857 lines
27 KiB
JavaScript
857 lines
27 KiB
JavaScript
var sparkMd5 = {
|
|
exports: {}
|
|
};
|
|
|
|
(function(module, exports) {
|
|
(function(factory) {
|
|
{
|
|
module.exports = factory();
|
|
}
|
|
})((function(undefined$1) {
|
|
var hex_chr = [ "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f" ];
|
|
function md5cycle(x, k) {
|
|
var a = x[0], b = x[1], c = x[2], d = x[3];
|
|
a += (b & c | ~b & d) + k[0] - 680876936 | 0;
|
|
a = (a << 7 | a >>> 25) + b | 0;
|
|
d += (a & b | ~a & c) + k[1] - 389564586 | 0;
|
|
d = (d << 12 | d >>> 20) + a | 0;
|
|
c += (d & a | ~d & b) + k[2] + 606105819 | 0;
|
|
c = (c << 17 | c >>> 15) + d | 0;
|
|
b += (c & d | ~c & a) + k[3] - 1044525330 | 0;
|
|
b = (b << 22 | b >>> 10) + c | 0;
|
|
a += (b & c | ~b & d) + k[4] - 176418897 | 0;
|
|
a = (a << 7 | a >>> 25) + b | 0;
|
|
d += (a & b | ~a & c) + k[5] + 1200080426 | 0;
|
|
d = (d << 12 | d >>> 20) + a | 0;
|
|
c += (d & a | ~d & b) + k[6] - 1473231341 | 0;
|
|
c = (c << 17 | c >>> 15) + d | 0;
|
|
b += (c & d | ~c & a) + k[7] - 45705983 | 0;
|
|
b = (b << 22 | b >>> 10) + c | 0;
|
|
a += (b & c | ~b & d) + k[8] + 1770035416 | 0;
|
|
a = (a << 7 | a >>> 25) + b | 0;
|
|
d += (a & b | ~a & c) + k[9] - 1958414417 | 0;
|
|
d = (d << 12 | d >>> 20) + a | 0;
|
|
c += (d & a | ~d & b) + k[10] - 42063 | 0;
|
|
c = (c << 17 | c >>> 15) + d | 0;
|
|
b += (c & d | ~c & a) + k[11] - 1990404162 | 0;
|
|
b = (b << 22 | b >>> 10) + c | 0;
|
|
a += (b & c | ~b & d) + k[12] + 1804603682 | 0;
|
|
a = (a << 7 | a >>> 25) + b | 0;
|
|
d += (a & b | ~a & c) + k[13] - 40341101 | 0;
|
|
d = (d << 12 | d >>> 20) + a | 0;
|
|
c += (d & a | ~d & b) + k[14] - 1502002290 | 0;
|
|
c = (c << 17 | c >>> 15) + d | 0;
|
|
b += (c & d | ~c & a) + k[15] + 1236535329 | 0;
|
|
b = (b << 22 | b >>> 10) + c | 0;
|
|
a += (b & d | c & ~d) + k[1] - 165796510 | 0;
|
|
a = (a << 5 | a >>> 27) + b | 0;
|
|
d += (a & c | b & ~c) + k[6] - 1069501632 | 0;
|
|
d = (d << 9 | d >>> 23) + a | 0;
|
|
c += (d & b | a & ~b) + k[11] + 643717713 | 0;
|
|
c = (c << 14 | c >>> 18) + d | 0;
|
|
b += (c & a | d & ~a) + k[0] - 373897302 | 0;
|
|
b = (b << 20 | b >>> 12) + c | 0;
|
|
a += (b & d | c & ~d) + k[5] - 701558691 | 0;
|
|
a = (a << 5 | a >>> 27) + b | 0;
|
|
d += (a & c | b & ~c) + k[10] + 38016083 | 0;
|
|
d = (d << 9 | d >>> 23) + a | 0;
|
|
c += (d & b | a & ~b) + k[15] - 660478335 | 0;
|
|
c = (c << 14 | c >>> 18) + d | 0;
|
|
b += (c & a | d & ~a) + k[4] - 405537848 | 0;
|
|
b = (b << 20 | b >>> 12) + c | 0;
|
|
a += (b & d | c & ~d) + k[9] + 568446438 | 0;
|
|
a = (a << 5 | a >>> 27) + b | 0;
|
|
d += (a & c | b & ~c) + k[14] - 1019803690 | 0;
|
|
d = (d << 9 | d >>> 23) + a | 0;
|
|
c += (d & b | a & ~b) + k[3] - 187363961 | 0;
|
|
c = (c << 14 | c >>> 18) + d | 0;
|
|
b += (c & a | d & ~a) + k[8] + 1163531501 | 0;
|
|
b = (b << 20 | b >>> 12) + c | 0;
|
|
a += (b & d | c & ~d) + k[13] - 1444681467 | 0;
|
|
a = (a << 5 | a >>> 27) + b | 0;
|
|
d += (a & c | b & ~c) + k[2] - 51403784 | 0;
|
|
d = (d << 9 | d >>> 23) + a | 0;
|
|
c += (d & b | a & ~b) + k[7] + 1735328473 | 0;
|
|
c = (c << 14 | c >>> 18) + d | 0;
|
|
b += (c & a | d & ~a) + k[12] - 1926607734 | 0;
|
|
b = (b << 20 | b >>> 12) + c | 0;
|
|
a += (b ^ c ^ d) + k[5] - 378558 | 0;
|
|
a = (a << 4 | a >>> 28) + b | 0;
|
|
d += (a ^ b ^ c) + k[8] - 2022574463 | 0;
|
|
d = (d << 11 | d >>> 21) + a | 0;
|
