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inspircd: rework modelist negotiation to support InspIRCd 3.0
This commit is contained in:
James Lu
parent
0fe8a8d51a
commit
4276607ee4
@ -1,5 +1,5 @@
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"""
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inspircd.py: InspIRCd 2.x protocol module for PyLink.
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inspircd.py: InspIRCd 2.0, 3.0 protocol module for PyLink.
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"""
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import time
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@ -40,10 +40,14 @@ class InspIRCdProtocol(TS6BaseProtocol):
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self.proto_ver = 1202
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elif ircd_target == 'insp3':
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self.proto_ver = 1205
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log.debug('(%s) inspircd: clearing cmodes, umodes defs %r %r', self.name, self.cmodes, self.umodes)
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else:
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raise ProtocolError("Unsupported target_version %r: supported values include %s" % (ircd_target, self.SUPPORTED_IRCDS))
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log.debug('(%s) inspircd: using protocol version %s for target_version %r', self.name, self.proto_ver, ircd_target)
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# Track prefix mode levels on InspIRCd 3
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self._prefix_levels = {}
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# Track the modules supported by the uplink.
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self._modsupport = set()
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@ -472,7 +476,14 @@ class InspIRCdProtocol(TS6BaseProtocol):
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self.name)
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log.debug("(%s) inspircd: got remote protocol version %s", self.name, protocol_version)
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if args[0] == 'CHANMODES':
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if protocol_version >= 1205:
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# Clear mode lists, they will be negotiated during burst
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self.cmodes = {'*A': '', '*B': '', '*C': '', '*D': ''}
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self.umodes = {'*A': '', '*B': '', '*C': '', '*D': ''}
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self.prefixmodes.clear()
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if args[0] in {'CHANMODES', 'USERMODES'}:
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# insp20:
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# <- CAPAB CHANMODES :admin=&a allowinvite=A autoop=w ban=b
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# banexception=e blockcolor=c c_registered=r exemptchanops=X
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# filter=g flood=f halfop=%h history=H invex=I inviteonly=i
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@ -481,23 +492,70 @@ class InspIRCdProtocol(TS6BaseProtocol):
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# official-join=!Y op=@o operonly=O opmoderated=U owner=~q
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# permanent=P private=p redirect=L reginvite=R regmoderated=M
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# secret=s sslonly=z stripcolor=S topiclock=t voice=+v
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# <- CAPAB USERMODES :bot=B callerid=g cloak=x deaf_commonchan=c
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# helpop=h hidechans=I hideoper=H invisible=i oper=o regdeaf=R
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# servprotect=k showwhois=W snomask=s u_registered=r u_stripcolor=S
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# wallops=w
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# insp3:
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# <- CAPAB CHANMODES :list:autoop=w list:ban=b list:banexception=e list:filter=g list:invex=I
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# list:namebase=Z param-set:anticaps=B param-set:flood=f param-set:joinflood=j param-set:kicknorejoin=J
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# param-set:limit=l param-set:nickflood=F param-set:redirect=L param:key=k prefix:10000:voice=+v
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# prefix:20000:halfop=%h prefix:30000:op=@o prefix:40000:admin=&a prefix:50000:founder=~q
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# prefix:9000000:official-join=!Y simple:allowinvite=A simple:auditorium=u simple:blockcolor=c
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# simple:c_registered=r simple:censor=G simple:inviteonly=i simple:moderated=m simple:noctcp=C
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# simple:noextmsg=n simple:nokick=Q simple:noknock=K simple:nonick=N simple:nonotice=T
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# simple:operonly=O simple:permanent=P simple:private=p simple:reginvite=R simple:regmoderated=M
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# simple:secret=s simple:sslonly=z simple:stripcolor=S simple:topiclock=t
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# <- CAPAB USERMODES :param-set:snomask=s simple:antiredirect=L simple:bot=B simple:callerid=g simple:cloak=x
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# simple:deaf_commonchan=c simple:helpop=h simple:hidechans=I simple:hideoper=H simple:invisible=i
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# simple:oper=o simple:regdeaf=R simple:u_censor=G simple:u_registered=r simple:u_stripcolor=S
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# simple:wallops=w
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mydict = self.cmodes if args[0] == 'CHANMODES' else self.umodes
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# Named modes are essential for a cross-protocol IRC service. We
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# can use InspIRCd as a model here and assign a similar mode map to
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# our cmodes list.
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for modepair in args[-1].split():
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name, char = modepair.split('=')
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name, char = modepair.rsplit('=', 1)
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# Strip c_ prefixes to be consistent with other protocols.
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if self.remote_proto_ver >= 1205:
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# Detect mode types from the mode type tag
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parts = name.split(':')
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modetype = parts[0]
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name = parts[-1]
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# Modes are divided into A, B, C, and D classes
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# See http://www.irc.org/tech_docs/005.html
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if modetype == 'simple': # No parameter
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mydict['*D'] += char
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elif modetype == 'param-set': # Only parameter when setting (e.g. cmode +l)
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mydict['*C'] += char
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elif modetype == 'param': # Always has parameter (e.g. cmode +k)
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mydict['*B'] += char
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elif modetype == 'list': # List modes like ban, except, invex, ...
