5 from zope.interface import implements
6 from twisted.internet import defer
7 from twisted.internet.interfaces import IPushProducer
8 from twisted.python.failure import Failure
9 from twisted.web import http, html
10 from nevow import url, rend, inevow, tags as T
11 from nevow.inevow import IRequest
13 from foolscap.api import fireEventually
15 from allmydata.util import base32, time_format
16 from allmydata.uri import from_string_dirnode
17 from allmydata.interfaces import IDirectoryNode, IFileNode, IFilesystemNode, \
18 IImmutableFileNode, IMutableFileNode, ExistingChildError, \
19 NoSuchChildError, EmptyPathnameComponentError, SDMF_VERSION, MDMF_VERSION
20 from allmydata.blacklist import ProhibitedNode
21 from allmydata.monitor import Monitor, OperationCancelledError
22 from allmydata import dirnode
23 from allmydata.web.common import text_plain, WebError, \
24 IOpHandleTable, NeedOperationHandleError, \
25 boolean_of_arg, get_arg, get_root, parse_replace_arg, \
26 should_create_intermediate_directories, \
27 getxmlfile, RenderMixin, humanize_failure, convert_children_json, \
28 get_format, get_mutable_type
29 from allmydata.web.filenode import ReplaceMeMixin, \
30 FileNodeHandler, PlaceHolderNodeHandler
31 from allmydata.web.check_results import CheckResultsRenderer, \
32 CheckAndRepairResultsRenderer, DeepCheckResultsRenderer, \
33 DeepCheckAndRepairResultsRenderer, LiteralCheckResultsRenderer
34 from allmydata.web.info import MoreInfo
35 from allmydata.web.operations import ReloadMixin
36 from allmydata.web.check_results import json_check_results, \
37 json_check_and_repair_results
39 class BlockingFileError(Exception):
40 # TODO: catch and transform
41 """We cannot auto-create a parent directory, because there is a file in
44 def make_handler_for(node, client, parentnode=None, name=None):
46 assert IDirectoryNode.providedBy(parentnode)
47 if IFileNode.providedBy(node):
48 return FileNodeHandler(client, node, parentnode, name)
49 if IDirectoryNode.providedBy(node):
50 return DirectoryNodeHandler(client, node, parentnode, name)
51 return UnknownNodeHandler(client, node, parentnode, name)
53 class DirectoryNodeHandler(RenderMixin, rend.Page, ReplaceMeMixin):
56 def __init__(self, client, node, parentnode=None, name=None):
57 rend.Page.__init__(self)
61 self.parentnode = parentnode
64 def childFactory(self, ctx, name):
65 name = name.decode("utf-8")
67 raise EmptyPathnameComponentError()
68 d = self.node.get(name)
69 d.addBoth(self.got_child, ctx, name)
70 # got_child returns a handler resource: FileNodeHandler or
71 # DirectoryNodeHandler
74 def got_child(self, node_or_failure, ctx, name):
76 if DEBUG: print "GOT_CHILD", name, node_or_failure
79 nonterminal = len(req.postpath) > 1
80 t = get_arg(req, "t", "").strip()
81 if isinstance(node_or_failure, Failure):
83 f.trap(NoSuchChildError)
84 # No child by this name. What should we do about it?
85 if DEBUG: print "no child", name
86 if DEBUG: print "postpath", req.postpath
88 if DEBUG: print " intermediate"
89 if should_create_intermediate_directories(req):
90 # create intermediate directories
91 if DEBUG: print " making intermediate directory"
92 d = self.node.create_subdirectory(name)
93 d.addCallback(make_handler_for,
94 self.client, self.node, name)
97 if DEBUG: print " terminal"
99 if (method,t) in [ ("POST","mkdir"), ("PUT","mkdir"),
100 ("POST", "mkdir-with-children"),
101 ("POST", "mkdir-immutable") ]:
102 if DEBUG: print " making final directory"
105 if t in ("mkdir-with-children", "mkdir-immutable"):
107 kids_json = req.content.read()
108 kids = convert_children_json(self.client.nodemaker,
110 file_format = get_format(req, None)
112 mt = get_mutable_type(file_format)
113 if t == "mkdir-immutable":
116 d = self.node.create_subdirectory(name, kids,
119 d.addCallback(make_handler_for,
120 self.client, self.node, name)
122 if (method,t) in ( ("PUT",""), ("PUT","uri"), ):
123 if DEBUG: print " PUT, making leaf placeholder"
124 # we were trying to find the leaf filenode (to put a new
125 # file in its place), and it didn't exist. That's ok,
126 # since that's the leaf node that we're about to create.
127 # We make a dummy one, which will respond to the PUT
128 # request by replacing itself.
129 return PlaceHolderNodeHandler(self.client, self.node, name)
130 if DEBUG: print " 404"
131 # otherwise, we just return a no-such-child error
134 node = node_or_failure
135 if nonterminal and should_create_intermediate_directories(req):
136 if not IDirectoryNode.providedBy(node):
137 # we would have put a new directory here, but there was a
139 if DEBUG: print "blocking"
140 raise WebError("Unable to create directory '%s': "
141 "a file was in the way" % name,
143 if DEBUG: print "good child"
144 return make_handler_for(node, self.client, self.node, name)
146 def render_DELETE(self, ctx):
147 assert self.parentnode and self.name
148 d = self.parentnode.delete(self.name)
149 d.addCallback(lambda res: self.node.get_uri())
152 def render_GET(self, ctx):
154 # This is where all of the directory-related ?t=* code goes.
155 t = get_arg(req, "t", "").strip()
157 # render the directory as HTML, using the docFactory and Nevow's
158 # whole templating thing.
