コード例 #1
0
ファイル: tahoe_backup.py プロジェクト: AMJ-dev/tahoe-lafs
    def upload(self, childpath):
        precondition_abspath(childpath)

        #self.verboseprint("uploading %s.." % quote_local_unicode_path(childpath))
        metadata = get_local_metadata(childpath)

        # we can use the backupdb here
        must_upload, bdb_results = self.check_backupdb_file(childpath)

        if must_upload:
            self.verboseprint("uploading %s.." %
                              quote_local_unicode_path(childpath))
            infileobj = open(childpath, "rb")
            url = self.options['node-url'] + "uri"
            resp = do_http("PUT", url, infileobj)
            if resp.status not in (200, 201):
                raise HTTPError("Error during file PUT", resp)

            filecap = resp.read().strip()
            self.verboseprint(
                " %s -> %s" %
                (quote_local_unicode_path(childpath, quotemarks=False),
                 quote_output(filecap, quotemarks=False)))
            #self.verboseprint(" metadata: %s" % (quote_output(metadata, quotemarks=False),))

            if bdb_results:
                bdb_results.did_upload(filecap)

            return True, filecap, metadata

        else:
            self.verboseprint("skipping %s.." %
                              quote_local_unicode_path(childpath))
            return False, bdb_results.was_uploaded(), metadata
コード例 #2
0
ファイル: tahoe_cp.py プロジェクト: tahoe-lafs/tahoe-lafs
    def __init__(self, progressfunc, pathname, basename):
        precondition_abspath(pathname)

        self.progressfunc = progressfunc
        self.pathname = pathname
        self.children = None
        self._basename = basename
コード例 #3
0
    def __init__(self, client, upload_dircap, collective_dircap, local_path_u, dbfile, umask,
                 name, uploader_delay=1.0, clock=None, downloader_delay=60):
        precondition_abspath(local_path_u)
        if not os.path.exists(local_path_u):
            raise ValueError("'{}' does not exist".format(local_path_u))
        if not os.path.isdir(local_path_u):
            raise ValueError("'{}' is not a directory".format(local_path_u))
        # this is used by 'service' things and must be unique in this Service hierarchy
        self.name = 'magic-folder-{}'.format(name)

        service.MultiService.__init__(self)

        clock = clock or reactor
        db = magicfolderdb.get_magicfolderdb(dbfile, create_version=(magicfolderdb.SCHEMA_v1, 1))
        if db is None:
            return Failure(Exception('ERROR: Unable to load magic folder db.'))

        # for tests
        self._client = client
        self._db = db

        upload_dirnode = self._client.create_node_from_uri(upload_dircap)
        collective_dirnode = self._client.create_node_from_uri(collective_dircap)

        self.uploader = Uploader(client, local_path_u, db, upload_dirnode, uploader_delay, clock)
        self.downloader = Downloader(client, local_path_u, db, collective_dirnode,
                                     upload_dirnode.get_readonly_uri(), clock, self.uploader.is_pending, umask,
                                     self.set_public_status, poll_interval=downloader_delay)
        self._public_status = (False, ['Magic folder has not yet started'])
コード例 #4
0
    def process(self, localpath):
        precondition_abspath(localpath)
        # returns newdircap

        quoted_path = quote_local_unicode_path(localpath)
        self.verboseprint("processing %s" % (quoted_path,))
        create_contents = {} # childname -> (type, rocap, metadata)
        compare_contents = {} # childname -> rocap

        try:
            children = listdir_unicode(localpath)
        except EnvironmentError:
            self.directories_skipped += 1
            self.warn("WARNING: permission denied on directory %s" % (quoted_path,))
            children = []
        except FilenameEncodingError:
            self.directories_skipped += 1
            self.warn("WARNING: could not list directory %s due to a filename encoding error" % (quoted_path,))
            children = []

        for child in self.options.filter_listdir(children):
            assert isinstance(child, unicode), child
            childpath = os.path.join(localpath, child)
            # note: symlinks to directories are both islink() and isdir()
            if os.path.isdir(childpath) and not os.path.islink(childpath):
                metadata = get_local_metadata(childpath)
                # recurse on the child directory
                childcap = self.process(childpath)
                assert isinstance(childcap, str)
                create_contents[child] = ("dirnode", childcap, metadata)
                compare_contents[child] = childcap
            elif os.path.isfile(childpath) and not os.path.islink(childpath):
                try:
                    childcap, metadata = self.upload(childpath)
                    assert isinstance(childcap, str)
                    create_contents[child] = ("filenode", childcap, metadata)
                    compare_contents[child] = childcap
                except EnvironmentError:
                    self.files_skipped += 1
                    self.warn("WARNING: permission denied on file %s" % quote_local_unicode_path(childpath))
            else:
                self.files_skipped += 1
                if os.path.islink(childpath):
                    self.warn("WARNING: cannot backup symlink %s" % quote_local_unicode_path(childpath))
                else:
                    self.warn("WARNING: cannot backup special file %s" % quote_local_unicode_path(childpath))

