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_initial_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 if DEBUG: print " making final directory"
100 kids_json = get_arg(req, "children", "")
103 kids_json = req.content.read()
104 initial_children = convert_initial_children_json(kids_json)
105 d = self.node.create_subdirectory(name, initial_children)
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)
189 d = self._POST_mkdir_p(req)
191 d = self._POST_upload(ctx) # this one needs the context
193 d = self._POST_uri(req)
195 d = self._POST_delete(req)
197 d = self._POST_rename(req)
199 d = self._POST_check(req)
200 elif t == "start-deep-check":
201 d = self._POST_start_deep_check(ctx)
202 elif t == "stream-deep-check":
203 d = self._POST_stream_deep_check(ctx)
204 elif t == "start-manifest":
205 d = self._POST_start_manifest(ctx)
206 elif t == "start-deep-size":
207 d = self._POST_start_deep_size(ctx)
208 elif t == "start-deep-stats":
209 d = self._POST_start_deep_stats(ctx)
210 elif t == "stream-manifest":
211 d = self._POST_stream_manifest(ctx)
212 elif t == "set_children":
213 d = self._POST_set_children(req)
215 raise WebError("POST to a directory with bad t=%s" % t)
217 when_done = get_arg(req, "when_done", None)
219 d.addCallback(lambda res: url.URL.fromString(when_done))
222 def _POST_mkdir(self, req):
223 name = get_arg(req, "name", "")
225 # our job is done, it was handled by the code in got_child
226 # which created the final directory (i.e. us)
227 return defer.succeed(self.node.get_uri()) # TODO: urlencode
228 name = name.decode("utf-8")
229 replace = boolean_of_arg(get_arg(req, "replace", "true"))
230 children_json = get_arg(req, "children", "")
231 initial_children = convert_initial_children_json(children_json)
232 d = self.node.create_subdirectory(name, initial_children,
234 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
237 def _POST_mkdir_p(self, req):
238 path = get_arg(req, "path")
240 raise WebError("mkdir-p requires a path")
241 path_ = tuple([seg.decode("utf-8") for seg in path.split('/') if seg ])
243 d = self._get_or_create_directories(self.node, path_)
244 d.addCallback(lambda node: node.get_uri())
247 def _get_or_create_directories(self, node, path):
248 if not IDirectoryNode.providedBy(node):
249 # unfortunately it is too late to provide the name of the
250 # blocking directory in the error message.
251 raise BlockingFileError("cannot create directory because there "
252 "is a file in the way")
254 return defer.succeed(node)
255 d = node.get(path[0])
256 def _maybe_create(f):
257 f.trap(NoSuchChildError)
258 return node.create_subdirectory(path[0])
259 d.addErrback(_maybe_create)
260 d.addCallback(self._get_or_create_directories, path[1:])
263 def _POST_upload(self, ctx):
265 charset = get_arg(req, "_charset", "utf-8")
266 contents = req.fields["file"]
267 assert contents.filename is None or isinstance(contents.filename, str)
268 name = get_arg(req, "name")
269 name = name or contents.filename
273 # this prohibts empty, missing, and all-whitespace filenames
274 raise WebError("upload requires a name")
275 assert isinstance(name, str)
276 name = name.decode(charset)
278 raise WebError("name= may not contain a slash", http.BAD_REQUEST)
279 assert isinstance(name, unicode)
281 # since POST /uri/path/file?t=upload is equivalent to
282 # POST /uri/path/dir?t=upload&name=foo, just do the same thing that
283 # childFactory would do. Things are cleaner if we only do a subset of
284 # them, though, so we don't do: d = self.childFactory(ctx, name)
286 d = self.node.get(name)
287 def _maybe_got_node(node_or_failure):
288 if isinstance(node_or_failure, Failure):
290 f.trap(NoSuchChildError)
291 # create a placeholder which will see POST t=upload
292 return PlaceHolderNodeHandler(self.client, self.node, name)
294 node = node_or_failure
295 return make_handler_for(node, self.client, self.node, name)
296 d.addBoth(_maybe_got_node)
297 # now we have a placeholder or a filenodehandler, and we can just
298 # delegate to it. We could return the resource back out of
299 # DirectoryNodeHandler.renderHTTP, and nevow would recurse into it,
300 # but the addCallback() that handles when_done= would break.
