The Tor Browser: netwerk/streamconv/converters/nsIndexedToHTML.cpp@6474c204b198 (annotated)

netwerk/streamconv/converters/nsIndexedToHTML.cpp@6474c204b198 (annotated)

netwerk/streamconv/converters/nsIndexedToHTML.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 /* 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 "mozilla/dom/EncodingUtils.h"
 #include "nsNetUtil.h"
 #include "netCore.h"
 #include "nsStringStream.h"
 #include "nsIFileURL.h"
 #include "nsEscape.h"
 #include "nsIDirIndex.h"
 #include "nsDateTimeFormatCID.h"
 #include "nsURLHelper.h"
 #include "nsIPlatformCharset.h"
 #include "nsIPrefService.h"
 #include "nsIPrefBranch.h"
 #include "nsIPrefLocalizedString.h"
 #include "nsIChromeRegistry.h"
 #include "nsICharsetConverterManager.h"
 #include "nsIDateTimeFormat.h"
 #include "nsIStringBundle.h"
 #include "nsITextToSubURI.h"
 #include "nsXPIDLString.h"
 #include <algorithm>
 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(';');
     }
   }
 }
 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;
     mDateTime = do_CreateInstance(NS_DATETIMEFORMAT_CONTRACTID, &rv);
     if (NS_FAILED(rv))
       return rv;
     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::OnStartRequest(nsIRequest* request, nsISupports *aContext) {
     nsCString buffer;
     nsresult rv = DoOnStartRequest(request, aContext, buffer);
     if (NS_FAILED(rv)) {
         request->Cancel(rv);
     }
     rv = mListener->OnStartRequest(request, aContext);
     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, aContext, 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->GetURI(getter_AddRefs(uri));
     if (NS_FAILED(rv)) return rv;
     channel->SetContentType(NS_LITERAL_CSTRING("text/html"));
     mParser = do_CreateInstance("@mozilla.org/dirIndexParser;1",&rv);
     if (NS_FAILED(rv)) return rv;
     rv = mParser->SetListener(this);
     if (NS_FAILED(rv)) return rv;
     rv = mParser->OnStartRequest(request, aContext);
     if (NS_FAILED(rv)) return rv;
     nsAutoCString baseUri, titleUri;
     rv = uri->GetAsciiSpec(baseUri);
     if (NS_FAILED(rv)) return rv;
     titleUri = baseUri;
     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
     bool isScheme = false;
     bool isSchemeFile = false;
     if (NS_SUCCEEDED(uri->SchemeIs("ftp", &isScheme)) && isScheme) {
         // 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 = uri->GetPassword(pw);
         if (NS_FAILED(rv)) return rv;
         if (!pw.IsEmpty()) {
              nsCOMPtr<nsIURI> newUri;
              rv = uri->Clone(getter_AddRefs(newUri));
              if (NS_FAILED(rv)) return rv;
              rv = newUri->SetPassword(EmptyCString());
              if (NS_FAILED(rv)) return rv;
              rv = newUri->GetAsciiSpec(titleUri);
              if (NS_FAILED(rv)) return rv;
         }
         nsAutoCString path;
         rv = uri->GetPath(path);
         if (NS_FAILED(rv)) return rv;
         if (!path.EqualsLiteral("//") && !path.LowerCaseEqualsLiteral("/%2f")) {
             rv = uri->Resolve(NS_LITERAL_CSTRING(".."),parentStr);
             if (NS_FAILED(rv)) return rv;
         }
     } else if (NS_SUCCEEDED(uri->SchemeIs("file", &isSchemeFile)) && isSchemeFile) {
         nsCOMPtr<nsIFileURL> fileUrl = do_QueryInterface(uri);
         nsCOMPtr<nsIFile> file;
         rv = fileUrl->GetFile(getter_AddRefs(file));
         if (NS_FAILED(rv)) return rv;
         file->SetFollowLinks(true);
         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 (NS_SUCCEEDED(uri->SchemeIs("jar", &isScheme)) && isScheme) {
         nsAutoCString path;
         rv = uri->GetPath(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_LITERAL_CSTRING("!/"))) {
             rv = uri->Resolve(NS_LITERAL_CSTRING(".."), 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->GetPath(path);
         if (NS_FAILED(rv)) return rv;
         if (baseUri.Last() != '/') {
             baseUri.Append('/');
             path.Append('/');
             uri->SetPath(path);
         }
         if (!path.EqualsLiteral("/")) {
             rv = uri->Resolve(NS_LITERAL_CSTRING(".."), parentStr);
             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"
                          "  -moz-margin-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"
                          "  -moz-padding-end: 2em;\n"
                          "}\n"
                          "/* size */\n"
                          "th:first-child + th {\n"
                          "  -moz-padding-end: 1em;\n"
                          "}\n"
                          "td:first-child + td {\n"
                          "  text-align: end;\n"
                          "  -moz-padding-end: 1em;\n"
                          "}\n"
                          "/* date */\n"
                          "td:first-child + td + td {\n"
                          "  -moz-padding-start: 1em;\n"
                          "  -moz-padding-end: .5em;\n"
                          "}\n"
                          "/* time */\n"
                          "td:first-child + td + td + td {\n"
