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, IMutableFileNode, \
18 IFilesystemNode, ExistingChildError, NoSuchChildError
19 from allmydata.monitor import Monitor, OperationCancelledError
20 from allmydata import dirnode
21 from allmydata.web.common import text_plain, WebError, \
22 IOpHandleTable, NeedOperationHandleError, \
23 boolean_of_arg, get_arg, get_root, parse_replace_arg, \
24 should_create_intermediate_directories, \
25 getxmlfile, RenderMixin, humanize_failure, convert_children_json
26 from allmydata.web.filenode import ReplaceMeMixin, \
27 FileNodeHandler, PlaceHolderNodeHandler
28 from allmydata.web.check_results import CheckResults, \
29 CheckAndRepairResults, DeepCheckResults, DeepCheckAndRepairResults
30 from allmydata.web.info import MoreInfo
31 from allmydata.web.operations import ReloadMixin
32 from allmydata.web.check_results import json_check_results, \
33 json_check_and_repair_results
35 class BlockingFileError(Exception):
36 # TODO: catch and transform
37 """We cannot auto-create a parent directory, because there is a file in
40 def make_handler_for(node, client, parentnode=None, name=None):
42 assert IDirectoryNode.providedBy(parentnode)
43 if IMutableFileNode.providedBy(node):
44 return FileNodeHandler(client, node, parentnode, name)
45 if IFileNode.providedBy(node):
46 return FileNodeHandler(client, node, parentnode, name)
47 if IDirectoryNode.providedBy(node):
48 return DirectoryNodeHandler(client, node, parentnode, name)
49 return UnknownNodeHandler(client, node, parentnode, name)
51 class DirectoryNodeHandler(RenderMixin, rend.Page, ReplaceMeMixin):
54 def __init__(self, client, node, parentnode=None, name=None):
55 rend.Page.__init__(self)
59 self.parentnode = parentnode
62 def childFactory(self, ctx, name):
64 name = name.decode("utf-8")
65 d = self.node.get(name)
66 d.addBoth(self.got_child, ctx, name)
67 # got_child returns a handler resource: FileNodeHandler or
68 # DirectoryNodeHandler
71 def got_child(self, node_or_failure, ctx, name):
73 if DEBUG: print "GOT_CHILD", name, node_or_failure
76 nonterminal = len(req.postpath) > 1
77 t = get_arg(req, "t", "").strip()
78 if isinstance(node_or_failure, Failure):
80 f.trap(NoSuchChildError)
81 # No child by this name. What should we do about it?
82 if DEBUG: print "no child", name
83 if DEBUG: print "postpath", req.postpath
85 if DEBUG: print " intermediate"
86 if should_create_intermediate_directories(req):
87 # create intermediate directories
88 if DEBUG: print " making intermediate directory"
89 d = self.node.create_subdirectory(name)
90 d.addCallback(make_handler_for,
91 self.client, self.node, name)
94 if DEBUG: print " terminal"
96 if (method,t) in [ ("POST","mkdir"), ("PUT","mkdir"),
97 ("POST", "mkdir-with-children"),
98 ("POST", "mkdir-immutable") ]:
99 if DEBUG: print " making final directory"
102 if t in ("mkdir-with-children", "mkdir-immutable"):
104 kids_json = req.content.read()
105 kids = convert_children_json(self.client.nodemaker,
108 if t == "mkdir-immutable":
110 d = self.node.create_subdirectory(name, kids,
112 d.addCallback(make_handler_for,
113 self.client, self.node, name)
115 if (method,t) in ( ("PUT",""), ("PUT","uri"), ):
116 if DEBUG: print " PUT, making leaf placeholder"
117 # we were trying to find the leaf filenode (to put a new
118 # file in its place), and it didn't exist. That's ok,
119 # since that's the leaf node that we're about to create.
120 # We make a dummy one, which will respond to the PUT
121 # request by replacing itself.
122 return PlaceHolderNodeHandler(self.client, self.node, name)
123 if DEBUG: print " 404"
124 # otherwise, we just return a no-such-child error
127 node = node_or_failure
128 if nonterminal and should_create_intermediate_directories(req):
129 if not IDirectoryNode.providedBy(node):
130 # we would have put a new directory here, but there was a
132 if DEBUG: print "blocking"
133 raise WebError("Unable to create directory '%s': "
134 "a file was in the way" % name,
136 if DEBUG: print "good child"
137 return make_handler_for(node, self.client, self.node, name)
139 def render_DELETE(self, ctx):
140 assert self.parentnode and self.name
141 d = self.parentnode.delete(self.name)
142 d.addCallback(lambda res: self.node.get_uri())
145 def render_GET(self, ctx):
147 # This is where all of the directory-related ?t=* code goes.
