{"id":104458,"date":"2022-06-21T03:36:39","date_gmt":"2022-06-21T01:36:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/opublikovan-instrumentarij-dlya-opredeleniya-dopolnenij-ustanovlennyh-v-chrome"},"modified":"2022-06-21T03:36:39","modified_gmt":"2022-06-21T01:36:39","slug":"opublikovan-instrumentarij-dlya-opredeleniya-dopolnenij-ustanovlennyh-v-chrome","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/opublikovan-instrumentarij-dlya-opredeleniya-dopolnenij-ustanovlennyh-v-chrome","title":{"rendered":"Megjelent az eszk\u00f6zk\u00e9szlet a Chrome-ba telep\u00edtett kieg\u00e9sz\u00edt\u0151k azonos\u00edt\u00e1s\u00e1ra","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Megjelent egy eszk\u00f6zk\u00e9szlet, amely a Chrome b\u00f6ng\u00e9sz\u0151ben telep\u00edtett kieg\u00e9sz\u00edt\u0151k azonos\u00edt\u00e1s\u00e1nak m\u00f3dj\u00e1t val\u00f3s\u00edtja meg. A kapott kieg\u00e9sz\u00edt\u0151k list\u00e1ja a passz\u00edv azonos\u00edt\u00e1s pontoss\u00e1g\u00e1nak n\u00f6vel\u00e9s\u00e9re haszn\u00e1lhat\u00f3, m\u00e1s k\u00f6zvetett jelekkel egy\u00fctt, mint p\u00e9ld\u00e1ul a k\u00e9perny\u0151 felbont\u00e1sa, a WebGL saj\u00e1toss\u00e1gai, a telep\u00edtett pluginek \u00e9s bet\u0171t\u00edpusok list\u00e1i. A javasolt megval\u00f3s\u00edt\u00e1s t\u00f6bb mint 1000 kieg\u00e9sz\u00edt\u0151 telep\u00edt\u00e9s\u00e9t ellen\u0151rzi. A rendszer tesztel\u00e9s\u00e9re online bemutat\u00f3 \u00e9rhet\u0151 el. <\/p>\n

A kieg\u00e9sz\u00edt\u0151k azonos\u00edt\u00e1sa a kieg\u00e9sz\u00edt\u0151k \u00e1ltal biztos\u00edtott, k\u00fcls\u0151 lek\u00e9rdez\u00e9sek sz\u00e1m\u00e1ra el\u00e9rhet\u0151 er\u0151forr\u00e1sok elemz\u00e9s\u00e9n kereszt\u00fcl t\u00f6rt\u00e9nik. Jellemz\u0151en a kieg\u00e9sz\u00edt\u0151k k\u00fcl\u00f6nb\u00f6z\u0151 k\u00eds\u00e9r\u0151 f\u00e1jlokat tartalmaznak, p\u00e9ld\u00e1ul k\u00e9peket, amelyek a kieg\u00e9sz\u00edt\u0151 manifestuma szerint a web_accessible_resources tulajdons\u00e1ggal vannak meghat\u00e1rozva. Az els\u0151 Chrome manifest verzi\u00f3ban az er\u0151forr\u00e1sokhoz val\u00f3 hozz\u00e1f\u00e9r\u00e9s nem volt korl\u00e1tozva, \u00edgy b\u00e1rmely weboldal bet\u00f6lthette a biztos\u00edtott er\u0151forr\u00e1sokat. A m\u00e1sodik manifest verzi\u00f3ban az ilyen er\u0151forr\u00e1sokhoz val\u00f3 hozz\u00e1f\u00e9r\u00e9st alap\u00e9rtelmezetten csak a kieg\u00e9sz\u00edt\u0151 sz\u00e1m\u00e1ra enged\u00e9lyezt\u00e9k. A harmadik verzi\u00f3ban lehet\u0151v\u00e9 v\u00e1lt meghat\u00e1rozni, hogy mely er\u0151forr\u00e1sokat adhassanak vissza mely kieg\u00e9sz\u00edt\u0151k, domainek \u00e9s oldalak sz\u00e1m\u00e1ra. <\/p>\n

