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Support dropping connections to prevent port scans.
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@dennwc
dennwc committed Feb 12, 2024
1 parent 9636fb5 commit 7910aeb
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Showing 8 changed files with 168 additions and 76 deletions.
3 changes: 1 addition & 2 deletions cmd/livekit-sip/main.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -89,8 +89,7 @@ func runService(c *cli.Context) error {
}

svc := service.NewService(conf, sipsrv.InternalServerImpl(), sipsrv.Stop, sipsrv.ActiveCalls, psrpcClient, bus)
sipsrv.SetAuthHandler(svc.HandleTrunkAuthentication)
sipsrv.SetDispatchRuleHandlerFunc(svc.HandleDispatchRules)
sipsrv.SetHandler(svc)

if err = sipsrv.Start(); err != nil {
return err
Expand Down
12 changes: 6 additions & 6 deletions go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -9,19 +9,19 @@ require (
github.com/icholy/digest v0.1.22
github.com/livekit/mageutil v0.0.0-20230125210925-54e8a70427c1
github.com/livekit/mediatransportutil v0.0.0-20231213075826-cccbf2b93d3f
github.com/livekit/protocol v1.9.8
github.com/livekit/protocol v1.9.9
github.com/livekit/psrpc v0.5.3-0.20240129223932-473b29cda289
github.com/livekit/server-sdk-go v1.1.7
github.com/pion/interceptor v0.1.25
github.com/pion/rtp v1.8.3
github.com/pion/sdp/v2 v2.4.0
github.com/pion/webrtc/v3 v3.2.24
github.com/pion/webrtc/v3 v3.2.26
github.com/prometheus/client_golang v1.18.0
github.com/rs/zerolog v1.28.0
github.com/sirupsen/logrus v1.8.1
github.com/stretchr/testify v1.8.4
github.com/urfave/cli/v2 v2.25.7
golang.org/x/exp v0.0.0-20240119083558-1b970713d09a
golang.org/x/exp v0.0.0-20240205201215-2c58cdc269a3
gopkg.in/hraban/opus.v2 v2.0.0-20230925203106-0188a62cb302
gopkg.in/yaml.v3 v3.0.1
)
Expand Down Expand Up @@ -59,9 +59,9 @@ require (
github.com/nats-io/nuid v1.0.1 // indirect
github.com/pion/datachannel v1.5.5 // indirect
github.com/pion/dtls/v2 v2.2.9 // indirect
github.com/pion/ice/v2 v2.3.11 // indirect
github.com/pion/ice/v2 v2.3.13 // indirect
github.com/pion/logging v0.2.2 // indirect
github.com/pion/mdns v0.0.9 // indirect
github.com/pion/mdns v0.0.12 // indirect
github.com/pion/randutil v0.1.0 // indirect
github.com/pion/rtcp v1.2.13 // indirect
github.com/pion/sctp v1.8.9 // indirect
Expand All @@ -86,7 +86,7 @@ require (
go.uber.org/multierr v1.11.0 // indirect
go.uber.org/zap v1.26.0 // indirect
golang.org/x/crypto v0.18.0 // indirect
golang.org/x/mod v0.14.0 // indirect
golang.org/x/mod v0.15.0 // indirect
golang.org/x/net v0.20.0 // indirect
golang.org/x/sync v0.6.0 // indirect
golang.org/x/sys v0.16.0 // indirect
Expand Down
35 changes: 13 additions & 22 deletions go.sum
View file
Original file line number Diff line number Diff line change
Expand Up @@ -91,8 +91,8 @@ github.com/livekit/mageutil v0.0.0-20230125210925-54e8a70427c1 h1:jm09419p0lqTkD
github.com/livekit/mageutil v0.0.0-20230125210925-54e8a70427c1/go.mod h1:Rs3MhFwutWhGwmY1VQsygw28z5bWcnEYmS1OG9OxjOQ=
github.com/livekit/mediatransportutil v0.0.0-20231213075826-cccbf2b93d3f h1:XHrwGwLNGQB3ZqolH1YdMH/22hgXKr4vm+2M7JKMMGg=
github.com/livekit/mediatransportutil v0.0.0-20231213075826-cccbf2b93d3f/go.mod h1:GBzn9xL+mivI1pW+tyExcKgbc0VOc29I9yJsNcAVaAc=
github.com/livekit/protocol v1.9.8 h1:CyK+oQ2TgSkRGgkJfDlJd5FRP42cahEFCOyxg2Sa/ts=
