mirror of
https://github.com/infiniflow/ragflow.git
synced 2026-08-01 13:33:48 +08:00
feat[Go]: add line chat bot for chat channel (#17594)
### Summary As title, this can not be tested for now Close #17520 --------- Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
This commit is contained in:
@@ -285,6 +285,8 @@ func buildChannel(accountID string, wanted desiredChannel) (core.Channel, error)
|
||||
return newQQBotChannelFromConfig(accountID, wanted.credential)
|
||||
case "whatsapp":
|
||||
return newWhatsAppChannelFromConfig(accountID, wanted.credential)
|
||||
case "line":
|
||||
return newLineChannelFromConfig(accountID, wanted.credential)
|
||||
case "telegram":
|
||||
return newTelegramChannelFromConfig(accountID, wanted.credential)
|
||||
case "wecom":
|
||||
|
||||
@@ -15,3 +15,608 @@
|
||||
//
|
||||
|
||||
package channels
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"context"
|
||||
"crypto/hmac"
|
||||
"crypto/sha256"
|
||||
"encoding/base64"
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"fmt"
|
||||
"io"
|
||||
"log"
|
||||
"net"
|
||||
"net/http"
|
||||
"strconv"
|
||||
"strings"
|
||||
"sync"
|
||||
"time"
|
||||
|
||||
"ragflow/internal/channels/core"
|
||||
)
|
||||
|
||||
const (
|
||||
defaultLineWebhookHost = "0.0.0.0"
|
||||
defaultLineWebhookPort = 3001
|
||||
defaultLineTimeout = 30 * time.Second
|
||||
lineAPIBaseURL = "https://api.line.me/v2/bot/message"
|
||||
lineQueueSize = 64
|
||||
lineWorkerIdle = 5 * time.Minute
|
||||
lineReplyTokenTTL = 2 * time.Minute
|
||||
lineMessageTTL = 10 * time.Minute
|
||||
)
|
||||
|
||||
type lineAccount struct {
|
||||
AccountID string
|
||||
ChannelSecret string
|
||||
ChannelAccessToken string
|
||||
WebhookHost string
|
||||
WebhookPort int
|
||||
Timeout time.Duration
|
||||
}
|
||||
|
||||
type lineChannel struct {
|
||||
account lineAccount
|
||||
|
||||
mu sync.Mutex
|
||||
ctx context.Context
|
||||
cancel context.CancelFunc
|
||||
handler core.MessageHandler
|
||||
client *http.Client
|
||||
server *lineWebhookServer
|
||||
replyTokens map[string]lineReplyToken
|
||||
seen map[string]time.Time
|
||||
workers map[string]*lineWorker
|
||||
}
|
||||
|
||||
type lineWorker struct {
|
||||
queue chan core.IncomingMessage
|
||||
}
|
||||
|
||||
type lineReplyToken struct {
|
||||
token string
|
||||
expiresAt time.Time
|
||||
}
|
||||
|
||||
type lineWebhookServer struct {
|
||||
host string
|
||||
port int
|
||||
|
||||
mu sync.RWMutex
|
||||
server *http.Server
|
||||
listener net.Listener
|
||||
channels map[string]*lineChannel
|
||||
refs int
|
||||
}
|
||||
|
||||
var (
|
||||
lineServersMu sync.Mutex
|
||||
lineServers = map[string]*lineWebhookServer{}
|
||||
)
|
||||
|
||||
// newLineChannel creates a LINE channel backed by the Messaging API and a shared webhook server.
