Cheng Zhou
d5279b124f
Storage Persistence Guard / storage-persistence-audit (push) Has been cancelled
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Client Quality Gates / macOS Desktop (push) Has been cancelled
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176 lines
5.4 KiB
Python
176 lines
5.4 KiB
Python
"""Canonical map metadata for monitoring source locations.
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ip2region provides administrative names but no coordinates. This module keeps
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the normalization and centroid contract on the server so web and desktop
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clients render the same location semantics.
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"""
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from __future__ import annotations
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from dataclasses import dataclass
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from app.services.ip_location import IpLocation
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@dataclass(frozen=True)
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class GeoLocationMetadata:
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country: str
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country_code: str
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region_code: str
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longitude: float | None
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latitude: float | None
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accuracy_level: str
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COUNTRY_ALIASES = {
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"中国": "China",
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"China": "China",
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"Mainland China": "China",
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"中国香港": "China",
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"中国澳门": "China",
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"中国台湾": "China",
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"美国": "United States",
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"United States": "United States",
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"United States of America": "United States",
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"USA": "United States",
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"土耳其": "Türkiye",
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"Turkey": "Türkiye",
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"Türkiye": "Türkiye",
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}
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COUNTRY_CODES = {
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"China": "CN",
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"United States": "US",
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"Netherlands": "NL",
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"Türkiye": "TR",
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"Australia": "AU",
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"Japan": "JP",
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"Singapore": "SG",
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"Germany": "DE",
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"France": "FR",
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"United Kingdom": "GB",
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"Canada": "CA",
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"India": "IN",
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"Russia": "RU",
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}
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COUNTRY_CENTROIDS = {
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"China": (104.1954, 35.8617),
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"United States": (-95.7129, 37.0902),
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"Netherlands": (5.2913, 52.1326),
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"Türkiye": (35.2433, 38.9637),
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"Australia": (133.7751, -25.2744),
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"Japan": (138.2529, 36.2048),
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"Singapore": (103.8198, 1.3521),
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"Germany": (10.4515, 51.1657),
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"France": (2.2137, 46.2276),
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"United Kingdom": (-3.436, 55.3781),
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"Canada": (-106.3468, 56.1304),
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"India": (78.9629, 20.5937),
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"Russia": (105.3188, 61.524),
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}
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CHINA_REGION_METADATA = {
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"北京市": ("CN-BJ", 116.4074, 39.9042),
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"天津市": ("CN-TJ", 117.2008, 39.0842),
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"河北省": ("CN-HE", 114.5025, 38.0455),
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"山西省": ("CN-SX", 112.5492, 37.857),
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"内蒙古自治区": ("CN-NM", 111.6708, 40.8183),
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"辽宁省": ("CN-LN", 123.4315, 41.8057),
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"吉林省": ("CN-JL", 125.3245, 43.8868),
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"黑龙江省": ("CN-HL", 126.6424, 45.7567),
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"上海市": ("CN-SH", 121.4737, 31.2304),
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"江苏省": ("CN-JS", 118.7633, 32.0617),
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"浙江省": ("CN-ZJ", 120.1551, 30.2741),
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"安徽省": ("CN-AH", 117.2272, 31.8206),
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"福建省": ("CN-FJ", 119.2965, 26.0745),
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"江西省": ("CN-JX", 115.8582, 28.682),
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"山东省": ("CN-SD", 117.1201, 36.6512),
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"河南省": ("CN-HA", 113.6254, 34.7466),
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"湖北省": ("CN-HB", 114.3055, 30.5928),
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"湖南省": ("CN-HN", 112.9388, 28.2282),
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"广东省": ("CN-GD", 113.2644, 23.1291),
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"广西壮族自治区": ("CN-GX", 108.3669, 22.817),
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"海南省": ("CN-HI", 110.3312, 20.0311),
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"重庆": ("CN-CQ", 106.5516, 29.563),
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"重庆市": ("CN-CQ", 106.5516, 29.563),
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"四川省": ("CN-SC", 104.0665, 30.5723),
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"贵州省": ("CN-GZ", 106.6302, 26.647),
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"云南省": ("CN-YN", 102.8329, 24.8801),
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"西藏自治区": ("CN-XZ", 91.1322, 29.6604),
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"陕西省": ("CN-SN", 108.9398, 34.3416),
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"甘肃省": ("CN-GS", 103.8343, 36.0611),
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"青海省": ("CN-QH", 101.7782, 36.6171),
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"宁夏回族自治区": ("CN-NX", 106.2309, 38.4872),
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"新疆维吾尔自治区": ("CN-XJ", 87.6168, 43.8256),
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"台湾省": ("CN-TW", 121.5654, 25.033),
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"香港特别行政区": ("CN-HK", 114.1694, 22.3193),
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"澳门特别行政区": ("CN-MO", 113.5439, 22.1987),
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}
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CITY_CENTROIDS = {
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"南京": (118.7969, 32.0603),
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"南京市": (118.7969, 32.0603),
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"San Jose": (-121.8863, 37.3382),
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"South Holland": (4.493, 52.0208),
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"Istanbul": (28.9784, 41.0082),
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}
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def resolve_geo_location_metadata(location: IpLocation) -> GeoLocationMetadata:
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if location.location in {"局域网", "本机"}:
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return GeoLocationMetadata(
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country="",
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country_code="PRIVATE",
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region_code="PRIVATE",
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longitude=None,
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latitude=None,
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accuracy_level="private",
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)
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country = COUNTRY_ALIASES.get(location.country, location.country)
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country_code = COUNTRY_CODES.get(country, "")
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city_coordinate = CITY_CENTROIDS.get(location.city)
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if city_coordinate:
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return GeoLocationMetadata(
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country=country,
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country_code=country_code,
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region_code="",
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longitude=city_coordinate[0],
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latitude=city_coordinate[1],
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accuracy_level="city",
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)
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region_metadata = CHINA_REGION_METADATA.get(location.province)
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if country in {"China", "中国"} and region_metadata:
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region_code, longitude, latitude = region_metadata
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return GeoLocationMetadata(
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country="China",
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country_code="CN",
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region_code=region_code,
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longitude=longitude,
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latitude=latitude,
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accuracy_level="region",
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)
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country_coordinate = COUNTRY_CENTROIDS.get(country)
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if country_coordinate:
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return GeoLocationMetadata(
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country=country,
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country_code=country_code,
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region_code="",
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longitude=country_coordinate[0],
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latitude=country_coordinate[1],
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accuracy_level="country",
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)
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return GeoLocationMetadata(
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country=country,
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country_code=country_code,
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region_code="",
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longitude=None,
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latitude=None,
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accuracy_level="unknown",
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)
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