5 from zope.interface import implements
6 from twisted.internet import defer
7 from twisted.internet.interfaces import IPushProducer
8 from twisted.python.failure import Failure
9 from twisted.web import http, html
10 from nevow import url, rend, inevow, tags as T
11 from nevow.inevow import IRequest
13 from foolscap.api import fireEventually
15 from allmydata.util import base32, time_format
16 from allmydata.uri import from_string_dirnode
17 from allmydata.interfaces import IDirectoryNode, IFileNode, IMutableFileNode, \
18 IFilesystemNode, ExistingChildError, NoSuchChildError
19 from allmydata.monitor import Monitor, OperationCancelledError
20 from allmydata import dirnode
21 from allmydata.web.common import text_plain, WebError, \
22 IOpHandleTable, NeedOperationHandleError, \
23 boolean_of_arg, get_arg, get_root, parse_replace_arg, \
24 should_create_intermediate_directories, \
25 getxmlfile, RenderMixin, humanize_failure, convert_children_json
26 from allmydata.web.filenode import ReplaceMeMixin, \
27 FileNodeHandler, PlaceHolderNodeHandler
28 from allmydata.web.check_results import CheckResults, \
29 CheckAndRepairResults, DeepCheckResults, DeepCheckAndRepairResults
30 from allmydata.web.info import MoreInfo
31 from allmydata.web.operations import ReloadMixin
32 from allmydata.web.check_results import json_check_results, \
33 json_check_and_repair_results
35 class BlockingFileError(Exception):
36 # TODO: catch and transform
37 """We cannot auto-create a parent directory, because there is a file in
40 def make_handler_for(node, client, parentnode=None, name=None):
42 assert IDirectoryNode.providedBy(parentnode)
43 if IMutableFileNode.providedBy(node):
44 return FileNodeHandler(client, node, parentnode, name)
45 if IFileNode.providedBy(node):
46 return FileNodeHandler(client, node, parentnode, name)
47 if IDirectoryNode.providedBy(node):
48 return DirectoryNodeHandler(client, node, parentnode, name)
49 return UnknownNodeHandler(client, node, parentnode, name)
51 class DirectoryNodeHandler(RenderMixin, rend.Page, ReplaceMeMixin):
54 def __init__(self, client, node, parentnode=None, name=None):
55 rend.Page.__init__(self)
59 self.parentnode = parentnode
62 def childFactory(self, ctx, name):
64 name = name.decode("utf-8")
65 d = self.node.get(name)
66 d.addBoth(self.got_child, ctx, name)
67 # got_child returns a handler resource: FileNodeHandler or
68 # DirectoryNodeHandler
71 def got_child(self, node_or_failure, ctx, name):
73 if DEBUG: print "GOT_CHILD", name, node_or_failure
76 nonterminal = len(req.postpath) > 1
77 t = get_arg(req, "t", "").strip()
78 if isinstance(node_or_failure, Failure):
80 f.trap(NoSuchChildError)
81 # No child by this name. What should we do about it?
82 if DEBUG: print "no child", name
83 if DEBUG: print "postpath", req.postpath
85 if DEBUG: print " intermediate"
86 if should_create_intermediate_directories(req):
87 # create intermediate directories
88 if DEBUG: print " making intermediate directory"
89 d = self.node.create_subdirectory(name)
90 d.addCallback(make_handler_for,
91 self.client, self.node, name)
94 if DEBUG: print " terminal"
96 if (method,t) in [ ("POST","mkdir"), ("PUT","mkdir"),
97 ("POST", "mkdir-with-children") ]:
98 if DEBUG: print " making final directory"
101 if (method,t) == ("POST", "mkdir-with-children"):
102 kids_json = get_arg(req, "children", "")
103 kids = convert_children_json(self.client.nodemaker,
105 d = self.node.create_subdirectory(name, kids)
106 d.addCallback(make_handler_for,
107 self.client, self.node, name)
109 if (method,t) in ( ("PUT",""), ("PUT","uri"), ):
110 if DEBUG: print " PUT, making leaf placeholder"
111 # we were trying to find the leaf filenode (to put a new
112 # file in its place), and it didn't exist. That's ok,
113 # since that's the leaf node that we're about to create.
114 # We make a dummy one, which will respond to the PUT
115 # request by replacing itself.
