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.monitor import Monitor, OperationCancelledError
21 from allmydata import dirnode
22 from allmydata.web.common import text_plain, WebError, \
23 IOpHandleTable, NeedOperationHandleError, \
24 boolean_of_arg, get_arg, get_root, parse_replace_arg, \
25 should_create_intermediate_directories, \
26 getxmlfile, RenderMixin, humanize_failure, convert_children_json, \
27 parse_mutable_type_arg
28 from allmydata.web.filenode import ReplaceMeMixin, \
29 FileNodeHandler, PlaceHolderNodeHandler
30 from allmydata.web.check_results import CheckResults, \
31 CheckAndRepairResults, DeepCheckResults, DeepCheckAndRepairResults, \
33 from allmydata.web.info import MoreInfo
34 from allmydata.web.operations import ReloadMixin
35 from allmydata.web.check_results import json_check_results, \
36 json_check_and_repair_results
38 class BlockingFileError(Exception):
39 # TODO: catch and transform
40 """We cannot auto-create a parent directory, because there is a file in
43 def make_handler_for(node, client, parentnode=None, name=None):
45 assert IDirectoryNode.providedBy(parentnode)
46 if IFileNode.providedBy(node):
47 return FileNodeHandler(client, node, parentnode, name)
48 if IDirectoryNode.providedBy(node):
49 return DirectoryNodeHandler(client, node, parentnode, name)
50 return UnknownNodeHandler(client, node, parentnode, name)
52 class DirectoryNodeHandler(RenderMixin, rend.Page, ReplaceMeMixin):
55 def __init__(self, client, node, parentnode=None, name=None):
56 rend.Page.__init__(self)
60 self.parentnode = parentnode
63 def childFactory(self, ctx, name):
64 name = name.decode("utf-8")
66 raise EmptyPathnameComponentError()
67 d = self.node.get(name)
68 d.addBoth(self.got_child, ctx, name)
69 # got_child returns a handler resource: FileNodeHandler or
70 # DirectoryNodeHandler
73 def got_child(self, node_or_failure, ctx, name):
75 if DEBUG: print "GOT_CHILD", name, node_or_failure
78 nonterminal = len(req.postpath) > 1
79 t = get_arg(req, "t", "").strip()
80 if isinstance(node_or_failure, Failure):
82 f.trap(NoSuchChildError)
83 # No child by this name. What should we do about it?
84 if DEBUG: print "no child", name
85 if DEBUG: print "postpath", req.postpath
87 if DEBUG: print " intermediate"
88 if should_create_intermediate_directories(req):
89 # create intermediate directories
90 if DEBUG: print " making intermediate directory"
91 d = self.node.create_subdirectory(name)
92 d.addCallback(make_handler_for,
93 self.client, self.node, name)
96 if DEBUG: print " terminal"
98 if (method,t) in [ ("POST","mkdir"), ("PUT","mkdir"),
99 ("POST", "mkdir-with-children"),
100 ("POST", "mkdir-immutable") ]:
101 if DEBUG: print " making final directory"
104 if t in ("mkdir-with-children", "mkdir-immutable"):
106 kids_json = req.content.read()
107 kids = convert_children_json(self.client.nodemaker,
110 if t == "mkdir-immutable":
115 arg = get_arg(req, "mutable-type", None)
116 mt = parse_mutable_type_arg(arg)
118 raise WebError("Unknown type: %s" % arg,
120 d = self.node.create_subdirectory(name, kids,
123 d.addCallback(make_handler_for,
124 self.client, self.node, name)
126 if (method,t) in ( ("PUT",""), ("PUT","uri"), ):
127 if DEBUG: print " PUT, making leaf placeholder"
128 # we were trying to find the leaf filenode (to put a new
129 # file in its place), and it didn't exist. That's ok,
130 # since that's the leaf node that we're about to create.
131 # We make a dummy one, which will respond to the PUT
132 # request by replacing itself.
133 return PlaceHolderNodeHandler(self.client, self.node, name)
134 if DEBUG: print " 404"
135 # otherwise, we just return a no-such-child error
138 node = node_or_failure
139 if nonterminal and should_create_intermediate_directories(req):
140 if not IDirectoryNode.providedBy(node):
141 # we would have put a new directory here, but there was a
143 if DEBUG: print "blocking"
144 raise WebError("Unable to create directory '%s': "
145 "a file was in the way" % name,
147 if DEBUG: print "good child"
148 return make_handler_for(node, self.client, self.node, name)
150 def render_DELETE(self, ctx):
151 assert self.parentnode and self.name
152 d = self.parentnode.delete(self.name)
153 d.addCallback(lambda res: self.node.get_uri())
156 def render_GET(self, ctx):
158 # This is where all of the directory-related ?t=* code goes.
159 t = get_arg(req, "t", "").strip()
161 # render the directory as HTML, using the docFactory and Nevow's
162 # whole templating thing.
163 return DirectoryAsHTML(self.node,
164 self.client.mutable_file_default)
167 return DirectoryJSONMetadata(ctx, self.node)
169 return MoreInfo(self.node)
171 return DirectoryURI(ctx, self.node)
172 if t == "readonly-uri":
173 return DirectoryReadonlyURI(ctx, self.node)
174 if t == 'rename-form':
175 return RenameForm(self.node)
177 raise WebError("GET directory: bad t=%s" % t)
179 def render_PUT(self, ctx):
181 t = get_arg(req, "t", "").strip()
182 replace = parse_replace_arg(get_arg(req, "replace", "true"))
185 # our job was done by the traversal/create-intermediate-directory
186 # process that got us here.
