pdfkit
Version:
A PDF generation library for Node.js
1,391 lines (1,171 loc) • 174 kB
JavaScript
import stream from 'stream';
import fs from 'fs';
import zlib from 'zlib';
import CryptoJS from 'crypto-js';
import fontkit from 'fontkit';
import { EventEmitter } from 'events';
import LineBreaker from 'linebreak';
import PNG from 'png-js';
function _classCallCheck(instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
}
function _defineProperties(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) descriptor.writable = true;
Object.defineProperty(target, descriptor.key, descriptor);
}
}
function _createClass(Constructor, protoProps, staticProps) {
if (protoProps) _defineProperties(Constructor.prototype, protoProps);
if (staticProps) _defineProperties(Constructor, staticProps);
return Constructor;
}
function _inherits(subClass, superClass) {
if (typeof superClass !== "function" && superClass !== null) {
throw new TypeError("Super expression must either be null or a function");
}
subClass.prototype = Object.create(superClass && superClass.prototype, {
constructor: {
value: subClass,
writable: true,
configurable: true
}
});
if (superClass) _setPrototypeOf(subClass, superClass);
}
function _getPrototypeOf(o) {
_getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
return o.__proto__ || Object.getPrototypeOf(o);
};
return _getPrototypeOf(o);
}
function _setPrototypeOf(o, p) {
_setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
o.__proto__ = p;
return o;
};
return _setPrototypeOf(o, p);
}
function _assertThisInitialized(self) {
if (self === void 0) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}
return self;
}
function _possibleConstructorReturn(self, call) {
if (call && (typeof call === "object" || typeof call === "function")) {
return call;
}
return _assertThisInitialized(self);
}
function _slicedToArray(arr, i) {
return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest();
}
function _toConsumableArray(arr) {
return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
}
function _arrayWithoutHoles(arr) {
if (Array.isArray(arr)) {
for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
return arr2;
}
}
function _arrayWithHoles(arr) {
if (Array.isArray(arr)) return arr;
}
function _iterableToArray(iter) {
if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
}
function _iterableToArrayLimit(arr, i) {
var _arr = [];
var _n = true;
var _d = false;
var _e = undefined;
try {
for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
_arr.push(_s.value);
if (i && _arr.length === i) break;
}
} catch (err) {
_d = true;
_e = err;
} finally {
try {
if (!_n && _i["return"] != null) _i["return"]();
} finally {
if (_d) throw _e;
}
}
return _arr;
}
function _nonIterableSpread() {
throw new TypeError("Invalid attempt to spread non-iterable instance");
}
function _nonIterableRest() {
throw new TypeError("Invalid attempt to destructure non-iterable instance");
}
/*
PDFAbstractReference - abstract class for PDF reference
*/
var PDFAbstractReference =
/*#__PURE__*/
function () {
function PDFAbstractReference() {
_classCallCheck(this, PDFAbstractReference);
}
_createClass(PDFAbstractReference, [{
key: "toString",
value: function toString() {
throw new Error('Must be implemented by subclasses');
}
}]);
return PDFAbstractReference;
}();
var PDFNameTree =
/*#__PURE__*/
function () {
function PDFNameTree() {
_classCallCheck(this, PDFNameTree);
this._items = {};
}
_createClass(PDFNameTree, [{
key: "add",
value: function add(key, val) {
return this._items[key] = val;
}
}, {
key: "get",
value: function get(key) {
return this._items[key];
}
}, {
key: "toString",
value: function toString() {
// Needs to be sorted by key
var sortedKeys = Object.keys(this._items).sort(function (a, b) {
return a.localeCompare(b);
});
var out = ['<<'];
if (sortedKeys.length > 1) {
var first = sortedKeys[0],
last = sortedKeys[sortedKeys.length - 1];
out.push(" /Limits ".concat(PDFObject.convert([new String(first), new String(last)])));
}
out.push(' /Names [');
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
try {
for (var _iterator = sortedKeys[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var key = _step.value;
out.push(" ".concat(PDFObject.convert(new String(key)), " ").concat(PDFObject.convert(this._items[key])));
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
if (!_iteratorNormalCompletion && _iterator.return != null) {
_iterator.return();
}
} finally {
if (_didIteratorError) {
throw _iteratorError;
}
}
}
out.push(']');
out.push('>>');
return out.join('\n');
}
}]);
return PDFNameTree;
}();
var pad = function pad(str, length) {
return (Array(length + 1).join('0') + str).slice(-length);
};
var escapableRe = /[\n\r\t\b\f\(\)\\]/g;
var escapable = {
'\n': '\\n',
'\r': '\\r',
'\t': '\\t',
'\b': '\\b',
'\f': '\\f',
'\\': '\\\\',
'(': '\\(',
')': '\\)'
}; // Convert little endian UTF-16 to big endian
var swapBytes = function swapBytes(buff) {
var l = buff.length;
if (l & 0x01) {
throw new Error('Buffer length must be even');
} else {
for (var i = 0, end = l - 1; i < end; i += 2) {
var a = buff[i];
buff[i] = buff[i + 1];
buff[i + 1] = a;
}
}
return buff;
};
var PDFObject =
/*#__PURE__*/
function () {
function PDFObject() {
_classCallCheck(this, PDFObject);
}
_createClass(PDFObject, null, [{
key: "convert",
value: function convert(object) {
var encryptFn = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
// String literals are converted to the PDF name type
if (typeof object === 'string') {
return "/".concat(object); // String objects are converted to PDF strings (UTF-16)
} else if (object instanceof String) {
var string = object; // Detect if this is a unicode string
var isUnicode = false;
for (var i = 0, end = string.length; i < end; i++) {
if (string.charCodeAt(i) > 0x7f) {
isUnicode = true;
break;
}
} // If so, encode it as big endian UTF-16
var stringBuffer;
if (isUnicode) {
stringBuffer = swapBytes(Buffer.from("\uFEFF".concat(string), 'utf16le'));
} else {
stringBuffer = Buffer.from(string.valueOf(), 'ascii');
} // Encrypt the string when necessary
if (encryptFn) {
string = encryptFn(stringBuffer).toString('binary');
} else {
string = stringBuffer.toString('binary');
} // Escape characters as required by the spec
string = string.replace(escapableRe, function (c) {
return escapable[c];
});
return "(".concat(string, ")"); // Buffers are converted to PDF hex strings
} else if (Buffer.isBuffer(object)) {
return "<".concat(object.toString('hex'), ">");
} else if (object instanceof PDFAbstractReference || object instanceof PDFNameTree) {
return object.toString();
} else if (object instanceof Date) {
