52 lines
1.4 KiB
TypeScript
52 lines
1.4 KiB
TypeScript
import { isEmpty, isString } from 'lodash-es';
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export type RequestHeaderValue = string | string[] | undefined;
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export type RequestHeaders = Record<string, RequestHeaderValue>;
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export function hasConfiguredApiKey(apiKey: string | undefined): apiKey is string {
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return isString(apiKey) && !isEmpty(apiKey.trim());
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}
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export function extractApiKeyToken(headers: RequestHeaders): string | null {
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const authorizationHeader = readHeaderValue(headers['authorization']);
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if (authorizationHeader) {
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const [scheme, token, ...rest] = authorizationHeader.trim().split(/\s+/);
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if (rest.length === 0 && token && scheme?.toLowerCase() === 'bearer') {
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return token;
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}
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}
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const xApiKeyHeader = readHeaderValue(headers['x-api-key']);
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if (xApiKeyHeader) {
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return xApiKeyHeader;
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}
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const xGoogApiKeyHeader = readHeaderValue(headers['x-goog-api-key']);
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if (xGoogApiKeyHeader) {
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return xGoogApiKeyHeader;
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}
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return null;
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}
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function readHeaderValue(headerValue: RequestHeaderValue): string | null {
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if (isString(headerValue)) {
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const trimmedValue = headerValue.trim();
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return !isEmpty(trimmedValue) ? trimmedValue : null;
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}
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if (Array.isArray(headerValue)) {
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for (const value of headerValue) {
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if (isString(value)) {
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const trimmedValue = value.trim();
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if (!isEmpty(trimmedValue)) {
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return trimmedValue;
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}
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}
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}
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}
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return null;
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}
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