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SingleFile
зеркало из https://github.com/gildas-lormeau/SingleFile
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Просмотр исходного кода

use an iframe to download pages when "save pages in background" is disabled

Gildas 6 лет назад
Родитель
e6d6eee70f
Сommit
21804113ab
5 измененных файлов с 55 добавлено и 11 удалено
Единый вид Показать статистику Diff
  1. 25 8
      extension/core/content/content.js
  2. 16 0
      extension/ui/content/content-download.js
  3. 9 0
      extension/ui/pages/downloader.html
  4. 1 3
      extension/ui/pages/help.html
  5. 4 0
      manifest.json

+ 25 - 8
extension/core/content/content.js
Просмотреть файл 

@@ -21,11 +21,12 @@
 
  *   Source.
 
  *   Source.
 
  */
 
  */
 
 
 
-/* global browser, SingleFileBrowser, singlefile, frameTree, document, MouseEvent, window, lazyLoader, URL, setTimeout, docHelper, Blob */
 
+/* global browser, SingleFileBrowser, singlefile, frameTree, document, addEventListener, removeEventListener, window, lazyLoader, setTimeout, docHelper */
 
 
 
 this.singlefile.top = this.singlefile.top || (() => {
 
 this.singlefile.top = this.singlefile.top || (() => {
 
 
 
 	const MAX_CONTENT_SIZE = 64 * (1024 * 1024);
 
 	const MAX_CONTENT_SIZE = 64 * (1024 * 1024);
 
+	const DOWNLOADER_FRAME_ID = "single-file-downloader";
 
 	const SingleFile = SingleFileBrowser.getClass();
 
 	const SingleFile = SingleFileBrowser.getClass();
 
 
 
 	let processing = false;
 
 	let processing = false;
 
@@ -62,6 +63,10 @@ this.singlefile.top = this.singlefile.top || (() => {
 
 
 
 	async function processPage(options) {
 
 	async function processPage(options) {
 
 		docHelper.initDoc(document);
 
 		docHelper.initDoc(document);
 
+		const iframe = document.getElementById(DOWNLOADER_FRAME_ID);
 
+		if (iframe) {
 
+			iframe.remove();
 
+		}
 
 		if (options.shadowEnabled) {
 
 		if (options.shadowEnabled) {
 
 			singlefile.ui.onStartPage();
 
 			singlefile.ui.onStartPage();
 
 		}
 
 		}
 
@@ -193,13 +198,25 @@ this.singlefile.top = this.singlefile.top || (() => {
 
 			page.filename = singlefile.ui.prompt("File name", page.filename);
 
 			page.filename = singlefile.ui.prompt("File name", page.filename);
 
 		}
 
 		}
 
 		if (page.filename && page.filename.length) {
 
 		if (page.filename && page.filename.length) {
 
-			const link = document.createElement("a");
 
-			document.body.appendChild(link);
 
-			link.download = page.filename;
 
-			link.href = URL.createObjectURL(new Blob([page.content], { type: "text/html" }));
 
-			link.dispatchEvent(new MouseEvent("click"));
 
-			link.remove();
 
-			URL.revokeObjectURL(page.url);
 
+			const iframe = document.createElement("iframe");
 
+			iframe.id = DOWNLOADER_FRAME_ID;
 
+			iframe.style.setProperty("display", "inline-block", "important");
 
+			iframe.style.setProperty("max-width", "0", "important");
 
+			iframe.style.setProperty("max-height", "0", "important");
 
+			iframe.style.setProperty("border-width", "0", "important");
 
+			iframe.style.setProperty("margin", "0", "important");
 
+			iframe.src = browser.runtime.getURL("/extension/ui/pages/downloader.html");
 
+			iframe.onload = () => {
 
+				addEventListener("message", listener, false);
 
+				iframe.contentWindow.postMessage(JSON.stringify([page.filename, page.content]), "*");
 
+			};
 
+			document.body.appendChild(iframe);
 
+		}
 
+
 
+		function listener(event) {
 
+			if (event.data == "content.saved") {
 
+				removeEventListener("message", listener, false);
 
+			}
 
 		}
 
 		}
 
 	}
 
 	}

+ 16 - 0
extension/ui/content/content-download.js
Просмотреть файл 

@@ -0,0 +1,16 @@
 
+/* global addEventListener, removeEventListener, document, URL, MouseEvent, Blob, top */
 
+
 
+addEventListener("message", listener, false);
 
+
 
+function listener(event) {
 
+	removeEventListener("message", listener, false);
 
+	const [filename, content] = JSON.parse(event.data);
 
+	const link = document.createElement("a");
 
+	document.body.appendChild(link);
 
+	link.download = filename;
 
+	const url = URL.createObjectURL(new Blob([content], { type: "text/html" }));
 
+	link.href = url;
 
+	link.dispatchEvent(new MouseEvent("click"));
 
+	URL.revokeObjectURL(url);
 
+	top.postMessage("content.saved", "*");
 
+}

+ 9 - 0
extension/ui/pages/downloader.html
Просмотреть файл 

@@ -0,0 +1,9 @@
 
+<!DOCTYPE html>

+<html>

+<head>

+    <title>SingleFile</title>

+</head>

+<body>

+    <script src="/extension/ui/content/content-download.js"></script>

+</body>

+</html>

+ 1 - 3
extension/ui/pages/help.html
Просмотреть файл 

@@ -313,9 +313,7 @@
 
 							background</span>
 
 							background</span>
 
 						<p>Uncheck this option if you get invalid file names like
 
 						<p>Uncheck this option if you get invalid file names like
 
 							"37bec68b-446a-46a5-8642-19a89c231b46.html" or interrupted downloads when saving pages.
 
 							"37bec68b-446a-46a5-8642-19a89c231b46.html" or interrupted downloads when saving pages.
 
-							Unchecking this option prevent using sub-directories in filename templates. Unchecking this
 
-							option can also introduce a security issue where a potential malicious script could read the
 
-							content of the saved page.</p>
 
+							Unchecking this option prevent using sub-directories in filename templates.</p>
 
 						<p class="notice">It is recommended to <u>check</u> this option</p>
 
 						<p class="notice">It is recommended to <u>check</u> this option</p>
 
 					</li>
 
 					</li>
 
 					<li data-options-label="displayStatsLabel"> <span class="option">Option: display stats in the
 
 					<li data-options-label="displayStatsLabel"> <span class="option">Option: display stats in the

+ 4 - 0
manifest.json
Просмотреть файл 

@@ -119,6 +119,10 @@
 
 			}
 
 			}
 
 		}
 
 		}
 
 	},
 
 	},
 
+	"web_accessible_resources": [
 
+		"extension/ui/content/content-download.js",
 
+		"extension/ui/pages/downloader.html"
 
+	],
 
 	"permissions": [
 
 	"permissions": [
 
 		"menus",
 
 		"menus",
 
 		"clipboardWrite",
 
 		"clipboardWrite",