Pinterest - Open Original Image and Save

Open the original (largest) image in a new tab by pressing 'z' while hovering over a pin,save the image.

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         Pinterest - Open Original Image and Save
// @namespace    http://tampermonkey.net/
// @version      0.2.3
// @description  Open the original (largest) image in a new tab by pressing 'z' while hovering over a pin,save the image.
// @author       haofong
// @include      https://*.pinterest.tld/*
// @grant        GM_openInTab
// @grant        GM_download

// @noframes
// @license      MIT
// @compatible   firefox Firefox
// @compatible   chrome Chrome
// ==/UserScript==

(function() {
    'use strict';

    // Custom key. Only single letters.
    const KEY_TO_OPEN = "z";

    // Immediately switch to new tab?
    // Note: Hold SHIFT key to do the opposite of this (e.g. shift-z)
    const ACTIVATE_NEW_TAB = true;

    function showImage(shouldActivateTab)
    {
        const imageUrl = getOriginalImage();
        if (imageUrl && /\.(?:jpe?g|png|gif|webp)$/.test(imageUrl)) {
            GM_openInTab(imageUrl, {active: shouldActivateTab});
            var fileName = CurentTime() + "—" + imageUrl.substr(imageUrl.lastIndexOf("/"));
            //download(imageUrl ,fileName, "image/gif" );
            //downloadURI(imageUrl, fileName);
            download3(imageUrl, fileName);
            //GM_download({
            //    url:imageUrl,
            //    saveAs:true,
            //    name:imageUrl.substr(imageUrl.lastIndexOf("/"))
            //});
        }
    }

    function downloadURI(uri, name) {
        // Create an invisible A element
        const a = document.createElement("a");
        a.style.display = "none";
        document.body.appendChild(a);

        // Set the HREF to a Blob representation of the data to be downloaded
        a.href = window.URL.createObjectURL(
            new Blob([uri], "image/gif")
        );

        // Use download attribute to set set desired file name
        a.setAttribute("download", name);

        // Trigger the download by simulating click
        a.click();

        // Cleanup
        window.URL.revokeObjectURL(a.href);
        document.body.removeChild(a);
    }

    function download3(data, strFileName){
        var x=new XMLHttpRequest();
        x.open("GET", data, true);
        x.responseType = 'blob';
        x.onload=function(e){download(x.response, strFileName, "image/gif" ); }
        x.send();
    }

    function download(data, strFileName, strMimeType) {

        var self = window, // this script is only for browsers anyway...
            u = "application/octet-stream", // this default mime also triggers iframe downloads
            m = strMimeType || u,
            x = data,
            D = document,
            a = D.createElement("a"),
            z = function(a){return String(a);},


            B = self.Blob || self.MozBlob || self.WebKitBlob || z,
            BB = self.MSBlobBuilder || self.WebKitBlobBuilder || self.BlobBuilder,
            fn = strFileName || "download",
            blob,
            b,
            ua,
            fr;

        //if(typeof B.bind === 'function' ){ B=B.bind(self); }

        if(String(this)==="true"){ //reverse arguments, allowing download.bind(true, "text/xml", "export.xml") to act as a callback
            x=[x, m];
            m=x[0];
            x=x[1];
        }
        //go ahead and download dataURLs right away
        if(String(x).match(/^data\:[\w+\-]+\/[\w+\-]+[,;]/)){
            return navigator.msSaveBlob ?  // IE10 can't do a[download], only Blobs:
                navigator.msSaveBlob(d2b(x), fn) :
            saver(x) ; // everyone else can save dataURLs un-processed
        }//end if dataURL passed?

        try{

            blob = x instanceof B ?
                x :
            new B([x], {type: m}) ;
        }catch(y){
            if(BB){
                b = new BB();
                b.append([x]);
                blob = b.getBlob(m); // the blob
            }

        }
        function d2b(u) {
            var p= u.split(/[:;,]/),
                t= p[1],
                dec= p[2] == "base64" ? atob : decodeURIComponent,
                bin= dec(p.pop()),
                mx= bin.length,
                i= 0,
                uia= new Uint8Array(mx);

            for(i;i<mx;++i) uia[i]= bin.charCodeAt(i);

            return new B([uia], {type: t});
        }
        function saver(url, winMode){
            if ('download' in a) { //html5 A[download]
                a.href = url;
                a.setAttribute("download", fn);
                a.innerHTML = "downloading...";
                D.body.appendChild(a);
                setTimeout(function() {
                    a.click();
                    D.body.removeChild(a);
                    if(winMode===true){setTimeout(function(){ self.URL.revokeObjectURL(a.href);}, 250 );}
                }, 66);
                return true;
            }

