| 1 | """ |
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| 2 | Ported to Python 3. |
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| 3 | """ |
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| 4 | |
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| 5 | from urllib.parse import quote as url_quote |
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| 6 | from datetime import timedelta |
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| 7 | |
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| 8 | from zope.interface import implementer |
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| 9 | from twisted.internet import defer |
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| 10 | from twisted.internet.interfaces import IPushProducer |
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| 11 | from twisted.python.failure import Failure |
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| 12 | from twisted.web import http |
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| 13 | from twisted.web.resource import ErrorPage |
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| 14 | from twisted.web.resource import Resource |
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| 15 | from twisted.web.template import ( |
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| 16 | Element, |
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| 17 | XMLFile, |
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| 18 | renderElement, |
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| 19 | renderer, |
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| 20 | tags, |
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| 21 | ) |
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| 22 | from hyperlink import URL |
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| 23 | from twisted.python.filepath import FilePath |
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| 24 | |
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| 25 | from allmydata.util import base32, jsonbytes as json |
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| 26 | from allmydata.util.encodingutil import ( |
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| 27 | to_bytes, |
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| 28 | quote_output, |
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| 29 | ) |
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| 30 | from allmydata.uri import ( |
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| 31 | from_string_dirnode, |
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| 32 | from_string, |
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| 33 | CHKFileURI, |
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| 34 | WriteableSSKFileURI, |
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| 35 | ReadonlySSKFileURI, |
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| 36 | ) |
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| 37 | from allmydata.interfaces import IDirectoryNode, IFileNode, IFilesystemNode, \ |
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| 38 | IImmutableFileNode, IMutableFileNode, ExistingChildError, \ |
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| 39 | NoSuchChildError, EmptyPathnameComponentError, SDMF_VERSION, MDMF_VERSION |
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| 40 | from allmydata.blacklist import ProhibitedNode |
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| 41 | from allmydata.monitor import Monitor, OperationCancelledError |
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| 42 | from allmydata import dirnode |
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| 43 | from allmydata.web.common import ( |
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| 44 | text_plain, |
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| 45 | WebError, |
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| 46 | NeedOperationHandleError, |
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| 47 | boolean_of_arg, |
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| 48 | get_arg, |
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| 49 | get_root, |
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| 50 | parse_replace_arg, |
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| 51 | should_create_intermediate_directories, |
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| 52 | humanize_failure, |
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| 53 | humanize_exception, |
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| 54 | convert_children_json, |
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| 55 | get_format, |
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| 56 | get_mutable_type, |
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| 57 | get_filenode_metadata, |
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| 58 | render_time, |
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| 59 | MultiFormatResource, |
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| 60 | SlotsSequenceElement, |
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| 61 | exception_to_child, |
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| 62 | render_exception, |
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| 63 | handle_when_done, |
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| 64 | ) |
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| 65 | from allmydata.web.filenode import ReplaceMeMixin, \ |
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| 66 | FileNodeHandler, PlaceHolderNodeHandler |
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| 67 | from allmydata.web.check_results import CheckResultsRenderer, \ |
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| 68 | CheckAndRepairResultsRenderer, DeepCheckResultsRenderer, \ |
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| 69 | DeepCheckAndRepairResultsRenderer, LiteralCheckResultsRenderer |
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| 70 | from allmydata.web.info import MoreInfo |
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| 71 | from allmydata.web.operations import ReloadMixin |
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| 72 | from allmydata.web.check_results import json_check_results, \ |
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| 73 | json_check_and_repair_results |
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| 74 | |
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| 75 | |
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| 76 | class BlockingFileError(Exception): |
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| 77 | # TODO: catch and transform |
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| 78 | """We cannot auto-create a parent directory, because there is a file in |
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| 79 | the way""" |
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| 80 | |
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| 81 | |
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| 82 | def make_handler_for(node, client, parentnode=None, name=None): |
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| 83 | if parentnode: |
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| 84 | assert IDirectoryNode.providedBy(parentnode) |
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| 85 | if IFileNode.providedBy(node): |
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| 86 | return FileNodeHandler(client, node, parentnode, name) |
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| 87 | if IDirectoryNode.providedBy(node): |
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| 88 | return DirectoryNodeHandler(client, node, parentnode, name) |
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| 89 | return UnknownNodeHandler(client, node, parentnode, name) |
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| 90 | |
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| 91 | |
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| 92 | class DirectoryNodeHandler(ReplaceMeMixin, Resource, object): |
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| 93 | |
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| 94 | def __init__(self, client, node, parentnode=None, name=None): |
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| 95 | super(DirectoryNodeHandler, self).__init__() |
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| 96 | self.client = client |
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| 97 | assert node |
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| 98 | self.node = node |
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| 99 | self.parentnode = parentnode |
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| 100 | self.name = name |
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| 101 | self._operations = client.get_web_service().get_operations() |
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| 102 | |
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| 103 | @exception_to_child |
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| 104 | def getChild(self, name, req): |
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| 105 | """ |
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| 106 | Dynamically create a child for the given request and name |
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| 107 | """ |
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| 108 | # trying to replicate what I have observed as Nevow behavior |
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| 109 | # for these nodes, which is that a URI like |
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| 110 | # "/uri/URI%3ADIR2%3Aj...vq/" (that is, with a trailing slash |
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| 111 | # or no further children) renders "this" page. We also need |
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| 112 | # to reject "/uri/URI:DIR2:..//", so we look at postpath. |
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| 113 | name = name.decode('utf8') |
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| 114 | if not name and req.postpath != [b'']: |
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| 115 | return self |
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| 116 | |
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| 117 | # Rejecting URIs that contain empty path pieces (for example: |
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| 118 | # "/uri/URI:DIR2:../foo//new.txt" or "/uri/URI:DIR2:..//") was |
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| 119 | # the old Nevow behavior and it is encoded in the test suite; |
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| 120 | # we will follow suit. |
