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index.js
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index.js
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const SignalingClient =
require("amazon-kinesis-video-streams-webrtc").SignalingClient;
const Role = require("amazon-kinesis-video-streams-webrtc").Role;
const AWS = require("aws-sdk");
var express = require("express");
var cors = require("cors");
var app = express();
app.use(cors());
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
const accessKeyId = "AKIASE47AYPKFPAJJLHA";
const secretAccessKey = "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";
const region = "ca-central-1";
// const response = {
// ChannelName: "test123",
// ChannelARN: channelARN,
// ChannelType: "SINGLE_MASTER",
// ChannelStatus: "ACTIVE",
// CreationTime: "September 27, 2023 10:25:03 AM",
// SingleMasterConfiguration: {
// MessageTtlSeconds: 60,
// },
// Version: version,
// ResourceEndpointList: [
// {
// Protocol: "HTTPS",
// ResourceEndpoint: "",
// },
// {
// Protocol: "WSS",
// ResourceEndpoint: "",
// },
// ],
// IceServerList: [
// {
// Uris: [],
// Username: "",
// Password: "",
// Ttl: 300,
// },
// {
// Uris: [],
// Username: "",
// Password: "",
// Ttl: 300,
// },
// ],
// PresignedWss: "",
// status_code: 200,
// };
app.get('/',async (req,res) =>{
res.send('Kinesis Server')
})
app.post("/school-streaming/school/:school_id/start", async (req, res) => {
try {
let response={}
const school_id = req.params.school_id;
const channelInfo = await createSignalingChannel(`school-${school_id}`);
if(channelInfo?.error) res.json({success:false,message:channelInfo.error})
console.log("master calling...");
response = {...channelInfo,
ResourceEndpointList: [
{
Protocol: "HTTPS",
ResourceEndpoint: "",
},
{
Protocol: "WSS",
ResourceEndpoint: "",
},
],
}
const kinesisVideoClient = new AWS.KinesisVideo({
region,
accessKeyId,
secretAccessKey,
correctClockSkew: true,
});
const getSignalingChannelEndpointResponse = await kinesisVideoClient
.getSignalingChannelEndpoint({
ChannelARN: channelInfo.ChannelARN,
SingleMasterChannelEndpointConfiguration: {
Protocols: ["WSS", "HTTPS"],
Role: Role.MASTER,
},
})
.promise();
const endpointsByProtocol =
getSignalingChannelEndpointResponse.ResourceEndpointList.reduce(
(endpoints, endpoint) => {
endpoints[endpoint.Protocol] = endpoint.ResourceEndpoint;
return endpoints;
},
{}
);
response.ResourceEndpointList[0].ResourceEndpoint =
endpointsByProtocol.HTTPS;
response.ResourceEndpointList[1].ResourceEndpoint = endpointsByProtocol.WSS;
const kinesisVideoSignalingChannelsClient =
new AWS.KinesisVideoSignalingChannels({
region,
accessKeyId,
secretAccessKey,
endpoint: endpointsByProtocol.HTTPS,
correctClockSkew: true,
});
const getIceServerConfigResponse = await kinesisVideoSignalingChannelsClient
.getIceServerConfig({
ChannelARN: channelInfo.ChannelARN,
})
.promise();
const iceServers = [
{ urls: `stun:stun.kinesisvideo.${region}.amazonaws.com:443` },
];
getIceServerConfigResponse.IceServerList.forEach((iceServer) =>
iceServers.push({
urls: iceServer.Uris,
username: iceServer.Username,
credential: iceServer.Password,
})
);
response.IceServerList = iceServers;
res.json({
...response,
});
} catch (error) {
console.log({error})
res.json({
success: false,
message: error,
});
}
});
app.post("/school-streaming/school/:school_id/view", async (req, res) => {
try {
let response={}
const school_id = req.params.school_id;
const channelInfo = await createSignalingChannel(`school-${school_id}`);
if(channelInfo?.error) res.json({success:false,message:channelInfo.error})
console.log("viewer calling...");
response = {...channelInfo,
ResourceEndpointList: [
{
Protocol: "HTTPS",
ResourceEndpoint: "",
},
{
Protocol: "WSS",
ResourceEndpoint: "",
},
],
}
const kinesisVideoClient = new AWS.KinesisVideo({
region,
accessKeyId,
secretAccessKey,
correctClockSkew: true,
});
const getSignalingChannelEndpointResponse = await kinesisVideoClient
.getSignalingChannelEndpoint({
ChannelARN: channelInfo.ChannelARN,
SingleMasterChannelEndpointConfiguration: {
Protocols: ["WSS", "HTTPS"],
Role: Role.VIEWER,
