tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_about_cache.js (4271B)

      1 "use strict";
      2 
      3 /**
      4 * Open a dummy page, then open about:cache and verify the opened page shows up in the cache.
      5 */
      6 add_task(async function () {
      7  const kRoot = getRootDirectory(gTestPath).replace(
      8    "chrome://mochitests/content/",
      9    "https://example.com/"
     10  );
     11  const kTestPage = kRoot + "dummy.html";
     12  // Open the dummy page to get it cached.
     13  let tab = await BrowserTestUtils.openNewForegroundTab(
     14    gBrowser,
     15    kTestPage,
     16    true
     17  );
     18  BrowserTestUtils.removeTab(tab);
     19 
     20  tab = await BrowserTestUtils.openNewForegroundTab(
     21    gBrowser,
     22    "about:cache",
     23    true
     24  );
     25  let expectedPageCheck = function (uri) {
     26    info("Saw load for " + uri);
     27    // Can't easily use searchParms and new URL() because it's an about: URI...
     28    return uri.startsWith("about:cache?") && uri.includes("storage=disk");
     29  };
     30  let diskPageLoaded = BrowserTestUtils.browserLoaded(
     31    tab.linkedBrowser,
     32    false,
     33    expectedPageCheck
     34  );
     35  await SpecialPowers.spawn(tab.linkedBrowser, [], function () {
     36    ok(
     37      !content.document.nodePrincipal.isSystemPrincipal,
     38      "about:cache should not have system principal"
     39    );
     40    let principal = content.document.nodePrincipal;
     41    let channel = content.docShell.currentDocumentChannel;
     42    ok(!channel.loadInfo.loadingPrincipal, "Loading principal should be null.");
     43    is(
     44      principal.spec,
     45      content.document.location.href,
     46      "Principal matches location"
     47    );
     48    let links = [...content.document.querySelectorAll("a[href*=disk]")];
     49    is(links.length, 1, "Should have 1 link to the disk entries");
     50    links[0].click();
     51  });
     52  await diskPageLoaded;
     53  info("about:cache disk subpage loaded");
     54 
     55  expectedPageCheck = function (uri) {
     56    info("Saw load for " + uri);
     57    return uri.startsWith("about:cache-entry") && uri.includes("dummy.html");
     58  };
     59  let triggeringURISpec = tab.linkedBrowser.currentURI.spec;
     60  let entryLoaded = BrowserTestUtils.browserLoaded(
     61    tab.linkedBrowser,
     62    false,
     63    expectedPageCheck
     64  );
     65  await SpecialPowers.spawn(
     66    tab.linkedBrowser,
     67    [kTestPage],
     68    function (kTestPage) {
     69      ok(
     70        !content.document.nodePrincipal.isSystemPrincipal,
     71        "about:cache with query params should still not have system principal"
     72      );
     73      let principal = content.document.nodePrincipal;
     74      is(
     75        principal.spec,
     76        content.document.location.href,
     77        "Principal matches location"
     78      );
     79      let channel = content.docShell.currentDocumentChannel;
     80      principal = channel.loadInfo.triggeringPrincipal;
     81      is(
     82        principal.spec,
     83        "about:cache",
     84        "Triggering principal matches previous location"
     85      );
     86      ok(
     87        !channel.loadInfo.loadingPrincipal,
     88        "Loading principal should be null."
     89      );
     90      let links = [
     91        ...content.document.querySelectorAll("a[href*='" + kTestPage + "']"),
     92      ];
     93      is(links.length, 1, "Should have 1 link to entries for " + kTestPage);
     94      // Make sure to pick correct entry - only the partitioned one has data.
     95      let partitioned = Array.from(links).filter(e =>
     96        e.href.includes("https%2Cexample.com")
     97      );
     98      is(partitioned.length, 1, "Should have 1 partitioned entry");
     99      partitioned[0].click();
    100    }
    101  );
    102  await entryLoaded;
    103  info("about:cache entry loaded");
    104 
    105  await SpecialPowers.spawn(
    106    tab.linkedBrowser,
    107    [triggeringURISpec],
    108    function (triggeringURISpec) {
    109      ok(
    110        !content.document.nodePrincipal.isSystemPrincipal,
    111        "about:cache-entry should also not have system principal"
    112      );
    113      let principal = content.document.nodePrincipal;
    114      is(
    115        principal.spec,
    116        content.document.location.href,
    117        "Principal matches location"
    118      );
    119      let channel = content.docShell.currentDocumentChannel;
    120      principal = channel.loadInfo.triggeringPrincipal;
    121      is(
    122        principal.spec,
    123        triggeringURISpec,
    124        "Triggering principal matches previous location"
    125      );
    126      ok(
    127        !channel.loadInfo.loadingPrincipal,
    128        "Loading principal should be null."
    129      );
    130      ok(
    131        content.document.querySelectorAll("th").length,
    132        "Should have several table headers with data."
    133      );
    134    }
    135  );
    136  BrowserTestUtils.removeTab(tab);
    137 });