X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=osm_common%2Fdbbase.py;h=1319fd84e4b86b10bb7fb13694f4d0262b765bf2;hb=40e326a114e66596d62480f9db59d142e17bac0b;hp=b418079e6677dd1f9f6dc95c7c217c76ba8a92c1;hpb=eef7cb7a4f704bf0d29e6d8ece5195dc3faabb69;p=osm%2Fcommon.git

diff --git a/osm_common/dbbase.py b/osm_common/dbbase.py
index b418079..1319fd8 100644
--- a/osm_common/dbbase.py
+++ b/osm_common/dbbase.py
@@ -88,6 +88,16 @@ class DbBase(object):
         """
         raise DbException("Method 'get_list' not implemented")
 
+    def count(self, table, q_filter=None):
+        """
+        Count the number of entries matching q_filter
+        :param table: collection or table
+        :param q_filter: Filter
+        :return: number of entries found (can be zero)
+        :raise: DbException on error
+        """
+        raise DbException("Method 'count' not implemented")
+
     def get_one(self, table, q_filter=None, fail_on_empty=True, fail_on_more=True):
         """
         Obtain one entry matching q_filter
@@ -130,7 +140,7 @@ class DbBase(object):
         """
         raise DbException("Method 'create' not implemented")
 
-    def set_one(self, table, q_filter, update_dict, fail_on_empty=True):
+    def set_one(self, table, q_filter, update_dict, fail_on_empty=True, unset=None, pull=None, push=None):
         """
         Modifies an entry at database
         :param table: collection or table
@@ -138,6 +148,12 @@ class DbBase(object):
         :param update_dict: Plain dictionary with the content to be updated. It is a dot separated keys and a value
         :param fail_on_empty: If nothing matches filter it returns None unless this flag is set tu True, in which case
         it raises a DbException
+        :param unset: Plain dictionary with the content to be removed if exist. It is a dot separated keys, value is
+                      ignored. If not exist, it is ignored
+        :param pull: Plain dictionary with the content to be removed from an array. It is a dot separated keys and value
+                     if exist in the array is removed. If not exist, it is ignored
+        :param push: Plain dictionary with the content to be appended to an array. It is a dot separated keys and value
+                     is appended to the end of the array
         :return: Dict with the number of entries modified. None if no matching is found.
         """
         raise DbException("Method 'set_one' not implemented")
@@ -230,7 +246,11 @@ class DbBase(object):
             encrypted_msg = b64decode(value)
             cipher = AES.new(secret_key)
             decrypted_msg = cipher.decrypt(encrypted_msg)
-            unpadded_private_msg = decrypted_msg.decode().rstrip('\0')
+            try:
+                unpadded_private_msg = decrypted_msg.decode().rstrip('\0')
+            except UnicodeDecodeError:
+                raise DbException("Cannot decrypt information. Are you using same COMMONKEY in all OSM components?",
+                                  http_code=HTTPStatus.INTERNAL_SERVER_ERROR)
             return unpadded_private_msg
 
 
@@ -249,7 +269,7 @@ def deep_update_rfc7396(dict_to_change, dict_reference, key_list=None):
                     Nothing happens if no match is found. If the value is None the matched elements are deleted.
         $key: val   In case a dictionary is passed in yaml format, if looks for all items in the array dict_to_change
                     that are dictionaries and contains this <key> equal to <val>. Several keys can be used by yaml
-                    format '{key: val, key: val, ...}'; and all of them mast match. Nothing happens if no match is
+                    format '{key: val, key: val, ...}'; and all of them must match. Nothing happens if no match is
                     found. If value is None the matched items are deleted, otherwise they are edited.
         $+val       If no match if found (see '$val'), the value is appended to the array. If any match is found nothing
                     is changed. A value of None has not sense.