ShadowCrypt Key Management

"); 230 | deleteButton.click(function() { 231 | displayOKCancelDialog("

Delete all the keys for domain " + displayName + "?

", function(){ 232 | var keys = $.extend({}, domain.keys); 233 | for (var key in keys) { 234 | deleteKey(domain, keys[key], url); 235 | } 236 | }); 237 | }); 238 | keysCell.append(deleteButton); 239 | 240 | // Create keys holder. 241 | var keysHolder = $("

"); 242 | keysCell.append(keysHolder); 243 | row.append(keysCell); 244 | domain.keysHolder = keysHolder; 245 | 246 | for (var fingerprint in domain.keys) { 247 | var key = domain.keys[fingerprint]; 248 | createKeyUI(domain, key, domain.defaultFingerprint == fingerprint, url); 249 | } 250 | 251 | // Insert row. 252 | keysTable.append(row); 253 | } 254 | 255 | for (var origin in domains) { 256 | createDomainUI(domains[origin], origin); 257 | }; 258 | 259 | // Helper for updating the UI with a new key 260 | function addNewKeyUI(url, key, fingerprint, isDefault) { 261 | // Is this an existing domain? 262 | // Add the key to the database and create the UI. 263 | if (url.slice(0, "origin-".length) != "origin-") { 264 | url = 'origin-' + url; 265 | } 266 | var domain = domains[url]; 267 | 268 | if (domain) { 269 | // Verify data. 270 | if (!verifyKeyName(key.name, domain, null, url)) { 271 | return false; 272 | } 273 | domain.keys[fingerprint] = key; 274 | createKeyUI(domain, key, isDefault, url); 275 | } else { 276 | domain = { 277 | keys: {}, 278 | "defaultFingerprint": fingerprint, 279 | rules: [] 280 | }; 281 | domain.keys[fingerprint] = key; 282 | domains[url] = domain; 283 | createDomainUI(domain, url); 284 | } 285 | 286 | var newDomain = {}; 287 | newDomain[url] = domain; 288 | 289 | newKeyCallback(domain, key, url); 290 | 291 | if (isDefault) { 292 | changeDefaultKey(domain, url); 293 | } 294 | 295 | // Return true if key was added OK. 296 | return true; 297 | } 298 | 299 | // Helper for deleting a key from the UI 300 | function deleteKey(domain, key, url) { 301 | var keys = Object.keys(domain.keys), 302 | eyIndex, 303 | isEmpty, 304 | fingerprint; 305 | 306 | for (var i = 0; i < keys.length; i++) { 307 | if (domain.keys[keys[i]] == key) { 308 | fingerprint = keys[i]; 309 | keyIndex = i; 310 | break; 311 | } 312 | } 313 | 314 | delete domain.keys[fingerprint]; 315 | 316 | domain.keysHolder.find(".key-holder")[keyIndex].remove(); 317 | // If the domain is empty, remove it. 318 | if ($.isEmptyObject(domain.keys)) { 319 | domain.row.remove(); 320 | for (var site in domains) { 321 | if ($.isEmptyObject(domains[site].keys)) { 322 | delete domains[site]; 323 | isEmpty = true; 324 | } 325 | } 326 | } else { 327 | // Make sure to reassign the default if needed. 328 | if (domain.defaultFingerprint == fingerprint) { 329 | // Default was deleted, reassign to the end. 330 | var keys = Object.keys(domain.keys), 331 | newDefault = keys[keys.length - 1]; 332 | changeDefaultKey(domain, domain.keys[newDefault]); 333 | } 334 | } 335 | 336 | // Report to callback. 337 | deleteKeyCallback(domain, key, url, isEmpty); 338 | } 339 | 340 | // Helper for making sure the key name is unique 341 | function verifyKeyName(name, domain, existing, url) { 342 | var nameOK = true; 343 | 344 | for (fingerprint in domain.keys) { 345 | var key = domain.keys[fingerprint]; 346 | if (key.name == name && key != existing) { 347 | displayCloseDialog("

The name " + name + " is already in use for " + url +". Please choose another key name.

"); 348 | nameOK = false; 349 | } 350 | } 351 | 352 | return nameOK; 353 | } 354 | 355 | // Helper for changing the default key of the domain 356 | function changeDefaultKey(domain, key) { 357 | var oldDefault = domain.defaultFingerprint; 358 | 359 | // Remove old default key. 360 | 361 | // Add new one. 362 | var index = 0, 363 | oldIndex = 0; 364 | 365 | for (var fingerprint in domain.keys) { 366 | if (fingerprint == oldDefault) break; 367 | oldIndex++; 368 | } 369 | 370 | //After loop, fingerprint is current key's fingerprint 371 | for (fingerprint in domain.keys) { 372 | if (domain.keys[fingerprint] == key) break; 373 | index++; 374 | } 375 | 376 | for (var url in domains) { 377 | if (domains[url] == domain) break; 378 | } 379 | 380 | domain.keysHolder.find(".key-holder").eq(oldIndex).removeClass("default-key"); 381 | domain.defaultFingerprint = fingerprint; 382 | domain.keysHolder.find(".key-holder").eq(index).addClass("default-key"); 383 | 384 | // Report to callack if default has changed. 385 | if (domain.defaultFingerprint != oldDefault) { 386 | defaultChangedCallback(domain, key, url); 387 | } 388 | } 389 | 390 | 391 | // Hook up the main toolbar buttons. 392 | 393 | // New key 394 | $("#new-key-button").click(function(){ 395 | 396 | var url = "", 397 | secret = Array.prototype.slice.call(window.crypto.getRandomValues(new Uint32Array(4))), 398 | fingerprint = sjcl.codec.hex.fromBits(sjcl.hash.sha256.hash(secret)), 399 | key = { 400 | name: "Default", 401 | color: Math.floor(Math.random() * 7), 402 | note: "", 403 | passphrase: "", 404 | secret: secret, 405 | }; 406 | 407 | $("#key-dialog-url").val(url); 408 | 409 | $("#key-dialog-name").val(key.name); 410 | 411 | $("#key-dialog-note").val(key.note); 412 | 413 | $("#key-dialog-passphrase").val(key.passphrase); 414 | 415 | $("#key-dialog-default").prop("checked", true); 416 | 417 | $("#key-dialog-export").text(exportKeyFunction(url, key)); 418 | 419 | onKeyChangeCallback = function() { 420 | key.name = $("#key-dialog-name").val(); 421 | key.color = activeEditKeyColor; 422 | url = $("#key-dialog-url").val(); 423 | $("#key-dialog-export").text(exportKeyFunction(url, key)); 424 | }; 425 | 426 | resetEditKeyColor(key.color); 427 | 428 | displayKeyDialog("new-key", function(){ 429 | // OK action at the end of add new key. 430 | onKeyChangeCallback(); 431 | // Update the UI. 432 | var changeDefault = $("#key-dialog-default").prop("checked"); 433 | var success = addNewKeyUI(url, key, fingerprint, changeDefault); 434 | if (!success) { 435 | return false; 436 | } 437 | 438 | // Return true if everything is OK and dialog should close. 439 | setTimeout(function () { 440 | displayCloseDialog('

Key added for ' + url + '

'); 441 | }, 100); 442 | 443 | return true; 444 | }); 445 | }); 446 | 447 | // Import key 448 | $("#import-key-button").click(function () { 449 | $("#key-dialog-import").val(""); 450 | 451 | displayKeyDialog("import-key", function(){ 452 | var string = $("#key-dialog-import").val(); 453 | 454 | var entry = importKeyFunction(string); 455 | 456 | if (! string) { 457 | displayCloseDialog('

Wrong key format. Try recopying the key

'); 458 | return false; 459 | } 460 | 461 | var fingerprint = sjcl.codec.hex.fromBits(sjcl.hash.sha256.hash(entry.key.secret)); 462 | var success = addNewKeyUI(entry.url, entry.key, fingerprint, false) 463 | if (!success) return false; 464 | 465 | displayCloseDialog('

New key added for ' + entry.url + '

