def getPasswordForResource(self, username, resource_id, include_history=False):
"""
Looks up a password matching specified username @ specified resource name (e.g. hostname).
:param username: The username associated with the password.
:type username: str
:param resource_id: The resource ID or name that we are looking up.
:type resource_id: int or str
:param include_history: Whether to include history (previous passwords) for this password.
:type include_history: bool
:return: The matching password, or None if none found.
"""
try:
try:
resource_id = int(resource_id)
except ValueError:
resource = resources.get_by_name(resource_id, assert_single=True)
else:
resource = resources.get(resource_id)
pw = passwords.get_for_resource(username=username, resource_id=resource.id, assert_exists=True)
auditlog.log(auditlog.CODE_CONTENT_VIEW, target=pw)
return pw.to_dict(decrypt=True, include_history=include_history)
except exc.NoSuchEntity:
log.info("Unable to find password matching user@resource: {0}@{1}".format(username, resource_id))
raise
except:
log.exception("Unable to find password for resource.")
raise RuntimeError("Unhandled error trying to lookup password for user@resource: {0}@{1}".format(username, resource_id))
def getResource(self, resource_id):
try:
resource_id = int(resource_id)
except ValueError:
resource = resources.get_by_name(resource_id, assert_single=True)
else:
resource = resources.get(resource_id)
auditlog.log(auditlog.CODE_CONTENT_VIEW, target=resource)
return resource.to_dict(decrypt=True, include_passwords=True)
def view(self, resource_id):
try:
resource_id = int(resource_id)
except ValueError:
resource = resources.get_by_name(resource_id, assert_single=True)
else:
resource = resources.get(resource_id)
auditlog.log(auditlog.CODE_CONTENT_VIEW, target=resource)
return render('resource/view.html', {'resource': resource})
def check_duplicate_username(form, field):
username = field.data
existing = resource = None
if hasattr(form, 'resource_id'):
# It's being added
resource = resources.get(form.resource_id.data)
existing = resource.passwords.filter_by(username=username).first()
elif hasattr(form, 'password_id'):
# Lookup from pw_id
pw = passwords.get(form.password_id.data)
resource = pw.resource
q = resource.passwords.filter_by(username=username)
q = q.filter(Password.id != pw.id) # @UndefinedVariable
existing = q.first()
else:
raise Exception("Unexpected condition.")
if existing:
raise ValidationError("Username \"{0}\" already exists for this resource \"{1}\".".format(username, resource.name))
def delete(self, resource_id, redirect_to=None):
resource = resources.get(resource_id)
if cherrypy.request.method == 'POST':
# First remove any passwords for this resource.
for pw in resource.passwords:
del_pw = passwords.delete(pw.id)
auditlog.log(auditlog.CODE_CONTENT_DEL, target=del_pw)
# Then remove the actual resource
resource = resources.delete(resource_id)
auditlog.log(auditlog.CODE_CONTENT_DEL, target=resource)
notify_entity_activity(resource, 'deleted')
if redirect_to:
raise cherrypy.HTTPRedirect(redirect_to)
else:
raise cherrypy.HTTPRedirect('/resource/list')
else:
return render('resource/delete.html', {'resource': resource,
'redirect_to': redirect_to})
def from_structure(self, structure):
"""
Populates the SQLAlchemy model from a python dictionary of the database structure.
"""
session = meta.Session()
try:
for resource_s in structure['resources']:
log.debug("Importing: {0!r}".format(resource_s))
# First build up a list of group_ids for this resource that will correspond to groups
# in *this* database.
group_ids = []
for gname in resource_s['groups']:
group = groups.get_by_name(gname, assert_exists=False)
if not group:
group = groups.create(gname)
log.info("Created group: {0!r}".format(group))
else:
log.info("Found existing group: {0!r}".format(group))
group_ids.append(group.id)
# First we should see if there is a match for the id and name; we can't rely on name alone since
# there is no guarantee of name uniqueness (even with a group)
resource = None
resource_candidate = resources.get(resource_s['id'], assert_exists=False)
if resource_candidate and resource_candidate.name == resource_s['name']:
resource = resource_candidate
else:
# If we find a matching resource (by name) and there is only one then we'll use that.
try:
resource = resources.get_by_name(resource_s['name'], assert_single=True, assert_exists=True)
except MultipleResultsFound:
log.info("Multiple resource matched name {0!r}, will create a new one.".format(resource_s['name']))
except exc.NoSuchEntity:
log.debug("No resource found matching name: {0!r}".format(resource_s['name']))
pass
resource_attribs = ('name', 'addr', 'description', 'notes', 'tags')
resource_attribs_update = dict([(k,v) for (k,v) in resource_s.items() if k in resource_attribs])
if resource:
(resource, modified) = resources.modify(resource.id, group_ids=group_ids, **resource_attribs_update)
# (yes, we are overwriting 'resource' var with new copy returned from this method)
log.info("Updating existing resource: {0!r} (modified: {1!r})".format(resource, modified))
if modified and modified != ['group_ids']:
if not self.force:
raise RuntimeError("Refusing to modify existing resource attributes {0!r} on {1!r} (use 'force' to override this).".format(modified, resource))
else:
log.warning("Overwriting resource attributes {0!r} on {1!r}".format(modified, resource))
else:
# We will just assume that we need to create the resource. Yes, it's possible it'll match an existing
# one, but better to build a merge tool than end up silently merging things that are not the same.
resource = resources.create(group_ids=group_ids, **resource_attribs_update)
log.info("Created new resource: {0!r}".format(resource))
# Add the passwords
for password_s in resource_s['passwords']:
password_attribs = ('username', 'description', 'password', 'tags')
password_attribs_update = dict([(k,v) for (k,v) in password_s.items() if k in password_attribs])
# Look for a matching password. We do know that this is unique.
password = passwords.get_for_resource(password_s['username'], password_s['resource_id'], assert_exists=False)
if password:
(password, modified) = passwords.modify(password_id=password.id, **password_attribs_update)
# (Yeah, we overwrite password object.)
log.info("Updating existing password: {0!r} (modified: {1!r})".format(password, modified))
non_pw_modified = set(modified) - set(['password'])
if not modified:
log.debug("Password row not modified.")
else:
log.debug("Password modified: {0!r}".format(modified))
# If anything changed other than password, we need to ensure that force=true
if non_pw_modified:
if not self.force:
raise RuntimeError("Refusing to modify existing password attributes {0!r} on {1!r} (use 'force' to override this).".format(non_pw_modified, password))
else:
log.warning("Overwriting password attributes {0!r} on {1!r}".format(non_pw_modified, password))
else:
password = passwords.create(resource_id=resource.id, **password_attribs_update)
log.info("Creating new password: {0!r}".format(password))
# This probably isn't necessary as all the DAO methods should also flush session, but might as well.
session.flush()
except:
session.rollback()
raise
def edit(self, resource_id):
resource = resources.get(resource_id)
log.debug("Resource matched: {0!r}".format(resource))
form = ResourceEditForm(request_params(), obj=resource, resource_id=resource_id, group_ids=[g.id for g in resource.groups])
form.group_ids.choices = [(g.id, g.label) for g in groups.list()]
return render('resource/edit.html', {'form': form})
