mhtml_archive.cc | Explore in Territory

/*
 * Copyright (C) 2011 Google 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "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 THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR 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 "third_party/blink/renderer/platform/mhtml/mhtml_archive.h"

#include <stddef.h>

#include "base/containers/contains.h"
#include "base/i18n/time_formatting.h"
#include "base/metrics/histogram_macros.h"
#include "base/numerics/safe_conversions.h"
#include "base/strings/stringprintf.h"
#include "build/build_config.h"
#include "services/network/public/cpp/is_potentially_trustworthy.h"
#include "third_party/blink/public/mojom/loader/mhtml_load_result.mojom-blink.h"
#include "third_party/blink/renderer/platform/mhtml/archive_resource.h"
#include "third_party/blink/renderer/platform/mhtml/mhtml_parser.h"
#include "third_party/blink/renderer/platform/mhtml/serialized_resource.h"
#include "third_party/blink/renderer/platform/network/mime/mime_type_registry.h"
#include "third_party/blink/renderer/platform/text/date_components.h"
#include "third_party/blink/renderer/platform/weborigin/scheme_registry.h"
#include "third_party/blink/renderer/platform/wtf/assertions.h"
#include "third_party/blink/renderer/platform/wtf/date_math.h"
#include "third_party/blink/renderer/platform/wtf/shared_buffer.h"
#include "third_party/blink/renderer/platform/wtf/text/ascii_ctype.h"
#include "third_party/blink/renderer/platform/wtf/text/base64.h"
#include "third_party/blink/renderer/platform/wtf/text/string_builder.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"

namespace blink {

namespace {

MHTMLLoadResult;

const size_t kMaximumLineLength = …;

const char kRFC2047EncodingPrefix[] = …;
const size_t kRFC2047EncodingPrefixLength = …;
const char kRFC2047EncodingSuffix[] = …;
const size_t kRFC2047EncodingSuffixLength = …;

const char kQuotedPrintable[] = …;
const char kBase64[] = …;
const char kBinary[] = …;

// Returns the length of a line-ending if one is present starting at
// |input[index]| or zero if no line-ending is present at the given |index|.
size_t LengthOfLineEndingAtIndex(base::span<const char> input, size_t index) { … }

// Performs quoted-printable encoding characters, per RFC 2047.
void QuotedPrintableEncode(base::span<const char> input,
                           bool is_header,
                           Vector<char>& out) { … }

String ConvertToPrintableCharacters(const String& text) { … }

}  // namespace

MHTMLArchive::MHTMLArchive() : … { … }

// static
void MHTMLArchive::ReportLoadResult(MHTMLLoadResult result) { … }

// static
MHTMLArchive* MHTMLArchive::Create(const KURL& url,
                                   scoped_refptr<const SharedBuffer> data) { … }

// static
MHTMLArchive* MHTMLArchive::CreateArchive(
    const KURL& url,
    scoped_refptr<const SharedBuffer> data) { … }

bool MHTMLArchive::CanLoadArchive(const KURL& url) { … }

void MHTMLArchive::GenerateMHTMLHeader(const String& boundary,
                                       const KURL& url,
                                       const String& title,
                                       const String& mime_type,
                                       base::Time date,
                                       Vector<char>& output_buffer) { … }

void MHTMLArchive::GenerateMHTMLPart(const String& boundary,
                                     const String& content_id,
                                     EncodingPolicy encoding_policy,
                                     const SerializedResource& resource,
                                     Vector<char>& output_buffer) { … }

void MHTMLArchive::GenerateMHTMLFooterForTesting(const String& boundary,
                                                 Vector<char>& output_buffer) { … }

void MHTMLArchive::SetMainResource(ArchiveResource* main_resource) { … }

void MHTMLArchive::AddSubresource(ArchiveResource* resource) { … }

ArchiveResource* MHTMLArchive::SubresourceForURL(const KURL& url) const { … }

String MHTMLArchive::GetCacheIdentifier() const { … }

void MHTMLArchive::Trace(Visitor* visitor) const { … }

}  // namespace blink
chromium/third_party/blink/renderer/platform/mhtml/mhtml_archive.cc
