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Code Issues Releases Wiki Activity

Wip: Remove allowNested, add FileUtil

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This commit is contained in:
Paul Schaub 2021-08-19 16:44:29 +02:00
parent 772f69788b
commit 4e83281213
9 changed files with 129 additions and 132 deletions
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89
sop-java-picocli/src/main/java/sop/cli/picocli/FileUtil.java Normal file
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@ -0,0 +1,89 @@
/*
* Copyright 2021 Paul Schaub.
*
* 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 sop.cli.picocli;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import sop.exception.SOPGPException;
public class FileUtil {
private static final String ERROR_AMBIGUOUS = "File name '%s' is ambiguous. File with the same name exists on the filesystem.";
private static final String ERROR_ENV_FOUND = "Environment variable '%s' not set.";
private static final String ERROR_OUTPUT_EXISTS = "Output file '%s' already exists.";
private static final String ERROR_INPUT_NOT_EXIST = "File '%s' does not exist.";
private static final String ERROR_CANNOT_CREATE_FILE = "Output file '%s' cannot be created: %s";
public static final String PRFX_ENV = "@ENV:";
public static final String PRFX_FD = "@FD:";
public static File getFile(String fileName) {
if (fileName == null) {
throw new NullPointerException("File name cannot be null.");
}
if (fileName.startsWith(PRFX_ENV)) {
if (new File(fileName).exists()) {
throw new SOPGPException.AmbiguousInput(String.format(ERROR_AMBIGUOUS, fileName));
}
String envName = fileName.substring(PRFX_ENV.length());
String envValue = System.getenv(envName);
if (envValue == null) {
throw new IllegalArgumentException(String.format(ERROR_ENV_FOUND, envName));
}
return new File(envValue);
} else if (fileName.startsWith(PRFX_FD)) {
if (new File(fileName).exists()) {
throw new SOPGPException.AmbiguousInput(String.format(ERROR_AMBIGUOUS, fileName));
}
throw new IllegalArgumentException("File descriptors not supported.");
}
return new File(fileName);
}
public static FileInputStream getFileInputStream(String fileName) {
File file = getFile(fileName);
try {
FileInputStream inputStream = new FileInputStream(file);
return inputStream;
} catch (FileNotFoundException e) {
throw new SOPGPException.MissingInput(String.format(ERROR_INPUT_NOT_EXIST, fileName), e);
}
}
public static File createNewFileOrThrow(File file) throws IOException {
if (file == null) {
throw new NullPointerException("File cannot be null.");
}
try {
if (!file.createNewFile()) {
throw new SOPGPException.OutputExists(String.format(ERROR_OUTPUT_EXISTS, file.getAbsolutePath()));
}
} catch (IOException e) {
throw new IOException(String.format(ERROR_CANNOT_CREATE_FILE, file.getAbsolutePath(), e.getMessage()));
}
return file;
}
}

12
sop-java-picocli/src/main/java/sop/cli/picocli/commands/ArmorCmd.java
View file

@ -33,21 +33,9 @@ public class ArmorCmd implements Runnable {
@CommandLine.Option(names = {"--label"}, description = "Label to be used in the header and tail of the armoring.", paramLabel = "{auto|sig|key|cert|message}")
ArmorLabel label;
@CommandLine.Option(names = {"--allow-nested"}, description = "Allow additional armoring of already armored input")
boolean allowNested = false;
@Override
public void run() {
Armor armor = SopCLI.getSop().armor();
if (allowNested) {
try {
armor.allowNested();
} catch (SOPGPException.UnsupportedOption unsupportedOption) {
Print.errln("Option --allow-nested is not supported.");
Print.trace(unsupportedOption);
System.exit(unsupportedOption.getExitCode());
}
}
if (label != null) {
try {
armor.label(label);

58
sop-java-picocli/src/main/java/sop/cli/picocli/commands/DecryptCmd.java
View file

