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 # t=info contains variable ophandles, t=rename-form contains the name
158 # of the child being renamed. Neither is allowed an ETag.
159 FIXED_OUTPUT_TYPES = ["", "json", "uri", "readonly-uri"]
160 if not self.node.is_mutable() and t in FIXED_OUTPUT_TYPES:
161 si = self.node.get_storage_index()
162 if si and req.setETag('DIR:%s-%s' % (base32.b2a(si), t or "")):
166 # render the directory as HTML, using the docFactory and Nevow's
167 # whole templating thing.
168 return DirectoryAsHTML(self.node,
169 self.client.mutable_file_default)
172 return DirectoryJSONMetadata(ctx, self.node)
174 return MoreInfo(self.node)
176 return DirectoryURI(ctx, self.node)
177 if t == "readonly-uri":
178 return DirectoryReadonlyURI(ctx, self.node)
179 if t == 'rename-form':
180 return RenameForm(self.node)
182 raise WebError("GET directory: bad t=%s" % t)
184 def render_PUT(self, ctx):
186 t = get_arg(req, "t", "").strip()
187 replace = parse_replace_arg(get_arg(req, "replace", "true"))
190 # our job was done by the traversal/create-intermediate-directory
191 # process that got us here.
192 return text_plain(self.node.get_uri(), ctx) # TODO: urlencode
195 # they're trying to set_uri and that name is already occupied
197 raise ExistingChildError()
198 d = self.replace_me_with_a_childcap(req, self.client, replace)
202 raise WebError("PUT to a directory")
204 def render_POST(self, ctx):
206 t = get_arg(req, "t", "").strip()
209 d = self._POST_mkdir(req)
210 elif t == "mkdir-with-children":
211 d = self._POST_mkdir_with_children(req)
212 elif t == "mkdir-immutable":
213 d = self._POST_mkdir_immutable(req)
215 d = self._POST_upload(ctx) # this one needs the context
217 d = self._POST_uri(req)
218 elif t == "delete" or t == "unlink":
219 d = self._POST_unlink(req)
221 d = self._POST_rename(req)
223 d = self._POST_move(req)
225 d = self._POST_check(req)
226 elif t == "start-deep-check":
227 d = self._POST_start_deep_check(ctx)
228 elif t == "stream-deep-check":
229 d = self._POST_stream_deep_check(ctx)
230 elif t == "start-manifest":
231 d = self._POST_start_manifest(ctx)
232 elif t == "start-deep-size":
233 d = self._POST_start_deep_size(ctx)
234 elif t == "start-deep-stats":
235 d = self._POST_start_deep_stats(ctx)
236 elif t == "stream-manifest":
237 d = self._POST_stream_manifest(ctx)
238 elif t == "set_children" or t == "set-children":
239 d = self._POST_set_children(req)
241 raise WebError("POST to a directory with bad t=%s" % t)
243 when_done = get_arg(req, "when_done", None)
245 d.addCallback(lambda res: url.URL.fromString(when_done))
248 def _POST_mkdir(self, req):
249 name = get_arg(req, "name", "")
251 # our job is done, it was handled by the code in got_child
252 # which created the final directory (i.e. us)
253 return defer.succeed(self.node.get_uri()) # TODO: urlencode
254 name = name.decode("utf-8")
255 replace = boolean_of_arg(get_arg(req, "replace", "true"))
257 mt = get_mutable_type(get_format(req, None))
258 d = self.node.create_subdirectory(name, kids, overwrite=replace,
260 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
263 def _POST_mkdir_with_children(self, req):
264 name = get_arg(req, "name", "")
266 # our job is done, it was handled by the code in got_child
267 # which created the final directory (i.e. us)
268 return defer.succeed(self.node.get_uri()) # TODO: urlencode
269 name = name.decode("utf-8")
270 # TODO: decide on replace= behavior, see #903
271 #replace = boolean_of_arg(get_arg(req, "replace", "false"))
273 kids_json = req.content.read()
274 kids = convert_children_json(self.client.nodemaker, kids_json)
275 mt = get_mutable_type(get_format(req, None))
276 d = self.node.create_subdirectory(name, kids, overwrite=False,
278 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
281 def _POST_mkdir_immutable(self, req):
282 name = get_arg(req, "name", "")
284 # our job is done, it was handled by the code in got_child
285 # which created the final directory (i.e. us)
286 return defer.succeed(self.node.get_uri()) # TODO: urlencode
287 name = name.decode("utf-8")
