14591086771

Committed 22 Apr 2025 09:07AM UTC coverage: 87.071% (-7.1%) from 94.191%

Build Type

push

github

Committed by Jae Sung Park

Commit Message

fix(core): Fix potential security vulnerability

Add prevention for prototype pollution, by enforcing
options objects to not extend nor chaining Object.prototype

Fix #3975

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5626 of 6953 branches covered (80.91%)

Branch coverage included in aggregate %.

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83.26

/src/module/util.ts

/**
 * Copyright (c) 2017 ~ present NAVER Corp.
 * billboard.js project is licensed under the MIT license
 * @ignore
 */
import {brushSelection as d3BrushSelection} from "d3-brush";
import {pointer as d3Pointer} from "d3-selection";
import type {d3Selection} from "../../types/types";
import {document, requestAnimationFrame, window} from "./browser";

export {
        addCssRules,
        asHalfPixel,
        brushEmpty,
        callFn,
        camelize,
        capitalize,
        ceil10,
        convertInputType,
        deepClone,
        diffDomain,
        emulateEvent,
        endall,
        extend,
        findIndex,
        getBoundingRect,
        getBrushSelection,
        getCssRules,
        getMinMax,
        getOption,
        getPathBox,
        getPointer,
        getRandom,
        getRange,
        getRectSegList,
        getScrollPosition,
        getTransformCTM,
        getTranslation,
        getUnique,
        hasStyle,
        hasValue,
        hasViewBox,
        isArray,
        isBoolean,
        isDefined,
        isEmpty,
        isFunction,
        isNumber,
        isObject,
        isObjectType,
        isString,
        isTabVisible,
        isUndefined,
        isValue,
        mergeArray,
        mergeObj,
        notEmpty,
        parseDate,
        runUntil,
        sanitize,
        setTextValue,
        sortValue,
        toArray,
        tplProcess
};

const isValue = (v: any): boolean => v || v === 0;
const isFunction = (v: unknown): v is (...args: any[]) => any => typeof v === "function";
const isString = (v: unknown): v is string => typeof v === "string";
const isNumber = (v: unknown): v is number => typeof v === "number";
const isUndefined = (v: unknown): v is undefined => typeof v === "undefined";
const isDefined = (v: unknown): boolean => typeof v !== "undefined";
const isBoolean = (v: unknown): boolean => typeof v === "boolean";
const ceil10 = (v: number): number => Math.ceil(v / 10) * 10;
const asHalfPixel = (n: number): number => Math.ceil(n) + 0.5;
const diffDomain = (d: number[]): number => d[1] - d[0];
const isObjectType = (v: unknown): v is Record<string | number, any> => typeof v === "object";
const isEmpty = (o: unknown): boolean => (
        isUndefined(o) || o === null ||
        (isString(o) && o.length === 0) ||
        (isObjectType(o) && !(o instanceof Date) && Object.keys(o).length === 0) ||
        (isNumber(o) && isNaN(o))
);
const notEmpty = (o: unknown): boolean => !isEmpty(o);

/**
 * Check if is array
 * @param {Array} arr Data to be checked
 * @returns {boolean}
 * @private
 */
const isArray = (arr: any): arr is any[] => Array.isArray(arr);

/**
 * Check if is object
 * @param {object} obj Data to be checked
 * @returns {boolean}
 * @private
 */
const isObject = (obj: any): boolean => obj && !obj?.nodeType && isObjectType(obj) && !isArray(obj);

/**
 * Get specified key value from object
 * If default value is given, will return if given key value not found
 * @param {object} options Source object
 * @param {string} key Key value
 * @param {*} defaultValue Default value
 * @returns {*}
 * @private
 */
function getOption(options: object, key: string, defaultValue): any {
        return isDefined(options[key]) ? options[key] : defaultValue;
}

/**
 * Check if value exist in the given object
 * @param {object} dict Target object to be checked
 * @param {*} value Value to be checked
 * @returns {boolean}
 * @private
 */
function hasValue(dict: object, value: any): boolean {
        let found = false;

