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-rw-r--r--src/content/DocumentCSP.js4
-rw-r--r--src/content/staticNS.js16
-rw-r--r--src/lib/sha256.js518
-rw-r--r--src/manifest.json2
4 files changed, 537 insertions, 3 deletions
diff --git a/src/content/DocumentCSP.js b/src/content/DocumentCSP.js
index 7632ce7..ade9013 100644
--- a/src/content/DocumentCSP.js
+++ b/src/content/DocumentCSP.js
@@ -25,11 +25,11 @@ class DocumentCSP {
try {
parent.insertBefore(meta, parent.firstChild);
- debug(`Failsafe <meta> CSP inserted in the DOM: "%s"`, header.value);
+ debug(`Failsafe <meta> CSP inserted in %s: "%s"`, document.URL, header.value);
meta.remove();
if (!head) parent.remove();
} catch (e) {
- error(e, "Error inserting CSP %s in the DOM", header && header.value);
+ error(e, "Error inserting CSP %s in %s", document.URL, header && header.value);
}
}
diff --git a/src/content/staticNS.js b/src/content/staticNS.js
index 6002bfd..0cd254c 100644
--- a/src/content/staticNS.js
+++ b/src/content/staticNS.js
@@ -51,7 +51,9 @@
// to store per-tab information, erasing it as soon as we see it
// (before any content can access it)
- if (this.config.MARKER = MARKER) {
+ let checkUnrestricted = challenge => sha256(`${MARKER}:${challenge}`);
+
+ if ((this.config.MARKER = MARKER) && permissions) {
let cookieRx = new RegExp(`(?:^|;\\s*)(${MARKER}(?:_\\d+){2})=([^;]*)`);
let match = document.cookie.match(cookieRx);
if (match) {
@@ -63,9 +65,21 @@
} catch (e) {
error(e);
}
+ } else if (window !== window.top) {
+ // The cookie hack won't work for non-HTTP subframes (issue #48),
+ // or the cookie might have been deleted in a race condition,
+ // so here we try to check the parent
+ let checkParent = parent.wrappedJSObject.checkNoScriptUnrestricted;
+ if (checkParent) {
+ let challenge = uuid();
+ let unrestricted = checkParent(challenge) === checkUnrestricted(challenge);
+ this.config.tabInfo = {unrestricted, inherited: true};
+ }
}
}
+
if (!this.config.permissions || this.config.tabInfo.unrestricted) {
+ exportFunction(checkUnrestricted, window, {defineAs: "checkNoScriptUnrestricted"});
debug("%s is loading unrestricted by user's choice (%o).", document.URL, this.config);
this.allows = () => true;
this.capabilities = Object.assign(
diff --git a/src/lib/sha256.js b/src/lib/sha256.js
new file mode 100644
index 0000000..14bcf45
--- /dev/null
+++ b/src/lib/sha256.js
@@ -0,0 +1,518 @@
+/**
+ * [js-sha256]{@link https://github.com/emn178/js-sha256}
+ *
+ * @version 0.9.0
+ * @author Chen, Yi-Cyuan [emn178@gmail.com]
+ * @copyright Chen, Yi-Cyuan 2014-2017
+ * @license MIT
+ */
+/*jslint bitwise: true */
+(function () {
+ 'use strict';
+
+ var ERROR = 'input is invalid type';
+ var WINDOW = typeof window === 'object';
