HttpServer: Handling of multiple header fields with the same name and multiple values of "Connectio…

net/server/http_server_request_info.cc

Index: net/server/http_server_request_info.cc
diff --git a/net/server/http_server_request_info.cc b/net/server/http_server_request_info.cc
index 67965f29aa34302e03161e86e5ed5680db260ded..8b65bee50c1a50cf2a3a4a89c5b6d941a259564e 100644
--- a/net/server/http_server_request_info.cc
+++ b/net/server/http_server_request_info.cc
@@ -22,4 +22,21 @@ std::string HttpServerRequestInfo::GetHeaderValue(
   return std::string();
 }
 
+bool HttpServerRequestInfo::HasHeaderValue(
+    const std::string& header_name,
+    const std::string& header_value) const {
+  DCHECK_EQ(StringToLowerASCII(header_value), header_value);
+  std::string complete_value = GetHeaderValue(header_name);
+  StringToLowerASCII(&complete_value);
+  std::vector<std::string> value_items;
+  Tokenize(complete_value, ",", &value_items);
+  for (std::vector<std::string>::iterator it = value_items.begin();
+      it != value_items.end(); ++it) {
+    base::TrimString(*it, " \t", &*it);
+    if (*it == header_value)
+      return true;
+  }
+  return false;
+}
+
 }  // namespace net