301 d.addCallback(lambda child: child.renderHTTP(ctx))
304 def _POST_uri(self, req):
305 childcap = get_arg(req, "uri")
307 raise WebError("set-uri requires a uri")
308 name = get_arg(req, "name")
310 raise WebError("set-uri requires a name")
311 charset = get_arg(req, "_charset", "utf-8")
312 name = name.decode(charset)
313 replace = boolean_of_arg(get_arg(req, "replace", "true"))
314 d = self.node.set_uri(name, childcap, childcap, overwrite=replace)
315 d.addCallback(lambda res: childcap)
318 def _POST_delete(self, req):
319 name = get_arg(req, "name")
321 # apparently an <input type="hidden" name="name" value="">
322 # won't show up in the resulting encoded form.. the 'name'
323 # field is completely missing. So to allow deletion of an
324 # empty file, we have to pretend that None means ''. The only
325 # downide of this is a slightly confusing error message if
326 # someone does a POST without a name= field. For our own HTML
327 # thisn't a big deal, because we create the 'delete' POST
330 charset = get_arg(req, "_charset", "utf-8")
331 name = name.decode(charset)
332 d = self.node.delete(name)
333 d.addCallback(lambda res: "thing deleted")
336 def _POST_rename(self, req):
337 charset = get_arg(req, "_charset", "utf-8")
338 from_name = get_arg(req, "from_name")
339 if from_name is not None:
340 from_name = from_name.strip()
341 from_name = from_name.decode(charset)
342 assert isinstance(from_name, unicode)
343 to_name = get_arg(req, "to_name")
344 if to_name is not None:
345 to_name = to_name.strip()
346 to_name = to_name.decode(charset)
347 assert isinstance(to_name, unicode)
348 if not from_name or not to_name:
349 raise WebError("rename requires from_name and to_name")
350 if from_name == to_name:
351 return defer.succeed("redundant rename")
353 # allow from_name to contain slashes, so they can fix names that were
354 # accidentally created with them. But disallow them in to_name, to
355 # discourage the practice.
357 raise WebError("to_name= may not contain a slash", http.BAD_REQUEST)
359 replace = boolean_of_arg(get_arg(req, "replace", "true"))
360 d = self.node.move_child_to(from_name, self.node, to_name, replace)
361 d.addCallback(lambda res: "thing renamed")
364 def _POST_check(self, req):
365 # check this directory
366 verify = boolean_of_arg(get_arg(req, "verify", "false"))
367 repair = boolean_of_arg(get_arg(req, "repair", "false"))
368 add_lease = boolean_of_arg(get_arg(req, "add-lease", "false"))
370 d = self.node.check_and_repair(Monitor(), verify, add_lease)
371 d.addCallback(lambda res: CheckAndRepairResults(self.client, res))
373 d = self.node.check(Monitor(), verify, add_lease)
374 d.addCallback(lambda res: CheckResults(self.client, res))
377 def _start_operation(self, monitor, renderer, ctx):
378 table = IOpHandleTable(ctx)
379 table.add_monitor(ctx, monitor, renderer)
380 return table.redirect_to(ctx)
382 def _POST_start_deep_check(self, ctx):
383 # check this directory and everything reachable from it
384 if not get_arg(ctx, "ophandle"):
385 raise NeedOperationHandleError("slow operation requires ophandle=")
386 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
387 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
388 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
390 monitor = self.node.start_deep_check_and_repair(verify, add_lease)
391 renderer = DeepCheckAndRepairResults(self.client, monitor)
393 monitor = self.node.start_deep_check(verify, add_lease)
394 renderer = DeepCheckResults(self.client, monitor)
395 return self._start_operation(monitor, renderer, ctx)
397 def _POST_stream_deep_check(self, ctx):
398 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
399 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
400 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
401 walker = DeepCheckStreamer(ctx, self.node, verify, repair, add_lease)
402 monitor = self.node.deep_traverse(walker)
403 walker.setMonitor(monitor)
404 # register to hear stopProducing. The walker ignores pauseProducing.