+ var root = WINDOW ? window : {};
+ if (root.JS_SHA256_NO_WINDOW) {
+ WINDOW = false;
+ }
+ var WEB_WORKER = !WINDOW && typeof self === 'object';
+ var NODE_JS = !root.JS_SHA256_NO_NODE_JS && typeof process === 'object' && process.versions && process.versions.node;
+ if (NODE_JS) {
+ root = global;
+ } else if (WEB_WORKER) {
+ root = self;
+ }
+ var COMMON_JS = !root.JS_SHA256_NO_COMMON_JS && typeof module === 'object' && module.exports;
+ var AMD = typeof define === 'function' && define.amd;
+ var ARRAY_BUFFER = !root.JS_SHA256_NO_ARRAY_BUFFER && typeof ArrayBuffer !== 'undefined';
+ var HEX_CHARS = '0123456789abcdef'.split('');
+ var EXTRA = [-2147483648, 8388608, 32768, 128];
+ var SHIFT = [24, 16, 8, 0];
+ var K = [
+ 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
+ 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
+ 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
+ 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
+ 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
+ 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
+ 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
+ 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
+ ];
+ var OUTPUT_TYPES = ['hex', 'array', 'digest', 'arrayBuffer'];
+
+ var blocks = [];
+
+ if (root.JS_SHA256_NO_NODE_JS || !Array.isArray) {
+ Array.isArray = function (obj) {
+ return Object.prototype.toString.call(obj) === '[object Array]';
+ };
+ }
+
+ if (ARRAY_BUFFER && (root.JS_SHA256_NO_ARRAY_BUFFER_IS_VIEW || !ArrayBuffer.isView)) {
+ ArrayBuffer.isView = function (obj) {
+ return typeof obj === 'object' && obj.buffer && obj.buffer.constructor === ArrayBuffer;
+ };
+ }
+
+ var createOutputMethod = function (outputType, is224) {
+ return function (message) {
+ return new Sha256(is224, true).update(message)[outputType]();
+ };
+ };
+
+ var createMethod = function (is224) {
+ var method = createOutputMethod('hex', is224);
+ if (NODE_JS) {
+ method = nodeWrap(method, is224);
+ }
+ method.create = function () {
+ return new Sha256(is224);
+ };
+ method.update = function (message) {
+ return method.create().update(message);
+ };
+ for (var i = 0; i < OUTPUT_TYPES.length; ++i) {
+ var type = OUTPUT_TYPES[i];
+ method[type] = createOutputMethod(type, is224);
+ }
+ return method;
+ };
+
+ var nodeWrap = function (method, is224) {
+ var crypto = eval("require('crypto')");
+ var Buffer = eval("require('buffer').Buffer");
+ var algorithm = is224 ? 'sha224' : 'sha256';
+ var nodeMethod = function (message) {
+ if (typeof message === 'string') {
+ return crypto.createHash(algorithm).update(message, 'utf8').digest('hex');
+ } else {
+ if (message === null || message === undefined) {
+ throw new Error(ERROR);
