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
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_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 = parse_replace_arg(get_arg(req, "replace", "true"))
161 # our job was done by the traversal/create-intermediate-directory
162 # process that got us here.
163 return text_plain(self.node.get_uri(), ctx) # TODO: urlencode
166 # they're trying to set_uri and that name is already occupied
168 raise ExistingChildError()
169 d = self.replace_me_with_a_childcap(req, self.client, replace)
173 raise WebError("PUT to a directory")
175 def render_POST(self, ctx):
177 t = get_arg(req, "t", "").strip()
180 d = self._POST_mkdir(req)
183 d = self._POST_mkdir_p(req)
185 d = self._POST_upload(ctx) # this one needs the context
187 d = self._POST_uri(req)
189 d = self._POST_delete(req)
191 d = self._POST_rename(req)
193 d = self._POST_check(req)
194 elif t == "start-deep-check":
195 d = self._POST_start_deep_check(ctx)
196 elif t == "stream-deep-check":
197 d = self._POST_stream_deep_check(ctx)
198 elif t == "start-manifest":
199 d = self._POST_start_manifest(ctx)
200 elif t == "start-deep-size":
201 d = self._POST_start_deep_size(ctx)
202 elif t == "start-deep-stats":
203 d = self._POST_start_deep_stats(ctx)
204 elif t == "stream-manifest":
205 d = self._POST_stream_manifest(ctx)
206 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, 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 writecap = mddict.get('rw_uri')
474 if writecap is not None:
475 writecap = str(writecap)
476 readcap = mddict.get('ro_uri')
477 if readcap is not None:
478 readcap = str(readcap)
479 cs[name] = (writecap, readcap, mddict.get('metadata'))
480 d = self.node.set_children(cs, replace)
481 d.addCallback(lambda res: "Okay so I did it.")
485 def abbreviated_dirnode(dirnode):
486 u = from_string_dirnode(dirnode.get_uri())
489 class DirectoryAsHTML(rend.Page):
490 # The remainder of this class is to render the directory into
491 # human+browser -oriented HTML.
492 docFactory = getxmlfile("directory.xhtml")
495 def __init__(self, node):
496 rend.Page.__init__(self)
499 def beforeRender(self, ctx):
500 # attempt to get the dirnode's children, stashing them (or the
501 # failure that results) for later use
504 # Deferreds don't optimize out tail recursion, and the way
505 # Nevow's flattener handles Deferreds doesn't take this into
506 # account. As a result, large lists of Deferreds that fire in the
507 # same turn (i.e. the output of defer.succeed) will cause a stack
508 # overflow. To work around this, we insert a turn break after
509 # every 100 items, using foolscap's fireEventually(). This gives
510 # the stack a chance to be popped. It would also work to put
511 # every item in its own turn, but that'd be a lot more
512 # inefficient. This addresses ticket #237, for which I was never
513 # able to create a failing unit test.
515 for i,item in enumerate(sorted(children.items())):
517 output.append(fireEventually(item))
520 self.dirnode_children = output
523 text, code = humanize_failure(f)
524 self.dirnode_children = None
525 self.dirnode_children_error = text
527 d.addCallbacks(_good, _bad)
530 def render_title(self, ctx, data):
531 si_s = abbreviated_dirnode(self.node)
532 header = ["TahoeLAFS - Directory SI=%s" % si_s]
533 if self.node.is_readonly():
534 header.append(" (read-only)")
536 header.append(" (modifiable)")
537 return ctx.tag[header]
539 def render_header(self, ctx, data):
540 si_s = abbreviated_dirnode(self.node)
541 header = ["TahoeLAFS Directory SI=", T.span(class_="data-chars")[si_s]]
542 if self.node.is_readonly():
543 header.append(" (read-only)")
544 return ctx.tag[header]
546 def render_welcome(self, ctx, data):
548 return T.div[T.a(href=link)["Return to Welcome page"]]
550 def render_show_readonly(self, ctx, data):
551 if self.node.is_readonly():
553 rocap = self.node.get_readonly_uri()
555 uri_link = "%s/uri/%s/" % (root, urllib.quote(rocap))
556 return ctx.tag[T.a(href=uri_link)["Read-Only Version"]]
558 def render_try_children(self, ctx, data):
559 # if the dirnode can be retrived, render a table of children.