405 IRequest(ctx).registerProducer(walker, True)
406 d = monitor.when_done()
408 IRequest(ctx).unregisterProducer()
412 f.trap(OperationCancelledError)
413 return "Operation Cancelled"
414 d.addErrback(_cancelled)
416 # signal the error as a non-JSON "ERROR:" line, plus exception
417 msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__,
418 ", ".join([str(a) for a in f.value.args]))
424 def _POST_start_manifest(self, ctx):
425 if not get_arg(ctx, "ophandle"):
426 raise NeedOperationHandleError("slow operation requires ophandle=")
427 monitor = self.node.build_manifest()
428 renderer = ManifestResults(self.client, monitor)
429 return self._start_operation(monitor, renderer, ctx)
431 def _POST_start_deep_size(self, ctx):
432 if not get_arg(ctx, "ophandle"):
433 raise NeedOperationHandleError("slow operation requires ophandle=")
434 monitor = self.node.start_deep_stats()
435 renderer = DeepSizeResults(self.client, monitor)
436 return self._start_operation(monitor, renderer, ctx)
438 def _POST_start_deep_stats(self, ctx):
439 if not get_arg(ctx, "ophandle"):
440 raise NeedOperationHandleError("slow operation requires ophandle=")
441 monitor = self.node.start_deep_stats()
442 renderer = DeepStatsResults(self.client, monitor)
443 return self._start_operation(monitor, renderer, ctx)
445 def _POST_stream_manifest(self, ctx):
446 walker = ManifestStreamer(ctx, self.node)
447 monitor = self.node.deep_traverse(walker)
448 walker.setMonitor(monitor)
449 # register to hear stopProducing. The walker ignores pauseProducing.
450 IRequest(ctx).registerProducer(walker, True)
451 d = monitor.when_done()
453 IRequest(ctx).unregisterProducer()
457 f.trap(OperationCancelledError)
458 return "Operation Cancelled"
459 d.addErrback(_cancelled)
461 # signal the error as a non-JSON "ERROR:" line, plus exception
462 msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__,
463 ", ".join([str(a) for a in f.value.args]))
469 def _POST_set_children(self, req):
470 replace = boolean_of_arg(get_arg(req, "replace", "true"))
472 body = req.content.read()
474 children = simplejson.loads(body)
475 except ValueError, le:
476 le.args = tuple(le.args + (body,))
477 # TODO test handling of bad JSON
480 for name, (file_or_dir, mddict) in children.iteritems():
481 name = unicode(name) # simplejson-2.0.1 returns str *or* unicode
482 writecap = mddict.get('rw_uri')
483 if writecap is not None:
484 writecap = str(writecap)
485 readcap = mddict.get('ro_uri')
486 if readcap is not None:
487 readcap = str(readcap)
488 cs[name] = (writecap, readcap, mddict.get('metadata'))
489 d = self.node.set_children(cs, replace)
490 d.addCallback(lambda res: "Okay so I did it.")
494 def abbreviated_dirnode(dirnode):
495 u = from_string_dirnode(dirnode.get_uri())
498 class DirectoryAsHTML(rend.Page):
499 # The remainder of this class is to render the directory into
500 # human+browser -oriented HTML.
501 docFactory = getxmlfile("directory.xhtml")
504 def __init__(self, node):
505 rend.Page.__init__(self)
508 def beforeRender(self, ctx):
509 # attempt to get the dirnode's children, stashing them (or the
510 # failure that results) for later use
513 # Deferreds don't optimize out tail recursion, and the way
514 # Nevow's flattener handles Deferreds doesn't take this into
515 # account. As a result, large lists of Deferreds that fire in the
516 # same turn (i.e. the output of defer.succeed) will cause a stack
517 # overflow. To work around this, we insert a turn break after
518 # every 100 items, using foolscap's fireEventually(). This gives
519 # the stack a chance to be popped. It would also work to put
520 # every item in its own turn, but that'd be a lot more
521 # inefficient. This addresses ticket #237, for which I was never
522 # able to create a failing unit test.