148 t = get_arg(req, "t", "").strip()
150 # render the directory as HTML, using the docFactory and Nevow's
151 # whole templating thing.
152 return DirectoryAsHTML(self.node)
155 return DirectoryJSONMetadata(ctx, self.node)
157 return MoreInfo(self.node)
159 return DirectoryURI(ctx, self.node)
160 if t == "readonly-uri":
161 return DirectoryReadonlyURI(ctx, self.node)
162 if t == 'rename-form':
163 return RenameForm(self.node)
165 raise WebError("GET directory: bad t=%s" % t)
167 def render_PUT(self, ctx):
169 t = get_arg(req, "t", "").strip()
170 replace = parse_replace_arg(get_arg(req, "replace", "true"))
173 # our job was done by the traversal/create-intermediate-directory
174 # process that got us here.
175 return text_plain(self.node.get_uri(), ctx) # TODO: urlencode
178 # they're trying to set_uri and that name is already occupied
180 raise ExistingChildError()
181 d = self.replace_me_with_a_childcap(req, self.client, replace)
185 raise WebError("PUT to a directory")
187 def render_POST(self, ctx):
189 t = get_arg(req, "t", "").strip()
192 d = self._POST_mkdir(req)
193 elif t == "mkdir-with-children":
194 d = self._POST_mkdir_with_children(req)
195 elif t == "mkdir-immutable":
196 d = self._POST_mkdir_immutable(req)
199 d = self._POST_mkdir_p(req)
201 d = self._POST_upload(ctx) # this one needs the context
203 d = self._POST_uri(req)
205 d = self._POST_delete(req)
207 d = self._POST_rename(req)
209 d = self._POST_check(req)
210 elif t == "start-deep-check":
211 d = self._POST_start_deep_check(ctx)
212 elif t == "stream-deep-check":
213 d = self._POST_stream_deep_check(ctx)
214 elif t == "start-manifest":
215 d = self._POST_start_manifest(ctx)
216 elif t == "start-deep-size":
217 d = self._POST_start_deep_size(ctx)
218 elif t == "start-deep-stats":
219 d = self._POST_start_deep_stats(ctx)
220 elif t == "stream-manifest":
221 d = self._POST_stream_manifest(ctx)
222 elif t == "set_children":
223 d = self._POST_set_children(req)
225 raise WebError("POST to a directory with bad t=%s" % t)
227 when_done = get_arg(req, "when_done", None)
229 d.addCallback(lambda res: url.URL.fromString(when_done))
232 def _POST_mkdir(self, req):
233 name = get_arg(req, "name", "")
235 # our job is done, it was handled by the code in got_child
236 # which created the final directory (i.e. us)
237 return defer.succeed(self.node.get_uri()) # TODO: urlencode
238 name = name.decode("utf-8")
239 replace = boolean_of_arg(get_arg(req, "replace", "true"))
241 d = self.node.create_subdirectory(name, kids, overwrite=replace)
242 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
245 def _POST_mkdir_with_children(self, req):
246 name = get_arg(req, "name", "")
248 # our job is done, it was handled by the code in got_child
249 # which created the final directory (i.e. us)
250 return defer.succeed(self.node.get_uri()) # TODO: urlencode
251 name = name.decode("utf-8")
252 replace = boolean_of_arg(get_arg(req, "replace", "true"))
254 kids_json = req.content.read()
255 kids = convert_children_json(self.client.nodemaker, kids_json)
256 d = self.node.create_subdirectory(name, kids, overwrite=replace)
257 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
260 def _POST_mkdir_immutable(self, req):
261 name = get_arg(req, "name", "")
263 # our job is done, it was handled by the code in got_child
264 # which created the final directory (i.e. us)
265 return defer.succeed(self.node.get_uri()) # TODO: urlencode
266 name = name.decode("utf-8")
267 replace = boolean_of_arg(get_arg(req, "replace", "true"))
269 kids_json = req.content.read()
270 kids = convert_children_json(self.client.nodemaker, kids_json)
271 d = self.node.create_subdirectory(name, kids, mutable=False)
272 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
275 def _POST_mkdir_p(self, req):
276 path = get_arg(req, "path")
278 raise WebError("mkdir-p requires a path")
279 path_ = tuple([seg.decode("utf-8") for seg in path.split('/') if seg ])
281 d = self._get_or_create_directories(self.node, path_)
282 d.addCallback(lambda node: node.get_uri())
285 def _get_or_create_directories(self, node, path):
286 if not IDirectoryNode.providedBy(node):
287 # unfortunately it is too late to provide the name of the
288 # blocking directory in the error message.