116 return PlaceHolderNodeHandler(self.client, self.node, name)
117 if DEBUG: print " 404"
118 # otherwise, we just return a no-such-child error
121 node = node_or_failure
122 if nonterminal and should_create_intermediate_directories(req):
123 if not IDirectoryNode.providedBy(node):
124 # we would have put a new directory here, but there was a
126 if DEBUG: print "blocking"
127 raise WebError("Unable to create directory '%s': "
128 "a file was in the way" % name,
130 if DEBUG: print "good child"
131 return make_handler_for(node, self.client, self.node, name)
133 def render_DELETE(self, ctx):
134 assert self.parentnode and self.name
135 d = self.parentnode.delete(self.name)
136 d.addCallback(lambda res: self.node.get_uri())
139 def render_GET(self, ctx):
141 # This is where all of the directory-related ?t=* code goes.
142 t = get_arg(req, "t", "").strip()
144 # render the directory as HTML, using the docFactory and Nevow's
145 # whole templating thing.
146 return DirectoryAsHTML(self.node)
149 return DirectoryJSONMetadata(ctx, self.node)
151 return MoreInfo(self.node)
153 return DirectoryURI(ctx, self.node)
154 if t == "readonly-uri":
155 return DirectoryReadonlyURI(ctx, self.node)
156 if t == 'rename-form':
157 return RenameForm(self.node)
159 raise WebError("GET directory: bad t=%s" % t)
161 def render_PUT(self, ctx):
163 t = get_arg(req, "t", "").strip()
164 replace = parse_replace_arg(get_arg(req, "replace", "true"))
167 # our job was done by the traversal/create-intermediate-directory
168 # process that got us here.
169 return text_plain(self.node.get_uri(), ctx) # TODO: urlencode
172 # they're trying to set_uri and that name is already occupied
174 raise ExistingChildError()
175 d = self.replace_me_with_a_childcap(req, self.client, replace)
179 raise WebError("PUT to a directory")
181 def render_POST(self, ctx):
183 t = get_arg(req, "t", "").strip()
186 d = self._POST_mkdir(req)
187 elif t == "mkdir-with-children":
188 d = self._POST_mkdir_with_children(req)
191 d = self._POST_mkdir_p(req)
193 d = self._POST_upload(ctx) # this one needs the context
195 d = self._POST_uri(req)
197 d = self._POST_delete(req)
199 d = self._POST_rename(req)
201 d = self._POST_check(req)
202 elif t == "start-deep-check":
203 d = self._POST_start_deep_check(ctx)
204 elif t == "stream-deep-check":
205 d = self._POST_stream_deep_check(ctx)
206 elif t == "start-manifest":
207 d = self._POST_start_manifest(ctx)
208 elif t == "start-deep-size":
209 d = self._POST_start_deep_size(ctx)
210 elif t == "start-deep-stats":
211 d = self._POST_start_deep_stats(ctx)
212 elif t == "stream-manifest":
213 d = self._POST_stream_manifest(ctx)
214 elif t == "set_children":
215 d = self._POST_set_children(req)
217 raise WebError("POST to a directory with bad t=%s" % t)
219 when_done = get_arg(req, "when_done", None)
221 d.addCallback(lambda res: url.URL.fromString(when_done))
224 def _POST_mkdir(self, req):
225 name = get_arg(req, "name", "")
227 # our job is done, it was handled by the code in got_child
228 # which created the final directory (i.e. us)
229 return defer.succeed(self.node.get_uri()) # TODO: urlencode
230 name = name.decode("utf-8")
231 replace = boolean_of_arg(get_arg(req, "replace", "true"))
233 d = self.node.create_subdirectory(name, kids, overwrite=replace)
234 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
237 def _POST_mkdir_with_children(self, req):
238 name = get_arg(req, "name", "")
240 # our job is done, it was handled by the code in got_child
241 # which created the final directory (i.e. us)
242 return defer.succeed(self.node.get_uri()) # TODO: urlencode
243 name = name.decode("utf-8")
244 replace = boolean_of_arg(get_arg(req, "replace", "true"))
245 kids_json = get_arg(req, "children", "")
246 kids = convert_children_json(self.client.nodemaker, kids_json)
247 d = self.node.create_subdirectory(name, kids, overwrite=replace)
248 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
251 def _POST_mkdir_p(self, req):
252 path = get_arg(req, "path")
254 raise WebError("mkdir-p requires a path")
255 path_ = tuple([seg.decode("utf-8") for seg in path.split('/') if seg ])
257 d = self._get_or_create_directories(self.node, path_)
258 d.addCallback(lambda node: node.get_uri())
261 def _get_or_create_directories(self, node, path):
262 if not IDirectoryNode.providedBy(node):
263 # unfortunately it is too late to provide the name of the
264 # blocking directory in the error message.
