{"version":3,"file":"BrowserStringUtils.js","sources":["../../src/utils/BrowserStringUtils.ts"],"sourcesContent":["/*\n * Copyright (c) Microsoft Corporation. All rights reserved.\n * Licensed under the MIT License.\n */\n\nimport { Constants } from \"@azure/msal-common\";\n\n/**\n * Utility functions for strings in a browser. See here for implementation details:\n * https://developer.mozilla.org/en-US/docs/Web/API/WindowBase64/Base64_encoding_and_decoding#Solution_2_%E2%80%93_JavaScript's_UTF-16_%3E_UTF-8_%3E_base64\n */\nexport class BrowserStringUtils {\n\n    /**\n     * Converts string to Uint8Array\n     * @param sDOMStr \n     */\n    static stringToUtf8Arr (sDOMStr: string): Uint8Array {\n        let nChr;\n        let nArrLen = 0;\n        const nStrLen = sDOMStr.length;\n        /* mapping... */\n        for (let nMapIdx = 0; nMapIdx < nStrLen; nMapIdx++) {\n            nChr = sDOMStr.charCodeAt(nMapIdx);\n            nArrLen += nChr < 0x80 ? 1 : nChr < 0x800 ? 2 : nChr < 0x10000 ? 3 : nChr < 0x200000 ? 4 : nChr < 0x4000000 ? 5 : 6;\n        }\n\n        const aBytes = new Uint8Array(nArrLen);\n\n        /* transcription... */\n\n        for (let nIdx = 0, nChrIdx = 0; nIdx < nArrLen; nChrIdx++) {\n            nChr = sDOMStr.charCodeAt(nChrIdx);\n            if (nChr < 128) {\n                /* one byte */\n                aBytes[nIdx++] = nChr;\n            } else if (nChr < 0x800) {\n                /* two bytes */\n                aBytes[nIdx++] = 192 + (nChr >>> 6);\n                aBytes[nIdx++] = 128 + (nChr & 63);\n            } else if (nChr < 0x10000) {\n                /* three bytes */\n                aBytes[nIdx++] = 224 + (nChr >>> 12);\n                aBytes[nIdx++] = 128 + (nChr >>> 6 & 63);\n                aBytes[nIdx++] = 128 + (nChr & 63);\n            } else if (nChr < 0x200000) {\n                /* four bytes */\n                aBytes[nIdx++] = 240 + (nChr >>> 18);\n                aBytes[nIdx++] = 128 + (nChr >>> 12 & 63);\n                aBytes[nIdx++] = 128 + (nChr >>> 6 & 63);\n                aBytes[nIdx++] = 128 + (nChr & 63);\n            } else if (nChr < 0x4000000) {\n                /* five bytes */\n                aBytes[nIdx++] = 248 + (nChr >>> 24);\n                aBytes[nIdx++] = 128 + (nChr >>> 18 & 63);\n                aBytes[nIdx++] = 128 + (nChr >>> 12 & 63);\n                aBytes[nIdx++] = 128 + (nChr >>> 6 & 63);\n                aBytes[nIdx++] = 128 + (nChr & 63);\n            } else /* if (nChr <= 0x7fffffff) */ {\n                /* six bytes */\n                aBytes[nIdx++] = 252 + (nChr >>> 30);\n                aBytes[nIdx++] = 128 + (nChr >>> 24 & 63);\n                aBytes[nIdx++] = 128 + (nChr >>> 18 & 63);\n                aBytes[nIdx++] = 128 + (nChr >>> 12 & 63);\n                aBytes[nIdx++] = 128 + (nChr >>> 6 & 63);\n                aBytes[nIdx++] = 128 + (nChr & 63);\n            }\n        }\n\n        return aBytes;      \n    }\n\n    /**\n     * Converst string to ArrayBuffer\n     * @param dataString \n     */\n    static stringToArrayBuffer(dataString: string): ArrayBuffer {\n        const data = new ArrayBuffer(dataString.length);\n        const dataView = new Uint8Array(data);\n        for (let i: number = 0; i < dataString.length; i++) {\n            dataView[i] = dataString.charCodeAt(i);\n        }\n        return data;\n    }\n\n    /**\n     * Converts Uint8Array to a string\n     * @param aBytes \n     */\n    static utf8ArrToString (aBytes: Uint8Array): string {\n        let sView = Constants.EMPTY_STRING;\n        for (let nPart, nLen = aBytes.length, nIdx = 0; nIdx < nLen; nIdx++) {\n            nPart = aBytes[nIdx];\n            sView += String.fromCharCode(\n                nPart > 251 && nPart < 254 && nIdx + 5 < nLen ? /* six bytes */\n                    /* (nPart - 252 << 30) may be not so safe in ECMAScript! So...: */\n                    (nPart - 252) * 1073741824 + (aBytes[++nIdx] - 128 << 24) + (aBytes[++nIdx] - 128 << 18) + (aBytes[++nIdx] - 128 << 12) + (aBytes[++nIdx] - 128 << 6) + aBytes[++nIdx] - 128\n                    : nPart > 247 && nPart < 252 && nIdx + 4 < nLen ? /* five bytes */\n                        (nPart - 248 << 24) + (aBytes[++nIdx] - 128 << 18) + (aBytes[++nIdx] - 128 << 12) + (aBytes[++nIdx] - 128 << 6) + aBytes[++nIdx] - 128\n                        : nPart > 239 && nPart < 248 && nIdx + 3 < nLen ? /* four bytes */\n                            (nPart - 240 << 18) + (aBytes[++nIdx] - 128 << 12) + (aBytes[++nIdx] - 128 << 6) + aBytes[++nIdx] - 128\n                            : nPart > 223 && nPart < 240 && nIdx + 2 < nLen ? /* three bytes */\n                                (nPart - 224 << 12) + (aBytes[++nIdx] - 128 << 6) + aBytes[++nIdx] - 128\n                                : nPart > 191 && nPart < 224 && nIdx + 1 < nLen ? /* two bytes */\n                                    (nPart - 192 << 6) + aBytes[++nIdx] - 128\n                                    : /* nPart < 127 ? */ /* one byte */\n                                    nPart\n            );\n        }\n        return sView;\n    }\n\n    /**\n     * Returns stringified jwk.