var _string = "D:".concat(pad(object.getUTCFullYear(), 4)) + pad(object.getUTCMonth() + 1, 2) + pad(object.getUTCDate(), 2) + pad(object.getUTCHours(), 2) + pad(object.getUTCMinutes(), 2) + pad(object.getUTCSeconds(), 2) + 'Z'; // Encrypt the string when necessary
if (encryptFn) {
_string = encryptFn(new Buffer(_string, 'ascii')).toString('binary'); // Escape characters as required by the spec
_string = _string.replace(escapableRe, function (c) {
return escapable[c];
});
}
return "(".concat(_string, ")");
} else if (Array.isArray(object)) {
var items = object.map(function (e) {
return PDFObject.convert(e, encryptFn);
}).join(' ');
return "[".concat(items, "]");
} else if ({}.toString.call(object) === '[object Object]') {
var out = ['<<'];
for (var key in object) {
var val = object[key];
out.push("/".concat(key, " ").concat(PDFObject.convert(val, encryptFn)));
}
out.push('>>');
return out.join('\n');
} else if (typeof object === 'number') {
return PDFObject.number(object);
} else {
return "".concat(object);
}
}
}, {
key: "number",
value: function number(n) {
if (n > -1e21 && n < 1e21) {
return Math.round(n * 1e6) / 1e6;
}
throw new Error("unsupported number: ".concat(n));
}
}]);
return PDFObject;
}();
var PDFReference =
/*#__PURE__*/
function (_PDFAbstractReference) {
_inherits(PDFReference, _PDFAbstractReference);
function PDFReference(document, id) {
var _this;
var data = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
_classCallCheck(this, PDFReference);
_this = _possibleConstructorReturn(this, _getPrototypeOf(PDFReference).call(this));
_this.document = document;
_this.id = id;
_this.data = data;
_this.gen = 0;
_this.compress = _this.document.compress && !_this.data.Filter;
_this.uncompressedLength = 0;
_this.buffer = [];
return _this;
}
_createClass(PDFReference, [{
key: "write",
value: function write(chunk) {
if (!Buffer.isBuffer(chunk)) {
chunk = new Buffer(chunk + '\n', 'binary');
}
this.uncompressedLength += chunk.length;
if (this.data.Length == null) {
this.data.Length = 0;
}
this.buffer.push(chunk);
this.data.Length += chunk.length;
if (this.compress) {
return this.data.Filter = 'FlateDecode';
}
}
}, {
key: "end",
value: function end(chunk) {
if (chunk) {
this.write(chunk);
}
return this.finalize();
}
}, {
key: "finalize",
value: function finalize() {
this.offset = this.document._offset;
var encryptFn = this.document._security ? this.document._security.getEncryptFn(this.id, this.gen) : null;
if (this.buffer.length) {
this.buffer = Buffer.concat(this.buffer);
if (this.compress) {
this.buffer = zlib.deflateSync(this.buffer);
}
if (encryptFn) {
this.buffer = encryptFn(this.buffer);
}
this.data.Length = this.buffer.length;
}
this.document._write("".concat(this.id, " ").concat(this.gen, " obj"));
this.document._write(PDFObject.convert(this.data, encryptFn));
if (this.buffer.length) {
this.document._write('stream');
this.document._write(this.buffer);
this.buffer = []; // free up memory
this.document._write('\nendstream');
}
this.document._write('endobj');
this.document._refEnd(this);
}
}, {
key: "toString",
value: function toString() {
return "".concat(this.id, " ").concat(this.gen, " R");
}
}]);
return PDFReference;
}(PDFAbstractReference);
/*
PDFPage - represents a single page in the PDF document
By Devon Govett
*/
var DEFAULT_MARGINS = {
top: 72,
left: 72,
bottom: 72,
right: 72
};
var SIZES = {
'4A0': [4767.87, 6740.79],
'2A0': [3370.39, 4767.87],
A0: [2383.94, 3370.39],
A1: [1683.78, 2383.94],
A2: [1190.55, 1683.78],
A3: [841.89, 1190.55],
A4: [595.28, 841.89],
A5: [419.53, 595.28],
A6: [297.64, 419.53],
A7: [209.76, 297.64],
A8: [147.4, 209.76],
A9: [104.88, 147.4],
A10: [73.7, 104.88],
B0: [2834.65, 4008.19],
B1: [2004.09, 2834.65],
B2: [1417.32, 2004.09],
B3: [1000.63, 1417.32],
B4: [708.66, 1000.63],
B5: [498.9, 708.66],
B6: [354.33, 498.9],
B7: [249.45, 354.33],
B8: [175.75, 249.45],
B9: [124.72, 175.75],
B10: [87.87, 124.72],
C0: [2599.37, 3676.54],
C1: [1836.85, 2599.37],
C2: [1298.27, 1836.85],
C3: [918.43, 1298.27],
C4: [649.13, 918.43],
C5: [459.21, 649.13],
C6: [323.15, 459.21],
C7: [229.61, 323.15],
C8: [161.57, 229.61],
C9: [113.39, 161.57],
C10: [79.37, 113.39],
RA0: [2437.8, 3458.27],
RA1: [1729.13, 2437.8],
RA2: [1218.9, 1729.13],
RA3: [864.57, 1218.9],
RA4: [609.45, 864.57],
SRA0: [2551.18, 3628.35],
SRA1: [1814.17, 2551.18],
SRA2: [1275.59, 1814.17],
SRA3: [907.09, 1275.59],
SRA4: [637.8, 907.09],
EXECUTIVE: [521.86, 756.0],
FOLIO: [612.0, 936.0],
LEGAL: [612.0, 1008.0],
LETTER: [612.0, 792.0],
TABLOID: [792.0, 1224.0]
};
var PDFPage =
/*#__PURE__*/
function () {
function PDFPage(document) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
_classCallCheck(this, PDFPage);
this.document = document;
this.size = options.size || 'letter';
this.layout = options.layout || 'portrait'; // process margins
if (typeof options.margin === 'number') {
this.margins = {
top: options.margin,
left: options.margin,
bottom: options.margin,
right: options.margin
}; // default to 1 inch margins
} else {
this.margins = options.margins || DEFAULT_MARGINS;
} // calculate page dimensions
var dimensions = Array.isArray(this.size) ? this.size : SIZES[this.size.toUpperCase()];
this.width = dimensions[this.layout === 'portrait' ? 0 : 1];
this.height = dimensions[this.layout === 'portrait' ? 1 : 0];
this.content = this.document.ref(); // Initialize the Font, XObject, and ExtGState dictionaries
this.resources = this.document.ref({
ProcSet: ['PDF', 'Text', 'ImageB', 'ImageC', 'ImageI']
}); // The page dictionary
this.dictionary = this.document.ref({
Type: 'Page',
Parent: this.document._root.data.Pages,
MediaBox: [0, 0, this.width, this.height],
Contents: this.content,
Resources: this.resources
});
} // Lazily create these dictionaries
_createClass(PDFPage, [{
key: "maxY",
value: function maxY() {
return this.height - this.margins.bottom;
}
}, {
key: "write",
value: function write(chunk) {
return this.content.write(chunk);
}
}, {
key: "end",
value: function end() {
this.dictionary.end();
this.resources.end();
return this.content.end();
}
}, {
key: "fonts",
get: function get() {
var data = this.resources.data;
return data.Font != null ? data.Font : data.Font = {};
}
}, {
key: "xobjects",
get: function get() {
var data = this.resources.data;
return data.XObject != null ? data.XObject : data.XObject = {};
}
}, {
key: "ext_gstates",
get: function get() {
var data = this.resources.data;
return data.ExtGState != null ? data.ExtGState : data.ExtGState = {};
}
}, {
key: "patterns",
get: function get() {
var data = this.resources.data;
return data.Pattern != null ? data.Pattern : data.Pattern = {};
}
}, {
key: "annotations",
get: function get() {
var data = this.dictionary.data;
return data.Annots != null ? data.Annots : data.Annots = [];
}
}]);
return PDFPage;
}();
/**
* Check if value is in a range group.
