{"id":121141,"date":"2024-12-25T15:46:00","date_gmt":"2024-12-25T13:46:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/pervyj-testovyj-vypusk-web-brauzera-fixbrowser"},"modified":"2024-12-25T15:46:00","modified_gmt":"2024-12-25T13:46:00","slug":"pervyj-testovyj-vypusk-web-brauzera-fixbrowser","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/pervyj-testovyj-vypusk-web-brauzera-fixbrowser","title":{"rendered":"Prvn\u00ed testovac\u00ed vyd\u00e1n\u00ed webov\u00e9ho prohl\u00ed\u017ee\u010de FixBrowser","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Byl zve\u0159ejn\u011bn prvn\u00ed testovac\u00ed vyd\u00e1n\u00ed webov\u00e9ho prohl\u00ed\u017ee\u010de FixBrowser, kter\u00fd je navr\u017een pro n\u00edzkou spot\u0159ebu zdroj\u016f a ochranu soukrom\u00ed. Prohl\u00ed\u017ee\u010d se vyv\u00edj\u00ed od nuly a principi\u00e1ln\u011b nepodporuje vykon\u00e1v\u00e1n\u00ed JavaScriptu, ale z\u00e1rove\u0148 umo\u017e\u0148uje pr\u00e1ci se str\u00e1nkami, kter\u00e9 jsou na JavaScriptu zalo\u017een\u00e9. K\u00f3d je napsan\u00fd v jazyc\u00edch C a FixScript a \u0161\u00ed\u0159\u00ed se pod licenc\u00ed ZLIB. Hotov\u00e9 verze jsou p\u0159ipraveny pro Linux (GTK2) a Windows. Pl\u00e1nuje se vytvo\u0159en\u00ed verz\u00ed pro Haiku a macOS 10.6+ a tak\u00e9 pro Linux, kter\u00fd pou\u017e\u00edv\u00e1 GTK3\/4. <\/p>\n

Pro pr\u00e1ci se str\u00e1nkami, kter\u00e9 jsou na JavaScriptu zalo\u017een\u00e9, je v FixBrowseru vyu\u017eita vrstva FixProxy, kter\u00e1 za b\u011bhu p\u0159ev\u00e1d\u00ed takov\u00e9 str\u00e1nky do podoby, se kter\u00fdmi je mo\u017en\u00e9 pracovat bez JavaScriptu. Nahrazen\u00ed prob\u00edh\u00e1 jak podle typov\u00fdch \u0161ablon, tak pomoc\u00ed fix-zpracovatel\u016f, kter\u00e9 zohled\u0148uj\u00ed specifika konkr\u00e9tn\u00edch str\u00e1nek (v balen\u00ed jsou zahrnuty fix-zpracovatele pro v\u00edce ne\u017e 1200 str\u00e1nek). FixProxy se vyv\u00edj\u00ed jako samostatn\u00fd proxy proces, kter\u00fd nen\u00ed v\u00e1z\u00e1n na FixBrowser a je pou\u017eiteln\u00fd i s jin\u00fdmi prohl\u00ed\u017ee\u010di. <\/p>\n

Je pozorov\u00e1no, \u017ee pro zobrazen\u00ed v\u011bt\u0161iny webov\u00fdch str\u00e1nek bez JavaScriptu jsou pot\u0159ebn\u00e9 pouze drobn\u00e9 \u00fapravy. Krom\u011b toho na mnoha str\u00e1nk\u00e1ch pou\u017e\u00edvaj\u00ed podobn\u00e9 technologie pro dynamickou generaci obsahu, co\u017e umo\u017e\u0148uje pou\u017e\u00edt standardn\u00ed fixn\u00ed zpracovatele pro jejich vykreslen\u00e9. Nap\u0159\u00edklad mohou b\u00fdt pou\u017eity univerz\u00e1ln\u00ed fixn\u00ed zpracovatele pro weby zalo\u017een\u00e9 na motoru WordPress a pro f\u00f3ra na platform\u011b Disqus. Je tak\u00e9 mo\u017en\u00e9 vytvo\u0159it zpracovatele pro weby, kter\u00e9 dynamicky vykresluj\u00ed obsah \u2014 nap\u0159\u00edklad pro zobrazen\u00ed seznamu koment\u00e1\u0159\u016f, kter\u00e9 jsou p\u016fvodn\u011b na\u010d\u00edt\u00e1ny dynamicky pomoc\u00ed JavaScriptu, fixn\u00ed zpracovatel p\u0159\u00edmo na\u010d\u00edt\u00e1 data ve form\u00e1tu JSON a na jejich z\u00e1klad\u011b s\u00e1m formuje HTML. <\/p>\n

