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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"
"testing"
"strings"
"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 TestMongoDBCRAuthenticator_Fails(t *testing.T) {
t.Parallel()
authenticator := MongoDBCRAuthenticator{
DB: "source",
Username: "user",
Password: "pencil",
}
resps := make(chan []byte, 2)
writeReplies(t, resps, bsoncore.BuildDocumentFromElements(nil,
bsoncore.AppendInt32Element(nil, "ok", 1),
bsoncore.AppendStringElement(nil, "nonce", "2375531c32080ae8"),
), bsoncore.BuildDocumentFromElements(nil,
bsoncore.AppendInt32Element(nil, "ok", 0),
))
desc := description.Server{
WireVersion: &description.VersionRange{
Max: 6,
},
}
c := &drivertest.ChannelConn{
Written: make(chan []byte, 2),
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 \"MONGODB-CR\""
if !strings.HasPrefix(err.Error(), errPrefix) {
t.Fatalf("expected an err starting with \"%s\" but got \"%s\"", errPrefix, err)
}
}
func TestMongoDBCRAuthenticator_Succeeds(t *testing.T) {
t.Parallel()
authenticator := MongoDBCRAuthenticator{
DB: "source",
Username: "user",
Password: "pencil",
}
resps := make(chan []byte, 2)
writeReplies(t, resps, bsoncore.BuildDocumentFromElements(nil,
bsoncore.AppendInt32Element(nil, "ok", 1),
bsoncore.AppendStringElement(nil, "nonce", "2375531c32080ae8"),
), bsoncore.BuildDocumentFromElements(nil,
bsoncore.AppendInt32Element(nil, "ok", 1),
))
desc := description.Server{
WireVersion: &description.VersionRange{
Max: 6,
},
}
c := &drivertest.ChannelConn{
Written: make(chan []byte, 2),
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) != 2 {
t.Fatalf("expected 2 messages to be sent but had %d", len(c.Written))
}
want := bsoncore.BuildDocumentFromElements(nil, bsoncore.AppendInt32Element(nil, "getnonce", 1))
compareResponses(t, <-c.Written, want, "source")
expectedAuthenticateDoc := bsoncore.BuildDocumentFromElements(nil,
bsoncore.AppendInt32Element(nil, "authenticate", 1),
bsoncore.AppendStringElement(nil, "user", "user"),
bsoncore.AppendStringElement(nil, "nonce", "2375531c32080ae8"),
bsoncore.AppendStringElement(nil, "key", "21742f26431831d5cfca035a08c5bdf6"),
)
compareResponses(t, <-c.Written, expectedAuthenticateDoc, "source")
}
func writeReplies(t *testing.T, c chan []byte, docs ...bsoncore.Document) {
for _, doc := range docs {
reply := drivertest.MakeReply(doc)
c <- reply
}
}
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