* @param {number} value
* @param {number[]} rangeGroup
* @returns {boolean}
*/
function inRange(value, rangeGroup) {
if (value < rangeGroup[0]) return false;
var startRange = 0;
var endRange = rangeGroup.length / 2;
while (startRange <= endRange) {
var middleRange = Math.floor((startRange + endRange) / 2); // actual array index
var arrayIndex = middleRange * 2; // Check if value is in range pointed by actual index
if (value >= rangeGroup[arrayIndex] && value <= rangeGroup[arrayIndex + 1]) {
return true;
}
if (value > rangeGroup[arrayIndex + 1]) {
// Search Right Side Of Array
startRange = middleRange + 1;
} else {
// Search Left Side Of Array
endRange = middleRange - 1;
}
}
return false;
}
/* eslint-disable prettier/prettier */
/**
* A.1 Unassigned code points in Unicode 3.2
* @link https://tools.ietf.org/html/rfc3454#appendix-A.1
*/
var unassigned_code_points = [0x0221, 0x0221, 0x0234, 0x024f, 0x02ae, 0x02af, 0x02ef, 0x02ff, 0x0350, 0x035f, 0x0370, 0x0373, 0x0376, 0x0379, 0x037b, 0x037d, 0x037f, 0x0383, 0x038b, 0x038b, 0x038d, 0x038d, 0x03a2, 0x03a2, 0x03cf, 0x03cf, 0x03f7, 0x03ff, 0x0487, 0x0487, 0x04cf, 0x04cf, 0x04f6, 0x04f7, 0x04fa, 0x04ff, 0x0510, 0x0530, 0x0557, 0x0558, 0x0560, 0x0560, 0x0588, 0x0588, 0x058b, 0x0590, 0x05a2, 0x05a2, 0x05ba, 0x05ba, 0x05c5, 0x05cf, 0x05eb, 0x05ef, 0x05f5, 0x060b, 0x060d, 0x061a, 0x061c, 0x061e, 0x0620, 0x0620, 0x063b, 0x063f, 0x0656, 0x065f, 0x06ee, 0x06ef, 0x06ff, 0x06ff, 0x070e, 0x070e, 0x072d, 0x072f, 0x074b, 0x077f, 0x07b2, 0x0900, 0x0904, 0x0904, 0x093a, 0x093b, 0x094e, 0x094f, 0x0955, 0x0957, 0x0971, 0x0980, 0x0984, 0x0984, 0x098d, 0x098e, 0x0991, 0x0992, 0x09a9, 0x09a9, 0x09b1, 0x09b1, 0x09b3, 0x09b5, 0x09ba, 0x09bb, 0x09bd, 0x09bd, 0x09c5, 0x09c6, 0x09c9, 0x09ca, 0x09ce, 0x09d6, 0x09d8, 0x09db, 0x09de, 0x09de, 0x09e4, 0x09e5, 0x09fb, 0x0a01, 0x0a03, 0x0a04, 0x0a0b, 0x0a0e, 0x0a11, 0x0a12, 0x0a29, 0x0a29, 0x0a31, 0x0a31, 0x0a34, 0x0a34, 0x0a37, 0x0a37, 0x0a3a, 0x0a3b, 0x0a3d, 0x0a3d, 0x0a43, 0x0a46, 0x0a49, 0x0a4a, 0x0a4e, 0x0a58, 0x0a5d, 0x0a5d, 0x0a5f, 0x0a65, 0x0a75, 0x0a80, 0x0a84, 0x0a84, 0x0a8c, 0x0a8c, 0x0a8e, 0x0a8e, 0x0a92, 0x0a92, 0x0aa9, 0x0aa9, 0x0ab1, 0x0ab1, 0x0ab4, 0x0ab4, 0x0aba, 0x0abb, 0x0ac6, 0x0ac6, 0x0aca, 0x0aca, 0x0ace, 0x0acf, 0x0ad1, 0x0adf, 0x0ae1, 0x0ae5, 0x0af0, 0x0b00, 0x0b04, 0x0b04, 0x0b0d, 0x0b0e, 0x0b11, 0x0b12, 0x0b29, 0x0b29, 0x0b31, 0x0b31, 0x0b34, 0x0b35, 0x0b3a, 0x0b3b, 0x0b44, 0x0b46, 0x0b49, 0x0b4a, 0x0b4e, 0x0b55, 0x0b58, 0x0b5b, 0x0b5e, 0x0b5e, 0x0b62, 0x0b65, 0x0b71, 0x0b81, 0x0b84, 0x0b84, 0x0b8b, 0x0b8d, 0x0b91, 0x0b91, 0x0b96, 0x0b98, 0x0b9b, 0x0b9b, 0x0b9d, 0x0b9d, 0x0ba0, 0x0ba2, 0x0ba5, 0x0ba7, 0x0bab, 0x0bad, 0x0bb6, 0x0bb6, 0x0bba, 0x0bbd, 0x0bc3, 0x0bc5, 0x0bc9, 0x0bc9, 0x0bce, 0x0bd6, 0x0bd8, 0x0be6, 0x0bf3, 0x0c00, 0x0c04, 0x0c04, 0x0c0d, 0x0c0d, 0x0c11, 0x0c11, 0x0c29, 0x0c29, 0x0c34, 0x0c34, 0x0c3a, 0x0c3d, 0x0c45, 0x0c45, 0x0c49, 0x0c49, 0x0c4e, 0x0c54, 0x0c57, 0x0c5f, 0x0c62, 0x0c65, 0x0c70, 0x0c81, 0x0c84, 0x0c84, 0x0c8d, 0x0c8d, 0x0c91, 0x0c91, 0x0ca9, 0x0ca9, 0x0cb4, 0x0cb4, 0x0cba, 0x0cbd, 0x0cc5, 0x0cc5, 0x0cc9, 0x0cc9, 0x0cce, 0x0cd4, 0x0cd7, 0x0cdd, 0x0cdf, 0x0cdf, 0x0ce2, 0x0ce5, 0x0cf0, 0x0d01, 0x0d04, 0x0d04, 0x0d0d, 0x0d0d, 0x0d11, 0x0d11, 0x0d29, 0x0d29, 0x0d3a, 0x0d3d, 0x0d44, 0x0d45, 0x0d49, 0x0d49, 0x0d4e, 0x0d56, 0x0d58, 0x0d5f, 0x0d62, 0x0d65, 0x0d70, 0x0d81, 0x0d84, 0x0d84, 0x0d97, 0x0d99, 0x0db2, 0x0db2, 0x0dbc, 0x0dbc, 0x0dbe, 0x0dbf, 0x0dc7, 0x0dc9, 0x0dcb, 0x0dce, 0x0dd5, 0x0dd5, 0x0dd7, 0x0dd7, 0x0de0, 0x0df1, 0x0df5, 0x0e00, 0x0e3b, 0x0e3e, 0x0e5c, 0x0e80, 0x0e83, 0x0e83, 0x0e85, 0x0e86, 0x0e89, 0x0e89, 0x0e8b, 0x0e8c, 0x0e8e, 0x0e93, 0x0e98, 0x0e98, 0x0ea0, 0x0ea0, 0x0ea4, 0x0ea4, 0x0ea6, 0x0ea6, 0x0ea8, 0x0ea9, 0x0eac, 0x0eac, 0x0eba, 0x0eba, 0x0ebe, 0x0ebf, 0x0ec5, 0x0ec5, 0x0ec7, 0x0ec7, 0x0ece, 0x0ecf, 0x0eda, 0x0edb, 0x0ede, 0x0eff, 0x0f48, 0x0f48, 0x0f6b, 0x0f70, 0x0f8c, 0x0f8f, 0x0f98, 0x0f98, 0x0fbd, 0x0fbd, 0x0fcd, 0x0fce, 0x0fd0, 0x0fff, 0x1022, 0x1022, 0x1028, 0x1028, 0x102b, 0x102b, 0x1033, 0x1035, 0x103a, 0x103f, 0x105a, 0x109f, 0x10c6, 0x10cf, 0x10f9, 0x10fa, 0x10fc, 0x10ff, 0x115a, 0x115e, 0x11a3, 0x11a7, 0x11fa, 0x11ff, 0x1207, 0x1207, 0x1247, 0x1247, 0x1249, 0x1249, 0x124e, 0x124f, 0x1257, 0x1257, 0x1259, 0x1259, 0x125e, 0x125f, 0x1287, 0x1287, 0x1289, 0x1289, 0x128e, 0x128f, 0x12af, 0x12af, 0x12b1, 0x12b1, 0x12b6, 0x12b7, 0x12bf, 0x12bf, 0x12c1, 0x12c1, 0x12c6, 0x12c7, 0x12cf, 0x12cf, 0x12d7, 0x12d7, 0x12ef, 0x12ef, 0x130f, 0x130f, 0x1311, 0x1311, 0x1316, 0x1317, 0x131f, 0x131f, 0x1347, 0x1347, 0x135b, 0x1360, 0x137d, 0x139f, 0x13f5, 0x1400, 0x1677, 0x167f, 0x169d, 0x169f, 0x16f1, 0x16ff, 0x170d, 0x170d, 0x1715, 0x171f, 0x1737, 0x173f, 0x1754, 0x175f, 0x176d, 0x176d, 