265 raise BlockingFileError("cannot create directory because there "
266 "is a file in the way")
268 return defer.succeed(node)
269 d = node.get(path[0])
270 def _maybe_create(f):
271 f.trap(NoSuchChildError)
272 return node.create_subdirectory(path[0])
273 d.addErrback(_maybe_create)
274 d.addCallback(self._get_or_create_directories, path[1:])
277 def _POST_upload(self, ctx):
279 charset = get_arg(req, "_charset", "utf-8")
280 contents = req.fields["file"]
281 assert contents.filename is None or isinstance(contents.filename, str)
282 name = get_arg(req, "name")
283 name = name or contents.filename
287 # this prohibts empty, missing, and all-whitespace filenames
288 raise WebError("upload requires a name")
289 assert isinstance(name, str)
290 name = name.decode(charset)
292 raise WebError("name= may not contain a slash", http.BAD_REQUEST)
293 assert isinstance(name, unicode)
295 # since POST /uri/path/file?t=upload is equivalent to
296 # POST /uri/path/dir?t=upload&name=foo, just do the same thing that
297 # childFactory would do. Things are cleaner if we only do a subset of
298 # them, though, so we don't do: d = self.childFactory(ctx, name)
300 d = self.node.get(name)
301 def _maybe_got_node(node_or_failure):
302 if isinstance(node_or_failure, Failure):
304 f.trap(NoSuchChildError)
305 # create a placeholder which will see POST t=upload
306 return PlaceHolderNodeHandler(self.client, self.node, name)
308 node = node_or_failure
309 return make_handler_for(node, self.client, self.node, name)
310 d.addBoth(_maybe_got_node)
311 # now we have a placeholder or a filenodehandler, and we can just
312 # delegate to it. We could return the resource back out of
313 # DirectoryNodeHandler.renderHTTP, and nevow would recurse into it,
314 # but the addCallback() that handles when_done= would break.
315 d.addCallback(lambda child: child.renderHTTP(ctx))
318 def _POST_uri(self, req):
319 childcap = get_arg(req, "uri")
321 raise WebError("set-uri requires a uri")
322 name = get_arg(req, "name")
324 raise WebError("set-uri requires a name")
325 charset = get_arg(req, "_charset", "utf-8")
326 name = name.decode(charset)
327 replace = boolean_of_arg(get_arg(req, "replace", "true"))
328 d = self.node.set_uri(name, childcap, childcap, overwrite=replace)
329 d.addCallback(lambda res: childcap)
332 def _POST_delete(self, req):
333 name = get_arg(req, "name")
335 # apparently an <input type="hidden" name="name" value="">
336 # won't show up in the resulting encoded form.. the 'name'
337 # field is completely missing. So to allow deletion of an
338 # empty file, we have to pretend that None means ''. The only
339 # downide of this is a slightly confusing error message if
340 # someone does a POST without a name= field. For our own HTML
341 # thisn't a big deal, because we create the 'delete' POST
344 charset = get_arg(req, "_charset", "utf-8")
345 name = name.decode(charset)
346 d = self.node.delete(name)
347 d.addCallback(lambda res: "thing deleted")
350 def _POST_rename(self, req):
351 charset = get_arg(req, "_charset", "utf-8")
352 from_name = get_arg(req, "from_name")
353 if from_name is not None:
354 from_name = from_name.strip()
355 from_name = from_name.decode(charset)
356 assert isinstance(from_name, unicode)
357 to_name = get_arg(req, "to_name")
358 if to_name is not None:
359 to_name = to_name.strip()
360 to_name = to_name.decode(charset)
361 assert isinstance(to_name, unicode)
362 if not from_name or not to_name:
363 raise WebError("rename requires from_name and to_name")
364 if from_name == to_name:
365 return defer.succeed("redundant rename")
367 # allow from_name to contain slashes, so they can fix names that were
368 # accidentally created with them. But disallow them in to_name, to
369 # discourage the practice.
