PassRefPtrWillBeRawPtr<MHTMLArchive> MHTMLParser::parseArchiveWithHeader(MIMEHeader* header)
{
if (!header) {
WTF_LOG_ERROR("Failed to parse MHTML part: no header.");
return nullptr;
}
RefPtrWillBeRawPtr<MHTMLArchive> archive = MHTMLArchive::create();
if (!header->isMultipart()) {
// With IE a page with no resource is not multi-part.
bool endOfArchiveReached = false;
RefPtrWillBeRawPtr<ArchiveResource> resource = parseNextPart(*header, String(), String(), endOfArchiveReached);
if (!resource)
return nullptr;
archive->setMainResource(resource);
return archive;
}
// Skip the message content (it's a generic browser specific message).
skipLinesUntilBoundaryFound(m_lineReader, header->endOfPartBoundary());
bool endOfArchive = false;
while (!endOfArchive) {
RefPtrWillBeRawPtr<MIMEHeader> resourceHeader = MIMEHeader::parseHeader(&m_lineReader);
if (!resourceHeader) {
WTF_LOG_ERROR("Failed to parse MHTML, invalid MIME header.");
return nullptr;
}
if (resourceHeader->contentType() == "multipart/alternative") {
// Ignore IE nesting which makes little sense (IE seems to nest only some of the frames).
RefPtrWillBeRawPtr<MHTMLArchive> subframeArchive = parseArchiveWithHeader(resourceHeader.get());
if (!subframeArchive) {
WTF_LOG_ERROR("Failed to parse MHTML subframe.");
return nullptr;
}
bool endOfPartReached = skipLinesUntilBoundaryFound(m_lineReader, header->endOfPartBoundary());
ASSERT_UNUSED(endOfPartReached, endOfPartReached);
// The top-frame is the first frame found, regardless of the nesting level.
if (subframeArchive->mainResource())
addResourceToArchive(subframeArchive->mainResource(), archive.get());
archive->addSubframeArchive(subframeArchive);
continue;
}
RefPtrWillBeRawPtr<ArchiveResource> resource = parseNextPart(*resourceHeader, header->endOfPartBoundary(), header->endOfDocumentBoundary(), endOfArchive);
if (!resource) {
WTF_LOG_ERROR("Failed to parse MHTML part.");
return nullptr;
}
addResourceToArchive(resource.get(), archive.get());
}
return archive.release();
}
bool MHTMLParser::parseArchiveWithHeader(
MIMEHeader* header,
HeapVector<Member<ArchiveResource>>& resources) {
if (!header) {
DVLOG(1) << "Failed to parse MHTML part: no header.";
return false;
}
if (!header->isMultipart()) {
// With IE a page with no resource is not multi-part.
bool endOfArchiveReached = false;
ArchiveResource* resource =
parseNextPart(*header, String(), String(), endOfArchiveReached);
if (!resource)
return false;
resources.append(resource);
return true;
}
// Skip the message content (it's a generic browser specific message).
skipLinesUntilBoundaryFound(m_lineReader, header->endOfPartBoundary());
bool endOfArchive = false;
while (!endOfArchive) {
MIMEHeader* resourceHeader = MIMEHeader::parseHeader(&m_lineReader);
if (!resourceHeader) {
DVLOG(1) << "Failed to parse MHTML, invalid MIME header.";
return false;
}
if (resourceHeader->contentType() == "multipart/alternative") {
// Ignore IE nesting which makes little sense (IE seems to nest only some
// of the frames).
if (!parseArchiveWithHeader(resourceHeader, resources)) {
DVLOG(1) << "Failed to parse MHTML subframe.";
return false;
}
skipLinesUntilBoundaryFound(m_lineReader, header->endOfPartBoundary());
continue;
}
ArchiveResource* resource =
parseNextPart(*resourceHeader, header->endOfPartBoundary(),
header->endOfDocumentBoundary(), endOfArchive);
if (!resource) {
DVLOG(1) << "Failed to parse MHTML part.";
return false;
}
resources.append(resource);
}
return true;
}
