6 from zope.interface import implements
7 from twisted.internet import defer
8 from twisted.internet.interfaces import IPushProducer
9 from twisted.python.failure import Failure
10 from twisted.web import http, html
11 from nevow import url, rend, inevow, tags as T
12 from nevow.inevow import IRequest
14 from foolscap.eventual import fireEventually
16 from allmydata.util import base32
17 from allmydata.uri import from_string_dirnode
18 from allmydata.interfaces import IDirectoryNode, IFileNode, IMutableFileNode, \
19 ExistingChildError, NoSuchChildError
20 from allmydata.monitor import Monitor, OperationCancelledError
21 from allmydata import dirnode
22 from allmydata.web.common import text_plain, WebError, \
23 IClient, IOpHandleTable, NeedOperationHandleError, \
24 boolean_of_arg, get_arg, get_root, \
25 should_create_intermediate_directories, \
26 getxmlfile, RenderMixin
27 from allmydata.web.filenode import ReplaceMeMixin, \
28 FileNodeHandler, PlaceHolderNodeHandler
29 from allmydata.web.check_results import CheckResults, \
30 CheckAndRepairResults, DeepCheckResults, DeepCheckAndRepairResults
31 from allmydata.web.info import MoreInfo
32 from allmydata.web.operations import ReloadMixin
33 from allmydata.web.check_results import json_check_results, \
34 json_check_and_repair_results
36 class BlockingFileError(Exception):
37 # TODO: catch and transform
38 """We cannot auto-create a parent directory, because there is a file in
41 def make_handler_for(node, parentnode=None, name=None):
43 assert IDirectoryNode.providedBy(parentnode)
44 if IMutableFileNode.providedBy(node):
45 return FileNodeHandler(node, parentnode, name)
46 if IFileNode.providedBy(node):
47 return FileNodeHandler(node, parentnode, name)
48 if IDirectoryNode.providedBy(node):
49 return DirectoryNodeHandler(node, parentnode, name)
50 raise WebError("Cannot provide handler for '%s'" % node)
52 class DirectoryNodeHandler(RenderMixin, rend.Page, ReplaceMeMixin):
55 def __init__(self, node, parentnode=None, name=None):
56 rend.Page.__init__(self)
59 self.parentnode = parentnode
62 def childFactory(self, ctx, name):
64 name = name.decode("utf-8")
65 d = self.node.get(name)
66 d.addBoth(self.got_child, ctx, name)
67 # got_child returns a handler resource: FileNodeHandler or
68 # DirectoryNodeHandler
71 def got_child(self, node_or_failure, ctx, name):
73 if DEBUG: print "GOT_CHILD", name, node_or_failure
76 nonterminal = len(req.postpath) > 1
77 t = get_arg(req, "t", "").strip()
78 if isinstance(node_or_failure, Failure):
80 f.trap(NoSuchChildError)
81 # No child by this name. What should we do about it?
82 if DEBUG: print "no child", name
83 if DEBUG: print "postpath", req.postpath
85 if DEBUG: print " intermediate"
86 if should_create_intermediate_directories(req):
87 # create intermediate directories
88 if DEBUG: print " making intermediate directory"
89 d = self.node.create_empty_directory(name)
90 d.addCallback(make_handler_for, self.node, name)
93 if DEBUG: print " terminal"
95 if (method,t) in [ ("POST","mkdir"), ("PUT","mkdir") ]:
96 if DEBUG: print " making final directory"
98 d = self.node.create_empty_directory(name)
99 d.addCallback(make_handler_for, self.node, name)
101 if (method,t) in ( ("PUT",""), ("PUT","uri"), ):
102 if DEBUG: print " PUT, making leaf placeholder"
103 # we were trying to find the leaf filenode (to put a new
104 # file in its place), and it didn't exist. That's ok,
105 # since that's the leaf node that we're about to create.
106 # We make a dummy one, which will respond to the PUT
107 # request by replacing itself.
