c3ca8e2974
This commit removes various modules that can be migrated to the github.com/tkw1536/pkglib package without any code changes (beyond module renamings).
79 lines
2.2 KiB
Go
79 lines
2.2 KiB
Go
package component
|
|
|
|
import (
|
|
"context"
|
|
"net/http"
|
|
|
|
"github.com/tkw1536/pkglib/mux"
|
|
)
|
|
|
|
// Routeable is a component that is servable
|
|
type Routeable interface {
|
|
Component
|
|
|
|
// Routes returns information about the routes to be handled by this Routeable
|
|
Routes() Routes
|
|
|
|
// HandleRoute returns the handler for the requested path.
|
|
// Context is cancelled once the handler should be closed.
|
|
HandleRoute(ctx context.Context, path string) (http.Handler, error)
|
|
}
|
|
|
|
// Routes represents information about a single Routeable
|
|
type Routes struct {
|
|
// Prefix is the prefix this pattern handles
|
|
Prefix string
|
|
|
|
// MatchAllDomains indicates that all domains, even the non-default domain, should be matched
|
|
MatchAllDomains bool
|
|
|
|
// Internal indicates that this route should only answer on the internal server.
|
|
// Internal implies MatchAllDomains.
|
|
Internal bool
|
|
|
|
// MenuTitle and MenuPriority return the priority and title of this menu item
|
|
MenuTitle string
|
|
MenuPriority MenuPriority
|
|
|
|
// Exact indicates that only the exact prefix, as opposed to any sub-paths, are matched.
|
|
// Trailing '/'s are automatically trimmed, even with an exact match.
|
|
Exact bool
|
|
|
|
// Aliases are the additional prefixes this route handles.
|
|
Aliases []string
|
|
|
|
// CSRF indicates if this route should be protected by CSRF.
|
|
// CSRF protection is applied prior to any custom decorator being called.
|
|
CSRF bool
|
|
|
|
// Decorators is a function applied to the handler returned by HandleRoute.
|
|
// When nil, it is not applied.
|
|
Decorator func(http.Handler) http.Handler
|
|
}
|
|
|
|
type RouteContext struct {
|
|
DefaultDomain bool
|
|
}
|
|
|
|
// Predicate returns the predicate corresponding to the given route
|
|
func (routes Routes) Predicate(context func(*http.Request) RouteContext) mux.Predicate {
|
|
if routes.MatchAllDomains || routes.Internal {
|
|
return nil
|
|
}
|
|
|
|
// match only the default domain
|
|
return func(r *http.Request) bool {
|
|
return context(r).DefaultDomain
|
|
}
|
|
}
|
|
|
|
// Decorate decorates the provided handler with the options specified in this handler.
|
|
func (routes Routes) Decorate(handler http.Handler, csrf func(http.Handler) http.Handler) http.Handler {
|
|
if routes.CSRF && csrf != nil {
|
|
handler = csrf(handler)
|
|
}
|
|
if routes.Decorator != nil {
|
|
handler = routes.Decorator(handler)
|
|
}
|
|
return handler
|
|
}
|