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gecko-dev/netwerk/streamconv/converters/nsIndexedToHTML.cpp

1048 строки
41 KiB
C++
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Bradley Baetz <bbaetz@cs.mcgill.ca>
* Christopher A. Aillon <christopher@aillon.com>
* Dão Gottwald <dao@design-noir.de>
* Ehsan Akhgari <ehsan.akhgari@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsIndexedToHTML.h"
#include "nsNetUtil.h"
#include "netCore.h"
#include "nsStringStream.h"
#include "nsIFileURL.h"
#include "nsEscape.h"
#include "nsIDirIndex.h"
#include "prtime.h"
#include "nsDateTimeFormatCID.h"
#include "nsURLHelper.h"
#include "nsCRT.h"
#include "nsIPlatformCharset.h"
#include "nsIPrefService.h"
#include "nsIPrefBranch.h"
#include "nsIPrefLocalizedString.h"
#include "nsIChromeRegistry.h"
NS_IMPL_ISUPPORTS4(nsIndexedToHTML,
nsIDirIndexListener,
nsIStreamConverter,
nsIRequestObserver,
nsIStreamListener)
static void AppendNonAsciiToNCR(const nsAString& in, nsAFlatString& 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");
nsAutoString hex;
hex.AppendInt(*start++, 16);
out.Append(hex);
out.Append((PRUnichar)';');
}
}
}
nsresult
nsIndexedToHTML::Create(nsISupports *aOuter, REFNSIID aIID, void **aResult) {
nsresult rv;
if (aOuter)
return NS_ERROR_NO_AGGREGATION;
nsIndexedToHTML* _s = new nsIndexedToHTML();
if (_s == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
rv = _s->QueryInterface(aIID, aResult);
return rv;
}
nsresult
nsIndexedToHTML::Init(nsIStreamListener* aListener) {
nsXPIDLString ellipsis;
nsCOMPtr<nsIPrefBranch> prefs(do_GetService(NS_PREFSERVICE_CONTRACTID));
if (prefs) {
nsCOMPtr<nsIPrefLocalizedString> prefVal;
prefs->GetComplexValue("intl.ellipsis",
NS_GET_IID(nsIPrefLocalizedString),
getter_AddRefs(prefVal));
if (prefVal)
prefVal->ToString(getter_Copies(ellipsis));
}
if (ellipsis.IsEmpty())
mEscapedEllipsis.AppendLiteral("&#8230;");
else
mEscapedEllipsis.Adopt(nsEscapeHTML2(ellipsis.get(), ellipsis.Length()));
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 = PR_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) {
nsString 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 = FormatInputStream(request, aContext, buffer);
return rv;
}
nsresult
nsIndexedToHTML::DoOnStartRequest(nsIRequest* request, nsISupports *aContext,
nsString& 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;
nsCAutoString baseUri, titleUri;
rv = uri->GetAsciiSpec(baseUri);
if (NS_FAILED(rv)) return rv;
titleUri = baseUri;
nsCString parentStr;
// 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
PRBool isScheme = PR_FALSE;
PRBool isSchemeFile = PR_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
nsCAutoString 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;
}
nsCAutoString 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;
nsCOMPtr<nsILocalFile> lfile = do_QueryInterface(file, &rv);
if (NS_FAILED(rv)) return rv;
lfile->SetFollowLinks(PR_TRUE);
nsCAutoString 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
rv = mParser->SetEncoding("UTF-8");
NS_ENSURE_SUCCESS(rv, rv);
} else if (NS_SUCCEEDED(uri->SchemeIs("jar", &isScheme)) && isScheme) {
nsCAutoString 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.
nsCAutoString 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;
}
}
nsString buffer;
buffer.AppendLiteral("<!DOCTYPE html>\n"
"<html>\n<head>\n"
"<meta http-equiv=\"content-type\" content=\"text/html; charset=");
// Get the encoding from the parser
// XXX - this won't work for any encoding set via a 301: line in the
// format - this output stuff would need to move to OnDataAvailable
// for that.
