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✨ (core): Implement Open Application command
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--- | ||
"@ledgerhq/device-sdk-core": minor | ||
--- | ||
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Implement Open Application command. |
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import { ApduResponse } from "@api/device-session/ApduResponse"; | ||
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import { OpenAppCommand } from "./OpenAppCommand"; | ||
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describe("OpenAppCommand", () => { | ||
let openAppCommand: OpenAppCommand; | ||
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beforeEach(() => { | ||
openAppCommand = new OpenAppCommand(); | ||
}); | ||
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it("should return the correct APDU for opening an application", () => { | ||
const appName = "MyApp"; | ||
const expectedApdu = Uint8Array.from([ | ||
0xe0, 0xd8, 0x00, 0x00, 0x05, 0x4d, 0x79, 0x41, 0x70, 0x70, | ||
]); | ||
const apdu = openAppCommand.getApdu(appName); | ||
expect(apdu.getRawApdu()).toStrictEqual(expectedApdu); | ||
}); | ||
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it("should not throw error when command is successful", () => { | ||
const apduResponse: ApduResponse = new ApduResponse({ | ||
statusCode: new Uint8Array([0x90, 0x00]), | ||
data: new Uint8Array([]), | ||
}); | ||
expect(() => openAppCommand.parseResponse(apduResponse)).not.toThrow(); | ||
}); | ||
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it("should throw error when command is unsuccessful", () => { | ||
const apduResponse: ApduResponse = new ApduResponse({ | ||
statusCode: new Uint8Array([0x6a, 0x81]), | ||
data: new Uint8Array([]), | ||
}); | ||
expect(() => openAppCommand.parseResponse(apduResponse)).toThrow(); | ||
}); | ||
}); |
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import { Apdu } from "@api/apdu/model/Apdu"; | ||
import { ApduBuilder, ApduBuilderArgs } from "@api/apdu/utils/ApduBuilder"; | ||
import { ApduParser } from "@api/apdu/utils/ApduParser"; | ||
import { Command } from "@api/command/Command"; | ||
import { InvalidStatusWordError } from "@api/command/Errors"; | ||
import { CommandUtils } from "@api/command/utils/CommandUtils"; | ||
import { ApduResponse } from "@api/device-session/ApduResponse"; | ||
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/** | ||
* The command to open an application on the device. | ||
*/ | ||
export class OpenAppCommand implements Command<void, string> { | ||
getApdu(appName: string): Apdu { | ||
const openAppApduArgs: ApduBuilderArgs = { | ||
cla: 0xe0, | ||
ins: 0xd8, | ||
p1: 0x00, | ||
p2: 0x00, | ||
} as const; | ||
return new ApduBuilder(openAppApduArgs) | ||
.addAsciiStringToData(appName) | ||
.build(); | ||
} | ||
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parseResponse(apduResponse: ApduResponse): void { | ||
const parser = new ApduParser(apduResponse); | ||
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if (!CommandUtils.isSuccessResponse(apduResponse)) { | ||
throw new InvalidStatusWordError( | ||
`Unexpected status word: ${parser.encodeToHexaString( | ||
apduResponse.statusCode, | ||
)}`, | ||
); | ||
} | ||
} | ||
} |