Remove everything to start from scratch

1 files changed, 0 insertions, 193 deletions

diff --git a/src/leap/soledad/backends/leap_backend.py b/src/leap/soledad/backends/leap_backend.py
deleted file mode 100644
index c3c52ee6..00000000
--- a/src/leap/soledad/backends/leap_backend.py
+++ /dev/null
@@ -1,193 +0,0 @@
-try:
-    import simplejson as json
-except ImportError:
-    import json  # noqa
-
-from u1db import Document
-from u1db.remote import utils
-from u1db.remote.http_target import HTTPSyncTarget
-from u1db.remote.http_database import HTTPDatabase
-from u1db.errors import BrokenSyncStream
-
-import uuid
-
-
-class NoDefaultKey(Exception):
-    pass
-
-
-class NoSoledadInstance(Exception):
-    pass
-
-
-class DocumentEncryptionFailed(Exception):
-    pass
-
-
-class LeapDocument(Document):
-    """
-    Encryptable and syncable document.
-
-    LEAP Documents are standard u1db documents with cabability of returning an
-    encrypted version of the document json string as well as setting document
-    content based on an encrypted version of json string.
-    """
-
-    def __init__(self, doc_id=None, rev=None, json='{}', has_conflicts=False,
-                 encrypted_json=None, soledad=None, syncable=True):
-        super(LeapDocument, self).__init__(doc_id, rev, json, has_conflicts)
-        self._soledad = soledad
-        self._syncable = syncable
-        if encrypted_json:
-            self.set_encrypted_json(encrypted_json)
-
-    def get_encrypted_json(self):
-        """
-        Return document's json serialization encrypted with user's public key.
-        """
-        if not self._soledad:
-            raise NoSoledadInstance()
-        ciphertext = self._soledad.encrypt_symmetric(self.doc_id,
-                                                     self.get_json())
-        return json.dumps({'_encrypted_json': ciphertext})
-
-    def set_encrypted_json(self, encrypted_json):
-        """
-        Set document's content based on encrypted version of json string.
-        """
-        if not self._soledad:
-            raise NoSoledadInstance()
-        ciphertext = json.loads(encrypted_json)['_encrypted_json']
-        plaintext = self._soledad.decrypt_symmetric(self.doc_id, ciphertext)
-        return self.set_json(plaintext)
-
-    def _get_syncable(self):
-        return self._syncable
-
-    def _set_syncable(self, syncable=True):
-        self._syncable = syncable
-
-    syncable = property(
-        _get_syncable,
-        _set_syncable,
-        doc="Determine if document should be synced with server."
-    )
-
-    # Returning the revision as string solves the following exception in
-    # Twisted web:
-    #     exceptions.TypeError: Can only pass-through bytes on Python 2
-    def _get_rev(self):
-        if self._rev is None:
-            return None
-        return str(self._rev)
-
-    def _set_rev(self, rev):
-        self._rev = rev
-
-    rev = property(
-        _get_rev,
-        _set_rev,
-        doc="Wrapper to ensure `doc.rev` is always returned as bytes.")
-
-
-class LeapSyncTarget(HTTPSyncTarget):
-    """
-    A SyncTarget that encrypts data before sending and decrypts data after
-    receiving.
-    """
-
-    def __init__(self, url, creds=None, soledad=None):
-        super(LeapSyncTarget, self).__init__(url, creds)
-        self._soledad = soledad
-
-    def _parse_sync_stream(self, data, return_doc_cb, ensure_callback=None):
-        """
-        Does the same as parent's method but ensures incoming content will be
-        decrypted.
-        """
-        parts = data.splitlines()  # one at a time
-        if not parts or parts[0] != '[':
-            raise BrokenSyncStream
-        data = parts[1:-1]
-        comma = False
-        if data:
-            line, comma = utils.check_and_strip_comma(data[0])
-            res = json.loads(line)
-            if ensure_callback and 'replica_uid' in res:
-                ensure_callback(res['replica_uid'])
-            for entry in data[1:]:
-                if not comma:  # missing in between comma
-                    raise BrokenSyncStream
-                line, comma = utils.check_and_strip_comma(entry)
-                entry = json.loads(line)
-                # decrypt after receiving from server.
-                doc = LeapDocument(entry['id'], entry['rev'],
-                                   encrypted_json=entry['content'],
-                                   soledad=self._soledad)
-                return_doc_cb(doc, entry['gen'], entry['trans_id'])
-        if parts[-1] != ']':
-            try:
-                partdic = json.loads(parts[-1])
-            except ValueError:
-                pass
-            else:
-                if isinstance(partdic, dict):
-                    self._error(partdic)
-            raise BrokenSyncStream
-        if not data or comma:  # no entries or bad extra comma
-            raise BrokenSyncStream
-        return res
-
-    def sync_exchange(self, docs_by_generations, source_replica_uid,
-                      last_known_generation, last_known_trans_id,
-                      return_doc_cb, ensure_callback=None):
-        """
-        Does the same as parent's method but encrypts content before syncing.
-        """
-        self._ensure_connection()
-        if self._trace_hook:  # for tests
-            self._trace_hook('sync_exchange')
-        url = '%s/sync-from/%s' % (self._url.path, source_replica_uid)
-        self._conn.putrequest('POST', url)
-        self._conn.putheader('content-type', 'application/x-u1db-sync-stream')
-        for header_name, header_value in self._sign_request('POST', url, {}):
-            self._conn.putheader(header_name, header_value)
-        entries = ['[']
-        size = 1
-
-        def prepare(**dic):
-            entry = comma + '\r\n' + json.dumps(dic)
-            entries.append(entry)
-            return len(entry)
-
-        comma = ''
-        size += prepare(
-            last_known_generation=last_known_generation,
-            last_known_trans_id=last_known_trans_id,
-            ensure=ensure_callback is not None)
-        comma = ','
-        for doc, gen, trans_id in docs_by_generations:
-            if doc.syncable:
-                # encrypt and verify before sending to server.
-                doc_content = doc.get_encrypted_json()
-                if doc_content == doc.get_json():
-                    raise DocumentEncryptionFailed
-                enc_doc = LeapDocument(doc.doc_id, doc.rev,
-                                       encrypted_json=doc_content,
-                                       soledad=self._soledad)
-                if doc.get_json() != enc_doc.get_json():
-                    raise DocumentEncryptionFailed
-                size += prepare(id=doc.doc_id, rev=doc.rev,
-                                content=doc_content,
-                                gen=gen, trans_id=trans_id)
-        entries.append('\r\n]')
-        size += len(entries[-1])
-        self._conn.putheader('content-length', str(size))
-        self._conn.endheaders()
-        for entry in entries:
-            self._conn.send(entry)
-        entries = None
-        data, _ = self._response()
-        res = self._parse_sync_stream(data, return_doc_cb, ensure_callback)
-        data = None
-        return res['new_generation'], res['new_transaction_id']