Fix staticcheck error ST1005

staticcheck ./...
error strings should not be capitalized
error strings should not end with punctuation or newlines

Author: lifenjoiner

bufconn/http.go

@@ -42,7 +42,7 @@ func (c *HttpConn) Bond(m, h, p string, b []byte) (err error) {
 				_, err = c.R.Discard(c.R.Buffered())
 				return
 			}
-			err = errors.New("no available http proxy server")
+			err = errors.New("[http] no available proxy server")
 		}
 	}
 	return err

bufconn/socks4a.go

@@ -19,7 +19,7 @@ func (c *Socks4aConn) bondData(m, h, p string) ([]byte, error) {
 	switch strings.ToUpper(m) {
 	case "CONNECT":
 	default:
-		return nil, errors.New("unsupported method: " + m)
+		return nil, errors.New("[socks4a] unsupported method: " + m)
 	}
 
 	pp, err := socks.ToPacketPort(p)
@@ -28,7 +28,7 @@ func (c *Socks4aConn) bondData(m, h, p string) ([]byte, error) {
 	}
 	l := len(h)
 	if l > 256 {
-		return nil, errors.New("too long hostname: " + h)
+		return nil, errors.New("[socks4a] too long hostname: " + h)
 	}
 	data := []byte{4, 1}
 	data = append(data, pp...)
@@ -54,7 +54,7 @@ func (c *Socks4aConn) Bond(m, h, p string, b []byte) (err error) {
 			if b[1] == 0x5a {
 				return nil
 			}
-			err = errors.New("CONNECT failed")
+			err = errors.New("[socks4a] CONNECT failed")
 		}
 	}
 	return err

bufconn/socks5.go

@@ -23,7 +23,7 @@ func (c *Socks5Conn) authorize() (err error) {
 	var p socks.Packet
 	p, err = ReceiveData(c.R)
 	if err == nil && p[1] != 0 {
-		err = errors.New("Authorization failed")
+		err = errors.New("[socks5] authorization failed")
 	}
 	return
 }
@@ -32,7 +32,7 @@ func (c *Socks5Conn) bondData(m, h, p string) ([]byte, error) {
 	switch strings.ToUpper(m) {
 	case "CONNECT":
 	default:
-		return nil, errors.New("unsupported method: " + m)
+		return nil, errors.New("[socks5] unsupported method: " + m)
 	}
 
 	pp, err := socks.ToPacketPort(p)
@@ -41,7 +41,7 @@ func (c *Socks5Conn) bondData(m, h, p string) ([]byte, error) {
 	}
 	l := len(h)
 	if l > 256 {
-		return nil, errors.New("too long hostname: " + h)
+		return nil, errors.New("[socks5] too long hostname: " + h)
 	}
 	data := []byte{5, 1, 0, 3}
 	data = append(data, byte(l))
@@ -67,7 +67,7 @@ func (c *Socks5Conn) Bond(m, h, p string, b []byte) (err error) {
 				if b[1] == 0 {
 					return nil
 				}
-				err = errors.New("CONNECT failed")
+				err = errors.New("[socks5] CONNECT failed")
 			}
 		}
 	}

checker/checker.go

@@ -91,18 +91,18 @@ func NewTargetChecker(u *url.URL, d time.Duration, c *bufconn.Conn, p *url.URL)
 
 func New(s string, d time.Duration, p string) (*TargetChecker, error) {
 	if len(s) == 0 {
-		return nil, errors.New("[TargetChecker] server URL is empty.")
+		return nil, errors.New("[TargetChecker] server URL is empty")
 	}
 	u, err := url.Parse(s)
 	if err != nil {
-		return nil, errors.New("[TargetChecker] server URL is invalid.")
+		return nil, errors.New("[TargetChecker] server URL is invalid")
 	}
 	var pu *url.URL
 	if len(p) > 0 {
 		pu, err = url.Parse(p)
 	}
 	if err != nil {
-		return nil, errors.New("[TargetChecker] proxy URL is invalid.")
+		return nil, errors.New("[TargetChecker] proxy URL is invalid")
 	}
 	return NewTargetChecker(u, d, nil, pu), nil
 }

dispatcher/dispatcher.go

@@ -214,7 +214,7 @@ func (d *Dispatcher) DispatchIP() (*bufconn.Conn, error) {
 func (d *Dispatcher) DispatchProxy() (cs bufconn.ConnSolver, proxy proxypool.Proxy, err error) {
 	ProxyPool := GlobalProxyPool[d.ServerType]
 	if ProxyPool == nil {
-		err = errors.New("No valid proxy.")
+		err = errors.New("no valid proxy")
 		return
 	}
 	proxy = ProxyPool.GetProxy(d.proxyTried)
@@ -233,10 +233,10 @@ func (d *Dispatcher) DispatchProxy() (cs bufconn.ConnSolver, proxy proxypool.Pro
 			c := cs.GetConn()
 			_ = c.SetDeadline(time.Now())
 			c.Close()
-			err = errors.New("Proxy authentication is not implemented.")
+			err = errors.New("proxy authentication is not implemented")
 		}
 	} else {
-		err = errors.New("No valid proxy.")
+		err = errors.New("no valid proxy")
 	}
 	return
 }