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66 lines
2.2 KiB
Markdown
66 lines
2.2 KiB
Markdown
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# chirpstack-api
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ChirpStack gRPC API message and service wrappers for Javascript. Typescript definitions are included.
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## Install
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With npm:
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```sh
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npm install @chirpstack/chirpstack-api --save
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```
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Or with yarn:
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```sh
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yarn add @chirpstack/chirpstack-api
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```
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## Usage
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All messages, services, constants, etc. are auto-generated from the ChirpStack protobuf definitions. The result is that
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this package structure matches that of the protobuf definitions. There is no ES6 index gathering all of the exports, so
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full import/require paths should be used. The generated code is all callback based, but can be promisified.
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The protobuf definitions can be found here: https://github.com/brocaar/chirpstack-api/tree/master/protobuf
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The generated code all depends on the `grpc` package, and for most use cases you will probably need to make use of the
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`grpc` package directly as well. This is seen in the example below.
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### Example
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This example shows how to log in to ChirpStack via the gRPC API and then create a gRPC metadata object containing the
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JWT. This metadata could then be passed to any future requests that require authorization.
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```javascript
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import * as grpc from '@grpc/grpc-js';
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import * as internalService from '@chirpstack/chirpstack-api/as/external/api/internal_grpc_pb';
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import * as internalMessages from '@chirpstack/chirpstack-api/as/external/api/internal_pb';
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// Create the client for the 'internal' service
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const internalServiceClient = new internalService.InternalServiceClient(
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'localhost:8080',
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grpc.credentials.createInsecure()
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);
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// Create and build the login request message
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const loginRequest = new internalMessages.LoginRequest();
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loginRequest.setEmail('email');
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loginRequest.setPassword('password');
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// Send the login request
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internalServiceClient.login(loginRequest, (error, response) => {
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// Build a gRPC metadata object, setting the authorization key to the JWT we
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// got back from logging in.
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const metadata = new grpc.Metadata();
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metadata.set('authorization', response.getJwt());
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// This metadata can now be passed for requests to APIs that require authorization
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// e.g.
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// deviceServiceClient.create(createDeviceRequest, metadata, callback);
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});
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```
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