def main(args=None):
parser = cli_utils.add_parser_options(
description='Validate collection signature',
default_server=DEFAULT_SERVER,
default_bucket=DEST_BUCKET,
default_collection=DEST_COLLECTION)
args = parser.parse_args(args)
client = cli_utils.create_client_from_args(args)
# 1. Grab collection information
dest_col = client.get_collection()
# 2. Grab records
records = list(client.get_records(_sort='-last_modified'))
timestamp = client.get_records_timestamp()
# 3. Serialize
serialized = canonical_json(records, timestamp)
# 4. Compute the hash
computed_hash = compute_hash(serialized)
# 5. Grab the signature
signature = dest_col['data']['signature']
# 6. Grab the public key
with open('pub', 'w') as f:
f.write(signature['public_key'])
# 7. Verify the signature matches the hash
signer = ECDSASigner(public_key='pub')
try:
signer.verify(serialized, signature)
print('Signature OK')
except Exception:
print('Signature KO. Computed hash: %s' % computed_hash)
raise
def main(args=None):
parser = cli_utils.add_parser_options(
description='Validate collection signature',
default_server=DEFAULT_SERVER,
default_bucket=DEST_BUCKET,
default_collection=DEST_COLLECTION)
args = parser.parse_args(args)
client = cli_utils.create_client_from_args(args)
# 1. Grab collection information
dest_col = client.get_collection()
# 2. Grab records
records = list(client.get_records(_sort='-last_modified'))
timestamp = client.get_records_timestamp()
# 3. Serialize
serialized = canonical_json(records, timestamp)
# 4. Compute the hash
computed_hash = compute_hash(serialized)
# 5. Grab the signature
signature = dest_col['data']['signature']
# 6. Grab the public key
with open('pub', 'w') as f:
f.write(signature['public_key'])
# 7. Verify the signature matches the hash
signer = ECDSASigner(public_key='pub')
try:
signer.verify(serialized, signature)
print('Signature OK')
except Exception:
print('Signature KO. Computed hash: %s' % computed_hash)
raise
def test_compute_hash():
assert compute_hash("un-bateau") == compute_hash("un-bateau")
expected_hash = ("YofMiNkvyRoLAc/jCwKEgC3krpYFrsC0fzbrtecT4AigzZo"
"6BEoHvu2wiLpKfW81")
assert compute_hash("sont-dans-un-bateau") == expected_hash
def main():
args = _get_args()
client = Client(server_url=args.server,
auth=tuple(args.auth.split(':')),
bucket=args.source_bucket,
collection=args.source_col)
if args.editor_auth is None:
args.editor_auth = args.auth
if args.reviewer_auth is None:
args.reviewer_auth = args.auth
editor_client = Client(server_url=args.server,
auth=tuple(args.editor_auth.split(':')),
bucket=args.source_bucket,
collection=args.source_col)
reviewer_client = Client(server_url=args.server,
auth=tuple(args.reviewer_auth.split(':')),
bucket=args.source_bucket,
collection=args.source_col)
# 0. initialize source bucket/collection (if necessary)
server_info = client.server_info()
editor_id = editor_client.server_info()['user']['id']
reviewer_id = reviewer_client.server_info()['user']['id']
print('Server: {0}'.format(args.server))
print('Author: {user[id]}'.format(**server_info))
print('Editor: {0}'.format(editor_id))
print('Reviewer: {0}'.format(reviewer_id))
