{"id":104506,"date":"2022-06-25T15:36:47","date_gmt":"2022-06-25T13:36:47","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/redbean-2-0-platforma-dlya-web-prilozhenij-upakovannyh-v-universalnyj-ispolnyaemyj-zip-arhiv"},"modified":"2022-06-25T15:36:47","modified_gmt":"2022-06-25T13:36:47","slug":"redbean-2-0-platforma-dlya-web-prilozhenij-upakovannyh-v-universalnyj-ispolnyaemyj-zip-arhiv","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/redbean-2-0-platforma-dlya-web-prilozhenij-upakovannyh-v-universalnyj-ispolnyaemyj-zip-arhiv","title":{"rendered":"Redbean 2.0 \u2014 piattaforma per applicazioni web, confezionate in un archivio ZIP eseguibile universale","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00c8 stata presentata la versione del progetto Redbean 2.0, che offre un server web in grado di fornire applicazioni web sotto forma di file eseguibile universale, che pu\u00f2 essere eseguito su Linux, Windows, MacOS, FreeBSD, NetBSD e OpenBSD. Tutte le risorse relative all'applicazione web e al server vengono assemblate in un unico file eseguibile, compatibile con il formato degli archivi ZIP e consente di utilizzare l'utilit\u00e0 zip per aggiungere file aggiuntivi. La possibilit\u00e0 di eseguire un singolo file su diversi sistemi operativi e di riconoscerlo come archivio ZIP \u00e8 ottenuta grazie alla manipolazione degli header dei file eseguibili e al collegamento con la libreria standard C multi-piattaforma Cosmopolitan. Il codice del progetto \u00e8 distribuito con licenza ISC.      <\/p>\n<p>L'idea del progetto consiste nella fornitura di un file eseguibile \"redbean.com\" con un server web integrato. Lo sviluppatore dell'applicazione web pu\u00f2 utilizzare l'utility zip per aggiungere in questo file file HTML e Lua, creando cos\u00ec un'applicazione web autonoma, eseguibile su tutti i sistemi operativi pi\u00f9 diffusi e che non richiede l'avvio di un server web separato nel sistema.         <\/p>\n<p>Dopo l'avvio del file eseguibile ottenuto, per accedere all'applicazione web salvata nel file si utilizza il server web integrato. Per impostazione predefinita, il gestore \u00e8 associato a localhost, ma il server pu\u00f2 essere utilizzato anche come un normale server web pubblico (ad esempio, questo server ospita il sito del progetto). Il server web integrato supporta l'accesso tramite HTTPS e pu\u00f2 essere eseguito utilizzando un isolamento sandbox che consente di controllare a quali interfacce di sistema si accede. Per gestire l'attivit\u00e0 del server durante la sua esecuzione \u00e8 fornita un'interfaccia interattiva REPL (basata su Lua REPL e sulla libreria bestline, analoga a GNU Readline), che consente di modificare lo stato del processo in modalit\u00e0 interattiva.      <\/p>\n<p>Si afferma che il server web sia in grado di gestire oltre un milione di richieste al secondo su un normale PC, restituendo contenuti compressi con il metodo gzip. L'alta performance \u00e8 facilitata dal fatto che zip e gzip utilizzano un formato comune, quindi i dati vengono restituiti senza ripackaging da aree gi\u00e0 compresse nel file zip. Inoltre, poich\u00e9 l'eseguibile \u00e8 stato creato utilizzando il collegamento statico e ha una dimensione ridotta, la chiamata alla funzione fork comporta praticamente costi aggiuntivi trascurabili in memoria.       <\/p>\n<p>Oltre a trattare contenuti web statici e a eseguire JavaScript nel browser, la logica delle applicazioni web pu\u00f2 essere ampliata mediante script in linguaggio Lua, il framework web Fullmoon e il database SQLite. Tra le opzioni aggiuntive si segnala il supporto per lo schema di hashing delle password argon2, la possibilit\u00e0 di determinare la regione IP tramite il database MaxMind e l'accesso all'API Unix della libreria Cosmopolitan. La dimensione dello stack di base, che include il server web, MbedTLS, Cosmopolitan, Lua e SQLite, \u00e8 di soli 1,9 MB.     <\/p>\n<p>Il file eseguibile universale viene creato combinando segmenti e intestazioni specifici per diversi sistemi operativi (PE, ELF, MACHO, OPENBSD, ZIP) in un unico file. Per garantire l'esecuzione di un file eseguibile su sistemi Windows e Unix, viene utilizzato un trucco che consiste nella codifica dei file Windows PE sotto forma di script shell, sfruttando il fatto che Thompson Shell non utilizza il marker degli script \"#!\". Di conseguenza, viene creato un file eseguibile che combina diversi formati utilizzati in Linux, BSD, Windows e macOS.         $ curl https:\/\/redbean.dev\/redbean-demo-2.0.7.com &gt;redbean.com     $ chmod +x redbean.com       $ zip redbean.com hello.html     $ zip redbean.com hello.lua        $ .\/redbean.com -vv     I2022-06-23T08:27:14+000767:redbean] (srvr) listen   http:\/\/127.0.0.1:8080     &gt;: waiting for command\u2026       $ curl https:\/\/127.0.0.1:8080\/hello.html     hello          $ printf 'GET \/hello.lua\n\n' | nc 127.0.0.1 8080     hello        <center>  <video id=\"video\"  controls=\"\" style=\"width: 700px; height: 350px; max-width:100%\"><source src=\"https:\/\/storage.googleapis.com\/justine\/redbean2\/redbean-2.0-demo.mp4\" type=\"video\/mp4\"><\/video><\/center>    <\/center><br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57407\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Redbean 2.0, \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e\u0449\u0435\u0433\u043e web-\u0441\u0435\u0440\u0432\u0435\u0440, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0442\u044c web-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u0432 \u0444\u043e\u0440\u043c\u0435 \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0438\u0441\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u043e\u0433\u043e \u0444\u0430\u0439\u043b\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d \u0432 Linux, Windows, MacOS, FreeBSD, NetBSD \u0438 OpenBSD. \u0412\u0441\u0435 \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 web-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435\u043c \u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c \u0440\u0435\u0441\u0443\u0440\u0441\u044b \u043a\u043e\u043c\u043f\u043e\u043d\u0443\u044e\u0442\u0441\u044f \u0432 \u043e\u0434\u0438\u043d \u0438\u0441\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0439 \u0444\u0430\u0439\u043b, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u0440\u0438 \u044d\u0442\u043e\u043c \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c \u0441 \u0444\u043e\u0440\u043c\u0430\u0442\u043e\u043c \u0430\u0440\u0445\u0438\u0432\u043e\u0432 ZIP \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0443\u0442\u0438\u043b\u0438\u0442\u0443 zip \u0434\u043b\u044f \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-104506","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Redbean 2.0, \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e\u0449\u0435\u0433\u043e web-\u0441\u0435\u0440\u0432\u0435\u0440, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0442\u044c 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