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108 lines
2.1 KiB
Go
108 lines
2.1 KiB
Go
package ftp
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import (
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"net"
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"net/textproto"
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"reflect"
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"strings"
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"sync"
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"testing"
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)
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type ftpMock struct {
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listener net.Listener
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commands []string // list of received commands
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sync.WaitGroup
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}
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func newFtpMock(t *testing.T, addresss string) *ftpMock {
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var err error
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mock := &ftpMock{}
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mock.listener, err = net.Listen("tcp", addresss)
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if err != nil {
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t.Fatal(err)
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}
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go func() {
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// Listen for an incoming connection.
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conn, err := mock.listener.Accept()
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if err != nil {
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t.Fatal(err)
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}
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mock.Add(1)
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defer mock.Done()
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defer conn.Close()
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proto := textproto.NewConn(conn)
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proto.Writer.PrintfLine("220 FTP Server ready.")
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for {
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command, _ := proto.ReadLine()
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// Strip the arguments
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if i := strings.Index(command, " "); i > 0 {
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command = command[:i]
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}
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// Append to list of received commands
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mock.commands = append(mock.commands, command)
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// At least one command must have a multiline response
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switch command {
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case "FEAT":
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proto.Writer.PrintfLine("211-Features:\r\nFEAT\r\nPASV\r\nSIZE\r\n211 End")
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case "USER":
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proto.Writer.PrintfLine("331 Please send your password")
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case "PASS":
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proto.Writer.PrintfLine("230-Hey,\r\nWelcome to my FTP\r\n230 Access granted")
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case "TYPE":
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proto.Writer.PrintfLine("200 Type set ok")
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case "QUIT":
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proto.Writer.PrintfLine("221 Goodbye.")
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return
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default:
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t.Fatal("unknown command:", command)
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}
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}
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}()
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return mock
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}
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// Closes the listening socket
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func (mock *ftpMock) Close() {
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mock.listener.Close()
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}
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// ftp.mozilla.org uses multiline 220 response
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func TestMultiline(t *testing.T) {
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if testing.Short() {
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t.Skip("skipping test in short mode.")
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}
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address := "localhost:2121"
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mock := newFtpMock(t, address)
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defer mock.Close()
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c, err := Dial(address)
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if err != nil {
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t.Fatal(err)
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}
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err = c.Login("anonymous", "anonymous")
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if err != nil {
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t.Fatal(err)
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}
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c.Quit()
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// Wait for the connection to close
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mock.Wait()
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expected := []string{"FEAT", "USER", "PASS", "TYPE", "QUIT"}
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if !reflect.DeepEqual(mock.commands, expected) {
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t.Fatal("unexpected sequence of commands:", mock.commands, "expected:", expected)
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}
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}
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