49 lines
1.9 KiB
Python
Executable file
49 lines
1.9 KiB
Python
Executable file
#!/usr/bin/env nix-shell
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#! nix-shell -i python -p python3
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import json
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import xml.etree.ElementTree as ET
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import hashlib
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from urllib.request import urlopen
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from os.path import abspath, dirname
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JSON_PATH = dirname(abspath(__file__)) + '/extensions.json'
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JSON_OUT_PATH = dirname(abspath(__file__)) + '/extensions/extensions-generated.json'
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with open(JSON_PATH, 'r') as f:
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exts = json.load(f)
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for ext in exts:
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print(f"updating {ext['name']}")
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if ext["updateMethod"] == "github":
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with urlopen(ext["updateUrl"]) as r:
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latest = json.load(r)[0]
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for asset in latest["assets"]:
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if asset["browser_download_url"].endswith(".crx"):
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ext["url"] = asset["browser_download_url"]
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break
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with urlopen(ext["url"]) as blob:
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sha256 = hashlib.new("SHA256")
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if blob.status == 200:
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size, n = 0, 16384
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buf = bytearray(n)
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while n != 0:
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n = blob.readinto(buf)
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size += n
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if n>0:
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sha256.update(buf[:n])
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ext["sha256"] = sha256.hexdigest().lower()
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ext["version"] = latest["tag_name"].lstrip("v")
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elif ext["updateMethod"] == "google":
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resp = urlopen(f"https://clients2.google.com/service/update2/crx?response=updatecheck&acceptformat=crx2,crx3&prodversion=89.0.0.0&x=id%3D{ext['id']}%26uc")
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xml = resp.read()
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xmltree = ET.fromstring(xml)
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app = xmltree.find("{http://www.google.com/update2/response}app").find("{http://www.google.com/update2/response}updatecheck")
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latest = app.attrib
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ext["url"] = latest["codebase"]
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ext["sha256"] = latest["hash_sha256"]
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ext["version"] = latest["version"]
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with open(JSON_OUT_PATH, 'w') as out:
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json.dump(exts, out, indent=2)
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