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Fix null added/modified fields in webhook payload

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Gitea's test delivery sends null instead of empty arrays for
added/modified commit fields, causing a TypeError on concatenation.
Also removes temporary debug logging.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Spencer
2026-03-14 22:49:00 -05:00
parent 3ee1d55584
commit f0ada815c0
1 changed files with 3 additions and 9 deletions
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12
app.py
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@@ -11,7 +11,7 @@ import gitea_client
import processor import processor
logging.basicConfig( logging.basicConfig(
level=logging.DEBUG, level=logging.INFO,
format="%(asctime)s [%(levelname)s] %(name)s: %(message)s", format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
) )
logger = logging.getLogger(__name__) logger = logging.getLogger(__name__)
@@ -25,17 +25,11 @@ def _verify_signature(payload: bytes, signature_header: str | None) -> bool:
Gitea sends X-Gitea-Signature as a raw hex digest (no scheme prefix). Gitea sends X-Gitea-Signature as a raw hex digest (no scheme prefix).
""" """
if not signature_header: if not signature_header:
logger.warning("Signature verification failed: no signature header received")
return False return False
expected = hmac.new( expected = hmac.new(
config.WEBHOOK_SECRET.encode(), payload, hashlib.sha256 config.WEBHOOK_SECRET.encode(), payload, hashlib.sha256
).hexdigest() ).hexdigest()
logger.debug("Received signature: %s", signature_header.strip()) return hmac.compare_digest(expected, signature_header.strip())
logger.debug("Expected signature: %s", expected)
match = hmac.compare_digest(expected, signature_header.strip())
if not match:
logger.warning("Signature mismatch — check WEBHOOK_SECRET matches the secret set in Gitea")
return match
def _handle_push(owner: str, repo: str, changed_files: list[str]) -> None: def _handle_push(owner: str, repo: str, changed_files: list[str]) -> None:
@@ -76,7 +70,7 @@ def webhook():
seen: set[str] = set() seen: set[str] = set()
changed_files: list[str] = [] changed_files: list[str] = []
for commit in data.get("commits", []): for commit in data.get("commits", []):
for path in commit.get("added", []) + commit.get("modified", []): for path in (commit.get("added") or []) + (commit.get("modified") or []):
if path not in seen: if path not in seen:
seen.add(path) seen.add(path)
changed_files.append(path) changed_files.append(path)