289 raise BlockingFileError("cannot create directory because there "
290 "is a file in the way")
292 return defer.succeed(node)
293 d = node.get(path[0])
294 def _maybe_create(f):
295 f.trap(NoSuchChildError)
296 return node.create_subdirectory(path[0])
297 d.addErrback(_maybe_create)
298 d.addCallback(self._get_or_create_directories, path[1:])
301 def _POST_upload(self, ctx):
303 charset = get_arg(req, "_charset", "utf-8")
304 contents = req.fields["file"]
305 assert contents.filename is None or isinstance(contents.filename, str)
306 name = get_arg(req, "name")
307 name = name or contents.filename
311 # this prohibts empty, missing, and all-whitespace filenames
312 raise WebError("upload requires a name")
313 assert isinstance(name, str)
314 name = name.decode(charset)
316 raise WebError("name= may not contain a slash", http.BAD_REQUEST)
317 assert isinstance(name, unicode)
319 # since POST /uri/path/file?t=upload is equivalent to
320 # POST /uri/path/dir?t=upload&name=foo, just do the same thing that
321 # childFactory would do. Things are cleaner if we only do a subset of
322 # them, though, so we don't do: d = self.childFactory(ctx, name)
324 d = self.node.get(name)
325 def _maybe_got_node(node_or_failure):
326 if isinstance(node_or_failure, Failure):
328 f.trap(NoSuchChildError)
329 # create a placeholder which will see POST t=upload
330 return PlaceHolderNodeHandler(self.client, self.node, name)
332 node = node_or_failure
333 return make_handler_for(node, self.client, self.node, name)
334 d.addBoth(_maybe_got_node)
335 # now we have a placeholder or a filenodehandler, and we can just
336 # delegate to it. We could return the resource back out of
337 # DirectoryNodeHandler.renderHTTP, and nevow would recurse into it,
338 # but the addCallback() that handles when_done= would break.
339 d.addCallback(lambda child: child.renderHTTP(ctx))
342 def _POST_uri(self, req):
343 childcap = get_arg(req, "uri")
345 raise WebError("set-uri requires a uri")
346 name = get_arg(req, "name")
348 raise WebError("set-uri requires a name")
349 charset = get_arg(req, "_charset", "utf-8")
350 name = name.decode(charset)
351 replace = boolean_of_arg(get_arg(req, "replace", "true"))
352 d = self.node.set_uri(name, childcap, childcap, overwrite=replace)
353 d.addCallback(lambda res: childcap)
356 def _POST_delete(self, req):
357 name = get_arg(req, "name")
359 # apparently an <input type="hidden" name="name" value="">
360 # won't show up in the resulting encoded form.. the 'name'
361 # field is completely missing. So to allow deletion of an
362 # empty file, we have to pretend that None means ''. The only
363 # downide of this is a slightly confusing error message if
364 # someone does a POST without a name= field. For our own HTML
365 # thisn't a big deal, because we create the 'delete' POST
368 charset = get_arg(req, "_charset", "utf-8")
369 name = name.decode(charset)
370 d = self.node.delete(name)
371 d.addCallback(lambda res: "thing deleted")
374 def _POST_rename(self, req):
375 charset = get_arg(req, "_charset", "utf-8")
376 from_name = get_arg(req, "from_name")
377 if from_name is not None:
378 from_name = from_name.strip()
379 from_name = from_name.decode(charset)
380 assert isinstance(from_name, unicode)
381 to_name = get_arg(req, "to_name")
382 if to_name is not None:
383 to_name = to_name.strip()
384 to_name = to_name.decode(charset)
385 assert isinstance(to_name, unicode)
386 if not from_name or not to_name:
387 raise WebError("rename requires from_name and to_name")
388 if from_name == to_name:
389 return defer.succeed("redundant rename")
391 # allow from_name to contain slashes, so they can fix names that were
392 # accidentally created with them. But disallow them in to_name, to
393 # discourage the practice.