|
c += (d ^ a ^ b) + k[11] + 1839030562 | 0;
|
|
c = (c << 16 | c >>> 16) + d | 0;
|
|
b += (c ^ d ^ a) + k[14] - 35309556 | 0;
|
|
b = (b << 23 | b >>> 9) + c | 0;
|
|
a += (b ^ c ^ d) + k[1] - 1530992060 | 0;
|
|
a = (a << 4 | a >>> 28) + b | 0;
|
|
d += (a ^ b ^ c) + k[4] + 1272893353 | 0;
|
|
d = (d << 11 | d >>> 21) + a | 0;
|
|
c += (d ^ a ^ b) + k[7] - 155497632 | 0;
|
|
c = (c << 16 | c >>> 16) + d | 0;
|
|
b += (c ^ d ^ a) + k[10] - 1094730640 | 0;
|
|
b = (b << 23 | b >>> 9) + c | 0;
|
|
a += (b ^ c ^ d) + k[13] + 681279174 | 0;
|
|
a = (a << 4 | a >>> 28) + b | 0;
|
|
d += (a ^ b ^ c) + k[0] - 358537222 | 0;
|
|
d = (d << 11 | d >>> 21) + a | 0;
|
|
c += (d ^ a ^ b) + k[3] - 722521979 | 0;
|
|
c = (c << 16 | c >>> 16) + d | 0;
|
|
b += (c ^ d ^ a) + k[6] + 76029189 | 0;
|
|
b = (b << 23 | b >>> 9) + c | 0;
|
|
a += (b ^ c ^ d) + k[9] - 640364487 | 0;
|
|
a = (a << 4 | a >>> 28) + b | 0;
|
|
d += (a ^ b ^ c) + k[12] - 421815835 | 0;
|
|
d = (d << 11 | d >>> 21) + a | 0;
|
|
c += (d ^ a ^ b) + k[15] + 530742520 | 0;
|
|
c = (c << 16 | c >>> 16) + d | 0;
|
|
b += (c ^ d ^ a) + k[2] - 995338651 | 0;
|
|
b = (b << 23 | b >>> 9) + c | 0;
|
|
a += (c ^ (b | ~d)) + k[0] - 198630844 | 0;
|
|
a = (a << 6 | a >>> 26) + b | 0;
|
|
d += (b ^ (a | ~c)) + k[7] + 1126891415 | 0;
|
|
d = (d << 10 | d >>> 22) + a | 0;
|
|
c += (a ^ (d | ~b)) + k[14] - 1416354905 | 0;
|
|
c = (c << 15 | c >>> 17) + d | 0;
|
|
b += (d ^ (c | ~a)) + k[5] - 57434055 | 0;
|
|
b = (b << 21 | b >>> 11) + c | 0;
|
|
a += (c ^ (b | ~d)) + k[12] + 1700485571 | 0;
|
|
a = (a << 6 | a >>> 26) + b | 0;
|
|
d += (b ^ (a | ~c)) + k[3] - 1894986606 | 0;
|
|
d = (d << 10 | d >>> 22) + a | 0;
|
|
c += (a ^ (d | ~b)) + k[10] - 1051523 | 0;
|
|
c = (c << 15 | c >>> 17) + d | 0;
|
|
b += (d ^ (c | ~a)) + k[1] - 2054922799 | 0;
|
|
b = (b << 21 | b >>> 11) + c | 0;
|
|
a += (c ^ (b | ~d)) + k[8] + 1873313359 | 0;
|
|
a = (a << 6 | a >>> 26) + b | 0;
|
|
d += (b ^ (a | ~c)) + k[15] - 30611744 | 0;
|
|
d = (d << 10 | d >>> 22) + a | 0;
|
|
c += (a ^ (d | ~b)) + k[6] - 1560198380 | 0;
|
|
c = (c << 15 | c >>> 17) + d | 0;
|
|
b += (d ^ (c | ~a)) + k[13] + 1309151649 | 0;
|
|
b = (b << 21 | b >>> 11) + c | 0;
|
|
a += (c ^ (b | ~d)) + k[4] - 145523070 | 0;
|
|
a = (a << 6 | a >>> 26) + b | 0;
|
|
d += (b ^ (a | ~c)) + k[11] - 1120210379 | 0;
|
|
d = (d << 10 | d >>> 22) + a | 0;
|
|
c += (a ^ (d | ~b)) + k[2] + 718787259 | 0;
|
|
c = (c << 15 | c >>> 17) + d | 0;
|
|
b += (d ^ (c | ~a)) + k[9] - 343485551 | 0;
|
|
b = (b << 21 | b >>> 11) + c | 0;
|
|
x[0] = a + x[0] | 0;
|
|
x[1] = b + x[1] | 0;
|
|
x[2] = c + x[2] | 0;
|
|
x[3] = d + x[3] | 0;
|
|
}
|
|
function md5blk(s) {
|
|
var md5blks = [], i;
|
|
for (i = 0; i < 64; i += 4) {
|
|
md5blks[i >> 2] = s.charCodeAt(i) + (s.charCodeAt(i + 1) << 8) + (s.charCodeAt(i + 2) << 16) + (s.charCodeAt(i + 3) << 24);
|
|
}
|
|
return md5blks;
|
|
}
|
|
function md5blk_array(a) {
|
|
var md5blks = [], i;
|
|
for (i = 0; i < 64; i += 4) {
|
|
md5blks[i >> 2] = a[i] + (a[i + 1] << 8) + (a[i + 2] << 16) + (a[i + 3] << 24);
|
|
}
|
|
return md5blks;
|
|
}
|
|
function md51(s) {
|
|
var n = s.length, state = [ 1732584193, -271733879, -1732584194, 271733878 ], i, length, tail, tmp, lo, hi;
|
|
for (i = 64; i <= n; i += 64) {
|
|
md5cycle(state, md5blk(s.substring(i - 64, i)));
|
|
}
|
|
s = s.substring(i - 64);
|
|
length = s.length;
