i.ligatus.com/script/fingerprint.min.js canvas fingerprinter unminified

ligatus-fingerprint.js

! function (t) {
    "use strict";
    var e = function (t) {
        var e, n;
        e = Array.prototype.forEach
        n = Array.prototype.map
        this.each = function (t, n, r) {
            if (null !== t)
                if (e && t.forEach === e) t.forEach(n, r);
                else if (t.length === +t.length) {
                for (var i = 0, a = t.length; a > i; i++)
                    if (n.call(r, t[i], i, t) === {}) return
            } else
                for (var o in t)
                    if (t.hasOwnProperty(o) && n.call(r, t[o], o, t) === {}) return
        }
        this.map = function (t, e, r) {
            var i = [];
            return null == t ? i : n && t.map === n ? t.map(e, r) : (this.each(t, function (t, n, a) {
                i[i.length] = e.call(r, t, n, a)
            }), i)
        }
        if ("object" == typeof t) {
        	this.hasher = t.hasher
        	this.screen_resolution = t.screen_resolution
        	this.canvas = t.canvas
        	this.ie_activex = t.ie_activex
        }
        else if ("function" == typeof t) {
        	this.hasher = t
        }
    };
    e.prototype = {
        get: function () {
            var t = [];
            if (t.push(navigator.userAgent), t.push(navigator.language), t.push(screen.colorDepth), this.screen_resolution) {
                var e = this.getScreenResolution();
                "undefined" != typeof e && t.push(this.getScreenResolution().join("x"))
            }
            t.push((new Date).getTimezoneOffset())
            t.push(this.hasSessionStorage())
            t.push(this.hasLocalStorage())
            t.push(!!window.indexedDB)
            t.push(typeof document.body.addBehavior)
            t.push(typeof window.openDatabase)
            t.push(navigator.cpuClass)
            t.push(navigator.platform)
            t.push(navigator.doNotTrack)
            t.push(this.getPluginsString())
            this.canvas && this.isCanvasSupported() && t.push(this.getCanvasFingerprint())
            return this.hasher ? this.hasher(t.join("###"), 31) : this.murmurhash3_32_gc(t.join("###"), 31)
        },
        murmurhash3_32_gc: function (t, e) {
            var n, r, i, a, o, s, c, h;
            for (n = 3 & t.length, r = t.length - n, i = e, o = 3432918353, s = 461845907, h = 0; r > h;) c = 255 & t.charCodeAt(h) | (255 & t.charCodeAt(++h)) << 8 | (255 & t.charCodeAt(++h)) << 16 | (255 & t.charCodeAt(++h)) << 24, ++h, c = 4294967295 & (65535 & c) * o + ((65535 & (c >>> 16) * o) << 16), c = c << 15 | c >>> 17, c = 4294967295 & (65535 & c) * s + ((65535 & (c >>> 16) * s) << 16), i ^= c, i = i << 13 | i >>> 19, a = 4294967295 & 5 * (65535 & i) + ((65535 & 5 * (i >>> 16)) << 16), i = (65535 & a) + 27492 + ((65535 & (a >>> 16) + 58964) << 16);
            switch (c = 0, n) {
            case 3:
                c ^= (255 & t.charCodeAt(h + 2)) << 16;
            case 2:
                c ^= (255 & t.charCodeAt(h + 1)) << 8;
            case 1:
                c ^= 255 & t.charCodeAt(h), c = 4294967295 & (65535 & c) * o + ((65535 & (c >>> 16) * o) << 16), c = c << 15 | c >>> 17, c = 4294967295 & (65535 & c) * s + ((65535 & (c >>> 16) * s) << 16), i ^= c
            }
            return i ^= t.length, i ^= i >>> 16, i = 4294967295 & 2246822507 * (65535 & i) + ((65535 & 2246822507 * (i >>> 16)) << 16), i ^= i >>> 13, i = 4294967295 & 3266489909 * (65535 & i) + ((65535 & 3266489909 * (i >>> 16)) << 16), i ^= i >>> 16, i >>> 0
        },
        hasLocalStorage: function () {
            try {
                return !!t.localStorage
            } catch (e) {
                return !0
            }
        },
        hasSessionStorage: function () {
            try {
                return !!t.sessionStorage
            } catch (e) {
                return !0
            }
        },
        isCanvasSupported: function () {
            var t = document.createElement("canvas");
            return !(!t.getContext || !t.getContext("2d"))
        },
        isIE: function () {
            return "Microsoft Internet Explorer" === navigator.appName ? !0 : "Netscape" === navigator.appName && /Trident/.test(navigator.userAgent) ? !0 : !1
        },
        getPluginsString: function () {
            return this.isIE() ? this.getIEPluginsString() : this.getRegularPluginsString()
        },
        getRegularPluginsString: function () {
            return this.map(navigator.plugins, function (t) {
                var e = this.map(t, function (t) {
                    return [t.type, t.suffixes].join("~")
                }).join(",");
                return [t.name, t.description, e].join("::")
            }, this).join(";")
        },
        getIEPluginsString: function () {
            var e = ["ShockwaveFlash.ShockwaveFlash",
                     "AcroPDF.PDF",
                     "PDF.PdfCtrl",
                     "QuickTime.QuickTime",
                     "rmocx.RealPlayer G2 Control",
                     "rmocx.RealPlayer G2 Control.1",
                     "RealPlayer.RealPlayer(tm) ActiveX Control (32-bit)",
                     "RealVideo.RealVideo(tm) ActiveX Control (32-bit)",
                     "RealPlayer",
                     "SWCtl.SWCtl",
                     "WMPlayer.OCX",
                     "AgControl.AgControl",
                     "Skype.Detection"];
            return this.ie_activex && t.ActiveXObject ? this.map(e, function (t) {
                try {
                    return new ActiveXObject(t), t
                } catch (e) {
                    return null
                }
            }).join(";") : ""
        },
        getScreenResolution: function () {
            return [screen.height, screen.width]
        },
        getCanvasFingerprint: function () {
            var t = document.createElement("canvas"),
                e = t.getContext("2d"),
                n = "http://valve.github.io";
            e.textBaseline = "top"
            e.font = "14px 'Arial'"
            e.textBaseline = "alphabetic"
            e.fillStyle = "#f60"
            e.fillRect(125, 1, 62, 20)
            e.fillStyle = "#069"
            e.fillText(n, 2, 15)
            e.fillStyle = "rgba(102, 204, 0, 0.7)"
            e.fillText(n, 4, 17)
            return t.toDataURL()
        }
    }, "object" == typeof module && "object" == typeof exports && (module.exports = e), t.Fingerprint = e
}(window);