524 for i,item in enumerate(sorted(children.items())):
526 output.append(fireEventually(item))
529 self.dirnode_children = output
532 text, code = humanize_failure(f)
533 self.dirnode_children = None
534 self.dirnode_children_error = text
536 d.addCallbacks(_good, _bad)
539 def render_title(self, ctx, data):
540 si_s = abbreviated_dirnode(self.node)
541 header = ["TahoeLAFS - Directory SI=%s" % si_s]
542 if self.node.is_readonly():
543 header.append(" (read-only)")
545 header.append(" (modifiable)")
546 return ctx.tag[header]
548 def render_header(self, ctx, data):
549 si_s = abbreviated_dirnode(self.node)
550 header = ["TahoeLAFS Directory SI=", T.span(class_="data-chars")[si_s]]
551 if self.node.is_readonly():
552 header.append(" (read-only)")
553 return ctx.tag[header]
555 def render_welcome(self, ctx, data):
557 return T.div[T.a(href=link)["Return to Welcome page"]]
559 def render_show_readonly(self, ctx, data):
560 if self.node.is_readonly():
562 rocap = self.node.get_readonly_uri()
564 uri_link = "%s/uri/%s/" % (root, urllib.quote(rocap))
565 return ctx.tag[T.a(href=uri_link)["Read-Only Version"]]
567 def render_try_children(self, ctx, data):
568 # if the dirnode can be retrived, render a table of children.
569 # Otherwise, render an apologetic error message.
570 if self.dirnode_children is not None:
573 return T.div[T.p["Error reading directory:"],
574 T.p[self.dirnode_children_error]]
576 def data_children(self, ctx, data):
577 return self.dirnode_children
579 def render_row(self, ctx, data):
580 name, (target, metadata) = data
581 name = name.encode("utf-8")
582 assert not isinstance(name, unicode)
583 nameurl = urllib.quote(name, safe="") # encode any slashes too
586 here = "%s/uri/%s/" % (root, urllib.quote(self.node.get_uri()))
587 if self.node.is_readonly():
591 # this creates a button which will cause our child__delete method
592 # to be invoked, which deletes the file and then redirects the
593 # browser back to this directory
594 delete = T.form(action=here, method="post")[
595 T.input(type='hidden', name='t', value='delete'),
596 T.input(type='hidden', name='name', value=name),
597 T.input(type='hidden', name='when_done', value="."),
598 T.input(type='submit', value='del', name="del"),
601 rename = T.form(action=here, method="get")[
602 T.input(type='hidden', name='t', value='rename-form'),
603 T.input(type='hidden', name='name', value=name),
604 T.input(type='hidden', name='when_done', value="."),
605 T.input(type='submit', value='rename', name="rename"),
608 ctx.fillSlots("delete", delete)
609 ctx.fillSlots("rename", rename)
612 linkcrtime = metadata.get('tahoe', {}).get("linkcrtime")
613 if linkcrtime is not None:
614 times.append("lcr: " + time_format.iso_local(linkcrtime))
616 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
617 if "ctime" in metadata:
618 ctime = time_format.iso_local(metadata["ctime"])
619 times.append("c: " + ctime)
620 linkmotime = metadata.get('tahoe', {}).get("linkmotime")
621 if linkmotime is not None:
624 times.append("lmo: " + time_format.iso_local(linkmotime))
626 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
627 if "mtime" in metadata:
628 mtime = time_format.iso_local(metadata["mtime"])
631 times.append("m: " + mtime)
632 ctx.fillSlots("times", times)
634 assert IFilesystemNode.providedBy(target), target
635 writecap = target.get_uri() or ""
636 quoted_uri = urllib.quote(writecap, safe="") # escape slashes too
638 if IMutableFileNode.providedBy(target):
639 # to prevent javascript in displayed .html files from stealing a
640 # secret directory URI from the URL, send the browser to a URI-based
641 # page that doesn't know about the directory at all
642 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
644 ctx.fillSlots("filename",
645 T.a(href=dlurl)[html.escape(name)])
646 ctx.fillSlots("type", "SSK")
648 ctx.fillSlots("size", "?")
650 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
652 elif IFileNode.providedBy(target):
653 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
655 ctx.fillSlots("filename",
656 T.a(href=dlurl)[html.escape(name)])
657 ctx.fillSlots("type", "FILE")
659 ctx.fillSlots("size", target.get_size())
661 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
663 elif IDirectoryNode.providedBy(target):
665 uri_link = "%s/uri/%s/" % (root, urllib.quote(writecap))
666 ctx.fillSlots("filename",
667 T.a(href=uri_link)[html.escape(name)])
668 if target.is_readonly():
672 ctx.fillSlots("type", dirtype)
673 ctx.fillSlots("size", "-")
674 info_link = "%s/uri/%s/?t=info" % (root, quoted_uri)
678 ctx.fillSlots("filename", html.escape(name))
679 ctx.fillSlots("type", "?")
