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Fixed grunt lint errors

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hettysymes 2020-01-12 16:49:04 +00:00 • committed by hettysymes
parent 5d01b06877
commit 938385c18b
2 changed files with 322 additions and 335 deletions
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52
src/core/lib/SIGABA.mjs
View file

@ -85,10 +85,9 @@ export class SigabaMachine{
*/ */
encryptLetter(letter) { encryptLetter(letter) {
letter = convToUpperCase(letter); letter = convToUpperCase(letter);
if (letter == " "){ if (letter === " ") {
letter = "Z"; letter = "Z";
} } else if (letter === "Z") {
else if (letter == "Z") {
letter = "X"; letter = "X";
} }
const encryptedLetter = this.cipherBank.encrypt(letter); const encryptedLetter = this.cipherBank.encrypt(letter);
@ -105,7 +104,7 @@ export class SigabaMachine{
decryptLetter(letter) { decryptLetter(letter) {
letter = convToUpperCase(letter); letter = convToUpperCase(letter);
let decryptedLetter = this.cipherBank.decrypt(letter); let decryptedLetter = this.cipherBank.decrypt(letter);
if (decryptedLetter == "Z"){ if (decryptedLetter === "Z") {
decryptedLetter = " "; decryptedLetter = " ";
} }
this.step(); this.step();
@ -162,7 +161,7 @@ export class CipherBank{
@returns {char} @returns {char}
*/ */
encrypt(inputPos) { encrypt(inputPos) {
for (let rotor of this.rotors){ for (const rotor of this.rotors) {
inputPos = rotor.crypt(inputPos, "leftToRight"); inputPos = rotor.crypt(inputPos, "leftToRight");
} }
return inputPos; return inputPos;
@ -176,7 +175,7 @@ export class CipherBank{
*/ */
decrypt(inputPos) { decrypt(inputPos) {
const revOrderedRotors = [...this.rotors].reverse(); const revOrderedRotors = [...this.rotors].reverse();
for (let rotor of revOrderedRotors){ for (const rotor of revOrderedRotors) {
inputPos = rotor.crypt(inputPos, "rightToLeft"); inputPos = rotor.crypt(inputPos, "rightToLeft");
} }
return inputPos; return inputPos;
@ -189,7 +188,7 @@ export class CipherBank{
*/ */
step(indexInputs) { step(indexInputs) {
const logicDict = {0: [0, 9], 1: [7, 8], 2: [5, 6], 3: [3, 4], 4: [1, 2]}; const logicDict = {0: [0, 9], 1: [7, 8], 2: [5, 6], 3: [3, 4], 4: [1, 2]};
let rotorsToMove = []; const rotorsToMove = [];
for (const key in logicDict) { for (const key in logicDict) {
const item = logicDict[key]; const item = logicDict[key];
for (const i of indexInputs) { for (const i of indexInputs) {
@ -199,7 +198,7 @@ export class CipherBank{
} }
} }
} }
for (let rotor of rotorsToMove){ for (const rotor of rotorsToMove) {
rotor.step(); rotor.step();
} }
} }
@ -227,7 +226,7 @@ export class ControlBank{
@returns {char} @returns {char}
*/ */
crypt(inputPos) { crypt(inputPos) {
for (let rotor of this.rotors){ for (const rotor of this.rotors) {
inputPos = rotor.crypt(inputPos, "rightToLeft"); inputPos = rotor.crypt(inputPos, "rightToLeft");
} }
return inputPos; return inputPos;
@ -241,10 +240,10 @@ export class ControlBank{
getOutputs() { getOutputs() {
const outputs = [this.crypt("F"), this.crypt("G"), this.crypt("H"), this.crypt("I")]; const outputs = [this.crypt("F"), this.crypt("G"), this.crypt("H"), this.crypt("I")];
const logicDict = {1: "B", 2: "C", 3: "DE", 4: "FGH", 5: "IJK", 6: "LMNO", 7: "PQRST", 8: "UVWXYZ", 9: "A"}; const logicDict = {1: "B", 2: "C", 3: "DE", 4: "FGH", 5: "IJK", 6: "LMNO", 7: "PQRST", 8: "UVWXYZ", 9: "A"};
let numberOutputs = []; const numberOutputs = [];
for (let key in logicDict){ for (const key in logicDict) {
const item = logicDict[key]; const item = logicDict[key];
for (let output of outputs){ for (const output of outputs) {
if (item.includes(output)) { if (item.includes(output)) {
numberOutputs.push(key); numberOutputs.push(key);
break; break;
@ -261,10 +260,10 @@ export class ControlBank{
const MRotor = this.rotors[1], FRotor = this.rotors[2], SRotor = this.rotors[3]; const MRotor = this.rotors[1], FRotor = this.rotors[2], SRotor = this.rotors[3];
this.numberOfMoves ++; this.numberOfMoves ++;
FRotor.step(); FRotor.step();
if (this.numberOfMoves%26 == 0){ if (this.numberOfMoves%26 === 0) {
MRotor.step(); MRotor.step();
} }
if (this.numberOfMoves%(26*26) == 0){ if (this.numberOfMoves%(26*26) === 0) {
SRotor.step(); SRotor.step();
} }
} }
@ -302,7 +301,7 @@ export class IndexBank{
@returns {number} @returns {number}
*/ */
crypt(inputPos) { crypt(inputPos) {
for (let rotor of this.rotors){ for (const rotor of this.rotors) {
inputPos = rotor.crypt(inputPos); inputPos = rotor.crypt(inputPos);
} }
return inputPos; return inputPos;
@ -315,7 +314,7 @@ export class IndexBank{
@returns {number[]} @returns {number[]}
*/ */
goThroughIndex(controlInputs) { goThroughIndex(controlInputs) {
let outputs = []; const outputs = [];
for (const inp of controlInputs) { for (const inp of controlInputs) {
outputs.push(this.crypt(inp)); outputs.push(this.crypt(inp));
} }
@ -349,12 +348,11 @@ export class Rotor{
@returns {number[]} @returns {number[]}
*/ */
getNumMapping(wireSetting, rev) { getNumMapping(wireSetting, rev) {
if (rev==false){ if (rev===false) {
return wireSetting; return wireSetting;
} } else {
else {
const length = wireSetting.length; const length = wireSetting.length;
let tempMapping = new Array(length); const tempMapping = new Array(length);
for (let i=0; i<length; i++) { for (let i=0; i<length; i++) {
tempMapping[wireSetting[i]] = i; tempMapping[wireSetting[i]] = i;
} }
@ -370,8 +368,8 @@ export class Rotor{
*/ */
getPosMapping(rev) { getPosMapping(rev) {
const length = this.numMapping.length; const length = this.numMapping.length;
let posMapping = []; const posMapping = [];
if (rev==false){ if (rev===false) {
for (let i = this.state; i < this.state+length; i++) { for (let i = this.state; i < this.state+length; i++) {
let res = i%length; let res = i%length;
if (res<0) { if (res<0) {
@ -379,8 +377,7 @@ export class Rotor{
} }
posMapping.push(res); posMapping.push(res);
} }
} } else {
else {
for (let i = this.state; i > this.state-length; i--) { for (let i = this.state; i > this.state-length; i--) {
let res = i%length; let res = i%length;
if (res<0) { if (res<0) {
@ -401,11 +398,10 @@ export class Rotor{
*/ */
cryptNum(inputPos, direction) { cryptNum(inputPos, direction) {
const inpNum = this.posMapping[inputPos]; const inpNum = this.posMapping[inputPos];
var outNum; let outNum;
if (direction == "leftToRight"){ if (direction === "leftToRight") {
outNum = this.numMapping[inpNum]; outNum = this.numMapping[inpNum];
} } else if (direction === "rightToLeft") {
else if (direction == "rightToLeft") {
outNum = this.numMapping.indexOf(inpNum); outNum = this.numMapping.indexOf(inpNum);
} }
const outPos = this.posMapping.indexOf(outNum); const outPos = this.posMapping.indexOf(outNum);

