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)
206 d = self._POST_upload(ctx) # this one needs the context
208 d = self._POST_uri(req)
209 elif t == "delete" or t == "unlink":
210 d = self._POST_unlink(req)
212 d = self._POST_rename(req)
214 d = self._POST_move(req)
216 d = self._POST_check(req)
217 elif t == "start-deep-check":
218 d = self._POST_start_deep_check(ctx)
219 elif t == "stream-deep-check":
220 d = self._POST_stream_deep_check(ctx)
221 elif t == "start-manifest":
222 d = self._POST_start_manifest(ctx)
223 elif t == "start-deep-size":
224 d = self._POST_start_deep_size(ctx)
225 elif t == "start-deep-stats":
226 d = self._POST_start_deep_stats(ctx)
227 elif t == "stream-manifest":
228 d = self._POST_stream_manifest(ctx)
229 elif t == "set_children" or t == "set-children":
230 d = self._POST_set_children(req)
232 raise WebError("POST to a directory with bad t=%s" % t)
234 when_done = get_arg(req, "when_done", None)
236 d.addCallback(lambda res: url.URL.fromString(when_done))
239 def _POST_mkdir(self, req):
240 name = get_arg(req, "name", "")
242 # our job is done, it was handled by the code in got_child
243 # which created the final directory (i.e. us)
244 return defer.succeed(self.node.get_uri()) # TODO: urlencode
245 name = name.decode("utf-8")
246 replace = boolean_of_arg(get_arg(req, "replace", "true"))
248 mt = get_mutable_type(get_format(req, None))
249 d = self.node.create_subdirectory(name, kids, overwrite=replace,
251 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
254 def _POST_mkdir_with_children(self, req):
255 name = get_arg(req, "name", "")
257 # our job is done, it was handled by the code in got_child
258 # which created the final directory (i.e. us)
259 return defer.succeed(self.node.get_uri()) # TODO: urlencode
260 name = name.decode("utf-8")
261 # TODO: decide on replace= behavior, see #903
262 #replace = boolean_of_arg(get_arg(req, "replace", "false"))
264 kids_json = req.content.read()
265 kids = convert_children_json(self.client.nodemaker, kids_json)
266 mt = get_mutable_type(get_format(req, None))
267 d = self.node.create_subdirectory(name, kids, overwrite=False,
269 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
272 def _POST_mkdir_immutable(self, req):
273 name = get_arg(req, "name", "")
275 # our job is done, it was handled by the code in got_child
276 # which created the final directory (i.e. us)
277 return defer.succeed(self.node.get_uri()) # TODO: urlencode
278 name = name.decode("utf-8")
279 # TODO: decide on replace= behavior, see #903
280 #replace = boolean_of_arg(get_arg(req, "replace", "false"))
282 kids_json = req.content.read()
283 kids = convert_children_json(self.client.nodemaker, kids_json)
284 d = self.node.create_subdirectory(name, kids, overwrite=False, mutable=False)
285 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
288 def _POST_upload(self, ctx):
290 charset = get_arg(req, "_charset", "utf-8")
291 contents = req.fields["file"]
292 assert contents.filename is None or isinstance(contents.filename, str)
293 name = get_arg(req, "name")
294 name = name or contents.filename
298 # this prohibts empty, missing, and all-whitespace filenames
299 raise WebError("upload requires a name")
300 assert isinstance(name, str)
301 name = name.decode(charset)
303 raise WebError("name= may not contain a slash", http.BAD_REQUEST)
304 assert isinstance(name, unicode)
306 # since POST /uri/path/file?t=upload is equivalent to
307 # POST /uri/path/dir?t=upload&name=foo, just do the same thing that
308 # childFactory would do. Things are cleaner if we only do a subset of
309 # them, though, so we don't do: d = self.childFactory(ctx, name)
311 d = self.node.get(name)
312 def _maybe_got_node(node_or_failure):
313 if isinstance(node_or_failure, Failure):
315 f.trap(NoSuchChildError)
316 # create a placeholder which will see POST t=upload
317 return PlaceHolderNodeHandler(self.client, self.node, name)
319 node = node_or_failure
320 return make_handler_for(node, self.client, self.node, name)
321 d.addBoth(_maybe_got_node)
322 # now we have a placeholder or a filenodehandler, and we can just
323 # delegate to it. We could return the resource back out of
324 # DirectoryNodeHandler.renderHTTP, and nevow would recurse into it,
325 # but the addCallback() that handles when_done= would break.
