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":
208 d = self._POST_set_children(req)
210 raise WebError("POST to a directory with bad t=%s" % t)
212 when_done = get_arg(req, "when_done", None)
214 d.addCallback(lambda res: url.URL.fromString(when_done))
217 def _POST_mkdir(self, req):
218 name = get_arg(req, "name", "")
220 # our job is done, it was handled by the code in got_child
221 # which created the final directory (i.e. us)
222 return defer.succeed(self.node.get_uri()) # TODO: urlencode
223 name = name.decode("utf-8")
224 replace = boolean_of_arg(get_arg(req, "replace", "true"))
225 d = self.node.create_empty_directory(name, overwrite=replace)
226 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
229 def _POST_mkdir_p(self, req):
230 path = get_arg(req, "path")
232 raise WebError("mkdir-p requires a path")
233 path_ = tuple([seg.decode("utf-8") for seg in path.split('/') if seg ])
235 d = self._get_or_create_directories(self.node, path_)
236 d.addCallback(lambda node: node.get_uri())
239 def _get_or_create_directories(self, node, path):
240 if not IDirectoryNode.providedBy(node):
241 # unfortunately it is too late to provide the name of the
242 # blocking directory in the error message.
243 raise BlockingFileError("cannot create directory because there "
244 "is a file in the way")
246 return defer.succeed(node)
247 d = node.get(path[0])
248 def _maybe_create(f):
249 f.trap(NoSuchChildError)
250 return node.create_empty_directory(path[0])
251 d.addErrback(_maybe_create)
252 d.addCallback(self._get_or_create_directories, path[1:])
255 def _POST_upload(self, ctx):
257 charset = get_arg(req, "_charset", "utf-8")
258 contents = req.fields["file"]
259 assert contents.filename is None or isinstance(contents.filename, str)
260 name = get_arg(req, "name")
261 name = name or contents.filename
265 # this prohibts empty, missing, and all-whitespace filenames
266 raise WebError("upload requires a name")
267 assert isinstance(name, str)
268 name = name.decode(charset)
270 raise WebError("name= may not contain a slash", http.BAD_REQUEST)
271 assert isinstance(name, unicode)
273 # since POST /uri/path/file?t=upload is equivalent to
274 # POST /uri/path/dir?t=upload&name=foo, just do the same thing that
275 # childFactory would do. Things are cleaner if we only do a subset of
276 # them, though, so we don't do: d = self.childFactory(ctx, name)
278 d = self.node.get(name)
279 def _maybe_got_node(node_or_failure):
280 if isinstance(node_or_failure, Failure):
282 f.trap(NoSuchChildError)
283 # create a placeholder which will see POST t=upload
284 return PlaceHolderNodeHandler(self.client, self.node, name)
286 node = node_or_failure
287 return make_handler_for(node, self.client, self.node, name)
288 d.addBoth(_maybe_got_node)
289 # now we have a placeholder or a filenodehandler, and we can just
290 # delegate to it. We could return the resource back out of
291 # DirectoryNodeHandler.renderHTTP, and nevow would recurse into it,
292 # but the addCallback() that handles when_done= would break.