108 return PlaceHolderNodeHandler(self.node, name)
109 if DEBUG: print " 404"
110 # otherwise, we just return a no-such-child error
111 return rend.FourOhFour()
113 node = node_or_failure
114 if nonterminal and should_create_intermediate_directories(req):
115 if not IDirectoryNode.providedBy(node):
116 # we would have put a new directory here, but there was a
118 if DEBUG: print "blocking"
119 raise WebError("Unable to create directory '%s': "
120 "a file was in the way" % name,
122 if DEBUG: print "good child"
123 return make_handler_for(node, self.node, name)
125 def render_DELETE(self, ctx):
126 assert self.parentnode and self.name
127 d = self.parentnode.delete(self.name)
128 d.addCallback(lambda res: self.node.get_uri())
131 def render_GET(self, ctx):
132 client = IClient(ctx)
134 # This is where all of the directory-related ?t=* code goes.
135 t = get_arg(req, "t", "").strip()
137 # render the directory as HTML, using the docFactory and Nevow's
138 # whole templating thing.
139 return DirectoryAsHTML(self.node)
142 return DirectoryJSONMetadata(ctx, self.node)
144 return MoreInfo(self.node)
146 return DirectoryURI(ctx, self.node)
147 if t == "readonly-uri":
148 return DirectoryReadonlyURI(ctx, self.node)
149 if t == 'rename-form':
150 return RenameForm(self.node)
152 raise WebError("GET directory: bad t=%s" % t)
154 def render_PUT(self, ctx):
156 t = get_arg(req, "t", "").strip()
157 replace = boolean_of_arg(get_arg(req, "replace", "true"))
159 # our job was done by the traversal/create-intermediate-directory
160 # process that got us here.
161 return text_plain(self.node.get_uri(), ctx) # TODO: urlencode
164 # they're trying to set_uri and that name is already occupied
166 raise ExistingChildError()
167 d = self.replace_me_with_a_childcap(ctx, replace)
171 raise WebError("PUT to a directory")
173 def render_POST(self, ctx):
175 t = get_arg(req, "t", "").strip()
178 d = self._POST_mkdir(req)
181 d = self._POST_mkdir_p(req)
183 d = self._POST_upload(ctx) # this one needs the context
185 d = self._POST_uri(req)
187 d = self._POST_delete(req)
189 d = self._POST_rename(req)
191 d = self._POST_check(req)
192 elif t == "start-deep-check":
193 d = self._POST_start_deep_check(ctx)
194 elif t == "stream-deep-check":
195 d = self._POST_stream_deep_check(ctx)
196 elif t == "start-manifest":
197 d = self._POST_start_manifest(ctx)
198 elif t == "start-deep-size":
199 d = self._POST_start_deep_size(ctx)
200 elif t == "start-deep-stats":
201 d = self._POST_start_deep_stats(ctx)
202 elif t == "stream-manifest":
203 d = self._POST_stream_manifest(ctx)
204 elif t == "set_children":
206 d = self._POST_set_children(req)
208 raise WebError("POST to a directory with bad t=%s" % t)
210 when_done = get_arg(req, "when_done", None)
212 d.addCallback(lambda res: url.URL.fromString(when_done))
215 def _POST_mkdir(self, req):
216 name = get_arg(req, "name", "")
218 # our job is done, it was handled by the code in got_child
219 # which created the final directory (i.e. us)
220 return defer.succeed(self.node.get_uri()) # TODO: urlencode
221 name = name.decode("utf-8")
222 replace = boolean_of_arg(get_arg(req, "replace", "true"))
223 d = self.node.create_empty_directory(name, overwrite=replace)
224 d.addCallback(lambda child: child.get_uri()) # TODO: urlencode
227 def _POST_mkdir_p(self, req):
228 path = get_arg(req, "path")
230 raise WebError("mkdir-p requires a path")
231 path_ = tuple([seg.decode("utf-8") for seg in path.split('/') if seg ])
233 d = self._get_or_create_directories(self.node, path_)
234 d.addCallback(lambda node: node.get_uri())
237 def _get_or_create_directories(self, node, path):
238 if not IDirectoryNode.providedBy(node):
239 # unfortunately it is too late to provide the name of the
240 # blocking directory in the error message.