395 raise WebError("to_name= may not contain a slash", http.BAD_REQUEST)
397 replace = boolean_of_arg(get_arg(req, "replace", "true"))
398 d = self.node.move_child_to(from_name, self.node, to_name, replace)
399 d.addCallback(lambda res: "thing renamed")
402 def _POST_check(self, req):
403 # check this directory
404 verify = boolean_of_arg(get_arg(req, "verify", "false"))
405 repair = boolean_of_arg(get_arg(req, "repair", "false"))
406 add_lease = boolean_of_arg(get_arg(req, "add-lease", "false"))
408 d = self.node.check_and_repair(Monitor(), verify, add_lease)
409 d.addCallback(lambda res: CheckAndRepairResults(self.client, res))
411 d = self.node.check(Monitor(), verify, add_lease)
412 d.addCallback(lambda res: CheckResults(self.client, res))
415 def _start_operation(self, monitor, renderer, ctx):
416 table = IOpHandleTable(ctx)
417 table.add_monitor(ctx, monitor, renderer)
418 return table.redirect_to(ctx)
420 def _POST_start_deep_check(self, ctx):
421 # check this directory and everything reachable from it
422 if not get_arg(ctx, "ophandle"):
423 raise NeedOperationHandleError("slow operation requires ophandle=")
424 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
425 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
426 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
428 monitor = self.node.start_deep_check_and_repair(verify, add_lease)
429 renderer = DeepCheckAndRepairResults(self.client, monitor)
431 monitor = self.node.start_deep_check(verify, add_lease)
432 renderer = DeepCheckResults(self.client, monitor)
433 return self._start_operation(monitor, renderer, ctx)
435 def _POST_stream_deep_check(self, ctx):
436 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
437 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
438 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
439 walker = DeepCheckStreamer(ctx, self.node, verify, repair, add_lease)
440 monitor = self.node.deep_traverse(walker)
441 walker.setMonitor(monitor)
442 # register to hear stopProducing. The walker ignores pauseProducing.
443 IRequest(ctx).registerProducer(walker, True)
444 d = monitor.when_done()
446 IRequest(ctx).unregisterProducer()
450 f.trap(OperationCancelledError)
451 return "Operation Cancelled"
452 d.addErrback(_cancelled)
454 # signal the error as a non-JSON "ERROR:" line, plus exception
455 msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__,
456 ", ".join([str(a) for a in f.value.args]))
462 def _POST_start_manifest(self, ctx):
463 if not get_arg(ctx, "ophandle"):
464 raise NeedOperationHandleError("slow operation requires ophandle=")
465 monitor = self.node.build_manifest()
466 renderer = ManifestResults(self.client, monitor)
467 return self._start_operation(monitor, renderer, ctx)
469 def _POST_start_deep_size(self, ctx):
470 if not get_arg(ctx, "ophandle"):
471 raise NeedOperationHandleError("slow operation requires ophandle=")
472 monitor = self.node.start_deep_stats()
473 renderer = DeepSizeResults(self.client, monitor)
474 return self._start_operation(monitor, renderer, ctx)
476 def _POST_start_deep_stats(self, ctx):
477 if not get_arg(ctx, "ophandle"):
478 raise NeedOperationHandleError("slow operation requires ophandle=")
479 monitor = self.node.start_deep_stats()
480 renderer = DeepStatsResults(self.client, monitor)
481 return self._start_operation(monitor, renderer, ctx)
483 def _POST_stream_manifest(self, ctx):
484 walker = ManifestStreamer(ctx, self.node)
485 monitor = self.node.deep_traverse(walker)
486 walker.setMonitor(monitor)
487 # register to hear stopProducing. The walker ignores pauseProducing.
488 IRequest(ctx).registerProducer(walker, True)
489 d = monitor.when_done()
491 IRequest(ctx).unregisterProducer()
495 f.trap(OperationCancelledError)
496 return "Operation Cancelled"
497 d.addErrback(_cancelled)
499 # signal the error as a non-JSON "ERROR:" line, plus exception
500 msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__,
501 ", ".join([str(a) for a in f.value.args]))
507 def _POST_set_children(self, req):
508 replace = boolean_of_arg(get_arg(req, "replace", "true"))
510 body = req.content.read()
512 children = simplejson.loads(body)
513 except ValueError, le:
514 le.args = tuple(le.args + (body,))
515 # TODO test handling of bad JSON
518 for name, (file_or_dir, mddict) in children.iteritems():
519 name = unicode(name) # simplejson-2.0.1 returns str *or* unicode
520 writecap = mddict.get('rw_uri')
521 if writecap is not None:
522 writecap = str(writecap)
523 readcap = mddict.get('ro_uri')
524 if readcap is not None:
525 readcap = str(readcap)
526 cs[name] = (writecap, readcap, mddict.get('metadata'))
527 d = self.node.set_children(cs, replace)
528 d.addCallback(lambda res: "Okay so I did it.")
532 def abbreviated_dirnode(dirnode):
533 u = from_string_dirnode(dirnode.get_uri())
536 class DirectoryAsHTML(rend.Page):
537 # The remainder of this class is to render the directory into
538 # human+browser -oriented HTML.
