commit 6c8a666632ec6b838f7dd724f4fe0b364248b01b Author: Alex Catarineu acat@torproject.org Date: Fri Sep 27 18:11:13 2019 +0200

Bug 30504: fix new identity console errors and replace Services.qms.clear() --- chrome/content/torbutton.js | 46 ++++++++++++++++++++++++++++++++------------- 1 file changed, 33 insertions(+), 13 deletions(-)

diff --git a/chrome/content/torbutton.js b/chrome/content/torbutton.js index 79f9843b..3ecc2b24 100644 --- a/chrome/content/torbutton.js +++ b/chrome/content/torbutton.js @@ -50,6 +50,20 @@ var m_tb_control_desc = null; // For logging.

var m_tb_domWindowUtils = window.windowUtils;

+async function clearData(flags) { + return new Promise((resolve, reject) => { + Services.clearData.deleteData(flags, { + onDataDeleted(code) { + if (code === Cr.NS_OK) { + resolve(); + } else { + reject(new Error(`Error deleting data with flags ${flags}: ${code}`)); + } + }, + }); + }); +} + // Bug 1506 P1: This object is only for updating the UI for toggling and style var torbutton_window_pref_observer = { @@ -791,7 +805,7 @@ function torbutton_new_circuit() { }

// Bug 1506 P4: Needed for New Identity. -function torbutton_new_identity() { +async function torbutton_new_identity() { try { // Make sure that we can only click once on New Identiy to avoid race // conditions leading to failures (see bug 11783 for an example). @@ -818,7 +832,7 @@ function torbutton_new_identity() { m_tb_prefs.setBoolPref("extensions.torbutton.confirm_newnym", !askAgain.value);

if (confirmed) { - torbutton_do_new_identity(); + await torbutton_do_new_identity(); } else { // TODO: Remove the Torbutton menu entry again once we have done our // security control redesign. @@ -826,7 +840,7 @@ function torbutton_new_identity() { document.getElementById("appMenuNewIdentity").disabled = false; } } else { - torbutton_do_new_identity(); + await torbutton_do_new_identity(); } } catch(e) { // If something went wrong make sure we have the New Identity button @@ -854,7 +868,10 @@ function torbutton_new_identity() { * i. clear content prefs * j. permissions * k. site security settings (e.g. HSTS) - * l. IndexedDB and asmjscache storage + * l. IndexedDB and other DOM storage + * m. plugin data + * n. media devices + * o. predictor network data * 3. Sends tor the NEWNYM signal to get a new circuit * 4. Opens a new window with the default homepage * 5. Closes this window @@ -862,7 +879,7 @@ function torbutton_new_identity() { * XXX: intermediate SSL certificates are not cleared. */ // Bug 1506 P4: Needed for New Identity. -function torbutton_do_new_identity() { +async function torbutton_do_new_identity() { var obsSvc = Services.obs; torbutton_log(3, "New Identity: Disabling JS"); torbutton_disable_all_js(); @@ -1004,17 +1021,20 @@ function torbutton_do_new_identity() { }

torbutton_log(3, "New Identity: Clearing storage"); + torbutton_log(3, "New Identity: Clearing plugin data"); + torbutton_log(3, "New Identity: Clearing media devices"); + torbutton_log(3, "New Identity: Clearing predictor network data");

- let orig_quota_test = m_tb_prefs.getBoolPref("dom.quotaManager.testing"); try { - // This works only by setting the pref to `true` otherwise we get an - // exception and nothing is happening. - m_tb_prefs.setBoolPref("dom.quotaManager.testing", true); - Services.qms.clear(); + await clearData( + Services.clearData.CLEAR_DOM_STORAGES | + Services.clearData.CLEAR_PLUGIN_DATA | + Services.clearData.CLEAR_MEDIA_DEVICES | + Services.clearData.CLEAR_PREDICTOR_NETWORK_DATA + ); } catch (e) { - torbutton_log(5, "Exception on storage clearing: " + e); - } finally { - m_tb_prefs.setBoolPref("dom.quotaManager.testing", orig_quota_test); + torbutton_log(5, "Exception on storage clearing: " + e); + window.alert("Torbutton: Unexpected error during storage clearing: " + e); }

torbutton_log(3, "New Identity: Clearing Cookies and DOM Storage");