288 # TODO: decide on replace= behavior, see #903
289 #replace = boolean_of_arg(get_arg(req, "replace", "false"))
291 kids_json = req.content.read()
292 kids = convert_children_json(self.client.nodemaker, kids_json)
293 d = self.node.create_subdirectory(name, kids, overwrite=False, mutable=False)
294 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
297 def _POST_upload(self, ctx):
299 charset = get_arg(req, "_charset", "utf-8")
300 contents = req.fields["file"]
301 assert contents.filename is None or isinstance(contents.filename, str)
302 name = get_arg(req, "name")
303 name = name or contents.filename
307 # this prohibts empty, missing, and all-whitespace filenames
308 raise WebError("upload requires a name")
309 assert isinstance(name, str)
310 name = name.decode(charset)
312 raise WebError("name= may not contain a slash", http.BAD_REQUEST)
313 assert isinstance(name, unicode)
315 # since POST /uri/path/file?t=upload is equivalent to
316 # POST /uri/path/dir?t=upload&name=foo, just do the same thing that
317 # childFactory would do. Things are cleaner if we only do a subset of
318 # them, though, so we don't do: d = self.childFactory(ctx, name)
320 d = self.node.get(name)
321 def _maybe_got_node(node_or_failure):
322 if isinstance(node_or_failure, Failure):
324 f.trap(NoSuchChildError)
325 # create a placeholder which will see POST t=upload
326 return PlaceHolderNodeHandler(self.client, self.node, name)
328 node = node_or_failure
329 return make_handler_for(node, self.client, self.node, name)
330 d.addBoth(_maybe_got_node)
331 # now we have a placeholder or a filenodehandler, and we can just
332 # delegate to it. We could return the resource back out of
333 # DirectoryNodeHandler.renderHTTP, and nevow would recurse into it,
334 # but the addCallback() that handles when_done= would break.
335 d.addCallback(lambda child: child.renderHTTP(ctx))
338 def _POST_uri(self, req):
339 childcap = get_arg(req, "uri")
341 raise WebError("set-uri requires a uri")
342 name = get_arg(req, "name")
344 raise WebError("set-uri requires a name")
345 charset = get_arg(req, "_charset", "utf-8")
346 name = name.decode(charset)
347 replace = boolean_of_arg(get_arg(req, "replace", "true"))
349 # We mustn't pass childcap for the readcap argument because we don't
350 # know whether it is a read cap. Passing a read cap as the writecap
351 # argument will work (it ends up calling NodeMaker.create_from_cap,
352 # which derives a readcap if necessary and possible).
353 d = self.node.set_uri(name, childcap, None, overwrite=replace)
354 d.addCallback(lambda res: childcap)
357 def _POST_unlink(self, req):
358 name = get_arg(req, "name")
360 # apparently an <input type="hidden" name="name" value="">
361 # won't show up in the resulting encoded form.. the 'name'
362 # field is completely missing. So to allow unlinking of a
363 # child with a name that is the empty string, we have to
364 # pretend that None means ''. The only downside of this is
365 # a slightly confusing error message if someone does a POST
366 # without a name= field. For our own HTML this isn't a big
367 # deal, because we create the 'unlink' POST buttons ourselves.
369 charset = get_arg(req, "_charset", "utf-8")
370 name = name.decode(charset)
371 d = self.node.delete(name)
372 d.addCallback(lambda res: "thing unlinked")
375 def _POST_rename(self, req):
376 charset = get_arg(req, "_charset", "utf-8")
377 from_name = get_arg(req, "from_name")
378 if from_name is not None:
379 from_name = from_name.strip()
380 from_name = from_name.decode(charset)
381 assert isinstance(from_name, unicode)
382 to_name = get_arg(req, "to_name")
383 if to_name is not None:
384 to_name = to_name.strip()
385 to_name = to_name.decode(charset)
386 assert isinstance(to_name, unicode)
387 if not from_name or not to_name:
388 raise WebError("rename requires from_name and to_name")
389 if from_name == to_name:
390 return defer.succeed("redundant rename")
392 # allow from_name to contain slashes, so they can fix names that were
393 # accidentally created with them. But disallow them in to_name, to
394 # discourage the practice.