'); 466 | return true; 467 | }); 468 | }); 469 | 470 | // Hook up dialog buttons. 471 | $("#key-dialog-delete").click(function(){ 472 | var deleted = false; 473 | if (keyDialogDeleteCallback) { 474 | keyDialogDeleteCallback(); 475 | } 476 | 477 | return false; 478 | }); 479 | 480 | $("#key-dialog-cancel").click(function(){ 481 | hideKeyDialog(); 482 | 483 | return false; 484 | }); 485 | 486 | function keyDialogConfirmed(){ 487 | var success = true; 488 | if (keyDialogCallback) { 489 | success = keyDialogCallback(); 490 | } 491 | 492 | if (success) hideKeyDialog(); 493 | 494 | return false; 495 | } 496 | 497 | $("#key-dialog-ok").click(keyDialogConfirmed); 498 | $("#key-dialog").submit(keyDialogConfirmed); 499 | 500 | $("#dialog-cancel").add("#dialog-close").click(hideDialog); 501 | $("#dialog-ok").click(function(){ 502 | if (dialogCallback) { 503 | dialogCallback(); 504 | dialogCallback = null; 505 | } 506 | 507 | hideDialog(); 508 | }); 509 | 510 | 511 | // Hook up color selection buttons. 512 | for (var i=0;i<7;i++) { 513 | (function(i){ 514 | $("#key-dialog-color" + i).click(function(){ 515 | changeEditKeyColor(i); 516 | onKeyChangeCallback(); 517 | });})(i); 518 | } 519 | 520 | // Hook up input box changes. 521 | $("#key-dialog-name").add("#key-dialog-url").change(function(){ 522 | onKeyChangeCallback(); 523 | }); 524 | 525 | $("#key-dialog-name").add("#key-dialog-url").keyup(function(){ 526 | onKeyChangeCallback(); 527 | }); 528 | }; 529 | 530 | }; 531 | 532 | function prepareSyncData(domain, url) { 533 | var newDoamin = {}; 534 | newDoamin[url] = domain; 535 | return newDoamin; 536 | } 537 | 538 | function onNewKey(domain, key, url) { 539 | chrome.storage.sync.set(prepareSyncData(domain, url)); 540 | console.log("Key " + key.name + " created for URL " + url); 541 | return key; 542 | } 543 | 544 | function onEditKey(domain, key, url) { 545 | chrome.storage.sync.set(prepareSyncData(domain, url)); 546 | console.log("Key " + key.name + " at URL " + url + " was edited."); 547 | } 548 | 549 | function onDeletedKey(domain, key, url, isEmpty) { 550 | if (isEmpty) { 551 | chrome.storage.sync.remove(url); 552 | } else { 553 | chrome.storage.sync.set(prepareSyncData(domain, url)); 554 | } 555 | console.log("Key " + key.name + " deleted for URL " + url); 556 | }; 557 | 558 | function onDefaultChange(domain, key, url) { 559 | chrome.storage.sync.set(prepareSyncData(domain, url)); 560 | console.log("Key " + key.name + " is now the default for URL " + url + "."); 561 | } 562 | 563 | // On load initialize the UI 564 | $(function () { 565 | chrome.storage.sync.get(function (domains) { 566 | shadowCrypt.KeyManagement.initialize( 567 | domains 568 | , onNewKey 569 | , onEditKey 570 | , onDeletedKey 571 | , function(url, key){ 572 | // This is a function that transforms a key object into an export string. 573 | return url + " [" + key.name + "] " + sjcl.codec.hex.fromBits(key.secret); 574 | }, function(string){ 575 | // This is a function that transforms a key string into a key object. 576 | try { 577 | var parts = string.split(" "); 578 | var url = parts[0]; 579 | var name = parts[1].substr(1, parts[1].length-2); 580 | var secret = sjcl.codec.hex.toBits(parts[2]); 581 | return { 582 | url: url, 583 | key: { 584 | name: name, 585 | color: Math.floor(Math.random() * 7), 586 | secret: secret, 587 | } 588 | }; 589 | } catch (e) { 590 | return false; 591 | } 592 | }, onDefaultChange 593 | ); 594 | }); 595 | }); 596 | -------------------------------------------------------------------------------- /ext/shadowcrypt.js: -------------------------------------------------------------------------------- 1 | var Compat = { 2 | afterSubmit: function (f) { setTimeout(f, 0); }, 3 | getInnerText: function (e) { return e.innerText; }, 4 | matches: function (e, s) { return e.webkitMatchesSelector(s); } 5 | }; 6 | 7 | var Content = {}; 8 | 9 | Content.within = function () { 10 | function onSetup(e) { 11 | setup(e.target.contentWindow); 12 | } 13 | 14 | function onShimProp(e) { 15 | var node = e.target; 16 | var name = e.detail.name; 17 | var value = e.detail.value; 18 | Object.defineProperty(node, name, { 19 | get: function () { 20 | return value; 21 | }, 22 | set: function (v) { 23 | value = v; 24 | var event = new CustomEvent('shadowcrypt-prop-set-' + name, {detail: value}); 25 | node.dispatchEvent(event); 26 | } 27 | }); 28 | node.addEventListener('shadowcrypt-set-prop-' + name, function (e) { 29 | value = e.detail; 30 | }); 31 | } 32 | 33 | function onShimMethod(e) { 34 | // no args or return value lol 35 | var node = e.target; 36 | var name = e.detail.name; 37 | node[name] = function () { 38 | var event = new Event('shadowcrypt-method-call-' + name); 39 | node.dispatchEvent(event); 40 | }; 41 | } 42 | 43 | function onDeleteProp(e) { 44 | var node = e.target; 45 | var name = e.detail.name; 46 | delete node[name]; 47 | } 48 | 49 | function notInContentEditable(win, selection) { 50 | return !(win.document.hasFocus() && win.document.activeElement.contentEditable === 'true'); 51 | } 52 | 53 | var warned = false; 54 | 55 | function gateMethodProto(proto, methodName, predicate) { 56 | var orig = proto[methodName]; 57 | proto[methodName] = function () { 58 | if (predicate(this)) return orig.apply(this, arguments); 59 | if (!warned) { 60 | console.warn('ignoring method ' + methodName); 61 | warned = true; 62 | } 63 | }; 64 | } 65 | 66 | function selectorIsUnsafe(selectors) { 67 | selectors = '' + selectors; 68 | var withoutStrings = selectors 69 | .replace(/"(?:\\\\|\\"|[^"\\]")*"/g, '""') 70 | .replace(/'(?:\\\\|\\'|[^'\\]')*"/g, '\'\''); 71 | // http://dev.w3.org/csswg/css-scoping/#deep-combinator 72 | return /\/deep\/|>>>/.test(withoutStrings); 73 | } 74 | 75 | function shimQuerySelector(proto) { 76 | var origQuerySelector = proto.querySelector; 77 | proto.querySelector = function (selectors) { 78 | if (selectorIsUnsafe(selectors)) return null; 79 | return origQuerySelector.call(this, selectors); 80 | }; 81 | var origQuerySelectorAll = proto.querySelectorAll; 82 | proto.querySelectorAll = function (selectors) { 83 | if (selectorIsUnsafe(selectors)) return origQuerySelectorAll.call(this, ':not(*|*)'); 84 | return origQuerySelectorAll.call(this, selectors); 85 | }; 86 | } 87 | 88 | function shimSelectorsAPI(win) { 89 | shimQuerySelector(win.Document.prototype); 90 | shimQuerySelector(win.DocumentFragment.prototype); 91 | shimQuerySelector(win.Element.prototype); 92 | } 93 | 94 | function setup(win) { 95 | win.addEventListener('shadowcrypt-add-listeners', onSetup, true); 96 | win.addEventListener('shadowcrypt-shim-prop', onShimProp, true); 97 | win.addEventListener('shadowcrypt-shim-method', onShimMethod, true); 98 | win.addEventListener('shadowcrypt-delete-prop', onDeleteProp, true); 99 | // caveat: you can't touch selection anymore 100 | gateMethodProto(win.Selection.prototype, 'removeAllRanges', notInContentEditable.bind(null, win)); 101 | gateMethodProto(win.Selection.prototype, 'addRange', notInContentEditable.bind(null, win)); 102 | // caveat: breaks shadow dom for content 103 | delete Element.createShadowRoot; 104 | shimSelectorsAPI(win); 105 | } 106 | 107 | setup(window); 108 | }; 109 | 110 | Content.init = function () { 111 | var script = document.createElement('script'); 112 | script.textContent = '(' + Content.within + ')();'; 113 | document.documentElement.appendChild(script); 114 | }; 115 | 116 | Content.propagate = function (iframe) { 117 | var event = new Event('shadowcrypt-add-listeners', false, false); 118 | iframe.dispatchEvent(event); 119 | }; 120 | 121 | Content.shimProp = function (node, name, value, handler) { 122 | node.addEventListener('shadowcrypt-prop-set-' + name, function (e) { 123 | handler(e.detail); 124 | }); 125 | var event = new CustomEvent('shadowcrypt-shim-prop', {detail: {name: name, value: value}}); 126 | node.dispatchEvent(event); 127 | return function (v) { 128 | var event = new CustomEvent('shadowcrypt-set-prop-' + name, {detail: v}); 129 | node.dispatchEvent(event); 130 | }; 131 | }; 132 | 133 | Content.shimMethod = function (node, name, handler) { 134 | node.addEventListener('shadowcrypt-method-call-' + name, function (e) { 135 | handler(); 136 | }); 137 | var event = new CustomEvent('shadowcrypt-shim-method', {detail: {name: name}}); 138 | node.dispatchEvent(event); 139 | }; 140 | 141 | Content.deleteProp = function (node, name) { 142 | var event = new CustomEvent('shadowcrypt-delete-prop', {detail: {name: name}}); 143 | node.dispatchEvent(event); 144 | }; 145 | 146 | // this is sjcl configured with: 147 | // --compress=yui --without-all --with-aes --with-bitArray --with-codecString --with-codecHex --with-codecBase64 --with-sha256 --with-ccm --with-hmac 148 | var sjcl={cipher:{},hash:{},keyexchange:{},mode:{},misc:{},codec:{},exception:{corrupt:function(a){this.toString=function(){return"CORRUPT: "+this.message};this.message=a},invalid:function(a){this.toString=function(){return"INVALID: "+this.message};this.message=a},bug:function(a){this.toString=function(){return"BUG: "+this.message};this.message=a},notReady:function(a){this.toString=function(){return"NOT READY: "+this.message};this.message=a}}};sjcl.cipher.aes=function(h){if(!this._tables[0][0][0]){this._precompute()}var d,c,e,g,l,f=this._tables[0][4],k=this._tables[1],a=h.length,b=1;if(a!