mirror of https://github.com/KingRan/KR.git
467 lines
16 KiB
JavaScript
467 lines
16 KiB
JavaScript
const https = require('https');
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const http = require('http');
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const stream = require('stream');
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const zlib = require('zlib');
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const vm = require('vm');
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const PNG = require('png-js');
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const UA = 'jdapp;iPhone;9.4.6;14.2;965af808880443e4c1306a54afdd5d5ae771de46;network/wifi;supportApplePay/0;hasUPPay/0;hasOCPay/0;model/iPhone8,4;addressid/;supportBestPay/0;appBuild/167618;jdSupportDarkMode/0;Mozilla/5.0 (iPhone; CPU iPhone OS 14_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148;supportJDSHWK/1';
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Math.avg = function average() {
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var sum = 0;
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var len = this.length;
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for (var i = 0; i < len; i++) {
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sum += this[i];
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}
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return sum / len;
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};
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function sleep(timeout) {
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return new Promise((resolve) => setTimeout(resolve, timeout));
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}
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class PNGDecoder extends PNG {
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constructor(args) {
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super(args);
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this.pixels = [];
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}
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decodeToPixels() {
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return new Promise((resolve) => {
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this.decode((pixels) => {
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this.pixels = pixels;
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resolve();
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});
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});
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}
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getImageData(x, y, w, h) {
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const {
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pixels
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} = this;
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const len = w * h * 4;
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const startIndex = x * 4 + y * (w * 4);
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return {
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data: pixels.slice(startIndex, startIndex + len)
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};
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}
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}
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const PUZZLE_GAP = 8;
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const PUZZLE_PAD = 10;
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class PuzzleRecognizer {
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constructor(bg, patch, y) {
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// console.log(bg);
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const imgBg = new PNGDecoder(Buffer.from(bg, 'base64'));
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const imgPatch = new PNGDecoder(Buffer.from(patch, 'base64'));
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// console.log(imgBg);
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this.bg = imgBg;
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this.patch = imgPatch;
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this.rawBg = bg;
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this.rawPatch = patch;
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this.y = y;
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this.w = imgBg.width;
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this.h = imgBg.height;
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}
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async run() {
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await this.bg.decodeToPixels();
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await this.patch.decodeToPixels();
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return this.recognize();
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}
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recognize() {
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const {
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ctx,
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w: width,
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bg
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} = this;
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const {
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width: patchWidth,
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height: patchHeight
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} = this.patch;
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const posY = this.y + PUZZLE_PAD + ((patchHeight - PUZZLE_PAD) / 2) - (PUZZLE_GAP / 2);
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// const cData = ctx.getImageData(0, a.y + 10 + 20 - 4, 360, 8).data;
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const cData = bg.getImageData(0, posY, width, PUZZLE_GAP).data;
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const lumas = [];
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for (let x = 0; x < width; x++) {
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var sum = 0;
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// y xais
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for (let y = 0; y < PUZZLE_GAP; y++) {
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var idx = x * 4 + y * (width * 4);
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var r = cData[idx];
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var g = cData[idx + 1];
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var b = cData[idx + 2];
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var luma = 0.2126 * r + 0.7152 * g + 0.0722 * b;
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sum += luma;
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}
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lumas.push(sum / PUZZLE_GAP);
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}
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const n = 2; // minium macroscopic image width (px)
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const margin = patchWidth - PUZZLE_PAD;
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const diff = 20; // macroscopic brightness difference
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const radius = PUZZLE_PAD;
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for (let i = 0, len = lumas.length - 2 * 4; i < len; i++) {
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const left = (lumas[i] + lumas[i + 1]) / n;
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const right = (lumas[i + 2] + lumas[i + 3]) / n;
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const mi = margin + i;
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const mLeft = (lumas[mi] + lumas[mi + 1]) / n;
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const mRigth = (lumas[mi + 2] + lumas[mi + 3]) / n;
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if (left - right > diff && mLeft - mRigth < -diff) {
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const pieces = lumas.slice(i + 2, margin + i + 2);
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const median = pieces.sort((x1, x2) => x1 - x2)[20];
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const avg = Math.avg(pieces);
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// noise reducation
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if (median > left || median > mRigth) return;
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if (avg > 100) return;
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// console.table({left,right,mLeft,mRigth,median});
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// ctx.fillRect(i+n-radius, 0, 1, 360);
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// console.log(i+n-radius);
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return i + n - radius;