371 raise WebError("to_name= may not contain a slash", http.BAD_REQUEST)
373 replace = boolean_of_arg(get_arg(req, "replace", "true"))
374 d = self.node.move_child_to(from_name, self.node, to_name, replace)
375 d.addCallback(lambda res: "thing renamed")
378 def _POST_check(self, req):
379 # check this directory
380 verify = boolean_of_arg(get_arg(req, "verify", "false"))
381 repair = boolean_of_arg(get_arg(req, "repair", "false"))
382 add_lease = boolean_of_arg(get_arg(req, "add-lease", "false"))
384 d = self.node.check_and_repair(Monitor(), verify, add_lease)
385 d.addCallback(lambda res: CheckAndRepairResults(self.client, res))
387 d = self.node.check(Monitor(), verify, add_lease)
388 d.addCallback(lambda res: CheckResults(self.client, res))
391 def _start_operation(self, monitor, renderer, ctx):
392 table = IOpHandleTable(ctx)
393 table.add_monitor(ctx, monitor, renderer)
394 return table.redirect_to(ctx)
396 def _POST_start_deep_check(self, ctx):
397 # check this directory and everything reachable from it
398 if not get_arg(ctx, "ophandle"):
399 raise NeedOperationHandleError("slow operation requires ophandle=")
400 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
401 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
402 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
404 monitor = self.node.start_deep_check_and_repair(verify, add_lease)
405 renderer = DeepCheckAndRepairResults(self.client, monitor)
407 monitor = self.node.start_deep_check(verify, add_lease)
408 renderer = DeepCheckResults(self.client, monitor)
409 return self._start_operation(monitor, renderer, ctx)
411 def _POST_stream_deep_check(self, ctx):
412 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
413 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
414 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
415 walker = DeepCheckStreamer(ctx, self.node, verify, repair, add_lease)
416 monitor = self.node.deep_traverse(walker)
417 walker.setMonitor(monitor)
418 # register to hear stopProducing. The walker ignores pauseProducing.
419 IRequest(ctx).registerProducer(walker, True)
420 d = monitor.when_done()
422 IRequest(ctx).unregisterProducer()
426 f.trap(OperationCancelledError)
427 return "Operation Cancelled"
428 d.addErrback(_cancelled)
430 # signal the error as a non-JSON "ERROR:" line, plus exception
431 msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__,
432 ", ".join([str(a) for a in f.value.args]))
438 def _POST_start_manifest(self, ctx):
439 if not get_arg(ctx, "ophandle"):
440 raise NeedOperationHandleError("slow operation requires ophandle=")
441 monitor = self.node.build_manifest()
442 renderer = ManifestResults(self.client, monitor)
443 return self._start_operation(monitor, renderer, ctx)
445 def _POST_start_deep_size(self, ctx):
446 if not get_arg(ctx, "ophandle"):
447 raise NeedOperationHandleError("slow operation requires ophandle=")
448 monitor = self.node.start_deep_stats()
449 renderer = DeepSizeResults(self.client, monitor)
450 return self._start_operation(monitor, renderer, ctx)
452 def _POST_start_deep_stats(self, ctx):
453 if not get_arg(ctx, "ophandle"):
454 raise NeedOperationHandleError("slow operation requires ophandle=")
455 monitor = self.node.start_deep_stats()
456 renderer = DeepStatsResults(self.client, monitor)
457 return self._start_operation(monitor, renderer, ctx)
459 def _POST_stream_manifest(self, ctx):
460 walker = ManifestStreamer(ctx, self.node)
461 monitor = self.node.deep_traverse(walker)
462 walker.setMonitor(monitor)
463 # register to hear stopProducing. The walker ignores pauseProducing.
464 IRequest(ctx).registerProducer(walker, True)
465 d = monitor.when_done()
467 IRequest(ctx).unregisterProducer()
471 f.trap(OperationCancelledError)
472 return "Operation Cancelled"
473 d.addErrback(_cancelled)
475 # signal the error as a non-JSON "ERROR:" line, plus exception
476 msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__,
477 ", ".join([str(a) for a in f.value.args]))
483 def _POST_set_children(self, req):
484 replace = boolean_of_arg(get_arg(req, "replace", "true"))
486 body = req.content.read()
488 children = simplejson.loads(body)
489 except ValueError, le:
490 le.args = tuple(le.args + (body,))
491 # TODO test handling of bad JSON
494 for name, (file_or_dir, mddict) in children.iteritems():
495 name = unicode(name) # simplejson-2.0.1 returns str *or* unicode
496 writecap = mddict.get('rw_uri')
497 if writecap is not None:
498 writecap = str(writecap)
499 readcap = mddict.get('ro_uri')
500 if readcap is not None:
501 readcap = str(readcap)
502 cs[name] = (writecap, readcap, mddict.get('metadata'))
503 d = self.node.set_children(cs, replace)
504 d.addCallback(lambda res: "Okay so I did it.")
508 def abbreviated_dirnode(dirnode):
509 u = from_string_dirnode(dirnode.get_uri())
512 class DirectoryAsHTML(rend.Page):
513 # The remainder of this class is to render the directory into
514 # human+browser -oriented HTML.
