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 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, \
24 should_create_intermediate_directories, \
25 getxmlfile, RenderMixin, humanize_failure
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 raise WebError("Cannot provide handler for '%s'" % node)
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_empty_directory(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 if DEBUG: print " making final directory"
99 d = self.node.create_empty_directory(name)
100 d.addCallback(make_handler_for,
101 self.client, self.node, name)
103 if (method,t) in ( ("PUT",""), ("PUT","uri"), ):
104 if DEBUG: print " PUT, making leaf placeholder"
105 # we were trying to find the leaf filenode (to put a new
106 # file in its place), and it didn't exist. That's ok,
107 # since that's the leaf node that we're about to create.
108 # We make a dummy one, which will respond to the PUT
109 # request by replacing itself.
110 return PlaceHolderNodeHandler(self.client, self.node, name)
111 if DEBUG: print " 404"
112 # otherwise, we just return a no-such-child error
115 node = node_or_failure
116 if nonterminal and should_create_intermediate_directories(req):
117 if not IDirectoryNode.providedBy(node):
118 # we would have put a new directory here, but there was a
120 if DEBUG: print "blocking"
121 raise WebError("Unable to create directory '%s': "
122 "a file was in the way" % name,
124 if DEBUG: print "good child"
125 return make_handler_for(node, self.client, self.node, name)
127 def render_DELETE(self, ctx):
128 assert self.parentnode and self.name
129 d = self.parentnode.delete(self.name)
130 d.addCallback(lambda res: self.node.get_uri())
133 def render_GET(self, ctx):
135 # This is where all of the directory-related ?t=* code goes.
136 t = get_arg(req, "t", "").strip()
138 # render the directory as HTML, using the docFactory and Nevow's
139 # whole templating thing.
140 return DirectoryAsHTML(self.node)
143 return DirectoryJSONMetadata(ctx, self.node)
145 return MoreInfo(self.node)
147 return DirectoryURI(ctx, self.node)
148 if t == "readonly-uri":
149 return DirectoryReadonlyURI(ctx, self.node)
150 if t == 'rename-form':
151 return RenameForm(self.node)
153 raise WebError("GET directory: bad t=%s" % t)
155 def render_PUT(self, ctx):
157 t = get_arg(req, "t", "").strip()
158 replace = boolean_of_arg(get_arg(req, "replace", "true"))
160 # our job was done by the traversal/create-intermediate-directory
161 # process that got us here.
162 return text_plain(self.node.get_uri(), ctx) # TODO: urlencode
165 # they're trying to set_uri and that name is already occupied
167 raise ExistingChildError()
168 d = self.replace_me_with_a_childcap(req, self.client, replace)
172 raise WebError("PUT to a directory")
174 def render_POST(self, ctx):
176 t = get_arg(req, "t", "").strip()
179 d = self._POST_mkdir(req)
182 d = self._POST_mkdir_p(req)
184 d = self._POST_upload(ctx) # this one needs the context
186 d = self._POST_uri(req)
188 d = self._POST_delete(req)
190 d = self._POST_rename(req)
192 d = self._POST_check(req)
193 elif t == "start-deep-check":
194 d = self._POST_start_deep_check(ctx)
195 elif t == "stream-deep-check":
196 d = self._POST_stream_deep_check(ctx)
197 elif t == "start-manifest":
198 d = self._POST_start_manifest(ctx)
199 elif t == "start-deep-size":
200 d = self._POST_start_deep_size(ctx)
201 elif t == "start-deep-stats":
202 d = self._POST_start_deep_stats(ctx)
203 elif t == "stream-manifest":
204 d = self._POST_stream_manifest(ctx)
205 elif t == "set_children":
207 d = self._POST_set_children(req)
209 raise WebError("POST to a directory with bad t=%s" % t)
211 when_done = get_arg(req, "when_done", None)
213 d.addCallback(lambda res: url.URL.fromString(when_done))
216 def _POST_mkdir(self, req):
217 name = get_arg(req, "name", "")
219 # our job is done, it was handled by the code in got_child
220 # which created the final directory (i.e. us)
221 return defer.succeed(self.node.get_uri()) # TODO: urlencode
222 name = name.decode("utf-8")
223 replace = boolean_of_arg(get_arg(req, "replace", "true"))
224 d = self.node.create_empty_directory(name, overwrite=replace)
225 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
228 def _POST_mkdir_p(self, req):
229 path = get_arg(req, "path")
231 raise WebError("mkdir-p requires a path")
232 path_ = tuple([seg.decode("utf-8") for seg in path.split('/') if seg ])
234 d = self._get_or_create_directories(self.node, path_)
235 d.addCallback(lambda node: node.get_uri())
238 def _get_or_create_directories(self, node, path):
239 if not IDirectoryNode.providedBy(node):
240 # unfortunately it is too late to provide the name of the
241 # blocking directory in the error message.