==4&&a!==6&&a!==8){throw new sjcl.exception.invalid("invalid aes key size")}this._key=[g=h.slice(0),l=[]];for(d=a;d<4*a+28;d++){e=g[d-1];if(d%a===0||(a===8&&d%a===4)){e=f[e>>>24]<<24^f[e>>16&255]<<16^f[e>>8&255]<<8^f[e&255];if(d%a===0){e=e<<8^e>>>24^b<<24;b=b<<1^(b>>7)*283}}g[d]=g[d-a]^e}for(c=0;d;c++,d--){e=g[c&3?d:d-4];if(d<=4||c<4){l[c]=e}else{l[c]=k[0][f[e>>>24]]^k[1][f[e>>16&255]]^k[2][f[e>>8&255]]^k[3][f[e&255]]}}};sjcl.cipher.aes.prototype={encrypt:function(a){return this._crypt(a,0)},decrypt:function(a){return this._crypt(a,1)},_tables:[[[],[],[],[],[]],[[],[],[],[],[]]],_precompute:function(){var j=this._tables[0],q=this._tables[1],h=j[4],n=q[4],g,l,f,k=[],c=[],b,p,m,o,e,a;for(g=0;g<0x100;g++){c[(k[g]=g<<1^(g>>7)*283)^g]=g}for(l=f=0;!h[l];l^=b||1,f=c[f]||1){o=f^f<<1^f<<2^f<<3^f<<4;o=o>>8^o&255^99;h[l]=o;n[o]=l;m=k[p=k[b=k[l]]];a=m*0x1010101^p*0x10001^b*0x101^l*0x1010100;e=k[o]*0x101^o*0x1010100;for(g=0;g<4;g++){j[g][l]=e=e<<24^e>>>8;q[g][o]=a=a<<24^a>>>8}}for(g=0;g<5;g++){j[g]=j[g].slice(0);q[g]=q[g].slice(0)}},_crypt:function(k,n){if(k.length!==4){throw new sjcl.exception.invalid("invalid aes block size")}var y=this._key[n],v=k[0]^y[0],u=k[n?3:1]^y[1],t=k[2]^y[2],s=k[n?1:3]^y[3],w,e,m,x=y.length/4-2,p,o=4,q=[0,0,0,0],r=this._tables[n],j=r[0],h=r[1],g=r[2],f=r[3],l=r[4];for(p=0;p>>24]^h[u>>16&255]^g[t>>8&255]^f[s&255]^y[o];e=j[u>>>24]^h[t>>16&255]^g[s>>8&255]^f[v&255]^y[o+1];m=j[t>>>24]^h[s>>16&255]^g[v>>8&255]^f[u&255]^y[o+2];s=j[s>>>24]^h[v>>16&255]^g[u>>8&255]^f[t&255]^y[o+3];o+=4;v=w;u=e;t=m}for(p=0;p<4;p++){q[n?3&-p:p]=l[v>>>24]<<24^l[u>>16&255]<<16^l[t>>8&255]<<8^l[s&255]^y[o++];w=v;v=u;u=t;t=s;s=w}return q}};sjcl.bitArray={bitSlice:function(b,c,d){b=sjcl.bitArray._shiftRight(b.slice(c/32),32-(c&31)).slice(1);return(d===undefined)?b:sjcl.bitArray.clamp(b,d-c)},extract:function(c,d,f){var b,e=Math.floor((-d-f)&31);if((d+f-1^d)&-32){b=(c[d/32|0]<<(32-e))^(c[d/32+1|0]>>>e)}else{b=c[d/32|0]>>>e}return b&((1<0&&b){d[c-1]=sjcl.bitArray.partial(b,d[c-1]&2147483648>>(b-1),1)}return d},partial:function(b,a,c){if(b===32){return a}return(c?a|0:a<<(32-b))+b*0x10000000000},getPartial:function(a){return Math.round(a/0x10000000000)||32},equal:function(e,d){if(sjcl.bitArray.bitLength(e)!==sjcl.bitArray.bitLength(d)){return false}var c=0,f;for(f=0;f=32;c-=32){f.push(h);h=0}if(c===0){return f.concat(d)}for(g=0;g>>c);h=d[g]<<(32-c)}b=d.length?d[d.length-1]:0;e=sjcl.bitArray.getPartial(b);f.push(sjcl.bitArray.partial(c+e&31,(c+e>32)?h:f.pop(),1));return f},_xor4:function(a,b){return[a[0]^b[0],a[1]^b[1],a[2]^b[2],a[3]^b[3]]}};sjcl.codec.utf8String={fromBits:function(a){var b="",e=sjcl.bitArray.bitLength(a),d,c;for(d=0;d>>24);c<<=8}return decodeURIComponent(escape(b))},toBits:function(d){d=unescape(encodeURIComponent(d));var a=[],c,b=0;for(c=0;c>>j)>>>26);if(j<6){f=g[e]<<(6-j);j+=26;e++}else{f<<=6;j-=6}}while((d.length&3)&&!k){d+="="}return d},toBits:function(h,f){h=h.replace(/\s|=/g,"");var d=[],e,g=0,j=sjcl.codec.base64._chars,b=0,a;if(f){j=j.substr(0,62)+"-_"}for(e=0;e26){g-=26;d.push(b^a>>>g);b=a<<(32-g)}else{g+=6;b^=a<<(32-g)}}if(g&56){d.push(sjcl.bitArray.partial(g&56,b,1))}return d}};sjcl.codec.base64url={fromBits:function(a){return sjcl.codec.base64.fromBits(a,1,1)},toBits:function(a){return sjcl.codec.base64.toBits(a,1)}};sjcl.hash.sha256=function(a){if(!this._key[0]){this._precompute()}if(a){this._h=a._h.slice(0);this._buffer=a._buffer.slice(0);this._length=a._length}else{this.reset()}};sjcl.hash.sha256.hash=function(a){return(new sjcl.hash.sha256()).update(a).finalize()};sjcl.hash.sha256.prototype={blockSize:512,reset:function(){this._h=this._init.slice(0);this._buffer=[];this._length=0;return this},update:function(f){if(typeof f==="string"){f=sjcl.codec.utf8String.toBits(f)}var e,a=this._buffer=sjcl.bitArray.concat(this._buffer,f),d=this._length,c=this._length=d+sjcl.bitArray.bitLength(f);for(e=512+d&-512;e<=c;e+=512){this._block(a.splice(0,16))}return this},finalize:function(){var c,a=this._buffer,d=this._h;a=sjcl.bitArray.concat(a,[sjcl.bitArray.partial(1,1)]);for(c=a.length+2;c&15;c++){a.push(0)}a.push(Math.floor(this._length/0x100000000));a.push(this._length|0);while(a.length){this._block(a.splice(0,16))}this.reset();return d},_init:[],_key:[],_precompute:function(){var d=0,c=2,b;function a(e){return(e-Math.floor(e))*0x100000000|0}outer:for(;d<64;c++){for(b=2;b*b<=c;b++){if(c%b===0){continue outer}}if(d<8){this._init[d]=a(Math.pow(c,1/2))}this._key[d]=a(Math.pow(c,1/3));d++}},_block:function(q){var e,f,t,s,u=q.slice(0),j=this._h,c=this._key,r=j[0],p=j[1],o=j[2],n=j[3],m=j[4],l=j[5],g=j[6],d=j[7];for(e=0;e<64;e++){if(e<16){f=u[e]}else{t=u[(e+1)&15];s=u[(e+14)&15];f=u[e&15]=((t>>>7^t>>>18^t>>>3^t<<25^t<<14)+(s>>>17^s>>>19^s>>>10^s<<15^s<<13)+u[e&15]+u[(e+9)&15])|0}f=(f+d+(m>>>6^m>>>11^m>>>25^m<<26^m<<21^m<<7)+(g^m&(l^g))+c[e]);d=g;g=l;l=m;m=n+f|0;n=o;o=p;p=r;r=(f+((p&o)^(n&(p^o)))+(p>>>2^p>>>13^p>>>22^p<<30^p<<19^p<<10))|0}j[0]=j[0]+r|0;j[1]=j[1]+p|0;j[2]=j[2]+o|0;j[3]=j[3]+n|0;j[4]=j[4]+m|0;j[5]=j[5]+l|0;j[6]=j[6]+g|0;j[7]=j[7]+d|0}};sjcl.mode.ccm={name:"ccm",encrypt:function(c,b,e,m,d){var j,g,f=b.slice(0),l,k=sjcl.bitArray,a=k.bitLength(e)/8,h=k.bitLength(f)/8;d=d||64;m=m||[];if(a<7){throw new sjcl.exception.invalid("ccm: iv must be at least 7 bytes")}for(j=2;j<4&&h>>>8*j;j++){}if(j<15-a){j=15-a}e=k.clamp(e,8*(15-j));l=sjcl.mode.ccm._computeTag(c,b,e,m,d,j);f=sjcl.mode.ccm._ctrMode(c,f,e,l,d,j);return k.concat(f.data,f.tag)},decrypt:function(b,c,e,n,d){d=d||64;n=n||[];var j,g,l=sjcl.bitArray,a=l.bitLength(e)/8,h=l.bitLength(c),f=l.clamp(c,h-d),m=l.bitSlice(c,h-d),k;h=(h-d)/8;if(a<7){throw new sjcl.exception.invalid("ccm: iv must be at least 7 bytes")}for(j=2;j<4&&h>>>8*j;j++){}if(j<15-a){j=15-a}e=l.clamp(e,8*(15-j));f=sjcl.mode.ccm._ctrMode(b,f,e,m,d,j);k=sjcl.mode.ccm._computeTag(b,f.data,e,n,d,j);if(!l.equal(f.tag,k)){throw new sjcl.exception.corrupt("ccm: tag doesn't match")}return f.data},_computeTag:function(d,c,f,p,e,m){var b,l,n=0,g=24,j,h,a=[],o=sjcl.bitArray,k=o._xor4;e/=8;if(e%2||e<4||e>16){throw new sjcl.exception.invalid("ccm: invalid tag length")}if(p.length>0xffffffff||c.length>0xffffffff){throw new sjcl.exception.bug("ccm: can't deal with 4GiB or more data")}l=[o.partial(8,(p.length?1<<6:0)|(e-2)<<2|m-1)];l=o.concat(l,f);l[3]|=o.bitLength(c)/8;l=d.encrypt(l);if(p.length){j=o.bitLength(p)/8;if(j<=65279){a=[o.partial(16,j)]}else{if(j<=0xffffffff){a=o.concat([o.partial(16,65534)],[j])}}a=o.concat(a,p);for(h=0;ha){d=e.hash(d)}for(b=0;b>> Crypto.BLOOM_PREFIX_SHIFT; 201 | }; 202 | 203 | Bloom.prototype.addInternal = function (item) { 204 | for (var j = 0; j < Bloom.K; j++) { 205 | this.bits[this.hash(j, b)] = true; 206 | } 207 | this.count++; 208 | }; 209 | 210 | Bloom.prototype.addReal = function (data) { 211 | if (this.count >= Bloom.N) throw new Error('too many unique words'); 212 | var item = sjcl.codec.utf8String.toBits(data); 213 | this.addInternal(item); 214 | }; 215 | 216 | Bloom.prototype.addRandom = function () { 217 | var item = window.crypto.getRandomValues(new Uint32Array(Bloom.EXTRA_WORD_LENGTH)); 218 | this.addInternal(item); 219 | }; 220 | 221 | Bloom.prototype.pad = function () { 222 | while (this.count < Bloom.K) { 223 | this.addRandom(); 224 | } 225 | }; 226 | 227 | var Scanner = function (impl, root) { 228 | this.root = root; 229 | this.iter = impl.createNodeIterator(root, NodeFilter.SHOW_TEXT); 230 | this.u = 0; 231 | this.v = 0; 232 | this.next(); 233 | }; 234 | 235 | Scanner.getNodeLength = function (node) { 236 | // simplified implementation of 237 | // http://dom.spec.whatwg.org/#concept-node-length 238 | // supporting only Element and CharacterData Nodes 239 | if (node.nodeType === Document.TYPE_ELEMENT) { 240 | return node.childNodes.length; 241 | } else { 242 | return node.length; 243 | } 244 | }; 245 | 246 | Scanner.prototype.next = function () { 247 | this.n = this.iter.nextNode(); 248 | this.u = this.v; 249 | this.v = this.u + this.n.length; 250 | }; 251 | 252 | Scanner.prototype.setStart = function (range, index) { 253 | while (this.n) { 254 | if (index >= this.u && index < this.v) return range.setStart(this.n, index - this.u); 255 | this.next(); 256 | } 257 | throw new Error('index out of bounds', index); 258 | }; 259 | 260 | Scanner.prototype.setEnd = function (range, index) { 261 | while (this.n) { 262 | if (index > this.u && index <= this.v) return range.setEnd(this.n, index - this.u); 263 | this.next(); 264 | } 265 | throw new Error('index out of bounds', index); 266 | }; 267 | 268 | Scanner.prototype.sink = function (range, light) { 269 | // 1. sink from offsets to containers 270 | if (range.startOffset !