515 docFactory = getxmlfile("directory.xhtml")
518 def __init__(self, node):
519 rend.Page.__init__(self)
522 def beforeRender(self, ctx):
523 # attempt to get the dirnode's children, stashing them (or the
524 # failure that results) for later use
527 # Deferreds don't optimize out tail recursion, and the way
528 # Nevow's flattener handles Deferreds doesn't take this into
529 # account. As a result, large lists of Deferreds that fire in the
530 # same turn (i.e. the output of defer.succeed) will cause a stack
531 # overflow. To work around this, we insert a turn break after
532 # every 100 items, using foolscap's fireEventually(). This gives
533 # the stack a chance to be popped. It would also work to put
534 # every item in its own turn, but that'd be a lot more
535 # inefficient. This addresses ticket #237, for which I was never
536 # able to create a failing unit test.
538 for i,item in enumerate(sorted(children.items())):
540 output.append(fireEventually(item))
543 self.dirnode_children = output
546 text, code = humanize_failure(f)
547 self.dirnode_children = None
548 self.dirnode_children_error = text
550 d.addCallbacks(_good, _bad)
553 def render_title(self, ctx, data):
554 si_s = abbreviated_dirnode(self.node)
555 header = ["Tahoe-LAFS - Directory SI=%s" % si_s]
556 if self.node.is_readonly():
557 header.append(" (read-only)")
559 header.append(" (modifiable)")
560 return ctx.tag[header]
562 def render_header(self, ctx, data):
563 si_s = abbreviated_dirnode(self.node)
564 header = ["Tahoe-LAFS Directory SI=", T.span(class_="data-chars")[si_s]]
565 if self.node.is_readonly():
566 header.append(" (read-only)")
567 return ctx.tag[header]
569 def render_welcome(self, ctx, data):
571 return T.div[T.a(href=link)["Return to Welcome page"]]
573 def render_show_readonly(self, ctx, data):
574 if self.node.is_readonly():
576 rocap = self.node.get_readonly_uri()
578 uri_link = "%s/uri/%s/" % (root, urllib.quote(rocap))
579 return ctx.tag[T.a(href=uri_link)["Read-Only Version"]]
581 def render_try_children(self, ctx, data):
582 # if the dirnode can be retrived, render a table of children.
583 # Otherwise, render an apologetic error message.
584 if self.dirnode_children is not None:
587 return T.div[T.p["Error reading directory:"],
588 T.p[self.dirnode_children_error]]
590 def data_children(self, ctx, data):
591 return self.dirnode_children
593 def render_row(self, ctx, data):
594 name, (target, metadata) = data
595 name = name.encode("utf-8")
596 assert not isinstance(name, unicode)
597 nameurl = urllib.quote(name, safe="") # encode any slashes too
600 here = "%s/uri/%s/" % (root, urllib.quote(self.node.get_uri()))
601 if self.node.is_readonly():
605 # this creates a button which will cause our child__delete method
606 # to be invoked, which deletes the file and then redirects the
607 # browser back to this directory
608 delete = T.form(action=here, method="post")[
609 T.input(type='hidden', name='t', value='delete'),
610 T.input(type='hidden', name='name', value=name),
611 T.input(type='hidden', name='when_done', value="."),
612 T.input(type='submit', value='del', name="del"),
615 rename = T.form(action=here, method="get")[
616 T.input(type='hidden', name='t', value='rename-form'),
617 T.input(type='hidden', name='name', value=name),
618 T.input(type='hidden', name='when_done', value="."),
619 T.input(type='submit', value='rename', name="rename"),
622 ctx.fillSlots("delete", delete)
623 ctx.fillSlots("rename", rename)
626 linkcrtime = metadata.get('tahoe', {}).get("linkcrtime")
627 if linkcrtime is not None:
628 times.append("lcr: " + time_format.iso_local(linkcrtime))
630 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
631 if "ctime" in metadata:
632 ctime = time_format.iso_local(metadata["ctime"])
633 times.append("c: " + ctime)
634 linkmotime = metadata.get('tahoe', {}).get("linkmotime")
635 if linkmotime is not None:
638 times.append("lmo: " + time_format.iso_local(linkmotime))
640 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
641 if "mtime" in metadata:
642 mtime = time_format.iso_local(metadata["mtime"])
645 times.append("m: " + mtime)
646 ctx.fillSlots("times", times)
648 assert IFilesystemNode.providedBy(target), target
649 writecap = target.get_uri() or ""
650 quoted_uri = urllib.quote(writecap, safe="") # escape slashes too
652 if IMutableFileNode.providedBy(target):
653 # to prevent javascript in displayed .html files from stealing a
654 # secret directory URI from the URL, send the browser to a URI-based
655 # page that doesn't know about the directory at all
656 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
658 ctx.fillSlots("filename",
659 T.a(href=dlurl)[html.escape(name)])
660 ctx.fillSlots("type", "SSK")
662 ctx.fillSlots("size", "?")