242 raise BlockingFileError("cannot create directory because there "
243 "is a file in the way")
245 return defer.succeed(node)
246 d = node.get(path[0])
247 def _maybe_create(f):
248 f.trap(NoSuchChildError)
249 return node.create_empty_directory(path[0])
250 d.addErrback(_maybe_create)
251 d.addCallback(self._get_or_create_directories, path[1:])
254 def _POST_upload(self, ctx):
256 charset = get_arg(req, "_charset", "utf-8")
257 contents = req.fields["file"]
258 assert contents.filename is None or isinstance(contents.filename, str)
259 name = get_arg(req, "name")
260 name = name or contents.filename
264 # this prohibts empty, missing, and all-whitespace filenames
265 raise WebError("upload requires a name")
266 assert isinstance(name, str)
267 name = name.decode(charset)
269 raise WebError("name= may not contain a slash", http.BAD_REQUEST)
270 assert isinstance(name, unicode)
272 # since POST /uri/path/file?t=upload is equivalent to
273 # POST /uri/path/dir?t=upload&name=foo, just do the same thing that
274 # childFactory would do. Things are cleaner if we only do a subset of
275 # them, though, so we don't do: d = self.childFactory(ctx, name)
277 d = self.node.get(name)
278 def _maybe_got_node(node_or_failure):
279 if isinstance(node_or_failure, Failure):
281 f.trap(NoSuchChildError)
282 # create a placeholder which will see POST t=upload
283 return PlaceHolderNodeHandler(self.client, self.node, name)
285 node = node_or_failure
286 return make_handler_for(node, self.client, self.node, name)
287 d.addBoth(_maybe_got_node)
288 # now we have a placeholder or a filenodehandler, and we can just
289 # delegate to it. We could return the resource back out of
290 # DirectoryNodeHandler.renderHTTP, and nevow would recurse into it,
291 # but the addCallback() that handles when_done= would break.