@ -32,6 +32,7 @@ import sop.ReadyWithResult;
import sop.SessionKey;
import sop.Verification;
import sop.cli.picocli.DateParser;
import sop.cli.picocli.FileUtil;
import sop.cli.picocli.SopCLI;
import sop.exception.SOPGPException;
import sop.operation.Decrypt;
@ -42,8 +43,15 @@ import sop.util.HexUtil;
exitCodeOnInvalidInput = SOPGPException.UnsupportedOption.EXIT_CODE)
public class DecryptCmd implements Runnable {
private static final String SESSION_KEY_OUT = "--session-key-out";
private static final String VERIFY_OUT = "--verify-out";
private static final String ERROR_UNSUPPORTED_OPTION = "Option '%s' is not supported.";
private static final String ERROR_FILE_NOT_EXIST = "File '%s' does not exist.";
private static final String ERROR_OUTPUT_OF_OPTION_EXISTS = "Target %s of option %s already exists.";
@CommandLine.Option(
names = {"--session-key-out"},
names = {SESSION_KEY_OUT},
description = "Can be used to learn the session key on successful decryption",
paramLabel = "SESSIONKEY")
File sessionKeyOut;
@ -60,7 +68,7 @@ public class DecryptCmd implements Runnable {
paramLabel = "PASSWORD")
List<String> withPassword = new ArrayList<>();
@CommandLine.Option(names = {"--verify-out"},
@CommandLine.Option(names = {VERIFY_OUT},
description = "Produces signature verification status to the designated file",
paramLabel = "VERIFICATIONS")
File verifyOut;
@ -92,7 +100,8 @@ public class DecryptCmd implements Runnable {
@Override
public void run() {
throwIfVerifyOutExists(verifyOut);
throwIfOutputExists(verifyOut, VERIFY_OUT);
throwIfOutputExists(sessionKeyOut, SESSION_KEY_OUT);
Decrypt decrypt = SopCLI.getSop().decrypt();
if (decrypt == null) {
@ -107,7 +116,8 @@ public class DecryptCmd implements Runnable {
setDecryptWith(keys, decrypt);
if (verifyOut != null && certs.isEmpty()) {
throw new SOPGPException.IncompleteVerification("--verify-out is requested, but no --verify-with was provided.");
String errorMessage = "Option %s is requested, but no option %s was provided.";
throw new SOPGPException.IncompleteVerification(String.format(errorMessage, VERIFY_OUT, "--verify-with"));
}
try {
@ -122,11 +132,19 @@ public class DecryptCmd implements Runnable {
}
}
private void throwIfOutputExists(File outputFile, String optionName) {
if (outputFile == null) {
return;
}
if (outputFile.exists()) {
throw new SOPGPException.OutputExists(String.format(ERROR_OUTPUT_OF_OPTION_EXISTS, outputFile.getAbsolutePath(), optionName));
}
}
private void writeVerifyOut(DecryptionResult result) throws IOException {
if (verifyOut != null) {
if (!verifyOut.createNewFile()) {
throw new IOException("Cannot create file " + verifyOut.getAbsolutePath());
}
FileUtil.createNewFileOrThrow(verifyOut);
try (FileOutputStream outputStream = new FileOutputStream(verifyOut)) {
PrintWriter writer = new PrintWriter(outputStream);
for (Verification verification : result.getVerifications()) {
@ -141,9 +159,7 @@ public class DecryptCmd implements Runnable {
private void writeSessionKeyOut(DecryptionResult result) throws IOException {
if (sessionKeyOut != null) {
if (sessionKeyOut.exists()) {
throw new SOPGPException.OutputExists("Target " + sessionKeyOut.getAbsolutePath() + " of option --session-key-out already exists.");
}
FileUtil.createNewFileOrThrow(sessionKeyOut);
try (FileOutputStream outputStream = new FileOutputStream(sessionKeyOut)) {
if (!result.getSessionKey().isPresent()) {
@ -157,16 +173,6 @@ public class DecryptCmd implements Runnable {
}
}
private void throwIfVerifyOutExists(File verifyOut) throws SOPGPException.OutputExists {
if (verifyOut == null) {
return;
}
if (verifyOut.exists()) {
throw new SOPGPException.OutputExists("Target " + verifyOut.getAbsolutePath() + " of option --verify-out already exists.");
}
}
private void setDecryptWith(List<File> keys, Decrypt decrypt) {
for (File key : keys) {
try (FileInputStream keyIn = new FileInputStream(key)) {
@ -176,7 +182,7 @@ public class DecryptCmd implements Runnable {
} catch (SOPGPException.BadData badData) {
throw new SOPGPException.BadData("File " + key.getAbsolutePath() + " does not contain a private key.", badData);
} catch (FileNotFoundException e) {
throw new SOPGPException.MissingInput("File " + key.getAbsolutePath() + " does not exist.", e);
throw new SOPGPException.MissingInput(String.format(ERROR_FILE_NOT_EXIST, key.getAbsolutePath()), e);
} catch (IOException e) {
throw new RuntimeException(e);
}
@ -188,7 +194,7 @@ public class DecryptCmd implements Runnable {
try (FileInputStream certIn = new FileInputStream(cert)) {
decrypt.verifyWithCert(certIn);
} catch (FileNotFoundException e) {
throw new SOPGPException.MissingInput("File " + cert.getAbsolutePath() + " does not exist.", e);
throw new SOPGPException.MissingInput(String.format(ERROR_FILE_NOT_EXIST, cert.getAbsolutePath()), e);
} catch (SOPGPException.BadData badData) {
throw new SOPGPException.BadData("File " + cert.getAbsolutePath() + " does not contain a valid certificate.", badData);
} catch (IOException ioException) {
@ -210,7 +216,7 @@ public class DecryptCmd implements Runnable {
try {
decrypt.withSessionKey(new SessionKey(algorithm, key));
} catch (SOPGPException.UnsupportedOption unsupportedOption) {
throw new SOPGPException.UnsupportedOption("Unsupported option '--with-session-key'.", unsupportedOption);
throw new SOPGPException.UnsupportedOption(String.format(ERROR_UNSUPPORTED_OPTION, "--with-session-key"), unsupportedOption);
}
}
}
@ -220,7 +226,7 @@ public class DecryptCmd implements Runnable {
try {
decrypt.withPassword(password);
} catch (SOPGPException.UnsupportedOption unsupportedOption) {
throw new SOPGPException.UnsupportedOption("Unsupported option '--with-password'.", unsupportedOption);
throw new SOPGPException.UnsupportedOption(String.format(ERROR_UNSUPPORTED_OPTION, "--with-password"), unsupportedOption);
}
}
}
@ -230,7 +236,7 @@ public class DecryptCmd implements Runnable {
try {
decrypt.verifyNotAfter(notAfterDate);
} catch (SOPGPException.UnsupportedOption unsupportedOption) {
throw new SOPGPException.UnsupportedOption("Option '--not-after' not supported.", unsupportedOption);
throw new SOPGPException.UnsupportedOption(String.format(ERROR_UNSUPPORTED_OPTION, "--not-after"), unsupportedOption);
}
}
@ -239,7 +245,7 @@ public class DecryptCmd implements Runnable {
try {
decrypt.verifyNotBefore(notBeforeDate);
} catch (SOPGPException.UnsupportedOption unsupportedOption) {
throw new SOPGPException.UnsupportedOption("Option '--not-before' not supported.", unsupportedOption);
throw new SOPGPException.UnsupportedOption(String.format(ERROR_UNSUPPORTED_OPTION, "--not-before"), unsupportedOption);
}
}
}