664 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
666 elif IFileNode.providedBy(target):
667 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
669 ctx.fillSlots("filename",
670 T.a(href=dlurl)[html.escape(name)])
671 ctx.fillSlots("type", "FILE")
673 ctx.fillSlots("size", target.get_size())
675 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
677 elif IDirectoryNode.providedBy(target):
679 uri_link = "%s/uri/%s/" % (root, urllib.quote(writecap))
680 ctx.fillSlots("filename",
681 T.a(href=uri_link)[html.escape(name)])
682 if target.is_readonly():
686 ctx.fillSlots("type", dirtype)
687 ctx.fillSlots("size", "-")
688 info_link = "%s/uri/%s/?t=info" % (root, quoted_uri)
692 ctx.fillSlots("filename", html.escape(name))
693 ctx.fillSlots("type", "?")
694 ctx.fillSlots("size", "-")
695 # use a directory-relative info link, so we can extract both the
696 # writecap and the readcap
697 info_link = "%s?t=info" % urllib.quote(name)
699 ctx.fillSlots("info", T.a(href=info_link)["More Info"])
703 def render_forms(self, ctx, data):
706 if self.node.is_readonly():
707 return T.div["No upload forms: directory is read-only"]
708 if self.dirnode_children is None:
709 return T.div["No upload forms: directory is unreadable"]
711 mkdir = T.form(action=".", method="post",
712 enctype="multipart/form-data")[
714 T.input(type="hidden", name="t", value="mkdir"),
715 T.input(type="hidden", name="when_done", value="."),
716 T.legend(class_="freeform-form-label")["Create a new directory in this directory"],
717 "New directory name: ",
718 T.input(type="text", name="name"), " ",
719 T.input(type="submit", value="Create"),
721 forms.append(T.div(class_="freeform-form")[mkdir])
723 upload = T.form(action=".", method="post",
724 enctype="multipart/form-data")[
726 T.input(type="hidden", name="t", value="upload"),
727 T.input(type="hidden", name="when_done", value="."),
728 T.legend(class_="freeform-form-label")["Upload a file to this directory"],
729 "Choose a file to upload: ",
730 T.input(type="file", name="file", class_="freeform-input-file"),
732 T.input(type="submit", value="Upload"),
734 T.input(type="checkbox", name="mutable"),
736 forms.append(T.div(class_="freeform-form")[upload])
738 mount = T.form(action=".", method="post",
739 enctype="multipart/form-data")[
741 T.input(type="hidden", name="t", value="uri"),
742 T.input(type="hidden", name="when_done", value="."),
743 T.legend(class_="freeform-form-label")["Add a link to a file or directory which is already in Tahoe-LAFS."],
745 T.input(type="text", name="name"), " ",
746 "URI of new child: ",
747 T.input(type="text", name="uri"), " ",
748 T.input(type="submit", value="Attach"),
750 forms.append(T.div(class_="freeform-form")[mount])
753 def render_results(self, ctx, data):
755 return get_arg(req, "results", "")
758 def DirectoryJSONMetadata(ctx, dirnode):
762 for name, (childnode, metadata) in children.iteritems():
763 assert IFilesystemNode.providedBy(childnode), childnode
764 rw_uri = childnode.get_uri()
765 ro_uri = childnode.get_readonly_uri()
766 if (IDirectoryNode.providedBy(childnode)
767 or IFileNode.providedBy(childnode)):
768 if childnode.is_readonly():
770 if IFileNode.providedBy(childnode):
771 kiddata = ("filenode", {'size': childnode.get_size(),
772 'mutable': childnode.is_mutable(),
774 elif IDirectoryNode.providedBy(childnode):
775 kiddata = ("dirnode", {'mutable': childnode.is_mutable(),
778 kiddata = ("unknown", {})
779 kiddata[1]["metadata"] = metadata
781 kiddata[1]["ro_uri"] = ro_uri
783 kiddata[1]["rw_uri"] = rw_uri
784 verifycap = childnode.get_verify_cap()
786 kiddata[1]['verify_uri'] = verifycap.to_string()
788 if dirnode.is_readonly():
790 dro_uri = dirnode.get_uri()
792 drw_uri = dirnode.get_uri()
793 dro_uri = dirnode.get_readonly_uri()
794 contents = { 'children': kids }
796 contents['ro_uri'] = dro_uri
798 contents['rw_uri'] = drw_uri
799 verifycap = dirnode.get_verify_cap()
801 contents['verify_uri'] = verifycap.to_string()
802 contents['mutable'] = dirnode.is_mutable()
803 data = ("dirnode", contents)
804 return simplejson.dumps(data, indent=1) + "\n"
806 d.addCallback(text_plain, ctx)
811 def DirectoryURI(ctx, dirnode):
812 return text_plain(dirnode.get_uri(), ctx)
814 def DirectoryReadonlyURI(ctx, dirnode):
815 return text_plain(dirnode.get_readonly_uri(), ctx)
817 class RenameForm(rend.Page):
819 docFactory = getxmlfile("rename-form.xhtml")
821 def render_title(self, ctx, data):
822 return ctx.tag["Directory SI=%s" % abbreviated_dirnode(self.original)]
824 def render_header(self, ctx, data):
826 "in directory SI=%s" % abbreviated_dirnode(self.original),
829 if self.original.is_readonly():
830 header.append(" (readonly!)")
