{"id":92099,"date":"2020-08-22T19:42:21","date_gmt":"2020-08-22T17:42:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dlya-chrome-razvivaetsya-api-dlya-pryamyh-tcp-i-udp-kommunikaczij"},"modified":"2020-08-22T19:42:21","modified_gmt":"2020-08-22T17:42:21","slug":"dlya-chrome-razvivaetsya-api-dlya-pryamyh-tcp-i-udp-kommunikaczij","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/dlya-chrome-razvivaetsya-api-dlya-pryamyh-tcp-i-udp-kommunikaczij","title":{"rendered":"Za Chrome se razvija API za izravne TCP i UDP komunikacije","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Tvrtka Google zapo\u010dela<\/a><\/noindex> s realizacijom novog API-ja u Chromeu Raw Sockets<\/a><\/noindex>, omogu\u0107uju\u0107i web aplikacijama da uspostavljaju izravne mre\u017ene veze koriste\u0107i TCP i UDP protokole. U 2015. godini, W3C konzorcij je ve\u0107 poduzeo poku\u0161aj standardizacije API-ja «TCP and UDP Socket<\/a><\/noindex>«, ali \u010dlanovi radne skupine nisu postigli konsenzus i razvoj ovog API-ja je obustavljen.<\/p>\n

Potreba za dodavanjem novog API-ja je obja\u0161njena pru\u017eanjem mogu\u0107nosti interakcije s mre\u017enim ure\u0111ajima koji koriste vlastite protokole, a koji ne podr\u017eavaju interakciju putem HTTPS-a ili WebSockets-a. Nagla\u0161ava se da \u0107e API Raw Sockets dopuniti ve\u0107 postoje\u0107e niske programske su\u010delje u pregledniku, kao \u0161to su WebUSB, WebMIDI i WebBluetooth, koji omogu\u0107uju interakciju s lokalnim ure\u0111ajima.<\/p>\n

Kako bi se isklju\u010dio negativni utjecaj na sigurnost, API Raw Sockets \u0107e dopu\u0161tati mre\u017ene zahtjeve samo koje korisnik odobri, i ograni\u010dene na popis odobrenih hostova. Korisnik \u0107e morati izri\u010dito potvrditi prvi poku\u0161aj veze za novi host. Pomo\u0107u posebne oznake, korisnik \u0107e mo\u0107i isklju\u010diti ponovnu potvrdu operacije prilikom ponovljenih veza s istim hostom. Kako bi se sprije\u010dili DDoS napadi, intenzitet zahtjeva putem Raw Sockets \u0107e biti ograni\u010den, a slanje zahtjeva bit \u0107e mogu\u0107e samo nakon interakcije korisnika sa stranicom. UDP paketi primljeni od korisnika neodobrenih hostova bit \u0107e ignorirani i ne\u0107e do\u0107i do web aplikacije.<\/p>\n

Po\u010detna implementacija ne predvi\u0111a kreiranje slu\u0161nih soketa, ali u budu\u0107nosti se ne isklju\u010duje mogu\u0107nost pru\u017eanja poziva za prihvat dolaznih veza s localhosta ili popisa poznatih hostova. Tako\u0111er se spominje potreba za za\u0161titom od napada «DNS rebinding<\/a><\/noindex>» (napada\u010d mo\u017ee na razini DNS-a promijeniti IP adresu za odobrenu domenu i dobiti pristup drugim hostovima). Pristup domenama koje se razrje\u0161avaju u 127.0.0.0\/8 i intranet mre\u017ee planira se blokirati (pristupi localhostu \u0107e biti dopu\u0161teni samo uz izri\u010dit unos IP adrese u obliku potvrde).<\/p>\n

Me\u0111u rizicima koji se mogu pojaviti prilikom implementacije novog API-ja, isti\u010de se njegovo mogu\u0107e neprihva\u0107anje od strane proizvo\u0111a\u010da drugih preglednika, \u0161to bi moglo dovesti do problema s kompatibilno\u0161\u0107u. Programeri Mozilla Gecko i WebKit za sada nisu donijeli<\/a><\/noindex> svoju odluku o mogu\u0107oj implementaciji API-ja Raw Sockets, ali je kompanija Mozilla ranije za projekt Firefox OS (B2G) ve\u0107 predlo\u017eila sli\u010dan API<\/a><\/noindex>. U slu\u010daju odobrenja u prvoj fazi, planira se aktiviranje API-ja Raw Sockets u Chrome OS-u, a zatim \u0107e se ponuditi korisnicima Chromea na drugim sustavima.<\/p>\n

Web-dizajneri pozitivno<\/a><\/noindex> su se izrazili o novom API-ju i iznijeli mnogo novih ideja o njegovoj primjeni u podru\u010djima gdje API-ji XMLHttpRequest, WebSocket i WebRTC nisu dovoljni (od izrade pregledni\u010dkih klijenata za SSH, RDP, IMAP, SMTP, IRC i protokola za ispis do razvoja distribuiranih P2P sustava s DHT-om (Distribuirana Hash Tablica), podr\u0161ke za IPFS i interakcije s specifi\u010dnim protokolima IoT ure\u0111aja).<\/p>\n

<\/a><\/noindex><\/p>\n

Izvor: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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[…]<\/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-92099","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Za Chrome se razvija API za izravne TCP i UDP komunikacije | ProHoster","description":"Kompanija Google zapo\u010dela je s implementacijom novog API-ja u 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