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miniflux/internal/integration/webhook/webhook.go
2023-09-10 13:20:04 -07:00

91 lines
2.3 KiB
Go

// SPDX-FileCopyrightText: Copyright The Miniflux Authors. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
package webhook // import "miniflux.app/v2/internal/integration/webhook"
import (
"bytes"
"encoding/json"
"fmt"
"net/http"
"time"
"miniflux.app/v2/internal/crypto"
"miniflux.app/v2/internal/model"
"miniflux.app/v2/internal/version"
)
const defaultClientTimeout = 10 * time.Second
type Client struct {
webhookURL string
webhookSecret string
}
func NewClient(webhookURL, webhookSecret string) *Client {
return &Client{webhookURL, webhookSecret}
}
func (c *Client) SendWebhook(feed *model.Feed, entries model.Entries) error {
if c.webhookURL == "" {
return fmt.Errorf(`webhook: missing webhook URL`)
}
if len(entries) == 0 {
return nil
}
webhookEvent := &WebhookEvent{
// Send only a subset of the fields to avoid leaking sensitive data.
Feed: &WebhookFeed{
ID: feed.ID,
UserID: feed.UserID,
FeedURL: feed.FeedURL,
SiteURL: feed.SiteURL,
Title: feed.Title,
CheckedAt: feed.CheckedAt,
},
Entries: entries,
}
requestBody, err := json.Marshal(webhookEvent)
if err != nil {
return fmt.Errorf("webhook: unable to encode request body: %v", err)
}
request, err := http.NewRequest(http.MethodPost, c.webhookURL, bytes.NewReader(requestBody))
if err != nil {
return fmt.Errorf("webhook: unable to create request: %v", err)
}
request.Header.Set("Content-Type", "application/json")
request.Header.Set("User-Agent", "Miniflux/"+version.Version)
request.Header.Set("X-Miniflux-Signature", crypto.GenerateSHA256Hmac(c.webhookSecret, requestBody))
httpClient := &http.Client{Timeout: defaultClientTimeout}
response, err := httpClient.Do(request)
if err != nil {
return fmt.Errorf("webhook: unable to send request: %v", err)
}
defer response.Body.Close()
if response.StatusCode >= 400 {
return fmt.Errorf("webhook: incorrect response status code: url=%s status=%d", c.webhookURL, response.StatusCode)
}
return nil
}
type WebhookFeed struct {
ID int64 `json:"id"`
UserID int64 `json:"user_id"`
FeedURL string `json:"feed_url"`
SiteURL string `json:"site_url"`
Title string `json:"title"`
CheckedAt time.Time `json:"checked_at"`
}
type WebhookEvent struct {
Feed *WebhookFeed `json:"feed"`
Entries model.Entries `json:"entries"`
}