diff --git a/128.png b/128.png new file mode 100644 index 0000000..9d04da2 Binary files /dev/null and b/128.png differ diff --git a/16.png b/16.png new file mode 100644 index 0000000..cbc8809 Binary files /dev/null and b/16.png differ diff --git a/48.png b/48.png new file mode 100644 index 0000000..bdbe48a Binary files /dev/null and b/48.png differ diff --git a/README.md b/README.md index 4ee8769..75b1727 100644 --- a/README.md +++ b/README.md @@ -1,2 +1,7 @@ -# CRX-Extractor-Downloader +# crx-download +Download CRX files as zip or directly. +### Store Links + +1. [Chrome Store](https://chrome.google.com/webstore/detail/crx-extractordownloader/ajkhmmldknmfjnmeedkbkkojgobmljda) +2. [Microsoft Edge Store](https://microsoftedge.microsoft.com/addons/detail/crx-extractordownloader/gfgehnhkaggeillajnpegcanbdjcbeja) diff --git a/background.js b/background.js new file mode 100644 index 0000000..94276d1 --- /dev/null +++ b/background.js @@ -0,0 +1,191 @@ +let chromeURLPattern = /^https?:\/\/chrome.google.com\/webstore\/.+?\/([a-z]{32})(?=[\/#?]|$)/; +let microsoftURLPattern = /^https?:\/\/microsoftedge.microsoft.com\/addons\/detail\/.+?\/([a-z]{32})(?=[\/#?]|$)/; +let chromeNewURLPattern = /^https?:\/\/chromewebstore.google.com\/detail\/.+?\/([a-z]{32})(?=[\/#?]|$)/; + + +function getChromeVersion() { + var pieces = navigator.userAgent.match(/Chrom(?:e|ium)\/([0-9]+)\.([0-9]+)\.([0-9]+)\.([0-9]+)/); + if (pieces == null || pieces.length != 5) { + return undefined; + } + pieces = pieces.map(piece => parseInt(piece, 10)); + return { + major: pieces[1], + minor: pieces[2], + build: pieces[3], + patch: pieces[4] + }; +} + +function getNaclArch() { + var nacl_arch = 'arm'; + if (navigator.userAgent.indexOf('x86') > 0) { + nacl_arch = 'x86-32'; + } else if (navigator.userAgent.indexOf('x64') > 0) { + nacl_arch = 'x86-64'; + } + return nacl_arch; +} +let currentVersion = getChromeVersion(); +let version = currentVersion.major + "." + currentVersion.minor + "." + currentVersion.build + "." + currentVersion.patch; +const nacl_arch = getNaclArch(); + +function getTabTitle(title, currentEXTId, url) { + if (!chromeNewURLPattern.exec(url)) { + title = title.match(/^(.*[-])/); + if (title) { + title = title[0].split(' - ').join(""); + } else { + title = currentEXTId; + } + } + // Ѐ-ӿ matches cyrillic characters + return (title).replace(/[&\/\\#,+()$~%.'":*?<>|{}\sЀ-ӿ]/g, '-').replace(/-*$/g, '').replace(/-+/g, '-'); +} + +function download(downloadAs, tab) { + + var query = { + active: true, + currentWindow: true + }; + result = chromeURLPattern.exec(tab.url); + if (!result) { + result = chromeNewURLPattern.exec(tab.url); + } + if (result && result[1]) { + var name = getTabTitle(tab.title, result[1], tab.url); + if (downloadAs === "zip") { + url = `https://clients2.google.com/service/update2/crx?response=redirect&prodversion=${version}&x=id%3D${result[1]}%26installsource%3Dondemand%26uc&nacl_arch=${nacl_arch}&acceptformat=crx2,crx3`; + convertURLToZip(url, function (urlVal) { + downloadFile(urlVal, name + ".zip"); + + }); + } else if (downloadAs === "crx") { + url = `https://clients2.google.com/service/update2/crx?response=redirect&prodversion=${version}&acceptformat=crx2,crx3&x=id%3D${result[1]}%26uc&nacl_arch=${nacl_arch}`; + downloadFile(url, name + ".crx", result[1] + ".crx"); + } + } + var edgeId = microsoftURLPattern.exec(tab.url); + if (edgeId && edgeId[1] && downloadAs === "crx") { + var name = getTabTitle(tab.title, edgeId[1], tab.url); + url = `https://edge.microsoft.com/extensionwebstorebase/v1/crx?response=redirect&prod=chromiumcrx&prodchannel=&x=id%3D${edgeId[1]}%26installsource%3Dondemand%26uc`; + downloadFile(url, name + ".crx", edgeId[1] + ".crx"); + } + // }); +} + +function ArrayBufferToBlob(arraybuffer, callback) { + + var data = arraybuffer; + var buf = new Uint8Array(data); + var publicKeyLength, signatureLength, header, zipStartOffset; + if (buf[4] === 2) { + header = 16; + publicKeyLength = 0 + buf[8] + (buf[9] << 