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mydict['*A'] += char
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elif modetype == 'prefix': # prefix:30000:op=@o
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if args[0] != 'CHANMODES': # This should never happen...
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log.warning("(%s) Possible desync? Got a prefix type modepair %r but not for channel modes", self.name, modepair)
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else:
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# We don't do anything with prefix levels yet, let's just store them for future use
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self._prefix_levels[name] = int(parts[1])
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# Map mode names to their prefixes
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self.prefixmodes[char[-1]] = char[0]
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# Strip c_, u_ prefixes to be consistent with other protocols.
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name = name.lstrip('c_')
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name = name.lstrip('u_')
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if name == 'reginvite': # Reginvite? That's an odd name.
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name = 'regonly'
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if name == 'founder': # Channel mode +q
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# Founder, owner; same thing. m_customprefix allows you to
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# name it anything you like. The former is config default,
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# but I personally prefer the latter.
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# Founder, owner; same thing. m_customprefix allows you to name it anything you like,
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# but PyLink uses the latter in its definitions
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name = 'owner'
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if name in ('repeat', 'kicknorejoin'):
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@ -505,60 +563,40 @@ class InspIRCdProtocol(TS6BaseProtocol):
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# be safely relayed.
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name += '_insp'
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# We don't care about mode prefixes; just the mode char.
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self.cmodes[name] = char[-1]
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elif args[0] == 'USERMODES':
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# <- CAPAB USERMODES :bot=B callerid=g cloak=x deaf_commonchan=c
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# helpop=h hidechans=I hideoper=H invisible=i oper=o regdeaf=R
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# servprotect=k showwhois=W snomask=s u_registered=r u_stripcolor=S
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# wallops=w
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# Ditto above.
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for modepair in args[-1].split():
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name, char = modepair.split('=')
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# Strip u_ prefixes to be consistent with other protocols.
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name = name.lstrip('u_')
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self.umodes[name] = char
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# Add the mode char to our table
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mydict[name] = char[-1]
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elif args[0] == 'CAPABILITIES':
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# Insp 2
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# <- CAPAB CAPABILITIES :NICKMAX=21 CHANMAX=64 MAXMODES=20
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# IDENTMAX=11 MAXQUIT=255 MAXTOPIC=307 MAXKICK=255 MAXGECOS=128
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# MAXAWAY=200 IP6SUPPORT=1 PROTOCOL=1202 PREFIX=(Yqaohv)!~&@%+
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# CHANMODES=IXbegw,k,FHJLfjl,ACKMNOPQRSTUcimnprstz
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# USERMODES=,,s,BHIRSWcghikorwx GLOBOPS=1 SVSPART=1
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# Insp 3
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# CAPAB CAPABILITIES :NICKMAX=30 CHANMAX=64 MAXMODES=20 IDENTMAX=10 MAXQUIT=255 MAXTOPIC=307
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# MAXKICK=255 MAXREAL=128 MAXAWAY=200 MAXHOST=64 CHALLENGE=xxxxxxxxx CASEMAPPING=ascii GLOBOPS=1
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# First, turn the arguments into a dict
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caps = self.parse_isupport(args[-1])
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log.debug("(%s) capabilities list: %s", self.name, caps)
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# Check the protocol version
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self.remote_proto_ver = protocol_version = int(caps['PROTOCOL'])
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if protocol_version < self.MIN_PROTO_VER:
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raise ProtocolError("Remote protocol version is too old! "
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"At least %s (InspIRCd 2.0.x) is "
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"needed. (got %s)" % (self.min_proto_ver,
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protocol_version))
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elif protocol_version > self.MAX_PROTO_VER:
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log.warning("(%s) PyLink support for InspIRCd > 3.0 is experimental, "
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"and should not be relied upon for anything important.",
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self.name)
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# Store the max nick and channel lengths
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if 'NICKMAX' in caps:
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self.maxnicklen = int(caps['NICKMAX'])
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if 'CHANMAX' in caps:
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self.maxchanlen = int(caps['CHANMAX'])
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# Modes are divided into A, B, C, and D classes
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# See http://www.irc.org/tech_docs/005.html
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# FIXME: Find a neater way to assign/store this.
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# InspIRCd 2 only: mode & prefix definitions are sent as CAPAB CAPABILITIES CHANMODES/USERMODES/PREFIX
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if self.remote_proto_ver < 1205:
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if 'CHANMODES' in caps:
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self.cmodes['*A'], self.cmodes['*B'], self.cmodes['*C'], self.cmodes['*D'] \
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= caps['CHANMODES'].split(',')
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if 'USERMODES' in caps:
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self.umodes['*A'], self.umodes['*B'], self.umodes['*C'], self.umodes['*D'] \
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= caps['USERMODES'].split(',')
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if 'PREFIX' in caps:
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# Separate the prefixes field (e.g. "(Yqaohv)!~&@%+") into a
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# dict mapping mode characters to mode prefixes.
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self.prefixmodes = self.parse_isupport_prefixes(caps['PREFIX'])
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