From 3f522d4d2316559d0179a98ad7e57cc25bec6708 Mon Sep 17 00:00:00 2001 From: Sarah Jamie Lewis Date: Mon, 28 Sep 2020 15:07:22 -0700 Subject: [PATCH] Remove any dependence on protobufs of libricochet --- app/plugins/networkCheck.go | 27 +++++++++++++++++++-- event/eventmanager.go | 20 +++++++++++++--- go.mod | 11 +-------- go.sum | 47 +++++++------------------------------ model/profile.go | 7 ++++-- 5 files changed, 56 insertions(+), 56 deletions(-) diff --git a/app/plugins/networkCheck.go b/app/plugins/networkCheck.go index 8b52ab6..e4599bb 100644 --- a/app/plugins/networkCheck.go +++ b/app/plugins/networkCheck.go @@ -3,8 +3,8 @@ package plugins import ( "cwtch.im/cwtch/event" "cwtch.im/cwtch/protocol/connections" + "fmt" "git.openprivacy.ca/openprivacy/connectivity" - "git.openprivacy.ca/openprivacy/libricochet-go/policies" "git.openprivacy.ca/openprivacy/log" "sync" "time" @@ -102,7 +102,7 @@ func (nc *networkCheck) Shutdown() { func (nc *networkCheck) checkConnection(onion string) { // we want to definitively time these actions out faster than tor will, because these onions should definitely be // online - ClientTimeout := policies.TimeoutPolicy(time.Second * 60) + ClientTimeout := TimeoutPolicy(time.Second * 60) err := ClientTimeout.ExecuteAction(func() error { conn, _, err := nc.acn.Open(onion) if err == nil { @@ -123,3 +123,26 @@ func (nc *networkCheck) checkConnection(onion string) { nc.offline = true } } + +// TODO we might want to reuse this, but for now it is only used by this plugin so it can live here + +// TimeoutPolicy is an interface for enforcing common timeout patterns +type TimeoutPolicy time.Duration + +// ExecuteAction runs a function and returns an error if it hasn't returned +// by the time specified by TimeoutPolicy +func (tp *TimeoutPolicy) ExecuteAction(action func() error) error { + + c := make(chan error) + go func() { + c <- action() + }() + + tick := time.Tick(time.Duration(*tp)) + select { + case <-tick: + return fmt.Errorf("ActionTimedOutError") + case err := <-c: + return err + } +} diff --git a/event/eventmanager.go b/event/eventmanager.go index f4305ba..3ce621e 100644 --- a/event/eventmanager.go +++ b/event/eventmanager.go @@ -1,7 +1,9 @@ package event import ( - "git.openprivacy.ca/openprivacy/libricochet-go/utils" + "crypto/rand" + "math" + "math/big" "sync" ) @@ -12,9 +14,21 @@ type Event struct { Data map[Field]string } +// GetRandNumber is a helper function which returns a random integer, this is +// currently mostly used to generate messageids +func GetRandNumber() *big.Int { + num, err := rand.Int(rand.Reader, big.NewInt(math.MaxUint32)) + // If we can't generate random numbers then panicking is probably + // the best option. + if err != nil { + panic(err.Error()) + } + return num +} + // NewEvent creates a new event object with a unique ID and the given type and data. func NewEvent(eventType Type, data map[Field]string) Event { - return Event{EventType: eventType, EventID: utils.GetRandNumber().String(), Data: data} + return Event{EventType: eventType, EventID: GetRandNumber().String(), Data: data} } // NewEventList creates a new event object with a unique ID and the given type and data supplied in a list format and composed into a map of Type:string @@ -27,7 +41,7 @@ func NewEventList(eventType Type, args ...interface{}) Event { data[key] = val } } - return Event{EventType: eventType, EventID: utils.GetRandNumber().String(), Data: data} + return Event{EventType: eventType, EventID: GetRandNumber().String(), Data: data} } // Manager is an Event Bus which allows subsystems to subscribe to certain EventTypes and publish others. diff --git a/go.mod b/go.mod index b4e27c1..4129905 100644 --- a/go.mod +++ b/go.mod @@ -5,21 +5,12 @@ go 1.14 require ( cwtch.im/tapir v0.2.0 git.openprivacy.ca/openprivacy/connectivity v1.2.1 - git.openprivacy.ca/openprivacy/libricochet-go v1.0.13 git.openprivacy.ca/openprivacy/log v1.0.1 - github.com/c-bata/go-prompt v0.2.3 // indirect - github.com/golang/protobuf v1.3.5 // indirect - github.com/google/go-cmp v0.4.0 // indirect github.com/gtank/ristretto255 v0.1.2 - github.com/mattn/go-colorable v0.1.7 // indirect - github.com/mattn/go-runewidth v0.0.9 // indirect - github.com/mattn/go-tty v0.0.3 // indirect - github.com/pkg/term v0.0.0-20190109203006-aa71e9d9e942 // indirect + github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect github.com/struCoder/pidusage v0.1.3 golang.org/x/crypto v0.0.0-20200420104511-884d27f42877 - golang.org/x/lint v0.0.0-20200302205851-738671d3881b // indirect golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e golang.org/x/sys v0.0.0-20200331124033-c3d80250170d // indirect - google.golang.org/genproto v0.0.0-20180831171423-11092d34479b // indirect gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect ) diff --git a/go.sum b/go.sum index 9911d1b..e11d8b9 100644 --- a/go.sum +++ b/go.sum @@ -1,33 +1,19 @@ -cwtch.im v0.3.16 h1:uXJO1tUlKVDVQ/0wa4n8C8fzcW2Kol8IYg+tsNFmZOU= -cwtch.im/tapir v0.1.18 h1:Fs/jL9ZRyel/A1D/BYzIPEVQau8y5BJg44yA+GQDbSM= -cwtch.im/tapir v0.1.18/go.mod h1:/IrAI6CBHfgzsfgRT8WHVb1P9fCCz7+45hfsdkKn8Zg= cwtch.im/tapir v0.2.0 h1:7MkoR5+uEuPW34/O0GZRidnIjq/01Cfm8nl5IRuqpGc= cwtch.im/tapir v0.2.0/go.mod h1:xzzZ28adyUXNkYL1YodcHsAiTt3IJ8Loc29YVn9mIEQ= -git.openprivacy.ca/openprivacy/connectivity v1.1.0/go.mod h1:4P8mirZZslKbo2zBrXXVjgEdqGwHo/6qoFBwFQW6d6E= -git.openprivacy.ca/openprivacy/connectivity v1.1.1 h1:hKxBOmxP7Jdu3K1BJ93mRtKNiWUoP6YHt/o2snE2Z0w= -git.openprivacy.ca/openprivacy/connectivity v1.1.1/go.mod h1:4P8mirZZslKbo2zBrXXVjgEdqGwHo/6qoFBwFQW6d6E= -git.openprivacy.ca/openprivacy/connectivity v1.1.2 h1:Bk8ul3+4/awpQGvskfLpp7/K3Lj8OAxBwlmQqeZy3Ok= -git.openprivacy.ca/openprivacy/connectivity v1.1.2/go.mod h1:4P8mirZZslKbo2zBrXXVjgEdqGwHo/6qoFBwFQW6d6E= git.openprivacy.ca/openprivacy/connectivity v1.2.0 h1:dbZ5CRl11vg3BNHdzRKSlDP8OUtDB+mf6FkxMVf73qw= git.openprivacy.ca/openprivacy/connectivity v1.2.0/go.mod h1:B7vzuVmChJtSKoh0ezph5vu6DQ0gIk0zHUNG6IgXCcA= git.openprivacy.ca/openprivacy/connectivity v1.2.1 h1:oRL56TR9ZQnKkGkTIQ9wYbJ2IkOOsi/zLYExYiAS+sE= git.openprivacy.ca/openprivacy/connectivity v1.2.1/go.mod h1:B7vzuVmChJtSKoh0ezph5vu6DQ0gIk0zHUNG6IgXCcA= -git.openprivacy.ca/openprivacy/libricochet-go v1.0.13 h1:Z86uL9K47onznY1wP1P/wWfWMbbyvk6xnCp94R180os= -git.openprivacy.ca/openprivacy/libricochet-go v1.0.13/go.mod h1:ZUuX1SOrgV4K18IEcp0hQJNPKszRr2oGb3UeK2iYe5U= git.openprivacy.ca/openprivacy/log v1.0.0 h1:Rvqm1weUdR4AOnJ79b1upHCc9vC/QF1rhSD2Um7sr1Y= git.openprivacy.ca/openprivacy/log v1.0.0/go.mod h1:gGYK8xHtndRLDymFtmjkG26GaMQNgyhioNS82m812Iw= git.openprivacy.ca/openprivacy/log v1.0.1 h1:NWV5oBTatvlSzUE6wtB+UQCulgyMOtm4BXGd34evMys= git.openprivacy.ca/openprivacy/log v1.0.1/go.mod h1:gGYK8xHtndRLDymFtmjkG26GaMQNgyhioNS82m812Iw= -github.com/c-bata/go-prompt v0.2.3 h1:jjCS+QhG/sULBhAaBdjb2PlMRVaKXQgn+4yzaauvs2s= -github.com/c-bata/go-prompt v0.2.3/go.mod h1:VzqtzE2ksDBcdln8G7mk2RX9QyGjH+OVqOCSiVIqS34= github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= github.com/cretz/bine v0.1.1-0.20200124154328-f9f678b84cca h1:Q2r7AxHdJwWfLtBZwvW621M3sPqxPc6ITv2j1FGsYpw= github.com/cretz/bine v0.1.1-0.20200124154328-f9f678b84cca/go.mod h1:6PF6fWAvYtwjRGkAuDEJeWNOv3a2hUouSP/yRYXmvHw= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= -github.com/golang/protobuf v1.3.5 h1:F768QJ1E9tib+q5Sc8MkdJi1RxLTbRcTf8LJV56aRls= -github.com/golang/protobuf v1.3.5/go.mod h1:6O5/vntMXwX2lRkT1hjjk0nAC1IDOTvTlVgjlRvqsdk= -github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= github.com/gordonklaus/ineffassign v0.0.0-20200309095847-7953dde2c7bf/go.mod h1:cuNKsD1zp2v6XfE/orVX2QE1LC+i254ceGcVeDT3pTU= github.com/gtank/merlin v0.1.1 h1:eQ90iG7K9pOhtereWsmyRJ6RAwcP4tHTDBHXNg+u5is= github.com/gtank/merlin v0.1.1/go.mod h1:T86dnYJhcGOh5BjZFCJWTDeTK7XW8uE+E21Cy/bIQ+s= @@ -35,28 +21,17 @@ github.com/gtank/ristretto255 v0.1.2 h1:JEqUCPA1NvLq5DwYtuzigd7ss8fwbYay9fi4/5uM github.com/gtank/ristretto255 v0.1.2/go.mod h1:Ph5OpO6c7xKUGROZfWVLiJf9icMDwUeIvY4OmlYW69o= github.com/kr/pretty