From dddb8a4ac0fea31e89d6c317675ca25c67603204 Mon Sep 17 00:00:00 2001 From: juzeon <812312770@qq.com> Date: Wed, 22 Dec 2021 22:28:40 +0800 Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E4=BB=A3=E7=A0=81?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .gitignore | 1 + des.js | 1029 ++++++++++++++++++++++++++++++++++++++++++++++++++++ go.mod | 14 + go.sum | 29 ++ main.go | 159 ++++++++ network.go | 39 ++ util.go | 26 ++ 7 files changed, 1297 insertions(+) create mode 100644 .gitignore create mode 100644 des.js create mode 100644 go.mod create mode 100644 go.sum create mode 100644 main.go create mode 100644 network.go create mode 100644 util.go diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..3552451 --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +.idea diff --git a/des.js b/des.js new file mode 100644 index 0000000..da4ddc8 --- /dev/null +++ b/des.js @@ -0,0 +1,1029 @@ +/** + * DES加密解密 + * @Copyright Copyright (c) 2006 + * @author Guapo + * @see DESCore + */ + +/* +* encrypt the string to string made up of hex +* return the encrypted string +*/ +function strEnc(data, firstKey, secondKey, thirdKey) { + + var leng = data.length; + var encData = ""; + var firstKeyBt, secondKeyBt, thirdKeyBt, firstLength, secondLength, thirdLength; + if (firstKey != null && firstKey != "") { + firstKeyBt = getKeyBytes(firstKey); + firstLength = firstKeyBt.length; + } + if (secondKey != null && secondKey != "") { + secondKeyBt = getKeyBytes(secondKey); + secondLength = secondKeyBt.length; + } + if (thirdKey != null && thirdKey != "") { + thirdKeyBt = getKeyBytes(thirdKey); + thirdLength = thirdKeyBt.length; + } + + if (leng > 0) { + if (leng < 4) { + var bt = strToBt(data); + var encByte; + if (firstKey != null && firstKey != "" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != "") { + var tempBt; + var x, y, z; + tempBt = bt; + for (x = 0; x < firstLength; x++) { + tempBt = enc(tempBt, firstKeyBt[x]); + } + for (y = 0; y < secondLength; y++) { + tempBt = enc(tempBt, secondKeyBt[y]); + } + for (z = 0; z < thirdLength; z++) { + tempBt = enc(tempBt, thirdKeyBt[z]); + } + encByte = tempBt; + } else { + if (firstKey != null && firstKey != "" && secondKey != null && secondKey != "") { + var tempBt; + var x, y; + tempBt = bt; + for (x = 0; x < firstLength; x++) { + tempBt = enc(tempBt, firstKeyBt[x]); + } + for (y = 0; y < secondLength; y++) { + tempBt = enc(tempBt, secondKeyBt[y]); + } + encByte = tempBt; + } else { + if (firstKey != null && firstKey != "") { + var tempBt; + var x = 0; + tempBt = bt; + for (x = 0; x < firstLength; x++) { + tempBt = enc(tempBt, firstKeyBt[x]); + } + encByte = tempBt; + } + } + } + encData = bt64ToHex(encByte); + } else { + var iterator = parseInt(leng / 4); + var remainder = leng % 4; + var i = 0; + for (i = 0; i < iterator; i++) { + var tempData = data.substring(i * 4 + 0, i * 4 + 4); + var tempByte = strToBt(tempData); + var encByte; + if (firstKey != null && firstKey != "" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != "") { + var tempBt; + var x, y, z; + tempBt = tempByte; + for (x = 0; x < firstLength; x++) { + tempBt = enc(tempBt, firstKeyBt[x]); + } + for (y = 0; y < secondLength; y++) { + tempBt = enc(tempBt, secondKeyBt[y]); + } + for (z = 0; z < thirdLength; z++) { + tempBt = enc(tempBt, thirdKeyBt[z]); + } + encByte = tempBt; + } else { + if (firstKey != null && firstKey != "" && secondKey != null && secondKey != "") { + var tempBt; + var x, y; + tempBt = tempByte; + for (x = 0; x < firstLength; x++) { + tempBt = enc(tempBt, firstKeyBt[x]); + } + for (y = 0; y < secondLength; y++) { + tempBt = enc(tempBt, secondKeyBt[y]); + } + encByte = tempBt; + } else { + if (firstKey != null && firstKey != "") { + var tempBt; + var x; + tempBt = tempByte; + for (x = 0; x < firstLength; x++) { + tempBt = enc(tempBt, firstKeyBt[x]); + } + encByte = tempBt; + } + } + } + encData += bt64ToHex(encByte); + } + if (remainder > 0) { + var remainderData = data.substring(iterator * 4 + 0, leng); + var tempByte = strToBt(remainderData); + var encByte; + if (firstKey != null && firstKey != "" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != "") { + var tempBt; + var x, y, z; + tempBt = tempByte; + for (x = 0; x < firstLength; x++) { + tempBt = enc(tempBt, firstKeyBt[x]); + } + for (y = 0; y < secondLength; y++) { + tempBt = enc(tempBt, secondKeyBt[y]); + } + for (z = 0; z < thirdLength; z++) { + tempBt = enc(tempBt, thirdKeyBt[z]); + } + encByte = tempBt; + } else { + if (firstKey != null && firstKey != "" && secondKey != null && secondKey != "") { + var tempBt; + var x, y; + tempBt = tempByte; + for (x = 0; x < firstLength; x++) { + tempBt = enc(tempBt, firstKeyBt[x]); + } + for (y = 0; y < secondLength; y++) { + tempBt = enc(tempBt, secondKeyBt[y]); + } + encByte = tempBt; + } else { + if (firstKey != null && firstKey != "") { + var tempBt; + var x; + tempBt = tempByte; + for (x = 0; x < firstLength; x++) { + tempBt = enc(tempBt, firstKeyBt[x]); + } + encByte = tempBt; + } + } + } + encData += bt64ToHex(encByte); + } + } + } + return encData; +} + +/* +* decrypt the encrypted string to the original string +* +* return the original string +*/ +function strDec(data, firstKey, secondKey, thirdKey) { + var leng = data.length; + var decStr = ""; + var firstKeyBt, secondKeyBt, thirdKeyBt, firstLength, secondLength, thirdLength; + if (firstKey != null && firstKey != "") { + firstKeyBt = getKeyBytes(firstKey); + firstLength = firstKeyBt.length; + } + if (secondKey != null && secondKey != "") { + secondKeyBt = getKeyBytes(secondKey); + secondLength = secondKeyBt.length; + } + if (thirdKey != null && thirdKey != "") { + thirdKeyBt = getKeyBytes(thirdKey); + thirdLength = thirdKeyBt.length; + } + + var iterator = parseInt(leng / 16); + var i = 0; + for (i = 0; i < iterator; i++) { + var tempData = data.substring(i * 16 + 0, i * 16 + 16); + var strByte = hexToBt64(tempData); + var intByte = new Array(64); + var j = 0; + for (j = 0; j < 64; j++) { + intByte[j] = parseInt(strByte.substring(j, j + 1)); + } + var decByte; + if (firstKey != null && firstKey != "" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != "") { + var tempBt; + var x, y, z; + tempBt = intByte; + for (x = thirdLength - 1; x >= 0; x--) { + tempBt = dec(tempBt, thirdKeyBt[x]); + } + for (y = secondLength - 1; y >= 0; y--) { + tempBt = dec(tempBt, secondKeyBt[y]); + } + for (z = firstLength - 1; z >= 0; z--) { + tempBt = dec(tempBt, firstKeyBt[z]); + } + decByte = tempBt; + } else { + if (firstKey != null && firstKey != "" && secondKey != null && secondKey != "") { + var tempBt; + var x, y, z; + tempBt = intByte; + for (x = secondLength - 1; x >= 0; x--) { + tempBt = dec(tempBt, secondKeyBt[x]); + } + for (y = firstLength - 1; y >= 0; y--) { + tempBt = dec(tempBt, firstKeyBt[y]); + } + decByte = tempBt; + } else { + if (firstKey != null && firstKey != "") { + var tempBt; + var x, y, z; + tempBt = intByte; + for (x = firstLength - 1; x >= 0; x--) { + tempBt = dec(tempBt, firstKeyBt[x]); + } + decByte = tempBt; + } + } + } + decStr += byteToString(decByte); + } + return decStr; +} + +/* +* chang the string into the bit array +* +* return bit array(it's length % 64 = 0) +*/ +function getKeyBytes(key) { + var keyBytes = new Array(); + var leng = key.length; + var iterator = parseInt(leng / 4); + var remainder = leng % 4; + var i = 0; + for (i = 0; i < iterator; i++) { + keyBytes[i] = strToBt(key.substring(i * 4 + 0, i * 4 + 4)); + } + if (remainder > 0) { + keyBytes[i] = strToBt(key.substring(i * 4 + 0, leng)); + } + return keyBytes; +} + +/* +* chang the string(it's length <= 4) into the bit array +* +* return bit array(it's length = 64) +*/ +function strToBt(str) { + var leng = str.length; + var bt = new Array(64); + if (leng < 4) { + var i = 0, j = 0, p = 0, q = 0; + for (i = 0; i < leng; i++) { + var k = str.charCodeAt(i); + for (j = 0; j < 16; j++) { + var pow = 1, m = 0; + for (m = 15; m > j; m--) { + pow *= 2; + } + bt[16 * i + j] = parseInt(k / pow) % 2; + } + } + for (p = leng; p < 4; p++) { + var k = 0; + for (q = 0; q < 16; q++) { + var pow = 1, m = 0; + for (m = 15; m > q; m--) { + pow *= 2; + } + bt[16 * p + q] = parseInt(k / pow) % 2; + } + } + } else { + for (i = 0; i < 4; i++) { + var k = str.charCodeAt(i); + for (j = 0; j < 16; j++) { + var pow = 1; + for (m = 15; m > j; m--) { + pow *= 2; + } + bt[16 * i + j] = parseInt(k / pow) % 2; + } + } + } + return bt; +} + +/* +* chang the bit(it's length = 4) into the hex +* +* return hex +*/ +function bt4ToHex(binary) { + var hex; + switch (binary) { + case "0000" : + hex = "0"; + break; + case "0001" : + hex = "1"; + break; + case "0010" : + hex = "2"; + break; + case "0011" : + hex = "3"; + break; + case "0100" : + hex = "4"; + break; + case "0101" : + hex = "5"; + break; + case "0110" : + hex = "6"; + break; + case "0111" : + hex = "7"; + break; + case "1000" : + hex = "8"; + break; + case "1001" : + hex = "9"; + break; + case "1010" : + hex = "A"; + break; + case "1011" : + hex = "B"; + break; + case "1100" : + hex = "C"; + break; + case "1101" : + hex = "D"; + break; + case "1110" : + hex = "E"; + break; + case "1111" : + hex = "F"; + break; + } + return hex; +} + +/* +* chang the hex into the bit(it's length = 4) +* +* return the bit(it's length = 4) +*/ +function hexToBt4(hex) { + var binary; + switch (hex) { + case "0" : + binary = "0000"; + break; + case "1" : + binary = "0001"; + break; + case "2" : + binary = "0010"; + break; + case "3" : + binary = "0011"; + break; + case "4" : + binary = "0100"; + break; + case "5" : + binary = "0101"; + break; + case "6" : + binary = "0110"; + break; + case "7" : + binary = "0111"; + break; + case "8" : + binary = "1000"; + break; + case "9" : + binary = "1001"; + break; + case "A" : + binary = "1010"; + break; + case "B" : + binary = "1011"; + break; + case "C" : + binary = "1100"; + break; + case "D" : + binary = "1101"; + break; + case "E" : + binary = "1110"; + break; + case "F" : + binary = "1111"; + break; + } + return binary; +} + +/* +* chang the bit(it's length = 64) into the string +* +* return string +*/ +function byteToString(byteData) { + var str = ""; + for (i = 0; i < 4; i++) { + var count = 0; + for (j = 0; j < 16; j++) { + var pow = 1; + for (m = 15; m > j; m--) { + pow *= 2; + } + count += byteData[16 * i + j] * pow; + } + if (count != 0) { + str += String.fromCharCode(count); + } + } + return str; +} + +function bt64ToHex(byteData) { + var hex = ""; + for (i = 0; i < 16; i++) { + var bt = ""; + for (j = 0; j < 4; j++) { + bt += byteData[i * 4 + j]; + } + hex += bt4ToHex(bt); + } + return hex; +} + +function hexToBt64(hex) { + var binary = ""; + for (i = 0; i < 16; i++) { + binary += hexToBt4(hex.substring(i, i + 1)); + } + return binary; +} + +/* +* the 64 bit des core arithmetic +*/ + +function enc(dataByte, keyByte) { + var keys = generateKeys(keyByte); + var ipByte = initPermute(dataByte); + var ipLeft = new Array(32); + var ipRight = new Array(32); + var tempLeft = new Array(32); + var i = 0, j = 0, k = 0, m = 0, n = 0; + for (k = 0; k < 32; k++) { + ipLeft[k] = ipByte[k]; + ipRight[k] = ipByte[32 + k]; + } + for (i = 0; i < 16; i++) { + for (j = 0; j < 32; j++) { + tempLeft[j] = ipLeft[j]; + ipLeft[j] = ipRight[j]; + } + var key = new Array(48); + for (m = 0; m < 48; m++) { + key[m] = keys[i][m]; + } + var tempRight = xor(pPermute(sBoxPermute(xor(expandPermute(ipRight), key))), tempLeft); + for (n = 0; n < 32; n++) { + ipRight[n] = tempRight[n]; + } + + } + + + var finalData = new Array(64); + for (i = 0; i < 32; i++) { + finalData[i] = ipRight[i]; + finalData[32 + i] = ipLeft[i]; + } + return finallyPermute(finalData); +} + +function dec(dataByte, keyByte) { + var keys = generateKeys(keyByte); + var ipByte = initPermute(dataByte); + var ipLeft = new Array(32); + var ipRight = new Array(32); + var tempLeft = new Array(32); + var i = 0, j = 0, k = 0, m = 0, n = 0; + for (k = 0; k < 32; k++) { + ipLeft[k] = ipByte[k]; + ipRight[k] = ipByte[32 + k]; + } + for (i = 15; i >= 0; i--) { + for (j = 0; j < 32; j++) { + tempLeft[j] = ipLeft[j]; + ipLeft[j] = ipRight[j]; + } + var key = new Array(48); + for (m = 0; m < 48; m++) { + key[m] = keys[i][m]; + } + + var tempRight = xor(pPermute(sBoxPermute(xor(expandPermute(ipRight), key))), tempLeft); + for (n = 0; n < 32; n++) { + ipRight[n] = tempRight[n]; + } + } + + + var finalData = new Array(64); + for (i = 0; i < 32; i++) { + finalData[i] = ipRight[i]; + finalData[32 + i] = ipLeft[i]; + } + return finallyPermute(finalData); +} + +function initPermute(originalData) { + var ipByte = new Array(64); + for (i = 0, m = 1, n = 0; i < 4; i++, m += 2, n += 2) { + for (j = 7, k = 0; j >= 0; j--, k++) { + ipByte[i * 8 + k] = originalData[j * 8 + m]; + ipByte[i * 8 + k + 32] = originalData[j * 8 + n]; + } + } + return ipByte; +} + +function expandPermute(rightData) { + var epByte = new Array(48); + for (i = 0; i < 8; i++) { + if (i == 0) { + epByte[i * 6 + 0] = rightData[31]; + } else { + epByte[i * 6 + 0] = rightData[i * 4 - 1]; + } + epByte[i * 6 + 1] = rightData[i * 4 + 0]; + epByte[i * 6 + 2] = rightData[i * 4 + 1]; + epByte[i * 6 + 3] = rightData[i * 4 + 2]; + epByte[i * 6 + 4] = rightData[i * 4 + 3]; + if (i == 7) { + epByte[i * 6 + 5] = rightData[0]; + } else { + epByte[i * 6 + 5] = rightData[i * 4 + 4]; + } + } + return epByte; +} + +function xor(byteOne, byteTwo) { + var xorByte = new Array(byteOne.length); + for (i = 0; i < byteOne.length; i++) { + xorByte[i] = byteOne[i] ^ byteTwo[i]; + } + return xorByte; +} + +function sBoxPermute(expandByte) { + + var sBoxByte = new Array(32); + var binary = ""; + var s1 = [ + [14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7], + [0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8], + [4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0], + [15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13]]; + + /* Table - s2 */ + var s2 = [ + [15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10], + [3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5], + [0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15], + [13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9]]; + + /* Table - s3 */ + var s3 = [ + [10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8], + [13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1], + [13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7], + [1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12]]; + /* Table - s4 */ + var s4 = [ + [7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15], + [13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9], + [10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4], + [3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14]]; + + /* Table - s5 */ + var s5 = [ + [2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9], + [14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6], + [4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14], + [11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3]]; + + /* Table - s6 */ + var s6 = [ + [12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11], + [10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8], + [9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6], + [4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13]]; + + /* Table - s7 */ + var s7 = [ + [4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1], + [13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6], + [1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2], + [6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12]]; + + /* Table - s8 */ + var s8 = [ + [13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7], + [1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2], + [7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8], + [2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11]]; + + for (m = 0; m < 8; m++) { + var i = 0, j = 0; + i = expandByte[m * 6 + 0] * 2 + expandByte[m * 6 + 5]; + j = expandByte[m * 6 + 1] * 2 * 2 * 2 + + expandByte[m * 6 + 2] * 2 * 2 + + expandByte[m * 6 + 3] * 2 + + expandByte[m * 6 + 4]; + switch (m) { + case 0 : + binary = getBoxBinary(s1[i][j]); + break; + case 1 : + binary = getBoxBinary(s2[i][j]); + break; + case 2 : + binary = getBoxBinary(s3[i][j]); + break; + case 3 : + binary = getBoxBinary(s4[i][j]); + break; + case 4 : + binary = getBoxBinary(s5[i][j]); + break; + case 5 : + binary = getBoxBinary(s6[i][j]); + break; + case 6 : + binary = getBoxBinary(s7[i][j]); + break; + case 7 : + binary = getBoxBinary(s8[i][j]); + break; + } + sBoxByte[m * 4 + 0] = parseInt(binary.substring(0, 1)); + sBoxByte[m * 4 + 1] = parseInt(binary.substring(1, 2)); + sBoxByte[m * 4 + 2] = parseInt(binary.substring(2, 3)); + sBoxByte[m * 4 + 3] = parseInt(binary.substring(3, 4)); + } + return sBoxByte; +} + +function pPermute(sBoxByte) { + var pBoxPermute = new Array(32); + pBoxPermute[0] = sBoxByte[15]; + pBoxPermute[1] = sBoxByte[6]; + pBoxPermute[2] = sBoxByte[19]; + pBoxPermute[3] = sBoxByte[20]; + pBoxPermute[4] = sBoxByte[28]; + pBoxPermute[5] = sBoxByte[11]; + pBoxPermute[6] = sBoxByte[27]; + pBoxPermute[7] = sBoxByte[16]; + pBoxPermute[8] = sBoxByte[0]; + pBoxPermute[9] = sBoxByte[14]; + pBoxPermute[10] = sBoxByte[22]; + pBoxPermute[11] = sBoxByte[25]; + pBoxPermute[12] = sBoxByte[4]; + pBoxPermute[13] = sBoxByte[17]; + pBoxPermute[14] = sBoxByte[30]; + pBoxPermute[15] = sBoxByte[9]; + pBoxPermute[16] = sBoxByte[1]; + pBoxPermute[17] = sBoxByte[7]; + pBoxPermute[18] = sBoxByte[23]; + pBoxPermute[19] = sBoxByte[13]; + pBoxPermute[20] = sBoxByte[31]; + pBoxPermute[21] = sBoxByte[26]; + pBoxPermute[22] = sBoxByte[2]; + pBoxPermute[23] = sBoxByte[8]; + pBoxPermute[24] = sBoxByte[18]; + pBoxPermute[25] = sBoxByte[12]; + pBoxPermute[26] = sBoxByte[29]; + pBoxPermute[27] = sBoxByte[5]; + pBoxPermute[28] = sBoxByte[21]; + pBoxPermute[29] = sBoxByte[10]; + pBoxPermute[30] = sBoxByte[3]; + pBoxPermute[31] = sBoxByte[24]; + return pBoxPermute; +} + +function finallyPermute(endByte) { + var fpByte = new Array(64); + fpByte[0] = endByte[39]; + fpByte[1] = endByte[7]; + fpByte[2] = endByte[47]; + fpByte[3] = endByte[15]; + fpByte[4] = endByte[55]; + fpByte[5] = endByte[23]; + fpByte[6] = endByte[63]; + fpByte[7] = endByte[31]; + fpByte[8] = endByte[38]; + fpByte[9] = endByte[6]; + fpByte[10] = endByte[46]; + fpByte[11] = endByte[14]; + fpByte[12] = endByte[54]; + fpByte[13] = endByte[22]; + fpByte[14] = endByte[62]; + fpByte[15] = endByte[30]; + fpByte[16] = endByte[37]; + fpByte[17] = endByte[5]; + fpByte[18] = endByte[45]; + fpByte[19] = endByte[13]; + fpByte[20] = endByte[53]; + fpByte[21] = endByte[21]; + fpByte[22] = endByte[61]; + fpByte[23] = endByte[29]; + fpByte[24] = endByte[36]; + fpByte[25] = endByte[4]; + fpByte[26] = endByte[44]; + fpByte[27] = endByte[12]; + fpByte[28] = endByte[52]; + fpByte[29] = endByte[20]; + fpByte[30] = endByte[60]; + fpByte[31] = endByte[28]; + fpByte[32] = endByte[35]; + fpByte[33] = endByte[3]; + fpByte[34] = endByte[43]; + fpByte[35] = endByte[11]; + fpByte[36] = endByte[51]; + fpByte[37] = endByte[19]; + fpByte[38] = endByte[59]; + fpByte[39] = endByte[27]; + fpByte[40] = endByte[34]; + fpByte[41] = endByte[2]; + fpByte[42] = endByte[42]; + fpByte[43] = endByte[10]; + fpByte[44] = endByte[50]; + fpByte[45] = endByte[18]; + fpByte[46] = endByte[58]; + fpByte[47] = endByte[26]; + fpByte[48] = endByte[33]; + fpByte[49] = endByte[1]; + fpByte[50] = endByte[41]; + fpByte[51] = endByte[9]; + fpByte[52] = endByte[49]; + fpByte[53] = endByte[17]; + fpByte[54] = endByte[57]; + fpByte[55] = endByte[25]; + fpByte[56] = endByte[32]; + fpByte[57] = endByte[0]; + fpByte[58] = endByte[40]; + fpByte[59] = endByte[8]; + fpByte[60] = endByte[48]; + fpByte[61] = endByte[16]; + fpByte[62] = endByte[56]; + fpByte[63] = endByte[24]; + return fpByte; +} + +function getBoxBinary(i) { + var binary = ""; + switch (i) { + case 0 : + binary = "0000"; + break; + case 1 : + binary = "0001"; + break; + case 2 : + binary = "0010"; + break; + case 3 : + binary = "0011"; + break; + case 4 : + binary = "0100"; + break; + case 5 : + binary = "0101"; + break; + case 6 : + binary = "0110"; + break; + case 7 : + binary = "0111"; + break; + case 8 : + binary = "1000"; + break; + case 9 : + binary = "1001"; + break; + case 10 : + binary = "1010"; + break; + case 11 : + binary = "1011"; + break; + case 12 : + binary = "1100"; + break; + case 13 : + binary = "1101"; + break; + case 14 : + binary = "1110"; + break; + case 15 : + binary = "1111"; + break; + } + return binary; +} + +/* +* generate 16 keys for xor +* +*/ +function generateKeys(keyByte) { + var key = new Array(56); + var keys = new Array(); + + keys[0] = new Array(); + keys[1] = new Array(); + keys[2] = new Array(); + keys[3] = new Array(); + keys[4] = new Array(); + keys[5] = new Array(); + keys[6] = new Array(); + keys[7] = new Array(); + keys[8] = new Array(); + keys[9] = new Array(); + keys[10] = new Array(); + keys[11] = new Array(); + keys[12] = new Array(); + keys[13] = new Array(); + keys[14] = new Array(); + keys[15] = new Array(); + var loop = [1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1]; + + for (i = 0; i < 7; i++) { + for (j = 0, k = 7; j < 8; j++, k--) { + key[i * 8 + j] = keyByte[8 * k + i]; + } + } + + var i = 0; + for (i = 0; i < 16; i++) { + var tempLeft = 0; + var tempRight = 0; + for (j = 0; j < loop[i]; j++) { + tempLeft = key[0]; + tempRight = key[28]; + for (k = 0; k < 27; k++) { + key[k] = key[k + 1]; + key[28 + k] = key[29 + k]; + } + key[27] = tempLeft; + key[55] = tempRight; + } + var tempKey = new Array(48); + tempKey[0] = key[13]; + tempKey[1] = key[16]; + tempKey[2] = key[10]; + tempKey[3] = key[23]; + tempKey[4] = key[0]; + tempKey[5] = key[4]; + tempKey[6] = key[2]; + tempKey[7] = key[27]; + tempKey[8] = key[14]; + tempKey[9] = key[5]; + tempKey[10] = key[20]; + tempKey[11] = key[9]; + tempKey[12] = key[22]; + tempKey[13] = key[18]; + tempKey[14] = key[11]; + tempKey[15] = key[3]; + tempKey[16] = key[25]; + tempKey[17] = key[7]; + tempKey[18] = key[15]; + tempKey[19] = key[6]; + tempKey[20] = key[26]; + tempKey[21] = key[19]; + tempKey[22] = key[12]; + tempKey[23] = key[1]; + tempKey[24] = key[40]; + tempKey[25] = key[51]; + tempKey[26] = key[30]; + tempKey[27] = key[36]; + tempKey[28] = key[46]; + tempKey[29] = key[54]; + tempKey[30] = key[29]; + tempKey[31] = key[39]; + tempKey[32] = key[50]; + tempKey[33] = key[44]; + tempKey[34] = key[32]; + tempKey[35] = key[47]; + tempKey[36] = key[43]; + tempKey[37] = key[48]; + tempKey[38] = key[38]; + tempKey[39] = key[55]; + tempKey[40] = key[33]; + tempKey[41] = key[52]; + tempKey[42] = key[45]; + tempKey[43] = key[41]; + tempKey[44] = key[49]; + tempKey[45] = key[35]; + tempKey[46] = key[28]; + tempKey[47] = key[31]; + switch (i) { + case 0: + for (m = 0; m < 48; m++) { + keys[0][m] = tempKey[m]; + } + break; + case 1: + for (m = 0; m < 48; m++) { + keys[1][m] = tempKey[m]; + } + break; + case 2: + for (m = 0; m < 48; m++) { + keys[2][m] = tempKey[m]; + } + break; + case 3: + for (m = 0; m < 48; m++) { + keys[3][m] = tempKey[m]; + } + break; + case 4: + for (m = 0; m < 48; m++) { + keys[4][m] = tempKey[m]; + } + break; + case 5: + for (m = 0; m < 48; m++) { + keys[5][m] = tempKey[m]; + } + break; + case 6: + for (m = 0; m < 48; m++) { + keys[6][m] = tempKey[m]; + } + break; + case 7: + for (m = 0; m < 48; m++) { + keys[7][m] = tempKey[m]; + } + break; + case 8: + for (m = 0; m < 48; m++) { + keys[8][m] = tempKey[m]; + } + break; + case 9: + for (m = 0; m < 48; m++) { + keys[9][m] = tempKey[m]; + } + break; + case 10: + for (m = 0; m < 48; m++) { + keys[10][m] = tempKey[m]; + } + break; + case 11: + for (m = 0; m < 48; m++) { + keys[11][m] = tempKey[m]; + } + break; + case 12: + for (m = 0; m < 48; m++) { + keys[12][m] = tempKey[m]; + } + break; + case 13: + for (m = 0; m < 48; m++) { + keys[13][m] = tempKey[m]; + } + break; + case 14: + for (m = 0; m < 48; m++) { + keys[14][m] = tempKey[m]; + } + break; + case 15: + for (m = 0; m < 48; m++) { + keys[15][m] = tempKey[m]; + } + break; + } + } + return keys; +} \ No newline at end of file diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..83ff268 --- /dev/null +++ b/go.mod @@ -0,0 +1,14 @@ +module sdu-auto-evaluation + +go 1.17 + +require ( + github.com/PuerkitoBio/goquery v1.8.0 // indirect + github.com/andybalholm/cascadia v1.3.1 // indirect + github.com/dlclark/regexp2 v1.4.1-0.20201116162257-a2a8dda75c91 // indirect + github.com/dop251/goja v0.0.0-20211217115348-3f9136fa235d // indirect + github.com/go-sourcemap/sourcemap v2.1.3+incompatible // indirect + github.com/pkg/errors v0.9.1 // indirect + golang.org/x/net v0.0.0-20210916014120-12bc252f5db8 // indirect + golang.org/x/text v0.3.6 