|
||||
func newLineChannel(account lineAccount) *lineChannel {
|
||||
if account.WebhookHost == "" {
|
||||
account.WebhookHost = defaultLineWebhookHost
|
||||
}
|
||||
if account.WebhookPort <= 0 {
|
||||
account.WebhookPort = defaultLineWebhookPort
|
||||
}
|
||||
if account.Timeout <= 0 {
|
||||
account.Timeout = defaultLineTimeout
|
||||
}
|
||||
return &lineChannel{
|
||||
account: account,
|
||||
ctx: context.Background(),
|
||||
client: &http.Client{Timeout: account.Timeout},
|
||||
replyTokens: map[string]lineReplyToken{},
|
||||
seen: map[string]time.Time{},
|
||||
workers: map[string]*lineWorker{},
|
||||
}
|
||||
}
|
||||
|
||||
// newLineChannelFromConfig builds a LINE channel from chat_channel.config.credential.
|
||||
func newLineChannelFromConfig(accountID string, cfg map[string]any) (*lineChannel, error) {
|
||||
secret := firstString(cfg, "channel_secret", "channelSecret")
|
||||
token := firstString(cfg, "channel_access_token", "channelAccessToken")
|
||||
if secret == "" || token == "" {
|
||||
return nil, fmt.Errorf("line account %q missing channel_secret or channel_access_token", accountID)
|
||||
}
|
||||
|
||||
port := defaultLineWebhookPort
|
||||
if raw := firstString(cfg, "webhook_port", "webhookPort"); raw != "" {
|
||||
parsed, err := strconv.Atoi(raw)
|
||||
if err != nil || parsed <= 0 {
|
||||
return nil, fmt.Errorf("line account %q has invalid webhook_port %q", accountID, raw)
|
||||
}
|
||||
port = parsed
|
||||
}
|
||||
|
||||
timeout := defaultLineTimeout
|
||||
if raw, ok := cfg["timeout_secs"]; ok {
|
||||
if parsed := lineDurationSeconds(raw); parsed > 0 {
|
||||
timeout = parsed
|
||||
}
|
||||
}
|
||||
|
||||
return newLineChannel(lineAccount{
|
||||
AccountID: accountID,
|
||||
ChannelSecret: secret,
|
||||
ChannelAccessToken: token,
|
||||
WebhookHost: valueOrDefault(firstString(cfg, "webhook_host", "webhookHost"), defaultLineWebhookHost),
|
||||
WebhookPort: port,
|
||||
Timeout: timeout,
|
||||
}), nil
|
||||
}
|
||||
|
||||
func (c *lineChannel) ChannelID() string {
|
||||
return "line"
|
||||
}
|
||||
|
||||
func (c *lineChannel) AccountID() string {
|
||||
return c.account.AccountID
|
||||
}
|
||||
|
||||
func (c *lineChannel) SetMessageHandler(handler core.MessageHandler) {
|
||||
c.mu.Lock()
|
||||
defer c.mu.Unlock()
|
||||
c.handler = handler
|
||||
}
|
||||
|
||||
func (c *lineChannel) Start(ctx context.Context) error {
|
||||
c.mu.Lock()
|
||||
if c.cancel != nil {
|
||||
c.mu.Unlock()
|
||||
return nil
|
||||
}
|
||||
runCtx, cancel := context.WithCancel(ctx)
|
||||
c.ctx = runCtx
|
||||
c.cancel = cancel
|
||||
c.mu.Unlock()
|
||||
|
||||
server, err := acquireLineWebhookServer(c.account.WebhookHost, c.account.WebhookPort)
|
||||
if err != nil {
|
||||
c.mu.Lock()
|
||||
c.ctx = context.Background()
|
||||
c.cancel = nil
|
||||
c.mu.Unlock()
|
||||
cancel()
|
||||
return err
|
||||
}
|
||||
server.register(c)
|
||||
c.mu.Lock()
|
||||
c.server = server
|
||||
c.mu.Unlock()
|
||||
log.Printf("[line:%s] registered at path /line/%s/webhook", c.account.AccountID, c.account.AccountID)