nsXPIDLCString encoding;
rv = mParser->GetEncoding(getter_Copies(encoding));
if (NS_FAILED(rv)) return rv;
AppendASCIItoUTF16(encoding, buffer);
buffer.AppendLiteral("\">\n"
"<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 > a {\n"
" display: inline-block;\n"
"}\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"
" white-space: nowrap;\n"
"}\n"
"/* date */\n"
"td:first-child + td + td {\n"
" -moz-padding-start: 1em;\n"
" -moz-padding-end: .5em;\n"
" white-space: nowrap;\n"
"}\n"
"/* time */\n"
"td:last-child {\n"
" -moz-padding-start: .5em;\n"
" white-space: nowrap;\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"
" 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;
}
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);
nsCAutoString 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 PRUnichar* formatTitle[] = {
htmlEscSpec.get()
};
rv = mBundle->FormatStringFromName(NS_LITERAL_STRING("DirTitle").get(),
formatTitle,
sizeof(formatTitle)/sizeof(PRUnichar*),
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=\"");
NS_ConvertUTF8toUTF16 utf16BaseURI(baseUri);
nsString htmlEscapedUri;
htmlEscapedUri.Adopt(nsEscapeHTML2(utf16BaseURI.get(), utf16BaseURI.Length()));
buffer.Append(htmlEscapedUri);
buffer.AppendLiteral("\" />\n");
}
else
{
NS_ERROR("broken protocol handler didn't escape double-quote.");
}
nsAutoString direction(NS_LITERAL_STRING("ltr"));
nsCOMPtr<nsIXULChromeRegistry> reg =
mozilla::services::GetXULChromeRegistryService();
if (reg) {
PRBool isRTL = PR_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 PRUnichar* formatHeading[] = {
htmlEscSpec.get()
};
rv = mBundle->FormatStringFromName(NS_LITERAL_STRING("DirTitle").get(),
formatHeading,
sizeof(formatHeading)/sizeof(PRUnichar*),
getter_Copies(title));
if (NS_FAILED(rv)) return rv;
AppendNonAsciiToNCR(title, buffer);
buffer.AppendLiteral("</h1>\n");
if (!parentStr.IsEmpty()) {
nsXPIDLString parentText;
rv = mBundle->GetStringFromName(NS_LITERAL_STRING("DirGoUp").get(),
getter_Copies(parentText));
if (NS_FAILED(rv)) return rv;
buffer.AppendLiteral("<p id=\"UI_goUp\"><a class=\"up\" href=\"");
NS_ConvertUTF8toUTF16 utf16ParentStr(parentStr);
nsString htmlParentStr;
htmlParentStr.Adopt(nsEscapeHTML2(utf16ParentStr.get(), utf16ParentStr.Length()));
buffer.Append(htmlParentStr);
buffer.AppendLiteral("\">");
AppendNonAsciiToNCR(parentText, buffer);
buffer.AppendLiteral("</a></p>\n");
}
if (isSchemeFile) {
nsXPIDLString showHiddenText;
rv = mBundle->GetStringFromName(NS_LITERAL_STRING("ShowHidden").get(),
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(NS_LITERAL_STRING("DirColName").get(),
getter_Copies(columnText));
if (NS_FAILED(rv)) return rv;
AppendNonAsciiToNCR(columnText, buffer);
buffer.AppendLiteral("</th>\n"
" <th>");
rv = mBundle->GetStringFromName(NS_LITERAL_STRING("DirColSize").get(),
getter_Copies(columnText));