github.com/livekit/protocol v1.9.8/go.mod h1:lSJlMeTJfQBEv8/D2p3zdCo+i+jTmTtn24ysL4ePK28=
github.com/livekit/protocol v1.9.9 h1:VNfeJeoVhHrU6fiHqKJyIISFKSLMWYldCDVuHYZwgyk=
github.com/livekit/protocol v1.9.9/go.mod h1:j5ctajx0GDRA1GugIsDBGyMGMXhMP6rCNl+43mR+5h8=
github.com/livekit/psrpc v0.5.3-0.20240129223932-473b29cda289 h1:oTgNH7v9TXsBgoltKk5mnWjv4qqcPF2iV+WtEVQ6ROM=
github.com/livekit/psrpc v0.5.3-0.20240129223932-473b29cda289/go.mod h1:cQjxg1oCxYHhxxv6KJH1gSvdtCHQoRZCHgPdm5N8v2g=
github.com/livekit/server-sdk-go v1.1.7 h1:fuNQgCpul4O32nJXRgeRRSSWuesubVfeOzzZ47ji2E8=
Expand Down Expand Up @@ -129,15 +129,14 @@ github.com/pion/datachannel v1.5.5/go.mod h1:iMz+lECmfdCMqFRhXhcA/219B0SQlbpoR2V
github.com/pion/dtls/v2 v2.2.7/go.mod h1:8WiMkebSHFD0T+dIU+UeBaoV7kDhOW5oDCzZ7WZ/F9s=
github.com/pion/dtls/v2 v2.2.9 h1:K+D/aVf9/REahQvqk6G5JavdrD8W1PWDKC11UlwN7ts=
github.com/pion/dtls/v2 v2.2.9/go.mod h1:8WiMkebSHFD0T+dIU+UeBaoV7kDhOW5oDCzZ7WZ/F9s=
github.com/pion/ice/v2 v2.3.11 h1:rZjVmUwyT55cmN8ySMpL7rsS8KYsJERsrxJLLxpKhdw=
github.com/pion/ice/v2 v2.3.11/go.mod h1:hPcLC3kxMa+JGRzMHqQzjoSj3xtE9F+eoncmXLlCL4E=
github.com/pion/ice/v2 v2.3.13 h1:xOxP+4V9nSDlUaGFRf/LvAuGHDXRcjIdsbbXPK/w7c8=
github.com/pion/ice/v2 v2.3.13/go.mod h1:KXJJcZK7E8WzrBEYnV4UtqEZsGeWfHxsNqhVcVvgjxw=
github.com/pion/interceptor v0.1.25 h1:pwY9r7P6ToQ3+IF0bajN0xmk/fNw/suTgaTdlwTDmhc=
github.com/pion/interceptor v0.1.25/go.mod h1:wkbPYAak5zKsfpVDYMtEfWEy8D4zL+rpxCxPImLOg3Y=
github.com/pion/logging v0.2.2 h1:M9+AIj/+pxNsDfAT64+MAVgJO0rsyLnoJKCqf//DoeY=
github.com/pion/logging v0.2.2/go.mod h1:k0/tDVsRCX2Mb2ZEmTqNa7CWsQPc+YYCB7Q+5pahoms=
github.com/pion/mdns v0.0.8/go.mod h1:hYE72WX8WDveIhg7fmXgMKivD3Puklk0Ymzog0lSyaI=
github.com/pion/mdns v0.0.9 h1:7Ue5KZsqq8EuqStnpPWV33vYYEH0+skdDN5L7EiEsI4=
github.com/pion/mdns v0.0.9/go.mod h1:2JA5exfxwzXiCihmxpTKgFUpiQws2MnipoPK09vecIc=
github.com/pion/mdns v0.0.12 h1:CiMYlY+O0azojWDmxdNr7ADGrnZ+V6Ilfner+6mSVK8=
github.com/pion/mdns v0.0.12/go.mod h1:VExJjv8to/6Wqm1FXK+Ii/Z9tsVk/F5sD/N70cnYFbk=
github.com/pion/randutil v0.1.0 h1:CFG1UdESneORglEsnimhUjf33Rwjubwj6xfiOXBa3mA=
github.com/pion/randutil v0.1.0/go.mod h1:XcJrSMMbbMRhASFVOlj/5hQial/Y8oH/HVo7TBZq+j8=
github.com/pion/rtcp v1.2.10/go.mod h1:ztfEwXZNLGyF1oQDttz/ZKIBaeeg/oWbRYqzBM9TL1I=
Expand Down Expand Up @@ -170,8 +169,8 @@ github.com/pion/transport/v3 v3.0.1 h1:gDTlPJwROfSfz6QfSi0ZmeCSkFcnWWiiR9ES0ouAN
github.com/pion/transport/v3 v3.0.1/go.mod h1:UY7kiITrlMv7/IKgd5eTUcaahZx5oUN3l9SzK5f5xE0=
github.com/pion/turn/v2 v2.1.3 h1:pYxTVWG2gpC97opdRc5IGsQ1lJ9O/IlNhkzj7MMrGAA=
github.com/pion/turn/v2 v2.1.3/go.mod h1:huEpByKKHix2/b9kmTAM3YoX6MKP+/D//0ClgUYR2fY=
github.com/pion/webrtc/v3 v3.2.24 h1:MiFL5DMo2bDaaIFWr0DDpwiV/L4EGbLZb+xoRvfEo1Y=
github.com/pion/webrtc/v3 v3.2.24/go.mod h1:1CaT2fcZzZ6VZA+O1i9yK2DU4EOcXVvSbWG9pr5jefs=
github.com/pion/webrtc/v3 v3.2.26 h1:Lj1ygouOokm9nJ/O7xl4y+IOOu5IjU4NNaoafSz6+mA=
github.com/pion/webrtc/v3 v3.2.26/go.mod h1:wTDNUio622Yfyoj7lzRuIPclJKZn0dU0i2RUPfG6Jfk=
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
Expand Down Expand Up @@ -241,19 +240,17 @@ golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8U
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/crypto v0.8.0/go.mod h1:mRqEX+O9/h5TFCrQhkgjo2yKi0yYA+9ecGkdQoHrywE=
golang.org/x/crypto v0.10.0/go.mod h1:o4eNf7Ede1fv+hwOwZsTHl9EsPFO6q6ZvYR8vYfY45I=
