add support for CyberArk Conjur (API v5)

awx/main/credential_plugins/conjur.py

@@ -0,0 +1,92 @@
+from .plugin import CredentialPlugin
+
+import base64
+import io
+from urllib.parse import urljoin, quote_plus
+
+from django.utils.translation import ugettext_lazy as _
+import requests
+
+
+conjur_inputs = {
+    'fields': [{
+        'id': 'url',
+        'label': _('Conjur URL'),
+        'type': 'string',
+    }, {
+        'id': 'api_key',
+        'label': _('API Key'),
+        'type': 'string',
+        'secret': True,
+    }, {
+        'id': 'account',
+        'label': _('Account'),
+        'type': 'string',
+    }, {
+        'id': 'username',
+        'label': _('Username'),
+        'type': 'string',
+    }, {
+        'id': 'cacert',
+        'label': _('Public Key Certificate'),
+        'type': 'string',
+        'multiline': True
+    }],
+    'metadata': [{
+        'id': 'secret_path',
+        'label': _('Secret Identifier'),
+        'type': 'string',
+        'help_text': _('The identifier for the secret e.g., /some/identifier'),
+    }, {
+        'id': 'secret_version',
+        'label': _('Secret Version'),
+        'type': 'string',
+        'help_text': _('Used to specify a specific secret version (if left empty, the latest version will be used).'),
+    }],
+    'required': ['url', 'api_key', 'account', 'username'],
+}
+
+
+def conjur_backend(raw, **kwargs):
+    url = kwargs['url']
+    api_key = kwargs['api_key']
+    account = quote_plus(kwargs['account'])
+    username = quote_plus(kwargs['username'])
+    secret_path = quote_plus(kwargs['secret_path'])
+    version = kwargs.get('secret_version')
+    cert = io.StringIO()
+    cert.write(kwargs.get('cacert', ''))
+
+    # https://www.conjur.org/api.html#authentication-authenticate-post
+    resp = requests.post(
+        urljoin(url, '/'.join(['authn', account, username, 'authenticate'])),
+        headers={'Content-Type': 'text/plain'},
+        data=api_key,
+        verify=cert
+    )
+    resp.raise_for_status()
+    token = base64.b64encode(resp.content).decode('utf-8')
+
+    # https://www.conjur.org/api.html#secrets-retrieve-a-secret-get
+    path = urljoin(url, '/'.join([
+        'secrets',
+        account,
+        'variable',
+        secret_path
+    ]))
+    if version:
+        path = '?'.join([path, version])
+    resp = requests.get(
+        path,
+        headers={'Authorization': 'Token token="{}"'.format(token)},
+        verify=cert
+    )
+    resp.raise_for_status()
+    return resp.text
+
+
+conjur_plugin = CredentialPlugin(
+    'CyberArk Conjur Secret Lookup',
+    inputs=conjur_inputs,
+    backend=conjur_backend
+)