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| 121 | for segment in req.prepath: |
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| 122 | if not segment: |
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| 123 | raise EmptyPathnameComponentError() |
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| 124 | |
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| 125 | d = self.node.get(name) |
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| 126 | d.addBoth(self._got_child, req, name) |
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| 127 | return d |
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| 128 | |
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| 129 | def _got_child(self, node_or_failure, req, name): |
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| 130 | """ |
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| 131 | Callback when self.node.get has returned, meaning we have received |
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| 132 | whatever child was requested -- that is `node.get` has |
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| 133 | returned something (maybe an error). This method then performs |
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| 134 | the rest of the work of the Twisted API getChild(): returning |
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| 135 | a suitable child resource to Twisted Web. |
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| 136 | """ |
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| 137 | terminal = (req.prepath + req.postpath)[-1].decode('utf8') == name |
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| 138 | nonterminal = not terminal #len(req.postpath) > 0 |
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| 139 | |
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| 140 | t = str(get_arg(req, b"t", b"").strip(), "ascii") |
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| 141 | if isinstance(node_or_failure, Failure): |
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| 142 | f = node_or_failure |
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| 143 | f.trap(NoSuchChildError) |
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| 144 | # No child by this name. What should we do about it? |
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| 145 | if nonterminal: |
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| 146 | if should_create_intermediate_directories(req): |
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| 147 | # create intermediate directories |
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| 148 | d = self.node.create_subdirectory(name) |
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| 149 | d.addCallback(make_handler_for, |
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| 150 | self.client, self.node, name) |
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| 151 | return d |
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| 152 | else: |
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| 153 | # terminal node |
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| 154 | terminal_requests = ( |
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| 155 | (b"POST", "mkdir"), |
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| 156 | (b"PUT", "mkdir"), |
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| 157 | (b"POST", "mkdir-with-children"), |
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| 158 | (b"POST", "mkdir-immutable") |
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| 159 | ) |
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| 160 | if (req.method, t) in terminal_requests: |
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| 161 | # final directory |
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| 162 | kids = {} |
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| 163 | if t in ("mkdir-with-children", "mkdir-immutable"): |
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| 164 | req.content.seek(0) |
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| 165 | kids_json = req.content.read() |
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| 166 | kids = convert_children_json( |
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| 167 | self.client.nodemaker, |
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| 168 | kids_json, |
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| 169 | ) |
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| 170 | file_format = get_format(req, None) |
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| 171 | mutable = True |
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| 172 | mt = get_mutable_type(file_format) |
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| 173 | if t == "mkdir-immutable": |
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| 174 | mutable = False |
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| 175 | |
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| 176 | d = self.node.create_subdirectory( |
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| 177 | name, kids, |
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| 178 | mutable=mutable, |
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| 179 | mutable_version=mt, |
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| 180 | ) |
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| 181 | d.addCallback( |
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| 182 | make_handler_for, |
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| 183 | self.client, self.node, name, |
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| 184 | ) |
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| 185 | return d |
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| 186 | leaf_requests = ( |
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| 187 | (b"PUT",""), |
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| 188 | (b"PUT","uri"), |
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| 189 | ) |
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| 190 | if (req.method, t) in leaf_requests: |
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| 191 | # we were trying to find the leaf filenode (to put a new |
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| 192 | # file in its place), and it didn't exist. That's ok, |
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| 193 | # since that's the leaf node that we're about to create. |
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| 194 | # We make a dummy one, which will respond to the PUT |
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| 195 | # request by replacing itself. |
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| 196 | return PlaceHolderNodeHandler(self.client, self.node, name) |
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| 197 | # otherwise, we just return a no-such-child error |
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| 198 | return f |
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| 199 | |
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| 200 | node = node_or_failure |
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| 201 | if nonterminal and should_create_intermediate_directories(req): |
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| 202 | if not IDirectoryNode.providedBy(node): |
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| 203 | # we would have put a new directory here, but there was a |
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| 204 | # file in the way. |
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| 205 | return ErrorPage( |
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| 206 | http.CONFLICT, |
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| 207 | "Unable to create directory %s: a file was in the way" % quote_output(name), |
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| 208 | "no details", |
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| 209 | ) |
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| 210 | return make_handler_for(node, self.client, self.node, name) |
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| 211 | |
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| 212 | @render_exception |
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| 213 | def render_DELETE(self, req): |
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| 214 | assert self.parentnode and self.name |
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| 215 | d = self.parentnode.delete(self.name) |
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| 216 | d.addCallback(lambda res: self.node.get_uri()) |
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| 217 | return d |
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| 218 | |
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| 219 | @render_exception |
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| 220 | def render_GET(self, req): |
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| 221 | # This is where all of the directory-related ?t=* code goes. |
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| 222 | t = str(get_arg(req, b"t", b"").strip(), "ascii") |
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| 223 | |
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| 224 | # t=info contains variable ophandles, t=rename-form contains the name |
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| 225 | # of the child being renamed. Neither is allowed an ETag. |
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| 226 | FIXED_OUTPUT_TYPES = ["", "json", "uri", "readonly-uri"] |
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| 227 | if not self.node.is_mutable() and t in FIXED_OUTPUT_TYPES: |
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| 228 | si = self.node.get_storage_index() |
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| 229 | if si and req.setETag(b'DIR:%s-%s' % (base32.b2a(si), t.encode("ascii") or b"")): |
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| 230 | return b"" |
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| 231 | |
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| 232 | if not t: |
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| 233 | # render the directory as HTML |
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| 234 | return renderElement( |
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| 235 | req, |
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| 236 | DirectoryAsHTML( |
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| 237 | self.node, |
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| 238 | self.client.mutable_file_default, |
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| 239 | ) |
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| 240 | ) |
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| 241 | |