        Object.keys(dict).forEach(key => (dict[key] === value) && (found = true));

        return found;
}

/**
 * Call function with arguments
 * @param {Function} fn Function to be called
 * @param {*} thisArg "this" value for fn
 * @param {*} args Arguments for fn
 * @returns {boolean} true: fn is function, false: fn is not function
 * @private
 */
function callFn(fn: unknown, thisArg: any, ...args: any[]): boolean {
        const isFn = isFunction(fn);

        isFn && fn.call(thisArg, ...args);
        return isFn;
}

/**
 * Call function after all transitions ends
 * @param {d3.transition} transition Transition
 * @param {Fucntion} cb Callback function
 * @private
 */
function endall(transition, cb: Function): void {
        let n = 0;

        const end = function(...args) {
                !--n && cb.apply(this, ...args);
        };

        // if is transition selection
        if ("duration" in transition) {
                transition
                        .each(() => ++n)
                        .on("end", end);
        } else {
                ++n;
                transition.call(end);
        }
}

/**
 * Replace tag sign to html entity
 * @param {string} str Target string value
 * @returns {string}
 * @private
 */
function sanitize(str: string): string {
        return isString(str) ?
                str.replace(/<(script|img)?/ig, "&lt;").replace(/(script)?>/ig, "&gt;") :
                str;
}

/**
 * Set text value. If there's multiline add nodes.
 * @param {d3Selection} node Text node
 * @param {string} text Text value string
 * @param {Array} dy dy value for multilined text
 * @param {boolean} toMiddle To be alingned vertically middle
 * @private
 */
function setTextValue(
        node: d3Selection,
        text: string,
        dy: number[] = [-1, 1],
        toMiddle: boolean = false
) {
        if (!node || !isString(text)) {
                return;
        }

        if (text.indexOf("\n") === -1) {
                node.text(text);
        } else {
                const diff = [node.text(), text].map(v => v.replace(/[\s\n]/g, ""));

                if (diff[0] !== diff[1]) {
                        const multiline = text.split("\n");
                        const len = toMiddle ? multiline.length - 1 : 1;

                        // reset possible text
                        node.html("");

                        multiline.forEach((v, i) => {
                                node.append("tspan")
                                        .attr("x", 0)
                                        .attr("dy", `${i === 0 ? dy[0] * len : dy[1]}em`)
                                        .text(v);
                        });
                }
        }
}

/**
 * Substitution of SVGPathSeg API polyfill
 * @param {SVGGraphicsElement} path Target svg element
 * @returns {Array}
 * @private
 */
function getRectSegList(path: SVGGraphicsElement): {x: number, y: number}[] {
        /*
         * seg1 ---------- seg2
         *   |               |
         *   |               |
         *   |               |
         * seg0 ---------- seg3
         */
        const {x, y, width, height} = path.getBBox();

        return [
                {x, y: y + height}, // seg0
                {x, y}, // seg1
                {x: x + width, y}, // seg2
                {x: x + width, y: y + height} // seg3
        ];
}

/**
 * Get svg bounding path box dimension
 * @param {SVGGraphicsElement} path Target svg element
 * @returns {object}
 * @private
 */
function getPathBox(
        path: SVGGraphicsElement
): {x: number, y: number, width: number, height: number} {
        const {width, height} = path.getBoundingClientRect();
        const items = getRectSegList(path);
        const x = items[0].x;
        const y = Math.min(items[0].y, items[1].y);

        return {
                x,
                y,
                width,
                height
        };
}

/**
 * Get event's current position coordinates
 * @param {object} event Event object
 * @param {SVGElement|HTMLElement} element Target element
 * @returns {Array} [x, y] Coordinates x, y array
 * @private
 */
function getPointer(event, element?: SVGElement): number[] {
        const touches = event &&
                (event.touches || (event.sourceEvent && event.sourceEvent.touches))?.[0];
        let pointer = [0, 0];

        try {
                pointer = d3Pointer(touches || event, element);
        } catch {}

        return pointer.map(v => (isNaN(v) ? 0 : v));
}

/**
 * Return brush selection array
 * @param {object} ctx Current instance
 * @returns {d3.brushSelection}
 * @private
 */
function getBrushSelection(ctx) {
        const {event, $el} = ctx;
        const main = $el.subchart.main || $el.main;
        let selection;