396 raise WebError("to_name= may not contain a slash", http.BAD_REQUEST)
398 replace = boolean_of_arg(get_arg(req, "replace", "true"))
399 d = self.node.move_child_to(from_name, self.node, to_name, replace)
400 d.addCallback(lambda res: "thing renamed")
403 def _POST_move(self, req):
404 charset = get_arg(req, "_charset", "utf-8")
405 from_name = get_arg(req, "from_name")
406 if from_name is not None:
407 from_name = from_name.strip()
408 from_name = from_name.decode(charset)
409 assert isinstance(from_name, unicode)
410 to_name = get_arg(req, "to_name")
411 if to_name is not None:
412 to_name = to_name.strip()
413 to_name = to_name.decode(charset)
414 assert isinstance(to_name, unicode)
417 to_dir = get_arg(req, "to_dir")
418 if to_dir is not None:
419 to_dir = to_dir.strip()
420 to_dir = to_dir.decode(charset)
421 assert isinstance(to_dir, unicode)
422 if not from_name or not to_dir:
423 raise WebError("move requires from_name and to_dir")
424 replace = boolean_of_arg(get_arg(req, "replace", "true"))
426 # Disallow slashes in both from_name and to_name, that would only
427 # cause confusion. t=move is only for moving things from the
428 # *current* directory into a second directory named by to_dir=
430 raise WebError("from_name= may not contain a slash",
433 raise WebError("to_name= may not contain a slash",
436 target_type = get_arg(req, "target_type", "name")
437 if target_type == "name":
438 d = self.node.get_child_at_path(to_dir)
439 elif target_type == "uri":
440 d = defer.succeed(self.client.create_node_from_uri(str(to_dir)))
442 raise WebError("invalid target_type parameter", http.BAD_REQUEST)
444 def is_target_node_usable(target_node):
445 if not IDirectoryNode.providedBy(target_node):
446 raise WebError("to_dir is not a directory", http.BAD_REQUEST)
448 d.addCallback(is_target_node_usable)
449 d.addCallback(lambda new_parent:
450 self.node.move_child_to(from_name, new_parent,
452 d.addCallback(lambda res: "thing moved")
455 def _maybe_literal(self, res, Results_Class):
457 return Results_Class(self.client, res)
458 return LiteralCheckResultsRenderer(self.client)
460 def _POST_check(self, req):
461 # check this directory
462 verify = boolean_of_arg(get_arg(req, "verify", "false"))
463 repair = boolean_of_arg(get_arg(req, "repair", "false"))
464 add_lease = boolean_of_arg(get_arg(req, "add-lease", "false"))
466 d = self.node.check_and_repair(Monitor(), verify, add_lease)
467 d.addCallback(self._maybe_literal, CheckAndRepairResultsRenderer)
469 d = self.node.check(Monitor(), verify, add_lease)
470 d.addCallback(self._maybe_literal, CheckResultsRenderer)
473 def _start_operation(self, monitor, renderer, ctx):
474 table = IOpHandleTable(ctx)
475 table.add_monitor(ctx, monitor, renderer)
476 return table.redirect_to(ctx)
478 def _POST_start_deep_check(self, ctx):
479 # check this directory and everything reachable from it
480 if not get_arg(ctx, "ophandle"):
481 raise NeedOperationHandleError("slow operation requires ophandle=")
482 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
483 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
484 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
486 monitor = self.node.start_deep_check_and_repair(verify, add_lease)
487 renderer = DeepCheckAndRepairResultsRenderer(self.client, monitor)
489 monitor = self.node.start_deep_check(verify, add_lease)
490 renderer = DeepCheckResultsRenderer(self.client, monitor)
491 return self._start_operation(monitor, renderer, ctx)
493 def _POST_stream_deep_check(self, ctx):
494 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
495 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
496 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
497 walker = DeepCheckStreamer(ctx, self.node, verify, repair, add_lease)
498 monitor = self.node.deep_traverse(walker)
499 walker.setMonitor(monitor)
500 # register to hear stopProducing. The walker ignores pauseProducing.
501 IRequest(ctx).registerProducer(walker, True)
502 d = monitor.when_done()
504 IRequest(ctx).unregisterProducer()
508 f.trap(OperationCancelledError)
509 return "Operation Cancelled"
510 d.addErrback(_cancelled)
512 # signal the error as a non-JSON "ERROR:" line, plus exception
513 msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__,
514 ", ".join([str(a) for a in f.value.args]))
520 def _POST_start_manifest(self, ctx):
521 if not get_arg(ctx, "ophandle"):
522 raise NeedOperationHandleError("slow operation requires ophandle=")
523 monitor = self.node.build_manifest()
524 renderer = ManifestResults(self.client, monitor)
525 return self._start_operation(monitor, renderer, ctx)
527 def _POST_start_deep_size(self, ctx):
528 if not get_arg(ctx, "ophandle"):
529 raise NeedOperationHandleError("slow operation requires ophandle=")
530 monitor = self.node.start_deep_stats()
531 renderer = DeepSizeResults(self.client, monitor)
532 return self._start_operation(monitor, renderer, ctx)
534 def _POST_start_deep_stats(self, ctx):
535 if not get_arg(ctx, "ophandle"):
536 raise NeedOperationHandleError("slow operation requires ophandle=")
537 monitor = self.node.start_deep_stats()
538 renderer = DeepStatsResults(self.client, monitor)
539 return self._start_operation(monitor, renderer, ctx)
541 def _POST_stream_manifest(self, ctx):
542 walker = ManifestStreamer(ctx, self.node)
543 monitor = self.node.deep_traverse(walker)
544 walker.setMonitor(monitor)
545 # register to hear stopProducing. The walker ignores pauseProducing.
