Do not double print sql error

[securemail.git] / db.py

diff --git a/db.py b/db.py
index 1d545b1a31c950b16c831a478384875b2a7b402e..e5953968d25989b3dd56fb13e528f6f40b5567cb 100644 (file)
--- a/db.py
+++ b/db.py
@@ -17,22 +17,48 @@
 # You should have received a copy of the GNU General Public License
 # along with SecureMail.  If not, see <https://www.gnu.org/licenses/>.
 
+# sqlite
+sqlite_sql = """create table account (
+id int auto_increment,
+token char(128) unique not null,
+cipher text not null,
+primary key (id))"""
+
 # mysql
-# create table account (
-# id int auto_increment,
-# token char(128) unique not null,
-# cipher blob not null,
-# primary key (id));
-#
+mysql_sql = """create table account (
+id int auto_increment,
+token char(128) unique not null,
+cipher text not null,
+primary key (id))"""
+
 # postgresql
-# create table account (
-# id serial,
-# token char(128) unique not null,
-# cipher bytea not null,
-# primary key (id));
+postgresql_sql = """create table account (
+id serial,
+token char(128) unique not null,
+cipher bytea not null,
+primary key (id))"""
 
 import base64
-from config import DBTYPE, DBHOST, DBPORT, DBUID, DBPWD, DBNAME
+from config import DBTYPE, DBNAME
+try:
+    from config import DBUID
+except ImportError:
+    DBUID = 'backend'
+try:
+    from config import DBPWD
+except ImportError:
+    DBPWD = 'clV77B2ZJQxr'
+try:
+    from config import DBHOST
+except ImportError:
+    DBHOST = 'localhost'
+try:
+    from config import DBPORT
+except ImportError:
+    if DBTYPE == 'mysql':
+        DBPORT = 3306
+    elif DBTYPE == 'postgresql':
+        DBPORT = 5432
 from cryptonize import Cryptonize
 
 class Singleton:
@@ -52,12 +78,14 @@ class DB:
     def get_connection(self):
         if self.conn is None:
             if DBTYPE == 'mysql':
-                #import MySQLdb
                 import MySQLdb
                 self.conn = MySQLdb.connect(host=DBHOST, port=DBPORT, user=DBUID, password=DBPWD, database=DBNAME)
             elif DBTYPE == 'postgresql':
                 import psycopg2
                 self.conn = psycopg2.connect(host=DBHOST, port=DBPORT, user=DBUID, password=DBPWD, dbname=DBNAME)
+            elif DBTYPE == 'sqlite':
+                import apsw
+                self.conn = apsw.Connection('./{0}.db'.format(DBNAME))
             else:
                 raise ValueError('{0}: Unsupported database'.format(DBTYPE))
         return self.conn
@@ -89,15 +117,86 @@ class DBInterface:
             from MySQLdb import Error as DBError
         elif DBTYPE == 'postgresql':
             from psycopg2 import Error as DBError
+        elif DBTYPE == 'sqlite':
+            from apsw import Error as DBError
         conn = DB().get_connection()
         cursor = conn.cursor()
         raw = base64.b64encode(cipher)
         try:
-            cursor.execute("insert into account(token, cipher) values(%s, %s)", (key, raw))
-            conn.commit()
+            if DBTYPE != 'sqlite':
+                cursor.execute("insert into account(token, cipher) values(%s, %s)", (key, raw))
+                conn.commit()
+            else:
+                cursor.execute('begin')
+                cursor.execute("insert into account(token, cipher) values(?, ?)", (key, raw))
+                cursor.execute('commit')
         except DBError as e:
             print (e)
-            conn.rollback()
+            if DBTYPE != 'sqlite':
+                conn.rollback()
+            else:
+                cursor.execute('rollback')
             raise e
         finally:
             cursor.close()
+
+    @staticmethod
+    def create_database():
+        if DBTYPE == 'mysql':
+            from MySQLdb import Error as DBError
+        elif DBTYPE == 'postgresql':
+            from psycopg2 import Error as DBError
+        elif DBTYPE == 'sqlite':
+            from apsw import Error as DBError
+        conn = DB().get_connection()
+        cursor = conn.cursor()
+        try:
+            if DBTYPE != 'sqlite':
+                if DBTYPE == 'mysql':
+                    sql = mysql_sql
+                elif DBTYPE == 'postgresql':
+                    sql = postgresql_sql
+                cursor.execute(sql)
+                conn.commit()
+            else:
+                cursor.execute('begin')
+                cursor.execute(sqlite_sql)
+                cursor.execute('commit')
+        except DBError as e:
+            if DBTYPE != 'sqlite':
+                conn.rollback()
+            else:
+                cursor.execute('rollback')
+            raise e
+        finally:
+            cursor.close()
+
+def main():
+    from optparse import OptionParser
+    
+    usage = "usage: %prog [options] arg"
+    parser = OptionParser(usage)
+    parser.add_option("-c", "--create", action="store_true", dest="create",
+                      help="Create tables in database using config.py", default=False)
+    parser.add_option("-v", "--verbose", action="store_true", dest="verbose",
+                      help="Run in verbose mode", default=False)
+    (options, args) = parser.parse_args()
+    
+    if  options.create:
+        try:
+            if options.verbose:
+                print("Creating empty database")
+                print("Database Engine: {0}".format(DBTYPE))
+                if DBTYPE != 'sqlite':
+                    print("Database Host: {0}".format(DBHOST))
+                    print("Database Port: {0}".format(DBPORT))
+                else:
+                    print("Database File: ./{0}.db".format(DBNAME))
+            DBInterface.create_database()
+            print("Database created")
+        except Exception as e:
+            print("Creating database failed!")
+            print(e)
+        
+if __name__ == '__main__':
+    main()