# 0. check that this collection is well configured.
signer_capabilities = server_info['capabilities']['signer']
to_review_enabled = signer_capabilities.get('to_review_enabled', False)
group_check_enabled = signer_capabilities.get('group_check_enabled', False)
resources = [
r for r in signer_capabilities['resources']
if (args.source_bucket, args.source_col) == (r['source']['bucket'],
r['source']['collection'])
]
assert len(resources) > 0, 'Specified source not configured to be signed'
resource = resources[0]
if to_review_enabled and 'preview' in resource:
print(
'Signoff: {source[bucket]}/{source[collection]} => {preview[bucket]}/{preview[collection]} => {destination[bucket]}/{destination[collection]}'
.format(**resource))
else:
print(
'Signoff: {source[bucket]}/{source[collection]} => {destination[bucket]}/{destination[collection]}'
.format(**resource))
print('Group check: {0}'.format(group_check_enabled))
print('Review workflow: {0}'.format(to_review_enabled))
print('_' * 80)
bucket = client.create_bucket(if_not_exists=True)
client.patch_bucket(permissions={
'write': [editor_id, reviewer_id] + bucket['permissions']['write']
},
if_match=bucket['data']['last_modified'],
safe=True)
client.create_collection(if_not_exists=True)
if args.reset:
client.delete_records()
existing = 0
else:
existing_records = client.get_records()
existing = len(existing_records)
if group_check_enabled:
editors_group = signer_capabilities['editors_group']
client.create_group(editors_group,
data={'members': [editor_id]},
if_not_exists=True)
reviewers_group = signer_capabilities['reviewers_group']
client.create_group(reviewers_group,
data={'members': [reviewer_id]},
if_not_exists=True)
dest_client = Client(server_url=args.server,
bucket=resource['destination']['bucket'],
collection=resource['destination']['collection'])
preview_client = None
if to_review_enabled and 'preview' in resource:
preview_bucket = resource['preview']['bucket']
preview_collection = resource['preview']['collection']
preview_client = Client(server_url=args.server,
bucket=preview_bucket,
collection=preview_collection)
# 1. upload data
print('Author uploads 20 random records')
records = upload_records(client, 20)
# 2. ask for a signature
# 2.1 ask for review (noop on old versions)
print('Editor asks for review')
data = {"status": "to-review"}
editor_client.patch_collection(data=data)
# 2.2 check the preview collection (if enabled)
if preview_client:
print('Check preview collection')
preview_records = preview_client.get_records()
expected = existing + 20
assert len(preview_records) == expected, '%s != %s records' % (
len(preview_records), expected)
metadata = preview_client.get_collection()['data']
preview_signature = metadata.get('signature')
assert preview_signature, 'Preview collection not signed'
preview_timestamp = collection_timestamp(preview_client)
# 2.3 approve the review
print('Reviewer approves and triggers signature')
data = {"status": "to-sign"}
reviewer_client.patch_collection(data=data)
# 3. upload more data
print('Author creates 20 others records')
upload_records(client, 20)
print('Editor updates 5 random records')
for toupdate in random.sample(records, 5):
editor_client.patch_record(dict(newkey=_rand(10), **toupdate))
print('Author deletes 5 random records')
for todelete in random.sample(records, 5):
client.delete_record(todelete['id'])
expected = existing + 20 + 20 - 5
# 4. ask again for a signature
# 2.1 ask for review (noop on old versions)
print('Editor asks for review')
data = {"status": "to-review"}
editor_client.patch_collection(data=data)
# 2.2 check the preview collection (if enabled)
if preview_client:
print('Check preview collection')
preview_records = preview_client.get_records()
assert len(preview_records) == expected, '%s != %s records' % (
len(preview_records), expected)
# Diff size is 20 + 5 if updated records are also all deleted,
# or 30 if deletions and updates apply to different records.
diff_since_last = preview_client.get_records(_since=preview_timestamp)
assert 25 <= len(
diff_since_last
) <= 30, 'Changes since last signature are not consistent'
metadata = preview_client.get_collection()['data']
assert preview_signature != metadata[
'signature'], 'Preview collection not updated'
# 2.3 approve the review
print('Reviewer approves and triggers signature')
data = {"status": "to-sign"}
reviewer_client.patch_collection(data=data)
# 5. wait for the result
# 6. obtain the destination records and serialize canonically.
records = list(dest_client.get_records())
assert len(records) == expected, '%s != %s records' % (len(records),
expected)
timestamp = collection_timestamp(dest_client)
serialized = canonical_json(records, timestamp)
print('Hash is %r' % compute_hash(serialized))
# 7. get back the signed hash
dest_col = dest_client.get_collection()
signature = dest_col['data']['signature']
with open('pub', 'w') as f:
f.write(signature['public_key'])
# 8. verify the signature matches the hash
signer = ECDSASigner(public_key='pub')
try:
signer.verify(serialized, signature)
print('Signature OK')
except Exception:
print('Signature KO')
raise
def main():
args = _get_args()
client = Client(server_url=args.server, auth=tuple(args.auth.split(':')),
bucket=args.source_bucket,
collection=args.source_col)
if args.editor_auth is None:
args.editor_auth = args.auth
if args.reviewer_auth is None:
args.reviewer_auth = args.auth
editor_client = Client(server_url=args.server,
auth=tuple(args.editor_auth.split(':')),
bucket=args.source_bucket,
collection=args.source_col)
reviewer_client = Client(server_url=args.server,
auth=tuple(args.reviewer_auth.split(':')),
bucket=args.source_bucket,
collection=args.source_col)
# 0. initialize source bucket/collection (if necessary)
server_info = client.server_info()
editor_id = editor_client.server_info()['user']['id']
reviewer_id = reviewer_client.server_info()['user']['id']
print('Server: {0}'.format(args.server))
print('Author: {user[id]}'.format(**server_info))
print('Editor: {0}'.format(editor_id))
print('Reviewer: {0}'.format(reviewer_id))
