Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 847 insertions, 0 deletions

diff --git a/netwerk/streamconv/converters/nsIndexedToHTML.cpp b/netwerk/streamconv/converters/nsIndexedToHTML.cpp
new file mode 100644
index 0000000000..53e85970fa
--- /dev/null
+++ b/netwerk/streamconv/converters/nsIndexedToHTML.cpp
@@ -0,0 +1,847 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+
+#include "nsIndexedToHTML.h"
+
+#include "DateTimeFormat.h"
+#include "mozilla/Encoding.h"
+#include "mozilla/intl/LocaleService.h"
+#include "nsNetUtil.h"
+#include "netCore.h"
+#include "nsStringStream.h"
+#include "nsIFile.h"
+#include "nsIFileURL.h"
+#include "nsEscape.h"
+#include "nsIDirIndex.h"
+#include "nsURLHelper.h"
+#include "nsIStringBundle.h"
+#include "nsDirIndexParser.h"
+#include "nsNativeCharsetUtils.h"
+#include "nsString.h"
+#include "nsContentUtils.h"
+#include <algorithm>
+#include "nsIChannel.h"
+#include "mozilla/Unused.h"
+
+using mozilla::intl::LocaleService;
+
+NS_IMPL_ISUPPORTS(nsIndexedToHTML, nsIDirIndexListener, nsIStreamConverter,
+                  nsIRequestObserver, nsIStreamListener)
+
+static void AppendNonAsciiToNCR(const nsAString& in, nsCString& out) {
+  nsAString::const_iterator start, end;
+
+  in.BeginReading(start);
+  in.EndReading(end);
+
+  while (start != end) {
+    if (*start < 128) {
+      out.Append(*start++);
+    } else {
+      out.AppendLiteral("&#x");
+      out.AppendInt(*start++, 16);
+      out.Append(';');
+    }
+  }
+}
+
+nsIndexedToHTML::nsIndexedToHTML() : mExpectAbsLoc(false) {}
+
+nsresult nsIndexedToHTML::Create(nsISupports* aOuter, REFNSIID aIID,
+                                 void** aResult) {
+  nsresult rv;
+  if (aOuter) return NS_ERROR_NO_AGGREGATION;
+
+  nsIndexedToHTML* _s = new nsIndexedToHTML();
+  if (_s == nullptr) return NS_ERROR_OUT_OF_MEMORY;
+
+  rv = _s->QueryInterface(aIID, aResult);
+  return rv;
+}
+
+nsresult nsIndexedToHTML::Init(nsIStreamListener* aListener) {
+  nsresult rv = NS_OK;
+
+  mListener = aListener;
+
+  nsCOMPtr<nsIStringBundleService> sbs =
+      do_GetService(NS_STRINGBUNDLE_CONTRACTID, &rv);
+  if (NS_FAILED(rv)) return rv;
+  rv = sbs->CreateBundle(NECKO_MSGS_URL, getter_AddRefs(mBundle));
+
+  mExpectAbsLoc = false;
+
+  return rv;
+}
+
+NS_IMETHODIMP
+nsIndexedToHTML::Convert(nsIInputStream* aFromStream, const char* aFromType,
+                         const char* aToType, nsISupports* aCtxt,
+                         nsIInputStream** res) {
+  return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsIndexedToHTML::AsyncConvertData(const char* aFromType, const char* aToType,
+                                  nsIStreamListener* aListener,
+                                  nsISupports* aCtxt) {
+  return Init(aListener);
+}
+
+NS_IMETHODIMP
+nsIndexedToHTML::GetConvertedType(const nsACString& aFromType,
+                                  nsIChannel* aChannel, nsACString& aToType) {
+  return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+NS_IMETHODIMP
+nsIndexedToHTML::OnStartRequest(nsIRequest* request) {
+  nsCString buffer;
+  nsresult rv = DoOnStartRequest(request, nullptr, buffer);
+  if (NS_FAILED(rv)) {
+    request->Cancel(rv);
+  }
+
+  rv = mListener->OnStartRequest(request);
+  if (NS_FAILED(rv)) return rv;
+
+  // The request may have been canceled, and if that happens, we want to
+  // suppress calls to OnDataAvailable.
+  request->GetStatus(&rv);
+  if (NS_FAILED(rv)) return rv;
+
+  // Push our buffer to the listener.
+
+  rv = SendToListener(request, nullptr, buffer);
+  return rv;
+}
+
+nsresult nsIndexedToHTML::DoOnStartRequest(nsIRequest* request,
+                                           nsISupports* aContext,
+                                           nsCString& aBuffer) {
+  nsresult rv;
+
+  nsCOMPtr<nsIChannel> channel = do_QueryInterface(request);
+  nsCOMPtr<nsIURI> uri;
+  rv = channel->GetOriginalURI(getter_AddRefs(uri));
+  if (NS_FAILED(rv)) return rv;
+
+  // We use the original URI for the title and parent link when it's a
+  // resource:// url, instead of the jar:file:// url it resolves to.
