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Merge remote-tracking branch 'origin/wj' into wilm

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benjamin.baker
2026-09-19 14:40:46 -04:00
parent 32f4ccdd48 bd6e736798
commit 8d6e5db347
58 changed files with 37493 additions and 6385 deletions
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32
shopdb/config.py
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@@ -185,6 +185,22 @@ class Config:
AUTH_RATELIMIT_WINDOW_SECONDS = int(
os.environ.get('AUTH_RATELIMIT_WINDOW_SECONDS', 300))
# Swagger UI "try it" page at /api/docs/try, beside the read-only Redoc
# page at /api/docs. One spec, two renderers.
#
# Off unless a site turns it on, and that is the point rather than caution:
# Swagger UI's Execute button fires a REAL request at THIS server from the
# operator's browser, carrying whatever session that browser already holds.
# On a production box that is a one-click way to POST against live fleet
# data from a page anyone can open. Redoc, which cannot send anything, stays
# the default and is always on.
#
# When off the routes are never bound at all, so /api/docs/try is Flask's
# own 404 and the Redoc page does not mention it. See
# shopdb/core/api/docs.py.
API_DOCS_TRYIT_ENABLED = os.environ.get(
'API_DOCS_TRYIT_ENABLED', 'false').lower() == 'true'
DEFAULT_PAGE_SIZE = 20
MAX_PAGE_SIZE = 100
@@ -214,6 +230,12 @@ class DevelopmentConfig(Config):
DEBUG = True
SQLALCHEMY_ECHO = True
# On in development: firing the request is the whole reason a developer
# opens the API docs. Still read from the environment, so a shared dev
# instance can turn it back off without editing this file.
API_DOCS_TRYIT_ENABLED = os.environ.get(
'API_DOCS_TRYIT_ENABLED', 'true').lower() == 'true'
SQLALCHEMY_DATABASE_URI = os.environ.get(
'DATABASE_URL',
'mysql+pymysql://root:changeme@127.0.0.1:3306/shopdb_flask',
@@ -234,6 +256,16 @@ class TestingConfig(Config):
# xdist distribution, so the failure moves around. The tests that are about
# the limiter turn it on themselves.
ENDPOINTS_ENROLL_RATELIMIT_ENABLED = False
# Off, and stated here rather than inherited, because a test suite that
# silently ran with it on would be testing a configuration no site ships.
# The session-wide app in tests/conftest.py is what
# tests/test_core/test_public_read_surface.py sweeps for ungated GET
# routes, and the try-it page plus its two vendored assets are
# deliberately unauthenticated. Keeping the default here means that sweep
# keeps describing what production actually exposes; the tests that ARE
# about the page build their own app with the flag on
# (tests/test_core/test_api_docs_tryit.py).
API_DOCS_TRYIT_ENABLED = False
SQLALCHEMY_DATABASE_URI = 'sqlite:///:memory:'
SQLALCHEMY_ENGINE_OPTIONS = {
'connect_args': {'check_same_thread': False},

245
shopdb/core/api/docs.py
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@@ -4,11 +4,21 @@ Served at /api/docs (relative to the mount). The Redoc bundle is vendored in
staticdocs/ so this works fully offline on the air-gapped prod box - no CDN.
The spec is docs/openapi.json in the repo (regenerate with
scripts/gen_openapi.py after API changes).
Two renderers over ONE spec. Redoc is read-only by design and is the default,
because what is published is a contract. Swagger UI at /api/docs/try adds the
one thing Redoc will not do: fire a real request from the page, against this
server, with whatever session the browser is already carrying. That is its
whole value and the whole reason it is off unless a site turns it on - see
API_DOCS_TRYIT_ENABLED in shopdb/config.py.
