diff options
author | Matthew Holt <mholt@users.noreply.github.com> | 2020-06-16 10:41:37 -0600 |
---|---|---|
committer | Matthew Holt <mholt@users.noreply.github.com> | 2020-06-16 10:41:37 -0600 |
commit | 6db3615547b8911ac81dc2b23c1ed8bedbef0fdb (patch) | |
tree | f361571f3699ac59b882f30a08756fe9ba828364 /modules | |
parent | 32cafbb6309c8d78cc7e2f2a75def9c633944ef8 (diff) |
caddyhttp: Enable matching empty query string
Caddyfile syntax: query ""
Or a nil matcher in the JSON should also match an empty query string.
See https://caddy.community/t/v2-match-empty-query/8708?u=matt
Diffstat (limited to 'modules')
-rw-r--r-- | modules/caddyhttp/matchers.go | 13 | ||||
-rw-r--r-- | modules/caddyhttp/matchers_test.go | 18 |
2 files changed, 27 insertions, 4 deletions
diff --git a/modules/caddyhttp/matchers.go b/modules/caddyhttp/matchers.go index 5dddb71..6662dac 100644 --- a/modules/caddyhttp/matchers.go +++ b/modules/caddyhttp/matchers.go @@ -349,19 +349,21 @@ func (MatchQuery) CaddyModule() caddy.ModuleInfo { // UnmarshalCaddyfile implements caddyfile.Unmarshaler. func (m *MatchQuery) UnmarshalCaddyfile(d *caddyfile.Dispenser) error { - if *m == nil { - *m = make(map[string][]string) - } - for d.Next() { var query string if !d.Args(&query) { return d.ArgErr() } + if query == "" { + continue + } parts := strings.SplitN(query, "=", 2) if len(parts) != 2 { return d.Errf("malformed query matcher token: %s; must be in param=val format", d.Val()) } + if *m == nil { + *m = make(map[string][]string) + } url.Values(*m).Set(parts[0], parts[1]) if d.NextBlock(0) { return d.Err("malformed query matcher: blocks are not supported") @@ -372,6 +374,9 @@ func (m *MatchQuery) UnmarshalCaddyfile(d *caddyfile.Dispenser) error { // Match returns true if r matches m. func (m MatchQuery) Match(r *http.Request) bool { + if m == nil { + return len(r.URL.Query()) == 0 + } for param, vals := range m { paramVal, found := r.URL.Query()[param] if found { diff --git a/modules/caddyhttp/matchers_test.go b/modules/caddyhttp/matchers_test.go index 9b3a9a8..219ada8 100644 --- a/modules/caddyhttp/matchers_test.go +++ b/modules/caddyhttp/matchers_test.go @@ -528,6 +528,24 @@ func TestQueryMatcher(t *testing.T) { input: "/?someparam", expect: false, }, + { + scenario: "nil matcher value should match empty query", + match: MatchQuery(nil), + input: "/?", + expect: true, + }, + { + scenario: "nil matcher value should NOT match a non-empty query", + match: MatchQuery(nil), + input: "/?foo=bar", + expect: false, + }, + { + scenario: "non-nil matcher should NOT match an empty query", + match: MatchQuery{"": []string{}}, + input: "/?", + expect: false, + }, } { u, _ := url.Parse(tc.input) |