326 d.addCallback(lambda child: child.renderHTTP(ctx))
329 def _POST_uri(self, req):
330 childcap = get_arg(req, "uri")
332 raise WebError("set-uri requires a uri")
333 name = get_arg(req, "name")
335 raise WebError("set-uri requires a name")
336 charset = get_arg(req, "_charset", "utf-8")
337 name = name.decode(charset)
338 replace = boolean_of_arg(get_arg(req, "replace", "true"))
340 # We mustn't pass childcap for the readcap argument because we don't
341 # know whether it is a read cap. Passing a read cap as the writecap
342 # argument will work (it ends up calling NodeMaker.create_from_cap,
343 # which derives a readcap if necessary and possible).
344 d = self.node.set_uri(name, childcap, None, overwrite=replace)
345 d.addCallback(lambda res: childcap)
348 def _POST_unlink(self, req):
349 name = get_arg(req, "name")
351 # apparently an <input type="hidden" name="name" value="">
352 # won't show up in the resulting encoded form.. the 'name'
353 # field is completely missing. So to allow unlinking of a
354 # child with a name that is the empty string, we have to
355 # pretend that None means ''. The only downside of this is
356 # a slightly confusing error message if someone does a POST
357 # without a name= field. For our own HTML this isn't a big
358 # deal, because we create the 'unlink' POST buttons ourselves.
360 charset = get_arg(req, "_charset", "utf-8")
361 name = name.decode(charset)
362 d = self.node.delete(name)
363 d.addCallback(lambda res: "thing unlinked")
366 def _POST_rename(self, req):
367 charset = get_arg(req, "_charset", "utf-8")
368 from_name = get_arg(req, "from_name")
369 if from_name is not None:
370 from_name = from_name.strip()
371 from_name = from_name.decode(charset)
372 assert isinstance(from_name, unicode)
373 to_name = get_arg(req, "to_name")
374 if to_name is not None:
375 to_name = to_name.strip()
376 to_name = to_name.decode(charset)
377 assert isinstance(to_name, unicode)
378 if not from_name or not to_name:
379 raise WebError("rename requires from_name and to_name")
380 if from_name == to_name:
381 return defer.succeed("redundant rename")
383 # allow from_name to contain slashes, so they can fix names that were
384 # accidentally created with them. But disallow them in to_name, to
385 # discourage the practice.
387 raise WebError("to_name= may not contain a slash", http.BAD_REQUEST)
389 replace = boolean_of_arg(get_arg(req, "replace", "true"))
390 d = self.node.move_child_to(from_name, self.node, to_name, replace)
391 d.addCallback(lambda res: "thing renamed")
394 def _POST_move(self, req):
395 charset = get_arg(req, "_charset", "utf-8")
396 from_name = get_arg(req, "from_name")
397 if from_name is not None:
398 from_name = from_name.strip()
399 from_name = from_name.decode(charset)
400 assert isinstance(from_name, unicode)
401 to_name = get_arg(req, "to_name")
402 if to_name is not None:
403 to_name = to_name.strip()
404 to_name = to_name.decode(charset)
405 assert isinstance(to_name, unicode)
408 to_dir = get_arg(req, "to_dir")
409 if to_dir is not None:
410 to_dir = to_dir.strip()
411 to_dir = to_dir.decode(charset)
412 assert isinstance(to_dir, unicode)
413 if not from_name or not to_dir:
414 raise WebError("move requires from_name and to_dir")
415 replace = boolean_of_arg(get_arg(req, "replace", "true"))
417 # Disallow slashes in both from_name and to_name, that would only
418 # cause confusion. t=move is only for moving things from the
419 # *current* directory into a second directory named by to_dir=
421 raise WebError("from_name= may not contain a slash",
424 raise WebError("to_name= may not contain a slash",
427 target_type = get_arg(req, "target_type", "name")
428 if target_type == "name":
429 d = self.node.get_child_at_path(to_dir)
430 elif target_type == "uri":
431 d = defer.succeed(self.client.create_node_from_uri(str(to_dir)))
433 raise WebError("invalid target_type parameter", http.BAD_REQUEST)
435 def is_target_node_usable(target_node):
436 if not IDirectoryNode.providedBy(target_node):
437 raise WebError("to_dir is not a directory", http.BAD_REQUEST)
439 d.addCallback(is_target_node_usable)
440 d.addCallback(lambda new_parent:
441 self.node.move_child_to(from_name, new_parent,
443 d.addCallback(lambda res: "thing moved")
446 def _maybe_literal(self, res, Results_Class):
448 return Results_Class(self.client, res)
449 return LiteralCheckResultsRenderer(self.client)
451 def _POST_check(self, req):
