Source/WebCore/html/FTPDirectoryDocument.cpp - WebKit - Git at Google

 /*
  * Copyright (C) 2007-2008, 2014-2015 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

 #include "config.h"
 #include "FTPDirectoryDocument.h"

 #if ENABLE(FTPDIR)

 #include "HTMLAnchorElement.h"
 #include "HTMLBodyElement.h"
 #include "HTMLDocumentParser.h"
 #include "HTMLTableCellElement.h"
 #include "HTMLTableElement.h"
 #include "LocalizedStrings.h"
 #include "Logging.h"
 #include "FTPDirectoryParser.h"
 #include "Settings.h"
 #include "SharedBuffer.h"
 #include "Text.h"
 #include <wtf/GregorianDateTime.h>
 #include <wtf/IsoMallocInlines.h>
 #include <wtf/StdLibExtras.h>
 #include <wtf/text/StringConcatenateNumbers.h>
 #include <wtf/unicode/CharacterNames.h>

 namespace WebCore {

 WTF_MAKE_ISO_ALLOCATED_IMPL(FTPDirectoryDocument);

 using namespace HTMLNames;

 class FTPDirectoryDocumentParser final : public HTMLDocumentParser {
 public:
     static Ref<FTPDirectoryDocumentParser> create(HTMLDocument& document)
     {
         return adoptRef(*new FTPDirectoryDocumentParser(document));
     }

 private:
     void append(RefPtr<StringImpl>&&) override;
     void finish() override;

     // FIXME: Why do we need this?
     bool isWaitingForScripts() const override { return false; }

     void checkBuffer(int len = 10)
     {
         if ((m_dest - m_buffer) > m_size - len) {
             // Enlarge buffer
             int newSize = std::max(m_size * 2, m_size + len);
             int oldOffset = m_dest - m_buffer;
             m_buffer = static_cast<UChar*>(fastRealloc(m_buffer, newSize * sizeof(UChar)));
             m_dest = m_buffer + oldOffset;
             m_size = newSize;
         }
     }

     FTPDirectoryDocumentParser(HTMLDocument&);

     // The parser will attempt to load the document template specified via the preference
     // Failing that, it will fall back and create the basic document which will have a minimal
     // table for presenting the FTP directory in a useful manner
     bool loadDocumentTemplate();
     void createBasicDocument();

     void parseAndAppendOneLine(const String&);
     void appendEntry(const String& name, const String& size, const String& date, bool isDirectory);
     Ref<Element> createTDForFilename(const String&);

     RefPtr<HTMLTableElement> m_tableElement;

     bool m_skipLF { false };

     int m_size { 254 };
     UChar* m_buffer;
     UChar* m_dest;
     String m_carryOver;

     ListState m_listState;
 };

 FTPDirectoryDocumentParser::FTPDirectoryDocumentParser(HTMLDocument& document)
     : HTMLDocumentParser(document)
     , m_buffer(static_cast<UChar*>(fastMalloc(sizeof(UChar) * m_size)))
     , m_dest(m_buffer)
 {
 }

 void FTPDirectoryDocumentParser::appendEntry(const String& filename, const String& size, const String& date, bool isDirectory)
 {
     auto& document = *this->document();

     auto rowElement = m_tableElement->insertRow(-1).releaseReturnValue();
     rowElement->setAttributeWithoutSynchronization(HTMLNames::classAttr, AtomicString("ftpDirectoryEntryRow", AtomicString::ConstructFromLiteral));

     auto typeElement = HTMLTableCellElement::create(tdTag, document);
     typeElement->appendChild(Text::create(document, String(&noBreakSpace, 1)));
     if (isDirectory)
         typeElement->setAttributeWithoutSynchronization(HTMLNames::classAttr, AtomicString("ftpDirectoryIcon ftpDirectoryTypeDirectory", AtomicString::ConstructFromLiteral));
     else
         typeElement->setAttributeWithoutSynchronization(HTMLNames::classAttr, AtomicString("ftpDirectoryIcon ftpDirectoryTypeFile", AtomicString::ConstructFromLiteral));
     rowElement->appendChild(typeElement);

     auto nameElement = createTDForFilename(filename);
     nameElement->setAttributeWithoutSynchronization(HTMLNames::classAttr, AtomicString("ftpDirectoryFileName", AtomicString::ConstructFromLiteral));
     rowElement->appendChild(nameElement);

