{"id":147635,"date":"2025-11-07T17:12:02","date_gmt":"2025-11-07T15:12:02","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/google-opublikoval-magika-1-0-instrumentarij-dlya-opredeleniya-tipa-soderzhimogo-fajlov"},"modified":"2026-02-26T20:20:26","modified_gmt":"2026-02-26T18:20:26","slug":"google-opublikoval-magika-1-0-instrumentarij-dlya-opredeleniya-tipa-soderzhimogo-fajlov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/google-opublikoval-magika-1-0-instrumentarij-dlya-opredeleniya-tipa-soderzhimogo-fajlov","title":{"rendered":"Google har publicerat Magika 1.0, ett verktyg f\u00f6r att best\u00e4mma typ av inneh\u00e5ll i filer","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Google har lanserat verktyget Magika 1.0, som \u00e4r avsett f\u00f6r att identifiera inneh\u00e5llstypen baserat p\u00e5 analys av data i filen. Magika kan exakt identifiera programmeringsspr\u00e5k, komprimeringsmetoder, installationspaket, k\u00f6rbar kod, olika typer av markup, ljud-, video-, dokument- och bildformat som anv\u00e4nds i inneh\u00e5llet. Det relaterade verktyget och den f\u00e4rdiga maskininl\u00e4rningsmodellen distribueras under Apache 2.0-licensen. Bindningar har f\u00f6rberetts f\u00f6r spr\u00e5ken Rust, Python, JavaScript\/TypeScript och Go. <\/p>\n

Till skillnad fr\u00e5n liknande projekt som best\u00e4mmer MIME-typ utifr\u00e5n inneh\u00e5llet, skiljer sig Magika genom anv\u00e4ndning av maskininl\u00e4rningsmetoder, h\u00f6g prestanda<\/a> och noggrannhet i identifieringen. Modellen har tr\u00e4nats med hj\u00e4lp av Keras-ramverket p\u00e5 100 miljoner filexempel (datasetets storlek \u00e4r \u00f6ver 3 TB) och st\u00f6der igenk\u00e4nning av 200 datatyper med en noggrannhet p\u00e5 minst 99 %. Modellen \u00e4r sammansatt i ONNX-format och har en storlek p\u00e5 bara n\u00e5gra megabyte. Anv\u00e4ndningen av metoder f\u00f6r djup maskininl\u00e4rning har m\u00f6jliggjort en 50 % \u00f6kning av noggrannheten i identifieringen j\u00e4mf\u00f6rt med det tidigare systemet som Google anv\u00e4nde, baserat p\u00e5 manuellt angivna regler. <\/p>\n

I Google anv\u00e4nds systemet f\u00f6r filklassificering i tj\u00e4nster som Gmail, Drive, Code Insight och Safe Browsing vid s\u00e4kerhets- och efterlevnadskontroller. Integration av Magika \u00e4r s\u00e4kerst\u00e4lld i plattformarna VirusTotal och abuse.ch som ett led f\u00f6r prim\u00e4r filtrering av filer innan specifika analyser utf\u00f6rs. Den distribuerade konfigurationen av Magika inom Googles infrastruktur m\u00f6jligg\u00f6r skanning av flera miljoner filer per sekund och flera hundra miljarder filer per vecka. Efter att modellen har laddats tar det 5 ms att generera ett resultat vid testning p\u00e5 en CPU-k\u00e4rna. Tiden f\u00f6r identifiering p\u00e5verkas n\u00e4stan inte av filstorleken. <\/p>\n

F\u00f6r att anv\u00e4nda Magika i sina projekt har verktyg f\u00f6r kommandoraden, paket f\u00f6r Python, Rust och Go samt ett JavaScript-bibliotek som kan fungera i webbl\u00e4saren eller i Node.js-projekt f\u00f6rberetts. Kommandoradsgr\u00e4nssnittet och API:et st\u00f6der k\u00f6rning av operationer i batchl\u00e4ge, dvs. de till\u00e5ter att kontrollera flera filer per beg\u00e4ran. Det finns ett l\u00e4ge f\u00f6r rekursiv skanning av hela katalogens inneh\u00e5ll och tre prognosl\u00e4gen f\u00f6r att anpassa felresistens (h\u00f6g s\u00e4kerhet, medel s\u00e4kerhet och b\u00e4sta gissning). <\/p>\n

Ursprungligen utvecklades projektet p\u00e5 Python, men inf\u00f6r version 1.0 skrevs motoren f\u00f6r inneh\u00e5llstypidentifiering om i Rust, vilket m\u00f6jliggjorde h\u00f6gre prestanda samtidigt som kodens s\u00e4kerhet bevarades. F\u00f6r att utf\u00f6ra maskininl\u00e4rningsmodellen anv\u00e4nds ramverket ONNX Runtime, och f\u00f6r parallell asynkron bearbetning av f\u00f6rfr\u00e5gningar anv\u00e4nds biblioteket Tokio. P\u00e5 MacBook Pro (M4) g\u00f6r motorens prestanda det m\u00f6jligt att bearbeta cirka 1000 filer per sekund. <\/p>\n

F\u00f6rutom den nya motorn noterades i release 1.0 en \u00f6kning av antalet st\u00f6dda typer fr\u00e5n cirka 100 till 200; till\u00e4gg av en ny klient f\u00f6r kommandoraden skriven i Rust; \u00f6kad noggrannhet i identifiering av textformat, s\u00e5som konfigurationsfiler och kod; omarbetning av moduler f\u00f6r Python och TypeScript f\u00f6r att f\u00f6renkla deras integration med andra projekt. Bland de nya st\u00f6dda inneh\u00e5llstyperna finns: format som anv\u00e4nds i maskininl\u00e4rning och AI; programmeringsspr\u00e5k som Swift, Kotlin, TypeScript, Dart, Solidity (solidity), Web Assembly och Zig; DevOps-komponenter (Dockerfiles, TOML, HashiCorp, build-filer Bazel och YARA-regler); SQLite-databaser; AutoCAD-filer (dwg, dxf), Adobe Photoshop (psd) och teckensnitt (woff, woff2). Koden har f\u00f6rb\u00e4ttrats f\u00f6r att separera C++ och C, JavaScript och TypeScript.
\n
K\u00e4lla: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0440\u0435\u043b\u0438\u0437 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f Magika 1.0, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043b\u044f \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u0442\u0438\u043f\u0430 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0433\u043e \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u0438\u043c\u0435\u044e\u0449\u0438\u0445\u0441\u044f \u0432 \u0444\u0430\u0439\u043b\u0435 \u0434\u0430\u043d\u043d\u044b\u0445. 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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-147635","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\udd47Google har publicerat Magika 1.0, ett verktyg f\u00f6r att identifiera inneh\u00e5llstypen f\u00f6r filer | ProHoster","description":"Google har sl\u00e4ppt verktyget Magika 1.0, som \u00e4r avsett f\u00f6r att identifiera inneh\u00e5llstyp baserat p\u00e5 analys av data i 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