// static
bool
InternalHeaders::IsInvalidValue(const nsACString& aValue, ErrorResult& aRv)
{
if (!NS_IsReasonableHTTPHeaderValue(aValue)) {
NS_ConvertUTF8toUTF16 label(aValue);
aRv.ThrowTypeError<MSG_INVALID_HEADER_VALUE>(label);
return true;
}
return false;
}
// static
bool
FetchUtil::ExtractHeader(nsACString::const_iterator& aStart,
nsACString::const_iterator& aEnd,
nsCString& aHeaderName,
nsCString& aHeaderValue,
bool* aWasEmptyHeader)
{
MOZ_ASSERT(aWasEmptyHeader);
// Set it to a valid value here so we don't forget later.
*aWasEmptyHeader = false;
const char* beginning = aStart.get();
nsACString::const_iterator end(aEnd);
if (!FindCRLF(aStart, end)) {
return false;
}
if (aStart.get() == beginning) {
*aWasEmptyHeader = true;
return true;
}
nsAutoCString header(beginning, aStart.get() - beginning);
nsACString::const_iterator headerStart, iter, headerEnd;
header.BeginReading(headerStart);
header.EndReading(headerEnd);
iter = headerStart;
if (!FindCharInReadable(':', iter, headerEnd)) {
return false;
}
aHeaderName.Assign(StringHead(header, iter - headerStart));
aHeaderName.CompressWhitespace();
if (!NS_IsValidHTTPToken(aHeaderName)) {
return false;
}
aHeaderValue.Assign(Substring(++iter, headerEnd));
if (!NS_IsReasonableHTTPHeaderValue(aHeaderValue)) {
return false;
}
aHeaderValue.CompressWhitespace();
return PushOverLine(aStart, aEnd);
}
bool
ParseHeader(nsACString::const_iterator& aStart,
nsACString::const_iterator& aEnd,
bool* aWasEmptyHeader)
{
MOZ_ASSERT(aWasEmptyHeader);
// Set it to a valid value here so we don't forget later.
*aWasEmptyHeader = false;
const char* beginning = aStart.get();
nsACString::const_iterator end(aEnd);
if (!FindCRLF(aStart, end)) {
return false;
}
if (aStart.get() == beginning) {
*aWasEmptyHeader = true;
return true;
}
nsAutoCString header(beginning, aStart.get() - beginning);
nsACString::const_iterator headerStart, headerEnd;
header.BeginReading(headerStart);
header.EndReading(headerEnd);
if (!FindCharInReadable(':', headerStart, headerEnd)) {
return false;
}
nsAutoCString headerName(StringHead(header, headerStart.size_backward()));
headerName.CompressWhitespace();
if (!NS_IsValidHTTPToken(headerName)) {
return false;
}
nsAutoCString headerValue(Substring(++headerStart, headerEnd));
if (!NS_IsReasonableHTTPHeaderValue(headerValue)) {
return false;
}
headerValue.CompressWhitespace();
if (headerName.LowerCaseEqualsLiteral("content-disposition")) {
nsCCharSeparatedTokenizer tokenizer(headerValue, ';');
bool seenFormData = false;
while (tokenizer.hasMoreTokens()) {
const nsDependentCSubstring& token = tokenizer.nextToken();
if (token.IsEmpty()) {
continue;
}
if (token.EqualsLiteral("form-data")) {
seenFormData = true;
continue;
}
if (seenFormData &&
StringBeginsWith(token, NS_LITERAL_CSTRING("name="))) {
mName = StringTail(token, token.Length() - 5);
mName.Trim(" \"");
continue;
}
if (seenFormData &&
StringBeginsWith(token, NS_LITERAL_CSTRING("filename="))) {
mFilename = StringTail(token, token.Length() - 9);
mFilename.Trim(" \"");
continue;
}
}
if (mName.IsVoid()) {
// Could not parse a valid entry name.
return false;
}
} else if (headerName.LowerCaseEqualsLiteral("content-type")) {
mContentType = headerValue;
}
return true;
}