@magic-xpa/utils
Version:
magic utils package
290 lines • 35.3 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
import { ApplicationException, ISO_8859_1_Encoding } from "@magic-xpa/mscorelib";
import { StrUtil } from "./StrUtil";
import { Misc } from "./Misc";
export class Base64 {
/**
* @param {?} strOrData
* @param {?=} encodingOrIsUseEnvCharset
* @param {?=} encoding
* @return {?}
*/
static encode(strOrData, encodingOrIsUseEnvCharset, encoding) {
if (arguments.length === 2)
return Base64.encode_0(strOrData, encodingOrIsUseEnvCharset);
else if (arguments.length === 3)
return Base64.encode_1(strOrData, encodingOrIsUseEnvCharset, encoding);
else
return Base64.encode_2(strOrData);
}
/// <summary> This method encodes the given string using the base64-encoding
/// specified in RFC-2045 (Section 6.8). It's used for example in the
/// "Basic" authorization scheme.
/// </summary>
/// <param name="str">the string </param>
/// <param name="encoding"> Environment.Encoding </param>
/// <returns> the base64-encoded str </returns>
/**
* @param {?} str
* @param {?} encoding
* @return {?}
*/
static encode_0(str, encoding) {
return Base64.encode(str, false, encoding);
}
/// <summary> Encodes string using the base64-encoding.
/// If isUseEnvCharset is true, use the specific charset when converting
/// string to byte array. (DBCS support)
/// </summary>
/// <param name="str">the string </param>
/// <param name="isUseEnvCharset"> </param>
/// <param name="encoding"> Environment.Encoding </param>
/// <returns> the base64-encoded str </returns>
/**
* @param {?} str
* @param {?} isUseEnvCharset
* @param {?} encoding
* @return {?}
*/
static encode_1(str, isUseEnvCharset, encoding) {
/** @type {?} */
let result;
if (str === null) {
result = null;
}
else {
if (str === "") {
result = str;
}
else {
try {
/** @type {?} */
let instance = ISO_8859_1_Encoding.ISO_8859_1;
/** @type {?} */
let encoding2 = isUseEnvCharset ? encoding : instance;
/** @type {?} */
let ba = Base64.encode(encoding2.GetBytes(str));
result = instance.GetString(ba, 0, ba.length);
}
catch (ex) {
throw new ApplicationException(ex.Message);
}
}
}
return result;
}
/// <summary> This method encodes the given byte[] using the base64-encoding
/// specified in RFC-2045 (Section 6.8).
/// </summary>
/// <param name="data">the data </param>
/// <returns> the base64-encoded data </returns>
/**
* @param {?} data
* @return {?}
*/
static encode_2(data) {
if (data === null)
return null;
/** @type {?} */
let dest = new Uint8Array(Math.floor((data.length + 2) / 3) * 4);
/** @type {?} */
let sidx = 0;
/** @type {?} */
let didx = 0;
// 3-byte to 4-byte conversion + 0-63 to ASCII printable conversion
while (sidx < data.length - 2) {
dest[didx++] = Base64._base64EncMap[Misc.URShift((/** @type {?} */ (data[sidx])), 2) & 63];
dest[didx++] = Base64._base64EncMap[(Misc.URShift((/** @type {?} */ (data[sidx + 1])), 4) & 15) | ((/** @type {?} */ (data[sidx])) << 4 & 63)];
dest[didx++] = Base64._base64EncMap[(Misc.URShift((/** @type {?} */ (data[sidx + 2])), 6) & 3) | ((/** @type {?} */ (data[sidx + 1])) << 2 & 63)];
dest[didx++] = Base64._base64EncMap[(/** @type {?} */ ((data[sidx + 2] & 63)))];
sidx = sidx + 3;
}
if (sidx < data.length) {
dest[didx++] = Base64._base64EncMap[Misc.URShift((/** @type {?} */ (data[sidx])), 2) & 63];
if (sidx < data.length - 1) {
dest[didx++] = Base64._base64EncMap[(Misc.URShift((/** @type {?} */ (data[sidx + 1])), 4) & 15) | ((/** @type {?} */ (data[sidx])) << 4 & 63)];
dest[didx++] = Base64._base64EncMap[(/** @type {?} */ (data[sidx + 1])) << 2 & 63];
}
else {
dest[didx++] = Base64._base64EncMap[(/** @type {?} */ (data[sidx])) << 4 & 63];
}
}
// add padding
while (didx < dest.length) {
dest[didx] = 61;
didx = didx + 1;
}
return dest;
}
/**
* @param {?} strOrData
* @param {?=} encoding
* @return {?}
*/
static decode(strOrData, encoding) {
if (arguments.length === 1 && (strOrData === null || strOrData.constructor === String))
return Base64.decode_0(strOrData);
else if (arguments.length === 2)
return Base64.decode_1(strOrData, encoding);
else
return Base64.decode_2(strOrData);
}
/// <summary> This method decodes the given string using the base64-encoding
/// specified in RFC-2045 (Section 6.8).
