diff options
Diffstat (limited to 'src/leap')
| -rw-r--r-- | src/leap/soledad/client/_db/blobs.py | 101 |
1 files changed, 62 insertions, 39 deletions
diff --git a/src/leap/soledad/client/_db/blobs.py b/src/leap/soledad/client/_db/blobs.py index 9e97fe8c..1b4d9114 100644 --- a/src/leap/soledad/client/_db/blobs.py +++ b/src/leap/soledad/client/_db/blobs.py @@ -224,46 +224,50 @@ class BlobManager(object): data = yield self._client.get(uri, params=params) defer.returnValue((yield data.json())) - def local_list(self): - return self.local.list() + def local_list(self, namespace='default'): + assert namespace + return self.local.list(namespace) @defer.inlineCallbacks - def send_missing(self): - our_blobs = yield self.local_list() - server_blobs = yield self.remote_list() + def send_missing(self, namespace='default'): + assert namespace + our_blobs = yield self.local_list(namespace) + server_blobs = yield self.remote_list(namespace=namespace) missing = [b_id for b_id in our_blobs if b_id not in server_blobs] logger.info("Amount of documents missing on server: %s" % len(missing)) # TODO: Send concurrently when we are able to stream directly from db for blob_id in missing: - fd = yield self.local.get(blob_id) + fd = yield self.local.get(blob_id, namespace) logger.info("Upload local blob: %s" % blob_id) yield self._encrypt_and_upload(blob_id, fd) @defer.inlineCallbacks - def fetch_missing(self): + def fetch_missing(self, namespace='default'): + assert namespace # TODO: Use something to prioritize user requests over general new docs - our_blobs = yield self.local_list() - server_blobs = yield self.remote_list() + our_blobs = yield self.local_list(namespace) + server_blobs = yield self.remote_list(namespace=namespace) docs_we_want = [b_id for b_id in server_blobs if b_id not in our_blobs] logger.info("Fetching new docs from server: %s" % len(docs_we_want)) # TODO: Fetch concurrently when we are able to stream directly into db for blob_id in docs_we_want: logger.info("Fetching new doc: %s" % blob_id) - yield self.get(blob_id) + yield self.get(blob_id, namespace) @defer.inlineCallbacks - def put(self, doc, size): - if (yield self.local.exists(doc.blob_id)): + def put(self, doc, size, namespace='default'): + assert namespace + if (yield self.local.exists(doc.blob_id, namespace)): error_message = "Blob already exists: %s" % doc.blob_id raise BlobAlreadyExistsError(error_message) fd = doc.blob_fd # TODO this is a tee really, but ok... could do db and upload # concurrently. not sure if we'd gain something. - yield self.local.put(doc.blob_id, fd, size=size) + yield self.local.put(doc.blob_id, fd, size=size, namespace=namespace) # In fact, some kind of pipe is needed here, where each write on db # handle gets forwarded into a write on the connection handle - fd = yield self.local.get(doc.blob_id) - yield self._encrypt_and_upload(doc.blob_id, fd) + fd = yield self.local.get(doc.blob_id, namespace) + yield self._encrypt_and_upload(doc.blob_id, fd, namespace=namespace) @defer.inlineCallbacks def set_flags(self, blob_id, flags, **params): @@ -314,8 +318,9 @@ class BlobManager(object): defer.returnValue((yield response.json())) @defer.inlineCallbacks - def get(self, blob_id, namespace=None): - local_blob = yield self.local.get(blob_id) + def get(self, blob_id, namespace='default'): + assert namespace + local_blob = yield self.local.get(blob_id, namespace=namespace) if local_blob: logger.info("Found blob in local database: %s" % blob_id) defer.returnValue(local_blob) @@ -329,8 +334,8 @@ class BlobManager(object): if blob: logger.info("Got decrypted blob of type: %s" % type(blob)) blob.seek(0) - yield self.local.put(blob_id, blob, size=size) - defer.returnValue((yield self.local.get(blob_id))) + yield self.local.put(blob_id, blob, size=size, namespace=namespace) + defer.returnValue((yield self.local.get(blob_id, namespace))) else: # XXX we shouldn't get here, but we will... # lots of ugly error handling possible: @@ -359,12 +364,13 @@ class BlobManager(object): logger.info("Finished upload: %s" % (blob_id,)) @defer.inlineCallbacks - def _download_and_decrypt(self, blob_id, namespace=None): + def _download_and_decrypt(self, blob_id, namespace='default'): + assert namespace logger.info("Staring download of blob: %s" % blob_id) # TODO this needs to be connected in a tube uri = urljoin(self.remote, self.user + '/' + blob_id) params = {'namespace': namespace} if namespace else None - data = yield self._client.get(uri, params=params) + data = yield self._client.get(uri, params=params, namespace=namespace) if data.code == 404: logger.warn("Blob not found in server: %s" % blob_id) @@ -383,7 +389,7 @@ class BlobManager(object): defer.returnValue((fd, size)) @defer.inlineCallbacks - def delete(self, blob_id, **params): + def delete(self, blob_id, namespace='default', **params): """ Deletes a blob from local and remote storages. :param blob_id: @@ -395,10 +401,12 @@ class BlobManager(object): :return: A deferred that fires when the operation finishes. :rtype: twisted.internet.defer.Deferred """ + assert namespace + params['namespace'] = namespace logger.info("Staring deletion of blob: %s" % blob_id) yield self._delete_from_remote(blob_id, **params) - if (yield self.local.exists(blob_id)): - yield self.local.delete(blob_id) + if (yield self.local.exists(blob_id, namespace)): + yield self.local.delete(blob_id, namespace) def _delete_from_remote(self, blob_id, **params): # TODO this needs to be connected in a tube @@ -433,10 +441,13 @@ class SQLiteBlobBackend(object): pass @defer.inlineCallbacks - def put(self, blob_id, blob_fd, size=None): + def put(self, blob_id, blob_fd, size=None, namespace='default'): + assert namespace logger.info("Saving blob in local database...") - insert = 'INSERT INTO blobs (blob_id, payload) VALUES (?, zeroblob(?))' - irow = yield self.dbpool.insertAndGetLastRowid(insert, (blob_id, size)) + insert = 'INSERT INTO blobs (blob_id, namespace, payload) ' + insert += 'VALUES (?, ?, zeroblob(?))' + values = (blob_id, namespace, size) + irow = yield self.dbpool.insertAndGetLastRowid(insert, values) handle = yield self.dbpool.blob('blobs', 'payload', irow, 1) blob_fd.seek(0) # XXX I have to copy the buffer here so that I'm able to @@ -450,32 +461,44 @@ class SQLiteBlobBackend(object): defer.returnValue(done) @defer.inlineCallbacks - def get(self, blob_id): + def get(self, blob_id, namespace='default'): # TODO we can also stream the blob value using sqlite # incremental interface for blobs - and just return the raw fd instead - select = 'SELECT payload FROM blobs WHERE blob_id = ?' - result = yield self.dbpool.runQuery(select, (blob_id,)) + assert namespace + select = 'SELECT payload FROM blobs WHERE blob_id = ? AND namespace= ?' + result = yield self.dbpool.runQuery(select, (blob_id, namespace,)) if result: defer.returnValue(BytesIO(str(result[0][0]))) @defer.inlineCallbacks - def list(self): - query = 'select blob_id from blobs' - result = yield self.dbpool.runQuery(query) + def list(self, namespace='default'): + assert namespace + query = 'select blob_id from blobs where namespace = ?' + result = yield self.dbpool.runQuery(query, (namespace,)) if result: defer.returnValue([b_id[0] for b_id in result]) else: defer.returnValue([]) @defer.inlineCallbacks - def exists(self, blob_id): - query = 'SELECT blob_id from blobs WHERE blob_id = ?' - result = yield self.dbpool.runQuery(query, (blob_id,)) + def list_namespaces(self): + query = 'select namespace from blobs' + result = yield self.dbpool.runQuery(query) + if result: + defer.returnValue([namespace[0] for namespace in result]) + else: + defer.returnValue([]) + + @defer.inlineCallbacks + def exists(self, blob_id, namespace='default'): + query = 'SELECT blob_id from blobs WHERE blob_id = ? AND namespace= ?' + result = yield self.dbpool.runQuery(query, (blob_id, namespace,)) defer.returnValue(bool(len(result))) - def delete(self, blob_id): - query = 'DELETE FROM blobs WHERE blob_id = ?' - return self.dbpool.runQuery(query, (blob_id,)) + def delete(self, blob_id, namespace='default'): + assert namespace + query = 'DELETE FROM blobs WHERE blob_id = ? AND namespace = ?' + return self.dbpool.runQuery(query, (blob_id, namespace,)) def _init_blob_table(conn): |