|
|
tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ];
|
|
for (i = 0; i < length; i += 1) {
|
|
tail[i >> 2] |= s.charCodeAt(i) << (i % 4 << 3);
|
|
}
|
|
tail[i >> 2] |= 128 << (i % 4 << 3);
|
|
if (i > 55) {
|
|
md5cycle(state, tail);
|
|
for (i = 0; i < 16; i += 1) {
|
|
tail[i] = 0;
|
|
}
|
|
}
|
|
tmp = n * 8;
|
|
tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
|
|
lo = parseInt(tmp[2], 16);
|
|
hi = parseInt(tmp[1], 16) || 0;
|
|
tail[14] = lo;
|
|
tail[15] = hi;
|
|
md5cycle(state, tail);
|
|
return state;
|
|
}
|
|
function md51_array(a) {
|
|
var n = a.length, state = [ 1732584193, -271733879, -1732584194, 271733878 ], i, length, tail, tmp, lo, hi;
|
|
for (i = 64; i <= n; i += 64) {
|
|
md5cycle(state, md5blk_array(a.subarray(i - 64, i)));
|
|
}
|
|
a = i - 64 < n ? a.subarray(i - 64) : new Uint8Array(0);
|
|
length = a.length;
|
|
tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ];
|
|
for (i = 0; i < length; i += 1) {
|
|
tail[i >> 2] |= a[i] << (i % 4 << 3);
|
|
}
|
|
tail[i >> 2] |= 128 << (i % 4 << 3);
|
|
if (i > 55) {
|
|
md5cycle(state, tail);
|
|
for (i = 0; i < 16; i += 1) {
|
|
tail[i] = 0;
|
|
}
|
|
}
|
|
tmp = n * 8;
|
|
tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
|
|
lo = parseInt(tmp[2], 16);
|
|
hi = parseInt(tmp[1], 16) || 0;
|
|
tail[14] = lo;
|
|
tail[15] = hi;
|
|
md5cycle(state, tail);
|
|
return state;
|
|
}
|
|
function rhex(n) {
|
|
var s = "", j;
|
|
for (j = 0; j < 4; j += 1) {
|
|
s += hex_chr[n >> j * 8 + 4 & 15] + hex_chr[n >> j * 8 & 15];
|
|
}
|
|
return s;
|
|
}
|
|
function hex(x) {
|
|
var i;
|
|
for (i = 0; i < x.length; i += 1) {
|
|
x[i] = rhex(x[i]);
|
|
}
|
|
return x.join("");
|
|
}
|
|
if (hex(md51("hello")) !== "5d41402abc4b2a76b9719d911017c592") ;
|
|
if (typeof ArrayBuffer !== "undefined" && !ArrayBuffer.prototype.slice) {
|
|
(function() {
|
|
function clamp(val, length) {
|
|
val = val | 0 || 0;
|
|
if (val < 0) {
|
|
return Math.max(val + length, 0);
|
|
}
|
|
return Math.min(val, length);
|
|
}
|
|
ArrayBuffer.prototype.slice = function(from, to) {
|
|
var length = this.byteLength, begin = clamp(from, length), end = length, num, target, targetArray, sourceArray;
|
|
if (to !== undefined$1) {
|
|
end = clamp(to, length);
|
|
}
|
|
if (begin > end) {
|
|
return new ArrayBuffer(0);
|
|
}
|
|
num = end - begin;
|
|
target = new ArrayBuffer(num);
|
|
targetArray = new Uint8Array(target);
|
|
sourceArray = new Uint8Array(this, begin, num);
|
|
targetArray.set(sourceArray);
|
|
return target;
|
|
};
|
|
})();
|
|
}
|
|
function toUtf8(str) {
|
|
if (/[\u0080-\uFFFF]/.test(str)) {
|
|
str = unescape(encodeURIComponent(str));
|
|
}
|
|
return str;
|
|
}
|
|
function utf8Str2ArrayBuffer(str, returnUInt8Array) {
|
|
var length = str.length, buff = new ArrayBuffer(length), arr = new Uint8Array(buff), i;
|
|
for (i = 0; i < length; i += 1) {
|
|
arr[i] = str.charCodeAt(i);
|
|
}
|
|
return returnUInt8Array ? arr : buff;
|
|
}
|
|
function arrayBuffer2Utf8Str(buff) {
|
|
return String.fromCharCode.apply(null, new Uint8Array(buff));
|
|
}
|
|
function concatenateArrayBuffers(first, second, returnUInt8Array) {
|
|
var result = new Uint8Array(first.byteLength + second.byteLength);
|
|
result.set(new Uint8Array(first));
|
|
result.set(new Uint8Array(second), first.byteLength);
|
|
return returnUInt8Array ? result : result.buffer;
|
|
}
|
|
