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// Copyright (C) MongoDB, Inc. 2017-present.
//
// 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
package auth_test
import (
"context"
"strings"
"testing"
"encoding/base64"
"go.mongodb.org/mongo-driver/mongo/description"
"go.mongodb.org/mongo-driver/x/bsonx/bsoncore"
. "go.mongodb.org/mongo-driver/x/mongo/driver/auth"
"go.mongodb.org/mongo-driver/x/mongo/driver/drivertest"
)
func TestPlainAuthenticator_Fails(t *testing.T) {
t.Parallel()
authenticator := PlainAuthenticator{
Username: "user",
Password: "pencil",
}
resps := make(chan []byte, 1)
writeReplies(t, resps, bsoncore.BuildDocumentFromElements(nil,
bsoncore.AppendInt32Element(nil, "ok", 1),
bsoncore.AppendInt32Element(nil, "conversationId", 1),
bsoncore.AppendBinaryElement(nil, "payload", 0x00, []byte{}),
bsoncore.AppendInt32Element(nil, "code", 143),
bsoncore.AppendBooleanElement(nil, "done", true),
))
desc := description.Server{
WireVersion: &description.VersionRange{
Max: 6,
},
}
c := &drivertest.ChannelConn{
Written: make(chan []byte, 1),
ReadResp: resps,
Desc: desc,
}
err := authenticator.Auth(context.Background(), &Config{Description: desc, Connection: c})
if err == nil {
t.Fatalf("expected an error but got none")
}
errPrefix := "unable to authenticate using mechanism \"PLAIN\""
if !strings.HasPrefix(err.Error(), errPrefix) {
t.Fatalf("expected an err starting with \"%s\" but got \"%s\"", errPrefix, err)
}
}
func TestPlainAuthenticator_Extra_server_message(t *testing.T) {
t.Parallel()
authenticator := PlainAuthenticator{
Username: "user",
Password: "pencil",
}
resps := make(chan []byte, 2)
writeReplies(t, resps, bsoncore.BuildDocumentFromElements(nil,
bsoncore.AppendInt32Element(nil, "ok", 1),
bsoncore.AppendInt32Element(nil, "conversationId", 1),
bsoncore.AppendBinaryElement(nil, "payload", 0x00, []byte{}),
bsoncore.AppendBooleanElement(nil, "done", false),
), bsoncore.BuildDocumentFromElements(nil,
bsoncore.AppendInt32Element(nil, "ok", 1),
bsoncore.AppendInt32Element(nil, "conversationId", 1),
bsoncore.AppendBinaryElement(nil, "payload", 0x00, []byte{}),
bsoncore.AppendBooleanElement(nil, "done", true),
))
desc := description.Server{
WireVersion: &description.VersionRange{
Max: 6,
},
}
c := &drivertest.ChannelConn{
Written: make(chan []byte, 1),
ReadResp: resps,
Desc: desc,
}
err := authenticator.Auth(context.Background(), &Config{Description: desc, Connection: c})
if err == nil {
t.Fatalf("expected an error but got none")
}
errPrefix := "unable to authenticate using mechanism \"PLAIN\": unexpected server challenge"
if !strings.HasPrefix(err.Error(), errPrefix) {
t.Fatalf("expected an err starting with \"%s\" but got \"%s\"", errPrefix, err)
}
}
func TestPlainAuthenticator_Succeeds(t *testing.T) {
t.Parallel()
authenticator := PlainAuthenticator{
Username: "user",
Password: "pencil",
}
resps := make(chan []byte, 1)
writeReplies(t, resps, bsoncore.BuildDocumentFromElements(nil,
bsoncore.AppendInt32Element(nil, "ok", 1),
bsoncore.AppendInt32Element(nil, "conversationId", 1),
bsoncore.AppendBinaryElement(nil, "payload", 0x00, []byte{}),
bsoncore.AppendBooleanElement(nil, "done", true),
))
desc := description.Server{
WireVersion: &description.VersionRange{
Max: 6,
},
}
c := &drivertest.ChannelConn{
Written: make(chan []byte, 1),
ReadResp: resps,
Desc: desc,
}
err := authenticator.Auth(context.Background(), &Config{Description: desc, Connection: c})
if err != nil {
t.Fatalf("expected no error but got \"%s\"", err)
}
if len(c.Written) != 1 {
t.Fatalf("expected 1 messages to be sent but had %d", len(c.Written))
}
payload, _ := base64.StdEncoding.DecodeString("AHVzZXIAcGVuY2ls")
expectedCmd := bsoncore.BuildDocumentFromElements(nil,
bsoncore.AppendInt32Element(nil, "saslStart", 1),
bsoncore.AppendStringElement(nil, "mechanism", "PLAIN"),
bsoncore.AppendBinaryElement(nil, "payload", 0x00, payload),
)
compareResponses(t, <-c.Written, expectedCmd, "$external")
}
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