From b49bd10173f1d24fae42e69dcb44ba21f67c2309 Mon Sep 17 00:00:00 2001 From: PramSin Date: Mon, 29 Apr 2024 21:22:18 +0800 Subject: [PATCH] fix: timetable unable to load for postgraduates --- lib/model/time_table.dart | 1 + .../postgraduate_timetable_repository.dart | 212 +++++++++++++++++- 2 files changed, 212 insertions(+), 1 deletion(-) diff --git a/lib/model/time_table.dart b/lib/model/time_table.dart index e7a92bd97..e15b81b97 100644 --- a/lib/model/time_table.dart +++ b/lib/model/time_table.dart @@ -341,6 +341,7 @@ class Course { return newCourse ..courseName = PGPart["KCMC"] ..roomName = PGPart["JASMC"] + ..roomName ??= ' ' // The 0th digit of Postgraduates ZCBH mean the 1st week. Add a prefix zero to work with [_parseWeeksFromString]. ..availableWeeks = _parseWeeksFromString("0" + PGPart["ZCBH"]) ..times = [CourseTime(PGPart["XQ"] - 1, PGPart["KSJCDM"] - 1)] diff --git a/lib/repository/fdu/postgraduate_timetable_repository.dart b/lib/repository/fdu/postgraduate_timetable_repository.dart index 3e6d223d8..a5f6a646c 100644 --- a/lib/repository/fdu/postgraduate_timetable_repository.dart +++ b/lib/repository/fdu/postgraduate_timetable_repository.dart @@ -1070,5 +1070,215 @@ function w(D) { } return G } -o(atob("PASSWORD")) + +"use strict"; +// Array of bytes to Base64 string decoding +function b64ToUint6(nChr) { + return nChr > 64 && nChr < 91 + ? nChr - 65 + : nChr > 96 && nChr < 123 + ? nChr - 71 + : nChr > 47 && nChr < 58 + ? nChr + 4 + : nChr === 43 + ? 62 + : nChr === 47 + ? 63 + : 0; +} + +function base64DecToArr(sBase64, nBlocksSize) { + const sB64Enc = sBase64.replace(/[^A-Za-z0-9+/]/g, ""); // Remove any non-base64 characters, such as trailing "=", whitespace, and more. + const nInLen = sB64Enc.length; + const nOutLen = nBlocksSize + ? Math.ceil(((nInLen * 3 + 1) >> 2) / nBlocksSize) * nBlocksSize + : (nInLen * 3 + 1) >> 2; + const taBytes = new Uint8Array(nOutLen); + + let nMod3; + let nMod4; + let nUint24 = 0; + let nOutIdx = 0; + for (let nInIdx = 0; nInIdx < nInLen; nInIdx++) { + nMod4 = nInIdx & 3; + nUint24 |= b64ToUint6(sB64Enc.charCodeAt(nInIdx)) << (6 * (3 - nMod4)); + if (nMod4 === 3 || nInLen - nInIdx === 1) { + nMod3 = 0; + while (nMod3 < 3 && nOutIdx < nOutLen) { + taBytes[nOutIdx] = (nUint24 >>> ((16 >>> nMod3) & 24)) & 255; + nMod3++; + nOutIdx++; + } + nUint24 = 0; + } + } + + return taBytes; +} + +/* Base64 string to array encoding */ +function uint6ToB64(nUint6) { + return nUint6 < 26 + ? nUint6 + 65 + : nUint6 < 52 + ? nUint6 + 71 + : nUint6 < 62 + ? nUint6 - 4 + : nUint6 === 62 + ? 43 + : nUint6 === 63 + ? 47 + : 65; +} + +function base64EncArr(aBytes) { + let nMod3 = 2; + let sB64Enc = ""; + + const nLen = aBytes.length; + let nUint24 = 0; + for (let nIdx = 0; nIdx < nLen; nIdx++) { + nMod3 = nIdx % 3; + + nUint24 |= aBytes[nIdx] << ((16 >>> nMod3) & 24); + if (nMod3 === 2 || aBytes.length - nIdx === 1) { + sB64Enc += String.fromCodePoint( + uint6ToB64((nUint24 >>> 18) & 63), + uint6ToB64((nUint24 >>> 12) & 63), + uint6ToB64((nUint24 >>> 6) & 63), + uint6ToB64(nUint24 & 63), + ); + nUint24 = 0; + } + } + return ( + sB64Enc.substring(0, sB64Enc.length - 2 + nMod3) + + (nMod3 === 2 ? "" : nMod3 === 1 ? "=" : "==") + ); +} + +/* UTF-8 