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, IFilesystemNode, \
18 IImmutableFileNode, IMutableFileNode, ExistingChildError, \
19 NoSuchChildError, EmptyPathnameComponentError
20 from allmydata.monitor import Monitor, OperationCancelledError
21 from allmydata import dirnode
22 from allmydata.web.common import text_plain, WebError, \
23 IOpHandleTable, NeedOperationHandleError, \
24 boolean_of_arg, get_arg, get_root, parse_replace_arg, \
25 should_create_intermediate_directories, \
26 getxmlfile, RenderMixin, humanize_failure, convert_children_json
27 from allmydata.web.filenode import ReplaceMeMixin, \
28 FileNodeHandler, PlaceHolderNodeHandler
29 from allmydata.web.check_results import CheckResults, \
30 CheckAndRepairResults, DeepCheckResults, DeepCheckAndRepairResults, \
32 from allmydata.web.info import MoreInfo
33 from allmydata.web.operations import ReloadMixin
34 from allmydata.web.check_results import json_check_results, \
35 json_check_and_repair_results
37 class BlockingFileError(Exception):
38 # TODO: catch and transform
39 """We cannot auto-create a parent directory, because there is a file in
42 def make_handler_for(node, client, parentnode=None, name=None):
44 assert IDirectoryNode.providedBy(parentnode)
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):
63 name = name.decode("utf-8")
65 raise EmptyPathnameComponentError()
66 d = self.node.get(name)
67 d.addBoth(self.got_child, ctx, name)
68 # got_child returns a handler resource: FileNodeHandler or
69 # DirectoryNodeHandler
72 def got_child(self, node_or_failure, ctx, name):
74 if DEBUG: print "GOT_CHILD", name, node_or_failure
77 nonterminal = len(req.postpath) > 1
78 t = get_arg(req, "t", "").strip()
79 if isinstance(node_or_failure, Failure):
81 f.trap(NoSuchChildError)
82 # No child by this name. What should we do about it?
83 if DEBUG: print "no child", name
84 if DEBUG: print "postpath", req.postpath
86 if DEBUG: print " intermediate"
87 if should_create_intermediate_directories(req):
88 # create intermediate directories
89 if DEBUG: print " making intermediate directory"
90 d = self.node.create_subdirectory(name)
91 d.addCallback(make_handler_for,
92 self.client, self.node, name)
95 if DEBUG: print " terminal"
97 if (method,t) in [ ("POST","mkdir"), ("PUT","mkdir"),
98 ("POST", "mkdir-with-children"),
99 ("POST", "mkdir-immutable") ]:
100 if DEBUG: print " making final directory"
103 if t in ("mkdir-with-children", "mkdir-immutable"):
105 kids_json = req.content.read()
106 kids = convert_children_json(self.client.nodemaker,
109 if t == "mkdir-immutable":
111 d = self.node.create_subdirectory(name, kids,
113 d.addCallback(make_handler_for,
114 self.client, self.node, name)
116 if (method,t) in ( ("PUT",""), ("PUT","uri"), ):
117 if DEBUG: print " PUT, making leaf placeholder"
118 # we were trying to find the leaf filenode (to put a new
119 # file in its place), and it didn't exist. That's ok,
120 # since that's the leaf node that we're about to create.
121 # We make a dummy one, which will respond to the PUT
122 # request by replacing itself.
123 return PlaceHolderNodeHandler(self.client, self.node, name)
124 if DEBUG: print " 404"
125 # otherwise, we just return a no-such-child error
128 node = node_or_failure
129 if nonterminal and should_create_intermediate_directories(req):
130 if not IDirectoryNode.providedBy(node):
131 # we would have put a new directory here, but there was a
133 if DEBUG: print "blocking"
134 raise WebError("Unable to create directory '%s': "
135 "a file was in the way" % name,
137 if DEBUG: print "good child"
138 return make_handler_for(node, self.client, self.node, name)
140 def render_DELETE(self, ctx):
141 assert self.parentnode and self.name
142 d = self.parentnode.delete(self.name)
143 d.addCallback(lambda res: self.node.get_uri())
146 def render_GET(self, ctx):
148 # This is where all of the directory-related ?t=* code goes.
149 t = get_arg(req, "t", "").strip()
151 # render the directory as HTML, using the docFactory and Nevow's
152 # whole templating thing.
