from nevow import loaders, appserver
from nevow.inevow import IRequest
from nevow.util import resource_filename
+from allmydata import blacklist
from allmydata.interfaces import ExistingChildError, NoSuchChildError, \
FileTooLargeError, NotEnoughSharesError, NoSharesError, \
EmptyPathnameComponentError, MustBeDeepImmutableError, \
- MustBeReadonlyError, MustNotBeUnknownRWError
+ MustBeReadonlyError, MustNotBeUnknownRWError, SDMF_VERSION, MDMF_VERSION
from allmydata.mutable.common import UnrecoverableFileError
from allmydata.util import abbreviate
-from allmydata.util.encodingutil import to_str
+from allmydata.util.encodingutil import to_str, quote_output
+
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 get_format(req, default="CHK"):
+ arg = get_arg(req, "format", None)
+ if not arg:
+ 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)
+
+def get_mutable_type(file_format): # accepts result of get_format()
+ if file_format == "SDMF":
+ return SDMF_VERSION
+ 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):
+ # XXX: This will raise a ValueError when invoked on something that
+ # is not an integer. Is that okay? Or do we want a better error
+ # message? Since this call is going to be used by programmers and
+ # their tools rather than users (through the wui), it is not
+ # inconsistent to return that, I guess.
+ if offset is not None:
+ offset = int(offset)
+
+ return offset
+
def get_root(ctx_or_req):
req = IRequest(ctx_or_req)
return "%.1fms" % (1000*s)
return "%.0fus" % (1000000*s)
+def compute_rate(bytes, seconds):
+ if bytes is None:
+ return None
+
+ if seconds is None or seconds == 0:
+ return None
+
+ # negative values don't make sense here
+ assert bytes > -1
+ assert seconds > 0
+
+ return 1.0 * bytes / seconds
+
def abbreviate_rate(data):
# 21.8kBps, 554.4kBps 4.37MBps
if data is None:
return ("There was already a child by that name, and you asked me "
"to not replace it.", http.CONFLICT)
if f.check(NoSuchChildError):
- name = f.value.args[0]
- return ("No such child: %s" % name.encode("utf-8"), http.NOT_FOUND)
+ quoted_name = quote_output(f.value.args[0], encoding="utf-8", quotemarks=False)
+ return ("No such child: %s" % quoted_name, http.NOT_FOUND)
if f.check(NotEnoughSharesError):
t = ("NotEnoughSharesError: This indicates that some "
"servers were unavailable, or that shares have been "
"this object to learn more.")
return (t, http.GONE)
if f.check(MustNotBeUnknownRWError):
- name = f.value.args[1]
+ quoted_name = quote_output(f.value.args[1], encoding="utf-8")
immutable = f.value.args[2]
if immutable:
t = ("MustNotBeUnknownRWError: an operation to add a child named "
- "'%s' to a directory was given an unknown cap in a write slot.\n"
+ "%s to a directory was given an unknown cap in a write slot.\n"
"If the cap is actually an immutable readcap, then using a "
"webapi server that supports a later version of Tahoe may help.\n\n"
"If you are using the webapi directly, then specifying an immutable "
"readcap in the read slot (ro_uri) of the JSON PROPDICT, and "
"omitting the write slot (rw_uri), would also work in this "
- "case.") % name.encode("utf-8")
+ "case.") % quoted_name
else:
t = ("MustNotBeUnknownRWError: an operation to add a child named "
- "'%s' to a directory was given an unknown cap in a write slot.\n"
+ "%s to a directory was given an unknown cap in a write slot.\n"
"Using a webapi server that supports a later version of Tahoe "
"may help.\n\n"
"If you are using the webapi directly, specifying a readcap in "
"the read slot (ro_uri) of the JSON PROPDICT, as well as a "
"writecap in the write slot if desired, would also work in this "
- "case.") % name.encode("utf-8")
+ "case.") % quoted_name
return (t, http.BAD_REQUEST)
if f.check(MustBeDeepImmutableError):
- name = f.value.args[1]
+ quoted_name = quote_output(f.value.args[1], encoding="utf-8")
t = ("MustBeDeepImmutableError: a cap passed to this operation for "
- "the child named '%s', needed to be immutable but was not. Either "
+ "the child named %s, needed to be immutable but was not. Either "
"the cap is being added to an immutable directory, or it was "
"originally retrieved from an immutable directory as an unknown "
- "cap." % name.encode("utf-8"))
+ "cap.") % quoted_name
return (t, http.BAD_REQUEST)
if f.check(MustBeReadonlyError):
- name = f.value.args[1]
+ quoted_name = quote_output(f.value.args[1], encoding="utf-8")
t = ("MustBeReadonlyError: a cap passed to this operation for "
"the child named '%s', needed to be read-only but was not. "
"The cap is being passed in a read slot (ro_uri), or was retrieved "
- "from a read slot as an unknown cap." % name.encode("utf-8"))
+ "from a read slot as an unknown cap.") % quoted_name
return (t, http.BAD_REQUEST)
+ if f.check(blacklist.FileProhibited):
+ t = "Access Prohibited: %s" % quote_output(f.value.reason, encoding="utf-8", quotemarks=False)
+ return (t, http.FORBIDDEN)
if f.check(WebError):
return (f.value.text, f.value.code)
if f.check(FileTooLargeError):
projects / tahoe-lafs / tahoe-lafs.git / blobdiff