292 d.addCallback(lambda child: child.renderHTTP(ctx))
295 def _POST_uri(self, req):
296 childcap = get_arg(req, "uri")
298 raise WebError("set-uri requires a uri")
299 name = get_arg(req, "name")
301 raise WebError("set-uri requires a name")
302 charset = get_arg(req, "_charset", "utf-8")
303 name = name.decode(charset)
304 replace = boolean_of_arg(get_arg(req, "replace", "true"))
305 d = self.node.set_uri(name, childcap, overwrite=replace)
306 d.addCallback(lambda res: childcap)
309 def _POST_delete(self, req):
310 name = get_arg(req, "name")
312 # apparently an <input type="hidden" name="name" value="">
313 # won't show up in the resulting encoded form.. the 'name'
314 # field is completely missing. So to allow deletion of an
315 # empty file, we have to pretend that None means ''. The only
316 # downide of this is a slightly confusing error message if
317 # someone does a POST without a name= field. For our own HTML
318 # thisn't a big deal, because we create the 'delete' POST
321 charset = get_arg(req, "_charset", "utf-8")
322 name = name.decode(charset)
323 d = self.node.delete(name)
324 d.addCallback(lambda res: "thing deleted")
327 def _POST_rename(self, req):
328 charset = get_arg(req, "_charset", "utf-8")
329 from_name = get_arg(req, "from_name")
330 if from_name is not None:
331 from_name = from_name.strip()
332 from_name = from_name.decode(charset)
333 assert isinstance(from_name, unicode)
334 to_name = get_arg(req, "to_name")
335 if to_name is not None:
336 to_name = to_name.strip()
337 to_name = to_name.decode(charset)
338 assert isinstance(to_name, unicode)
339 if not from_name or not to_name:
340 raise WebError("rename requires from_name and to_name")
341 if from_name == to_name:
342 return defer.succeed("redundant rename")
344 # allow from_name to contain slashes, so they can fix names that were
345 # accidentally created with them. But disallow them in to_name, to
346 # discourage the practice.
348 raise WebError("to_name= may not contain a slash", http.BAD_REQUEST)
350 replace = boolean_of_arg(get_arg(req, "replace", "true"))
351 d = self.node.move_child_to(from_name, self.node, to_name, replace)
352 d.addCallback(lambda res: "thing renamed")
355 def _POST_check(self, req):
356 # check this directory
357 verify = boolean_of_arg(get_arg(req, "verify", "false"))
358 repair = boolean_of_arg(get_arg(req, "repair", "false"))
359 add_lease = boolean_of_arg(get_arg(req, "add-lease", "false"))
361 d = self.node.check_and_repair(Monitor(), verify, add_lease)
362 d.addCallback(lambda res: CheckAndRepairResults(self.client, res))
364 d = self.node.check(Monitor(), verify, add_lease)
365 d.addCallback(lambda res: CheckResults(self.client, res))
368 def _start_operation(self, monitor, renderer, ctx):
369 table = IOpHandleTable(ctx)
370 table.add_monitor(ctx, monitor, renderer)
371 return table.redirect_to(ctx)
373 def _POST_start_deep_check(self, ctx):
374 # check this directory and everything reachable from it
375 if not get_arg(ctx, "ophandle"):
376 raise NeedOperationHandleError("slow operation requires ophandle=")
377 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
378 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
379 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
381 monitor = self.node.start_deep_check_and_repair(verify, add_lease)
382 renderer = DeepCheckAndRepairResults(self.client, monitor)
384 monitor = self.node.start_deep_check(verify, add_lease)
385 renderer = DeepCheckResults(self.client, monitor)
386 return self._start_operation(monitor, renderer, ctx)
388 def _POST_stream_deep_check(self, ctx):
389 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
390 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
391 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
392 walker = DeepCheckStreamer(ctx, self.node, verify, repair, add_lease)
393 monitor = self.node.deep_traverse(walker)
394 walker.setMonitor(monitor)
395 # register to hear stopProducing. The walker ignores pauseProducing.