function hexToBinaryString(hex) {
|
|
var bytes = [], length = hex.length, x;
|
|
for (x = 0; x < length - 1; x += 2) {
|
|
bytes.push(parseInt(hex.substr(x, 2), 16));
|
|
}
|
|
return String.fromCharCode.apply(String, bytes);
|
|
}
|
|
function SparkMD5() {
|
|
this.reset();
|
|
}
|
|
SparkMD5.prototype.append = function(str) {
|
|
this.appendBinary(toUtf8(str));
|
|
return this;
|
|
};
|
|
SparkMD5.prototype.appendBinary = function(contents) {
|
|
this._buff += contents;
|
|
this._length += contents.length;
|
|
var length = this._buff.length, i;
|
|
for (i = 64; i <= length; i += 64) {
|
|
md5cycle(this._hash, md5blk(this._buff.substring(i - 64, i)));
|
|
}
|
|
this._buff = this._buff.substring(i - 64);
|
|
return this;
|
|
};
|
|
SparkMD5.prototype.end = function(raw) {
|
|
var buff = this._buff, length = buff.length, i, tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ], ret;
|
|
for (i = 0; i < length; i += 1) {
|
|
tail[i >> 2] |= buff.charCodeAt(i) << (i % 4 << 3);
|
|
}
|
|
this._finish(tail, length);
|
|
ret = hex(this._hash);
|
|
if (raw) {
|
|
ret = hexToBinaryString(ret);
|
|
}
|
|
this.reset();
|
|
return ret;
|
|
};
|
|
SparkMD5.prototype.reset = function() {
|
|
this._buff = "";
|
|
this._length = 0;
|
|
this._hash = [ 1732584193, -271733879, -1732584194, 271733878 ];
|
|
return this;
|
|
};
|
|
SparkMD5.prototype.getState = function() {
|
|
return {
|
|
buff: this._buff,
|
|
length: this._length,
|
|
hash: this._hash.slice()
|
|
};
|
|
};
|
|
SparkMD5.prototype.setState = function(state) {
|
|
this._buff = state.buff;
|
|
this._length = state.length;
|
|
this._hash = state.hash;
|
|
return this;
|
|
};
|
|
SparkMD5.prototype.destroy = function() {
|
|
delete this._hash;
|
|
delete this._buff;
|
|
delete this._length;
|
|
};
|
|
SparkMD5.prototype._finish = function(tail, length) {
|
|
var i = length, tmp, lo, hi;
|
|
tail[i >> 2] |= 128 << (i % 4 << 3);
|
|
if (i > 55) {
|
|
md5cycle(this._hash, tail);
|
|
for (i = 0; i < 16; i += 1) {
|
|
tail[i] = 0;
|
|
}
|
|
}
|
|
tmp = this._length * 8;
|
|
tmp = tmp.toString(16).match(/(.*?)(.{0,8})$/);
|
|
lo = parseInt(tmp[2], 16);
|
|
hi = parseInt(tmp[1], 16) || 0;
|
|
tail[14] = lo;
|
|
tail[15] = hi;
|
|
md5cycle(this._hash, tail);
|
|
};
|
|
SparkMD5.hash = function(str, raw) {
|
|
return SparkMD5.hashBinary(toUtf8(str), raw);
|
|
};
|
|
SparkMD5.hashBinary = function(content, raw) {
|
|
var hash = md51(content), ret = hex(hash);
|
|
return raw ? hexToBinaryString(ret) : ret;
|
|
};
|
|
SparkMD5.ArrayBuffer = function() {
|
|
this.reset();
|
|
};
|
|
SparkMD5.ArrayBuffer.prototype.append = function(arr) {
|
|
var buff = concatenateArrayBuffers(this._buff.buffer, arr, true), length = buff.length, i;
|
|
this._length += arr.byteLength;
|
|
for (i = 64; i <= length; i += 64) {
|
|
md5cycle(this._hash, md5blk_array(buff.subarray(i - 64, i)));
|
|
}
|
|
this._buff = i - 64 < length ? new Uint8Array(buff.buffer.slice(i - 64)) : new Uint8Array(0);
|
|
return this;
|
|
};
|
|
SparkMD5.ArrayBuffer.prototype.end = function(raw) {
|
|
var buff = this._buff, length = buff.length, tail = [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ], i, ret;
|
|
for (i = 0; i < length; i += 1) {
|
|
tail[i >> 2] |= buff[i] << (i % 4 << 3);
|
|
}
|
|
this._finish(tail, length);
|
|
ret = hex(this._hash);
|
|
if (raw) {
|
|
ret = hexToBinaryString(ret);
|
|
}
|
|
this.reset();
|
|