241 raise BlockingFileError("cannot create directory because there "
242 "is a file in the way")
244 return defer.succeed(node)
245 d = node.get(path[0])
246 def _maybe_create(f):
247 f.trap(NoSuchChildError)
248 return node.create_empty_directory(path[0])
249 d.addErrback(_maybe_create)
250 d.addCallback(self._get_or_create_directories, path[1:])
253 def _POST_upload(self, ctx):
255 charset = get_arg(req, "_charset", "utf-8")
256 contents = req.fields["file"]
257 assert contents.filename is None or isinstance(contents.filename, str)
258 name = get_arg(req, "name")
259 name = name or contents.filename
263 # this prohibts empty, missing, and all-whitespace filenames
264 raise WebError("upload requires a name")
265 assert isinstance(name, str)
266 name = name.decode(charset)
268 raise WebError("name= may not contain a slash", http.BAD_REQUEST)
269 assert isinstance(name, unicode)
271 # since POST /uri/path/file?t=upload is equivalent to
272 # POST /uri/path/dir?t=upload&name=foo, just do the same thing that
273 # childFactory would do. Things are cleaner if we only do a subset of
274 # them, though, so we don't do: d = self.childFactory(ctx, name)
276 d = self.node.get(name)
277 def _maybe_got_node(node_or_failure):
278 if isinstance(node_or_failure, Failure):
280 f.trap(NoSuchChildError)
281 # create a placeholder which will see POST t=upload
282 return PlaceHolderNodeHandler(self.node, name)
284 node = node_or_failure
285 return make_handler_for(node, self.node, name)
286 d.addBoth(_maybe_got_node)
287 # now we have a placeholder or a filenodehandler, and we can just
288 # delegate to it. We could return the resource back out of
289 # DirectoryNodeHandler.renderHTTP, and nevow would recurse into it,
290 # but the addCallback() that handles when_done= would break.
291 d.addCallback(lambda child: child.renderHTTP(ctx))
294 def _POST_uri(self, req):
295 childcap = get_arg(req, "uri")
297 raise WebError("set-uri requires a uri")
298 name = get_arg(req, "name")
300 raise WebError("set-uri requires a name")
301 charset = get_arg(req, "_charset", "utf-8")
302 name = name.decode(charset)
303 replace = boolean_of_arg(get_arg(req, "replace", "true"))
304 d = self.node.set_uri(name, childcap, overwrite=replace)
305 d.addCallback(lambda res: childcap)
308 def _POST_delete(self, req):
309 name = get_arg(req, "name")
311 # apparently an <input type="hidden" name="name" value="">
312 # won't show up in the resulting encoded form.. the 'name'
313 # field is completely missing. So to allow deletion of an
314 # empty file, we have to pretend that None means ''. The only
315 # downide of this is a slightly confusing error message if
316 # someone does a POST without a name= field. For our own HTML
317 # thisn't a big deal, because we create the 'delete' POST
320 charset = get_arg(req, "_charset", "utf-8")
321 name = name.decode(charset)
322 d = self.node.delete(name)
323 d.addCallback(lambda res: "thing deleted")
326 def _POST_rename(self, req):
327 charset = get_arg(req, "_charset", "utf-8")
328 from_name = get_arg(req, "from_name")
329 if from_name is not None:
330 from_name = from_name.strip()
331 from_name = from_name.decode(charset)
332 assert isinstance(from_name, unicode)
333 to_name = get_arg(req, "to_name")
334 if to_name is not None:
335 to_name = to_name.strip()
336 to_name = to_name.decode(charset)
337 assert isinstance(to_name, unicode)
338 if not from_name or not to_name:
339 raise WebError("rename requires from_name and to_name")
340 if from_name == to_name:
341 return defer.succeed("redundant rename")
343 # allow from_name to contain slashes, so they can fix names that were
344 # accidentally created with them. But disallow them in to_name, to
345 # discourage the practice.
