1 files changed, 133 insertions, 0 deletions
diff --git a/browser/components/migration/IEProfileMigrator.sys.mjs b/browser/components/migration/IEProfileMigrator.sys.mjs
new file mode 100644
index 0000000000..d0fd504e1a
--- /dev/null
+++ b/browser/components/migration/IEProfileMigrator.sys.mjs
@@ -0,0 +1,133 @@
+/* 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/. */
+
+import { MigrationUtils } from "resource:///modules/MigrationUtils.sys.mjs";
+import { MigratorBase } from "resource:///modules/MigratorBase.sys.mjs";
+import { MSMigrationUtils } from "resource:///modules/MSMigrationUtils.sys.mjs";
+
+import { PlacesUtils } from "resource://gre/modules/PlacesUtils.sys.mjs";
+
+// Resources
+
+function History() {}
+
+History.prototype = {
+  type: MigrationUtils.resourceTypes.HISTORY,
+
+  get exists() {
+    return true;
+  },
+
+  migrate: function H_migrate(aCallback) {
+    let pageInfos = [];
+    let typedURLs = MSMigrationUtils.getTypedURLs(
+      "Software\\Microsoft\\Internet Explorer"
+    );
+    let now = new Date();
+    let maxDate = new Date(
+      Date.now() - MigrationUtils.HISTORY_MAX_AGE_IN_MILLISECONDS
+    );
+
+    for (let entry of Cc[
+      "@mozilla.org/profile/migrator/iehistoryenumerator;1"
+    ].createInstance(Ci.nsISimpleEnumerator)) {
+      let url = entry.get("uri").QueryInterface(Ci.nsIURI);
+      // MSIE stores some types of URLs in its history that we don't handle,
+      // like HTMLHelp and others.  Since we don't properly map handling for
+      // all of them we just avoid importing them.
+      if (!["http", "https", "ftp", "file"].includes(url.scheme)) {
+        continue;
+      }
+
+      let title = entry.get("title");
+      // Embed visits have no title and don't need to be imported.
+      if (!title.length) {
+        continue;
+      }
+
+      // The typed urls are already fixed-up, so we can use them for comparison.
+      let transition = typedURLs.has(url.spec)
+        ? PlacesUtils.history.TRANSITIONS.LINK
+        : PlacesUtils.history.TRANSITIONS.TYPED;
+
+      let time = entry.get("time");
+
+      let visitDate = time ? PlacesUtils.toDate(time) : null;
+      if (visitDate && visitDate < maxDate) {
+        continue;
+      }
+
+      pageInfos.push({
+        url,
+        title,
+        visits: [
+          {
+            transition,
+            // use the current date if we have no visits for this entry.
+            date: visitDate ?? now,
+          },
+        ],
+      });
+    }
+
+    // Check whether there is any history to import.
+    if (!pageInfos.length) {
+      aCallback(true);
+      return;
+    }
+
+    MigrationUtils.insertVisitsWrapper(pageInfos).then(
+      () => aCallback(true),
+      () => aCallback(false)
+    );
+  },
+};
+
+/**
+ * Internet Explorer profile migrator
+ */
+export class IEProfileMigrator extends MigratorBase {
+  static get key() {
+    return "ie";
+  }
+
+  static get displayNameL10nID() {
+    return "migration-wizard-migrator-display-name-ie";
+  }
+
+  static get brandImage() {
+    return "chrome://browser/content/migration/brands/ie.png";
+  }
+
+  getResources() {
+    let resources = [MSMigrationUtils.getBookmarksMigrator(), new History()];
+    let windowsVaultFormPasswordsMigrator =
+      MSMigrationUtils.getWindowsVaultFormPasswordsMigrator();
+    windowsVaultFormPasswordsMigrator.name = "IEVaultFormPasswords";
+    resources.push(windowsVaultFormPasswordsMigrator);
+    return resources.filter(r => r.exists);
+  }
+
+  async getLastUsedDate() {
+    const datePromises = ["Favs", "CookD"].map(dirId => {
+      const { path } = Services.dirsvc.get(dirId, Ci.nsIFile);
+      return IOUtils.stat(path)
+        .then(info => info.lastModified)
+        .catch(() => 0);
+    });
+
+    const dates = await Promise.all(datePromises);
+
+    try {
+      const typedURLs = MSMigrationUtils.getTypedURLs(
+        "Software\\Microsoft\\Internet Explorer"
+      );
+      // typedURLs.values() returns an array of PRTimes, which are in
+      // microseconds - convert to milliseconds
+      dates.push(Math.max(0, ...typedURLs.values()) / 1000);
+    } catch (ex) {}
+
+    return new Date(Math.max(...dates));
+  }
+}