Function makeSignature

utils/oauth.ts:14–40

(hmacKey: CryptoKey, oauthParams: Record<string, string>, method: string, url: string|URL, params: URLSearchParams|null)

}

async function makeSignature(hmacKey: CryptoKey, oauthParams: Record<string, string>, method: string, url: string|URL, params: URLSearchParams|null): Promise<string> {
    const paramBits = [];

    for (const [key, value] of Object.entries(oauthParams)) {
        paramBits.push(`${percentEncode(key)}=${percentEncode(value)}`);
    }

    if (typeof url === 'string') {
        url = new URL(url);
    }
    url.searchParams.forEach((value, key) => {
        paramBits.push(`${percentEncode(key)}=${percentEncode(value)}`);
    });

    if (params !== null) {
        for (const [key, value] of Object.entries(params)) {
            paramBits.push(`${percentEncode(key)}=${percentEncode(value)}`);
        }
    }

    const parameterString = percentEncode(paramBits.sort().join('&'));
    const urlBase = percentEncode(url.origin + url.pathname);
    const baseString = `${method.toUpperCase()}&${urlBase}&${parameterString}`;
    const baseArray = new TextEncoder().encode(baseString);
    const hash = await crypto.subtle.sign('HMAC', hmacKey, baseArray.buffer);
    return toHashString(hash, 'base64');
}

export class OAuth {
    consumerKey: string;