159 return DirectoryAsHTML(self.node,
160 self.client.mutable_file_default)
163 return DirectoryJSONMetadata(ctx, self.node)
165 return MoreInfo(self.node)
167 return DirectoryURI(ctx, self.node)
168 if t == "readonly-uri":
169 return DirectoryReadonlyURI(ctx, self.node)
170 if t == 'rename-form':
171 return RenameForm(self.node)
173 raise WebError("GET directory: bad t=%s" % t)
175 def render_PUT(self, ctx):
177 t = get_arg(req, "t", "").strip()
178 replace = parse_replace_arg(get_arg(req, "replace", "true"))
181 # our job was done by the traversal/create-intermediate-directory
182 # process that got us here.
183 return text_plain(self.node.get_uri(), ctx) # TODO: urlencode
186 # they're trying to set_uri and that name is already occupied
188 raise ExistingChildError()
189 d = self.replace_me_with_a_childcap(req, self.client, replace)
193 raise WebError("PUT to a directory")
195 def render_POST(self, ctx):
197 t = get_arg(req, "t", "").strip()
200 d = self._POST_mkdir(req)
201 elif t == "mkdir-with-children":
202 d = self._POST_mkdir_with_children(req)
203 elif t == "mkdir-immutable":
204 d = self._POST_mkdir_immutable(req)
207 d = self._POST_mkdir_p(req)
209 d = self._POST_upload(ctx) # this one needs the context
211 d = self._POST_uri(req)
212 elif t == "delete" or t == "unlink":
213 d = self._POST_unlink(req)
215 d = self._POST_rename(req)
217 d = self._POST_move(req)
219 d = self._POST_check(req)
220 elif t == "start-deep-check":
221 d = self._POST_start_deep_check(ctx)
222 elif t == "stream-deep-check":
223 d = self._POST_stream_deep_check(ctx)
224 elif t == "start-manifest":
225 d = self._POST_start_manifest(ctx)
226 elif t == "start-deep-size":
227 d = self._POST_start_deep_size(ctx)
228 elif t == "start-deep-stats":
229 d = self._POST_start_deep_stats(ctx)
230 elif t == "stream-manifest":
231 d = self._POST_stream_manifest(ctx)
232 elif t == "set_children" or t == "set-children":
233 d = self._POST_set_children(req)
235 raise WebError("POST to a directory with bad t=%s" % t)
237 when_done = get_arg(req, "when_done", None)
239 d.addCallback(lambda res: url.URL.fromString(when_done))
242 def _POST_mkdir(self, req):
243 name = get_arg(req, "name", "")
245 # our job is done, it was handled by the code in got_child
246 # which created the final directory (i.e. us)
247 return defer.succeed(self.node.get_uri()) # TODO: urlencode
248 name = name.decode("utf-8")
249 replace = boolean_of_arg(get_arg(req, "replace", "true"))
251 mt = get_mutable_type(get_format(req, None))
252 d = self.node.create_subdirectory(name, kids, overwrite=replace,
254 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
257 def _POST_mkdir_with_children(self, req):
258 name = get_arg(req, "name", "")
260 # our job is done, it was handled by the code in got_child
261 # which created the final directory (i.e. us)
262 return defer.succeed(self.node.get_uri()) # TODO: urlencode
263 name = name.decode("utf-8")
264 # TODO: decide on replace= behavior, see #903
265 #replace = boolean_of_arg(get_arg(req, "replace", "false"))
267 kids_json = req.content.read()
268 kids = convert_children_json(self.client.nodemaker, kids_json)
269 mt = get_mutable_type(get_format(req, None))
270 d = self.node.create_subdirectory(name, kids, overwrite=False,
272 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
275 def _POST_mkdir_immutable(self, req):
276 name = get_arg(req, "name", "")
278 # our job is done, it was handled by the code in got_child
279 # which created the final directory (i.e. us)
280 return defer.succeed(self.node.get_uri()) # TODO: urlencode
281 name = name.decode("utf-8")
282 # TODO: decide on replace= behavior, see #903
283 #replace = boolean_of_arg(get_arg(req, "replace", "false"))
285 kids_json = req.content.read()
286 kids = convert_children_json(self.client.nodemaker, kids_json)
287 d = self.node.create_subdirectory(name, kids, overwrite=False, mutable=False)
288 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
291 def _POST_mkdir_p(self, req):
292 path = get_arg(req, "path")
294 raise WebError("mkdir-p requires a path")
295 path_ = tuple([seg.decode("utf-8") for seg in path.split('/') if seg ])
297 d = self._get_or_create_directories(self.node, path_)
298 d.addCallback(lambda node: node.get_uri())
301 def _get_or_create_directories(self, node, path):
302 if not IDirectoryNode.providedBy(node):
303 # unfortunately it is too late to provide the name of the
304 # blocking directory in the error message.
