Use Boost.Beast to parse HTTP request (#6294)

fuzz/CMakeLists.txt

@@ -38,8 +38,7 @@ if (ENABLE_FUZZING)
 	  "table_parameters"
 	  "tile_parameters"
 	  "trip_parameters"
-	  "url_parser"
-	  "request_parser")
+	  "url_parser")
 
   foreach (target ${ServerTargets})
 	  add_fuzz_target(${target})

fuzz/request_parser.cc

@@ -1,28 +0,0 @@
-#include "server/request_parser.hpp"
-#include "server/http/request.hpp"
-
-#include "util.hpp"
-
-#include <iterator>
-#include <string>
-
-using osrm::server::RequestParser;
-using osrm::server::http::request;
-
-extern "C" int LLVMFuzzerTestOneInput(const unsigned char *data, unsigned long size)
-{
-    std::string in(reinterpret_cast<const char *>(data), size);
-
-    auto first = begin(in);
-    auto last = end(in);
-
-    RequestParser parser;
-    request req;
-
-    // &(*it) is needed to go from iterator to underlying item to pointer to underlying item
-    parser.parse(req, &(*first), &(*last));
-
-    escape(&req);
-
-    return 0;
-}