293 d.addCallback(lambda child: child.renderHTTP(ctx))
296 def _POST_uri(self, req):
297 childcap = get_arg(req, "uri")
299 raise WebError("set-uri requires a uri")
300 name = get_arg(req, "name")
302 raise WebError("set-uri requires a name")
303 charset = get_arg(req, "_charset", "utf-8")
304 name = name.decode(charset)
305 replace = boolean_of_arg(get_arg(req, "replace", "true"))
306 d = self.node.set_uri(name, childcap, overwrite=replace)
307 d.addCallback(lambda res: childcap)
310 def _POST_delete(self, req):
311 name = get_arg(req, "name")
313 # apparently an <input type="hidden" name="name" value="">
314 # won't show up in the resulting encoded form.. the 'name'
315 # field is completely missing. So to allow deletion of an
316 # empty file, we have to pretend that None means ''. The only
317 # downide of this is a slightly confusing error message if
318 # someone does a POST without a name= field. For our own HTML
319 # thisn't a big deal, because we create the 'delete' POST
322 charset = get_arg(req, "_charset", "utf-8")
323 name = name.decode(charset)
324 d = self.node.delete(name)
325 d.addCallback(lambda res: "thing deleted")
328 def _POST_rename(self, req):
329 charset = get_arg(req, "_charset", "utf-8")
330 from_name = get_arg(req, "from_name")
331 if from_name is not None:
332 from_name = from_name.strip()
333 from_name = from_name.decode(charset)
334 assert isinstance(from_name, unicode)
335 to_name = get_arg(req, "to_name")
336 if to_name is not None:
337 to_name = to_name.strip()
338 to_name = to_name.decode(charset)
339 assert isinstance(to_name, unicode)
340 if not from_name or not to_name:
341 raise WebError("rename requires from_name and to_name")
342 if from_name == to_name:
343 return defer.succeed("redundant rename")
345 # allow from_name to contain slashes, so they can fix names that were
346 # accidentally created with them. But disallow them in to_name, to
347 # discourage the practice.
349 raise WebError("to_name= may not contain a slash", http.BAD_REQUEST)
351 replace = boolean_of_arg(get_arg(req, "replace", "true"))
352 d = self.node.move_child_to(from_name, self.node, to_name, replace)
353 d.addCallback(lambda res: "thing renamed")
356 def _POST_check(self, req):
357 # check this directory
358 verify = boolean_of_arg(get_arg(req, "verify", "false"))
359 repair = boolean_of_arg(get_arg(req, "repair", "false"))
360 add_lease = boolean_of_arg(get_arg(req, "add-lease", "false"))
362 d = self.node.check_and_repair(Monitor(), verify, add_lease)
363 d.addCallback(lambda res: CheckAndRepairResults(self.client, res))
365 d = self.node.check(Monitor(), verify, add_lease)
366 d.addCallback(lambda res: CheckResults(self.client, res))
369 def _start_operation(self, monitor, renderer, ctx):
370 table = IOpHandleTable(ctx)
371 table.add_monitor(ctx, monitor, renderer)
372 return table.redirect_to(ctx)
374 def _POST_start_deep_check(self, ctx):
375 # check this directory and everything reachable from it
376 if not get_arg(ctx, "ophandle"):
377 raise NeedOperationHandleError("slow operation requires ophandle=")
378 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
379 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
380 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
382 monitor = self.node.start_deep_check_and_repair(verify, add_lease)
383 renderer = DeepCheckAndRepairResults(self.client, monitor)
385 monitor = self.node.start_deep_check(verify, add_lease)
386 renderer = DeepCheckResults(self.client, monitor)
387 return self._start_operation(monitor, renderer, ctx)
389 def _POST_stream_deep_check(self, ctx):
390 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
391 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
392 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
393 walker = DeepCheckStreamer(ctx, self.node, verify, repair, add_lease)
394 monitor = self.node.deep_traverse(walker)
395 walker.setMonitor(monitor)
396 # register to hear stopProducing. The walker ignores pauseProducing.
397 IRequest(ctx).registerProducer(walker, True)
398 d = monitor.when_done()
400 IRequest(ctx).unregisterProducer()
404 f.trap(OperationCancelledError)
405 return "Operation Cancelled"
406 d.addErrback(_cancelled)
408 # signal the error as a non-JSON "ERROR:" line, plus exception
409 msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__,
410 ", ".join([str(a) for a in f.value.args]))
416 def _POST_start_manifest(self, ctx):
417 if not get_arg(ctx, "ophandle"):
418 raise NeedOperationHandleError("slow operation requires ophandle=")
419 monitor = self.node.build_manifest()
420 renderer = ManifestResults(self.client, monitor)
421 return self._start_operation(monitor, renderer, ctx)
423 def _POST_start_deep_size(self, ctx):
424 if not get_arg(ctx, "ophandle"):
425 raise NeedOperationHandleError("slow operation requires ophandle=")
426 monitor = self.node.start_deep_stats()
427 renderer = DeepSizeResults(self.client, monitor)
428 return self._start_operation(monitor, renderer, ctx)
430 def _POST_start_deep_stats(self, ctx):
431 if not get_arg(ctx, "ophandle"):
432 raise NeedOperationHandleError("slow operation requires ophandle=")
433 monitor = self.node.start_deep_stats()
434 renderer = DeepStatsResults(self.client, monitor)
435 return self._start_operation(monitor, renderer, ctx)
437 def _POST_stream_manifest(self, ctx):
438 walker = ManifestStreamer(ctx, self.node)
439 monitor = self.node.deep_traverse(walker)
440 walker.setMonitor(monitor)
441 # register to hear stopProducing. The walker ignores pauseProducing.