305 raise BlockingFileError("cannot create directory because there "
306 "is a file in the way")
308 return defer.succeed(node)
309 d = node.get(path[0])
310 def _maybe_create(f):
311 f.trap(NoSuchChildError)
312 return node.create_subdirectory(path[0])
313 d.addErrback(_maybe_create)
314 d.addCallback(self._get_or_create_directories, path[1:])
317 def _POST_upload(self, ctx):
319 charset = get_arg(req, "_charset", "utf-8")
320 contents = req.fields["file"]
321 assert contents.filename is None or isinstance(contents.filename, str)
322 name = get_arg(req, "name")
323 name = name or contents.filename
327 # this prohibts empty, missing, and all-whitespace filenames
328 raise WebError("upload requires a name")
329 assert isinstance(name, str)
330 name = name.decode(charset)
332 raise WebError("name= may not contain a slash", http.BAD_REQUEST)
333 assert isinstance(name, unicode)
335 # since POST /uri/path/file?t=upload is equivalent to
336 # POST /uri/path/dir?t=upload&name=foo, just do the same thing that
337 # childFactory would do. Things are cleaner if we only do a subset of
338 # them, though, so we don't do: d = self.childFactory(ctx, name)
340 d = self.node.get(name)
341 def _maybe_got_node(node_or_failure):
342 if isinstance(node_or_failure, Failure):
344 f.trap(NoSuchChildError)
345 # create a placeholder which will see POST t=upload
346 return PlaceHolderNodeHandler(self.client, self.node, name)
348 node = node_or_failure
349 return make_handler_for(node, self.client, self.node, name)
350 d.addBoth(_maybe_got_node)
351 # now we have a placeholder or a filenodehandler, and we can just
352 # delegate to it. We could return the resource back out of
353 # DirectoryNodeHandler.renderHTTP, and nevow would recurse into it,
354 # but the addCallback() that handles when_done= would break.
355 d.addCallback(lambda child: child.renderHTTP(ctx))
358 def _POST_uri(self, req):
359 childcap = get_arg(req, "uri")
361 raise WebError("set-uri requires a uri")
362 name = get_arg(req, "name")
364 raise WebError("set-uri requires a name")
365 charset = get_arg(req, "_charset", "utf-8")
366 name = name.decode(charset)
367 replace = boolean_of_arg(get_arg(req, "replace", "true"))
369 # We mustn't pass childcap for the readcap argument because we don't
370 # know whether it is a read cap. Passing a read cap as the writecap
371 # argument will work (it ends up calling NodeMaker.create_from_cap,
372 # which derives a readcap if necessary and possible).
373 d = self.node.set_uri(name, childcap, None, overwrite=replace)
374 d.addCallback(lambda res: childcap)
377 def _POST_unlink(self, req):
378 name = get_arg(req, "name")
380 # apparently an <input type="hidden" name="name" value="">
381 # won't show up in the resulting encoded form.. the 'name'
382 # field is completely missing. So to allow unlinking of a
383 # child with a name that is the empty string, we have to
384 # pretend that None means ''. The only downside of this is
385 # a slightly confusing error message if someone does a POST
386 # without a name= field. For our own HTML this isn't a big
387 # deal, because we create the 'unlink' POST buttons ourselves.
389 charset = get_arg(req, "_charset", "utf-8")
390 name = name.decode(charset)
391 d = self.node.delete(name)
392 d.addCallback(lambda res: "thing unlinked")
395 def _POST_rename(self, req):
396 charset = get_arg(req, "_charset", "utf-8")
397 from_name = get_arg(req, "from_name")
398 if from_name is not None:
399 from_name = from_name.strip()
400 from_name = from_name.decode(charset)
401 assert isinstance(from_name, unicode)
402 to_name = get_arg(req, "to_name")
403 if to_name is not None:
404 to_name = to_name.strip()
405 to_name = to_name.decode(charset)
406 assert isinstance(to_name, unicode)
407 if not from_name or not to_name:
408 raise WebError("rename requires from_name and to_name")
409 if from_name == to_name:
410 return defer.succeed("redundant rename")
412 # allow from_name to contain slashes, so they can fix names that were
413 # accidentally created with them. But disallow them in to_name, to
414 # discourage the practice.
416 raise WebError("to_name= may not contain a slash", http.BAD_REQUEST)
418 replace = boolean_of_arg(get_arg(req, "replace", "true"))
419 d = self.node.move_child_to(from_name, self.node, to_name, replace)
420 d.addCallback(lambda res: "thing renamed")
423 def _POST_move(self, req):
424 charset = get_arg(req, "_charset", "utf-8")
425 from_name = get_arg(req, "from_name")
426 if from_name is not None:
427 from_name = from_name.strip()
428 from_name = from_name.decode(charset)
429 assert isinstance(from_name, unicode)
430 to_name = get_arg(req, "to_name")
431 if to_name is not None:
432 to_name = to_name.strip()
433 to_name = to_name.decode(charset)
434 assert isinstance(to_name, unicode)
437 to_dir = get_arg(req, "to_dir")
438 if to_dir is not None:
439 to_dir = to_dir.strip()
440 to_dir = to_dir.decode(charset)
441 assert isinstance(to_dir, unicode)
442 if not from_name or not to_dir:
443 raise WebError("move requires from_name and to_dir")
444 replace = boolean_of_arg(get_arg(req, "replace", "true"))
446 # Disallow slashes in both from_name and to_name, that would only
447 # cause confusion. t=move is only for moving things from the
448 # *current* directory into a second directory named by to_dir=
450 raise WebError("from_name= may not contain a slash",
453 raise WebError("to_name= may not contain a slash",
456 target_type = get_arg(req, "target_type", "name")
457 if target_type == "name":
458 d = self.node.get_child_at_path(to_dir)
459 elif target_type == "uri":
460 d = defer.succeed(self.client.create_node_from_uri(str(to_dir)))
462 raise WebError("invalid target_type parameter", http.BAD_REQUEST)
464 def is_target_node_usable(target_node):
465 if not IDirectoryNode.providedBy(target_node):
466 raise WebError("to_dir is not a directory", http.BAD_REQUEST)
468 d.addCallback(is_target_node_usable)
469 d.addCallback(lambda new_parent:
470 self.node.move_child_to(from_name, new_parent,
472 d.addCallback(lambda res: "thing moved")
475 def _maybe_literal(self, res, Results_Class):
477 return Results_Class(self.client, res)
478 return LiteralCheckResultsRenderer(self.client)
480 def _POST_check(self, req):
481 # check this directory
482 verify = boolean_of_arg(get_arg(req, "verify", "false"))
483 repair = boolean_of_arg(get_arg(req, "repair", "false"))
484 add_lease = boolean_of_arg(get_arg(req, "add-lease", "false"))
486 d = self.node.check_and_repair(Monitor(), verify, add_lease)
487 d.addCallback(self._maybe_literal, CheckAndRepairResultsRenderer)
489 d = self.node.check(Monitor(), verify, add_lease)
490 d.addCallback(self._maybe_literal, CheckResultsRenderer)
493 def _start_operation(self, monitor, renderer, ctx):
494 table = IOpHandleTable(ctx)
495 table.add_monitor(ctx, monitor, renderer)
496 return table.redirect_to(ctx)
498 def _POST_start_deep_check(self, ctx):
499 # check this directory and everything reachable from it
500 if not get_arg(ctx, "ophandle"):
501 raise NeedOperationHandleError("slow operation requires ophandle=")
502 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
503 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
504 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
506 monitor = self.node.start_deep_check_and_repair(verify, add_lease)
507 renderer = DeepCheckAndRepairResultsRenderer(self.client, monitor)
509 monitor = self.node.start_deep_check(verify, add_lease)
510 renderer = DeepCheckResultsRenderer(self.client, monitor)
511 return self._start_operation(monitor, renderer, ctx)
513 def _POST_stream_deep_check(self, ctx):
514 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
515 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
516 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
517 walker = DeepCheckStreamer(ctx, self.node, verify, repair, add_lease)
518 monitor = self.node.deep_traverse(walker)
519 walker.setMonitor(monitor)
520 # register to hear stopProducing. The walker ignores pauseProducing.
521 IRequest(ctx).registerProducer(walker, True)
522 d = monitor.when_done()
524 IRequest(ctx).unregisterProducer()
528 f.trap(OperationCancelledError)
529 return "Operation Cancelled"
530 d.addErrback(_cancelled)
532 # signal the error as a non-JSON "ERROR:" line, plus exception
533 msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__,
534 ", ".join([str(a) for a in f.value.args]))
540 def _POST_start_manifest(self, ctx):
541 if not get_arg(ctx, "ophandle"):
542 raise NeedOperationHandleError("slow operation requires ophandle=")
543 monitor = self.node.build_manifest()
544 renderer = ManifestResults(self.client, monitor)
545 return self._start_operation(monitor, renderer, ctx)
547 def _POST_start_deep_size(self, ctx):
548 if not get_arg(ctx, "ophandle"):
549 raise NeedOperationHandleError("slow operation requires ophandle=")
550 monitor = self.node.start_deep_stats()
551 renderer = DeepSizeResults(self.client, monitor)
552 return self._start_operation(monitor, renderer, ctx)
554 def _POST_start_deep_stats(self, ctx):
555 if not get_arg(ctx, "ophandle"):
556 raise NeedOperationHandleError("slow operation requires ophandle=")
557 monitor = self.node.start_deep_stats()
558 renderer = DeepStatsResults(self.client, monitor)
559 return self._start_operation(monitor, renderer, ctx)
561 def _POST_stream_manifest(self, ctx):
562 walker = ManifestStreamer(ctx, self.node)
563 monitor = self.node.deep_traverse(walker)
564 walker.setMonitor(monitor)
565 # register to hear stopProducing. The walker ignores pauseProducing.
566 IRequest(ctx).registerProducer(walker, True)
567 d = monitor.when_done()
569 IRequest(ctx).unregisterProducer()
573 f.trap(OperationCancelledError)
574 return "Operation Cancelled"
575 d.addErrback(_cancelled)
577 # signal the error as a non-JSON "ERROR:" line, plus exception
578 msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__,
579 ", ".join([str(a) for a in f.value.args]))
585 def _POST_set_children(self, req):
586 replace = boolean_of_arg(get_arg(req, "replace", "true"))
588 body = req.content.read()
590 children = simplejson.loads(body)
591 except ValueError, le:
592 le.args = tuple(le.args + (body,))
593 # TODO test handling of bad JSON
596 for name, (file_or_dir, mddict) in children.iteritems():
597 name = unicode(name) # simplejson-2.0.1 returns str *or* unicode
598 writecap = mddict.get('rw_uri')
599 if writecap is not None:
600 writecap = str(writecap)
601 readcap = mddict.get('ro_uri')
602 if readcap is not None:
603 readcap = str(readcap)
604 cs[name] = (writecap, readcap, mddict.get('metadata'))
605 d = self.node.set_children(cs, replace)
606 d.addCallback(lambda res: "Okay so I did it.")
610 def abbreviated_dirnode(dirnode):
611 u = from_string_dirnode(dirnode.get_uri())
616 class DirectoryAsHTML(rend.Page):
617 # The remainder of this class is to render the directory into
618 # human+browser -oriented HTML.
619 docFactory = getxmlfile("directory.xhtml")
622 def __init__(self, node, default_mutable_format):
623 rend.Page.__init__(self)
626 assert default_mutable_format in (MDMF_VERSION, SDMF_VERSION)
627 self.default_mutable_format = default_mutable_format
629 def beforeRender(self, ctx):
630 # attempt to get the dirnode's children, stashing them (or the
631 # failure that results) for later use
634 # Deferreds don't optimize out tail recursion, and the way
635 # Nevow's flattener handles Deferreds doesn't take this into
636 # account. As a result, large lists of Deferreds that fire in the
637 # same turn (i.e. the output of defer.succeed) will cause a stack
638 # overflow. To work around this, we insert a turn break after
639 # every 100 items, using foolscap's fireEventually(). This gives
640 # the stack a chance to be popped. It would also work to put
641 # every item in its own turn, but that'd be a lot more
642 # inefficient. This addresses ticket #237, for which I was never
643 # able to create a failing unit test.