0x1771, 0x1771, 0x1774, 0x177f, 0x17dd, 0x17df, 0x17ea, 0x17ff, 0x180f, 0x180f, 0x181a, 0x181f, 0x1878, 0x187f, 0x18aa, 0x1dff, 0x1e9c, 0x1e9f, 0x1efa, 0x1eff, 0x1f16, 0x1f17, 0x1f1e, 0x1f1f, 0x1f46, 0x1f47, 0x1f4e, 0x1f4f, 0x1f58, 0x1f58, 0x1f5a, 0x1f5a, 0x1f5c, 0x1f5c, 0x1f5e, 0x1f5e, 0x1f7e, 0x1f7f, 0x1fb5, 0x1fb5, 0x1fc5, 0x1fc5, 0x1fd4, 0x1fd5, 0x1fdc, 0x1fdc, 0x1ff0, 0x1ff1, 0x1ff5, 0x1ff5, 0x1fff, 0x1fff, 0x2053, 0x2056, 0x2058, 0x205e, 0x2064, 0x2069, 0x2072, 0x2073, 0x208f, 0x209f, 0x20b2, 0x20cf, 0x20eb, 0x20ff, 0x213b, 0x213c, 0x214c, 0x2152, 0x2184, 0x218f, 0x23cf, 0x23ff, 0x2427, 0x243f, 0x244b, 0x245f, 0x24ff, 0x24ff, 0x2614, 0x2615, 0x2618, 0x2618, 0x267e, 0x267f, 0x268a, 0x2700, 0x2705, 0x2705, 0x270a, 0x270b, 0x2728, 0x2728, 0x274c, 0x274c, 0x274e, 0x274e, 0x2753, 0x2755, 0x2757, 0x2757, 0x275f, 0x2760, 0x2795, 0x2797, 0x27b0, 0x27b0, 0x27bf, 0x27cf, 0x27ec, 0x27ef, 0x2b00, 0x2e7f, 0x2e9a, 0x2e9a, 0x2ef4, 0x2eff, 0x2fd6, 0x2fef, 0x2ffc, 0x2fff, 0x3040, 0x3040, 0x3097, 0x3098, 0x3100, 0x3104, 0x312d, 0x3130, 0x318f, 0x318f, 0x31b8, 0x31ef, 0x321d, 0x321f, 0x3244, 0x3250, 0x327c, 0x327e, 0x32cc, 0x32cf, 0x32ff, 0x32ff, 0x3377, 0x337a, 0x33de, 0x33df, 0x33ff, 0x33ff, 0x4db6, 0x4dff, 0x9fa6, 0x9fff, 0xa48d, 0xa48f, 0xa4c7, 0xabff, 0xd7a4, 0xd7ff, 0xfa2e, 0xfa2f, 0xfa6b, 0xfaff, 0xfb07, 0xfb12, 0xfb18, 0xfb1c, 0xfb37, 0xfb37, 0xfb3d, 0xfb3d, 0xfb3f, 0xfb3f, 0xfb42, 0xfb42, 0xfb45, 0xfb45, 0xfbb2, 0xfbd2, 0xfd40, 0xfd4f, 0xfd90, 0xfd91, 0xfdc8, 0xfdcf, 0xfdfd, 0xfdff, 0xfe10, 0xfe1f, 0xfe24, 0xfe2f, 0xfe47, 0xfe48, 0xfe53, 0xfe53, 0xfe67, 0xfe67, 0xfe6c, 0xfe6f, 0xfe75, 0xfe75, 0xfefd, 0xfefe, 0xff00, 0xff00, 0xffbf, 0xffc1, 0xffc8, 0xffc9, 0xffd0, 0xffd1, 0xffd8, 0xffd9, 0xffdd, 0xffdf, 0xffe7, 0xffe7, 0xffef, 0xfff8, 0x10000, 0x102ff, 0x1031f, 0x1031f, 0x10324, 0x1032f, 0x1034b, 0x103ff, 0x10426, 0x10427, 0x1044e, 0x1cfff, 0x1d0f6, 0x1d0ff, 0x1d127, 0x1d129, 0x1d1de, 0x1d3ff, 0x1d455, 0x1d455, 0x1d49d, 0x1d49d, 0x1d4a0, 0x1d4a1, 0x1d4a3, 0x1d4a4, 0x1d4a7, 0x1d4a8, 0x1d4ad, 0x1d4ad, 0x1d4ba, 0x1d4ba, 0x1d4bc, 0x1d4bc, 0x1d4c1, 0x1d4c1, 0x1d4c4, 0x1d4c4, 0x1d506, 0x1d506, 0x1d50b, 0x1d50c, 0x1d515, 0x1d515, 0x1d51d, 0x1d51d, 0x1d53a, 0x1d53a, 0x1d53f, 0x1d53f, 0x1d545, 0x1d545, 0x1d547, 0x1d549, 0x1d551, 0x1d551, 0x1d6a4, 0x1d6a7, 0x1d7ca, 0x1d7cd, 0x1d800, 0x1fffd, 0x2a6d7, 0x2f7ff, 0x2fa1e, 0x2fffd, 0x30000, 0x3fffd, 0x40000, 0x4fffd, 0x50000, 0x5fffd, 0x60000, 0x6fffd, 0x70000, 0x7fffd, 0x80000, 0x8fffd, 0x90000, 0x9fffd, 0xa0000, 0xafffd, 0xb0000, 0xbfffd, 0xc0000, 0xcfffd, 0xd0000, 0xdfffd, 0xe0000, 0xe0000, 0xe0002, 0xe001f, 0xe0080, 0xefffd];
/* eslint-enable */
var isUnassignedCodePoint = function isUnassignedCodePoint(character) {
return inRange(character, unassigned_code_points);
};
/* eslint-disable prettier/prettier */
/**
* B.1 Commonly mapped to nothing
* @link https://tools.ietf.org/html/rfc3454#appendix-B.1
*/
var commonly_mapped_to_nothing = [0x00ad, 0x00ad, 0x034f, 0x034f, 0x1806, 0x1806, 0x180b, 0x180b, 0x180c, 0x180c, 0x180d, 0x180d, 0x200b, 0x200b, 0x200c, 0x200c, 0x200d, 0x200d, 0x2060, 0x2060, 0xfe00, 0xfe00, 0xfe01, 0xfe01, 0xfe02, 0xfe02, 0xfe03, 0xfe03, 0xfe04, 0xfe04, 0xfe05, 0xfe05, 0xfe06, 0xfe06, 0xfe07, 0xfe07, 0xfe08, 0xfe08, 0xfe09, 0xfe09, 0xfe0a, 0xfe0a, 0xfe0b, 0xfe0b, 0xfe0c, 0xfe0c, 0xfe0d, 0xfe0d, 0xfe0e, 0xfe0e, 0xfe0f, 0xfe0f, 0xfeff, 0xfeff];
/* eslint-enable */
var isCommonlyMappedToNothing = function isCommonlyMappedToNothing(character) {
return inRange(character, commonly_mapped_to_nothing);
};
/* eslint-disable prettier/prettier */
/**
* C.1.2 Non-ASCII space characters
* @link https://tools.ietf.org/html/rfc3454#appendix-C.1.2
*/
var non_ASCII_space_characters = [0x00a0, 0x00a0
/* NO-BREAK SPACE */
, 0x1680, 0x1680
/* OGHAM SPACE MARK */
, 0x2000, 0x2000
/* EN QUAD */
, 0x2001, 0x2001
/* EM QUAD */
, 0x2002, 0x2002
/* EN SPACE */
, 0x2003, 0x2003
/* EM SPACE */
, 0x2004, 0x2004
/* THREE-PER-EM SPACE */
, 0x2005, 0x2005
/* FOUR-PER-EM SPACE */
, 0x2006, 0x2006
/* SIX-PER-EM SPACE */
, 0x2007, 0x2007
/* FIGURE SPACE */
, 0x2008, 0x2008
/* PUNCTUATION SPACE */
, 0x2009, 0x2009
/* THIN SPACE */
, 0x200a, 0x200a
/* HAIR SPACE */
, 0x200b, 0x200b
/* ZERO WIDTH SPACE */
, 0x202f, 0x202f
/* NARROW NO-BREAK SPACE */
, 0x205f, 0x205f
/* MEDIUM MATHEMATICAL SPACE */
, 0x3000, 0x3000
/* IDEOGRAPHIC SPACE */
];
/* eslint-enable */
var isNonASCIISpaceCharacter = function isNonASCIISpaceCharacter(character) {
return inRange(character, non_ASCII_space_characters);
};
/* eslint-disable prettier/prettier */
var non_ASCII_controls_characters = [
/**
* C.2.2 Non-ASCII control characters
* @link https://tools.ietf.org/html/rfc3454#appendix-C.2.2
*/
0x0080, 0x009f