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c *lineChannel) Stop(ctx context.Context) error {
|
||||
c.mu.Lock()
|
||||
cancel := c.cancel
|
||||
server := c.server
|
||||
c.cancel = nil
|
||||
c.ctx = context.Background()
|
||||
c.server = nil
|
||||
c.replyTokens = map[string]lineReplyToken{}
|
||||
c.seen = map[string]time.Time{}
|
||||
c.workers = map[string]*lineWorker{}
|
||||
c.mu.Unlock()
|
||||
|
||||
if cancel != nil {
|
||||
cancel()
|
||||
}
|
||||
if server != nil {
|
||||
server.unregister(c.account.AccountID)
|
||||
return releaseLineWebhookServer(ctx, c.account.WebhookHost, c.account.WebhookPort)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c *lineChannel) Send(ctx context.Context, msg core.OutgoingMessage) error {
|
||||
text := strings.TrimSpace(msg.Text)
|
||||
if text == "" {
|
||||
return nil
|
||||
}
|
||||
|
||||
if msg.ReplyToMessageID != "" {
|
||||
if token := c.takeReplyToken(msg.ReplyToMessageID); token != "" {
|
||||
return c.postLineMessage(ctx, "/reply", map[string]any{
|
||||
"replyToken": token,
|
||||
"messages": []map[string]string{{"type": "text", "text": text}},
|
||||
})
|
||||
}
|
||||
}
|
||||
if strings.TrimSpace(msg.ChatID) == "" {
|
||||
return errors.New("chat_id is required")
|
||||
}
|
||||
return c.postLineMessage(ctx, "/push", map[string]any{
|
||||
"to": msg.ChatID,
|
||||
"messages": []map[string]string{{"type": "text", "text": text}},
|
||||
})
|
||||
}
|
||||
|
||||
func (c *lineChannel) handleWebhook(body []byte, signature string) (int, string) {
|
||||
if !validLineSignature(c.account.ChannelSecret, body, signature) {
|
||||
return http.StatusForbidden, "bad signature"
|
||||
}
|
||||
|
||||
var payload lineWebhookPayload
|
||||
if err := json.Unmarshal(body, &payload); err != nil {
|
||||
return http.StatusBadRequest, "bad request"
|
||||
}
|
||||
for _, event := range payload.Events {
|
||||
incoming, ok := c.normalizeEvent(event)
|
||||
if !ok {
|
||||
continue
|
||||
}
|
||||
if event.ReplyToken != "" {
|
||||
c.storeReplyToken(incoming.MessageID, event.ReplyToken)
|
||||
}
|
||||
c.enqueueIncoming(incoming)
|
||||
}
|
||||
return http.StatusOK, "ok"
|
||||
}
|
||||
|
||||
func (c *lineChannel) normalizeEvent(event lineEvent) (core.IncomingMessage, bool) {
|
||||
if event.Type != "message" || event.Message.Type != "text" || event.Message.ID == "" {
|
||||
return core.IncomingMessage{}, false
|
||||
}
|
||||
chatType, chatID := lineChatTypeAndID(event.Source)
|
||||
if chatID == "" {
|
||||
return core.IncomingMessage{}, false
|
||||
}
|
||||
raw := map[string]any{}
|
||||
if data, err := json.Marshal(event); err == nil {
|
||||
_ = json.Unmarshal(data, &raw)
|
||||
}
|
||||
return core.IncomingMessage{
|
||||
Channel: c.ChannelID(),
|
||||
AccountID: c.account.AccountID,
|
||||
ChatID: chatID,
|
||||
ChatType: chatType,
|
||||
MessageID: event.Message.ID,
|
||||
SenderID: event.Source.UserID,
|
||||
Text: event.Message.Text,
|
||||
Raw: raw,
|
||||
}, true
|
||||
}
|
||||
|
||||
// enqueueIncoming schedules LINE message handling and marks it seen after a successful handoff.
