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add mTLS support - #60
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Pull request overview
This PR adds TLS/mTLS configuration to the IoTDB C# client, exposing client certificate + custom root CA options through both the fluent SessionPool/TableSessionPool builders and ADO.NET connection strings, and documenting how to map Java/keytool outputs to the .NET certificate model.
Changes:
- Extend
SessionPooland both builders to acceptClientCertificatePath,ClientCertificatePassword, andRootCertificatePath, and wire these into TLS transport creation and validation. - Add ADO.NET connection string keywords (
UseSsl,ClientCertificatePath,ClientCertificatePassword,RootCertificatePath) and update session creation to use the builder pipeline. - Add documentation (EN/ZH) and configuration-focused tests for the new options.
Reviewed changes
Copilot reviewed 9 out of 9 changed files in this pull request and generated 9 comments.
Show a summary per file
| File | Description |
|---|---|
| tests/Apache.IoTDB.Tests/MtlsConfigurationTests.cs | Adds tests asserting the new builder and connection-string configuration surfaces accept mTLS/TLS options. |
| tests/Apache.IoTDB.Tests/Apache.IoTDB.Tests.csproj | References Apache.IoTDB.Data to enable testing the ADO.NET connection string builder. |
| src/Apache.IoTDB/TableSessionPool.Builder.cs | Adds client/root certificate configuration to the table session pool builder and forwards into SessionPool. |
| src/Apache.IoTDB/SessionPool.cs | Implements certificate loading, custom root CA validation callback, and client cert selection for TLS sockets. |
| src/Apache.IoTDB/SessionPool.Builder.cs | Adds client/root certificate configuration to the main session pool builder and forwards into SessionPool. |
| src/Apache.IoTDB.Data/IoTDBConnectionStringBuilder.cs | Adds new connection string keywords/properties for TLS/mTLS, and fixes TimeOut setter serialization. |
| src/Apache.IoTDB.Data/DataReaderExtensions.cs | Routes ADO.NET session creation through SessionPool.Builder() so TLS/mTLS options are applied. |
| README.md | Documents TLS/mTLS usage and keytool artifact mapping; provides builder + connection string examples. |
| README_ZH.md | Chinese version of the TLS/mTLS documentation and examples. |
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Comment on lines
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| public Builder SetClientCertificatePath(string clientCertificatePath) | ||
| { | ||
| _certificatePath = certificatePath; | ||
| _clientCertificatePath = clientCertificatePath; | ||
| return this; | ||
| } |
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| public Builder SetClientCertificatePath(string clientCertificatePath) | ||
| { | ||
| _certificatePath = certificatePath; | ||
| _clientCertificatePath = clientCertificatePath; | ||
| return this; | ||
| } |
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Comment on lines
+105
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+109
| public Builder SetClientCertificatePath(string clientCertificatePath) | ||
| { | ||
| _certificatePath = certificatePath; | ||
| _clientCertificatePath = clientCertificatePath; | ||
| return this; | ||
| } |
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+112
| public Builder SetClientCertificatePath(string clientCertificatePath) | ||
| { | ||
| _certificatePath = certificatePath; | ||
| _clientCertificatePath = clientCertificatePath; | ||
| return this; | ||
| } |
| | keytool artifact | C# client usage | | ||
| | --- | --- | | ||
| | `ca.crt` | Pass to `SetRootCertificatePath` / `RootCertificatePath` to trust the server certificate | | ||
| | `client.keystore` | Contains the client private key and certificate chain; JDK 17 creates PKCS#12 by default, so pass it directly to `SetClientCertificatePath` | |
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Summary
ClientCertificatePath,ClientCertificatePassword, andRootCertificatePathoptions.SessionPool, including ADO.NET connection string support.client.keystoreandca.crt.Impact
Users can now configure one-way TLS with a private CA and mTLS client certificates through both the fluent builders and ADO.NET connection strings. The documented Java/keytool workflow now maps directly to the C# parameters.
Validation
git diff --checkdotnet build tests/Apache.IoTDB.Tests/Apache.IoTDB.Tests.csproj -f net5.0 --no-restore -v:minimal -clp:ErrorsOnly