== 0) return; 271 | if (range.endOffset !== Scanner.getNodeLength(range.endContainer)) return; 272 | 273 | // 2. sink from containers to common ancestor 274 | var ancestor = range.commonAncestorContainer; 275 | var startContainer = range.startContainer; 276 | while (startContainer !== ancestor) { 277 | if (startContainer.previousSibling) return; 278 | startContainer = startContainer.parentNode; 279 | } 280 | var endContainer = range.endContainer; 281 | while (endContainer !== ancestor) { 282 | if (endContainer.nextSibling) return; 283 | endContainer = endContainer.parentNode; 284 | } 285 | 286 | if (light) { 287 | // 3a. done 288 | range.selectNodeContents(ancestor); 289 | } else { 290 | // 3b. sink from common ancestor to first ancestor with sibling 291 | while (ancestor !== this.root) { 292 | if (ancestor.previousSibling) break; 293 | if (ancestor.nextSibling) break; 294 | ancestor = ancestor.parentNode; 295 | } 296 | 297 | // 4b. done 298 | range.selectNode(ancestor); 299 | } 300 | }; 301 | 302 | var Tags = { 303 | LINK_PATTERN: /(?:@|#|\/r\/|\/u\/)\w+/g, 304 | LINK_TEST_PATTERN: /^(?:@|#|\/r\/|\/u\/)\w+$/, // same as above, but with ^...$ 305 | WORD_PATTERN: /\w+/g, // todo: this could be better 306 | modes: {} 307 | }; 308 | 309 | Tags.modes.none = function (secret, message) { 310 | // nothing! 311 | }; 312 | 313 | Tags.modes.links = function (secret, message) { 314 | var tags = []; 315 | var seen = {}; 316 | var match; 317 | while (match = Tags.LINK_PATTERN.exec(message)) { 318 | var tag = match[0]; 319 | if (tag in seen) continue; 320 | tags.push(tag); 321 | seen[tag] = true; 322 | } 323 | return tags; 324 | }; 325 | 326 | Tags.modes.words = function (secret, message) { 327 | var tags = []; 328 | var seen = {}; 329 | var match; 330 | while (match = Tags.WORD_PATTERN.exec(message)) { 331 | // note: case sensitive 332 | var word = match[0]; 333 | var name = ':' + word; 334 | if (name in seen) continue; 335 | var tag = Crypto.hmac(secret, word); 336 | tags.push(tag); 337 | seen[name] = true; 338 | } 339 | return tags.sort(); 340 | }; 341 | 342 | Tags.modes.wordsQuery = function (secret, message) { 343 | return Tags.modes.words(secret, message); 344 | }; 345 | Tags.modes.wordsQuery.queryOnly = true; 346 | 347 | Tags.modes.bloom = function (secret, message) { 348 | var match; 349 | var seen = {}; 350 | var bloom = new Bloom(secret); 351 | var count = 0; 352 | while (match = Tags.WORD_PATTERN.exec(message)) { 353 | var word = match[0]; 354 | var name = ':' + word; 355 | if (name in seen) continue; 356 | bloom.add(word); 357 | seen[name] = true; 358 | } 359 | var tags = []; 360 | for (var i = 0; i < Bloom.M; i++) { 361 | if (i in b) tags.push('b' + i); 362 | } 363 | return tags; 364 | }; 365 | 366 | Tags.readLinks = function (impl, scanner, text, match) { 367 | var start = match.index + 16 + match[1].length + match[2].length; 368 | var end = start + match[3].length; 369 | var tags = []; 370 | while (start < end) { 371 | var comma = text.indexOf(',', start); 372 | if (comma === -1 || comma > end) comma = end; 373 | var tag = text.slice(start, comma); 374 | if (!Tags.LINK_TEST_PATTERN.test(tag)) continue; 375 | var range = impl.createRange(); 376 | scanner.setStart(range, start); 377 | scanner.setEnd(range, comma); 378 | scanner.sink(range); 379 | tags.push([tag, range.cloneContents()]); 380 | start = comma + 1; 381 | } 382 | return tags; 383 | }; 384 | 385 | Tags.insertLinks = function (impl, message, tags) { 386 | // might have matched CODE_PATTERN[3] but not any LINK_PATTERN 387 | if (!tags.length) return impl.createTextNode(message); 388 | var frags = []; 389 | var map = {}; 390 | for (var i = 0; i < tags.length; i++) { 391 | frags.push(tags[i][0] + '\\b'); 392 | map[tags[i][0]] = tags[i][1]; 393 | } 394 | var pattern = new RegExp(frags.join('|'), 'g'); 395 | var result = impl.createDocumentFragment(); 396 | var last = 0; 397 | var match; 398 | while (match = pattern.exec(message)) { 399 | if (match.index > last) { 400 | result.appendChild(impl.createTextNode(message.slice(last, match.index))); 401 | } 402 | result.appendChild(map[match[0]].cloneNode(true)); // lol chrome defaults to (false) 403 | last = match.index + match[0].length; 404 | } 405 | if (last < message.length) { 406 | result.appendChild(impl.createTextNode(message.slice(last))); 407 | } 408 | return result; 409 | }; 410 | 411 | var Codec = { 412 | CODE_PATTERN: /=\?shadowcrypt-(\w*)\?([A-Za-z0-9+\/=]*)\?([^?\s]*)\?=/g 413 | // reflect changes in Tags.readLinks 414 | }; 415 | 416 | Codec.encode = function (mode, fingerprint, message) { 417 | if (message === '') return ''; 418 | var key = Crypto.getKey(fingerprint); 419 | if (mode.queryOnly) { 420 | return mode(message).join(' '); 421 | } else { 422 | var tags = mode(key.secret, message).join(','); 423 | var data = Crypto.encrypt(key.secret, message, tags); 424 | return '=?shadowcrypt-' + fingerprint + '?' + data + '?' + tags + '?='; 425 | } 426 | }; 427 | 428 | Codec.decode = function (fingerprint, data, tags) { 429 | var key = Crypto.getKey(fingerprint); 430 | return Crypto.decrypt(key.secret, data, tags); 431 | }; 432 | 433 | var Rewriter = { 434 | FAST_FAIL_QUERY: '=?shadowcrypt-', 435 | HIGHLIGHT_COLORS: [ 436 | 'rgba(51,153,153,0.125)', 437 | 'rgba(51,102,153,0.125)', 438 | 'rgba(102,102,153,0.125)', 439 | 'rgba(173,73,119,0.125)', 440 | 'rgba(209,174,74,0.125)', 441 | 'rgba(153,102,51,0.125)', 442 | 'rgba(102,102,102,0.125)' 443 | ] 444 | }; 445 | 446 | Rewriter.fastFail = function (text) { 447 | var index = text.indexOf(Rewriter.FAST_FAIL_QUERY); 448 | if (index === -1) return true; 449 | Codec.CODE_PATTERN.lastIndex = index; 450 | return false; 451 | }; 452 | 453 | Rewriter.checkBlacklist = function (node) { 454 | if (!node) return false; 455 | if (node.nodeType === Document.ELEMENT_NODE) { 456 | if ('shadowcryptReplaced' in node) return true; 457 | if ('shadowcryptUpdateContent' in node) return true; 458 | if (node.tagName.toLowerCase() === 'textarea') return true; 459 | } 460 | return Rewriter.checkBlacklist(node.parentNode); 461 | }; 462 | 463 | Rewriter.checkRangeEndpoints = function (range) { 464 | var startElement = range.startContainer; 465 | if (startElement.nodeType !== Document.ELEMENT_NODE) startElement = startElement.parentNode; 466 | var endElement = range.endContainer; 467 | if (endElement.nodeType !