X-Git-Url: https://osm.etsi.org/gitweb/?p=osm%2FN2VC.git;a=blobdiff_plain;f=n2vc%2Futils.py;h=6e0f2c053a2029b576bba719ae15d20ca8615b1f;hp=e8cf64dac123207f6023ca18ac035ebe9f1840e0;hb=b816d822dcc61a709b22f475085c3f94dceca61d;hpb=c38a696d168531e3c067451044262ef4d78ef11f

diff --git a/n2vc/utils.py b/n2vc/utils.py
index e8cf64d..6e0f2c0 100644
--- a/n2vc/utils.py
+++ b/n2vc/utils.py
@@ -12,11 +12,32 @@
 #     See the License for the specific language governing permissions and
 #     limitations under the License.
 
+import base64
+import re
+import binascii
+import yaml
 from enum import Enum
 from juju.machine import Machine
 from juju.application import Application
 from juju.action import Action
 from juju.unit import Unit
+from n2vc.exceptions import N2VCInvalidCertificate
+
+
+def base64_to_cacert(b64string):
+    """Convert the base64-encoded string containing the VCA CACERT.
+
+    The input string....
+
+    """
+    try:
+        cacert = base64.b64decode(b64string).decode("utf-8")
+
+        cacert = re.sub(r"\\n", r"\n", cacert,)
+    except binascii.Error as e:
+        raise N2VCInvalidCertificate(message="Invalid CA Certificate: {}".format(e))
+
+    return cacert
 
 
 class N2VCDeploymentStatus(Enum):
@@ -100,3 +121,33 @@ DB_DATA = Dict(
         )
     }
 )
+
+
+def obj_to_yaml(obj: object) -> str:
+    """
+    Converts object to yaml format
+    :return: yaml data
+    """
+    # dump to yaml
+    dump_text = yaml.dump(obj, default_flow_style=False, indent=2)
+    # split lines
+    lines = dump_text.splitlines()
+    # remove !!python/object tags
+    yaml_text = ""
+    for line in lines:
+        index = line.find("!!python/object")
+        if index >= 0:
+            line = line[:index]
+        yaml_text += line + "\n"
+    return yaml_text
+
+
+def obj_to_dict(obj: object) -> dict:
+    """
+    Converts object to dictionary format
+    :return: dict data
+    """
+    # convert obj to yaml
+    yaml_text = obj_to_yaml(obj)
+    # parse to dict
+    return yaml.load(yaml_text, Loader=yaml.Loader)