diff options
Diffstat (limited to 'server/src/leap')
| -rw-r--r-- | server/src/leap/soledad/server/_blobs.py | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/server/src/leap/soledad/server/_blobs.py b/server/src/leap/soledad/server/_blobs.py index d9e40976..3dd4ccb4 100644 --- a/server/src/leap/soledad/server/_blobs.py +++ b/server/src/leap/soledad/server/_blobs.py @@ -24,7 +24,6 @@ Clients should be able to opt-in util the feature is complete. A more performant BlobsBackend can (and should) be implemented for production environments. """ -import commands import os import base64 import json @@ -34,6 +33,7 @@ from twisted.web import static from twisted.web import resource from twisted.web.client import FileBodyProducer from twisted.web.server import NOT_DONE_YET +from twisted.internet import utils, defer from zope.interface import Interface, implementer @@ -129,6 +129,7 @@ class FilesystemBlobsBackend(object): _file = static.File(path, defaultType='application/octet-stream') return _file.render_GET(request) + @defer.inlineCallbacks def write_blob(self, user, blob_id, request): path = self._get_path(user, blob_id) try: @@ -138,19 +139,17 @@ class FilesystemBlobsBackend(object): if os.path.isfile(path): # 409 - Conflict request.setResponseCode(409) - return "Blob already exists: %s" % blob_id - used = self.get_total_storage(user) + request.write("Blob already exists: %s" % blob_id) + defer.returnValue(None) + used = yield self.get_total_storage(user) if used > self.quota: logger.error("Error 507: Quota exceeded for user: %s" % user) request.setResponseCode(507) request.write('Quota Exceeded!') - request.finish() - return NOT_DONE_YET + defer.returnValue(None) logger.info('writing blob: %s - %s' % (user, blob_id)) fbp = FileBodyProducer(request.content) - d = fbp.startProducing(open(path, 'wb')) - d.addCallback(lambda _: request.finish()) - return NOT_DONE_YET + yield fbp.startProducing(open(path, 'wb')) def get_total_storage(self, user): return self._get_disk_usage(os.path.join(self.path, user)) @@ -161,12 +160,14 @@ class FilesystemBlobsBackend(object): def get_blob_size(user, blob_id): raise NotImplementedError + @defer.inlineCallbacks def _get_disk_usage(self, start_path): if not os.path.isdir(start_path): - return 0 - cmd = 'du -c %s | tail -n 1' % start_path - size = commands.getoutput(cmd).split()[0] - return int(size) + defer.returnValue(0) + cmd = ['/usr/bin/du', '-s', '-c', start_path] + output = yield utils.getProcessOutput(cmd[0], cmd[1:]) + size = output.split()[0] + defer.returnValue(int(size)) def _get_path(self, user, blob_id): parts = [user] @@ -203,7 +204,15 @@ class BlobsResource(resource.Resource): def render_PUT(self, request): logger.info("http put: %s" % request.path) user, blob_id = request.postpath - return self._handler.write_blob(user, blob_id, request) + d = self._handler.write_blob(user, blob_id, request) + d.addCallback(lambda _: request.finish()) + d.addErrback(self._error, request) + return NOT_DONE_YET + + def _error(self, e, request): + logger.error(e) + request.setResponseCode(500) + request.finish() if __name__ == '__main__': |