442 IRequest(ctx).registerProducer(walker, True)
443 d = monitor.when_done()
445 IRequest(ctx).unregisterProducer()
449 f.trap(OperationCancelledError)
450 return "Operation Cancelled"
451 d.addErrback(_cancelled)
453 # signal the error as a non-JSON "ERROR:" line, plus exception
454 msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__,
455 ", ".join([str(a) for a in f.value.args]))
461 def _POST_set_children(self, req):
462 replace = boolean_of_arg(get_arg(req, "replace", "true"))
464 body = req.content.read()
466 children = simplejson.loads(body)
467 except ValueError, le:
468 le.args = tuple(le.args + (body,))
469 # TODO test handling of bad JSON
472 for name, (file_or_dir, mddict) in children.iteritems():
473 name = unicode(name) # simplejson-2.0.1 returns str *or* unicode
474 cap = str(mddict.get('rw_uri') or mddict.get('ro_uri'))
475 cs.append((name, cap, mddict.get('metadata')))
476 d = self.node.set_children(cs, replace)
477 d.addCallback(lambda res: "Okay so I did it.")
481 def abbreviated_dirnode(dirnode):
482 u = from_string_dirnode(dirnode.get_uri())
485 class DirectoryAsHTML(rend.Page):
486 # The remainder of this class is to render the directory into
487 # human+browser -oriented HTML.
488 docFactory = getxmlfile("directory.xhtml")
491 def __init__(self, node):
492 rend.Page.__init__(self)
495 def beforeRender(self, ctx):
496 # attempt to get the dirnode's children, stashing them (or the
497 # failure that results) for later use
500 # Deferreds don't optimize out tail recursion, and the way
501 # Nevow's flattener handles Deferreds doesn't take this into
502 # account. As a result, large lists of Deferreds that fire in the
503 # same turn (i.e. the output of defer.succeed) will cause a stack
504 # overflow. To work around this, we insert a turn break after
505 # every 100 items, using foolscap's fireEventually(). This gives
506 # the stack a chance to be popped. It would also work to put
507 # every item in its own turn, but that'd be a lot more
508 # inefficient. This addresses ticket #237, for which I was never
509 # able to create a failing unit test.
511 for i,item in enumerate(sorted(children.items())):
513 output.append(fireEventually(item))
516 self.dirnode_children = output
519 text, code = humanize_failure(f)
520 self.dirnode_children = None
521 self.dirnode_children_error = text
523 d.addCallbacks(_good, _bad)
526 def render_title(self, ctx, data):
527 si_s = abbreviated_dirnode(self.node)
528 header = ["TahoeLAFS - Directory SI=%s" % si_s]
529 if self.node.is_readonly():
530 header.append(" (read-only)")
532 header.append(" (modifiable)")
533 return ctx.tag[header]
535 def render_header(self, ctx, data):
536 si_s = abbreviated_dirnode(self.node)
537 header = ["TahoeLAFS Directory SI=", T.span(class_="data-chars")[si_s]]
538 if self.node.is_readonly():
539 header.append(" (read-only)")
540 return ctx.tag[header]
542 def render_welcome(self, ctx, data):
544 return T.div[T.a(href=link)["Return to Welcome page"]]
546 def render_show_readonly(self, ctx, data):
547 if self.node.is_readonly():
549 rocap = self.node.get_readonly_uri()
551 uri_link = "%s/uri/%s/" % (root, urllib.quote(rocap))
552 return ctx.tag[T.a(href=uri_link)["Read-Only Version"]]
554 def render_try_children(self, ctx, data):
555 # if the dirnode can be retrived, render a table of children.
