@kikiutils/nitro-session/dist/handlers/data/index.mjs

Easy-to-use nitro session.

import { getRequestIP } from 'h3';
import { CookieOrHeaderDataHandler } from './cookie-or-header.mjs';
import { UnstorageDataHandler } from './unstorage.mjs';

class DataHandler {
    #handler;
    #maxAgeMilliseconds;
    #strictIpValidation;
    constructor(handler, maxAge, strictIpValidation) {
        this.#handler = handler;
        this.#maxAgeMilliseconds = maxAge * 1000;
        this.#strictIpValidation = strictIpValidation;
    }
    #getRequestIp(event) {
        return getRequestIP(event, { xForwardedFor: true }) || getRequestIP(event);
    }
    static async createInstance(options) {
        let handler;
        if (options.storage?.data?.driver === 'cookie/header') {
            handler = new CookieOrHeaderDataHandler(options.storage.data.options);
        }
        else
            handler = await UnstorageDataHandler.createInstance(options.storage?.data || { driver: 'memory' });
        return new this(handler, options.maxAge ?? 86400, !!options.strictIpValidation);
    }
    async delete(token) {
        await this.#handler.delete(token);
    }
    async get(event, token) {
        const data = await this.#handler.get(event, token);
        if (data && data[0] + this.#maxAgeMilliseconds >= Date.now()) {
            if (this.#strictIpValidation && this.#getRequestIp(event) !== data[2])
                return;
            return data[1];
        }
    }
    async setAndGetToken(event, data) {
        const toSetData = [
            Date.now(),
            data,
        ];
        if (this.#strictIpValidation)
            toSetData.push(this.#getRequestIp(event));
        return await this.#handler.setOrProcessAndGetToken(event, toSetData);
    }
}

export { DataHandler };
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