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path: root/vendor/github.com/gorilla/mux/regexp.go
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Diffstat (limited to 'vendor/github.com/gorilla/mux/regexp.go')
-rw-r--r--vendor/github.com/gorilla/mux/regexp.go51
1 files changed, 32 insertions, 19 deletions
diff --git a/vendor/github.com/gorilla/mux/regexp.go b/vendor/github.com/gorilla/mux/regexp.go
index 2b57e5627..ac1abcd47 100644
--- a/vendor/github.com/gorilla/mux/regexp.go
+++ b/vendor/github.com/gorilla/mux/regexp.go
@@ -113,6 +113,13 @@ func newRouteRegexp(tpl string, typ regexpType, options routeRegexpOptions) (*ro
if typ != regexpTypePrefix {
pattern.WriteByte('$')
}
+
+ var wildcardHostPort bool
+ if typ == regexpTypeHost {
+ if !strings.Contains(pattern.String(), ":") {
+ wildcardHostPort = true
+ }
+ }
reverse.WriteString(raw)
if endSlash {
reverse.WriteByte('/')
@@ -131,13 +138,14 @@ func newRouteRegexp(tpl string, typ regexpType, options routeRegexpOptions) (*ro
// Done!
return &routeRegexp{
- template: template,
- regexpType: typ,
- options: options,
- regexp: reg,
- reverse: reverse.String(),
- varsN: varsN,
- varsR: varsR,
+ template: template,
+ regexpType: typ,
+ options: options,
+ regexp: reg,
+ reverse: reverse.String(),
+ varsN: varsN,
+ varsR: varsR,
+ wildcardHostPort: wildcardHostPort,
}, nil
}
@@ -158,11 +166,22 @@ type routeRegexp struct {
varsN []string
// Variable regexps (validators).
varsR []*regexp.Regexp
+ // Wildcard host-port (no strict port match in hostname)
+ wildcardHostPort bool
}
// Match matches the regexp against the URL host or path.
func (r *routeRegexp) Match(req *http.Request, match *RouteMatch) bool {
- if r.regexpType != regexpTypeHost {
+ if r.regexpType == regexpTypeHost {
+ host := getHost(req)
+ if r.wildcardHostPort {
+ // Don't be strict on the port match
+ if i := strings.Index(host, ":"); i != -1 {
+ host = host[:i]
+ }
+ }
+ return r.regexp.MatchString(host)
+ } else {
if r.regexpType == regexpTypeQuery {
return r.matchQueryString(req)
}
@@ -172,8 +191,6 @@ func (r *routeRegexp) Match(req *http.Request, match *RouteMatch) bool {
}
return r.regexp.MatchString(path)
}
-
- return r.regexp.MatchString(getHost(req))
}
// url builds a URL part using the given values.
@@ -267,7 +284,7 @@ type routeRegexpGroup struct {
}
// setMatch extracts the variables from the URL once a route matches.
-func (v *routeRegexpGroup) setMatch(req *http.Request, m *RouteMatch, r *Route) {
+func (v routeRegexpGroup) setMatch(req *http.Request, m *RouteMatch, r *Route) {
// Store host variables.
if v.host != nil {
host := getHost(req)
@@ -296,7 +313,7 @@ func (v *routeRegexpGroup) setMatch(req *http.Request, m *RouteMatch, r *Route)
} else {
u.Path += "/"
}
- m.Handler = http.RedirectHandler(u.String(), 301)
+ m.Handler = http.RedirectHandler(u.String(), http.StatusMovedPermanently)
}
}
}
@@ -312,17 +329,13 @@ func (v *routeRegexpGroup) setMatch(req *http.Request, m *RouteMatch, r *Route)
}
// getHost tries its best to return the request host.
+// According to section 14.23 of RFC 2616 the Host header
+// can include the port number if the default value of 80 is not used.
func getHost(r *http.Request) string {
if r.URL.IsAbs() {
return r.URL.Host
}
- host := r.Host
- // Slice off any port information.
- if i := strings.Index(host, ":"); i != -1 {
- host = host[:i]
- }
- return host
-
+ return r.Host
}
func extractVars(input string, matches []int, names []string, output map[string]string) {