153 return DirectoryAsHTML(self.node)
156 return DirectoryJSONMetadata(ctx, self.node)
158 return MoreInfo(self.node)
160 return DirectoryURI(ctx, self.node)
161 if t == "readonly-uri":
162 return DirectoryReadonlyURI(ctx, self.node)
163 if t == 'rename-form':
164 return RenameForm(self.node)
166 raise WebError("GET directory: bad t=%s" % t)
168 def render_PUT(self, ctx):
170 t = get_arg(req, "t", "").strip()
171 replace = parse_replace_arg(get_arg(req, "replace", "true"))
174 # our job was done by the traversal/create-intermediate-directory
175 # process that got us here.
176 return text_plain(self.node.get_uri(), ctx) # TODO: urlencode
179 # they're trying to set_uri and that name is already occupied
181 raise ExistingChildError()
182 d = self.replace_me_with_a_childcap(req, self.client, replace)
186 raise WebError("PUT to a directory")
188 def render_POST(self, ctx):
190 t = get_arg(req, "t", "").strip()
193 d = self._POST_mkdir(req)
194 elif t == "mkdir-with-children":
195 d = self._POST_mkdir_with_children(req)
196 elif t == "mkdir-immutable":
197 d = self._POST_mkdir_immutable(req)
200 d = self._POST_mkdir_p(req)
202 d = self._POST_upload(ctx) # this one needs the context
204 d = self._POST_uri(req)
206 d = self._POST_delete(req)
208 d = self._POST_rename(req)
210 d = self._POST_check(req)
211 elif t == "start-deep-check":
212 d = self._POST_start_deep_check(ctx)
213 elif t == "stream-deep-check":
214 d = self._POST_stream_deep_check(ctx)
215 elif t == "start-manifest":
216 d = self._POST_start_manifest(ctx)
217 elif t == "start-deep-size":
218 d = self._POST_start_deep_size(ctx)
219 elif t == "start-deep-stats":
220 d = self._POST_start_deep_stats(ctx)
221 elif t == "stream-manifest":
222 d = self._POST_stream_manifest(ctx)
223 elif t == "set_children":
224 d = self._POST_set_children(req)
226 raise WebError("POST to a directory with bad t=%s" % t)
228 when_done = get_arg(req, "when_done", None)
230 d.addCallback(lambda res: url.URL.fromString(when_done))
233 def _POST_mkdir(self, req):
234 name = get_arg(req, "name", "")
236 # our job is done, it was handled by the code in got_child
237 # which created the final directory (i.e. us)
238 return defer.succeed(self.node.get_uri()) # TODO: urlencode
239 name = name.decode("utf-8")
240 replace = boolean_of_arg(get_arg(req, "replace", "true"))
242 d = self.node.create_subdirectory(name, kids, overwrite=replace)
243 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
246 def _POST_mkdir_with_children(self, req):
247 name = get_arg(req, "name", "")
249 # our job is done, it was handled by the code in got_child
250 # which created the final directory (i.e. us)
251 return defer.succeed(self.node.get_uri()) # TODO: urlencode
252 name = name.decode("utf-8")
253 replace = boolean_of_arg(get_arg(req, "replace", "true"))
255 kids_json = req.content.read()
256 kids = convert_children_json(self.client.nodemaker, kids_json)
257 d = self.node.create_subdirectory(name, kids, overwrite=replace)
258 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
261 def _POST_mkdir_immutable(self, req):
262 name = get_arg(req, "name", "")
264 # our job is done, it was handled by the code in got_child
265 # which created the final directory (i.e. us)
266 return defer.succeed(self.node.get_uri()) # TODO: urlencode
267 name = name.decode("utf-8")
268 replace = boolean_of_arg(get_arg(req, "replace", "true"))
270 kids_json = req.content.read()
271 kids = convert_children_json(self.client.nodemaker, kids_json)
272 d = self.node.create_subdirectory(name, kids, mutable=False)
273 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
276 def _POST_mkdir_p(self, req):
277 path = get_arg(req, "path")
279 raise WebError("mkdir-p requires a path")
280 path_ = tuple([seg.decode("utf-8") for seg in path.split('/') if seg ])
282 d = self._get_or_create_directories(self.node, path_)
283 d.addCallback(lambda node: node.get_uri())
286 def _get_or_create_directories(self, node, path):
287 if not IDirectoryNode.providedBy(node):
288 # unfortunately it is too late to provide the name of the
289 # blocking directory in the error message.
