4 from twisted.internet import address
5 from twisted.web import http
6 from nevow import rend, url, tags as T
7 from nevow.inevow import IRequest
8 from nevow.static import File as nevow_File # TODO: merge with static.File?
9 from nevow.util import resource_filename
10 from formless import webform
12 import allmydata # to display import path
13 from allmydata import get_package_versions_string
14 from allmydata import provisioning
15 from allmydata.util import idlib
16 from allmydata.interfaces import IFileNode
17 from allmydata.web import filenode, directory, unlinked, status
18 from allmydata.web.common import abbreviate_size, IClient, getxmlfile, \
23 class URIHandler(rend.Page):
24 # I live at /uri . There are several operations defined on /uri itself,
25 # mostly involed with creation of unlinked files and directories.
27 def renderHTTP(self, ctx):
28 request = IRequest(ctx)
30 # if we were using regular twisted.web Resources (and the regular
31 # twisted.web.server.Request object) then we could implement
32 # render_PUT and render_GET. But Nevow's request handler
33 # (NevowRequest.gotPageContext) goes directly to renderHTTP. Copy
34 # some code from the Resource.render method that Nevow bypasses, to
36 m = getattr(self, 'render_' + request.method, None)
38 from twisted.web.server import UnsupportedMethod
39 raise UnsupportedMethod(getattr(self, 'allowedMethods', ()))
42 def render_GET(self, ctx):
44 uri = get_arg(req, "uri", None)
46 raise WebError("GET /uri requires uri=")
47 there = url.URL.fromContext(ctx)
48 there = there.clear("uri")
49 # I thought about escaping the childcap that we attach to the URL
50 # here, but it seems that nevow does that for us.
51 there = there.child(uri)
54 def render_PUT(self, ctx):
56 # either "PUT /uri" to create an unlinked file, or
57 # "PUT /uri?t=mkdir" to create an unlinked directory
58 t = get_arg(req, "t", "").strip()
60 mutable = bool(get_arg(req, "mutable", "").strip())
62 return unlinked.PUTUnlinkedSSK(ctx)
64 return unlinked.PUTUnlinkedCHK(ctx)
66 return unlinked.PUTUnlinkedCreateDirectory(ctx)
67 errmsg = ("/uri accepts only PUT, PUT?t=mkdir, POST?t=upload, "
69 raise WebError(errmsg, http.BAD_REQUEST)
71 def render_POST(self, ctx):
72 # "POST /uri?t=upload&file=newfile" to upload an
73 # unlinked file or "POST /uri?t=mkdir" to create a
76 t = get_arg(req, "t", "").strip()
77 if t in ("", "upload"):
78 mutable = bool(get_arg(req, "mutable", "").strip())
80 return unlinked.POSTUnlinkedSSK(ctx)
82 return unlinked.POSTUnlinkedCHK(ctx)
84 return unlinked.POSTUnlinkedCreateDirectory(ctx)
85 errmsg = ("/uri accepts only PUT, PUT?t=mkdir, POST?t=upload, "
87 raise WebError(errmsg, http.BAD_REQUEST)
89 def childFactory(self, ctx, name):
90 # 'name' is expected to be a URI
93 node = client.create_node_from_uri(name)
94 return directory.make_handler_for(node)
95 except (TypeError, AssertionError):
96 raise WebError("'%s' is not a valid file- or directory- cap"
99 class FileHandler(rend.Page):
100 # I handle /file/$FILECAP[/IGNORED] , which provides a URL from which a
101 # file can be downloaded correctly by tools like "wget".