560 # Otherwise, render an apologetic error message.
561 if self.dirnode_children is not None:
564 return T.div[T.p["Error reading directory:"],
565 T.p[self.dirnode_children_error]]
567 def data_children(self, ctx, data):
568 return self.dirnode_children
570 def render_row(self, ctx, data):
571 name, (target, metadata) = data
572 name = name.encode("utf-8")
573 assert not isinstance(name, unicode)
574 nameurl = urllib.quote(name, safe="") # encode any slashes too
577 here = "%s/uri/%s/" % (root, urllib.quote(self.node.get_uri()))
578 if self.node.is_readonly():
582 # this creates a button which will cause our child__delete method
583 # to be invoked, which deletes the file and then redirects the
584 # browser back to this directory
585 delete = T.form(action=here, method="post")[
586 T.input(type='hidden', name='t', value='delete'),
587 T.input(type='hidden', name='name', value=name),
588 T.input(type='hidden', name='when_done', value="."),
589 T.input(type='submit', value='del', name="del"),
592 rename = T.form(action=here, method="get")[
593 T.input(type='hidden', name='t', value='rename-form'),
594 T.input(type='hidden', name='name', value=name),
595 T.input(type='hidden', name='when_done', value="."),
596 T.input(type='submit', value='rename', name="rename"),
599 ctx.fillSlots("delete", delete)
600 ctx.fillSlots("rename", rename)
603 linkcrtime = metadata.get('tahoe', {}).get("linkcrtime")
604 if linkcrtime is not None:
605 times.append("lcr: " + time_format.iso_local(linkcrtime))
607 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
608 if "ctime" in metadata:
609 ctime = time_format.iso_local(metadata["ctime"])
610 times.append("c: " + ctime)
611 linkmotime = metadata.get('tahoe', {}).get("linkmotime")
612 if linkmotime is not None:
615 times.append("lmo: " + time_format.iso_local(linkmotime))
617 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
618 if "mtime" in metadata:
619 mtime = time_format.iso_local(metadata["mtime"])
622 times.append("m: " + mtime)
623 ctx.fillSlots("times", times)
625 assert IFilesystemNode.providedBy(target), target
626 writecap = target.get_uri() or ""
627 quoted_uri = urllib.quote(writecap, safe="") # escape slashes too
629 if IMutableFileNode.providedBy(target):
630 # to prevent javascript in displayed .html files from stealing a
631 # secret directory URI from the URL, send the browser to a URI-based
632 # page that doesn't know about the directory at all
633 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
635 ctx.fillSlots("filename",
636 T.a(href=dlurl)[html.escape(name)])
637 ctx.fillSlots("type", "SSK")
639 ctx.fillSlots("size", "?")
641 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
643 elif IFileNode.providedBy(target):
644 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
646 ctx.fillSlots("filename",
647 T.a(href=dlurl)[html.escape(name)])
648 ctx.fillSlots("type", "FILE")
650 ctx.fillSlots("size", target.get_size())
652 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
654 elif IDirectoryNode.providedBy(target):
656 uri_link = "%s/uri/%s/" % (root, urllib.quote(writecap))
657 ctx.fillSlots("filename",
658 T.a(href=uri_link)[html.escape(name)])
659 if target.is_readonly():
663 ctx.fillSlots("type", dirtype)
664 ctx.fillSlots("size", "-")
665 info_link = "%s/uri/%s/?t=info" % (root, quoted_uri)
669 ctx.fillSlots("filename", html.escape(name))
670 ctx.fillSlots("type", "?")