# 0. check that this collection is well configured.
signer_capabilities = server_info['capabilities']['signer']
resources = [r for r in signer_capabilities['resources']
if (args.source_bucket, args.source_col) == (r['source']['bucket'], r['source']['collection']) or
(args.source_bucket, None) == (r['source']['bucket'], r['source']['collection'])]
assert len(resources) > 0, 'Specified source not configured to be signed'
resource = resources[0]
if 'preview' in resource:
print('Signoff: {source[bucket]}/{source[collection]} => {preview[bucket]}/{preview[collection]} => {destination[bucket]}/{destination[collection]}'.format(**resource))
else:
print('Signoff: {source[bucket]}/{source[collection]} => {destination[bucket]}/{destination[collection]}'.format(**resource))
print('_' * 80)
bucket = client.create_bucket(if_not_exists=True)
client.create_collection(permissions={'write': [editor_id, reviewer_id] + bucket['permissions']['write']}, if_not_exists=True)
editors_group = resource.get('editors_group') or signer_capabilities['editors_group']
editors_group = editors_group.format(collection_id=args.source_col)
client.patch_group(id=editors_group, data={'members': [editor_id]})
reviewers_group = resource.get('reviewers_group') or signer_capabilities['reviewers_group']
reviewers_group = reviewers_group.format(collection_id=args.source_col)
client.patch_group(id=reviewers_group, data={'members': [reviewer_id]})
if args.reset:
client.delete_records()
existing = 0
else:
existing_records = client.get_records()
existing = len(existing_records)
dest_col = resource['destination'].get('collection') or args.source_col
dest_client = Client(server_url=args.server,
bucket=resource['destination']['bucket'],
collection=dest_col)
preview_client = None
if 'preview' in resource:
preview_bucket = resource['preview']['bucket']
preview_collection = resource['preview'].get('collection') or args.source_col
preview_client = Client(server_url=args.server,
bucket=preview_bucket,
collection=preview_collection)
# 1. upload data
print('Author uploads 20 random records')
records = upload_records(client, 20)
# 2. ask for a signature
# 2.1 ask for review (noop on old versions)
print('Editor asks for review')
data = {"status": "to-review"}
editor_client.patch_collection(data=data)
# 2.2 check the preview collection (if enabled)
if preview_client:
print('Check preview collection')
preview_records = preview_client.get_records()
expected = existing + 20
assert len(preview_records) == expected, '%s != %s records' % (len(preview_records), expected)
metadata = preview_client.get_collection()['data']
preview_signature = metadata.get('signature')
assert preview_signature, 'Preview collection not signed'
preview_timestamp = preview_client.get_records_timestamp()
# 2.3 approve the review
print('Reviewer approves and triggers signature')
data = {"status": "to-sign"}
reviewer_client.patch_collection(data=data)
# 3. upload more data
print('Author creates 20 others records')
upload_records(client, 20)
print('Editor updates 5 random records')
for toupdate in random.sample(records, 5):
editor_client.patch_record(data=dict(newkey=_rand(10), **toupdate))
print('Author deletes 5 random records')
for todelete in random.sample(records, 5):
client.delete_record(id=todelete['id'])
expected = existing + 20 + 20 - 5
# 4. ask again for a signature
# 2.1 ask for review (noop on old versions)
print('Editor asks for review')
data = {"status": "to-review"}
editor_client.patch_collection(data=data)
# 2.2 check the preview collection (if enabled)
if preview_client:
print('Check preview collection')
preview_records = preview_client.get_records()
assert len(preview_records) == expected, '%s != %s records' % (len(preview_records), expected)
# Diff size is 20 + 5 if updated records are also all deleted,
# or 30 if deletions and updates apply to different records.
diff_since_last = preview_client.get_records(_since=preview_timestamp)
assert 25 <= len(diff_since_last) <= 30, 'Changes since last signature are not consistent'
metadata = preview_client.get_collection()['data']
assert preview_signature != metadata['signature'], 'Preview collection not updated'
# 2.3 approve the review
print('Reviewer approves and triggers signature')
data = {"status": "to-sign"}
reviewer_client.patch_collection(data=data)
# 5. wait for the result
# 6. obtain the destination records and serialize canonically.
records = list(dest_client.get_records())
assert len(records) == expected, '%s != %s records' % (len(records), expected)
timestamp = dest_client.get_records_timestamp()
serialized = canonical_json(records, timestamp)
print('Hash is %r' % compute_hash(serialized))
# 7. get back the signed hash
signature = dest_client.get_collection()['data']['signature']
with open('pub', 'w') as f:
f.write(signature['public_key'])
# 8. verify the signature matches the hash
signer = ECDSASigner(public_key='pub')
try:
signer.verify(serialized, signature)
print('Signature OK')
except Exception:
print('Signature KO')
raise