546 IRequest(ctx).registerProducer(walker, True)
547 d = monitor.when_done()
549 IRequest(ctx).unregisterProducer()
553 f.trap(OperationCancelledError)
554 return "Operation Cancelled"
555 d.addErrback(_cancelled)
557 # signal the error as a non-JSON "ERROR:" line, plus exception
558 msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__,
559 ", ".join([str(a) for a in f.value.args]))
565 def _POST_set_children(self, req):
566 replace = boolean_of_arg(get_arg(req, "replace", "true"))
568 body = req.content.read()
570 children = simplejson.loads(body)
571 except ValueError, le:
572 le.args = tuple(le.args + (body,))
573 # TODO test handling of bad JSON
576 for name, (file_or_dir, mddict) in children.iteritems():
577 name = unicode(name) # simplejson-2.0.1 returns str *or* unicode
578 writecap = mddict.get('rw_uri')
579 if writecap is not None:
580 writecap = str(writecap)
581 readcap = mddict.get('ro_uri')
582 if readcap is not None:
583 readcap = str(readcap)
584 cs[name] = (writecap, readcap, mddict.get('metadata'))
585 d = self.node.set_children(cs, replace)
586 d.addCallback(lambda res: "Okay so I did it.")
590 def abbreviated_dirnode(dirnode):
591 u = from_string_dirnode(dirnode.get_uri())
596 class DirectoryAsHTML(rend.Page):
597 # The remainder of this class is to render the directory into
598 # human+browser -oriented HTML.
599 docFactory = getxmlfile("directory.xhtml")
602 def __init__(self, node, default_mutable_format):
603 rend.Page.__init__(self)
606 assert default_mutable_format in (MDMF_VERSION, SDMF_VERSION)
607 self.default_mutable_format = default_mutable_format
609 def beforeRender(self, ctx):
610 # attempt to get the dirnode's children, stashing them (or the
611 # failure that results) for later use
614 # Deferreds don't optimize out tail recursion, and the way
615 # Nevow's flattener handles Deferreds doesn't take this into
616 # account. As a result, large lists of Deferreds that fire in the
617 # same turn (i.e. the output of defer.succeed) will cause a stack
618 # overflow. To work around this, we insert a turn break after
619 # every 100 items, using foolscap's fireEventually(). This gives
620 # the stack a chance to be popped. It would also work to put
621 # every item in its own turn, but that'd be a lot more
622 # inefficient. This addresses ticket #237, for which I was never
623 # able to create a failing unit test.
625 for i,item in enumerate(sorted(children.items())):
627 output.append(fireEventually(item))
630 self.dirnode_children = output
633 text, code = humanize_failure(f)
634 self.dirnode_children = None
635 self.dirnode_children_error = text
637 d.addCallbacks(_good, _bad)
640 def render_title(self, ctx, data):
641 si_s = abbreviated_dirnode(self.node)
642 header = ["Tahoe-LAFS - Directory SI=%s" % si_s]
643 if self.node.is_unknown():
644 header.append(" (unknown)")
645 elif not self.node.is_mutable():
646 header.append(" (immutable)")
647 elif self.node.is_readonly():
648 header.append(" (read-only)")
650 header.append(" (modifiable)")
651 return ctx.tag[header]
653 def render_header(self, ctx, data):
654 si_s = abbreviated_dirnode(self.node)
655 header = ["Tahoe-LAFS Directory SI=", T.span(class_="data-chars")[si_s]]
656 if self.node.is_unknown():
657 header.append(" (unknown)")
658 elif not self.node.is_mutable():
659 header.append(" (immutable)")
660 elif self.node.is_readonly():
661 header.append(" (read-only)")
662 return ctx.tag[header]
664 def render_welcome(self, ctx, data):
666 return ctx.tag[T.a(href=link)["Return to Welcome page"]]
668 def render_show_readonly(self, ctx, data):
669 if self.node.is_unknown() or self.node.is_readonly():
671 rocap = self.node.get_readonly_uri()
673 uri_link = "%s/uri/%s/" % (root, urllib.quote(rocap))
674 return ctx.tag[T.a(href=uri_link)["Read-Only Version"]]
676 def render_try_children(self, ctx, data):
677 # if the dirnode can be retrived, render a table of children.
678 # Otherwise, render an apologetic error message.