                          "  -moz-padding-start: .5em;\n"
                          "}\n"
                          ".symlink {\n"
                          "  font-style: italic;\n"
                          "}\n"
                          ".dir ,\n"
                          ".symlink ,\n"
                          ".file {\n"
                          "  -moz-margin-start: 20px;\n"
                          "}\n"
                          ".dir::before ,\n"
                          ".file > img {\n"
                          "  -moz-margin-end: 4px;\n"
                          "  -moz-margin-start: -20px;\n"
                          "  max-width: 16px;\n"
                          "  max-height: 16px;\n"
                          "  vertical-align: middle;\n"
                          "}\n"
                          ".dir::before {\n"
                          "  content: url(resource://gre/res/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"
                          "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.slice(gTBody.rows);\n"
                          "    hiddenObjects = gRows.some(function (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.slice(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("<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("chrome://global/skin/dirListing/local.png");
         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("chrome://global/skin/dirListing/remote.png");
         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;
     }
     nsXPIDLCString encoding;
     rv = uri->GetOriginCharset(encoding);
     if (NS_FAILED(rv)) return rv;
     if (encoding.IsEmpty()) {
       encoding.AssignLiteral("UTF-8");
     }
     nsXPIDLString unEscapeSpec;
     rv = mTextToSubURI->UnEscapeAndConvert(encoding, titleUri.get(),
                                            getter_Copies(unEscapeSpec));
     // unescape may fail because
     // 1. file URL may be encoded in platform charset for backward compatibility
     // 2. query part may not be encoded in UTF-8 (see bug 261929)
     // so try the platform's default if this is file url
     if (NS_FAILED(rv) && isSchemeFile) {
         nsCOMPtr<nsIPlatformCharset> platformCharset(do_GetService(NS_PLATFORMCHARSET_CONTRACTID, &rv));
         NS_ENSURE_SUCCESS(rv, rv);
         nsAutoCString charset;
         rv = platformCharset->GetCharset(kPlatformCharsetSel_FileName, charset);
         NS_ENSURE_SUCCESS(rv, rv);
         rv = mTextToSubURI->UnEscapeAndConvert(charset.get(), titleUri.get(),
                                                getter_Copies(unEscapeSpec));
     }
     if (NS_FAILED(rv)) return rv;
     nsXPIDLString htmlEscSpec;
     htmlEscSpec.Adopt(nsEscapeHTML2(unEscapeSpec.get(),
                                     unEscapeSpec.Length()));
     nsXPIDLString title;
     const char16_t* formatTitle[] = {
         htmlEscSpec.get()
     };
     rv = mBundle->FormatStringFromName(MOZ_UTF16("DirTitle"),
                                        formatTitle,
                                        sizeof(formatTitle)/sizeof(char16_t*),
                                        getter_Copies(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.FindChar('"') == kNotFound)
     {
         // Great, the baseUri does not contain a char that
         // will prematurely close the string.  Go ahead an
         // add a base href.
         buffer.AppendLiteral("<base href=\"");
         nsAdoptingCString htmlEscapedUri(nsEscapeHTML(baseUri.get()));
         buffer.Append(htmlEscapedUri);
         buffer.AppendLiteral("\" />\n");
     }
     else
     {
         NS_ERROR("broken protocol handler didn't escape double-quote.");
     }
     nsCString direction(NS_LITERAL_CSTRING("ltr"));
     nsCOMPtr<nsIXULChromeRegistry> reg =
       mozilla::services::GetXULChromeRegistryService();
     if (reg) {
       bool isRTL = false;
       reg->IsLocaleRTL(NS_LITERAL_CSTRING("global"), &isRTL);
       if (isRTL) {
         direction.AssignLiteral("rtl");
       }
     }
     buffer.AppendLiteral("</head>\n<body dir=\"");
     buffer.Append(direction);
     buffer.AppendLiteral("\">\n<h1>");
     const char16_t* formatHeading[] = {
         htmlEscSpec.get()
     };
     rv = mBundle->FormatStringFromName(MOZ_UTF16("DirTitle"),
                                        formatHeading,
                                        sizeof(formatHeading)/sizeof(char16_t*),
                                        getter_Copies(title));
     if (NS_FAILED(rv)) return rv;
     AppendNonAsciiToNCR(title, buffer);
     buffer.AppendLiteral("</h1>\n");
     if (!parentStr.IsEmpty()) {
         nsXPIDLString parentText;
         rv = mBundle->GetStringFromName(MOZ_UTF16("DirGoUp"),
                                         getter_Copies(parentText));
         if (NS_FAILED(rv)) return rv;
         buffer.AppendLiteral("<p id=\"UI_goUp\"><a class=\"up\" href=\"");
         nsAdoptingCString htmlParentStr(nsEscapeHTML(parentStr.get()));
         buffer.Append(htmlParentStr);