/* [CONTROL CHARACTERS] */
, 0x06dd, 0x06dd
/* ARABIC END OF AYAH */
, 0x070f, 0x070f
/* SYRIAC ABBREVIATION MARK */
, 0x180e, 0x180e
/* MONGOLIAN VOWEL SEPARATOR */
, 0x200c, 0x200c
/* ZERO WIDTH NON-JOINER */
, 0x200d, 0x200d
/* ZERO WIDTH JOINER */
, 0x2028, 0x2028
/* LINE SEPARATOR */
, 0x2029, 0x2029
/* PARAGRAPH SEPARATOR */
, 0x2060, 0x2060
/* WORD JOINER */
, 0x2061, 0x2061
/* FUNCTION APPLICATION */
, 0x2062, 0x2062
/* INVISIBLE TIMES */
, 0x2063, 0x2063
/* INVISIBLE SEPARATOR */
, 0x206a, 0x206f
/* [CONTROL CHARACTERS] */
, 0xfeff, 0xfeff
/* ZERO WIDTH NO-BREAK SPACE */
, 0xfff9, 0xfffc
/* [CONTROL CHARACTERS] */
, 0x1d173, 0x1d17a
/* [MUSICAL CONTROL CHARACTERS] */
];
var non_character_codepoints = [
/**
* C.4 Non-character code points
* @link https://tools.ietf.org/html/rfc3454#appendix-C.4
*/
0xfdd0, 0xfdef
/* [NONCHARACTER CODE POINTS] */
, 0xfffe, 0xffff
/* [NONCHARACTER CODE POINTS] */
, 0x1fffe, 0x1ffff
/* [NONCHARACTER CODE POINTS] */
, 0x2fffe, 0x2ffff
/* [NONCHARACTER CODE POINTS] */
, 0x3fffe, 0x3ffff
/* [NONCHARACTER CODE POINTS] */
, 0x4fffe, 0x4ffff
/* [NONCHARACTER CODE POINTS] */
, 0x5fffe, 0x5ffff
/* [NONCHARACTER CODE POINTS] */
, 0x6fffe, 0x6ffff
/* [NONCHARACTER CODE POINTS] */
, 0x7fffe, 0x7ffff
/* [NONCHARACTER CODE POINTS] */
, 0x8fffe, 0x8ffff
/* [NONCHARACTER CODE POINTS] */
, 0x9fffe, 0x9ffff
/* [NONCHARACTER CODE POINTS] */
, 0xafffe, 0xaffff
/* [NONCHARACTER CODE POINTS] */
, 0xbfffe, 0xbffff
/* [NONCHARACTER CODE POINTS] */
, 0xcfffe, 0xcffff
/* [NONCHARACTER CODE POINTS] */
, 0xdfffe, 0xdffff
/* [NONCHARACTER CODE POINTS] */
, 0xefffe, 0xeffff
/* [NONCHARACTER CODE POINTS] */
, 0x10fffe, 0x10ffff
/* [NONCHARACTER CODE POINTS] */
];
/**
* 2.3. Prohibited Output
*/
var prohibited_characters = [
/**
* C.2.1 ASCII control characters
* @link https://tools.ietf.org/html/rfc3454#appendix-C.2.1
*/
0, 0x001f
/* [CONTROL CHARACTERS] */
, 0x007f, 0x007f
/* DELETE */
,
/**
* C.8 Change display properties or are deprecated
* @link https://tools.ietf.org/html/rfc3454#appendix-C.8
*/
0x0340, 0x0340
/* COMBINING GRAVE TONE MARK */
, 0x0341, 0x0341
/* COMBINING ACUTE TONE MARK */
, 0x200e, 0x200e
/* LEFT-TO-RIGHT MARK */
, 0x200f, 0x200f
/* RIGHT-TO-LEFT MARK */
, 0x202a, 0x202a
/* LEFT-TO-RIGHT EMBEDDING */
, 0x202b, 0x202b
/* RIGHT-TO-LEFT EMBEDDING */
, 0x202c, 0x202c
/* POP DIRECTIONAL FORMATTING */
, 0x202d, 0x202d
/* LEFT-TO-RIGHT OVERRIDE */
, 0x202e, 0x202e
/* RIGHT-TO-LEFT OVERRIDE */
, 0x206a, 0x206a
/* INHIBIT SYMMETRIC SWAPPING */
, 0x206b, 0x206b
/* ACTIVATE SYMMETRIC SWAPPING */
, 0x206c, 0x206c
/* INHIBIT ARABIC FORM SHAPING */
, 0x206d, 0x206d
/* ACTIVATE ARABIC FORM SHAPING */
, 0x206e, 0x206e
/* NATIONAL DIGIT SHAPES */
, 0x206f, 0x206f
/* NOMINAL DIGIT SHAPES */
,
/**
* C.7 Inappropriate for canonical representation
* @link https://tools.ietf.org/html/rfc3454#appendix-C.7
*/
0x2ff0, 0x2ffb
/* [IDEOGRAPHIC DESCRIPTION CHARACTERS] */
,
/**
* C.5 Surrogate codes
* @link https://tools.ietf.org/html/rfc3454#appendix-C.5
*/
0xd800, 0xdfff,
/**
* C.3 Private use
* @link https://tools.ietf.org/html/rfc3454#appendix-C.3
*/
0xe000, 0xf8ff
/* [PRIVATE USE, PLANE 0] */
,
/**
* C.6 Inappropriate for plain text
* @link https://tools.ietf.org/html/rfc3454#appendix-C.6
*/
0xfff9, 0xfff9
/* INTERLINEAR ANNOTATION ANCHOR */
, 0xfffa, 0xfffa
/* INTERLINEAR ANNOTATION SEPARATOR */
, 0xfffb, 0xfffb
/* INTERLINEAR ANNOTATION TERMINATOR */
, 0xfffc, 0xfffc
/* OBJECT REPLACEMENT CHARACTER */
, 0xfffd, 0xfffd
/* REPLACEMENT CHARACTER */
,
/**
* C.9 Tagging characters
* @link https://tools.ietf.org/html/rfc3454#appendix-C.9
*/
0xe0001, 0xe0001
/* LANGUAGE TAG */
, 0xe0020, 0xe007f
/* [TAGGING CHARACTERS] */
,
/**
* C.3 Private use
* @link https://tools.ietf.org/html/rfc3454#appendix-C.3
*/
0xf0000, 0xffffd
/* [PRIVATE USE, PLANE 15] */
, 0x100000, 0x10fffd
/* [PRIVATE USE, PLANE 16] */
];
/* eslint-enable */
var isProhibitedCharacter = function isProhibitedCharacter(character) {
return inRange(character, non_ASCII_space_characters) || inRange(character, prohibited_characters) || inRange(character, non_ASCII_controls_characters) || inRange(character, non_character_codepoints);
};
/* eslint-disable prettier/prettier */
/**
* D.1 Characters with bidirectional property "R" or "AL"
* @link https://tools.ietf.org/html/rfc3454#appendix-D.1
*/
var bidirectional_r_al = [0x05be, 0x05be, 0x05c0, 0x05c0, 0x05c3, 0x05c3, 0x05d0, 0x05ea, 0x05f0, 0x05f4, 0x061b, 0x061b, 0x061f, 0x061f, 0x0621, 0x063a, 0x0640, 0x064a, 0x066d, 0x066f, 0x0671, 0x06d5, 0x06dd, 0x06dd, 0x06e5, 0x06e6, 0x06fa, 0x06fe, 0x0700, 0x070d, 0x0710, 0x0710, 0x0712, 0x072c, 0x0780, 0x07a5, 0x07b1, 0x07b1, 0x200f, 0x200f, 0xfb1d, 0xfb1d, 0xfb1f, 0xfb28, 0xfb2a, 0xfb36, 0xfb38, 0xfb3c, 0xfb3e, 0xfb3e, 0xfb40, 0xfb41, 0xfb43, 0xfb44, 0xfb46, 0xfbb1, 0xfbd3, 0xfd3d, 0xfd50, 0xfd8f, 0xfd92, 0xfdc7, 0xfdf0, 0xfdfc, 0xfe70, 0xfe74, 0xfe76, 0xfefc];
