def _run_work(self):
while not self.isfini:
self._pool_avail += 1
work = self.workq.get()
self._pool_avail -= 1
if work is None:
return
self.fire('pool:work:init', work=work)
task, info = work
jid = info.get('jid')
try:
func, args, kwargs = task
ret = func(*args, **kwargs)
# optionally generate a job event
if jid is not None:
self.fire('job:done', jid=jid, ret=ret)
except Exception as e:
if jid is not None:
self.fire('job:done', jid=jid, **s_common.excinfo(e))
self.fire('pool:work:fini', work=work)
def _onTeleOnMesg(self, sock, mesg):
try:
# set the socket tx method as the callback
jid = mesg[1].get('jid')
ons = mesg[1].get('ons')
name = mesg[1].get('name')
item = self.shared.get(name)
if item is None:
raise s_common.NoSuchObj(name=name)
user = sock.get('syn:user')
func = getattr(item, 'on', None)
if func is None:
return sock.tx(s_common.tufo('job:done', jid=jid, ret=False))
self._reqUserAllowed(user, 'tele:call', name, 'on')
for evnt, ontups in ons: # (<evnt>, ( (<iden>,<filt>), ... ))
onhelp, new = self._getOnHelp(name, evnt)
if new:
func(evnt, onhelp.dist)
for iden, filt in ontups:
onhelp.addOnInst(sock, iden, filt)
return sock.tx(s_common.tufo('job:done', jid=jid, ret=True))
except Exception as e:
sock.tx(s_common.tufo('job:done', jid=jid, **s_common.excinfo(e)))
def _onTeleOffMesg(self, sock, mesg):
# set the socket tx method as the callback
try:
jid = mesg[1].get('jid')
evnt = mesg[1].get('evnt')
name = mesg[1].get('name')
iden = mesg[1].get('iden')
item = self.shared.get(name)
if item is None:
raise s_common.NoSuchObj(name=name)
onhelp, new = self._getOnHelp(name, evnt)
onhelp.delOnInst(sock, iden)
return sock.tx(s_common.tufo('job:done', jid=jid, ret=True))
except Exception as e:
errinfo = s_common.excinfo(e)
sock.tx(
s_common.tufo('job:done',
jid=jid,
err=errinfo.get('err'),
errinfo=errinfo))
def _runTeleCall(self, mesg):
jid = mesg[1].get('jid')
name = mesg[1].get('name')
task = mesg[1].get('task')
suid = mesg[1].get('suid')
retinfo = dict(suid=suid, jid=jid)
try:
item = self._tele_pushed.get(name)
if item is None:
return self._txTeleSock('tele:retn',
err='NoSuchObj',
errmsg=name,
**retinfo)
meth, args, kwargs = task
func = getattr(item, meth, None)
if func is None:
return self._txTeleSock('tele:retn',
err='NoSuchMeth',
errmsg=meth,
**retinfo)
self._txTeleSock('tele:retn', ret=func(*args, **kwargs), **retinfo)
except Exception as e:
retinfo.update(s_common.excinfo(e))
return self._txTeleSock('tele:retn', **retinfo)
async def send(self,
host,
port=25,
user=None,
passwd=None,
usetls=False,
starttls=False,
timeout=60):
self.runt.confirm(('storm', 'inet', 'smtp', 'send'))
try:
if self.bodytext is None and self.bodyhtml is None:
mesg = 'The storm:smtp:message has no HTML or text body.'
raise s_exc.StormRuntimeError(mesg=mesg)
host = await s_stormtypes.tostr(host)
port = await s_stormtypes.toint(port)
usetls = await s_stormtypes.tobool(usetls)
starttls = await s_stormtypes.tobool(starttls)
timeout = await s_stormtypes.toint(timeout)
user = await s_stormtypes.tostr(user, noneok=True)
passwd = await s_stormtypes.tostr(passwd, noneok=True)
message = MIMEMultipart('alternative')
if self.bodytext is not None:
message.attach(MIMEText(self.bodytext, 'plain', 'utf-8'))
if self.bodyhtml is not None:
message.attach(MIMEText(self.bodyhtml, 'html', 'utf-8'))
for name, valu in self.headers.items():
message[await s_stormtypes.tostr(
name)] = await s_stormtypes.tostr(valu)
recipients = [await s_stormtypes.tostr(e) for e in self.recipients]
futu = aiosmtplib.send(message,
port=port,
hostname=host,
sender=self.sender,
recipients=recipients,
use_tls=usetls,
start_tls=starttls,
username=user,
password=passwd)
await asyncio.wait_for(futu, timeout=timeout)
except asyncio.CancelledError: # pragma: no cover
raise
except Exception as e:
return (False, s_common.excinfo(e))
return (True, {})
def _runOperFuncs(self, query, opers):
'''
Run the given oper funcs within the query.