if (NS_FAILED(rv)) return rv;
AppendNonAsciiToNCR(columnText, buffer);
buffer.AppendLiteral("</th>\n"
" <th colspan=\"2\">");
rv = mBundle->GetStringFromName(NS_LITERAL_STRING("DirColMTime").get(),
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)) {
nsString buffer;
buffer.AssignLiteral("</tbody></table></body></html>\n");
aStatus = FormatInputStream(request, aContext, buffer);
}
mParser->OnStopRequest(request, aContext, aStatus);
mParser = 0;
return mListener->OnStopRequest(request, aContext, aStatus);
}
nsresult
nsIndexedToHTML::FormatInputStream(nsIRequest* aRequest, nsISupports *aContext, const nsAString &aBuffer)
{
nsresult rv = NS_OK;
// set up unicode encoder
if (!mUnicodeEncoder) {
nsXPIDLCString encoding;
rv = mParser->GetEncoding(getter_Copies(encoding));
if (NS_SUCCEEDED(rv)) {
nsCOMPtr<nsICharsetConverterManager> charsetConverterManager;
charsetConverterManager = do_GetService(NS_CHARSETCONVERTERMANAGER_CONTRACTID, &rv);
rv = charsetConverterManager->GetUnicodeEncoder(encoding.get(),
getter_AddRefs(mUnicodeEncoder));
if (NS_SUCCEEDED(rv))
rv = mUnicodeEncoder->SetOutputErrorBehavior(nsIUnicodeEncoder::kOnError_Replace,
nsnull, (PRUnichar)'?');
}
}
// convert the data with unicode encoder
char *buffer = nsnull;
PRInt32 dstLength;
if (NS_SUCCEEDED(rv)) {
PRInt32 unicharLength = aBuffer.Length();
rv = mUnicodeEncoder->GetMaxLength(PromiseFlatString(aBuffer).get(),
unicharLength, &dstLength);
if (NS_SUCCEEDED(rv)) {
buffer = (char *) nsMemory::Alloc(dstLength);
NS_ENSURE_TRUE(buffer, NS_ERROR_OUT_OF_MEMORY);
rv = mUnicodeEncoder->Convert(PromiseFlatString(aBuffer).get(), &unicharLength,
buffer, &dstLength);
if (NS_SUCCEEDED(rv)) {
PRInt32 finLen = 0;
rv = mUnicodeEncoder->Finish(buffer + dstLength, &finLen);
if (NS_SUCCEEDED(rv))
dstLength += finLen;
}
}
}
// if conversion error then fallback to UTF-8
if (NS_FAILED(rv)) {
rv = NS_OK;
if (buffer) {
nsMemory::Free(buffer);
buffer = nsnull;
}
}
nsCOMPtr<nsIInputStream> inputData;
if (buffer) {
rv = NS_NewCStringInputStream(getter_AddRefs(inputData), Substring(buffer, buffer + dstLength));
nsMemory::Free(buffer);
NS_ENSURE_SUCCESS(rv, rv);
rv = mListener->OnDataAvailable(aRequest, aContext,
inputData, 0, dstLength);
}
else {
NS_ConvertUTF16toUTF8 utf8Buffer(aBuffer);
rv = NS_NewCStringInputStream(getter_AddRefs(inputData), utf8Buffer);
NS_ENSURE_SUCCESS(rv, rv);
rv = mListener->OnDataAvailable(aRequest, aContext,
inputData, 0, utf8Buffer.Length());
}
return (rv);
}
NS_IMETHODIMP
nsIndexedToHTML::OnDataAvailable(nsIRequest *aRequest,
nsISupports *aCtxt,
nsIInputStream* aInput,
PRUint32 aOffset,
PRUint32 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;
nsString pushBuffer;
pushBuffer.AppendLiteral("<tr");
nsXPIDLString description;
aIndex->GetDescription(getter_Copies(description));
if (description.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.
