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Marc-André Bombeck
77ace106b3
The session cookie is SameSite=Lax, and SameSite compares the registrable domain, so a page on a sibling subdomain of the instance could send a CORS-simple POST with the person's cookie attached. safeJson accepted any Content-Type containing "application/json", so a text/plain body that mentions it in a parameter, which needs no preflight, was parsed as the person's own request: readings added, entries deleted, integrations disconnected, a delegate invited within the re-proof window. apiHandler now refuses a POST, PUT, PATCH or DELETE before authentication when the browser marks it Sec-Fetch-Site same-site or cross-site, or, from a browser that sends no fetch metadata, when its Origin names a host other than the one the request went to or APP_URL. A request with an Authorization header, or with neither header (the phone app, scripts, webhook senders), is unaffected, as are the webhook and URL-credential routes that authenticate with their own secret. The JSON media type is compared exactly, with parameters allowed, in safeJson and in every route that branched on a substring of it.
docs/ — internal reference + operator playbooks
The user-facing documentation lives at https://docs.healthlog.dev — that's the canonical surface for self-hosting guides, integration walkthroughs, AI-provider setup, and the doctor-report workflow.
The files in this directory are the internal operator playbooks, audit notes, and machine-readable specs that ship alongside the source:
api/— the OpenAPI 3.1 spec for the native-client subset (iOS DTO codegen target). Seeapi/README.mdfor the preview commands. Also home to the MCP-server contract:api/mcp-capabilities.md(tools, resources, prompts, write model) andapi/mcp-skills.md(building a connector / skill).ops/— operator runbooks: deploy, backup / restore, encryption-key rotation, password reset and account recovery, env checks, TLS pinning, data repair. These are what an operator reaches for during an incident.self-hosting/— horizontal-scaling notes (HEALTHLOG_PROCESS_TYPE=web|worker|all) and the deploy-pipeline recipe. Routine install steps stay ondocs.healthlog.dev. Includesself-hosting/mcp.md— enabling the off-by-default MCP connector and pointing Claude.ai / ChatGPT / Claude Desktop at it, andself-hosting/sso.md— OIDC SSO login: IdP setup, the identity-pinning security model,OIDC_ONLYconsequences, and the break-glass runbook. Alsoself-hosting/geolite2.md— bringing your own offline GeoLite2 databases viaGEOLITE2_DIRinstead of sending login IPs to a third-party lookup. Andself-hosting/account-sharing.md— letting one account on the instance open another's health record: the three access levels, the eight sections a grant can be narrowed to, managed profiles for somebody with no login and the guardians who look after them, what revocation does and does not undo, and which trust properties of the instance are unchanged by any of it. Andself-hosting/support.md— reporting a problem: error ids, the support info every account can copy, the operator's redacted support report, and finding an error in the admin log.using/— notes on using the app that sit close to the code.using/search.mdcovers the command palette's record search: opening it, what it finds, how matching works, and its limits on very large and shared records.migration/— migration notes. Currently only v1.3 to v1.4; later releases are covered byCHANGELOG.mdand https://docs.healthlog.dev.integrations/— per-integration reference (Withings, Fitbit, Google Health, WHOOP, Apple Health, AI providers, data import).adr/— architecture decision records.security/— threat-model notes.diagrams/— architecture diagrams rendered through docs.healthlog.dev.releases/— release imagery.apple-store-connect-checklist.md— the iOS submission gate.codex-protocol-spec.md— Codex / ChatGPT OAuth protocol reverse-engineering notes.contributing/ui-standards.md— the binding UI standards: card anatomy, spacing, text colour, tokens and which primitive to use where. Read before touching any surface.contributing/benchmarks.md— the large-account benchmark (latency and statements per request) and the statement budgets on the hot routes.contributing/testing.md— which suite a test belongs in, the route test kit, the integration database, sharding, property and mutation tests, and the flaky-test quarantine.ui-guidelines.md— UI / a11y house style; where it disagrees with the UI standards, the standards win.
If you're a self-hoster looking to spin up an instance, start at https://docs.healthlog.dev or jump to the Quick Start in the project README.