75 lines
2.3 KiB
Java
75 lines
2.3 KiB
Java
// SPDX-FileCopyrightText: 2023 Paul Schaub <vanitasvitae@fsfe.org>
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//
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// SPDX-License-Identifier: Apache-2.0
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package sop.external.operation;
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import sop.Ready;
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import sop.enums.InlineSignAs;
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import sop.exception.SOPGPException;
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import sop.external.ExternalSOP;
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import sop.operation.InlineSign;
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import javax.annotation.Nonnull;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Properties;
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/**
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* Implementation of the {@link InlineSign} operation using an external SOP binary.
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*/
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public class InlineSignExternal implements InlineSign {
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private final List<String> commandList = new ArrayList<>();
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private final List<String> envList;
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private int keyCounter = 0;
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private int withKeyPasswordCounter = 0;
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public InlineSignExternal(String binary, Properties environment) {
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commandList.add(binary);
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commandList.add("inline-sign");
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envList = ExternalSOP.propertiesToEnv(environment);
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}
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@Override
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@Nonnull
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public InlineSign noArmor() {
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commandList.add("--no-armor");
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return this;
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}
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@Override
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@Nonnull
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public InlineSign key(@Nonnull InputStream key) throws SOPGPException.KeyCannotSign, SOPGPException.BadData, SOPGPException.UnsupportedAsymmetricAlgo, IOException {
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String envVar = "KEY_" + keyCounter++;
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commandList.add("@ENV:" + envVar);
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envList.add(envVar + "=" + ExternalSOP.readString(key));
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return this;
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}
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@Override
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@Nonnull
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public InlineSign withKeyPassword(@Nonnull byte[] password) throws SOPGPException.UnsupportedOption, SOPGPException.PasswordNotHumanReadable {
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String envVar = "WITH_KEY_PASSWORD_" + withKeyPasswordCounter++;
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commandList.add("--with-key-password=@ENV:" + envVar);
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envList.add(envVar + "=" + new String(password));
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return this;
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}
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@Override
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@Nonnull
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public InlineSign mode(@Nonnull InlineSignAs mode) throws SOPGPException.UnsupportedOption {
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commandList.add("--as=" + mode);
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return this;
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}
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@Override
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@Nonnull
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public Ready data(@Nonnull InputStream data) throws SOPGPException.KeyIsProtected, SOPGPException.ExpectedText {
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return ExternalSOP.executeTransformingOperation(Runtime.getRuntime(), commandList, envList, data);
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}
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}
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