396 IRequest(ctx).registerProducer(walker, True)
397 d = monitor.when_done()
399 IRequest(ctx).unregisterProducer()
403 f.trap(OperationCancelledError)
404 return "Operation Cancelled"
405 d.addErrback(_cancelled)
407 # signal the error as a non-JSON "ERROR:" line, plus exception
408 msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__,
409 ", ".join([str(a) for a in f.value.args]))
415 def _POST_start_manifest(self, ctx):
416 if not get_arg(ctx, "ophandle"):
417 raise NeedOperationHandleError("slow operation requires ophandle=")
418 monitor = self.node.build_manifest()
419 renderer = ManifestResults(self.client, monitor)
420 return self._start_operation(monitor, renderer, ctx)
422 def _POST_start_deep_size(self, ctx):
423 if not get_arg(ctx, "ophandle"):
424 raise NeedOperationHandleError("slow operation requires ophandle=")
425 monitor = self.node.start_deep_stats()
426 renderer = DeepSizeResults(self.client, monitor)
427 return self._start_operation(monitor, renderer, ctx)
429 def _POST_start_deep_stats(self, ctx):
430 if not get_arg(ctx, "ophandle"):
431 raise NeedOperationHandleError("slow operation requires ophandle=")
432 monitor = self.node.start_deep_stats()
433 renderer = DeepStatsResults(self.client, monitor)
434 return self._start_operation(monitor, renderer, ctx)
436 def _POST_stream_manifest(self, ctx):
437 walker = ManifestStreamer(ctx, self.node)
438 monitor = self.node.deep_traverse(walker)
439 walker.setMonitor(monitor)
440 # register to hear stopProducing. The walker ignores pauseProducing.
441 IRequest(ctx).registerProducer(walker, True)
442 d = monitor.when_done()
444 IRequest(ctx).unregisterProducer()
448 f.trap(OperationCancelledError)
449 return "Operation Cancelled"
450 d.addErrback(_cancelled)
452 # signal the error as a non-JSON "ERROR:" line, plus exception
453 msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__,
454 ", ".join([str(a) for a in f.value.args]))
460 def _POST_set_children(self, req):
461 replace = boolean_of_arg(get_arg(req, "replace", "true"))
463 body = req.content.read()
465 children = simplejson.loads(body)
466 except ValueError, le:
467 le.args = tuple(le.args + (body,))
468 # TODO test handling of bad JSON
471 for name, (file_or_dir, mddict) in children.iteritems():
472 name = unicode(name) # simplejson-2.0.1 returns str *or* unicode
473 cap = str(mddict.get('rw_uri') or mddict.get('ro_uri'))
474 cs.append((name, cap, mddict.get('metadata')))
475 d = self.node.set_children(cs, replace)
476 d.addCallback(lambda res: "Okay so I did it.")
480 def abbreviated_dirnode(dirnode):
481 u = from_string_dirnode(dirnode.get_uri())
484 class DirectoryAsHTML(rend.Page):
485 # The remainder of this class is to render the directory into
486 # human+browser -oriented HTML.
487 docFactory = getxmlfile("directory.xhtml")
490 def __init__(self, node):
491 rend.Page.__init__(self)
494 def beforeRender(self, ctx):
495 # attempt to get the dirnode's children, stashing them (or the
496 # failure that results) for later use
499 # Deferreds don't optimize out tail recursion, and the way
500 # Nevow's flattener handles Deferreds doesn't take this into
501 # account. As a result, large lists of Deferreds that fire in the
502 # same turn (i.e. the output of defer.succeed) will cause a stack
503 # overflow. To work around this, we insert a turn break after
504 # every 100 items, using foolscap's fireEventually(). This gives
505 # the stack a chance to be popped. It would also work to put
506 # every item in its own turn, but that'd be a lot more
507 # inefficient. This addresses ticket #237, for which I was never
508 # able to create a failing unit test.
510 for i,item in enumerate(sorted(children.items())):
512 output.append(fireEventually(item))
515 self.dirnode_children = output
518 text, code = humanize_failure(f)
519 self.dirnode_children = None
520 self.dirnode_children_error = text
522 d.addCallbacks(_good, _bad)
525 def render_title(self, ctx, data):
526 si_s = abbreviated_dirnode(self.node)
527 header = ["Directory SI=%s" % si_s]
528 return ctx.tag[header]
530 def render_header(self, ctx, data):
531 si_s = abbreviated_dirnode(self.node)
532 header = ["Directory SI=%s" % si_s]
533 if self.node.is_readonly():
534 header.append(" (readonly)")
535 return ctx.tag[header]
537 def render_welcome(self, ctx, data):
539 return T.div[T.a(href=link)["Return to Welcome page"]]
541 def render_show_readonly(self, ctx, data):
542 if self.node.is_readonly():
544 rocap = self.node.get_readonly_uri()
546 uri_link = "%s/uri/%s/" % (root, urllib.quote(rocap))
547 return ctx.tag[T.a(href=uri_link)["Read-Only Version"]]
549 def render_try_children(self, ctx, data):
550 # if the dirnode can be retrived, render a table of children.