/// </summary>
/// <param name="str">the base64-encoded string. </param>
/// <returns> the decoded str.</returns>
/**
* @param {?} str
* @return {?}
*/
static decode_0(str) {
return Base64.decode(str, null);
}
/// <summary> This method decodes the given string using the base64-encoding
/// specified in RFC-2045 (Section 6.8).
/// </summary>
/// <param name="str">the base64-encoded string. </param>
/// <param name="encoding">Environment.Encoding or null.</param>
/// <returns> the decoded str.</returns>
/**
* @param {?} str
* @param {?} encoding
* @return {?}
*/
static decode_1(str, encoding) {
/** @type {?} */
let result;
if (str === null) {
result = null;
}
else {
if (str === "") {
result = str;
}
else {
try {
/** @type {?} */
let instance = ISO_8859_1_Encoding.ISO_8859_1;
/** @type {?} */
let array = Base64.decode(instance.GetBytes(str));
/** @type {?} */
let encoding2 = (encoding !== null) ? encoding : instance;
result = encoding2.GetString(array, 0, array.length);
}
catch (ex) {
throw new ApplicationException(ex.Message);
}
}
}
return result;
}
/// <summary> This method decodes the given byte[] using the base64-encoding
/// specified in RFC-2045 (Section 6.8).
/// </summary>
/// <param name="data">the base64-encoded data.</param>
/// <returns> the decoded <var>data</va
/**
* @param {?} data
* @return {?}
*/
static decode_2(data) {
if (data === null)
return null;
/** @type {?} */
let tail = data.length;
while (data[tail - 1] === '='.charCodeAt(0)) {
tail = tail - 1;
}
/** @type {?} */
let dest = new Uint8Array(tail - Math.floor(data.length / 4));
// ASCII printable to 0-63 conversion
for (let idx = 0; idx < data.length; idx = idx + 1) {
data[idx] = Base64._base64DecMap[data[idx]];
}
// 4-byte to 3-byte conversion
/** @type {?} */
let sidx = 0;
/** @type {?} */
let didx;
for (didx = 0; didx < dest.length - 2; didx = didx + 3) {
dest[didx] = (((data[sidx] << 2) & 255) | (Misc.URShift(data[sidx + 1], 4) & 3));
dest[didx + 1] = (((data[sidx + 1] << 4) & 255) | (Misc.URShift(data[sidx + 2], 2) & 15));
dest[didx + 2] = (((data[sidx + 2] << 6) & 255) | (data[sidx + 3] & 63));
sidx = sidx + 4;
}
if (didx < dest.length)
dest[didx] = (((data[sidx] << 2) & 255) | (Misc.URShift(data[sidx + 1], 4) & 3));
if ((didx = didx + 1) < dest.length)
dest[didx] = (((data[sidx + 1] << 4) & 255) | (Misc.URShift(data[sidx + 2], 2) & 15));
return dest;
}
/// <summary> decoded and return an hex representation of the data</summary>
/**
* @param {?} str
* @return {?}
*/
static decodeToHex(str) {
if (str === null)
return null;
if (str === "")
return str;
return StrUtil.stringToHexaDump(Base64.decode(str), 2);
}
/// <summary> decodes a string to byte array</summary>
/**
* @param {?} str
* @return {?}
*/
static decodeToByte(str) {
if (str === null)
return null;
// QCR 740918 if we have and empty expression it is sent from the server as empty string
// and changed locally to a string with one blank either way they are not valid base64 encoded
// string and should not be decoded.