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}
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}
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// not found
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return -1;
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}
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runWithCanvas() {
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const {
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createCanvas,
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Image
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} = require('canvas');
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const canvas = createCanvas();
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const ctx = canvas.getContext('2d');
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const imgBg = new Image();
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const imgPatch = new Image();
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const prefix = 'data:image/png;base64,';
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imgBg.src = prefix + this.rawBg;
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imgPatch.src = prefix + this.rawPatch;
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const {
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naturalWidth: w,
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naturalHeight: h
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} = imgBg;
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canvas.width = w;
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canvas.height = h;
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ctx.clearRect(0, 0, w, h);
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ctx.drawImage(imgBg, 0, 0, w, h);
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const width = w;
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const {
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naturalWidth,
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naturalHeight
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} = imgPatch;
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const posY = this.y + PUZZLE_PAD + ((naturalHeight - PUZZLE_PAD) / 2) - (PUZZLE_GAP / 2);
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// const cData = ctx.getImageData(0, a.y + 10 + 20 - 4, 360, 8).data;
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const cData = ctx.getImageData(0, posY, width, PUZZLE_GAP).data;
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const lumas = [];
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for (let x = 0; x < width; x++) {
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var sum = 0;
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// y xais
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for (let y = 0; y < PUZZLE_GAP; y++) {
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var idx = x * 4 + y * (width * 4);
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var r = cData[idx];
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var g = cData[idx + 1];
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var b = cData[idx + 2];
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var luma = 0.2126 * r + 0.7152 * g + 0.0722 * b;
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sum += luma;
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}
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lumas.push(sum / PUZZLE_GAP);
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}
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const n = 2; // minium macroscopic image width (px)
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const margin = naturalWidth - PUZZLE_PAD;
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const diff = 20; // macroscopic brightness difference
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const radius = PUZZLE_PAD;
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for (let i = 0, len = lumas.length - 2 * 4; i < len; i++) {
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const left = (lumas[i] + lumas[i + 1]) / n;
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const right = (lumas[i + 2] + lumas[i + 3]) / n;
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const mi = margin + i;
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const mLeft = (lumas[mi] + lumas[mi + 1]) / n;
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const mRigth = (lumas[mi + 2] + lumas[mi + 3]) / n;
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if (left - right > diff && mLeft - mRigth < -diff) {
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const pieces = lumas.slice(i + 2, margin + i + 2);
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const median = pieces.sort((x1, x2) => x1 - x2)[20];
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const avg = Math.avg(pieces);
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// noise reducation
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if (median > left || median > mRigth) return;
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if (avg > 100) return;
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// console.table({left,right,mLeft,mRigth,median});
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// ctx.fillRect(i+n-radius, 0, 1, 360);
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// console.log(i+n-radius);
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return i + n - radius;
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}
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}
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// not found
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return -1;
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}
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}
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const DATA = {
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"appId": "17839d5db83",
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"scene": "cww",
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"product": "embed",
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"lang": "zh_CN",
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};
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let SERVER = 'iv.jd.com';
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if (process.env.JDJR_SERVER) {
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SERVER = process.env.JDJR_SERVER
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}
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class JDJRValidator {
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constructor() {
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this.data = {};
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this.x = 0;
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this.t = Date.now();
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this.n = 0;
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}
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async run() {
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const tryRecognize = async () => {
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const x = await this.recognize();
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if (x > 0) {
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return x;
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}
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// retry
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return await tryRecognize();
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};
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const puzzleX = await tryRecognize();
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console.log(puzzleX);
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const pos = new MousePosFaker(puzzleX).run();
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const d = getCoordinate(pos);
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// console.log(pos[pos.length-1][2] -Date.now());
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await sleep(3000);
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//await sleep(pos[pos.length - 1][2] - Date.now());
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const result = await JDJRValidator.jsonp('/slide/s.html', {
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d,
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...this.data
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});
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if (result.message === 'success') {
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// console.log(result);
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// console.log('JDJRValidator: %fs', (Date.now() - this.t) / 1000);
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return result;
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} else {
