from allmydata.util.encodingutil import to_str, quote_output
+def get_filenode_metadata(filenode):
+ metadata = {'mutable': filenode.is_mutable()}
+ if metadata['mutable']:
+ mutable_type = filenode.get_version()
+ assert mutable_type in (SDMF_VERSION, MDMF_VERSION)
+ if mutable_type == MDMF_VERSION:
+ file_format = "MDMF"
+ else:
+ file_format = "SDMF"
+ else:
+ file_format = "CHK"
+ metadata['format'] = file_format
+ size = filenode.get_size()
+ if size is not None:
+ metadata['size'] = size
+ return metadata
+
class IOpHandleTable(Interface):
pass
def boolean_of_arg(arg):
# TODO: ""
- assert arg.lower() in ("true", "t", "1", "false", "f", "0", "on", "off")
+ if arg.lower() not in ("true", "t", "1", "false", "f", "0", "on", "off"):
+ raise WebError("invalid boolean argument: %r" % (arg,), http.BAD_REQUEST)
return arg.lower() in ("true", "t", "1", "on")
def parse_replace_arg(replace):
if replace.lower() == "only-files":
return replace
- else:
+ try:
return boolean_of_arg(replace)
+ except WebError:
+ raise WebError("invalid replace= argument: %r" % (replace,), http.BAD_REQUEST)
-def parse_mutable_type_arg(arg):
+def get_format(req, default="CHK"):
+ arg = get_arg(req, "format", None)
if not arg:
- return None # interpreted by the caller as "let the nodemaker decide"
+ if boolean_of_arg(get_arg(req, "mutable", "false")):
+ return "SDMF"
+ return default
+ if arg.upper() == "CHK":
+ return "CHK"
+ elif arg.upper() == "SDMF":
+ return "SDMF"
+ elif arg.upper() == "MDMF":
+ return "MDMF"
+ else:
+ raise WebError("Unknown format: %s, I know CHK, SDMF, MDMF" % arg,
+ http.BAD_REQUEST)
- arg = arg.lower()
- if arg == "mdmf":
- return MDMF_VERSION
- elif arg == "sdmf":
+def get_mutable_type(file_format): # accepts result of get_format()
+ if file_format == "SDMF":
return SDMF_VERSION
-
- return "invalid"
+ elif file_format == "MDMF":
+ return MDMF_VERSION
+ else:
+ # this is also used to identify which formats are mutable. Use
+ # if get_mutable_type(file_format) is not None:
+ # do_mutable()
+ # else:
+ # do_immutable()
+ return None
def parse_offset_arg(offset):
def text_plain(text, ctx):
req = IRequest(ctx)
req.setHeader("content-type", "text/plain")
- req.setHeader("content-length", len(text))
+ req.setHeader("content-length", b"%d" % len(text))
return text
class WebError(Exception):
req.setHeader("content-type", "text/plain;charset=utf-8")
if isinstance(text, unicode):
text = text.encode("utf-8")
- req.setHeader("content-length", str(len(text)))
+ req.setHeader("content-length", b"%d" % len(text))
req.write(text)
# TODO: consider putting the requested URL here
req.finishRequest(False)