679 if self.dirnode_children is not None:
682 return T.div[T.p["Error reading directory:"],
683 T.p[self.dirnode_children_error]]
685 def data_children(self, ctx, data):
686 return self.dirnode_children
688 def render_row(self, ctx, data):
689 name, (target, metadata) = data
690 name = name.encode("utf-8")
691 assert not isinstance(name, unicode)
692 nameurl = urllib.quote(name, safe="") # encode any slashes too
695 here = "%s/uri/%s/" % (root, urllib.quote(self.node.get_uri()))
696 if self.node.is_unknown() or self.node.is_readonly():
700 # this creates a button which will cause our _POST_unlink method
701 # to be invoked, which unlinks the file and then redirects the
702 # browser back to this directory
703 unlink = T.form(action=here, method="post")[
704 T.input(type='hidden', name='t', value='unlink'),
705 T.input(type='hidden', name='name', value=name),
706 T.input(type='hidden', name='when_done', value="."),
707 T.input(type='submit', value='unlink', name="unlink"),
710 rename = T.form(action=here, method="get")[
711 T.input(type='hidden', name='t', value='rename-form'),
712 T.input(type='hidden', name='name', value=name),
713 T.input(type='hidden', name='when_done', value="."),
714 T.input(type='submit', value='rename/move', name="rename"),
717 ctx.fillSlots("unlink", unlink)
718 ctx.fillSlots("rename", rename)
721 linkcrtime = metadata.get('tahoe', {}).get("linkcrtime")
722 if linkcrtime is not None:
723 times.append("lcr: " + time_format.iso_local(linkcrtime))
725 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
726 if "ctime" in metadata:
727 ctime = time_format.iso_local(metadata["ctime"])
728 times.append("c: " + ctime)
729 linkmotime = metadata.get('tahoe', {}).get("linkmotime")
730 if linkmotime is not None:
733 times.append("lmo: " + time_format.iso_local(linkmotime))
735 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
736 if "mtime" in metadata:
737 mtime = time_format.iso_local(metadata["mtime"])
740 times.append("m: " + mtime)
741 ctx.fillSlots("times", times)
743 assert IFilesystemNode.providedBy(target), target
744 target_uri = target.get_uri() or ""
745 quoted_uri = urllib.quote(target_uri, safe="") # escape slashes too
747 if IMutableFileNode.providedBy(target):
748 # to prevent javascript in displayed .html files from stealing a
749 # secret directory URI from the URL, send the browser to a URI-based
750 # page that doesn't know about the directory at all
751 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
753 ctx.fillSlots("filename",
754 T.a(href=dlurl)[html.escape(name)])
755 ctx.fillSlots("type", "SSK")
757 ctx.fillSlots("size", "?")
759 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
761 elif IImmutableFileNode.providedBy(target):
762 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
764 ctx.fillSlots("filename",
765 T.a(href=dlurl)[html.escape(name)])
766 ctx.fillSlots("type", "FILE")
768 ctx.fillSlots("size", target.get_size())
770 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
772 elif IDirectoryNode.providedBy(target):
774 uri_link = "%s/uri/%s/" % (root, urllib.quote(target_uri))
775 ctx.fillSlots("filename",
776 T.a(href=uri_link)[html.escape(name)])
777 if not target.is_mutable():
779 elif target.is_readonly():
783 ctx.fillSlots("type", dirtype)
784 ctx.fillSlots("size", "-")
785 info_link = "%s/uri/%s/?t=info" % (root, quoted_uri)
787 elif isinstance(target, ProhibitedNode):
788 ctx.fillSlots("filename", T.strike[name])
789 if IDirectoryNode.providedBy(target.wrapped_node):
790 blacklisted_type = "DIR-BLACKLISTED"
792 blacklisted_type = "BLACKLISTED"
793 ctx.fillSlots("type", blacklisted_type)
794 ctx.fillSlots("size", "-")
796 ctx.fillSlots("info", ["Access Prohibited:", T.br, target.reason])
800 ctx.fillSlots("filename", html.escape(name))
801 if target.get_write_uri() is not None:
803 elif not self.node.is_mutable() or target.is_alleged_immutable():
804 unknowntype = "?-IMM"
807 ctx.fillSlots("type", unknowntype)
808 ctx.fillSlots("size", "-")
809 # use a directory-relative info link, so we can extract both the
810 # writecap and the readcap
811 info_link = "%s?t=info" % urllib.quote(name)
814 ctx.fillSlots("info", T.a(href=info_link)["More Info"])
818 # XXX: similar to render_upload_form and render_mkdir_form in root.py.
