Implement policy snippets
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WeebDataHoarder
@@ -1,138 +1,27 @@
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# Example cmdline (forward requests from upstream to port :8080)
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# $ go-away --bind :8080 --backend site.example.com=http://site:3000 --policy examples/generic.yml --challenge-template anubis
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# $ go-away --bind :8080 --backend site.example.com=http://site:3000 --policy examples/generic.yml --policy-snippets example/snippets/ --challenge-template anubis
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# Define networks to be used later below
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networks:
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googlebot:
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- url: https://developers.google.com/static/search/apis/ipranges/googlebot.json
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jq-path: '(.prefixes[] | select(has("ipv4Prefix")) | .ipv4Prefix), (.prefixes[] | select(has("ipv6Prefix")) | .ipv6Prefix)'
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bingbot:
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- url: https://www.bing.com/toolbox/bingbot.json
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jq-path: '(.prefixes[] | select(has("ipv4Prefix")) | .ipv4Prefix), (.prefixes[] | select(has("ipv6Prefix")) | .ipv6Prefix)'
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qwantbot:
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- url: https://help.qwant.com/wp-content/uploads/sites/2/2025/01/qwantbot.json
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jq-path: '(.prefixes[] | select(has("ipv4Prefix")) | .ipv4Prefix), (.prefixes[] | select(has("ipv6Prefix")) | .ipv6Prefix)'
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duckduckbot:
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- url: https://duckduckgo.com/duckduckgo-help-pages/results/duckduckbot
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regex: "<li><div>(?P<prefix>[0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+)</div></li>"
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yandexbot:
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# todo: detected as bot
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# - url: https://yandex.com/ips
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# regex: "<span>(?P<prefix>(([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+)|([0-9a-f:]+::))/[0-9]+)[ \\\\t]*</span><br/>"
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- prefixes:
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- "5.45.192.0/18"
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- "5.255.192.0/18"
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- "37.9.64.0/18"
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- "37.140.128.0/18"
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- "77.88.0.0/18"
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- "84.252.160.0/19"
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- "87.250.224.0/19"
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- "90.156.176.0/22"
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- "93.158.128.0/18"
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- "95.108.128.0/17"
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- "141.8.128.0/18"
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- "178.154.128.0/18"
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- "185.32.187.0/24"
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- "2a02:6b8::/29"
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kagibot:
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- url: https://kagi.com/bot
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regex: "\\n(?P<prefix>[0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+) "
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# Networks will get included from snippets
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challenges:
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js-pow-sha256:
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runtime: js
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parameters:
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# needs to be under static folder
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js-loader: load.mjs
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# needs to be under runtime folder
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wasm-runtime: runtime.wasm
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wasm-runtime-settings:
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difficulty: 15
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verify-probability: 0.02
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# Challenges with a cookie, self redirect (non-JS, requires HTTP parsing)
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self-cookie:
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runtime: "cookie"
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# Challenges with a redirect via Link header with rel=preload and early hints (non-JS, requires HTTP parsing, fetching and logic)
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# Works on HTTP/2 and above!
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self-preload-link:
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condition: '"Sec-Fetch-Mode" in headers && headers["Sec-Fetch-Mode"] == "navigate"'
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runtime: "preload-link"
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parameters:
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preload-early-hint-deadline: 3s
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# Challenges with a redirect via Refresh header (non-JS, requires HTTP parsing and logic)
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self-header-refresh:
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runtime: "refresh"
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parameters:
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refresh-via: "header"
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# Challenges with a redirect via Refresh meta (non-JS, requires HTML parsing and logic)
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self-meta-refresh:
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runtime: "refresh"
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parameters:
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refresh-via: "meta"
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# Challenges with loading a random CSS or image document (non-JS, requires HTML parsing and logic)
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self-resource-load:
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runtime: "resource-load"
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dnsbl:
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runtime: dnsbl
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parameters:
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dnsbl-decay: 1h
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dnsbl-timeout: 1s
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# Challenges will get included from snippets
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conditions:
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# Conditions will get replaced on rules AST when found as ($condition-name)
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# Checks to detect a headless chromium via headers only
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is-headless-chromium:
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- 'userAgent.contains("HeadlessChrome") || userAgent.contains("HeadlessChromium")'