680 ctx.fillSlots("size", "-")
681 # use a directory-relative info link, so we can extract both the
682 # writecap and the readcap
683 info_link = "%s?t=info" % urllib.quote(name)
685 ctx.fillSlots("info", T.a(href=info_link)["More Info"])
689 def render_forms(self, ctx, data):
692 if self.node.is_readonly():
693 return T.div["No upload forms: directory is read-only"]
694 if self.dirnode_children is None:
695 return T.div["No upload forms: directory is unreadable"]
697 mkdir = T.form(action=".", method="post",
698 enctype="multipart/form-data")[
700 T.input(type="hidden", name="t", value="mkdir"),
701 T.input(type="hidden", name="when_done", value="."),
702 T.legend(class_="freeform-form-label")["Create a new directory in this directory"],
703 "New directory name: ",
704 T.input(type="text", name="name"), " ",
705 T.input(type="submit", value="Create"),
707 forms.append(T.div(class_="freeform-form")[mkdir])
709 upload = T.form(action=".", method="post",
710 enctype="multipart/form-data")[
712 T.input(type="hidden", name="t", value="upload"),
713 T.input(type="hidden", name="when_done", value="."),
714 T.legend(class_="freeform-form-label")["Upload a file to this directory"],
715 "Choose a file to upload: ",
716 T.input(type="file", name="file", class_="freeform-input-file"),
718 T.input(type="submit", value="Upload"),
720 T.input(type="checkbox", name="mutable"),
722 forms.append(T.div(class_="freeform-form")[upload])
724 mount = T.form(action=".", method="post",
725 enctype="multipart/form-data")[
727 T.input(type="hidden", name="t", value="uri"),
728 T.input(type="hidden", name="when_done", value="."),
729 T.legend(class_="freeform-form-label")["Add a link to a file or directory which is already in TahoeLAFS."],
731 T.input(type="text", name="name"), " ",
732 "URI of new child: ",
733 T.input(type="text", name="uri"), " ",
734 T.input(type="submit", value="Attach"),
736 forms.append(T.div(class_="freeform-form")[mount])
739 def render_results(self, ctx, data):
741 return get_arg(req, "results", "")
744 def DirectoryJSONMetadata(ctx, dirnode):
748 for name, (childnode, metadata) in children.iteritems():
749 assert IFilesystemNode.providedBy(childnode), childnode
750 rw_uri = childnode.get_uri()
751 ro_uri = childnode.get_readonly_uri()
752 if (IDirectoryNode.providedBy(childnode)
753 or IFileNode.providedBy(childnode)):
754 if childnode.is_readonly():
756 if IFileNode.providedBy(childnode):
757 kiddata = ("filenode", {'size': childnode.get_size(),
758 'mutable': childnode.is_mutable(),
760 elif IDirectoryNode.providedBy(childnode):
761 kiddata = ("dirnode", {'mutable': childnode.is_mutable(),
764 kiddata = ("unknown", {})
765 kiddata[1]["metadata"] = metadata
767 kiddata[1]["ro_uri"] = ro_uri
769 kiddata[1]["rw_uri"] = rw_uri
770 verifycap = childnode.get_verify_cap()
772 kiddata[1]['verify_uri'] = verifycap.to_string()
774 if dirnode.is_readonly():
776 dro_uri = dirnode.get_uri()
778 drw_uri = dirnode.get_uri()
779 dro_uri = dirnode.get_readonly_uri()
780 contents = { 'children': kids }
782 contents['ro_uri'] = dro_uri
784 contents['rw_uri'] = drw_uri
785 verifycap = dirnode.get_verify_cap()
787 contents['verify_uri'] = verifycap.to_string()
788 contents['mutable'] = dirnode.is_mutable()
789 data = ("dirnode", contents)
790 return simplejson.dumps(data, indent=1) + "\n"
792 d.addCallback(text_plain, ctx)
797 def DirectoryURI(ctx, dirnode):
798 return text_plain(dirnode.get_uri(), ctx)
800 def DirectoryReadonlyURI(ctx, dirnode):
801 return text_plain(dirnode.get_readonly_uri(), ctx)
803 class RenameForm(rend.Page):
805 docFactory = getxmlfile("rename-form.xhtml")
807 def render_title(self, ctx, data):
808 return ctx.tag["Directory SI=%s" % abbreviated_dirnode(self.original)]
810 def render_header(self, ctx, data):
812 "in directory SI=%s" % abbreviated_dirnode(self.original),
815 if self.original.is_readonly():
816 header.append(" (readonly!)")
