enh: support special characters

taosRestful/connection.go

@@ -24,16 +24,16 @@ import (
 var jsonI = jsoniter.ConfigCompatibleWithStandardLibrary
 
 type taosConn struct {
-	cfg            *config
+	cfg            *Config
 	client         *http.Client
 	url            *url.URL
 	baseRawQuery   string
 	header         map[string][]string
 	readBufferSize int
 }
 
-func newTaosConn(cfg *config) (*taosConn, error) {
-	readBufferSize := cfg.readBufferSize
+func newTaosConn(cfg *Config) (*taosConn, error) {
+	readBufferSize := cfg.ReadBufferSize
 	if readBufferSize <= 0 {
 		readBufferSize = 4 << 10
 	}
@@ -47,9 +47,9 @@ func newTaosConn(cfg *config) (*taosConn, error) {
 		IdleConnTimeout:       90 * time.Second,
 		TLSHandshakeTimeout:   10 * time.Second,
 		ExpectContinueTimeout: 1 * time.Second,
-		DisableCompression:    cfg.disableCompression,
+		DisableCompression:    cfg.DisableCompression,
 	}
-	if cfg.skipVerify {
+	if cfg.SkipVerify {
 		transport.TLSClientConfig = &tls.Config{
 			InsecureSkipVerify: true,
 		}
@@ -58,24 +58,24 @@ func newTaosConn(cfg *config) (*taosConn, error) {
 		Transport: transport,
 	}
 	path := "/rest/sql"
-	if len(cfg.dbName) != 0 {
-		path = fmt.Sprintf("%s/%s", path, cfg.dbName)
+	if len(cfg.DbName) != 0 {
+		path = fmt.Sprintf("%s/%s", path, cfg.DbName)
 	}
 	tc.url = &url.URL{
-		Scheme: cfg.net,
-		Host:   fmt.Sprintf("%s:%d", cfg.addr, cfg.port),
+		Scheme: cfg.Net,
+		Host:   fmt.Sprintf("%s:%d", cfg.Addr, cfg.Port),
 		Path:   path,
 	}
 	tc.header = map[string][]string{
 		"Connection": {"keep-alive"},
 	}
-	if cfg.token != "" {
-		tc.baseRawQuery = fmt.Sprintf("token=%s", cfg.token)
+	if cfg.Token != "" {
+		tc.baseRawQuery = fmt.Sprintf("token=%s", cfg.Token)
 	} else {
-		basic := base64.StdEncoding.EncodeToString([]byte(cfg.user + ":" + cfg.passwd))
+		basic := base64.StdEncoding.EncodeToString([]byte(cfg.User + ":" + cfg.Passwd))
 		tc.header["Authorization"] = []string{fmt.Sprintf("Basic %s", basic)}
 	}
-	if !cfg.disableCompression {
+	if !cfg.DisableCompression {
 		tc.header["Accept-Encoding"] = []string{"gzip"}
 	}
 	return tc, nil
@@ -103,7 +103,7 @@ func (tc *taosConn) ExecContext(ctx context.Context, query string, args []driver
 
 func (tc *taosConn) execCtx(ctx context.Context, query string, args []driver.NamedValue) (driver.Result, error) {
 	if len(args) != 0 {
-		if !tc.cfg.interpolateParams {
+		if !tc.cfg.InterpolateParams {
 			return nil, driver.ErrSkip
 		}
 		// try to interpolate the parameters to save extra round trips for preparing and closing a statement
@@ -129,7 +129,7 @@ func (tc *taosConn) QueryContext(ctx context.Context, query string, args []drive
 
 func (tc *taosConn) queryCtx(ctx context.Context, query string, args []driver.NamedValue) (driver.Rows, error) {
 	if len(args) != 0 {
-		if !tc.cfg.interpolateParams {
+		if !tc.cfg.InterpolateParams {
 			return nil, driver.ErrSkip
 		}
 		// try client-side prepare to reduce round trip
@@ -202,7 +202,7 @@ func (tc *taosConn) taosQuery(ctx context.Context, sql string, bufferSize int) (
 	}
 	respBody := resp.Body
 	defer ioutil.ReadAll(respBody)
-	if !tc.cfg.disableCompression && EqualFold(resp.Header.Get("Content-Encoding"), "gzip") {
+	if !tc.cfg.DisableCompression && EqualFold(resp.Header.Get("Content-Encoding"), "gzip") {
 		respBody, err = gzip.NewReader(resp.Body)
 		if err != nil {
 			return nil, err

taosRestful/connector.go

@@ -8,27 +8,27 @@ import (
 )
 