/* eslint-enable */
var isBidirectionalRAL = function isBidirectionalRAL(character) {
return inRange(character, bidirectional_r_al);
};
/* eslint-disable prettier/prettier */
/**
* D.2 Characters with bidirectional property "L"
* @link https://tools.ietf.org/html/rfc3454#appendix-D.2
*/
var bidirectional_l = [0x0041, 0x005a, 0x0061, 0x007a, 0x00aa, 0x00aa, 0x00b5, 0x00b5, 0x00ba, 0x00ba, 0x00c0, 0x00d6, 0x00d8, 0x00f6, 0x00f8, 0x0220, 0x0222, 0x0233, 0x0250, 0x02ad, 0x02b0, 0x02b8, 0x02bb, 0x02c1, 0x02d0, 0x02d1, 0x02e0, 0x02e4, 0x02ee, 0x02ee, 0x037a, 0x037a, 0x0386, 0x0386, 0x0388, 0x038a, 0x038c, 0x038c, 0x038e, 0x03a1, 0x03a3, 0x03ce, 0x03d0, 0x03f5, 0x0400, 0x0482, 0x048a, 0x04ce, 0x04d0, 0x04f5, 0x04f8, 0x04f9, 0x0500, 0x050f, 0x0531, 0x0556, 0x0559, 0x055f, 0x0561, 0x0587, 0x0589, 0x0589, 0x0903, 0x0903, 0x0905, 0x0939, 0x093d, 0x0940, 0x0949, 0x094c, 0x0950, 0x0950, 0x0958, 0x0961, 0x0964, 0x0970, 0x0982, 0x0983, 0x0985, 0x098c, 0x098f, 0x0990, 0x0993, 0x09a8, 0x09aa, 0x09b0, 0x09b2, 0x09b2, 0x09b6, 0x09b9, 0x09be, 0x09c0, 0x09c7, 0x09c8, 0x09cb, 0x09cc, 0x09d7, 0x09d7, 0x09dc, 0x09dd, 0x09df, 0x09e1, 0x09e6, 0x09f1, 0x09f4, 0x09fa, 0x0a05, 0x0a0a, 0x0a0f, 0x0a10, 0x0a13, 0x0a28, 0x0a2a, 0x0a30, 0x0a32, 0x0a33, 0x0a35, 0x0a36, 0x0a38, 0x0a39, 0x0a3e, 0x0a40, 0x0a59, 0x0a5c, 0x0a5e, 0x0a5e, 0x0a66, 0x0a6f, 0x0a72, 0x0a74, 0x0a83, 0x0a83, 0x0a85, 0x0a8b, 0x0a8d, 0x0a8d, 0x0a8f, 0x0a91, 0x0a93, 0x0aa8, 0x0aaa, 0x0ab0, 0x0ab2, 0x0ab3, 0x0ab5, 0x0ab9, 0x0abd, 0x0ac0, 0x0ac9, 0x0ac9, 0x0acb, 0x0acc, 0x0ad0, 0x0ad0, 0x0ae0, 0x0ae0, 0x0ae6, 0x0aef, 0x0b02, 0x0b03, 0x0b05, 0x0b0c, 0x0b0f, 0x0b10, 0x0b13, 0x0b28, 0x0b2a, 0x0b30, 0x0b32, 0x0b33, 0x0b36, 0x0b39, 0x0b3d, 0x0b3e, 0x0b40, 0x0b40, 0x0b47, 0x0b48, 0x0b4b, 0x0b4c, 0x0b57, 0x0b57, 0x0b5c, 0x0b5d, 0x0b5f, 0x0b61, 0x0b66, 0x0b70, 0x0b83, 0x0b83, 0x0b85, 0x0b8a, 0x0b8e, 0x0b90, 0x0b92, 0x0b95, 0x0b99, 0x0b9a, 0x0b9c, 0x0b9c, 0x0b9e, 0x0b9f, 0x0ba3, 0x0ba4, 0x0ba8, 0x0baa, 0x0bae, 0x0bb5, 0x0bb7, 0x0bb9, 0x0bbe, 0x0bbf, 0x0bc1, 0x0bc2, 0x0bc6, 0x0bc8, 0x0bca, 0x0bcc, 0x0bd7, 0x0bd7, 0x0be7, 0x0bf2, 0x0c01, 0x0c03, 0x0c05, 0x0c0c, 0x0c0e, 0x0c10, 0x0c12, 0x0c28, 0x0c2a, 0x0c33, 0x0c35, 0x0c39, 0x0c41, 0x0c44, 0x0c60, 0x0c61, 0x0c66, 0x0c6f, 0x0c82, 0x0c83, 0x0c85, 0x0c8c, 0x0c8e, 0x0c90, 0x0c92, 0x0ca8, 0x0caa, 0x0cb3, 0x0cb5, 0x0cb9, 0x0cbe, 0x0cbe, 0x0cc0, 0x0cc4, 0x0cc7, 0x0cc8, 0x0cca, 0x0ccb, 0x0cd5, 0x0cd6, 0x0cde, 0x0cde, 0x0ce0, 0x0ce1, 0x0ce6, 0x0cef, 0x0d02, 0x0d03, 0x0d05, 0x0d0c, 0x0d0e, 0x0d10, 0x0d12, 0x0d28, 0x0d2a, 0x0d39, 0x0d3e, 0x0d40, 0x0d46, 0x0d48, 0x0d4a, 0x0d4c, 0x0d57, 0x0d57, 0x0d60, 0x0d61, 0x0d66, 0x0d6f, 0x0d82, 0x0d83, 0x0d85, 0x0d96, 0x0d9a, 0x0db1, 0x0db3, 0x0dbb, 0x0dbd, 0x0dbd, 0x0dc0, 0x0dc6, 0x0dcf, 0x0dd1, 0x0dd8, 0x0ddf, 0x0df2, 0x0df4, 0x0e01, 0x0e30, 0x0e32, 0x0e33, 0x0e40, 0x0e46, 0x0e4f, 0x0e5b, 0x0e81, 0x0e82, 0x0e84, 0x0e84, 0x0e87, 0x0e88, 0x0e8a, 0x0e8a, 0x0e8d, 0x0e8d, 0x0e94, 0x0e97, 0x0e99, 0x0e9f, 0x0ea1, 0x0ea3, 0x0ea5, 0x0ea5, 0x0ea7, 0x0ea7, 0x0eaa, 0x0eab, 0x0ead, 0x0eb0, 0x0eb2, 0x0eb3, 0x0ebd, 0x0ebd, 0x0ec0, 0x0ec4, 0x0ec6, 0x0ec6, 0x0ed0, 0x0ed9, 0x0edc, 0x0edd, 0x0f00, 0x0f17, 0x0f1a, 0x0f34, 0x0f36, 0x0f36, 0x0f38, 0x0f38, 0x0f3e, 0x0f47, 0x0f49, 0x0f6a, 0x0f7f, 0x0f7f, 0x0f85, 0x0f85, 0x0f88, 0x0f8b, 0x0fbe, 0x0fc5, 0x0fc7, 0x0fcc, 0x0fcf, 0x0fcf, 0x1000, 0x1021, 0x1023, 0x1027, 0x1029, 0x102a, 0x102c, 0x102c, 0x1031, 0x1031, 0x1038, 0x1038, 0x1040, 0x1057, 0x10a0, 0x10c5, 0x10d0, 0x10f8, 0x10fb, 0x10fb, 0x1100, 0x1159, 0x115f, 0x11a2, 0x11a8, 0x11f9, 0x1200, 0x1206, 0x1208, 0x1246, 0x1248, 0x1248, 0x124a, 0x124d, 0x1250, 0x1256, 0x1258, 0x1258, 0x125a, 0x125d, 0x1260, 0x1286, 0x1288, 0x1288, 0x128a, 0x128d, 0x1290, 0x12ae, 0x12b0, 0x12b0, 0x12b2, 0x12b5, 0x12b8, 0x12be, 0x12c0, 0x12c0, 0x12c2, 0x12c5, 0x12c8, 0x12ce, 0x12d0, 0x12d6, 0x12d8, 0x12ee, 0x12f0, 0x130e, 0x1310, 0x1310, 0x1312, 0x1315, 0x1318, 0x131e, 0x1320, 0x1346, 0x1348, 0x135a, 0x1361, 0x137c, 0x13a0, 0x13f4, 0x1401, 0x1676, 0x1681, 0x169a, 0x16a0, 0x16f0, 0x1700, 0x170c, 0x170e, 0x1711, 0x1720, 0x1731, 0x1735, 0x1736, 0x1740, 0x1751, 0x1760, 0x176c, 0x176e, 0x1770, 0x1780, 0x17b6, 0x17be, 0x17c5, 0x17c7, 0x17c8, 0x17d4, 0x17da, 0x17dc, 0x17dc, 0x17e0, 0x17e9, 0x1810, 0x1819, 0x1820, 0x1877, 0x1880, 0x18a8, 0x1e00, 0x1e9b, 0x1ea0, 0x1ef9, 0x1f00, 0x1f15, 0x1f18, 0x1f1d, 0x1f20, 0x1f45, 0x1f48, 0x1f4d, 0x1f50, 0x1f57, 0x1f59, 0x1f59, 0x1f5b, 0x1f5b, 0x1f5d, 0x1f5d, 0x1f5f, 0x1f7d, 0x1f80, 0x1fb4, 0x1fb6, 0x1fbc, 0x1fbe, 0x1fbe, 0x1fc2, 