290 raise BlockingFileError("cannot create directory because there "
291 "is a file in the way")
293 return defer.succeed(node)
294 d = node.get(path[0])
295 def _maybe_create(f):
296 f.trap(NoSuchChildError)
297 return node.create_subdirectory(path[0])
298 d.addErrback(_maybe_create)
299 d.addCallback(self._get_or_create_directories, path[1:])
302 def _POST_upload(self, ctx):
304 charset = get_arg(req, "_charset", "utf-8")
305 contents = req.fields["file"]
306 assert contents.filename is None or isinstance(contents.filename, str)
307 name = get_arg(req, "name")
308 name = name or contents.filename
312 # this prohibts empty, missing, and all-whitespace filenames
313 raise WebError("upload requires a name")
314 assert isinstance(name, str)
315 name = name.decode(charset)
317 raise WebError("name= may not contain a slash", http.BAD_REQUEST)
318 assert isinstance(name, unicode)
320 # since POST /uri/path/file?t=upload is equivalent to
321 # POST /uri/path/dir?t=upload&name=foo, just do the same thing that
322 # childFactory would do. Things are cleaner if we only do a subset of
323 # them, though, so we don't do: d = self.childFactory(ctx, name)
325 d = self.node.get(name)
326 def _maybe_got_node(node_or_failure):
327 if isinstance(node_or_failure, Failure):
329 f.trap(NoSuchChildError)
330 # create a placeholder which will see POST t=upload
331 return PlaceHolderNodeHandler(self.client, self.node, name)
333 node = node_or_failure
334 return make_handler_for(node, self.client, self.node, name)
335 d.addBoth(_maybe_got_node)
336 # now we have a placeholder or a filenodehandler, and we can just
337 # delegate to it. We could return the resource back out of
338 # DirectoryNodeHandler.renderHTTP, and nevow would recurse into it,
339 # but the addCallback() that handles when_done= would break.
340 d.addCallback(lambda child: child.renderHTTP(ctx))
343 def _POST_uri(self, req):
344 childcap = get_arg(req, "uri")
346 raise WebError("set-uri requires a uri")
347 name = get_arg(req, "name")
349 raise WebError("set-uri requires a name")
350 charset = get_arg(req, "_charset", "utf-8")
351 name = name.decode(charset)
352 replace = boolean_of_arg(get_arg(req, "replace", "true"))
353 d = self.node.set_uri(name, childcap, childcap, overwrite=replace)
354 d.addCallback(lambda res: childcap)
357 def _POST_delete(self, req):
358 name = get_arg(req, "name")
360 # apparently an <input type="hidden" name="name" value="">
361 # won't show up in the resulting encoded form.. the 'name'
362 # field is completely missing. So to allow deletion of an
363 # empty file, we have to pretend that None means ''. The only
364 # downide of this is a slightly confusing error message if
365 # someone does a POST without a name= field. For our own HTML
366 # thisn't a big deal, because we create the 'delete' POST
369 charset = get_arg(req, "_charset", "utf-8")
370 name = name.decode(charset)
371 d = self.node.delete(name)
372 d.addCallback(lambda res: "thing deleted")
375 def _POST_rename(self, req):
376 charset = get_arg(req, "_charset", "utf-8")
377 from_name = get_arg(req, "from_name")
378 if from_name is not None:
379 from_name = from_name.strip()
380 from_name = from_name.decode(charset)
381 assert isinstance(from_name, unicode)
382 to_name = get_arg(req, "to_name")
383 if to_name is not None:
384 to_name = to_name.strip()
385 to_name = to_name.decode(charset)
386 assert isinstance(to_name, unicode)
387 if not from_name or not to_name:
388 raise WebError("rename requires from_name and to_name")
389 if from_name == to_name:
390 return defer.succeed("redundant rename")
392 # allow from_name to contain slashes, so they can fix names that were
393 # accidentally created with them. But disallow them in to_name, to
394 # discourage the practice.