|
||||
func (c *lineChannel) enqueueIncoming(incoming core.IncomingMessage) bool {
|
||||
now := time.Now()
|
||||
var worker *lineWorker
|
||||
startWorker := false
|
||||
queueFull := false
|
||||
|
||||
c.mu.Lock()
|
||||
c.pruneSeenLocked(now)
|
||||
if _, ok := c.seen[incoming.MessageID]; ok {
|
||||
c.mu.Unlock()
|
||||
return false
|
||||
}
|
||||
worker = c.workers[incoming.ChatID]
|
||||
if worker == nil {
|
||||
worker = &lineWorker{queue: make(chan core.IncomingMessage, lineQueueSize)}
|
||||
c.workers[incoming.ChatID] = worker
|
||||
startWorker = true
|
||||
}
|
||||
ctx := c.ctx
|
||||
select {
|
||||
case worker.queue <- incoming:
|
||||
c.seen[incoming.MessageID] = now
|
||||
c.mu.Unlock()
|
||||
if startWorker {
|
||||
go c.runWorker(ctx, incoming.ChatID, worker)
|
||||
}
|
||||
return true
|
||||
case <-ctx.Done():
|
||||
c.mu.Unlock()
|
||||
default:
|
||||
queueFull = true
|
||||
c.mu.Unlock()
|
||||
}
|
||||
|
||||
if startWorker {
|
||||
go c.runWorker(ctx, incoming.ChatID, worker)
|
||||
}
|
||||
if queueFull {
|
||||
log.Printf("[line:%s] dropping message %s for chat %s: queue is full", c.account.AccountID, incoming.MessageID, incoming.ChatID)
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
func (c *lineChannel) runWorker(ctx context.Context, chatID string, worker *lineWorker) {
|
||||
idle := time.NewTimer(lineWorkerIdle)
|
||||
defer idle.Stop()
|
||||
for {
|
||||
select {
|
||||
case <-ctx.Done():
|
||||
return
|
||||
case msg := <-worker.queue:
|
||||
if ctx.Err() != nil {
|
||||
return
|
||||
}
|
||||
handlerCtx, cancel := context.WithTimeout(ctx, c.account.Timeout)
|
||||
c.handleIncoming(handlerCtx, msg)
|
||||
cancel()
|
||||
resetTimer(idle, lineWorkerIdle)
|
||||
case <-idle.C:
|
||||
if c.retireWorker(chatID, worker) {
|
||||
return
|
||||
}
|
||||
resetTimer(idle, lineWorkerIdle)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (c *lineChannel) retireWorker(chatID string, worker *lineWorker) bool {
|
||||
c.mu.Lock()
|
||||
defer c.mu.Unlock()
|
||||
current := c.workers[chatID]
|
||||
if current != worker {
|
||||
return true
|
||||
}
|
||||
if len(worker.queue) > 0 {
|
||||
return false
|
||||
}
|
||||
delete(c.workers, chatID)
|
||||
return true
|
||||
}
|
||||
|
||||
func (c *lineChannel) handleIncoming(ctx context.Context, incoming core.IncomingMessage) {
|
||||
c.mu.Lock()
|
||||
handler := c.handler
|
||||
c.mu.Unlock()
|
||||
if handler == nil {
|
||||
return
|
||||
}
|
||||
if err := handler(ctx, incoming); err != nil {
|
||||
log.Printf("[line:%s] message handler error: %v", c.account.AccountID, err)
|
||||
}
|
||||
}
|
||||
|
||||
func (c *lineChannel) storeReplyToken(messageID, token string) {
|
||||
c.mu.Lock()
|
||||
defer c.mu.Unlock()
|
||||
c.pruneReplyTokensLocked(time.Now())
|
||||
c.replyTokens[messageID] = lineReplyToken{token: token, expiresAt: time.Now().Add(lineReplyTokenTTL)}
|
||||
}
|
||||
|
||||
func (c *lineChannel) takeReplyToken(messageID string) string {
|
||||
c.mu.Lock()
|
||||
defer c.mu.Unlock()
|
||||
now := time.Now()
|
||||
c.pruneReplyTokensLocked(now)
|
||||