"""
import json
import os
from flask import Blueprint, Response, send_file, url_for
from markupsafe import escape
from flask import Blueprint, Response, current_app, request, send_file, url_for
docs_bp = Blueprint('docs', __name__)
@@ -19,32 +29,168 @@ _SPEC = os.path.join(_REPO_ROOT, 'docs', 'openapi.json')
_LLMS = os.path.join(_REPO_ROOT, 'docs', 'llms.txt')
_REDOC = os.path.join(_HERE, 'staticdocs', 'redoc.standalone.js')
# Vendored from swagger-ui-dist 5.33.0. TWO files out of the ~30 in that dist,
# because those are the two the page below actually loads:
# swagger-ui.css - the stylesheet. Its images are inline data: URIs,
# so it pulls nothing else. The trailing
# sourceMappingURL comment was stripped: the .map
# is not vendored, and left in place it turns every
# devtools open into a 404 on a box with no
# internet to fall back on.
# swagger-ui-bundle.min.js - the renderer plus the core presets, self-
# contained. NOT vendored beside it:
# swagger-ui-standalone-preset.js (the topbar with
# the "load any spec URL" box - this page serves
# one spec on purpose), the ES bundles (module
# builds of the same code), the .map files (~10 MB
# of source maps that only devtools reads),
# oauth2-redirect.html (no OAuth flow here), and
# the favicons.
# The upstream name is swagger-ui-bundle.js; the vendored copy carries .min.js,
# which is what it is - a minified single-line build. That suffix is also what
# scripts/check-naming-and-style.sh already filters vendored bundles by, so the
# style gate does not report thousands of hits in code nobody here wrote.
# swagger-ui.LICENSE.txt is the Apache-2.0 text that ships with the dist. It is
# never served; it is here because redistributing the bundle requires it.
_SWAGGER_CSS = os.path.join(_HERE, 'staticdocs', 'swagger-ui.css')
_SWAGGER_JS = os.path.join(_HERE, 'staticdocs', 'swagger-ui-bundle.min.js')
_TRYIT_ENDPOINT = 'docs.swagger_tryit'
def _tryit_is_mounted():
"""True when the try-it page exists on THIS app.
Reads the url map rather than the config flag on purpose: the routes are
bound once, at blueprint registration, so a config value changed after boot
would have the Redoc page advertise a link that answers 404.
"""
return _TRYIT_ENDPOINT in current_app.view_functions
@docs_bp.route('/', strict_slashes=False)
def docs_index():
"""Redoc page. url_for keeps the asset URLs correct under any mount."""
spec_url = url_for('docs.openapi_spec')
redoc_url = url_for('docs.redoc_js')
# Mentioned only when it is actually there. An unconditional note would be
# an advert for a 404 on every box that ships the shipped default.
tryit_note = ''
if _tryit_is_mounted():
tryit_note = (
'<p class="docs-note">'
'This page is read-only. To send a real request against this '
'server, use <a href="%s">the try-it view</a>.</p>'
% url_for(_TRYIT_ENDPOINT)
)
# DARK MODE. Redoc does not read prefers-color-scheme on its own, and
# the <redoc spec-url> element takes no theme - so the page goes through
# Redoc.init instead, which does. The app has a dark theme and this was
# the one page that stayed white when the rest of the site went dark.
#
# The page RE-INITIALISES when the OS scheme flips rather than restyling:
# Redoc bakes its colours into styled-components at init, so a CSS
# override reaches the chrome and misses the content.
page = (
'<!doctype html><html><head>'
'<title>ShopDB API</title>'
'<meta charset="utf-8">'
'<meta name="viewport" content="width=device-width, initial-scale=1">'
'<style>body{margin:0;padding:0}</style></head><body>'
'<redoc spec-url="%s"></redoc>'
'<style>'
':root{color-scheme:light dark}'
'body{margin:0;padding:0;background:#fff}'
'.docs-note{font:14px/1.4 system-ui,sans-serif;margin:0;'
'padding:10px 16px;background:#eef2f7;color:#0f172a;'
'border-bottom:1px solid #cbd5e1}'
'.docs-note a{color:#1d4ed8}'
'@media (prefers-color-scheme: dark){'
'body{background:#0f172a}'
'.docs-note{background:#1e293b;color:#e2e8f0;'
'border-bottom-color:#334155}'
'.docs-note a{color:#7dd3fc}'
'}'
'</style></head><body>'
'%s'
'<div id="redoc"></div>'
'<script src="%s"></script>'
'</body></html>' % (spec_url, redoc_url)
'<script>'
'var SPEC = %s;'
