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#pragma once
#include <crow/http_request.h>
#include <crow/http_response.h>
namespace crow
{
static const char* strictTransportSecurityKey = "Strict-Transport-Security";
static const char* strictTransportSecurityValue =
"max-age=31536000; includeSubdomains; preload";
static const char* uaCompatabilityKey = "X-UA-Compatible";
static const char* uaCompatabilityValue = "IE=11";
static const char* xframeKey = "X-Frame-Options";
static const char* xframeValue = "DENY";
static const char* xssKey = "X-XSS-Protection";
static const char* xssValue = "1; mode=block";
static const char* contentSecurityKey = "X-Content-Security-Policy";
static const char* contentSecurityValue = "default-src 'self'";
static const char* pragmaKey = "Pragma";
static const char* pragmaValue = "no-cache";
static const char* cacheControlKey = "Cache-Control";
static const char* cacheControlValue = "no-Store,no-Cache";
struct SecurityHeadersMiddleware
{
struct Context
{
};
void beforeHandle(crow::Request& req, Response& res, Context& ctx)
{
#ifdef BMCWEB_INSECURE_DISABLE_XSS_PREVENTION
if ("OPTIONS"_method == req.method())
{
res.end();
}
#endif
}
void afterHandle(Request& req, Response& res, Context& ctx)
{
/*
TODO(ed) these should really check content types. for example,
X-UA-Compatible header doesn't make sense when retrieving a JSON or
javascript file. It doesn't hurt anything, it's just ugly.
*/
res.addHeader(strictTransportSecurityKey, strictTransportSecurityValue);
res.addHeader(uaCompatabilityKey, uaCompatabilityValue);
res.addHeader(xframeKey, xframeValue);
res.addHeader(xssKey, xssValue);
res.addHeader(contentSecurityKey, contentSecurityValue);
res.addHeader(pragmaKey, pragmaValue);
res.addHeader(cacheControlKey, cacheControlValue);
#ifdef BMCWEB_INSECURE_DISABLE_XSS_PREVENTION
res.addHeader("Access-Control-Allow-Origin", "http://localhost:8080");
res.addHeader("Access-Control-Allow-Methods", "GET, POST, PUT, PATCH");
res.addHeader("Access-Control-Allow-Credentials", "true");
res.addHeader("Access-Control-Allow-Headers",
"Origin, Content-Type, Accept, Cookie, X-XSRF-TOKEN");
#endif
}
};
} // namespace crow
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