23
src/core/operations/SIGABA.mjs
View file

@ -7,7 +7,6 @@ Emulation of the SIGABA machine.
*/ */
import Operation from "../Operation.mjs"; import Operation from "../Operation.mjs";
import OperationError from "../errors/OperationError.mjs";
import {LETTERS} from "../lib/Enigma.mjs"; import {LETTERS} from "../lib/Enigma.mjs";
import {NUMBERS, CR_ROTORS, I_ROTORS, SigabaMachine, CRRotor, IRotor} from "../lib/SIGABA.mjs"; import {NUMBERS, CR_ROTORS, I_ROTORS, SigabaMachine, CRRotor, IRotor} from "../lib/SIGABA.mjs";
@ -252,40 +251,32 @@ this.module = "SIGABA";
} }
/** /**
@param {string} rotor - rotor wirings @param {string} input
@param {Object[]} args
@returns {string} @returns {string}
*/ */
parseRotorStr(rotor){
if (rotor === ""){
throw new OperationError(`All rotor wirings must be provided.`);
}
return rotor;
}
run(input, args) { run(input, args) {
const sigabaSwitch = args[40]; const sigabaSwitch = args[40];
const cipherRotors = []; const cipherRotors = [];
const controlRotors = []; const controlRotors = [];
const indexRotors = []; const indexRotors = [];
for (let i=0; i<5; i++) { for (let i=0; i<5; i++) {
const rotorWiring = this.parseRotorStr(args[i*3]); const rotorWiring = args[i*3];
cipherRotors.push(new CRRotor(rotorWiring, args[i*3+2], args[i*3+1])); cipherRotors.push(new CRRotor(rotorWiring, args[i*3+2], args[i*3+1]));
} }
for (let i=5; i<10; i++) { for (let i=5; i<10; i++) {
const rotorWiring = this.parseRotorStr(args[i*3]); const rotorWiring = args[i*3];
controlRotors.push(new CRRotor(rotorWiring, args[i*3+2], args[i*3+1])); controlRotors.push(new CRRotor(rotorWiring, args[i*3+2], args[i*3+1]));
} }
for (let i=15; i<20; i++) { for (let i=15; i<20; i++) {
const rotorWiring = this.parseRotorStr(args[i*2]); const rotorWiring = args[i*2];
indexRotors.push(new IRotor(rotorWiring, args[i*2+1])); indexRotors.push(new IRotor(rotorWiring, args[i*2+1]));
} }
const sigaba = new SigabaMachine(cipherRotors, controlRotors, indexRotors); const sigaba = new SigabaMachine(cipherRotors, controlRotors, indexRotors);
var result; let result;
if (sigabaSwitch === "Encrypt") { if (sigabaSwitch === "Encrypt") {
result = sigaba.encrypt(input); result = sigaba.encrypt(input);
} } else if (sigabaSwitch === "Decrypt") {
else if (sigabaSwitch === "Decrypt") {
result = sigaba.decrypt(input); result = sigaba.decrypt(input);
} }
return result; return result;