         buffer.AppendLiteral("\">");
         AppendNonAsciiToNCR(parentText, buffer);
         buffer.AppendLiteral("</a></p>\n");
     }
     if (isSchemeFile) {
         nsXPIDLString showHiddenText;
         rv = mBundle->GetStringFromName(MOZ_UTF16("ShowHidden"),
                                         getter_Copies(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");
     nsXPIDLString columnText;
     buffer.AppendLiteral(" <thead>\n"
                          "  <tr>\n"
                          "   <th>");
     rv = mBundle->GetStringFromName(MOZ_UTF16("DirColName"),
                                     getter_Copies(columnText));
     if (NS_FAILED(rv)) return rv;
     AppendNonAsciiToNCR(columnText, buffer);
     buffer.AppendLiteral("</th>\n"
                          "   <th>");
     rv = mBundle->GetStringFromName(MOZ_UTF16("DirColSize"),
                                     getter_Copies(columnText));
     if (NS_FAILED(rv)) return rv;
     AppendNonAsciiToNCR(columnText, buffer);
     buffer.AppendLiteral("</th>\n"
                          "   <th colspan=\"2\">");
     rv = mBundle->GetStringFromName(MOZ_UTF16("DirColMTime"),
                                     getter_Copies(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, nsISupports *aContext,
                                nsresult aStatus) {
     if (NS_SUCCEEDED(aStatus)) {
         nsCString buffer;
         buffer.AssignLiteral("</tbody></table></body></html>\n");
         aStatus = SendToListener(request, aContext, buffer);
     }
     mParser->OnStopRequest(request, aContext, aStatus);
     mParser = 0;
     return mListener->OnStopRequest(request, aContext, 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, aContext,
                                       inputData, 0, aBuffer.Length());
 }
 NS_IMETHODIMP
 nsIndexedToHTML::OnDataAvailable(nsIRequest *aRequest,
                                  nsISupports *aCtxt,
                                  nsIInputStream* aInput,
                                  uint64_t aOffset,
                                  uint32_t aCount) {
     return mParser->OnDataAvailable(aRequest, aCtxt, aInput, aOffset, aCount);
 }
 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.
     nsXPIDLCString loc;
     aIndex->GetLocation(getter_Copies(loc));
     // Adjust the length in case unescaping shortened the string.
     loc.Truncate(nsUnescapeCount(loc.BeginWriting()));
     if (loc.First() == PRUnichar('.'))
         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;
     }
     nsAdoptingCString escaped(nsEscapeHTML(loc));
     pushBuffer.Append(escaped);
     pushBuffer.AppendLiteral("\"><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.
     if (mExpectAbsLoc &&
         NS_SUCCEEDED(net_ExtractURLScheme(loc, nullptr, nullptr, nullptr))) {
         // 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");
     nsAdoptingCString htmlEscapedURL(nsEscapeHTML(locEscaped.get()));
     pushBuffer.Append(htmlEscapedURL);
     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);
             nsAdoptingCString htmlFileExt(nsEscapeHTML(locEscaped.get()));
             pushBuffer.Append(htmlFileExt);
         } else {
             pushBuffer.AppendLiteral("unknown");
         }
         pushBuffer.AppendLiteral("?size=16\" alt=\"");
         nsXPIDLString altText;
         rv = mBundle->GetStringFromName(MOZ_UTF16("DirFileLabel"),
                                         getter_Copies(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.AppendLiteral(">");
     } 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.AppendLiteral(">");
         }
     }
     pushBuffer.AppendLiteral("</td>\n <td");
     PRTime t;
     aIndex->GetLastModified(&t);
     if (t == -1) {
         pushBuffer.AppendLiteral("></td>\n <td>");
     } else {
         pushBuffer.AppendLiteral(" sortable-data=\"");
         pushBuffer.AppendInt(static_cast<int64_t>(t));
         pushBuffer.AppendLiteral("\">");
         nsAutoString formatted;
         mDateTime->FormatPRTime(nullptr,
                                 kDateFormatShort,
                                 kTimeFormatNone,
                                 t,
                                 formatted);
         AppendNonAsciiToNCR(formatted, pushBuffer);
         pushBuffer.AppendLiteral("</td>\n <td>");
         mDateTime->FormatPRTime(nullptr,
                                 kDateFormatNone,
                                 kTimeFormatSeconds,
                                 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;
     nsAdoptingString escaped(nsEscapeHTML2(PromiseFlatString(aInfo).get()));
     if (!escaped)
         return NS_ERROR_OUT_OF_MEMORY;
     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(escaped, 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");
     }
 }
 nsIndexedToHTML::nsIndexedToHTML() {
 }
 nsIndexedToHTML::~nsIndexedToHTML() {
 }

The Tor Browser / annotate

netwerk/streamconv/converters/nsIndexedToHTML.cpp@6474c204b198 (annotated)

netwerk/streamconv/converters/nsIndexedToHTML.cpp