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Copy pathwebhook.go
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113 lines (98 loc) · 2.82 KB
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/*
* Minio Cloud Storage, (C) 2018 Minio, Inc.
*
* 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 target
import (
"bytes"
"crypto/tls"
"crypto/x509"
"encoding/json"
"fmt"
"net"
"net/http"
"net/url"
"time"
"github.com/minio/minio/pkg/event"
xnet "github.com/minio/minio/pkg/net"
)
// WebhookArgs - Webhook target arguments.
type WebhookArgs struct {
Enable bool `json:"enable"`
Endpoint xnet.URL `json:"endpoint"`
RootCAs *x509.CertPool `json:"-"`
}
// WebhookTarget - Webhook target.
type WebhookTarget struct {
id event.TargetID
args WebhookArgs
httpClient *http.Client
}
// ID - returns target ID.
func (target WebhookTarget) ID() event.TargetID {
return target.id
}
// Send - sends event to Webhook.
func (target *WebhookTarget) Send(eventData event.Event) error {
objectName, err := url.QueryUnescape(eventData.S3.Object.Key)
if err != nil {
return err
}
key := eventData.S3.Bucket.Name + "/" + objectName
data, err := json.Marshal(event.Log{eventData.EventName, key, []event.Event{eventData}})
if err != nil {
return err
}
req, err := http.NewRequest("POST", target.args.Endpoint.String(), bytes.NewReader(data))
if err != nil {
return err
}
// req.Header.Set("User-Agent", globalServerUserAgent)
req.Header.Set("Content-Type", "application/json")
resp, err := target.httpClient.Do(req)
if err != nil {
return err
}
// FIXME: log returned error. ignore time being.
_ = resp.Body.Close()
4D12
switch resp.StatusCode {
case http.StatusOK, http.StatusAccepted, http.StatusContinue:
return nil
default:
return fmt.Errorf("sending event failed with %v", resp.Status)
}
}
// Close - does nothing and available for interface compatibility.
func (target *WebhookTarget) Close() error {
return nil
}
// NewWebhookTarget - creates new Webhook target.
func NewWebhookTarget(id string, args WebhookArgs) *WebhookTarget {
return &WebhookTarget{
id: event.TargetID{id, "webhook"},
args: args,
httpClient: &http.Client{
Transport: &http.Transport{
TLSClientConfig: &tls.Config{RootCAs: args.RootCAs},
DialContext: (&net.Dialer{
Timeout: 5 * time.Second,
KeepAlive: 5 * time.Second,
}).DialContext,
TLSHandshakeTimeout: 3 * time.Second,
ResponseHeaderTimeout: 3 * time.Second,
ExpectContinueTimeout: 2 * time.Second,
},
},
}
}