+ } else if (message.constructor === ArrayBuffer) {
+ message = new Uint8Array(message);
+ }
+ }
+ if (Array.isArray(message) || ArrayBuffer.isView(message) ||
+ message.constructor === Buffer) {
+ return crypto.createHash(algorithm).update(new Buffer(message)).digest('hex');
+ } else {
+ return method(message);
+ }
+ };
+ return nodeMethod;
+ };
+
+ var createHmacOutputMethod = function (outputType, is224) {
+ return function (key, message) {
+ return new HmacSha256(key, is224, true).update(message)[outputType]();
+ };
+ };
+
+ var createHmacMethod = function (is224) {
+ var method = createHmacOutputMethod('hex', is224);
+ method.create = function (key) {
+ return new HmacSha256(key, is224);
+ };
+ method.update = function (key, message) {
+ return method.create(key).update(message);
+ };
+ for (var i = 0; i < OUTPUT_TYPES.length; ++i) {
+ var type = OUTPUT_TYPES[i];
+ method[type] = createHmacOutputMethod(type, is224);
+ }
+ return method;
+ };
+
+ function Sha256(is224, sharedMemory) {
+ if (sharedMemory) {
+ blocks[0] = blocks[16] = blocks[1] = blocks[2] = blocks[3] =
+ blocks[4] = blocks[5] = blocks[6] = blocks[7] =
+ blocks[8] = blocks[9] = blocks[10] = blocks[11] =
+ blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
+ this.blocks = blocks;
+ } else {
+ this.blocks = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
+ }
+
+ if (is224) {
+ this.h0 = 0xc1059ed8;
+ this.h1 = 0x367cd507;
+ this.h2 = 0x3070dd17;
+ this.h3 = 0xf70e5939;
+ this.h4 = 0xffc00b31;
+ this.h5 = 0x68581511;
+ this.h6 = 0x64f98fa7;
+ this.h7 = 0xbefa4fa4;
+ } else { // 256
+ this.h0 = 0x6a09e667;
+ this.h1 = 0xbb67ae85;
+ this.h2 = 0x3c6ef372;
+ this.h3 = 0xa54ff53a;
+ this.h4 = 0x510e527f;
+ this.h5 = 0x9b05688c;
+ this.h6 = 0x1f83d9ab;
+ this.h7 = 0x5be0cd19;
+ }
+
+ this.block = this.start = this.bytes = this.hBytes = 0;
+ this.finalized = this.hashed = false;
+ this.first = true;
+ this.is224 = is224;
+ }
+
+ Sha256.prototype.update = function (message) {
+ if (this.finalized) {
+ return;
+ }
+ var notString, type = typeof message;
+ if (type !== 'string') {
+ if (type === 'object') {
+ if (message === null) {
+ throw new Error(ERROR);
+ } else if (ARRAY_BUFFER && message.constructor === ArrayBuffer) {
+ message = new Uint8Array(message);
+ } else if (!Array.isArray(message)) {
+ if (!ARRAY_BUFFER || !ArrayBuffer.isView(message)) {
+ throw new Error(ERROR);
+ }
+ }
+ } else {
+ throw new Error(ERROR);
+ }
+ notString = true;
+ }
+ var code, index = 0, i, length = message.length, blocks = this.blocks;
+
+ while (index < length) {
+ if (this.hashed) {
+ this.hashed = false;
+ blocks[0] = this.block;
+ blocks[16] = blocks[1] = blocks[2] = blocks[3] =
+ blocks[4] = blocks[5] = blocks[6] = blocks[7] =