+  if (!uri->SchemeIs("resource")) {
+    rv = channel->GetURI(getter_AddRefs(uri));
+    if (NS_FAILED(rv)) return rv;
+  }
+
+  channel->SetContentType("text/html"_ns);
+
+  mParser = nsDirIndexParser::CreateInstance();
+  if (!mParser) return NS_ERROR_FAILURE;
+
+  rv = mParser->SetListener(this);
+  if (NS_FAILED(rv)) return rv;
+
+  rv = mParser->OnStartRequest(request);
+  if (NS_FAILED(rv)) return rv;
+
+  nsAutoCString baseUri, titleUri;
+  rv = uri->GetAsciiSpec(baseUri);
+  if (NS_FAILED(rv)) return rv;
+
+  nsCOMPtr<nsIURI> titleURL;
+  rv = NS_MutateURI(uri).SetQuery(""_ns).SetRef(""_ns).Finalize(titleURL);
+  if (NS_FAILED(rv)) {
+    titleURL = uri;
+  }
+
+  nsCString parentStr;
+
+  nsCString buffer;
+  buffer.AppendLiteral("<!DOCTYPE html>\n<html>\n<head>\n");
+
+  // XXX - should be using the 300: line from the parser.
+  // We can't guarantee that that comes before any entry, so we'd have to
+  // buffer, and do other painful stuff.
+  // I'll deal with this when I make the changes to handle welcome messages
+  // The .. stuff should also come from the lower level protocols, but that
+  // would muck up the XUL display
+  // - bbaetz
+
+  if (uri->SchemeIs("ftp")) {
+    // strip out the password here, so it doesn't show in the page title
+    // This is done by the 300: line generation in ftp, but we don't use
+    // that - see above
+
+    nsAutoCString pw;
+    rv = titleURL->GetPassword(pw);
+    if (NS_FAILED(rv)) return rv;
+    if (!pw.IsEmpty()) {
+      nsCOMPtr<nsIURI> newUri;
+      rv = NS_MutateURI(titleURL).SetPassword(""_ns).Finalize(titleURL);
+      if (NS_FAILED(rv)) return rv;
+    }
+
+    nsAutoCString path;
+    rv = uri->GetPathQueryRef(path);
+    if (NS_FAILED(rv)) return rv;
+
+    if (!path.EqualsLiteral("//") && !path.LowerCaseEqualsLiteral("/%2f")) {
+      rv = uri->Resolve(".."_ns, parentStr);
+      if (NS_FAILED(rv)) return rv;
+    }
+  } else if (uri->SchemeIs("file")) {
+    nsCOMPtr<nsIFileURL> fileUrl = do_QueryInterface(uri);
+    nsCOMPtr<nsIFile> file;
+    rv = fileUrl->GetFile(getter_AddRefs(file));
+    if (NS_FAILED(rv)) return rv;
+
+    nsAutoCString url;
+    rv = net_GetURLSpecFromFile(file, url);
+    if (NS_FAILED(rv)) return rv;
+    baseUri.Assign(url);
+
+    nsCOMPtr<nsIFile> parent;
+    rv = file->GetParent(getter_AddRefs(parent));
+
+    if (parent && NS_SUCCEEDED(rv)) {
+      net_GetURLSpecFromDir(parent, url);
+      if (NS_FAILED(rv)) return rv;
+      parentStr.Assign(url);
+    }
+
+    // Directory index will be always encoded in UTF-8 if this is file url
+    buffer.AppendLiteral("<meta charset=\"UTF-8\">\n");
+
+  } else if (uri->SchemeIs("jar")) {
+    nsAutoCString path;
+    rv = uri->GetPathQueryRef(path);
+    if (NS_FAILED(rv)) return rv;
+
+    // a top-level jar directory URL is of the form jar:foo.zip!/
+    // path will be of the form foo.zip!/, and its last two characters
+    // will be "!/"
+    // XXX this won't work correctly when the name of the directory being
+    // XXX displayed ends with "!", but then again, jar: URIs don't deal
+    // XXX particularly well with such directories anyway
+    if (!StringEndsWith(path, "!/"_ns)) {
+      rv = uri->Resolve(".."_ns, parentStr);
+      if (NS_FAILED(rv)) return rv;
+    }
+  } else {
+    // default behavior for other protocols is to assume the channel's
+    // URL references a directory ending in '/' -- fixup if necessary.
