM(ss, ...pp))
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: Array.from( this.querySelectorAll( _s(ss, ...pp)) )
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)
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}
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class UI extends HTMLElement {
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static get is(){ return 'ui' + this.name.replace(/[A-Z]/g, L=> '-'+L.toLocaleLowerCase()) }
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constructor()
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{
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super()
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let tpl = $`template[${this.constructor.is}]`
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tpl && this.attachShadow({mode: 'open'})
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.appendChild( tpl.content.cloneNode(true) )
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}
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}
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class Toast extends UI {
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static get duration(){ return this._duration || 5000000 }
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static set duration( v ){ this._duration = v }
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connectedCallback()
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{
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setTimeout( toast=> toast.remove(), this.getAttribute('duration') || Toast.duration, this )
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}
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}
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class Data extends UI {
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static get observedAttributes(){ return ['bin','uint','utf8','base64','frame'] }
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connectedCallback()
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{
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// this.observer = new MutationObserver(
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// changes=> console.log(changes.filter(m=>~['bin','255','utf8','base64','object'].indexOf(m.attributeName)) )
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// )
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// .observe( this, { attributes: true } )
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this.shadowRoot.append( ...Data.observedAttributes.map( type=> $`<button ${type}>${type}</button>` ) )
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this.shadowRoot.$`button`.map( button=> button.onclick = e=> {
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[...this.attributes].map( o=> o.ownerElement.removeAttributeNode(o) )
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this.setAttribute( e.target.innerText, '' )
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})
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}
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get value(){ return this.shadowRoot.$`textarea`.value }
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set value( v ){ return this.shadowRoot.$`textarea`.value = v }
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attributeChangedCallback(name, oldValue, newValue)
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{
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console.log( arguments )
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}
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}
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;[ Toast, Data ]
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.map( klass=> customElements.define(klass.is, klass) )
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document.body.addEventListener('Error', e=> pulse('red') && (notify(e.error.message).style.color = 'red') )
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</script>
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<script app>
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const algo = { name: "AES-GCM", iv: Uint8Array.from([120,1,248,135,62,71,87,156,92,67,155,37]) }
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, algos = [ "AES-GCM 120 1 248 135 62 71 87 156 92 67 155 37" ]
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//, algo = parseAlgo(algos[0])
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, $pass = $`pass input`
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, $text = $`ui-data`
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, $filename = $`[filename]`
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let key
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$pass.onchange = async e=>
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key = await crypto.subtle.importKey(
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'raw'
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, await crypto.subtle.digest( 'SHA-256', new TextEncoder().encode($pass.value) )
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, algo, false, ['encrypt','decrypt']
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)
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const encrypt = ()=> {
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crypto.subtle.digest( 'SHA-256', new TextEncoder().encode($pass.value) )
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return crypto.subtle.digest( 'SHA-256', new TextEncoder().encode($pass.value) )
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.then( pwHash=> crypto.subtle.importKey('raw', pwHash, algo, false, ['encrypt']) )
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.then( key=> crypto.subtle.encrypt(algo, key, new TextEncoder().encode($text.value)) )
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.then( ctBuffer=> $text.value = new Uint8Array(ctBuffer).toString().replace(/,/g,'O') )
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.catch( e=> (document.body.style.background = 'red') && setTimeout(o=> document.body.style.background = 'lightgrey', 1000) )
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//.then( ctBuffer=> $text.value = new Uint8Array(ctBuffer).toString().replace(/,/g,'O') )
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.then( ctBuffer=> $text.value = uint2String( new Uint8Array(ctBuffer) ) )
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//.then( ctBuffer=> $text.value = new TextDecoder().decode(new Uint8Array(ctBuffer)) )
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//.catch( e=> pulse('red') )
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}
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const encrypt2 = str=>
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crypto.subtle.encrypt( algo, key, new TextEncoder().encode(str) )
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//.then( ctBuffer=> $text.value = new Uint8Array(ctBuffer).toString().replace(/,/g,'O') )
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.then( ctBuffer=> uint2String(new Uint8Array(ctBuffer)) )
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//.then( ctBuffer=> $text.value = new TextDecoder().decode(new Uint8Array(ctBuffer)) )
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//.catch( e=> pulse('red') )
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const decrypt = ()=> {
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crypto.subtle.digest( 'SHA-256', new TextEncoder().encode($pass.value) )
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return crypto.subtle.digest( 'SHA-256', new TextEncoder().encode($pass.value) )
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.then( pwHash=> crypto.subtle.importKey('raw', pwHash, algo, false, ['decrypt']) )
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.then( key=> crypto.subtle.decrypt(algo, key, Uint8Array.from($text.value.split('O').map(Number)).buffer ) )
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//.then( key=> crypto.subtle.decrypt(algo, key, Uint8Array.from($text.value.split('O').map(Number)).buffer ) )
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.then( key=> crypto.subtle.decrypt(algo, key, string2Uint($text.value).buffer ) )
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//.then( key=> crypto.subtle.decrypt(algo, key, new TextEncoder().encode($text.value).buffer ) )
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.then( ptBuffer=> $text.value = new TextDecoder().decode(ptBuffer) )
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.catch( e=> (document.body.style.background = 'red') && setTimeout(o=> document.body.style.background = 'lightgrey', 1000) )
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//.catch( e=> pulse('red') )
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}
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var lastSaved
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const save = ( content, filename )=> {
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let link = document.createElement('a')
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link.setAttribute( 'download', filename )
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// If we are replacing a previously generated file we need to
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// manually revoke the object URL to avoid memory leaks.
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lastSaved && URL.revokeObjectURL( lastSaved )
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link.href = lastSaved = URL.createObjectURL( new Blob([content], {type: 'text/plain'}) )
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//link.href = makeTextFile( content )
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document.body.appendChild( link )
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// wait for the link to be added to the document
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window.requestAnimationFrame( e=> {
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link.dispatchEvent( new MouseEvent('click') )
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document.body.removeChild( link )
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})
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}
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const read = file=> new Promise( (ok,ko)=> {
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let r = new FileReader()
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r.onload = e=> ok( r.result )
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r.onerror = e=> ko()
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r.readAsText( file )
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})
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var textFile
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const makeTextFile = text=> {
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textFile && URL.revokeObjectURL(textFile)
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textFile = URL.createObjectURL( new Blob([text], {type: 'text/plain'}) )
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// returns a URL you can use as a href
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return textFile
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}
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const save2 = (file, content, type)=> window.open( "data:application/octet-stream," + encodeURIComponent(content), file )
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const uint2String = uintArray=> String.fromCharCode.apply( null, uintArray )
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const string2Uint = string=> new Uint8Array(
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string.split('')
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.map( l=>l.charCodeAt(0) )
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)
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/*const uintToString = (uintArray)=> {
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var encodedString = String.fromCharCode.apply(null, uintArray),
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decodedString = decodeURIComponent(escape(encodedString));
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return decodedString;
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}
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function stringToUint(string) {
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var string = btoa(unescape(encodeURIComponent(string))),
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charList = string.split(''),
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uintArray = [];
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for (var i = 0; i < charList.length; i++) {
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uintArray.push(charList[i].charCodeAt(0));
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}
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return new Uint8Array(uintArray);
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}
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*/
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</script>
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