347 raise WebError("to_name= may not contain a slash", http.BAD_REQUEST)
349 replace = boolean_of_arg(get_arg(req, "replace", "true"))
350 d = self.node.move_child_to(from_name, self.node, to_name, replace)
351 d.addCallback(lambda res: "thing renamed")
354 def _POST_check(self, req):
355 # check this directory
356 verify = boolean_of_arg(get_arg(req, "verify", "false"))
357 repair = boolean_of_arg(get_arg(req, "repair", "false"))
358 add_lease = boolean_of_arg(get_arg(req, "add-lease", "false"))
360 d = self.node.check_and_repair(Monitor(), verify, add_lease)
361 d.addCallback(lambda res: CheckAndRepairResults(res))
363 d = self.node.check(Monitor(), verify, add_lease)
364 d.addCallback(lambda res: CheckResults(res))
367 def _start_operation(self, monitor, renderer, ctx):
368 table = IOpHandleTable(ctx)
369 table.add_monitor(ctx, monitor, renderer)
370 return table.redirect_to(ctx)
372 def _POST_start_deep_check(self, ctx):
373 # check this directory and everything reachable from it
374 if not get_arg(ctx, "ophandle"):
375 raise NeedOperationHandleError("slow operation requires ophandle=")
376 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
377 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
378 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
380 monitor = self.node.start_deep_check_and_repair(verify, add_lease)
381 renderer = DeepCheckAndRepairResults(monitor)
383 monitor = self.node.start_deep_check(verify, add_lease)
384 renderer = DeepCheckResults(monitor)
385 return self._start_operation(monitor, renderer, ctx)
387 def _POST_stream_deep_check(self, ctx):
388 verify = boolean_of_arg(get_arg(ctx, "verify", "false"))
389 repair = boolean_of_arg(get_arg(ctx, "repair", "false"))
390 add_lease = boolean_of_arg(get_arg(ctx, "add-lease", "false"))
391 walker = DeepCheckStreamer(ctx, self.node, verify, repair, add_lease)
392 monitor = self.node.deep_traverse(walker)
393 walker.setMonitor(monitor)
394 # register to hear stopProducing. The walker ignores pauseProducing.
395 IRequest(ctx).registerProducer(walker, True)
396 d = monitor.when_done()
398 IRequest(ctx).unregisterProducer()
402 f.trap(OperationCancelledError)
403 return "Operation Cancelled"
404 d.addErrback(_cancelled)
407 def _POST_start_manifest(self, ctx):
408 if not get_arg(ctx, "ophandle"):
409 raise NeedOperationHandleError("slow operation requires ophandle=")
410 monitor = self.node.build_manifest()
411 renderer = ManifestResults(monitor)
412 return self._start_operation(monitor, renderer, ctx)
414 def _POST_start_deep_size(self, ctx):
415 if not get_arg(ctx, "ophandle"):
416 raise NeedOperationHandleError("slow operation requires ophandle=")
417 monitor = self.node.start_deep_stats()
418 renderer = DeepSizeResults(monitor)
419 return self._start_operation(monitor, renderer, ctx)
421 def _POST_start_deep_stats(self, ctx):
422 if not get_arg(ctx, "ophandle"):
423 raise NeedOperationHandleError("slow operation requires ophandle=")
424 monitor = self.node.start_deep_stats()
425 renderer = DeepStatsResults(monitor)
426 return self._start_operation(monitor, renderer, ctx)
428 def _POST_stream_manifest(self, ctx):
429 walker = ManifestStreamer(ctx, self.node)
430 monitor = self.node.deep_traverse(walker)
431 walker.setMonitor(monitor)
432 # register to hear stopProducing. The walker ignores pauseProducing.
433 IRequest(ctx).registerProducer(walker, True)
434 d = monitor.when_done()
436 IRequest(ctx).unregisterProducer()
440 f.trap(OperationCancelledError)
441 return "Operation Cancelled"
442 d.addErrback(_cancelled)
445 def _POST_set_children(self, req):
446 replace = boolean_of_arg(get_arg(req, "replace", "true"))
448 body = req.content.read()
450 children = simplejson.loads(body)
451 except ValueError, le:
452 le.args = tuple(le.args + (body,))
453 # TODO test handling of bad JSON
456 for name, (file_or_dir, mddict) in children.iteritems():
457 name = unicode(name) # simplejson-2.0.1 returns str *or* unicode
458 cap = str(mddict.get('rw_uri') or mddict.get('ro_uri'))
459 cs.append((name, cap, mddict.get('metadata')))
460 d = self.node.set_children(cs, replace)
461 d.addCallback(lambda res: "Okay so I did it.")