819 def render_forms(self, ctx, data):
822 if self.node.is_readonly():
823 return T.div["No upload forms: directory is read-only"]
824 if self.dirnode_children is None:
825 return T.div["No upload forms: directory is unreadable"]
827 mkdir_sdmf = T.input(type='radio', name='format',
828 value='sdmf', id='mkdir-sdmf',
830 mkdir_mdmf = T.input(type='radio', name='format',
831 value='mdmf', id='mkdir-mdmf')
833 mkdir_form = T.form(action=".", method="post",
834 enctype="multipart/form-data")[
836 T.input(type="hidden", name="t", value="mkdir"),
837 T.input(type="hidden", name="when_done", value="."),
838 T.legend(class_="freeform-form-label")["Create a new directory in this directory"],
839 "New directory name:"+SPACE,
840 T.input(type="text", name="name"), SPACE,
841 T.input(type="submit", value="Create"), SPACE*2,
842 mkdir_sdmf, T.label(for_='mutable-directory-sdmf')[" SDMF"], SPACE,
843 mkdir_mdmf, T.label(for_='mutable-directory-mdmf')[" MDMF (experimental)"],
845 forms.append(T.div(class_="freeform-form")[mkdir_form])
847 upload_chk = T.input(type='radio', name='format',
848 value='chk', id='upload-chk',
850 upload_sdmf = T.input(type='radio', name='format',
851 value='sdmf', id='upload-sdmf')
852 upload_mdmf = T.input(type='radio', name='format',
853 value='mdmf', id='upload-mdmf')
855 upload_form = T.form(action=".", method="post",
856 enctype="multipart/form-data")[
858 T.input(type="hidden", name="t", value="upload"),
859 T.input(type="hidden", name="when_done", value="."),
860 T.legend(class_="freeform-form-label")["Upload a file to this directory"],
861 "Choose a file to upload:"+SPACE,
862 T.input(type="file", name="file", class_="freeform-input-file"), SPACE,
863 T.input(type="submit", value="Upload"), SPACE*2,
864 upload_chk, T.label(for_="upload-chk") [" Immutable"], SPACE,
865 upload_sdmf, T.label(for_="upload-sdmf")[" SDMF"], SPACE,
866 upload_mdmf, T.label(for_="upload-mdmf")[" MDMF (experimental)"],
868 forms.append(T.div(class_="freeform-form")[upload_form])
870 attach_form = T.form(action=".", method="post",
871 enctype="multipart/form-data")[
873 T.input(type="hidden", name="t", value="uri"),
874 T.input(type="hidden", name="when_done", value="."),
875 T.legend(class_="freeform-form-label")["Add a link to a file or directory which is already in Tahoe-LAFS."],
876 "New child name:"+SPACE,
877 T.input(type="text", name="name"), SPACE*2,
878 "URI of new child:"+SPACE,
879 T.input(type="text", name="uri"), SPACE,
880 T.input(type="submit", value="Attach"),
882 forms.append(T.div(class_="freeform-form")[attach_form])
885 def render_results(self, ctx, data):
887 return get_arg(req, "results", "")
890 def DirectoryJSONMetadata(ctx, dirnode):
894 for name, (childnode, metadata) in children.iteritems():
895 assert IFilesystemNode.providedBy(childnode), childnode
896 rw_uri = childnode.get_write_uri()
897 ro_uri = childnode.get_readonly_uri()
898 if IFileNode.providedBy(childnode):
899 kiddata = ("filenode", {'size': childnode.get_size(),
900 'mutable': childnode.is_mutable(),
902 if childnode.is_mutable():
903 mutable_type = childnode.get_version()
904 assert mutable_type in (SDMF_VERSION, MDMF_VERSION)
905 if mutable_type == MDMF_VERSION:
911 kiddata[1]['format'] = file_format
913 elif IDirectoryNode.providedBy(childnode):
914 kiddata = ("dirnode", {'mutable': childnode.is_mutable()})
916 kiddata = ("unknown", {})
918 kiddata[1]["metadata"] = metadata
920 kiddata[1]["rw_uri"] = rw_uri
922 kiddata[1]["ro_uri"] = ro_uri
923 verifycap = childnode.get_verify_cap()
925 kiddata[1]['verify_uri'] = verifycap.to_string()
929 drw_uri = dirnode.get_write_uri()
930 dro_uri = dirnode.get_readonly_uri()
931 contents = { 'children': kids }
933 contents['ro_uri'] = dro_uri
935 contents['rw_uri'] = drw_uri
936 verifycap = dirnode.get_verify_cap()
938 contents['verify_uri'] = verifycap.to_string()
939 contents['mutable'] = dirnode.is_mutable()
940 data = ("dirnode", contents)
941 json = simplejson.dumps(data, indent=1) + "\n"
944 d.addCallback(text_plain, ctx)
948 def DirectoryURI(ctx, dirnode):
949 return text_plain(dirnode.get_uri(), ctx)
951 def DirectoryReadonlyURI(ctx, dirnode):
952 return text_plain(dirnode.get_readonly_uri(), ctx)
954 class RenameForm(rend.Page):
956 docFactory = getxmlfile("rename-form.xhtml")
958 def render_title(self, ctx, data):
959 return ctx.tag["Directory SI=%s" % abbreviated_dirnode(self.original)]
961 def render_header(self, ctx, data):
963 "in directory SI=%s" % abbreviated_dirnode(self.original),
966 if self.original.is_readonly():
967 header.append(" (readonly!)")
969 return ctx.tag[header]
971 def render_when_done(self, ctx, data):
972 return T.input(type="hidden", name="when_done", value=".")
