ZeroNet/plugins/OptionalManager/UiWebsocketPlugin.py
2019-08-26 03:20:07 +02:00

393 lines
14 KiB
Python

import re
import time
import html
import os
import gevent
from Plugin import PluginManager
from Config import config
from util import helper
from util.Flag import flag
from Translate import Translate
plugin_dir = os.path.dirname(__file__)
if "_" not in locals():
_ = Translate(plugin_dir + "/languages/")
bigfile_sha512_cache = {}
@PluginManager.registerTo("UiWebsocket")
class UiWebsocketPlugin(object):
def __init__(self, *args, **kwargs):
self.time_peer_numbers_updated = 0
super(UiWebsocketPlugin, self).__init__(*args, **kwargs)
def actionSiteSign(self, to, privatekey=None, inner_path="content.json", *args, **kwargs):
# Add file to content.db and set it as pinned
content_db = self.site.content_manager.contents.db
content_inner_dir = helper.getDirname(inner_path)
content_db.my_optional_files[self.site.address + "/" + content_inner_dir] = time.time()
if len(content_db.my_optional_files) > 50: # Keep only last 50
oldest_key = min(
iter(content_db.my_optional_files.keys()),
key=(lambda key: content_db.my_optional_files[key])
)
del content_db.my_optional_files[oldest_key]
return super(UiWebsocketPlugin, self).actionSiteSign(to, privatekey, inner_path, *args, **kwargs)
def updatePeerNumbers(self):
self.site.updateHashfield()
content_db = self.site.content_manager.contents.db
content_db.updatePeerNumbers()
self.site.updateWebsocket(peernumber_updated=True)
def addBigfileInfo(self, row):
global bigfile_sha512_cache
content_db = self.site.content_manager.contents.db
site = content_db.sites[row["address"]]
if not site.settings.get("has_bigfile"):
return False
file_key = row["address"] + "/" + row["inner_path"]
sha512 = bigfile_sha512_cache.get(file_key)
file_info = None
if not sha512:
file_info = site.content_manager.getFileInfo(row["inner_path"])
if not file_info or not file_info.get("piece_size"):
return False
sha512 = file_info["sha512"]
bigfile_sha512_cache[file_key] = sha512
if sha512 in site.storage.piecefields:
piecefield = site.storage.piecefields[sha512].tobytes()
else:
piecefield = None
if piecefield:
row["pieces"] = len(piecefield)
row["pieces_downloaded"] = piecefield.count(b"\x01")
row["downloaded_percent"] = 100 * row["pieces_downloaded"] / row["pieces"]
if row["pieces_downloaded"]:
if row["pieces"] == row["pieces_downloaded"]:
row["bytes_downloaded"] = row["size"]
else:
if not file_info:
file_info = site.content_manager.getFileInfo(row["inner_path"])
row["bytes_downloaded"] = row["pieces_downloaded"] * file_info.get("piece_size", 0)
else:
row["bytes_downloaded"] = 0
row["is_downloading"] = bool(next((inner_path for inner_path in site.bad_files if inner_path.startswith(row["inner_path"])), False))
# Add leech / seed stats
row["peer_seed"] = 0
row["peer_leech"] = 0
for peer in site.peers.values():
if not peer.time_piecefields_updated or sha512 not in peer.piecefields:
continue
peer_piecefield = peer.piecefields[sha512].tobytes()
if not peer_piecefield:
continue
if peer_piecefield == b"\x01" * len(peer_piecefield):
row["peer_seed"] += 1
else:
row["peer_leech"] += 1
# Add myself
if piecefield:
if row["pieces_downloaded"] == row["pieces"]:
row["peer_seed"] += 1
else:
row["peer_leech"] += 1
return True
# Optional file functions
def actionOptionalFileList(self, to, address=None, orderby="time_downloaded DESC", limit=10, filter="downloaded", filter_inner_path=None):
if not address:
address = self.site.address
# Update peer numbers if necessary
content_db = self.site.content_manager.contents.db
if time.time() - content_db.time_peer_numbers_updated > 60 * 1 and time.time() - self.time_peer_numbers_updated > 60 * 5:
# Start in new thread to avoid blocking
self.time_peer_numbers_updated = time.time()
gevent.spawn(self.updatePeerNumbers)