+    nsAutoCString path;
+    rv = uri->GetPathQueryRef(path);
+    if (NS_FAILED(rv)) return rv;
+    if (baseUri.Last() != '/') {
+      baseUri.Append('/');
+      path.Append('/');
+      mozilla::Unused << NS_MutateURI(uri).SetPathQueryRef(path).Finalize(uri);
+    }
+    if (!path.EqualsLiteral("/")) {
+      rv = uri->Resolve(".."_ns, parentStr);
+      if (NS_FAILED(rv)) return rv;
+    }
+  }
+
+  rv = titleURL->GetAsciiSpec(titleUri);
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  buffer.AppendLiteral(
+      "<style type=\"text/css\">\n"
+      ":root {\n"
+      "  font-family: sans-serif;\n"
+      "}\n"
+      "img {\n"
+      "  border: 0;\n"
+      "}\n"
+      "th {\n"
+      "  text-align: start;\n"
+      "  white-space: nowrap;\n"
+      "}\n"
+      "th > a {\n"
+      "  color: inherit;\n"
+      "}\n"
+      "table[order] > thead > tr > th {\n"
+      "  cursor: pointer;\n"
+      "}\n"
+      "table[order] > thead > tr > th::after {\n"
+      "  display: none;\n"
+      "  width: .8em;\n"
+      "  margin-inline-end: -.8em;\n"
+      "  text-align: end;\n"
+      "}\n"
+      "table[order=\"asc\"] > thead > tr > th::after {\n"
+      "  content: \"\\2193\"; /* DOWNWARDS ARROW (U+2193) */\n"
+      "}\n"
+      "table[order=\"desc\"] > thead > tr > th::after {\n"
+      "  content: \"\\2191\"; /* UPWARDS ARROW (U+2191) */\n"
+      "}\n"
+      "table[order][order-by=\"0\"] > thead > tr > th:first-child > a ,\n"
+      "table[order][order-by=\"1\"] > thead > tr > th:first-child + th > a ,\n"
+      "table[order][order-by=\"2\"] > thead > tr > th:first-child + th + th > "
+      "a {\n"
+      "  text-decoration: underline;\n"
+      "}\n"
+      "table[order][order-by=\"0\"] > thead > tr > th:first-child::after ,\n"
+      "table[order][order-by=\"1\"] > thead > tr > th:first-child + th::after "
+      ",\n"
+      "table[order][order-by=\"2\"] > thead > tr > th:first-child + th + "
+      "th::after {\n"
+      "  display: inline-block;\n"
+      "}\n"
+      "table.remove-hidden > tbody > tr.hidden-object {\n"
+      "  display: none;\n"
+      "}\n"
+      "td {\n"
+      "  white-space: nowrap;\n"
+      "}\n"
+      "table.ellipsis {\n"
+      "  width: 100%;\n"
+      "  table-layout: fixed;\n"
+      "  border-spacing: 0;\n"
+      "}\n"
+      "table.ellipsis > tbody > tr > td {\n"
+      "  padding: 0;\n"
+      "  overflow: hidden;\n"
+      "  text-overflow: ellipsis;\n"
+      "}\n"
+      "/* name */\n"
+      "/* name */\n"
+      "th:first-child {\n"
+      "  padding-inline-end: 2em;\n"
+      "}\n"
+      "/* size */\n"
+      "th:first-child + th {\n"
+      "  padding-inline-end: 1em;\n"
+      "}\n"
+      "td:first-child + td {\n"
+      "  text-align: end;\n"
+      "  padding-inline-end: 1em;\n"
+      "}\n"
+      "/* date */\n"
+      "td:first-child + td + td {\n"
+      "  padding-inline-start: 1em;\n"
+      "  padding-inline-end: .5em;\n"
+      "}\n"
+      "/* time */\n"
+      "td:first-child + td + td + td {\n"
+      "  padding-inline-start: .5em;\n"
+      "}\n"
+      ".symlink {\n"
+      "  font-style: italic;\n"
+      "}\n"
+      ".dir ,\n"
+      ".symlink ,\n"
+      ".file {\n"
+      "  margin-inline-start: 20px;\n"
+      "}\n"
+      ".dir::before ,\n"
+      ".file > img {\n"
+      "  margin-inline-end: 4px;\n"
+      "  margin-inline-start: -20px;\n"
+      "  max-width: 16px;\n"
+      "  max-height: 16px;\n"
+      "  vertical-align: middle;\n"
+      "}\n"
+      ".dir::before {\n"
+      "  content: url(resource://content-accessible/html/folder.png);\n"
+      "}\n"
+      "</style>\n"
+      "<link rel=\"stylesheet\" media=\"screen, projection\" type=\"text/css\""
