Add menu in browser context menu when you right click on a standalone image page to search that image on search engines.
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/*
Search by Image Context Menu
Add menu in browser context menu when you right click on a standalone
image page to search that image on search engines.
Copyright (C) 2012 LouCypher
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>
*/
// ==UserScript==
// @name Search by Image Context Menu
// @namespace http://userscripts.org/users/12
// @description Add menu in browser context menu when you right click on a standalone image page to search that image on search engines.
// @version 2.0
// @author LouCypher
// @license GPL
// @resource license https://raw.github.com/LouCypher/userscripts/master/licenses/GPL/LICENSE.txt
// @include *
// @exclude file://*
// @grant GM_openInTab
// @grant GM.openInTab
// ==/UserScript==
if (!("contextMenu" in document.documentElement &&
"HTMLMenuItemElement" in window)) return;
var body = document.body;
body.addEventListener("contextmenu", initMenu, false);
var services = [
{
"name": "Google",
"host": "https://www.google.com/",
"query": "searchbyimage?image_url="
}, {
"name": "Bing",
"host": "https://www.bing.com/",
"query": "images/search?view=detailv2&iss=sbi&q=imgurl:"
}, {
"name": "Yandex",
"host": "https://yandex.com/",
"query": "images/search?rpt=imageview&url="
}, {
"name": "SauceNAO",
"host": "https://saucenao.com/",
"query": "search.php?url="
}, {
"name": "IQDB",
"host": "https://iqdb.org/",
"query": "?url="
}, {
"name": "TinEye",
"host": "https://tineye.com/",
"query": "search?sort=size&order=desc&url="
}
];
var menu = body.appendChild(document.createElement("menu"));
menu.setAttribute("id", "userscript-search-by-image");
menu.setAttribute("type", "context");
for (let i in services) {
let menuitem = menu.appendChild(document.createElement("menuitem"));
menuitem.setAttribute("label", "Search " + services[i].name);
menuitem.setAttribute("icon", services[i].host + "favicon.ico");
menuitem.setAttribute("url", services[i].host + services[i].query);
}
document.querySelector("#userscript-search-by-image")
.addEventListener("click", searchImage, false);
// Executed when user right click on web page body
// aEvent.target is the element you right click on
function initMenu(aEvent) {
let node = aEvent.target;
let item = document.querySelector("#userscript-search-by-image");
if (node.localName == "img") {
body.setAttribute("contextmenu", "userscript-search-by-image");
item.setAttribute("imageURL", node.src);
} else {
body.removeAttribute("contextmenu");
item.removeAttribute("imageURL");
}
}
function addParamsToForm(aForm, aKey, aValue) {
let hiddenField = document.createElement("input");
hiddenField.setAttribute("type", "hidden");
hiddenField.setAttribute("name", aKey);
hiddenField.setAttribute("value", aValue);
aForm.appendChild(hiddenField);
}
// Executed when user click on menuitem
// aEvent.target is the <menu> element
function searchImage(aEvent) {
let imageURL = aEvent.target.parentNode.getAttribute("imageURL");
console.log(aEvent.target);
if (imageURL.indexOf("data:") == 0) {
let base64Offset = imageURL.indexOf(",");
if (base64Offset != -1) {
let inlineImage = imageURL.substring(base64Offset + 1)
.replace(/\+/g, "-")
.replace(/\//g, "_")
.replace(/\./g, "=");
let form = document.createElement("form");
form.setAttribute("method", "POST");
form.setAttribute("action", "//www.google.com/searchbyimage/upload");
form.setAttribute("enctype", "multipart/form-data");
form.setAttribute("target", "_blank");
addParamsToForm(form, "image_content", inlineImage);
addParamsToForm(form, "filename", "");
addParamsToForm(form, "image_url", "");
body.appendChild(form);
form.submit();
}
} else {
let url = aEvent.target.getAttribute("url") +
encodeURIComponent(imageURL);
if (typeof GM_openInTab == "function") {
GM_openInTab(url);
} else if (typeof GM.openInTab == "function") {
GM.openInTab(url, false);
} else {
open(url);
}
}
}