187 return text_plain(self.node.get_uri(), ctx) # TODO: urlencode
190 # they're trying to set_uri and that name is already occupied
192 raise ExistingChildError()
193 d = self.replace_me_with_a_childcap(req, self.client, replace)
197 raise WebError("PUT to a directory")
199 def render_POST(self, ctx):
201 t = get_arg(req, "t", "").strip()
204 d = self._POST_mkdir(req)
205 elif t == "mkdir-with-children":
206 d = self._POST_mkdir_with_children(req)
207 elif t == "mkdir-immutable":
208 d = self._POST_mkdir_immutable(req)
211 d = self._POST_mkdir_p(req)
213 d = self._POST_upload(ctx) # this one needs the context
215 d = self._POST_uri(req)
216 elif t == "delete" or t == "unlink":
217 d = self._POST_unlink(req)
219 d = self._POST_rename(req)
221 d = self._POST_check(req)
222 elif t == "start-deep-check":
223 d = self._POST_start_deep_check(ctx)
224 elif t == "stream-deep-check":
225 d = self._POST_stream_deep_check(ctx)
226 elif t == "start-manifest":
227 d = self._POST_start_manifest(ctx)
228 elif t == "start-deep-size":
229 d = self._POST_start_deep_size(ctx)
230 elif t == "start-deep-stats":
231 d = self._POST_start_deep_stats(ctx)
232 elif t == "stream-manifest":
233 d = self._POST_stream_manifest(ctx)
234 elif t == "set_children" or t == "set-children":
235 d = self._POST_set_children(req)
237 raise WebError("POST to a directory with bad t=%s" % t)
239 when_done = get_arg(req, "when_done", None)
241 d.addCallback(lambda res: url.URL.fromString(when_done))
244 def _POST_mkdir(self, req):
245 name = get_arg(req, "name", "")
247 # our job is done, it was handled by the code in got_child
248 # which created the final directory (i.e. us)
249 return defer.succeed(self.node.get_uri()) # TODO: urlencode
250 name = name.decode("utf-8")
251 replace = boolean_of_arg(get_arg(req, "replace", "true"))
253 arg = get_arg(req, "mutable-type", None)
254 mt = parse_mutable_type_arg(arg)
255 if mt is not None and mt is not "invalid":
256 d = self.node.create_subdirectory(name, kids, overwrite=replace,
258 elif mt is "invalid":
259 raise WebError("Unknown type: %s" % arg, http.BAD_REQUEST)
261 d = self.node.create_subdirectory(name, kids, overwrite=replace)
262 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
265 def _POST_mkdir_with_children(self, req):
266 name = get_arg(req, "name", "")
268 # our job is done, it was handled by the code in got_child
269 # which created the final directory (i.e. us)
270 return defer.succeed(self.node.get_uri()) # TODO: urlencode
271 name = name.decode("utf-8")
272 # TODO: decide on replace= behavior, see #903
273 #replace = boolean_of_arg(get_arg(req, "replace", "false"))
275 kids_json = req.content.read()
276 kids = convert_children_json(self.client.nodemaker, kids_json)
277 arg = get_arg(req, "mutable-type", None)
278 mt = parse_mutable_type_arg(arg)
279 if mt is not None and mt is not "invalid":
280 d = self.node.create_subdirectory(name, kids, overwrite=False,
282 elif mt is "invalid":
283 raise WebError("Unknown type: %s" % arg)
285 d = self.node.create_subdirectory(name, kids, overwrite=False)
286 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
289 def _POST_mkdir_immutable(self, req):
290 name = get_arg(req, "name", "")
292 # our job is done, it was handled by the code in got_child
293 # which created the final directory (i.e. us)
294 return defer.succeed(self.node.get_uri()) # TODO: urlencode
295 name = name.decode("utf-8")
296 # TODO: decide on replace= behavior, see #903
297 #replace = boolean_of_arg(get_arg(req, "replace", "false"))
299 kids_json = req.content.read()
300 kids = convert_children_json(self.client.nodemaker, kids_json)
301 d = self.node.create_subdirectory(name, kids, overwrite=False, mutable=False)
302 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
305 def _POST_mkdir_p(self, req):
306 path = get_arg(req, "path")
308 raise WebError("mkdir-p requires a path")
309 path_ = tuple([seg.decode("utf-8") for seg in path.split('/') if seg ])
311 d = self._get_or_create_directories(self.node, path_)
312 d.addCallback(lambda node: node.get_uri())
315 def _get_or_create_directories(self, node, path):
316 if not IDirectoryNode.providedBy(node):
317 # unfortunately it is too late to provide the name of the
318 # blocking directory in the error message.
