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maximize safe Cloudflare edge caching

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This commit is contained in:
2569718930@qq.com
2026-06-10 20:04:33 +08:00
parent 05ec1fd993
commit e085333a03
3 changed files with 92 additions and 49 deletions
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scripts/configure_cloudflare_free.py
+59 -16
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@@ -22,24 +22,50 @@ API_BASE = "https://api.cloudflare.com/client/v4"
MANAGED_RULE_REF_PREFIX = "polyweather_free_cache_"
PHASE = "http_request_cache_settings"
PUBLIC_CACHE_EXPRESSION = """(
STATIC_CACHE_EXPRESSION = """(
http.host eq "polyweather.top"
and http.request.method in {"GET" "HEAD"}
and (
starts_with(http.request.uri.path, "/_next/static/")
or lower(http.request.uri.path.extension) in {
"js" "css" "woff" "woff2" "png" "jpg" "jpeg" "webp" "avif" "svg" "ico"
}
)
)"""
PUBLIC_PAGES_EXPRESSION = """(
http.host eq "polyweather.top"
and http.request.method in {"GET" "HEAD"}
and (
http.request.uri.path eq "/"
or starts_with(http.request.uri.path, "/_next/static/")
or starts_with(http.request.uri.path, "/docs/")
or starts_with(http.request.uri.path, "/modern/")
or starts_with(http.request.uri.path, "/probabilities/")
or starts_with(http.request.uri.path, "/subscription-help/")
or http.request.uri.path eq "/api/cities"
or http.request.uri.path eq "/api/cities/detail-batch"
)
)"""
CITIES_EXPRESSION = """(
http.host eq "polyweather.top"
and http.request.method in {"GET" "HEAD"}
and http.request.uri.path eq "/api/cities"
)"""
CITY_DETAIL_EXPRESSION = """(
http.host eq "polyweather.top"
and http.request.method in {"GET" "HEAD"}
and (
http.request.uri.path eq "/api/cities/detail-batch"
or starts_with(http.request.uri.path, "/api/city/")
or http.request.uri.path eq "/api/scan/terminal"
)
)"""
SCAN_EXPRESSION = """(
http.host eq "polyweather.top"
and http.request.method in {"GET" "HEAD"}
and (
http.request.uri.path eq "/api/scan/terminal"
or http.request.uri.path eq "/api/system/status"
or lower(http.request.uri.path.extension) in {
"js" "css" "woff" "woff2" "png" "jpg" "jpeg" "webp" "avif" "svg" "ico"
}
)
)"""
@@ -80,16 +106,33 @@ def _compact_expression(expression: str) -> str:
return " ".join(line.strip() for line in expression.splitlines() if line.strip())
def _cache_rule(ref: str, description: str, expression: str, ttl: int | None = None) -> Dict[str, Any]:
action_parameters: Dict[str, Any] = {"cache": True}
if ttl is not None:
action_parameters["edge_ttl"] = {
"mode": "respect_origin",
"status_code_ttl": [
{"status_code_range": {"from": 200, "to": 299}, "value": ttl},
{"status_code_range": {"from": 300}, "value": 0},
],
}
return {
"ref": f"{MANAGED_RULE_REF_PREFIX}{ref}",
"description": description,
"expression": _compact_expression(expression),
"action": "set_cache_settings",
"action_parameters": action_parameters,
"enabled": True,
}
def build_managed_cache_rules() -> List[Dict[str, Any]]:
return [
{
"ref": f"{MANAGED_RULE_REF_PREFIX}public",
"description": "PolyWeather: cache public pages, assets, and public data APIs",
"expression": _compact_expression(PUBLIC_CACHE_EXPRESSION),
"action": "set_cache_settings",
"action_parameters": {"cache": True},
"enabled": True,
},
_cache_rule("static", "PolyWeather: cache immutable static assets for one year", STATIC_CACHE_EXPRESSION, 31536000),
_cache_rule("pages", "PolyWeather: cache public pages for ten minutes", PUBLIC_PAGES_EXPRESSION, 600),
_cache_rule("cities", "PolyWeather: cache the public city list for five minutes", CITIES_EXPRESSION, 300),
_cache_rule("city_detail", "PolyWeather: cache public city detail when the origin allows it", CITY_DETAIL_EXPRESSION),
_cache_rule("scan", "PolyWeather: cache scan and system status when the origin allows it", SCAN_EXPRESSION),
{
"ref": f"{MANAGED_RULE_REF_PREFIX}bypass",
"description": "PolyWeather: bypass backend, sensitive, realtime, and force-refresh requests",