152 lines
4.8 KiB
Python
152 lines
4.8 KiB
Python
'''
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offlineimap.py
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This provides a handful of functions for retrieving secrets from GNOME Keyring
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using the libsecret API. See the documentation for each function
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'''
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from gi import require_version
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require_version('Secret', '1')
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from gi.repository import Secret
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def get_pw_from_desc(pw_desc) :
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'''
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This function returns the password for an item in the default keyring
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which contains the description provided.
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Use this function if you created a password using the dialogue in Seahorse
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'''
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# Get service
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service = Secret.Service.get_sync(Secret.ServiceFlags.LOAD_COLLECTIONS)
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# Get default keyring
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keyring = Secret.Collection.for_alias_sync(service, "default", \
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Secret.CollectionFlags.NONE, None)
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# Get keyring items
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items = keyring.get_items()
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# Load secrets
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Secret.Item.load_secrets_sync(items)
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# Loop through items, find the matching one and return its password
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password = None
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for item in items :
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if item.get_label() == pw_desc :
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password = item.get_secret().get_text()
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break
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# Close connection
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service.disconnect()
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return password
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def get_pw_from_attrs(*attr_val_pairs) :
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'''
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This function returns the password for an item in the default keyring
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which contains all of the attribute value pairs provided as arguments.
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Use this function if you created a password using the secret-tool command
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or another such program that interfaces with libsecret
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'''
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# Check the list of attr-val pairs is present and contains an even number
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# of elements
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if attr_val_pairs == () :
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raise TypeError("get_pw_from_attrs() at least 1 attribute-value pair " \
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"must be supplied")
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if len(attr_val_pairs) % 2 != 0 :
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raise TypeError("get_pw_from_attrs() incomplete attribute-value " \
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"pair was supplied")
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# Get service
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service = Secret.Service.get_sync(Secret.ServiceFlags.LOAD_COLLECTIONS)
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# Get default keyring
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keyring = Secret.Collection.for_alias_sync(service, "default", \
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Secret.CollectionFlags.NONE, None)
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# Get keyring items
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items = keyring.get_items()
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# Load secrets
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Secret.Item.load_secrets_sync(items)
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# Loop through items, find the one which contains all supplied attr_val
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# pairs and return its password
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password = None
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for item in items :
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attrs = item.get_attributes()
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match = True
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for x in range(0, len(attr_val_pairs), 2) :
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key = attr_val_pairs[x]
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value = attr_val_pairs[x + 1]
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try :
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if attrs[key] != value :
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match = False
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break
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except KeyError :
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match = False
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break
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if match :
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password = item.get_secret().get_text()
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break
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# Close connection
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service.disconnect()
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return password
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def get_val_from_attrs(attr, *attr_val_pairs) :
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'''
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This function returns the value for a given attribute. The first item
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found that contains that attribute will be the one that is used. To ensure
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that the correct item is chosen, any number of attribute-value pairs can
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be optionally supplied as arguments and only the item which contains all
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of those attr-val pairs (along with the main attr) will be used.
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Use this function if you created a password using the secret-tool command
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or another such program that interfaces with libsecret
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'''
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# Check the list of attr-val pairs contains an even number of elements
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# if it exists
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if attr_val_pairs != () :
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if len(attr_val_pairs) % 2 != 0 :
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raise TypeError("get_val_from_attrs() incomplete attribute-value " \
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"pair was supplied")
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# Get service
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service = Secret.Service.get_sync(Secret.ServiceFlags.LOAD_COLLECTIONS)
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# Get default keyring
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keyring = Secret.Collection.for_alias_sync(service, "default", \
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Secret.CollectionFlags.NONE, None)
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# Get keyring items
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items = keyring.get_items()
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# Loop through items, find the one which contains the supplied attribute
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# (plus any attr_val pairs if specified) and return that attribute's
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# value
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attr_value = None
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for item in items :
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attrs = item.get_attributes()
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try :
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attrs[attr]
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except KeyError :
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continue
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match = True
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for x in range(0, len(attr_val_pairs), 2) :
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key = attr_val_pairs[x]
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value = attr_val_pairs[x + 1]
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try :
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if attrs[key] != value :
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match = False
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break
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except KeyError :
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match = False
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break
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if match :
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attr_value = attrs[attr]
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break
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# Close connection
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service.disconnect()
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return attr_value
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