entry, ok := c.replyTokens[messageID]
|
||||
if !ok || now.After(entry.expiresAt) {
|
||||
delete(c.replyTokens, messageID)
|
||||
return ""
|
||||
}
|
||||
delete(c.replyTokens, messageID)
|
||||
return entry.token
|
||||
}
|
||||
|
||||
func (c *lineChannel) pruneReplyTokensLocked(now time.Time) {
|
||||
for key, entry := range c.replyTokens {
|
||||
if now.After(entry.expiresAt) {
|
||||
delete(c.replyTokens, key)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (c *lineChannel) pruneSeenLocked(now time.Time) {
|
||||
for key, ts := range c.seen {
|
||||
if now.Sub(ts) > lineMessageTTL {
|
||||
delete(c.seen, key)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (c *lineChannel) postLineMessage(ctx context.Context, path string, body map[string]any) error {
|
||||
payload, _ := json.Marshal(body)
|
||||
req, err := http.NewRequestWithContext(ctx, http.MethodPost, lineAPIBaseURL+path, bytes.NewReader(payload))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
req.Header.Set("Authorization", "Bearer "+c.account.ChannelAccessToken)
|
||||
req.Header.Set("Content-Type", "application/json")
|
||||
resp, err := c.client.Do(req)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
defer resp.Body.Close()
|
||||
respBody, _ := io.ReadAll(io.LimitReader(resp.Body, 1024*1024))
|
||||
if resp.StatusCode >= 400 {
|
||||
return fmt.Errorf("line send failed: status=%d response=%s", resp.StatusCode, string(respBody))
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func acquireLineWebhookServer(host string, port int) (*lineWebhookServer, error) {
|
||||
key := lineServerKey(host, port)
|
||||
lineServersMu.Lock()
|
||||
defer lineServersMu.Unlock()
|
||||
if server := lineServers[key]; server != nil {
|
||||
server.refs++
|
||||
return server, nil
|
||||
}
|
||||
|
||||
server := &lineWebhookServer{
|
||||
host: host,
|
||||
port: port,
|
||||
channels: map[string]*lineChannel{},
|
||||
}
|
||||
if err := server.start(); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
server.refs = 1
|
||||
lineServers[key] = server
|
||||
return server, nil
|
||||
}
|
||||
|
||||
func releaseLineWebhookServer(ctx context.Context, host string, port int) error {
|
||||
key := lineServerKey(host, port)
|
||||
lineServersMu.Lock()
|
||||
server := lineServers[key]
|
||||
if server == nil {
|
||||
lineServersMu.Unlock()
|
||||
return nil
|
||||
}
|
||||
server.refs--
|
||||
if server.refs > 0 {
|
||||
lineServersMu.Unlock()
|
||||
return nil
|
||||
}
|
||||
delete(lineServers, key)
|
||||
lineServersMu.Unlock()
|
||||
return server.stop(ctx)
|
||||
}
|
||||
|
||||
func (s *lineWebhookServer) start() error {
|
||||
mux := http.NewServeMux()
|
||||
mux.HandleFunc("/line/", s.handleRequest)
|
||||
addr := net.JoinHostPort(s.host, strconv.Itoa(s.port))
|
||||
listener, err := net.Listen("tcp", addr)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
s.listener = listener
|
||||
s.server = &http.Server{
|
||||
Handler: mux,
|
||||
ReadHeaderTimeout: 10 * time.Second,
|
||||
ReadTimeout: 30 * time.Second,
|
||||
WriteTimeout: 30 * time.Second,
|
||||
IdleTimeout: 60 * time.Second,