319 raise BlockingFileError("cannot create directory because there "
320 "is a file in the way")
322 return defer.succeed(node)
323 d = node.get(path[0])
324 def _maybe_create(f):
325 f.trap(NoSuchChildError)
326 return node.create_subdirectory(path[0])
327 d.addErrback(_maybe_create)
328 d.addCallback(self._get_or_create_directories, path[1:])
331 def _POST_upload(self, ctx):
333 charset = get_arg(req, "_charset", "utf-8")
334 contents = req.fields["file"]
335 assert contents.filename is None or isinstance(contents.filename, str)
336 name = get_arg(req, "name")
337 name = name or contents.filename
341 # this prohibts empty, missing, and all-whitespace filenames
342 raise WebError("upload requires a name")
343 assert isinstance(name, str)
344 name = name.decode(charset)
346 raise WebError("name= may not contain a slash", http.BAD_REQUEST)
347 assert isinstance(name, unicode)
349 # since POST /uri/path/file?t=upload is equivalent to
350 # POST /uri/path/dir?t=upload&name=foo, just do the same thing that
351 # childFactory would do. Things are cleaner if we only do a subset of
352 # them, though, so we don't do: d = self.childFactory(ctx, name)
354 d = self.node.get(name)
355 def _maybe_got_node(node_or_failure):
356 if isinstance(node_or_failure, Failure):
358 f.trap(NoSuchChildError)
359 # create a placeholder which will see POST t=upload
360 return PlaceHolderNodeHandler(self.client, self.node, name)
362 node = node_or_failure
363 return make_handler_for(node, self.client, self.node, name)
364 d.addBoth(_maybe_got_node)
365 # now we have a placeholder or a filenodehandler, and we can just
366 # delegate to it. We could return the resource back out of
367 # DirectoryNodeHandler.renderHTTP, and nevow would recurse into it,
368 # but the addCallback() that handles when_done= would break.
369 d.addCallback(lambda child: child.renderHTTP(ctx))
372 def _POST_uri(self, req):
373 childcap = get_arg(req, "uri")
375 raise WebError("set-uri requires a uri")
376 name = get_arg(req, "name")
378 raise WebError("set-uri requires a name")
379 charset = get_arg(req, "_charset", "utf-8")
380 name = name.decode(charset)
381 replace = boolean_of_arg(get_arg(req, "replace", "true"))
383 # We mustn't pass childcap for the readcap argument because we don't
384 # know whether it is a read cap. Passing a read cap as the writecap
385 # argument will work (it ends up calling NodeMaker.create_from_cap,
386 # which derives a readcap if necessary and possible).
387 d = self.node.set_uri(name, childcap, None, overwrite=replace)
388 d.addCallback(lambda res: childcap)
391 def _POST_unlink(self, req):
392 name = get_arg(req, "name")
394 # apparently an <input type="hidden" name="name" value="">
395 # won't show up in the resulting encoded form.. the 'name'
396 # field is completely missing. So to allow unlinking of a
397 # child with a name that is the empty string, we have to
398 # pretend that None means ''. The only downside of this is
399 # a slightly confusing error message if someone does a POST
400 # without a name= field. For our own HTML this isn't a big
401 # deal, because we create the 'unlink' POST buttons ourselves.
403 charset = get_arg(req, "_charset", "utf-8")
404 name = name.decode(charset)
405 d = self.node.delete(name)
406 d.addCallback(lambda res: "thing unlinked")
409 def _POST_rename(self, req):
410 charset = get_arg(req, "_charset", "utf-8")
411 from_name = get_arg(req, "from_name")
412 if from_name is not None:
413 from_name = from_name.strip()
414 from_name = from_name.decode(charset)
415 assert isinstance(from_name, unicode)
416 to_name = get_arg(req, "to_name")
417 if to_name is not None:
418 to_name = to_name.strip()
419 to_name = to_name.decode(charset)
420 assert isinstance(to_name, unicode)
421 if not from_name or not to_name:
422 raise WebError("rename requires from_name and to_name")
423 if from_name == to_name:
424 return defer.succeed("redundant rename")
426 # allow from_name to contain slashes, so they can fix names that were
427 # accidentally created with them. But disallow them in to_name, to
428 # discourage the practice.
430 raise WebError("to_name= may not contain a slash", http.BAD_REQUEST)
432 replace = boolean_of_arg(get_arg(req, "replace", "true"))
433 d = self.node.move_child_to(from_name, self.node, to_name, replace)
434 d.addCallback(lambda res: "thing renamed")
437 def _maybe_literal(self, res, Results_Class):
439 return Results_Class(self.client, res)
440 return LiteralCheckResults(self.client)
442 def _POST_check(self, req):
443 # check this directory
444 verify = boolean_of_arg(get_arg(req, "verify", "false"))
445 repair = boolean_of_arg(get_arg(req, "repair", "false"))
446 add_lease = boolean_of_arg(get_arg(req, "add-lease", "false"))
448 d = self.node.check_and_repair(Monitor(), verify, add_lease)
449 d.addCallback(self._maybe_literal, CheckAndRepairResults)
451 d = self.node.check(Monitor(), verify, add_lease)
452 d.addCallback(self._maybe_literal, CheckResults)
455 def _start_operation(self, monitor, renderer, ctx):
456 table = IOpHandleTable(ctx)
457 table.add_monitor(ctx, monitor, renderer)
458 return table.redirect_to(ctx)
460 def _POST_start_deep_check(self, ctx):
461 # check this directory and everything reachable from it
462 if not get_arg(ctx, "ophandle"):
463 raise NeedOperationHandleError("slow operation requires ophandle=")
464 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
465 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
466 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
468 monitor = self.node.start_deep_check_and_repair(verify, add_lease)
469 renderer = DeepCheckAndRepairResults(self.client, monitor)
471 monitor = self.node.start_deep_check(verify, add_lease)
472 renderer = DeepCheckResults(self.client, monitor)
473 return self._start_operation(monitor, renderer, ctx)
475 def _POST_stream_deep_check(self, ctx):
476 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
477 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
478 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
479 walker = DeepCheckStreamer(ctx, self.node, verify, repair, add_lease)
480 monitor = self.node.deep_traverse(walker)
481 walker.setMonitor(monitor)
482 # register to hear stopProducing. The walker ignores pauseProducing.
