X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/invirt-web.git/blobdiff_plain/1e922a353a14f5f231040595a93af3054ea41664..HEAD:/code/validation.py

diff --git a/code/validation.py b/code/validation.py
index 9b7a0b0..d288a69 100755
--- a/code/validation.py
+++ b/code/validation.py
@@ -5,6 +5,7 @@ import getafsgroups
 import re
 import string
 import dns.resolver
+from invirt import authz
 from invirt.database import Machine, NIC, Type, Disk, CDROM, Autoinstall, Owner
 from invirt.config import structs as config
 from invirt.common import InvalidInput, CodeError
@@ -24,7 +25,7 @@ class Validate:
         if strict:
             if name is None:
                 raise InvalidInput('name', name, "You must provide a machine name.")
-            if description is None:
+            if description is None or description.strip() == '':
                 raise InvalidInput('description', description, "You must provide a description.")
             if memory is None:
                 raise InvalidInput('memory', memory, "You must provide a memory size.")
@@ -129,7 +130,7 @@ def haveAccess(user, state, machine):
 
 def owns(user, machine):
     """Return whether a user owns a machine"""
-    return user in expandLocker(machine.owner)
+    return user in authz.expandOwner(machine.owner)
 
 def validMachineName(name):
     """Check that name is valid for a machine name"""
@@ -208,8 +209,7 @@ def testMachineId(user, state, machine_id, exists=True):
 def testAdmin(user, admin, machine):
     """Determine whether a user can set the admin of a machine to this value.
 
-    Return the value to set the admin field to (possibly 'system:' +
-    admin).  XXX is modifying this a good idea?
+    Return the value to set the admin field to (possibly 'system:' + admin).
     """
     if admin is None:
         return None
@@ -217,20 +217,17 @@ def testAdmin(user, admin, machine):
         return admin
     if admin == user:
         return admin
+    # we do not require that the user be in the admin group;
+    # just that it is a non-empty set
+    if authz.expandAdmin(admin):
+        return admin
     if ':' not in admin:
-        if cache_acls.isUser(admin):
-            return admin
-        admin = 'system:' + admin
-    try:
-        if user in getafsgroups.getAfsGroupMembers(admin, config.authz.afs.cells[0].cell):
-            return admin
-    except getafsgroups.AfsProcessError, e:
-        errmsg = str(e)
-        if errmsg.startswith("pts: User or group doesn't exist"):
-            errmsg = 'The group "%s" does not exist.' % admin
-        raise InvalidInput('administrator', admin, errmsg)
-    #XXX Should we require that user is in the admin group?
-    return admin
+        if authz.expandAdmin('system:' + admin):
+            return 'system:' + admin
+        errmsg = 'No user "%s" or non-empty group "system:%s" found.' % (admin, admin)
+    else:
+        errmsg = 'No non-empty group "%s" found.' % (admin,)
+    raise InvalidInput('administrator', admin, errmsg)
 
 def testOwner(user, owner, machine=None):
     """Determine whether a user can set the owner of a machine to this value.
@@ -244,7 +241,7 @@ def testOwner(user, owner, machine=None):
     if '@' in owner:
         raise InvalidInput('owner', owner, "No cross-realm Hesiod lockers allowed")
     try:
-        if user not in cache_acls.expandLocker(owner):
+        if user not in authz.expandOwner(owner):
             raise InvalidInput('owner', owner, 'You do not have access to the '
                                + owner + ' locker')
     except getafsgroups.AfsProcessError, e: