feat: handle Microsoft Graph subscription validation automatically#17
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nickmarden merged 1 commit intomainfrom Jan 27, 2026
Merged
feat: handle Microsoft Graph subscription validation automatically#17nickmarden merged 1 commit intomainfrom
nickmarden merged 1 commit intomainfrom
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When creating or renewing a Microsoft Graph subscription, Graph sends a validation request with the validationToken as a query parameter and an empty body. Previously this would fail json_field verification since there was no body to parse. Now gatekeeper detects validationToken query params on json_field verifier routes and responds immediately with the token value, bypassing verification. This mirrors how Slack URL verification challenges are handled. This enables Graph webhook subscription setup without backend involvement, which is especially important in relay mode where latency could cause validation timeouts.
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Docker Images BuiltImages are available for testing: # gatekeeperd
docker pull ghcr.io/tight-line/gatekeeperd:pr-17-66f793d
# gatekeeper-relay
docker pull ghcr.io/tight-line/gatekeeper-relay:pr-17-66f793ddocker-compose.ymlGATEKEEPERD_IMAGE=ghcr.io/tight-line/gatekeeperd:pr-17-66f793d \
RELAY_IMAGE=ghcr.io/tight-line/gatekeeper-relay:pr-17-66f793d \
docker-compose --profile relay upHelm (values override)image:
repository: ghcr.io/tight-line/gatekeeperd # or gatekeeper-relay
tag: "pr-17-66f793d"Images expire ~15 days after PR closes. |
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When creating or renewing a Microsoft Graph subscription, Graph sends a validation request with the validationToken as a query parameter and an empty body. Previously this would fail json_field verification since there was no body to parse.
Now gatekeeper detects validationToken query params on json_field verifier routes and responds immediately with the token value, bypassing verification. This mirrors how Slack URL verification challenges are handled.
This enables Graph webhook subscription setup without backend involvement, which is especially important in relay mode where latency could cause validation timeouts.