551 # Otherwise, render an apologetic error message.
552 if self.dirnode_children is not None:
555 return T.div[T.p["Error reading directory:"],
556 T.p[self.dirnode_children_error]]
558 def data_children(self, ctx, data):
559 return self.dirnode_children
561 def render_row(self, ctx, data):
562 name, (target, metadata) = data
563 name = name.encode("utf-8")
564 assert not isinstance(name, unicode)
565 nameurl = urllib.quote(name, safe="") # encode any slashes too
568 here = "%s/uri/%s/" % (root, urllib.quote(self.node.get_uri()))
569 if self.node.is_readonly():
573 # this creates a button which will cause our child__delete method
574 # to be invoked, which deletes the file and then redirects the
575 # browser back to this directory
576 delete = T.form(action=here, method="post")[
577 T.input(type='hidden', name='t', value='delete'),
578 T.input(type='hidden', name='name', value=name),
579 T.input(type='hidden', name='when_done', value="."),
580 T.input(type='submit', value='del', name="del"),
583 rename = T.form(action=here, method="get")[
584 T.input(type='hidden', name='t', value='rename-form'),
585 T.input(type='hidden', name='name', value=name),
586 T.input(type='hidden', name='when_done', value="."),
587 T.input(type='submit', value='rename', name="rename"),
590 ctx.fillSlots("delete", delete)
591 ctx.fillSlots("rename", rename)
594 linkcrtime = metadata.get('tahoe', {}).get("linkcrtime")
595 if linkcrtime is not None:
596 times.append("lcr: " + time_format.iso_local(linkcrtime))
598 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
599 if "ctime" in metadata:
600 ctime = time_format.iso_local(metadata["ctime"])
601 times.append("c: " + ctime)
602 linkmotime = metadata.get('tahoe', {}).get("linkmotime")
603 if linkmotime is not None:
606 times.append("lmo: " + time_format.iso_local(linkmotime))
608 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
609 if "mtime" in metadata:
610 mtime = time_format.iso_local(metadata["mtime"])
613 times.append("m: " + mtime)
614 ctx.fillSlots("times", times)
616 assert (IFileNode.providedBy(target)
617 or IDirectoryNode.providedBy(target)
618 or IMutableFileNode.providedBy(target)), target
620 quoted_uri = urllib.quote(target.get_uri())
622 if IMutableFileNode.providedBy(target):
623 # to prevent javascript in displayed .html files from stealing a
624 # secret directory URI from the URL, send the browser to a URI-based
625 # page that doesn't know about the directory at all
626 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
628 ctx.fillSlots("filename",
629 T.a(href=dlurl)[html.escape(name)])
630 ctx.fillSlots("type", "SSK")
632 ctx.fillSlots("size", "?")