396 raise WebError("to_name= may not contain a slash", http.BAD_REQUEST)
398 replace = boolean_of_arg(get_arg(req, "replace", "true"))
399 d = self.node.move_child_to(from_name, self.node, to_name, replace)
400 d.addCallback(lambda res: "thing renamed")
403 def _maybe_literal(self, res, Results_Class):
405 return Results_Class(self.client, res)
406 return LiteralCheckResults(self.client)
408 def _POST_check(self, req):
409 # check this directory
410 verify = boolean_of_arg(get_arg(req, "verify", "false"))
411 repair = boolean_of_arg(get_arg(req, "repair", "false"))
412 add_lease = boolean_of_arg(get_arg(req, "add-lease", "false"))
414 d = self.node.check_and_repair(Monitor(), verify, add_lease)
415 d.addCallback(self._maybe_literal, CheckAndRepairResults)
417 d = self.node.check(Monitor(), verify, add_lease)
418 d.addCallback(self._maybe_literal, CheckResults)
421 def _start_operation(self, monitor, renderer, ctx):
422 table = IOpHandleTable(ctx)
423 table.add_monitor(ctx, monitor, renderer)
424 return table.redirect_to(ctx)
426 def _POST_start_deep_check(self, ctx):
427 # check this directory and everything reachable from it
428 if not get_arg(ctx, "ophandle"):
429 raise NeedOperationHandleError("slow operation requires ophandle=")
430 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
431 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
432 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
434 monitor = self.node.start_deep_check_and_repair(verify, add_lease)
435 renderer = DeepCheckAndRepairResults(self.client, monitor)
437 monitor = self.node.start_deep_check(verify, add_lease)
438 renderer = DeepCheckResults(self.client, monitor)
439 return self._start_operation(monitor, renderer, ctx)
441 def _POST_stream_deep_check(self, ctx):
442 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
443 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
444 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
445 walker = DeepCheckStreamer(ctx, self.node, verify, repair, add_lease)
446 monitor = self.node.deep_traverse(walker)
447 walker.setMonitor(monitor)
448 # register to hear stopProducing. The walker ignores pauseProducing.
449 IRequest(ctx).registerProducer(walker, True)
450 d = monitor.when_done()
452 IRequest(ctx).unregisterProducer()
456 f.trap(OperationCancelledError)
457 return "Operation Cancelled"
458 d.addErrback(_cancelled)
460 # signal the error as a non-JSON "ERROR:" line, plus exception
461 msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__,
462 ", ".join([str(a) for a in f.value.args]))
468 def _POST_start_manifest(self, ctx):
469 if not get_arg(ctx, "ophandle"):
470 raise NeedOperationHandleError("slow operation requires ophandle=")
471 monitor = self.node.build_manifest()
472 renderer = ManifestResults(self.client, monitor)
473 return self._start_operation(monitor, renderer, ctx)
475 def _POST_start_deep_size(self, ctx):
476 if not get_arg(ctx, "ophandle"):
477 raise NeedOperationHandleError("slow operation requires ophandle=")
478 monitor = self.node.start_deep_stats()
479 renderer = DeepSizeResults(self.client, monitor)
480 return self._start_operation(monitor, renderer, ctx)
482 def _POST_start_deep_stats(self, ctx):
483 if not get_arg(ctx, "ophandle"):
484 raise NeedOperationHandleError("slow operation requires ophandle=")
485 monitor = self.node.start_deep_stats()
486 renderer = DeepStatsResults(self.client, monitor)
487 return self._start_operation(monitor, renderer, ctx)
489 def _POST_stream_manifest(self, ctx):
490 walker = ManifestStreamer(ctx, self.node)
491 monitor = self.node.deep_traverse(walker)
492 walker.setMonitor(monitor)
493 # register to hear stopProducing. The walker ignores pauseProducing.
494 IRequest(ctx).registerProducer(walker, True)
495 d = monitor.when_done()
497 IRequest(ctx).unregisterProducer()
501 f.trap(OperationCancelledError)
502 return "Operation Cancelled"
503 d.addErrback(_cancelled)
505 # signal the error as a non-JSON "ERROR:" line, plus exception
506 msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__,
507 ", ".join([str(a) for a in f.value.args]))
513 def _POST_set_children(self, req):
514 replace = boolean_of_arg(get_arg(req, "replace", "true"))
516 body = req.content.read()
518 children = simplejson.loads(body)
519 except ValueError, le:
520 le.args = tuple(le.args + (body,))
521 # TODO test handling of bad JSON
524 for name, (file_or_dir, mddict) in children.iteritems():
525 name = unicode(name) # simplejson-2.0.1 returns str *or* unicode
526 writecap = mddict.get('rw_uri')
527 if writecap is not None:
528 writecap = str(writecap)
529 readcap = mddict.get('ro_uri')
530 if readcap is not None:
531 readcap = str(readcap)
532 cs[name] = (writecap, readcap, mddict.get('metadata'))
533 d = self.node.set_children(cs, replace)
534 d.addCallback(lambda res: "Okay so I did it.")
538 def abbreviated_dirnode(dirnode):
539 u = from_string_dirnode(dirnode.get_uri())
542 class DirectoryAsHTML(rend.Page):
543 # The remainder of this class is to render the directory into
544 # human+browser -oriented HTML.
