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import { Hono } from 'hono';
import ky from 'ky';
import { logger } from '../utils/logger';
import { loadConfig } from '../utils/config';
const config = loadConfig();
const requestTimeout = config.request_timeout || 30000;
const app = new Hono();
// Sticker metadata endpoint
app.get('/sticker/:productId', async (c) => {
const validDeviceTypes = ['ios', 'android', 'pc'] as const;
type DeviceType = (typeof validDeviceTypes)[number];
const transformedValidDeviceTypes = { ios: 'ios', android: 'android', pc: 'LINEStorePC' } as const satisfies Record<
DeviceType,
string
>;
const productId: number = parseInt(c.req.param('productId') || '-1');
const deviceType: DeviceType = (c.req.query('device_type') || 'ios') as DeviceType;
if (productId === -1) return c.text('Invalid productId', 400);
if (!validDeviceTypes.includes(deviceType as DeviceType)) return c.text('Invalid device_type', 400);
try {
const response = await ky(
`https://stickershop.line-scdn.net/stickershop/v1/product/${productId}/${transformedValidDeviceTypes[deviceType]}/productInfo.meta`,
{
headers: { 'User-Agent': config.userAgent.lineIos },
timeout: requestTimeout,
},
);
const allowedHeaders = ['Content-Type', 'ETag', 'Cache-Control', 'Last-Modified'];
const filteredHeaders = new Headers();
allowedHeaders.forEach((header) => {
if (response.headers.has(header)) {
filteredHeaders.set(header, response.headers.get(header)!);
}
});
filteredHeaders.set('X-Origin-Date', response.headers.get('Date')!);
return new Response(response.body, {
status: response.status,
headers: filteredHeaders,
});
} catch (error) {
if ((error as any).response?.status === 404) {
return c.text('Not Found', 404);
}
logger.error('Sticker meta download error', error);
return c.text('Internal Server Error', 500);
}
});
// Emoji metadata endpoint
app.get('/emoji/:productId', async (c) => {
const validDeviceTypes = ['ios', 'android'] as const;
type DeviceType = (typeof validDeviceTypes)[number];
const transformedValidDeviceTypes = { ios: 'iPhone', android: 'android' } as const satisfies Record<
DeviceType,
string
>;
const productId: string = c.req.param('productId') || 'null';
const deviceType: DeviceType = (c.req.query('device_type') || 'ios') as DeviceType;
if (!/^[0-9a-f]+$/.test(productId)) return c.text('Invalid productId', 400);
if (!validDeviceTypes.includes(deviceType as DeviceType)) return c.text('Invalid device_type', 400);
try {
const response = await ky(
`https://stickershop.line-scdn.net/sticonshop/v1/sticon/${productId}/${transformedValidDeviceTypes[deviceType]}/meta.json`,
{
headers: { 'User-Agent': config.userAgent.lineIos },
timeout: requestTimeout,
},
);
const allowedHeaders = ['Content-Type', 'ETag', 'Cache-Control', 'Last-Modified'];
const filteredHeaders = new Headers();
allowedHeaders.forEach((header) => {
if (response.headers.has(header)) {
filteredHeaders.set(header, response.headers.get(header)!);
}
});
filteredHeaders.set('X-Origin-Date', response.headers.get('Date')!);
return new Response(response.body, {
status: response.status,
headers: filteredHeaders,
});
} catch (error) {
if ((error as any).response?.status === 404) {
return c.text('Not Found', 404);
}
logger.error('Sticon meta download error', error);
return c.text('Internal Server Error', 500);
}
});
export default app;
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