array to JS string and vice versa */ + +function UTF8ArrToStr(aBytes) { + let sView = ""; + let nPart; + const nLen = aBytes.length; + for (let nIdx = 0; nIdx < nLen; nIdx++) { + nPart = aBytes[nIdx]; + sView += String.fromCodePoint( + nPart > 251 && nPart < 254 && nIdx + 5 < nLen /* six bytes */ + ? /* (nPart - 252 << 30) may be not so safe in ECMAScript! So…: */ + (nPart - 252) * 1073741824 + + ((aBytes[++nIdx] - 128) << 24) + + ((aBytes[++nIdx] - 128) << 18) + + ((aBytes[++nIdx] - 128) << 12) + + ((aBytes[++nIdx] - 128) << 6) + + aBytes[++nIdx] - + 128 + : nPart > 247 && nPart < 252 && nIdx + 4 < nLen /* five bytes */ + ? ((nPart - 248) << 24) + + ((aBytes[++nIdx] - 128) << 18) + + ((aBytes[++nIdx] - 128) << 12) + + ((aBytes[++nIdx] - 128) << 6) + + aBytes[++nIdx] - + 128 + : nPart > 239 && nPart < 248 && nIdx + 3 < nLen /* four bytes */ + ? ((nPart - 240) << 18) + + ((aBytes[++nIdx] - 128) << 12) + + ((aBytes[++nIdx] - 128) << 6) + + aBytes[++nIdx] - + 128 + : nPart > 223 && nPart < 240 && nIdx + 2 < nLen /* three bytes */ + ? ((nPart - 224) << 12) + + ((aBytes[++nIdx] - 128) << 6) + + aBytes[++nIdx] - + 128 + : nPart > 191 && nPart < 224 && nIdx + 1 < nLen /* two bytes */ + ? ((nPart - 192) << 6) + aBytes[++nIdx] - 128 + : /* nPart < 127 ? */ /* one byte */ + nPart, + ); + } + return sView; +} + +function strToUTF8Arr(sDOMStr) { + let aBytes; + let nChr; + const nStrLen = sDOMStr.length; + let nArrLen = 0; + + /* mapping… */ + for (let nMapIdx = 0; nMapIdx < nStrLen; nMapIdx++) { + nChr = sDOMStr.codePointAt(nMapIdx); + + if (nChr >= 0x10000) { + nMapIdx++; + } + + nArrLen += + nChr < 0x80 + ? 1 + : nChr < 0x800 + ? 2 + : nChr < 0x10000 + ? 3 + : nChr < 0x200000 + ? 4 + : nChr < 0x4000000 + ? 5 + : 6; + } + + aBytes = new Uint8Array(nArrLen); + + /* transcription… */ + let nIdx = 0; + let nChrIdx = 0; + while (nIdx < nArrLen) { + nChr = sDOMStr.codePointAt(nChrIdx); + if (nChr < 128) { + /* one byte */ + aBytes[nIdx++] = nChr; + } else if (nChr < 0x800) { + /* two bytes */ + aBytes[nIdx++] = 192 + (nChr >>> 6); + aBytes[nIdx++] = 128 + (nChr & 63); + } else if (nChr < 0x10000) { + /* three bytes */ + aBytes[nIdx++] = 224 + (nChr >>> 12); + aBytes[nIdx++] = 128 + ((nChr >>> 6) & 63); + aBytes[nIdx++] = 128 + (nChr & 63); + } else if (nChr < 0x200000) { + /* four bytes */ + aBytes[nIdx++] = 240 + (nChr >>> 18); + aBytes[nIdx++] = 128 + ((nChr >>> 12) & 63); + aBytes[nIdx++] = 128 + ((nChr >>> 6) & 63); + aBytes[nIdx++] = 128 + (nChr & 63); + nChrIdx++; + } else if (nChr < 0x4000000) { + /* five bytes */ + aBytes[nIdx++] = 248 + (nChr >>> 24); + aBytes[nIdx++] = 128 + ((nChr >>> 18) & 63); + aBytes[nIdx++] = 128 + ((nChr >>> 12) & 63); + aBytes[nIdx++] = 128 + ((nChr >>> 6) & 63); + aBytes[nIdx++] = 128 + (nChr & 63); + nChrIdx++; + } /* if (nChr <= 0x7fffffff) */ else { + /* six bytes */ + aBytes[nIdx++] = 252 + (nChr >>> 30); + aBytes[nIdx++] = 128 + ((nChr >>> 24) & 63); + aBytes[nIdx++] = 128 + ((nChr >>> 18) & 63); + aBytes[nIdx++] = 128 + ((nChr >>> 12) & 63); + aBytes[nIdx++] = 128 + ((nChr >>> 6) & 63); + aBytes[nIdx++] = 128 + (nChr & 63); + nChrIdx++; + } + nChrIdx++; + } + + return aBytes; +} + +o(UTF8ArrToStr(base64DecToArr("PASSWORD"))) ''';