+ blocks[8] = blocks[9] = blocks[10] = blocks[11] =
+ blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
+ }
+
+ if (notString) {
+ for (i = this.start; index < length && i < 64; ++index) {
+ blocks[i >> 2] |= message[index] << SHIFT[i++ & 3];
+ }
+ } else {
+ for (i = this.start; index < length && i < 64; ++index) {
+ code = message.charCodeAt(index);
+ if (code < 0x80) {
+ blocks[i >> 2] |= code << SHIFT[i++ & 3];
+ } else if (code < 0x800) {
+ blocks[i >> 2] |= (0xc0 | (code >> 6)) << SHIFT[i++ & 3];
+ blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
+ } else if (code < 0xd800 || code >= 0xe000) {
+ blocks[i >> 2] |= (0xe0 | (code >> 12)) << SHIFT[i++ & 3];
+ blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
+ blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
+ } else {
+ code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff));
+ blocks[i >> 2] |= (0xf0 | (code >> 18)) << SHIFT[i++ & 3];
+ blocks[i >> 2] |= (0x80 | ((code >> 12) & 0x3f)) << SHIFT[i++ & 3];
+ blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
+ blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
+ }
+ }
+ }
+
+ this.lastByteIndex = i;
+ this.bytes += i - this.start;
+ if (i >= 64) {
+ this.block = blocks[16];
+ this.start = i - 64;
+ this.hash();
+ this.hashed = true;
+ } else {
+ this.start = i;
+ }
+ }
+ if (this.bytes > 4294967295) {
+ this.hBytes += this.bytes / 4294967296 << 0;
+ this.bytes = this.bytes % 4294967296;
+ }
+ return this;
+ };
+
+ Sha256.prototype.finalize = function () {
+ if (this.finalized) {
+ return;
+ }
+ this.finalized = true;
+ var blocks = this.blocks, i = this.lastByteIndex;
+ blocks[16] = this.block;
+ blocks[i >> 2] |= EXTRA[i & 3];
+ this.block = blocks[16];
+ if (i >= 56) {
+ if (!this.hashed) {
+ this.hash();
+ }
+ blocks[0] = this.block;
+ blocks[16] = blocks[1] = blocks[2] = blocks[3] =
+ blocks[4] = blocks[5] = blocks[6] = blocks[7] =
+ blocks[8] = blocks[9] = blocks[10] = blocks[11] =
+ blocks[12] = blocks[13] = blocks[14] = blocks[15] = 0;
+ }
+ blocks[14] = this.hBytes << 3 | this.bytes >>> 29;
+ blocks[15] = this.bytes << 3;
+ this.hash();
+ };
+
+ Sha256.prototype.hash = function () {
+ var a = this.h0, b = this.h1, c = this.h2, d = this.h3, e = this.h4, f = this.h5, g = this.h6,
+ h = this.h7, blocks = this.blocks, j, s0, s1, maj, t1, t2, ch, ab, da, cd, bc;
+
+ for (j = 16; j < 64; ++j) {
+ // rightrotate
+ t1 = blocks[j - 15];
+ s0 = ((t1 >>> 7) | (t1 << 25)) ^ ((t1 >>> 18) | (t1 << 14)) ^ (t1 >>> 3);
+ t1 = blocks[j - 2];
+ s1 = ((t1 >>> 17) | (t1 << 15)) ^ ((t1 >>> 19) | (t1 << 13)) ^ (t1 >>> 10);
+ blocks[j] = blocks[j - 16] + s0 + blocks[j - 7] + s1 << 0;
+ }
+
+ bc = b & c;
+ for (j = 0; j < 64; j += 4) {
+ if (this.first) {
