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/* -*- 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
#include "nsIndexedToHTML.h"
#include "mozilla/Components.h"
#include "mozilla/Encoding.h"
#include "mozilla/intl/AppDateTimeFormat.h"
#include "mozilla/intl/LocaleService.h"
#include "nsIThreadRetargetableStreamListener.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"
#include "nsIURIMutator.h"
#include "nsITextToSubURI.h"
using mozilla::intl::LocaleService;
using namespace mozilla;
NS_IMPL_ISUPPORTS(nsIndexedToHTML, nsIDirIndexListener, nsIStreamConverter,
nsIThreadRetargetableStreamListener, 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(REFNSIID aIID, void** aResult) {
nsresult rv;
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;
sbs = mozilla::components::StringBundle::Service(&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::MaybeRetarget(nsIRequest* request) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsIndexedToHTML::OnStartRequest(nsIRequest* request) {
nsCString buffer;
nsresult rv = DoOnStartRequest(request, 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, buffer);
return rv;
}
nsresult nsIndexedToHTML::DoOnStartRequest(nsIRequest* request,
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("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"
" 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"
"}\n"
"</style>\n"
"<link rel=\"stylesheet\" media=\"screen, projection\" type=\"text/css\""
"<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));
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 /,
if (!mTextToSubURI) {
mTextToSubURI = mozilla::components::TextToSubURI::Service(&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, buffer);
}
mParser->OnStopRequest(request, aStatus);
mParser = nullptr;
return mListener->OnStopRequest(request, aStatus);
}
nsresult nsIndexedToHTML::SendToListener(nsIRequest* aRequest,
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);
}
NS_IMETHODIMP
nsIndexedToHTML::OnDataFinished(nsresult aStatus) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsIndexedToHTML::CheckListenerChain() {
// nsIndexedToHTML does not support OnDataAvailable to run OMT. This class
// should only pass-through OnDataFinished notification.
return NS_ERROR_NO_INTERFACE;
}
static nsresult FormatTime(
const mozilla::intl::DateTimeFormat::StyleBag& aStyleBag,
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(true,
RFPTarget::JSDateTimeUTC)) {
return mozilla::intl::AppDateTimeFormat::Format(aStyleBag, aPrTime,
aStringOut);
}
PRExplodedTime prExplodedTime;
PR_ExplodeTime(aPrTime, PR_GMTParameters, &prExplodedTime);
return mozilla::intl::AppDateTimeFormat::Format(aStyleBag, &prExplodedTime,
aStringOut);
}
NS_IMETHODIMP
nsIndexedToHTML::OnIndexAvailable(nsIRequest* aRequest, 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("\">");
// Add date string
nsAutoString formatted;
mozilla::intl::DateTimeFormat::StyleBag dateBag;
dateBag.date = Some(mozilla::intl::DateTimeFormat::Style::Short);
FormatTime(dateBag, t, formatted);
AppendNonAsciiToNCR(formatted, pushBuffer);
pushBuffer.AppendLiteral("</td>\n <td>");
// Add time string
mozilla::intl::DateTimeFormat::StyleBag timeBag;
timeBag.time = Some(mozilla::intl::DateTimeFormat::Style::Long);
FormatTime(timeBag, t, formatted);
// use NCR to show date in any doc charset
AppendNonAsciiToNCR(formatted, pushBuffer);
}
pushBuffer.AppendLiteral("</td>\n</tr>");
return SendToListener(aRequest, 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");
}
}