465 def abbreviated_dirnode(dirnode):
466 u = from_string_dirnode(dirnode.get_uri())
469 class DirectoryAsHTML(rend.Page):
470 # The remainder of this class is to render the directory into
471 # human+browser -oriented HTML.
472 docFactory = getxmlfile("directory.xhtml")
475 def __init__(self, node):
476 rend.Page.__init__(self)
479 def render_title(self, ctx, data):
480 si_s = abbreviated_dirnode(self.node)
481 header = ["Directory SI=%s" % si_s]
482 return ctx.tag[header]
484 def render_header(self, ctx, data):
485 si_s = abbreviated_dirnode(self.node)
486 header = ["Directory SI=%s" % si_s]
487 if self.node.is_readonly():
488 header.append(" (readonly)")
489 return ctx.tag[header]
491 def render_welcome(self, ctx, data):
493 return T.div[T.a(href=link)["Return to Welcome page"]]
495 def render_show_readonly(self, ctx, data):
496 if self.node.is_readonly():
498 rocap = self.node.get_readonly_uri()
500 uri_link = "%s/uri/%s/" % (root, urllib.quote(rocap))
501 return ctx.tag[T.a(href=uri_link)["Read-Only Version"]]
503 def data_children(self, ctx, data):
505 d.addCallback(lambda dict: sorted(dict.items()))
506 def _stall_some(items):
507 # Deferreds don't optimize out tail recursion, and the way
508 # Nevow's flattener handles Deferreds doesn't take this into
509 # account. As a result, large lists of Deferreds that fire in the
510 # same turn (i.e. the output of defer.succeed) will cause a stack
511 # overflow. To work around this, we insert a turn break after
512 # every 100 items, using foolscap's fireEventually(). This gives
513 # the stack a chance to be popped. It would also work to put
514 # every item in its own turn, but that'd be a lot more
515 # inefficient. This addresses ticket #237, for which I was never
516 # able to create a failing unit test.
518 for i,item in enumerate(items):
520 output.append(fireEventually(item))
524 d.addCallback(_stall_some)
527 def render_row(self, ctx, data):
528 name, (target, metadata) = data
529 name = name.encode("utf-8")
530 assert not isinstance(name, unicode)
531 nameurl = urllib.quote(name, safe="") # encode any slashes too
534 here = "%s/uri/%s/" % (root, urllib.quote(self.node.get_uri()))
535 if self.node.is_readonly():
539 # this creates a button which will cause our child__delete method
540 # to be invoked, which deletes the file and then redirects the
541 # browser back to this directory
542 delete = T.form(action=here, method="post")[
543 T.input(type='hidden', name='t', value='delete'),
544 T.input(type='hidden', name='name', value=name),
545 T.input(type='hidden', name='when_done', value="."),
546 T.input(type='submit', value='del', name="del"),
549 rename = T.form(action=here, method="get")[
550 T.input(type='hidden', name='t', value='rename-form'),
551 T.input(type='hidden', name='name', value=name),
552 T.input(type='hidden', name='when_done', value="."),
553 T.input(type='submit', value='rename', name="rename"),
556 ctx.fillSlots("delete", delete)
557 ctx.fillSlots("rename", rename)
560 TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
561 if "ctime" in metadata:
562 ctime = time.strftime(TIME_FORMAT,
563 time.localtime(metadata["ctime"]))
564 times.append("c: " + ctime)
565 if "mtime" in metadata:
566 mtime = time.strftime(TIME_FORMAT,
567 time.localtime(metadata["mtime"]))
570 times.append("m: " + mtime)
571 ctx.fillSlots("times", times)
573 assert (IFileNode.providedBy(target)
574 or IDirectoryNode.providedBy(target)
575 or IMutableFileNode.providedBy(target)), target
577 quoted_uri = urllib.quote(target.get_uri())
579 if IMutableFileNode.providedBy(target):
580 # to prevent javascript in displayed .html files from stealing a
581 # secret directory URI from the URL, send the browser to a URI-based
582 # page that doesn't know about the directory at all
583 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
585 ctx.fillSlots("filename",
586 T.a(href=dlurl)[html.escape(name)])
587 ctx.fillSlots("type", "SSK")
589 ctx.fillSlots("size", "?")
