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/
caches.go
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/
caches.go
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// Copyright 2020 the Exposure Notifications Verification Server authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package admin
import (
"context"
"net/http"
"github.com/google/exposure-notifications-verification-server/pkg/controller"
"github.com/gorilla/mux"
)
type cacheItem struct {
Name string
Description string
}
var caches = map[string]*cacheItem{
"apps:": {"Mobile apps", "Registered mobile apps for the redirector service"},
"authorized_apps:": {"API keys", "Authentication for API keys"},
"jwks:": {"JWKs", "JSON web key sets"},
"memberships:": {"Memberships", "All membership information"},
"public_keys:": {"Public keys", "PEM data from upstream key provider"},
"realms:": {"Realms", "All realm data"},
"stats:": {"Statistics", "API key, user, and realm statistics"},
"token_signing_keys:": {"Token signing keys", "All token signing keys, including currently active"},
"translations:": {"Translations", "Realm specific tranlations for the user report webview"},
"users:": {"Users", "All user data"},
}
// HandleCachesIndex shows the caches page.
func (c *Controller) HandleCachesIndex() http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
c.renderCachesIndex(ctx, w)
})
}
// HandleCachesClear clears the given caches.
func (c *Controller) HandleCachesClear() http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
vars := mux.Vars(r)
session := controller.SessionFromContext(ctx)
if session == nil {
controller.MissingSession(w, r, c.h)
return
}
flash := controller.Flash(session)
id := vars["id"]
item, ok := caches[id]
if !ok {
flash.Error("Unknown cache type: %q", id)
controller.Back(w, r, c.h)
return
}
if err := c.cacher.DeletePrefix(ctx, id); err != nil {
flash.Error("Failed to clear cache for %s: %v", item.Name, err)
controller.Back(w, r, c.h)
return
}
flash.Alert("Successfully cleared cache for %s!", item.Name)
controller.Back(w, r, c.h)
return
})
}
func (c *Controller) renderCachesIndex(ctx context.Context, w http.ResponseWriter) {
m := controller.TemplateMapFromContext(ctx)
m.Title("Caches - System Admin")
m["caches"] = caches
c.h.RenderHTML(w, "admin/caches/index", m)
}