539 docFactory = getxmlfile("directory.xhtml")
542 def __init__(self, node):
543 rend.Page.__init__(self)
546 def beforeRender(self, ctx):
547 # attempt to get the dirnode's children, stashing them (or the
548 # failure that results) for later use
551 # Deferreds don't optimize out tail recursion, and the way
552 # Nevow's flattener handles Deferreds doesn't take this into
553 # account. As a result, large lists of Deferreds that fire in the
554 # same turn (i.e. the output of defer.succeed) will cause a stack
555 # overflow. To work around this, we insert a turn break after
556 # every 100 items, using foolscap's fireEventually(). This gives
557 # the stack a chance to be popped. It would also work to put
558 # every item in its own turn, but that'd be a lot more
559 # inefficient. This addresses ticket #237, for which I was never
560 # able to create a failing unit test.
562 for i,item in enumerate(sorted(children.items())):
564 output.append(fireEventually(item))
567 self.dirnode_children = output
570 text, code = humanize_failure(f)
571 self.dirnode_children = None
572 self.dirnode_children_error = text
574 d.addCallbacks(_good, _bad)
577 def render_title(self, ctx, data):
578 si_s = abbreviated_dirnode(self.node)
579 header = ["Tahoe-LAFS - Directory SI=%s" % si_s]
580 if self.node.is_readonly():
581 header.append(" (read-only)")
583 header.append(" (modifiable)")
584 return ctx.tag[header]
586 def render_header(self, ctx, data):
587 si_s = abbreviated_dirnode(self.node)
588 header = ["Tahoe-LAFS Directory SI=", T.span(class_="data-chars")[si_s]]
589 if self.node.is_readonly():
590 header.append(" (read-only)")
591 return ctx.tag[header]
593 def render_welcome(self, ctx, data):
595 return T.div[T.a(href=link)["Return to Welcome page"]]
597 def render_show_readonly(self, ctx, data):
598 if self.node.is_readonly():
600 rocap = self.node.get_readonly_uri()
602 uri_link = "%s/uri/%s/" % (root, urllib.quote(rocap))
603 return ctx.tag[T.a(href=uri_link)["Read-Only Version"]]
605 def render_try_children(self, ctx, data):
606 # if the dirnode can be retrived, render a table of children.
607 # Otherwise, render an apologetic error message.
608 if self.dirnode_children is not None:
611 return T.div[T.p["Error reading directory:"],
612 T.p[self.dirnode_children_error]]
614 def data_children(self, ctx, data):
615 return self.dirnode_children
617 def render_row(self, ctx, data):
618 name, (target, metadata) = data
619 name = name.encode("utf-8")
620 assert not isinstance(name, unicode)
621 nameurl = urllib.quote(name, safe="") # encode any slashes too
624 here = "%s/uri/%s/" % (root, urllib.quote(self.node.get_uri()))
625 if self.node.is_readonly():
629 # this creates a button which will cause our child__delete method
630 # to be invoked, which deletes the file and then redirects the
631 # browser back to this directory
632 delete = T.form(action=here, method="post")[
633 T.input(type='hidden', name='t', value='delete'),
634 T.input(type='hidden', name='name', value=name),
635 T.input(type='hidden', name='when_done', value="."),
636 T.input(type='submit', value='del', name="del"),
639 rename = T.form(action=here, method="get")[
640 T.input(type='hidden', name='t', value='rename-form'),
641 T.input(type='hidden', name='name', value=name),
642 T.input(type='hidden', name='when_done', value="."),
643 T.input(type='submit', value='rename', name="rename"),
646 ctx.fillSlots("delete", delete)
647 ctx.fillSlots("rename", rename)
650 linkcrtime = metadata.get('tahoe', {}).get("linkcrtime")
651 if linkcrtime is not None:
652 times.append("lcr: " + time_format.iso_local(linkcrtime))
654 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
655 if "ctime" in metadata:
656 ctime = time_format.iso_local(metadata["ctime"])
657 times.append("c: " + ctime)
658 linkmotime = metadata.get('tahoe', {}).get("linkmotime")
659 if linkmotime is not None:
662 times.append("lmo: " + time_format.iso_local(linkmotime))
664 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
665 if "mtime" in metadata:
666 mtime = time_format.iso_local(metadata["mtime"])
669 times.append("m: " + mtime)
670 ctx.fillSlots("times", times)
672 assert IFilesystemNode.providedBy(target), target
673 writecap = target.get_uri() or ""
674 quoted_uri = urllib.quote(writecap, safe="") # escape slashes too
676 if IMutableFileNode.providedBy(target):
677 # to prevent javascript in displayed .html files from stealing a
678 # secret directory URI from the URL, send the browser to a URI-based
679 # page that doesn't know about the directory at all
680 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
682 ctx.fillSlots("filename",
683 T.a(href=dlurl)[html.escape(name)])
684 ctx.fillSlots("type", "SSK")
686 ctx.fillSlots("size", "?")
