tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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StorageUtils.sys.mjs (2299B)

      1 /**
      2 * Any copyright is dedicated to the Public Domain.
      3 * http://creativecommons.org/publicdomain/zero/1.0/
      4 */
      5 
      6 class RequestError extends Error {
      7  constructor(resultCode, resultName) {
      8    super(`Request failed (code: ${resultCode}, name: ${resultName})`);
      9    this.name = "RequestError";
     10    this.resultCode = resultCode;
     11    this.resultName = resultName;
     12  }
     13 }
     14 
     15 export function setStoragePrefs(optionalPrefsToSet) {
     16  const prefsToSet = [["dom.quotaManager.testing", true]];
     17 
     18  if (Services.appinfo.OS === "WINNT") {
     19    prefsToSet.push(["dom.quotaManager.useDOSDevicePathSyntax", true]);
     20  }
     21 
     22  if (optionalPrefsToSet) {
     23    prefsToSet.push(...optionalPrefsToSet);
     24  }
     25 
     26  for (const pref of prefsToSet) {
     27    Services.prefs.setBoolPref(pref[0], pref[1]);
     28  }
     29 }
     30 
     31 export function clearStoragePrefs(optionalPrefsToClear) {
     32  const prefsToClear = ["dom.quotaManager.testing", "dom.simpleDB.enabled"];
     33 
     34  if (Services.appinfo.OS === "WINNT") {
     35    prefsToClear.push("dom.quotaManager.useDOSDevicePathSyntax");
     36  }
     37 
     38  if (optionalPrefsToClear) {
     39    prefsToClear.push(...optionalPrefsToClear);
     40  }
     41 
     42  for (const pref of prefsToClear) {
     43    Services.prefs.clearUserPref(pref);
     44  }
     45 }
     46 
     47 export async function getCachedUsageForOrigin(principal) {
     48  const request = Services.qms.getCachedUsageForPrincipal(
     49    principal,
     50    function () {}
     51  );
     52 
     53  await new Promise(function (resolve) {
     54    request.callback = function () {
     55      resolve();
     56    };
     57  });
     58 
     59  if (request.resultCode != Cr.NS_OK) {
     60    throw new RequestError(request.resultCode, request.resultName);
     61  }
     62 
     63  return request.result;
     64 }
     65 
     66 export async function clearStoragesForOrigin(principal) {
     67  const request = Services.qms.clearStoragesForPrincipal(principal);
     68 
     69  await new Promise(function (resolve) {
     70    request.callback = function () {
     71      resolve();
     72    };
     73  });
     74 
     75  if (request.resultCode != Cr.NS_OK) {
     76    throw new RequestError(request.resultCode, request.resultName);
     77  }
     78 
     79  return request.result;
     80 }
     81 
     82 export async function resetStorage() {
     83  const request = Services.qms.reset();
     84 
     85  await new Promise(function (resolve) {
     86    request.callback = function () {
     87      resolve();
     88    };
     89  });
     90 
     91  if (request.resultCode != Cr.NS_OK) {
     92    throw new RequestError(request.resultCode, request.resultName);
     93  }
     94 
     95  return request.result;
     96 }