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more robust message parsing

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ennmichael 2023-02-28 21:58:59 +01:00
parent 6565aa6fa0
commit a513408866
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1 changed files with 7 additions and 12 deletions
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15
packages/nostr/src/client/conn.ts
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@ -178,10 +178,10 @@ async function parseIncomingMessage(data: string): Promise<IncomingMessage> {
if (!(json instanceof Array)) {
throw new ProtocolError(`incoming message is not an array: ${data}`)
}
if (json.length === 3) {
if (json[0] !== "EVENT") {
throw new ProtocolError(`expected "EVENT" message, but got: ${data}`)
if (json.length === 0) {
throw new ProtocolError(`incoming message is an empty array: ${data}`)
}
if (json[0] === "EVENT") {
if (typeof json[1] !== "string") {
throw new ProtocolError(
`second element of "EVENT" should be a string, but wasn't: ${data}`
@ -199,10 +199,8 @@ async function parseIncomingMessage(data: string): Promise<IncomingMessage> {
signed: await SignedEvent.verify(raw),
raw,
}
} else if (json.length === 2) {
if (json[0] !== "NOTICE") {
throw new ProtocolError(`expected "NOTICE" message, but got: ${data}`)
}
if (json[0] === "NOTICE") {
if (typeof json[1] !== "string") {
throw new ProtocolError(
`second element of "NOTICE" should be a string, but wasn't: ${data}`
@ -212,11 +210,8 @@ async function parseIncomingMessage(data: string): Promise<IncomingMessage> {
kind: IncomingKind.Notice,
notice: json[1],
}
} else {
throw new ProtocolError(
`incoming message has unexpected number of elements: ${data}`
)
}
throw new ProtocolError(`unknown incoming message: ${data}`)
}
function serializeOutgoingMessage(msg: OutgoingMessage): string {