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| 242 | if t == "json": |
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| 243 | return _directory_json_metadata(req, self.node) |
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| 244 | if t == "info": |
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| 245 | return MoreInfo(self.node) |
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| 246 | if t == "uri": |
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| 247 | return _directory_uri(req, self.node) |
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| 248 | if t == "readonly-uri": |
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| 249 | return _directory_readonly_uri(req, self.node) |
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| 250 | if t == 'rename-form': |
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| 251 | return renderElement( |
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| 252 | req, |
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| 253 | RenameForm(self.node), |
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| 254 | ) |
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| 255 | |
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| 256 | raise WebError("GET directory: bad t=%s" % t) |
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| 257 | |
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| 258 | @render_exception |
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| 259 | def render_PUT(self, req): |
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| 260 | t = str(get_arg(req, b"t", b"").strip(), "ascii") |
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| 261 | replace = parse_replace_arg(get_arg(req, "replace", "true")) |
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| 262 | |
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| 263 | if t == "mkdir": |
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| 264 | # our job was done by the traversal/create-intermediate-directory |
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| 265 | # process that got us here. |
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| 266 | return text_plain(self.node.get_uri(), req) # TODO: urlencode |
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| 267 | if t == "uri": |
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| 268 | if not replace: |
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| 269 | # they're trying to set_uri and that name is already occupied |
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| 270 | # (by us). |
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| 271 | raise ExistingChildError() |
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| 272 | d = self.replace_me_with_a_childcap(req, self.client, replace) |
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| 273 | # TODO: results |
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| 274 | return d |
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| 275 | |
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| 276 | raise WebError("PUT to a directory") |
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| 277 | |
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| 278 | @render_exception |
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| 279 | def render_POST(self, req): |
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| 280 | t = str(get_arg(req, b"t", b"").strip(), "ascii") |
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| 281 | |
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| 282 | if t == "mkdir": |
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| 283 | d = self._POST_mkdir(req) |
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| 284 | elif t == "mkdir-with-children": |
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| 285 | d = self._POST_mkdir_with_children(req) |
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| 286 | elif t == "mkdir-immutable": |
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| 287 | d = self._POST_mkdir_immutable(req) |
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| 288 | elif t == "upload": |
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| 289 | d = self._POST_upload(req) # this one needs the context |
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| 290 | elif t == "uri": |
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| 291 | d = self._POST_uri(req) |
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| 292 | elif t == "delete" or t == "unlink": |
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| 293 | d = self._POST_unlink(req) |
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| 294 | elif t == "rename": |
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| 295 | d = self._POST_rename(req) |
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| 296 | elif t == "relink": |
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| 297 | d = self._POST_relink(req) |
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| 298 | elif t == "check": |
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| 299 | d = self._POST_check(req) |
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| 300 | elif t == "start-deep-check": |
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| 301 | d = self._POST_start_deep_check(req) |
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| 302 | elif t == "stream-deep-check": |
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| 303 | d = self._POST_stream_deep_check(req) |
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| 304 | elif t == "start-manifest": |
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| 305 | d = self._POST_start_manifest(req) |
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| 306 | elif t == "start-deep-size": |
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| 307 | d = self._POST_start_deep_size(req) |
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| 308 | elif t == "start-deep-stats": |
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| 309 | d = self._POST_start_deep_stats(req) |
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| 310 | elif t == "stream-manifest": |
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| 311 | d = self._POST_stream_manifest(req) |
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| 312 | elif t == "set_children" or t == "set-children": |
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| 313 | d = self._POST_set_children(req) |
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| 314 | else: |
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| 315 | raise WebError("POST to a directory with bad t=%s" % t) |
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| 316 | |
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| 317 | return handle_when_done(req, d) |
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| 318 | |
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| 319 | def _POST_mkdir(self, req): |
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| 320 | name = get_arg(req, "name", "") |
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| 321 | if not name: |
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| 322 | # our job is done, it was handled by the code in got_child |
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| 323 | # which created the final directory (i.e. us) |
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| 324 | return defer.succeed(self.node.get_uri()) # TODO: urlencode |
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| 325 | name = name.decode("utf-8") |
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| 326 | replace = boolean_of_arg(get_arg(req, "replace", "true")) |
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| 327 | kids = {} |
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| 328 | mt = get_mutable_type(get_format(req, None)) |
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| 329 | d = self.node.create_subdirectory(name, kids, overwrite=replace, |
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| 330 | mutable_version=mt) |
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| 331 | d.addCallback(lambda child: child.get_uri()) # TODO: urlencode |
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| 332 | return d |
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| 333 | |
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| 334 | def _POST_mkdir_with_children(self, req): |
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| 335 | name = get_arg(req, "name", "") |
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| 336 | if not name: |
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| 337 | # our job is done, it was handled by the code in got_child |
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| 338 | # which created the final directory (i.e. us) |
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| 339 | return defer.succeed(self.node.get_uri()) # TODO: urlencode |
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| 340 | name = name.decode("utf-8") |
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| 341 | # TODO: decide on replace= behavior, see #903 |
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| 342 | #replace = boolean_of_arg(get_arg(req, "replace", "false")) |
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| 343 | req.content.seek(0) |
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| 344 | kids_json = req.content.read() |
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| 345 | kids = convert_children_json(self.client.nodemaker, kids_json) |
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| 346 | mt = get_mutable_type(get_format(req, None)) |
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| 347 | d = self.node.create_subdirectory(name, kids, overwrite=False, |
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| 348 | mutable_version=mt) |
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| 349 | d.addCallback(lambda child: child.get_uri()) # TODO: urlencode |
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| 350 | return d |
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| 351 | |
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| 352 | def _POST_mkdir_immutable(self, req): |
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| 353 | name = get_arg(req, "name", "") |
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| 354 | if not name: |
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| 355 | # our job is done, it was handled by the code in got_child |
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| 356 | # which created the final directory (i.e. us) |
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| 357 | return defer.succeed(self.node.get_uri()) # TODO: urlencode |
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| 358 | name = name.decode("utf-8") |
