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server: store virustotal JSON locally as reusable data cache

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This helps with uploading faster when hitting the public API rating
limiting since it will not hit the API if there is already a matching
response on the local filesystem.  This also provides a source of data for
things like repomaker to diplay to users.
This commit is contained in:
Hans-Christoph Steiner 2017-04-12 15:01:21 +02:00
parent d74d6160dd
commit fcb0634eaa
1 changed files with 23 additions and 6 deletions
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27
fdroidserver/server.py
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@ -409,13 +409,21 @@ def upload_to_virustotal(repo_section, vt_apikey):
logging.getLogger("requests").setLevel(logging.WARNING)
if repo_section == 'repo':
if not os.path.exists('virustotal'):
os.mkdir('virustotal')
with open(os.path.join(repo_section, 'index-v1.json')) as fp:
index = json.load(fp)
for packageName, packages in index['packages'].items():
for package in packages:
outputfilename = os.path.join('virustotal',
packageName + '_' + str(package.get('versionCode'))
+ '_' + package['hash'] + '.json')
if os.path.exists(outputfilename):
logging.debug(package['apkName'] + ' results are in ' + outputfilename)
continue
filename = package['apkName']
repofilename = os.path.join(repo_section, filename)
logging.info('Uploading ' + repofilename + ' to virustotal.com')
logging.info('Checking if ' + repofilename + ' is on virustotal')
headers = {
"User-Agent": "F-Droid"
@ -424,15 +432,23 @@ def upload_to_virustotal(repo_section, vt_apikey):
'apikey': vt_apikey,
'resource': package['hash'],
}
download = False
needs_file_upload = False
while True:
r = requests.post('https://www.virustotal.com/vtapi/v2/file/report',
params=params, headers=headers)
if r.status_code == 200:
response = r.json()
if response['response_code'] == 0:
download = True
elif response['positives'] > 0:
needs_file_upload = True
else:
response['filename'] = filename
response['packageName'] = packageName
response['versionCode'] = package.get('versionCode')
response['versionName'] = package.get('versionName')
with open(outputfilename, 'w') as fp:
json.dump(response, fp, indent=2, sort_keys=True)
if response.get('positives') > 0:
logging.warning(repofilename + ' has been flagged by virustotal '
+ str(response['positives']) + ' times:'
+ '\n\t' + response['permalink'])
@ -440,7 +456,8 @@ def upload_to_virustotal(repo_section, vt_apikey):
elif r.status_code == 204:
time.sleep(10) # wait for public API rate limiting
if download:
if needs_file_upload:
logging.info('Uploading ' + repofilename + ' to virustotal')
files = {
'file': (filename, open(repofilename, 'rb'))
}