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com.predic8.membrane.core.transport.ssl.acme.AcmeFileStorageEngine Maven / Gradle / Ivy
/* Copyright 2022 predic8 GmbH, www.predic8.com
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 com.predic8.membrane.core.transport.ssl.acme;
import com.google.common.collect.ImmutableList;
import com.predic8.membrane.core.config.security.acme.FileStorage;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.StandardOpenOption;
import java.util.Arrays;
import java.util.List;
import java.util.Random;
import java.util.UUID;
import java.util.stream.Collectors;
public class AcmeFileStorageEngine implements AcmeSynchronizedStorageEngine {
private static final Random random = new Random();
private final String id = UUID.randomUUID().toString();
private final File base;
public AcmeFileStorageEngine(FileStorage fileStorage) {
base = new File(fileStorage.getDir());
}
@Override
public String getAccountKey() {
try {
File file = new File(base, "account.jwk.json");
if (!file.exists())
return null;
return Files.readAllLines(file.toPath()).stream().collect(Collectors.joining(System.lineSeparator()));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public void setAccountKey(String key) {
File file = new File(base, "account.jwk.json");
try {
Files.write(file.toPath(), ImmutableList.of(key));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public void setKeyPair(String[] hosts, AcmeKeyPair key) {
try {
File file = new File(base, "key-" + id(hosts) + "-pub.pem");
Files.write(file.toPath(), ImmutableList.of(key.getPublicKey()));
file = new File(base, "key-" + id(hosts) + ".pem");
Files.write(file.toPath(), ImmutableList.of(key.getPrivateKey()));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public String getPublicKey(String[] hosts) {
try {
File file = new File(base, "key-" + id(hosts) + "-pub.pem");
if (!file.exists())
return null;
return Files.readAllLines(file.toPath()).stream().collect(Collectors.joining(System.lineSeparator()));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public String getPrivateKey(String[] hosts) {
try {
File file = new File(base, "key-" + id(hosts) + ".pem");
if (!file.exists())
return null;
return Files.readAllLines(file.toPath()).stream().collect(Collectors.joining(System.lineSeparator()));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public void setCertChain(String[] hosts, String caChain) {
try {
File file = new File(base, "cert-" + id(hosts) + ".pem");
Files.write(file.toPath(), ImmutableList.of(caChain));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public String getCertChain(String[] hosts) {
try {
File file = new File(base, "cert-" + id(hosts) + ".pem");
if (!file.exists())
return null;
return Files.readAllLines(file.toPath()).stream().collect(Collectors.joining(System.lineSeparator()));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
private String id(String[] hosts) {
int i = Arrays.hashCode(hosts);
if (i < 0)
i = Integer.MAX_VALUE + i + 1;
return hosts[0] + "-" + i;
}
@Override
public void setToken(String host, String token) {
try {
File file = new File(base, "token-" + host + ".txt");
Files.write(file.toPath(), ImmutableList.of(token));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public String getToken(String host) {
try {
File file = new File(base, "token-" + host + ".txt");
if (!file.exists())
return null;
return Files.readAllLines(file.toPath()).stream().collect(Collectors.joining(System.lineSeparator()));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public String getAccountURL() {
try {
File file = new File(base, "account-url.txt");
if (!file.exists())
return null;
return Files.readAllLines(file.toPath()).stream().collect(Collectors.joining(System.lineSeparator()));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public void setAccountURL(String url) {
File file = new File(base, "account-url.txt");
try {
Files.write(file.toPath(), ImmutableList.of(url));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public String getAccountContacts() {
try {
File file = new File(base, "account-contacts.txt");
if (!file.exists())
return null;
