wip download simulators

scripts/download_and_verify_simlators.py

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+# Copyright 2024 Shift Crypto AG
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+import requests
+import gnupg
+
+# Constants
+GITHUB_API_URL = "https://api.github.com"
+REPO_OWNER = "BitBoxSwiss"
+REPO_NAME = "bitbox02-firmware"
+TAG_PREFIX = "firmware/"
+DOWNLOAD_DIR = "downloads"
+
+# [email protected] pubkey
+PUB_KEY = '''
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+
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+=0krM
+-----END PGP PUBLIC KEY BLOCK-----
+'''
+
+# Initialize GPG
+gpg = gnupg.GPG()
+
+def import_public_key(pub_key):
+    result = gpg.import_keys(pub_key)
+    if result.count == 0:
+        raise Exception("Failed to import public key")
+
+def download_file(url, dest_path):
+    if os.path.isfile(dest_path):
+        print(f"File already exists, skipping. {dest_path}")
+        return
+    response = requests.get(url)
+    response.raise_for_status()
+    with open(dest_path, 'wb') as f:
+        f.write(response.content)
+
+def verify_signature(sig_path, file_path):
+    with open(sig_path, 'rb') as sig_file:
+        verified = gpg.verify_file(sig_file, file_path)
+        if not verified:
+            raise Exception(f"Signature verification failed for {file_path}")
+
+def download_and_verify_assets():
+    # Get list of releases
+    releases_url = f"{GITHUB_API_URL}/repos/{REPO_OWNER}/{REPO_NAME}/releases"
+    response = requests.get(releases_url)
+    response.raise_for_status()
+    releases = response.json()
+
+    if not os.path.exists(DOWNLOAD_DIR):
+        os.makedirs(DOWNLOAD_DIR)
+    for release in releases:
+        if release['tag_name'].startswith(TAG_PREFIX):
+            sig_assets = [asset for asset in release['assets'] if asset['name'].endswith('.asc')]
+            print(f"Found {len(sig_assets)} signatures in release {release['tag_name']}")
+            for asset in sig_assets:
+                asset_url = asset['browser_download_url']
+                asset_name = asset['name']
+                asset_path = os.path.join(DOWNLOAD_DIR, asset_name)
+
+                print(f"Downloading {asset_name} from {asset_url}")
+                download_file(asset_url, asset_path)
+
+                binary_name = asset_name[:-4]
+                binary_path = os.path.join(DOWNLOAD_DIR, binary_name)
+                binary_url = asset_url[:-4]
+                print(f"Downloading {binary_name} from {binary_url}")
+                download_file(binary_url, binary_path)
+
+                print(f"Verifying {asset_name}")
+                verify_signature(asset_path, binary_path)
+
+if __name__ == "__main__":
+    import_public_key(PUB_KEY)
+    download_and_verify_assets()
+    print("Download and verification complete")