+      " href=\"chrome://global/skin/dirListing/dirListing.css\">\n"
+      "<script type=\"application/javascript\">\n"
+      "'use strict';\n"
+      "var gTable, gOrderBy, gTBody, gRows, gUI_showHidden;\n"
+      "document.addEventListener(\"DOMContentLoaded\", function() {\n"
+      "  gTable = document.getElementsByTagName(\"table\")[0];\n"
+      "  gTBody = gTable.tBodies[0];\n"
+      "  if (gTBody.rows.length < 2)\n"
+      "    return;\n"
+      "  gUI_showHidden = document.getElementById(\"UI_showHidden\");\n"
+      "  var headCells = gTable.tHead.rows[0].cells,\n"
+      "      hiddenObjects = false;\n"
+      "  function rowAction(i) {\n"
+      "    return function(event) {\n"
+      "      event.preventDefault();\n"
+      "      orderBy(i);\n"
+      "    }\n"
+      "  }\n"
+      "  for (var i = headCells.length - 1; i >= 0; i--) {\n"
+      "    var anchor = document.createElement(\"a\");\n"
+      "    anchor.href = \"\";\n"
+      "    anchor.appendChild(headCells[i].firstChild);\n"
+      "    headCells[i].appendChild(anchor);\n"
+      "    headCells[i].addEventListener(\"click\", rowAction(i), true);\n"
+      "  }\n"
+      "  if (gUI_showHidden) {\n"
+      "    gRows = Array.from(gTBody.rows);\n"
+      "    hiddenObjects = gRows.some(row => row.className == "
+      "\"hidden-object\");\n"
+      "  }\n"
+      "  gTable.setAttribute(\"order\", \"\");\n"
+      "  if (hiddenObjects) {\n"
+      "    gUI_showHidden.style.display = \"block\";\n"
+      "    updateHidden();\n"
+      "  }\n"
+      "}, \"false\");\n"
+      "function compareRows(rowA, rowB) {\n"
+      "  var a = rowA.cells[gOrderBy].getAttribute(\"sortable-data\") || "
+      "\"\";\n"
+      "  var b = rowB.cells[gOrderBy].getAttribute(\"sortable-data\") || "
+      "\"\";\n"
+      "  var intA = +a;\n"
+      "  var intB = +b;\n"
+      "  if (a == intA && b == intB) {\n"
+      "    a = intA;\n"
+      "    b = intB;\n"
+      "  } else {\n"
+      "    a = a.toLowerCase();\n"
+      "    b = b.toLowerCase();\n"
+      "  }\n"
+      "  if (a < b)\n"
+      "    return -1;\n"
+      "  if (a > b)\n"
+      "    return 1;\n"
+      "  return 0;\n"
+      "}\n"
+      "function orderBy(column) {\n"
+      "  if (!gRows)\n"
+      "    gRows = Array.from(gTBody.rows);\n"
+      "  var order;\n"
+      "  if (gOrderBy == column) {\n"
+      "    order = gTable.getAttribute(\"order\") == \"asc\" ? \"desc\" : "
+      "\"asc\";\n"
+      "  } else {\n"
+      "    order = \"asc\";\n"
+      "    gOrderBy = column;\n"
+      "    gTable.setAttribute(\"order-by\", column);\n"
+      "    gRows.sort(compareRows);\n"
+      "  }\n"
+      "  gTable.removeChild(gTBody);\n"
+      "  gTable.setAttribute(\"order\", order);\n"
+      "  if (order == \"asc\")\n"
+      "    for (var i = 0; i < gRows.length; i++)\n"
+      "      gTBody.appendChild(gRows[i]);\n"
+      "  else\n"
+      "    for (var i = gRows.length - 1; i >= 0; i--)\n"
+      "      gTBody.appendChild(gRows[i]);\n"
+      "  gTable.appendChild(gTBody);\n"
+      "}\n"
+      "function updateHidden() {\n"
+      "  gTable.className = "
+      "gUI_showHidden.getElementsByTagName(\"input\")[0].checked ?\n"
+      "                     \"\" :\n"
+      "                     \"remove-hidden\";\n"
+      "}\n"
+      "</script>\n");
+
+  buffer.AppendLiteral(R"(<link rel="icon" type="image/png" href=")");
+  nsCOMPtr<nsIURI> innerUri = NS_GetInnermostURI(uri);
+  if (!innerUri) return NS_ERROR_UNEXPECTED;
+  nsCOMPtr<nsIFileURL> fileURL(do_QueryInterface(innerUri));
+  // XXX bug 388553: can't use skinnable icons here due to security restrictions
+  if (fileURL) {
