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// 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"
"errors"
"fmt"
"net/http"
"time"
"miniflux.app/v2/internal/crypto"
"miniflux.app/v2/internal/model"
"miniflux.app/v2/internal/version"
)
const (
defaultClientTimeout = 10 * time.Second
NewEntriesEventType = "new_entries"
SaveEntryEventType = "save_entry"
)
type Client struct {
webhookURL string
webhookSecret string
}
func NewClient(webhookURL, webhookSecret string) *Client {
return &Client{webhookURL, webhookSecret}
}
func (c *Client) SendSaveEntryWebhookEvent(entry *model.Entry) error {
return c.makeRequest(SaveEntryEventType, &WebhookSaveEntryEvent{
EventType: SaveEntryEventType,
Entry: &WebhookEntry{
ID: entry.ID,
UserID: entry.UserID,
FeedID: entry.FeedID,
Status: entry.Status,
Hash: entry.Hash,
Title: entry.Title,
URL: entry.URL,
CommentsURL: entry.CommentsURL,
Date: entry.Date,
CreatedAt: entry.CreatedAt,
ChangedAt: entry.ChangedAt,
Content: entry.Content,
Author: entry.Author,
ShareCode: entry.ShareCode,
Starred: entry.Starred,
ReadingTime: entry.ReadingTime,
Enclosures: entry.Enclosures,
Tags: entry.Tags,
Feed: &WebhookFeed{
ID: entry.Feed.ID,
UserID: entry.Feed.UserID,
CategoryID: entry.Feed.Category.ID,
Category: &WebhookCategory{ID: entry.Feed.Category.ID, Title: entry.Feed.Category.Title},
FeedURL: entry.Feed.FeedURL,
SiteURL: entry.Feed.SiteURL,
Title: entry.Feed.Title,
CheckedAt: entry.Feed.CheckedAt,
},
},
})
}
func (c *Client) SendNewEntriesWebhookEvent(feed *model.Feed, entries model.Entries) error {
if len(entries) == 0 {
return nil
}
webhookEntries := make([]*WebhookEntry, 0, len(entries))
for _, entry := range entries {
webhookEntries = append(webhookEntries, &WebhookEntry{
ID: entry.ID,
UserID: entry.UserID,
FeedID: entry.FeedID,
Status: entry.Status,
Hash: entry.Hash,
Title: entry.Title,
URL: entry.URL,
CommentsURL: entry.CommentsURL,
Date: entry.Date,
CreatedAt: entry.CreatedAt,
ChangedAt: entry.ChangedAt,
Content: entry.Content,
Author: entry.Author,
ShareCode: entry.ShareCode,
Starred: entry.Starred,
ReadingTime: entry.ReadingTime,
Enclosures: entry.Enclosures,
Tags: entry.Tags,
})
}
return c.makeRequest(NewEntriesEventType, &WebhookNewEntriesEvent{
EventType: NewEntriesEventType,
Feed: &WebhookFeed{
ID: feed.ID,
UserID: feed.UserID,
CategoryID: feed.Category.ID,
Category: &WebhookCategory{ID: feed.Category.ID, Title: feed.Category.Title},
FeedURL: feed.FeedURL,
SiteURL: feed.SiteURL,
Title: feed.Title,
CheckedAt: feed.CheckedAt,
},
Entries: webhookEntries,
})
}
func (c *Client) makeRequest(eventType string, payload any) error {
if c.webhookURL == "" {
return errors.New(`webhook: missing webhook URL`)
}
requestBody, err := json.Marshal(payload)
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))
request.Header.Set("X-Miniflux-Event-Type", eventType)
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 %d for url %s", response.StatusCode, c.webhookURL)
}
return nil
}
type WebhookFeed struct {
ID int64 `json:"id"`
UserID int64 `json:"user_id"`
CategoryID int64 `json:"category_id"`
Category *WebhookCategory `json:"category,omitempty"`
FeedURL string `json:"feed_url"`
SiteURL string `json:"site_url"`
Title string `json:"title"`
CheckedAt time.Time `json:"checked_at"`
}
type WebhookCategory struct {
ID int64 `json:"id"`
Title string `json:"title"`
}
type WebhookEntry struct {
ID int64 `json:"id"`
UserID int64 `json:"user_id"`
FeedID int64 `json:"feed_id"`
Status string `json:"status"`
Hash string `json:"hash"`
Title string `json:"title"`
URL string `json:"url"`
CommentsURL string `json:"comments_url"`
Date time.Time `json:"published_at"`
CreatedAt time.Time `json:"created_at"`
ChangedAt time.Time `json:"changed_at"`
Content string `json:"content"`
Author string `json:"author"`
ShareCode string `json:"share_code"`
Starred bool `json:"starred"`
ReadingTime int `json:"reading_time"`
Enclosures model.EnclosureList `json:"enclosures"`
Tags []string `json:"tags"`
Feed *WebhookFeed `json:"feed,omitempty"`
}
type WebhookNewEntriesEvent struct {
EventType string `json:"event_type"`
Feed *WebhookFeed `json:"feed"`
Entries []*WebhookEntry `json:"entries"`
}
type WebhookSaveEntryEvent struct {
EventType string `json:"event_type"`
Entry *WebhookEntry `json:"entry"`
}
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