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..fc9080a --- /dev/null +++ b/go.sum @@ -0,0 +1,29 @@ +github.com/PuerkitoBio/goquery v1.8.0 h1:PJTF7AmFCFKk1N6V6jmKfrNH9tV5pNE6lZMkG0gta/U= +github.com/PuerkitoBio/goquery v1.8.0/go.mod h1:ypIiRMtY7COPGk+I/YbZLbxsxn9g5ejnI2HSMtkjZvI= +github.com/andybalholm/cascadia v1.3.1 h1:nhxRkql1kdYCc8Snf7D5/D3spOX+dBgjA6u8x004T2c= +github.com/andybalholm/cascadia v1.3.1/go.mod h1:R4bJ1UQfqADjvDa4P6HZHLh/3OxWWEqc0Sk8XGwHqvA= +github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= +github.com/dlclark/regexp2 v1.4.1-0.20201116162257-a2a8dda75c91 h1:Izz0+t1Z5nI16/II7vuEo/nHjodOg0p7+OiDpjX5t1E= +github.com/dlclark/regexp2 v1.4.1-0.20201116162257-a2a8dda75c91/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc= +github.com/dop251/goja v0.0.0-20211217115348-3f9136fa235d h1:XT7Qdmcuwgsgz4GXejX7R5Morysk2GOpeguYJ9JoF5c= +github.com/dop251/goja v0.0.0-20211217115348-3f9136fa235d/go.mod h1:R9ET47fwRVRPZnOGvHxxhuZcbrMCuiqOz3Rlrh4KSnk= +github.com/dop251/goja_nodejs v0.0.0-20210225215109-d91c329300e7/go.mod h1:hn7BA7c8pLvoGndExHudxTDKZ84Pyvv+90pbBjbTz0Y= +github.com/go-sourcemap/sourcemap v2.1.3+incompatible h1:W1iEw64niKVGogNgBN3ePyLFfuisuzeidWPMPWmECqU= +github.com/go-sourcemap/sourcemap v2.1.3+incompatible/go.mod h1:F8jJfvm2KbVjc5NqelyYJmf/v5J0dwNLS2mL4sNA1Jg= +github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI= +github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= +github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= +github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE= +github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4= +github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= +golang.org/x/net v0.0.0-20210916014120-12bc252f5db8 h1:/6y1LfuqNuQdHAm0jjtPtgRcxIxjVZgm5OTu8/QhZvk= +golang.org/x/net v0.0.0-20210916014120-12bc252f5db8/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y= +golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= +golang.org/x/text v0.3.6 h1:aRYxNxv6iGQlyVaZmk6ZgYEDa+Jg18DxebPSrd6bg1M= +golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= +golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q= +gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ= diff --git a/main.go b/main.go new file mode 100644 index 0000000..7c5fb4d --- /dev/null +++ b/main.go @@ -0,0 +1,159 @@ +package main + +import ( + "flag" + "fmt" + "github.com/PuerkitoBio/goquery" + "io" + "math/rand" + "net/url" + "regexp" + "strconv" + "strings" + "sync" + "time" + "unicode/utf8" +) + +var Username = flag.String("u", "", "统一认证学号/用户名") +var Password = flag.String("p", "", "统一认证密码") +var evaluationChan = make(chan struct{}, 3) +var waitGroup = sync.WaitGroup{} + +func main() { + rand.Seed(time.Now().UnixNano()) + flag.Parse() + if *Username == "" || *Password == "" { + flag.Usage() + return + } + fmt.Println("正在登入系统...") + res, err := Client.Do(createRequest("GET", "http://bkzhjx.wh.sdu.edu.cn/sso.jsp", nil)) + _ = checkHttpError(res, err) + casUrl := "https://pass.sdu.edu.cn/cas/login?service=http%3A%2F%2Fbkzhjx.wh.sdu.edu.cn%2Fsso.jsp" + res, err = Client.Do(createRequest("GET", casUrl, nil)) + err = checkHttpError(res, err) + if err != nil { + panic(err) + } + html, _ := io.ReadAll(res.Body) + ticket := regexp.MustCompile("name=\"lt\" value=\"(.*?)\"").FindStringSubmatch(string(html))[1] + rsa := strEnc(*Username + *Password + ticket) + loginValues := url.Values{ + "rsa": {rsa}, + "ul": {strconv.Itoa(utf8.RuneCountInString(*Username))}, + "pl": {strconv.Itoa(utf8.RuneCountInString(*Password))}, + "lt": {ticket}, + "execution": {"e1s1"}, + "_eventId": {"submit"}, + } + res, err = Client.Do(createRequest("POST", casUrl, strings.NewReader(loginValues.Encode()))) + err = checkHttpError(res, err) + if err != nil { + panic(err) + } + html, _ = io.ReadAll(res.Body) + if !strings.Contains(string(html), "强智科技教务系统欢迎") { + fmt.Println("用户名或密码错误") + return + } + fmt.Println("登入系统成功") + res, err = Client.Do(createRequest("GET", "https://bkzhjx.wh.sdu.edu.cn/jsxsd/xspj/xspj_find.do", nil)) + err = checkHttpError(res, err) + if err != nil { + panic(err) + } + html, _ = io.ReadAll(res.Body) + evaluationLink := "https://bkzhjx.wh.sdu.edu.cn" + regexp.MustCompile("评价").FindStringSubmatch(htmlOfTr)[1] + evaluationFullURL = strings.ReplaceAll(evaluationFullURL, "&", "&") + waitGroup.Add(1) + go evaluateByURL(tds[2], evaluationFullURL) + }) + waitGroup.Wait() +} +func evaluateByURL(course string, fullURL string) { + evaluationChan <- struct{}{} + defer func() { + <-evaluationChan + waitGroup.Done() + }() + fmt.Println("正在评教：" + course) + res, err := Client.Do(createRequest("GET", fullURL, nil)) + err = checkHttpError(res, err) + if err != nil { + fmt.Printf("评教 "+course+" 出错：%+v", err) + return + } + html, _ := io.ReadAll(res.Body) + postData := url.Values{ + "issubmit": {"1"}, + "kctzdnd": {"3"}, + "yxjspx": {"1"}, + "isxtjg": {"1"}, + "jynr": {"课程良好"}, + } + for _, key := range []string{"pj09id", "pj01id", "pj0502id", "jg0101id", "jx0404id", "xsflid", "xnxq01id", "jx02id", "pj02id", "ifypjxx", "pj03id", "pageIndex"} { + addStdHiddenFormValue(string(html), &postData, key) + } + doc, _ := goquery.NewDocumentFromReader(strings.NewReader(string(html))) + degree := 2 + doc.Find("table tr").Each(func(i int, selection *goquery.Selection) { + htmlOfTr, _ := selection.Html() + if !strings.Contains(htmlOfTr, "pj06xh") { + return + } + pj06ix := addStdHiddenFormValue(htmlOfTr, &postData, "pj06xh") + var selectedHash string + for _, item := range []int{1, 2, 3, 4, 5} { + hash, _ := selection.Find("input[id=pj0601id_" + pj06ix + "_" + strconv.Itoa(item) + "]").Attr("value") + currentScore, _ := selection.Find("input[name=pj0601fz_" + pj06ix + "_" + hash + "]").Attr("value") + postData.Add("pj0601fz_"+pj06ix+"_"+hash, currentScore) + if degree == item { + selectedHash = hash + } + } + postData.Add("pj0601id_"+pj06ix, selectedHash) + if degree == 2 { + degree = 1 + } + }) + res, err = Client.Do(createRequest("POST", "https://bkzhjx.wh.sdu.edu.cn/jsxsd/xspj/xspj_save.do", strings.NewReader(postData.Encode()))) + err = checkHttpError(res, err) + if err != nil { + fmt.Printf("评教 "+course+" 出错：%+v", err) + return + } + html, _ = io.ReadAll(res.Body) + if !strings.Contains(string(html), "成功") { + fmt.Printf("评教 "+course+" 出错：%+v", err) + fmt.Println(string(html)) + return + } +} +func addStdHiddenFormValue(html string, obj *url.Values, key string) string { + value := regexp.MustCompile("input type=\"hidden\" name=\"" + key + "\" value=\"(.*?)\"").FindStringSubmatch(html)[1] + obj.Add(key, value) + return value +} diff --git a/network.go b/network.go new file mode 100644 index 0000000..314456d --- /dev/null +++ b/network.go @@ -0,0 +1,39 @@ +package main + +import ( + "github.com/pkg/errors" + "io" + "net/http" + "net/http/cookiejar" + "strconv" + "time" +) + +var Client *http.Client + +func init() { + transport := http.DefaultTransport.(*http.Transport).Clone() + transport.MaxIdleConnsPerHost = 10 + jar, _ := cookiejar.New(nil) + Client = &http.Client{ + Transport: transport, + CheckRedirect: nil, + Jar: jar, + Timeout: 15 * time.Second, + } +} +func createRequest(method string, url string, body io.Reader) *http.Request { + req, _ := http.NewRequest(method, url, body) + req.Header.Set("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8") + req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:92.0) Gecko/20100101 Firefox/92.0") + return req +} +func checkHttpError(res *http.Response, err error) error { + if err != nil { + return errors.WithStack(err) + } + if res.StatusCode != http.StatusOK { + return errors.New(strconv.Itoa(res.StatusCode)) + } + return nil +} diff --git a/util.go b/util.go new file mode 100644 index 0000000..5ed40f0 --- /dev/null +++ b/util.go @@ -0,0 +1,26 @@ +package main + +import ( + _ "embed" + "github.com/dop251/goja" +) + +//go:embed des.js +var des string + +func strEnc(data string) string { + vm := goja.New() + _, err := vm.RunString(des) + if err != nil { + panic(err) + } + sum, ok := goja.AssertFunction(vm.Get("strEnc")) + if !ok { + panic("Not a function") + } + res, err := sum(goja.Undefined(), vm.ToValue(data), vm.ToValue("1"), vm.ToValue("2"), vm.ToValue("3")) + if err != nil { + panic(err) + } + return res.String() +}