645 for i,item in enumerate(sorted(children.items())):
647 output.append(fireEventually(item))
650 self.dirnode_children = output
653 text, code = humanize_failure(f)
654 self.dirnode_children = None
655 self.dirnode_children_error = text
657 d.addCallbacks(_good, _bad)
660 def render_title(self, ctx, data):
661 si_s = abbreviated_dirnode(self.node)
662 header = ["Tahoe-LAFS - Directory SI=%s" % si_s]
663 if self.node.is_unknown():
664 header.append(" (unknown)")
665 elif not self.node.is_mutable():
666 header.append(" (immutable)")
667 elif self.node.is_readonly():
668 header.append(" (read-only)")
670 header.append(" (modifiable)")
671 return ctx.tag[header]
673 def render_header(self, ctx, data):
674 si_s = abbreviated_dirnode(self.node)
675 header = ["Tahoe-LAFS Directory SI=", T.span(class_="data-chars")[si_s]]
676 if self.node.is_unknown():
677 header.append(" (unknown)")
678 elif not self.node.is_mutable():
679 header.append(" (immutable)")
680 elif self.node.is_readonly():
681 header.append(" (read-only)")
682 return ctx.tag[header]
684 def render_welcome(self, ctx, data):
686 return ctx.tag[T.a(href=link)["Return to Welcome page"]]
688 def render_show_readonly(self, ctx, data):
689 if self.node.is_unknown() or self.node.is_readonly():
691 rocap = self.node.get_readonly_uri()
693 uri_link = "%s/uri/%s/" % (root, urllib.quote(rocap))
694 return ctx.tag[T.a(href=uri_link)["Read-Only Version"]]
696 def render_try_children(self, ctx, data):
697 # if the dirnode can be retrived, render a table of children.
698 # Otherwise, render an apologetic error message.
699 if self.dirnode_children is not None:
702 return T.div[T.p["Error reading directory:"],
703 T.p[self.dirnode_children_error]]
705 def data_children(self, ctx, data):
706 return self.dirnode_children
708 def render_row(self, ctx, data):
709 name, (target, metadata) = data
710 name = name.encode("utf-8")
711 assert not isinstance(name, unicode)
712 nameurl = urllib.quote(name, safe="") # encode any slashes too
715 here = "%s/uri/%s/" % (root, urllib.quote(self.node.get_uri()))
716 if self.node.is_unknown() or self.node.is_readonly():
720 # this creates a button which will cause our _POST_unlink method
721 # to be invoked, which unlinks the file and then redirects the
722 # browser back to this directory
723 unlink = T.form(action=here, method="post")[
724 T.input(type='hidden', name='t', value='unlink'),
725 T.input(type='hidden', name='name', value=name),
726 T.input(type='hidden', name='when_done', value="."),
727 T.input(type='submit', value='unlink', name="unlink"),
730 rename = T.form(action=here, method="get")[
731 T.input(type='hidden', name='t', value='rename-form'),
732 T.input(type='hidden', name='name', value=name),
733 T.input(type='hidden', name='when_done', value="."),
734 T.input(type='submit', value='rename/move', name="rename"),
737 ctx.fillSlots("unlink", unlink)
738 ctx.fillSlots("rename", rename)
741 linkcrtime = metadata.get('tahoe', {}).get("linkcrtime")
742 if linkcrtime is not None:
743 times.append("lcr: " + time_format.iso_local(linkcrtime))
745 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
746 if "ctime" in metadata:
747 ctime = time_format.iso_local(metadata["ctime"])
748 times.append("c: " + ctime)
749 linkmotime = metadata.get('tahoe', {}).get("linkmotime")
750 if linkmotime is not None:
753 times.append("lmo: " + time_format.iso_local(linkmotime))
755 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
756 if "mtime" in metadata:
757 mtime = time_format.iso_local(metadata["mtime"])
760 times.append("m: " + mtime)
761 ctx.fillSlots("times", times)
763 assert IFilesystemNode.providedBy(target), target
764 target_uri = target.get_uri() or ""
765 quoted_uri = urllib.quote(target_uri, safe="") # escape slashes too
767 if IMutableFileNode.providedBy(target):
768 # to prevent javascript in displayed .html files from stealing a
769 # secret directory URI from the URL, send the browser to a URI-based
770 # page that doesn't know about the directory at all
771 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
773 ctx.fillSlots("filename",
774 T.a(href=dlurl)[html.escape(name)])
775 ctx.fillSlots("type", "SSK")
777 ctx.fillSlots("size", "?")