545 docFactory = getxmlfile("directory.xhtml")
548 def __init__(self, node):
549 rend.Page.__init__(self)
552 def beforeRender(self, ctx):
553 # attempt to get the dirnode's children, stashing them (or the
554 # failure that results) for later use
557 # Deferreds don't optimize out tail recursion, and the way
558 # Nevow's flattener handles Deferreds doesn't take this into
559 # account. As a result, large lists of Deferreds that fire in the
560 # same turn (i.e. the output of defer.succeed) will cause a stack
561 # overflow. To work around this, we insert a turn break after
562 # every 100 items, using foolscap's fireEventually(). This gives
563 # the stack a chance to be popped. It would also work to put
564 # every item in its own turn, but that'd be a lot more
565 # inefficient. This addresses ticket #237, for which I was never
566 # able to create a failing unit test.
568 for i,item in enumerate(sorted(children.items())):
570 output.append(fireEventually(item))
573 self.dirnode_children = output
576 text, code = humanize_failure(f)
577 self.dirnode_children = None
578 self.dirnode_children_error = text
580 d.addCallbacks(_good, _bad)
583 def render_title(self, ctx, data):
584 si_s = abbreviated_dirnode(self.node)
585 header = ["Tahoe-LAFS - Directory SI=%s" % si_s]
586 if self.node.is_readonly():
587 header.append(" (read-only)")
589 header.append(" (modifiable)")
590 return ctx.tag[header]
592 def render_header(self, ctx, data):
593 si_s = abbreviated_dirnode(self.node)
594 header = ["Tahoe-LAFS Directory SI=", T.span(class_="data-chars")[si_s]]
595 if self.node.is_readonly():
596 header.append(" (read-only)")
597 return ctx.tag[header]
599 def render_welcome(self, ctx, data):
601 return T.div[T.a(href=link)["Return to Welcome page"]]
603 def render_show_readonly(self, ctx, data):
604 if self.node.is_readonly():
606 rocap = self.node.get_readonly_uri()
608 uri_link = "%s/uri/%s/" % (root, urllib.quote(rocap))
609 return ctx.tag[T.a(href=uri_link)["Read-Only Version"]]
611 def render_try_children(self, ctx, data):
612 # if the dirnode can be retrived, render a table of children.
613 # Otherwise, render an apologetic error message.
614 if self.dirnode_children is not None:
617 return T.div[T.p["Error reading directory:"],
618 T.p[self.dirnode_children_error]]
620 def data_children(self, ctx, data):
621 return self.dirnode_children
623 def render_row(self, ctx, data):
624 name, (target, metadata) = data
625 name = name.encode("utf-8")
626 assert not isinstance(name, unicode)
627 nameurl = urllib.quote(name, safe="") # encode any slashes too
630 here = "%s/uri/%s/" % (root, urllib.quote(self.node.get_uri()))
631 if self.node.is_readonly():
635 # this creates a button which will cause our child__delete method
636 # to be invoked, which deletes the file and then redirects the
637 # browser back to this directory
638 delete = T.form(action=here, method="post")[
639 T.input(type='hidden', name='t', value='delete'),
640 T.input(type='hidden', name='name', value=name),
641 T.input(type='hidden', name='when_done', value="."),
642 T.input(type='submit', value='del', name="del"),
645 rename = T.form(action=here, method="get")[
646 T.input(type='hidden', name='t', value='rename-form'),
647 T.input(type='hidden', name='name', value=name),
648 T.input(type='hidden', name='when_done', value="."),
649 T.input(type='submit', value='rename', name="rename"),
652 ctx.fillSlots("delete", delete)
653 ctx.fillSlots("rename", rename)
656 linkcrtime = metadata.get('tahoe', {}).get("linkcrtime")
657 if linkcrtime is not None:
658 times.append("lcr: " + time_format.iso_local(linkcrtime))
660 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
661 if "ctime" in metadata:
662 ctime = time_format.iso_local(metadata["ctime"])
663 times.append("c: " + ctime)
664 linkmotime = metadata.get('tahoe', {}).get("linkmotime")
665 if linkmotime is not None:
668 times.append("lmo: " + time_format.iso_local(linkmotime))
670 # For backwards-compatibility with links last modified by Tahoe < 1.4.0:
671 if "mtime" in metadata:
672 mtime = time_format.iso_local(metadata["mtime"])
675 times.append("m: " + mtime)
676 ctx.fillSlots("times", times)
678 assert IFilesystemNode.providedBy(target), target
679 writecap = target.get_uri() or ""
680 quoted_uri = urllib.quote(writecap, safe="") # escape slashes too
682 if IMutableFileNode.providedBy(target):
683 # to prevent javascript in displayed .html files from stealing a
684 # secret directory URI from the URL, send the browser to a URI-based
685 # page that doesn't know about the directory at all
686 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
688 ctx.fillSlots("filename",
689 T.a(href=dlurl)[html.escape(name)])
690 ctx.fillSlots("type", "SSK")
692 ctx.fillSlots("size", "?")