if address == "all" and "ADMIN" not in self.permissions:
return self.response(to, {"error": "Forbidden"})
if not self.hasSitePermission(address):
return self.response(to, {"error": "Forbidden"})
if not all([re.match("^[a-z_*/+-]+( DESC| ASC|)$", part.strip()) for part in orderby.split(",")]):
return self.response(to, "Invalid order_by")
if type(limit) != int:
return self.response(to, "Invalid limit")
back = []
content_db = self.site.content_manager.contents.db
wheres = {}
wheres_raw = []
if "bigfile" in filter:
wheres["size >"] = 1024 * 1024 * 10
if "downloaded" in filter:
wheres_raw.append("(is_downloaded = 1 OR is_pinned = 1)")
if "pinned" in filter:
wheres["is_pinned"] = 1
if filter_inner_path:
wheres["inner_path__like"] = filter_inner_path
if address == "all":
join = "LEFT JOIN site USING (site_id)"
else:
wheres["site_id"] = content_db.site_ids[address]
join = ""
if wheres_raw:
query_wheres_raw = "AND" + " AND ".join(wheres_raw)
else:
query_wheres_raw = ""
query = "SELECT * FROM file_optional %s WHERE ? %s ORDER BY %s LIMIT %s" % (join, query_wheres_raw, orderby, limit)
for row in content_db.execute(query, wheres):
row = dict(row)
if address != "all":
row["address"] = address
if row["size"] > 1024 * 1024:
has_info = self.addBigfileInfo(row)
else:
has_info = False
if not has_info:
if row["is_downloaded"]:
row["bytes_downloaded"] = row["size"]
row["downloaded_percent"] = 100
else:
row["bytes_downloaded"] = 0
row["downloaded_percent"] = 0
back.append(row)
self.response(to, back)
def actionOptionalFileInfo(self, to, inner_path):
content_db = self.site.content_manager.contents.db
site_id = content_db.site_ids[self.site.address]
# Update peer numbers if necessary
if time.time() - content_db.time_peer_numbers_updated > 60 * 1 and time.time() - self.time_peer_numbers_updated > 60 * 5:
# Start in new thread to avoid blocking
self.time_peer_numbers_updated = time.time()
gevent.spawn(self.updatePeerNumbers)
query = "SELECT * FROM file_optional WHERE site_id = :site_id AND inner_path = :inner_path LIMIT 1"
res = content_db.execute(query, {"site_id": site_id, "inner_path": inner_path})
row = next(res, None)
if row:
row = dict(row)
if row["size"] > 1024 * 1024:
row["address"] = self.site.address
self.addBigfileInfo(row)
self.response(to, row)
else:
self.response(to, None)
def setPin(self, inner_path, is_pinned, address=None):
if not address:
address = self.site.address
if not self.hasSitePermission(address):
return {"error": "Forbidden"}
site = self.server.sites[address]
site.content_manager.setPin(inner_path, is_pinned)
return "ok"
@flag.no_multiuser
def actionOptionalFilePin(self, to, inner_path, address=None):
if type(inner_path) is not list:
inner_path = [inner_path]
back = self.setPin(inner_path, 1, address)
num_file = len(inner_path)
if back == "ok":
if num_file == 1:
self.cmd("notification", ["done", _["Pinned %s"] % html.escape(helper.getFilename(inner_path[0])), 5000])
else:
self.cmd("notification", ["done", _["Pinned %s files"] % num_file, 5000])
self.response(to, back)
@flag.no_multiuser
def actionOptionalFileUnpin(self, to, inner_path, address=None):
if type(inner_path) is not list:
inner_path = [inner_path]
back = self.setPin(inner_path, 0, address)
num_file = len(inner_path)
if back == "ok":
if num_file == 1:
self.cmd("notification", ["done", _["Removed pin from %s"] % html.escape(helper.getFilename(inner_path[0])), 5000])
else:
self.cmd("notification", ["done", _["Removed pin from %s files"] % num_file, 5000])
self.response(to, back)
@flag.no_multiuser
def actionOptionalFileDelete(self, to, inner_path, address=None):
if not address:
address = self.site.address
if not self.hasSitePermission(address):
return self.response(to, {"error": "Forbidden"})
site = self.server.sites[address]
content_db = site.content_manager.contents.db
site_id = content_db.site_ids[site.address]
