first commit

.editorconfig

@@ -0,0 +1,16 @@
+# http://editorconfig.org
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.md]
+trim_trailing_whitespace = false
+
+[Makefile]
+indent_style = tab

.gitignore

@@ -0,0 +1 @@
+node_modules

.prettierrc

@@ -0,0 +1,8 @@
+{
+  "trailingComma": "all",
+  "tabWidth": 2,
+  "indentStyle": "es5",
+  "semi": true,
+  "arrowParens": "always",
+  "singleQuote": true
+}

dist/types/utils.d.ts

@@ -0,0 +1,13 @@
+declare class Utils {
+    private static code;
+    static crc32(str: string): number;
+    static ab2str(buf: ArrayBuffer): string;
+    static str2ab(str: string): ArrayBuffer;
+    static decrypt(data: any, key: any, iv: any): any;
+    static encrypt(data: any, key: any, iv: any): string;
+    static binToBase64(bitString: any): string;
+    static base64ToBin(str: any): string;
+    static stringToBin(str: string): string;
+    static binToStr(bin: string): string;
+}
+export { Utils };

dist/utils.js

@@ -0,0 +1,123 @@
+"use strict";
+exports.__esModule = true;
+var crypto_js_1 = require("crypto-js");
+var makeCRCTable = function () {
+    var c;
+    var crcTable = [];
+    for (var n = 0; n < 256; n++) {
+        c = n;
+        for (var k = 0; k < 8; k++) {
+            c = c & 1 ? 0xedb88320 ^ (c >>> 1) : c >>> 1;
+        }
+        crcTable[n] = c;
+    }
+    return crcTable;
+};
+var Utils = /** @class */ (function () {
+    function Utils() {
+    }
+    Utils.crc32 = function (str) {
+        var crcTable = window.crcTable || (window.crcTable = makeCRCTable());
+        var crc = 0 ^ -1;
+        for (var i = 0; i < str.length; i++) {
+            crc = (crc >>> 8) ^ crcTable[(crc ^ str.charCodeAt(i)) & 0xff];
+        }
+        return (crc ^ -1) >>> 0;
+    };
+    // ArrayBuffer 转为字符串，参数为 ArrayBuffer 对象
+    Utils.ab2str = function (buf) {
+        // 注意，如果是大型二进制数组，为了避免溢出，必须一个一个字符地转
+        if (buf && buf.byteLength < 1024) {
+            return String.fromCharCode.apply(null, new Uint8Array(buf));
+        }
+        var bufView = new Uint8Array(buf);
+        var len = bufView.length;
+        var byteStr = new Array(len);
+        for (var i = 0; i < len; i++) {
+            byteStr[i] = String.fromCharCode.call(null, bufView[i]);
+        }
+        return byteStr.join('');
+    };
+    // 字符串转为 ArrayBuffer 对象，参数为字符串
+    Utils.str2ab = function (str) {
+        var buf = new ArrayBuffer(str.length); // 每个字符占用2个字节
+        var bufView = new Uint8Array(buf);
+        for (var i = 0, strLen = str.length; i < strLen; i++) {
+            bufView[i] = str.charCodeAt(i);
+        }
+        return buf;
+    };
+    // 解密服务端传递过来的字符串
+    Utils.decrypt = function (data, key, iv) {
+        var binData = Utils.stringToBin(data);