974 def render_get_name(self, ctx, data):
976 name = get_arg(req, "name", "")
977 ctx.tag.attributes['value'] = name
980 class ManifestResults(rend.Page, ReloadMixin):
981 docFactory = getxmlfile("manifest.xhtml")
983 def __init__(self, client, monitor):
985 self.monitor = monitor
987 def renderHTTP(self, ctx):
988 req = inevow.IRequest(ctx)
989 output = get_arg(req, "output", "html").lower()
991 return self.text(req)
993 return self.json(req)
994 return rend.Page.renderHTTP(self, ctx)
996 def slashify_path(self, path):
999 return "/".join([p.encode("utf-8") for p in path])
1001 def text(self, req):
1002 req.setHeader("content-type", "text/plain")
1004 is_finished = self.monitor.is_finished()
1005 lines.append("finished: " + {True: "yes", False: "no"}[is_finished])
1006 for (path, cap) in self.monitor.get_status()["manifest"]:
1007 lines.append(self.slashify_path(path) + " " + cap)
1008 return "\n".join(lines) + "\n"
1010 def json(self, req):
1011 req.setHeader("content-type", "text/plain")
1016 origin_base32 = base32.b2a(m.origin_si)
1019 status = { "stats": s["stats"],
1020 "finished": m.is_finished(),
1021 "origin": origin_base32,
1024 # don't return manifest/verifycaps/SIs unless the operation is
1025 # done, to save on CPU/memory (both here and in the HTTP client
1026 # who has to unpack the JSON). Tests show that the ManifestWalker
1027 # needs about 1092 bytes per item, the JSON we generate here
1028 # requires about 503 bytes per item, and some internal overhead
1029 # (perhaps transport-layer buffers in twisted.web?) requires an
1030 # additional 1047 bytes per item.
1031 status.update({ "manifest": s["manifest"],
1032 "verifycaps": [i for i in s["verifycaps"]],
1033 "storage-index": [i for i in s["storage-index"]],
1035 # simplejson doesn't know how to serialize a set. We use a
1036 # generator that walks the set rather than list(setofthing) to
1037 # save a small amount of memory (4B*len) and a moderate amount of
1039 return simplejson.dumps(status, indent=1)
1041 def _si_abbrev(self):
1042 si = self.monitor.origin_si
1045 return base32.b2a(si)[:6]
1047 def render_title(self, ctx):
1048 return T.title["Manifest of SI=%s" % self._si_abbrev()]
1050 def render_header(self, ctx):
1051 return T.p["Manifest of SI=%s" % self._si_abbrev()]
1053 def data_items(self, ctx, data):
1054 return self.monitor.get_status()["manifest"]
1056 def render_row(self, ctx, (path, cap)):
1057 ctx.fillSlots("path", self.slashify_path(path))
1058 root = get_root(ctx)
1059 # TODO: we need a clean consistent way to get the type of a cap string
1061 if cap.startswith("URI:CHK") or cap.startswith("URI:SSK"):
1062 nameurl = urllib.quote(path[-1].encode("utf-8"))
1063 uri_link = "%s/file/%s/@@named=/%s" % (root, urllib.quote(cap),
1066 uri_link = "%s/uri/%s" % (root, urllib.quote(cap, safe=""))
1067 ctx.fillSlots("cap", T.a(href=uri_link)[cap])
1069 ctx.fillSlots("cap", "")
1072 class DeepSizeResults(rend.Page):
1073 def __init__(self, client, monitor):
1074 self.client = client
1075 self.monitor = monitor
1077 def renderHTTP(self, ctx):
1078 req = inevow.IRequest(ctx)
1079 output = get_arg(req, "output", "html").lower()
1080 req.setHeader("content-type", "text/plain")
1081 if output == "json":
1082 return self.json(req)
1084 is_finished = self.monitor.is_finished()
1085 output = "finished: " + {True: "yes", False: "no"}[is_finished] + "\n"
1087 stats = self.monitor.get_status()
1088 total = (stats.get("size-immutable-files", 0)
1089 + stats.get("size-mutable-files", 0)
1090 + stats.get("size-directories", 0))
1091 output += "size: %d\n" % total
1094 def json(self, req):
1095 status = {"finished": self.monitor.is_finished(),
1096 "size": self.monitor.get_status(),
1098 return simplejson.dumps(status)
1100 class DeepStatsResults(rend.Page):
1101 def __init__(self, client, monitor):
1102 self.client = client
1103 self.monitor = monitor
1105 def renderHTTP(self, ctx):
1107 inevow.IRequest(ctx).setHeader("content-type", "text/plain")
1108 s = self.monitor.get_status().copy()
1109 s["finished"] = self.monitor.is_finished()
1110 return simplejson.dumps(s, indent=1)
1112 class ManifestStreamer(dirnode.DeepStats):