'''
try:
[self._runOperFunc(query, oper) for oper in opers]
except Exception as e:
query.clear()
query.log(excinfo=s_common.excinfo(e))
def __exit__(self, exc, cls, tb):
info = {
'sub': self.query.subed,
'add': self.query.added,
'took': s_common.now() - self.stime
}
if exc is not None:
info['excinfo'] = s_common.excinfo(exc)
self.query.clear()
self.query.log(**info)
def exc(self, exc, **info):
'''
Implements the exception log convention for EventBus.
A caller is expected to be within the except frame.
Args:
exc (Exception): The exception to log
Returns:
None
'''
info.update(s_common.excinfo(exc))
self.log(logging.ERROR, str(exc), **info)
def _task_run(self):
func, args, kwargs = self._call
try:
valu = func(*args, **kwargs)
if isinstance(valu, types.GeneratorType):
for v in valu:
self.retn(v)
else:
self.retn(valu)
except Exception as e:
self.err(s_common.excinfo(e))
def _runJob(self, job):
'''
Actually execute the given job with the caller thread.
'''
task = job[1].get('task')
if task is None:
# TODO This attribute is not set, a bad tufo
# sent to _runJob will have unexpected behavior.
self.setJobErr(job[0], 'NoJobTask')
return
try:
func, args, kwargs = task
ret = func(*args, **kwargs)
self.fire('job:done', jid=job[0], ret=ret)
except Exception as e:
self.fire('job:done', jid=job[0], **s_common.excinfo(e))
def subtask(job):
jid = job[0]
slot = job[1].get('slot')
meld = job[1].get('meld')
if meld is not None:
s_mindmeld.loadMindMeld(meld)
hive = slot[1].get('hive')
queen = s_telepath.openurl(job[1].get('queen'))
s_scope.set('syn.queen', queen)
try:
dyntask = job[1].get('dyntask')
ret = s_dyndeps.runDynTask(dyntask)
queen.tell(hive, 'job:done', jid=jid, ret=ret)
except Exception as e:
queen.tell(hive, 'job:done', jid=jid, **s_common.excinfo(e))
async def wget(self,
url,
params=None,
headers=None,
json=None,
body=None,
method='GET',
ssl=True,
timeout=None):
'''
Stream a file download directly into the Axon.
Args:
url (str): The URL to retrieve.
params (dict): Additional parameters to add to the URL.
headers (dict): Additional HTTP headers to add in the request.
json: A JSON body which is included with the request.
body: The body to be included in the request.
method (str): The HTTP method to use.
ssl (bool): Perform SSL verification.
timeout (int): The timeout of the request, in seconds.
Notes:
The response body will be stored, regardless of the response code. The ``ok`` value in the reponse does not
reflect that a status code, such as a 404, was encountered when retrieving the URL.
The dictionary returned by this may contain the following values::
{
'ok': <boolean> - False if there were exceptions retrieving the URL.
'url': <str> - The URL retrieved (which could have been redirected)
'code': <int> - The response code.
'mesg': <str> - An error message if there was an exception when retrieving the URL.
'headers': <dict> - The response headers as a dictionary.
'size': <int> - The size in bytes of the response body.
'hashes': {
'md5': <str> - The MD5 hash of the response body.
'sha1': <str> - The SHA1 hash of the response body.
'sha256': <str> - The SHA256 hash of the response body.
'sha512': <str> - The SHA512 hash of the response body.
}
}
Returns:
dict: An information dictionary containing the results of the request.
