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bridge: use secured TLS communication
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| /**************************************************************************** | ||
| * | ||
| * Copyright (c) 2023 plgd.dev s.r.o. | ||
| * | ||
| * 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 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, | ||
| * either express or implied. See the License for the specific | ||
| * language governing permissions and limitations under the License. | ||
| * | ||
| ****************************************************************************/ | ||
|
|
||
| package cloud | ||
|
|
||
| type OptionsCfg struct { | ||
| maxMessageSize uint32 | ||
| getCertificates GetCertificates | ||
| } | ||
|
|
||
| type Option func(*OptionsCfg) | ||
|
|
||
| func WithMaxMessageSize(maxMessageSize uint32) Option { | ||
| return func(o *OptionsCfg) { | ||
| if maxMessageSize > 0 { | ||
| o.maxMessageSize = maxMessageSize | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func WithGetCertificates(getCertificates GetCertificates) Option { | ||
| return func(o *OptionsCfg) { | ||
| o.getCertificates = getCertificates | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| /**************************************************************************** | ||
| * | ||
| * Copyright (c) 2024 plgd.dev s.r.o. | ||
| * | ||
| * 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 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, | ||
| * either express or implied. See the License for the specific | ||
| * language governing permissions and limitations under the License. | ||
| * | ||
| ****************************************************************************/ | ||
|
|
||
| package cloud | ||
|
|
||
| import ( | ||
| "crypto/x509" | ||
| "fmt" | ||
| ) | ||
|
|
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| type GetCAPool func() []*x509.Certificate | ||
|
|
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| type CAPool struct { | ||
| getCAPool GetCAPool | ||
| useSystemCAPool bool | ||
| } | ||
|
|
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| func MakeCAPool(getCAPool GetCAPool, useSystemCAPool bool) CAPool { | ||
| return CAPool{ | ||
| getCAPool: getCAPool, | ||
| useSystemCAPool: useSystemCAPool, | ||
| } | ||
| } | ||
|
|
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| func (c *CAPool) IsValid() bool { | ||
| return c.useSystemCAPool || (c.getCAPool != nil && c.getCAPool() != nil) | ||
| } | ||
|
|
||
| func (c *CAPool) GetPool() (*x509.CertPool, error) { | ||
| var pool *x509.CertPool | ||
| if c.useSystemCAPool { | ||
| systemPool, err := x509.SystemCertPool() | ||
| if err != nil { | ||
| return nil, fmt.Errorf("cannot get system pool: %w", err) | ||
| } | ||
| pool = systemPool | ||
| } else { | ||
| pool = x509.NewCertPool() | ||
| } | ||
| for _, ca := range c.getCAPool() { | ||
| pool.AddCert(ca) | ||
| } | ||
| return pool, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| /**************************************************************************** | ||
| * | ||
| * Copyright (c) 2024 plgd.dev s.r.o. | ||
| * | ||
| * 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 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, | ||
| * either express or implied. See the License for the specific | ||
| * language governing permissions and limitations under the License. | ||
| * | ||
| ****************************************************************************/ | ||
|
|
||
| package cloud_test | ||
|
|
||
| import ( | ||
| "crypto/x509" | ||
| "testing" | ||
|
|
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| "github.com/plgd-dev/device/v2/bridge/device/cloud" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
|
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| func TestGetPool(t *testing.T) { | ||
| getCAPool := func() []*x509.Certificate { | ||
| return []*x509.Certificate{{}} | ||
| } | ||
| caPool1 := cloud.MakeCAPool(getCAPool, true) | ||
| require.True(t, caPool1.IsValid()) | ||
| _, err := caPool1.GetPool() | ||
| require.NoError(t, err) | ||
|
|
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| caPool2 := cloud.MakeCAPool(getCAPool, false) | ||
| require.True(t, caPool2.IsValid()) | ||
| _, err = caPool2.GetPool() | ||
| require.NoError(t, err) | ||
| } |
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