671 ctx.fillSlots("size", "-")
672 # use a directory-relative info link, so we can extract both the
673 # writecap and the readcap
674 info_link = "%s?t=info" % urllib.quote(name)
676 ctx.fillSlots("info", T.a(href=info_link)["More Info"])
680 def render_forms(self, ctx, data):
683 if self.node.is_readonly():
684 return T.div["No upload forms: directory is read-only"]
685 if self.dirnode_children is None:
686 return T.div["No upload forms: directory is unreadable"]
688 mkdir = T.form(action=".", method="post",
689 enctype="multipart/form-data")[
691 T.input(type="hidden", name="t", value="mkdir"),
692 T.input(type="hidden", name="when_done", value="."),
693 T.legend(class_="freeform-form-label")["Create a new directory in this directory"],
694 "New directory name: ",
695 T.input(type="text", name="name"), " ",
696 T.input(type="submit", value="Create"),
698 forms.append(T.div(class_="freeform-form")[mkdir])
700 upload = T.form(action=".", method="post",
701 enctype="multipart/form-data")[
703 T.input(type="hidden", name="t", value="upload"),
704 T.input(type="hidden", name="when_done", value="."),
705 T.legend(class_="freeform-form-label")["Upload a file to this directory"],
706 "Choose a file to upload: ",
707 T.input(type="file", name="file", class_="freeform-input-file"),
709 T.input(type="submit", value="Upload"),
711 T.input(type="checkbox", name="mutable"),
713 forms.append(T.div(class_="freeform-form")[upload])
715 mount = T.form(action=".", method="post",
716 enctype="multipart/form-data")[
718 T.input(type="hidden", name="t", value="uri"),
719 T.input(type="hidden", name="when_done", value="."),
720 T.legend(class_="freeform-form-label")["Add a link to a file or directory which is already in TahoeLAFS."],
722 T.input(type="text", name="name"), " ",
723 "URI of new child: ",
724 T.input(type="text", name="uri"), " ",
725 T.input(type="submit", value="Attach"),
727 forms.append(T.div(class_="freeform-form")[mount])
730 def render_results(self, ctx, data):
732 return get_arg(req, "results", "")
735 def DirectoryJSONMetadata(ctx, dirnode):
739 for name, (childnode, metadata) in children.iteritems():
740 assert IFilesystemNode.providedBy(childnode), childnode
741 rw_uri = childnode.get_uri()
742 ro_uri = childnode.get_readonly_uri()
743 if (IDirectoryNode.providedBy(childnode)
744 or IFileNode.providedBy(childnode)):
745 if childnode.is_readonly():
747 if IFileNode.providedBy(childnode):
748 kiddata = ("filenode", {'size': childnode.get_size(),
749 'mutable': childnode.is_mutable(),
751 elif IDirectoryNode.providedBy(childnode):
752 kiddata = ("dirnode", {'mutable': childnode.is_mutable(),
755 kiddata = ("unknown", {})
756 kiddata[1]["metadata"] = metadata
758 kiddata[1]["ro_uri"] = ro_uri
760 kiddata[1]["rw_uri"] = rw_uri
761 verifycap = childnode.get_verify_cap()
763 kiddata[1]['verify_uri'] = verifycap.to_string()
765 if dirnode.is_readonly():
767 dro_uri = dirnode.get_uri()
769 drw_uri = dirnode.get_uri()
770 dro_uri = dirnode.get_readonly_uri()
771 contents = { 'children': kids }
773 contents['ro_uri'] = dro_uri
775 contents['rw_uri'] = drw_uri
776 verifycap = dirnode.get_verify_cap()
778 contents['verify_uri'] = verifycap.to_string()
779 contents['mutable'] = dirnode.is_mutable()
780 data = ("dirnode", contents)
781 return simplejson.dumps(data, indent=1) + "\n"
783 d.addCallback(text_plain, ctx)
788 def DirectoryURI(ctx, dirnode):
789 return text_plain(dirnode.get_uri(), ctx)
791 def DirectoryReadonlyURI(ctx, dirnode):
792 return text_plain(dirnode.get_readonly_uri(), ctx)
794 class RenameForm(rend.Page):
796 docFactory = getxmlfile("rename-form.xhtml")
798 def render_title(self, ctx, data):
799 return ctx.tag["Directory SI=%s" % abbreviated_dirnode(self.original)]
801 def render_header(self, ctx, data):
803 "in directory SI=%s" % abbreviated_dirnode(self.original),
806 if self.original.is_readonly():
807 header.append(" (readonly!)")
