lbry-sdk/lbrynet/lbrynet_daemon/LBRYDaemonServer.py

215 lines
9 KiB
Python

import logging
import subprocess
import os
import shutil
from txjsonrpc.web import jsonrpc
import json
from StringIO import StringIO
from zipfile import ZipFile
from urllib import urlopen
from datetime import datetime
from appdirs import user_data_dir
from twisted.web import server, static, resource
from twisted.internet import defer
from lbrynet.lbrynet_daemon.LBRYDaemon import LBRYDaemon
from lbrynet.conf import API_CONNECTION_STRING, API_ADDRESS, DEFAULT_WALLET, UI_ADDRESS
log = logging.getLogger(__name__)
data_dir = user_data_dir("LBRY")
if not os.path.isdir(data_dir):
os.mkdir(data_dir)
version_dir = os.path.join(data_dir, "ui_version_history")
if not os.path.isdir(version_dir):
os.mkdir(version_dir)
version_log = logging.getLogger("lbry_version")
version_log.addHandler(logging.FileHandler(os.path.join(version_dir, "lbry_version.log")))
version_log.setLevel(logging.INFO)
class LBRYindex(resource.Resource):
def __init__(self, ui_dir):
resource.Resource.__init__(self)
self.ui_dir = ui_dir
isLeaf = False
def _delayed_render(self, request, results):
request.write(str(results))
request.finish()
def getChild(self, name, request):
if name == '':
return self
return resource.Resource.getChild(self, name, request)
def render_GET(self, request):
return static.File(os.path.join(self.ui_dir, "index.html")).render_GET(request)
class LBRYFileRender(resource.Resource):
isLeaf = False
def render_GET(self, request):
if 'name' in request.args.keys():
api = jsonrpc.Proxy(API_CONNECTION_STRING)
if request.args['name'][0] != 'lbry':
d = api.callRemote("get", {'name': request.args['name'][0]})
d.addCallback(lambda results: static.File(results['path']))
d.addCallback(lambda static_file: static_file.render_GET(request) if static_file.getFileSize() > 0
else server.failure)
else:
request.redirect(UI_ADDRESS)
request.finish()
return server.NOT_DONE_YET
else:
return server.failure
class LBRYBugReport(resource.Resource):
isLeaf = False
def _delayed_render(self, request, results):
request.write(results)
request.finish()
def render_GET(self, request):
return '<html><body><form method="POST">' \
'<br>Please describe the problem you experienced and any information you think might be useful to us. Links to screenshots are great!</br>' \
'<textarea cols="50" rows="10" name="message" type="text"></textarea>' \
'<button>Submit</button>' \
'</form></body></html>'
def render_POST(self, request):
msg = request.args["message"][0]
api = jsonrpc.Proxy(API_CONNECTION_STRING)
d = api.callRemote("upload_log", {'name_prefix': 'report', 'exclude_previous': False, 'force': True, 'message': str(msg)})
d.addCallback(lambda _: self._delayed_render(request, "<html><body>Your bug report is greatly appreciated! <a href='lbry://lbry'>Click here to return to LBRY</a></body></html>"))
return server.NOT_DONE_YET
class LBRYDaemonServer(object):
def __init__(self):
self.data_dir = user_data_dir("LBRY")
if not os.path.isdir(self.data_dir):
os.mkdir(self.data_dir)
self.version_dir = os.path.join(self.data_dir, "ui_version_history")
if not os.path.isdir(self.version_dir):
os.mkdir(self.version_dir)
self.config = os.path.join(self.version_dir, "active.json")
self.ui_dir = os.path.join(self.data_dir, "lbry-web-ui")
self.git_version = None
self._api = None
self.root = None
if not os.path.isfile(os.path.join(self.config)):
self.loaded_git_version = None
else:
try:
f = open(self.config, "r")
loaded_ui = json.loads(f.read())
f.close()
self.loaded_git_version = loaded_ui['commit']
self.loaded_branch = loaded_ui['branch']
version_log.info("[" + str(datetime.now()) + "] Last used " + self.loaded_branch + " commit " + str(self.loaded_git_version).replace("\n", ""))
except:
self.loaded_git_version = None