688 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
690 elif IFileNode.providedBy(target):
691 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
693 ctx.fillSlots("filename",
694 T.a(href=dlurl)[html.escape(name)])
695 ctx.fillSlots("type", "FILE")
697 ctx.fillSlots("size", target.get_size())
699 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
701 elif IDirectoryNode.providedBy(target):
703 uri_link = "%s/uri/%s/" % (root, urllib.quote(writecap))
704 ctx.fillSlots("filename",
705 T.a(href=uri_link)[html.escape(name)])
706 if not target.is_mutable():
708 elif target.is_readonly():
712 ctx.fillSlots("type", dirtype)
713 ctx.fillSlots("size", "-")
714 info_link = "%s/uri/%s/?t=info" % (root, quoted_uri)
718 ctx.fillSlots("filename", html.escape(name))
719 ctx.fillSlots("type", "?")
720 ctx.fillSlots("size", "-")
721 # use a directory-relative info link, so we can extract both the
722 # writecap and the readcap
723 info_link = "%s?t=info" % urllib.quote(name)
725 ctx.fillSlots("info", T.a(href=info_link)["More Info"])
729 def render_forms(self, ctx, data):
732 if self.node.is_readonly():
733 return T.div["No upload forms: directory is read-only"]
734 if self.dirnode_children is None:
735 return T.div["No upload forms: directory is unreadable"]
737 mkdir = T.form(action=".", method="post",
738 enctype="multipart/form-data")[
740 T.input(type="hidden", name="t", value="mkdir"),
741 T.input(type="hidden", name="when_done", value="."),
742 T.legend(class_="freeform-form-label")["Create a new directory in this directory"],
743 "New directory name: ",
744 T.input(type="text", name="name"), " ",
745 T.input(type="submit", value="Create"),
747 forms.append(T.div(class_="freeform-form")[mkdir])
749 upload = T.form(action=".", method="post",
750 enctype="multipart/form-data")[
752 T.input(type="hidden", name="t", value="upload"),
753 T.input(type="hidden", name="when_done", value="."),
754 T.legend(class_="freeform-form-label")["Upload a file to this directory"],
755 "Choose a file to upload: ",
756 T.input(type="file", name="file", class_="freeform-input-file"),
758 T.input(type="submit", value="Upload"),
760 T.input(type="checkbox", name="mutable"),
762 forms.append(T.div(class_="freeform-form")[upload])
764 mount = T.form(action=".", method="post",
765 enctype="multipart/form-data")[
767 T.input(type="hidden", name="t", value="uri"),
768 T.input(type="hidden", name="when_done", value="."),
769 T.legend(class_="freeform-form-label")["Add a link to a file or directory which is already in Tahoe-LAFS."],
771 T.input(type="text", name="name"), " ",
772 "URI of new child: ",
773 T.input(type="text", name="uri"), " ",
774 T.input(type="submit", value="Attach"),
776 forms.append(T.div(class_="freeform-form")[mount])
779 def render_results(self, ctx, data):
781 return get_arg(req, "results", "")
784 def DirectoryJSONMetadata(ctx, dirnode):
788 for name, (childnode, metadata) in children.iteritems():
789 assert IFilesystemNode.providedBy(childnode), childnode
790 rw_uri = childnode.get_uri()
791 ro_uri = childnode.get_readonly_uri()
792 if (IDirectoryNode.providedBy(childnode)
793 or IFileNode.providedBy(childnode)):
794 if childnode.is_readonly():
796 if IFileNode.providedBy(childnode):
797 kiddata = ("filenode", {'size': childnode.get_size(),
798 'mutable': childnode.is_mutable(),
800 elif IDirectoryNode.providedBy(childnode):
801 kiddata = ("dirnode", {'mutable': childnode.is_mutable(),
804 kiddata = ("unknown", {})
805 kiddata[1]["metadata"] = metadata
807 kiddata[1]["ro_uri"] = ro_uri
809 kiddata[1]["rw_uri"] = rw_uri
810 verifycap = childnode.get_verify_cap()
812 kiddata[1]['verify_uri'] = verifycap.to_string()
814 if dirnode.is_readonly():
816 dro_uri = dirnode.get_uri()
818 drw_uri = dirnode.get_uri()
819 dro_uri = dirnode.get_readonly_uri()
820 contents = { 'children': kids }
822 contents['ro_uri'] = dro_uri
824 contents['rw_uri'] = drw_uri
825 verifycap = dirnode.get_verify_cap()
827 contents['verify_uri'] = verifycap.to_string()
828 contents['mutable'] = dirnode.is_mutable()
829 data = ("dirnode", contents)
830 return simplejson.dumps(data, indent=1) + "\n"
832 d.addCallback(text_plain, ctx)
837 def DirectoryURI(ctx, dirnode):
838 return text_plain(dirnode.get_uri(), ctx)
840 def DirectoryReadonlyURI(ctx, dirnode):
841 return text_plain(dirnode.get_readonly_uri(), ctx)
843 class RenameForm(rend.Page):
845 docFactory = getxmlfile("rename-form.xhtml")
847 def render_title(self, ctx, data):
848 return ctx.tag["Directory SI=%s" % abbreviated_dirnode(self.original)]
850 def render_header(self, ctx, data):
852 "in directory SI=%s" % abbreviated_dirnode(self.original),
855 if self.original.is_readonly():
856 header.append(" (readonly!)")