     auto dateElement = HTMLTableCellElement::create(tdTag, document);
     dateElement->appendChild(Text::create(document, date));
     dateElement->setAttributeWithoutSynchronization(HTMLNames::classAttr, AtomicString("ftpDirectoryFileDate", AtomicString::ConstructFromLiteral));
     rowElement->appendChild(dateElement);

     auto sizeElement = HTMLTableCellElement::create(tdTag, document);
     sizeElement->appendChild(Text::create(document, size));
     sizeElement->setAttributeWithoutSynchronization(HTMLNames::classAttr, AtomicString("ftpDirectoryFileSize", AtomicString::ConstructFromLiteral));
     rowElement->appendChild(sizeElement);
 }

 Ref<Element> FTPDirectoryDocumentParser::createTDForFilename(const String& filename)
 {
     auto& document = *this->document();

     String fullURL = document.baseURL().string();
     if (fullURL.endsWith('/'))
         fullURL = fullURL + filename;
     else
         fullURL = fullURL + '/' + filename;

     auto anchorElement = HTMLAnchorElement::create(document);
     anchorElement->setAttributeWithoutSynchronization(HTMLNames::hrefAttr, fullURL);
     anchorElement->appendChild(Text::create(document, filename));

     auto tdElement = HTMLTableCellElement::create(tdTag, document);
     tdElement->appendChild(anchorElement);

     return WTFMove(tdElement);
 }

 static String processFilesizeString(const String& size, bool isDirectory)
 {
     if (isDirectory)
         return "--"_s;

     bool valid;
     int64_t bytes = size.toUInt64(&valid);
     if (!valid)
         return unknownFileSizeText();

     if (bytes < 1000000)
         return makeString(FormattedNumber::fixedWidth(bytes / 1000., 2), " KB");

     if (bytes < 1000000000)
         return makeString(FormattedNumber::fixedWidth(bytes / 1000000., 2), " MB");

     return makeString(FormattedNumber::fixedWidth(bytes / 1000000000., 2), " GB");
 }

 static bool wasLastDayOfMonth(int year, int month, int day)
 {
     static const int lastDays[] = { 31, 0, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
     if (month < 0 || month > 11)
         return false;

     if (month == 2) {
         if (year % 4 == 0 && (year % 100 || year % 400 == 0)) {
             if (day == 29)
                 return true;
             return false;
         }

         if (day == 28)
             return true;
         return false;
     }

     return lastDays[month] == day;
 }

 static String processFileDateString(const FTPTime& fileTime)
 {
     // FIXME: Need to localize this string?

     String timeOfDay;

     if (!(fileTime.tm_hour == 0 && fileTime.tm_min == 0 && fileTime.tm_sec == 0)) {
         int hour = fileTime.tm_hour;
         ASSERT(hour >= 0 && hour < 24);

         if (hour < 12) {
             if (hour == 0)
                 hour = 12;
             timeOfDay = makeString(", ", hour, ':', pad('0', 2, fileTime.tm_min), " AM");
         } else {
             hour = hour - 12;
             if (hour == 0)
                 hour = 12;
             timeOfDay = makeString(", ", hour, ':', pad('0', 2, fileTime.tm_min), " PM");
         }
     }

     // If it was today or yesterday, lets just do that - but we have to compare to the current time
     GregorianDateTime now;
     now.setToCurrentLocalTime();

     if (fileTime.tm_year == now.year()) {
         if (fileTime.tm_mon == now.month()) {
             if (fileTime.tm_mday == now.monthDay())
                 return "Today" + timeOfDay;
             if (fileTime.tm_mday == now.monthDay() - 1)
                 return "Yesterday" + timeOfDay;
         }

         if (now.monthDay() == 1 && (now.month() == fileTime.tm_mon + 1 || (now.month() == 0 && fileTime.tm_mon == 11)) &&
             wasLastDayOfMonth(fileTime.tm_year, fileTime.tm_mon, fileTime.tm_mday))
                 return "Yesterday" + timeOfDay;
     }

     if (fileTime.tm_year == now.year() - 1 && fileTime.tm_mon == 12 && fileTime.tm_mday == 31 && now.month() == 1 && now.monthDay() == 1)
         return "Yesterday" + timeOfDay;

     static const char* months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", "???" };

     int month = fileTime.tm_mon;
     if (month < 0 || month > 11)
         month = 12;

