{"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\/ro\/blog\/news\/dlya-chrome-razvivaetsya-api-dlya-pryamyh-tcp-i-udp-kommunikaczij","title":{"rendered":"Pentru Chrome se dezvolt\u0103 o API pentru comunic\u0103ri directe TCP \u0219i UDP","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Compania Google a \u00eenceput<\/a><\/noindex> implementarea unei noi API \u00een Chrome Raw Sockets<\/a><\/noindex>, permi\u021b\u00e2nd aplica\u021biilor web s\u0103 stabileasc\u0103 conexiuni directe de re\u021bea utiliz\u00e2nd protocoale TCP \u0219i UDP. \u00cen 2015, consor\u021biul W3C a \u00eencercat deja standardizarea API-ului «TCP and UDP Socket<\/a><\/noindex>«, dar participan\u021bii grupului de lucru nu au ajuns la un consens, iar dezvoltarea acestui API a fost oprit\u0103.<\/p>\n

Necesitatea ad\u0103ug\u0103rii unui nou API este explicat\u0103 prin oferirea posibilit\u0103\u021bii de interac\u021biune cu dispozitivele de re\u021bea care utilizeaz\u0103 protocoale proprii, care func\u021bioneaz\u0103 deasupra TCP \u0219i UDP, \u0219i nu suport\u0103 interac\u021biunea prin HTTPS sau WebSockets. Se men\u021bioneaz\u0103 c\u0103 API-ul Raw Sockets va completa interfe\u021bele de programare de nivel sc\u0103zut deja existente \u00een browser, cum ar fi WebUSB, WebMIDI \u0219i WebBluetooth, care permit interac\u021biunea cu dispozitivele locale.<\/p>\n

Pentru a evita impactul negativ asupra securit\u0103\u021bii, API-ul Raw Sockets va permite apeluri de re\u021bea doar ini\u021biate cu consim\u021b\u0103m\u00e2ntul utilizatorului \u0219i limitate la o list\u0103 de gazde aprobate de utilizator. Utilizatorul va trebui s\u0103 confere \u00een mod explicit prima \u00eencercare de conectare pentru o nou\u0103 gazd\u0103. Prin intermediul unei etichete speciale, utilizatorul va putea dezactiva afi\u0219area cererilor repetate de confirmare a opera\u021biunii la reconexiuni c\u0103tre aceea\u0219i gazd\u0103. Pentru a preveni atacurile DDoS, intensitatea apelurilor prin Raw Sockets va fi limitat\u0103, iar trimiterea cererilor va fi posibil\u0103 doar dup\u0103 interac\u021biunea utilizatorului cu pagina. Pachetele UDP primite de la gazde nesanc\u021bionate de utilizator vor fi ignorate \u0219i nu vor ajunge la aplica\u021bia web.<\/p>\n

Implementarea ini\u021bial\u0103 nu presupune crearea de socket-uri de ascultare, dar \u00een viitor nu se exclude furnizarea de apeluri pentru a accepta conexiuni intrate de la localhost sau de pe o list\u0103 de gazde cunoscute. De asemenea, se men\u021bioneaz\u0103 necesitatea protej\u0103rii \u00eempotriva atacurilor «relegarea DNS<\/a><\/noindex>» (atacatorul poate schimba, la nivel DNS, adresa IP pentru un nume de domeniu aprobat de utilizator \u0219i poate accesa alte gazde). Accesul la domeniile care se rezolv\u0103 \u00een 127.0.0.0\/8 \u0219i la re\u021belele intranet este planificat s\u0103 fie blocat (solicit\u0103rile c\u0103tre localhost se propune s\u0103 fie permise doar prin introducerea explicit\u0103 a adresei IP \u00eentr-o form\u0103 de confirmare).<\/p>\n

Printre riscurile care pot ap\u0103rea la implementarea unei noi API se num\u0103r\u0103 posibila neacceptare de c\u0103tre produc\u0103torii altor browsere, ceea ce poate cauza probleme de compatibilitate. Dezvoltatorii motoarelor Mozilla Gecko \u0219i WebKit deocamdat\u0103 nu au adoptat<\/a><\/noindex> nicio pozi\u021bie referitoare la posibilitatea implement\u0103rii API Raw Sockets, \u00eens\u0103 compania Mozilla a propus anterior o API similar\u0103<\/a><\/noindex>. \u00cen cazul \u00een care API Raw Sockets este aprobat \u00een prima etap\u0103, se preconizeaz\u0103 activarea acestuia \u00een Chrome OS, iar ulterior va fi disponibil \u0219i utilizatorilor Chrome pe alte sisteme.<\/p>\n

Dezvoltatorii web s-au pronun\u021bat pozitiv<\/a><\/noindex> despre noul API \u0219i au venit cu multe idei noi despre aplicarea acestuia \u00een domenii \u00een care API-urile XMLHttpRequest, WebSocket \u0219i WebRTC sunt insuficiente (de la crearea de clien\u021bi de browser pentru SSH, RDP, IMAP, SMTP, IRC \u0219i protocoale de imprimare, p\u00e2n\u0103 la dezvoltarea de sisteme P2P distribuite cu DHT (Distributed Hash Table), suport pentru IPFS \u0219i interac\u021biune cu protocoalele specifice dispozitivelor IoT).<\/p>\n

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

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

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043f\u0440\u0438\u0441\u0442\u0443\u043f\u0438\u043b\u0430 \u043a \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0432 Chrome \u043d\u043e\u0432\u043e\u0433\u043e API Raw Sockets, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e web-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u043c \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0442\u044c \u043f\u0440\u044f\u043c\u044b\u0435 \u0441\u0435\u0442\u0435\u0432\u044b\u0435 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 TCP \u0438 UDP. \u0412 2015 \u0433\u043e\u0434\u0443 \u043a\u043e\u043d\u0441\u043e\u0440\u0446\u0438\u0443\u043c\u043e\u043c W3C \u0443\u0436\u0435 \u0431\u044b\u043b\u0430 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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\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\udd47 API pentru comunica\u021bii directe TCP \u0219i UDP este \u00een dezvoltare pentru Chrome | ProHoster","description":"Compania Google a \u00eenceput implementarea unei noi API \u00een 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