|
||||
}
|
||||
go func() {
|
||||
if err := s.server.Serve(listener); err != nil && !errors.Is(err, http.ErrServerClosed) {
|
||||
log.Printf("[line] webhook server exited: %v", err)
|
||||
}
|
||||
}()
|
||||
log.Printf("[line] webhook listening on http://%s/line/<account_id>/webhook", addr)
|
||||
return nil
|
||||
}
|
||||
|
||||
func (s *lineWebhookServer) stop(ctx context.Context) error {
|
||||
if s.server == nil {
|
||||
return nil
|
||||
}
|
||||
return s.server.Shutdown(ctx)
|
||||
}
|
||||
|
||||
func (s *lineWebhookServer) register(ch *lineChannel) {
|
||||
s.mu.Lock()
|
||||
defer s.mu.Unlock()
|
||||
s.channels[ch.account.AccountID] = ch
|
||||
}
|
||||
|
||||
func (s *lineWebhookServer) unregister(accountID string) {
|
||||
s.mu.Lock()
|
||||
defer s.mu.Unlock()
|
||||
delete(s.channels, accountID)
|
||||
}
|
||||
|
||||
func (s *lineWebhookServer) handleRequest(w http.ResponseWriter, r *http.Request) {
|
||||
accountID, ok := lineWebhookAccountID(r.URL.Path)
|
||||
if !ok {
|
||||
http.NotFound(w, r)
|
||||
return
|
||||
}
|
||||
if r.Method != http.MethodPost {
|
||||
w.WriteHeader(http.StatusMethodNotAllowed)
|
||||
return
|
||||
}
|
||||
body, err := io.ReadAll(io.LimitReader(r.Body, 10*1024*1024))
|
||||
if err != nil {
|
||||
http.Error(w, "bad request", http.StatusBadRequest)
|
||||
return
|
||||
}
|
||||
s.mu.RLock()
|
||||
ch := s.channels[accountID]
|
||||
s.mu.RUnlock()
|
||||
if ch == nil {
|
||||
http.Error(w, "unknown account", http.StatusNotFound)
|
||||
return
|
||||
}
|
||||
status, text := ch.handleWebhook(body, r.Header.Get("X-Line-Signature"))
|
||||
w.WriteHeader(status)
|
||||
_, _ = w.Write([]byte(text))
|
||||
}
|
||||
|
||||
type lineWebhookPayload struct {
|
||||
Events []lineEvent `json:"events"`
|
||||
}
|
||||
|
||||
type lineEvent struct {
|
||||
Type string `json:"type"`
|
||||
ReplyToken string `json:"replyToken"`
|
||||
Source lineSource `json:"source"`
|
||||
Message lineMessage `json:"message"`
|
||||
}
|
||||
|
||||
type lineSource struct {
|
||||
Type string `json:"type"`
|
||||
UserID string `json:"userId"`
|
||||
GroupID string `json:"groupId"`
|
||||
RoomID string `json:"roomId"`
|
||||
}
|
||||
|
||||
type lineMessage struct {
|
||||
ID string `json:"id"`
|
||||
Type string `json:"type"`
|
||||
Text string `json:"text"`
|
||||
}
|
||||
|
||||
func lineChatTypeAndID(source lineSource) (string, string) {
|
||||
switch source.Type {
|
||||
case "group":
|
||||
return "group", source.GroupID
|
||||
case "room":
|
||||
return "group", source.RoomID
|
||||
case "user":
|
||||
return "p2p", source.UserID
|
||||
default:
|
||||
return source.Type, source.UserID
|
||||
}
|
||||
}
|
||||
|
||||
func validLineSignature(secret string, body []byte, signature string) bool {
|
||||
mac := hmac.New(sha256.New, []byte(secret))
|
||||
_, _ = mac.Write(body)
|
||||
expected := base64.StdEncoding.EncodeToString(mac.Sum(nil))
|
||||
return hmac.Equal([]byte(expected), []byte(strings.TrimSpace(signature)))
|
||||
}
|
||||
|
||||
func lineWebhookAccountID(path string) (string, bool) {
|
||||