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| 359 | # TODO: decide on replace= behavior, see #903 |
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| 360 | #replace = boolean_of_arg(get_arg(req, "replace", "false")) |
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| 361 | req.content.seek(0) |
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| 362 | kids_json = req.content.read() |
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| 363 | kids = convert_children_json(self.client.nodemaker, kids_json) |
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| 364 | d = self.node.create_subdirectory(name, kids, overwrite=False, mutable=False) |
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| 365 | d.addCallback(lambda child: child.get_uri()) # TODO: urlencode |
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| 366 | return d |
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| 367 | |
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| 368 | def _POST_upload(self, req): |
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| 369 | charset = str(get_arg(req, "_charset", b"utf-8"), "utf-8") |
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| 370 | contents = req.fields["file"] |
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| 371 | |
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| 372 | # The filename embedded in the MIME file upload will be bytes on Python |
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| 373 | # 2, Unicode on Python 3, or missing (i.e. None). The "name" field in |
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| 374 | # the upload will be bytes on Python 2, Unicode on Python 3, or missing |
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| 375 | # (i.e. None). We go through all these variations until we have a name |
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| 376 | # that is Unicode. |
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| 377 | assert contents.filename is None or isinstance(contents.filename, (bytes, str)) |
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| 378 | name = get_arg(req, "name") # returns bytes or None |
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| 379 | name = name or contents.filename # unicode, bytes or None |
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| 380 | if name is not None: |
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| 381 | name = name.strip() |
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| 382 | if not name: |
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| 383 | # this prohibts empty, missing, and all-whitespace filenames |
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| 384 | raise WebError("upload requires a name") |
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| 385 | if isinstance(name, bytes): |
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| 386 | name = name.decode(charset) |
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| 387 | assert isinstance(name, str) |
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| 388 | if "/" in name: |
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| 389 | raise WebError("name= may not contain a slash", http.BAD_REQUEST) |
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| 390 | |
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| 391 | # since POST /uri/path/file?t=upload is equivalent to |
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| 392 | # POST /uri/path/dir?t=upload&name=foo, just do the same thing that |
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| 393 | # childFactory would do. Things are cleaner if we only do a subset of |
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| 394 | # them, though, so we don't do: d = self.childFactory(req, name) |
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| 395 | |
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| 396 | d = self.node.get(name) |
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| 397 | def _maybe_got_node(node_or_failure): |
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| 398 | if isinstance(node_or_failure, Failure): |
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| 399 | f = node_or_failure |
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| 400 | f.trap(NoSuchChildError) |
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| 401 | # create a placeholder which will see POST t=upload |
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| 402 | return PlaceHolderNodeHandler(self.client, self.node, name) |
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| 403 | else: |
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| 404 | node = node_or_failure |
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| 405 | return make_handler_for(node, self.client, self.node, name) |
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| 406 | d.addBoth(_maybe_got_node) |
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| 407 | # now we have a placeholder or a filenodehandler, and we can just |
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| 408 | # delegate to it. We could return the resource back out of |
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| 409 | # DirectoryNodeHandler.render_POST and it would get rendered but the |
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| 410 | # addCallback() that handles when_done= would break. |
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| 411 | def render_child(child): |
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| 412 | req.dont_apply_extra_processing = True |
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| 413 | return child.render(req) |
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| 414 | d.addCallback(render_child) |
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| 415 | return d |
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| 416 | |
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| 417 | def _POST_uri(self, req): |
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| 418 | childcap = get_arg(req, "uri") |
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| 419 | if not childcap: |
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| 420 | raise WebError("set-uri requires a uri") |
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| 421 | name = get_arg(req, "name") |
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| 422 | if not name: |
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| 423 | raise WebError("set-uri requires a name") |
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| 424 | charset = str(get_arg(req, "_charset", b"utf-8"), "ascii") |
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| 425 | name = name.decode(charset) |
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| 426 | replace = parse_replace_arg(get_arg(req, "replace", "true")) |
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| 427 | |
|---|
| 428 | # We mustn't pass childcap for the readcap argument because we don't |
|---|
| 429 | # know whether it is a read cap. Passing a read cap as the writecap |
|---|
| 430 | # argument will work (it ends up calling NodeMaker.create_from_cap, |
|---|
| 431 | # which derives a readcap if necessary and possible). |
|---|
| 432 | d = self.node.set_uri(name, childcap, None, overwrite=replace) |
|---|
| 433 | d.addCallback(lambda res: childcap) |
|---|
| 434 | return d |
|---|
| 435 | |
|---|
| 436 | def _POST_unlink(self, req): |
|---|
| 437 | name = get_arg(req, "name") |
|---|
| 438 | if name is None: |
|---|
| 439 | # apparently an <input type="hidden" name="name" value=""> |
|---|
| 440 | # won't show up in the resulting encoded form.. the 'name' |
|---|
| 441 | # field is completely missing. So to allow unlinking of a |
|---|
| 442 | # child with a name that is the empty string, we have to |
|---|
| 443 | # pretend that None means ''. The only downside of this is |
|---|
| 444 | # a slightly confusing error message if someone does a POST |
|---|
| 445 | # without a name= field. For our own HTML this isn't a big |
|---|
| 446 | # deal, because we create the 'unlink' POST buttons ourselves. |
|---|
| 447 | name = b'' |
|---|
| 448 | charset = str(get_arg(req, "_charset", b"utf-8"), "ascii") |
|---|
| 449 | name = name.decode(charset) |
|---|
| 450 | d = self.node.delete(name) |
|---|
| 451 | d.addCallback(lambda res: "thing unlinked") |
|---|
| 452 | return d |
|---|
| 453 | |
|---|
| 454 | def _POST_rename(self, req): |
|---|
| 455 | # rename is identical to relink, but to_dir is not allowed |
|---|
| 456 | # and to_name is required. |
|---|
| 457 | if get_arg(req, "to_dir") is not None: |
|---|
| 458 | raise WebError("to_dir= is not valid for rename") |
|---|
| 459 | if get_arg(req, "to_name") is None: |
|---|
| 460 | raise WebError("to_name= is required for rename") |
|---|
| 461 | return self._POST_relink(req) |
|---|
| 462 | |
|---|
| 463 | def _POST_relink(self, req): |
|---|
| 464 | charset = str(get_arg(req, "_charset", b"utf-8"), "ascii") |
|---|
| 465 | replace = parse_replace_arg(get_arg(req, "replace", "true")) |
|---|
| 466 | |
|---|
| 467 | from_name = get_arg(req, "from_name") |
|---|
| 468 | if from_name is not None: |
|---|
| 469 | from_name = from_name.strip() |
|---|
| 470 | from_name = from_name.decode(charset) |
|---|
| 471 | assert isinstance(from_name, str) |
|---|
| 472 | else: |
|---|
| 473 | raise WebError("from_name= is required") |
|---|
| 474 | |
|---|
| 475 | to_name = get_arg(req, "to_name") |
|---|
| 476 | if to_name is not None: |
|---|
| 477 | to_name = to_name.strip() |
|---|
| 478 | to_name = to_name.decode(charset) |
|---|
| 479 | assert isinstance(to_name, str) |
|---|
| 480 | else: |
|---|
| 481 | to_name = from_name |
|---|
| 482 | |
|---|
| 483 | # Disallow slashes in both from_name and to_name, that would only |
|---|
| 484 | # cause confusion. |
|---|
| 485 | if "/" in from_name: |
|---|
| 486 | raise WebError("from_name= may not contain a slash", |
|---|
| 487 | http.BAD_REQUEST) |
|---|
| 488 | if "/" in to_name: |
|---|
| 489 | raise WebError("to_name= may not contain a slash", |
|---|
| 490 | http.BAD_REQUEST) |
|---|
| 491 | |
|---|
| 492 | to_dir = get_arg(req, "to_dir") |
|---|
| 493 | if to_dir is not None and to_dir != self.node.get_write_uri(): |
|---|
| 494 | to_dir = to_dir.strip() |
|---|
| 495 | to_dir = to_dir.decode(charset) |
|---|
| 496 | assert isinstance(to_dir, str) |
|---|
| 497 | to_path = to_dir.split(u"/") |
|---|
| 498 | to_root = self.client.nodemaker.create_from_cap(to_bytes(to_path[0])) |
|---|
| 499 | if not IDirectoryNode.providedBy(to_root): |
|---|
| 500 | raise WebError("to_dir is not a directory", http.BAD_REQUEST) |
|---|
| 501 | d = to_root.get_child_at_path(to_path[1:]) |
|---|
| 502 | else: |
|---|
| 503 | d = defer.succeed(self.node) |
|---|
| 504 | |
|---|
| 505 | def _got_new_parent(new_parent): |
