mirror of
https://github.com/versity/versitygw.git
synced 2025-12-23 05:05:16 +00:00
135 lines
3.2 KiB
Go
135 lines
3.2 KiB
Go
// Copyright 2023 Versity Software
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// This file is licensed under the Apache License, Version 2.0
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// (the "License"); you may not use this file except in compliance
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// with the License. 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,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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package s3event
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import (
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"bytes"
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"encoding/json"
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"encoding/xml"
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"fmt"
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"net"
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"net/http"
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"os"
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"sync"
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"time"
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"github.com/gofiber/fiber/v2"
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"github.com/versity/versitygw/s3response"
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)
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type Webhook struct {
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url string
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client *http.Client
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filter EventFilter
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mu sync.Mutex
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}
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func InitWebhookEventSender(url string, filter EventFilter) (S3EventSender, error) {
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if url == "" {
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return nil, fmt.Errorf("webhook url should be specified")
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}
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client := &http.Client{
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Timeout: time.Second * 1,
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}
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testEv, err := generateTestEvent()
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if err != nil {
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return nil, fmt.Errorf("webhook generate test event: %w", err)
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}
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req, err := http.NewRequest(http.MethodPost, url, bytes.NewReader(testEv))
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if err != nil {
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return nil, fmt.Errorf("create webhook http request: %w", err)
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}
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req.Header.Set("Content-Type", "application/json; charset=utf-8")
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_, err = client.Do(req)
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if err != nil {
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if err, ok := err.(net.Error); ok && !err.Timeout() {
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return nil, fmt.Errorf("send webhook test event: %w", err)
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}
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}
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return &Webhook{
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client: &http.Client{
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Timeout: 3 * time.Second,
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},
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url: url,
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filter: filter,
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}, nil
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}
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func (w *Webhook) SendEvent(ctx *fiber.Ctx, meta EventMeta) {
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w.mu.Lock()
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defer w.mu.Unlock()
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if w.filter != nil && !w.filter.Filter(meta.EventName) {
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return
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}
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if meta.EventName == EventObjectRemovedDeleteObjects {
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var dObj s3response.DeleteObjects
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if err := xml.Unmarshal(ctx.Body(), &dObj); err != nil {
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fmt.Fprintf(os.Stderr, "failed to parse delete objects input payload: %v\n", err.Error())
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return
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}
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// Events aren't send in correct order
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for _, obj := range dObj.Objects {
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key := *obj.Key
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schema := createEventSchema(ctx, meta, ConfigurationIdWebhook)
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schema.Records[0].S3.Object.Key = key
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schema.Records[0].S3.Object.VersionId = obj.VersionId
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go w.send(schema)
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}
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return
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}
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schema := createEventSchema(ctx, meta, ConfigurationIdWebhook)
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go w.send(schema)
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}
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func (w *Webhook) Close() error {
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return nil
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}
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func (w *Webhook) send(event EventSchema) {
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eventBytes, err := json.Marshal(event)
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if err != nil {
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fmt.Fprintf(os.Stderr, "failed to parse event data: %v\n", err.Error())
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return
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}
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req, err := http.NewRequest(http.MethodPost, w.url, bytes.NewReader(eventBytes))
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if err != nil {
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fmt.Fprintf(os.Stderr, "failed to create webhook event request: %v\n", err.Error())
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return
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}
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req.Header.Set("Content-Type", "application/json; charset=utf-8")
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_, err = w.client.Do(req)
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if err != nil {
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if err, ok := err.(net.Error); ok && !err.Timeout() {
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fmt.Fprintf(os.Stderr, "failed to send webhook event: %v\n", err.Error())
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}
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}
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}
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