634 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
636 elif IFileNode.providedBy(target):
637 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
639 ctx.fillSlots("filename",
640 T.a(href=dlurl)[html.escape(name)])
641 ctx.fillSlots("type", "FILE")
643 ctx.fillSlots("size", target.get_size())
645 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
647 elif IDirectoryNode.providedBy(target):
649 uri_link = "%s/uri/%s/" % (root, urllib.quote(target.get_uri()))
650 ctx.fillSlots("filename",
651 T.a(href=uri_link)[html.escape(name)])
652 if target.is_readonly():
656 ctx.fillSlots("type", dirtype)
657 ctx.fillSlots("size", "-")
658 info_link = "%s/uri/%s/?t=info" % (root, quoted_uri)
660 ctx.fillSlots("info", T.a(href=info_link)["More Info"])
664 def render_forms(self, ctx, data):
667 if self.node.is_readonly():
668 return T.div["No upload forms: directory is read-only"]
669 if self.dirnode_children is None:
670 return T.div["No upload forms: directory is unreadable"]
672 mkdir = T.form(action=".", method="post",
673 enctype="multipart/form-data")[
675 T.input(type="hidden", name="t", value="mkdir"),
676 T.input(type="hidden", name="when_done", value="."),
677 T.legend(class_="freeform-form-label")["Create a new directory"],
678 "New directory name: ",
679 T.input(type="text", name="name"), " ",
680 T.input(type="submit", value="Create"),
682 forms.append(T.div(class_="freeform-form")[mkdir])
684 upload = T.form(action=".", method="post",
685 enctype="multipart/form-data")[
687 T.input(type="hidden", name="t", value="upload"),
688 T.input(type="hidden", name="when_done", value="."),
689 T.legend(class_="freeform-form-label")["Upload a file to this directory"],
690 "Choose a file to upload: ",
691 T.input(type="file", name="file", class_="freeform-input-file"),
693 T.input(type="submit", value="Upload"),
695 T.input(type="checkbox", name="mutable"),
697 forms.append(T.div(class_="freeform-form")[upload])
699 mount = T.form(action=".", method="post",
700 enctype="multipart/form-data")[
702 T.input(type="hidden", name="t", value="uri"),
703 T.input(type="hidden", name="when_done", value="."),
704 T.legend(class_="freeform-form-label")["Attach a file or directory"
708 T.input(type="text", name="name"), " ",
709 "URI of new child: ",
710 T.input(type="text", name="uri"), " ",
711 T.input(type="submit", value="Attach"),
713 forms.append(T.div(class_="freeform-form")[mount])
716 def render_results(self, ctx, data):
718 return get_arg(req, "results", "")
721 def DirectoryJSONMetadata(ctx, dirnode):
725 for name, (childnode, metadata) in children.iteritems():
726 if childnode.is_readonly():
728 ro_uri = childnode.get_uri()
730 rw_uri = childnode.get_uri()
731 ro_uri = childnode.get_readonly_uri()
732 if IFileNode.providedBy(childnode):
733 kiddata = ("filenode", {'size': childnode.get_size(),
734 'metadata': metadata,
737 assert IDirectoryNode.providedBy(childnode), (childnode,
739 kiddata = ("dirnode", {'metadata': metadata})
741 kiddata[1]["ro_uri"] = ro_uri
743 kiddata[1]["rw_uri"] = rw_uri
744 verifycap = childnode.get_verify_cap()
746 kiddata[1]['verify_uri'] = verifycap.to_string()
747 kiddata[1]['mutable'] = childnode.is_mutable()
749 if dirnode.is_readonly():
751 dro_uri = dirnode.get_uri()
753 drw_uri = dirnode.get_uri()
754 dro_uri = dirnode.get_readonly_uri()
755 contents = { 'children': kids }
757 contents['ro_uri'] = dro_uri
759 contents['rw_uri'] = drw_uri
760 verifycap = dirnode.get_verify_cap()
762 contents['verify_uri'] = verifycap.to_string()
763 contents['mutable'] = dirnode.is_mutable()
764 data = ("dirnode", contents)
765 return simplejson.dumps(data, indent=1) + "\n"
767 d.addCallback(text_plain, ctx)
772 def DirectoryURI(ctx, dirnode):
773 return text_plain(dirnode.get_uri(), ctx)
775 def DirectoryReadonlyURI(ctx, dirnode):
776 return text_plain(dirnode.get_readonly_uri(), ctx)
778 class RenameForm(rend.Page):
780 docFactory = getxmlfile("rename-form.xhtml")
782 def render_title(self, ctx, data):
783 return ctx.tag["Directory SI=%s" % abbreviated_dirnode(self.original)]
785 def render_header(self, ctx, data):
787 "in directory SI=%s" % abbreviated_dirnode(self.original),
790 if self.original.is_readonly():
791 header.append(" (readonly!)")