PRUint32 type;
aIndex->GetType(&type);
switch (type) {
case nsIDirIndex::TYPE_SYMLINK:
pushBuffer.AppendInt(0);
break;
case nsIDirIndex::TYPE_DIRECTORY:
pushBuffer.AppendInt(1);
break;
case nsIDirIndex::TYPE_FILE:
case nsIDirIndex::TYPE_UNKNOWN:
pushBuffer.AppendInt(2);
break;
}
PRUnichar* escaped = nsEscapeHTML2(description.get(), description.Length());
pushBuffer.Append(escaped);
pushBuffer.AppendLiteral("\"><a class=\"");
switch (type) {
case nsIDirIndex::TYPE_DIRECTORY:
pushBuffer.AppendLiteral("dir");
break;
case nsIDirIndex::TYPE_SYMLINK:
pushBuffer.AppendLiteral("symlink");
break;
case nsIDirIndex::TYPE_FILE:
case nsIDirIndex::TYPE_UNKNOWN:
pushBuffer.AppendLiteral("file");
break;
}
pushBuffer.AppendLiteral("\"");
// Truncate long names to not stretch the table
//XXX this should be left to the stylesheet (bug 391471)
nsString escapedShort;
if (description.Length() > 71) {
nsCOMPtr<nsIChannel> channel = do_QueryInterface(aRequest);
nsCOMPtr<nsIURI> uri;
rv = channel->GetURI(getter_AddRefs(uri));
if (NS_FAILED(rv)) return rv;
//XXX this potentially truncates after a combining char (bug 391472)
nsXPIDLString descriptionAffix;
descriptionAffix.Assign(description);
descriptionAffix.Cut(0, descriptionAffix.Length() - 25);
if (NS_IS_LOW_SURROGATE(descriptionAffix.First()))
descriptionAffix.Cut(0, 1);
description.Truncate(PR_MIN(71, description.Length() - 28));
if (NS_IS_HIGH_SURROGATE(description.Last()))
description.Truncate(description.Length() - 1);
escapedShort.Adopt(nsEscapeHTML2(description.get(), description.Length()));
escapedShort.Append(mEscapedEllipsis);
// add ZERO WIDTH SPACE (U+200B) for wrapping
escapedShort.AppendLiteral("&#8203;");
nsString tmp;
tmp.Adopt(nsEscapeHTML2(descriptionAffix.get(), descriptionAffix.Length()));
escapedShort.Append(tmp);
pushBuffer.AppendLiteral(" title=\"");
pushBuffer.Append(escaped);
pushBuffer.AppendLiteral("\"");
}
if (escapedShort.IsEmpty())
escapedShort.Assign(escaped);
nsMemory::Free(escaped);
pushBuffer.AppendLiteral(" href=\"");
nsXPIDLCString loc;
aIndex->GetLocation(getter_Copies(loc));
if (!mTextToSubURI) {
mTextToSubURI = do_GetService(NS_ITEXTTOSUBURI_CONTRACTID, &rv);
if (NS_FAILED(rv)) return rv;
}
nsXPIDLCString encoding;
rv = mParser->GetEncoding(getter_Copies(encoding));
if (NS_FAILED(rv)) return rv;
nsXPIDLString unEscapeSpec;
rv = mTextToSubURI->UnEscapeAndConvert(encoding, loc,
getter_Copies(unEscapeSpec));
if (NS_FAILED(rv)) return rv;
// need to escape links
nsCAutoString escapeBuf;
NS_ConvertUTF16toUTF8 utf8UnEscapeSpec(unEscapeSpec);
// Adding trailing slash helps to recognize whether the URL points to a file
// or a directory (bug #214405).
if ((type == nsIDirIndex::TYPE_DIRECTORY) &&
(utf8UnEscapeSpec.Last() != '/')) {
utf8UnEscapeSpec.Append('/');
}
// now minimally re-escape the location...