|---|
| 506 | if not IDirectoryNode.providedBy(new_parent): |
|---|
| 507 | raise WebError("to_dir is not a directory", http.BAD_REQUEST) |
|---|
| 508 | |
|---|
| 509 | return self.node.move_child_to(from_name, new_parent, |
|---|
| 510 | to_name, replace) |
|---|
| 511 | d.addCallback(_got_new_parent) |
|---|
| 512 | d.addCallback(lambda res: "thing moved") |
|---|
| 513 | return d |
|---|
| 514 | |
|---|
| 515 | def _maybe_literal(self, res, Results_Class): |
|---|
| 516 | if res: |
|---|
| 517 | return Results_Class(self.client, res) |
|---|
| 518 | return LiteralCheckResultsRenderer(self.client) |
|---|
| 519 | |
|---|
| 520 | def _POST_check(self, req): |
|---|
| 521 | # check this directory |
|---|
| 522 | verify = boolean_of_arg(get_arg(req, "verify", "false")) |
|---|
| 523 | repair = boolean_of_arg(get_arg(req, "repair", "false")) |
|---|
| 524 | add_lease = boolean_of_arg(get_arg(req, "add-lease", "false")) |
|---|
| 525 | if repair: |
|---|
| 526 | d = self.node.check_and_repair(Monitor(), verify, add_lease) |
|---|
| 527 | d.addCallback(self._maybe_literal, CheckAndRepairResultsRenderer) |
|---|
| 528 | else: |
|---|
| 529 | d = self.node.check(Monitor(), verify, add_lease) |
|---|
| 530 | d.addCallback(self._maybe_literal, CheckResultsRenderer) |
|---|
| 531 | return d |
|---|
| 532 | |
|---|
| 533 | def _start_operation(self, monitor, renderer, req): |
|---|
| 534 | self._operations.add_monitor(req, monitor, renderer) |
|---|
| 535 | return self._operations.redirect_to(req) |
|---|
| 536 | |
|---|
| 537 | def _POST_start_deep_check(self, req): |
|---|
| 538 | # check this directory and everything reachable from it |
|---|
| 539 | if not get_arg(req, "ophandle"): |
|---|
| 540 | raise NeedOperationHandleError("slow operation requires ophandle=") |
|---|
| 541 | verify = boolean_of_arg(get_arg(req, "verify", "false")) |
|---|
| 542 | repair = boolean_of_arg(get_arg(req, "repair", "false")) |
|---|
| 543 | add_lease = boolean_of_arg(get_arg(req, "add-lease", "false")) |
|---|
| 544 | if repair: |
|---|
| 545 | monitor = self.node.start_deep_check_and_repair(verify, add_lease) |
|---|
| 546 | renderer = DeepCheckAndRepairResultsRenderer(self.client, monitor) |
|---|
| 547 | else: |
|---|
| 548 | monitor = self.node.start_deep_check(verify, add_lease) |
|---|
| 549 | renderer = DeepCheckResultsRenderer(self.client, monitor) |
|---|
| 550 | return self._start_operation(monitor, renderer, req) |
|---|
| 551 | |
|---|
| 552 | def _POST_stream_deep_check(self, req): |
|---|
| 553 | verify = boolean_of_arg(get_arg(req, "verify", "false")) |
|---|
| 554 | repair = boolean_of_arg(get_arg(req, "repair", "false")) |
|---|
| 555 | add_lease = boolean_of_arg(get_arg(req, "add-lease", "false")) |
|---|
| 556 | walker = DeepCheckStreamer(req, self.node, verify, repair, add_lease) |
|---|
| 557 | monitor = self.node.deep_traverse(walker) |
|---|
| 558 | walker.setMonitor(monitor) |
|---|
| 559 | # register to hear stopProducing. The walker ignores pauseProducing. |
|---|
| 560 | req.registerProducer(walker, True) |
|---|
| 561 | d = monitor.when_done() |
|---|
| 562 | def _done(res): |
|---|
| 563 | req.unregisterProducer() |
|---|
| 564 | return res |
|---|
| 565 | d.addBoth(_done) |
|---|
| 566 | def _cancelled(f): |
|---|
| 567 | f.trap(OperationCancelledError) |
|---|
| 568 | return "Operation Cancelled" |
|---|
| 569 | d.addErrback(_cancelled) |
|---|
| 570 | def _error(f): |
|---|
| 571 | # signal the error as a non-JSON "ERROR:" line, plus exception |
|---|
| 572 | msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__, |
|---|
| 573 | ", ".join([str(a) for a in f.value.args])) |
|---|
| 574 | msg += str(f) |
|---|
| 575 | return msg |
|---|
| 576 | d.addErrback(_error) |
|---|
| 577 | return d |
|---|
| 578 | |
|---|
| 579 | def _POST_start_manifest(self, req): |
|---|
| 580 | if not get_arg(req, "ophandle"): |
|---|
| 581 | raise NeedOperationHandleError("slow operation requires ophandle=") |
|---|
| 582 | monitor = self.node.build_manifest() |
|---|
| 583 | renderer = ManifestResults(self.client, monitor) |
|---|
| 584 | return self._start_operation(monitor, renderer, req) |
|---|
| 585 | |
|---|
| 586 | def _POST_start_deep_size(self, req): |
|---|
| 587 | if not get_arg(req, "ophandle"): |
|---|
| 588 | raise NeedOperationHandleError("slow operation requires ophandle=") |
|---|
| 589 | monitor = self.node.start_deep_stats() |
|---|
| 590 | renderer = DeepSizeResults(self.client, monitor) |
|---|
| 591 | return self._start_operation(monitor, renderer, req) |
|---|
| 592 | |
|---|
| 593 | def _POST_start_deep_stats(self, req): |
|---|
| 594 | if not get_arg(req, "ophandle"): |
|---|
| 595 | raise NeedOperationHandleError("slow operation requires ophandle=") |
|---|
| 596 | monitor = self.node.start_deep_stats() |
|---|
| 597 | renderer = DeepStatsResults(self.client, monitor) |
|---|
| 598 | return self._start_operation(monitor, renderer, req) |
|---|
| 599 | |
|---|
| 600 | def _POST_stream_manifest(self, req): |
|---|
| 601 | walker = ManifestStreamer(req, self.node) |
|---|
| 602 | monitor = self.node.deep_traverse(walker) |
|---|
| 603 | walker.setMonitor(monitor) |
|---|
| 604 | # register to hear stopProducing. The walker ignores pauseProducing. |
|---|
| 605 | req.registerProducer(walker, True) |
|---|
| 606 | d = monitor.when_done() |
|---|
| 607 | def _done(res): |
|---|
| 608 | req.unregisterProducer() |
|---|
| 609 | return res |
|---|
| 610 | d.addBoth(_done) |
|---|
| 611 | def _cancelled(f): |
|---|
| 612 | f.trap(OperationCancelledError) |
|---|
| 613 | return "Operation Cancelled" |
|---|
| 614 | d.addErrback(_cancelled) |
|---|
| 615 | def _error(f): |
|---|
| 616 | # signal the error as a non-JSON "ERROR:" line, plus exception |
|---|
| 617 | msg = "ERROR: %s(%s)\n" % (f.value.__class__.__name__, |
|---|
| 618 | ", ".join([str(a) for a in f.value.args])) |
|---|
| 619 | msg += str(f) |
|---|
| 620 | return msg |
|---|
| 621 | d.addErrback(_error) |
|---|
| 622 | return d |
|---|
| 623 | |
|---|
| 624 | def _POST_set_children(self, req): |
|---|
| 625 | replace = parse_replace_arg(get_arg(req, "replace", "true")) |
|---|
| 626 | req.content.seek(0) |
|---|
| 627 | body = req.content.read() |
|---|
| 628 | try: |
|---|
| 629 | children = json.loads(body) |
|---|
| 630 | except ValueError as le: |
|---|
| 631 | le.args = tuple(le.args + (body,)) |
|---|
| 632 | # TODO test handling of bad JSON |
|---|
| 633 | raise |
|---|
| 634 | cs = {} |
|---|
| 635 | for name, (file_or_dir, mddict) in list(children.items()): |
|---|
| 636 | name = str(name) # json returns str *or* unicode |
|---|
| 637 | writecap = mddict.get('rw_uri') |
|---|
| 638 | if writecap is not None: |
|---|
| 639 | writecap = writecap.encode("utf-8") |
|---|
| 640 | readcap = mddict.get('ro_uri') |
|---|
| 641 | if readcap is not None: |
|---|
| 642 | readcap = readcap.encode("utf-8") |
|---|
| 643 | cs[name] = (writecap, readcap, mddict.get('metadata')) |
|---|
| 644 | d = self.node.set_children(cs, replace) |
|---|
| 645 | d.addCallback(lambda res: "Okay so I did it.") |
|---|
| 646 | # TODO: results |
|---|
| 647 | return d |
|---|
| 648 | |
|---|
| 649 | def abbreviated_dirnode(dirnode): |
|---|
| 650 | u = from_string_dirnode(dirnode.get_uri()) |
|---|
| 651 | return u.abbrev_si() |
|---|
| 652 | |
|---|
| 653 | SPACE = u"\u00A0"*2 |
|---|
| 654 | |
|---|
| 655 | class DirectoryAsHTML(Element): |
|---|
| 656 | # The remainder of this class is to render the directory into |
|---|
| 657 | # human+browser -oriented HTML. |
|---|
| 658 | loader = XMLFile(FilePath(__file__).sibling("directory.xhtml")) |
|---|
| 659 | |
|---|
| 660 | def __init__(self, node, default_mutable_format): |
|---|
| 661 | super(DirectoryAsHTML, self).__init__() |
|---|
| 662 | self.node = node |
|---|
| 663 | if default_mutable_format not in (MDMF_VERSION, SDMF_VERSION): |
|---|
| 664 | raise ValueError( |
|---|
| 665 | "Uknown mutable format '{}'".format(default_mutable_format) |
|---|
| 666 | ) |
|---|
| 667 | self.default_mutable_format = default_mutable_format |
|---|
| 668 | |
|---|
| 669 | @defer.inlineCallbacks |
|---|
| 670 | def render(self, request): |
|---|
| 671 | """ |
|---|
| 672 | Override Element.render .. we have async work to do before we flatten our template |
|---|
| 673 | """ |
|---|
| 674 | # this could be improved; doing a more-straightforward port |
|---|
| 675 | # here, which used to be in "beforeRender" .. so lots of the |
|---|
| 676 | # renderers don't yield/wait properly, they expect the self.* |
|---|
| 677 | # state that is set up here to "just be there" :/ |
|---|
| 678 | yield self._get_children(request) |
|---|
| 679 | template = Element.render(self, request) |
|---|
| 680 | defer.returnValue(template) |
|---|
| 681 | |
|---|
| 682 | @defer.inlineCallbacks |
|---|
| 683 | def _get_children(self, req): |
|---|
| 684 | # attempt to get the dirnode's children, stashing them (or the |
|---|
| 685 | # failure that results) for later use |
|---|
| 686 | try: |
|---|
| 687 | children = yield self.node.list() |
|---|
| 688 | except Exception as e: |
|---|
| 689 | text, code = humanize_exception(e) |
|---|
| 690 | children = None |
|---|
| 691 | self.dirnode_children_error = text |
|---|
| 692 | |
|---|
| 693 | self.dirnode_children = children |
|---|
| 694 | defer.returnValue(self.dirnode_children) |
|---|
| 695 | |
|---|
| 696 | @renderer |
|---|
| 697 | def children(self, req, tag): |
|---|
| 698 | return SlotsSequenceElement( |
|---|
| 699 | tag, |
|---|
| 700 | [ |
|---|
| 701 | self._child_slots(req, fname, data[0], data[1]) |
|---|
| 702 | for fname, data in self.dirnode_children.items() |
|---|
| 703 | ] |
|---|
| 704 | ) |
|---|
| 705 | |
|---|
| 706 | @renderer |
|---|
| 707 | def title(self, req, tag): |
|---|
| 708 | si_s = str(abbreviated_dirnode(self.node), "utf-8") |
|---|
| 709 | header = ["Tahoe-LAFS - Directory SI=%s" % si_s] |
|---|
| 710 | if self.node.is_unknown(): |
|---|
| 711 | header.append(" (unknown)") |
|---|
| 712 | elif not self.node.is_mutable(): |
|---|
| 713 | header.append(" (immutable)") |
|---|
| 714 | elif self.node.is_readonly(): |
|---|
| 715 | header.append(" (read-only)") |
|---|
| 716 | else: |
|---|
| 717 | header.append(" (modifiable)") |
|---|
| 718 | return tag(header) |
|---|
| 719 | |
|---|
| 720 | @renderer |
|---|
| 721 | def header(self, req, tag): |
|---|
| 722 | si_s = str(abbreviated_dirnode(self.node), "utf-8") |
|---|
| 723 | header = ["Tahoe-LAFS Directory SI=", tags.span(si_s, class_="data-chars")] |
|---|
| 724 | if self.node.is_unknown(): |
|---|
| 725 | header.append(" (unknown)") |
|---|
| 726 | elif not self.node.is_mutable(): |
|---|
| 727 | header.append(" (immutable)") |
|---|
| 728 | elif self.node.is_readonly(): |
|---|
| 729 | header.append(" (read-only)") |
|---|
| 730 | return tag(header) |
|---|
| 731 | |
|---|
| 732 | @renderer |
|---|
| 733 | def welcome(self, req, tag): |
|---|