        // check from event
        if (event && event.type === "brush") {
                selection = event.selection;
                // check from brush area selection
        } else if (main && (selection = main.select(".bb-brush").node())) {
                selection = d3BrushSelection(selection);
        }

        return selection;
}

/**
 * Get boundingClientRect.
 * Cache the evaluated value once it was called.
 * @param {HTMLElement} node Target element
 * @returns {object}
 * @private
 */
function getBoundingRect(
        node
): {
        left: number,
        top: number,
        right: number,
        bottom: number,
        x: number,
        y: number,
        width: number,
        height: number
} {
        const needEvaluate = !("rect" in node) || (
                "rect" in node && node.hasAttribute("width") &&
                node.rect.width !== +node.getAttribute("width")
        );

        return needEvaluate ? (node.rect = node.getBoundingClientRect()) : node.rect;
}

/**
 * Retrun random number
 * @param {boolean} asStr Convert returned value as string
 * @param {number} min Minimum value
 * @param {number} max Maximum value
 * @returns {number|string}
 * @private
 */
function getRandom(asStr = true, min = 0, max = 10000) {
        const crpt = window.crypto || window.msCrypto;
        const rand = crpt ?
                min + crpt.getRandomValues(new Uint32Array(1))[0] % (max - min + 1) :
                Math.floor(Math.random() * (max - min) + min);

        return asStr ? String(rand) : rand;
}

/**
 * Find index based on binary search
 * @param {Array} arr Data array
 * @param {number} v Target number to find
 * @param {number} start Start index of data array
 * @param {number} end End index of data arr
 * @param {boolean} isRotated Weather is roted axis
 * @returns {number} Index number
 * @private
 */
function findIndex(arr, v: number, start: number, end: number, isRotated: boolean): number {
        if (start > end) {
                return -1;
        }

        const mid = Math.floor((start + end) / 2);
        let {x, w = 0} = arr[mid];

        if (isRotated) {
                x = arr[mid].y;
                w = arr[mid].h;
        }

        if (v >= x && v <= x + w) {
                return mid;
        }

        return v < x ?
                findIndex(arr, v, start, mid - 1, isRotated) :
                findIndex(arr, v, mid + 1, end, isRotated);
}

/**
 * Check if brush is empty
 * @param {object} ctx Bursh context
 * @returns {boolean}
 * @private
 */
function brushEmpty(ctx): boolean {
        const selection = getBrushSelection(ctx);

        if (selection) {
                // brush selected area
                // two-dimensional: [[x0, y0], [x1, y1]]
                // one-dimensional: [x0, x1] or [y0, y1]
                return selection[0] === selection[1];
        }

        return true;
}

/**
 * Deep copy object
 * @param {object} objectN Source object
 * @returns {object} Cloned object
 * @private
 */
function deepClone(...objectN) {
        const clone = v => {
                if (isObject(v) && v.constructor) {
                        const r = new v.constructor();

                        for (const k in v) {
                                r[k] = clone(v[k]);
                        }

                        return r;
                }

                return v;
        };

        return objectN.map(v => clone(v))
                .reduce((a, c) => (
                        {...a, ...c}
                ));
}

/**
 * Extend target from source object
 * @param {object} target Target object
 * @param {object|Array} source Source object
 * @returns {object}
 * @private
 */
function extend(target = {}, source): object {
        if (isArray(source)) {
                source.forEach(v => extend(target, v));
        }

        // exclude name with only numbers
        for (const p in source) {
                if (/^\d+$/.test(p) || p in target) {
                        continue;
                }

                target[p] = source[p];
        }

        return target;
}

/**
 * Return first letter capitalized
 * @param {string} str Target string
 * @returns {string} capitalized string
 * @private
 */
const capitalize = (str: string): string => str.charAt(0).toUpperCase() + str.slice(1);

/**
 * Camelize from kebob style string
 * @param {string} str Target string
 * @param {string} separator Separator string
 * @returns {string} camelized string
 * @private
 */
function camelize(str: string, separator = "-"): string {
        return str.split(separator)
                .map((v, i) => (
                        i ? v.charAt(0).toUpperCase() + v.slice(1).toLowerCase() : v.toLowerCase()
                ))
                .join("");
}

/**
 * Convert to array
 * @param {object} v Target to be converted
 * @returns {Array}
 * @private
 */
const toArray = (v: CSSStyleDeclaration | any): any => [].slice.call(v);