818 return ctx.tag[header]
820 def render_when_done(self, ctx, data):
821 return T.input(type="hidden", name="when_done", value=".")
823 def render_get_name(self, ctx, data):
825 name = get_arg(req, "name", "")
826 ctx.tag.attributes['value'] = name
830 class ManifestResults(rend.Page, ReloadMixin):
831 docFactory = getxmlfile("manifest.xhtml")
833 def __init__(self, client, monitor):
835 self.monitor = monitor
837 def renderHTTP(self, ctx):
838 req = inevow.IRequest(ctx)
839 output = get_arg(req, "output", "html").lower()
841 return self.text(req)
843 return self.json(req)
844 return rend.Page.renderHTTP(self, ctx)
846 def slashify_path(self, path):
849 return "/".join([p.encode("utf-8") for p in path])
852 req.setHeader("content-type", "text/plain")
854 is_finished = self.monitor.is_finished()
855 lines.append("finished: " + {True: "yes", False: "no"}[is_finished])
856 for (path, cap) in self.monitor.get_status()["manifest"]:
857 lines.append(self.slashify_path(path) + " " + cap)
858 return "\n".join(lines) + "\n"
861 req.setHeader("content-type", "text/plain")
865 status = { "stats": s["stats"],
866 "finished": m.is_finished(),
867 "origin": base32.b2a(m.origin_si),
870 # don't return manifest/verifycaps/SIs unless the operation is
871 # done, to save on CPU/memory (both here and in the HTTP client
872 # who has to unpack the JSON). Tests show that the ManifestWalker
873 # needs about 1092 bytes per item, the JSON we generate here
874 # requires about 503 bytes per item, and some internal overhead
875 # (perhaps transport-layer buffers in twisted.web?) requires an
876 # additional 1047 bytes per item.
877 status.update({ "manifest": s["manifest"],
878 "verifycaps": [i for i in s["verifycaps"]],
879 "storage-index": [i for i in s["storage-index"]],
881 # simplejson doesn't know how to serialize a set. We use a
882 # generator that walks the set rather than list(setofthing) to
883 # save a small amount of memory (4B*len) and a moderate amount of
885 return simplejson.dumps(status, indent=1)
887 def _si_abbrev(self):
888 return base32.b2a(self.monitor.origin_si)[:6]
890 def render_title(self, ctx):
891 return T.title["Manifest of SI=%s" % self._si_abbrev()]
893 def render_header(self, ctx):
894 return T.p["Manifest of SI=%s" % self._si_abbrev()]
896 def data_items(self, ctx, data):
897 return self.monitor.get_status()["manifest"]
899 def render_row(self, ctx, (path, cap)):
900 ctx.fillSlots("path", self.slashify_path(path))
902 # TODO: we need a clean consistent way to get the type of a cap string
904 if cap.startswith("URI:CHK") or cap.startswith("URI:SSK"):
905 nameurl = urllib.quote(path[-1].encode("utf-8"))
906 uri_link = "%s/file/%s/@@named=/%s" % (root, urllib.quote(cap),
909 uri_link = "%s/uri/%s" % (root, urllib.quote(cap, safe=""))
910 ctx.fillSlots("cap", T.a(href=uri_link)[cap])
912 ctx.fillSlots("cap", "")
915 class DeepSizeResults(rend.Page):
916 def __init__(self, client, monitor):
918 self.monitor = monitor
920 def renderHTTP(self, ctx):
921 req = inevow.IRequest(ctx)
922 output = get_arg(req, "output", "html").lower()
923 req.setHeader("content-type", "text/plain")
925 return self.json(req)
927 is_finished = self.monitor.is_finished()
928 output = "finished: " + {True: "yes", False: "no"}[is_finished] + "\n"
930 stats = self.monitor.get_status()
931 total = (stats.get("size-immutable-files", 0)
932 + stats.get("size-mutable-files", 0)
933 + stats.get("size-directories", 0))
934 output += "size: %d\n" % total