20
sop-java-picocli/src/test/java/sop/cli/picocli/commands/ArmorCmdTest.java
View file

@ -51,18 +51,6 @@ public class ArmorCmdTest {
SopCLI.setSopInstance(sop);
}
@Test
public void assertAllowNestedIsCalledWhenFlagged() throws SOPGPException.UnsupportedOption {
SopCLI.main(new String[] {"armor", "--allow-nested"});
verify(armor, times(1)).allowNested();
}
@Test
public void assertAllowNestedIsNotCalledByDefault() throws SOPGPException.UnsupportedOption {
SopCLI.main(new String[] {"armor"});
verify(armor, never()).allowNested();
}
@Test
public void assertLabelIsNotCalledByDefault() throws SOPGPException.UnsupportedOption {
SopCLI.main(new String[] {"armor"});
@ -97,14 +85,6 @@ public class ArmorCmdTest {
SopCLI.main(new String[] {"armor", "--label", "Sig"});
}
@Test
@ExpectSystemExitWithStatus(37)
public void ifAllowNestedUnsupportedExit37() throws SOPGPException.UnsupportedOption {
when(armor.allowNested()).thenThrow(new SOPGPException.UnsupportedOption("Allowing nested Armor not supported."));
SopCLI.main(new String[] {"armor", "--allow-nested"});
}
@Test
@ExpectSystemExitWithStatus(41)
public void ifBadDataExit41() throws SOPGPException.BadData {