1113 implements(IPushProducer)
1115 def __init__(self, ctx, origin):
1116 dirnode.DeepStats.__init__(self, origin)
1117 self.req = IRequest(ctx)
1119 def setMonitor(self, monitor):
1120 self.monitor = monitor
1121 def pauseProducing(self):
1123 def resumeProducing(self):
1125 def stopProducing(self):
1126 self.monitor.cancel()
1128 def add_node(self, node, path):
1129 dirnode.DeepStats.add_node(self, node, path)
1131 "cap": node.get_uri()}
1133 if IDirectoryNode.providedBy(node):
1134 d["type"] = "directory"
1135 elif IFileNode.providedBy(node):
1138 d["type"] = "unknown"
1140 v = node.get_verify_cap()
1143 d["verifycap"] = v or ""
1145 r = node.get_repair_cap()
1148 d["repaircap"] = r or ""
1150 si = node.get_storage_index()
1153 d["storage-index"] = si or ""
1155 j = simplejson.dumps(d, ensure_ascii=True)
1156 assert "\n" not in j
1157 self.req.write(j+"\n")
1160 stats = dirnode.DeepStats.get_results(self)
1161 d = {"type": "stats",
1164 j = simplejson.dumps(d, ensure_ascii=True)
1165 assert "\n" not in j
1166 self.req.write(j+"\n")
1169 class DeepCheckStreamer(dirnode.DeepStats):
1170 implements(IPushProducer)
1172 def __init__(self, ctx, origin, verify, repair, add_lease):
1173 dirnode.DeepStats.__init__(self, origin)
1174 self.req = IRequest(ctx)
1175 self.verify = verify
1176 self.repair = repair
1177 self.add_lease = add_lease
1179 def setMonitor(self, monitor):
1180 self.monitor = monitor
1181 def pauseProducing(self):
1183 def resumeProducing(self):
1185 def stopProducing(self):
1186 self.monitor.cancel()
1188 def add_node(self, node, path):
1189 dirnode.DeepStats.add_node(self, node, path)
1190 data = {"path": path,
1191 "cap": node.get_uri()}
1193 if IDirectoryNode.providedBy(node):
1194 data["type"] = "directory"
1195 elif IFileNode.providedBy(node):
1196 data["type"] = "file"
1198 data["type"] = "unknown"
1200 v = node.get_verify_cap()
1203 data["verifycap"] = v or ""
1205 r = node.get_repair_cap()
1208 data["repaircap"] = r or ""
1210 si = node.get_storage_index()
1213 data["storage-index"] = si or ""
1216 d = node.check_and_repair(self.monitor, self.verify, self.add_lease)
1217 d.addCallback(self.add_check_and_repair, data)
1219 d = node.check(self.monitor, self.verify, self.add_lease)
1220 d.addCallback(self.add_check, data)
1221 d.addCallback(self.write_line)
1224 def add_check_and_repair(self, crr, data):
1225 data["check-and-repair-results"] = json_check_and_repair_results(crr)
1228 def add_check(self, cr, data):
1229 data["check-results"] = json_check_results(cr)
1232 def write_line(self, data):
1233 j = simplejson.dumps(data, ensure_ascii=True)
1234 assert "\n" not in j
1235 self.req.write(j+"\n")
1238 stats = dirnode.DeepStats.get_results(self)
1239 d = {"type": "stats",
1242 j = simplejson.dumps(d, ensure_ascii=True)
1243 assert "\n" not in j
1244 self.req.write(j+"\n")
1248 class UnknownNodeHandler(RenderMixin, rend.Page):
1249 def __init__(self, client, node, parentnode=None, name=None):
1250 rend.Page.__init__(self)
1253 self.parentnode = parentnode
1256 def render_GET(self, ctx):
1258 t = get_arg(req, "t", "").strip()
1260 return MoreInfo(self.node)
1262 is_parent_known_immutable = self.parentnode and not self.parentnode.is_mutable()
1263 if self.parentnode and self.name:
1264 d = self.parentnode.get_metadata_for(self.name)
1266 d = defer.succeed(None)
1267 d.addCallback(lambda md: UnknownJSONMetadata(ctx, self.node, md, is_parent_known_immutable))
1269 raise WebError("GET unknown URI type: can only do t=info and t=json, not t=%s.\n"
1270 "Using a webapi server that supports a later version of Tahoe "
1273 def UnknownJSONMetadata(ctx, node, edge_metadata, is_parent_known_immutable):
1274 rw_uri = node.get_write_uri()
1275 ro_uri = node.get_readonly_uri()
1276 data = ("unknown", {})
1278 data[1]['ro_uri'] = ro_uri
1280 data[1]['rw_uri'] = rw_uri
1281 data[1]['mutable'] = True
1282 elif is_parent_known_immutable or node.is_alleged_immutable():
1283 data[1]['mutable'] = False
1284 # else we don't know whether it is mutable.
1286 if edge_metadata is not None:
1287 data[1]['metadata'] = edge_metadata
1288 return text_plain(simplejson.dumps(data, indent=1) + "\n", ctx)