+    buffer.AppendLiteral(
+        "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB"
+        "AAAAAQCAYAAAAf8%2F9hAAAAGXRFWHRTb2Z0d2FyZQBBZG9i"
+        "ZSBJbWFnZVJlYWR5ccllPAAAAjFJREFUeNqsU8uOElEQPffR"
+        "3XQ3ONASdBJCSBxHos5%2B3Bg3rvkCv8PElS78gPkO%2FATj"
+        "QoUdO2ftrJiRh6aneTb9sOpC4weMN6lcuFV16pxDIfI8x12O"
+        "YIDhcPiu2Wx%2B%2FHF5CW1Z6Jyegt%2FTNEWSJIjjGFEUIQ"
+        "xDrFYrWFSzXC4%2FdLvd95pRKpXKy%2BpRFZ7nwaWo1%2BsG"
+        "nQG2260BKJfLKJVKGI1GEEJw7ateryd0v993W63WEwjgxfn5"
+        "obGYzgCbzcaEbdsIggDj8Riu6z6iUk9SYZMSx8W0LMsM%2FS"
+        "KK75xnJlIq80anQXdbEp0OhcPJ0eiaJnGRMEyyPDsAKKUM9c"
+        "lkYoDo3SZJzzSdp0VSKYmfV1co%2Bz580kw5KDIM8RbRfEnU"
+        "f1HzxtQyMAGcaGruTKczMzEIaqhKifV6jd%2BzGQQB5llunF"
+        "%2FM52BizC2K5sYPYvZcu653tjOM9O93wnYc08gmkgg4VAxi"
+        "xfqFUJT36AYBZGd6PJkFCZnnlBxMp38gqIgLpZB0y4Nph18l"
+        "yWh5FFbrOSxbl3V4G%2BVB7T4ajYYxTyuLtO%2BCvWGgJE1M"
+        "c7JNsJEhvgw%2FQV4fo%2F24nbEsX2u1d5sVyn8sJO0ZAQiI"
+        "YnFh%2BxrfLz%2Fj29cBS%2FO14zg3i8XigW3ZkErDtmKoeM"
+        "%2BAJGRMnXeEPGKf0nCD1ydvkDzU9Jbc6OpR7WIw6L8lQ%2B"
+        "4pQ1%2FlPF0RGM9Ns91Wmptk0GfB4EJkt77vXYj%2F8m%2B8"
+        "y%2FkrwABHbz2H9V68DQAAAABJRU5ErkJggg%3D%3D");
+  } else {
+    buffer.AppendLiteral(
+        "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB"
+        "AAAAAQCAYAAAAf8%2F9hAAAAGXRFWHRTb2Z0d2FyZQBBZG9i"
+        "ZSBJbWFnZVJlYWR5ccllPAAAAeBJREFUeNqcU81O20AQ%2Ft"
+        "Z2AgQSYQRqL1UPVG2hAUQkxLEStz4DrXpLpD5Drz31Cajax%"
+        "2Bghhx6qHIJURBTxIwQRwopCBbZjHMcOTrzermPipsSt1Iw0"
+        "3p3ZmW%2B%2B2R0TxhgOD34wjCHZlQ0iDYz9yvEfhxMTCYhE"
+        "QDIZhkxKd2sqzX2TOD2vBQCQhpPefng1ZP2dVPlLLdpL8SEM"
+        "cxng%2Fbs0RIHhtgs4twxOh%2BHjZxvzDx%2F3GQQiDFISiR"
+        "BLFMPKTRMollzcWECrDVhtxtdRVsL9youPxGj%2FbdfFlUZh"
+        "tDyYbYqWRUdai1oQRZ5oHeHl2gNM%2B01Uqio8RlH%2Bnsaz"
+        "JzNwXcq1B%2BiXPHprlEEymeBfXs1w8XxxihfyuXqoHqpoGj"
+        "ZM04bddgG%2F9%2B8WGj87qDdsrK9m%2BoA%2BpbhQTDh2l1"
+        "%2Bi2weNbSHMZyjvNXmVbqh9Fj5Oz27uEoP%2BSTxANruJs9"
+        "L%2FT6P0ewqPx5nmiAG5f6AoCtN1PbJzuRyJAyDBzzSQYvEr"
+        "f06yYxhGXlEa8H2KVGoasjwLx3Ewk858opQWXm%2B%2Fib9E"
+        "QrBzclLLLy89xYvlpchvtixcX6uo1y%2FzsiwHrkIsgKbp%2"
+        "BYWFOWicuqppoNTnStHzPFCPQhBEBOyGAX4JMADFetubi4BS"
+        "YAAAAABJRU5ErkJggg%3D%3D");
+  }
+  buffer.AppendLiteral("\">\n<title>");
+
+  // Everything needs to end in a /,
+  // otherwise we end up linking to file:///foo/dirfile
+
+  if (!mTextToSubURI) {
+    mTextToSubURI = do_GetService(NS_ITEXTTOSUBURI_CONTRACTID, &rv);
+    if (NS_FAILED(rv)) return rv;
+  }
+
+  nsAutoString unEscapeSpec;
+  rv = mTextToSubURI->UnEscapeAndConvert("UTF-8"_ns, titleUri, unEscapeSpec);
+  if (NS_FAILED(rv)) {
+    return rv;
+  }
+
+  nsCString htmlEscSpecUtf8;
+  nsAppendEscapedHTML(NS_ConvertUTF16toUTF8(unEscapeSpec), htmlEscSpecUtf8);
+  AutoTArray<nsString, 1> formatTitle;
+  CopyUTF8toUTF16(htmlEscSpecUtf8, *formatTitle.AppendElement());
+
+  nsAutoString title;
+  rv = mBundle->FormatStringFromName("DirTitle", formatTitle, title);
+  if (NS_FAILED(rv)) return rv;
+
+  // we want to convert string bundle to NCR
+  // to ensure they're shown in any charsets
+  AppendNonAsciiToNCR(title, buffer);
+
+  buffer.AppendLiteral("</title>\n");
+
+  // If there is a quote character in the baseUri, then
+  // lets not add a base URL.  The reason for this is that
+  // if we stick baseUri containing a quote into a quoted
+  // string, the quote character will prematurely close
+  // the base href string.  This is a fall-back check;
+  // that's why it is OK to not use a base rather than
+  // trying to play nice and escaping the quotes.  See bug
+  // 358128.