452 # check this directory
453 verify = boolean_of_arg(get_arg(req, "verify", "false"))
454 repair = boolean_of_arg(get_arg(req, "repair", "false"))
455 add_lease = boolean_of_arg(get_arg(req, "add-lease", "false"))
457 d = self.node.check_and_repair(Monitor(), verify, add_lease)
458 d.addCallback(self._maybe_literal, CheckAndRepairResultsRenderer)
460 d = self.node.check(Monitor(), verify, add_lease)
461 d.addCallback(self._maybe_literal, CheckResultsRenderer)
464 def _start_operation(self, monitor, renderer, ctx):
465 table = IOpHandleTable(ctx)
466 table.add_monitor(ctx, monitor, renderer)
467 return table.redirect_to(ctx)
469 def _POST_start_deep_check(self, ctx):
470 # check this directory and everything reachable from it
471 if not get_arg(ctx, "ophandle"):
472 raise NeedOperationHandleError("slow operation requires ophandle=")
473 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
474 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
475 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
477 monitor = self.node.start_deep_check_and_repair(verify, add_lease)
478 renderer = DeepCheckAndRepairResultsRenderer(self.client, monitor)
480 monitor = self.node.start_deep_check(verify, add_lease)
481 renderer = DeepCheckResultsRenderer(self.client, monitor)
482 return self._start_operation(monitor, renderer, ctx)
484 def _POST_stream_deep_check(self, ctx):
485 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
486 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
487 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
488 walker = DeepCheckStreamer(ctx, self.node, verify, repair, add_lease)
489 monitor = self.node.deep_traverse(walker)
490 walker.setMonitor(monitor)
491 # register to hear stopProducing. The walker ignores pauseProducing.
492 IRequest(ctx).registerProducer(walker, True)
493 d = monitor.when_done()
495 IRequest(ctx).unregisterProducer()
499 f.trap(OperationCancelledError)
500 return "Operation Cancelled"
501 d.addErrback(_cancelled)
503 # signal the error as a non-JSON "ERROR:" line, plus exception
504 msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__,
505 ", ".join([str(a) for a in f.value.args]))
511 def _POST_start_manifest(self, ctx):
512 if not get_arg(ctx, "ophandle"):
513 raise NeedOperationHandleError("slow operation requires ophandle=")
514 monitor = self.node.build_manifest()
515 renderer = ManifestResults(self.client, monitor)
516 return self._start_operation(monitor, renderer, ctx)
518 def _POST_start_deep_size(self, ctx):
519 if not get_arg(ctx, "ophandle"):
520 raise NeedOperationHandleError("slow operation requires ophandle=")
521 monitor = self.node.start_deep_stats()
522 renderer = DeepSizeResults(self.client, monitor)
523 return self._start_operation(monitor, renderer, ctx)
525 def _POST_start_deep_stats(self, ctx):
526 if not get_arg(ctx, "ophandle"):
527 raise NeedOperationHandleError("slow operation requires ophandle=")
528 monitor = self.node.start_deep_stats()
529 renderer = DeepStatsResults(self.client, monitor)
530 return self._start_operation(monitor, renderer, ctx)
532 def _POST_stream_manifest(self, ctx):
533 walker = ManifestStreamer(ctx, self.node)
534 monitor = self.node.deep_traverse(walker)
535 walker.setMonitor(monitor)
536 # register to hear stopProducing. The walker ignores pauseProducing.
537 IRequest(ctx).registerProducer(walker, True)
538 d = monitor.when_done()
540 IRequest(ctx).unregisterProducer()
544 f.trap(OperationCancelledError)
545 return "Operation Cancelled"
546 d.addErrback(_cancelled)
548 # signal the error as a non-JSON "ERROR:" line, plus exception
549 msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__,
550 ", ".join([str(a) for a in f.value.args]))
556 def _POST_set_children(self, req):
557 replace = boolean_of_arg(get_arg(req, "replace", "true"))
559 body = req.content.read()
561 children = simplejson.loads(body)
562 except ValueError, le:
563 le.args = tuple(le.args + (body,))
564 # TODO test handling of bad JSON
567 for name, (file_or_dir, mddict) in children.iteritems():
568 name = unicode(name) # simplejson-2.0.1 returns str *or* unicode
569 writecap = mddict.get('rw_uri')
570 if writecap is not None:
571 writecap = str(writecap)
572 readcap = mddict.get('ro_uri')
573 if readcap is not None:
574 readcap = str(readcap)
575 cs[name] = (writecap, readcap, mddict.get('metadata'))
576 d = self.node.set_children(cs, replace)
577 d.addCallback(lambda res: "Okay so I did it.")