'''
logger.debug(f'Wget called for [{url}].',
extra=await
self.getLogExtra(url=s_urlhelp.sanitizeUrl(url)))
proxyurl = self.conf.get('http:proxy')
cadir = self.conf.get('tls:ca:dir')
connector = None
if proxyurl is not None:
connector = aiohttp_socks.ProxyConnector.from_url(proxyurl)
atimeout = aiohttp.ClientTimeout(total=timeout)
if ssl is False:
pass
elif cadir:
ssl = s_common.getSslCtx(cadir)
else:
# default aiohttp behavior
ssl = None
async with aiohttp.ClientSession(connector=connector,
timeout=atimeout) as sess:
try:
async with sess.request(method,
url,
headers=headers,
params=params,
json=json,
data=body,
ssl=ssl) as resp:
info = {
'ok': True,
'url': str(resp.url),
'code': resp.status,
'headers': dict(resp.headers),
}
hashset = s_hashset.HashSet()
async with await self.upload() as upload:
async for byts in resp.content.iter_chunked(
CHUNK_SIZE):
await upload.write(byts)
hashset.update(byts)
size, _ = await upload.save()
info['size'] = size
info['hashes'] = dict([(n, s_common.ehex(h))
for (n, h) in hashset.digests()])
return info
except asyncio.CancelledError:
raise
except Exception as e:
logger.exception(
f'Failed to wget {s_urlhelp.sanitizeUrl(url)}')
exc = s_common.excinfo(e)
mesg = exc.get('errmsg')
if not mesg:
mesg = exc.get('err')
return {
'ok': False,
'mesg': mesg,
}
async def wput(self,
sha256,
url,
params=None,
headers=None,
method='PUT',
ssl=True,
timeout=None,
filename=None,
filemime=None):
'''
Stream a blob from the axon as the body of an HTTP request.
'''
proxyurl = self.conf.get('http:proxy')
cadir = self.conf.get('tls:ca:dir')
connector = None
if proxyurl is not None:
connector = aiohttp_socks.ProxyConnector.from_url(proxyurl)
if ssl is False:
pass
elif cadir:
ssl = s_common.getSslCtx(cadir)
else:
# default aiohttp behavior
ssl = None
atimeout = aiohttp.ClientTimeout(total=timeout)
async with aiohttp.ClientSession(connector=connector,
timeout=atimeout) as sess:
try:
async with sess.request(method,
url,
headers=headers,
params=params,
data=self.get(sha256),
ssl=ssl) as resp:
info = {
'ok': True,
'url': str(resp.url),
'code': resp.status,
'headers': dict(resp.headers),
}
return info
except asyncio.CancelledError: # pramga: no cover
raise
except Exception as e:
logger.exception(
f'Error streaming [{sha256}] to [{s_urlhelp.sanitizeUrl(url)}]'
)
exc = s_common.excinfo(e)
mesg = exc.get('errmsg')
if not mesg:
mesg = exc.get('err')
return {
'ok': False,
'mesg': mesg,
}
async def postfiles(self,
fields,
url,
params=None,
headers=None,
method='POST',
ssl=True,
timeout=None):
'''
Send files from the axon as fields in a multipart/form-data HTTP request.
Args:
fields (list): List of dicts containing the fields to add to the request as form-data.
url (str): The URL to retrieve.
params (dict): Additional parameters to add to the URL.
headers (dict): Additional HTTP headers to add in the request.
method (str): The HTTP method to use.
ssl (bool): Perform SSL verification.
timeout (int): The timeout of the request, in seconds.
Notes:
The dictionaries in the fields list may contain the following values::
{
'name': <str> - Name of the field.
'sha256': <str> - SHA256 hash of the file to submit for this field.
'value': <str> - Value for the field. Ignored if a sha256 has been specified.
'filename': <str> - Optional filename for the field.
'content_type': <str> - Optional content type for the field.
'content_transfer_encoding': <str> - Optional content-transfer-encoding header for the field.
}
The dictionary returned by this may contain the following values::
{
'ok': <boolean> - False if there were exceptions retrieving the URL.
'err': <str> - An error message if there was an exception when retrieving the URL.