8) + (buf[10] << 16) + (buf[11] << 24); + signatureLength = 0 + buf[12] + (buf[13] << 8) + (buf[14] << 16) + (buf[15] << 24); + zipStartOffset = header + publicKeyLength + signatureLength; + } else { + publicKeyLength = 0 + buf[8] + (buf[9] << 8) + (buf[10] << 16) + (buf[11] << 24 >>> 0); + zipStartOffset = 12 + publicKeyLength; + } + // 16 = Magic number (4), CRX format version (4), lengths (2x4) + + return new Blob([ + new Uint8Array(arraybuffer, zipStartOffset) + ], { + type: 'application/zip' + }); +} + +function convertURLToZip(url, callback, xhrProgressListener) { + var requestUrl = url; + fetch(requestUrl).then(function (response) { + return (response.arrayBuffer()) + }).then((res) => { + var zipFragment = ArrayBufferToBlob(res); + var reader = new FileReader(); + reader.readAsDataURL(zipFragment); + reader.onloadend = function () { + var base64data = reader.result; + callback(base64data); + } + + }); + +} + + +function downloadFile(url, fileName, currentEXTId = "unknown", _fails = 0) { + chrome.downloads.download({ + url: url, + filename: fileName, + saveAs: true + }, function () { + if (chrome.runtime.lastError) { + if (chrome.runtime.lastError.message === "Invalid filename" && _fails < 1) { + downloadFile(url, currentEXTId, currentEXTId, _fails + 1); + } else { + alert('An error occurred while trying to save ' + fileName + ':\n\n' + + chrome.runtime.lastError.message); + } + } + }); +} + + + + +function onClickEvent(info, tab) { + + if (info.menuItemId === "crx" || info.menuItemId === "crxmicrosoft") { + download("crx", tab) + } else if (info.menuItemId === "zip") { + download("zip", tab) + } + console.log(info) + +} +chrome.contextMenus.onClicked.addListener(onClickEvent); + + +chrome.runtime.setUninstallURL("https://thebyteseffect.com/posts/reason-for-uninstall-crx-extractor/", null); +chrome.runtime.onInstalled.addListener(function (details) { + if (details.reason == "install") { + chrome.tabs.create({ + url: "https://thebyteseffect.com/posts/crx-extractor-features/" + }); + + } + const parent = chrome.contextMenus.create({ + 'title': 'Download CRX for this extension', + 'contexts': ['all'], + 'id': "parent", + 'documentUrlPatterns': ['https://chrome.google.com/webstore/detail/*', 'https://chromewebstore.google.com/detail/*'] + }); + chrome.contextMenus.create({ + 'title': 'Download CRX for this extension', + 'contexts': ['all'], + id: "crx", + parentId: parent, + 'documentUrlPatterns': ['https://chrome.google.com/webstore/detail/*', 'https://chromewebstore.google.com/detail/*'] + }); + + chrome.contextMenus.create({ + 'title': 'Download CRX for this extension', + 'contexts': ['all'], + parentId: parent, + id: "crxmicrosoft", + 'documentUrlPatterns': ['https://microsoftedge.microsoft.com/addons/detail/*'] + }); + chrome.contextMenus.create({ + 'title': 'Download ZIP for this extension', + 'contexts': ['all'], + id: "zip", + parentId: parent, + 'documentUrlPatterns': ['https://chrome.google.com/webstore/detail/*', 'https://chromewebstore.google.com/detail/*'] + }); +}); +chrome.runtime.onMessage.addListener(function (request, sender, sendResponse) { + download(request.download, request.tab); +}); diff --git a/manifest.json b/manifest.json new file mode 100644 index 0000000..3c8d932 --- /dev/null +++ b/manifest.json @@ -0,0 +1,31 @@ +{ + "update_url": "https://clients2.google.com/service/update2/crx", + "name": "CRX Extractor/Downloader", + "version": "1.5.8", + "manifest_version": 3, + "description": "Download CRX Files directly as crx or zip file depending upon your choice", + "permissions": [ + "downloads", + "contextMenus", + "activeTab", + "downloads" + ], + "background": { + "service_worker": "background.js" + }, + "host_permissions": [ + "*://clients2.google.com/service/update2/crx*", + "*://clients2.googleusercontent.com/crx/download/*" +], + "icons": { + "16": "16.png", + "48": "48.png", + "128": "128.png" + }, + + "action": { + "default_icon": "128.png", + "default_popup": "popup.html" + } +} + diff --git a/popup.html b/popup.html new file mode 100644 index 0000000..a3ad9f6 --- /dev/null +++ b/popup.html @@ -0,0 +1,157 @@ + + + + + + Download CRX + + + + + + + + + + +