556 # Otherwise, render an apologetic error message.
557 if self.dirnode_children is not None:
560 return T.div[T.p["Error reading directory:"],
561 T.p[self.dirnode_children_error]]
563 def data_children(self, ctx, data):
564 return self.dirnode_children
566 def render_row(self, ctx, data):
567 name, (target, metadata) = data
568 name = name.encode("utf-8")
569 assert not isinstance(name, unicode)
570 nameurl = urllib.quote(name, safe="") # encode any slashes too
573 here = "%s/uri/%s/" % (root, urllib.quote(self.node.get_uri()))
574 if self.node.is_readonly():
578 # this creates a button which will cause our child__delete method
579 # to be invoked, which deletes the file and then redirects the
580 # browser back to this directory
581 delete = T.form(action=here, method="post")[
582 T.input(type='hidden', name='t', value='delete'),
583 T.input(type='hidden', name='name', value=name),
584 T.input(type='hidden', name='when_done', value="."),
585 T.input(type='submit', value='del', name="del"),
588 rename = T.form(action=here, method="get")[
589 T.input(type='hidden', name='t', value='rename-form'),
590 T.input(type='hidden', name='name', value=name),
591 T.input(type='hidden', name='when_done', value="."),
592 T.input(type='submit', value='rename', name="rename"),
595 ctx.fillSlots("delete", delete)
596 ctx.fillSlots("rename", rename)
599 linkcrtime = metadata.get('tahoe', {}).get("linkcrtime")
600 if linkcrtime is not None:
601 times.append("lcr: " + time_format.iso_local(linkcrtime))
603 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
604 if "ctime" in metadata:
605 ctime = time_format.iso_local(metadata["ctime"])
606 times.append("c: " + ctime)
607 linkmotime = metadata.get('tahoe', {}).get("linkmotime")
608 if linkmotime is not None:
611 times.append("lmo: " + time_format.iso_local(linkmotime))
613 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
614 if "mtime" in metadata:
615 mtime = time_format.iso_local(metadata["mtime"])
618 times.append("m: " + mtime)
619 ctx.fillSlots("times", times)
621 assert IFilesystemNode.providedBy(target), target
622 writecap = target.get_uri() or ""
623 quoted_uri = urllib.quote(writecap, safe="") # escape slashes too
625 if IMutableFileNode.providedBy(target):
626 # to prevent javascript in displayed .html files from stealing a
627 # secret directory URI from the URL, send the browser to a URI-based
628 # page that doesn't know about the directory at all
629 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
631 ctx.fillSlots("filename",
632 T.a(href=dlurl)[html.escape(name)])
633 ctx.fillSlots("type", "SSK")
635 ctx.fillSlots("size", "?")
637 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
639 elif IFileNode.providedBy(target):
640 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
642 ctx.fillSlots("filename",
643 T.a(href=dlurl)[html.escape(name)])
644 ctx.fillSlots("type", "FILE")
646 ctx.fillSlots("size", target.get_size())
648 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
650 elif IDirectoryNode.providedBy(target):
652 uri_link = "%s/uri/%s/" % (root, urllib.quote(writecap))
653 ctx.fillSlots("filename",
654 T.a(href=uri_link)[html.escape(name)])
655 if target.is_readonly():
659 ctx.fillSlots("type", dirtype)
660 ctx.fillSlots("size", "-")
661 info_link = "%s/uri/%s/?t=info" % (root, quoted_uri)
665 ctx.fillSlots("filename", html.escape(name))
666 ctx.fillSlots("type", "?")