581 def abbreviated_dirnode(dirnode):
582 u = from_string_dirnode(dirnode.get_uri())
587 class DirectoryAsHTML(rend.Page):
588 # The remainder of this class is to render the directory into
589 # human+browser -oriented HTML.
590 docFactory = getxmlfile("directory.xhtml")
593 def __init__(self, node, default_mutable_format):
594 rend.Page.__init__(self)
597 assert default_mutable_format in (MDMF_VERSION, SDMF_VERSION)
598 self.default_mutable_format = default_mutable_format
600 def beforeRender(self, ctx):
601 # attempt to get the dirnode's children, stashing them (or the
602 # failure that results) for later use
605 # Deferreds don't optimize out tail recursion, and the way
606 # Nevow's flattener handles Deferreds doesn't take this into
607 # account. As a result, large lists of Deferreds that fire in the
608 # same turn (i.e. the output of defer.succeed) will cause a stack
609 # overflow. To work around this, we insert a turn break after
610 # every 100 items, using foolscap's fireEventually(). This gives
611 # the stack a chance to be popped. It would also work to put
612 # every item in its own turn, but that'd be a lot more
613 # inefficient. This addresses ticket #237, for which I was never
614 # able to create a failing unit test.
616 for i,item in enumerate(sorted(children.items())):
618 output.append(fireEventually(item))
621 self.dirnode_children = output
624 text, code = humanize_failure(f)
625 self.dirnode_children = None
626 self.dirnode_children_error = text
628 d.addCallbacks(_good, _bad)
631 def render_title(self, ctx, data):
632 si_s = abbreviated_dirnode(self.node)
633 header = ["Tahoe-LAFS - Directory SI=%s" % si_s]
634 if self.node.is_unknown():
635 header.append(" (unknown)")
636 elif not self.node.is_mutable():
637 header.append(" (immutable)")
638 elif self.node.is_readonly():
639 header.append(" (read-only)")
641 header.append(" (modifiable)")
642 return ctx.tag[header]
644 def render_header(self, ctx, data):
645 si_s = abbreviated_dirnode(self.node)
646 header = ["Tahoe-LAFS Directory SI=", T.span(class_="data-chars")[si_s]]
647 if self.node.is_unknown():
648 header.append(" (unknown)")
649 elif not self.node.is_mutable():
650 header.append(" (immutable)")
651 elif self.node.is_readonly():
652 header.append(" (read-only)")
653 return ctx.tag[header]
655 def render_welcome(self, ctx, data):
657 return ctx.tag[T.a(href=link)["Return to Welcome page"]]
659 def render_show_readonly(self, ctx, data):
660 if self.node.is_unknown() or self.node.is_readonly():
662 rocap = self.node.get_readonly_uri()
664 uri_link = "%s/uri/%s/" % (root, urllib.quote(rocap))
665 return ctx.tag[T.a(href=uri_link)["Read-Only Version"]]
667 def render_try_children(self, ctx, data):
668 # if the dirnode can be retrived, render a table of children.
669 # Otherwise, render an apologetic error message.
670 if self.dirnode_children is not None:
673 return T.div[T.p["Error reading directory:"],
674 T.p[self.dirnode_children_error]]
676 def data_children(self, ctx, data):
677 return self.dirnode_children
679 def render_row(self, ctx, data):
680 name, (target, metadata) = data
681 name = name.encode("utf-8")
682 assert not isinstance(name, unicode)
683 nameurl = urllib.quote(name, safe="") # encode any slashes too
686 here = "%s/uri/%s/" % (root, urllib.quote(self.node.get_uri()))
687 if self.node.is_unknown() or self.node.is_readonly():
691 # this creates a button which will cause our _POST_unlink method
692 # to be invoked, which unlinks the file and then redirects the
693 # browser back to this directory
694 unlink = T.form(action=here, method="post")[
695 T.input(type='hidden', name='t', value='unlink'),
696 T.input(type='hidden', name='name', value=name),
697 T.input(type='hidden', name='when_done', value="."),
698 T.input(type='submit', value='unlink', name="unlink"),
701 rename = T.form(action=here, method="get")[
702 T.input(type='hidden', name='t', value='rename-form'),
703 T.input(type='hidden', name='name', value=name),
704 T.input(type='hidden', name='when_done', value="."),
705 T.input(type='submit', value='rename/move', name="rename"),
708 ctx.fillSlots("unlink", unlink)
709 ctx.fillSlots("rename", rename)
712 linkcrtime = metadata.get('tahoe', {}).get("linkcrtime")
713 if linkcrtime is not None:
714 times.append("lcr: " + time_format.iso_local(linkcrtime))
716 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
717 if "ctime" in metadata:
718 ctime = time_format.iso_local(metadata["ctime"])
719 times.append("c: " + ctime)
720 linkmotime = metadata.get('tahoe', {}).get("linkmotime")
721 if linkmotime is not None:
724 times.append("lmo: " + time_format.iso_local(linkmotime))
726 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
727 if "mtime" in metadata:
728 mtime = time_format.iso_local(metadata["mtime"])
731 times.append("m: " + mtime)
732 ctx.fillSlots("times", times)
734 assert IFilesystemNode.providedBy(target), target
735 target_uri = target.get_uri() or ""
736 quoted_uri = urllib.quote(target_uri, safe="") # escape slashes too
738 if IMutableFileNode.providedBy(target):
739 # to prevent javascript in displayed .html files from stealing a
740 # secret directory URI from the URL, send the browser to a URI-based
741 # page that doesn't know about the directory at all
742 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
744 ctx.fillSlots("filename",
745 T.a(href=dlurl)[html.escape(name)])
746 ctx.fillSlots("type", "SSK")
748 ctx.fillSlots("size", "?")
