mirror of https://github.com/goharbor/harbor.git
126 lines
3.0 KiB
Go
126 lines
3.0 KiB
Go
// Copyright Project Harbor Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package hook
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"io/ioutil"
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"net"
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"net/http"
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"strings"
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"time"
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commonhttp "github.com/goharbor/harbor/src/common/http"
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"github.com/goharbor/harbor/src/lib/log"
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)
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// Client for handling the hook events
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type Client interface {
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// SendEvent send the event to the subscribed parties
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SendEvent(evt *Event) error
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}
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// Client is used to post the related data to the interested parties.
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type basicClient struct {
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client *http.Client
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ctx context.Context
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}
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// NewClient return the ptr of the new hook client
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func NewClient(ctx context.Context) Client {
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// Create transport
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transport := &http.Transport{
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MaxIdleConns: 20,
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IdleConnTimeout: 30 * time.Second,
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DialContext: (&net.Dialer{
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Timeout: 30 * time.Second,
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KeepAlive: 30 * time.Second,
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}).DialContext,
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TLSHandshakeTimeout: 10 * time.Second,
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ResponseHeaderTimeout: 10 * time.Second,
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ExpectContinueTimeout: 1 * time.Second,
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Proxy: http.ProxyFromEnvironment,
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}
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if commonhttp.InternalEnableVerifyClientCert() {
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tlsConfig, err := commonhttp.GetInternalTLSConfig()
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if err != nil {
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log.Errorf("client load cert file with err: %v", err)
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}
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transport.TLSClientConfig = tlsConfig
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}
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client := &http.Client{
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Timeout: 15 * time.Second,
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Transport: transport,
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}
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return &basicClient{
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client: client,
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ctx: ctx,
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}
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}
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// ReportStatus reports the status change info to the subscribed party.
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// The status includes 'checkin' info with format 'check_in:<message>'
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func (bc *basicClient) SendEvent(evt *Event) error {
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if evt == nil {
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return errors.New("nil event")
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}
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if err := evt.Validate(); err != nil {
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return err
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}
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// Marshal data
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data, err := json.Marshal(evt.Data)
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if err != nil {
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return err
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}
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// New post request
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req, err := http.NewRequest(http.MethodPost, evt.URL, strings.NewReader(string(data)))
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if err != nil {
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return err
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}
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res, err := bc.client.Do(req)
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if err != nil {
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return err
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}
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defer func() {
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_ = res.Body.Close()
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}() // close connection for reuse
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// Should be 200
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if res.StatusCode != http.StatusOK {
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if res.ContentLength > 0 {
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// read error content and return
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dt, err := ioutil.ReadAll(res.Body)
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if err != nil {
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return err
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}
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return errors.New(string(dt))
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}
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return fmt.Errorf("failed to report status change via hook, expect '200' but got '%d'", res.StatusCode)
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}
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return nil
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}
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