0x1fc4, 0x1fc6, 0x1fcc, 0x1fd0, 0x1fd3, 0x1fd6, 0x1fdb, 0x1fe0, 0x1fec, 0x1ff2, 0x1ff4, 0x1ff6, 0x1ffc, 0x200e, 0x200e, 0x2071, 0x2071, 0x207f, 0x207f, 0x2102, 0x2102, 0x2107, 0x2107, 0x210a, 0x2113, 0x2115, 0x2115, 0x2119, 0x211d, 0x2124, 0x2124, 0x2126, 0x2126, 0x2128, 0x2128, 0x212a, 0x212d, 0x212f, 0x2131, 0x2133, 0x2139, 0x213d, 0x213f, 0x2145, 0x2149, 0x2160, 0x2183, 0x2336, 0x237a, 0x2395, 0x2395, 0x249c, 0x24e9, 0x3005, 0x3007, 0x3021, 0x3029, 0x3031, 0x3035, 0x3038, 0x303c, 0x3041, 0x3096, 0x309d, 0x309f, 0x30a1, 0x30fa, 0x30fc, 0x30ff, 0x3105, 0x312c, 0x3131, 0x318e, 0x3190, 0x31b7, 0x31f0, 0x321c, 0x3220, 0x3243, 0x3260, 0x327b, 0x327f, 0x32b0, 0x32c0, 0x32cb, 0x32d0, 0x32fe, 0x3300, 0x3376, 0x337b, 0x33dd, 0x33e0, 0x33fe, 0x3400, 0x4db5, 0x4e00, 0x9fa5, 0xa000, 0xa48c, 0xac00, 0xd7a3, 0xd800, 0xfa2d, 0xfa30, 0xfa6a, 0xfb00, 0xfb06, 0xfb13, 0xfb17, 0xff21, 0xff3a, 0xff41, 0xff5a, 0xff66, 0xffbe, 0xffc2, 0xffc7, 0xffca, 0xffcf, 0xffd2, 0xffd7, 0xffda, 0xffdc, 0x10300, 0x1031e, 0x10320, 0x10323, 0x10330, 0x1034a, 0x10400, 0x10425, 0x10428, 0x1044d, 0x1d000, 0x1d0f5, 0x1d100, 0x1d126, 0x1d12a, 0x1d166, 0x1d16a, 0x1d172, 0x1d183, 0x1d184, 0x1d18c, 0x1d1a9, 0x1d1ae, 0x1d1dd, 0x1d400, 0x1d454, 0x1d456, 0x1d49c, 0x1d49e, 0x1d49f, 0x1d4a2, 0x1d4a2, 0x1d4a5, 0x1d4a6, 0x1d4a9, 0x1d4ac, 0x1d4ae, 0x1d4b9, 0x1d4bb, 0x1d4bb, 0x1d4bd, 0x1d4c0, 0x1d4c2, 0x1d4c3, 0x1d4c5, 0x1d505, 0x1d507, 0x1d50a, 0x1d50d, 0x1d514, 0x1d516, 0x1d51c, 0x1d51e, 0x1d539, 0x1d53b, 0x1d53e, 0x1d540, 0x1d544, 0x1d546, 0x1d546, 0x1d54a, 0x1d550, 0x1d552, 0x1d6a3, 0x1d6a8, 0x1d7c9, 0x20000, 0x2a6d6, 0x2f800, 0x2fa1d, 0xf0000, 0xffffd, 0x100000, 0x10fffd];
/* eslint-enable */
var isBidirectionalL = function isBidirectionalL(character) {
return inRange(character, bidirectional_l);
};
/**
* non-ASCII space characters [StringPrep, C.1.2] that can be
* mapped to SPACE (U+0020)
*/
var mapping2space = isNonASCIISpaceCharacter;
/**
* the "commonly mapped to nothing" characters [StringPrep, B.1]
* that can be mapped to nothing.
*/
var mapping2nothing = isCommonlyMappedToNothing; // utils
var getCodePoint = function getCodePoint(character) {
return character.codePointAt(0);
};
var first = function first(x) {
return x[0];
};
var last = function last(x) {
return x[x.length - 1];
};
/**
* Convert provided string into an array of Unicode Code Points.
* Based on https://stackoverflow.com/a/21409165/1556249
* and https://www.npmjs.com/package/code-point-at.
* @param {string} input
* @returns {number[]}
*/
function toCodePoints(input) {
var codepoints = [];
var size = input.length;
for (var i = 0; i < size; i += 1) {
var before = input.charCodeAt(i);
if (before >= 0xd800 && before <= 0xdbff && size > i + 1) {
var next = input.charCodeAt(i + 1);
if (next >= 0xdc00 && next <= 0xdfff) {
codepoints.push((before - 0xd800) * 0x400 + next - 0xdc00 + 0x10000);
i += 1;
continue;
}
}
codepoints.push(before);
}
return codepoints;
}
/**
* SASLprep.
* @param {string} input
* @param {Object} opts
* @param {boolean} opts.allowUnassigned
* @returns {string}
*/
function saslprep(input) {
var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
if (typeof input !== 'string') {
throw new TypeError('Expected string.');
}
if (input.length === 0) {
return '';
} // 1. Map
var mapped_input = toCodePoints(input) // 1.1 mapping to space
.map(function (character) {
return mapping2space(character) ? 0x20 : character;
}) // 1.2 mapping to nothing
.filter(function (character) {
return !mapping2nothing(character);
}); // 2. Normalize
var normalized_input = String.fromCodePoint.apply(null, mapped_input).normalize('NFKC');
var normalized_map = toCodePoints(normalized_input); // 3. Prohibit
var hasProhibited = normalized_map.some(isProhibitedCharacter);
if (hasProhibited) {
throw new Error('Prohibited character, see https://tools.ietf.org/html/rfc4013#section-2.3');
} // Unassigned Code Points
if (opts.allowUnassigned !== true) {
var hasUnassigned = normalized_map.some(isUnassignedCodePoint);
if (hasUnassigned) {
throw new Error('Unassigned code point, see https://tools.ietf.org/html/rfc4013#section-2.5');
}
} // 4. check bidi
var hasBidiRAL = normalized_map.some(isBidirectionalRAL);
var hasBidiL = normalized_map.some(isBidirectionalL); // 4.1 If a string contains any RandALCat character, the string MUST NOT
// contain any LCat character.
if (hasBidiRAL && hasBidiL) {
throw new Error('String must not contain RandALCat and LCat at the same time,' + ' see https://tools.ietf.org/html/rfc3454#section-6');
}
/**
* 4.2 If a string contains any RandALCat character, a RandALCat
* character MUST be the first character of the string, and a
* RandALCat character MUST be the last character of the string.
