forked from CovenantSQL/CookieScanner
/
classification.go
68 lines (59 loc) · 1.71 KB
/
classification.go
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/*
* Copyright 2019 The CovenantSQL Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package parser
import (
"database/sql"
"net/url"
"strings"
"github.com/CovenantSQL/CovenantSQL/client"
"github.com/pkg/errors"
)
type Classifier struct {
db *sql.DB
}
func NewClassifier(dsn string) (c *Classifier, err error) {
u, err := url.Parse(dsn)
if err != nil {
err = errors.Wrap(err, "init classifier failed")
return
}
c = &Classifier{}
switch strings.ToLower(u.Scheme) {
case "covenantsql", "cql":
queries := u.Query()
cfg := queries.Get("config")
passwd := queries.Get("password")
if cfg != "" {
if err = client.Init(cfg, []byte(passwd)); err != nil {
return
}
}
c.db, err = sql.Open("covenantsql", dsn)
case "sqlite3", "sqlite":
c.db, err = sql.Open("sqlite3", "file:"+strings.TrimPrefix(dsn, u.Scheme+"://"))
default:
err = errors.New("invalid classifier database dsn")
}
return
}
func (c *Classifier) GetCookieDetail(name string) (cookieType string, cookieDesc string, err error) {
err = c.db.QueryRow("SELECT cookie_type, cookie_desc FROM cookies WHERE cookie_name = ? LIMIT 1", name).
Scan(&cookieType, &cookieDesc)
if err == sql.ErrNoRows {
err = nil
}
return
}