Fixes#11463: DingTalk channel receives messages but fails to reply
with 'No session_webhook available'.
Two changes:
1. **Fire-and-forget message processing**: process() now dispatches
_on_message as a background task via asyncio.create_task instead of
awaiting it. This ensures the SDK ACK is returned immediately,
preventing heartbeat timeouts and disconnections when message
processing takes longer than the SDK's ACK deadline.
2. **session_webhook extraction fallback**: If ChatbotMessage.from_dict()
fails to map the sessionWebhook field (possible across SDK versions),
the handler now falls back to extracting it directly from the raw
callback data dict using both 'sessionWebhook' and 'session_webhook'
key variants.
Added 3 tests covering webhook extraction, fallback behavior, and
fire-and-forget ACK timing.
DingTalk was the only messaging platform without group-mention gating or a
per-user allowlist. Slack, Telegram, Discord, WhatsApp, Matrix, and Mattermost
all support these via config.yaml + matching env vars; this change closes the
gap for DingTalk using the same surface:
Config:
platforms.dingtalk.require_mention: bool (env: DINGTALK_REQUIRE_MENTION)
platforms.dingtalk.mention_patterns: list (env: DINGTALK_MENTION_PATTERNS)
platforms.dingtalk.free_response_chats: list (env: DINGTALK_FREE_RESPONSE_CHATS)
platforms.dingtalk.allowed_users: list (env: DINGTALK_ALLOWED_USERS)
Semantics mirror Telegram's implementation:
- DMs are always accepted (subject to allowed_users).
- Group messages are accepted only when the chat is allowlisted, mention is
not required, the bot was @mentioned (dingtalk_stream sets is_in_at_list),
or the text matches a configured regex wake-word.
- allowed_users matches sender_id / sender_staff_id case-insensitively;
a single "*" disables the check.
Rationale: without this, any DingTalk user in a group chat can trigger the
bot, which makes DingTalk less safe to deploy than the other platforms. A
user's config.yaml already accepts require_mention for dingtalk but the value
was silently ignored.
The cherry-picked SDK compat fix (previous commit) wired process() to
parse CallbackMessage.data into a ChatbotMessage, but _extract_text()
was still written against the pre-0.20 payload shape:
* message.text changed from dict {content: ...} → TextContent object.
The old code's str(text) fallback produced 'TextContent(content=...)'
as the agent's input, so every received message came in mangled.
* rich_text moved from message.rich_text (list) to
message.rich_text_content.rich_text_list.
This preserves legacy fallbacks (dict-shaped text, bare rich_text list)
while handling the current SDK layout via hasattr(text, 'content').
Adds regression tests covering:
* webhook domain allowlist (api.*, oapi.*, and hostile lookalikes)
* _IncomingHandler.process is a coroutine function
* _extract_text against TextContent object, dict, rich_text_content,
legacy rich_text, and empty-message cases
Also adds kevinskysunny to scripts/release.py AUTHOR_MAP (release CI
blocks unmapped emails).
dingtalk.py: The session_webhook URL from incoming DingTalk messages is POSTed to
without any origin validation (line 290), enabling SSRF attacks via crafted webhook
URLs (e.g. http://169.254.169.254/ to reach cloud metadata). Add a regex check
that only accepts the official DingTalk API origin (https://api.dingtalk.com/).
Also cap _session_webhooks dict at 500 entries with FIFO eviction to prevent
unbounded memory growth from long-running gateway instances.
api_server.py: The X-Hermes-Session-Id request header is accepted and echoed back
into response headers (lines 675, 697) without sanitization. A session ID
containing \r\n enables HTTP response splitting / header injection. Add a check
that rejects session IDs containing control characters (\r, \n, \x00).
Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
check_dingtalk_requirements() used 'and' to check for missing env vars:
if not CLIENT_ID and not CLIENT_SECRET: return False
This only returns False when BOTH are missing. If only one is set
(e.g. CLIENT_ID without CLIENT_SECRET), the check passes and
connect() fails later with a cryptic error.
Fix: Change 'and' to 'or' so it returns False when EITHER is missing.
Add DingTalk as a messaging platform using the dingtalk-stream SDK
for real-time message reception via Stream Mode (no webhook needed).
Replies are sent via session webhook using markdown format.
Features:
- Stream Mode connection (long-lived WebSocket, no public URL needed)
- Text and rich text message support
- DM and group chat support
- Message deduplication with 5-minute window
- Auto-reconnection with exponential backoff
- Session webhook caching for reply routing
Configuration:
export DINGTALK_CLIENT_ID=your-app-key
export DINGTALK_CLIENT_SECRET=your-app-secret
# or in config.yaml:
platforms:
dingtalk:
enabled: true
extra:
client_id: your-app-key
client_secret: your-app-secret
Files:
- gateway/platforms/dingtalk.py (340 lines) — adapter implementation
- gateway/config.py — add DINGTALK to Platform enum
- gateway/run.py — add DingTalk to _create_adapter
- hermes_cli/config.py — add env vars to _EXTRA_ENV_KEYS
- hermes_cli/tools_config.py — add dingtalk to PLATFORMS
- tests/gateway/test_dingtalk.py — 21 tests