if (str === "" || str === " ")
return new Uint8Array(0);
try {
/** @type {?} */
let instance = ISO_8859_1_Encoding.ISO_8859_1;
return Base64.decode(instance.GetBytes(str));
}
catch (ex) {
throw new ApplicationException(ex.Message);
}
}
/**
* @return {?}
*/
static initializeEncMap() {
return new Uint8Array([
65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83,
84, 85, 86, 87, 88, 89, 90, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 48, 49, 50, 51, 52, 53, 54,
55, 56, 57, 43, 47
]);
}
/**
* @return {?}
*/
static initializeDecMap() {
/** @type {?} */
let decMap = new Uint8Array(128);
for (let i = 0; i < Base64._base64EncMap.length; i = i + 1) {
decMap[Base64._base64EncMap[i]] = i;
}
return decMap;
}
}
Base64._base64EncMap = Base64.initializeEncMap();
Base64._base64DecMap = Base64.initializeDecMap();
if (false) {
/** @type {?} */
Base64._base64EncMap;
/** @type {?} */
Base64._base64DecMap;
}
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{Encoding, Exception, ApplicationException, ISO_8859_1_Encoding} from \"@magic-xpa/mscorelib\";\r\nimport {StrUtil} from \"./StrUtil\";\r\nimport {Misc} from \"./Misc\";\r\n\r\nexport class Base64{\r\n  private static _base64EncMap: Uint8Array = Base64.initializeEncMap();\r\n  private static _base64DecMap: Uint8Array = Base64.initializeDecMap();\r\n\r\n\r\n  static encode(str: string, encoding: Encoding): string;\r\n  static encode(str: string, isUseEnvCharset: boolean, encoding: Encoding): string;\r\n  static encode(data: Uint8Array): Uint8Array;\r\n  static encode(strOrData: any, encodingOrIsUseEnvCharset?: any, encoding?: Encoding): any {\r\n    if (arguments.length === 2)\r\n      return Base64.encode_0(strOrData, encodingOrIsUseEnvCharset);\r\n\r\n    else if (arguments.length === 3)\r\n      return Base64.encode_1(strOrData, encodingOrIsUseEnvCharset, encoding);\r\n\r\n    else\r\n      return Base64.encode_2(strOrData);\r\n  }\r\n\r\n  /// <summary> This method encodes the given string using the base64-encoding\r\n  /// specified in RFC-2045 (Section 6.8). It's used for example in the\r\n  /// \"Basic\" authorization scheme.\r\n  /// </summary>\r\n  /// <param name=\"str\">the string </param>\r\n  /// <param name=\"encoding\"> Environment.Encoding </param>\r\n  /// <returns> the base64-encoded str </returns>\r\n  private static encode_0(str: string, encoding: Encoding): string {\r\n    return Base64.encode(str, false, encoding);\r\n  }\r\n\r\n  /// <summary> Encodes string using the base64-encoding.\r\n  /// If isUseEnvCharset is true, use the specific charset when converting\r\n  /// string to byte array. (DBCS support)\r\n  /// </summary>\r\n  /// <param name=\"str\">the string </param>\r\n  /// <param name=\"isUseEnvCharset\"> </param>\r\n  /// <param name=\"encoding\"> Environment.Encoding </param>\r\n  /// <returns> the base64-encoded str </returns>\r\n  private static encode_1(str: string, isUseEnvCharset: boolean, encoding: Encoding): string {\r\n    let result: string;\r\n    if (str === null) {\r\n      result = null;\r\n    }\r\n    else {\r\n      if (str === \"\") {\r\n        result = str;\r\n      }\r\n      else {\r\n        try {\r\n          let instance: Encoding = ISO_8859_1_Encoding.ISO_8859_1;\r\n          let encoding2: Encoding = isUseEnvCharset ? encoding : instance;\r\n          let ba: Uint8Array = Base64.encode(encoding2.GetBytes(str));\r\n          result = instance.GetString(ba, 0, ba.length);\r\n        }\r\n        catch (ex) {\r\n          throw new ApplicationException(ex.Message);\r\n        }\r\n      }\r\n    }\r\n    return result;\r\n  }\r\n\r\n  /// <summary> This method encodes the given byte[] using the base64-encoding\r\n  /// specified in RFC-2045 (Section 6.8).