     String dateString;

     if (fileTime.tm_year > -1)
         dateString = makeString(months[month], ' ', fileTime.tm_mday, ", ", fileTime.tm_year);
     else
         dateString = makeString(months[month], ' ', fileTime.tm_mday, ", ", now.year());

     return dateString + timeOfDay;
 }

 void FTPDirectoryDocumentParser::parseAndAppendOneLine(const String& inputLine)
 {
     ListResult result;
     CString latin1Input = inputLine.latin1();

     FTPEntryType typeResult = parseOneFTPLine(latin1Input.data(), m_listState, result);

     // FTPMiscEntry is a comment or usage statistic which we don't care about, and junk is invalid data - bail in these 2 cases
     if (typeResult == FTPMiscEntry || typeResult == FTPJunkEntry)
         return;

     String filename(result.filename, result.filenameLength);
     if (result.type == FTPDirectoryEntry) {
         filename.append('/');

         // We have no interest in linking to "current directory"
         if (filename == "./")
             return;
     }

     LOG(FTP, "Appending entry - %s, %s", filename.ascii().data(), result.fileSize.ascii().data());

     appendEntry(filename, processFilesizeString(result.fileSize, result.type == FTPDirectoryEntry), processFileDateString(result.modifiedTime), result.type == FTPDirectoryEntry);
 }

 static inline RefPtr<SharedBuffer> createTemplateDocumentData(const Settings& settings)
 {
     auto buffer = SharedBuffer::createWithContentsOfFile(settings.ftpDirectoryTemplatePath());
     if (buffer)
         LOG(FTP, "Loaded FTPDirectoryTemplate of length %zu\n", buffer->size());
     return buffer;
 }

 bool FTPDirectoryDocumentParser::loadDocumentTemplate()
 {
     static SharedBuffer* templateDocumentData = createTemplateDocumentData(document()->settings()).leakRef();
     // FIXME: Instead of storing the data, it would be more efficient if we could parse the template data into the
     // template Document once, store that document, then "copy" it whenever we get an FTP directory listing.

     if (!templateDocumentData) {
         LOG_ERROR("Could not load templateData");
         return false;
     }

     HTMLDocumentParser::insert(String(templateDocumentData->data(), templateDocumentData->size()));

     auto& document = *this->document();

     auto foundElement = makeRefPtr(document.getElementById(String("ftpDirectoryTable"_s)));
     if (!foundElement)
         LOG_ERROR("Unable to find element by id \"ftpDirectoryTable\" in the template document.");
     else if (!is<HTMLTableElement>(foundElement))
         LOG_ERROR("Element of id \"ftpDirectoryTable\" is not a table element");
     else {
         m_tableElement = downcast<HTMLTableElement>(foundElement.get());
         return true;
     }

     m_tableElement = HTMLTableElement::create(document);
     m_tableElement->setAttributeWithoutSynchronization(HTMLNames::idAttr, AtomicString("ftpDirectoryTable", AtomicString::ConstructFromLiteral));

     // If we didn't find the table element, lets try to append our own to the body.
     // If that fails for some reason, cram it on the end of the document as a last ditch effort.
     if (auto body = makeRefPtr(document.bodyOrFrameset()))
         body->appendChild(*m_tableElement);
     else
         document.appendChild(*m_tableElement);

     return true;
 }

 void FTPDirectoryDocumentParser::createBasicDocument()
 {
     LOG(FTP, "Creating a basic FTP document structure as no template was loaded");

     auto& document = *this->document();

     auto bodyElement = HTMLBodyElement::create(document);
     document.appendChild(bodyElement);

     m_tableElement = HTMLTableElement::create(document);
     m_tableElement->setAttributeWithoutSynchronization(HTMLNames::idAttr, AtomicString("ftpDirectoryTable", AtomicString::ConstructFromLiteral));
     m_tableElement->setAttribute(HTMLNames::styleAttr, AtomicString("width:100%", AtomicString::ConstructFromLiteral));

     bodyElement->appendChild(*m_tableElement);

     document.processViewport("width=device-width", ViewportArguments::ViewportMeta);
 }

 void FTPDirectoryDocumentParser::append(RefPtr<StringImpl>&& inputSource)
 {
     // Make sure we have the table element to append to by loading the template set in the pref, or
     // creating a very basic document with the appropriate table
     if (!m_tableElement) {
         if (!loadDocumentTemplate())
             createBasicDocument();
         ASSERT(m_tableElement);
     }