832 return ctx.tag[header]
834 def render_when_done(self, ctx, data):
835 return T.input(type="hidden", name="when_done", value=".")
837 def render_get_name(self, ctx, data):
839 name = get_arg(req, "name", "")
840 ctx.tag.attributes['value'] = name
844 class ManifestResults(rend.Page, ReloadMixin):
845 docFactory = getxmlfile("manifest.xhtml")
847 def __init__(self, client, monitor):
849 self.monitor = monitor
851 def renderHTTP(self, ctx):
852 req = inevow.IRequest(ctx)
853 output = get_arg(req, "output", "html").lower()
855 return self.text(req)
857 return self.json(req)
858 return rend.Page.renderHTTP(self, ctx)
860 def slashify_path(self, path):
863 return "/".join([p.encode("utf-8") for p in path])
866 req.setHeader("content-type", "text/plain")
868 is_finished = self.monitor.is_finished()
869 lines.append("finished: " + {True: "yes", False: "no"}[is_finished])
870 for (path, cap) in self.monitor.get_status()["manifest"]:
871 lines.append(self.slashify_path(path) + " " + cap)
872 return "\n".join(lines) + "\n"
875 req.setHeader("content-type", "text/plain")
879 status = { "stats": s["stats"],
880 "finished": m.is_finished(),
881 "origin": base32.b2a(m.origin_si),
884 # don't return manifest/verifycaps/SIs unless the operation is
885 # done, to save on CPU/memory (both here and in the HTTP client
886 # who has to unpack the JSON). Tests show that the ManifestWalker
887 # needs about 1092 bytes per item, the JSON we generate here
888 # requires about 503 bytes per item, and some internal overhead
889 # (perhaps transport-layer buffers in twisted.web?) requires an
890 # additional 1047 bytes per item.
891 status.update({ "manifest": s["manifest"],
892 "verifycaps": [i for i in s["verifycaps"]],
893 "storage-index": [i for i in s["storage-index"]],
895 # simplejson doesn't know how to serialize a set. We use a
896 # generator that walks the set rather than list(setofthing) to
897 # save a small amount of memory (4B*len) and a moderate amount of
899 return simplejson.dumps(status, indent=1)
901 def _si_abbrev(self):
902 return base32.b2a(self.monitor.origin_si)[:6]
904 def render_title(self, ctx):
905 return T.title["Manifest of SI=%s" % self._si_abbrev()]
907 def render_header(self, ctx):
908 return T.p["Manifest of SI=%s" % self._si_abbrev()]
910 def data_items(self, ctx, data):
911 return self.monitor.get_status()["manifest"]
913 def render_row(self, ctx, (path, cap)):
914 ctx.fillSlots("path", self.slashify_path(path))
916 # TODO: we need a clean consistent way to get the type of a cap string
918 if cap.startswith("URI:CHK") or cap.startswith("URI:SSK"):
919 nameurl = urllib.quote(path[-1].encode("utf-8"))
920 uri_link = "%s/file/%s/@@named=/%s" % (root, urllib.quote(cap),
923 uri_link = "%s/uri/%s" % (root, urllib.quote(cap, safe=""))
924 ctx.fillSlots("cap", T.a(href=uri_link)[cap])
926 ctx.fillSlots("cap", "")
929 class DeepSizeResults(rend.Page):
930 def __init__(self, client, monitor):
932 self.monitor = monitor
934 def renderHTTP(self, ctx):
935 req = inevow.IRequest(ctx)
936 output = get_arg(req, "output", "html").lower()
937 req.setHeader("content-type", "text/plain")
939 return self.json(req)
941 is_finished = self.monitor.is_finished()
942 output = "finished: " + {True: "yes", False: "no"}[is_finished] + "\n"
944 stats = self.monitor.get_status()
945 total = (stats.get("size-immutable-files", 0)
946 + stats.get("size-mutable-files", 0)
947 + stats.get("size-directories", 0))
948 output += "size: %d\n" % total