\r\n  /// </summary>\r\n  /// <param name=\"data\">the data </param>\r\n  /// <returns> the base64-encoded data </returns>\r\n  private static encode_2(data: Uint8Array): Uint8Array {\r\n\r\n    if (data === null)\r\n      return null;\r\n\r\n    let dest: Uint8Array = new Uint8Array(Math.floor((data.length + 2) / 3) * 4);\r\n    let sidx: number = 0;\r\n    let didx: number = 0;\r\n\r\n    // 3-byte to 4-byte conversion + 0-63 to ASCII printable conversion\r\n    while (sidx < data.length - 2) {\r\n      dest[didx++] = Base64._base64EncMap[Misc.URShift(<number>data[sidx], 2) & 63];\r\n      dest[didx++] = Base64._base64EncMap[(Misc.URShift(<number>data[sidx + 1], 4) & 15) | (<number>data[sidx] << 4 & 63)];\r\n      dest[didx++] = Base64._base64EncMap[(Misc.URShift(<number>data[sidx + 2], 6) & 3) | (<number>data[sidx + 1] << 2 & 63)];\r\n      dest[didx++] = Base64._base64EncMap[<number>(data[sidx + 2] & 63)];\r\n      sidx = sidx + 3;\r\n    }\r\n\r\n    if (sidx < data.length) {\r\n      dest[didx++] = Base64._base64EncMap[Misc.URShift(<number>data[sidx], 2) & 63];\r\n      if (sidx < data.length - 1) {\r\n        dest[didx++] = Base64._base64EncMap[(Misc.URShift(<number>data[sidx + 1], 4) & 15) | (<number>data[sidx] << 4 & 63)];\r\n        dest[didx++] = Base64._base64EncMap[<number>data[sidx + 1] << 2 & 63];\r\n      }\r\n      else {\r\n        dest[didx++] = Base64._base64EncMap[<number>data[sidx] << 4 & 63];\r\n      }\r\n    }\r\n\r\n    // add padding\r\n    while (didx < dest.length) {\r\n      dest[didx] = 61;\r\n      didx = didx + 1;\r\n    }\r\n\r\n    return dest;\r\n  }\r\n\r\n  static decode(str: string): string;\r\n  static decode(str: string, encoding: Encoding): string;\r\n  static decode(data: Uint8Array): Uint8Array;\r\n  static decode(strOrData: any, encoding?: Encoding): any {\r\n    if (arguments.length === 1 && (strOrData === null || strOrData.constructor === String))\r\n      return Base64.decode_0(strOrData);\r\n\r\n    else if (arguments.length === 2)\r\n      return Base64.decode_1(strOrData, encoding);\r\n\r\n    else\r\n      return Base64.decode_2(strOrData);\r\n  }\r\n\r\n  /// <summary> This method decodes the given string using the base64-encoding\r\n  /// specified in RFC-2045 (Section 6.8).\r\n  /// </summary>\r\n  /// <param name=\"str\">the base64-encoded string. </param>\r\n  /// <returns> the decoded str.</returns>\r\n  private static decode_0(str: string): string {\r\n    return Base64.decode(str, null);\r\n  }\r\n\r\n  /// <summary> This method decodes the given string using the base64-encoding\r\n  /// specified in RFC-2045 (Section 6.8).\r\n  /// </summary>\r\n  /// <param name=\"str\">the base64-encoded string. </param>\r\n  /// <param name=\"encoding\">Environment.Encoding or null.</param>\r\n  /// <returns> the decoded str.</returns>\r\n  private static decode_1(str: string, encoding: Encoding): string {\r\n\r\n    let result: string;\r\n    if (str === null) {\r\n      result = null;\r\n    }\r\n    else {\r\n      if (str === \"\") {\r\n        result = str;\r\n      }\r\n      else {\r\n        try {\r\n          let instance: ISO_8859_1_Encoding = ISO_8859_1_Encoding.ISO_8859_1;\r\n          let array: Uint8Array = Base64.decode(instance.GetBytes(str));\r\n          let encoding2: Encoding = (encoding !