793 return ctx.tag[header]
795 def render_when_done(self, ctx, data):
796 return T.input(type="hidden", name="when_done", value=".")
798 def render_get_name(self, ctx, data):
800 name = get_arg(req, "name", "")
801 ctx.tag.attributes['value'] = name
805 class ManifestResults(rend.Page, ReloadMixin):
806 docFactory = getxmlfile("manifest.xhtml")
808 def __init__(self, client, monitor):
810 self.monitor = monitor
812 def renderHTTP(self, ctx):
813 req = inevow.IRequest(ctx)
814 output = get_arg(req, "output", "html").lower()
816 return self.text(req)
818 return self.json(req)
819 return rend.Page.renderHTTP(self, ctx)
821 def slashify_path(self, path):
824 return "/".join([p.encode("utf-8") for p in path])
827 req.setHeader("content-type", "text/plain")
829 is_finished = self.monitor.is_finished()
830 lines.append("finished: " + {True: "yes", False: "no"}[is_finished])
831 for (path, cap) in self.monitor.get_status()["manifest"]:
832 lines.append(self.slashify_path(path) + " " + cap)
833 return "\n".join(lines) + "\n"
836 req.setHeader("content-type", "text/plain")
840 status = { "stats": s["stats"],
841 "finished": m.is_finished(),
842 "origin": base32.b2a(m.origin_si),
845 # don't return manifest/verifycaps/SIs unless the operation is
846 # done, to save on CPU/memory (both here and in the HTTP client
847 # who has to unpack the JSON). Tests show that the ManifestWalker
848 # needs about 1092 bytes per item, the JSON we generate here
849 # requires about 503 bytes per item, and some internal overhead
850 # (perhaps transport-layer buffers in twisted.web?) requires an
851 # additional 1047 bytes per item.
852 status.update({ "manifest": s["manifest"],
853 "verifycaps": [i for i in s["verifycaps"]],
854 "storage-index": [i for i in s["storage-index"]],
856 # simplejson doesn't know how to serialize a set. We use a
857 # generator that walks the set rather than list(setofthing) to
858 # save a small amount of memory (4B*len) and a moderate amount of
860 return simplejson.dumps(status, indent=1)
862 def _si_abbrev(self):
863 return base32.b2a(self.monitor.origin_si)[:6]
865 def render_title(self, ctx):
866 return T.title["Manifest of SI=%s" % self._si_abbrev()]
868 def render_header(self, ctx):
869 return T.p["Manifest of SI=%s" % self._si_abbrev()]
871 def data_items(self, ctx, data):
872 return self.monitor.get_status()["manifest"]
874 def render_row(self, ctx, (path, cap)):
875 ctx.fillSlots("path", self.slashify_path(path))
877 # TODO: we need a clean consistent way to get the type of a cap string
878 if cap.startswith("URI:CHK") or cap.startswith("URI:SSK"):
879 nameurl = urllib.quote(path[-1].encode("utf-8"))
880 uri_link = "%s/file/%s/@@named=/%s" % (root, urllib.quote(cap),
883 uri_link = "%s/uri/%s" % (root, urllib.quote(cap))
884 ctx.fillSlots("cap", T.a(href=uri_link)[cap])
887 class DeepSizeResults(rend.Page):
888 def __init__(self, client, monitor):
890 self.monitor = monitor
892 def renderHTTP(self, ctx):
893 req = inevow.IRequest(ctx)
894 output = get_arg(req, "output", "html").lower()
895 req.setHeader("content-type", "text/plain")
897 return self.json(req)
899 is_finished = self.monitor.is_finished()
900 output = "finished: " + {True: "yes", False: "no"}[is_finished] + "\n"