     bool foundNewLine = false;

     m_dest = m_buffer;
     SegmentedString string { String { WTFMove(inputSource) } };
     while (!string.isEmpty()) {
         UChar c = string.currentCharacter();

         if (c == '\r') {
             *m_dest++ = '\n';
             foundNewLine = true;
             // possibly skip an LF in the case of an CRLF sequence
             m_skipLF = true;
         } else if (c == '\n') {
             if (!m_skipLF)
                 *m_dest++ = c;
             else
                 m_skipLF = false;
         } else {
             *m_dest++ = c;
             m_skipLF = false;
         }

         string.advance();

         // Maybe enlarge the buffer
         checkBuffer();
     }

     if (!foundNewLine) {
         m_dest = m_buffer;
         return;
     }

     UChar* start = m_buffer;
     UChar* cursor = start;

     while (cursor < m_dest) {
         if (*cursor == '\n') {
             m_carryOver.append(String(start, cursor - start));
             LOG(FTP, "%s", m_carryOver.ascii().data());
             parseAndAppendOneLine(m_carryOver);
             m_carryOver = String();

             start = ++cursor;
         } else
             cursor++;
     }

     // Copy the partial line we have left to the carryover buffer
     if (cursor - start > 1)
         m_carryOver.append(String(start, cursor - start - 1));
 }

 void FTPDirectoryDocumentParser::finish()
 {
     // Possible the last line in the listing had no newline, so try to parse it now
     if (!m_carryOver.isEmpty()) {
         parseAndAppendOneLine(m_carryOver);
         m_carryOver = String();
     }

     m_tableElement = nullptr;
     fastFree(m_buffer);

     HTMLDocumentParser::finish();
 }

 FTPDirectoryDocument::FTPDirectoryDocument(Frame* frame, const URL& url)
     : HTMLDocument(frame, url)
 {
 #if !LOG_DISABLED
     LogFTP.state = WTFLogChannelState::On;
 #endif
 }

 Ref<DocumentParser> FTPDirectoryDocument::createParser()
 {
     return FTPDirectoryDocumentParser::create(*this);
 }

 }

 #endif // ENABLE(FTPDIR)
	/*
	* Copyright (C) 2007-2008, 2014-2015 Apple Inc. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	*
	* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
	* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
	* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#include "config.h"
	#include "FTPDirectoryDocument.h"

	#if ENABLE(FTPDIR)

	#include "HTMLAnchorElement.h"
	#include "HTMLBodyElement.h"
	#include "HTMLDocumentParser.h"
	#include "HTMLTableCellElement.h"
	#include "HTMLTableElement.h"
	#include "LocalizedStrings.h"
	#include "Logging.h"
	#include "FTPDirectoryParser.h"
	#include "Settings.h"
	#include "SharedBuffer.h"
	#include "Text.h"
	#include <wtf/GregorianDateTime.h>
	#include <wtf/IsoMallocInlines.h>
	#include <wtf/StdLibExtras.h>
	#include <wtf/text/StringConcatenateNumbers.h>
	#include <wtf/unicode/CharacterNames.h>

	namespace WebCore {

	WTF_MAKE_ISO_ALLOCATED_IMPL(FTPDirectoryDocument);

	using namespace HTMLNames;

	class FTPDirectoryDocumentParser final : public HTMLDocumentParser {
	public:
	static Ref<FTPDirectoryDocumentParser> create(HTMLDocument& document)
	{
	return adoptRef(*new FTPDirectoryDocumentParser(document));
	}

	private:
	void append(RefPtr<StringImpl>&&) override;
	void finish() override;

	// FIXME: Why do we need this?
	bool isWaitingForScripts() const override { return false; }

	void checkBuffer(int len = 10)
	{
	if ((m_dest - m_buffer) > m_size - len) {
	// Enlarge buffer
	int newSize = std::max(m_size * 2, m_size + len);
	int oldOffset = m_dest - m_buffer;
	m_buffer = static_cast<UChar>(fastRealloc(m_buffer, newSize sizeof(UChar)));
	m_dest = m_buffer + oldOffset;
	m_size = newSize;
	}
	}

	FTPDirectoryDocumentParser(HTMLDocument&);