483 IRequest(ctx).registerProducer(walker, True)
484 d = monitor.when_done()
486 IRequest(ctx).unregisterProducer()
490 f.trap(OperationCancelledError)
491 return "Operation Cancelled"
492 d.addErrback(_cancelled)
494 # signal the error as a non-JSON "ERROR:" line, plus exception
495 msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__,
496 ", ".join([str(a) for a in f.value.args]))
502 def _POST_start_manifest(self, ctx):
503 if not get_arg(ctx, "ophandle"):
504 raise NeedOperationHandleError("slow operation requires ophandle=")
505 monitor = self.node.build_manifest()
506 renderer = ManifestResults(self.client, monitor)
507 return self._start_operation(monitor, renderer, ctx)
509 def _POST_start_deep_size(self, ctx):
510 if not get_arg(ctx, "ophandle"):
511 raise NeedOperationHandleError("slow operation requires ophandle=")
512 monitor = self.node.start_deep_stats()
513 renderer = DeepSizeResults(self.client, monitor)
514 return self._start_operation(monitor, renderer, ctx)
516 def _POST_start_deep_stats(self, ctx):
517 if not get_arg(ctx, "ophandle"):
518 raise NeedOperationHandleError("slow operation requires ophandle=")
519 monitor = self.node.start_deep_stats()
520 renderer = DeepStatsResults(self.client, monitor)
521 return self._start_operation(monitor, renderer, ctx)
523 def _POST_stream_manifest(self, ctx):
524 walker = ManifestStreamer(ctx, self.node)
525 monitor = self.node.deep_traverse(walker)
526 walker.setMonitor(monitor)
527 # register to hear stopProducing. The walker ignores pauseProducing.
528 IRequest(ctx).registerProducer(walker, True)
529 d = monitor.when_done()
531 IRequest(ctx).unregisterProducer()
535 f.trap(OperationCancelledError)
536 return "Operation Cancelled"
537 d.addErrback(_cancelled)
539 # signal the error as a non-JSON "ERROR:" line, plus exception
540 msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__,
541 ", ".join([str(a) for a in f.value.args]))
547 def _POST_set_children(self, req):
548 replace = boolean_of_arg(get_arg(req, "replace", "true"))
550 body = req.content.read()
552 children = simplejson.loads(body)
553 except ValueError, le:
554 le.args = tuple(le.args + (body,))
555 # TODO test handling of bad JSON
558 for name, (file_or_dir, mddict) in children.iteritems():
559 name = unicode(name) # simplejson-2.0.1 returns str *or* unicode
560 writecap = mddict.get('rw_uri')
561 if writecap is not None:
562 writecap = str(writecap)
563 readcap = mddict.get('ro_uri')
564 if readcap is not None:
565 readcap = str(readcap)
566 cs[name] = (writecap, readcap, mddict.get('metadata'))
567 d = self.node.set_children(cs, replace)
568 d.addCallback(lambda res: "Okay so I did it.")
572 def abbreviated_dirnode(dirnode):
573 u = from_string_dirnode(dirnode.get_uri())
576 class DirectoryAsHTML(rend.Page):
577 # The remainder of this class is to render the directory into
578 # human+browser -oriented HTML.
579 docFactory = getxmlfile("directory.xhtml")
582 def __init__(self, node, default_mutable_format):
583 rend.Page.__init__(self)
586 assert default_mutable_format in (MDMF_VERSION, SDMF_VERSION)
587 self.default_mutable_format = default_mutable_format
589 def beforeRender(self, ctx):
590 # attempt to get the dirnode's children, stashing them (or the
591 # failure that results) for later use
594 # Deferreds don't optimize out tail recursion, and the way
595 # Nevow's flattener handles Deferreds doesn't take this into
596 # account. As a result, large lists of Deferreds that fire in the
597 # same turn (i.e. the output of defer.succeed) will cause a stack
598 # overflow. To work around this, we insert a turn break after
599 # every 100 items, using foolscap's fireEventually(). This gives
600 # the stack a chance to be popped. It would also work to put
601 # every item in its own turn, but that'd be a lot more
602 # inefficient. This addresses ticket #237, for which I was never
603 # able to create a failing unit test.