+
+  if (!baseUri.Contains('"')) {
+    // Great, the baseUri does not contain a char that
+    // will prematurely close the string.  Go ahead an
+    // add a base href, but only do so if we're not
+    // dealing with a resource URI.
+    if (!uri->SchemeIs("resource")) {
+      buffer.AppendLiteral("<base href=\"");
+      nsAppendEscapedHTML(baseUri, buffer);
+      buffer.AppendLiteral("\" />\n");
+    }
+  } else {
+    NS_ERROR("broken protocol handler didn't escape double-quote.");
+  }
+
+  nsCString direction("ltr"_ns);
+  if (LocaleService::GetInstance()->IsAppLocaleRTL()) {
+    direction.AssignLiteral("rtl");
+  }
+
+  buffer.AppendLiteral("</head>\n<body dir=\"");
+  buffer.Append(direction);
+  buffer.AppendLiteral("\">\n<h1>");
+  AppendNonAsciiToNCR(title, buffer);
+  buffer.AppendLiteral("</h1>\n");
+
+  if (!parentStr.IsEmpty()) {
+    nsAutoString parentText;
+    rv = mBundle->GetStringFromName("DirGoUp", parentText);
+    if (NS_FAILED(rv)) return rv;
+
+    buffer.AppendLiteral(R"(<p id="UI_goUp"><a class="up" href=")");
+    nsAppendEscapedHTML(parentStr, buffer);
+    buffer.AppendLiteral("\">");
+    AppendNonAsciiToNCR(parentText, buffer);
+    buffer.AppendLiteral("</a></p>\n");
+  }
+
+  if (uri->SchemeIs("file")) {
+    nsAutoString showHiddenText;
+    rv = mBundle->GetStringFromName("ShowHidden", showHiddenText);
+    if (NS_FAILED(rv)) return rv;
+
+    buffer.AppendLiteral(
+        "<p id=\"UI_showHidden\" style=\"display:none\"><label><input "
+        "type=\"checkbox\" checked onchange=\"updateHidden()\">");
+    AppendNonAsciiToNCR(showHiddenText, buffer);
+    buffer.AppendLiteral("</label></p>\n");
+  }
+
+  buffer.AppendLiteral(
+      "<table>\n"
+      " <thead>\n"
+      "  <tr>\n"
+      "   <th>");
+
+  nsAutoString columnText;
+  rv = mBundle->GetStringFromName("DirColName", columnText);
+  if (NS_FAILED(rv)) return rv;
+  AppendNonAsciiToNCR(columnText, buffer);
+  buffer.AppendLiteral(
+      "</th>\n"
+      "   <th>");
+
+  rv = mBundle->GetStringFromName("DirColSize", columnText);
+  if (NS_FAILED(rv)) return rv;
+  AppendNonAsciiToNCR(columnText, buffer);
+  buffer.AppendLiteral(
+      "</th>\n"
+      "   <th colspan=\"2\">");
+
+  rv = mBundle->GetStringFromName("DirColMTime", columnText);
+  if (NS_FAILED(rv)) return rv;
+  AppendNonAsciiToNCR(columnText, buffer);
+  buffer.AppendLiteral(
+      "</th>\n"
+      "  </tr>\n"
+      " </thead>\n");
+  buffer.AppendLiteral(" <tbody>\n");
+
+  aBuffer = buffer;
+  return rv;
+}
+
+NS_IMETHODIMP
+nsIndexedToHTML::OnStopRequest(nsIRequest* request, nsresult aStatus) {
+  if (NS_SUCCEEDED(aStatus)) {
+    nsCString buffer;
+    buffer.AssignLiteral("</tbody></table></body></html>\n");
+
+    aStatus = SendToListener(request, nullptr, buffer);
+  }
+
+  mParser->OnStopRequest(request, aStatus);
+  mParser = nullptr;
+
+  return mListener->OnStopRequest(request, aStatus);
+}
+
+nsresult nsIndexedToHTML::SendToListener(nsIRequest* aRequest,
+                                         nsISupports* aContext,
+                                         const nsACString& aBuffer) {
+  nsCOMPtr<nsIInputStream> inputData;
+  nsresult rv = NS_NewCStringInputStream(getter_AddRefs(inputData), aBuffer);
+  NS_ENSURE_SUCCESS(rv, rv);
+  return mListener->OnDataAvailable(aRequest, inputData, 0, aBuffer.Length());
+}
+
+NS_IMETHODIMP
+nsIndexedToHTML::OnDataAvailable(nsIRequest* aRequest, nsIInputStream* aInput,
+                                 uint64_t aOffset, uint32_t aCount) {
+  return mParser->OnDataAvailable(aRequest, aInput, aOffset, aCount);
+}
+
+static nsresult FormatTime(const nsDateFormatSelector aDateFormatSelector,
+                           const nsTimeFormatSelector aTimeFormatSelector,
+                           const PRTime aPrTime, nsAString& aStringOut) {
+  // FormatPRExplodedTime will use GMT based formatted string (e.g. GMT+1)
+  // instead of local time zone name (e.g. CEST).
