def _validate_by_service_async(service, config_set, path, content, ctx):
"""Validates a config with an external service."""
try:
metadata = yield services.get_metadata_async(service.id)
except services.DynamicMetadataError as ex:
logging.error("Could not load dynamic metadata for %s: %s", service.id, ex)
return
assert metadata and metadata.validation
url = metadata.validation.url
if not url:
return
match = False
for p in metadata.validation.patterns:
# TODO(nodir): optimize if necessary.
if validation.compile_pattern(p.config_set)(config_set) and validation.compile_pattern(p.path)(path):
match = True
break
if not match:
return
res = None
def report_error(text):
text = ("Error during external validation: %s\n" "url: %s\n" "config_set: %s\n" "path: %s\n" "response: %r") % (
text,
url,
config_set,
path,
res,
)
logging.error(text)
ctx.critical(text)
try:
req = {"config_set": config_set, "path": path, "content": base64.b64encode(content)}
res = yield net.json_request_async(url, method="POST", payload=req, scopes=net.EMAIL_SCOPE)
except net.Error as ex:
report_error("Net error: %s" % ex)
return
try:
for msg in res.get("messages", []):
if not isinstance(msg, dict):
report_error("invalid response: message is not a dict: %r" % msg)
continue
severity = msg.get("severity") or "INFO"
if severity not in service_config_pb2.ValidationResponseMessage.Severity.keys():
report_error("invalid response: unexpected message severity: %s" % severity)
continue
# It is safe because we've validated |severity|.
func = getattr(ctx, severity.lower())
func(msg.get("text") or "")
except Exception as ex:
report_error(ex)
def test_compile_pattern(self):
self.assertTrue(validation.compile_pattern('abc')('abc'))
self.assertTrue(validation.compile_pattern('text:abc')('abc'))
self.assertFalse(validation.compile_pattern('text:abc')('abcd'))
self.assertTrue(validation.compile_pattern('regex:abc')('abc'))
self.assertTrue(validation.compile_pattern('regex:\w+')('abc'))
self.assertTrue(validation.compile_pattern('regex:^(\w+)c$')('abc'))
self.assertFalse(validation.compile_pattern('regex:\d+')('a123b'))
def test_compile_pattern(self):
self.assertTrue(validation.compile_pattern('abc')('abc'))
self.assertTrue(validation.compile_pattern('text:abc')('abc'))
self.assertFalse(validation.compile_pattern('text:abc')('abcd'))
self.assertTrue(validation.compile_pattern('regex:abc')('abc'))
self.assertTrue(validation.compile_pattern('regex:\w+')('abc'))
self.assertTrue(validation.compile_pattern('regex:^(\w+)c$')('abc'))
self.assertFalse(validation.compile_pattern('regex:\d+')('a123b'))
def _validate_by_service_async(service, config_set, path, content, ctx):
"""Validates a config with an external service."""
try:
metadata = yield services.get_metadata_async(service.id)
except services.DynamicMetadataError as ex:
logging.error('Could not load dynamic metadata for %s: %s', service.id,
ex)
return
assert metadata and metadata.validation
url = metadata.validation.url
if not url:
return
match = False
for p in metadata.validation.patterns:
# TODO(nodir): optimize if necessary.
if (validation.compile_pattern(p.config_set)(config_set)
and validation.compile_pattern(p.path)(path)):
match = True
break
if not match:
return
res = None
def report_error(text):
text = ('Error during external validation: %s\n'
'url: %s\n'
'config_set: %s\n'
'path: %s\n'
'response: %r') % (text, url, config_set, path, res)
logging.error(text)
ctx.critical(text)
try:
req = {
'config_set': config_set,
'path': path,
'content': base64.b64encode(content),
}
res = yield net.json_request_async(url,
method='POST',
payload=req,
scopes=net.EMAIL_SCOPE)
except net.Error as ex:
report_error('Net error: %s' % ex)
return
try:
for msg in res.get('messages', []):
if not isinstance(msg, dict):
report_error('invalid response: message is not a dict: %r' %
msg)
continue
severity = msg.get('severity') or 'INFO'
if (severity not in service_config_pb2.ValidationResponseMessage.