667 ctx.fillSlots("size", "-")
668 # use a directory-relative info link, so we can extract both the
669 # writecap and the readcap
670 info_link = "%s?t=info" % urllib.quote(name)
672 ctx.fillSlots("info", T.a(href=info_link)["More Info"])
676 def render_forms(self, ctx, data):
679 if self.node.is_readonly():
680 return T.div["No upload forms: directory is read-only"]
681 if self.dirnode_children is None:
682 return T.div["No upload forms: directory is unreadable"]
684 mkdir = T.form(action=".", method="post",
685 enctype="multipart/form-data")[
687 T.input(type="hidden", name="t", value="mkdir"),
688 T.input(type="hidden", name="when_done", value="."),
689 T.legend(class_="freeform-form-label")["Create a new directory in this directory"],
690 "New directory name: ",
691 T.input(type="text", name="name"), " ",
692 T.input(type="submit", value="Create"),
694 forms.append(T.div(class_="freeform-form")[mkdir])
696 upload = T.form(action=".", method="post",
697 enctype="multipart/form-data")[
699 T.input(type="hidden", name="t", value="upload"),
700 T.input(type="hidden", name="when_done", value="."),
701 T.legend(class_="freeform-form-label")["Upload a file to this directory"],
702 "Choose a file to upload: ",
703 T.input(type="file", name="file", class_="freeform-input-file"),
705 T.input(type="submit", value="Upload"),
707 T.input(type="checkbox", name="mutable"),
709 forms.append(T.div(class_="freeform-form")[upload])
711 mount = T.form(action=".", method="post",
712 enctype="multipart/form-data")[
714 T.input(type="hidden", name="t", value="uri"),
715 T.input(type="hidden", name="when_done", value="."),
716 T.legend(class_="freeform-form-label")["Add a link to a file or directory which is already in TahoeLAFS."],
718 T.input(type="text", name="name"), " ",
719 "URI of new child: ",
720 T.input(type="text", name="uri"), " ",
721 T.input(type="submit", value="Attach"),
723 forms.append(T.div(class_="freeform-form")[mount])
726 def render_results(self, ctx, data):
728 return get_arg(req, "results", "")
731 def DirectoryJSONMetadata(ctx, dirnode):
735 for name, (childnode, metadata) in children.iteritems():
736 assert IFilesystemNode.providedBy(childnode), childnode
737 rw_uri = childnode.get_uri()
738 ro_uri = childnode.get_readonly_uri()
739 if (IDirectoryNode.providedBy(childnode)
740 or IFileNode.providedBy(childnode)):
741 if childnode.is_readonly():
743 if IFileNode.providedBy(childnode):
744 kiddata = ("filenode", {'size': childnode.get_size(),
745 'mutable': childnode.is_mutable(),
747 elif IDirectoryNode.providedBy(childnode):
748 kiddata = ("dirnode", {'mutable': childnode.is_mutable(),
751 kiddata = ("unknown", {})
752 kiddata[1]["metadata"] = metadata
754 kiddata[1]["ro_uri"] = ro_uri
756 kiddata[1]["rw_uri"] = rw_uri
757 verifycap = childnode.get_verify_cap()
759 kiddata[1]['verify_uri'] = verifycap.to_string()
761 if dirnode.is_readonly():
763 dro_uri = dirnode.get_uri()
765 drw_uri = dirnode.get_uri()
766 dro_uri = dirnode.get_readonly_uri()
767 contents = { 'children': kids }
769 contents['ro_uri'] = dro_uri
771 contents['rw_uri'] = drw_uri
772 verifycap = dirnode.get_verify_cap()
774 contents['verify_uri'] = verifycap.to_string()
775 contents['mutable'] = dirnode.is_mutable()
776 data = ("dirnode", contents)
777 return simplejson.dumps(data, indent=1) + "\n"
779 d.addCallback(text_plain, ctx)
784 def DirectoryURI(ctx, dirnode):
785 return text_plain(dirnode.get_uri(), ctx)
787 def DirectoryReadonlyURI(ctx, dirnode):
788 return text_plain(dirnode.get_readonly_uri(), ctx)
790 class RenameForm(rend.Page):
792 docFactory = getxmlfile("rename-form.xhtml")
794 def render_title(self, ctx, data):
795 return ctx.tag["Directory SI=%s" % abbreviated_dirnode(self.original)]
797 def render_header(self, ctx, data):
799 "in directory SI=%s" % abbreviated_dirnode(self.original),
802 if self.original.is_readonly():
803 header.append(" (readonly!)")