591 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
593 elif IFileNode.providedBy(target):
594 dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl)
596 ctx.fillSlots("filename",
597 T.a(href=dlurl)[html.escape(name)])
598 ctx.fillSlots("type", "FILE")
600 ctx.fillSlots("size", target.get_size())
602 info_link = "%s/uri/%s?t=info" % (root, quoted_uri)
604 elif IDirectoryNode.providedBy(target):
606 uri_link = "%s/uri/%s/" % (root, urllib.quote(target.get_uri()))
607 ctx.fillSlots("filename",
608 T.a(href=uri_link)[html.escape(name)])
609 if target.is_readonly():
613 ctx.fillSlots("type", dirtype)
614 ctx.fillSlots("size", "-")
615 info_link = "%s/uri/%s/?t=info" % (root, quoted_uri)
617 ctx.fillSlots("info", T.a(href=info_link)["More Info"])
621 def render_forms(self, ctx, data):
624 if self.node.is_readonly():
625 forms.append(T.div["No upload forms: directory is read-only"])
628 mkdir = T.form(action=".", method="post",
629 enctype="multipart/form-data")[
631 T.input(type="hidden", name="t", value="mkdir"),
632 T.input(type="hidden", name="when_done", value="."),
633 T.legend(class_="freeform-form-label")["Create a new directory"],
634 "New directory name: ",
635 T.input(type="text", name="name"), " ",
636 T.input(type="submit", value="Create"),
638 forms.append(T.div(class_="freeform-form")[mkdir])
640 upload = T.form(action=".", method="post",
641 enctype="multipart/form-data")[
643 T.input(type="hidden", name="t", value="upload"),
644 T.input(type="hidden", name="when_done", value="."),
645 T.legend(class_="freeform-form-label")["Upload a file to this directory"],
646 "Choose a file to upload: ",
647 T.input(type="file", name="file", class_="freeform-input-file"),
649 T.input(type="submit", value="Upload"),
651 T.input(type="checkbox", name="mutable"),
653 forms.append(T.div(class_="freeform-form")[upload])
655 mount = T.form(action=".", method="post",
656 enctype="multipart/form-data")[
658 T.input(type="hidden", name="t", value="uri"),
659 T.input(type="hidden", name="when_done", value="."),
660 T.legend(class_="freeform-form-label")["Attach a file or directory"
664 T.input(type="text", name="name"), " ",
665 "URI of new child: ",
666 T.input(type="text", name="uri"), " ",
667 T.input(type="submit", value="Attach"),
669 forms.append(T.div(class_="freeform-form")[mount])
672 def render_results(self, ctx, data):
674 return get_arg(req, "results", "")
677 def DirectoryJSONMetadata(ctx, dirnode):
681 for name, (childnode, metadata) in children.iteritems():
682 if childnode.is_readonly():
684 ro_uri = childnode.get_uri()
686 rw_uri = childnode.get_uri()
687 ro_uri = childnode.get_readonly_uri()
688 if IFileNode.providedBy(childnode):
689 kiddata = ("filenode", {'size': childnode.get_size(),
690 'metadata': metadata,
693 assert IDirectoryNode.providedBy(childnode), (childnode,
695 kiddata = ("dirnode", {'metadata': metadata})
697 kiddata[1]["ro_uri"] = ro_uri
699 kiddata[1]["rw_uri"] = rw_uri
700 verifycap = childnode.get_verify_cap()
702 kiddata[1]['verify_uri'] = verifycap.to_string()
703 kiddata[1]['mutable'] = childnode.is_mutable()
705 if dirnode.is_readonly():
707 dro_uri = dirnode.get_uri()
709 drw_uri = dirnode.get_uri()
710 dro_uri = dirnode.get_readonly_uri()
711 contents = { 'children': kids }
713 contents['ro_uri'] = dro_uri
715 contents['rw_uri'] = drw_uri
716 verifycap = dirnode.get_verify_cap()
718 contents['verify_uri'] = verifycap.to_string()
719 contents['mutable'] = dirnode.is_mutable()
720 data = ("dirnode", contents)
721 return simplejson.dumps(data, indent=1) + "\n"
723 d.addCallback(text_plain, ctx)
728 def DirectoryURI(ctx, dirnode):
729 return text_plain(dirnode.get_uri(), ctx)
731 def DirectoryReadonlyURI(ctx, dirnode):
732 return text_plain(dirnode.get_readonly_uri(), ctx)
734 class RenameForm(rend.Page):
736 docFactory = getxmlfile("rename-form.xhtml")
738 def render_title(self, ctx, data):
739 return ctx.tag["Directory SI=%s" % abbreviated_dirnode(self.original)]
741 def render_header(self, ctx, data):
743 "in directory SI=%s" % abbreviated_dirnode(self.original),
746 if self.original.is_readonly():
747 header.append(" (readonly!)")