+ if (this.is224) {
+ ab = 300032;
+ t1 = blocks[0] - 1413257819;
+ h = t1 - 150054599 << 0;
+ d = t1 + 24177077 << 0;
+ } else {
+ ab = 704751109;
+ t1 = blocks[0] - 210244248;
+ h = t1 - 1521486534 << 0;
+ d = t1 + 143694565 << 0;
+ }
+ this.first = false;
+ } else {
+ s0 = ((a >>> 2) | (a << 30)) ^ ((a >>> 13) | (a << 19)) ^ ((a >>> 22) | (a << 10));
+ s1 = ((e >>> 6) | (e << 26)) ^ ((e >>> 11) | (e << 21)) ^ ((e >>> 25) | (e << 7));
+ ab = a & b;
+ maj = ab ^ (a & c) ^ bc;
+ ch = (e & f) ^ (~e & g);
+ t1 = h + s1 + ch + K[j] + blocks[j];
+ t2 = s0 + maj;
+ h = d + t1 << 0;
+ d = t1 + t2 << 0;
+ }
+ s0 = ((d >>> 2) | (d << 30)) ^ ((d >>> 13) | (d << 19)) ^ ((d >>> 22) | (d << 10));
+ s1 = ((h >>> 6) | (h << 26)) ^ ((h >>> 11) | (h << 21)) ^ ((h >>> 25) | (h << 7));
+ da = d & a;
+ maj = da ^ (d & b) ^ ab;
+ ch = (h & e) ^ (~h & f);
+ t1 = g + s1 + ch + K[j + 1] + blocks[j + 1];
+ t2 = s0 + maj;
+ g = c + t1 << 0;
+ c = t1 + t2 << 0;
+ s0 = ((c >>> 2) | (c << 30)) ^ ((c >>> 13) | (c << 19)) ^ ((c >>> 22) | (c << 10));
+ s1 = ((g >>> 6) | (g << 26)) ^ ((g >>> 11) | (g << 21)) ^ ((g >>> 25) | (g << 7));
+ cd = c & d;
+ maj = cd ^ (c & a) ^ da;
+ ch = (g & h) ^ (~g & e);
+ t1 = f + s1 + ch + K[j + 2] + blocks[j + 2];
+ t2 = s0 + maj;
+ f = b + t1 << 0;
+ b = t1 + t2 << 0;
+ s0 = ((b >>> 2) | (b << 30)) ^ ((b >>> 13) | (b << 19)) ^ ((b >>> 22) | (b << 10));
+ s1 = ((f >>> 6) | (f << 26)) ^ ((f >>> 11) | (f << 21)) ^ ((f >>> 25) | (f << 7));
+ bc = b & c;
+ maj = bc ^ (b & d) ^ cd;
+ ch = (f & g) ^ (~f & h);
+ t1 = e + s1 + ch + K[j + 3] + blocks[j + 3];
+ t2 = s0 + maj;
+ e = a + t1 << 0;
+ a = t1 + t2 << 0;
+ }
+
+ this.h0 = this.h0 + a << 0;
+ this.h1 = this.h1 + b << 0;
+ this.h2 = this.h2 + c << 0;
+ this.h3 = this.h3 + d << 0;
+ this.h4 = this.h4 + e << 0;
+ this.h5 = this.h5 + f << 0;
+ this.h6 = this.h6 + g << 0;
+ this.h7 = this.h7 + h << 0;
+ };
+
+ Sha256.prototype.hex = function () {
+ this.finalize();
+
+ var h0 = this.h0, h1 = this.h1, h2 = this.h2, h3 = this.h3, h4 = this.h4, h5 = this.h5,
+ h6 = this.h6, h7 = this.h7;
+
+ var hex = HEX_CHARS[(h0 >> 28) & 0x0F] + HEX_CHARS[(h0 >> 24) & 0x0F] +
+ HEX_CHARS[(h0 >> 20) & 0x0F] + HEX_CHARS[(h0 >> 16) & 0x0F] +
+ HEX_CHARS[(h0 >> 12) & 0x0F] + HEX_CHARS[(h0 >> 8) & 0x0F] +
+ HEX_CHARS[(h0 >> 4) & 0x0F] + HEX_CHARS[h0 & 0x0F] +
+ HEX_CHARS[(h1 >> 28) & 0x0F] + HEX_CHARS[(h1 >> 24) & 0x0F] +
+ HEX_CHARS[(h1 >> 20) & 0x0F] + HEX_CHARS[(h1 >> 16) & 0x0F] +
+ HEX_CHARS[(h1 >> 12) & 0x0F] + HEX_CHARS[(h1 >> 8) & 0x0F] +
+ HEX_CHARS[(h1 >> 4) & 0x0F] + HEX_CHARS[h1 & 0x0F] +
+ HEX_CHARS[(h2 >> 28) & 0x0F] + HEX_CHARS[(h2 >> 24) & 0x0F] +
+ HEX_CHARS[(h2 >> 20) & 0x0F] + HEX_CHARS[(h2 >> 16) & 0x0F] +
+ HEX_CHARS[(h2 >> 12) & 0x0F] + HEX_CHARS[(h2 >> 8) & 0x0F] +