858 return ctx.tag[header]
860 def render_when_done(self, ctx, data):
861 return T.input(type="hidden", name="when_done", value=".")
863 def render_get_name(self, ctx, data):
865 name = get_arg(req, "name", "")
866 ctx.tag.attributes['value'] = name
870 class ManifestResults(rend.Page, ReloadMixin):
871 docFactory = getxmlfile("manifest.xhtml")
873 def __init__(self, client, monitor):
875 self.monitor = monitor
877 def renderHTTP(self, ctx):
878 req = inevow.IRequest(ctx)
879 output = get_arg(req, "output", "html").lower()
881 return self.text(req)
883 return self.json(req)
884 return rend.Page.renderHTTP(self, ctx)
886 def slashify_path(self, path):
889 return "/".join([p.encode("utf-8") for p in path])
892 req.setHeader("content-type", "text/plain")
894 is_finished = self.monitor.is_finished()
895 lines.append("finished: " + {True: "yes", False: "no"}[is_finished])
896 for (path, cap) in self.monitor.get_status()["manifest"]:
897 lines.append(self.slashify_path(path) + " " + cap)
898 return "\n".join(lines) + "\n"
901 req.setHeader("content-type", "text/plain")
905 status = { "stats": s["stats"],
906 "finished": m.is_finished(),
907 "origin": base32.b2a(m.origin_si),
910 # don't return manifest/verifycaps/SIs unless the operation is
911 # done, to save on CPU/memory (both here and in the HTTP client
912 # who has to unpack the JSON). Tests show that the ManifestWalker
913 # needs about 1092 bytes per item, the JSON we generate here
914 # requires about 503 bytes per item, and some internal overhead
915 # (perhaps transport-layer buffers in twisted.web?) requires an
916 # additional 1047 bytes per item.
917 status.update({ "manifest": s["manifest"],
918 "verifycaps": [i for i in s["verifycaps"]],
919 "storage-index": [i for i in s["storage-index"]],
921 # simplejson doesn't know how to serialize a set. We use a
922 # generator that walks the set rather than list(setofthing) to
923 # save a small amount of memory (4B*len) and a moderate amount of
925 return simplejson.dumps(status, indent=1)
927 def _si_abbrev(self):
928 return base32.b2a(self.monitor.origin_si)[:6]
930 def render_title(self, ctx):
931 return T.title["Manifest of SI=%s" % self._si_abbrev()]
933 def render_header(self, ctx):
934 return T.p["Manifest of SI=%s" % self._si_abbrev()]
936 def data_items(self, ctx, data):
937 return self.monitor.get_status()["manifest"]
939 def render_row(self, ctx, (path, cap)):
940 ctx.fillSlots("path", self.slashify_path(path))
942 # TODO: we need a clean consistent way to get the type of a cap string
944 if cap.startswith("URI:CHK") or cap.startswith("URI:SSK"):
945 nameurl = urllib.quote(path[-1].encode("utf-8"))
946 uri_link = "%s/file/%s/@@named=/%s" % (root, urllib.quote(cap),
949 uri_link = "%s/uri/%s" % (root, urllib.quote(cap, safe=""))
950 ctx.fillSlots("cap", T.a(href=uri_link)[cap])
952 ctx.fillSlots("cap", "")
955 class DeepSizeResults(rend.Page):
956 def __init__(self, client, monitor):
958 self.monitor = monitor
960 def renderHTTP(self, ctx):
961 req = inevow.IRequest(ctx)
962 output = get_arg(req, "output", "html").lower()
963 req.setHeader("content-type", "text/plain")
965 return self.json(req)
967 is_finished = self.monitor.is_finished()
968 output = "finished: " + {True: "yes", False: "no"}[is_finished] + "\n"
970 stats = self.monitor.get_status()
971 total = (stats.get("size-immutable-files", 0)
972 + stats.get("size-mutable-files", 0)
973 + stats.get("size-directories", 0))
974 output += "size: %d\n" % total