parts := strings.Split(strings.Trim(path, "/"), "/")
|
||||
if len(parts) != 3 || parts[0] != "line" || parts[2] != "webhook" || parts[1] == "" {
|
||||
return "", false
|
||||
}
|
||||
return parts[1], true
|
||||
}
|
||||
|
||||
func lineServerKey(host string, port int) string {
|
||||
return net.JoinHostPort(host, strconv.Itoa(port))
|
||||
}
|
||||
|
||||
func lineDurationSeconds(value any) time.Duration {
|
||||
switch v := value.(type) {
|
||||
case int:
|
||||
return time.Duration(v) * time.Second
|
||||
case int64:
|
||||
return time.Duration(v) * time.Second
|
||||
case float64:
|
||||
return time.Duration(v) * time.Second
|
||||
case json.Number:
|
||||
n, _ := v.Int64()
|
||||
return time.Duration(n) * time.Second
|
||||
case string:
|
||||
n, _ := strconv.ParseInt(strings.TrimSpace(v), 10, 64)
|
||||
return time.Duration(n) * time.Second
|
||||
default:
|
||||
return 0
|
||||
}
|
||||
}
|
||||
|
||||
142
internal/channels/line_test.go
Normal file
142
internal/channels/line_test.go
Normal file
@@ -0,0 +1,142 @@
|
||||
//
|
||||
// Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
|
||||
//
|
||||
// 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 channels
|
||||
|
||||
import (
|
||||
"context"
|
||||
"crypto/hmac"
|
||||
"crypto/sha256"
|
||||
"encoding/base64"
|
||||
"net/http"
|
||||
"net/http/httptest"
|
||||
"strings"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"ragflow/internal/channels/core"
|
||||
)
|
||||
|
||||
func TestNewLineChannelFromConfigRequiresCredentials(t *testing.T) {
|
||||
if _, err := newLineChannelFromConfig("account-1", map[string]any{"channel_secret": "secret"}); err == nil {
|
||||
t.Fatal("newLineChannelFromConfig succeeded without channel_access_token")
|
||||
}
|
||||
}
|
||||
|
||||
func TestNewLineChannelFromConfigNormalizesConfig(t *testing.T) {
|
||||
ch, err := newLineChannelFromConfig("account-1", map[string]any{
|
||||
"channel_secret": "secret-1",
|
||||
"channel_access_token": "token-1",
|
||||
"webhook_host": "127.0.0.1",
|
||||
"webhook_port": "3011",
|
||||
"timeout_secs": "7",
|
||||
})
|
||||
if err != nil {
|
||||
t.Fatalf("newLineChannelFromConfig returned error: %v", err)
|
||||
}
|
||||
if ch.account.ChannelSecret != "secret-1" {
|
||||
t.Fatalf("channel secret = %q, want secret-1", ch.account.ChannelSecret)
|
||||
}
|
||||
if ch.account.ChannelAccessToken != "token-1" {
|
||||
t.Fatalf("channel access token = %q, want token-1", ch.account.ChannelAccessToken)
|
||||
}
|
||||
if ch.account.WebhookHost != "127.0.0.1" {
|
||||
t.Fatalf("webhook host = %q, want 127.0.0.1", ch.account.WebhookHost)
|
||||
}
|
||||
if ch.account.WebhookPort != 3011 {
|
||||
t.Fatalf("webhook port = %d, want 3011", ch.account.WebhookPort)
|
||||
}
|
||||
if ch.account.Timeout != 7*time.Second {
|
||||
t.Fatalf("timeout = %s, want 7s", ch.account.Timeout)
|
||||
}
|
||||
}
|
||||
|
||||
func TestLineWebhookRejectsBadSignature(t *testing.T) {
|
||||
ch := newLineChannel(lineAccount{AccountID: "account-1", ChannelSecret: "secret", ChannelAccessToken: "token"})
|
||||
server := &lineWebhookServer{channels: map[string]*lineChannel{"account-1": ch}}