'url': <str> - The URL retrieved (which could have been redirected)
'code': <int> - The response code.
'body': <bytes> - The response body.
'headers': <dict> - The response headers as a dictionary.
}
Returns:
dict: An information dictionary containing the results of the request.
'''
proxyurl = self.conf.get('http:proxy')
cadir = self.conf.get('tls:ca:dir')
connector = None
if proxyurl is not None:
connector = aiohttp_socks.ProxyConnector.from_url(proxyurl)
if ssl is False:
pass
elif cadir:
ssl = s_common.getSslCtx(cadir)
else:
# default aiohttp behavior
ssl = None
atimeout = aiohttp.ClientTimeout(total=timeout)
async with aiohttp.ClientSession(connector=connector,
timeout=atimeout) as sess:
try:
data = aiohttp.FormData()
data._is_multipart = True
for field in fields:
sha256 = field.get('sha256')
if sha256:
valu = self.get(s_common.uhex(sha256))
else:
valu = field.get('value')
data.add_field(field.get('name'),
valu,
content_type=field.get('content_type'),
filename=field.get('filename'),
content_transfer_encoding=field.get(
'content_transfer_encoding'))
async with sess.request(method,
url,
headers=headers,
params=params,
data=data,
ssl=ssl) as resp:
info = {
'ok': True,
'url': str(resp.url),
'code': resp.status,
'body': await resp.read(),
'headers': dict(resp.headers),
}
return info
except asyncio.CancelledError: # pramga: no cover
raise
except Exception as e:
logger.exception(
f'Error POSTing files to [{s_urlhelp.sanitizeUrl(url)}]')
exc = s_common.excinfo(e)
mesg = exc.get('errmsg')
if not mesg:
mesg = exc.get('err')
return {
'ok': False,
'err': mesg,
'url': url,
'body': b'',
'code': -1,
'headers': dict(),
}
def _onTeleCallMesg(self, sock, mesg):
# tele:call - call a method on a shared object
jid = mesg[1].get('jid')
sid = mesg[1].get('sid')
# check if the socket knows about their auth
# ( most likely via SSL client cert )
user = sock.get('syn:user')
with s_scope.enter({
'dmon': self,
'sock': sock,
'syn:user': user,
'syn:auth': self.auth
}):
try:
name = mesg[1].get('name')
item = self.shared.get(name)
if item is None:
# is it a pushed object?
pushsock = self.pushed.get(name)
if pushsock is not None:
# pass along how to reply
mesg[1]['suid'] = sock.iden
return pushsock.tx(mesg)
raise s_common.NoSuchObj(name)
task = mesg[1].get('task')
meth, args, kwargs = task
self._reqUserAllowed(user, 'tele:call', name, meth)
func = getattr(item, meth, None)
if func is None:
raise s_common.NoSuchMeth(meth)
if getattr(func, '_tele_clientside', False):
name = s_reflect.getMethName(func)
raise s_common.TeleClientSide(name=name)
ret = func(*args, **kwargs)
# handle generator returns specially
if isinstance(ret, types.GeneratorType):
iden = s_common.guid()
txwait = threading.Event()
# start off set...
txwait.set()
self._dmon_yields.add(iden)
sock.tx(
s_common.tufo('tele:yield:init', jid=jid, iden=iden))
# FIXME opt
maxsize = 100000000
def ontxsize(m):
size = m[1].get('size')
if size >= maxsize:
txwait.clear()
else:
txwait.set()
try:
sock.onfini(txwait.set)
sock.on('sock:tx:size', ontxsize)
for item in ret:
txwait.wait()
# check if we woke due to fini
if sock.isfini:
break
sock.tx(
s_common.tufo('tele:yield:item',
iden=iden,
item=item))
if iden not in self._dmon_yields:
break
finally:
sock.off('sock:tx:size', ontxsize)
self._dmon_yields.discard(iden)
sock.tx(s_common.tufo('tele:yield:fini', iden=iden))
return
sock.tx(s_common.tufo('job:done', jid=jid, ret=ret))
except Exception as e:
sock.tx(
s_common.tufo('job:done', jid=jid, **s_common.excinfo(e)))
async def _destIterLyrNodeedits(self, writer, queue, lyriden):
'''
Batch available source splices in a queue as nodeedits and push to the destination layer proxy.