+        var base64Data = Utils.binToBase64(binData);
+        var bytes = crypto_js_1.AES.decrypt(base64Data, crypto_js_1.enc.Latin1.parse(key), {
+            iv: crypto_js_1.enc.Latin1.parse(iv),
+            mode: crypto_js_1.mode.CBC,
+            padding: crypto_js_1.pad.Pkcs7
+        });
+        return bytes.toString(crypto_js_1.enc.Utf8);
+    };
+    // 加密字符串以后传递到服务端
+    Utils.encrypt = function (data, key, iv) {
+        var result = crypto_js_1.AES.encrypt(data, crypto_js_1.enc.Latin1.parse(key), {
+            iv: crypto_js_1.enc.Latin1.parse(iv),
+            mode: crypto_js_1.mode.CBC,
+            padding: crypto_js_1.pad.Pkcs7
+        });
+        return Utils.binToStr(Utils.base64ToBin(result.toString()));
+    };
+    // 字节数组转换为base64编码
+    Utils.binToBase64 = function (bitString) {
+        var result = '';
+        var tail = bitString.length % 6;
+        var bitStringTemp1 = bitString.substr(0, bitString.length - tail);
+        var bitStringTemp2 = bitString.substr(bitString.length - tail, tail);
+        for (var i = 0; i < bitStringTemp1.length; i += 6) {
+            var index = parseInt(bitStringTemp1.substr(i, 6), 2);
+            result += this.code[index];
+        }
+        bitStringTemp2 += new Array(7 - tail).join('0');
+        if (tail) {
+            result += this.code[parseInt(bitStringTemp2, 2)];
+            result += new Array((6 - tail) / 2 + 1).join('=');
+        }
+        return result;
+    };
+    // base64编码转换为字节数组
+    Utils.base64ToBin = function (str) {
+        var bitString = '';
+        var tail = 0;
+        for (var i = 0; i < str.length; i++) {
+            if (str[i] !== '=') {
+                var decode = this.code.indexOf(str[i]).toString(2);
+                bitString += new Array(7 - decode.length).join('0') + decode;
+            }
+            else {
+                tail++;
+            }
+        }
+        return bitString.substr(0, bitString.length - tail * 2);
+    };
+    // 字符串转换为字节数组
+    Utils.stringToBin = function (str) {
+        var result = '';
+        for (var i = 0; i < str.length; i++) {
+            var charCode = str.charCodeAt(i).toString(2);
+            result += new Array(9 - charCode.length).join('0') + charCode;
+        }
+        return result;
+    };
+    // 字节数组转化为字符串
+    Utils.binToStr = function (bin) {
+        var result = '';
+        for (var i = 0; i < bin.length; i += 8) {
+            result += String.fromCharCode(parseInt(bin.substr(i, 8), 2));
+        }
+        return result;
+    };
+    Utils.code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split('');
+    return Utils;
+}());
+exports.Utils = Utils;
+//# sourceMappingURL=utils.js.map