750 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
752 elif IImmutableFileNode.providedBy(target):
753 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
755 ctx.fillSlots("filename",
756 T.a(href=dlurl)[html.escape(name)])
757 ctx.fillSlots("type", "FILE")
759 ctx.fillSlots("size", target.get_size())
761 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
763 elif IDirectoryNode.providedBy(target):
765 uri_link = "%s/uri/%s/" % (root, urllib.quote(target_uri))
766 ctx.fillSlots("filename",
767 T.a(href=uri_link)[html.escape(name)])
768 if not target.is_mutable():
770 elif target.is_readonly():
774 ctx.fillSlots("type", dirtype)
775 ctx.fillSlots("size", "-")
776 info_link = "%s/uri/%s/?t=info" % (root, quoted_uri)
778 elif isinstance(target, ProhibitedNode):
779 ctx.fillSlots("filename", T.strike[name])
780 if IDirectoryNode.providedBy(target.wrapped_node):
781 blacklisted_type = "DIR-BLACKLISTED"
783 blacklisted_type = "BLACKLISTED"
784 ctx.fillSlots("type", blacklisted_type)
785 ctx.fillSlots("size", "-")
787 ctx.fillSlots("info", ["Access Prohibited:", T.br, target.reason])
791 ctx.fillSlots("filename", html.escape(name))
792 if target.get_write_uri() is not None:
794 elif not self.node.is_mutable() or target.is_alleged_immutable():
795 unknowntype = "?-IMM"
798 ctx.fillSlots("type", unknowntype)
799 ctx.fillSlots("size", "-")
800 # use a directory-relative info link, so we can extract both the
801 # writecap and the readcap
802 info_link = "%s?t=info" % urllib.quote(name)
805 ctx.fillSlots("info", T.a(href=info_link)["More Info"])
809 # XXX: similar to render_upload_form and render_mkdir_form in root.py.
810 def render_forms(self, ctx, data):
813 if self.node.is_readonly():
814 return T.div["No upload forms: directory is read-only"]
815 if self.dirnode_children is None:
816 return T.div["No upload forms: directory is unreadable"]
818 mkdir_sdmf = T.input(type='radio', name='format',
819 value='sdmf', id='mkdir-sdmf',
821 mkdir_mdmf = T.input(type='radio', name='format',
822 value='mdmf', id='mkdir-mdmf')
824 mkdir_form = T.form(action=".", method="post",
825 enctype="multipart/form-data")[
827 T.input(type="hidden", name="t", value="mkdir"),
828 T.input(type="hidden", name="when_done", value="."),
829 T.legend(class_="freeform-form-label")["Create a new directory in this directory"],
830 "New directory name:"+SPACE,
831 T.input(type="text", name="name"), SPACE,
832 T.input(type="submit", value="Create"), SPACE*2,
833 mkdir_sdmf, T.label(for_='mutable-directory-sdmf')[" SDMF"], SPACE,
834 mkdir_mdmf, T.label(for_='mutable-directory-mdmf')[" MDMF (experimental)"],
836 forms.append(T.div(class_="freeform-form")[mkdir_form])
838 upload_chk = T.input(type='radio', name='format',
839 value='chk', id='upload-chk',
841 upload_sdmf = T.input(type='radio', name='format',
842 value='sdmf', id='upload-sdmf')
843 upload_mdmf = T.input(type='radio', name='format',
844 value='mdmf', id='upload-mdmf')
846 upload_form = T.form(action=".", method="post",
847 enctype="multipart/form-data")[
849 T.input(type="hidden", name="t", value="upload"),
850 T.input(type="hidden", name="when_done", value="."),