694 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
696 elif IImmutableFileNode.providedBy(target):
697 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
699 ctx.fillSlots("filename",
700 T.a(href=dlurl)[html.escape(name)])
701 ctx.fillSlots("type", "FILE")
703 ctx.fillSlots("size", target.get_size())
705 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
707 elif IDirectoryNode.providedBy(target):
709 uri_link = "%s/uri/%s/" % (root, urllib.quote(writecap))
710 ctx.fillSlots("filename",
711 T.a(href=uri_link)[html.escape(name)])
712 if not target.is_mutable():
714 elif target.is_readonly():
718 ctx.fillSlots("type", dirtype)
719 ctx.fillSlots("size", "-")
720 info_link = "%s/uri/%s/?t=info" % (root, quoted_uri)
724 ctx.fillSlots("filename", html.escape(name))
725 ctx.fillSlots("type", "?")
726 ctx.fillSlots("size", "-")
727 # use a directory-relative info link, so we can extract both the
728 # writecap and the readcap
729 info_link = "%s?t=info" % urllib.quote(name)
731 ctx.fillSlots("info", T.a(href=info_link)["More Info"])
735 def render_forms(self, ctx, data):
738 if self.node.is_readonly():
739 return T.div["No upload forms: directory is read-only"]
740 if self.dirnode_children is None:
741 return T.div["No upload forms: directory is unreadable"]
743 mkdir = T.form(action=".", method="post",
744 enctype="multipart/form-data")[
746 T.input(type="hidden", name="t", value="mkdir"),
747 T.input(type="hidden", name="when_done", value="."),
748 T.legend(class_="freeform-form-label")["Create a new directory in this directory"],
749 "New directory name: ",
750 T.input(type="text", name="name"), " ",
751 T.input(type="submit", value="Create"),
753 forms.append(T.div(class_="freeform-form")[mkdir])
755 upload = T.form(action=".", method="post",
756 enctype="multipart/form-data")[
758 T.input(type="hidden", name="t", value="upload"),
759 T.input(type="hidden", name="when_done", value="."),
760 T.legend(class_="freeform-form-label")["Upload a file to this directory"],
761 "Choose a file to upload: ",
762 T.input(type="file", name="file", class_="freeform-input-file"),
764 T.input(type="submit", value="Upload"),
766 T.input(type="checkbox", name="mutable"),
768 forms.append(T.div(class_="freeform-form")[upload])
770 mount = T.form(action=".", method="post",
771 enctype="multipart/form-data")[
773 T.input(type="hidden", name="t", value="uri"),
774 T.input(type="hidden", name="when_done", value="."),
775 T.legend(class_="freeform-form-label")["Add a link to a file or directory which is already in Tahoe-LAFS."],
777 T.input(type="text", name="name"), " ",
778 "URI of new child: ",
779 T.input(type="text", name="uri"), " ",
780 T.input(type="submit", value="Attach"),
782 forms.append(T.div(class_="freeform-form")[mount])
785 def render_results(self, ctx, data):
787 return get_arg(req, "results", "")
790 def DirectoryJSONMetadata(ctx, dirnode):
794 for name, (childnode, metadata) in children.iteritems():
795 assert IFilesystemNode.providedBy(childnode), childnode
796 rw_uri = childnode.get_uri()
797 ro_uri = childnode.get_readonly_uri()
798 if IFileNode.providedBy(childnode):
799 if childnode.is_readonly():
801 kiddata = ("filenode", {'size': childnode.get_size(),
802 'mutable': childnode.is_mutable(),
804 elif IDirectoryNode.providedBy(childnode):
805 if childnode.is_readonly():
807 kiddata = ("dirnode", {'mutable': childnode.is_mutable()})
809 kiddata = ("unknown", {})
810 kiddata[1]["metadata"] = metadata
812 kiddata[1]["ro_uri"] = ro_uri
814 kiddata[1]["rw_uri"] = rw_uri
815 verifycap = childnode.get_verify_cap()
817 kiddata[1]['verify_uri'] = verifycap.to_string()
819 if dirnode.is_readonly():
821 dro_uri = dirnode.get_uri()
823 drw_uri = dirnode.get_uri()
824 dro_uri = dirnode.get_readonly_uri()
825 contents = { 'children': kids }
827 contents['ro_uri'] = dro_uri
829 contents['rw_uri'] = drw_uri
830 verifycap = dirnode.get_verify_cap()
832 contents['verify_uri'] = verifycap.to_string()
833 contents['mutable'] = dirnode.is_mutable()
834 data = ("dirnode", contents)
835 return simplejson.dumps(data, indent=1) + "\n"
837 d.addCallback(text_plain, ctx)
842 def DirectoryURI(ctx, dirnode):
843 return text_plain(dirnode.get_uri(), ctx)
845 def DirectoryReadonlyURI(ctx, dirnode):
846 return text_plain(dirnode.get_readonly_uri(), ctx)
848 class RenameForm(rend.Page):
850 docFactory = getxmlfile("rename-form.xhtml")
852 def render_title(self, ctx, data):
853 return ctx.tag["Directory SI=%s" % abbreviated_dirnode(self.original)]
855 def render_header(self, ctx, data):
857 "in directory SI=%s" % abbreviated_dirnode(self.original),
860 if self.original.is_readonly():
861 header.append(" (readonly!)")
