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http: Shorten regexp matcher placeholders; allow "=/" for simple matcher

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This commit is contained in:
Matthew Holt 2019-11-29 11:23:49 -07:00
parent 14d3fd7d03
commit 7c7ef8d40e
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GPG key ID: 2A349DD577D586A5
3 changed files with 10 additions and 10 deletions
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2
caddyconfig/httpcaddyfile/httptype.go
View file

@ -477,7 +477,7 @@ func matcherSetFromMatcherToken(
if tkn.Text == "*" {
// match all requests == no matchers, so nothing to do
return nil, true, nil
} else if strings.HasPrefix(tkn.Text, "/") {
} else if strings.HasPrefix(tkn.Text, "/") || strings.HasPrefix(tkn.Text, "=/") {
// convenient way to specify a single path match
return map[string]json.RawMessage{
"path": caddyconfig.JSON(caddyhttp.MatchPath{tkn.Text}, warnings),

10
modules/caddyhttp/matchers.go
View file

@ -216,7 +216,7 @@ func (MatchPathRE) CaddyModule() caddy.ModuleInfo {
// Match returns true if r matches m.
func (m MatchPathRE) Match(r *http.Request) bool {
repl := r.Context().Value(caddy.ReplacerCtxKey).(caddy.Replacer)
return m.MatchRegexp.Match(r.URL.Path, repl, "path_regexp")
return m.MatchRegexp.Match(r.URL.Path, repl)
}
// CaddyModule returns the Caddy module information.
@ -363,7 +363,7 @@ func (m *MatchHeaderRE) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
func (m MatchHeaderRE) Match(r *http.Request) bool {
for field, rm := range m {
repl := r.Context().Value(caddy.ReplacerCtxKey).(caddy.Replacer)
match := rm.Match(r.Header.Get(field), repl, "header_regexp")
match := rm.Match(r.Header.Get(field), repl)
if !match {
return false
}
@ -638,7 +638,7 @@ func (mre *MatchRegexp) Validate() error {
// (namespace). Capture groups stored to repl will take on
// the name "http.matchers.<scope>.<mre.Name>.<N>" where
// <N> is the name or number of the capture group.
func (mre *MatchRegexp) Match(input string, repl caddy.Replacer, scope string) bool {
func (mre *MatchRegexp) Match(input string, repl caddy.Replacer) bool {
matches := mre.compiled.FindStringSubmatch(input)
if matches == nil {
return false
@ -646,14 +646,14 @@ func (mre *MatchRegexp) Match(input string, repl caddy.Replacer, scope string) b
// save all capture groups, first by index
for i, match := range matches {
key := fmt.Sprintf("http.matchers.%s.%s.%d", scope, mre.Name, i)
key := fmt.Sprintf("http.regexp.%s.%d", mre.Name, i)
repl.Set(key, match)
}
// then by name
for i, name := range mre.compiled.SubexpNames() {
if i != 0 && name != "" {
key := fmt.Sprintf("http.matchers.%s.%s.%s", scope, mre.Name, name)
key := fmt.Sprintf("http.regexp.%s.%s", mre.Name, name)
repl.Set(key, matches[i])
}
}

8
modules/caddyhttp/matchers_test.go
View file

@ -324,10 +324,10 @@ func TestPathREMatcher(t *testing.T) {
}
for key, expectVal := range tc.expectRepl {
placeholder := fmt.Sprintf("{http.matchers.path_regexp.%s}", key)
placeholder := fmt.Sprintf("{http.regexp.%s}", key)
actualVal := repl.ReplaceAll(placeholder, "<empty>")
if actualVal != expectVal {
t.Errorf("Test %d [%v]: Expected placeholder {http.matchers.path_regexp.%s} to be '%s' but got '%s'",
t.Errorf("Test %d [%v]: Expected placeholder {http.regexp.%s} to be '%s' but got '%s'",
i, tc.match.Pattern, key, expectVal, actualVal)
continue
}
@ -442,10 +442,10 @@ func TestHeaderREMatcher(t *testing.T) {
}
for key, expectVal := range tc.expectRepl {
placeholder := fmt.Sprintf("{http.matchers.header_regexp.%s}", key)
placeholder := fmt.Sprintf("{http.regexp.%s}", key)
actualVal := repl.ReplaceAll(placeholder, "<empty>")
if actualVal != expectVal {
t.Errorf("Test %d [%v]: Expected placeholder {http.matchers.header_regexp.%s} to be '%s' but got '%s'",
t.Errorf("Test %d [%v]: Expected placeholder {http.regexp.%s} to be '%s' but got '%s'",
i, tc.match, key, expectVal, actualVal)
continue
}