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if (this.n > 60) {
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return;
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}
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this.n++;
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return await this.run();
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}
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}
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async recognize() {
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const data = await JDJRValidator.jsonp('/slide/g.html', {
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e: ''
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});
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const {
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bg,
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patch,
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y
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} = data;
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// const uri = 'data:image/png;base64,';
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// const re = new PuzzleRecognizer(uri+bg, uri+patch, y);
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const re = new PuzzleRecognizer(bg, patch, y);
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const puzzleX = await re.run();
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if (puzzleX > 0) {
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this.data = {
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c: data.challenge,
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w: re.w,
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e: '',
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s: '',
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o: '',
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};
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this.x = puzzleX;
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}
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return puzzleX;
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}
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async report(n) {
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console.time('PuzzleRecognizer');
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let count = 0;
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for (let i = 0; i < n; i++) {
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const x = await this.recognize();
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if (x > 0) count++;
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if (i % 50 === 0) {
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console.log('%f\%', (i / n) * 100);
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}
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}
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console.log('successful: %f\%', (count / n) * 100);
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console.timeEnd('PuzzleRecognizer');
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}
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static jsonp(api, data = {}) {
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return new Promise((resolve, reject) => {
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const fnId = `jsonp_${String(Math.random()).replace('.', '')}`;
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const extraData = {
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callback: fnId
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};
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const query = new URLSearchParams({ ...DATA,
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...extraData,
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...data
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}).toString();
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const url = `http://${SERVER}${api}?${query}`;
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const headers = {
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'Accept': '*/*',
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'Accept-Encoding': 'gzip,deflate,br',
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'Accept-Language': 'zh-CN,en-US',
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'Connection': 'keep-alive',
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'Host': SERVER,
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'Proxy-Connection': 'keep-alive',
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'Referer': 'https://h5.m.jd.com/babelDiy/Zeus/2wuqXrZrhygTQzYA7VufBEpj4amH/index.html',
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'User-Agent': UA,
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};
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const req = http.get(url, {
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headers
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}, (response) => {
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let res = response;
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if (res.headers['content-encoding'] === 'gzip') {
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const unzipStream = new stream.PassThrough();
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stream.pipeline(response, zlib.createGunzip(), unzipStream, reject, );
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res = unzipStream;
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}
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res.setEncoding('utf8');
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let rawData = '';
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res.on('data', (chunk) => rawData += chunk);
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res.on('end', () => {
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try {
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const ctx = {
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[fnId]: (data) => ctx.data = data,
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data: {},
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};
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vm.createContext(ctx);
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vm.runInContext(rawData, ctx);
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// console.log(ctx.data);
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res.resume();
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resolve(ctx.data);
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} catch (e) {
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reject(e);
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}
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});
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});
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req.on('error', reject);
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req.end();
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});
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}
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}
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function getCoordinate(c) {
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function string10to64(d) {
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var c = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-~".split(""),
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b = c.length,
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e = +d,
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a = [];
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do {
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mod = e % b;
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e = (e - mod) / b;
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a.unshift(c[mod])
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} while (e);
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return a.join("")
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}
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function prefixInteger(a, b) {
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return (Array(b).join(0) + a).slice(-b)
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}
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function pretreatment(d, c, b) {
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var e = string10to64(Math.abs(d));
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var a = "";
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if (!b) {
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a += (d > 0 ? "1" : "0")
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}
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a += prefixInteger(e, c);
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return a
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}