            //do iframe dataURL download (old ch+FF):
            var f = D.createElement("iframe");
            D.body.appendChild(f);
            if(!winMode){ // force a mime that will download:
                url="data:"+url.replace(/^data:([\w\/\-\+]+)/, u);
            }


            f.src = url;
            setTimeout(function(){ D.body.removeChild(f); }, 333);

        }//end saver


        if (navigator.msSaveBlob) { // IE10+ : (has Blob, but not a[download] or URL)
            return navigator.msSaveBlob(blob, fn);
        }

        if(self.URL){ // simple fast and modern way using Blob and URL:
            saver(self.URL.createObjectURL(blob), true);
        }else{
            // handle non-Blob()+non-URL browsers:
            if(typeof blob === "string" || blob.constructor===z ){
                try{
                    return saver( "data:" +  m   + ";base64,"  +  self.btoa(blob)  );
                }catch(y){
                    return saver( "data:" +  m   + "," + encodeURIComponent(blob)  );
                }
            }

            // Blob but not URL:
            fr=new FileReader();
            fr.onload=function(e){
                saver(this.result);
            };
            fr.readAsDataURL(blob);
        }
        return true;

    } /* end download() */

    function CurentTime(){
        var now = new Date();

        var year = now.getFullYear();       //年
        var month = now.getMonth() + 1;     //月
        var day = now.getDate();            //日

        var hh = now.getHours();            //时
        var mm = now.getMinutes();          //分
        var ss = now.getSeconds();           //秒

        var clock = year + "";

        if(month < 10)
            clock += "0";

        clock += month + "";

        if(day < 10)
            clock += "0";

        clock += day + "-";

        if(hh < 10)
            clock += "0";

        clock += hh + ":";
        if (mm < 10) clock += '0';
        clock += mm + ":";

        if (ss < 10) clock += '0';
        clock += ss;
        return(clock);
    }


    function getEventHandler(pin)
    {
        return Object.keys(pin).find(
            prop => prop.startsWith("__reactEventHandlers")
        );
    }

    function getPathToImagesFromChild(obj)
    {
        if (obj && obj.props) {
            if (obj.props.data && obj.props.data.images) {
                return obj.props.data.images;
            }
            if (obj.props.pin && obj.props.pin.images) {
                return obj.props.pin.images;
            }
        }
    }

    function getOriginalImage()
    {
        // TODO: split into two functions, or combine them somehow
        let path, handler;
        const hoveredElements = document.querySelectorAll(':hover');
        let len = hoveredElements.length;
        while (len--) {
            const el = hoveredElements[len];
            if (handler === undefined) handler = getEventHandler(el);
            if (!handler) continue;
            const target = el[handler];
            if (target && target.children) {
                if (Array.isArray(target.children)) {
                    for (let child of target.children) {
                        path = getPathToImagesFromChild(child);
                    }
                } else {
                    path = getPathToImagesFromChild(target.children);
                }
                if (path && path.orig && path.orig) {
                    return path.orig.url;
                }
            }
        }
        // Try again using img srcset
        len = hoveredElements.length;
        while (len--) {
            const el = hoveredElements[len];
            let img = el.querySelector('img[srcset]');
            if (el && img) {
                let srcset = img.srcset.split(/,\s*/);
                for (let src of srcset) {
                    if (src.includes('originals')) {
                        let imageOrig = src.split(/\s+/)[0];
                        return imageOrig;
                    }
                }
                return null;
            }
        }
    }

    window.addEventListener("keydown",
                            function(event) {
        // console.debug("active element:", document.activeElement);
        if (event.defaultPrevented ||
            /(input|textarea)/i.test(document.activeElement.nodeName) ||
            document.activeElement.matches('[role="textarea"]') ||
            document.activeElement.matches('[role="textbox"]'))
        {
            return;
        }
        switch (event.key) {
            case KEY_TO_OPEN.toLowerCase():
                showImage(ACTIVATE_NEW_TAB);
                break;
            case KEY_TO_OPEN.toUpperCase():
                showImage(!ACTIVATE_NEW_TAB);
                break;
            default:
                return;
        }
        event.preventDefault();
    },
                            true
                           );

})();