== Document.ELEMENT_NODE) endElement = endElement.parentNode; 468 | return startElement === endElement; 469 | }; 470 | 471 | Rewriter.findCodes = function (impl, node) { 472 | // caveat: textContent includes comments and processing instructions 473 | var text = node.textContent; 474 | if (Rewriter.fastFail(text)) return null; 475 | var codes = []; 476 | var scanner = new Scanner(impl, node); 477 | var match; 478 | while (match = Codec.CODE_PATTERN.exec(text)) { 479 | try { 480 | var range = impl.createRange(); 481 | scanner.setStart(range, match.index); 482 | if (Rewriter.checkBlacklist(range.startContainer)) continue; 483 | var key = Crypto.getKey(match[1]); 484 | var messageText = Codec.decode(match[1], match[2], match[3]); 485 | var messageNode; 486 | if (match[3]) { 487 | var tags = Tags.readLinks(impl, scanner, text, match); 488 | messageNode = Tags.insertLinks(impl, messageText, tags); 489 | } else { 490 | messageNode = impl.createTextNode(messageText); 491 | } 492 | scanner.setEnd(range, match.index + match[0].length); 493 | scanner.sink(range, true); 494 | if (!Rewriter.checkRangeEndpoints(range)) throw new Error('aborting suspicious range'); 495 | codes.push([range, key, messageNode]); 496 | } catch (e) { 497 | console.warn(e); 498 | } 499 | } 500 | return codes; 501 | }; 502 | 503 | Rewriter.repaceCodes = function (impl, codes) { 504 | for (var i = 0; i < codes.length; i++) { 505 | var range = codes[i][0]; 506 | var key = codes[i][1]; 507 | var messageNode = codes[i][2]; 508 | // caveat: this doesn't work in 509 | var span = impl.createElement('span'); 510 | span.shadowcryptReplaced = true; 511 | range.surroundContents(span); 512 | var shadowRoot = span.createShadowRoot(); 513 | shadowRoot.applyAuthorStyles = true; 514 | shadowRoot.resetStyleInheritance = false; 515 | var highlight = impl.createElement('span'); 516 | highlight.style.backgroundColor = Rewriter.HIGHLIGHT_COLORS[key.color]; 517 | highlight.appendChild(messageNode); 518 | shadowRoot.appendChild(highlight); 519 | Content.deleteProp(span, 'shadowRoot'); 520 | // we'll need to prevent olderShadowRoot when it gets implemented 521 | } 522 | }; 523 | 524 | Rewriter.rewriteMarkup = function (impl, node) { 525 | var codes = Rewriter.findCodes(impl, node); 526 | if (codes) Rewriter.repaceCodes(impl, codes); 527 | }; 528 | 529 | Rewriter.replacer = function (code, fingerprint, tags, data) { 530 | try { 531 | return Codec.decode(fingerprint, tags, data); 532 | } catch (e) { 533 | console.warn(e); 534 | return code; 535 | } 536 | }; 537 | 538 | Rewriter.processString = function (str) { 539 | return str.replace(Codec.CODE_PATTERN, Rewriter.replacer); 540 | }; 541 | 542 | var Widgets = { 543 | WIDGET_SELECTOR: 'input,textarea,[contenteditable],iframe', 544 | rules: null, 545 | adapters: {} 546 | }; 547 | 548 | Widgets.AbstractAdapter = function (e) { 549 | this.node = e; 550 | }; 551 | 552 | Widgets.Encrypted = function (e, o) { 553 | Widgets.AbstractAdapter.call(this, e); 554 | if ('mode' in o) { 555 | if (o.mode in Tags.modes) { 556 | this.mode = Tags.modes[o.mode]; 557 | } else { 558 | console.error('mode %s is not defined (%s)', o.mode, e); 559 | } 560 | } 561 | if ('off' in o) { 562 | this.fingerprint = null; 563 | } 564 | }; 565 | Widgets.Encrypted.prototype = Object.create(Widgets.AbstractAdapter.prototype); 566 | Widgets.Encrypted.prototype.constructor = Widgets.Encrypted; 567 | 568 | Widgets.Encrypted.prototype.mode = Tags.modes.links; 569 | Widgets.Encrypted.prototype.fingerprint = null; 570 | 571 | Widgets.Encrypted.prototype.encrypt = function (s) { 572 | if (this.fingerprint === null) return s; 573 | return Codec.encode(this.mode, this.fingerprint, s); 574 | }; 575 | 576 | Widgets.Encrypted.prototype.decrypt = function (s) { 577 | return Rewriter.processString(s); 578 | }; 579 | 580 | Widgets.Encrypted.prototype.refreshEncryption = function () { 581 | // abstract 582 | }; 583 | 584 | Widgets.Encrypted.prototype.setFingerprint = function (fingerprint) { 585 | this.fingerprint = fingerprint; 586 | this.refreshEncryption(); 587 | }; 588 | 589 | Widgets.Encrypted.prototype.setMode = function (mode) { 590 | this.mode = mode; 591 | this.refreshEncryption(); 592 | }; 593 | 594 | Widgets.Delegated = function (e, o) { 595 | Widgets.Encrypted.call(this, e, o); 596 | var impl = this.node.ownerDocument; 597 | this.shadowContent = impl.createDocumentFragment(); 598 | this.delegate = impl.createElement(this.delegateTagName); 599 | this.node.addEventListener('focus', this.onFocus.bind(this)); 600 | }; 601 | Widgets.Delegated.prototype = Object.create(Widgets.Encrypted.prototype); 602 | Widgets.Delegated.prototype.constructor = Widgets.Delegated; 603 | 604 | // a bug prevents <textarea> from being a shadow host, so allow something else to be 605 | Widgets.Delegated.prototype.getShadowHost = function () { 606 | return this.node; 607 | }; 608 | 609 | Widgets.Delegated.prototype.getCleartext = function () { 610 | return this.delegate.value; 611 | }; 612 | 613 | Widgets.Delegated.prototype.sideloadCleartext = function (v) { 614 | this.delegate.value = v; 615 | this.refreshEncryption(); 616 | }; 617 | 618 | Widgets.Delegated.prototype.synthesizeChange = function () { 619 | this.node.dispatchEvent(new Event('input')); 620 | this.node.dispatchEvent(new Event('change')); 621 | }; 622 | 623 | Widgets.Delegated.prototype.applyHostStyles = function (dst, src) { 624 | switch (src.display) { 625 | case 'inline': 626 | case 'inline-block': 627 | case 'inline-table': 628 | case 'inline-grid': 629 | dst.display = 'inline-flex'; 630 | break; 631 | case 'block': 632 | case 'table': 633 | case 'grid': 634 | dst.display = 'flex'; 635 | break; 636 | case 'none': 637 | dst.display = 'none'; 638 | break; 639 | } 640 | switch (src.position) { 641 | case 'static': 642 | dst.position = 'relative'; 643 | break; 644 | } 645 | }; 646 | 647 | Widgets.Delegated.prototype.activateDelegate = function () { 648 | var impl = this.node.ownerDocument; 649 | var hadFocus = impl.activeElement === this.node; 650 | var style = impl.defaultView.getComputedStyle(this.node); 651 | var shadowHost = this.getShadowHost(); 652 | shadowHost.shadowcryptInputEarly = this.onInputEarly.bind(this); 653 | shadowHost.shadowcryptHandlePrivateEvent = this.handlePrivateEvent.bind(this); 654 | this.applyHostStyles(shadowHost.style, style); 655 | var shadowRoot = shadowHost.createShadowRoot(); 656 | Content.deleteProp(shadowHost, 'shadowRoot'); 657 | shadowRoot.applyAuthorStyles = false; 658 | shadowRoot.resetStyleInheritance = false; 659 | shadowRoot.appendChild(this.shadowContent); 660 | this.shadowContent = null; 661 | if (hadFocus) this.delegate.focus(); 662 | }; 663 | 664 | Widgets.Delegated.prototype.onFocus = function (e) { 665 | this.delegate.focus(); 666 | }; 667 | 668 | Widgets.Delegated.prototype.onInputEarly = function (e) { 669 | this.refreshEncryption(); 670 | }; 671 | 672 | Widgets.Delegated.prototype.handlePrivateEvent = function (e) { 673 | if (e.type === 'keydown') { 674 | if (e.keyCode == 32 && e.ctrlKey) { // Ctrl+Space 675 | if (this.fingerprint === null) { 676 | this.setFingerprint(Widgets.Encrypted.prototype.fingerprint); 677 | } else { 678 | this.setFingerprint(null); 679 | } 680 | this.synthesizeChange(); 681 | e.preventDefault(); 682 | return true; 683 | } else if (e.keyCode == 192 && e.ctrlKey) { // Ctrl+Backtick 684 | if (this.fingerprint !== null) { 685 | var key = Crypto.keys[this.fingerprint]; 686 | var clear = window.prompt(key.passphrase, this.getCleartext()); 687 | if (clear !