},
})
.promise();
const endpointsByProtocol =
getSignalingChannelEndpointResponse.ResourceEndpointList.reduce(
(endpoints, endpoint) => {
endpoints[endpoint.Protocol] = endpoint.ResourceEndpoint;
return endpoints;
},
{}
);
response.ResourceEndpointList[0].ResourceEndpoint =
endpointsByProtocol.HTTPS;
response.ResourceEndpointList[1].ResourceEndpoint = endpointsByProtocol.WSS;
const kinesisVideoSignalingChannelsClient =
new AWS.KinesisVideoSignalingChannels({
region,
accessKeyId,
secretAccessKey,
endpoint: endpointsByProtocol.HTTPS,
correctClockSkew: true,
});
const getIceServerConfigResponse = await kinesisVideoSignalingChannelsClient
.getIceServerConfig({
ChannelARN: channelInfo.ChannelARN,
})
.promise();
const iceServers = [
{ urls: `stun:stun.kinesisvideo.${region}.amazonaws.com:443` },
];
getIceServerConfigResponse.IceServerList.forEach((iceServer) =>
iceServers.push({
urls: iceServer.Uris,
username: iceServer.Username,
credential: iceServer.Password,
})
);
response.IceServerList = iceServers;
res.json({
...response,
});
} catch (error) {
console.log({error})
res.json({
success: false,
message: error,
});
}
});
// app.post("/school-streaming/school/:school_id/view", async (req, res) => {
// try {
// console.log("view calling...");
// const school_id = req.params.school_id;
// const kinesisVideoClient = new AWS.KinesisVideo({
// region,
// accessKeyId,
// secretAccessKey,
// correctClockSkew: true,
// });
// const getSignalingChannelEndpointResponse = await kinesisVideoClient
// .getSignalingChannelEndpoint({
// ChannelARN: channelARN,
// SingleMasterChannelEndpointConfiguration: {
// Protocols: ["WSS", "HTTPS"],
// Role: Role.VIEWER,
// },
// })
// .promise();
// const endpointsByProtocol =
// getSignalingChannelEndpointResponse.ResourceEndpointList.reduce(
// (endpoints, endpoint) => {
// endpoints[endpoint.Protocol] = endpoint.ResourceEndpoint;
// return endpoints;
// },
// {}
// );
// response.ResourceEndpointList[0].ResourceEndpoint =
// endpointsByProtocol.HTTPS;
// response.ResourceEndpointList[1].ResourceEndpoint = endpointsByProtocol.WSS;
// const kinesisVideoSignalingChannelsClient =
// new AWS.KinesisVideoSignalingChannels({
// region,
// accessKeyId,
// secretAccessKey,
// endpoint: endpointsByProtocol.HTTPS,
// correctClockSkew: true,
// });
// const getIceServerConfigResponse = await kinesisVideoSignalingChannelsClient
// .getIceServerConfig({
// ChannelARN: channelARN,
// })
// .promise();
// const iceServers = [
// { urls: `stun:stun.kinesisvideo.${region}.amazonaws.com:443` },
// ];
// getIceServerConfigResponse.IceServerList.forEach((iceServer) =>
// iceServers.push({
// urls: iceServer.Uris,
// username: iceServer.Username,
// credential: iceServer.Password,
// })
// );
// response.IceServerList = iceServers;
// // console.log({iceServers})
// res.json({
// ...response,
// });
// } catch (error) {
// res.json({
// success: false,
// message: error,
// });
// }
// });
app.listen(4444, () => {
console.log("server listen at port 4444");
});
// Create singalingChanel
/**
* This file demonstrates the process of creating a KVS Signaling Channel.
*/
async function createSignalingChannel(channelName) {
try {
console.log(
"[CREATE_SIGNALING_CHANNEL] Attempting to create signaling channel with name ",
channelName
);
// Create KVS client
const kinesisVideoClient = new AWS.KinesisVideo({
region: region,
accessKeyId: accessKeyId,
secretAccessKey: secretAccessKey,
});
const describeSignalingChannelResponse = await kinesisVideoClient
.describeSignalingChannel({
ChannelName: channelName,
})
.promise();
console.log({ describeSignalingChannelResponse });
if (describeSignalingChannelResponse?.ChannelInfo) {
return describeSignalingChannelResponse.ChannelInfo;
} else {
await kinesisVideoClient
.createSignalingChannel({
ChannelName: channelName,
})
.promise();
// Get signaling channel ARN
const getSignalingChannel = await kinesisVideoClient
.describeSignalingChannel({
ChannelName: channelName,
})
.promise();
return getSignalingChannel.ChannelInfo;
}
} catch (e) {
console.error("[CREATE_SIGNALING_CHANNEL] Encountered error:", e);
return e
}
}