return ret;
|
|
};
|
|
SparkMD5.ArrayBuffer.prototype.reset = function() {
|
|
this._buff = new Uint8Array(0);
|
|
this._length = 0;
|
|
this._hash = [ 1732584193, -271733879, -1732584194, 271733878 ];
|
|
return this;
|
|
};
|
|
SparkMD5.ArrayBuffer.prototype.getState = function() {
|
|
var state = SparkMD5.prototype.getState.call(this);
|
|
state.buff = arrayBuffer2Utf8Str(state.buff);
|
|
return state;
|
|
};
|
|
SparkMD5.ArrayBuffer.prototype.setState = function(state) {
|
|
state.buff = utf8Str2ArrayBuffer(state.buff, true);
|
|
return SparkMD5.prototype.setState.call(this, state);
|
|
};
|
|
SparkMD5.ArrayBuffer.prototype.destroy = SparkMD5.prototype.destroy;
|
|
SparkMD5.ArrayBuffer.prototype._finish = SparkMD5.prototype._finish;
|
|
SparkMD5.ArrayBuffer.hash = function(arr, raw) {
|
|
var hash = md51_array(new Uint8Array(arr)), ret = hex(hash);
|
|
return raw ? hexToBinaryString(ret) : ret;
|
|
};
|
|
return SparkMD5;
|
|
}));
|
|
})(sparkMd5);
|
|
|
|
var SparkMD5 = sparkMd5.exports;
|
|
|
|
const fileSlice = File.prototype.slice || File.prototype.mozSlice || File.prototype.webkitSlice;
|
|
|
|
class FileChecksum {
|
|
static create(file, callback) {
|
|
const instance = new FileChecksum(file);
|
|
instance.create(callback);
|
|
}
|
|
constructor(file) {
|
|
this.file = file;
|
|
this.chunkSize = 2097152;
|
|
this.chunkCount = Math.ceil(this.file.size / this.chunkSize);
|
|
this.chunkIndex = 0;
|
|
}
|
|
create(callback) {
|
|
this.callback = callback;
|
|
this.md5Buffer = new SparkMD5.ArrayBuffer;
|
|
this.fileReader = new FileReader;
|
|
this.fileReader.addEventListener("load", (event => this.fileReaderDidLoad(event)));
|
|
this.fileReader.addEventListener("error", (event => this.fileReaderDidError(event)));
|
|
this.readNextChunk();
|
|
}
|
|
fileReaderDidLoad(event) {
|
|
this.md5Buffer.append(event.target.result);
|
|
if (!this.readNextChunk()) {
|
|
const binaryDigest = this.md5Buffer.end(true);
|
|
const base64digest = btoa(binaryDigest);
|
|
this.callback(null, base64digest);
|
|
}
|
|
}
|
|
fileReaderDidError(event) {
|
|
this.callback(`Error reading ${this.file.name}`);
|
|
}
|
|
readNextChunk() {
|
|
if (this.chunkIndex < this.chunkCount || this.chunkIndex == 0 && this.chunkCount == 0) {
|
|
const start = this.chunkIndex * this.chunkSize;
|
|
const end = Math.min(start + this.chunkSize, this.file.size);
|
|
const bytes = fileSlice.call(this.file, start, end);
|
|
this.fileReader.readAsArrayBuffer(bytes);
|
|
this.chunkIndex++;
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
function getMetaValue(name) {
|
|
const element = findElement(document.head, `meta[name="${name}"]`);
|
|
if (element) {
|
|
return element.getAttribute("content");
|
|
}
|
|
}
|
|
|
|
function findElements(root, selector) {
|
|
if (typeof root == "string") {
|
|
selector = root;
|
|
root = document;
|
|
}
|
|
const elements = root.querySelectorAll(selector);
|
|
return toArray(elements);
|
|
}
|
|
|
|
function findElement(root, selector) {
|
|
if (typeof root == "string") {
|
|
selector = root;
|
|
root = document;
|
|
}
|
|
return root.querySelector(selector);
|
|
}
|
|
|
|
function dispatchEvent(element, type, eventInit = {}) {
|
|
const {disabled: disabled} = element;
|
|
const {bubbles: bubbles, cancelable: cancelable, detail: detail} = eventInit;
|
|
const event = document.createEvent("Event");
|
|