golang.org/x/crypto v0.11.0/go.mod h1:xgJhtzW8F9jGdVFWZESrid1U1bjeNy4zgy5cRr/CIio=
golang.org/x/crypto v0.12.0/go.mod h1:NF0Gs7EO5K4qLn+Ylc+fih8BSTeIjAP05siRnAh98yw=
golang.org/x/crypto v0.13.0/go.mod h1:y6Z2r+Rw4iayiXXAIxJIDAJ1zMW4yaTpebo8fPOliYc=
golang.org/x/crypto v0.18.0 h1:PGVlW0xEltQnzFZ55hkuX5+KLyrMYhHld1YHO4AKcdc=
golang.org/x/crypto v0.18.0/go.mod h1:R0j02AL6hcrfOiy9T4ZYp/rcWeMxM3L6QYxlOuEG1mg=
golang.org/x/exp v0.0.0-20240119083558-1b970713d09a h1:Q8/wZp0KX97QFTc2ywcOE0YRjZPVIx+MXInMzdvQqcA=
golang.org/x/exp v0.0.0-20240119083558-1b970713d09a/go.mod h1:idGWGoKP1toJGkd5/ig9ZLuPcZBC3ewk7SzmH0uou08=
golang.org/x/exp v0.0.0-20240205201215-2c58cdc269a3 h1:/RIbNt/Zr7rVhIkQhooTxCxFcdWLGIKnZA4IXNFSrvo=
golang.org/x/exp v0.0.0-20240205201215-2c58cdc269a3/go.mod h1:idGWGoKP1toJGkd5/ig9ZLuPcZBC3ewk7SzmH0uou08=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
golang.org/x/mod v0.14.0 h1:dGoOF9QVLYng8IHTm7BAyWqCqSheQ5pYWGhzW00YJr0=
golang.org/x/mod v0.14.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
golang.org/x/mod v0.15.0 h1:SernR4v+D55NyBH2QiEQrlBAnj1ECL6AGrA5+dPaMY8=
golang.org/x/mod v0.15.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
Expand All @@ -267,10 +264,8 @@ golang.org/x/net v0.1.0/go.mod h1:Cx3nUiGt4eDBEyega/BKRp+/AlGL8hYe7U9odMt2Cco=
golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
golang.org/x/net v0.9.0/go.mod h1:d48xBJpPfHeWQsugry2m+kC02ZBRGRgulfHnEXEuWns=
golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
golang.org/x/net v0.11.0/go.mod h1:2L/ixqYpgIVXmeoSA/4Lu7BzTG4KIyPIryS4IsOd1oQ=
golang.org/x/net v0.13.0/go.mod h1:zEVYFnQC7m/vmpQFELhcD1EWkZlX69l4oqgmer6hfKA=
golang.org/x/net v0.14.0/go.mod h1:PpSgVXXLK0OxS0F31C1/tv6XNguvCrnXIDrFMspZIUI=
golang.org/x/net v0.15.0/go.mod h1:idbUs1IY1+zTqbi8yxTbhexhEEk5ur9LInksu6HrEpk=
golang.org/x/net v0.20.0 h1:aCL9BSgETF1k+blQaYUBx9hJ9LOGP3gAVemcZlf1Kpo=
golang.org/x/net v0.20.0/go.mod h1:z8BVo6PvndSri0LbOE3hAn0apkU+1YvI6E70E9jsnvY=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
Expand Down Expand Up @@ -307,7 +302,6 @@ golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.9.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
Expand All @@ -316,21 +310,18 @@ golang.org/x/term v0.1.0/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
golang.org/x/term v0.7.0/go.mod h1:P32HKFT3hSsZrRxla30E9HqToFYAQPCMs/zFMBUFqPY=
golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
golang.org/x/term v0.9.0/go.mod h1:M6DEAAIenWoTxdKrOltXcmDY3rSplQUkrvaDU5FcQyo=
golang.org/x/term v0.10.0/go.mod h1:lpqdcUyK/oCiQxvxVrppt5ggO2KCZ5QblwqPnfZ6d5o=
golang.org/x/term v0.11.0/go.mod h1:zC9APTIj3jG3FdV/Ons+XE1riIZXG4aZ4GTHiPZJPIU=
golang.org/x/term v0.12.0/go.mod h1:owVbMEjm3cBLCHdkQu9b1opXd4ETQWc3BhuQGKgXgvU=
golang.org/x/term v0.16.0/go.mod h1:yn7UURbUtPyrVJPGPq404EukNFxcm/foM+bV/bfcDsY=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
golang.org/x/text v0.10.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
golang.org/x/text v0.11.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
golang.org/x/text v0.12.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
Expand Down
57 changes: 43 additions & 14 deletions pkg/service/service.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@ import (
"github.com/prometheus/client_golang/prometheus/promhttp"