PRUint32 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(utf8UnEscapeSpec, nsnull, nsnull, nsnull))) {
// escape as absolute
escFlags = esc_Forced | esc_OnlyASCII | 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_OnlyASCII | esc_AlwaysCopy | esc_FileBaseName | esc_Colon | esc_Directory;
}
NS_EscapeURL(utf8UnEscapeSpec.get(), utf8UnEscapeSpec.Length(), escFlags, escapeBuf);
// 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
escapeBuf.ReplaceSubstring(";", "%3b");
NS_ConvertUTF8toUTF16 utf16URI(escapeBuf);
nsString htmlEscapedURL;
htmlEscapedURL.Adopt(nsEscapeHTML2(utf16URI.get(), utf16URI.Length()));
pushBuffer.Append(htmlEscapedURL);
pushBuffer.AppendLiteral("\">");
if (type == nsIDirIndex::TYPE_FILE || type == nsIDirIndex::TYPE_UNKNOWN) {
pushBuffer.AppendLiteral("<img src=\"moz-icon://");
PRInt32 lastDot = escapeBuf.RFindChar('.');
if (lastDot != kNotFound) {
escapeBuf.Cut(0, lastDot);
NS_ConvertUTF8toUTF16 utf16EscapeBuf(escapeBuf);
nsString htmlFileExt;
htmlFileExt.Adopt(nsEscapeHTML2(utf16EscapeBuf.get(), utf16EscapeBuf.Length()));
pushBuffer.Append(htmlFileExt);
} else {
pushBuffer.AppendLiteral("unknown");
}
pushBuffer.AppendLiteral("?size=16\" alt=\"");
nsXPIDLString altText;
rv = mBundle->GetStringFromName(NS_LITERAL_STRING("DirFileLabel").get(),
getter_Copies(altText));
if (NS_FAILED(rv)) return rv;
AppendNonAsciiToNCR(altText, pushBuffer);
pushBuffer.AppendLiteral("\">");
}
pushBuffer.Append(escapedShort);
pushBuffer.AppendLiteral("</a></td>\n <td");
if (type == nsIDirIndex::TYPE_DIRECTORY || type == nsIDirIndex::TYPE_SYMLINK) {
pushBuffer.AppendLiteral(">");
} else {
PRInt64 size;
aIndex->GetSize(&size);
if (PRUint64(size) != LL_MAXUINT) {
pushBuffer.AppendLiteral(" sortable-data=\"");
pushBuffer.AppendInt(size);
pushBuffer.AppendLiteral("\">");
nsAutoString 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(t);
pushBuffer.AppendLiteral("\">");
nsAutoString formatted;
mDateTime->FormatPRTime(nsnull,
kDateFormatShort,
kTimeFormatNone,
t,
formatted);
AppendNonAsciiToNCR(formatted, pushBuffer);
pushBuffer.AppendLiteral("</td>\n <td>");
mDateTime->FormatPRTime(nsnull,
kDateFormatNone,
kTimeFormatSeconds,
t,
formatted);
// use NCR to show date in any doc charset
AppendNonAsciiToNCR(formatted, pushBuffer);
}
pushBuffer.AppendLiteral("</td>\n</tr>");
return FormatInputStream(aRequest, aCtxt, pushBuffer);
}
NS_IMETHODIMP
nsIndexedToHTML::OnInformationAvailable(nsIRequest *aRequest,
nsISupports *aCtxt,
const nsAString& aInfo) {
nsAutoString pushBuffer;
PRUnichar* escaped = nsEscapeHTML2(PromiseFlatString(aInfo).get());
if (!escaped)
return NS_ERROR_OUT_OF_MEMORY;
pushBuffer.AppendLiteral("<tr>\n <td>");
pushBuffer.Append(escaped);
nsMemory::Free(escaped);
pushBuffer.AppendLiteral("</td>\n <td></td>\n <td></td>\n <td></td>\n</tr>\n");
return FormatInputStream(aRequest, aCtxt, pushBuffer);
}
void nsIndexedToHTML::FormatSizeString(PRInt64 inSize, nsString& outSizeString)
{
outSizeString.Truncate();
if (inSize > PRInt64(0)) {
// round up to the nearest Kilobyte
PRInt64 upperSize = (inSize + PRInt64(1023)) / PRInt64(1024);
outSizeString.AppendInt(upperSize);
outSizeString.AppendLiteral(" KB");
}
}
nsIndexedToHTML::nsIndexedToHTML() {
}
nsIndexedToHTML::~nsIndexedToHTML() {
}
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