863 return ctx.tag[header]
865 def render_when_done(self, ctx, data):
866 return T.input(type="hidden", name="when_done", value=".")
868 def render_get_name(self, ctx, data):
870 name = get_arg(req, "name", "")
871 ctx.tag.attributes['value'] = name
875 class ManifestResults(rend.Page, ReloadMixin):
876 docFactory = getxmlfile("manifest.xhtml")
878 def __init__(self, client, monitor):
880 self.monitor = monitor
882 def renderHTTP(self, ctx):
883 req = inevow.IRequest(ctx)
884 output = get_arg(req, "output", "html").lower()
886 return self.text(req)
888 return self.json(req)
889 return rend.Page.renderHTTP(self, ctx)
891 def slashify_path(self, path):
894 return "/".join([p.encode("utf-8") for p in path])
897 req.setHeader("content-type", "text/plain")
899 is_finished = self.monitor.is_finished()
900 lines.append("finished: " + {True: "yes", False: "no"}[is_finished])
901 for (path, cap) in self.monitor.get_status()["manifest"]:
902 lines.append(self.slashify_path(path) + " " + cap)
903 return "\n".join(lines) + "\n"
906 req.setHeader("content-type", "text/plain")
910 status = { "stats": s["stats"],
911 "finished": m.is_finished(),
912 "origin": base32.b2a(m.origin_si),
915 # don't return manifest/verifycaps/SIs unless the operation is
916 # done, to save on CPU/memory (both here and in the HTTP client
917 # who has to unpack the JSON). Tests show that the ManifestWalker
918 # needs about 1092 bytes per item, the JSON we generate here
919 # requires about 503 bytes per item, and some internal overhead
920 # (perhaps transport-layer buffers in twisted.web?) requires an
921 # additional 1047 bytes per item.
922 status.update({ "manifest": s["manifest"],
923 "verifycaps": [i for i in s["verifycaps"]],
924 "storage-index": [i for i in s["storage-index"]],
926 # simplejson doesn't know how to serialize a set. We use a
927 # generator that walks the set rather than list(setofthing) to
928 # save a small amount of memory (4B*len) and a moderate amount of
930 return simplejson.dumps(status, indent=1)
932 def _si_abbrev(self):
933 return base32.b2a(self.monitor.origin_si)[:6]
935 def render_title(self, ctx):
936 return T.title["Manifest of SI=%s" % self._si_abbrev()]
938 def render_header(self, ctx):
939 return T.p["Manifest of SI=%s" % self._si_abbrev()]
941 def data_items(self, ctx, data):
942 return self.monitor.get_status()["manifest"]
944 def render_row(self, ctx, (path, cap)):
945 ctx.fillSlots("path", self.slashify_path(path))
947 # TODO: we need a clean consistent way to get the type of a cap string
949 if cap.startswith("URI:CHK") or cap.startswith("URI:SSK"):
950 nameurl = urllib.quote(path[-1].encode("utf-8"))
951 uri_link = "%s/file/%s/@@named=/%s" % (root, urllib.quote(cap),
954 uri_link = "%s/uri/%s" % (root, urllib.quote(cap, safe=""))
955 ctx.fillSlots("cap", T.a(href=uri_link)[cap])
957 ctx.fillSlots("cap", "")
960 class DeepSizeResults(rend.Page):
961 def __init__(self, client, monitor):
963 self.monitor = monitor
965 def renderHTTP(self, ctx):
966 req = inevow.IRequest(ctx)
967 output = get_arg(req, "output", "html").lower()
968 req.setHeader("content-type", "text/plain")
970 return self.json(req)
972 is_finished = self.monitor.is_finished()
973 output = "finished: " + {True: "yes", False: "no"}[is_finished] + "\n"
975 stats = self.monitor.get_status()
976 total = (stats.get("size-immutable-files", 0)
977 + stats.get("size-mutable-files", 0)
978 + stats.get("size-directories", 0))
979 output += "size: %d\n" % total
