diff options
-rw-r--r-- | modules/caddyhttp/matchers.go | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/modules/caddyhttp/matchers.go b/modules/caddyhttp/matchers.go index 7fc8aea..4d0eea5 100644 --- a/modules/caddyhttp/matchers.go +++ b/modules/caddyhttp/matchers.go @@ -271,8 +271,13 @@ func (m *MatchHeader) UnmarshalCaddyfile(d *caddyfile.Dispenser) error { // Match returns true if r matches m. func (m MatchHeader) Match(r *http.Request) bool { for field, allowedFieldVals := range m { + actualFieldVals, fieldExists := r.Header[textproto.CanonicalMIMEHeaderKey(field)] + if allowedFieldVals != nil && len(allowedFieldVals) == 0 && fieldExists { + // a non-nil but empty list of allowed values means + // match if the header field exists at all + continue + } var match bool - actualFieldVals := r.Header[textproto.CanonicalMIMEHeaderKey(field)] fieldVals: for _, actualFieldVal := range actualFieldVals { for _, allowedFieldVal := range allowedFieldVals { @@ -625,8 +630,13 @@ func (rm ResponseMatcher) matchStatusCode(statusCode int) bool { func (rm ResponseMatcher) matchHeaders(hdr http.Header) bool { for field, allowedFieldVals := range rm.Headers { + actualFieldVals, fieldExists := hdr[textproto.CanonicalMIMEHeaderKey(field)] + if allowedFieldVals != nil && len(allowedFieldVals) == 0 && fieldExists { + // a non-nil but empty list of allowed values means + // match if the header field exists at all + continue + } var match bool - actualFieldVals := hdr[textproto.CanonicalMIMEHeaderKey(field)] fieldVals: for _, actualFieldVal := range actualFieldVals { for _, allowedFieldVal := range allowedFieldVals { |