From bd40dcfc2bc7c9014ea1f33482fb63aacbcdfe87 Mon Sep 17 00:00:00 2001 From: Valentin Rothberg Date: Tue, 8 Jan 2019 14:52:57 +0100 Subject: vendor: update everything * If possible, update each dependency to the latest available version. * Use releases over commit IDs and avoid vendoring branches. Signed-off-by: Valentin Rothberg --- vendor/github.com/gorilla/mux/route.go | 163 +++++++++++++++++++++++++++++---- 1 file changed, 145 insertions(+), 18 deletions(-) (limited to 'vendor/github.com/gorilla/mux/route.go') diff --git a/vendor/github.com/gorilla/mux/route.go b/vendor/github.com/gorilla/mux/route.go index 922191592..a591d7354 100644 --- a/vendor/github.com/gorilla/mux/route.go +++ b/vendor/github.com/gorilla/mux/route.go @@ -31,6 +31,8 @@ type Route struct { skipClean bool // If true, "/path/foo%2Fbar/to" will match the path "/path/{var}/to" useEncodedPath bool + // The scheme used when building URLs. + buildScheme string // If true, this route never matches: it is only used to build URLs. buildOnly bool // The name used to build URLs. @@ -41,6 +43,8 @@ type Route struct { buildVarsFunc BuildVarsFunc } +// SkipClean reports whether path cleaning is enabled for this route via +// Router.SkipClean. func (r *Route) SkipClean() bool { return r.skipClean } @@ -50,12 +54,33 @@ func (r *Route) Match(req *http.Request, match *RouteMatch) bool { if r.buildOnly || r.err != nil { return false } + + var matchErr error + // Match everything. for _, m := range r.matchers { if matched := m.Match(req, match); !matched { + if _, ok := m.(methodMatcher); ok { + matchErr = ErrMethodMismatch + continue + } + matchErr = nil return false } } + + if matchErr != nil { + match.MatchErr = matchErr + return false + } + + if match.MatchErr == ErrMethodMismatch { + // We found a route which matches request method, clear MatchErr + match.MatchErr = nil + // Then override the mis-matched handler + match.Handler = r.handler + } + // Yay, we have a match. Let's collect some info about it. if match.Route == nil { match.Route = r @@ -66,6 +91,7 @@ func (r *Route) Match(req *http.Request, match *RouteMatch) bool { if match.Vars == nil { match.Vars = make(map[string]string) } + // Set variables. if r.regexp != nil { r.regexp.setMatch(req, match, r) @@ -147,20 +173,23 @@ func (r *Route) addMatcher(m matcher) *Route { } // addRegexpMatcher adds a host or path matcher and builder to a route. -func (r *Route) addRegexpMatcher(tpl string, matchHost, matchPrefix, matchQuery bool) error { +func (r *Route) addRegexpMatcher(tpl string, typ regexpType) error { if r.err != nil { return r.err } r.regexp = r.getRegexpGroup() - if !matchHost && !matchQuery { - if tpl == "/" && (len(tpl) == 0 || tpl[0] != '/') { + if typ == regexpTypePath || typ == regexpTypePrefix { + if len(tpl) > 0 && tpl[0] != '/' { return fmt.Errorf("mux: path must start with a slash, got %q", tpl) } if r.regexp.path != nil { tpl = strings.TrimRight(r.regexp.path.template, "/") + tpl } } - rr, err := newRouteRegexp(tpl, matchHost, matchPrefix, matchQuery, r.strictSlash, r.useEncodedPath) + rr, err := newRouteRegexp(tpl, typ, routeRegexpOptions{ + strictSlash: r.strictSlash, + useEncodedPath: r.useEncodedPath, + }) if err != nil { return err } @@ -169,7 +198,7 @@ func (r *Route) addRegexpMatcher(tpl string, matchHost, matchPrefix, matchQuery return err } } - if matchHost { + if typ == regexpTypeHost { if r.regexp.path != nil { if err = uniqueVars(rr.varsN, r.regexp.path.varsN); err != nil { return err @@ -182,7 +211,7 @@ func (r *Route) addRegexpMatcher(tpl string, matchHost, matchPrefix, matchQuery return err } } - if matchQuery { + if typ == regexpTypeQuery { r.regexp.queries = append(r.regexp.queries, rr) } else { r.regexp.path = rr @@ -234,7 +263,8 @@ func (m headerRegexMatcher) Match(r *http.Request, match *RouteMatch) bool { // "X-Requested-With", "XMLHttpRequest") // // The above route will only match if both the request header matches both regular expressions. -// It the value is an empty string, it will match any value if the key is set. +// If the value is an empty string, it will match any value if the key is set. +// Use the start and end of string anchors (^ and $) to match an exact value. func (r *Route) HeadersRegexp(pairs ...string) *Route { if r.err == nil { var headers map[string]*regexp.Regexp @@ -264,7 +294,7 @@ func (r *Route) HeadersRegexp(pairs ...string) *Route { // Variable names must be unique in a given route. They can be retrieved // calling mux.Vars(request). func (r *Route) Host(tpl string) *Route { - r.err = r.addRegexpMatcher(tpl, true, false, false) + r.err = r.addRegexpMatcher(tpl, regexpTypeHost) return r } @@ -324,7 +354,7 @@ func (r *Route) Methods(methods ...string) *Route { // Variable names must be unique in a given route. They can be retrieved // calling mux.Vars(request). func (r *Route) Path(tpl string) *Route { - r.err = r.addRegexpMatcher(tpl, false, false, false) + r.err = r.addRegexpMatcher(tpl, regexpTypePath) return r } @@ -340,7 +370,7 @@ func (r *Route) Path(tpl string) *Route { // Also note that the setting of Router.StrictSlash() has no effect on routes // with a PathPrefix matcher. func (r *Route) PathPrefix(tpl string) *Route { - r.err = r.addRegexpMatcher(tpl, false, true, false) + r.err = r.addRegexpMatcher(tpl, regexpTypePrefix) return r } @@ -371,7 +401,7 @@ func (r *Route) Queries(pairs ...string) *Route { return nil } for i := 0; i < length; i += 2 { - if r.err = r.addRegexpMatcher(pairs[i]+"="+pairs[i+1], false, false, true); r.err != nil { + if r.err = r.addRegexpMatcher(pairs[i]+"="+pairs[i+1], regexpTypeQuery); r.err != nil { return r } } @@ -394,6 +424,9 @@ func (r *Route) Schemes(schemes ...string) *Route { for k, v := range schemes { schemes[k] = strings.ToLower(v) } + if r.buildScheme == "" && len(schemes) > 0 { + r.buildScheme = schemes[0] + } return r.addMatcher(schemeMatcher(schemes)) } @@ -477,22 +510,33 @@ func (r *Route) URL(pairs ...string) (*url.URL, error) { return nil, err } var scheme, host, path string + queries := make([]string, 0, len(r.regexp.queries)) if r.regexp.host != nil { - // Set a default scheme. - scheme = "http" if host, err = r.regexp.host.url(values); err != nil { return nil, err } + scheme = "http" + if s := r.getBuildScheme(); s != "" { + scheme = s + } } if r.regexp.path != nil { if path, err = r.regexp.path.url(values); err != nil { return nil, err } } + for _, q := range r.regexp.queries { + var query string + if query, err = q.url(values); err != nil { + return nil, err + } + queries = append(queries, query) + } return &url.URL{ - Scheme: scheme, - Host: host, - Path: path, + Scheme: scheme, + Host: host, + Path: path, + RawQuery: strings.Join(queries, "&"), }, nil } @@ -514,10 +558,14 @@ func (r *Route) URLHost(pairs ...string) (*url.URL, error) { if err != nil { return nil, err } - return &url.URL{ + u := &url.URL{ Scheme: "http", Host: host, - }, nil + } + if s := r.getBuildScheme(); s != "" { + u.Scheme = s + } + return u, nil } // URLPath builds the path part of the URL for a route. See Route.URL(). @@ -558,6 +606,74 @@ func (r *Route) GetPathTemplate() (string, error) { return r.regexp.path.template, nil } +// GetPathRegexp returns the expanded regular expression used to match route path. +// This is useful for building simple REST API documentation and for instrumentation +// against third-party services. +// An error will be returned if the route does not define a path. +func (r *Route) GetPathRegexp() (string, error) { + if r.err != nil { + return "", r.err + } + if r.regexp == nil || r.regexp.path == nil { + return "", errors.New("mux: route does not have a path") + } + return r.regexp.path.regexp.String(), nil +} + +// GetQueriesRegexp returns the expanded regular expressions used to match the +// route queries. +// This is useful for building simple REST API documentation and for instrumentation +// against third-party services. +// An error will be returned if the route does not have queries. +func (r *Route) GetQueriesRegexp() ([]string, error) { + if r.err != nil { + return nil, r.err + } + if r.regexp == nil || r.regexp.queries == nil { + return nil, errors.New("mux: route doesn't have queries") + } + var queries []string + for _, query := range r.regexp.queries { + queries = append(queries, query.regexp.String()) + } + return queries, nil +} + +// GetQueriesTemplates returns the templates used to build the +// query matching. +// This is useful for building simple REST API documentation and for instrumentation +// against third-party services. +// An error will be returned if the route does not define queries. +func (r *Route) GetQueriesTemplates() ([]string, error) { + if r.err != nil { + return nil, r.err + } + if r.regexp == nil || r.regexp.queries == nil { + return nil, errors.New("mux: route doesn't have queries") + } + var queries []string + for _, query := range r.regexp.queries { + queries = append(queries, query.template) + } + return queries, nil +} + +// GetMethods returns the methods the route matches against +// This is useful for building simple REST API documentation and for instrumentation +// against third-party services. +// An error will be returned if route does not have methods. +func (r *Route) GetMethods() ([]string, error) { + if r.err != nil { + return nil, r.err + } + for _, m := range r.matchers { + if methods, ok := m.(methodMatcher); ok { + return []string(methods), nil + } + } + return nil, errors.New("mux: route doesn't have methods") +} + // GetHostTemplate returns the template used to build the // route match. // This is useful for building simple REST API documentation and for instrumentation @@ -599,11 +715,22 @@ func (r *Route) buildVars(m map[string]string) map[string]string { // parentRoute allows routes to know about parent host and path definitions. type parentRoute interface { + getBuildScheme() string getNamedRoutes() map[string]*Route getRegexpGroup() *routeRegexpGroup buildVars(map[string]string) map[string]string } +func (r *Route) getBuildScheme() string { + if r.buildScheme != "" { + return r.buildScheme + } + if r.parent != nil { + return r.parent.getBuildScheme() + } + return "" +} + // getNamedRoutes returns the map where named routes are registered. func (r *Route) getNamedRoutes() map[string]*Route { if r.parent == nil { -- cgit v1.2.3-54-g00ecf