	// The parser will attempt to load the document template specified via the preference
	// Failing that, it will fall back and create the basic document which will have a minimal
	// table for presenting the FTP directory in a useful manner
	bool loadDocumentTemplate();
	void createBasicDocument();

	void parseAndAppendOneLine(const String&);
	void appendEntry(const String& name, const String& size, const String& date, bool isDirectory);
	Ref<Element> createTDForFilename(const String&);

	RefPtr<HTMLTableElement> m_tableElement;

	bool m_skipLF { false };

	int m_size { 254 };
	UChar* m_buffer;
	UChar* m_dest;
	String m_carryOver;

	ListState m_listState;
	};

	FTPDirectoryDocumentParser::FTPDirectoryDocumentParser(HTMLDocument& document)
	: HTMLDocumentParser(document)
	, m_buffer(static_cast<UChar>(fastMalloc(sizeof(UChar) m_size)))
	, m_dest(m_buffer)
	{
	}

	void FTPDirectoryDocumentParser::appendEntry(const String& filename, const String& size, const String& date, bool isDirectory)
	{
	auto& document = *this->document();

	auto rowElement = m_tableElement->insertRow(-1).releaseReturnValue();
	rowElement->setAttributeWithoutSynchronization(HTMLNames::classAttr, AtomicString("ftpDirectoryEntryRow", AtomicString::ConstructFromLiteral));

	auto typeElement = HTMLTableCellElement::create(tdTag, document);
	typeElement->appendChild(Text::create(document, String(&noBreakSpace, 1)));
	if (isDirectory)
	typeElement->setAttributeWithoutSynchronization(HTMLNames::classAttr, AtomicString("ftpDirectoryIcon ftpDirectoryTypeDirectory", AtomicString::ConstructFromLiteral));
	else
	typeElement->setAttributeWithoutSynchronization(HTMLNames::classAttr, AtomicString("ftpDirectoryIcon ftpDirectoryTypeFile", AtomicString::ConstructFromLiteral));
	rowElement->appendChild(typeElement);

	auto nameElement = createTDForFilename(filename);
	nameElement->setAttributeWithoutSynchronization(HTMLNames::classAttr, AtomicString("ftpDirectoryFileName", AtomicString::ConstructFromLiteral));
	rowElement->appendChild(nameElement);

	auto dateElement = HTMLTableCellElement::create(tdTag, document);
	dateElement->appendChild(Text::create(document, date));
	dateElement->setAttributeWithoutSynchronization(HTMLNames::classAttr, AtomicString("ftpDirectoryFileDate", AtomicString::ConstructFromLiteral));
	rowElement->appendChild(dateElement);

	auto sizeElement = HTMLTableCellElement::create(tdTag, document);
	sizeElement->appendChild(Text::create(document, size));
	sizeElement->setAttributeWithoutSynchronization(HTMLNames::classAttr, AtomicString("ftpDirectoryFileSize", AtomicString::ConstructFromLiteral));
	rowElement->appendChild(sizeElement);
	}

	Ref<Element> FTPDirectoryDocumentParser::createTDForFilename(const String& filename)
	{
	auto& document = *this->document();

	String fullURL = document.baseURL().string();
	if (fullURL.endsWith('/'))
	fullURL = fullURL + filename;
	else
	fullURL = fullURL + '/' + filename;

	auto anchorElement = HTMLAnchorElement::create(document);
	anchorElement->setAttributeWithoutSynchronization(HTMLNames::hrefAttr, fullURL);
	anchorElement->appendChild(Text::create(document, filename));

	auto tdElement = HTMLTableCellElement::create(tdTag, document);
	tdElement->appendChild(anchorElement);

	return WTFMove(tdElement);
	}

	static String processFilesizeString(const String& size, bool isDirectory)
	{
	if (isDirectory)
	return "--"_s;

	bool valid;
	int64_t bytes = size.toUInt64(&valid);
	if (!valid)
	return unknownFileSizeText();

	if (bytes < 1000000)
	return makeString(FormattedNumber::fixedWidth(bytes / 1000., 2), " KB");

	if (bytes < 1000000000)
	return makeString(FormattedNumber::fixedWidth(bytes / 1000000., 2), " MB");

	return makeString(FormattedNumber::fixedWidth(bytes / 1000000000., 2), " GB");
	}

	static bool wasLastDayOfMonth(int year, int month, int day)
	{
	static const int lastDays[] = { 31, 0, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
	if (month < 0 \|\| month > 11)
	return false;

	if (month == 2) {
	if (year % 4 == 0 && (year % 100 \|\| year % 400 == 0)) {
	if (day == 29)
	return true;
	return false;
	}

	if (day == 28)
	return true;
	return false;
	}

	return lastDays[month] == day;
	}

	static String processFileDateString(const FTPTime& fileTime)
	{
	// FIXME: Need to localize this string?