return Files.readAllLines(file.toPath()).stream().collect(Collectors.joining(System.lineSeparator()));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public void setAccountContacts(String contacts) {
File file = new File(base, "account-contacts.txt");
try {
Files.write(file.toPath(), ImmutableList.of(contacts));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public String getOAL(String[] hosts) {
try {
File file = new File(base, "oal-" + id(hosts) + "-current.json");
if (!file.exists())
return null;
return Files.readAllLines(file.toPath()).stream().collect(Collectors.joining(System.lineSeparator()));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public void setOAL(String[] hosts, String oal) {
try {
File file = new File(base, "oal-" + id(hosts) + "-current.json");
Files.write(file.toPath(), ImmutableList.of(oal));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public String getOALError(String[] hosts) {
try {
File file = new File(base, "oal-" + id(hosts) + "-current-error.json");
if (!file.exists())
return null;
return Files.readAllLines(file.toPath()).stream().collect(Collectors.joining(System.lineSeparator()));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public void setOALError(String[] hosts, String oalError) {
try {
File file = new File(base, "oal-" + id(hosts) + "-current-error.json");
Files.write(file.toPath(), ImmutableList.of(oalError));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public String getOALKey(String[] hosts) {
try {
File file = new File(base, "oal-" + id(hosts) + "-current-key.json");
if (!file.exists())
return null;
return Files.readAllLines(file.toPath()).stream().collect(Collectors.joining(System.lineSeparator()));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public void setOALKey(String[] hosts, String oalKey) {
try {
File file = new File(base, "oal-" + id(hosts) + "-current-key.json");
Files.write(file.toPath(), ImmutableList.of(oalKey));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public void archiveOAL(String[] hosts) {
long now = System.currentTimeMillis();
String id = id(hosts);
attemptRename("oal-"+id+"-current.json", "oal-"+id+"-" + now + ".json");
attemptRename("oal-"+id+"-current-error.json", "oal-"+id+"-" + now + "-error.json");
attemptRename("oal-"+id+"-current-key.json", "oal-"+id+"-" + now + "-key.json");
}
private void attemptRename(String f1, String f2) {
File file1 = new File(base, f1);
File file2 = new File(base, f2);
if (file1.exists())
if (!file1.renameTo(file2))
throw new RuntimeException("Could not rename file " + file1.getAbsolutePath() + " to " + file2.getAbsolutePath() + " .");
}
@Override
public boolean acquireLease(long durationMillis) {
File f = new File(base, "lock.txt");
if (f.exists()) {
try {
List lines = Files.readAllLines(f.toPath());
if (lines.size() != 2) {
try {
Thread.sleep(random.nextInt(1000));
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
List lines2 = Files.readAllLines(f.toPath());
if (lines.size() == lines2.size()) {
f.delete();
}
return false;
}
if (Long.parseLong(lines.get(1)) > System.currentTimeMillis())
return false;
Files.delete(f.toPath());
} catch (IOException e) {
return false;
}
}
try {
Files.write(f.toPath(), ImmutableList.of(id, "" + (System.currentTimeMillis() + durationMillis)), StandardOpenOption.CREATE_NEW);
return true;
} catch (IOException e) {
return false;
}
}
@Override
public boolean prolongLease(long durationMillis) {
File f = new File(base, "lock.txt");
if (!f.exists())
return false;
try {
List lines = Files.readAllLines(f.toPath());
if (lines.size() != 2)
return false;
if (!lines.get(0).equals(id))
return false;
if (Long.parseLong(lines.get(1)) > System.currentTimeMillis())
return false;
Files.write(f.toPath(), ImmutableList.of(id, "" + (System.currentTimeMillis() + durationMillis)), StandardOpenOption.TRUNCATE_EXISTING);
return true;
} catch (IOException e) {
return false;
}
}
@Override
public void releaseLease() {
File f = new File(base, "lock.txt");
if (!f.exists())
return;
try {
List lines = Files.readAllLines(f.toPath());
if (lines.size() != 2)
return;
if (!lines.get(0).equals(id))
return;
Files.delete(f.toPath());
} catch (IOException ignored) {
}
}
}