 type connector struct {
-	cfg *config
+	cfg *Config
 }
 
 // Connect implements driver.Connector interface.
 // Connect returns a connection to the database.
 func (c *connector) Connect(ctx context.Context) (driver.Conn, error) {
 	// Connect to Server
-	if len(c.cfg.user) == 0 {
-		c.cfg.user = common.DefaultUser
+	if len(c.cfg.User) == 0 {
+		c.cfg.User = common.DefaultUser
 	}
-	if len(c.cfg.passwd) == 0 {
-		c.cfg.passwd = common.DefaultPassword
+	if len(c.cfg.Passwd) == 0 {
+		c.cfg.Passwd = common.DefaultPassword
 	}
-	if c.cfg.port == 0 {
-		c.cfg.port = common.DefaultHttpPort
+	if c.cfg.Port == 0 {
+		c.cfg.Port = common.DefaultHttpPort
 	}
-	if len(c.cfg.net) == 0 {
-		c.cfg.net = "http"
+	if len(c.cfg.Net) == 0 {
+		c.cfg.Net = "http"
 	}
-	if len(c.cfg.addr) == 0 {
-		c.cfg.addr = "127.0.0.1"
+	if len(c.cfg.Addr) == 0 {
+		c.cfg.Addr = "127.0.0.1"
 	}
 	tc, err := newTaosConn(c.cfg)
 	return tc, err

taosRestful/connector_test.go

@@ -533,7 +533,7 @@ func TestSSL(t *testing.T) {
 
 func TestConnect(t *testing.T) {
 	conn := connector{
-		cfg: &config{},
+		cfg: &Config{},
 	}
 	db, err := conn.Connect(context.Background())
 	assert.NoError(t, err)

taosRestful/driver.go

@@ -13,7 +13,7 @@ type TDengineDriver struct{}
 // Open new Connection.
 // the DSN string is formatted
 func (d TDengineDriver) Open(dsn string) (driver.Conn, error) {
-	cfg, err := parseDSN(dsn)
+	cfg, err := ParseDSN(dsn)
 	if err != nil {
 		return nil, err
 	}
@@ -26,3 +26,19 @@ func (d TDengineDriver) Open(dsn string) (driver.Conn, error) {
 func init() {
 	sql.Register("taosRestful", &TDengineDriver{})
 }
+
+// NewConnector returns new driver.Connector.
+func NewConnector(cfg *Config) (driver.Connector, error) {
+	return &connector{cfg: cfg}, nil
+}
+
+// OpenConnector implements driver.DriverContext.
+func (d TDengineDriver) OpenConnector(dsn string) (driver.Connector, error) {
+	cfg, err := ParseDSN(dsn)
+	if err != nil {
+		return nil, err
+	}
+	return &connector{
+		cfg: cfg,
+	}, nil
+}

taosRestful/driver_test.go

@@ -1,11 +1,13 @@
 package taosRestful
 
 import (
+	"context"
 	"database/sql"
 	"database/sql/driver"
 	"errors"
 	"fmt"
 	"log"
+	"net/url"
 	"testing"
 	"time"
 
@@ -289,3 +291,91 @@ func TestChinese(t *testing.T) {
 	}
 	assert.Equal(t, 1, counter)
 }
+
+func TestNewConnector(t *testing.T) {
+	cfg, err := ParseDSN(dataSourceName)
+	assert.NoError(t, err)
+	conn, err := NewConnector(cfg)
+	assert.NoError(t, err)
+	db := sql.OpenDB(conn)
+	defer func() {
+		err := db.Close()
+		assert.NoError(t, err)
+	}()
+	if err := db.Ping(); err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestOpen(t *testing.T) {
+	tdDriver := &TDengineDriver{}
+	conn, err := tdDriver.Open(dataSourceName)
+	assert.NoError(t, err)
+	defer func() {
+		err := conn.Close()
+		assert.NoError(t, err)
+	}()
+	pinger := conn.(driver.Pinger)
+	err = pinger.Ping(context.Background())
+	assert.NoError(t, err)
+}
+
+func TestSpecialPassword(t *testing.T) {
+	db, err := sql.Open(driverName, dataSourceName)
+	if err != nil {
+		t.Fatalf("error on:  sql.open %s", err.Error())
+		return
+	}
+	defer db.Close()
+	tests := []struct {
+		name string
+		user string
+		pass string
+	}{
+		{
+			name: "test_special1_rs",
+			user: "test_special1_rs",
+			pass: "!q@w#a$1%3^&*()-",
+		},
+		{
+			name: "test_special2_rs",
+			user: "test_special2_rs",
+			pass: "_q+3=[]{}:;><?|~",
+		},
+		{
+			name: "test_special3_rs",
+			user: "test_special3_rs",
+			pass: "1><3?|~,w.",
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			defer func() {
+				dropSql := fmt.Sprintf("drop user %s", test.user)
+				_, _ = db.Exec(dropSql)
+			}()
+			createSql := fmt.Sprintf("create user %s pass '%s'", test.user, test.pass)
+			_, err := db.Exec(createSql)
+			assert.NoError(t, err)
+			escapedPass := url.QueryEscape(test.pass)
+			newDsn := fmt.Sprintf("%s:%s@http(%s:%d)/%s", test.user, escapedPass, host, port, "")
+			db2, err := sql.Open(driverName, newDsn)
+			if err != nil {
+				t.Errorf("error on:  sql.open %s", err.Error())
+				return
+			}
+			defer db2.Close()
+			rows, err := db2.Query("select 1")
+			assert.NoError(t, err)
+			var i int
+			for rows.Next() {
+				err := rows.Scan(&i)
+				assert.NoError(t, err)
+				assert.Equal(t, 1, i)
+			}
+			if i != 1 {
+				t.Errorf("query failed")
+			}
+		})
+	}
+}