signtool.py: add python script to build releases

Author: Delphier

.gitignore

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+Downloads/
+Releases/

signtool.bat

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+python signtool.py
+pause

signtool.py

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+from pathlib import Path
+import urllib.request
+import json
+import shutil
+import subprocess
+
+DOWNLOADS = Path("Downloads")
+RELEASES = Path("Releases")
+
+def download(url):
+	with urllib.request.urlopen(url) as resp:
+		return resp.read()
+
+# super crappy msi format parser just to find required .cab files
+def get_msi_cabs(msi):
+	index = 0
+	while True:
+		index = msi.find(b".cab", index+4)
+		if index < 0:
+			return
+		yield msi[index-32:index+4].decode("ascii")
+
+def get_sub_dirs(path):
+	return [x for x in path.iterdir() if x.is_dir()]
+
+MANIFEST_URL = "https://aka.ms/vs/17/release/channel"
+print("Checking Visual Studio Manifest...")
+chman = json.loads(download(MANIFEST_URL))
+vsman_url = chman["channelItems"][0]["payloads"][0]["url"]
+license = chman["channelItems"][1]["localizedResources"][0]["license"]
+vsman = json.loads(download(vsman_url))
+packages = vsman["packages"]
+
+version = ""
+payloads = []
+for i in range(len(packages)-1, -1, -1):
+	if packages[i]["id"].startswith("Win11SDK_10.0."):	
+		version = packages[i]["version"]
+		payloads = packages[i]["payloads"]
+		break
+
+def download_payload(filename):
+	for p in payloads:
+		if p["fileName"] == "Installers\\" + filename:
+			data = download(p["url"])
+			with open(DOWNLOADS / filename, "wb") as file:
+				file.write(data)
+			return data			
+
+yes = input(f"Do you accept Microsoft Visual Studio license: {license} [Y/N] ? ")
+if yes.upper() not in ["", "YES", "Y"]:
+	exit(0)
+
+MSI_FILENAME = "Windows SDK Signing Tools-x86_en-us.msi"
+print(f"Downloading {MSI_FILENAME}...")
+DOWNLOADS.mkdir(exist_ok=True)
+msi = download_payload(MSI_FILENAME)			
+cabs = get_msi_cabs(msi)
+for cab in cabs:
+	download_payload(cab)
+
+print(f"Unpacking {MSI_FILENAME}...")
+ARCHIVES = DOWNLOADS / "Archives"
+shutil.rmtree(ARCHIVES, ignore_errors=True)
+subprocess.run(["msiexec.exe", "/a", DOWNLOADS / MSI_FILENAME, "/quiet", "/qn", f"TARGETDIR={ARCHIVES.resolve()}"])
+
+print(f"Creating Zip in {RELEASES.resolve()}...")
+SDK = get_sub_dirs(ARCHIVES / "Windows Kits/10/bin")[0]
+ARCHS = get_sub_dirs(SDK)
+for arch in ARCHS:
+	shutil.make_archive(RELEASES / f"SignTool-{version}-{arch.name}", "zip", arch)
+
+print("Done!")