harbor/service/notification.go

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/*
Copyright (c) 2016 VMware, Inc. All Rights Reserved.
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.
*/
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package service
import (
"encoding/json"
"regexp"
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"strings"
"github.com/vmware/harbor/dao"
"github.com/vmware/harbor/models"
svc_utils "github.com/vmware/harbor/service/utils"
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"github.com/vmware/harbor/utils/log"
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"github.com/astaxie/beego"
)
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// NotificationHandler handles request on /service/notifications/, which listens to registry's events.
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type NotificationHandler struct {
beego.Controller
}
const manifestPattern = `^application/vnd.docker.distribution.manifest.v\d\+json`
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// Post handles POST request, and records audit log or refreshes cache based on event.
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func (n *NotificationHandler) Post() {
var notification models.Notification
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// log.Info("Notification Handler triggered!\n")
// log.Infof("request body in string: %s", string(n.Ctx.Input.CopyBody()))
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err := json.Unmarshal(n.Ctx.Input.CopyBody(1<<32), &notification)
if err != nil {
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log.Errorf("error while decoding json: %v", err)
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return
}
var username, action, repo, project string
var matched bool
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for _, e := range notification.Events {
matched, err = regexp.MatchString(manifestPattern, e.Target.MediaType)
if err != nil {
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log.Errorf("Failed to match the media type against pattern, error: %v", err)
matched = false
}
if matched && strings.HasPrefix(e.Request.UserAgent, "docker") {
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username = e.Actor.Name
action = e.Action
repo = e.Target.Repository
if strings.Contains(repo, "/") {
project = repo[0:strings.LastIndex(repo, "/")]
}
if username == "" {
username = "anonymous"
}
go dao.AccessLog(username, project, repo, action)
if action == "push" {
go func() {
err2 := svc_utils.RefreshCatalogCache()
if err2 != nil {
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log.Errorf("Error happens when refreshing cache: %v", err2)
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}
}()
}
}
}
}
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// Render returns nil as it won't render any template.
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func (n *NotificationHandler) Render() error {
return nil
}