Nodeedit boundaries are defined by the ndef and prov iden.
Will run as long as queue is not fini'd.
Args:
writer (function): Async function that takes (nodeedits, meta) as input
queue (s_queue.Window): Layer queue for splices
lyriden (str): Layer iden
'''
fair_iter = self.push_fair_iter
offs_logging = self.offs_logging
err_lim = self.err_lim
evnt = self._push_evnts[lyriden]
ndef = None
prov = None
nodesplices = []
nodespliceoffs = []
cnt = 0
errs = 0
async for offs, splice in queue:
evnt.clear()
queuelen = len(queue.linklist)
next_ndef = splice[1]['ndef']
next_prov = splice[1].get('prov')
# current splice is a new node or has new prov iden or the queue is empty
# so create prior node nodeedit and push to destination layer
if ndef is not None and (next_ndef != ndef or
(prov is not None and next_prov != prov)
or queuelen == 0):
err, ne, meta = None, None, None
try:
err, ne, meta = await self._trnNodeSplicesToNodeedit(
ndef, nodesplices)
if err is None:
await writer([ne], meta)
self.push_offs.set(lyriden, offs + 1)
except asyncio.CancelledError: # pragma: no cover
raise
except (ConnectionError, s_exc.IsFini):
# put back last and nodesplices
queue.linklist.appendleft((offs, splice))
qadd = zip(reversed(nodespliceoffs), reversed(nodesplices))
queue.linklist.extendleft(qadd)
raise
except Exception as e:
err = {
'mesg': s_common.excinfo(e),
'splices': nodesplices,
'nodeedits': ne,
'meta': meta
}
logger.exception(err['mesg'])
if err is not None:
errs += 1
await self._setLyrErr(lyriden, offs, err)
if err_lim != -1 and errs >= err_lim:
logger.error(f'Error limit reached')
raise SyncErrLimReached(
mesg=
'Error limit reached - correct or increase err_lim to continue'
)
nodesplices = []
nodespliceoffs = []
ndef = next_ndef
prov = next_prov
nodesplices.append(splice)
nodespliceoffs.append(offs)
cnt += 1
if queuelen != 0 and queuelen % 10000 == 0: # pragma: no cover
logger.debug(
f'{lyriden} queue reader status: read={cnt}, errs={errs}, size={queuelen}'
)
if offs % offs_logging == 0 and offs != 0: # pragma: no cover
logger.info(
f'Destination layer splice push at offset {offs} with {errs} errors'
)
if queuelen == 0:
evnt.set()
await asyncio.sleep(0)
elif cnt % fair_iter == 0:
await asyncio.sleep(0)
async def wget(self,
url,
params=None,
headers=None,
json=None,
body=None,
method='GET',
ssl=True,
timeout=None):
'''
Stream a file download directly into the axon.
'''
connector = None
proxyurl = self.conf.get('http:proxy')
if proxyurl is not None:
connector = aiohttp_socks.ProxyConnector.from_url(proxyurl)
atimeout = aiohttp.ClientTimeout(total=timeout)
async with aiohttp.ClientSession(connector=connector,
timeout=atimeout) as sess:
try:
async with sess.request(method,
url,
headers=headers,
params=params,
json=json,
data=body,
ssl=ssl) as resp:
info = {
'ok': True,
'url': str(resp.url),
'code': resp.status,
'headers': dict(resp.headers),
}
hashset = s_hashset.HashSet()
async with await self.upload() as upload:
async for byts in resp.content.iter_chunked(
CHUNK_SIZE):
await upload.write(byts)
hashset.update(byts)
size, _ = await upload.save()
info['size'] = size
info['hashes'] = dict([(n, s_common.ehex(h))
for (n, h) in hashset.digests()])
return info
except asyncio.CancelledError:
raise
except Exception as e:
exc = s_common.excinfo(e)
mesg = exc.get('errmsg')
if not mesg:
mesg = exc.get('err')
return {
'ok': False,
'mesg': mesg,
}