605 for i,item in enumerate(sorted(children.items())):
607 output.append(fireEventually(item))
610 self.dirnode_children = output
613 text, code = humanize_failure(f)
614 self.dirnode_children = None
615 self.dirnode_children_error = text
617 d.addCallbacks(_good, _bad)
620 def render_title(self, ctx, data):
621 si_s = abbreviated_dirnode(self.node)
622 header = ["Tahoe-LAFS - Directory SI=%s" % si_s]
623 if self.node.is_unknown():
624 header.append(" (unknown)")
625 elif not self.node.is_mutable():
626 header.append(" (immutable)")
627 elif self.node.is_readonly():
628 header.append(" (read-only)")
630 header.append(" (modifiable)")
631 return ctx.tag[header]
633 def render_header(self, ctx, data):
634 si_s = abbreviated_dirnode(self.node)
635 header = ["Tahoe-LAFS Directory SI=", T.span(class_="data-chars")[si_s]]
636 if self.node.is_unknown():
637 header.append(" (unknown)")
638 elif not self.node.is_mutable():
639 header.append(" (immutable)")
640 elif self.node.is_readonly():
641 header.append(" (read-only)")
642 return ctx.tag[header]
644 def render_welcome(self, ctx, data):
646 return ctx.tag[T.a(href=link)["Return to Welcome page"]]
648 def render_show_readonly(self, ctx, data):
649 if self.node.is_unknown() or self.node.is_readonly():
651 rocap = self.node.get_readonly_uri()
653 uri_link = "%s/uri/%s/" % (root, urllib.quote(rocap))
654 return ctx.tag[T.a(href=uri_link)["Read-Only Version"]]
656 def render_try_children(self, ctx, data):
657 # if the dirnode can be retrived, render a table of children.
658 # Otherwise, render an apologetic error message.
659 if self.dirnode_children is not None:
662 return T.div[T.p["Error reading directory:"],
663 T.p[self.dirnode_children_error]]
665 def data_children(self, ctx, data):
666 return self.dirnode_children
668 def render_row(self, ctx, data):
669 name, (target, metadata) = data
670 name = name.encode("utf-8")
671 assert not isinstance(name, unicode)
672 nameurl = urllib.quote(name, safe="") # encode any slashes too
675 here = "%s/uri/%s/" % (root, urllib.quote(self.node.get_uri()))
676 if self.node.is_unknown() or self.node.is_readonly():
680 # this creates a button which will cause our _POST_unlink method
681 # to be invoked, which unlinks the file and then redirects the
682 # browser back to this directory
683 unlink = T.form(action=here, method="post")[
684 T.input(type='hidden', name='t', value='unlink'),
685 T.input(type='hidden', name='name', value=name),
686 T.input(type='hidden', name='when_done', value="."),
687 T.input(type='submit', value='unlink', name="unlink"),
690 rename = T.form(action=here, method="get")[
691 T.input(type='hidden', name='t', value='rename-form'),
692 T.input(type='hidden', name='name', value=name),
693 T.input(type='hidden', name='when_done', value="."),
694 T.input(type='submit', value='rename', name="rename"),
697 ctx.fillSlots("unlink", unlink)
698 ctx.fillSlots("rename", rename)
701 linkcrtime = metadata.get('tahoe', {}).get("linkcrtime")
702 if linkcrtime is not None:
703 times.append("lcr: " + time_format.iso_local(linkcrtime))
705 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
706 if "ctime" in metadata:
707 ctime = time_format.iso_local(metadata["ctime"])
708 times.append("c: " + ctime)
709 linkmotime = metadata.get('tahoe', {}).get("linkmotime")
710 if linkmotime is not None:
713 times.append("lmo: " + time_format.iso_local(linkmotime))
715 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
716 if "mtime" in metadata:
717 mtime = time_format.iso_local(metadata["mtime"])
720 times.append("m: " + mtime)
721 ctx.fillSlots("times", times)
723 assert IFilesystemNode.providedBy(target), target
724 target_uri = target.get_uri() or ""
725 quoted_uri = urllib.quote(target_uri, safe="") # escape slashes too
727 if IMutableFileNode.providedBy(target):
728 # to prevent javascript in displayed .html files from stealing a
729 # secret directory URI from the URL, send the browser to a URI-based
730 # page that doesn't know about the directory at all
731 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
733 ctx.fillSlots("filename",
734 T.a(href=dlurl)[html.escape(name)])
735 ctx.fillSlots("type", "SSK")
737 ctx.fillSlots("size", "?")
739 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
741 elif IImmutableFileNode.providedBy(target):
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", "FILE")
748 ctx.fillSlots("size", target.get_size())
750 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
752 elif IDirectoryNode.providedBy(target):
754 uri_link = "%s/uri/%s/" % (root, urllib.quote(target_uri))
755 ctx.fillSlots("filename",
756 T.a(href=uri_link)[html.escape(name)])
757 if not target.is_mutable():
759 elif target.is_readonly():
763 ctx.fillSlots("type", dirtype)
764 ctx.fillSlots("size", "-")
765 info_link = "%s/uri/%s/?t=info" % (root, quoted_uri)
769 ctx.fillSlots("filename", html.escape(name))
770 if target.get_write_uri() is not None:
772 elif not self.node.is_mutable() or target.is_alleged_immutable():
773 unknowntype = "?-IMM"
776 ctx.fillSlots("type", unknowntype)
777 ctx.fillSlots("size", "-")
778 # use a directory-relative info link, so we can extract both the
779 # writecap and the readcap
780 info_link = "%s?t=info" % urllib.quote(name)
782 ctx.fillSlots("info", T.a(href=info_link)["More Info"])
786 # XXX: Duplicated from root.py.