A webb\u00f6ng\u00e9sz\u0151k kieg\u00e9sz\u00edt\u0151 er\u0151forr\u00e1sokat k\u00e9rhetnek a fetch m\u00f3dszer seg\u00edts\u00e9g\u00e9vel (p\u00e9ld\u00e1ul \u201efetch(\u2018chrome-extension:\/\/okb\u2026nd5\/test.png\u2019)\u201d), \u00e9s ha a visszat\u00e9r\u00e9si \u00e9rt\u00e9k \u201efalse\u201d, az \u00e1ltal\u00e1ban arra utal, hogy a kieg\u00e9sz\u00edt\u0151 nincs telep\u00edtve. N\u00e9h\u00e1ny kieg\u00e9sz\u00edt\u0151 a forr\u00e1shoz val\u00f3 hozz\u00e1f\u00e9r\u00e9shez sz\u00fcks\u00e9ges ellen\u0151rz\u0151 tokent gener\u00e1l, hogy megakad\u00e1lyozza a kieg\u00e9sz\u00edt\u0151 megl\u00e9t\u00e9nek az er\u0151forr\u00e1sok alapj\u00e1n t\u00f6rt\u00e9n\u0151 meghat\u00e1roz\u00e1s\u00e1t. A token megad\u00e1sa n\u00e9lk\u00fcli fetch h\u00edv\u00e1sok mindig hib\u00e1val v\u00e9gz\u0151dnek. <\/p>\n

Kider\u00fclt, hogy a kieg\u00e9sz\u00edt\u0151k er\u0151forr\u00e1sokhoz val\u00f3 hozz\u00e1f\u00e9r\u00e9s\u00e9nek v\u00e9delm\u00e9t meg lehet ker\u00fclni a m\u0171velet v\u00e9grehajt\u00e1si idej\u00e9nek \u00e9rt\u00e9kel\u00e9s\u00e9vel. B\u00e1r a token n\u00e9lk\u00fcli fetch h\u00edv\u00e1s mindig hib\u00e1t ad, a m\u0171velet id\u0151tartama a kieg\u00e9sz\u00edt\u0151 jelenl\u00e9te vagy hi\u00e1nya f\u00fcggv\u00e9ny\u00e9ben elt\u00e9r\u0151 \u2013 ha a kieg\u00e9sz\u00edt\u0151 jelen van, a k\u00e9r\u00e9s hosszabb ideig tart, mint ha a kieg\u00e9sz\u00edt\u0151 nincs telep\u00edtve. A reakci\u00f3id\u0151 \u00e9rt\u00e9kel\u00e9s\u00e9vel meglehet\u0151sen pontosan meg lehet hat\u00e1rozni a kieg\u00e9sz\u00edt\u0151 megl\u00e9t\u00e9t. <\/p>\n

N\u00e9h\u00e1ny, k\u00fcls\u0151 forr\u00e1shoz nem hozz\u00e1f\u00e9r\u0151 kieg\u00e9sz\u00edt\u0151t tov\u00e1bbi tulajdons\u00e1gokkal lehet azonos\u00edtani. P\u00e9ld\u00e1ul a MetaMask kieg\u00e9sz\u00edt\u0151t a window.ethereum tulajdons\u00e1g \u00e9rt\u00e9kel\u00e9s\u00e9vel lehet azonos\u00edtani (ha a kieg\u00e9sz\u00edt\u0151 nincs telep\u00edtve, akkor a \u201etypeof window.ethereum\u201d \u201eundefined\u201d \u00e9rt\u00e9ket ad vissza).
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043c\u0435\u0442\u043e\u0434\u0430 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0439, \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0432 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0435 Chrome. \u041f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u044b\u0439 \u0441\u043f\u0438\u0441\u043e\u043a \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0439 \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0438\u044f \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u0438 \u043f\u0430\u0441\u0441\u0438\u0432\u043d\u043e\u0439 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\u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u0430\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u0442 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0443 \u0431\u043e\u043b\u0435\u0435 1000 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0439. \u0414\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0441\u0432\u043e\u0435\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0430 online-\u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0430\u0446\u0438\u044f. \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 […]<\/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-104458","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\udd47Kiad\u00e1sra ker\u00fclt egy eszk\u00f6zk\u00e9szlet a Chrome-ban telep\u00edtett kieg\u00e9sz\u00edt\u0151k azonos\u00edt\u00e1s\u00e1ra | ProHoster","description":"Kiad\u00e1sra ker\u00fclt egy eszk\u00f6zk\u00e9szlet a Chrome b\u00f6ng\u00e9sz\u0151ben telep\u00edtett kieg\u00e9sz\u00edt\u0151k azonos\u00edt\u00e1s\u00e1ra szolg\u00e1l\u00f3 m\u00f3dszer 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