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simplify caching

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This commit is contained in:
Doug Hoyte
2023-09-28 01:49:55 -04:00
parent 2cd0f058d8
commit a3c34d2181
7 changed files with 31 additions and 135 deletions
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11
src/apps/web/HTTP.h
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@ -34,18 +34,21 @@ struct HTTPResponse : NonCopyable {
std::string_view contentType = "text/html; charset=utf-8";
std::string extraHeaders;
std::string body;
bool noCompress = false;
std::string eTag() {
std::string getETag() {
unsigned char hash[SHA256_DIGEST_LENGTH];
SHA256(reinterpret_cast<unsigned char*>(body.data()), body.size(), hash);
return to_hex(std::string_view(reinterpret_cast<char*>(hash), SHA256_DIGEST_LENGTH/2));
}
std::string encode(bool doCompress) {
std::string eTag = getETag();
std::string compressed;
bool didCompress = false;
if (doCompress) {
if (!noCompress && doCompress) {
compressed.resize(body.size());
z_stream zs;
@ -78,7 +81,9 @@ struct HTTPResponse : NonCopyable {
output += std::to_string(bodySize);
output += "\r\nContent-Type: ";
output += contentType;
output += "\r\n";
output += "\r\nETag: \"";
output += eTag;
output += "\"\r\n";
if (didCompress) output += "Content-Encoding: gzip\r\nVary: Accept-Encoding\r\n";
output += extraHeaders;
output += "Connection: Keep-Alive\r\n\r\n";