| 734 | link = get_root(req) |
|---|
| 735 | return tag(tags.a("Return to Welcome page", href=link)) |
|---|
| 736 | |
|---|
| 737 | @renderer |
|---|
| 738 | def show_readonly(self, req, tag): |
|---|
| 739 | if self.node.is_unknown() or self.node.is_readonly(): |
|---|
| 740 | return "" |
|---|
| 741 | rocap = self.node.get_readonly_uri() |
|---|
| 742 | root = get_root(req) |
|---|
| 743 | uri_link = "%s/uri/%s/" % (root, url_quote(rocap)) |
|---|
| 744 | return tag(tags.a("Read-Only Version", href=uri_link)) |
|---|
| 745 | |
|---|
| 746 | @renderer |
|---|
| 747 | def try_children(self, req, tag): |
|---|
| 748 | # if the dirnode can be retrived, render a table of children. |
|---|
| 749 | # Otherwise, render an apologetic error message. |
|---|
| 750 | if self.dirnode_children is not None: |
|---|
| 751 | return tag |
|---|
| 752 | else: |
|---|
| 753 | return tags.div( |
|---|
| 754 | tags.p("Error reading directory:"), |
|---|
| 755 | tags.p(self.dirnode_children_error), |
|---|
| 756 | ) |
|---|
| 757 | |
|---|
| 758 | def _child_slots(self, req, name, target, metadata): |
|---|
| 759 | """ |
|---|
| 760 | :returns: a dict of key/values to give to each item in the table |
|---|
| 761 | of sub-items that directory.xhtml defines (this method is |
|---|
| 762 | called by the 'children' renderer) |
|---|
| 763 | """ |
|---|
| 764 | name = name.encode("utf-8") |
|---|
| 765 | nameurl = url_quote(name, safe="") # encode any slashes too |
|---|
| 766 | |
|---|
| 767 | root = get_root(req) |
|---|
| 768 | here = "{}/uri/{}/".format(root, url_quote(self.node.get_uri())) |
|---|
| 769 | if self.node.is_unknown() or self.node.is_readonly(): |
|---|
| 770 | unlink = "-" |
|---|
| 771 | rename = "-" |
|---|
| 772 | else: |
|---|
| 773 | # this creates a button which will cause our _POST_unlink method |
|---|
| 774 | # to be invoked, which unlinks the file and then redirects the |
|---|
| 775 | # browser back to this directory |
|---|
| 776 | unlink = tags.form( |
|---|
| 777 | [ |
|---|
| 778 | tags.input(type='hidden', name='t', value='unlink'), |
|---|
| 779 | tags.input(type='hidden', name='name', value=name), |
|---|
| 780 | tags.input(type='hidden', name='when_done', value="."), |
|---|
| 781 | tags.input(type='submit', class_='btn', value='unlink', name="unlink"), |
|---|
| 782 | ], |
|---|
| 783 | action=here, method="post" |
|---|
| 784 | ) |
|---|
| 785 | rename = tags.form( |
|---|
| 786 | [ |
|---|
| 787 | tags.input(type='hidden', name='t', value='rename-form'), |
|---|
| 788 | tags.input(type='hidden', name='name', value=name), |
|---|
| 789 | tags.input(type='hidden', name='when_done', value="."), |
|---|
| 790 | tags.input(type='submit', class_='btn', value='rename/relink', name="rename"), |
|---|
| 791 | ], |
|---|
| 792 | action=here, method="get", |
|---|
| 793 | ) |
|---|
| 794 | |
|---|
| 795 | slots = { |
|---|
| 796 | "unlink": unlink, |
|---|
| 797 | "rename": rename, |
|---|
| 798 | } |
|---|
| 799 | |
|---|
| 800 | times = [] |
|---|
| 801 | linkcrtime = metadata.get('tahoe', {}).get("linkcrtime") |
|---|
| 802 | if linkcrtime is not None: |
|---|
| 803 | times.append("lcr: " + render_time(linkcrtime)) |
|---|
| 804 | else: |
|---|
| 805 | # For backwards-compatibility with links last modified by Tahoe < 1.4.0: |
|---|
| 806 | if "ctime" in metadata: |
|---|
| 807 | ctime = render_time(metadata["ctime"]) |
|---|
| 808 | times.append("c: " + ctime) |
|---|
| 809 | linkmotime = metadata.get('tahoe', {}).get("linkmotime") |
|---|
| 810 | if linkmotime is not None: |
|---|
| 811 | if times: |
|---|
| 812 | times.append(tags.br()) |
|---|
| 813 | times.append("lmo: " + render_time(linkmotime)) |
|---|
| 814 | else: |
|---|
| 815 | # For backwards-compatibility with links last modified by Tahoe < 1.4.0: |
|---|
| 816 | if "mtime" in metadata: |
|---|
| 817 | mtime = render_time(metadata["mtime"]) |
|---|
| 818 | if times: |
|---|
| 819 | times.append(tags.br()) |
|---|
| 820 | times.append("m: " + mtime) |
|---|
| 821 | slots["times"] = times |
|---|
| 822 | |
|---|
| 823 | assert IFilesystemNode.providedBy(target), target |
|---|
| 824 | target_uri = target.get_uri() or "" |
|---|
| 825 | quoted_uri = url_quote(target_uri, safe="") # escape slashes too |
|---|
| 826 | |
|---|
| 827 | if IMutableFileNode.providedBy(target): |
|---|
| 828 | # to prevent javascript in displayed .html files from stealing a |
|---|
| 829 | # secret directory URI from the URL, send the browser to a URI-based |
|---|
| 830 | # page that doesn't know about the directory at all |
|---|
| 831 | dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl) |
|---|
| 832 | slots["filename"] = tags.a(name, href=dlurl, rel="noreferrer") |
|---|
| 833 | slots["type"] = "SSK" |
|---|
| 834 | slots["size"] = "?" |
|---|
| 835 | info_link = "{}/uri/{}?t=info".format(root, quoted_uri) |
|---|
| 836 | |
|---|
| 837 | elif IImmutableFileNode.providedBy(target): |
|---|
| 838 | dlurl = "%s/file/%s/@@named=/%s" % (root, quoted_uri, nameurl) |
|---|
| 839 | slots["filename"] = tags.a(name, href=dlurl, rel="noreferrer") |
|---|
| 840 | slots["type"] = "FILE" |
|---|
| 841 | slots["size"] = str(target.get_size()) |
|---|
| 842 | info_link = "{}/uri/{}?t=info".format(root, quoted_uri) |
|---|
| 843 | |
|---|
| 844 | elif IDirectoryNode.providedBy(target): |
|---|
| 845 | # directory |
|---|
| 846 | uri_link = "%s/uri/%s/" % (root, url_quote(target_uri)) |
|---|
| 847 | slots["filename"] = tags.a(name, href=uri_link) |
|---|
| 848 | if not target.is_mutable(): |
|---|
| 849 | dirtype = "DIR-IMM" |
|---|
| 850 | elif target.is_readonly(): |
|---|
| 851 | dirtype = "DIR-RO" |
|---|
| 852 | else: |
|---|
| 853 | dirtype = "DIR" |
|---|
| 854 | slots["type"] = dirtype |
|---|
| 855 | slots["size"] = "-" |
|---|
| 856 | info_link = "%s/uri/%s/?t=info" % (root, quoted_uri) |
|---|
| 857 | |
|---|
| 858 | elif isinstance(target, ProhibitedNode): |
|---|
| 859 | if IDirectoryNode.providedBy(target.wrapped_node): |
|---|
| 860 | blacklisted_type = "DIR-BLACKLISTED" |
|---|
| 861 | else: |
|---|
| 862 | blacklisted_type = "BLACKLISTED" |
|---|
| 863 | slots["type"] = blacklisted_type |
|---|
| 864 | slots["size"] = "-" |
|---|
| 865 | slots["info"] = ["Access Prohibited:", tags.br, target.reason] |
|---|
| 866 | slots["filename"] = tags.strike(name) |
|---|
| 867 | info_link = None |
|---|
| 868 | |
|---|
| 869 | else: |
|---|
| 870 | # unknown |
|---|
| 871 | if target.get_write_uri() is not None: |
|---|
| 872 | unknowntype = "?" |
|---|
| 873 | elif not self.node.is_mutable() or target.is_alleged_immutable(): |
|---|
| 874 | unknowntype = "?-IMM" |
|---|
| 875 | else: |
|---|
| 876 | unknowntype = "?-RO" |
|---|
| 877 | slots["filename"] = name |
|---|
| 878 | slots["type"] = unknowntype |
|---|
| 879 | slots["size"] = "-" |
|---|
| 880 | # use a directory-relative info link, so we can extract both the |
|---|
| 881 | # writecap and the readcap |
|---|
| 882 | info_link = "%s?t=info" % url_quote(name) |
|---|
| 883 | |
|---|
| 884 | if info_link: |
|---|
| 885 | slots["info"] = tags.a("More Info", href=info_link) |
|---|
| 886 | |
|---|
| 887 | return slots |
|---|
| 888 | |
|---|
| 889 | # XXX: similar to render_upload_form and render_mkdir_form in root.py. |
|---|
| 890 | # XXX: also, is generating so much HTML in code a great idea? -> templates? |
|---|
| 891 | @renderer |
|---|
| 892 | def forms(self, req, data): |
|---|
| 893 | forms = [] |
|---|
| 894 | |
|---|
| 895 | # making this consistent with the other forms, and also |
|---|
| 896 | # because action="." doesn't get us back to the dir page (but |
|---|
| 897 | # instead /uri itself) |
|---|
| 898 | root = get_root(req) |
|---|
| 899 | here = "{}/uri/{}/".format(root, url_quote(self.node.get_uri())) |
|---|
| 900 | |
|---|
| 901 | if self.node.is_readonly(): |
|---|
| 902 | return tags.div("No upload forms: directory is read-only") |
|---|
| 903 | if self.dirnode_children is None: |
|---|
| 904 | return tags.div("No upload forms: directory is unreadable") |
|---|
| 905 | |
|---|
| 906 | mkdir_sdmf = tags.input( |
|---|
| 907 | type='radio', |
|---|
| 908 | name='format', |
|---|
| 909 | value='sdmf', |
|---|
| 910 | id='mkdir-sdmf', |
|---|
| 911 | checked='checked', |
|---|
| 912 | ) |
|---|
| 913 | mkdir_mdmf = tags.input( |
|---|
| 914 | type='radio', |
|---|
| 915 | name='format', |
|---|
| 916 | value='mdmf', |
|---|
| 917 | id='mkdir-mdmf', |
|---|
| 918 | ) |
|---|
| 919 | |
|---|
| 920 | mkdir_form = tags.form( |
|---|
| 921 | [ |
|---|
| 922 | tags.fieldset([ |
|---|
| 923 | tags.input(type="hidden", name="t", value="mkdir"), |
|---|
| 924 | tags.input(type="hidden", name="when_done", value="."), |
|---|
| 925 | tags.legend("Create a new directory in this directory", class_="freeform-form-label"), |
|---|
| 926 | "New directory name:"+SPACE, tags.br, |
|---|
| 927 | tags.input(type="text", name="name"), SPACE, |
|---|
| 928 | tags.div( |
|---|
| 929 | [ |
|---|
| 930 | mkdir_sdmf, tags.label(SPACE, "SDMF", for_='mutable-directory-sdmf'), SPACE*2, |
|---|
| 931 | mkdir_mdmf, tags.label(SPACE, "MDMF (experimental)", for_='mutable-directory-mdmf'), |
|---|
| 932 | ], |
|---|
| 933 | class_="form-inline", |
|---|
| 934 | ), |
|---|
| 935 | tags.input( |
|---|
| 936 | type="submit", |
|---|
| 937 | class_="btn", |
|---|
| 938 | value="Create", |
|---|
| 939 | ), |
|---|
| 940 | ]) |
|---|
| 941 | ], |
|---|
| 942 | action=here, |
|---|
| 943 | method="post", |
|---|
| 944 | enctype="multipart/form-data", |
|---|
| 945 | ) |
|---|
| 946 | forms.append(tags.div(mkdir_form, class_="freeform-form")) |
|---|
| 947 | |
|---|
| 948 | upload_chk = tags.input( |
|---|
| 949 | type='radio', |
|---|
| 950 | name='format', |
|---|
| 951 | value='chk', |
|---|
| 952 | id='upload-chk', |
|---|
| 953 | checked='checked', |
|---|
| 954 | ) |
|---|
| 955 | upload_sdmf = tags.input( |
|---|
| 956 | type='radio', |
|---|
| 957 | name='format', |
|---|
| 958 | value='sdmf', |
|---|
| 959 | id='upload-sdmf', |
|---|
| 960 | ) |
|---|
| 961 | upload_mdmf = tags.input( |
|---|
| 962 | type='radio', |
|---|
| 963 | name='format', |
|---|
| 964 | value='mdmf', |
|---|
| 965 | id='upload-mdmf', |
|---|
| 966 | ) |
|---|
| 967 | |
|---|
| 968 | upload_form = tags.form( |
|---|
| 969 | tags.fieldset([ |
|---|
| 970 | tags.input(type="hidden", name="t", value="upload"), |
|---|
| 971 | tags.input(type="hidden", name="when_done", value=req.uri), |
|---|
| 972 | tags.legend("Upload a file to this directory", class_="freeform-form-label"), |
|---|
| 973 | "Choose a file to upload:"+SPACE, |
|---|
| 974 | tags.input(type="file", name="file", class_="freeform-input-file"), SPACE, |
|---|
| 975 | tags.div([ |
|---|
| 976 | upload_chk, tags.label(SPACE, "Immutable", for_="upload-chk"), SPACE*2, |
|---|
| 977 | upload_sdmf, tags.label(SPACE, "SDMF", for_="upload-sdmf"), SPACE*2, |
|---|
| 978 | upload_mdmf, tags.label(SPACE, "MDMF (experimental)", for_="upload-mdmf"), |
|---|