self.loaded_branch = None
def setup(self, branch="HEAD", user_specified=None):
self.branch = branch
if user_specified:
if os.path.isdir(user_specified):
log.info("Using user specified UI directory: " + str(user_specified))
self.branch = "user-specified"
self.loaded_git_version = "user-specified"
self.ui_dir = user_specified
return defer.succeed("user-specified")
else:
log.info("User specified UI directory doesn't exist, using " + branch)
elif branch == "HEAD":
log.info("Using UI branch: " + branch)
self._gitcmd = "git ls-remote https://github.com/lbryio/lbry-web-ui.git | grep %s | cut -f 1" % branch
self._dist_url = "https://raw.githubusercontent.com/lbryio/lbry-web-ui/master/dist.zip"
else:
log.info("Using UI branch: " + branch)
self._gitcmd = "git ls-remote https://github.com/lbryio/lbry-web-ui.git | grep refs/heads/%s | cut -f 1" % branch
self._dist_url = "https://raw.githubusercontent.com/lbryio/lbry-web-ui/%s/dist.zip" % branch
d = self._up_to_date()
d.addCallback(lambda r: self._download_ui() if not r else self.branch)
return d
def _up_to_date(self):
def _get_git_info():
r = subprocess.check_output(self._gitcmd, shell=True)
return defer.succeed(r)
def _set_git(version):
self.git_version = version
version_log.info("[" + str(datetime.now()) + "] UI branch " + self.branch + " has a most recent commit of: " + str(self.git_version).replace("\n", ""))
if self.git_version == self.loaded_git_version and os.path.isdir(self.ui_dir):
version_log.info("[" + str(datetime.now()) + "] local copy of " + self.branch + " is up to date")
return defer.succeed(True)
else:
if self.git_version == self.loaded_git_version:
version_log.info("[" + str(datetime.now()) + "] Can't find ui files, downloading them again")
else:
version_log.info("[" + str(datetime.now()) + "] local copy of " + self.branch + " branch is out of date, updating")
f = open(self.config, "w")
f.write(json.dumps({'commit': self.git_version,
'time': str(datetime.now()),
'branch': self.branch}))
f.close()
return defer.succeed(False)
d = _get_git_info()
d.addCallback(_set_git)
return d
def _download_ui(self):
def _delete_ui_dir():
if os.path.isdir(self.ui_dir):
if self.loaded_git_version:
version_log.info("[" + str(datetime.now()) + "] Removed ui files for commit " + str(self.loaded_git_version).replace("\n", ""))
log.info("Removing out of date ui files")
shutil.rmtree(self.ui_dir)
return defer.succeed(None)
def _dl_ui():
url = urlopen(self._dist_url)
z = ZipFile(StringIO(url.read()))
names = [i for i in z.namelist() if '.DS_exStore' not in i and '__MACOSX' not in i]
z.extractall(self.ui_dir, members=names)
version_log.info("[" + str(datetime.now()) + "] Updated branch " + self.branch + ": " + str(self.loaded_git_version).replace("\n", "") + " --> " + self.git_version.replace("\n", ""))
log.info("Downloaded files for UI commit " + str(self.git_version).replace("\n", ""))
self.loaded_git_version = self.git_version
return self.branch
d = _delete_ui_dir()
d.addCallback(lambda _: _dl_ui())
return d
def _setup_server(self, ui_ver):
self._api = LBRYDaemon(ui_ver, wallet_type=DEFAULT_WALLET)
self.root = LBRYindex(self.ui_dir)
self.root.putChild("css", static.File(os.path.join(self.ui_dir, "css")))
self.root.putChild("font", static.File(os.path.join(self.ui_dir, "font")))
self.root.putChild("img", static.File(os.path.join(self.ui_dir, "img")))
self.root.putChild("js", static.File(os.path.join(self.ui_dir, "js")))
self.root.putChild("view", LBRYFileRender())
self.root.putChild("report", LBRYBugReport())
self.root.putChild(API_ADDRESS, self._api)
return defer.succeed(True)
def start(self, branch="HEAD", user_specified=False):
d = self.setup(branch=branch, user_specified=user_specified)
d.addCallback(lambda v: self._setup_server(v))
d.addCallback(lambda _: self._api.setup())
return d