809 return ctx.tag[header]
811 def render_when_done(self, ctx, data):
812 return T.input(type="hidden", name="when_done", value=".")
814 def render_get_name(self, ctx, data):
816 name = get_arg(req, "name", "")
817 ctx.tag.attributes['value'] = name
821 class ManifestResults(rend.Page, ReloadMixin):
822 docFactory = getxmlfile("manifest.xhtml")
824 def __init__(self, client, monitor):
826 self.monitor = monitor
828 def renderHTTP(self, ctx):
829 req = inevow.IRequest(ctx)
830 output = get_arg(req, "output", "html").lower()
832 return self.text(req)
834 return self.json(req)
835 return rend.Page.renderHTTP(self, ctx)
837 def slashify_path(self, path):
840 return "/".join([p.encode("utf-8") for p in path])
843 req.setHeader("content-type", "text/plain")
845 is_finished = self.monitor.is_finished()
846 lines.append("finished: " + {True: "yes", False: "no"}[is_finished])
847 for (path, cap) in self.monitor.get_status()["manifest"]:
848 lines.append(self.slashify_path(path) + " " + cap)
849 return "\n".join(lines) + "\n"
852 req.setHeader("content-type", "text/plain")
856 status = { "stats": s["stats"],
857 "finished": m.is_finished(),
858 "origin": base32.b2a(m.origin_si),
861 # don't return manifest/verifycaps/SIs unless the operation is
862 # done, to save on CPU/memory (both here and in the HTTP client
863 # who has to unpack the JSON). Tests show that the ManifestWalker
864 # needs about 1092 bytes per item, the JSON we generate here
865 # requires about 503 bytes per item, and some internal overhead
866 # (perhaps transport-layer buffers in twisted.web?) requires an
867 # additional 1047 bytes per item.
868 status.update({ "manifest": s["manifest"],
869 "verifycaps": [i for i in s["verifycaps"]],
870 "storage-index": [i for i in s["storage-index"]],
872 # simplejson doesn't know how to serialize a set. We use a
873 # generator that walks the set rather than list(setofthing) to
874 # save a small amount of memory (4B*len) and a moderate amount of
876 return simplejson.dumps(status, indent=1)
878 def _si_abbrev(self):
879 return base32.b2a(self.monitor.origin_si)[:6]
881 def render_title(self, ctx):
882 return T.title["Manifest of SI=%s" % self._si_abbrev()]
884 def render_header(self, ctx):
885 return T.p["Manifest of SI=%s" % self._si_abbrev()]
887 def data_items(self, ctx, data):
888 return self.monitor.get_status()["manifest"]
890 def render_row(self, ctx, (path, cap)):
891 ctx.fillSlots("path", self.slashify_path(path))
893 # TODO: we need a clean consistent way to get the type of a cap string
895 if cap.startswith("URI:CHK") or cap.startswith("URI:SSK"):
896 nameurl = urllib.quote(path[-1].encode("utf-8"))
897 uri_link = "%s/file/%s/@@named=/%s" % (root, urllib.quote(cap),
900 uri_link = "%s/uri/%s" % (root, urllib.quote(cap, safe=""))
901 ctx.fillSlots("cap", T.a(href=uri_link)[cap])
903 ctx.fillSlots("cap", "")
906 class DeepSizeResults(rend.Page):
907 def __init__(self, client, monitor):
909 self.monitor = monitor
911 def renderHTTP(self, ctx):
912 req = inevow.IRequest(ctx)
913 output = get_arg(req, "output", "html").lower()
914 req.setHeader("content-type", "text/plain")
916 return self.json(req)
918 is_finished = self.monitor.is_finished()
919 output = "finished: " + {True: "yes", False: "no"}[is_finished] + "\n"
921 stats = self.monitor.get_status()
922 total = (stats.get("size-immutable-files", 0)
923 + stats.get("size-mutable-files", 0)
924 + stats.get("size-directories", 0))
925 output += "size: %d\n" % total