851 T.legend(class_="freeform-form-label")["Upload a file to this directory"],
852 "Choose a file to upload:"+SPACE,
853 T.input(type="file", name="file", class_="freeform-input-file"), SPACE,
854 T.input(type="submit", value="Upload"), SPACE*2,
855 upload_chk, T.label(for_="upload-chk") [" Immutable"], SPACE,
856 upload_sdmf, T.label(for_="upload-sdmf")[" SDMF"], SPACE,
857 upload_mdmf, T.label(for_="upload-mdmf")[" MDMF (experimental)"],
859 forms.append(T.div(class_="freeform-form")[upload_form])
861 attach_form = T.form(action=".", method="post",
862 enctype="multipart/form-data")[
864 T.input(type="hidden", name="t", value="uri"),
865 T.input(type="hidden", name="when_done", value="."),
866 T.legend(class_="freeform-form-label")["Add a link to a file or directory which is already in Tahoe-LAFS."],
867 "New child name:"+SPACE,
868 T.input(type="text", name="name"), SPACE*2,
869 "URI of new child:"+SPACE,
870 T.input(type="text", name="uri"), SPACE,
871 T.input(type="submit", value="Attach"),
873 forms.append(T.div(class_="freeform-form")[attach_form])
876 def render_results(self, ctx, data):
878 return get_arg(req, "results", "")
881 def DirectoryJSONMetadata(ctx, dirnode):
885 for name, (childnode, metadata) in children.iteritems():
886 assert IFilesystemNode.providedBy(childnode), childnode
887 rw_uri = childnode.get_write_uri()
888 ro_uri = childnode.get_readonly_uri()
889 if IFileNode.providedBy(childnode):
890 kiddata = ("filenode", {'size': childnode.get_size(),
891 'mutable': childnode.is_mutable(),
893 if childnode.is_mutable():
894 mutable_type = childnode.get_version()
895 assert mutable_type in (SDMF_VERSION, MDMF_VERSION)
896 if mutable_type == MDMF_VERSION:
902 kiddata[1]['format'] = file_format
904 elif IDirectoryNode.providedBy(childnode):
905 kiddata = ("dirnode", {'mutable': childnode.is_mutable()})
907 kiddata = ("unknown", {})
909 kiddata[1]["metadata"] = metadata
911 kiddata[1]["rw_uri"] = rw_uri
913 kiddata[1]["ro_uri"] = ro_uri
914 verifycap = childnode.get_verify_cap()
916 kiddata[1]['verify_uri'] = verifycap.to_string()
920 drw_uri = dirnode.get_write_uri()
921 dro_uri = dirnode.get_readonly_uri()
922 contents = { 'children': kids }
924 contents['ro_uri'] = dro_uri
926 contents['rw_uri'] = drw_uri
927 verifycap = dirnode.get_verify_cap()
929 contents['verify_uri'] = verifycap.to_string()
930 contents['mutable'] = dirnode.is_mutable()
931 data = ("dirnode", contents)
932 json = simplejson.dumps(data, indent=1) + "\n"
935 d.addCallback(text_plain, ctx)
939 def DirectoryURI(ctx, dirnode):
940 return text_plain(dirnode.get_uri(), ctx)
942 def DirectoryReadonlyURI(ctx, dirnode):
943 return text_plain(dirnode.get_readonly_uri(), ctx)
945 class RenameForm(rend.Page):
947 docFactory = getxmlfile("rename-form.xhtml")
949 def render_title(self, ctx, data):
950 return ctx.tag["Directory SI=%s" % abbreviated_dirnode(self.original)]
952 def render_header(self, ctx, data):
954 "in directory SI=%s" % abbreviated_dirnode(self.original),
957 if self.original.is_readonly():
958 header.append(" (readonly!)")
960 return ctx.tag[header]
962 def render_when_done(self, ctx, data):
963 return T.input(type="hidden", name="when_done", value=".")