779 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
781 elif IImmutableFileNode.providedBy(target):
782 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
784 ctx.fillSlots("filename",
785 T.a(href=dlurl)[html.escape(name)])
786 ctx.fillSlots("type", "FILE")
788 ctx.fillSlots("size", target.get_size())
790 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
792 elif IDirectoryNode.providedBy(target):
794 uri_link = "%s/uri/%s/" % (root, urllib.quote(target_uri))
795 ctx.fillSlots("filename",
796 T.a(href=uri_link)[html.escape(name)])
797 if not target.is_mutable():
799 elif target.is_readonly():
803 ctx.fillSlots("type", dirtype)
804 ctx.fillSlots("size", "-")
805 info_link = "%s/uri/%s/?t=info" % (root, quoted_uri)
807 elif isinstance(target, ProhibitedNode):
808 ctx.fillSlots("filename", T.strike[name])
809 if IDirectoryNode.providedBy(target.wrapped_node):
810 blacklisted_type = "DIR-BLACKLISTED"
812 blacklisted_type = "BLACKLISTED"
813 ctx.fillSlots("type", blacklisted_type)
814 ctx.fillSlots("size", "-")
816 ctx.fillSlots("info", ["Access Prohibited:", T.br, target.reason])
820 ctx.fillSlots("filename", html.escape(name))
821 if target.get_write_uri() is not None:
823 elif not self.node.is_mutable() or target.is_alleged_immutable():
824 unknowntype = "?-IMM"
827 ctx.fillSlots("type", unknowntype)
828 ctx.fillSlots("size", "-")
829 # use a directory-relative info link, so we can extract both the
830 # writecap and the readcap
831 info_link = "%s?t=info" % urllib.quote(name)
834 ctx.fillSlots("info", T.a(href=info_link)["More Info"])
838 # XXX: similar to render_upload_form and render_mkdir_form in root.py.
839 def render_forms(self, ctx, data):
842 if self.node.is_readonly():
843 return T.div["No upload forms: directory is read-only"]
844 if self.dirnode_children is None:
845 return T.div["No upload forms: directory is unreadable"]
847 mkdir_sdmf = T.input(type='radio', name='format',
848 value='sdmf', id='mkdir-sdmf',
850 mkdir_mdmf = T.input(type='radio', name='format',
851 value='mdmf', id='mkdir-mdmf')
853 mkdir_form = T.form(action=".", method="post",
854 enctype="multipart/form-data")[
856 T.input(type="hidden", name="t", value="mkdir"),
857 T.input(type="hidden", name="when_done", value="."),
858 T.legend(class_="freeform-form-label")["Create a new directory in this directory"],
859 "New directory name:"+SPACE,
860 T.input(type="text", name="name"), SPACE,
861 T.input(type="submit", value="Create"), SPACE*2,
862 mkdir_sdmf, T.label(for_='mutable-directory-sdmf')[" SDMF"], SPACE,
863 mkdir_mdmf, T.label(for_='mutable-directory-mdmf')[" MDMF (experimental)"],
865 forms.append(T.div(class_="freeform-form")[mkdir_form])
867 upload_chk = T.input(type='radio', name='format',
868 value='chk', id='upload-chk',
870 upload_sdmf = T.input(type='radio', name='format',
871 value='sdmf', id='upload-sdmf')
872 upload_mdmf = T.input(type='radio', name='format',
873 value='mdmf', id='upload-mdmf')
875 upload_form = T.form(action=".", method="post",
876 enctype="multipart/form-data")[
878 T.input(type="hidden", name="t", value="upload"),
879 T.input(type="hidden", name="when_done", value="."),
880 T.legend(class_="freeform-form-label")["Upload a file to this directory"],
881 "Choose a file to upload:"+SPACE,
882 T.input(type="file", name="file", class_="freeform-input-file"), SPACE,
883 T.input(type="submit", value="Upload"), SPACE*2,
884 upload_chk, T.label(for_="upload-chk") [" Immutable"], SPACE,
885 upload_sdmf, T.label(for_="upload-sdmf")[" SDMF"], SPACE,
886 upload_mdmf, T.label(for_="upload-mdmf")[" MDMF (experimental)"],
888 forms.append(T.div(class_="freeform-form")[upload_form])
890 attach_form = T.form(action=".", method="post",
891 enctype="multipart/form-data")[
893 T.input(type="hidden", name="t", value="uri"),
894 T.input(type="hidden", name="when_done", value="."),
895 T.legend(class_="freeform-form-label")["Add a link to a file or directory which is already in Tahoe-LAFS."],
896 "New child name:"+SPACE,
897 T.input(type="text", name="name"), SPACE*2,
898 "URI of new child:"+SPACE,
899 T.input(type="text", name="uri"), SPACE,
900 T.input(type="submit", value="Attach"),
902 forms.append(T.div(class_="freeform-form")[attach_form])
905 def render_results(self, ctx, data):
907 return get_arg(req, "results", "")
910 def DirectoryJSONMetadata(ctx, dirnode):
914 for name, (childnode, metadata) in children.iteritems():
915 assert IFilesystemNode.providedBy(childnode), childnode
916 rw_uri = childnode.get_write_uri()
917 ro_uri = childnode.get_readonly_uri()
918 if IFileNode.providedBy(childnode):
919 kiddata = ("filenode", {'size': childnode.get_size(),
920 'mutable': childnode.is_mutable(),
922 if childnode.is_mutable():
923 mutable_type = childnode.get_version()
924 assert mutable_type in (SDMF_VERSION, MDMF_VERSION)
925 if mutable_type == MDMF_VERSION:
931 kiddata[1]['format'] = file_format
933 elif IDirectoryNode.providedBy(childnode):
934 kiddata = ("dirnode", {'mutable': childnode.is_mutable()})
936 kiddata = ("unknown", {})
938 kiddata[1]["metadata"] = metadata
940 kiddata[1]["rw_uri"] = rw_uri
942 kiddata[1]["ro_uri"] = ro_uri
943 verifycap = childnode.get_verify_cap()
945 kiddata[1]['verify_uri'] = verifycap.to_string()
949 drw_uri = dirnode.get_write_uri()
950 dro_uri = dirnode.get_readonly_uri()
951 contents = { 'children': kids }
953 contents['ro_uri'] = dro_uri
955 contents['rw_uri'] = drw_uri
956 verifycap = dirnode.get_verify_cap()
958 contents['verify_uri'] = verifycap.to_string()
959 contents['mutable'] = dirnode.is_mutable()
960 data = ("dirnode", contents)
961 json = simplejson.dumps(data, indent=1) + "\n"
964 d.addCallback(text_plain, ctx)
968 def DirectoryURI(ctx, dirnode):
969 return text_plain(dirnode.get_uri(), ctx)
971 def DirectoryReadonlyURI(ctx, dirnode):
972 return text_plain(dirnode.get_readonly_uri(), ctx)
974 class RenameForm(rend.Page):
976 docFactory = getxmlfile("rename-form.xhtml")
978 def render_title(self, ctx, data):
979 return ctx.tag["Directory SI=%s" % abbreviated_dirnode(self.original)]
981 def render_header(self, ctx, data):
983 "in directory SI=%s" % abbreviated_dirnode(self.original),
986 if self.original.is_readonly():
987 header.append(" (readonly!)")