983 status = {"finished": self.monitor.is_finished(),
984 "size": self.monitor.get_status(),
986 return simplejson.dumps(status)
988 class DeepStatsResults(rend.Page):
989 def __init__(self, client, monitor):
991 self.monitor = monitor
993 def renderHTTP(self, ctx):
995 inevow.IRequest(ctx).setHeader("content-type", "text/plain")
996 s = self.monitor.get_status().copy()
997 s["finished"] = self.monitor.is_finished()
998 return simplejson.dumps(s, indent=1)
1000 class ManifestStreamer(dirnode.DeepStats):
1001 implements(IPushProducer)
1003 def __init__(self, ctx, origin):
1004 dirnode.DeepStats.__init__(self, origin)
1005 self.req = IRequest(ctx)
1007 def setMonitor(self, monitor):
1008 self.monitor = monitor
1009 def pauseProducing(self):
1011 def resumeProducing(self):
1013 def stopProducing(self):
1014 self.monitor.cancel()
1016 def add_node(self, node, path):
1017 dirnode.DeepStats.add_node(self, node, path)
1019 "cap": node.get_uri()}
1021 if IDirectoryNode.providedBy(node):
1022 d["type"] = "directory"
1023 elif IFileNode.providedBy(node):
1026 d["type"] = "unknown"
1028 v = node.get_verify_cap()
1033 r = node.get_repair_cap()
1038 si = node.get_storage_index()
1041 d["storage-index"] = si
1043 j = simplejson.dumps(d, ensure_ascii=True)
1044 assert "\n" not in j
1045 self.req.write(j+"\n")
1048 stats = dirnode.DeepStats.get_results(self)
1049 d = {"type": "stats",
1052 j = simplejson.dumps(d, ensure_ascii=True)
1053 assert "\n" not in j
1054 self.req.write(j+"\n")
1057 class DeepCheckStreamer(dirnode.DeepStats):
1058 implements(IPushProducer)
1060 def __init__(self, ctx, origin, verify, repair, add_lease):
1061 dirnode.DeepStats.__init__(self, origin)
1062 self.req = IRequest(ctx)
1063 self.verify = verify
1064 self.repair = repair
1065 self.add_lease = add_lease
1067 def setMonitor(self, monitor):
1068 self.monitor = monitor
1069 def pauseProducing(self):
1071 def resumeProducing(self):
1073 def stopProducing(self):
1074 self.monitor.cancel()
1076 def add_node(self, node, path):
1077 dirnode.DeepStats.add_node(self, node, path)
1078 data = {"path": path,
1079 "cap": node.get_uri()}
1081 if IDirectoryNode.providedBy(node):
1082 data["type"] = "directory"
1084 data["type"] = "file"
1086 v = node.get_verify_cap()
1089 data["verifycap"] = v
1091 r = node.get_repair_cap()
1094 data["repaircap"] = r
1096 si = node.get_storage_index()
1099 data["storage-index"] = si
1102 d = node.check_and_repair(self.monitor, self.verify, self.add_lease)
1103 d.addCallback(self.add_check_and_repair, data)
1105 d = node.check(self.monitor, self.verify, self.add_lease)
1106 d.addCallback(self.add_check, data)
1107 d.addCallback(self.write_line)
1110 def add_check_and_repair(self, crr, data):
1111 data["check-and-repair-results"] = json_check_and_repair_results(crr)
1114 def add_check(self, cr, data):
1115 data["check-results"] = json_check_results(cr)
1118 def write_line(self, data):
1119 j = simplejson.dumps(data, ensure_ascii=True)
1120 assert "\n" not in j
1121 self.req.write(j+"\n")
1124 stats = dirnode.DeepStats.get_results(self)
1125 d = {"type": "stats",
1128 j = simplejson.dumps(d, ensure_ascii=True)
1129 assert "\n" not in j
1130 self.req.write(j+"\n")
1133 class UnknownNodeHandler(RenderMixin, rend.Page):
1135 def __init__(self, client, node, parentnode=None, name=None):
1136 rend.Page.__init__(self)
1140 def render_GET(self, ctx):
1142 t = get_arg(req, "t", "").strip()
1144 return MoreInfo(self.node)
1145 raise WebError("GET unknown URI type: can only do t=info, not t=%s" % t)