cic-stack/apps/cic-ussd/cic_ussd/metadata/phone.py
2021-04-09 13:00:15 +00:00

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# standard imports
import json
import logging
import os
# external imports
import requests
from cic_types.models.person import generate_metadata_pointer
from cic_ussd.metadata import make_request
from cic_ussd.metadata.signer import Signer
# local imports
from cic_ussd.error import MetadataStoreError
from .base import Metadata
logg = logging.getLogger().getChild(__name__)
class PhonePointerMetadata(Metadata):
def __init__(self, identifier: bytes, engine: str):
"""
:param identifier:
:type identifier:
"""
self.headers = {
'X-CIC-AUTOMERGE': 'server',
'Content-Type': 'application/json'
}
self.identifier = identifier
self.metadata_pointer = generate_metadata_pointer(
identifier=self.identifier,
cic_type=':cic.phone'
)
if self.base_url:
self.url = os.path.join(self.base_url, self.metadata_pointer)
self.engine = engine
def create(self, data: str):
try:
data = json.dumps(data).encode('utf-8')
result = make_request(method='POST', url=self.url, data=data, headers=self.headers)
metadata = result.content
logg.debug('data {} meta {} resp {} stats {}'.format(data, metadata, result.reason, result.status_code))
self.edit(data=metadata, engine=self.engine)
result.raise_for_status()
except requests.exceptions.HTTPError as error:
raise MetadataStoreError(error)
def edit(self, data: bytes, engine: str):
"""
:param data:
:type data:
:param engine:
:type engine:
:return:
:rtype:
"""
cic_meta_signer = Signer()
signature = cic_meta_signer.sign_digest(data=data)
algorithm = cic_meta_signer.get_operational_key().get('algo')
decoded_data = data.decode('utf-8')
formatted_data = {
'm': decoded_data,
's': {
'engine': engine,
'algo': algorithm,
'data': signature,
'digest': json.loads(data).get('digest'),
}
}
formatted_data = json.dumps(formatted_data).encode('utf-8')
try:
result = make_request(method='PUT', url=self.url, data=formatted_data, headers=self.headers)
logg.debug(f'signed phone pointer metadata submission status: {result.status_code}.')
result.raise_for_status()
logg.info('phone {} metadata pointer {} set to {}'.format(self.identifier.decode('utf-8'), self.metadata_pointer, decoded_data))
except requests.exceptions.HTTPError as error:
raise MetadataStoreError(error)