|
||||
req := httptest.NewRequest(http.MethodPost, "/line/account-1/webhook", strings.NewReader(`{"events":[]}`))
|
||||
req.Header.Set("X-Line-Signature", "bad")
|
||||
rec := httptest.NewRecorder()
|
||||
|
||||
server.handleRequest(rec, req)
|
||||
|
||||
if rec.Code != http.StatusForbidden {
|
||||
t.Fatalf("status = %d, want %d", rec.Code, http.StatusForbidden)
|
||||
}
|
||||
}
|
||||
|
||||
func TestLineWebhookDispatchesTextMessage(t *testing.T) {
|
||||
body := `{"events":[{"type":"message","replyToken":"reply-1","source":{"type":"user","userId":"user-1"},"message":{"id":"message-1","type":"text","text":"hello"}}]}`
|
||||
ch := newLineChannel(lineAccount{AccountID: "account-1", ChannelSecret: "secret", ChannelAccessToken: "token"})
|
||||
server := &lineWebhookServer{channels: map[string]*lineChannel{"account-1": ch}}
|
||||
|
||||
var got core.IncomingMessage
|
||||
handled := make(chan struct{}, 1)
|
||||
ch.SetMessageHandler(func(ctx context.Context, msg core.IncomingMessage) error {
|
||||
got = msg
|
||||
handled <- struct{}{}
|
||||
return nil
|
||||
})
|
||||
|
||||
req := httptest.NewRequest(http.MethodPost, "/line/account-1/webhook", strings.NewReader(body))
|
||||
req.Header.Set("X-Line-Signature", lineSignature("secret", body))
|
||||
rec := httptest.NewRecorder()
|
||||
|
||||
server.handleRequest(rec, req)
|
||||
|
||||
if rec.Code != http.StatusOK {
|
||||
t.Fatalf("status = %d, want %d", rec.Code, http.StatusOK)
|
||||
}
|
||||
select {
|
||||
case <-handled:
|
||||
case <-time.After(time.Second):
|
||||
t.Fatal("message handler was not invoked")
|
||||
}
|
||||
if got.Channel != "line" || got.AccountID != "account-1" || got.ChatID != "user-1" || got.ChatType != "p2p" || got.MessageID != "message-1" || got.Text != "hello" {
|
||||
t.Fatalf("incoming message = %#v", got)
|
||||
}
|
||||
if token := ch.takeReplyToken("message-1"); token != "reply-1" {
|
||||
t.Fatalf("reply token = %q, want reply-1", token)
|
||||
}
|
||||
if token := ch.takeReplyToken("message-1"); token != "" {
|
||||
t.Fatalf("reply token was not single-use: %q", token)
|
||||
}
|
||||
}
|
||||
|
||||
func TestLineEnqueueDoesNotMarkDroppedMessageSeen(t *testing.T) {
|
||||
ch := newLineChannel(lineAccount{AccountID: "account-1", ChannelSecret: "secret", ChannelAccessToken: "token"})
|
||||
worker := &lineWorker{queue: make(chan core.IncomingMessage, 1)}
|
||||
worker.queue <- core.IncomingMessage{MessageID: "queued"}
|
||||
ch.workers["chat-1"] = worker
|
||||
|
||||
ok := ch.enqueueIncoming(core.IncomingMessage{
|
||||
ChatID: "chat-1",
|
||||
MessageID: "dropped",
|
||||
})
|
||||
|
||||
if ok {
|
||||
t.Fatal("enqueueIncoming succeeded for a full queue")
|
||||
}
|
||||
if _, seen := ch.seen["dropped"]; seen {
|
||||
t.Fatal("dropped message was marked seen")
|
||||
}
|
||||
}
|
||||
|
||||
func lineSignature(secret, body string) string {
|
||||
mac := hmac.New(sha256.New, []byte(secret))
|
||||
_, _ = mac.Write([]byte(body))
|
||||
return base64.StdEncoding.EncodeToString(mac.Sum(nil))
|
||||
}
|
||||
Reference in New Issue
Block a user