\n     * @param jwk \n     */\n    static getSortedObjectString(obj: object): string {\n        return JSON.stringify(obj, Object.keys(obj).sort());\n    }\n}\n"],"names":[],"mappings":";;;;AAAA;;;;AAOA;;;;;IAIA;KA4GC;;;;;IAtGU,kCAAe,GAAtB,UAAwB,OAAe;QACnC,IAAI,IAAI,CAAC;QACT,IAAI,OAAO,GAAG,CAAC,CAAC;QAChB,IAAM,OAAO,GAAG,OAAO,CAAC,MAAM,CAAC;;QAE/B,KAAK,IAAI,OAAO,GAAG,CAAC,EAAE,OAAO,GAAG,OAAO,EAAE,OAAO,EAAE,EAAE;YAChD,IAAI,GAAG,OAAO,CAAC,UAAU,CAAC,OAAO,CAAC,CAAC;YACnC,OAAO,IAAI,IAAI,GAAG,IAAI,GAAG,CAAC,GAAG,IAAI,GAAG,KAAK,GAAG,CAAC,GAAG,IAAI,GAAG,OAAO,GAAG,CAAC,GAAG,IAAI,GAAG,QAAQ,GAAG,CAAC,GAAG,IAAI,GAAG,SAAS,GAAG,CAAC,GAAG,CAAC,CAAC;SACvH;QAED,IAAM,MAAM,GAAG,IAAI,UAAU,CAAC,OAAO,CAAC,CAAC;;QAIvC,KAAK,IAAI,IAAI,GAAG,CAAC,EAAE,OAAO,GAAG,CAAC,EAAE,IAAI,GAAG,OAAO,EAAE,OAAO,EAAE,EAAE;YACvD,IAAI,GAAG,OAAO,CAAC,UAAU,CAAC,OAAO,CAAC,CAAC;YACnC,IAAI,IAAI,GAAG,GAAG,EAAE;;gBAEZ,MAAM,CAAC,IAAI,EAAE,CAAC,GAAG,IAAI,CAAC;aACzB;iBAAM,IAAI,IAAI,GAAG,KAAK,EAAE;;gBAErB,MAAM,CAAC,IAAI,EAAE,CAAC,GAAG,GAAG,IAAI,IAAI,KAAK,CAAC,CAAC,CAAC;gBACpC,MAAM,CAAC,IAAI,EAAE,CAAC,GAAG,GAAG,IAAI,IAAI,GAAG,EAAE,CAAC,CAAC;aACtC;iBAAM,IAAI,IAAI,GAAG,OAAO,EAAE;;gBAEvB,MAAM,CAAC,IAAI,EAAE,CAAC,GAAG,GAAG,IAAI,IAAI,KAAK,EAAE,CAAC,CAAC;gBACrC,MAAM,CAAC,IAAI,EAAE,CAAC,GAAG,GAAG,IAAI,IAAI,KAAK,CAAC,GAAG,EAAE,CAAC,CAAC;gBACzC,MAAM,CAAC,IAAI,EAAE,CAAC,GAAG,GAAG,IAAI,IAAI,GAAG,EAAE,CAAC,CAAC;aACtC;iBAAM,IAAI,IAAI,GAAG,QAAQ,EAAE;;gBAExB,MAAM,CAAC,IAAI,EAAE,CAAC,GAAG,GAAG,IAAI,IAAI,KAAK,EAAE,CAAC,CAAC;gBACrC,MAAM,CAAC,IAAI,EAAE,CAAC,GAAG,GAAG,IAAI,IAAI,KAAK,EAAE,GAAG,EAAE,CAAC,CAAC;gBAC1C,MAAM,CAAC,IAAI,EAAE,CAAC,GAAG,GAAG,IAAI,IAAI,KAAK,CAAC,GAAG,EAAE,CAAC,CAAC;gBACzC,MAAM,CAAC,IAAI,EAAE,CAAC,GAAG,GAAG,IAAI,IAAI,GAAG,EAAE,CAAC,CAAC;aACtC;iBAAM,IAAI,IAAI,GAAG,SAAS,EAAE;;gBAEzB,MAAM,CAAC,IAAI,EAAE,CAAC,GAAG,GAAG,IAAI,IAAI,KAAK,EAAE,CAAC,CAAC;gBACrC,MAAM,CAAC,IAAI,EAAE,CAAC,GAAG,GAAG,IAAI,IAAI,KAAK,EAAE,GAAG,EAAE,CAAC,CAAC;gBAC1C,MAAM,CAAC,IAAI,EAAE,CAAC,GAAG,GAAG,IAAI,IAAI,KAAK,EAAE,GAAG,EAAE,CAAC,CAAC;gBAC1C,MAAM,CAAC,IAAI,EAAE,CAAC,GAAG,GAAG,IAAI,IAAI,KAAK,CAAC,GAAG,EAAE,CAAC,CAAC;gBACzC,MAAM,CAAC,IAAI,EAAE,CAAC,GAAG,GAAG,IAAI,IAAI,GAAG,EAAE,CAAC,CAAC;aACtC;+CAAoC;;gBAEjC,MAAM,CAAC,IAAI,EAAE,CAAC,GAAG,GAAG,IAAI,IAAI,KAAK,EAAE,CAAC,CAAC;gBACrC,MAAM,CAAC,IAAI,EAAE,CAAC,GAAG,GAAG,IAAI,IAAI,KAAK,EAAE,GAAG,EAAE,CAAC,CAAC;gBAC1C,MAAM,CAAC,IAAI,EAAE,