929 status = {"finished": self.monitor.is_finished(),
930 "size": self.monitor.get_status(),
932 return simplejson.dumps(status)
934 class DeepStatsResults(rend.Page):
935 def __init__(self, client, monitor):
937 self.monitor = monitor
939 def renderHTTP(self, ctx):
941 inevow.IRequest(ctx).setHeader("content-type", "text/plain")
942 s = self.monitor.get_status().copy()
943 s["finished"] = self.monitor.is_finished()
944 return simplejson.dumps(s, indent=1)
946 class ManifestStreamer(dirnode.DeepStats):
947 implements(IPushProducer)
949 def __init__(self, ctx, origin):
950 dirnode.DeepStats.__init__(self, origin)
951 self.req = IRequest(ctx)
953 def setMonitor(self, monitor):
954 self.monitor = monitor
955 def pauseProducing(self):
957 def resumeProducing(self):
959 def stopProducing(self):
960 self.monitor.cancel()
962 def add_node(self, node, path):
963 dirnode.DeepStats.add_node(self, node, path)
965 "cap": node.get_uri()}
967 if IDirectoryNode.providedBy(node):
968 d["type"] = "directory"
969 elif IFileNode.providedBy(node):
972 d["type"] = "unknown"
974 v = node.get_verify_cap()
979 r = node.get_repair_cap()
984 si = node.get_storage_index()
987 d["storage-index"] = si
989 j = simplejson.dumps(d, ensure_ascii=True)
991 self.req.write(j+"\n")
994 stats = dirnode.DeepStats.get_results(self)
995 d = {"type": "stats",
998 j = simplejson.dumps(d, ensure_ascii=True)
1000 self.req.write(j+"\n")
1003 class DeepCheckStreamer(dirnode.DeepStats):
1004 implements(IPushProducer)
1006 def __init__(self, ctx, origin, verify, repair, add_lease):
1007 dirnode.DeepStats.__init__(self, origin)
1008 self.req = IRequest(ctx)
1009 self.verify = verify
1010 self.repair = repair
1011 self.add_lease = add_lease
1013 def setMonitor(self, monitor):
1014 self.monitor = monitor
1015 def pauseProducing(self):
1017 def resumeProducing(self):
1019 def stopProducing(self):
1020 self.monitor.cancel()
1022 def add_node(self, node, path):
1023 dirnode.DeepStats.add_node(self, node, path)
1024 data = {"path": path,
1025 "cap": node.get_uri()}
1027 if IDirectoryNode.providedBy(node):
1028 data["type"] = "directory"
1030 data["type"] = "file"
1032 v = node.get_verify_cap()
1035 data["verifycap"] = v
1037 r = node.get_repair_cap()
1040 data["repaircap"] = r
1042 si = node.get_storage_index()
1045 data["storage-index"] = si
1048 d = node.check_and_repair(self.monitor, self.verify, self.add_lease)
1049 d.addCallback(self.add_check_and_repair, data)
1051 d = node.check(self.monitor, self.verify, self.add_lease)
1052 d.addCallback(self.add_check, data)
1053 d.addCallback(self.write_line)
1056 def add_check_and_repair(self, crr, data):
1057 data["check-and-repair-results"] = json_check_and_repair_results(crr)
1060 def add_check(self, cr, data):
1061 data["check-results"] = json_check_results(cr)
1064 def write_line(self, data):
1065 j = simplejson.dumps(data, ensure_ascii=True)
1066 assert "\n" not in j
1067 self.req.write(j+"\n")
1070 stats = dirnode.DeepStats.get_results(self)
1071 d = {"type": "stats",
1074 j = simplejson.dumps(d, ensure_ascii=True)
1075 assert "\n" not in j
1076 self.req.write(j+"\n")
1079 class UnknownNodeHandler(RenderMixin, rend.Page):
1081 def __init__(self, client, node, parentnode=None, name=None):
1082 rend.Page.__init__(self)
1086 def render_GET(self, ctx):
1088 t = get_arg(req, "t", "").strip()
1090 return MoreInfo(self.node)
1091 raise WebError("GET unknown URI type: can only do t=info, not t=%s" % t)