Pro zpracov\u00e1n\u00ed captcha a JavaScriptov\u00fdch komponent\u016f, jako jsou kontroly CloudFlare, bez kter\u00fdch nen\u00ed mo\u017en\u00e9 p\u0159ihl\u00e1\u0161en\u00ed na n\u011bkter\u00e9 str\u00e1nky, se pl\u00e1nuje p\u0159ipravit vrstvu na z\u00e1klad\u011b r\u00e1mce CEF (Chromium Embedded Framework), kter\u00e1 bude moci selektivn\u011b vykon\u00e1vat pouze pot\u0159ebn\u00fd JavaScript k\u00f3d. Vrstva pro JavaScript bude implementov\u00e1na jako samostatn\u00e1 slu\u017eba (lze ji spustit jak na vlastn\u00ed syst\u00e9mu, tak vyu\u017e\u00edt ve\u0159ejn\u011b dostupnou cloudovou slu\u017ebu). <\/p>\n

Pro blokaci sledov\u00e1n\u00ed aktivity u\u017eivatel\u016f je zak\u00e1z\u00e1no stahov\u00e1n\u00ed zdroj\u016f z extern\u00edch hostitel\u016f, zat\u00edmco pro povolen\u00ed stahov\u00e1n\u00ed obr\u00e1zk\u016f prost\u0159ednictv\u00edm obsahov\u00fdch dodac\u00edch s\u00edt\u00ed se pou\u017e\u00edvaj\u00ed b\u00edl\u00e9 seznamy. Podpora HTTPS je k dispozici. Lze p\u0159ipojit roz\u0161\u00ed\u0159en\u00ed napsan\u00e1 jazykem FixScript. <\/p>\n

Projekt vyv\u00edj\u00ed Martin Dvo\u0159\u00e1k z \u010ceska, kter\u00fd v minulosti vytvo\u0159il programovac\u00ed jazyk FixScript. V\u011bt\u0161ina k\u00f3du FixBrowser je naps\u00e1na ve FixScriptu, krom\u011b operac\u00ed kritick\u00fdch pro v\u00fdkon a z\u00e1kladn\u00edho r\u00e1mce. K\u00f3d ve FixScriptu je vestav\u011bn do k\u00f3du v C a pro kompilaci se pou\u017e\u00edv\u00e1 kompil\u00e1tor dod\u00e1van\u00fd v jednom souboru, kter\u00fd zahrnuje p\u0159ibli\u017en\u011b 27 tis\u00edc \u0159\u00e1dk\u016f k\u00f3du v C (800 KB). Jazyk p\u0159ipom\u00edn\u00e1 C, ale pou\u017e\u00edv\u00e1 dynamickou typizaci, kolektor odpadu a JIT-kompilaci. FixBrowser zaji\u0161\u0165uje zabezpe\u010denou pr\u00e1ci s pam\u011bt\u00ed a vl\u00e1kny a m\u00e1 vestav\u011bnou ochranu proti p\u0159ete\u010den\u00ed cel\u00fdch \u010d\u00edsel. <\/p>\n

Realizaci prohl\u00ed\u017ee\u010dov\u00e9ho enginu se poda\u0159ilo podstatn\u011b zjednodu\u0161it, proto\u017ee FixBrowser prov\u00e1d\u00ed pouze prim\u00e1rn\u00ed vykreslen\u00ed a nepodporuje dynamickou aktualizaci obsahu. Jakmile je str\u00e1nka zobrazen\u00e1, ji\u017e se nem\u011bn\u00ed, tak\u017ee se lze obej\u00edt bez abstrakc\u00ed jako DOM (Document Object Model). V sou\u010dasnosti se pr\u00e1ce soust\u0159ed\u00ed na vytvo\u0159en\u00ed HTML parseru, kter\u00fd podporuje specifikace HTML5. Navr\u017een\u00e1 implementace v prvn\u00edm testovac\u00edm vyd\u00e1n\u00ed sou\u010dasnosti pokr\u00fdv\u00e1 pouze 30% test\u016f HTML5. Byla implementov\u00e1na z\u00e1kladn\u00ed podpora CSS.

\"Prvn\u00ed<\/center>
\n
Zdroj: 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":121142,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-121141","post","type-post","status-publish","format-standard","has-post-thumbnail","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\udd47Prvn\u00ed testovac\u00ed vyd\u00e1n\u00ed webov\u00e9ho prohl\u00ed\u017ee\u010de FixBrowser | ProHoster","description":"Bylo zve\u0159ejn\u011bno prvn\u00ed testovac\u00ed vyd\u00e1n\u00ed webov\u00e9ho prohl\u00ed\u017ee\u010de FixBrowser, kter\u00e9 je navr\u017eeno pro n\u00edzkou spot\u0159ebu zdroj\u016f a zaji\u0161t\u011bn\u00ed ochrany 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