102 lines
2.3 KiB
Go
102 lines
2.3 KiB
Go
package web
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import (
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"context"
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"crypto/md5"
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"fmt"
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"net/http"
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"time"
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"github.com/drone/drone-ui/dist"
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"github.com/drone/drone/model"
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"github.com/drone/drone/server/template"
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"github.com/drone/drone/shared/token"
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"github.com/drone/drone/version"
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"github.com/dimfeld/httptreemux"
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)
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// Endpoint provides the website endpoints.
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type Endpoint interface {
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// Register registers the provider endpoints.
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Register(*httptreemux.ContextMux)
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}
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// New returns the default website endpoint.
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func New() Endpoint {
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return new(website)
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}
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type website struct{}
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func (w *website) Register(mux *httptreemux.ContextMux) {
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r := dist.New()
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h := http.FileServer(r)
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h = setupCache(h)
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mux.Handler("GET", "/favicon-32x32.png", h)
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mux.Handler("GET", "/favicon-16x16.png", h)
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mux.Handler("GET", "/src/*filepath", h)
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mux.Handler("GET", "/bower_components/*filepath", h)
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mux.NotFoundHandler = handleIndex
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}
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func handleIndex(rw http.ResponseWriter, r *http.Request) {
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rw.WriteHeader(200)
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var csrf string
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var user, _ = ToUser(r.Context())
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if user != nil {
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csrf, _ = token.New(
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token.CsrfToken,
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user.Login,
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).Sign(user.Hash)
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}
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params := map[string]interface{}{
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"user": user,
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"csrf": csrf,
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"version": version.Version.String(),
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}
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rw.Header().Set("Content-Type", "text/html; charset=UTF-8")
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template.T.ExecuteTemplate(rw, "index_polymer.html", params)
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}
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func setupCache(h http.Handler) http.Handler {
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data := []byte(time.Now().String())
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etag := fmt.Sprintf("%x", md5.Sum(data))
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return http.HandlerFunc(
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func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Cache-Control", "public, max-age=31536000")
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w.Header().Del("Expires")
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w.Header().Set("ETag", etag)
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h.ServeHTTP(w, r)
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},
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)
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}
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func resetCache(h http.Handler) http.Handler {
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return http.HandlerFunc(
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func(w http.ResponseWriter, r *http.Request) {
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w.Header().Del("Cache-Control")
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w.Header().Del("Last-Updated")
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w.Header().Del("Expires")
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w.Header().Del("ETag")
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h.ServeHTTP(w, r)
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},
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)
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}
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// WithUser returns a context with the current authenticated user.
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func WithUser(c context.Context, user *model.User) context.Context {
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return context.WithValue(c, userKey, user)
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}
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// ToUser returns a user from the context.
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func ToUser(c context.Context) (*model.User, bool) {
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user, ok := c.Value(userKey).(*model.User)
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return user, ok
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}
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type key int
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const userKey key = 0
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