989 return ctx.tag[header]
991 def render_when_done(self, ctx, data):
992 return T.input(type="hidden", name="when_done", value=".")
994 def render_get_name(self, ctx, data):
996 name = get_arg(req, "name", "")
997 ctx.tag.attributes['value'] = name
1000 class ManifestResults(rend.Page, ReloadMixin):
1001 docFactory = getxmlfile("manifest.xhtml")
1003 def __init__(self, client, monitor):
1004 self.client = client
1005 self.monitor = monitor
1007 def renderHTTP(self, ctx):
1008 req = inevow.IRequest(ctx)
1009 output = get_arg(req, "output", "html").lower()
1010 if output == "text":
1011 return self.text(req)
1012 if output == "json":
1013 return self.json(req)
1014 return rend.Page.renderHTTP(self, ctx)
1016 def slashify_path(self, path):
1019 return "/".join([p.encode("utf-8") for p in path])
1021 def text(self, req):
1022 req.setHeader("content-type", "text/plain")
1024 is_finished = self.monitor.is_finished()
1025 lines.append("finished: " + {True: "yes", False: "no"}[is_finished])
1026 for (path, cap) in self.monitor.get_status()["manifest"]:
1027 lines.append(self.slashify_path(path) + " " + cap)
1028 return "\n".join(lines) + "\n"
1030 def json(self, req):
1031 req.setHeader("content-type", "text/plain")
1036 origin_base32 = base32.b2a(m.origin_si)
1039 status = { "stats": s["stats"],
1040 "finished": m.is_finished(),
1041 "origin": origin_base32,
1044 # don't return manifest/verifycaps/SIs unless the operation is
1045 # done, to save on CPU/memory (both here and in the HTTP client
1046 # who has to unpack the JSON). Tests show that the ManifestWalker
1047 # needs about 1092 bytes per item, the JSON we generate here
1048 # requires about 503 bytes per item, and some internal overhead
1049 # (perhaps transport-layer buffers in twisted.web?) requires an
1050 # additional 1047 bytes per item.
1051 status.update({ "manifest": s["manifest"],
1052 "verifycaps": [i for i in s["verifycaps"]],
1053 "storage-index": [i for i in s["storage-index"]],
1055 # simplejson doesn't know how to serialize a set. We use a
1056 # generator that walks the set rather than list(setofthing) to
1057 # save a small amount of memory (4B*len) and a moderate amount of
1059 return simplejson.dumps(status, indent=1)
1061 def _si_abbrev(self):
1062 si = self.monitor.origin_si
1065 return base32.b2a(si)[:6]
1067 def render_title(self, ctx):
1068 return T.title["Manifest of SI=%s" % self._si_abbrev()]
1070 def render_header(self, ctx):
1071 return T.p["Manifest of SI=%s" % self._si_abbrev()]
1073 def data_items(self, ctx, data):
1074 return self.monitor.get_status()["manifest"]
1076 def render_row(self, ctx, (path, cap)):
1077 ctx.fillSlots("path", self.slashify_path(path))
1078 root = get_root(ctx)
1079 # TODO: we need a clean consistent way to get the type of a cap string
1081 if cap.startswith("URI:CHK") or cap.startswith("URI:SSK"):
1082 nameurl = urllib.quote(path[-1].encode("utf-8"))
1083 uri_link = "%s/file/%s/@@named=/%s" % (root, urllib.quote(cap),
1086 uri_link = "%s/uri/%s" % (root, urllib.quote(cap, safe=""))
1087 ctx.fillSlots("cap", T.a(href=uri_link)[cap])
1089 ctx.fillSlots("cap", "")
1092 class DeepSizeResults(rend.Page):
1093 def __init__(self, client, monitor):
1094 self.client = client
1095 self.monitor = monitor
1097 def renderHTTP(self, ctx):
1098 req = inevow.IRequest(ctx)
1099 output = get_arg(req, "output", "html").lower()
1100 req.setHeader("content-type", "text/plain")
1101 if output == "json":
1102 return self.json(req)
1104 is_finished = self.monitor.is_finished()
1105 output = "finished: " + {True: "yes", False: "no"}[is_finished] + "\n"
1107 stats = self.monitor.get_status()
1108 total = (stats.get("size-immutable-files", 0)
1109 + stats.get("size-mutable-files", 0)
1110 + stats.get("size-directories", 0))
1111 output += "size: %d\n" % total
1114 def json(self, req):
1115 status = {"finished": self.monitor.is_finished(),
1116 "size": self.monitor.get_status(),
1118 return simplejson.dumps(status)
1120 class DeepStatsResults(rend.Page):
1121 def __init__(self, client, monitor):
1122 self.client = client
1123 self.monitor = monitor
1125 def renderHTTP(self, ctx):
1127 inevow.IRequest(ctx).setHeader("content-type", "text/plain")
1128 s = self.monitor.get_status().copy()
1129 s["finished"] = self.monitor.is_finished()