965 def render_get_name(self, ctx, data):
967 name = get_arg(req, "name", "")
968 ctx.tag.attributes['value'] = name
971 class ManifestResults(rend.Page, ReloadMixin):
972 docFactory = getxmlfile("manifest.xhtml")
974 def __init__(self, client, monitor):
976 self.monitor = monitor
978 def renderHTTP(self, ctx):
979 req = inevow.IRequest(ctx)
980 output = get_arg(req, "output", "html").lower()
982 return self.text(req)
984 return self.json(req)
985 return rend.Page.renderHTTP(self, ctx)
987 def slashify_path(self, path):
990 return "/".join([p.encode("utf-8") for p in path])
993 req.setHeader("content-type", "text/plain")
995 is_finished = self.monitor.is_finished()
996 lines.append("finished: " + {True: "yes", False: "no"}[is_finished])
997 for (path, cap) in self.monitor.get_status()["manifest"]:
998 lines.append(self.slashify_path(path) + " " + cap)
999 return "\n".join(lines) + "\n"
1001 def json(self, req):
1002 req.setHeader("content-type", "text/plain")
1007 origin_base32 = base32.b2a(m.origin_si)
1010 status = { "stats": s["stats"],
1011 "finished": m.is_finished(),
1012 "origin": origin_base32,
1015 # don't return manifest/verifycaps/SIs unless the operation is
1016 # done, to save on CPU/memory (both here and in the HTTP client
1017 # who has to unpack the JSON). Tests show that the ManifestWalker
1018 # needs about 1092 bytes per item, the JSON we generate here
1019 # requires about 503 bytes per item, and some internal overhead
1020 # (perhaps transport-layer buffers in twisted.web?) requires an
1021 # additional 1047 bytes per item.
1022 status.update({ "manifest": s["manifest"],
1023 "verifycaps": [i for i in s["verifycaps"]],
1024 "storage-index": [i for i in s["storage-index"]],
1026 # simplejson doesn't know how to serialize a set. We use a
1027 # generator that walks the set rather than list(setofthing) to
1028 # save a small amount of memory (4B*len) and a moderate amount of
1030 return simplejson.dumps(status, indent=1)
1032 def _si_abbrev(self):
1033 si = self.monitor.origin_si
1036 return base32.b2a(si)[:6]
1038 def render_title(self, ctx):
1039 return T.title["Manifest of SI=%s" % self._si_abbrev()]
1041 def render_header(self, ctx):
1042 return T.p["Manifest of SI=%s" % self._si_abbrev()]
1044 def data_items(self, ctx, data):
1045 return self.monitor.get_status()["manifest"]
1047 def render_row(self, ctx, (path, cap)):
1048 ctx.fillSlots("path", self.slashify_path(path))
1049 root = get_root(ctx)
1050 # TODO: we need a clean consistent way to get the type of a cap string
1052 if cap.startswith("URI:CHK") or cap.startswith("URI:SSK"):
1053 nameurl = urllib.quote(path[-1].encode("utf-8"))
1054 uri_link = "%s/file/%s/@@named=/%s" % (root, urllib.quote(cap),
1057 uri_link = "%s/uri/%s" % (root, urllib.quote(cap, safe=""))
1058 ctx.fillSlots("cap", T.a(href=uri_link)[cap])
1060 ctx.fillSlots("cap", "")
1063 class DeepSizeResults(rend.Page):
1064 def __init__(self, client, monitor):
1065 self.client = client
1066 self.monitor = monitor
1068 def renderHTTP(self, ctx):
1069 req = inevow.IRequest(ctx)
1070 output = get_arg(req, "output", "html").lower()
1071 req.setHeader("content-type", "text/plain")
1072 if output == "json":
1073 return self.json(req)
1075 is_finished = self.monitor.is_finished()
1076 output = "finished: " + {True: "yes", False: "no"}[is_finished] + "\n"
1078 stats = self.monitor.get_status()
1079 total = (stats.get("size-immutable-files", 0)
1080 + stats.get("size-mutable-files", 0)
1081 + stats.get("size-directories", 0))
1082 output += "size: %d\n" % total
1085 def json(self, req):
1086 status = {"finished": self.monitor.is_finished(),
1087 "size": self.monitor.get_status(),
1089 return simplejson.dumps(status)
1091 class DeepStatsResults(rend.Page):
1092 def __init__(self, client, monitor):
1093 self.client = client
1094 self.monitor = monitor
1096 def renderHTTP(self, ctx):
1098 inevow.IRequest(ctx).setHeader("content-type", "text/plain")
1099 s = self.monitor.get_status().copy()
1100 s["finished"] = self.monitor.is_finished()
1101 return simplejson.dumps(s, indent=1)
1103 class ManifestStreamer(dirnode.DeepStats):
1104 implements(IPushProducer)