902 stats = self.monitor.get_status()
903 total = (stats.get("size-immutable-files", 0)
904 + stats.get("size-mutable-files", 0)
905 + stats.get("size-directories", 0))
906 output += "size: %d\n" % total
910 status = {"finished": self.monitor.is_finished(),
911 "size": self.monitor.get_status(),
913 return simplejson.dumps(status)
915 class DeepStatsResults(rend.Page):
916 def __init__(self, client, monitor):
918 self.monitor = monitor
920 def renderHTTP(self, ctx):
922 inevow.IRequest(ctx).setHeader("content-type", "text/plain")
923 s = self.monitor.get_status().copy()
924 s["finished"] = self.monitor.is_finished()
925 return simplejson.dumps(s, indent=1)
927 class ManifestStreamer(dirnode.DeepStats):
928 implements(IPushProducer)
930 def __init__(self, ctx, origin):
931 dirnode.DeepStats.__init__(self, origin)
932 self.req = IRequest(ctx)
934 def setMonitor(self, monitor):
935 self.monitor = monitor
936 def pauseProducing(self):
938 def resumeProducing(self):
940 def stopProducing(self):
941 self.monitor.cancel()
943 def add_node(self, node, path):
944 dirnode.DeepStats.add_node(self, node, path)
946 "cap": node.get_uri()}
948 if IDirectoryNode.providedBy(node):
949 d["type"] = "directory"
953 v = node.get_verify_cap()
958 r = node.get_repair_cap()
963 si = node.get_storage_index()
966 d["storage-index"] = si
968 j = simplejson.dumps(d, ensure_ascii=True)
970 self.req.write(j+"\n")
973 stats = dirnode.DeepStats.get_results(self)
974 d = {"type": "stats",
977 j = simplejson.dumps(d, ensure_ascii=True)
979 self.req.write(j+"\n")
982 class DeepCheckStreamer(dirnode.DeepStats):
983 implements(IPushProducer)
985 def __init__(self, ctx, origin, verify, repair, add_lease):
986 dirnode.DeepStats.__init__(self, origin)
987 self.req = IRequest(ctx)
990 self.add_lease = add_lease
992 def setMonitor(self, monitor):
993 self.monitor = monitor
994 def pauseProducing(self):
996 def resumeProducing(self):
998 def stopProducing(self):
999 self.monitor.cancel()
1001 def add_node(self, node, path):
1002 dirnode.DeepStats.add_node(self, node, path)
1003 data = {"path": path,
1004 "cap": node.get_uri()}
1006 if IDirectoryNode.providedBy(node):
1007 data["type"] = "directory"
1009 data["type"] = "file"
1011 v = node.get_verify_cap()
1014 data["verifycap"] = v
1016 r = node.get_repair_cap()
1019 data["repaircap"] = r
1021 si = node.get_storage_index()
1024 data["storage-index"] = si
1027 d = node.check_and_repair(self.monitor, self.verify, self.add_lease)
1028 d.addCallback(self.add_check_and_repair, data)
1030 d = node.check(self.monitor, self.verify, self.add_lease)
1031 d.addCallback(self.add_check, data)
1032 d.addCallback(self.write_line)
1035 def add_check_and_repair(self, crr, data):
1036 data["check-and-repair-results"] = json_check_and_repair_results(crr)
1039 def add_check(self, cr, data):
1040 data["check-results"] = json_check_results(cr)
1043 def write_line(self, data):
1044 j = simplejson.dumps(data, ensure_ascii=True)
1045 assert "\n" not in j
1046 self.req.write(j+"\n")
1049 stats = dirnode.DeepStats.get_results(self)
1050 d = {"type": "stats",
1053 j = simplejson.dumps(d, ensure_ascii=True)
1054 assert "\n" not in j
1055 self.req.write(j+"\n")