805 return ctx.tag[header]
807 def render_when_done(self, ctx, data):
808 return T.input(type="hidden", name="when_done", value=".")
810 def render_get_name(self, ctx, data):
812 name = get_arg(req, "name", "")
813 ctx.tag.attributes['value'] = name
817 class ManifestResults(rend.Page, ReloadMixin):
818 docFactory = getxmlfile("manifest.xhtml")
820 def __init__(self, client, monitor):
822 self.monitor = monitor
824 def renderHTTP(self, ctx):
825 req = inevow.IRequest(ctx)
826 output = get_arg(req, "output", "html").lower()
828 return self.text(req)
830 return self.json(req)
831 return rend.Page.renderHTTP(self, ctx)
833 def slashify_path(self, path):
836 return "/".join([p.encode("utf-8") for p in path])
839 req.setHeader("content-type", "text/plain")
841 is_finished = self.monitor.is_finished()
842 lines.append("finished: " + {True: "yes", False: "no"}[is_finished])
843 for (path, cap) in self.monitor.get_status()["manifest"]:
844 lines.append(self.slashify_path(path) + " " + cap)
845 return "\n".join(lines) + "\n"
848 req.setHeader("content-type", "text/plain")
852 status = { "stats": s["stats"],
853 "finished": m.is_finished(),
854 "origin": base32.b2a(m.origin_si),
857 # don't return manifest/verifycaps/SIs unless the operation is
858 # done, to save on CPU/memory (both here and in the HTTP client
859 # who has to unpack the JSON). Tests show that the ManifestWalker
860 # needs about 1092 bytes per item, the JSON we generate here
861 # requires about 503 bytes per item, and some internal overhead
862 # (perhaps transport-layer buffers in twisted.web?) requires an
863 # additional 1047 bytes per item.
864 status.update({ "manifest": s["manifest"],
865 "verifycaps": [i for i in s["verifycaps"]],
866 "storage-index": [i for i in s["storage-index"]],
868 # simplejson doesn't know how to serialize a set. We use a
869 # generator that walks the set rather than list(setofthing) to
870 # save a small amount of memory (4B*len) and a moderate amount of
872 return simplejson.dumps(status, indent=1)
874 def _si_abbrev(self):
875 return base32.b2a(self.monitor.origin_si)[:6]
877 def render_title(self, ctx):
878 return T.title["Manifest of SI=%s" % self._si_abbrev()]
880 def render_header(self, ctx):
881 return T.p["Manifest of SI=%s" % self._si_abbrev()]
883 def data_items(self, ctx, data):
884 return self.monitor.get_status()["manifest"]
886 def render_row(self, ctx, (path, cap)):
887 ctx.fillSlots("path", self.slashify_path(path))
889 # TODO: we need a clean consistent way to get the type of a cap string
891 if cap.startswith("URI:CHK") or cap.startswith("URI:SSK"):
892 nameurl = urllib.quote(path[-1].encode("utf-8"))
893 uri_link = "%s/file/%s/@@named=/%s" % (root, urllib.quote(cap),
896 uri_link = "%s/uri/%s" % (root, urllib.quote(cap, safe=""))
897 ctx.fillSlots("cap", T.a(href=uri_link)[cap])
899 ctx.fillSlots("cap", "")
902 class DeepSizeResults(rend.Page):
903 def __init__(self, client, monitor):
905 self.monitor = monitor
907 def renderHTTP(self, ctx):
908 req = inevow.IRequest(ctx)
909 output = get_arg(req, "output", "html").lower()
910 req.setHeader("content-type", "text/plain")
912 return self.json(req)
914 is_finished = self.monitor.is_finished()
915 output = "finished: " + {True: "yes", False: "no"}[is_finished] + "\n"
917 stats = self.monitor.get_status()
918 total = (stats.get("size-immutable-files", 0)
919 + stats.get("size-mutable-files", 0)
920 + stats.get("size-directories", 0))