*/
var isFirstBidiRAL = isBidirectionalRAL(getCodePoint(first(normalized_input)));
var isLastBidiRAL = isBidirectionalRAL(getCodePoint(last(normalized_input)));
if (hasBidiRAL && !(isFirstBidiRAL && isLastBidiRAL)) {
throw new Error('Bidirectional RandALCat character must be the first and the last' + ' character of the string, see https://tools.ietf.org/html/rfc3454#section-6');
}
return normalized_input;
}
var PDFSecurity =
/*#__PURE__*/
function () {
_createClass(PDFSecurity, null, [{
key: "generateFileID",
value: function generateFileID() {
var info = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
var infoStr = "".concat(info.CreationDate.getTime(), "\n");
for (var key in info) {
if (!info.hasOwnProperty(key)) {
continue;
}
infoStr += "".concat(key, ": ").concat(info[key].toString(), "\n");
}
return wordArrayToBuffer(CryptoJS.MD5(infoStr));
}
}, {
key: "generateRandomWordArray",
value: function generateRandomWordArray(bytes) {
return CryptoJS.lib.WordArray.random(bytes);
}
}, {
key: "create",
value: function create(document) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
if (!options.ownerPassword && !options.userPassword) {
return null;
}
return new PDFSecurity(document, options);
}
}]);
function PDFSecurity(document) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
_classCallCheck(this, PDFSecurity);
if (!options.ownerPassword && !options.userPassword) {
throw new Error('None of owner password and user password is defined.');
}
this.document = document;
this._setupEncryption(options);
}
_createClass(PDFSecurity, [{
key: "_setupEncryption",
value: function _setupEncryption(options) {
switch (options.pdfVersion) {
case '1.4':
case '1.5':
this.version = 2;
break;
case '1.6':
case '1.7':
this.version = 4;
break;
case '1.7ext3':
this.version = 5;
break;
default:
this.version = 1;
break;
}
var encDict = {
Filter: 'Standard'
};
switch (this.version) {
case 1:
case 2:
case 4:
this._setupEncryptionV1V2V4(this.version, encDict, options);
break;
case 5:
this._setupEncryptionV5(encDict, options);
break;
}
this.dictionary = this.document.ref(encDict);
}
}, {
key: "_setupEncryptionV1V2V4",
value: function _setupEncryptionV1V2V4(v, encDict, options) {
var r, permissions;
switch (v) {
case 1:
r = 2;
this.keyBits = 40;
permissions = getPermissionsR2(options.permissions);
break;
case 2:
r = 3;
this.keyBits = 128;
permissions = getPermissionsR3(options.permissions);
break;
case 4:
r = 4;
this.keyBits = 128;
permissions = getPermissionsR3(options.permissions);
break;
}
var paddedUserPassword = processPasswordR2R3R4(options.userPassword);
var paddedOwnerPassword = options.ownerPassword ? processPasswordR2R3R4(options.ownerPassword) : paddedUserPassword;
var ownerPasswordEntry = getOwnerPasswordR2R3R4(r, this.keyBits, paddedUserPassword, paddedOwnerPassword);
this.encryptionKey = getEncryptionKeyR2R3R4(r, this.keyBits, this.document._id, paddedUserPassword, ownerPasswordEntry, permissions);
var userPasswordEntry;
if (r === 2) {
userPasswordEntry = getUserPasswordR2(this.encryptionKey);
} else {
userPasswordEntry = getUserPasswordR3R4(this.document._id, this.encryptionKey);
}
encDict.V = v;
if (v >= 2) {
encDict.Length = this.keyBits;
}
if (v === 4) {
encDict.CF = {
StdCF: {
AuthEvent: 'DocOpen',
CFM: 'AESV2',
Length: this.keyBits / 8
}
};
encDict.StmF = 'StdCF';
encDict.StrF = 'StdCF';
}
encDict.R = r;
encDict.O = wordArrayToBuffer(ownerPasswordEntry);
encDict.U = wordArrayToBuffer(userPasswordEntry);
encDict.P = permissions;
}
}, {
key: "_setupEncryptionV5",
value: function _setupEncryptionV5(encDict, options) {
this.keyBits = 256;
var permissions = getPermissionsR3(options);
var processedUserPassword = processPasswordR5(options.userPassword);
var processedOwnerPassword = options.ownerPassword ? processPasswordR5(options.ownerPassword) : processedUserPassword;
this.encryptionKey = getEncryptionKeyR5(PDFSecurity.generateRandomWordArray);
var userPasswordEntry = getUserPasswordR5(processedUserPassword, PDFSecurity.generateRandomWordArray);
var userKeySalt = CryptoJS.lib.WordArray.create(userPasswordEntry.words.slice(10, 12), 8);
var userEncryptionKeyEntry = getUserEncryptionKeyR5(processedUserPassword, userKeySalt, this.encryptionKey);
var ownerPasswordEntry = getOwnerPasswordR5(processedOwnerPassword, userPasswordEntry, PDFSecurity.generateRandomWordArray);
var ownerKeySalt = CryptoJS.lib.WordArray.create(ownerPasswordEntry.words.slice(10, 12), 8);
var ownerEncryptionKeyEntry = getOwnerEncryptionKeyR5(processedOwnerPassword, ownerKeySalt, userPasswordEntry, this.encryptionKey);
var permsEntry = getEncryptedPermissionsR5(permissions, this.encryptionKey, PDFSecurity.generateRandomWordArray);
encDict.V = 5;
encDict.Length = this.keyBits;
encDict.CF = {
StdCF: {
AuthEvent: 'DocOpen',
CFM: 'AESV3',
Length: this.keyBits / 8
}
};
encDict.StmF = 'StdCF';
encDict.StrF = 'StdCF';
encDict.R = 5;
encDict.O = wordArrayToBuffer(ownerPasswordEntry);
encDict.OE = wordArrayToBuffer(ownerEncryptionKeyEntry);
encDict.U = wordArrayToBuffer(userPasswordEntry);
encDict.UE = wordArrayToBuffer(userEncryptionKeyEntry);
encDict.P = permissions;
encDict.Perms = wordArrayToBuffer(permsEntry);
}
}, {
key: "getEncryptFn",
value: function getEncryptFn(obj, gen) {
var digest;
if (this.version < 5) {
digest = this.encryptionKey.clone().concat(CryptoJS.lib.WordArray.create([(obj & 0xff) << 24 | (obj & 0xff00) << 8 | obj >> 8 & 0xff00 | gen & 0xff, (gen & 0xff00) << 16], 5));
}
if (this.version === 1 || this.version === 2) {
var _key = CryptoJS.MD5(digest);
_key.sigBytes = Math.min(16, this.keyBits / 8 + 5);
return function (buffer) {
return wordArrayToBuffer(CryptoJS.RC4.encrypt(CryptoJS.lib.WordArray.create(buffer), _key).ciphertext);
};
}
var key;
if (this.version === 4) {
key = CryptoJS.MD5(digest.concat(CryptoJS.lib.WordArray.create([0x73416c54], 4)));
} else {
key = this.encryptionKey;
}
var iv = PDFSecurity.generateRandomWordArray(16);
var options = {
mode: CryptoJS.mode.CBC,
padding: CryptoJS.pad.Pkcs7,
iv: iv
};
return function (buffer) {
return wordArrayToBuffer(iv.clone().concat(CryptoJS.AES.encrypt(CryptoJS.lib.WordArray.create(buffer), key, options).ciphertext));
};
}
}, {
key: "end",
value: function end() {
this.dictionary.end();
}
}]);
return PDFSecurity;
}();
function getPermissionsR2() {
var permissionObject = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
var permissions = 0xffffffc0 >> 0;
if (permissionObject.printing) {
permissions |= 4;
}
if (permissionObject.modifying) {
permissions |= 8;
}
if (permissionObject.copying) {
permissions |= 16;
}
if (permissionObject.annotating) {
permissions |= 32;
}
return permissions;
}
function getPermissionsR3() {
var permissionObject = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
var permissions = 0xfffff0c0 >> 0;
if (permissionObject.printing === 'lowResolution') {
permissions |= 4;
}
if (permissionObject.printing === 'highResolution') {
permissions |= 2052;
}
if (permissionObject.modifying) {
permissions |= 8;
}
if (permissionObject.copying) {
permissions |= 16;
}
if (permissionObject.annotating) {
permissions |= 32;
}
if (permissionObject.fillingForms) {
permissions |= 256;
}
if (permissionObject.contentAccessibility) {
permissions |= 512;
}
if (permissionObject.documentAssembly) {
permissions |= 1024;
}
return permissions;
}
function getUserPasswordR2(encryptionKey) {
return CryptoJS.RC4.encrypt(processPasswordR2R3R4(), encryptionKey).ciphertext;
}
function getUserPasswordR3R4(documentId, encryptionKey) {
var key = encryptionKey.clone();
var cipher = CryptoJS.MD5(processPasswordR2R3R4().concat(CryptoJS.lib.WordArray.create(documentId)));
for (var i = 0; i < 20; i++) {
var xorRound = Math.ceil(key.sigBytes / 4);
for (var j = 0; j < xorRound; j++) {
key.words[j] = encryptionKey.words[j] ^ (i | i << 8 | i << 16 | i << 24);
}
cipher = CryptoJS.RC4.encrypt(cipher, key).ciphertext;
}
return cipher.concat(CryptoJS.lib.WordArray.create(null, 16));
}
function getOwnerPasswordR2R3R4(r, keyBits, paddedUserPassword, paddedOwnerPassword) {
var digest = paddedOwnerPassword;
var round = r >= 3 ? 51 : 1;
for (var i = 0; i < round; i++) {
digest = CryptoJS.MD5(digest);
}
var key = digest.clone();
key.sigBytes = keyBit