	String timeOfDay;

	if (!(fileTime.tm_hour == 0 && fileTime.tm_min == 0 && fileTime.tm_sec == 0)) {
	int hour = fileTime.tm_hour;
	ASSERT(hour >= 0 && hour < 24);

	if (hour < 12) {
	if (hour == 0)
	hour = 12;
	timeOfDay = makeString(", ", hour, ':', pad('0', 2, fileTime.tm_min), " AM");
	} else {
	hour = hour - 12;
	if (hour == 0)
	hour = 12;
	timeOfDay = makeString(", ", hour, ':', pad('0', 2, fileTime.tm_min), " PM");
	}
	}

	// If it was today or yesterday, lets just do that - but we have to compare to the current time
	GregorianDateTime now;
	now.setToCurrentLocalTime();

	if (fileTime.tm_year == now.year()) {
	if (fileTime.tm_mon == now.month()) {
	if (fileTime.tm_mday == now.monthDay())
	return "Today" + timeOfDay;
	if (fileTime.tm_mday == now.monthDay() - 1)
	return "Yesterday" + timeOfDay;
	}

	if (now.monthDay() == 1 && (now.month() == fileTime.tm_mon + 1 \|\| (now.month() == 0 && fileTime.tm_mon == 11)) &&
	wasLastDayOfMonth(fileTime.tm_year, fileTime.tm_mon, fileTime.tm_mday))
	return "Yesterday" + timeOfDay;
	}

	if (fileTime.tm_year == now.year() - 1 && fileTime.tm_mon == 12 && fileTime.tm_mday == 31 && now.month() == 1 && now.monthDay() == 1)
	return "Yesterday" + timeOfDay;

	static const char* months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", "???" };

	int month = fileTime.tm_mon;
	if (month < 0 \|\| month > 11)
	month = 12;

	String dateString;

	if (fileTime.tm_year > -1)
	dateString = makeString(months[month], ' ', fileTime.tm_mday, ", ", fileTime.tm_year);
	else
	dateString = makeString(months[month], ' ', fileTime.tm_mday, ", ", now.year());

	return dateString + timeOfDay;
	}

	void FTPDirectoryDocumentParser::parseAndAppendOneLine(const String& inputLine)
	{
	ListResult result;
	CString latin1Input = inputLine.latin1();

	FTPEntryType typeResult = parseOneFTPLine(latin1Input.data(), m_listState, result);

	// FTPMiscEntry is a comment or usage statistic which we don't care about, and junk is invalid data - bail in these 2 cases
	if (typeResult == FTPMiscEntry \|\| typeResult == FTPJunkEntry)
	return;

	String filename(result.filename, result.filenameLength);
	if (result.type == FTPDirectoryEntry) {
	filename.append('/');

	// We have no interest in linking to "current directory"
	if (filename == "./")
	return;
	}

	LOG(FTP, "Appending entry - %s, %s", filename.ascii().data(), result.fileSize.ascii().data());

	appendEntry(filename, processFilesizeString(result.fileSize, result.type == FTPDirectoryEntry), processFileDateString(result.modifiedTime), result.type == FTPDirectoryEntry);
	}

	static inline RefPtr<SharedBuffer> createTemplateDocumentData(const Settings& settings)
	{
	auto buffer = SharedBuffer::createWithContentsOfFile(settings.ftpDirectoryTemplatePath());
	if (buffer)
	LOG(FTP, "Loaded FTPDirectoryTemplate of length %zu\n", buffer->size());
	return buffer;
	}

	bool FTPDirectoryDocumentParser::loadDocumentTemplate()
	{
	static SharedBuffer* templateDocumentData = createTemplateDocumentData(document()->settings()).leakRef();
	// FIXME: Instead of storing the data, it would be more efficient if we could parse the template data into the
	// template Document once, store that document, then "copy" it whenever we get an FTP directory listing.

	if (!templateDocumentData) {
	LOG_ERROR("Could not load templateData");
	return false;
	}