event.initEvent(type, bubbles || true, cancelable || true);
|
|
event.detail = detail || {};
|
|
try {
|
|
element.disabled = false;
|
|
element.dispatchEvent(event);
|
|
} finally {
|
|
element.disabled = disabled;
|
|
}
|
|
return event;
|
|
}
|
|
|
|
function toArray(value) {
|
|
if (Array.isArray(value)) {
|
|
return value;
|
|
} else if (Array.from) {
|
|
return Array.from(value);
|
|
} else {
|
|
return [].slice.call(value);
|
|
}
|
|
}
|
|
|
|
class BlobRecord {
|
|
constructor(file, checksum, url, directUploadToken, attachmentName) {
|
|
this.file = file;
|
|
this.attributes = {
|
|
filename: file.name,
|
|
content_type: file.type || "application/octet-stream",
|
|
byte_size: file.size,
|
|
checksum: checksum
|
|
};
|
|
this.directUploadToken = directUploadToken;
|
|
this.attachmentName = attachmentName;
|
|
this.xhr = new XMLHttpRequest;
|
|
this.xhr.open("POST", url, true);
|
|
this.xhr.responseType = "json";
|
|
this.xhr.setRequestHeader("Content-Type", "application/json");
|
|
this.xhr.setRequestHeader("Accept", "application/json");
|
|
this.xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
|
|
const csrfToken = getMetaValue("csrf-token");
|
|
if (csrfToken != undefined) {
|
|
this.xhr.setRequestHeader("X-CSRF-Token", csrfToken);
|
|
}
|
|
this.xhr.addEventListener("load", (event => this.requestDidLoad(event)));
|
|
this.xhr.addEventListener("error", (event => this.requestDidError(event)));
|
|
}
|
|
get status() {
|
|
return this.xhr.status;
|
|
}
|
|
get response() {
|
|
const {responseType: responseType, response: response} = this.xhr;
|
|
if (responseType == "json") {
|
|
return response;
|
|
} else {
|
|
return JSON.parse(response);
|
|
}
|
|
}
|
|
create(callback) {
|
|
this.callback = callback;
|
|
this.xhr.send(JSON.stringify({
|
|
blob: this.attributes,
|
|
direct_upload_token: this.directUploadToken,
|
|
attachment_name: this.attachmentName
|
|
}));
|
|
}
|
|
requestDidLoad(event) {
|
|
if (this.status >= 200 && this.status < 300) {
|
|
const {response: response} = this;
|
|
const {direct_upload: direct_upload} = response;
|
|
delete response.direct_upload;
|
|
this.attributes = response;
|
|
this.directUploadData = direct_upload;
|
|
this.callback(null, this.toJSON());
|
|
} else {
|
|
this.requestDidError(event);
|
|
}
|
|
}
|
|
requestDidError(event) {
|
|
this.callback(`Error creating Blob for "${this.file.name}". Status: ${this.status}`);
|
|
}
|
|
toJSON() {
|
|
const result = {};
|
|
for (const key in this.attributes) {
|
|
result[key] = this.attributes[key];
|
|
}
|
|
return result;
|
|
}
|
|
}
|
|
|
|
class BlobUpload {
|
|
constructor(blob) {
|
|
this.blob = blob;
|
|
this.file = blob.file;
|
|
const {url: url, headers: headers} = blob.directUploadData;
|
|
this.xhr = new XMLHttpRequest;
|
|
this.xhr.open("PUT", url, true);
|
|
this.xhr.responseType = "text";
|
|
for (const key in headers) {
|
|
this.xhr.setRequestHeader(key, headers[key]);
|
|
}
|
|
this.xhr.addEventListener("load", (event => this.requestDidLoad(event)));
|
|
this.xhr.addEventListener("error", (event => this.requestDidError(event)));
|
|
}
|
|
create(callback) {
|
|
this.callback = callback;
|
|
this.xhr.send(this.file.slice());
|
|
}
|
|
requestDidLoad(event) {
|
|
const {status: status, response: response} = this.xhr;
|
|
if (status >= 200 && status < 300) {
|
|
this.callback(null, response);
|
|
} else {
|
|
this.requestDidError(event);
