package Ġnet . cord a . services . messaging Ċ Ċ import Ġnet . cord a . node . services . messaging . Art emis Messaging Component . Companion . NODE _ USER Ċ import Ġnet . cord a . node . services . messaging . Art emis Messaging Component . Companion . PEER _ USER Ċ import Ġnet . cord a . node . services . messaging . Art emis Messaging Component . Companion . RPC _ REQUEST S _ QUEUE Ċ import Ġnet . cord a . testing . messaging . Simple MQ Client Ċ import Ġorg . apache . activ emq . art emis . api . config . Active MQ Default Configuration Ċ import Ġorg . apache . activ emq . art emis . api . core . Active MQ Cluster Security Exception Ċ import Ġorg . apache . activ emq . art emis . api . core . Active MQ Security Exception Ċ import Ġorg . assertj . core . api . Assertions . assertThat Exception OfType Ċ import Ġorg . junit . Test Ċ Ċ /** Ċ Ġ* ĠRuns Ġthe Ġsecurity Ġtests Ġwith Ġthe Ġattacker Ġpret ending Ġto Ġbe Ġa Ġnode Ġon Ġthe Ġnetwork . Ċ Ġ*/ Ċ class ĠP 2 P Security Test Ġ: ĠMQ Security Test () Ġ{ ĊĊĠĠĠ Ġoverride Ġfun Ġstart Attack er ( attack er : ĠSimple MQ Client ) Ġ{ ĊĠĠĠĠĠĠĠ Ġattacker . start ( PEER _ USER , ĠPE ER _ USER ) Ġ Ġ// ĠLogin Ġas Ġa Ġpeer ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġ@ Test ĊĠĠĠ Ġfun Ġ` send Ġmessage Ġto ĠRPC Ġrequests Ġaddress `() Ġ{ ĊĠĠĠĠĠĠĠ Ġassert Send Attack Fails ( RPC _ REQUEST S _ QUEUE ) ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġ@ Test ĊĠĠĠ Ġfun Ġ` only Ġthe Ġnode Ġrunning Ġthe Ġbroker Ġcan Ġlogin Ġusing Ġthe Ġspecial Ġnode Ġuser `() Ġ{ ĊĠĠĠĠĠĠĠ Ġval Ġattacker Ġ= ĠSimple MQ Client ( alice . configuration . art emis Address ) ĊĠĠĠĠĠĠĠ ĠassertThat Exception OfType ( Active MQ Security Exception :: class . java ). is Thrown By Ġ{ ĊĠĠĠĠĠĠĠĠĠĠĠ Ġattacker . start ( NODE _ USER , ĠNODE _ USER ) ĊĠĠĠĠĠĠĠ Ġ} ĊĠĠĠĠĠĠĠ Ġattacker . stop () ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġ@ Test ĊĠĠĠ Ġfun Ġ` login Ġas Ġthe Ġdefault Ġcluster Ġuser `() Ġ{ ĊĠĠĠĠĠĠĠ Ġval Ġattacker Ġ= ĠSimple MQ Client ( alice . configuration . art emis Address ) ĊĠĠĠĠĠĠĠ ĠassertThat Exception OfType ( Active MQ Cluster Security Exception :: class . java ). is Thrown By Ġ{ ĊĠĠĠĠĠĠĠĠĠĠĠ Ġattacker . start ( Active MQ Default Configuration . getDefault Cluster User (), ĠActive MQ Default Configuration . getDefault Cluster Password ()) ĊĠĠĠĠĠĠĠ Ġ} ĊĠĠĠĠĠĠĠ Ġattacker . stop () ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġ@ Test ĊĠĠĠ Ġfun Ġ` login Ġwithout Ġa Ġusername Ġand Ġpassword `() Ġ{ ĊĠĠĠĠĠĠĠ Ġval Ġattacker Ġ= ĠSimple MQ Client ( alice . configuration . art emis Address ) ĊĠĠĠĠĠĠĠ ĠassertThat Exception OfType ( Active MQ Security Exception :: class . java ). is Thrown By Ġ{ ĊĠĠĠĠĠĠĠĠĠĠĠ Ġattacker . start () ĊĠĠĠĠĠĠĠ Ġ} ĊĠĠĠĠĠĠĠ Ġattacker . stop () ĊĠĠĠ Ġ} Ċ }