| 979 | ], class_="form-inline"), |
|---|
| 980 | tags.input(type="submit", class_="btn", value="Upload"), SPACE*2, |
|---|
| 981 | ]), |
|---|
| 982 | action=req.uri, |
|---|
| 983 | method="post", |
|---|
| 984 | enctype="multipart/form-data", |
|---|
| 985 | ) |
|---|
| 986 | forms.append(tags.div(upload_form, class_="freeform-form")) |
|---|
| 987 | |
|---|
| 988 | attach_form = tags.form( |
|---|
| 989 | tags.fieldset( |
|---|
| 990 | tags.div([ |
|---|
| 991 | tags.input(type="hidden", name="t", value="uri"), |
|---|
| 992 | tags.input(type="hidden", name="when_done", value="."), |
|---|
| 993 | tags.legend("Add a link to a file or directory which is already in Tahoe-LAFS.", class_="freeform-form-label"), |
|---|
| 994 | "New child name:"+SPACE, |
|---|
| 995 | tags.input(type="text", name="name"), SPACE*2, tags.br, |
|---|
| 996 | "URI of new child:"+SPACE, |
|---|
| 997 | tags.input(type="text", name="uri"), SPACE, |
|---|
| 998 | tags.input(type="submit", class_="btn", value="Attach"), |
|---|
| 999 | ], class_="form-inline"), |
|---|
| 1000 | ), |
|---|
| 1001 | action=here, |
|---|
| 1002 | method="post", |
|---|
| 1003 | enctype="multipart/form-data", |
|---|
| 1004 | ) |
|---|
| 1005 | forms.append(tags.div(attach_form, class_="freeform-form")) |
|---|
| 1006 | return forms |
|---|
| 1007 | |
|---|
| 1008 | @renderer |
|---|
| 1009 | def results(self, req, tag): |
|---|
| 1010 | return get_arg(req, "results", "") |
|---|
| 1011 | |
|---|
| 1012 | def _directory_json_metadata(req, dirnode): |
|---|
| 1013 | d = dirnode.list() |
|---|
| 1014 | def _got(children): |
|---|
| 1015 | kids = {} |
|---|
| 1016 | for name, (childnode, metadata) in list(children.items()): |
|---|
| 1017 | assert IFilesystemNode.providedBy(childnode), childnode |
|---|
| 1018 | rw_uri = childnode.get_write_uri() |
|---|
| 1019 | ro_uri = childnode.get_readonly_uri() |
|---|
| 1020 | if IFileNode.providedBy(childnode): |
|---|
| 1021 | kiddata = ("filenode", get_filenode_metadata(childnode)) |
|---|
| 1022 | elif IDirectoryNode.providedBy(childnode): |
|---|
| 1023 | kiddata = ("dirnode", {'mutable': childnode.is_mutable()}) |
|---|
| 1024 | else: |
|---|
| 1025 | kiddata = ("unknown", {}) |
|---|
| 1026 | |
|---|
| 1027 | kiddata[1]["metadata"] = metadata |
|---|
| 1028 | if rw_uri: |
|---|
| 1029 | kiddata[1]["rw_uri"] = rw_uri |
|---|
| 1030 | if ro_uri: |
|---|
| 1031 | kiddata[1]["ro_uri"] = ro_uri |
|---|
| 1032 | verifycap = childnode.get_verify_cap() |
|---|
| 1033 | if verifycap: |
|---|
| 1034 | kiddata[1]['verify_uri'] = verifycap.to_string() |
|---|
| 1035 | |
|---|
| 1036 | kids[name] = kiddata |
|---|
| 1037 | |
|---|
| 1038 | drw_uri = dirnode.get_write_uri() |
|---|
| 1039 | dro_uri = dirnode.get_readonly_uri() |
|---|
| 1040 | contents = { 'children': kids } |
|---|
| 1041 | if dro_uri: |
|---|
| 1042 | contents['ro_uri'] = dro_uri |
|---|
| 1043 | if drw_uri: |
|---|
| 1044 | contents['rw_uri'] = drw_uri |
|---|
| 1045 | verifycap = dirnode.get_verify_cap() |
|---|
| 1046 | if verifycap: |
|---|
| 1047 | contents['verify_uri'] = verifycap.to_string() |
|---|
| 1048 | contents['mutable'] = dirnode.is_mutable() |
|---|
| 1049 | data = ("dirnode", contents) |
|---|
| 1050 | return json.dumps(data, indent=1) + "\n" |
|---|
| 1051 | d.addCallback(_got) |
|---|
| 1052 | d.addCallback(text_plain, req) |
|---|
| 1053 | |
|---|
| 1054 | def error(f): |
|---|
| 1055 | message, code = humanize_failure(f) |
|---|
| 1056 | req.setResponseCode(code) |
|---|
| 1057 | return json.dumps({ |
|---|
| 1058 | "error": message, |
|---|
| 1059 | }) |
|---|
| 1060 | d.addErrback(error) |
|---|
| 1061 | return d |
|---|
| 1062 | |
|---|
| 1063 | |
|---|
| 1064 | def _directory_uri(req, dirnode): |
|---|
| 1065 | return text_plain(dirnode.get_uri(), req) |
|---|
| 1066 | |
|---|
| 1067 | def _directory_readonly_uri(req, dirnode): |
|---|
| 1068 | return text_plain(dirnode.get_readonly_uri(), req) |
|---|
| 1069 | |
|---|
| 1070 | class RenameForm(Element, object): |
|---|
| 1071 | |
|---|
| 1072 | loader = XMLFile(FilePath(__file__).sibling("rename-form.xhtml")) |
|---|
| 1073 | |
|---|
| 1074 | def __init__(self, original): |
|---|
| 1075 | self.original = original |
|---|
| 1076 | super(RenameForm, self).__init__() |
|---|
| 1077 | |
|---|
| 1078 | @renderer |
|---|
| 1079 | def title(self, req, tag): |
|---|
| 1080 | return tag("Directory SI={}".format(str(abbreviated_dirnode(self.original), "ascii"))) |
|---|
| 1081 | |
|---|
| 1082 | @renderer |
|---|
| 1083 | def header(self, req, tag): |
|---|
| 1084 | header = [ |
|---|
| 1085 | "Rename " |
|---|
| 1086 | "in directory SI=%s" % str(abbreviated_dirnode(self.original), "ascii"), |
|---|
| 1087 | ] |
|---|
| 1088 | |
|---|
| 1089 | if self.original.is_readonly(): |
|---|
| 1090 | header.append(" (readonly!)") |
|---|
| 1091 | header.append(":") |
|---|
| 1092 | return tag(header) |
|---|
| 1093 | |
|---|
| 1094 | @renderer |
|---|
| 1095 | def when_done(self, req, tag): |
|---|
| 1096 | return tags.input(type="hidden", name="when_done", value=".") |
|---|
| 1097 | |
|---|
| 1098 | @renderer |
|---|
| 1099 | def get_name(self, req, tag): |
|---|
| 1100 | name = get_arg(req, "name", "") |
|---|
| 1101 | tag.attributes['value'] = name |
|---|
| 1102 | return tag |
|---|
| 1103 | |
|---|
| 1104 | |
|---|
| 1105 | class ReloadableMonitorElement(Element): |
|---|
| 1106 | """ |
|---|
| 1107 | Like 'ReloadMixin', but for twisted.web.template style. This |
|---|
| 1108 | provides renderers for "reload" and "refesh" and a self.monitor |
|---|
| 1109 | attribute (which is an instance of IMonitor) |
|---|
| 1110 | """ |
|---|
| 1111 | refresh_time = timedelta(seconds=60) |
|---|
| 1112 | |
|---|
| 1113 | def __init__(self, monitor): |
|---|
| 1114 | self.monitor = monitor |
|---|
| 1115 | super(ReloadableMonitorElement, self).__init__() |
|---|
| 1116 | |
|---|
| 1117 | @renderer |
|---|
| 1118 | def refresh(self, req, tag): |
|---|
| 1119 | if self.monitor.is_finished(): |
|---|
| 1120 | return u"" |
|---|
| 1121 | tag.attributes[u"http-equiv"] = u"refresh" |
|---|
| 1122 | tag.attributes[u"content"] = u"{}".format(self.refresh_time.seconds) |
|---|
| 1123 | return tag |
|---|
| 1124 | |
|---|
| 1125 | @renderer |
|---|
| 1126 | def reload(self, req, tag): |
|---|
| 1127 | if self.monitor.is_finished(): |
|---|
| 1128 | return u"" |
|---|
| 1129 | reload_url = URL.from_text(u"{}".format(req.path)) |
|---|
| 1130 | cancel_button = tags.form( |
|---|
| 1131 | [ |
|---|
| 1132 | tags.input(type=u"submit", value=u"Cancel"), |
|---|
| 1133 | ], |
|---|
| 1134 | action=reload_url.replace(query={u"t": u"cancel"}).to_uri().to_text(), |
|---|
| 1135 | method=u"POST", |
|---|
| 1136 | enctype=u"multipart/form-data", |
|---|
| 1137 | ) |
|---|
| 1138 | |
|---|
| 1139 | return tag([ |
|---|
| 1140 | u"Operation still running: ", |
|---|
| 1141 | tags.a( |
|---|
| 1142 | u"Reload", |
|---|
| 1143 | href=reload_url.replace(query={u"output": u"html"}).to_uri().to_text(), |
|---|
| 1144 | ), |
|---|
| 1145 | cancel_button, |
|---|
| 1146 | ]) |
|---|
| 1147 | |
|---|
| 1148 | |
|---|
| 1149 | def _slashify_path(path): |
|---|
| 1150 | """ |
|---|
| 1151 | Converts a tuple from a 'manifest' path into a string with slashes |
|---|
| 1152 | in it |
|---|
| 1153 | """ |
|---|
| 1154 | if not path: |
|---|
| 1155 | return b"" |
|---|
| 1156 | return b"/".join([p.encode("utf-8") for p in path]) |
|---|
| 1157 | |
|---|
| 1158 | |
|---|
| 1159 | def _cap_to_link(root, path, cap): |
|---|
| 1160 | """ |
|---|
| 1161 | Turns a capability-string into a WebAPI link tag |
|---|
| 1162 | |
|---|
| 1163 | :param text root: the root piece of the URI |
|---|
| 1164 | |
|---|
| 1165 | :param text cap: the capability-string |
|---|
| 1166 | |
|---|
| 1167 | :returns: something suitable for `IRenderable`, specifically |
|---|
| 1168 | either a valid local link (tags.a instance) to the capability |
|---|
| 1169 | or an empty string. |
|---|
| 1170 | """ |
|---|
| 1171 | if cap: |
|---|
| 1172 | root_url = URL.from_text(u"{}".format(root)) |
|---|
| 1173 | cap_obj = from_string(cap) |
|---|
| 1174 | if isinstance(cap_obj, (CHKFileURI, WriteableSSKFileURI, ReadonlySSKFileURI)): |
|---|
| 1175 | uri_link = root_url.child( |
|---|
| 1176 | u"file", |
|---|
| 1177 | u"{}".format(url_quote(cap)), |
|---|
| 1178 | u"{}".format(url_quote(path[-1])), |
|---|
| 1179 | ) |
|---|
| 1180 | else: |
|---|
| 1181 | uri_link = root_url.child( |
|---|
| 1182 | u"uri", |
|---|
| 1183 | u"{}".format(url_quote(cap, safe="")), |
|---|
| 1184 | ) |
|---|
| 1185 | return tags.a(cap, href=uri_link.to_text()) |
|---|
| 1186 | else: |
|---|
| 1187 | return u"" |
|---|
| 1188 | |
|---|
| 1189 | |
|---|
| 1190 | class ManifestElement(ReloadableMonitorElement): |
|---|
| 1191 | loader = XMLFile(FilePath(__file__).sibling("manifest.xhtml")) |
|---|
| 1192 | |
|---|
| 1193 | def _si_abbrev(self): |
|---|
| 1194 | si = self.monitor.origin_si |
|---|
| 1195 | if not si: |
|---|
| 1196 | return "<LIT>" |
|---|
| 1197 | return str(base32.b2a(si)[:6], "utf-8") |
|---|
| 1198 | |
|---|
| 1199 | @renderer |
|---|
| 1200 | def title(self, req, tag): |
|---|
| 1201 | return tag( |
|---|
| 1202 | "Manifest of SI={}".format(self._si_abbrev()) |
|---|
| 1203 | ) |
|---|
| 1204 | |
|---|
| 1205 | @renderer |
|---|
| 1206 | def header(self, req, tag): |
|---|
| 1207 | return tag( |
|---|
| 1208 | "Manifest of SI={}".format(self._si_abbrev()) |
|---|
| 1209 | ) |
|---|
| 1210 | |
|---|
| 1211 | @renderer |
|---|
| 1212 | def items(self, req, tag): |
|---|
| 1213 | manifest = self.monitor.get_status()["manifest"] |
|---|
| 1214 | root = get_root(req) |
|---|
| 1215 | rows = [ |
|---|
| 1216 | { |
|---|
| 1217 | "path": _slashify_path(path), |
|---|
| 1218 | "cap": _cap_to_link(root, path, cap), |
|---|
| 1219 | } |
|---|
| 1220 | for path, cap in manifest |
|---|
| 1221 | ] |
|---|
| 1222 | return SlotsSequenceElement(tag, rows) |
|---|
| 1223 | |
|---|
| 1224 | |
|---|
| 1225 | class ManifestResults(MultiFormatResource, ReloadMixin): |
|---|
| 1226 | |
|---|
| 1227 | # Control MultiFormatResource |
|---|
| 1228 | formatArgument = "output" |
|---|
| 1229 | formatDefault = "html" |
|---|
| 1230 | |
|---|
| 1231 | def __init__(self, client, monitor): |
|---|
| 1232 | self.client = client |
|---|
| 1233 | self.monitor = monitor |
|---|
| 1234 | |
|---|
| 1235 | def render_HTML(self, req): |
|---|
| 1236 | return renderElement( |
|---|
| 1237 | req, |
|---|
| 1238 | ManifestElement(self.monitor) |
|---|
| 1239 | ) |
|---|
| 1240 | |
|---|
| 1241 | def render_TEXT(self, req): |
|---|
| 1242 | req.setHeader("content-type", "text/plain") |
|---|
| 1243 | lines = [] |
|---|
| 1244 | is_finished = self.monitor.is_finished() |
|---|
| 1245 | lines.append(b"finished: " + {True: b"yes", False: b"no"}[is_finished]) |
|---|
| 1246 | for path, cap in self.monitor.get_status()["manifest"]: |
|---|
| 1247 | lines.append(_slashify_path(path) + b" " + cap) |
|---|
| 1248 | return b"\n".join(lines) + b"\n" |
|---|
| 1249 | |
|---|
| 1250 | def render_JSON(self, req): |
|---|
| 1251 | req.setHeader("content-type", "text/plain") |
|---|
| 1252 | m = self.monitor |
|---|
| 1253 | s = m.get_status() |
|---|
| 1254 | |
|---|
| 1255 | if m.origin_si: |
|---|
| 1256 | origin_base32 = base32.b2a(m.origin_si) |
|---|
| 1257 | else: |
|---|
| 1258 | origin_base32 = "" |
|---|
| 1259 | status = { "stats": s["stats"], |
|---|
| 1260 | "finished": m.is_finished(), |
|---|
| 1261 | "origin": origin_base32, |
|---|
| 1262 | } |
|---|
| 1263 | if m.is_finished(): |
|---|
| 1264 | # don't return manifest/verifycaps/SIs unless the operation is |
|---|
| 1265 | # done, to save on CPU/memory (both here and in the HTTP client |
|---|
| 1266 | # who has to unpack the JSON). Tests show that the ManifestWalker |
|---|
| 1267 | # needs about 1092 bytes per item, the JSON we generate here |
|---|
| 1268 | # requires about 503 bytes per item, and some internal overhead |
|---|
| 1269 | # (perhaps transport-layer buffers in twisted.web?) requires an |
|---|
| 1270 | # additional 1047 bytes per item. |
|---|
| 1271 | status.update({ "manifest": s["manifest"], |
|---|
| 1272 | "verifycaps": [i for i in s["verifycaps"]], |
|---|
| 1273 | "storage-index": [i for i in s["storage-index"]], |
|---|
| 1274 | }) |
|---|
| 1275 | # simplejson doesn't know how to serialize a set. We use a |
|---|
| 1276 | # generator that walks the set rather than list(setofthing) to |
|---|
| 1277 | # save a small amount of memory (4B*len) and a moderate amount of |
|---|
| 1278 | # CPU. |
|---|
| 1279 | return json.dumps(status, indent=1) |
|---|
| 1280 | |
|---|
| 1281 | |
|---|
| 1282 | class DeepSizeResults(MultiFormatResource): |
|---|
| 1283 | |
|---|
| 1284 | # Control MultiFormatResource |
|---|
| 1285 | formatArgument = "output" |
|---|
| 1286 | formatDefault = "html" |
|---|
| 1287 | |
|---|
| 1288 | def __init__(self, client, monitor): |
|---|
| 1289 | self.client = client |
|---|
| 1290 | self.monitor = monitor |
|---|
| 1291 | |
|---|
| 1292 | def render_HTML(self, req): |
|---|
| 1293 | is_finished = self.monitor.is_finished() |
|---|
| 1294 | output = "finished: " + {True: "yes", False: "no"}[is_finished] + "\n" |
|---|
| 1295 | if is_finished: |
|---|
| 1296 | stats = self.monitor.get_status() |
|---|
| 1297 | total = (stats.get("size-immutable-files", 0) |
|---|
| 1298 | + stats.get("size-mutable-files", 0) |
|---|
| 1299 | + stats.get("size-directories", 0)) |
|---|
| 1300 | output += "size: %d\n" % total |
|---|
| 1301 | return output.encode("utf-8") |
|---|
| 1302 | render_TEXT = render_HTML |
|---|
| 1303 | |
|---|
| 1304 | def render_JSON(self, req): |
|---|
| 1305 | req.setHeader("content-type", "text/plain") |
|---|
| 1306 | status = {"finished": self.monitor.is_finished(), |
|---|
| 1307 | "size": self.monitor.get_status(), |
|---|
| 1308 | } |
|---|
| 1309 | return json.dumps(status) |
|---|
| 1310 | |
|---|
| 1311 | |
|---|
| 1312 | class DeepStatsResults(Resource, object): |
|---|
| 1313 | """ |
|---|
| 1314 | Renders the results of a 'deep-stats' operation on a directory |
|---|
| 1315 | capability. |
|---|
| 1316 | """ |
|---|
| 1317 | def __init__(self, client, monitor): |
|---|
| 1318 | self.client = client |
|---|
| 1319 | self.monitor = monitor |
|---|
| 1320 | |
|---|
| 1321 | def render(self, req): |
|---|
| 1322 | # JSON only |
|---|
| 1323 | req.setHeader("content-type", "text/plain") |
|---|
| 1324 | s = self.monitor.get_status().copy() |
|---|
| 1325 | s["finished"] = self.monitor.is_finished() |
|---|
| 1326 | return json.dumps(s, indent=1).encode("utf-8") |
|---|
| 1327 | |
|---|
| 1328 | |
|---|
| 1329 | @implementer(IPushProducer) |
|---|
| 1330 | class ManifestStreamer(dirnode.DeepStats): |
|---|
| 1331 | |
|---|
| 1332 | def __init__(self, req, origin): |
|---|
| 1333 | dirnode.DeepStats.__init__(self, origin) |
|---|
| 1334 | self.req = req |
|---|
| 1335 | |
|---|
| 1336 | def setMonitor(self, monitor): |
|---|
| 1337 | self.monitor = monitor |
|---|
| 1338 | def pauseProducing(self): |
|---|
| 1339 | pass |
|---|
| 1340 | def resumeProducing(self): |
|---|
| 1341 | pass |
|---|
| 1342 | def stopProducing(self): |
|---|
| 1343 | self.monitor.cancel() |
|---|
| 1344 | |
|---|
| 1345 | def add_node(self, node, path): |
|---|
| 1346 | dirnode.DeepStats.add_node(self, node, path) |
|---|
| 1347 | d = {"path": path, |
|---|
| 1348 | "cap": node.get_uri()} |
|---|
| 1349 | |
|---|
| 1350 | if IDirectoryNode.providedBy(node): |
|---|
| 1351 | d["type"] = "directory" |
|---|
| 1352 | elif IFileNode.providedBy(node): |
|---|
| 1353 | d["type"] = "file" |
|---|
| 1354 | else: |
|---|
| 1355 | d["type"] = "unknown" |
|---|
| 1356 | |
|---|
| 1357 | v = node.get_verify_cap() |
|---|
| 1358 | if v: |
|---|
| 1359 | v = v.to_string() |
|---|
| 1360 | d["verifycap"] = v or "" |
|---|
| 1361 | |
|---|
| 1362 | r = node.get_repair_cap() |
|---|
| 1363 | if r: |
|---|
| 1364 | r = r.to_string() |
|---|
| 1365 | d["repaircap"] = r or "" |
|---|
| 1366 | |
|---|
| 1367 | si = node.get_storage_index() |
|---|
| 1368 | if si: |
|---|
| 1369 | si = base32.b2a(si) |
|---|
| 1370 | d["storage-index"] = si or "" |
|---|
| 1371 | |
|---|
| 1372 | j = json.dumps(d, ensure_ascii=True) |
|---|
| 1373 | assert "\n" not in j |
|---|
| 1374 | self.req.write(j.encode("utf-8")+b"\n") |
|---|
| 1375 | |
|---|
| 1376 | def finish(self): |
|---|
| 1377 | stats = dirnode.DeepStats.get_results(self) |
|---|
| 1378 | d = {"type": "stats", |
|---|
| 1379 | "stats": stats, |
|---|
| 1380 | } |
|---|
| 1381 | j = json.dumps(d, ensure_ascii=True) |
|---|
| 1382 | assert "\n" not in j |
|---|
| 1383 | self.req.write(j.encode("utf-8")+b"\n") |
|---|
| 1384 | return b"" |
|---|
| 1385 | |
|---|
| 1386 | @implementer(IPushProducer) |
|---|
| 1387 | class DeepCheckStreamer(dirnode.DeepStats): |
|---|
| 1388 | |
|---|
| 1389 | def __init__(self, req, origin, verify, repair, add_lease): |
|---|
| 1390 | dirnode.DeepStats.__init__(self, origin) |
|---|
| 1391 | self.req = req |
|---|
| 1392 | self.verify = verify |
|---|
| 1393 | self.repair = repair |
|---|
| 1394 | self.add_lease = add_lease |
|---|
| 1395 | |
|---|
| 1396 | def setMonitor(self, monitor): |
|---|
| 1397 | self.monitor = monitor |
|---|
| 1398 | def pauseProducing(self): |
|---|
| 1399 | pass |
|---|
| 1400 | def resumeProducing(self): |
|---|
| 1401 | pass |
|---|
| 1402 | def stopProducing(self): |
|---|
| 1403 | self.monitor.cancel() |
|---|
| 1404 | |
|---|
| 1405 | def add_node(self, node, path): |
|---|
| 1406 | dirnode.DeepStats.add_node(self, node, path) |
|---|
| 1407 | data = {"path": path, |
|---|
| 1408 | "cap": node.get_uri()} |
|---|
| 1409 | |
|---|
| 1410 | if IDirectoryNode.providedBy(node): |
|---|
| 1411 | data["type"] = "directory" |
|---|
| 1412 | elif IFileNode.providedBy(node): |
|---|
| 1413 | data["type"] = "file" |
|---|
| 1414 | else: |
|---|
| 1415 | data["type"] = "unknown" |
|---|
| 1416 | |
|---|
| 1417 | v = node.get_verify_cap() |
|---|
| 1418 | if v: |
|---|
| 1419 | v = v.to_string() |
|---|
| 1420 | data["verifycap"] = v or "" |
|---|
| 1421 | |
|---|
| 1422 | r = node.get_repair_cap() |
|---|
| 1423 | if r: |
|---|
| 1424 | r = r.to_string() |
|---|
| 1425 | data["repaircap"] = r or "" |
|---|
| 1426 | |
|---|
| 1427 | si = node.get_storage_index() |
|---|
| 1428 | if si: |
|---|
| 1429 | si = base32.b2a(si) |
|---|
| 1430 | data["storage-index"] = si or "" |
|---|
| 1431 | |
|---|
| 1432 | if self.repair: |
|---|
| 1433 | d = node.check_and_repair(self.monitor, self.verify, self.add_lease) |
|---|
| 1434 | d.addCallback(self.add_check_and_repair, data) |
|---|
| 1435 | else: |
|---|
| 1436 | d = node.check(self.monitor, self.verify, self.add_lease) |
|---|
| 1437 | d.addCallback(self.add_check, data) |
|---|
| 1438 | d.addCallback(self.write_line) |
|---|
| 1439 | return d |
|---|
| 1440 | |
|---|
| 1441 | def add_check_and_repair(self, crr, data): |
|---|
| 1442 | data["check-and-repair-results"] = json_check_and_repair_results(crr) |
|---|
| 1443 | return data |
|---|
| 1444 | |
|---|
| 1445 | def add_check(self, cr, data): |
|---|
| 1446 | data["check-results"] = json_check_results(cr) |
|---|
| 1447 | return data |
|---|
| 1448 | |
|---|
| 1449 | def write_line(self, data): |
|---|
| 1450 | j = json.dumps(data, ensure_ascii=True) |
|---|
| 1451 | assert "\n" not in j |
|---|
| 1452 | self.req.write(j.encode("utf-8")+b"\n") |
|---|
| 1453 | |
|---|
| 1454 | def finish(self): |
|---|
| 1455 | stats = dirnode.DeepStats.get_results(self) |
|---|
| 1456 | d = {"type": "stats", |
|---|
| 1457 | "stats": stats, |
|---|
| 1458 | } |
|---|
| 1459 | j = json.dumps(d, ensure_ascii=True) |
|---|
| 1460 | assert "\n" not in j |
|---|
| 1461 | self.req.write(j.encode("utf-8")+b"\n") |
|---|
| 1462 | return b"" |
|---|
| 1463 | |
|---|
| 1464 | |
|---|
| 1465 | class UnknownNodeHandler(Resource, object): |
|---|
| 1466 | def __init__(self, client, node, parentnode=None, name=None): |
|---|
| 1467 | super(UnknownNodeHandler, self).__init__() |
|---|
| 1468 | assert node |
|---|
| 1469 | self.node = node |
|---|
| 1470 | self.parentnode = parentnode |
|---|
| 1471 | self.name = name |
|---|
| 1472 | |
|---|
| 1473 | @render_exception |
|---|
| 1474 | def render_GET(self, req): |
|---|
| 1475 | t = str(get_arg(req, "t", "").strip(), "ascii") |
|---|
| 1476 | if t == "info": |
|---|
| 1477 | return MoreInfo(self.node) |
|---|
| 1478 | if t == "json": |
|---|
| 1479 | is_parent_known_immutable = self.parentnode and not self.parentnode.is_mutable() |
|---|
| 1480 | if self.parentnode and self.name: |
|---|
| 1481 | d = self.parentnode.get_metadata_for(self.name) |
|---|
| 1482 | else: |
|---|
| 1483 | d = defer.succeed(None) |
|---|
| 1484 | d.addCallback(lambda md: UnknownJSONMetadata(req, self.node, md, is_parent_known_immutable)) |
|---|
| 1485 | return d |
|---|
| 1486 | raise WebError("GET unknown URI type: can only do t=info and t=json, not t=%s.\n" |
|---|
| 1487 | "Using a webapi server that supports a later version of Tahoe " |
|---|
| 1488 | "may help." % t) |
|---|
| 1489 | |
|---|
| 1490 | def UnknownJSONMetadata(req, node, edge_metadata, is_parent_known_immutable): |
|---|
| 1491 | rw_uri = node.get_write_uri() |
|---|
| 1492 | ro_uri = node.get_readonly_uri() |
|---|
| 1493 | data = ("unknown", {}) |
|---|
| 1494 | if ro_uri: |
|---|
| 1495 | data[1]['ro_uri'] = ro_uri |
|---|
| 1496 | if rw_uri: |
|---|
| 1497 | data[1]['rw_uri'] = rw_uri |
|---|
| 1498 | data[1]['mutable'] = True |
|---|
| 1499 | elif is_parent_known_immutable or node.is_alleged_immutable(): |
|---|
| 1500 | data[1]['mutable'] = False |
|---|
| 1501 | # else we don't know whether it is mutable. |
|---|
| 1502 | |
|---|
| 1503 | if edge_metadata is not None: |
|---|
| 1504 | data[1]['metadata'] = edge_metadata |
|---|
| 1505 | return text_plain(json.dumps(data, indent=1) + "\n", req) |
|---|