"github.com/livekit/sip/pkg/config"
"github.com/livekit/sip/pkg/sip"
"github.com/livekit/sip/version"
)

Expand Down Expand Up @@ -131,37 +132,65 @@ func (s *Service) Run() error {
}
}

func (s *Service) HandleTrunkAuthentication(from, to, toHost, srcAddress string) (username, password string, err error) {
resp, err := s.psrpcClient.GetSIPTrunkAuthentication(context.TODO(), &rpc.GetSIPTrunkAuthenticationRequest{
func (s *Service) GetAuthCredentials(ctx context.Context, from, to, toHost, srcAddress string) (username, password string, drop bool, err error) {
resp, err := s.psrpcClient.GetSIPTrunkAuthentication(ctx, &rpc.GetSIPTrunkAuthenticationRequest{
From: from,
To: to,
ToHost: toHost,
SrcAddress: srcAddress,
})

if err != nil {
return "", "", err
return "", "", false, err
}

return resp.Username, resp.Password, nil
return resp.Username, resp.Password, resp.Drop, nil
}

func (s *Service) HandleDispatchRules(ctx context.Context, callingNumber, calledNumber, calledHost, srcAddress string, pin string, noPin bool) (joinRoom, identity, wsUrl, token string, requestPin, rejectInvite bool) {
func (s *Service) DispatchCall(ctx context.Context, info *sip.CallInfo) sip.CallDispatch {
resp, err := s.psrpcClient.EvaluateSIPDispatchRules(ctx, &rpc.EvaluateSIPDispatchRulesRequest{
CallingNumber: callingNumber,
CalledNumber: calledNumber,
CalledHost: calledHost,
SrcAddress: srcAddress,
Pin: pin,
NoPin: noPin,
CallingNumber: info.FromUser,
CalledNumber: info.ToUser,
CalledHost: info.ToHost,
SrcAddress: info.SrcAddress,
Pin: info.Pin,
NoPin: info.NoPin,
})

if err != nil {
logger.Warnw("SIP handle dispatch rule error", err)
return "", "", "", "", false, true
return sip.CallDispatch{Result: sip.DispatchNoRuleReject}
}
switch resp.Result {
default:
logger.Errorw("SIP handle dispatch rule error", fmt.Errorf("unexpected dispatch result: %v", resp.Result))
return sip.CallDispatch{Result: sip.DispatchNoRuleReject}
case rpc.SIPDispatchResult_LEGACY_ACCEPT_OR_PIN:
if resp.RequestPin {
return sip.CallDispatch{Result: sip.DispatchRequestPin}
}
return sip.CallDispatch{
Result: sip.DispatchAccept,
RoomName: resp.RoomName,
Identity: resp.ParticipantIdentity,
WsUrl: resp.WsUrl,
Token: resp.Token,
}
case rpc.SIPDispatchResult_ACCEPT:
return sip.CallDispatch{
Result: sip.DispatchAccept,
RoomName: resp.RoomName,
Identity: resp.ParticipantIdentity,
WsUrl: resp.WsUrl,
Token: resp.Token,
}
case rpc.SIPDispatchResult_REQUEST_PIN:
return sip.CallDispatch{Result: sip.DispatchRequestPin}
case rpc.SIPDispatchResult_REJECT:
return sip.CallDispatch{Result: sip.DispatchNoRuleReject}
case rpc.SIPDispatchResult_DROP:
return sip.CallDispatch{Result: sip.DispatchNoRuleDrop}
}

return resp.RoomName, resp.ParticipantIdentity, resp.WsUrl, resp.Token, resp.RequestPin, false
}

func (s *Service) CanAccept() bool {
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