103 def childFactory(self, ctx, name):
105 if req.method not in ("GET", "HEAD"):
106 raise WebError("/file can only be used with GET or HEAD")
107 # 'name' must be a file URI
108 client = IClient(ctx)
110 node = client.create_node_from_uri(name)
111 except (TypeError, AssertionError):
112 raise WebError("'%s' is not a valid file- or directory- cap"
114 if not IFileNode.providedBy(node):
115 raise WebError("'%s' is not a file-cap" % name)
116 return filenode.FileNodeDownloadHandler(node)
118 def renderHTTP(self, ctx):
119 raise WebError("/file must be followed by a file-cap and a name",
122 class Root(rend.Page):
125 docFactory = getxmlfile("welcome.xhtml")
127 child_uri = URIHandler()
128 child_file = FileHandler()
129 child_named = FileHandler()
131 child_webform_css = webform.defaultCSS
132 child_tahoe_css = nevow_File(resource_filename('allmydata.web', 'tahoe.css'))
134 child_provisioning = provisioning.ProvisioningTool()
135 child_status = status.Status()
136 child_helper_status = status.HelperStatus()
137 child_statistics = status.Statistics()
139 def data_version(self, ctx, data):
140 return get_package_versions_string()
141 def data_import_path(self, ctx, data):
142 return str(allmydata)
143 def data_my_nodeid(self, ctx, data):
144 return idlib.nodeid_b2a(IClient(ctx).nodeid)
146 def render_services(self, ctx, data):
148 client = IClient(ctx)
150 ss = client.getServiceNamed("storage")
151 allocated_s = abbreviate_size(ss.allocated_size())
152 allocated = "about %s allocated" % allocated_s
153 sizelimit = "no size limit"
154 if ss.sizelimit is not None:
155 sizelimit = "size limit is %s" % abbreviate_size(ss.sizelimit)
156 ul[T.li["Storage Server: %s, %s" % (allocated, sizelimit)]]
158 ul[T.li["Not running storage server"]]
161 h = client.getServiceNamed("helper")
162 stats = h.get_stats()
163 active_uploads = stats["chk_upload_helper.active_uploads"]
164 ul[T.li["Helper: %d active uploads" % (active_uploads,)]]
166 ul[T.li["Not running helper"]]
170 def data_introducer_furl(self, ctx, data):
171 return IClient(ctx).introducer_furl
172 def data_connected_to_introducer(self, ctx, data):
173 if IClient(ctx).connected_to_introducer():
177 def data_helper_furl(self, ctx, data):
179 uploader = IClient(ctx).getServiceNamed("uploader")
182 furl, connected = uploader.get_helper_info()
184 def data_connected_to_helper(self, ctx, data):
186 uploader = IClient(ctx).getServiceNamed("uploader")
188 return "no" # we don't even have an Uploader
189 furl, connected = uploader.get_helper_info()
194 def data_known_storage_servers(self, ctx, data):
195 ic = IClient(ctx).introducer_client
197 for c in ic.get_all_connectors().values()
198 if c.service_name == "storage"]
201 def data_connected_storage_servers(self, ctx, data):
202 ic = IClient(ctx).introducer_client
203 return len(ic.get_all_connections_for("storage"))
205 def data_services(self, ctx, data):
206 ic = IClient(ctx).introducer_client
207 c = [ (service_name, nodeid, rsc)
208 for (nodeid, service_name), rsc
209 in ic.get_all_connectors().items() ]
213 def render_service_row(self, ctx, data):
214 (service_name, nodeid, rsc) = data
215 ctx.fillSlots("peerid", "%s %s" % (idlib.nodeid_b2a(nodeid),
218 rhost = rsc.remote_host
219 if nodeid == IClient(ctx).nodeid:
220 rhost_s = "(loopback)"
221 elif isinstance(rhost, address.IPv4Address):
222 rhost_s = "%s:%d" % (rhost.host, rhost.port)
225 connected = "Yes: to " + rhost_s
226 since = rsc.last_connect_time
229 since = rsc.last_loss_time
231 TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
232 ctx.fillSlots("connected", connected)
233 ctx.fillSlots("since", time.strftime(TIME_FORMAT, time.localtime(since)))
234 ctx.fillSlots("announced", time.strftime(TIME_FORMAT,
235 time.localtime(rsc.announcement_time)))
236 ctx.fillSlots("version", rsc.version)
237 ctx.fillSlots("service_name", rsc.service_name)
241 def render_download_form(self, ctx, data):
242 # this is a form where users can download files by URI
243 form = T.form(action="uri", method="get",
244 enctype="multipart/form-data")[
246 T.legend(class_="freeform-form-label")["Download a file"],
248 T.input(type="text", name="uri"), " ",
249 "Filename to download as: ",
250 T.input(type="text", name="filename"), " ",
251 T.input(type="submit", value="Download!"),
255 def render_view_form(self, ctx, data):
256 # this is a form where users can download files by URI, or jump to a
258 form = T.form(action="uri", method="get",
259 enctype="multipart/form-data")[
261 T.legend(class_="freeform-form-label")["View a file or directory"],
263 T.input(type="text", name="uri"), " ",
264 T.input(type="submit", value="View!"),
268 def render_upload_form(self, ctx, data):
269 # this is a form where users can upload unlinked files
270 form = T.form(action="uri", method="post",
271 enctype="multipart/form-data")[
273 T.legend(class_="freeform-form-label")["Upload a file"],
275 T.input(type="file", name="file", class_="freeform-input-file"),
276 T.input(type="hidden", name="t", value="upload"),
277 " Mutable?:", T.input(type="checkbox", name="mutable"),
278 T.input(type="submit", value="Upload!"),
282 def render_mkdir_form(self, ctx, data):
283 # this is a form where users can create new directories
284 form = T.form(action="uri", method="post",
285 enctype="multipart/form-data")[
287 T.legend(class_="freeform-form-label")["Create a directory"],
288 T.input(type="hidden", name="t", value="mkdir"),
289 T.input(type="hidden", name="redirect_to_result", value="true"),
290 T.input(type="submit", value="Create Directory!"),