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Minor improvements

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This commit is contained in:
TwinProduction 2021-09-30 20:45:47 -04:00
parent 30cb7b6ec8
commit bc25fea1c0
2 changed files with 55 additions and 63 deletions
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24
client/client.go
View file

@ -40,7 +40,7 @@ func CanPerformStartTLS(address string, config *Config) (connected bool, certifi
}
conn, err := net.DialTimeout("tcp", address, config.Timeout)
if err != nil {
return
return
}
smtpClient, err := smtp.NewClient(conn, hostAndPort[0])
if err != nil {
@ -63,24 +63,16 @@ func CanPerformStartTLS(address string, config *Config) (connected bool, certifi
// CanPerformTLS checks whether a connection can be established to an address using the TLS protocol
func CanPerformTLS(address string, config *Config) (connected bool, certificate *x509.Certificate, err error) {
conn, err := tls.DialWithDialer(&net.Dialer{Timeout: config.Timeout}, "tcp", address, nil)
connection, err := tls.DialWithDialer(&net.Dialer{Timeout: config.Timeout}, "tcp", address, nil)
if err != nil {
return
return
}
defer conn.Close()
verifiedChains := conn.ConnectionState().VerifiedChains
if len(verifiedChains) == 0 {
return
defer connection.Close()
verifiedChains := connection.ConnectionState().VerifiedChains
if len(verifiedChains) == 0 || len(verifiedChains[0]) == 0 {
return
}
chain := verifiedChains[0] // VerifiedChains[0] == PeerCertificates[0]
if len(chain) == 0 {
return
}
certificate = chain[0]
return true, certificate, nil
return true, verifiedChains[0][0], nil
}
// Ping checks if an address can be pinged and returns the round-trip time if the address can be pinged

94
client/client_test.go
View file

@ -92,53 +92,53 @@ func TestCanPerformStartTLS(t *testing.T) {
}
func TestCanPerformTLS(t *testing.T) {
type args struct {
address string
insecure bool
}
tests := []struct {
name string
args args
wantConnected bool
wantErr bool
}{
{
name: "invalid address",
args: args{
address: "test",
},
wantConnected: false,
wantErr: true,
},
{
name: "error dial",
args: args{
address: "test:1234",
},
wantConnected: false,
wantErr: true,
},
{
name: "valid tls",
args: args{
address: "smtp.gmail.com:465",
},
wantConnected: true,
wantErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
connected, _, err := CanPerformTLS(tt.args.address, &Config{Insecure: tt.args.insecure, Timeout: 5 * time.Second})
if (err != nil) != tt.wantErr {
t.Errorf("CanPerformTLS() err=%v, wantErr=%v", err, tt.wantErr)
return
}
if connected != tt.wantConnected {
t.Errorf("CanPerformTLS() connected=%v, wantConnected=%v", connected, tt.wantConnected)
}
})
}
type args struct {
address string
insecure bool
}
tests := []struct {
name string
args args
wantConnected bool
wantErr bool
}{
{
name: "invalid address",
args: args{
address: "test",
},
wantConnected: false,
wantErr: true,
},
{
name: "error dial",
args: args{
address: "test:1234",
},
wantConnected: false,
wantErr: true,
},
{
name: "valid tls",
args: args{
address: "smtp.gmail.com:465",
},
wantConnected: true,
wantErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
connected, _, err := CanPerformTLS(tt.args.address, &Config{Insecure: tt.args.insecure, Timeout: 5 * time.Second})
if (err != nil) != tt.wantErr {
t.Errorf("CanPerformTLS() err=%v, wantErr=%v", err, tt.wantErr)
return
}
if connected != tt.wantConnected {
t.Errorf("CanPerformTLS() connected=%v, wantConnected=%v", connected, tt.wantConnected)
}
})
}
}
func TestCanCreateTCPConnection(t *testing.T) {