938 status = {"finished": self.monitor.is_finished(),
939 "size": self.monitor.get_status(),
941 return simplejson.dumps(status)
943 class DeepStatsResults(rend.Page):
944 def __init__(self, client, monitor):
946 self.monitor = monitor
948 def renderHTTP(self, ctx):
950 inevow.IRequest(ctx).setHeader("content-type", "text/plain")
951 s = self.monitor.get_status().copy()
952 s["finished"] = self.monitor.is_finished()
953 return simplejson.dumps(s, indent=1)
955 class ManifestStreamer(dirnode.DeepStats):
956 implements(IPushProducer)
958 def __init__(self, ctx, origin):
959 dirnode.DeepStats.__init__(self, origin)
960 self.req = IRequest(ctx)
962 def setMonitor(self, monitor):
963 self.monitor = monitor
964 def pauseProducing(self):
966 def resumeProducing(self):
968 def stopProducing(self):
969 self.monitor.cancel()
971 def add_node(self, node, path):
972 dirnode.DeepStats.add_node(self, node, path)
974 "cap": node.get_uri()}
976 if IDirectoryNode.providedBy(node):
977 d["type"] = "directory"
978 elif IFileNode.providedBy(node):
981 d["type"] = "unknown"
983 v = node.get_verify_cap()
988 r = node.get_repair_cap()
993 si = node.get_storage_index()
996 d["storage-index"] = si
998 j = simplejson.dumps(d, ensure_ascii=True)
1000 self.req.write(j+"\n")
1003 stats = dirnode.DeepStats.get_results(self)
1004 d = {"type": "stats",
1007 j = simplejson.dumps(d, ensure_ascii=True)
1008 assert "\n" not in j
1009 self.req.write(j+"\n")
1012 class DeepCheckStreamer(dirnode.DeepStats):
1013 implements(IPushProducer)
1015 def __init__(self, ctx, origin, verify, repair, add_lease):
1016 dirnode.DeepStats.__init__(self, origin)
1017 self.req = IRequest(ctx)
1018 self.verify = verify
1019 self.repair = repair
1020 self.add_lease = add_lease
1022 def setMonitor(self, monitor):
1023 self.monitor = monitor
1024 def pauseProducing(self):
1026 def resumeProducing(self):
1028 def stopProducing(self):
1029 self.monitor.cancel()
1031 def add_node(self, node, path):
1032 dirnode.DeepStats.add_node(self, node, path)
1033 data = {"path": path,
1034 "cap": node.get_uri()}
1036 if IDirectoryNode.providedBy(node):
1037 data["type"] = "directory"
1039 data["type"] = "file"
1041 v = node.get_verify_cap()
1044 data["verifycap"] = v
1046 r = node.get_repair_cap()
1049 data["repaircap"] = r
1051 si = node.get_storage_index()
1054 data["storage-index"] = si
1057 d = node.check_and_repair(self.monitor, self.verify, self.add_lease)
1058 d.addCallback(self.add_check_and_repair, data)
1060 d = node.check(self.monitor, self.verify, self.add_lease)
1061 d.addCallback(self.add_check, data)
1062 d.addCallback(self.write_line)
1065 def add_check_and_repair(self, crr, data):
1066 data["check-and-repair-results"] = json_check_and_repair_results(crr)
1069 def add_check(self, cr, data):
1070 data["check-results"] = json_check_results(cr)
1073 def write_line(self, data):
1074 j = simplejson.dumps(data, ensure_ascii=True)
1075 assert "\n" not in j
1076 self.req.write(j+"\n")
1079 stats = dirnode.DeepStats.get_results(self)
1080 d = {"type": "stats",
1083 j = simplejson.dumps(d, ensure_ascii=True)
1084 assert "\n" not in j
1085 self.req.write(j+"\n")
1088 class UnknownNodeHandler(RenderMixin, rend.Page):
1090 def __init__(self, client, node, parentnode=None, name=None):
1091 rend.Page.__init__(self)
1095 def render_GET(self, ctx):
1097 t = get_arg(req, "t", "").strip()
1099 return MoreInfo(self.node)
1100 raise WebError("GET unknown URI type: can only do t=info, not t=%s" % t)