1130 return simplejson.dumps(s, indent=1)
1132 class ManifestStreamer(dirnode.DeepStats):
1133 implements(IPushProducer)
1135 def __init__(self, ctx, origin):
1136 dirnode.DeepStats.__init__(self, origin)
1137 self.req = IRequest(ctx)
1139 def setMonitor(self, monitor):
1140 self.monitor = monitor
1141 def pauseProducing(self):
1143 def resumeProducing(self):
1145 def stopProducing(self):
1146 self.monitor.cancel()
1148 def add_node(self, node, path):
1149 dirnode.DeepStats.add_node(self, node, path)
1151 "cap": node.get_uri()}
1153 if IDirectoryNode.providedBy(node):
1154 d["type"] = "directory"
1155 elif IFileNode.providedBy(node):
1158 d["type"] = "unknown"
1160 v = node.get_verify_cap()
1163 d["verifycap"] = v or ""
1165 r = node.get_repair_cap()
1168 d["repaircap"] = r or ""
1170 si = node.get_storage_index()
1173 d["storage-index"] = si or ""
1175 j = simplejson.dumps(d, ensure_ascii=True)
1176 assert "\n" not in j
1177 self.req.write(j+"\n")
1180 stats = dirnode.DeepStats.get_results(self)
1181 d = {"type": "stats",
1184 j = simplejson.dumps(d, ensure_ascii=True)
1185 assert "\n" not in j
1186 self.req.write(j+"\n")
1189 class DeepCheckStreamer(dirnode.DeepStats):
1190 implements(IPushProducer)
1192 def __init__(self, ctx, origin, verify, repair, add_lease):
1193 dirnode.DeepStats.__init__(self, origin)
1194 self.req = IRequest(ctx)
1195 self.verify = verify
1196 self.repair = repair
1197 self.add_lease = add_lease
1199 def setMonitor(self, monitor):
1200 self.monitor = monitor
1201 def pauseProducing(self):
1203 def resumeProducing(self):
1205 def stopProducing(self):
1206 self.monitor.cancel()
1208 def add_node(self, node, path):
1209 dirnode.DeepStats.add_node(self, node, path)
1210 data = {"path": path,
1211 "cap": node.get_uri()}
1213 if IDirectoryNode.providedBy(node):
1214 data["type"] = "directory"
1215 elif IFileNode.providedBy(node):
1216 data["type"] = "file"
1218 data["type"] = "unknown"
1220 v = node.get_verify_cap()
1223 data["verifycap"] = v or ""
1225 r = node.get_repair_cap()
1228 data["repaircap"] = r or ""
1230 si = node.get_storage_index()
1233 data["storage-index"] = si or ""
1236 d = node.check_and_repair(self.monitor, self.verify, self.add_lease)
1237 d.addCallback(self.add_check_and_repair, data)
1239 d = node.check(self.monitor, self.verify, self.add_lease)
1240 d.addCallback(self.add_check, data)
1241 d.addCallback(self.write_line)
1244 def add_check_and_repair(self, crr, data):
1245 data["check-and-repair-results"] = json_check_and_repair_results(crr)
1248 def add_check(self, cr, data):
1249 data["check-results"] = json_check_results(cr)
1252 def write_line(self, data):
1253 j = simplejson.dumps(data, ensure_ascii=True)
1254 assert "\n" not in j
1255 self.req.write(j+"\n")
1258 stats = dirnode.DeepStats.get_results(self)
1259 d = {"type": "stats",
1262 j = simplejson.dumps(d, ensure_ascii=True)
1263 assert "\n" not in j
1264 self.req.write(j+"\n")
1268 class UnknownNodeHandler(RenderMixin, rend.Page):
1269 def __init__(self, client, node, parentnode=None, name=None):
1270 rend.Page.__init__(self)
1273 self.parentnode = parentnode
1276 def render_GET(self, ctx):
1278 t = get_arg(req, "t", "").strip()
1280 return MoreInfo(self.node)
1282 is_parent_known_immutable = self.parentnode and not self.parentnode.is_mutable()
1283 if self.parentnode and self.name:
1284 d = self.parentnode.get_metadata_for(self.name)
1286 d = defer.succeed(None)
1287 d.addCallback(lambda md: UnknownJSONMetadata(ctx, self.node, md, is_parent_known_immutable))
1289 raise WebError("GET unknown URI type: can only do t=info and t=json, not t=%s.\n"
1290 "Using a webapi server that supports a later version of Tahoe "
1293 def UnknownJSONMetadata(ctx, node, edge_metadata, is_parent_known_immutable):
1294 rw_uri = node.get_write_uri()
1295 ro_uri = node.get_readonly_uri()
1296 data = ("unknown", {})
1298 data[1]['ro_uri'] = ro_uri
1300 data[1]['rw_uri'] = rw_uri
1301 data[1]['mutable'] = True
1302 elif is_parent_known_immutable or node.is_alleged_immutable():
1303 data[1]['mutable'] = False
1304 # else we don't know whether it is mutable.
1306 if edge_metadata is not None:
1307 data[1]['metadata'] = edge_metadata
1308 return text_plain(simplejson.dumps(data, indent=1) + "\n", ctx)