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fixes #840

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This commit is contained in:
Sebastian Stenzel
2019-02-27 17:23:08 +01:00
parent 426f36ce04
commit 8cba58075d
2 changed files with 26 additions and 17 deletions
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main/ui/src/main/java/org/cryptomator/ui/model/FuseVolume.java
+25 -16
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@@ -27,6 +27,7 @@ public class FuseVolume implements Volume {
private static final Logger LOG = LoggerFactory.getLogger(FuseVolume.class);
private static final int MAX_TMPMOUNTPOINT_CREATION_RETRIES = 10;
private static final boolean IS_MAC = System.getProperty("os.name").toLowerCase().contains("mac");
private final VaultSettings vaultSettings;
private final Environment environment;
@@ -48,11 +49,9 @@ public class FuseVolume implements Volume {
Path customMountPoint = Paths.get(optionalCustomMountPoint.get());
checkProvidedMountPoint(customMountPoint);
this.mountPoint = customMountPoint;
this.createdTemporaryMountPoint = false;
LOG.debug("Successfully checked custom mount point: {}", mountPoint);
} else {
this.mountPoint = createTemporaryMountPoint();
this.createdTemporaryMountPoint = true;
this.mountPoint = prepareTemporaryMountPoint();
LOG.debug("Successfully created mount point: {}", mountPoint);
}
mount(fs.getPath("/"));
@@ -69,21 +68,31 @@ public class FuseVolume implements Volume {
}
}
private Path createTemporaryMountPoint() throws IOException {
private Path prepareTemporaryMountPoint() throws IOException, VolumeException {
Path mountPoint = chooseNonExistingTemporaryMountPoint();
// https://github.com/osxfuse/osxfuse/issues/306#issuecomment-245114592:
// In order to allow non-admin users to mount FUSE volumes in `/Volumes`,
// starting with version 3.5.0, FUSE will create non-existent mount points automatically.
if (IS_MAC && mountPoint.getParent().equals(Paths.get("/Volumes"))) {
return mountPoint;
} else {
Files.createDirectories(mountPoint);
this.createdTemporaryMountPoint = true;
return mountPoint;
}
}
private Path chooseNonExistingTemporaryMountPoint() throws VolumeException {
Path parent = environment.getMountPointsDir().orElseThrow();
Files.createDirectories(parent);
String basename = vaultSettings.getId();
for (int i = 0; i < MAX_TMPMOUNTPOINT_CREATION_RETRIES; i++) {
try {
Path mountPath = parent.resolve(basename + "_" + i);
Files.createDirectory(mountPath);
return mountPath;
} catch (FileAlreadyExistsException e) {
continue;
Path mountPoint = parent.resolve(basename + "_" + i);
if (Files.notExists(mountPoint)) {
return mountPoint;
}
}
LOG.error("Failed to create mount path at {}/{}_x. Giving up after {} attempts.", parent, basename, MAX_TMPMOUNTPOINT_CREATION_RETRIES);
throw new FileAlreadyExistsException(parent.toString() + "/" + basename);
LOG.error("Failed to find feasible mountpoint at {}/{}_x. Giving up after {} attempts.", parent, basename, MAX_TMPMOUNTPOINT_CREATION_RETRIES);
throw new VolumeException("Did not find feasible mount point.");
}
private void mount(Path root) throws VolumeException {
@@ -121,7 +130,7 @@ public class FuseVolume implements Volume {
} catch (CommandFailedException e) {
throw new VolumeException(e);
}
deleteTemporaryMountPoint();
cleanupTemporaryMountPoint();
}
@Override
@@ -132,10 +141,10 @@ public class FuseVolume implements Volume {
} catch (CommandFailedException e) {
throw new VolumeException(e);
}
deleteTemporaryMountPoint();
cleanupTemporaryMountPoint();
}
private void deleteTemporaryMountPoint() {
private void cleanupTemporaryMountPoint() {
if (createdTemporaryMountPoint) {
try {
Files.delete(mountPoint);