private Result ProcessGrantOrRevoke(Tokenizer c, Channel channel, bool grant)
{
channel.CheckReadWrite();
channel.CheckAdmin();
AccessType right = AccessType.None;
string sToken;
do
{
string sRight = c.GetString();
right |= Access.GetRight(sRight);
sToken = c.GetString();
} while (sToken.Equals(","));
if (!sToken.Equals("ON"))
{
throw TracingHelper.Error(TracingHelper.UnexpectedToken, sToken);
}
string table = c.GetString();
if (table.Equals("CLASS"))
{
// object is saved as 'CLASS "java.lang.Math"'
// tables like 'CLASS "xy"' should not be created
table += " \"" + c.GetString() + "\"";
}
else
{
GetTable(table, channel); // to make sure the table exists
}
c.GetThis("TO");
string user = c.GetStringToken();
// string command;
if (grant)
{
_access.Grant(user, table, right);
// command = "GRANT";
}
else
{
_access.Revoke(user, table, right);
// command = "REVOKE";
}
return(new Result());
}
public Result GetScript(bool bDrop, bool bInsert, bool bCached, Channel channel)
{
channel.CheckAdmin();
Result r = new Result(1);
r.Type[0] = ColumnType.VarChar;
r.Table[0] = "SYSTEM_SCRIPT";
r.Label[0] = "COMMAND";
r.Name[0] = "COMMAND";
StringBuilder a = new StringBuilder();
for (int i = 0; i < tTable.Count; i++)
{
Table t = (Table)tTable[i];
if (bDrop)
{
AddRow(r, "DROP TABLE \"" + t.Name + "\"");
}
a.Remove(0, a.Length);
a.Append("CREATE ");
if (t.IsCached)
{
a.Append("CACHED ");
}
a.Append("TABLE ");
a.Append('"');
a.Append(t.Name);
a.Append('"');
a.Append("(");
int columns = t.ColumnCount;
Index pki = t.GetIndex("SYSTEM_PK");
int pk = (pki == null) ? -1 : pki.Columns[0];
for (int j = 0; j < columns; j++)
{
a.Append('"');
a.Append(t.GetColumnName(j));
a.Append('"');
a.Append(" ");
a.Append(Column.GetColumnTypeString(t.GetType(j)));
if (!t.GetColumnIsNullable(j))
{
a.Append(" NOT NULL");
}
if (j == t.IdentityColumn)
{
a.Append(" IDENTITY");
}
if (j == pk)
{
a.Append(" PRIMARY KEY");
}
if (j < columns - 1)
{
a.Append(",");
}
}
ArrayList v = t.Constraints;
for (int j = 0; j < v.Count; j++)
{
Constraint c = (Constraint)v[j];
if (c.ConstraintType == ConstraintType.ForeignKey)
{
a.Append(",FOREIGN KEY");
int[] col = c.RefTableColumns;
a.Append(GetColumnList(c.RefTable, col, col.Length));
a.Append("REFERENCES ");
a.Append(c.MainTable.Name);
col = c.MainTableColumns;
a.Append(GetColumnList(c.MainTable, col, col.Length));
}
else if (c.ConstraintType == ConstraintType.Unique)
{
a.Append(",UNIQUE");
int[] col = c.MainTableColumns;
a.Append(GetColumnList(c.MainTable, col, col.Length));
}
}
a.Append(")");
AddRow(r, a.ToString());
Index index = null;
while (true)
{
index = t.GetNextIndex(index);
if (index == null)
{
break;
}
string indexname = index.Name;
if (indexname.Equals("SYSTEM_PK"))
{
continue;
}
else if (indexname.StartsWith("SYSTEM_FOREIGN_KEY"))
{
// foreign keys where created in the 'create table'
continue;
}
else if (indexname.StartsWith("SYSTEM_CONSTRAINT"))
{
// constraints where created in the 'create table'
continue;
}
a.Remove(0, a.Length);
a.Append("CREATE ");
if (index.IsUnique)
{
a.Append("UNIQUE ");
}
a.Append("INDEX ");
a.Append(indexname);
a.Append(" ON ");
a.Append(t.Name);
int[] col = index.Columns;
int len = col.Length;
if (!index.IsUnique)
{
len--;
}
a.Append(GetColumnList(t, col, len));
AddRow(r, a.ToString());
}
if (bInsert)
{
Index primary = t.PrimaryIndex;
Node x = primary.First();
bool integrity = true;
if (x != null)
{
integrity = false;
AddRow(r, "SET REFERENTIAL_INTEGRITY FALSE");
}
while (x != null)
{
AddRow(r, t.GetInsertStatement(x.GetData()));
x = primary.Next(x);
}
if (!integrity)
{
AddRow(r, "SET REFERENTIAL_INTEGRITY TRUE");
}
}
if (bCached && t.IsCached)
{
a.Remove(0, a.Length);
a.Append("SET TABLE ");
a.Append('"');
a.Append(t.Name);
a.Append('"');
a.Append(" INDEX '");
a.Append(t.IndexRoots);
a.Append("'");
AddRow(r, a.ToString());
}
}
ArrayList uList = aAccess.GetUsers();
for (int i = 0; i < uList.Count; i++)
{
User u = (User)uList[i];
// todo: this is not a nice implementation
if (u == null)
{
continue;
}
string name = u.Name;
if (!name.Equals("PUBLIC"))
{
a.Remove(0, a.Length);
a.Append("CREATE USER ");
a.Append(name);
a.Append(" PASSWORD ");
a.Append("\"" + u.Password + "\"");
if (u.IsAdmin)
{
a.Append(" ADMIN");
}
AddRow(r, a.ToString());
}
Hashtable rights = u.Rights;
if (rights == null)
{
continue;
}
foreach (string dbObject in rights.Keys)
{
AccessType right = (AccessType)rights[dbObject];
if (right == AccessType.None)
{
continue;
}
a.Remove(0, a.Length);
a.Append("GRANT ");
a.Append(Access.GetRight(right));
a.Append(" ON ");
a.Append(dbObject);
a.Append(" TO ");
a.Append(u.Name);
AddRow(r, a.ToString());
}
}
if (dDatabase.IsIgnoreCase)
{
AddRow(r, "SET IGNORECASE TRUE");
}
Hashtable h = dDatabase.Alias;
foreach (string alias in h.Keys)
{
string className = (string)h[alias];
AddRow(r, "CREATE ALIAS " + alias + " FOR \"" + className + "\"");
}
return(r);
}