/**
 * Add CSS rules
 * @param {object} style Style object
 * @param {string} selector Selector string
 * @param {Array} prop Prps arrary
 * @returns {number} Newely added rule index
 * @private
 */
function addCssRules(style, selector: string, prop: string[]): number {
        const {rootSelector = "", sheet} = style;
        const getSelector = s =>
                s
                        .replace(/\s?(bb-)/g, ".$1")
                        .replace(/\.+/g, ".");

        const rule = `${rootSelector} ${getSelector(selector)} {${prop.join(";")}}`;

        return sheet[sheet.insertRule ? "insertRule" : "addRule"](
                rule,
                sheet.cssRules.length
        );
}

/**
 * Get css rules for specified stylesheets
 * @param {Array} styleSheets The stylesheets to get the rules from
 * @returns {Array}
 * @private
 */
function getCssRules(styleSheets: any[]) {
        let rules = [];

        styleSheets.forEach(sheet => {
                try {
                        if (sheet.cssRules && sheet.cssRules.length) {
                                rules = rules.concat(toArray(sheet.cssRules));
                        }
                } catch (e) {
                        window.console?.warn(`Error while reading rules from ${sheet.href}: ${e.toString()}`);
                }
        });

        return rules;
}

/**
 * Get current window and container scroll position
 * @param {HTMLElement} node Target element
 * @returns {object} window scroll position
 * @private
 */
function getScrollPosition(node: HTMLElement) {
        return {
                x: (window.pageXOffset ?? window.scrollX ?? 0) + (node.scrollLeft ?? 0),
                y: (window.pageYOffset ?? window.scrollY ?? 0) + (node.scrollTop ?? 0)
        };
}

/**
 * Get translation string from screen <--> svg point
 * @param {SVGGraphicsElement} node graphics element
 * @param {number} x target x point
 * @param {number} y target y point
 * @param {boolean} inverse inverse flag
 * @returns {object}
 */
function getTransformCTM(node: SVGGraphicsElement, x = 0, y = 0, inverse = true): DOMPoint {
        const point = new DOMPoint(x, y);
        const screen = <DOMMatrix>node.getScreenCTM();
        const res = point.matrixTransform(
                inverse ? screen?.inverse() : screen
        );

        if (inverse === false) {
                const rect = node.getBoundingClientRect();

                res.x -= rect.x;
                res.y -= rect.y;
        }

        return res;
}

/**
 * Gets the SVGMatrix of an SVGGElement
 * @param {SVGElement} node Node element
 * @returns {SVGMatrix} matrix
 * @private
 */
function getTranslation(node) {
        const transform = node ? node.transform : null;
        const baseVal = transform && transform.baseVal;

        return baseVal && baseVal.numberOfItems ?
                baseVal.getItem(0).matrix :
                {a: 0, b: 0, c: 0, d: 0, e: 0, f: 0};
}

/**
 * Get unique value from array
 * @param {Array} data Source data
 * @returns {Array} Unique array value
 * @private
 */
function getUnique(data: any[]): any[] {
        const isDate = data[0] instanceof Date;
        const d = (isDate ? data.map(Number) : data)
                .filter((v, i, self) => self.indexOf(v) === i);

        return isDate ? d.map(v => new Date(v)) : d;
}

/**
 * Merge array
 * @param {Array} arr Source array
 * @returns {Array}
 * @private
 */
function mergeArray(arr: any[]): any[] {
        return arr && arr.length ? arr.reduce((p, c) => p.concat(c)) : [];
}

/**
 * Merge object returning new object
 * @param {object} target Target object
 * @param {object} objectN Source object
 * @returns {object} merged target object
 * @private
 */
function mergeObj(target: object, ...objectN): any {
        if (!objectN.length || (objectN.length === 1 && !objectN[0])) {
                return target;
        }

        const source = objectN.shift();

        if (isObject(target) && isObject(source)) {
                Object.keys(source).forEach(key => {
                        if (!/^(__proto__|constructor|prototype)$/i.test(key)) {
                                const value = source[key];

