partial python ssikit stub and test code
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src/requirements.txt
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3
src/requirements.txt
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requests
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json
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pytest
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132
src/ssikit.py
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132
src/ssikit.py
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import requests
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import json
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CUSTODIAN = 'http://localhost:7002'
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SIGNATORY = 'http://localhost:7001'
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AUDITOR = 'http://localhost:7003'
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CORE = 'http://localhost:7000'
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ESSIF = 'http://localhost:7004'
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PROOF_TYPE = 'LD_PROOF' # Specifies the format and cryptographic algorithm used for the digital signature of the Verifiable Credential. E.g. LD_PROOF
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STATUS_TYPE = 'StatusList2021Entry' # Specifies if the credential should be issued with status and the type of the status. Options StatusList2021Entry or SimpleCredentialStatus2022
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jsonheaders = {
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'Content-Type': 'application/json', # specify the type of data you're sending
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'Accept': 'application/json', # specify the type of data you can accept
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}
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jsontextheaders = {
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'Content-Type': 'application/json', # specify the type of data you're sending
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'Accept': 'text/plain', # specify the type of data you can accept
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}
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def check_backend_service():
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url = f'{CUSTODIAN}/'
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try:
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response = requests.get(url)
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# response.raise_for_status()
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except requests.exceptions.RequestException:
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raise ImportError("Local backend service not responding")
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# check_backend_service()
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def debug_http():
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import logging
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# internet search:
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# These two lines enable debugging at httplib level (requests->urllib3->http.client)
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# You will see the REQUEST, including HEADERS and DATA, and RESPONSE with HEADERS but without DATA.
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# The only thing missing will be the response.body which is not logged.
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try:
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import http.client as http_client
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except ImportError:
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# Python 2
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import httplib as http_client
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http_client.HTTPConnection.debuglevel = 1
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# You must initialize logging, otherwise you'll not see debug output.
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logging.basicConfig()
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logging.getLogger().setLevel(logging.DEBUG)
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requests_log = logging.getLogger("requests.packages.urllib3")
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requests_log.setLevel(logging.DEBUG)
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requests_log.propagate = True
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def create_did(method):
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url = f'{CUSTODIAN}/did/create'
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data = {
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'method': method
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}
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response = requests.post(url, json=data, headers=jsonheaders)
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return response.text
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#return response.status_code
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# print(create_did('key'))
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issuer_id = 'did:key:z6MkjAkDgMGxBFbAvUP5snkhz9WDDVQ5uVDwHR88ykAiMfNF'
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subject_id = 'did:key:z6MkjtArtcgMSgV8aBdbFCFETqhFanLVRXcQPs7BeXyF5wdL'
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default_alg = 'EdDSA_Ed25519'
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def generate_key(alg=default_alg):
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url = f'{CUSTODIAN}/keys/generate'
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data = {
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'keyAlgorithm': alg
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}
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# print(data)
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response = requests.post(url, json=data, headers=jsonheaders)
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return response.json()
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#return response.status_code
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# print('generate_key: ' + json.dumps(generate_key()))
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def list_templates():
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url = f'{SIGNATORY}/v1/templates'
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response = requests.get(url, headers=jsonheaders)
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#print(response.status_code)
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return response.text
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# print(list_templates())
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def import_template(id, template):
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url = f'{SIGNATORY}/v1/templates/' + id
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response = requests.post(url, json=json.loads(template), headers=jsontextheaders)
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print(response.text)
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return response.status_code
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#return response.text
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default_template='EmployeeID'
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# print('Import template: ', import_template('EmployeeID','{"type":["VerifiableCredential","EmployeeID"],"credentialSubject":{"id":"","name":"","role":"","joiningDate":""}}'))
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def issue_vc(issuer, subject, template, cdata):
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url = f'{SIGNATORY}/v1/credentials/issue'
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jls_extract_var = cdata
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body = {
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'templateId': template,
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'config': {
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'issuerDid': issuer,
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'subjectDid': subject,
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'proofType': PROOF_TYPE,
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'statusType': STATUS_TYPE
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},
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'credentialData': cdata
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}
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print(body)
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response = requests.post(url, json=body, headers=jsonheaders)
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return response.json()
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#return response.text
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default_cdata = json.loads('{"name":"Emma","role":"Engineer","joiningDate":"2023-06-28"}')
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# {'templateId': 'EmployeeID', 'config': {'issuerDid': 'did:key:z6MkjAkDgMGxBFbAvUP5snkhz9WDDVQ5uVDwHR88ykAiMfNF', 'subjectDid': 'did:key:z6MkjtArtcgMSgV8aBdbFCFETqhFanLVRXcQPs7BeXyF5wdL', 'proofType': 'LD_PROOF', 'statusType': 'StatusList2021Entry'}, 'credentialData': {'name': 'Emma', 'role': 'Engineer', 'joiningDate': '2023-06-28'}}
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# print('Issue VC: ', json.dumps(issue_vc(issuer_id, subject_id, default_template, default_cdata)))
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# Note: issue when generating the credential, returns revocation and credential has some errors
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if __name__ == "__main__":
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check_backend_service()
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print("Main: Check comments for testing calls")
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else:
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check_backend_service()
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13
src/test_ssikit.py
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13
src/test_ssikit.py
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import pytest
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from ssikit import create_did
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import re
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# 'did:key:z6MkjtArtcgMSgV8aBdbFCFETqhFanLVRXcQPs7BeXyF5wdL'
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def test_create_did():
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pattern = r"did:.*:[a-zA-Z0-9]+"
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result = create_did('key')
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assert result.startswith("did:")
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#assert re.match(result,'^did:[a-zA-Z]+:[a-zA-Z0-9]+') is not None
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#test_create_did()
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