# Redoc computes text and the right-hand sample panel from the
# background and gets both wrong on a dark one, so they are named
# rather than left to it.
'var DARK={colors:{primary:{main:"#7dd3fc"},'
'text:{primary:"#e2e8f0",secondary:"#94a3b8"},'
'border:{dark:"#334155",light:"#1e293b"}},'
'sidebar:{backgroundColor:"#111827",textColor:"#e2e8f0",'
'activeTextColor:"#7dd3fc"},'
'rightPanel:{backgroundColor:"#020617",textColor:"#e2e8f0"},'
'codeBlock:{backgroundColor:"#0b1220"},'
'schema:{nestedBackground:"#0b1220"},'
'typography:{fontFamily:"system-ui,sans-serif",'
'code:{color:"#e2e8f0",backgroundColor:"#0b1220"}}};'
'var LIGHT={colors:{primary:{main:"#1d4ed8"}},'
'typography:{fontFamily:"system-ui,sans-serif"}};'
'var q=window.matchMedia("(prefers-color-scheme: dark)");'
'function draw(){'
'document.getElementById("redoc").innerHTML="";'
'Redoc.init(SPEC,{theme:q.matches?DARK:LIGHT},'
'document.getElementById("redoc"));'
'}'
'draw();'
# addEventListener is missing from MediaQueryList in older WebViews,
# and a shop-floor kiosk browser is exactly where this gets read.
'if(q.addEventListener){q.addEventListener("change",draw);}'
'else if(q.addListener){q.addListener(draw);}'
'</script>'
'</body></html>' % (tryit_note, redoc_url, json.dumps(spec_url))
)
return Response(page, mimetype='text/html')
_SPEC_CACHE = {}
def _spec_with_server():
"""The generated spec, with `servers` set to where this instance is mounted.
THE MOUNT IS A DEPLOYMENT FACT, NOT A BUILD FACT. gen_openapi.py writes
servers: [{"url": "/"}] because it cannot know where the app will be hung,
and wsgi.py moves MOUNT_PATH from PATH_INFO into SCRIPT_NAME at runtime. So
an instance under /shopdb served a spec whose paths start at /api, and both
renderers dutifully built https://host/api/apitokens - a URL that 404s.
Anyone who copied it out of the docs page got a broken call, and Swagger's
try-it fired at the wrong place.
request.script_root is the runtime answer: '' for a root install, '/shopdb'
under the subpath method, and correct behind a proxy that sets the prefix.
The file is ~1 MB, so it is parsed once and cached by mtime; each request
gets a shallow copy with only `servers` replaced, which keeps two requests
on different mounts from racing on one dict.
"""
stamp = os.path.getmtime(_SPEC)
if _SPEC_CACHE.get('stamp') != stamp:
with open(_SPEC, 'r', encoding='utf-8') as handle:
_SPEC_CACHE['spec'] = json.load(handle)
_SPEC_CACHE['stamp'] = stamp
root = request.script_root or ''
spec = dict(_SPEC_CACHE['spec'])
spec['servers'] = [{
'url': root or '/',
'description': 'this instance',
}]
return spec
@docs_bp.route('/openapi.json')
def openapi_spec():
"""The generated OpenAPI 3.1 spec (machine + LLM readable)."""
if not os.path.isfile(_SPEC):
return Response('{"error":"openapi.json not generated"}',
status=404, mimetype='application/json')
return send_file(_SPEC, mimetype='application/json')
return Response(json.dumps(_spec_with_server()),
mimetype='application/json')
@docs_bp.route('/redoc.standalone.js')
@@ -59,3 +205,92 @@ def llms_txt():
if not os.path.isfile(_LLMS):
return Response('llms.txt not found', status=404, mimetype='text/plain')
return send_file(_LLMS, mimetype='text/plain')
def swagger_tryit():
"""Swagger UI over the SAME spec the Redoc page renders.