+  // To avoid this case when ResistFingerprinting is disabled, use
+  // |FormatPRTime| to show exact time zone name.
+  if (!nsContentUtils::ShouldResistFingerprinting()) {
+    return mozilla::DateTimeFormat::FormatPRTime(
+        aDateFormatSelector, aTimeFormatSelector, aPrTime, aStringOut);
+  }
+
+  PRExplodedTime prExplodedTime;
+  PR_ExplodeTime(aPrTime, PR_GMTParameters, &prExplodedTime);
+  return mozilla::DateTimeFormat::FormatPRExplodedTime(
+      aDateFormatSelector, aTimeFormatSelector, &prExplodedTime, aStringOut);
+}
+
+NS_IMETHODIMP
+nsIndexedToHTML::OnIndexAvailable(nsIRequest* aRequest, nsISupports* aCtxt,
+                                  nsIDirIndex* aIndex) {
+  nsresult rv;
+  if (!aIndex) return NS_ERROR_NULL_POINTER;
+
+  nsCString pushBuffer;
+  pushBuffer.AppendLiteral("<tr");
+
+  // We don't know the file's character set yet, so retrieve the raw bytes
+  // which will be decoded by the HTML parser.
+  nsCString loc;
+  aIndex->GetLocation(loc);
+
+  // Adjust the length in case unescaping shortened the string.
+  loc.Truncate(nsUnescapeCount(loc.BeginWriting()));
+
+  if (loc.IsEmpty()) {
+    return NS_ERROR_ILLEGAL_VALUE;
+  }
+  if (loc.First() == char16_t('.'))
+    pushBuffer.AppendLiteral(" class=\"hidden-object\"");
+
+  pushBuffer.AppendLiteral(">\n <td sortable-data=\"");
+
+  // The sort key is the name of the item, prepended by either 0, 1 or 2
+  // in order to group items.
+  uint32_t type;
+  aIndex->GetType(&type);
+  switch (type) {
+    case nsIDirIndex::TYPE_SYMLINK:
+      pushBuffer.Append('0');
+      break;
+    case nsIDirIndex::TYPE_DIRECTORY:
+      pushBuffer.Append('1');
+      break;
+    default:
+      pushBuffer.Append('2');
+      break;
+  }
+  nsCString escaped;
+  nsAppendEscapedHTML(loc, escaped);
+  pushBuffer.Append(escaped);
+
+  pushBuffer.AppendLiteral(
+      R"("><table class="ellipsis"><tbody><tr><td><a class=")");
+  switch (type) {
+    case nsIDirIndex::TYPE_DIRECTORY:
+      pushBuffer.AppendLiteral("dir");
+      break;
+    case nsIDirIndex::TYPE_SYMLINK:
+      pushBuffer.AppendLiteral("symlink");
+      break;
+    default:
+      pushBuffer.AppendLiteral("file");
+      break;
+  }
+
+  pushBuffer.AppendLiteral("\" href=\"");
+
+  // need to escape links
+  nsAutoCString locEscaped;
+
+  // Adding trailing slash helps to recognize whether the URL points to a file
+  // or a directory (bug #214405).
+  if ((type == nsIDirIndex::TYPE_DIRECTORY) && (loc.Last() != '/')) {
+    loc.Append('/');
+  }
+
+  // now minimally re-escape the location...
+  uint32_t escFlags;
+  // for some protocols, we expect the location to be absolute.
+  // if so, and if the location indeed appears to be a valid URI, then go
+  // ahead and treat it like one.
+
+  nsAutoCString scheme;
+  if (mExpectAbsLoc && NS_SUCCEEDED(net_ExtractURLScheme(loc, scheme))) {
+    // escape as absolute
+    escFlags = esc_Forced | esc_AlwaysCopy | esc_Minimal;
+  } else {
+    // escape as relative
+    // esc_Directory is needed because directories have a trailing slash.