== null) { 688 | this.sideloadCleartext(clear); 689 | this.synthesizeChange(); 690 | } 691 | e.preventDefault(); 692 | } 693 | return true; 694 | } 695 | } 696 | return true; 697 | }; 698 | 699 | Widgets.KeyChanger = function (e, o) { 700 | Widgets.Delegated.call(this, e, o); 701 | if (!Widgets.KeyChanger.initialized) Widgets.KeyChanger.init(); 702 | 703 | var impl = this.node.ownerDocument; 704 | var style = impl.createElement('style'); 705 | style.textContent = Widgets.KeyChanger.css; 706 | this.shadowContent.appendChild(style); 707 | this.wrapper = Widgets.KeyChanger.appendDiv(impl, this.shadowContent, 'wrapper'); 708 | this.delegate.className = 'delegate'; 709 | this.wrapper.appendChild(this.delegate); 710 | this.ui = Widgets.KeyChanger.appendDiv(impl, this.wrapper, 'ui'); 711 | var modal = Widgets.KeyChanger.appendDiv(impl, this.ui, 'ui-modal'); 712 | modal.addEventListener('click', this.clickModal.bind(this)); 713 | var background = Widgets.KeyChanger.appendDiv(impl, this.ui, 'ui-background'); 714 | var labelWrapper = Widgets.KeyChanger.appendDiv(impl, this.ui, 'label-wrapper'); 715 | this.label = Widgets.KeyChanger.appendDiv(impl, labelWrapper, 'label'); 716 | var ring = Widgets.KeyChanger.appendDiv(impl, this.ui, 'ring'); 717 | var lock = Widgets.KeyChanger.appendDiv(impl, this.ui, 'lock'); 718 | lock.addEventListener('click', this.clickLock.bind(this)); 719 | 720 | this.keyCount = 0; 721 | this.keyElements = []; 722 | this.keyNameElements = []; 723 | for (var fingerprint in Crypto.keys) { 724 | var key = Crypto.keys[fingerprint]; 725 | var keyWrapper = Widgets.KeyChanger.appendDiv(impl, ring, 'key-wrapper unlocked'); 726 | var keyNameElement = Widgets.KeyChanger.appendDiv(impl, keyWrapper, 'key-name color-' + key.color); 727 | keyNameElement.textContent = key.name; 728 | this.keyNameElements.push(keyNameElement); 729 | var keyElement = Widgets.KeyChanger.appendDiv(impl, keyWrapper, 'key color-' + key.color); 730 | keyElement.style.transform = 'rotate(150deg)'; 731 | this.keyElements.push(keyElement); 732 | keyWrapper.addEventListener('mouseenter', this.enterKeyWrapper.bind(this, this.keyCount, fingerprint)); 733 | keyWrapper.addEventListener('mouseleave', this.leaveKeyWrapper.bind(this, this.keyCount, fingerprint)); 734 | keyWrapper.addEventListener('click', this.clickKeyWrapper.bind(this, this.keyCount, fingerprint)); 735 | this.keyCount++; 736 | } 737 | 738 | this.keySpacing = Math.max(10, 50 - 5 * this.keyCount); 739 | this.extraSpacing = Math.max(0, 30 - this.keySpacing); 740 | var keyRange = (this.keyCount - 1) * this.keySpacing; 741 | this.keyOffsetStart = -0.5 * keyRange; 742 | this.keyNamesStart = 22 + this.keyOffsetStart; 743 | this.positionKeyNames(); 744 | 745 | var unlock = Widgets.KeyChanger.appendDiv(impl, ring, 'key-name unlock'); 746 | unlock.textContent = 'Unlock'; 747 | unlock.addEventListener('click', this.clickUnlock.bind(this)); 748 | 749 | this.keySelectionVisible = false; 750 | this.refreshState(); 751 | }; 752 | Widgets.KeyChanger.prototype = Object.create(Widgets.Delegated.prototype); 753 | Widgets.KeyChanger.prototype.constructor = Widgets.KeyChanger; 754 | 755 | Widgets.KeyChanger.initialized = false; 756 | Widgets.KeyChanger.css = null; 757 | 758 | Widgets.KeyChanger.appendDiv = function (impl, container, className) { 759 | var div = impl.createElement('div'); 760 | div.className = className; 761 | container.appendChild(div); 762 | return div; 763 | }; 764 | 765 | Widgets.KeyChanger.init = function (impl) { 766 | Widgets.KeyChanger.css = 767 | '.wrapper{display:flex;flex:auto;}\r\n' + 768 | '.delegate{display:block;flex:auto;margin:0;border:medium none;padding:0;background:transparent;font:inherit;color:inherit;outline:1px solid transparent;outline-offset:0;resize:none;}\r\n' + 769 | '.delegate:focus{outline-width:2px;}\r\n' + 770 | '.ui{position:absolute;bottom:0.625em;right:20px;}\r\n' + 771 | '.key-ui.ui{z-index:1;}\r\n' + 772 | '.ui-background{position:absolute;width:600px;height:600px;left:-300px;top:-300px;background-image:radial-gradient(closest-side,white 0%,rgba(255,255,255,0.3) 50%,rgba(255,255,255,0) 100%);transition:all ease-in-out 0.2s 0s;opacity:0;visibility:hidden;}\r\n' + 773 | '.key-ui .ui-background{opacity:1;visibility:visible;}\r\n' + 774 | '.ui-modal{position:fixed;top:0;left:0;bottom:0;right:0;background-color:white;transition:all ease-in-out 0.2s 0s;opacity:0;visibility:hidden;}\r\n' + 775 | '.key-ui .ui-modal{opacity:0.5;visibility:visible;}\r\n' + 776 | '.label-wrapper{position:absolute;top:12px;transition:all ease-in-out 0.2s 0s;opacity:0;visibility:hidden;}\r\n' + 777 | '.ui:hover .label-wrapper{opacity:1;visibility:visible;}\r\n' + 778 | '.ui.key-ui .label-wrapper{opacity:0;visibility:hidden;}\r\n' + 779 | '.label{position:relative;left:-50%;border:1px solid #cccccc;padding:3px;background-color:white;font:10px sans-serif;white-space:nowrap;}\r\n' + 780 | '.wrapper.unlocked .label{display:none;}\r\n' + 781 | '.ring{position:absolute;left:-34px;top:-34px;border:2px solid #999999;border-radius:64px;width:64px;height:64px;transition:all ease-in-out 0.2s 0s;transform-origin:50% 50%;transform:scale(0,0);opacity:0;}\r\n' + 782 | '.key-ui .ring{transform:scale(1,1);opacity:1;}\r\n' + 783 | '.key{width:40px;height:25px;background-image:url(' + chrome.extension.getURL('Spritesheet-01.png') + ');}\r\n' + 784 | '.ring .key{position:absolute;left:55px;top:20px;transition:all ease-in-out 0.2s 0s;transform-origin:-23px 50%;cursor:pointer;}\r\n' + 785 | '.key-name{position:absolute;padding:3px;font:500 10px sans-serif;white-space:nowrap;cursor:pointer;transition:all ease-in-out 0.2s 0s;opacity:0.8;}\r\n' + 786 | '.key-wrapper:hover .key-name,.key-name.unlock:hover{opacity:1;transform:scale(1.2,1.2);}\r\n' + 787 | '.key-name.unlock{top:75px;left:12px;color:dimgray;}\r\n' + 788 | '.lock{position:absolute;bottom:-20px;left:-20px;width:40px;height:40px;background:-160px -120px url(' + chrome.extension.getURL('Spritesheet-01.png') + ');cursor:pointer;}\r\n' + 789 | '.lock:hover,.key-ui .lock{opacity:1;}\r\n' + 790 | '\r\n' + 791 | '.key.color-1{background-position:0 -25px;}\r\n' + 792 | '.key.color-2{background-position:0 -50px;}\r\n' + 793 | '.key.color-3{background-position:0 -75px;}\r\n' + 794 | '.key.color-4{background-position:0 -100px;}\r\n' + 795 | '.key.color-5{background-position:0 -125px;}\r\n' + 796 | '.key.color-6{background-position:0 -150px;}\r\n' + 797 | '.wrapper.locked-color-0 .lock{background-position:-120px 0;}\r\n' + 798 | '.wrapper.locked-color-1 .lock{background-position:-120px -40px;}\r\n' + 799 | '.wrapper.locked-color-2 .lock{background-position:-120px -80px;}\r\n' + 800 | '.wrapper.locked-color-3 .lock{background-position:-120px -120px;}\r\n' + 801 | '.wrapper.locked-color-4 .lock{background-position:-160px 0;}\r\n' + 802 | '.wrapper.locked-color-5 .lock{background-position:-160px -40px;}\r\n' + 803 | '.wrapper.locked-color-6 .lock{background-position:-160px -80px;}\r\n' + 804 | '.wrapper.locked-color-0 .label,.key-name.color-0{color:#339999;}\r\n' + 805 | '.wrapper.locked-color-1 .label,.key-name.color-1{color:#336699;}\r\n' + 806 | '.wrapper.locked-color-2 .label,.key-name.color-2{color:#666699;}\r\n' + 807 | '.wrapper.locked-color-3 .label,.key-name.color-3{color:#ad4977;}\r\n' + 808 | '.wrapper.locked-color-4 .label,.key-name.color-4{color:#d1ae4a;}\r\n' + 809 | '.wrapper.locked-color-5 .label,.key-name.color-5{color:#996633;}\r\n' + 810 | '.wrapper.locked-color-6 .label,.key-name.color-6{color:#666666;}\r\n' + 811 | '.wrapper.locked-color-0 .delegate{outline-color:#339999;}\r\n' + 812 | '.wrapper.locked-color-1 .delegate{outline-color:#336699;}\r\n' + 813 | '.wrapper.locked-color-2 .delegate{outline-color:#666699;}\r\n' + 814 | '.wrapper.locked-color-3 .delegate{outline-color:#ad4977;}\r\n' + 815 | '.wrapper.locked-color-4 .delegate{outline-color:#d1ae4a;}\r\n' + 816 | '.wrapper.locked-color-5 .delegate{outline-color:#996633;}\r\n' + 817 | '.wrapper.locked-color-6 .delegate{outline-color:#666666;}\r\n' /* + 818 | '.wrapper.locked-color-0 .delegate:focus{box-shadow:inset 0 0 5px #339999;}\r\n' + 819 | '.wrapper.locked-color-1 .delegate:focus{box-shadow:inset 0 0 5px #336699;}\r\n' + 820 | '.wrapper.locked-color-2 .delegate:focus{box-shadow:inset 0 0 5px #666699;}\r\n' + 821 | '.wrapper.locked-color-3 .delegate:focus{box-shadow:inset 0 0 5px #ad4977;}\r\n' + 822 | '.wrapper.locked-color-4 .delegate:focus{box-shadow:inset 0 0 5px #d1ae4a;}\r\n' + 823 | '.wrapper.locked-color-5 .delegate:focus{box-shadow:inset 0 0 5px #996633;}\r\n' + 824 | '.wrapper.locked-color-6 .delegate:focus{box-shadow:inset 0 0 5px #666666;}\r\n' */; 825 | }; 826 | 827 | Widgets.KeyChanger.prototype.refreshState = function () { 828 | if (this.fingerprint === null) { 829 | this.wrapper.className = 'wrapper unlocked'; 830 | this.label.textContent = ''; 831 | } else { 832 | var key = Crypto.keys[this.fingerprint]; 833 | this.wrapper.className = 'wrapper locked-color-' + key.color; 834 | this.label.textContent = key.name + ': ' + key.passphrase; 835 | } 836 | }; 837 | 838 | Widgets.KeyChanger.prototype.setFingerprint = function (fingerprint) { 839 | Widgets.Encrypted.prototype.setFingerprint.call(this, fingerprint); 840 | this.refreshState(); 841 | }; 842 | 843 | Widgets.KeyChanger.prototype.positionKeyNames = function () { 844 | for (var i = 0; i < this.keyCount; i++) { 845 | var top = this.keyNamesStart + this.keySpacing * i; 846 | var rotation = (this.keyOffsetStart + i * this.keySpacing) / 180 * Math.PI; 847 | var left = 40 * Math.cos(rotation) + 60; 848 | this.keyNameElements[i].style.top = top + 'px'; 849 | this.keyNameElements[i].style.left = left + 'px'; 850 | } 851 | }; 852 | 853 | Widgets.KeyChanger.prototype.rotateKeys = function (option) { 854 | for (var i = 0; i < this.keyCount; i++) { 855 | var rotation; 856 | if (option === 'collapsed') { 857 | rotation = 150; 858 | } else { 859 | rotation = this.keyOffsetStart + this.keySpacing * i; 860 | if (option !== 'uniform') { 861 | if (i < option) rotation -= this.extraSpacing; 862 | else if (i > option) rotation += this.extraSpacing; 863 | } 864 | } 865 | this.keyElements[i].style.transform = 'rotate(' + rotation + 'deg)'; 866 | } 867 | }; 868 | 869 | Widgets.KeyChanger.prototype.hideKeySelection = function () { 870 | this.ui.classList.remove('key-ui'); 871 | this.rotateKeys('collapsed'); 872 | this.keySelectionVisible = false; 873 | }; 874 | 875 | Widgets.KeyChanger.prototype.showKeySelection = function () { 876 | this.ui.classList.add('key-ui'); 877 | this.rotateKeys('uniform'); 878 | this.keySelectionVisible = true; 879 | }; 880 | 881 | Widgets.KeyChanger.prototype.clickModal = function (e) { 882 | this.hideKeySelection(); 883 | e.stopPropagation(); 884 | e.preventDefault(); 885 | }; 886 | 887 | Widgets.KeyChanger.prototype.clickLock = function (e) { 888 | if (this.keySelectionVisible) this.hideKeySelection(); 889 | else this.showKeySelection(); 890 | e.stopPropagation(); 891 | e.preventDefault(); 892 | }; 893 | 894 | Widgets.KeyChanger.prototype.enterKeyWrapper = function (i, fingerprint, e) { 895 | if (this.keySelectionVisible) this.rotateKeys(i); 896 | }; 897 | 898 | Widgets.KeyChanger.prototype.leaveKeyWrapper = function (i, fingerprint, e) { 899 | if (this.keySelectionVisible) this.rotateKeys('uniform'); 900 | }; 901 | 902 | Widgets.KeyChanger.prototype.clickKeyWrapper = function (i, fingerprint, e) { 903 | this.setFingerprint(fingerprint); 904 | this.hideKeySelection(); 905 | e.stopPropagation(); 906 | e.preventDefault(); 907 | }; 908 | 909 | Widgets.KeyChanger.prototype.clickUnlock = function (e) { 910 | this.setFingerprint(null); 911 | this.hideKeySelection(); 912 | e.stopPropagation(); 913 | e.preventDefault(); 914 | }; 915 | 916 | Widgets.adapters.Input = function (e, o) { 917 | Widgets.KeyChanger.call(this, e, o); 918 | this.setValue = Content.shimProp(this.node, 'value', this.node.value, this.onValueSet.bind(this)); 919 | 920 | this.delegate.value = this.decrypt(this.node.value); 921 | this.delegate.addEventListener('change', this.onChange.bind(this), true); 922 | 923 | this.activateDelegate(); 924 | }; 925 | Widgets.adapters.Input.prototype = Object.create(Widgets.KeyChanger.prototype); 926 | Widgets.adapters.Input.prototype.constructor = Widgets.adapters.Input; 927 | 928 | Widgets.adapters.Input.prototype.delegateTagName = 'input'; 929 | 930 | Widgets.adapters.Input.prototype.refreshEncryption = function () { 931 | var plain = this.delegate.value; 932 | var cipher = this.encrypt(plain); 933 | this.node.value = cipher; 934 | this.setValue(cipher); 935 | }; 936 | 937 | Widgets.adapters.Input.prototype.onValueSet = function (v) { 938 | var cipher = v; 939 | var plain = this.decrypt(cipher); 940 | this.node.value = cipher; 941 | this.delegate.value = plain; 942 | }; 943 | 944 | Widgets.adapters.Input.prototype.onChange = function (e) { 945 | var event = new Event('change'); 946 | this.node.dispatchEvent(event); 947 | }; 948 | 949 | Widgets.adapters.Input.prototype.handlePrivateEvent = function (e) { 950 | if (e.keyCode === 13) { 951 | if (!e.defaultPrevented && this.node.form) { 952 | if (e.type === 'keydown') { 953 | var event = new Event('submit'); 954 | this.node.form.dispatchEvent(event); 955 | // caveat: doesn't take into account form* attributes 956 | this.node.form.submit(); 957 | } 958 | } 959 | return false; 960 | } 961 | return Widgets.Delegated.prototype.handlePrivateEvent.call(this, e); 962 | }; 963 | 964 | Widgets.adapters.TextArea = function (e, o) { 965 | Widgets.KeyChanger.call(this, e, o); 966 | this.setValue = Content.shimProp(this.node, 'value', this.node.value, this.onValueSet.bind(this)); 967 | 968 | this.delegate.value = this.decrypt(this.node.value); 969 | this.delegate.addEventListener('change', this.onChange.bind(this)); 970 | 971 | this.activateDelegate(); 972 | }; 973 | Widgets.adapters.TextArea.prototype = Object.create(Widgets.KeyChanger.prototype); 974 | Widgets.adapters.TextArea.prototype.constructor = Widgets.adapters.TextArea; 975 | 976 | Widgets.adapters.TextArea.simpleStyles = [ 977 | 'visibility', 978 | 'top', 979 | 'left', 980 | 'bottom', 981 | 'right', 982 | 'float', 983 | 'clear', 984 | 'zIndex', 985 | 'boxSizing', 986 | 'margin', 987 | 'border', 988 | 'padding', 989 | 'boxShadow', 990 | 'width', 991 | 'height', 992 | 'background', 993 | 'font', 994 | 'color' 995 | ]; 996 | 997 | Widgets.adapters.TextArea.prototype.delegateTagName = 'textarea'; 998 | 999 | Widgets.adapters.TextArea.prototype.getShadowHost = function () { 1000 | var impl = this.node.ownerDocument; 1001 | var parent = impl.createElement('div'); 1002 | this.node.parentNode.replaceChild(parent, this.node); 1003 | parent.appendChild(this.node); 1004 | return parent; 1005 | }; 1006 | 1007 | Widgets.adapters.TextArea.prototype.applyHostStyles = function (dst, src) { 1008 | Widgets.Delegated.prototype.applyHostStyles.call(this, dst, src); 1009 | for (var i = 0; i < Widgets.adapters.TextArea.simpleStyles.length; i++) { 1010 | var name = Widgets.adapters.TextArea.simpleStyles[i]; 1011 | dst[name] = src[name]; 1012 | } 1013 | }; 1014 | 1015 | Widgets.adapters.TextArea.prototype.refreshEncryption = function () { 1016 | var plain = this.delegate.value; 1017 | var cipher = this.encrypt(plain); 1018 | this.node.value = cipher; 1019 | this.setValue(cipher); 1020 | }; 1021 | 1022 | Widgets.adapters.TextArea.prototype.onValueSet = function (v) { 1023 | var cipher = v; 1024 | var plain = this.decrypt(cipher); 1025 | this.node.value = cipher; 1026 | this.delegate.value = plain; 1027 | }; 1028 | 1029 | Widgets.adapters.TextArea.prototype.onInputEarly = function (e) { 1030 | Widgets.Delegated.prototype.onInputEarly.call(this, e); 1031 | e.stopPropagation(); 1032 | var event = new Event('input'); 1033 | this.node.dispatchEvent(event); 1034 | }; 1035 | 1036 | Widgets.adapters.TextArea.prototype.onChange = function (e) { 1037 | var event = new Event('change'); 1038 | this.node.dispatchEvent(event); 1039 | }; 1040 | 1041 | Widgets.adapters.TextArea.prototype.handlePrivateEvent = function (e) { 1042 | var event = new KeyboardEvent(e.type, {}); 1043 | this.node.dispatchEvent(event); 1044 | if (e.keyCode == 13) return false; 1045 | return Widgets.Delegated.prototype.handlePrivateEvent.call(this, e); 1046 | }; 1047 | 1048 | Widgets.adapters.ContentEditable = function (e, o) { 1049 | Widgets.KeyChanger.call(this, e, o); 1050 | this.node.shadowcryptUpdateContent = this.updateContent.bind(this); 1051 | 1052 | this.delegate.value = this.decrypt(Compat.getInnerText(this.node)); 1053 | 1054 | var impl = this.node.ownerDocument; 1055 | var innerTextReflector = impl.createElement('content'); 1056 | var invisible = impl.createElement('div'); 1057 | invisible.style.cssText = 'position:absolute;width:1px;height:1px;overflow:hidden;opacity:0;'; 1058 | invisible.appendChild(innerTextReflector); 1059 | this.shadowContent.appendChild(invisible); 1060 | 1061 | this.activateDelegate(); 1062 | }; 1063 | Widgets.adapters.ContentEditable.prototype = Object.create(Widgets.KeyChanger.prototype); 1064 | Widgets.adapters.ContentEditable.prototype.constructor = Widgets.adapters.ContentEditable; 1065 | 1066 | Widgets.adapters.ContentEditable.prototype.delegateTagName = 'textarea'; 1067 | 1068 | Widgets.adapters.ContentEditable.prototype.refreshEncryption = function () { 1069 | var plain = this.delegate.value; 1070 | var cipher = this.encrypt(plain); 1071 | this.node.textContent = cipher; 1072 | }; 1073 | 1074 | Widgets.adapters.ContentEditable.prototype.updateContent = function () { 1075 | // caveat: this is stuck with textContent, since innerText uses the composed tree 1076 | var cipher = this.node.textContent; 1077 | var plain = this.decrypt(cipher); 1078 | this.delegate.value = plain; 1079 | }; 1080 | 1081 | Widgets.adapters.IFrame = function (e, o) { 1082 | Widgets.AbstractAdapter.call(this, e); 1083 | e.addEventListener('load', this.onLoad.bind(this)); 1084 | this.onLoad(null); 1085 | }; 1086 | Widgets.adapters.IFrame.prototype = Object.create(Widgets.AbstractAdapter.prototype); 1087 | Widgets.adapters.IFrame.prototype.constructor = Widgets.adapters.IFrame; 1088 | 1089 | Widgets.adapters.IFrame.prototype.onLoad = function () { 1090 | try { 1091 | // test access first 1092 | this.node.contentDocument; 1093 | Content.propagate(this.node); 1094 | Widgets.init(this.node.contentWindow); 1095 | Observer.init(this.node.contentDocument); 1096 | } catch (e) { 1097 | // console.warn(e); // %%% 1098 | } 1099 | }; 1100 | 1101 | Widgets.init = function (win) { 1102 | win.addEventListener('input', Widgets.onInputEarly, true); 1103 | win.addEventListener('keydown', Widgets.onInterceptKey, true); 1104 | win.addEventListener('keyup', Widgets.onInterceptKey, true); 1105 | win.addEventListener('keypress', Widgets.onInterceptKey, true); 1106 | }; 1107 | 1108 | Widgets.onInputEarly = function (e) { 1109 | if ('shadowcryptInputEarly' in e.target) { 1110 | e.target.shadowcryptInputEarly(e); 1111 | } 1112 | }; 1113 | 1114 | Widgets.onInterceptKey = function (e) { 1115 | if ('shadowcryptHandlePrivateEvent' in e.target) { 1116 | var shouldStop = e.target.shadowcryptHandlePrivateEvent(e); 1117 | if (shouldStop) e.stopImmediatePropagation(); 1118 | } 1119 | }; 1120 | 1121 | Widgets.createAdapter = function (node, rule) { 1122 | var tag = node.tagName.toLowerCase(); 1123 | if (tag === 'input') { 1124 | if (node.type === 'text') { 1125 | // TODO: more heuristics 1126 | return new Widgets.adapters.Input(node, rule); 1127 | } 1128 | } else if (tag === 'textarea') { 1129 | return new Widgets.adapters.TextArea(node, rule); 1130 | } else if (tag === 'iframe') { 1131 | return new Widgets.adapters.IFrame(node, rule); 1132 | } else { 1133 | if (node.contentEditable === 'true') { 1134 | return new Widgets.adapters.ContentEditable(node, rule); 1135 | } 1136 | } 1137 | return null; 1138 | }; 1139 | 1140 | Widgets.updateContent = function (node) { 1141 | if (!node) return; 1142 | if (node.nodeType === Document.ELEMENT_NODE) { 1143 | if ('shadowcryptUpdateContent' in node) { 1144 | node.shadowcryptUpdateContent(); 1145 | return; 1146 | } 1147 | } 1148 | Widgets.updateContent(node.parentNode); 1149 | }; 1150 | 1151 | Widgets.onAdd = function (node) { 1152 | if ('shadowcryptSeenWidget' in node) return; 1153 | var rule = Widgets.findRule(node); 1154 | if (!('noShim' in rule)) { 1155 | var adapter = Widgets.createAdapter(node, rule); 1156 | if (adapter !== null) node.shadowcryptSeenWidget = true; 1157 | } 1158 | }; 1159 | 1160 | Widgets.findRule = function (node) { 1161 | for (var i = 0; i < Widgets.rules.length; i++) { 1162 | var rule = Widgets.rules[i]; 1163 | if (Compat.matches(node, rule.selector)) return rule; 1164 | } 1165 | return {}; 1166 | }; 1167 | 1168 | var Observer = { 1169 | OPTIONS: { 1170 | attributes: true, 1171 | childList: true, 1172 | characterData: true, 1173 | subtree: true 1174 | }, 1175 | observer: null 1176 | }; 1177 | 1178 | Observer.onAttributes = function (target, attributeName) { 1179 | // console.log('attributes', target, attributeName); // %%% 1180 | if (attributeName === 'contenteditable' && target.contentEditable === 'true') Widgets.onAdd(target); 1181 | }; 1182 | 1183 | Observer.onCharacterData = function (target) { 1184 | // console.log('characterData', target, target.nodeValue); // %%% 1185 | Widgets.updateContent(target); 1186 | }; 1187 | 1188 | Observer.onChildList = function (target) { 1189 | Widgets.updateContent(target); 1190 | }; 1191 | 1192 | Observer.onAddedNode = function (impl, target, addedNode) { 1193 | // console.log('addedNode', target, addedNode); // %%% 1194 | if (addedNode.nodeType === Document.ELEMENT_NODE) { 1195 | var widgets = addedNode.querySelectorAll(Widgets.WIDGET_SELECTOR); 1196 | for (var i = 0; i < widgets.length; i++) { 1197 | Widgets.onAdd(widgets[i]); 1198 | } 1199 | Widgets.onAdd(addedNode); 1200 | } 1201 | Rewriter.rewriteMarkup(impl, addedNode); 1202 | }; 1203 | 1204 | Observer.callback = function (mutationRecords, observer) { 1205 | for (var i = 0; i < mutationRecords.length; i++) { 1206 | var mutationRecord = mutationRecords[i]; 1207 | var target = mutationRecord.target; 1208 | var impl = target.ownerDocument; 1209 | switch (mutationRecord.type) { 1210 | case 'attributes': 1211 | Observer.onAttributes(mutationRecord.target, mutationRecord.attributeName); 1212 | break; 1213 | case 'characterData': 1214 | if (!target.ownerDocument.contains(target)) continue; 1215 | Observer.onCharacterData(target); 1216 | break; 1217 | case 'childList': 1218 | Observer.onChildList(target); 1219 | var addedNodes = mutationRecord.addedNodes; 1220 | for (var j = 0; j < addedNodes.length; j++) { 1221 | var addedNode = addedNodes[j]; 1222 | if (!addedNode.ownerDocument.contains(addedNode)) continue; 1223 | Observer.onAddedNode(impl, target, addedNode); 1224 | } 1225 | break; 1226 | } 1227 | } 1228 | }; 1229 | 1230 | Observer.init = function (doc) { 1231 | if (doc.head) Observer.onAddedNode(doc, doc.documentElement, doc.head); 1232 | if (doc.body) Observer.onAddedNode(doc, doc.documentElement, doc.body); 1233 | Observer.observer = new MutationObserver(Observer.callback); 1234 | Observer.observer.observe(doc.documentElement, Observer.OPTIONS); 1235 | }; 1236 | 1237 | var Startup = { 1238 | name: null 1239 | }; 1240 | 1241 | Startup.init = function () { 1242 | Startup.name = 'origin-' + window.location.origin; 1243 | chrome.storage.sync.get(Startup.name, Startup.onGet); 1244 | }; 1245 | 1246 | Startup.onGet = function (items) { 1247 | if (!(Startup.name in items)) return; 1248 | var site = items[Startup.name]; 1249 | Crypto.keys = site.keys; 1250 | Widgets.Encrypted.prototype.fingerprint = site.defaultFingerprint; 1251 | Widgets.rules = Startup.filterRules(site.rules); 1252 | 1253 | Content.init(); 1254 | Widgets.init(window); 1255 | Observer.init(document); 1256 | }; 1257 | 1258 | Startup.filterRules = function (rules) { 1259 | var applicable = []; 1260 | var url = window.location.href; 1261 | for (var i = 0; i < rules.length; i++) { 1262 | var rule = rules[i]; 1263 | rule.urlPattern = new RegExp(rule.urlPattern); 1264 | if (rule.urlPattern.test(url)) applicable.push(rule); 1265 | } 1266 | return applicable; 1267 | }; 1268 | 1269 | Startup.init(); 1270 | -------------------------------------------------------------------------------- /ext/jquery/jquery-2.1.0.min.js: 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