+ + + +
+
+ + + +
+ + + +
+
+ Rate Us +
+ ☆☆☆☆☆ +
+
+
+ + + + \ No newline at end of file diff --git a/popup.js b/popup.js new file mode 100644 index 0000000..83e5628 --- /dev/null +++ b/popup.js @@ -0,0 +1,96 @@ + + +let chromeURLPattern = /^https?:\/\/chrome.google.com\/webstore\/.+?\/([a-z]{32})(?=[\/#?]|$)/; +let chromeNewURLPattern = /^https?:\/\/chromewebstore.google.com\/detail\/.+?\/([a-z]{32})(?=[\/#?]|$)/; +let microsoftURLPattern = /^https?:\/\/microsoftedge.microsoft.com\/addons\/detail\/.+?\/([a-z]{32})(?=[\/#?]|$)/; + + +function ready() { + document.getElementById('downloadZIP').onclick = async function () { + let queryOptions = { active: true, currentWindow: true }; + let [tab] = await chrome.tabs.query(queryOptions); + chrome.runtime.sendMessage({download:"zip", tab: tab}); + }; + document.getElementById('downloadCRX').onclick = async function () { + let queryOptions = { active: true, currentWindow: true }; + let [tab] = await chrome.tabs.query(queryOptions); + chrome.runtime.sendMessage({download:"crx",tab:tab}); + }; + + document.getElementById("convertCRXToZip").onchange = function (files) { + setTimeout(() => { + document.getElementById("loader").style.display = "none"; + document.getElementById("downloadCRXToZip").style.display = "block"; + }, 2000); + document.getElementById("loader").style.display = "block"; + document.getElementById("downloadCRXToZip").style.display = "none"; + + return false; + } + document.getElementById("downloadCRXToZip").onclick = function () { + var file = document.getElementById("convertCRXToZip").files[0]; + + var reader = new FileReader(); + reader.onload = function (e) { + var data = reader.result; + var buf = new Uint8Array(data); + var publicKeyLength, signatureLength, header, zipStartOffset; + if (buf[4] === 2) { + header = 16; + publicKeyLength = 0 + buf[8] + (buf[9] << 8) + (buf[10] << 16) + (buf[11] << 24); + signatureLength = 0 + buf[12] + (buf[13] << 8) + (buf[14] << 16) + (buf[15] << 24); + zipStartOffset = header + publicKeyLength + signatureLength; + } else { + publicKeyLength = 0 + buf[8] + (buf[9] << 8) + (buf[10] << 16) + (buf[11] << 24 >>> 0); + zipStartOffset = 12 + publicKeyLength; + } + // 16 = Magic number (4), CRX format version (4), lengths (2x4) + var zip = buf.slice(zipStartOffset, buf.length); + var fileName = file.name.replace(".crx", ".zip") + var blob = new Blob([zip], { type: "application/octet-stream" }); + var url = window.URL.createObjectURL(blob); + chrome.downloads.download({ + url: url, + filename: fileName, + saveAs: true + }); + + } + reader.readAsArrayBuffer(file); + + + } + document.getElementById('rating').onclick = function () { + window.open("https://chrome.google.com/webstore/detail/crx-extractordownloader/ajkhmmldknmfjnmeedkbkkojgobmljda/reviews"); + }; + chrome.tabs.query({ active: true, currentWindow: true }, function (tab) { + tab = tab[0]; + var id = chromeURLPattern.exec(tab.url); + + if (!id) { + id = chromeNewURLPattern.exec(tab.url); + } + var edgeId = microsoftURLPattern.exec(tab.url); + + + document.getElementById("info").style.display = "block"; + var elements = document.getElementsByClassName('defaultBtn'); + var length = elements.length; + for (var i = 0; i < length; i++) { + elements[i].style.display = 'none'; + } + + if (edgeId !== null && edgeId[1] !== null) { + document.getElementById("info").style.display = "none"; + document.getElementById('downloadCRX').style.display = 'block'; + } else if (id !== null && id[1] !== null) { + document.getElementById("info").style.display = "none"; + var elements = document.getElementsByClassName('defaultBtn'); + var length = elements.length; + for (var i = 0; i < length; i++) { + elements[i].style.display = 'block'; + } + } + }); +} +ready(); \ No newline at end of file