|
|
}
|
|
}
|
|
requestDidError(event) {
|
|
this.callback(`Error storing "${this.file.name}". Status: ${this.xhr.status}`);
|
|
}
|
|
}
|
|
|
|
let id = 0;
|
|
|
|
class DirectUpload {
|
|
constructor(file, url, serviceName, attachmentName, delegate) {
|
|
this.id = ++id;
|
|
this.file = file;
|
|
this.url = url;
|
|
this.serviceName = serviceName;
|
|
this.attachmentName = attachmentName;
|
|
this.delegate = delegate;
|
|
}
|
|
create(callback) {
|
|
FileChecksum.create(this.file, ((error, checksum) => {
|
|
if (error) {
|
|
callback(error);
|
|
return;
|
|
}
|
|
const blob = new BlobRecord(this.file, checksum, this.url, this.serviceName, this.attachmentName);
|
|
notify(this.delegate, "directUploadWillCreateBlobWithXHR", blob.xhr);
|
|
blob.create((error => {
|
|
if (error) {
|
|
callback(error);
|
|
} else {
|
|
const upload = new BlobUpload(blob);
|
|
notify(this.delegate, "directUploadWillStoreFileWithXHR", upload.xhr);
|
|
upload.create((error => {
|
|
if (error) {
|
|
callback(error);
|
|
} else {
|
|
callback(null, blob.toJSON());
|
|
}
|
|
}));
|
|
}
|
|
}));
|
|
}));
|
|
}
|
|
}
|
|
|
|
function notify(object, methodName, ...messages) {
|
|
if (object && typeof object[methodName] == "function") {
|
|
return object[methodName](...messages);
|
|
}
|
|
}
|
|
|
|
class DirectUploadController {
|
|
constructor(input, file) {
|
|
this.input = input;
|
|
this.file = file;
|
|
this.directUpload = new DirectUpload(this.file, this.url, this.directUploadToken, this.attachmentName, this);
|
|
this.dispatch("initialize");
|
|
}
|
|
start(callback) {
|
|
const hiddenInput = document.createElement("input");
|
|
hiddenInput.type = "hidden";
|
|
hiddenInput.name = this.input.name;
|
|
this.input.insertAdjacentElement("beforebegin", hiddenInput);
|
|
this.dispatch("start");
|
|
this.directUpload.create(((error, attributes) => {
|
|
if (error) {
|
|
hiddenInput.parentNode.removeChild(hiddenInput);
|
|
this.dispatchError(error);
|
|
} else {
|
|
hiddenInput.value = attributes.signed_id;
|
|
}
|
|
this.dispatch("end");
|
|
callback(error);
|
|
}));
|
|
}
|
|
uploadRequestDidProgress(event) {
|
|
const progress = event.loaded / event.total * 100;
|
|
if (progress) {
|
|
this.dispatch("progress", {
|
|
progress: progress
|
|
});
|
|
}
|
|
}
|
|
get url() {
|
|
return this.input.getAttribute("data-direct-upload-url");
|
|
}
|
|
get directUploadToken() {
|
|
return this.input.getAttribute("data-direct-upload-token");
|
|
}
|
|
get attachmentName() {
|
|
return this.input.getAttribute("data-direct-upload-attachment-name");
|
|
}
|
|
dispatch(name, detail = {}) {
|
|
detail.file = this.file;
|
|
detail.id = this.directUpload.id;
|
|
return dispatchEvent(this.input, `direct-upload:${name}`, {
|
|
detail: detail
|
|
});
|
|
}
|
|
dispatchError(error) {
|
|
const event = this.dispatch("error", {
|
|
error: error
|
|
});
|
|
if (!event.defaultPrevented) {
|
|
alert(error);
|
|
}
|
|
}
|
|
directUploadWillCreateBlobWithXHR(xhr) {
|
|
this.dispatch("before-blob-request", {
|
|
xhr: xhr
|
|
});
|
|
}
|
|
directUploadWillStoreFileWithXHR(xhr) {
|
|
this.dispatch("before-storage-request", {
|
|
xhr: xhr
|
|
});
|
|
xhr.upload.addEventListener("progress", (event => this.uploadRequestDidProgress(event)));
|
|
}
|
|
}
|
|
|
|
const inputSelector = "input[type=file][data-direct-upload-url]:not([disabled])";
|
|
|
|
class DirectUploadsController {
