diff options
Diffstat (limited to 'modules/caddyhttp/headers/caddyfile.go')
| -rw-r--r-- | modules/caddyhttp/headers/caddyfile.go | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/modules/caddyhttp/headers/caddyfile.go b/modules/caddyhttp/headers/caddyfile.go index a6bec95..2b06910 100644 --- a/modules/caddyhttp/headers/caddyfile.go +++ b/modules/caddyhttp/headers/caddyfile.go @@ -32,19 +32,20 @@ func init() { // parseCaddyfile sets up the handler for response headers from // Caddyfile tokens. Syntax: // -// header [<matcher>] [[+|-|?]<field> [<value|regexp>] [<replacement>]] { -// [+]<field> [<value|regexp> [<replacement>]] -// ?<field> <default_value> -// -<field> -// [defer] +// header [<matcher>] [[+|-|?|>]<field> [<value|regexp>] [<replacement>]] { +// [+]<field> [<value|regexp> [<replacement>]] +// ?<field> <default_value> +// -<field> +// ><field> +// [defer] // } // // Either a block can be opened or a single header field can be configured // in the first line, but not both in the same directive. Header operations // are deferred to write-time if any headers are being deleted or if the // 'defer' subdirective is used. + appends a header value, - deletes a field, -// and ? conditionally sets a value only if the header field is not already -// set. +// ? conditionally sets a value only if the header field is not already set, +// and > sets a field with defer enabled. func parseCaddyfile(h httpcaddyfile.Helper) ([]httpcaddyfile.ConfigValue, error) { if !h.Next() { return nil, h.ArgErr() @@ -246,10 +247,14 @@ func applyHeaderOp(ops *HeaderOps, respHeaderOps *RespHeaderOps, field, value, r respHeaderOps.Set.Set(field, value) case replacement != "": // replace + // allow defer shortcut for replace syntax + if strings.HasPrefix(field, ">") && respHeaderOps != nil { + respHeaderOps.Deferred = true + } if ops.Replace == nil { ops.Replace = make(map[string][]Replacement) } - field = strings.TrimLeft(field, "+-?") + field = strings.TrimLeft(field, "+-?>") ops.Replace[field] = append( ops.Replace[field], Replacement{ @@ -258,6 +263,15 @@ func applyHeaderOp(ops *HeaderOps, respHeaderOps *RespHeaderOps, field, value, r }, ) + case strings.HasPrefix(field, ">"): // set (overwrite) with defer + if ops.Set == nil { + ops.Set = make(http.Header) + } + ops.Set.Set(field[1:], value) + if respHeaderOps != nil { + respHeaderOps.Deferred = true + } + default: // set (overwrite) if ops.Set == nil { ops.Set = make(http.Header) |