                                if (isObject(value)) {
                                        !target[key] && (target[key] = {});
                                        target[key] = mergeObj(target[key], value);
                                } else {
                                        target[key] = isArray(value) ? value.concat() : value;
                                }
                        }
                });
        }

        return mergeObj(target, ...objectN);
}

/**
 * Sort value
 * @param {Array} data value to be sorted
 * @param {boolean} isAsc true: asc, false: desc
 * @returns {number|string|Date} sorted date
 * @private
 */
function sortValue(data: any[], isAsc = true): any[] {
        let fn;

        if (data[0] instanceof Date) {
                fn = isAsc ? (a, b) => a - b : (a, b) => b - a;
        } else {
                if (isAsc && !data.every(isNaN)) {
                        fn = (a, b) => a - b;
                } else if (!isAsc) {
                        fn = (a, b) => (a > b && -1) || (a < b && 1) || (a === b && 0);
                }
        }

        return data.concat().sort(fn);
}

/**
 * Get min/max value
 * @param {string} type 'min' or 'max'
 * @param {Array} data Array data value
 * @returns {number|Date|undefined}
 * @private
 */
function getMinMax(type: "min" | "max", data: number[] | Date[] | any): number | Date | undefined
        | any {
        let res = data.filter(v => notEmpty(v));

        if (res.length) {
                if (isNumber(res[0])) {
                        res = Math[type](...res);
                } else if (res[0] instanceof Date) {
                        res = sortValue(res, type === "min")[0];
                }
        } else {
                res = undefined;
        }

        return res;
}

/**
 * Get range
 * @param {number} start Start number
 * @param {number} end End number
 * @param {number} step Step number
 * @returns {Array}
 * @private
 */
const getRange = (start: number, end: number, step = 1): number[] => {
        const res: number[] = [];
        const n = Math.max(0, Math.ceil((end - start) / step)) | 0;

        for (let i = start; i < n; i++) {
                res.push(start + i * step);
        }

        return res;
};

// emulate event
const emulateEvent = {
        mouse: (() => {
                const getParams = () => ({
                        bubbles: false,
                        cancelable: false,
                        screenX: 0,
                        screenY: 0,
                        clientX: 0,
                        clientY: 0
                });

                try {
                        // eslint-disable-next-line no-new
                        new MouseEvent("t");

                        return (el: SVGElement | HTMLElement, eventType: string, params = getParams()) => {
                                el.dispatchEvent(new MouseEvent(eventType, params));
                        };
                } catch {
                        // Polyfills DOM4 MouseEvent
                        return (el: SVGElement | HTMLElement, eventType: string, params = getParams()) => {
                                const mouseEvent = document.createEvent("MouseEvent");

                                // https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/initMouseEvent
                                mouseEvent.initMouseEvent(
                                        eventType,
                                        params.bubbles,
                                        params.cancelable,
                                        window,
                                        0, // the event's mouse click count
                                        params.screenX,
                                        params.screenY,
                                        params.clientX,
                                        params.clientY,
                                        false,
                                        false,
                                        false,
                                        false,
                                        0,
                                        null
                                );

                                el.dispatchEvent(mouseEvent);
                        };
                }
        })(),
        touch: (el: SVGElement | HTMLElement, eventType: string, params: any) => {
                const touchObj = new Touch(mergeObj({
                        identifier: Date.now(),
                        target: el,
                        radiusX: 2.5,
                        radiusY: 2.5,
                        rotationAngle: 10,
                        force: 0.5
                }, params));

                el.dispatchEvent(new TouchEvent(eventType, {
                        cancelable: true,
                        bubbles: true,
                        shiftKey: true,
                        touches: [touchObj],
                        targetTouches: [],
                        changedTouches: [touchObj]
                }));
        }
};

/**
 * Process the template  & return bound string
 * @param {string} tpl Template string
 * @param {object} data Data value to be replaced
 * @returns {string}
 * @private
 */
function tplProcess(tpl: string, data: object): string {
        let res = tpl;

        for (const x in data) {
                res = res.replace(new RegExp(`{=${x}}`, "g"), data[x]);
        }

        return res;
}

/**
 * Get parsed date value
 * (It must be called in 'ChartInternal' context)
 * @param {Date|string|number} date Value of date to be parsed
 * @returns {Date}
 * @private
 */
function parseDate(date: Date | string | number | any): Date {
        let parsedDate;

        if (date instanceof Date) {
                parsedDate = date;
        } else if (isString(date)) {
                const {config, format} = this;