787 def render_forms(self, ctx, data):
790 if self.node.is_readonly():
791 return T.div["No upload forms: directory is read-only"]
792 if self.dirnode_children is None:
793 return T.div["No upload forms: directory is unreadable"]
795 mdmf_directory_input = T.input(type='radio', name='mutable-type',
796 id='mutable-directory-mdmf',
798 sdmf_directory_input = T.input(type='radio', name='mutable-type',
799 id='mutable-directory-sdmf',
800 value='sdmf', checked='checked')
801 mkdir = T.form(action=".", method="post",
802 enctype="multipart/form-data")[
804 T.input(type="hidden", name="t", value="mkdir"),
805 T.input(type="hidden", name="when_done", value="."),
806 T.legend(class_="freeform-form-label")["Create a new directory in this directory"],
807 "New directory name: ",
808 T.input(type="text", name="name"), " ",
809 T.label(for_='mutable-directory-sdmf')["SDMF"],
810 sdmf_directory_input,
811 T.label(for_='mutable-directory-mdmf')["MDMF"],
812 mdmf_directory_input,
813 T.input(type="submit", value="Create"),
815 forms.append(T.div(class_="freeform-form")[mkdir])
817 # Build input elements for mutable file type. We do this outside
818 # of the list so we can check the appropriate format, based on
819 # the default configured in the client (which reflects the
820 # default configured in tahoe.cfg)
821 if self.default_mutable_format == MDMF_VERSION:
822 mdmf_input = T.input(type='radio', name='mutable-type',
823 id='mutable-type-mdmf', value='mdmf',
826 mdmf_input = T.input(type='radio', name='mutable-type',
827 id='mutable-type-mdmf', value='mdmf')
829 if self.default_mutable_format == SDMF_VERSION:
830 sdmf_input = T.input(type='radio', name='mutable-type',
831 id='mutable-type-sdmf', value='sdmf',
834 sdmf_input = T.input(type='radio', name='mutable-type',
835 id='mutable-type-sdmf', value='sdmf')
837 upload = T.form(action=".", method="post",
838 enctype="multipart/form-data")[
840 T.input(type="hidden", name="t", value="upload"),
841 T.input(type="hidden", name="when_done", value="."),
842 T.legend(class_="freeform-form-label")["Upload a file to this directory"],
843 "Choose a file to upload: ",
844 T.input(type="file", name="file", class_="freeform-input-file"),
846 T.input(type="submit", value="Upload"),
848 T.input(type="checkbox", name="mutable"),
849 sdmf_input, T.label(for_="mutable-type-sdmf")["SDMF"],
851 T.label(for_="mutable-type-mdmf")["MDMF (experimental)"],
853 forms.append(T.div(class_="freeform-form")[upload])
855 mount = T.form(action=".", method="post",
856 enctype="multipart/form-data")[
858 T.input(type="hidden", name="t", value="uri"),
859 T.input(type="hidden", name="when_done", value="."),
860 T.legend(class_="freeform-form-label")["Add a link to a file or directory which is already in Tahoe-LAFS."],
862 T.input(type="text", name="name"), " ",
863 "URI of new child: ",
864 T.input(type="text", name="uri"), " ",
865 T.input(type="submit", value="Attach"),
867 forms.append(T.div(class_="freeform-form")[mount])
870 def render_results(self, ctx, data):
872 return get_arg(req, "results", "")
875 def DirectoryJSONMetadata(ctx, dirnode):
879 for name, (childnode, metadata) in children.iteritems():
880 assert IFilesystemNode.providedBy(childnode), childnode
881 rw_uri = childnode.get_write_uri()
882 ro_uri = childnode.get_readonly_uri()
883 if IFileNode.providedBy(childnode):
884 kiddata = ("filenode", {'size': childnode.get_size(),
885 'mutable': childnode.is_mutable(),
887 if childnode.is_mutable() and \
888 childnode.get_version() is not None:
889 mutable_type = childnode.get_version()
890 assert mutable_type in (SDMF_VERSION, MDMF_VERSION)
892 if mutable_type == MDMF_VERSION:
893 mutable_type = "mdmf"
895 mutable_type = "sdmf"
896 kiddata[1]['mutable-type'] = mutable_type
898 elif IDirectoryNode.providedBy(childnode):
899 kiddata = ("dirnode", {'mutable': childnode.is_mutable()})
901 kiddata = ("unknown", {})
903 kiddata[1]["metadata"] = metadata
905 kiddata[1]["rw_uri"] = rw_uri
907 kiddata[1]["ro_uri"] = ro_uri
908 verifycap = childnode.get_verify_cap()
910 kiddata[1]['verify_uri'] = verifycap.to_string()
914 drw_uri = dirnode.get_write_uri()
915 dro_uri = dirnode.get_readonly_uri()
916 contents = { 'children': kids }
918 contents['ro_uri'] = dro_uri
920 contents['rw_uri'] = drw_uri
921 verifycap = dirnode.get_verify_cap()
923 contents['verify_uri'] = verifycap.to_string()
924 contents['mutable'] = dirnode.is_mutable()
925 data = ("dirnode", contents)
926 json = simplejson.dumps(data, indent=1) + "\n"
929 d.addCallback(text_plain, ctx)
933 def DirectoryURI(ctx, dirnode):
934 return text_plain(dirnode.get_uri(), ctx)
936 def DirectoryReadonlyURI(ctx, dirnode):
937 return text_plain(dirnode.get_readonly_uri(), ctx)
939 class RenameForm(rend.Page):
941 docFactory = getxmlfile("rename-form.xhtml")
943 def render_title(self, ctx, data):
944 return ctx.tag["Directory SI=%s" % abbreviated_dirnode(self.original)]
946 def render_header(self, ctx, data):
948 "in directory SI=%s" % abbreviated_dirnode(self.original),
951 if self.original.is_readonly():
952 header.append(" (readonly!)")
