diff options
Diffstat (limited to 'modules/caddyhttp/headers/headers.go')
| -rw-r--r-- | modules/caddyhttp/headers/headers.go | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/modules/caddyhttp/headers/headers.go b/modules/caddyhttp/headers/headers.go index 4cef0a9..f67df92 100644 --- a/modules/caddyhttp/headers/headers.go +++ b/modules/caddyhttp/headers/headers.go @@ -118,10 +118,16 @@ type HeaderOps struct { // Sets HTTP headers; replaces existing header fields. Set http.Header `json:"set,omitempty"` - // Names of HTTP header fields to delete. + // Names of HTTP header fields to delete. Basic wildcards are supported: + // + // - Start with `*` for all field names with the given suffix; + // - End with `*` for all field names with the given prefix; + // - Start and end with `*` for all field names containing a substring. Delete []string `json:"delete,omitempty"` - // Performs substring replacements of HTTP headers in-situ. + // Performs in-situ substring replacements of HTTP headers. + // Keys are the field names on which to perform the associated replacements. + // If the field name is `*`, the replacements are performed on all header fields. Replace map[string][]Replacement `json:"replace,omitempty"` } @@ -208,7 +214,29 @@ func (ops HeaderOps) ApplyTo(hdr http.Header, repl *caddy.Replacer) { // delete for _, fieldName := range ops.Delete { - hdr.Del(repl.ReplaceAll(fieldName, "")) + fieldName = strings.ToLower(repl.ReplaceAll(fieldName, "")) + switch { + case strings.HasPrefix(fieldName, "*") && strings.HasSuffix(fieldName, "*"): + for existingField := range hdr { + if strings.Contains(strings.ToLower(existingField), fieldName[1:len(fieldName)-1]) { + delete(hdr, existingField) + } + } + case strings.HasPrefix(fieldName, "*"): + for existingField := range hdr { + if strings.HasSuffix(strings.ToLower(existingField), fieldName[1:]) { + delete(hdr, existingField) + } + } + case strings.HasSuffix(fieldName, "*"): + for existingField := range hdr { + if strings.HasPrefix(strings.ToLower(existingField), fieldName[:len(fieldName)-1]) { + delete(hdr, existingField) + } + } + default: + hdr.Del(fieldName) + } } // replace |