+ HEX_CHARS[(h2 >> 4) & 0x0F] + HEX_CHARS[h2 & 0x0F] +
+ HEX_CHARS[(h3 >> 28) & 0x0F] + HEX_CHARS[(h3 >> 24) & 0x0F] +
+ HEX_CHARS[(h3 >> 20) & 0x0F] + HEX_CHARS[(h3 >> 16) & 0x0F] +
+ HEX_CHARS[(h3 >> 12) & 0x0F] + HEX_CHARS[(h3 >> 8) & 0x0F] +
+ HEX_CHARS[(h3 >> 4) & 0x0F] + HEX_CHARS[h3 & 0x0F] +
+ HEX_CHARS[(h4 >> 28) & 0x0F] + HEX_CHARS[(h4 >> 24) & 0x0F] +
+ HEX_CHARS[(h4 >> 20) & 0x0F] + HEX_CHARS[(h4 >> 16) & 0x0F] +
+ HEX_CHARS[(h4 >> 12) & 0x0F] + HEX_CHARS[(h4 >> 8) & 0x0F] +
+ HEX_CHARS[(h4 >> 4) & 0x0F] + HEX_CHARS[h4 & 0x0F] +
+ HEX_CHARS[(h5 >> 28) & 0x0F] + HEX_CHARS[(h5 >> 24) & 0x0F] +
+ HEX_CHARS[(h5 >> 20) & 0x0F] + HEX_CHARS[(h5 >> 16) & 0x0F] +
+ HEX_CHARS[(h5 >> 12) & 0x0F] + HEX_CHARS[(h5 >> 8) & 0x0F] +
+ HEX_CHARS[(h5 >> 4) & 0x0F] + HEX_CHARS[h5 & 0x0F] +
+ HEX_CHARS[(h6 >> 28) & 0x0F] + HEX_CHARS[(h6 >> 24) & 0x0F] +
+ HEX_CHARS[(h6 >> 20) & 0x0F] + HEX_CHARS[(h6 >> 16) & 0x0F] +
+ HEX_CHARS[(h6 >> 12) & 0x0F] + HEX_CHARS[(h6 >> 8) & 0x0F] +
+ HEX_CHARS[(h6 >> 4) & 0x0F] + HEX_CHARS[h6 & 0x0F];
+ if (!this.is224) {
+ hex += HEX_CHARS[(h7 >> 28) & 0x0F] + HEX_CHARS[(h7 >> 24) & 0x0F] +
+ HEX_CHARS[(h7 >> 20) & 0x0F] + HEX_CHARS[(h7 >> 16) & 0x0F] +
+ HEX_CHARS[(h7 >> 12) & 0x0F] + HEX_CHARS[(h7 >> 8) & 0x0F] +
+ HEX_CHARS[(h7 >> 4) & 0x0F] + HEX_CHARS[h7 & 0x0F];
+ }
+ return hex;
+ };
+
+ Sha256.prototype.toString = Sha256.prototype.hex;
+
+ Sha256.prototype.digest = function () {
+ this.finalize();
+
+ var h0 = this.h0, h1 = this.h1, h2 = this.h2, h3 = this.h3, h4 = this.h4, h5 = this.h5,
+ h6 = this.h6, h7 = this.h7;
+
+ var arr = [
+ (h0 >> 24) & 0xFF, (h0 >> 16) & 0xFF, (h0 >> 8) & 0xFF, h0 & 0xFF,
+ (h1 >> 24) & 0xFF, (h1 >> 16) & 0xFF, (h1 >> 8) & 0xFF, h1 & 0xFF,
+ (h2 >> 24) & 0xFF, (h2 >> 16) & 0xFF, (h2 >> 8) & 0xFF, h2 & 0xFF,
+ (h3 >> 24) & 0xFF, (h3 >> 16) & 0xFF, (h3 >> 8) & 0xFF, h3 & 0xFF,
+ (h4 >> 24) & 0xFF, (h4 >> 16) & 0xFF, (h4 >> 8) & 0xFF, h4 & 0xFF,
+ (h5 >> 24) & 0xFF, (h5 >> 16) & 0xFF, (h5 >> 8) & 0xFF, h5 & 0xFF,
+ (h6 >> 24) & 0xFF, (h6 >> 16) & 0xFF, (h6 >> 8) & 0xFF, h6 & 0xFF
+ ];
+ if (!this.is224) {
+ arr.push((h7 >> 24) & 0xFF, (h7 >> 16) & 0xFF, (h7 >> 8) & 0xFF, h7 & 0xFF);
+ }
+ return arr;
+ };
+
+ Sha256.prototype.array = Sha256.prototype.digest;
+
+ Sha256.prototype.arrayBuffer = function () {
+ this.finalize();
+
+ var buffer = new ArrayBuffer(this.is224 ? 28 : 32);
+ var dataView = new DataView(buffer);
+ dataView.setUint32(0, this.h0);
+ dataView.setUint32(4, this.h1);
+ dataView.setUint32(8, this.h2);
+ dataView.setUint32(12, this.h3);
+ dataView.setUint32(16, this.h4);
+ dataView.setUint32(20, this.h5);
+ dataView.setUint32(24, this.h6);
+ if (!this.is224) {
+ dataView.setUint32(28, this.h7);