                // if fails to parse, try by new Date()
                // https://github.com/naver/billboard.js/issues/1714
                parsedDate = format.dataTime(config.data_xFormat)(date) ?? new Date(date);
        } else if (isNumber(date) && !isNaN(date)) {
                parsedDate = new Date(+date);
        }

        if (!parsedDate || isNaN(+parsedDate)) {
                console && console.error &&
                        console.error(`Failed to parse x '${date}' to Date object`);
        }

        return parsedDate;
}

/**
 * Check if svg element has viewBox attribute
 * @param {d3Selection} svg Target svg selection
 * @returns {boolean}
 */
function hasViewBox(svg: d3Selection): boolean {
        const attr = svg.attr("viewBox");

        return attr ? /(\d+(\.\d+)?){3}/.test(attr) : false;
}

/**
 * Determine if given node has the specified style
 * @param {d3Selection|SVGElement} node Target node
 * @param {object} condition Conditional style props object
 * @param {boolean} all If true, all condition should be matched
 * @returns {boolean}
 */
function hasStyle(node, condition: {[key: string]: string}, all = false): boolean {
        const isD3Node = !!node.node;
        let has = false;

        for (const [key, value] of Object.entries(condition)) {
                has = isD3Node ? node.style(key) === value : node.style[key] === value;

                if (all === false && has) {
                        break;
                }
        }

        return has;
}

/**
 * Return if the current doc is visible or not
 * @returns {boolean}
 * @private
 */
function isTabVisible(): boolean {
        return document?.hidden === false || document?.visibilityState === "visible";
}

/**
 * Get the current input type
 * @param {boolean} mouse Config value: interaction.inputType.mouse
 * @param {boolean} touch Config value: interaction.inputType.touch
 * @returns {string} "mouse" | "touch" | null
 * @private
 */
function convertInputType(mouse: boolean, touch: boolean): "mouse" | "touch" | null {
        const {DocumentTouch, matchMedia, navigator} = window;

        // https://developer.mozilla.org/en-US/docs/Web/CSS/@media/pointer#coarse
        const hasPointerCoarse = matchMedia?.("(pointer:coarse)").matches;
        let hasTouch = false;

        if (touch) {
                // Some Edge desktop return true: https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/20417074/
                if (navigator && "maxTouchPoints" in navigator) {
                        hasTouch = navigator.maxTouchPoints > 0;

                        // Ref: https://github.com/Modernizr/Modernizr/blob/master/feature-detects/touchevents.js
                        // On IE11 with IE9 emulation mode, ('ontouchstart' in window) is returning true
                } else if (
                        "ontouchmove" in window || (DocumentTouch && document instanceof DocumentTouch)
                ) {
                        hasTouch = true;
                } else {
                        // https://developer.mozilla.org/en-US/docs/Web/HTTP/Browser_detection_using_the_user_agent#avoiding_user_agent_detection
                        if (hasPointerCoarse) {
                                hasTouch = true;
                        } else {
                                // Only as a last resort, fall back to user agent sniffing
                                const UA = navigator.userAgent;

                                hasTouch = /\b(BlackBerry|webOS|iPhone|IEMobile)\b/i.test(UA) ||
                                        /\b(Android|Windows Phone|iPad|iPod)\b/i.test(UA);
                        }
                }
        }

        // For non-touch device, media feature condition is: '(pointer:coarse) = false' and '(pointer:fine) = true'
        // https://github.com/naver/billboard.js/issues/3854#issuecomment-2404183158
        const hasMouse = mouse && !hasPointerCoarse && matchMedia?.("(pointer:fine)").matches;

        // fallback to 'mouse' if no input type is detected.
        return (hasMouse && "mouse") || (hasTouch && "touch") || "mouse";
}

/**
 * Run function until given condition function return true
 * @param {Function} fn Function to be executed when condition is true
 * @param {Function} conditionFn Condition function to check if condition is true
 * @private
 */
function runUntil(fn: Function, conditionFn: Function): void {
        if (conditionFn() === false) {
                requestAnimationFrame(() => runUntil(fn, conditionFn));
        } else {
                fn();
        }
}

naver / billboard.js / 14591086771

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