v0.2.0/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI= github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= +github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE= github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= -github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE= -github.com/mattn/go-colorable v0.1.6 h1:6Su7aK7lXmJ/U79bYtBjLNaha4Fs1Rg9plHpcH+vvnE= -github.com/mattn/go-colorable v0.1.6/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc= -github.com/mattn/go-colorable v0.1.7 h1:bQGKb3vps/j0E9GfJQ03JyhRuxsvdAanXlT9BTw3mdw= -github.com/mattn/go-colorable v0.1.7/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc= -github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s= -github.com/mattn/go-isatty v0.0.10/go.mod h1:qgIWMr58cqv1PHHyhnkY9lrL7etaEgOFcMEpPG5Rm84= -github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY= -github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU= -github.com/mattn/go-runewidth v0.0.6/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI= -github.com/mattn/go-runewidth v0.0.9 h1:Lm995f3rfxdpd6TSmuVCHVb/QhupuXlYr8sCI/QdE+0= -github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI= -github.com/mattn/go-tty v0.0.3 h1:5OfyWorkyO7xP52Mq7tB36ajHDG5OHrmBGIS/DtakQI= -github.com/mattn/go-tty v0.0.3/go.mod h1:ihxohKRERHTVzN+aSVRwACLCeqIoZAWpoICkkvrWyR0= github.com/mimoo/StrobeGo v0.0.0-20181016162300-f8f6d4d2b643 h1:hLDRPB66XQT/8+wG9WsDpiCvZf1yKO7sz7scAjSlBa0= github.com/mimoo/StrobeGo v0.0.0-20181016162300-f8f6d4d2b643/go.mod h1:43+3pMjjKimDBf5Kr4ZFNGbLql1zKkbImw+fZbw3geM= -github.com/pkg/term v0.0.0-20190109203006-aa71e9d9e942 h1:A7GG7zcGjl3jqAqGPmcNjd/D9hzL95SuoOQAaFNdLU0= -github.com/pkg/term v0.0.0-20190109203006-aa71e9d9e942/go.mod h1:eCbImbZ95eXtAUIbLAuAVnBnwf83mjf6QIVH8SHYwqQ= +github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs= +github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno= +github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= +github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk= github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4= github.com/struCoder/pidusage v0.1.3 h1:pZcSa6asBE38TJtW0Nui6GeCjLTpaT/jAnNP7dUTLSQ= github.com/struCoder/pidusage v0.1.3/go.mod h1:pWBlW3YuSwRl6h7R5KbvA4N8oOqe9LjaKW5CwT1SPjI= @@ -74,34 +49,28 @@ golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzB golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= -golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e h1:3G+cUijn7XD+S4eJFddp53Pv7+slrESplyjG25HgL+k= golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= -golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200331124033-c3d80250170d h1:nc5K6ox/4lTFbMVSL9WRR81ixkcwXThoiF6yf+R9scA= golang.org/x/sys v0.0.0-20200331124033-c3d80250170d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= -golang.org/x/tools v0.0.0-20200420001825-978e26b7c37c/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= golang.org/x/tools v0.0.0-20200625195345-7480c7b4547d/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= -google.golang.org/genproto v0.0.0-20180831171423-11092d34479b/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU= gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10= gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= diff --git a/model/profile.go b/model/profile.go index 8113812..85099c3 100644 --- a/model/profile.go +++ b/model/profile.go @@ -8,7 +8,6 @@ import ( "encoding/json" "errors" "git.openprivacy.ca/openprivacy/connectivity/tor" - "git.openprivacy.ca/openprivacy/libricochet-go/utils" "golang.org/x/crypto/ed25519" "io" "path/filepath" @@ -415,7 +414,11 @@ func (p *Profile) AttemptDecryption(ciphertext []byte, signature []byte) (bool, func getRandomness(arr *[]byte) { if _, err := io.ReadFull(rand.Reader, (*arr)[:]); err != nil { - utils.CheckError(err) + if err != nil { + // If we can't do randomness, just crash something is very very wrong and we are not going + // to resolve it here.... + panic(err.Error()) + } } }