	HTMLDocumentParser::insert(String(templateDocumentData->data(), templateDocumentData->size()));

	auto& document = *this->document();

	auto foundElement = makeRefPtr(document.getElementById(String("ftpDirectoryTable"_s)));
	if (!foundElement)
	LOG_ERROR("Unable to find element by id \"ftpDirectoryTable\" in the template document.");
	else if (!is<HTMLTableElement>(foundElement))
	LOG_ERROR("Element of id \"ftpDirectoryTable\" is not a table element");
	else {
	m_tableElement = downcast<HTMLTableElement>(foundElement.get());
	return true;
	}

	m_tableElement = HTMLTableElement::create(document);
	m_tableElement->setAttributeWithoutSynchronization(HTMLNames::idAttr, AtomicString("ftpDirectoryTable", AtomicString::ConstructFromLiteral));

	// If we didn't find the table element, lets try to append our own to the body.
	// If that fails for some reason, cram it on the end of the document as a last ditch effort.
	if (auto body = makeRefPtr(document.bodyOrFrameset()))
	body->appendChild(*m_tableElement);
	else
	document.appendChild(*m_tableElement);

	return true;
	}

	void FTPDirectoryDocumentParser::createBasicDocument()
	{
	LOG(FTP, "Creating a basic FTP document structure as no template was loaded");

	auto& document = *this->document();

	auto bodyElement = HTMLBodyElement::create(document);
	document.appendChild(bodyElement);

	m_tableElement = HTMLTableElement::create(document);
	m_tableElement->setAttributeWithoutSynchronization(HTMLNames::idAttr, AtomicString("ftpDirectoryTable", AtomicString::ConstructFromLiteral));
	m_tableElement->setAttribute(HTMLNames::styleAttr, AtomicString("width:100%", AtomicString::ConstructFromLiteral));

	bodyElement->appendChild(*m_tableElement);

	document.processViewport("width=device-width", ViewportArguments::ViewportMeta);
	}

	void FTPDirectoryDocumentParser::append(RefPtr<StringImpl>&& inputSource)
	{
	// Make sure we have the table element to append to by loading the template set in the pref, or
	// creating a very basic document with the appropriate table
	if (!m_tableElement) {
	if (!loadDocumentTemplate())
	createBasicDocument();
	ASSERT(m_tableElement);
	}

	bool foundNewLine = false;

	m_dest = m_buffer;
	SegmentedString string { String { WTFMove(inputSource) } };
	while (!string.isEmpty()) {
	UChar c = string.currentCharacter();

	if (c == '\r') {
	*m_dest++ = '\n';
	foundNewLine = true;
	// possibly skip an LF in the case of an CRLF sequence
	m_skipLF = true;
	} else if (c == '\n') {
	if (!m_skipLF)
	*m_dest++ = c;
	else
	m_skipLF = false;
	} else {
	*m_dest++ = c;
	m_skipLF = false;
	}

	string.advance();

	// Maybe enlarge the buffer
	checkBuffer();
	}

	if (!foundNewLine) {
	m_dest = m_buffer;
	return;
	}

	UChar* start = m_buffer;
	UChar* cursor = start;

	while (cursor < m_dest) {
	if (*cursor == '\n') {
	m_carryOver.append(String(start, cursor - start));
	LOG(FTP, "%s", m_carryOver.ascii().data());
	parseAndAppendOneLine(m_carryOver);
	m_carryOver = String();

	start = ++cursor;
	} else
	cursor++;
	}

	// Copy the partial line we have left to the carryover buffer
	if (cursor - start > 1)
	m_carryOver.append(String(start, cursor - start - 1));
	}

	void FTPDirectoryDocumentParser::finish()
	{
	// Possible the last line in the listing had no newline, so try to parse it now
	if (!m_carryOver.isEmpty()) {
	parseAndAppendOneLine(m_carryOver);
	m_carryOver = String();
	}

	m_tableElement = nullptr;
	fastFree(m_buffer);

	HTMLDocumentParser::finish();
	}

	FTPDirectoryDocument::FTPDirectoryDocument(Frame* frame, const URL& url)
	: HTMLDocument(frame, url)
	{
	#if !LOG_DISABLED
	LogFTP.state = WTFLogChannelState::On;
	#endif
	}

	Ref<DocumentParser> FTPDirectoryDocument::createParser()
	{
	return FTPDirectoryDocumentParser::create(*this);
	}

	}

	#endif // ENABLE(FTPDIR)