Every URL on the page comes from url_for, so the spec and both assets stay
same-origin and correct under a mount path (prod runs under /shopdb).
"""
spec_url = url_for('docs.openapi_spec')
css_url = url_for('docs.swagger_css')
js_url = url_for('docs.swagger_js')
redoc_page_url = url_for('docs.docs_index')
page = (
'<!doctype html><html><head>'
'<title>ShopDB API - try it</title>'
'<meta charset="utf-8">'
'<meta name="viewport" content="width=device-width, initial-scale=1">'
'<link rel="stylesheet" href="%(css)s">'
'<style>body{margin:0;padding:0}'
'.tryit-warn{font:14px/1.4 system-ui,sans-serif;background:#7f1d1d;'
'color:#fff;margin:0;padding:10px 16px}'
'.tryit-warn a{color:#fff}</style>'
'</head><body>'
'<p class="tryit-warn"><b>Execute sends a real request to this '
'server</b>, as whoever is signed in on this browser. A write '
'operation changes live data. The read-only contract is at '
'<a href="%(redoc)s">/api/docs</a>.</p>'
'<div id="swagger-ui"></div>'
'<script src="%(js)s"></script>'
'<script>\n'
'window.ui = SwaggerUIBundle({\n'
# json.dumps, NOT a bare "%s". SCRIPT_NAME is proxy-controlled and
# ProxyFix honours X-Forwarded-Prefix, so a mount path carrying a quote
# closed this string literal and executed what followed: SCRIPT_NAME of
# /a"+alert(1)+" rendered url: "/a"+alert(1)+"/api/docs/openapi.json".
# Escaping it as JSON is what makes the value data rather than code.
' url: %(spec)s,\n'
' dom_id: "#swagger-ui",\n'
' presets: [SwaggerUIBundle.presets.apis],\n'
' layout: "BaseLayout",\n'
' deepLinking: true,\n'
' filter: true,\n'
# 573 operations. Expanded by default, the page spends many seconds
# laying out before it answers a scroll.
' docExpansion: "none",\n'
' withCredentials: true,\n'
# THE air-gap setting. Left unset, Swagger UI renders a "valid" badge
# by handing this spec to the public swagger validator - an outbound
# request that cannot succeed here, and that would ship the internal
# API surface off the box if it ever could.
' validatorUrl: null\n'
'});\n'
'</script>'
'</body></html>'
% {'css': escape(css_url), 'js': escape(js_url),
'spec': json.dumps(spec_url),
'redoc': escape(redoc_page_url)}
)
return Response(page, mimetype='text/html')
def swagger_css():
"""Vendored Swagger UI stylesheet (offline)."""
return send_file(_SWAGGER_CSS, mimetype='text/css')
def swagger_js():
"""Vendored Swagger UI bundle (offline)."""
return send_file(_SWAGGER_JS, mimetype='application/javascript')
@docs_bp.record_once
def _mount_tryit(state):
"""Bind the try-it routes only when the flag is on for this app.
Binding at registration rather than checking the flag inside the view, so
that when it is off the routes DO NOT EXIST: the URL gets Flask's own 404
and confirms nothing, and the unauthenticated-GET sweep in
tests/test_core/test_public_read_surface.py never has to make an exception
for three routes that are only meant to be reachable on a dev box.
"""
if not state.app.config.get('API_DOCS_TRYIT_ENABLED'):
return
state.add_url_rule('/try', endpoint='swagger_tryit',
view_func=swagger_tryit, strict_slashes=False)
state.add_url_rule('/swagger-ui.css', endpoint='swagger_css',
view_func=swagger_css)
state.add_url_rule('/swagger-ui-bundle.min.js', endpoint='swagger_js',
view_func=swagger_js)

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shopdb/core/api/staticdocs/swagger-ui.LICENSE.txt Normal file
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@@ -0,0 +1,202 @@
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