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var b = new Array();
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for (var e = 0; e < c.length; e++) {
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if (e == 0) {
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b.push(pretreatment(c[e][0] < 262143 ? c[e][0] : 262143, 3, true));
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b.push(pretreatment(c[e][1] < 16777215 ? c[e][1] : 16777215, 4, true));
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b.push(pretreatment(c[e][2] < 4398046511103 ? c[e][2] : 4398046511103, 7, true))
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} else {
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var a = c[e][0] - c[e - 1][0];
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var f = c[e][1] - c[e - 1][1];
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var d = c[e][2] - c[e - 1][2];
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b.push(pretreatment(a < 4095 ? a : 4095, 2, false));
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b.push(pretreatment(f < 4095 ? f : 4095, 2, false));
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b.push(pretreatment(d < 16777215 ? d : 16777215, 4, true))
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}
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}
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return b.join("")
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}
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const HZ = 32;
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class MousePosFaker {
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constructor(puzzleX) {
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this.x = parseInt(Math.random() * 20 + 20, 10);
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this.y = parseInt(Math.random() * 80 + 80, 10);
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this.t = Date.now();
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this.pos = [
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[this.x, this.y, this.t]
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];
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this.minDuration = parseInt(1000 / HZ, 10);
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// this.puzzleX = puzzleX;
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this.puzzleX = puzzleX + parseInt(Math.random() * 2 - 1, 10);
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this.STEP = parseInt(Math.random() * 6 + 5, 10);
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this.DURATION = parseInt(Math.random() * 7 + 12, 10) * 100;
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// [9,1600] [10,1400]
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this.STEP = 9;
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// this.DURATION = 2000;
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console.log(this.STEP, this.DURATION);
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}
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run() {
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const perX = this.puzzleX / this.STEP;
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const perDuration = this.DURATION / this.STEP;
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const firstPos = [this.x - parseInt(Math.random() * 6, 10), this.y + parseInt(Math.random() * 11, 10), this.t];
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this.pos.unshift(firstPos);
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this.stepPos(perX, perDuration);
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this.fixPos();
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const reactTime = parseInt(60 + Math.random() * 100, 10);
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const lastIdx = this.pos.length - 1;
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const lastPos = [this.pos[lastIdx][0], this.pos[lastIdx][1], this.pos[lastIdx][2] + reactTime];
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this.pos.push(lastPos);
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return this.pos;
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}
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stepPos(x, duration) {
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let n = 0;
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const sqrt2 = Math.sqrt(2);
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for (let i = 1; i <= this.STEP; i++) {
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n += 1 / i;
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}
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for (let i = 0; i < this.STEP; i++) {
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x = this.puzzleX / (n * (i + 1));
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const currX = parseInt((Math.random() * 30 - 15) + x, 10);
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const currY = parseInt(Math.random() * 7 - 3, 10);
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const currDuration = parseInt((Math.random() * 0.4 + 0.8) * duration, 10);
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this.moveToAndCollect({
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x: currX,
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y: currY,
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duration: currDuration,
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});
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}
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}
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fixPos() {
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const actualX = this.pos[this.pos.length - 1][0] - this.pos[1][0];
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const deviation = this.puzzleX - actualX;
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if (Math.abs(deviation) > 4) {
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this.moveToAndCollect({
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x: deviation,
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y: parseInt(Math.random() * 8 - 3, 10),
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duration: 100,
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});
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}
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}
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moveToAndCollect({
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x,
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y,
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duration
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}) {
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let movedX = 0;
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let movedY = 0;
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let movedT = 0;
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const times = duration / this.minDuration;
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let perX = x / times;
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let perY = y / times;
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let padDuration = 0;
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if (Math.abs(perX) < 1) {
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padDuration = duration / Math.abs(x) - this.minDuration;
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perX = 1;
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perY = y / Math.abs(x);
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}
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while (Math.abs(movedX) < Math.abs(x)) {
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const rDuration = parseInt(padDuration + Math.random() * 16 - 4, 10);
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movedX += perX + Math.random() * 2 - 1;
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movedY += perY;
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movedT += this.minDuration + rDuration;
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const currX = parseInt(this.x + 20, 10);
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const currY = parseInt(this.y + 20, 10);
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const currT = this.t + movedT;
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this.pos.push([currX, currY, currT]);
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}
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this.x += x;
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this.y += y;
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this.t += Math.max(duration, movedT);
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}
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}
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exports.JDJRValidator = JDJRValidator
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