{"id":87101,"date":"2020-07-03T19:42:00","date_gmt":"2020-07-03T17:42:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/najdena-prichina-problem-dehydrated-s-acme-serverami-otlichnymi-ot-letsencrypt"},"modified":"2020-07-03T19:42:00","modified_gmt":"2020-07-03T17:42:00","slug":"najdena-prichina-problem-dehydrated-s-acme-serverami-otlichnymi-ot-letsencrypt","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/najdena-prichina-problem-dehydrated-s-acme-serverami-otlichnymi-ot-letsencrypt","title":{"rendered":"Znaleziono przyczyn\u0119 problem\u00f3w dehydrated z serwerami ACME r\u00f3\u017cnymi od LetsEncrypt","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Sebastian Krause okre\u015bli\u0142<\/a><\/noindex> \u017ar\u00f3d\u0142o dziwnej niekompatybilno\u015bci z us\u0142ug\u0105 Bypass<\/a><\/noindex> skryptu dehydrated<\/a><\/noindex>, u\u017cywanego do automatyzacji uzyskiwania certyfikat\u00f3w TLS za pomoc\u0105 protoko\u0142u ACME. Z Bypass wsp\u00f3\u0142pracuj\u0105 zar\u00f3wno klient wzorcowy, jak i uacme, ale nie dehydrated (dok\u0142adniej, r\u00f3wnie\u017c z pewnymi obej\u015bciami dzia\u0142a\u0142, ale wy\u0142\u0105cznie w trybie dns-1).<\/p>\n

Przyczyna okaza\u0142a si\u0119 banalna: zamiast rzeczywi\u015bcie analizowa\u0107 odpowied\u017a w formacie JSON, autor dehydrated skorzysta\u0142 z cechy formatowania konkretnego wyj\u015bcia JSON z us\u0142ugi Let's Encrypt i przeprowadza\u0142 analiz\u0119 za pomoc\u0105 wyra\u017cenia regularnego. Jednak Bypass zwraca nie\u0142adnie sformatowany, a zminimalizowany JSON, i u\u017cyte wyra\u017cenie regularne<\/a><\/noindex> nie zadzia\u0142a\u0142o. Podane podej\u015bcie nie wyklucza pojawienia si\u0119 problem\u00f3w tak\u017ce z LetsEncrypt, je\u015bli ta us\u0142uga w przysz\u0142o\u015bci zmieni format wydania bez ostrze\u017cenia, pozostaj\u0105c w pe\u0142ni w granicach oficjalnego protoko\u0142u.<\/p>\n

Podczas dyskusji nad problemem zaproponowano u\u017cycie zewn\u0119trznego parsera JSON, takiego jak json_pp<\/a><\/noindex> lub jq<\/a><\/noindex> (dodaj do pipe 'jq -r \" .authorizations | .[] \"' dla poprawnej analizy).
\nWad\u0105 takiego podej\u015bcia jest zamazanie idei ograniczenia si\u0119 do minimalnych i \u0142atwych do weryfikacji \u015brodk\u00f3w, a tak\u017ce problemy z przetwarzaniem b\u0142\u0119d\u00f3w.<\/p>\n

Autor projektu dehydrated (projekt niedawno zosta\u0142 sprzedany<\/a><\/noindex> firmie Apilayer GmbH) zgodzi\u0142 si\u0119<\/a><\/noindex>, co sprawia, \u017ce analiza JSON jest du\u017cym problemem, ale dodawanie zewn\u0119trznych parser\u00f3w nie jest jego zdaniem dobrym pomys\u0142em, poniewa\u017c jednym z kluczowych atut\u00f3w skryptu jest brak uzale\u017cnienia od zewn\u0119trznych zale\u017cno\u015bci. Obecnie jest zaj\u0119ty, ale ma nadziej\u0119 po\u015bwi\u0119ci\u0107 uwag\u0119 rozwi\u0105zaniu problemu w ci\u0105gu najbli\u017cszych kilku dni. W planach jest przebudowa parsera JSON lub integracja gotowego parsera w j\u0119zyku shell \u2014 JSON.sh<\/a><\/noindex>.<\/p>\n

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

\u0179r\u00f3d\u0142o: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

Sebastian Krause \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u043b \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a \u0441\u0442\u0440\u0430\u043d\u043d\u043e\u0439 \u043d\u0435\u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u0438 \u0441 \u0441\u0435\u0440\u0432\u0438\u0441\u043e\u043c Bypass \u0441\u043a\u0440\u0438\u043f\u0442\u0430 dehydrated, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f TLS-\u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0432 \u043f\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0443 ACME. \u0421 Bypass \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0442 \u0438 \u044d\u0442\u0430\u043b\u043e\u043d\u043d\u044b\u0439 \u043a\u043b\u0438\u0435\u043d\u0442, \u0438 uacme, \u043d\u043e \u043d\u0435 dehydrated (\u0442\u043e\u0447\u043d\u0435\u0435, \u043e\u043d \u0442\u043e\u0436\u0435 \u0441 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u043c\u0438 \u043e\u0431\u0445\u043e\u0434\u043d\u044b\u043c\u0438 \u043c\u0430\u043d\u0451\u0432\u0440\u0430\u043c\u0438 \u0437\u0430\u0440\u0430\u0431\u043e\u0442\u0430\u043b, \u043d\u043e \u0438\u0441\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0432 \u0440\u0435\u0436\u0438\u043c\u0435 dns-1). \u041f\u0440\u0438\u0447\u0438\u043d\u0430 \u043e\u043a\u0430\u0437\u0430\u043b\u0430\u0441\u044c \u0431\u0430\u043d\u0430\u043b\u044c\u043d\u0430: \u0432\u043c\u0435\u0441\u0442\u043e \u0442\u043e\u0433\u043e \u0447\u0442\u043e\u0431\u044b \u0440\u0430\u0437\u0431\u0438\u0440\u0430\u0442\u044c \u043e\u0442\u0432\u0435\u0442 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 JSON \u043f\u043e […]<\/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-87101","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\udd47Znaleziono przyczyn\u0119 problem\u00f3w dehydrated z serwerami ACME innymi ni\u017c LetsEncrypt | ProHoster","description":"Sebastian Krause okre\u015bli\u0142 \u017ar\u00f3d\u0142o dziwnej niekompatybilno\u015bci z 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