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Support x-forwarded-proto and x-forwarded-for in SpdyDownstreamConnection

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This commit is contained in:
Tatsuhiro Tsujikawa 2012-11-18 23:04:14 +09:00
parent d29d033830
commit 19bf97b3e5
1 changed files with 29 additions and 4 deletions
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33
src/shrpx_spdy_downstream_connection.cc
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@ -202,11 +202,13 @@ int SpdyDownstreamConnection::push_request_headers()
return 0;
}
size_t nheader = downstream_->get_request_headers().size();
// 10 means :method, :scheme, :path, :version and possible via
// header field. We rename host header field as :host.
const char **nv = new const char*[nheader * 2 + 10 + 1];
// 14 means :method, :scheme, :path, :version and possible via,
// x-forwarded-for and x-forwarded-proto header fields. We rename
// host header field as :host.
const char **nv = new const char*[nheader * 2 + 14 + 1];
size_t hdidx = 0;
std::string via_value;
std::string xff_value;
nv[hdidx++] = ":method";
nv[hdidx++] = downstream_->get_request_method().c_str();
nv[hdidx++] = ":scheme";
@ -224,12 +226,15 @@ int SpdyDownstreamConnection::push_request_headers()
chunked_encoding = true;
}
// Ignore transfer-encoding
} else if(util::strieq((*i).first.c_str(), "keep-alive") || // HTTP/1.0?
} else if(util::strieq((*i).first.c_str(), "x-forwarded-proto") ||
util::strieq((*i).first.c_str(), "keep-alive") ||
util::strieq((*i).first.c_str(), "connection") ||
util:: strieq((*i).first.c_str(), "proxy-connection")) {
// These are ignored
} else if(util::strieq((*i).first.c_str(), "via")) {
via_value = (*i).second;
} else if(util::strieq((*i).first.c_str(), "x-forwarded-for")) {
xff_value = (*i).second;
} else if(util::strieq((*i).first.c_str(), "host")) {
nv[hdidx++] = ":host";
nv[hdidx++] = (*i).second.c_str();
@ -241,6 +246,26 @@ int SpdyDownstreamConnection::push_request_headers()
nv[hdidx++] = (*i).second.c_str();
}
}
if(get_config()->add_x_forwarded_for) {
nv[hdidx++] = "x-forwarded-for";
if(!xff_value.empty()) {
xff_value += ", ";
}
xff_value += downstream_->get_upstream()->get_client_handler()->
get_ipaddr();
nv[hdidx++] = xff_value.c_str();
} else if(!xff_value.empty()) {
nv[hdidx++] = "x-forwarded-for";
nv[hdidx++] = xff_value.c_str();
}
if(downstream_->get_request_method() != "CONNECT") {
// Currently, HTTP connection is used as upstream, so we just
// specify it here.
nv[hdidx++] = "x-forwarded-proto";
nv[hdidx++] = "http";
}
if(!via_value.empty()) {
via_value += ", ";
}