954 return ctx.tag[header]
956 def render_when_done(self, ctx, data):
957 return T.input(type="hidden", name="when_done", value=".")
959 def render_get_name(self, ctx, data):
961 name = get_arg(req, "name", "")
962 ctx.tag.attributes['value'] = name
966 class ManifestResults(rend.Page, ReloadMixin):
967 docFactory = getxmlfile("manifest.xhtml")
969 def __init__(self, client, monitor):
971 self.monitor = monitor
973 def renderHTTP(self, ctx):
974 req = inevow.IRequest(ctx)
975 output = get_arg(req, "output", "html").lower()
977 return self.text(req)
979 return self.json(req)
980 return rend.Page.renderHTTP(self, ctx)
982 def slashify_path(self, path):
985 return "/".join([p.encode("utf-8") for p in path])
988 req.setHeader("content-type", "text/plain")
990 is_finished = self.monitor.is_finished()
991 lines.append("finished: " + {True: "yes", False: "no"}[is_finished])
992 for (path, cap) in self.monitor.get_status()["manifest"]:
993 lines.append(self.slashify_path(path) + " " + cap)
994 return "\n".join(lines) + "\n"
997 req.setHeader("content-type", "text/plain")
1002 origin_base32 = base32.b2a(m.origin_si)
1005 status = { "stats": s["stats"],
1006 "finished": m.is_finished(),
1007 "origin": origin_base32,
1010 # don't return manifest/verifycaps/SIs unless the operation is
1011 # done, to save on CPU/memory (both here and in the HTTP client
1012 # who has to unpack the JSON). Tests show that the ManifestWalker
1013 # needs about 1092 bytes per item, the JSON we generate here
1014 # requires about 503 bytes per item, and some internal overhead
1015 # (perhaps transport-layer buffers in twisted.web?) requires an
1016 # additional 1047 bytes per item.
1017 status.update({ "manifest": s["manifest"],
1018 "verifycaps": [i for i in s["verifycaps"]],
1019 "storage-index": [i for i in s["storage-index"]],
1021 # simplejson doesn't know how to serialize a set. We use a
1022 # generator that walks the set rather than list(setofthing) to
1023 # save a small amount of memory (4B*len) and a moderate amount of
1025 return simplejson.dumps(status, indent=1)
1027 def _si_abbrev(self):
1028 si = self.monitor.origin_si
1031 return base32.b2a(si)[:6]
1033 def render_title(self, ctx):
1034 return T.title["Manifest of SI=%s" % self._si_abbrev()]
1036 def render_header(self, ctx):
1037 return T.p["Manifest of SI=%s" % self._si_abbrev()]
1039 def data_items(self, ctx, data):
1040 return self.monitor.get_status()["manifest"]
1042 def render_row(self, ctx, (path, cap)):
1043 ctx.fillSlots("path", self.slashify_path(path))
1044 root = get_root(ctx)
1045 # TODO: we need a clean consistent way to get the type of a cap string
1047 if cap.startswith("URI:CHK") or cap.startswith("URI:SSK"):
1048 nameurl = urllib.quote(path[-1].encode("utf-8"))
1049 uri_link = "%s/file/%s/@@named=/%s" % (root, urllib.quote(cap),
1052 uri_link = "%s/uri/%s" % (root, urllib.quote(cap, safe=""))
1053 ctx.fillSlots("cap", T.a(href=uri_link)[cap])
1055 ctx.fillSlots("cap", "")
1058 class DeepSizeResults(rend.Page):
1059 def __init__(self, client, monitor):
1060 self.client = client
1061 self.monitor = monitor
1063 def renderHTTP(self, ctx):
1064 req = inevow.IRequest(ctx)
1065 output = get_arg(req, "output", "html").lower()
1066 req.setHeader("content-type", "text/plain")
1067 if output == "json":
1068 return self.json(req)
1070 is_finished = self.monitor.is_finished()
1071 output = "finished: " + {True: "yes", False: "no"}[is_finished] + "\n"
1073 stats = self.monitor.get_status()
1074 total = (stats.get("size-immutable-files", 0)
1075 + stats.get("size-mutable-files", 0)
1076 + stats.get("size-directories", 0))
1077 output += "size: %d\n" % total
1080 def json(self, req):
1081 status = {"finished": self.monitor.is_finished(),
1082 "size": self.monitor.get_status(),
1084 return simplejson.dumps(status)
1086 class DeepStatsResults(rend.Page):
1087 def __init__(self, client, monitor):
1088 self.client = client
1089 self.monitor = monitor
1091 def renderHTTP(self, ctx):
1093 inevow.IRequest(ctx).setHeader("content-type", "text/plain")
1094 s = self.monitor.get_status().copy()
1095 s["finished"] = self.monitor.is_finished()
1096 return simplejson.dumps(s, indent=1)