|
|
constructor(form) {
|
|
this.form = form;
|
|
this.inputs = findElements(form, inputSelector).filter((input => input.files.length));
|
|
}
|
|
start(callback) {
|
|
const controllers = this.createDirectUploadControllers();
|
|
const startNextController = () => {
|
|
const controller = controllers.shift();
|
|
if (controller) {
|
|
controller.start((error => {
|
|
if (error) {
|
|
callback(error);
|
|
this.dispatch("end");
|
|
} else {
|
|
startNextController();
|
|
}
|
|
}));
|
|
} else {
|
|
callback();
|
|
this.dispatch("end");
|
|
}
|
|
};
|
|
this.dispatch("start");
|
|
startNextController();
|
|
}
|
|
createDirectUploadControllers() {
|
|
const controllers = [];
|
|
this.inputs.forEach((input => {
|
|
toArray(input.files).forEach((file => {
|
|
const controller = new DirectUploadController(input, file);
|
|
controllers.push(controller);
|
|
}));
|
|
}));
|
|
return controllers;
|
|
}
|
|
dispatch(name, detail = {}) {
|
|
return dispatchEvent(this.form, `direct-uploads:${name}`, {
|
|
detail: detail
|
|
});
|
|
}
|
|
}
|
|
|
|
const processingAttribute = "data-direct-uploads-processing";
|
|
|
|
const submitButtonsByForm = new WeakMap;
|
|
|
|
let started = false;
|
|
|
|
function start() {
|
|
if (!started) {
|
|
started = true;
|
|
document.addEventListener("click", didClick, true);
|
|
document.addEventListener("submit", didSubmitForm, true);
|
|
document.addEventListener("ajax:before", didSubmitRemoteElement);
|
|
}
|
|
}
|
|
|
|
function didClick(event) {
|
|
const {target: target} = event;
|
|
if ((target.tagName == "INPUT" || target.tagName == "BUTTON") && target.type == "submit" && target.form) {
|
|
submitButtonsByForm.set(target.form, target);
|
|
}
|
|
}
|
|
|
|
function didSubmitForm(event) {
|
|
handleFormSubmissionEvent(event);
|
|
}
|
|
|
|
function didSubmitRemoteElement(event) {
|
|
if (event.target.tagName == "FORM") {
|
|
handleFormSubmissionEvent(event);
|
|
}
|
|
}
|
|
|
|
function handleFormSubmissionEvent(event) {
|
|
const form = event.target;
|
|
if (form.hasAttribute(processingAttribute)) {
|
|
event.preventDefault();
|
|
return;
|
|
}
|
|
const controller = new DirectUploadsController(form);
|
|
const {inputs: inputs} = controller;
|
|
if (inputs.length) {
|
|
event.preventDefault();
|
|
form.setAttribute(processingAttribute, "");
|
|
inputs.forEach(disable);
|
|
controller.start((error => {
|
|
form.removeAttribute(processingAttribute);
|
|
if (error) {
|
|
inputs.forEach(enable);
|
|
} else {
|
|
submitForm(form);
|
|
}
|
|
}));
|
|
}
|
|
}
|
|
|
|
function submitForm(form) {
|
|
let button = submitButtonsByForm.get(form) || findElement(form, "input[type=submit], button[type=submit]");
|
|
if (button) {
|
|
const {disabled: disabled} = button;
|
|
button.disabled = false;
|
|
button.focus();
|
|
button.click();
|
|
button.disabled = disabled;
|
|
} else {
|
|
button = document.createElement("input");
|
|
button.type = "submit";
|
|
button.style.display = "none";
|
|
form.appendChild(button);
|
|
button.click();
|
|
form.removeChild(button);
|
|
}
|
|
submitButtonsByForm.delete(form);
|
|
}
|
|
|
|
function disable(input) {
|
|
input.disabled = true;
|
|
}
|
|
|
|
function enable(input) {
|
|
input.disabled = false;
|
|
}
|
|
|
|
function autostart() {
|
|
if (window.ActiveStorage) {
|
|
start();
|
|
}
|
|
}
|
|
|
|
setTimeout(autostart, 1);
|
|
|
|
export { DirectUpload, start };
|