+    // Without it, the trailing '/' will be escaped, and links from within
+    // that directory will be incorrect
+    escFlags = esc_Forced | esc_AlwaysCopy | esc_FileBaseName | esc_Colon |
+               esc_Directory;
+  }
+  NS_EscapeURL(loc.get(), loc.Length(), escFlags, locEscaped);
+  // esc_Directory does not escape the semicolons, so if a filename
+  // contains semicolons we need to manually escape them.
+  // This replacement should be removed in bug #473280
+  locEscaped.ReplaceSubstring(";", "%3b");
+  nsAppendEscapedHTML(locEscaped, pushBuffer);
+  pushBuffer.AppendLiteral("\">");
+
+  if (type == nsIDirIndex::TYPE_FILE || type == nsIDirIndex::TYPE_UNKNOWN) {
+    pushBuffer.AppendLiteral("<img src=\"moz-icon://");
+    int32_t lastDot = locEscaped.RFindChar('.');
+    if (lastDot != kNotFound) {
+      locEscaped.Cut(0, lastDot);
+      nsAppendEscapedHTML(locEscaped, pushBuffer);
+    } else {
+      pushBuffer.AppendLiteral("unknown");
+    }
+    pushBuffer.AppendLiteral("?size=16\" alt=\"");
+
+    nsAutoString altText;
+    rv = mBundle->GetStringFromName("DirFileLabel", altText);
+    if (NS_FAILED(rv)) return rv;
+    AppendNonAsciiToNCR(altText, pushBuffer);
+    pushBuffer.AppendLiteral("\">");
+  }
+
+  pushBuffer.Append(escaped);
+  pushBuffer.AppendLiteral("</a></td></tr></tbody></table></td>\n <td");
+
+  if (type == nsIDirIndex::TYPE_DIRECTORY ||
+      type == nsIDirIndex::TYPE_SYMLINK) {
+    pushBuffer.Append('>');
+  } else {
+    int64_t size;
+    aIndex->GetSize(&size);
+
+    if (uint64_t(size) != UINT64_MAX) {
+      pushBuffer.AppendLiteral(" sortable-data=\"");
+      pushBuffer.AppendInt(size);
+      pushBuffer.AppendLiteral("\">");
+      nsAutoCString sizeString;
+      FormatSizeString(size, sizeString);
+      pushBuffer.Append(sizeString);
+    } else {
+      pushBuffer.Append('>');
+    }
+  }
+  pushBuffer.AppendLiteral("</td>\n <td");
+
+  PRTime t;
+  aIndex->GetLastModified(&t);
+
+  if (t == -1LL) {
+    pushBuffer.AppendLiteral("></td>\n <td>");
+  } else {
+    pushBuffer.AppendLiteral(" sortable-data=\"");
+    pushBuffer.AppendInt(static_cast<int64_t>(t));
+    pushBuffer.AppendLiteral("\">");
+    nsAutoString formatted;
+    FormatTime(kDateFormatShort, kTimeFormatNone, t, formatted);
+    AppendNonAsciiToNCR(formatted, pushBuffer);
+    pushBuffer.AppendLiteral("</td>\n <td>");
+    FormatTime(kDateFormatNone, kTimeFormatLong, t, formatted);
+    // use NCR to show date in any doc charset
+    AppendNonAsciiToNCR(formatted, pushBuffer);
+  }
+
+  pushBuffer.AppendLiteral("</td>\n</tr>");
+
+  return SendToListener(aRequest, aCtxt, pushBuffer);
+}
+
+NS_IMETHODIMP
+nsIndexedToHTML::OnInformationAvailable(nsIRequest* aRequest,
+                                        nsISupports* aCtxt,
+                                        const nsAString& aInfo) {
+  nsAutoCString pushBuffer;
+  nsAutoCString escapedUtf8;
+  nsAppendEscapedHTML(NS_ConvertUTF16toUTF8(aInfo), escapedUtf8);
+  pushBuffer.AppendLiteral("<tr>\n <td>");
+  // escaped is provided in Unicode, so write hex NCRs as necessary
+  // to prevent the HTML parser from applying a character set.
+  AppendNonAsciiToNCR(NS_ConvertUTF8toUTF16(escapedUtf8), pushBuffer);
+  pushBuffer.AppendLiteral(
+      "</td>\n <td></td>\n <td></td>\n <td></td>\n</tr>\n");
+
+  return SendToListener(aRequest, aCtxt, pushBuffer);
+}
+
+void nsIndexedToHTML::FormatSizeString(int64_t inSize,
+                                       nsCString& outSizeString) {
+  outSizeString.Truncate();
+  if (inSize > int64_t(0)) {
+    // round up to the nearest Kilobyte
+    int64_t upperSize = (inSize + int64_t(1023)) / int64_t(1024);
+    outSizeString.AppendInt(upperSize);
+    outSizeString.AppendLiteral(" KB");
+  }
+}