void CheckRangesTestFileResponse(const CCurlFile& curl, const std::string& result, const CHttpRanges& ranges)
{
// get the HTTP header details
const CHttpHeader& httpHeader = curl.GetHttpHeader();
// check the protocol line for the expected HTTP status
std::string httpStatusString = StringUtils::Format(" %d ", MHD_HTTP_PARTIAL_CONTENT);
std::string protocolLine = httpHeader.GetProtoLine();
ASSERT_TRUE(protocolLine.find(httpStatusString) != std::string::npos);
// Accept-Ranges must be "bytes"
EXPECT_STREQ("bytes", httpHeader.GetValue(MHD_HTTP_HEADER_ACCEPT_RANGES).c_str());
// check Last-Modified
CDateTime lastModified;
ASSERT_TRUE(GetLastModifiedOfTestFile(TEST_FILES_RANGES, lastModified));
ASSERT_STREQ(lastModified.GetAsRFC1123DateTime().c_str(), httpHeader.GetValue(MHD_HTTP_HEADER_LAST_MODIFIED).c_str());
// Cache-Control must contain "mag-age=0" and "no-cache"
std::string cacheControl = httpHeader.GetValue(MHD_HTTP_HEADER_CACHE_CONTROL);
EXPECT_TRUE(cacheControl.find("max-age=31536000") != std::string::npos);
EXPECT_TRUE(cacheControl.find("public") != std::string::npos);
// If there's no range Content-Length must be "20"
if (ranges.IsEmpty())
{
EXPECT_STREQ("20", httpHeader.GetValue(MHD_HTTP_HEADER_CONTENT_LENGTH).c_str());
EXPECT_STREQ(TEST_FILES_DATA_RANGES, result.c_str());
return;
}
// check Content-Range
uint64_t firstPosition, lastPosition;
ASSERT_TRUE(ranges.GetFirstPosition(firstPosition));
ASSERT_TRUE(ranges.GetLastPosition(lastPosition));
EXPECT_STREQ(HttpRangeUtils::GenerateContentRangeHeaderValue(firstPosition, lastPosition, 20).c_str(), httpHeader.GetValue(MHD_HTTP_HEADER_CONTENT_RANGE).c_str());
std::string expectedContent = TEST_FILES_DATA_RANGES;
const std::string expectedContentType = "text/plain";
if (ranges.Size() == 1)
{
// Content-Type must be "text/html"
EXPECT_STREQ(expectedContentType.c_str(), httpHeader.GetMimeType().c_str());
// check the content
CHttpRange firstRange;
ASSERT_TRUE(ranges.GetFirst(firstRange));
expectedContent = expectedContent.substr(firstRange.GetFirstPosition(), firstRange.GetLength());
EXPECT_STREQ(expectedContent.c_str(), result.c_str());
// and Content-Length
EXPECT_STREQ(StringUtils::Format("%u", static_cast<unsigned int>(expectedContent.size())).c_str(), httpHeader.GetValue(MHD_HTTP_HEADER_CONTENT_LENGTH).c_str());
return;
}
// Content-Type contains the multipart boundary
const std::string expectedMimeType = "multipart/byteranges";
std::string mimeType = httpHeader.GetMimeType();
ASSERT_STREQ(expectedMimeType.c_str(), mimeType.c_str());
std::string contentType = httpHeader.GetValue(MHD_HTTP_HEADER_CONTENT_TYPE);
std::string contentTypeStart = expectedMimeType + "; boundary=";
// it must start with "multipart/byteranges; boundary=" followed by the boundary
ASSERT_EQ(0, contentType.find(contentTypeStart));
ASSERT_GT(contentType.size(), contentTypeStart.size());
// extract the boundary
std::string multipartBoundary = contentType.substr(contentTypeStart.size());
ASSERT_FALSE(multipartBoundary.empty());
multipartBoundary = "--" + multipartBoundary;
ASSERT_EQ(0, result.find(multipartBoundary));
std::vector<std::string> rangeParts = StringUtils::Split(result, multipartBoundary);
// the first part is not really a part and is therefore empty (the place before the first boundary)
ASSERT_TRUE(rangeParts.front().empty());
rangeParts.erase(rangeParts.begin());
// the last part is the end of the end multipart boundary
ASSERT_STREQ("--", rangeParts.back().c_str());
rangeParts.erase(rangeParts.begin() + rangeParts.size() - 1);
ASSERT_EQ(ranges.Size(), rangeParts.size());
for (size_t i = 0; i < rangeParts.size(); ++i)
{
std::string data = rangeParts.at(i);
StringUtils::Trim(data, " \r\n");
// find the separator between header and data
size_t pos = data.find("\r\n\r\n");
ASSERT_NE(std::string::npos, pos);
std::string header = data.substr(0, pos + 4);
data = data.substr(pos + 4);
// get the expected range
CHttpRange range;
ASSERT_TRUE(ranges.Get(i, range));
// parse the header of the range part
CHttpHeader rangeHeader;
rangeHeader.Parse(header);
// check Content-Type
EXPECT_STREQ(expectedContentType.c_str(), rangeHeader.GetMimeType().c_str());
// parse and check Content-Range
std::string contentRangeHeader = rangeHeader.GetValue(MHD_HTTP_HEADER_CONTENT_RANGE);
std::vector<std::string> contentRangeHeaderParts = StringUtils::Split(contentRangeHeader, "/");
ASSERT_EQ(2, contentRangeHeaderParts.size());
// check the length of the range
EXPECT_TRUE(StringUtils::IsNaturalNumber(contentRangeHeaderParts.back()));
uint64_t contentRangeLength = str2uint64(contentRangeHeaderParts.back());
EXPECT_EQ(range.GetLength(), contentRangeLength);
// remove the leading "bytes " string from the range definition
std::string contentRangeDefinition = contentRangeHeaderParts.front();
ASSERT_EQ(0, contentRangeDefinition.find("bytes "));
contentRangeDefinition = contentRangeDefinition.substr(6);
// check the start and end positions of the range
std::vector<std::string> contentRangeParts = StringUtils::Split(contentRangeDefinition, "-");
ASSERT_EQ(2, contentRangeParts.size());
EXPECT_TRUE(StringUtils::IsNaturalNumber(contentRangeParts.front()));
uint64_t contentRangeStart = str2uint64(contentRangeParts.front());
EXPECT_EQ(range.GetFirstPosition(), contentRangeStart);
EXPECT_TRUE(StringUtils::IsNaturalNumber(contentRangeParts.back()));
uint64_t contentRangeEnd = str2uint64(contentRangeParts.back());
EXPECT_EQ(range.GetLastPosition(), contentRangeEnd);
// make sure the length of the content matches the one of the expected range
EXPECT_EQ(range.GetLength(), data.size());
EXPECT_STREQ(expectedContent.substr(range.GetFirstPosition(), range.GetLength()).c_str(), data.c_str());
}
}