1098 class ManifestStreamer(dirnode.DeepStats):
1099 implements(IPushProducer)
1101 def __init__(self, ctx, origin):
1102 dirnode.DeepStats.__init__(self, origin)
1103 self.req = IRequest(ctx)
1105 def setMonitor(self, monitor):
1106 self.monitor = monitor
1107 def pauseProducing(self):
1109 def resumeProducing(self):
1111 def stopProducing(self):
1112 self.monitor.cancel()
1114 def add_node(self, node, path):
1115 dirnode.DeepStats.add_node(self, node, path)
1117 "cap": node.get_uri()}
1119 if IDirectoryNode.providedBy(node):
1120 d["type"] = "directory"
1121 elif IFileNode.providedBy(node):
1124 d["type"] = "unknown"
1126 v = node.get_verify_cap()
1129 d["verifycap"] = v or ""
1131 r = node.get_repair_cap()
1134 d["repaircap"] = r or ""
1136 si = node.get_storage_index()
1139 d["storage-index"] = si or ""
1141 j = simplejson.dumps(d, ensure_ascii=True)
1142 assert "\n" not in j
1143 self.req.write(j+"\n")
1146 stats = dirnode.DeepStats.get_results(self)
1147 d = {"type": "stats",
1150 j = simplejson.dumps(d, ensure_ascii=True)
1151 assert "\n" not in j
1152 self.req.write(j+"\n")
1155 class DeepCheckStreamer(dirnode.DeepStats):
1156 implements(IPushProducer)
1158 def __init__(self, ctx, origin, verify, repair, add_lease):
1159 dirnode.DeepStats.__init__(self, origin)
1160 self.req = IRequest(ctx)
1161 self.verify = verify
1162 self.repair = repair
1163 self.add_lease = add_lease
1165 def setMonitor(self, monitor):
1166 self.monitor = monitor
1167 def pauseProducing(self):
1169 def resumeProducing(self):
1171 def stopProducing(self):
1172 self.monitor.cancel()
1174 def add_node(self, node, path):
1175 dirnode.DeepStats.add_node(self, node, path)
1176 data = {"path": path,
1177 "cap": node.get_uri()}
1179 if IDirectoryNode.providedBy(node):
1180 data["type"] = "directory"
1181 elif IFileNode.providedBy(node):
1182 data["type"] = "file"
1184 data["type"] = "unknown"
1186 v = node.get_verify_cap()
1189 data["verifycap"] = v or ""
1191 r = node.get_repair_cap()
1194 data["repaircap"] = r or ""
1196 si = node.get_storage_index()
1199 data["storage-index"] = si or ""
1202 d = node.check_and_repair(self.monitor, self.verify, self.add_lease)
1203 d.addCallback(self.add_check_and_repair, data)
1205 d = node.check(self.monitor, self.verify, self.add_lease)
1206 d.addCallback(self.add_check, data)
1207 d.addCallback(self.write_line)
1210 def add_check_and_repair(self, crr, data):
1211 data["check-and-repair-results"] = json_check_and_repair_results(crr)
1214 def add_check(self, cr, data):
1215 data["check-results"] = json_check_results(cr)
1218 def write_line(self, data):
1219 j = simplejson.dumps(data, ensure_ascii=True)
1220 assert "\n" not in j
1221 self.req.write(j+"\n")
1224 stats = dirnode.DeepStats.get_results(self)
1225 d = {"type": "stats",
1228 j = simplejson.dumps(d, ensure_ascii=True)
1229 assert "\n" not in j
1230 self.req.write(j+"\n")
1234 class UnknownNodeHandler(RenderMixin, rend.Page):
1235 def __init__(self, client, node, parentnode=None, name=None):
1236 rend.Page.__init__(self)
1239 self.parentnode = parentnode
1242 def render_GET(self, ctx):
1244 t = get_arg(req, "t", "").strip()
1246 return MoreInfo(self.node)
1248 is_parent_known_immutable = self.parentnode and not self.parentnode.is_mutable()
1249 if self.parentnode and self.name:
1250 d = self.parentnode.get_metadata_for(self.name)
1252 d = defer.succeed(None)
1253 d.addCallback(lambda md: UnknownJSONMetadata(ctx, self.node, md, is_parent_known_immutable))
1255 raise WebError("GET unknown URI type: can only do t=info and t=json, not t=%s.\n"
1256 "Using a webapi server that supports a later version of Tahoe "
1259 def UnknownJSONMetadata(ctx, node, edge_metadata, is_parent_known_immutable):
1260 rw_uri = node.get_write_uri()
1261 ro_uri = node.get_readonly_uri()
1262 data = ("unknown", {})
1264 data[1]['ro_uri'] = ro_uri
1266 data[1]['rw_uri'] = rw_uri
1267 data[1]['mutable'] = True
1268 elif is_parent_known_immutable or node.is_alleged_immutable():
1269 data[1]['mutable'] = False
1270 # else we don't know whether it is mutable.
1272 if edge_metadata is not None:
1273 data[1]['metadata'] = edge_metadata
1274 return text_plain(simplejson.dumps(data, indent=1) + "\n", ctx)