CAAC,GAAG,GAAG,IAAI,IAAI,KAAK,EAAE,GAAG,EAAE,CAAC,CAAC;gBAC1C,MAAM,CAAC,IAAI,EAAE,CAAC,GAAG,GAAG,IAAI,IAAI,KAAK,EAAE,GAAG,EAAE,CAAC,CAAC;gBAC1C,MAAM,CAAC,IAAI,EAAE,CAAC,GAAG,GAAG,IAAI,IAAI,KAAK,CAAC,GAAG,EAAE,CAAC,CAAC;gBACzC,MAAM,CAAC,IAAI,EAAE,CAAC,GAAG,GAAG,IAAI,IAAI,GAAG,EAAE,CAAC,CAAC;aACtC;SACJ;QAED,OAAO,MAAM,CAAC;KACjB;;;;;IAMM,sCAAmB,GAA1B,UAA2B,UAAkB;QACzC,IAAM,IAAI,GAAG,IAAI,WAAW,CAAC,UAAU,CAAC,MAAM,CAAC,CAAC;QAChD,IAAM,QAAQ,GAAG,IAAI,UAAU,CAAC,IAAI,CAAC,CAAC;QACtC,KAAK,IAAI,CAAC,GAAW,CAAC,EAAE,CAAC,GAAG,UAAU,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;YAChD,QAAQ,CAAC,CAAC,CAAC,GAAG,UAAU,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC;SAC1C;QACD,OAAO,IAAI,CAAC;KACf;;;;;IAMM,kCAAe,GAAtB,UAAwB,MAAkB;QACtC,IAAI,KAAK,GAAG,SAAS,CAAC,YAAY,CAAC;QACnC,KAAK,IAAI,KAAK,SAAA,EAAE,IAAI,GAAG,MAAM,CAAC,MAAM,EAAE,IAAI,GAAG,CAAC,EAAE,IAAI,GAAG,IAAI,EAAE,IAAI,EAAE,EAAE;YACjE,KAAK,GAAG,MAAM,CAAC,IAAI,CAAC,CAAC;YACrB,KAAK,IAAI,MAAM,CAAC,YAAY,CACxB,KAAK,GAAG,GAAG,IAAI,KAAK,GAAG,GAAG,IAAI,IAAI,GAAG,CAAC,GAAG,IAAI;;gBAEzC,CAAC,KAAK,GAAG,GAAG,IAAI,UAAU,IAAI,MAAM,CAAC,EAAE,IAAI,CAAC,GAAG,GAAG,IAAI,EAAE,CAAC,IAAI,MAAM,CAAC,EAAE,IAAI,CAAC,GAAG,GAAG,IAAI,EAAE,CAAC,IAAI,MAAM,CAAC,EAAE,IAAI,CAAC,GAAG,GAAG,IAAI,EAAE,CAAC,IAAI,MAAM,CAAC,EAAE,IAAI,CAAC,GAAG,GAAG,IAAI,CAAC,CAAC,GAAG,MAAM,CAAC,EAAE,IAAI,CAAC,GAAG,GAAG;kBAC1K,KAAK,GAAG,GAAG,IAAI,KAAK,GAAG,GAAG,IAAI,IAAI,GAAG,CAAC,GAAG,IAAI;oBAC3C,CAAC,KAAK,GAAG,GAAG,IAAI,EAAE,KAAK,MAAM,CAAC,EAAE,IAAI,CAAC,GAAG,GAAG,IAAI,EAAE,CAAC,IAAI,MAAM,CAAC,EAAE,IAAI,CAAC,GAAG,GAAG,IAAI,EAAE,CAAC,IAAI,MAAM,CAAC,EAAE,IAAI,CAAC,GAAG,GAAG,IAAI,CAAC,CAAC,GAAG,MAAM,CAAC,EAAE,IAAI,CAAC,GAAG,GAAG;sBACpI,KAAK,GAAG,GAAG,IAAI,KAAK,GAAG,GAAG,IAAI,IAAI,GAAG,CAAC,GAAG,IAAI;wBAC3C,CAAC,KAAK,GAAG,GAAG,IAAI,EAAE,KAAK,MAAM,CAAC,EAAE,IAAI,CAAC,GAAG,GAAG,IAAI,EAAE,CAAC,IAAI,MAAM,CAAC,EAAE,IAAI,CAAC,GAAG,GAAG,IAAI,CAAC,CAAC,GAAG,MAAM,CAAC,EAAE,IAAI,CAAC,GAAG,GAAG;0BACrG,KAAK,GAAG,GAAG,IAAI,KAAK,GAAG,GAAG,IAAI,IAAI,GAAG,CAAC,GAAG,IAAI;4BAC3C,CAAC,KAAK,GAAG,GAAG,IAAI,EAAE,KAAK,MAAM,CAAC,EAAE,IAAI,CAAC,GAAG,GAAG,IAAI,CAAC,CAAC,GAAG,MAAM,CAAC,EAAE,IAAI,CAAC,GAAG,GAAG;8BACtE,KAAK,GAAG,GAAG,IAAI,KAAK,GAAG,GAAG,IAAI,IAAI,GAAG,CAAC,GAAG,IAAI;gCAC3C,CAAC,KAAK,GAAG,GAAG,IAAI,CAAC,IAAI,MAAM,CAAC,EAAE,IAAI,CAAC,GAAG,GAAG;;oCAEzC,KAAK,CAC5B,CAAC;SACL;QACD,OAAO,KAAK,CAAC;KAChB;;;;;IAMM,wCAAqB,GAA5B,UAA6B,GAAW;QACpC,OAAO,IAAI,CAAC,SAAS,CAAC,GAAG,EAAE,MAAM,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC,IAAI,EAAE,CAAC,CAAC;KACvD;IACL,yBAAC;AAAD,CAAC;;;;"}