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Create config directory/files as only user readable

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Directories are created with mode 700, files with 600

Fixes #21
This commit is contained in:
AsamK 2016-07-20 23:11:52 +02:00
parent d78551564b
commit ee5062a2cc
1 changed files with 34 additions and 6 deletions
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40
src/main/java/org/asamk/signal/Manager.java
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@ -60,12 +60,17 @@ import java.nio.channels.Channels;
import java.nio.channels.FileChannel;
import java.nio.channels.FileLock;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardCopyOption;
import java.nio.file.attribute.PosixFilePermission;
import java.nio.file.attribute.PosixFilePermissions;
import java.util.*;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import static java.nio.file.attribute.PosixFilePermission.*;
class Manager implements Signal {
private final static String URL = "https://textsecure-service.whispersystems.org";
private final static TrustStore TRUST_STORE = new WhisperTrustStore();
@ -124,10 +129,29 @@ class Manager implements Signal {
}
public String getFileName() {
new File(dataPath).mkdirs();
return dataPath + "/" + username;
}
private static void createPrivateDirectories(String path) throws IOException {
final Path file = new File(path).toPath();
try {
Set<PosixFilePermission> perms = EnumSet.of(OWNER_READ, OWNER_WRITE, OWNER_EXECUTE);
Files.createDirectories(file, PosixFilePermissions.asFileAttribute(perms));
} catch (UnsupportedOperationException e) {
Files.createDirectories(file);
}
}
private static void createPrivateFile(String path) throws IOException {
final Path file = new File(path).toPath();
try {
Set<PosixFilePermission> perms = EnumSet.of(OWNER_READ, OWNER_WRITE);
Files.createFile(file, PosixFilePermissions.asFileAttribute(perms));
} catch (UnsupportedOperationException e) {
Files.createFile(file);
}
}
public boolean userExists() {
if (username == null) {
return false;
@ -153,6 +177,10 @@ class Manager implements Signal {
if (fileChannel != null)
return;
createPrivateDirectories(dataPath);
if (!new File(getFileName()).exists()) {
createPrivateFile(getFileName());
}
fileChannel = new RandomAccessFile(new File(getFileName()), "rw").getChannel();
lock = fileChannel.tryLock();
if (lock == null) {
@ -202,7 +230,7 @@ class Manager implements Signal {
File attachmentFile = getAttachmentFile(g.getAvatarId());
if (!avatarFile.exists() && attachmentFile.exists()) {
try {
new File(avatarsPath).mkdirs();
createPrivateDirectories(avatarsPath);
Files.copy(attachmentFile.toPath(), avatarFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
} catch (Exception e) {
// Ignore
@ -569,7 +597,7 @@ class Manager implements Signal {
File aFile = getGroupAvatarFile(g.groupId);
if (avatarFile != null) {
new File(avatarsPath).mkdirs();
createPrivateDirectories(avatarsPath);
Files.copy(Paths.get(avatarFile), aFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
}
if (aFile.exists()) {
@ -908,7 +936,7 @@ class Manager implements Signal {
}
private File retrieveContactAvatarAttachment(SignalServiceAttachment attachment, String number) throws IOException, InvalidMessageException {
new File(avatarsPath).mkdirs();
createPrivateDirectories(avatarsPath);
if (attachment.isPointer()) {
SignalServiceAttachmentPointer pointer = attachment.asPointer();
return retrieveAttachment(pointer, getContactAvatarFile(number), false);
@ -923,7 +951,7 @@ class Manager implements Signal {
}
private File retrieveGroupAvatarAttachment(SignalServiceAttachment attachment, byte[] groupId) throws IOException, InvalidMessageException {
new File(avatarsPath).mkdirs();
createPrivateDirectories(avatarsPath);
if (attachment.isPointer()) {
SignalServiceAttachmentPointer pointer = attachment.asPointer();
return retrieveAttachment(pointer, getGroupAvatarFile(groupId), false);
@ -938,7 +966,7 @@ class Manager implements Signal {
}
private File retrieveAttachment(SignalServiceAttachmentPointer pointer) throws IOException, InvalidMessageException {
new File(attachmentsPath).mkdirs();
createPrivateDirectories(attachmentsPath);
return retrieveAttachment(pointer, getAttachmentFile(pointer.getId()), true);
}