749 return ctx.tag[header]
751 def render_when_done(self, ctx, data):
752 return T.input(type="hidden", name="when_done", value=".")
754 def render_get_name(self, ctx, data):
756 name = get_arg(req, "name", "")
757 ctx.tag.attributes['value'] = name
761 class ManifestResults(rend.Page, ReloadMixin):
762 docFactory = getxmlfile("manifest.xhtml")
764 def __init__(self, monitor):
765 self.monitor = monitor
767 def renderHTTP(self, ctx):
768 output = get_arg(inevow.IRequest(ctx), "output", "html").lower()
770 return self.text(ctx)
772 return self.json(ctx)
773 return rend.Page.renderHTTP(self, ctx)
775 def slashify_path(self, path):
778 return "/".join([p.encode("utf-8") for p in path])
781 inevow.IRequest(ctx).setHeader("content-type", "text/plain")
783 is_finished = self.monitor.is_finished()
784 lines.append("finished: " + {True: "yes", False: "no"}[is_finished])
785 for (path, cap) in self.monitor.get_status()["manifest"]:
786 lines.append(self.slashify_path(path) + " " + cap)
787 return "\n".join(lines) + "\n"
790 inevow.IRequest(ctx).setHeader("content-type", "text/plain")
794 status = { "stats": s["stats"],
795 "finished": m.is_finished(),
796 "origin": base32.b2a(m.origin_si),
799 # don't return manifest/verifycaps/SIs unless the operation is
800 # done, to save on CPU/memory (both here and in the HTTP client
801 # who has to unpack the JSON). Tests show that the ManifestWalker
802 # needs about 1092 bytes per item, the JSON we generate here
803 # requires about 503 bytes per item, and some internal overhead
804 # (perhaps transport-layer buffers in twisted.web?) requires an
805 # additional 1047 bytes per item.
806 status.update({ "manifest": s["manifest"],
807 "verifycaps": [i for i in s["verifycaps"]],
808 "storage-index": [i for i in s["storage-index"]],
810 # simplejson doesn't know how to serialize a set. We use a
811 # generator that walks the set rather than list(setofthing) to
812 # save a small amount of memory (4B*len) and a moderate amount of
814 return simplejson.dumps(status, indent=1)
816 def _si_abbrev(self):
817 return base32.b2a(self.monitor.origin_si)[:6]
819 def render_title(self, ctx):
820 return T.title["Manifest of SI=%s" % self._si_abbrev()]
822 def render_header(self, ctx):
823 return T.p["Manifest of SI=%s" % self._si_abbrev()]
825 def data_items(self, ctx, data):
826 return self.monitor.get_status()["manifest"]
828 def render_row(self, ctx, (path, cap)):
829 ctx.fillSlots("path", self.slashify_path(path))
831 # TODO: we need a clean consistent way to get the type of a cap string
832 if cap.startswith("URI:CHK") or cap.startswith("URI:SSK"):
833 nameurl = urllib.quote(path[-1].encode("utf-8"))
834 uri_link = "%s/file/%s/@@named=/%s" % (root, urllib.quote(cap),
837 uri_link = "%s/uri/%s" % (root, urllib.quote(cap))
838 ctx.fillSlots("cap", T.a(href=uri_link)[cap])
841 class DeepSizeResults(rend.Page):
842 def __init__(self, monitor):
843 self.monitor = monitor
845 def renderHTTP(self, ctx):
846 output = get_arg(inevow.IRequest(ctx), "output", "html").lower()
847 inevow.IRequest(ctx).setHeader("content-type", "text/plain")
849 return self.json(ctx)
851 is_finished = self.monitor.is_finished()