dist/utils.js.map

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package.json

@@ -0,0 +1,14 @@
+{
+  "name": "ts-sdk",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "crypto-js": "^3.1.9-1"
+  }
+}

src/utils.ts

@@ -0,0 +1,148 @@
+import { AES, enc, mode, pad } from 'crypto-js';
+
+const makeCRCTable = function() {
+  var c;
+  var crcTable = [];
+  for (var n = 0; n < 256; n++) {
+    c = n;
+    for (var k = 0; k < 8; k++) {
+      c = c & 1 ? 0xedb88320 ^ (c >>> 1) : c >>> 1;
+    }
+    crcTable[n] = c;
+  }
+  return crcTable;
+};
+
+class Utils {
+  private static code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split(
+    '',
+  );
+
+  public static crc32(str: string): number {
+    let crcTable =
+      (<any>window).crcTable || ((<any>window).crcTable = makeCRCTable());
+    let crc = 0 ^ -1;
+
+    for (let i = 0; i < str.length; i++) {
+      crc = (crc >>> 8) ^ crcTable[(crc ^ str.charCodeAt(i)) & 0xff];
+    }
+
+    return (crc ^ -1) >>> 0;
+  }
+
+  // ArrayBuffer 转为字符串，参数为 ArrayBuffer 对象
+  public static ab2str(buf: ArrayBuffer): string {
+    // 注意，如果是大型二进制数组，为了避免溢出，必须一个一个字符地转
+    if (buf && buf.byteLength < 1024) {
+      return String.fromCharCode.apply(null, new Uint8Array(buf));
+    }
+
+    let bufView = new Uint8Array(buf);
+    let len = bufView.length;
+    let byteStr = new Array(len);
+
+    for (let i = 0; i < len; i++) {
+      byteStr[i] = String.fromCharCode.call(null, bufView[i]);
+    }
+
+    return byteStr.join('');
+  }
+
+  // 字符串转为 ArrayBuffer 对象，参数为字符串
+  static str2ab(str: string): ArrayBuffer {
+    let buf = new ArrayBuffer(str.length); // 每个字符占用2个字节
+    let bufView = new Uint8Array(buf);
+
+    for (let i = 0, strLen = str.length; i < strLen; i++) {
+      bufView[i] = str.charCodeAt(i);
+    }
+
+    return buf;
+  }
+
+  // 解密服务端传递过来的字符串
+  static decrypt(data, key, iv) {
+    let binData = Utils.stringToBin(data);
+    let base64Data = Utils.binToBase64(binData);
+
+    let bytes = AES.decrypt(base64Data, enc.Latin1.parse(key), {
+      iv: enc.Latin1.parse(iv),
+      mode: mode.CBC,
+      padding: pad.Pkcs7,
+    });
+
+    return bytes.toString(enc.Utf8);
+  }
+
+  // 加密字符串以后传递到服务端
+  static encrypt(data, key, iv) {
+    let result = AES.encrypt(data, enc.Latin1.parse(key), {
+      iv: enc.Latin1.parse(iv),
+      mode: mode.CBC,
+      padding: pad.Pkcs7,
+    });
+
+    return Utils.binToStr(Utils.base64ToBin(result.toString()));
+  }
+
+  // 字节数组转换为base64编码
+  static binToBase64(bitString) {
+    let result = '';
+    let tail = bitString.length % 6;
+    let bitStringTemp1 = bitString.substr(0, bitString.length - tail);
+    let bitStringTemp2 = bitString.substr(bitString.length - tail, tail);
+
+    for (let i = 0; i < bitStringTemp1.length; i += 6) {
+      let index = parseInt(bitStringTemp1.substr(i, 6), 2);
+      result += this.code[index];
+    }
+
+    bitStringTemp2 += new Array(7 - tail).join('0');
+    if (tail) {
+      result += this.code[parseInt(bitStringTemp2, 2)];
+      result += new Array((6 - tail) / 2 + 1).join('=');
+    }
+
+    return result;
+  }
+
+  // base64编码转换为字节数组
+  static base64ToBin(str) {
+    let bitString = '';
+    let tail = 0;
+
+    for (let i = 0; i < str.length; i++) {
+      if (str[i] !== '=') {
+        let decode = this.code.indexOf(str[i]).toString(2);
+        bitString += new Array(7 - decode.length).join('0') + decode;
+      } else {
+        tail++;
+      }
+    }
+
+    return bitString.substr(0, bitString.length - tail * 2);
+  }
+
+  // 字符串转换为字节数组
+  public static stringToBin(str: string): string {
+    let result = '';
+    for (let i = 0; i < str.length; i++) {
+      let charCode = str.charCodeAt(i).toString(2);
+      result += new Array(9 - charCode.length).join('0') + charCode;
+    }
+
+    return result;
+  }
+
+  // 字节数组转化为字符串
+  public static binToStr(bin: string): string {
+    let result = '';
+    for (let i = 0; i < bin.length; i += 8) {
+      result += String.fromCharCode(parseInt(bin.substr(i, 8), 2));
+    }
+
+    return result;
+  }
+}
+
+export { Utils };

tsconfig.json

@@ -0,0 +1,12 @@
+{
+  "compileOnSave": true,
+  "compilerOptions": {
+    "alwaysStrict": true,
+    "sourceMap": true,
+    "declaration": true,
+    "rootDir": "src",
+    "outDir": "dist",
+    "declarationDir": "dist/types"
+  },
+  "include": ["src/**/*"]
+}

yarn.lock

@@ -0,0 +1,7 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+crypto-js@^3.1.9-1:
+  version "3.1.9-1"
+  resolved "http://registry.npm.taobao.org/crypto-js/download/crypto-js-3.1.9-1.tgz#fda19e761fc077e01ffbfdc6e9fdfc59e8806cd8"