        must_create, r = self.check_backupdb_directory(compare_contents)
        if must_create:
            self.verboseprint(" creating directory for %s" % quote_local_unicode_path(localpath))
            newdircap = mkdir(create_contents, self.options)
            assert isinstance(newdircap, str)
            if r:
                r.did_create(newdircap)
            self.directories_created += 1
            return newdircap
        else:
            self.verboseprint(" re-using old directory for %s" % quote_local_unicode_path(localpath))
            self.directories_reused += 1
            return r.was_created()
コード例 #5
0
    def __init__(self,
                 client,
                 upload_dircap,
                 collective_dircap,
                 local_path_u,
                 dbfile,
                 umask,
                 pending_delay=1.0,
                 clock=None):
        precondition_abspath(local_path_u)

        service.MultiService.__init__(self)

        clock = clock or reactor
        db = magicfolderdb.get_magicfolderdb(
            dbfile, create_version=(magicfolderdb.SCHEMA_v1, 1))
        if db is None:
            return Failure(Exception('ERROR: Unable to load magic folder db.'))

        # for tests
        self._client = client
        self._db = db

        upload_dirnode = self._client.create_node_from_uri(upload_dircap)
        collective_dirnode = self._client.create_node_from_uri(
            collective_dircap)

        self.uploader = Uploader(client, local_path_u, db, upload_dirnode,
                                 pending_delay, clock)
        self.downloader = Downloader(client, local_path_u, db,
                                     collective_dirnode,
                                     upload_dirnode.get_readonly_uri(), clock,
                                     self.uploader.is_pending, umask,
                                     self.set_public_status)
        self._public_status = (False, ['Magic folder has not yet started'])
コード例 #6
0
    def _write_downloaded_file(self,
                               local_path_u,
                               abspath_u,
                               file_contents,
                               is_conflict=False,
                               now=None):
        self._log(
            "_write_downloaded_file(%r, <%d bytes>, is_conflict=%r, now=%r)" %
            (abspath_u, len(file_contents), is_conflict, now))

        # 1. Write a temporary file, say .foo.tmp.
        # 2. is_conflict determines whether this is an overwrite or a conflict.
        # 3. Set the mtime of the replacement file to be T seconds before the
        #    current local time.
        # 4. Perform a file replacement with backup filename foo.backup,
        #    replaced file foo, and replacement file .foo.tmp. If any step of
        #    this operation fails, reclassify as a conflict and stop.
        #
        # Returns the path of the destination file.

        precondition_abspath(abspath_u)
        replacement_path_u = abspath_u + u".tmp"  # FIXME more unique
        backup_path_u = abspath_u + u".backup"
        if now is None:
            now = time.time()

        initial_path_u = os.path.dirname(abspath_u)
        fileutil.make_dirs_with_absolute_mode(local_path_u, initial_path_u,
                                              (~self._umask) & 0777)
        fileutil.write(replacement_path_u, file_contents)
        os.chmod(replacement_path_u, (~self._umask) & 0777)

        # FUDGE_SECONDS is used to determine if another process
        # has written to the same file concurrently. This is described
        # in the Earth Dragon section of our design document:
        # docs/proposed/magic-folder/remote-to-local-sync.rst
        os.utime(replacement_path_u, (now, now - self.FUDGE_SECONDS))
        if is_conflict:
            return self._rename_conflicted_file(abspath_u, replacement_path_u)
        else:
            try:
                fileutil.replace_file(abspath_u, replacement_path_u,
                                      backup_path_u)
                return abspath_u
            except fileutil.ConflictError:
                return self._rename_conflicted_file(abspath_u,
                                                    replacement_path_u)
コード例 #7
0
ファイル: manhole.py プロジェクト: sspreitzer/tahoe-lafs
 def __init__(self, authorized_keys_file):
     precondition_abspath(authorized_keys_file)
     self.authorized_keys_file = authorized_keys_file
コード例 #8
0
ファイル: tahoe_cp.py プロジェクト: tahoe-lafs/tahoe-lafs
 def __init__(self, pathname, basename):
     precondition_abspath(pathname)
     self.pathname = pathname
     self._basename = basename
コード例 #9
0
ファイル: tahoe_cp.py プロジェクト: tahoe-lafs/tahoe-lafs
 def __init__(self, pathname):
     precondition_abspath(pathname)
     self.pathname = pathname