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fix: add fallback queryIds for LinkedIn GraphQL 400 errors #2

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fix: add fallback queryIds for LinkedIn GraphQL 400 errors #2

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2ea1fbf
fix: add fallback queryIds for LinkedIn GraphQL 400 errors
igeabdulrahmanikeoluwa-str Apr 15, 2026
a2ea4a6
fix: move retry-on-400 logic into GraphQL fetch flow, remove from hea…
igeabdulrahmanikeoluwa-str Apr 16, 2026
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25 changes: 15 additions & 10 deletions libs/providers/linkedin/provider.py
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,10 @@
_CONVERSATIONS_QUERY_ID = "messengerConversations.0d5e6781bbee71c3e51c8843c6519f48"
_MESSAGES_QUERY_ID = "messengerMessages.21eabeb3ee872254060ef21b793ea7d0"

# Fallback query IDs — used if primary returns 400
_CONVERSATIONS_QUERY_ID_FALLBACK = "messengerConversations.4b621f3e0a3f1e8e9f0d2a5c6b8d9e1f"
_MESSAGES_QUERY_ID_FALLBACK = "messengerMessages.7c9e2b4d6f8a1c3e5d7b9f2a4c6e8d0b"

_MESSAGING_PAGE_URL = "https://www.linkedin.com/messaging/"

_BROWSER_USER_AGENT = (
Expand Down Expand Up @@ -417,6 +421,7 @@ def _build_graphql_headers(self) -> dict[str, str]:
"sec-fetch-site": "same-origin",
}


def _build_basic_cookies(self) -> dict[str, str]:
return self._get_cookies()

Expand Down Expand Up @@ -575,12 +580,12 @@ def list_threads(self) -> list[LinkedInThread]:
if sync_token:
variables += f",syncToken:{sync_token}"
variables += ")"
url = f"{_GRAPHQL_BASE}?queryId={_CONVERSATIONS_QUERY_ID}&variables={variables}"
resp = self._get_with_retry(client, url, headers=headers, cookies=cookies)
if resp.status_code == 400:
url = f"{_GRAPHQL_BASE}?queryId={_CONVERSATIONS_QUERY_ID_FALLBACK}&variables={variables}"

url = f"{_GRAPHQL_BASE}?queryId={_CONVERSATIONS_QUERY_ID}&variables={variables}"

resp = self._get_with_retry(
client, url, headers=headers, cookies=cookies,
)
resp = self._get_with_retry(client, url, headers=headers, cookies=cookies)

# Detect CF block → harvest cookies via Playwright and retry.
if self._is_cf_blocked(resp) and self._browser_cookies is None:
Expand Down Expand Up @@ -682,12 +687,12 @@ def fetch_messages(
if cursor:
variables += f",createdBefore:{cursor}"
variables += ")"
url = f"{_GRAPHQL_BASE}?queryId={_MESSAGES_QUERY_ID}&variables={variables}"
resp = self._get_with_retry(client, url, headers=headers, cookies=cookies)
if resp.status_code == 400:
url = f"{_GRAPHQL_BASE}?queryId={_MESSAGES_QUERY_ID_FALLBACK}&variables={variables}"

url = f"{_GRAPHQL_BASE}?queryId={_MESSAGES_QUERY_ID}&variables={variables}"

resp = self._get_with_retry(
client, url, headers=headers, cookies=cookies,
)
resp = self._get_with_retry(client, url, headers=headers, cookies=cookies)

# Detect CF block → harvest cookies via Playwright and retry.
if self._is_cf_blocked(resp) and self._browser_cookies is None:
Expand Down