921 output += "size: %d\n" % total
925 status = {"finished": self.monitor.is_finished(),
926 "size": self.monitor.get_status(),
928 return simplejson.dumps(status)
930 class DeepStatsResults(rend.Page):
931 def __init__(self, client, monitor):
933 self.monitor = monitor
935 def renderHTTP(self, ctx):
937 inevow.IRequest(ctx).setHeader("content-type", "text/plain")
938 s = self.monitor.get_status().copy()
939 s["finished"] = self.monitor.is_finished()
940 return simplejson.dumps(s, indent=1)
942 class ManifestStreamer(dirnode.DeepStats):
943 implements(IPushProducer)
945 def __init__(self, ctx, origin):
946 dirnode.DeepStats.__init__(self, origin)
947 self.req = IRequest(ctx)
949 def setMonitor(self, monitor):
950 self.monitor = monitor
951 def pauseProducing(self):
953 def resumeProducing(self):
955 def stopProducing(self):
956 self.monitor.cancel()
958 def add_node(self, node, path):
959 dirnode.DeepStats.add_node(self, node, path)
961 "cap": node.get_uri()}
963 if IDirectoryNode.providedBy(node):
964 d["type"] = "directory"
965 elif IFileNode.providedBy(node):
968 d["type"] = "unknown"
970 v = node.get_verify_cap()
975 r = node.get_repair_cap()
980 si = node.get_storage_index()
983 d["storage-index"] = si
985 j = simplejson.dumps(d, ensure_ascii=True)
987 self.req.write(j+"\n")
990 stats = dirnode.DeepStats.get_results(self)
991 d = {"type": "stats",
994 j = simplejson.dumps(d, ensure_ascii=True)
996 self.req.write(j+"\n")
999 class DeepCheckStreamer(dirnode.DeepStats):
1000 implements(IPushProducer)
1002 def __init__(self, ctx, origin, verify, repair, add_lease):
1003 dirnode.DeepStats.__init__(self, origin)
1004 self.req = IRequest(ctx)
1005 self.verify = verify
1006 self.repair = repair
1007 self.add_lease = add_lease
1009 def setMonitor(self, monitor):
1010 self.monitor = monitor
1011 def pauseProducing(self):
1013 def resumeProducing(self):
1015 def stopProducing(self):
1016 self.monitor.cancel()
1018 def add_node(self, node, path):
1019 dirnode.DeepStats.add_node(self, node, path)
1020 data = {"path": path,
1021 "cap": node.get_uri()}
1023 if IDirectoryNode.providedBy(node):
1024 data["type"] = "directory"
1026 data["type"] = "file"
1028 v = node.get_verify_cap()
1031 data["verifycap"] = v
1033 r = node.get_repair_cap()
1036 data["repaircap"] = r
1038 si = node.get_storage_index()
1041 data["storage-index"] = si
1044 d = node.check_and_repair(self.monitor, self.verify, self.add_lease)
1045 d.addCallback(self.add_check_and_repair, data)
1047 d = node.check(self.monitor, self.verify, self.add_lease)
1048 d.addCallback(self.add_check, data)
1049 d.addCallback(self.write_line)
1052 def add_check_and_repair(self, crr, data):
1053 data["check-and-repair-results"] = json_check_and_repair_results(crr)
1056 def add_check(self, cr, data):
1057 data["check-results"] = json_check_results(cr)
1060 def write_line(self, data):
1061 j = simplejson.dumps(data, ensure_ascii=True)
1062 assert "\n" not in j
1063 self.req.write(j+"\n")
1066 stats = dirnode.DeepStats.get_results(self)
1067 d = {"type": "stats",
1070 j = simplejson.dumps(d, ensure_ascii=True)
1071 assert "\n" not in j
1072 self.req.write(j+"\n")
1075 class UnknownNodeHandler(RenderMixin, rend.Page):
1077 def __init__(self, client, node, parentnode=None, name=None):
1078 rend.Page.__init__(self)
1082 def render_GET(self, ctx):
1084 t = get_arg(req, "t", "").strip()
1086 return MoreInfo(self.node)
1087 raise WebError("GET unknown: can only do t=info, not t=%s" % t)