+ }
+ return buffer;
+ };
+
+ function HmacSha256(key, is224, sharedMemory) {
+ var i, type = typeof key;
+ if (type === 'string') {
+ var bytes = [], length = key.length, index = 0, code;
+ for (i = 0; i < length; ++i) {
+ code = key.charCodeAt(i);
+ if (code < 0x80) {
+ bytes[index++] = code;
+ } else if (code < 0x800) {
+ bytes[index++] = (0xc0 | (code >> 6));
+ bytes[index++] = (0x80 | (code & 0x3f));
+ } else if (code < 0xd800 || code >= 0xe000) {
+ bytes[index++] = (0xe0 | (code >> 12));
+ bytes[index++] = (0x80 | ((code >> 6) & 0x3f));
+ bytes[index++] = (0x80 | (code & 0x3f));
+ } else {
+ code = 0x10000 + (((code & 0x3ff) << 10) | (key.charCodeAt(++i) & 0x3ff));
+ bytes[index++] = (0xf0 | (code >> 18));
+ bytes[index++] = (0x80 | ((code >> 12) & 0x3f));
+ bytes[index++] = (0x80 | ((code >> 6) & 0x3f));
+ bytes[index++] = (0x80 | (code & 0x3f));
+ }
+ }
+ key = bytes;
+ } else {
+ if (type === 'object') {
+ if (key === null) {
+ throw new Error(ERROR);
+ } else if (ARRAY_BUFFER && key.constructor === ArrayBuffer) {
+ key = new Uint8Array(key);
+ } else if (!Array.isArray(key)) {
+ if (!ARRAY_BUFFER || !ArrayBuffer.isView(key)) {
+ throw new Error(ERROR);
+ }
+ }
+ } else {
+ throw new Error(ERROR);
+ }
+ }
+
+ if (key.length > 64) {
+ key = (new Sha256(is224, true)).update(key).array();
+ }
+
+ var oKeyPad = [], iKeyPad = [];
+ for (i = 0; i < 64; ++i) {
+ var b = key[i] || 0;
+ oKeyPad[i] = 0x5c ^ b;
+ iKeyPad[i] = 0x36 ^ b;
+ }
+
+ Sha256.call(this, is224, sharedMemory);
+
+ this.update(iKeyPad);
+ this.oKeyPad = oKeyPad;
+ this.inner = true;
+ this.sharedMemory = sharedMemory;
+ }
+ HmacSha256.prototype = new Sha256();
+
+ HmacSha256.prototype.finalize = function () {
+ Sha256.prototype.finalize.call(this);
+ if (this.inner) {
+ this.inner = false;
+ var innerHash = this.array();
+ Sha256.call(this, this.is224, this.sharedMemory);
+ this.update(this.oKeyPad);
+ this.update(innerHash);
+ Sha256.prototype.finalize.call(this);
+ }
+ };
+
+ var exports = createMethod();
+ exports.sha256 = exports;
+ exports.sha224 = createMethod(true);
+ exports.sha256.hmac = createHmacMethod();
+ exports.sha224.hmac = createHmacMethod(true);
+
+ if (COMMON_JS) {
+ module.exports = exports;
+ } else {
+ root.sha256 = exports.sha256;
+ root.sha224 = exports.sha224;
+ if (AMD) {
+ define(function () {
+ return exports;
+ });
+ }
+ }
+})();
diff --git a/src/manifest.json b/src/manifest.json
index b043dd7..07d9ed7 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -77,6 +77,8 @@
"all_frames": true,
"js": [
"lib/log.js",
+ "lib/uuid.js",
+ "lib/sha256.js",
"lib/Messages.js",
"lib/CSP.js",
"common/CapsCSP.js",
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 06:25:03 +0000