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- '"Sec-Ch-Ua" in headers && (headers["Sec-Ch-Ua"].contains("HeadlessChrome") || headers["Sec-Ch-Ua"].contains("HeadlessChromium"))'
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#- '(userAgent.contains("Chrome/") || userAgent.contains("Chromium/")) && (!("Accept-Language" in headers) || !("Accept-Encoding" in headers))'
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is-generic-browser:
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- 'userAgent.startsWith("Mozilla/") || userAgent.startsWith("Opera/")'
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# Conditions will get included from snippets
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is-well-known-asset:
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- 'path == "/robots.txt"'
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- 'path.startsWith("/.well-known")'
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is-static-asset:
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- 'path == "/favicon.ico"'
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- 'path == "/apple-touch-icon.png"'
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- 'path == "/apple-touch-icon-precomposed.png"'
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- 'path.matches("\\.(manifest|ttf|woff|woff2|jpg|jpeg|gif|png|webp|avif|svg|mp4|webm|css|js|mjs|wasm)$")'
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is-generic-robot-ua:
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- 'userAgent.matches("compatible[;)]") && !userAgent.contains("Trident/")'
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- 'userAgent.matches("\\+https?://")'
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- 'userAgent.contains("@")'
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- 'userAgent.matches("[bB]ot/[0-9]")'
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is-tool-ua:
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- 'userAgent.startsWith("python-requests/")'
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- 'userAgent.startsWith("Python-urllib/")'
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- 'userAgent.startsWith("python-httpx/")'
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- 'userAgent.contains("aoihttp/")'
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- 'userAgent.startsWith("http.rb/")'
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- 'userAgent.startsWith("curl/")'
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- 'userAgent.startsWith("Wget/")'
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- 'userAgent.startsWith("libcurl/")'
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- 'userAgent.startsWith("okhttp/")'
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- 'userAgent.startsWith("Java/")'
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- 'userAgent.startsWith("Apache-HttpClient//")'
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- 'userAgent.startsWith("Go-http-client/")'
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- 'userAgent.startsWith("node-fetch/")'
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- 'userAgent.startsWith("reqwest/")'
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is-suspicious-crawler:
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- 'userAgent.contains("Presto/") || userAgent.contains("Trident/")'
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# Old IE browsers
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@@ -203,20 +92,20 @@ rules:
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- name: 1
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action: check
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settings:
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challenges: [self-preload-link, self-resource-load]
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challenges: [preload-link, resource-load]
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- name: 2
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action: check
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settings:
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challenges: [self-header-refresh]
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challenges: [header-refresh]
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- name: desired-crawlers
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conditions:
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- 'userAgent.contains("+https://kagi.com/bot") && remoteAddress.network("kagibot")'
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- '(userAgent.contains("+http://www.google.com/bot.html") || userAgent.contains("Google-PageRenderer") || userAgent.contains("Google-InspectionTool") || userAgent.contains("Googlebot")) && remoteAddress.network("googlebot")'
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- 'userAgent.contains("+http://www.bing.com/bingbot.htm") && remoteAddress.network("bingbot")'
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- 'userAgent.contains("+http://duckduckgo.com/duckduckbot.html") && remoteAddress.network("duckduckbot")'
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- 'userAgent.contains("+https://help.qwant.com/bot/") && remoteAddress.network("qwantbot")'
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- 'userAgent.contains("+http://yandex.com/bots") && remoteAddress.network("yandexbot")'
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- *is-bot-googlebot
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- *is-bot-bingbot
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- *is-bot-duckduckbot
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- *is-bot-kagibot
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- *is-bot-qwantbot
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- *is-bot-yandexbot
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action: pass
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- name: homesite
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@@ -251,14 +140,14 @@ rules:
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- name: plaintext-browser
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action: challenge
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settings:
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challenges: [self-meta-refresh, self-cookie]
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challenges: [meta-refresh, cookie]
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conditions:
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- 'userAgent.startsWith("Lynx/")'
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- name: standard-tools
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action: challenge
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settings:
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challenges: [self-cookie]
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challenges: [cookie]
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conditions:
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- '($is-generic-robot-ua)'
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- '($is-tool-ua)'
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@@ -267,6 +156,6 @@ rules:
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- name: standard-browser
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action: challenge
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settings:
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challenges: [self-preload-link, self-meta-refresh, self-resource-load, js-pow-sha256]
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challenges: [preload-link, meta-refresh, resource-load, js-pow-sha256]
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conditions:
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- '($is-generic-browser)'
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