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bridge: implement Credential Resource for CA Configuration during onb…
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| /**************************************************************************** | ||
| * | ||
| * 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. | ||
| * | ||
| ****************************************************************************/ | ||
|
|
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| package credential | ||
|
|
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| import "github.com/plgd-dev/device/v2/schema/credential" | ||
|
|
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| type Config = credential.CredentialResponse |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,172 @@ | ||
| /**************************************************************************** | ||
| * | ||
| * 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 credential | ||
|
|
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| import ( | ||
| "crypto/x509" | ||
|
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| "github.com/plgd-dev/device/v2/bridge/net" | ||
| "github.com/plgd-dev/device/v2/bridge/resources" | ||
| "github.com/plgd-dev/device/v2/pkg/codec/cbor" | ||
| pkgX509 "github.com/plgd-dev/device/v2/pkg/security/x509" | ||
| "github.com/plgd-dev/device/v2/schema/credential" | ||
| "github.com/plgd-dev/device/v2/schema/interfaces" | ||
| "github.com/plgd-dev/go-coap/v3/message/codes" | ||
| "github.com/plgd-dev/go-coap/v3/message/pool" | ||
| "github.com/plgd-dev/go-coap/v3/pkg/sync" | ||
| ) | ||
|
|
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| type Manager struct { | ||
| credentials *sync.Map[int, credential.Credential] | ||
| save func() | ||
| } | ||
|
|
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| func New(save func()) *Manager { | ||
| if save == nil { | ||
| save = func() { | ||
| // do nothing | ||
| } | ||
| } | ||
| return &Manager{ | ||
| save: save, | ||
| credentials: sync.NewMap[int, credential.Credential](), | ||
| } | ||
| } | ||
|
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| func (m *Manager) GetCAPool() []*x509.Certificate { | ||
| certs := make([]*x509.Certificate, 0, m.credentials.Length()) | ||
| m.credentials.Range(func(key int, value credential.Credential) bool { | ||
| if value.Type != credential.CredentialType_ASYMMETRIC_SIGNING_WITH_CERTIFICATE { | ||
| return true | ||
| } | ||
| if value.Usage != credential.CredentialUsage_TRUST_CA && value.Usage != credential.CredentialUsage_MFG_TRUST_CA { | ||
| return true | ||
| } | ||
| cas, err := pkgX509.ParsePemCertificates(value.PublicData.Data()) | ||
| if err != nil { | ||
| return true | ||
| } | ||
| certs = append(certs, cas...) | ||
| return true | ||
| }) | ||
| return certs | ||
| } | ||
|
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| func (m *Manager) getNextID() int { | ||
| var id int | ||
| m.credentials.Range(func(key int, value credential.Credential) bool { | ||
| if key > id { | ||
| id = key | ||
| } | ||
| return true | ||
| }) | ||
| return id + 1 | ||
| } | ||
|
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| func (m *Manager) add(c credential.Credential) { | ||
| for { | ||
| _, loaded := m.credentials.LoadOrStore(c.ID, c) | ||
| if !loaded { | ||
| return | ||
| } | ||
| c.ID = m.getNextID() | ||
| } | ||
| } | ||
|
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| func (m *Manager) AddOrReplaceCredential(c credential.Credential) { | ||
| if c.Type == credential.CredentialType_EMPTY { | ||
| return | ||
| } | ||
| if c.ID != 0 { | ||
| // replace | ||
| m.credentials.Store(c.ID, c) | ||
| return | ||
| } | ||
| // add | ||
| m.add(c) | ||
| } | ||
|
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| func (m *Manager) AddOrReplaceCredentials(ca ...credential.Credential) { | ||
| for _, c := range ca { | ||
| m.AddOrReplaceCredential(c) | ||
| } | ||
| } | ||
|
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| func (m *Manager) RemoveCredentials(ids ...int) { | ||
| for _, id := range ids { | ||
| m.credentials.Delete(id) | ||
| } | ||
| } | ||
|
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| func (m *Manager) RemoveCredentialsBySubjects(subjects ...string) { | ||
| m.credentials.Range(func(key int, value credential.Credential) bool { | ||
| for _, subject := range subjects { | ||
| if value.Subject == subject { | ||
| m.credentials.Delete(key) | ||
| } | ||
| } | ||
| return true | ||
| }) | ||
| } | ||
|
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| func (m *Manager) ClearCredentials() { | ||
| _ = m.credentials.LoadAndDeleteAll() | ||
| } | ||
|
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| func (m *Manager) getRep(privateData bool) credential.CredentialResponse { | ||
| cas := m.credentials.CopyData() | ||
| creds := credential.CredentialResponse{ | ||
| Interfaces: []string{interfaces.OC_IF_BASELINE, interfaces.OC_IF_RW}, | ||
| ResourceTypes: []string{credential.ResourceType}, | ||
| Credentials: make([]credential.Credential, 0, len(cas)), | ||
| } | ||
| for _, cred := range cas { | ||
| if !privateData { | ||
| // remove private data | ||
| cred.PrivateData = nil | ||
| } | ||
| creds.Credentials = append(creds.Credentials, cred) | ||
| } | ||
| return creds | ||
| } | ||
|
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| func (m *Manager) Get(request *net.Request) (*pool.Message, error) { | ||
| creds := m.getRep(false) | ||
| return resources.CreateResponseContent(request.Context(), creds, codes.Content) | ||
| } | ||
|
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| func (m *Manager) Post(request *net.Request) (*pool.Message, error) { | ||
| var cfg credential.CredentialUpdateRequest | ||
| err := cbor.ReadFrom(request.Body(), &cfg) | ||
| if err != nil { | ||
| return resources.CreateResponseBadRequest(request.Context(), err) | ||
| } | ||
| m.AddOrReplaceCredentials(cfg.Credentials...) | ||
| m.save() | ||
| creds := m.getRep(false) | ||
| return resources.CreateResponseContent(request.Context(), creds, codes.Changed) | ||
| } | ||
|
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| func (m *Manager) ExportConfig() Config { | ||
| return m.getRep(true) | ||
| } | ||
|
|
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| func (m *Manager) Close() { | ||
| m.ClearCredentials() | ||
| } |
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