Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 199 insertions, 0 deletions

diff --git a/mobile/android/components/extensions/ext-downloads.js b/mobile/android/components/extensions/ext-downloads.js
new file mode 100644
index 0000000000..51bcdca79b
--- /dev/null
+++ b/mobile/android/components/extensions/ext-downloads.js
@@ -0,0 +1,199 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+ChromeUtils.defineModuleGetter(this, "OS", "resource://gre/modules/osfile.jsm");
+ChromeUtils.defineModuleGetter(
+  this,
+  "DownloadPaths",
+  "resource://gre/modules/DownloadPaths.jsm"
+);
+
+var { ignoreEvent } = ExtensionCommon;
+
+const REQUEST_DOWNLOAD_MESSAGE = "GeckoView:WebExtension:Download";
+
+const FORBIDDEN_HEADERS = [
+  "ACCEPT-CHARSET",
+  "ACCEPT-ENCODING",
+  "ACCESS-CONTROL-REQUEST-HEADERS",
+  "ACCESS-CONTROL-REQUEST-METHOD",
+  "CONNECTION",
+  "CONTENT-LENGTH",
+  "COOKIE",
+  "COOKIE2",
+  "DATE",
+  "DNT",
+  "EXPECT",
+  "HOST",
+  "KEEP-ALIVE",
+  "ORIGIN",
+  "TE",
+  "TRAILER",
+  "TRANSFER-ENCODING",
+  "UPGRADE",
+  "VIA",
+];
+
+const FORBIDDEN_PREFIXES = /^PROXY-|^SEC-/i;
+
+const State = {
+  IN_PROGRESS: "in_progress",
+  INTERRUPTED: "interrupted",
+  COMPLETE: "complete",
+};
+
+// TODO Bug 1247794: make id and extension info persistent
+class DownloadItem {
+  constructor(downloadInfo, options, extension) {
+    this.id = downloadInfo.id;
+    this.url = options.url;
+    this.referrer = downloadInfo.referrer || "";
+    this.filename = options.filename || "";
+    this.incognito = options.incognito;
+    this.danger = downloadInfo.danger || "safe"; // todo; not implemented in toolkit either
+    this.mime = downloadInfo.mime || "";
+    this.startTime = Date.now().toString();
+    this.state = State.IN_PROGRESS;
+    this.paused = false;
+    this.canResume = false;
+    this.bytesReceived = 0;
+    this.totalBytes = -1;
+    this.fileSize = -1;
+    this.exists = downloadInfo.exists || false;
+    this.byExtensionId = extension?.id;
+    this.byExtensionName = extension?.name;
+  }
+}
+
+this.downloads = class extends ExtensionAPI {
+  getAPI(context) {
+    const { extension } = context;
+    return {
+      downloads: {
+        download(options) {
+          // the validation checks should be kept in sync with the toolkit implementation
+          const { filename } = options;
+          if (filename != null) {
+            if (!filename.length) {
+              return Promise.reject({ message: "filename must not be empty" });
+            }
+
+            const path = OS.Path.split(filename);
+            if (path.absolute) {
+              return Promise.reject({
+                message: "filename must not be an absolute path",
+              });
+            }
+
+            if (path.components.some(component => component == "..")) {
+              return Promise.reject({
+                message: "filename must not contain back-references (..)",
+              });
+            }
+
+            if (
+              path.components.some(component => {
+                const sanitized = DownloadPaths.sanitize(component, {
+                  compressWhitespaces: false,
+                });
+                return component != sanitized;
+              })
+            ) {
+              return Promise.reject({
+                message: "filename must not contain illegal characters",
+              });
+            }
+          }
+
+          if (options.incognito && !context.privateBrowsingAllowed) {
+            return Promise.reject({
+              message: "Private browsing access not allowed",
+            });
+          }
+
+          if (options.headers) {
+            for (const { name } of options.headers) {
+              if (
+                FORBIDDEN_HEADERS.includes(name.toUpperCase()) ||
+                name.match(FORBIDDEN_PREFIXES)
+              ) {
+                return Promise.reject({
+                  message: "Forbidden request header name",
+                });
+              }
+            }
+          }
+
+          return EventDispatcher.instance
+            .sendRequestForResult({
+              type: REQUEST_DOWNLOAD_MESSAGE,
+              options,
+              extensionId: extension.id,
+            })
+            .then(value => {
+              const downloadItem = new DownloadItem(
+                { id: value },
+                options,
+                extension
+              );
+              return downloadItem.id;
+            });
+        },
+
+        removeFile(downloadId) {
+          throw new ExtensionError("Not implemented");
+        },
+
+        search(query) {
+          throw new ExtensionError("Not implemented");
+        },
+
+        pause(downloadId) {
+          throw new ExtensionError("Not implemented");
+        },
+
+        resume(downloadId) {
+          throw new ExtensionError("Not implemented");
+        },
+
+        cancel(downloadId) {
+          throw new ExtensionError("Not implemented");
+        },
+
+        showDefaultFolder() {
+          throw new ExtensionError("Not implemented");
+        },
+
+        erase(query) {
+          throw new ExtensionError("Not implemented");
+        },
+
+        open(downloadId) {
+          throw new ExtensionError("Not implemented");
+        },
+
+        show(downloadId) {
+          throw new ExtensionError("Not implemented");
+        },
+
+        getFileIcon(downloadId, options) {
+          throw new ExtensionError("Not implemented");
+        },
+
+        onChanged: ignoreEvent(context, "downloads.onChanged"),
+
+        onCreated: ignoreEvent(context, "downloads.onCreated"),
+
+        onErased: ignoreEvent(context, "downloads.onErased"),
+
+        onDeterminingFilename: ignoreEvent(
+          context,
+          "downloads.onDeterminingFilename"
+        ),
+      },
+    };
+  }
+};