852 output = "finished: " + {True: "yes", False: "no"}[is_finished] + "\n"
854 stats = self.monitor.get_status()
855 total = (stats.get("size-immutable-files", 0)
856 + stats.get("size-mutable-files", 0)
857 + stats.get("size-directories", 0))
858 output += "size: %d\n" % total
862 status = {"finished": self.monitor.is_finished(),
863 "size": self.monitor.get_status(),
865 return simplejson.dumps(status)
867 class DeepStatsResults(rend.Page):
868 def __init__(self, monitor):
869 self.monitor = monitor
871 def renderHTTP(self, ctx):
873 inevow.IRequest(ctx).setHeader("content-type", "text/plain")
874 s = self.monitor.get_status().copy()
875 s["finished"] = self.monitor.is_finished()
876 return simplejson.dumps(s, indent=1)
878 class ManifestStreamer(dirnode.DeepStats):
879 implements(IPushProducer)
881 def __init__(self, ctx, origin):
882 dirnode.DeepStats.__init__(self, origin)
883 self.req = IRequest(ctx)
885 def setMonitor(self, monitor):
886 self.monitor = monitor
887 def pauseProducing(self):
889 def resumeProducing(self):
891 def stopProducing(self):
892 self.monitor.cancel()
894 def add_node(self, node, path):
895 dirnode.DeepStats.add_node(self, node, path)
897 "cap": node.get_uri()}
899 if IDirectoryNode.providedBy(node):
900 d["type"] = "directory"
904 v = node.get_verify_cap()
909 r = node.get_repair_cap()
914 si = node.get_storage_index()
917 d["storage-index"] = si
919 j = simplejson.dumps(d, ensure_ascii=True)
921 self.req.write(j+"\n")
924 stats = dirnode.DeepStats.get_results(self)
925 d = {"type": "stats",
928 j = simplejson.dumps(d, ensure_ascii=True)
930 self.req.write(j+"\n")
933 class DeepCheckStreamer(dirnode.DeepStats):
934 implements(IPushProducer)
936 def __init__(self, ctx, origin, verify, repair, add_lease):
937 dirnode.DeepStats.__init__(self, origin)
938 self.req = IRequest(ctx)
941 self.add_lease = add_lease
943 def setMonitor(self, monitor):
944 self.monitor = monitor
945 def pauseProducing(self):
947 def resumeProducing(self):
949 def stopProducing(self):
950 self.monitor.cancel()
952 def add_node(self, node, path):
953 dirnode.DeepStats.add_node(self, node, path)
954 data = {"path": path,
955 "cap": node.get_uri()}
957 if IDirectoryNode.providedBy(node):
958 data["type"] = "directory"
960 data["type"] = "file"
962 v = node.get_verify_cap()
965 data["verifycap"] = v
967 r = node.get_repair_cap()
970 data["repaircap"] = r
972 si = node.get_storage_index()
975 data["storage-index"] = si
978 d = node.check_and_repair(self.monitor, self.verify, self.add_lease)
979 d.addCallback(self.add_check_and_repair, data)
981 d = node.check(self.monitor, self.verify, self.add_lease)
982 d.addCallback(self.add_check, data)
983 d.addCallback(self.write_line)
986 def add_check_and_repair(self, crr, data):
987 data["check-and-repair-results"] = json_check_and_repair_results(crr)
990 def add_check(self, cr, data):
991 data["check-results"] = json_check_results(cr)
994 def write_line(self, data):
995 j = simplejson.dumps(data, ensure_ascii=True)
997 self.req.write(j+"\n")
1000 stats = dirnode.DeepStats.get_results(self)
1001 d = {"type": "stats",
1004 j = simplejson.dumps(d, ensure_ascii=True)
1005 assert "\n" not in j
1006 self.req.write(j+"\n")