1106 def __init__(self, ctx, origin):
1107 dirnode.DeepStats.__init__(self, origin)
1108 self.req = IRequest(ctx)
1110 def setMonitor(self, monitor):
1111 self.monitor = monitor
1112 def pauseProducing(self):
1114 def resumeProducing(self):
1116 def stopProducing(self):
1117 self.monitor.cancel()
1119 def add_node(self, node, path):
1120 dirnode.DeepStats.add_node(self, node, path)
1122 "cap": node.get_uri()}
1124 if IDirectoryNode.providedBy(node):
1125 d["type"] = "directory"
1126 elif IFileNode.providedBy(node):
1129 d["type"] = "unknown"
1131 v = node.get_verify_cap()
1134 d["verifycap"] = v or ""
1136 r = node.get_repair_cap()
1139 d["repaircap"] = r or ""
1141 si = node.get_storage_index()
1144 d["storage-index"] = si or ""
1146 j = simplejson.dumps(d, ensure_ascii=True)
1147 assert "\n" not in j
1148 self.req.write(j+"\n")
1151 stats = dirnode.DeepStats.get_results(self)
1152 d = {"type": "stats",
1155 j = simplejson.dumps(d, ensure_ascii=True)
1156 assert "\n" not in j
1157 self.req.write(j+"\n")
1160 class DeepCheckStreamer(dirnode.DeepStats):
1161 implements(IPushProducer)
1163 def __init__(self, ctx, origin, verify, repair, add_lease):
1164 dirnode.DeepStats.__init__(self, origin)
1165 self.req = IRequest(ctx)
1166 self.verify = verify
1167 self.repair = repair
1168 self.add_lease = add_lease
1170 def setMonitor(self, monitor):
1171 self.monitor = monitor
1172 def pauseProducing(self):
1174 def resumeProducing(self):
1176 def stopProducing(self):
1177 self.monitor.cancel()
1179 def add_node(self, node, path):
1180 dirnode.DeepStats.add_node(self, node, path)
1181 data = {"path": path,
1182 "cap": node.get_uri()}
1184 if IDirectoryNode.providedBy(node):
1185 data["type"] = "directory"
1186 elif IFileNode.providedBy(node):
1187 data["type"] = "file"
1189 data["type"] = "unknown"
1191 v = node.get_verify_cap()
1194 data["verifycap"] = v or ""
1196 r = node.get_repair_cap()
1199 data["repaircap"] = r or ""
1201 si = node.get_storage_index()
1204 data["storage-index"] = si or ""
1207 d = node.check_and_repair(self.monitor, self.verify, self.add_lease)
1208 d.addCallback(self.add_check_and_repair, data)
1210 d = node.check(self.monitor, self.verify, self.add_lease)
1211 d.addCallback(self.add_check, data)
1212 d.addCallback(self.write_line)
1215 def add_check_and_repair(self, crr, data):
1216 data["check-and-repair-results"] = json_check_and_repair_results(crr)
1219 def add_check(self, cr, data):
1220 data["check-results"] = json_check_results(cr)
1223 def write_line(self, data):
1224 j = simplejson.dumps(data, ensure_ascii=True)
1225 assert "\n" not in j
1226 self.req.write(j+"\n")
1229 stats = dirnode.DeepStats.get_results(self)
1230 d = {"type": "stats",
1233 j = simplejson.dumps(d, ensure_ascii=True)
1234 assert "\n" not in j
1235 self.req.write(j+"\n")
1239 class UnknownNodeHandler(RenderMixin, rend.Page):
1240 def __init__(self, client, node, parentnode=None, name=None):
1241 rend.Page.__init__(self)
1244 self.parentnode = parentnode
1247 def render_GET(self, ctx):
1249 t = get_arg(req, "t", "").strip()
1251 return MoreInfo(self.node)
1253 is_parent_known_immutable = self.parentnode and not self.parentnode.is_mutable()
1254 if self.parentnode and self.name:
1255 d = self.parentnode.get_metadata_for(self.name)
1257 d = defer.succeed(None)
1258 d.addCallback(lambda md: UnknownJSONMetadata(ctx, self.node, md, is_parent_known_immutable))
1260 raise WebError("GET unknown URI type: can only do t=info and t=json, not t=%s.\n"
1261 "Using a webapi server that supports a later version of Tahoe "
1264 def UnknownJSONMetadata(ctx, node, edge_metadata, is_parent_known_immutable):
1265 rw_uri = node.get_write_uri()
1266 ro_uri = node.get_readonly_uri()
1267 data = ("unknown", {})
1269 data[1]['ro_uri'] = ro_uri
1271 data[1]['rw_uri'] = rw_uri
1272 data[1]['mutable'] = True
1273 elif is_parent_known_immutable or node.is_alleged_immutable():
1274 data[1]['mutable'] = False
1275 # else we don't know whether it is mutable.
1277 if edge_metadata is not None:
1278 data[1]['metadata'] = edge_metadata
1279 return text_plain(simplejson.dumps(data, indent=1) + "\n", ctx)