photochamber-webserver/router/api.js

const fs = require('fs');
const Security = require('../src/security.js');
const MediaService = require('../model/mediaService.js');

module.exports = { register: app => {
    app.router.get("/api/access/list", (req, res) => {
        app.routerUtils.onApiRequest(req, res);
        app.routerUtils.jsonResponse(res, req.accessList);
    });
    app.router.post("/api/access/link", async (req, res) => { // /api/access/link, post: { linkId: string }
        app.routerUtils.onApiRequest(req, res);
        if (!req.post?.linkId?.length)
            return app.routerUtils.httpResponse(res, 400, "Missing argument");
        let access = Security.addLinkToSession(req, req.post.linkId);
        app.routerUtils.jsonResponse(res, access);
    });
    app.router.del("/api/access/:id", (req, res) => {
        app.routerUtils.onApiRequest(req, res);
        Security.removeFromSession(req, req.params.id);
        let access = Security.getAccessList(req.cookies);
        app.routerUtils.jsonResponse(res, access);
    });
    app.router.get("/api/media/list", async (req, res) => {
        app.routerUtils.onApiRequest(req, res);
        app.routerUtils.jsonResponse(res, {
            data: await MediaService.fetchMediasWithAccess(app, 0, 50, req.accessList)
        });
    });
    app.router.get("/api/media/thumbnail/:md5sum.png", async (req, res) => {
        app.routerUtils.onApiRequest(req, res);
        let data = await MediaService.fetchOne(app, req.params.md5sum, req.accessList);
        if (!data)
            return app.routerUtils.onPageNotFound(res);
        try {
            let thumbnail = await (await app.libraryManager.findMedia(data.path))?.createThumbnail(req.body?.w || 0, req.body?.h || 0);
            if (!thumbnail)
                return app.routerUtils.onPageNotFound(res);
            res.setHeader("Content-Type", "image/png");
            res.setHeader("Content-Length", fs.statSync(thumbnail.name)?.size || undefined);
            res.setHeader("Cache-Control", "private, max-age=2630000"); // 1 month cache
            let rd = fs.createReadStream(thumbnail.name);
            rd.once('end', () => thumbnail.removeCallback());
            rd.pipe(res);
        }
        catch (err) {
            console.error(err);
            app.routerUtils.onPageNotFound(res);
        }
    });
}};