978 status = {"finished": self.monitor.is_finished(),
979 "size": self.monitor.get_status(),
981 return simplejson.dumps(status)
983 class DeepStatsResults(rend.Page):
984 def __init__(self, client, monitor):
986 self.monitor = monitor
988 def renderHTTP(self, ctx):
990 inevow.IRequest(ctx).setHeader("content-type", "text/plain")
991 s = self.monitor.get_status().copy()
992 s["finished"] = self.monitor.is_finished()
993 return simplejson.dumps(s, indent=1)
995 class ManifestStreamer(dirnode.DeepStats):
996 implements(IPushProducer)
998 def __init__(self, ctx, origin):
999 dirnode.DeepStats.__init__(self, origin)
1000 self.req = IRequest(ctx)
1002 def setMonitor(self, monitor):
1003 self.monitor = monitor
1004 def pauseProducing(self):
1006 def resumeProducing(self):
1008 def stopProducing(self):
1009 self.monitor.cancel()
1011 def add_node(self, node, path):
1012 dirnode.DeepStats.add_node(self, node, path)
1014 "cap": node.get_uri()}
1016 if IDirectoryNode.providedBy(node):
1017 d["type"] = "directory"
1018 elif IFileNode.providedBy(node):
1021 d["type"] = "unknown"
1023 v = node.get_verify_cap()
1028 r = node.get_repair_cap()
1033 si = node.get_storage_index()
1036 d["storage-index"] = si
1038 j = simplejson.dumps(d, ensure_ascii=True)
1039 assert "\n" not in j
1040 self.req.write(j+"\n")
1043 stats = dirnode.DeepStats.get_results(self)
1044 d = {"type": "stats",
1047 j = simplejson.dumps(d, ensure_ascii=True)
1048 assert "\n" not in j
1049 self.req.write(j+"\n")
1052 class DeepCheckStreamer(dirnode.DeepStats):
1053 implements(IPushProducer)
1055 def __init__(self, ctx, origin, verify, repair, add_lease):
1056 dirnode.DeepStats.__init__(self, origin)
1057 self.req = IRequest(ctx)
1058 self.verify = verify
1059 self.repair = repair
1060 self.add_lease = add_lease
1062 def setMonitor(self, monitor):
1063 self.monitor = monitor
1064 def pauseProducing(self):
1066 def resumeProducing(self):
1068 def stopProducing(self):
1069 self.monitor.cancel()
1071 def add_node(self, node, path):
1072 dirnode.DeepStats.add_node(self, node, path)
1073 data = {"path": path,
1074 "cap": node.get_uri()}
1076 if IDirectoryNode.providedBy(node):
1077 data["type"] = "directory"
1079 data["type"] = "file"
1081 v = node.get_verify_cap()
1084 data["verifycap"] = v
1086 r = node.get_repair_cap()
1089 data["repaircap"] = r
1091 si = node.get_storage_index()
1094 data["storage-index"] = si
1097 d = node.check_and_repair(self.monitor, self.verify, self.add_lease)
1098 d.addCallback(self.add_check_and_repair, data)
1100 d = node.check(self.monitor, self.verify, self.add_lease)
1101 d.addCallback(self.add_check, data)
1102 d.addCallback(self.write_line)
1105 def add_check_and_repair(self, crr, data):
1106 data["check-and-repair-results"] = json_check_and_repair_results(crr)
1109 def add_check(self, cr, data):
1110 data["check-results"] = json_check_results(cr)
1113 def write_line(self, data):
1114 j = simplejson.dumps(data, ensure_ascii=True)
1115 assert "\n" not in j
1116 self.req.write(j+"\n")
1119 stats = dirnode.DeepStats.get_results(self)
1120 d = {"type": "stats",
1123 j = simplejson.dumps(d, ensure_ascii=True)
1124 assert "\n" not in j
1125 self.req.write(j+"\n")
1128 class UnknownNodeHandler(RenderMixin, rend.Page):
1130 def __init__(self, client, node, parentnode=None, name=None):
1131 rend.Page.__init__(self)
1135 def render_GET(self, ctx):
1137 t = get_arg(req, "t", "").strip()
1139 return MoreInfo(self.node)
1140 raise WebError("GET unknown URI type: can only do t=info, not t=%s" % t)