952 status = {"finished": self.monitor.is_finished(),
953 "size": self.monitor.get_status(),
955 return simplejson.dumps(status)
957 class DeepStatsResults(rend.Page):
958 def __init__(self, client, monitor):
960 self.monitor = monitor
962 def renderHTTP(self, ctx):
964 inevow.IRequest(ctx).setHeader("content-type", "text/plain")
965 s = self.monitor.get_status().copy()
966 s["finished"] = self.monitor.is_finished()
967 return simplejson.dumps(s, indent=1)
969 class ManifestStreamer(dirnode.DeepStats):
970 implements(IPushProducer)
972 def __init__(self, ctx, origin):
973 dirnode.DeepStats.__init__(self, origin)
974 self.req = IRequest(ctx)
976 def setMonitor(self, monitor):
977 self.monitor = monitor
978 def pauseProducing(self):
980 def resumeProducing(self):
982 def stopProducing(self):
983 self.monitor.cancel()
985 def add_node(self, node, path):
986 dirnode.DeepStats.add_node(self, node, path)
988 "cap": node.get_uri()}
990 if IDirectoryNode.providedBy(node):
991 d["type"] = "directory"
992 elif IFileNode.providedBy(node):
995 d["type"] = "unknown"
997 v = node.get_verify_cap()
1002 r = node.get_repair_cap()
1007 si = node.get_storage_index()
1010 d["storage-index"] = si
1012 j = simplejson.dumps(d, ensure_ascii=True)
1013 assert "\n" not in j
1014 self.req.write(j+"\n")
1017 stats = dirnode.DeepStats.get_results(self)
1018 d = {"type": "stats",
1021 j = simplejson.dumps(d, ensure_ascii=True)
1022 assert "\n" not in j
1023 self.req.write(j+"\n")
1026 class DeepCheckStreamer(dirnode.DeepStats):
1027 implements(IPushProducer)
1029 def __init__(self, ctx, origin, verify, repair, add_lease):
1030 dirnode.DeepStats.__init__(self, origin)
1031 self.req = IRequest(ctx)
1032 self.verify = verify
1033 self.repair = repair
1034 self.add_lease = add_lease
1036 def setMonitor(self, monitor):
1037 self.monitor = monitor
1038 def pauseProducing(self):
1040 def resumeProducing(self):
1042 def stopProducing(self):
1043 self.monitor.cancel()
1045 def add_node(self, node, path):
1046 dirnode.DeepStats.add_node(self, node, path)
1047 data = {"path": path,
1048 "cap": node.get_uri()}
1050 if IDirectoryNode.providedBy(node):
1051 data["type"] = "directory"
1053 data["type"] = "file"
1055 v = node.get_verify_cap()
1058 data["verifycap"] = v
1060 r = node.get_repair_cap()
1063 data["repaircap"] = r
1065 si = node.get_storage_index()
1068 data["storage-index"] = si
1071 d = node.check_and_repair(self.monitor, self.verify, self.add_lease)
1072 d.addCallback(self.add_check_and_repair, data)
1074 d = node.check(self.monitor, self.verify, self.add_lease)
1075 d.addCallback(self.add_check, data)
1076 d.addCallback(self.write_line)
1079 def add_check_and_repair(self, crr, data):
1080 data["check-and-repair-results"] = json_check_and_repair_results(crr)
1083 def add_check(self, cr, data):
1084 data["check-results"] = json_check_results(cr)
1087 def write_line(self, data):
1088 j = simplejson.dumps(data, ensure_ascii=True)
1089 assert "\n" not in j
1090 self.req.write(j+"\n")
1093 stats = dirnode.DeepStats.get_results(self)
1094 d = {"type": "stats",
1097 j = simplejson.dumps(d, ensure_ascii=True)
1098 assert "\n" not in j
1099 self.req.write(j+"\n")
1102 class UnknownNodeHandler(RenderMixin, rend.Page):
1104 def __init__(self, client, node, parentnode=None, name=None):
1105 rend.Page.__init__(self)
1109 def render_GET(self, ctx):
1111 t = get_arg(req, "t", "").strip()
1113 return MoreInfo(self.node)
1114 raise WebError("GET unknown URI type: can only do t=info, not t=%s" % t)