69 lines
1.7 KiB
TypeScript
69 lines
1.7 KiB
TypeScript
export type DeviceAuthPayloadParams = {
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deviceId: string;
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clientId: string;
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clientMode: string;
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role: string;
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scopes: string[];
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signedAtMs: number;
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token?: string | null;
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nonce: string;
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};
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export type DeviceAuthPayloadV3Params = DeviceAuthPayloadParams & {
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platform?: string | null;
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deviceFamily?: string | null;
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};
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function toLowerAscii(input: string): string {
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return input.replace(/[A-Z]/g, (char) => String.fromCharCode(char.charCodeAt(0) + 32));
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}
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export function normalizeDeviceMetadataForAuth(value?: string | null): string {
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if (typeof value !== "string") {
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return "";
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}
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const trimmed = value.trim();
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if (!trimmed) {
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return "";
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}
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// Keep cross-runtime normalization deterministic (TS/Swift/Kotlin) by only
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// lowercasing ASCII metadata fields used in auth payloads.
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return toLowerAscii(trimmed);
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}
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export function buildDeviceAuthPayload(params: DeviceAuthPayloadParams): string {
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const scopes = params.scopes.join(",");
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const token = params.token ?? "";
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return [
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"v2",
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params.deviceId,
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params.clientId,
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params.clientMode,
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params.role,
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scopes,
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String(params.signedAtMs),
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token,
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params.nonce,
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].join("|");
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}
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export function buildDeviceAuthPayloadV3(params: DeviceAuthPayloadV3Params): string {
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const scopes = params.scopes.join(",");
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const token = params.token ?? "";
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const platform = normalizeDeviceMetadataForAuth(params.platform);
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const deviceFamily = normalizeDeviceMetadataForAuth(params.deviceFamily);
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return [
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"v3",
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params.deviceId,
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params.clientId,
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params.clientMode,
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params.role,
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scopes,
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String(params.signedAtMs),
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token,
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params.nonce,
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platform,
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deviceFamily,
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].join("|");
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}
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