res = content_db.execute("SELECT * FROM file_optional WHERE ? LIMIT 1", {"site_id": site_id, "inner_path": inner_path, "is_downloaded": 1})
row = next(res, None)
if not row:
return self.response(to, {"error": "Not found in content.db"})
removed = site.content_manager.optionalRemoved(inner_path, row["hash_id"], row["size"])
# if not removed:
# return self.response(to, {"error": "Not found in hash_id: %s" % row["hash_id"]})
content_db.execute("UPDATE file_optional SET is_downloaded = 0, is_pinned = 0, peer = peer - 1 WHERE ?", {"site_id": site_id, "inner_path": inner_path})
try:
site.storage.delete(inner_path)
except Exception as err:
return self.response(to, {"error": "File delete error: %s" % err})
site.updateWebsocket(file_delete=inner_path)
if inner_path in site.content_manager.cache_is_pinned:
site.content_manager.cache_is_pinned = {}
self.response(to, "ok")
# Limit functions
@flag.admin
def actionOptionalLimitStats(self, to):
back = {}
back["limit"] = config.optional_limit
back["used"] = self.site.content_manager.contents.db.getOptionalUsedBytes()
back["free"] = helper.getFreeSpace()
self.response(to, back)
@flag.no_multiuser
@flag.admin
def actionOptionalLimitSet(self, to, limit):
config.optional_limit = re.sub(r"\.0+$", "", limit) # Remove unnecessary digits from end
config.saveValue("optional_limit", limit)
self.response(to, "ok")
# Distribute help functions
def actionOptionalHelpList(self, to, address=None):
if not address:
address = self.site.address
if not self.hasSitePermission(address):
return self.response(to, {"error": "Forbidden"})
site = self.server.sites[address]
self.response(to, site.settings.get("optional_help", {}))
@flag.no_multiuser
def actionOptionalHelp(self, to, directory, title, address=None):
if not address:
address = self.site.address
if not self.hasSitePermission(address):
return self.response(to, {"error": "Forbidden"})
site = self.server.sites[address]
content_db = site.content_manager.contents.db
site_id = content_db.site_ids[address]
if "optional_help" not in site.settings:
site.settings["optional_help"] = {}
stats = content_db.execute(
"SELECT COUNT(*) AS num, SUM(size) AS size FROM file_optional WHERE site_id = :site_id AND inner_path LIKE :inner_path",
{"site_id": site_id, "inner_path": directory + "%"}
).fetchone()
stats = dict(stats)
if not stats["size"]:
stats["size"] = 0
if not stats["num"]:
stats["num"] = 0
self.cmd("notification", [
"done",
_["You started to help distribute <b>%s</b>.<br><small>Directory: %s</small>"] %
(html.escape(title), html.escape(directory)),
10000
])
site.settings["optional_help"][directory] = title
self.response(to, dict(stats))
@flag.no_multiuser
def actionOptionalHelpRemove(self, to, directory, address=None):
if not address:
address = self.site.address
if not self.hasSitePermission(address):
return self.response(to, {"error": "Forbidden"})
site = self.server.sites[address]
try:
del site.settings["optional_help"][directory]
self.response(to, "ok")
except Exception:
self.response(to, {"error": "Not found"})
def cbOptionalHelpAll(self, to, site, value):
site.settings["autodownloadoptional"] = value
self.response(to, value)
@flag.no_multiuser
def actionOptionalHelpAll(self, to, value, address=None):
if not address:
address = self.site.address
if not self.hasSitePermission(address):
return self.response(to, {"error": "Forbidden"})
site = self.server.sites[address]
if value:
if "ADMIN" in self.site.settings["permissions"]:
self.cbOptionalHelpAll(to, site, True)
else:
site_title = site.content_manager.contents["content.json"].get("title", address)
self.cmd(
"confirm",
[
_["Help distribute all new optional files on site <b>%s</b>"] % html.escape(site_title),
_["Yes, I want to help!"]
],
lambda res: self.cbOptionalHelpAll(to, site, True)
)
else:
site.settings["autodownloadoptional"] = False
self.response(to, False)