Severity.keys()):
report_error(
'invalid response: unexpected message severity: %s' %
severity)
continue
# It is safe because we've validated |severity|.
func = getattr(ctx, severity.lower())
func(msg.get('text') or '')
except Exception as ex:
report_error(ex)
def _validate_by_service_async(service, config_set, path, content, ctx):
"""Validates a config with an external service.
Validation results will be stored in the validation context.
Args:
service (service_config_pb2.Service): service to be validated against.
config_set (str): config set being validated.
path (str): path of the config file being validated.
content (str): byte-form of the content of the file being validated.
ctx (validation.Context): context in which validation messages
will be stored.
"""
try:
metadata = yield services.get_metadata_async(service.id)
except services.DynamicMetadataError as ex:
logging.error('Could not load dynamic metadata for %s: %s', service.id, ex)
return
assert metadata and metadata.validation
url = metadata.validation.url
if not url:
return
match = False
for p in metadata.validation.patterns:
# TODO(nodir): optimize if necessary.
if (validation.compile_pattern(p.config_set)(config_set) and
validation.compile_pattern(p.path)(path)):
match = True
break
if not match:
return
res = None
def report_error(text):
text = (
'Error during external validation: %s\n'
'url: %s\n'
'config_set: %s\n'
'path: %s\n'
'response: %r') % (text, url, config_set, path, res)
logging.error(text)
ctx.critical('%s', text)
try:
req = {
'config_set': config_set,
'path': path,
'content': base64.b64encode(content),
}
res = yield net.json_request_async(
url, method='POST', payload=req, scopes=net.EMAIL_SCOPE)
except net.Error as ex:
report_error('Net error: %s' % ex)
return
try:
for msg in res.get('messages', []):
if not isinstance(msg, dict):
report_error('invalid response: message is not a dict: %r' % msg)
continue
severity = msg.get('severity') or 'INFO'
# validation library for Go services sends severity as an integer
# corresponding to Python's logging severity level.
if severity in (logging.DEBUG, logging.INFO, logging.WARNING,
logging.ERROR, logging.CRITICAL):
severity = logging.getLevelName(severity)
if (severity not in
service_config_pb2.ValidationResponseMessage.Severity.keys()):
report_error(
'invalid response: unexpected message severity: %r' % severity)
continue
# It is safe because we've validated |severity|.
func = getattr(ctx, severity.lower())
func('%s', msg.get('text') or '')
except Exception as ex:
report_error(ex)
def _validate_by_service_async(service, config_set, path, content, ctx):
"""Validates a config with an external service."""
try:
metadata = yield services.get_metadata_async(service.id)
except services.DynamicMetadataError as ex:
logging.error('Could not load dynamic metadata for %s: %s', service.id, ex)
return
assert metadata and metadata.validation
url = metadata.validation.url
if not url:
return
match = False
for p in metadata.validation.patterns:
# TODO(nodir): optimize if necessary.
if (validation.compile_pattern(p.config_set)(config_set) and
validation.compile_pattern(p.path)(path)):
match = True
break
if not match:
return
res = None
def report_error(text):
text = (
'Error during external validation: %s\n'
'url: %s\n'
'config_set: %s\n'
'path: %s\n'
'response: %r') % (text, url, config_set, path, res)
logging.error(text)
ctx.critical(text)
try:
req = {
'config_set': config_set,
'path': path,
'content': base64.b64encode(content),
}
res = yield net.json_request_async(
url, method='POST', payload=req, scopes=net.EMAIL_SCOPE)
except net.Error as ex:
report_error('Net error: %s' % ex)
return
try:
for msg in res.get('messages', []):
if not isinstance(msg, dict):
report_error('invalid response: message is not a dict: %r' % msg)
continue
severity = msg.get('severity') or 'INFO'
if (severity not in
service_config_pb2.ValidationResponseMessage.Severity.keys()):
report_error(
'invalid response: unexpected message severity: %s' % severity)
continue
# It is safe because we've validated |severity|.
func = getattr(ctx, severity.lower())
func(msg.get('text') or '')
except Exception as ex:
report_error(ex)