== null) ? encoding : instance;\r\n          result = encoding2.GetString(array, 0, array.length);\r\n        }\r\n        catch (ex) {\r\n          throw new ApplicationException(ex.Message);\r\n        }\r\n      }\r\n    }\r\n    return result;\r\n  }\r\n\r\n  /// <summary> This method decodes the given byte[] using the base64-encoding\r\n  /// specified in RFC-2045 (Section 6.8).\r\n  /// </summary>\r\n  /// <param name=\"data\">the base64-encoded data.</param>\r\n  /// <returns> the decoded <var>data</va\r\n  private static decode_2(data: Uint8Array): Uint8Array {\r\n    if (data === null)\r\n      return null;\r\n\r\n    let tail: number = data.length;\r\n    while (data[tail - 1] === '='.charCodeAt(0)) {\r\n      tail = tail - 1;\r\n    }\r\n    let dest: Uint8Array = new Uint8Array(tail - Math.floor(data.length / 4));\r\n\r\n    // ASCII printable to 0-63 conversion\r\n    for (let idx: number = 0; idx < data.length; idx = idx + 1) {\r\n      data[idx] = Base64._base64DecMap[data[idx]];\r\n    }\r\n\r\n    // 4-byte to 3-byte conversion\r\n    let sidx: number = 0;\r\n    let didx: number;\r\n    for (didx = 0; didx < dest.length - 2; didx = didx + 3) {\r\n      dest[didx] = (((data[sidx] << 2) & 255) | (Misc.URShift(data[sidx + 1], 4) & 3));\r\n      dest[didx + 1] = (((data[sidx + 1] << 4) & 255) | (Misc.URShift(data[sidx + 2], 2) & 15));\r\n      dest[didx + 2] = (((data[sidx + 2] << 6) & 255) | (data[sidx + 3] & 63));\r\n      sidx = sidx + 4;\r\n    }\r\n\r\n    if (didx < dest.length)\r\n      dest[didx] = (((data[sidx] << 2) & 255) | (Misc.URShift(data[sidx + 1], 4) & 3));\r\n    if ((didx = didx + 1) < dest.length)\r\n      dest[didx] = (((data[sidx + 1] << 4) & 255) | (Misc.URShift(data[sidx + 2], 2) & 15));\r\n\r\n    return dest;\r\n  }\r\n\r\n  /// <summary> decoded and return an hex representation of the data</summary>\r\n  static decodeToHex(str: string): string {\r\n    if (str === null)\r\n      return null;\r\n    if (str === \"\")\r\n      return str;\r\n\r\n    return StrUtil.stringToHexaDump(Base64.decode(str), 2);\r\n  }\r\n\r\n  /// <summary> decodes a string to byte array</summary>\r\n  static decodeToByte(str: string): Uint8Array {\r\n    if (str === null)\r\n      return null;\r\n\r\n    // QCR 740918 if we have and empty expression it is sent from the server as empty string\r\n    // and changed locally to a string with one blank either way they are not valid base64 encoded\r\n    // string and should not be decoded.\r\n    if (str === \"\" || str === \" \")\r\n      return new Uint8Array(0);\r\n\r\n    try {\r\n      let instance: Encoding = ISO_8859_1_Encoding.ISO_8859_1;\r\n      return Base64.decode(instance.GetBytes(str));\r\n    }\r\n    catch (ex) {\r\n      throw new ApplicationException(ex.Message);\r\n    }\r\n  }\r\n\r\n  private static initializeEncMap() {\r\n    return new Uint8Array([\r\n      65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83,\r\n      84, 85, 86, 87, 88, 89, 90, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,\r\n      110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 48, 49, 50, 51, 52, 53, 54,\r\n      55, 56, 57, 43, 47\r\n    ]);\r\n\r\n  }\r\n\r\n  private static initializeDecMap() {\r\n    let decMap: Uint8Array = new Uint8Array(128);\r\n\r\n    for (let i: number = 0; i < Base64._base64EncMap.length; i = i + 1) {\r\n      decMap[Base64._base64EncMap[i]] = i;\r\n    }\r\n\r\n    return decMap;\r\n  }\r\n}\r\n"]}