{"id":99575,"date":"2021-03-25T16:23:03","date_gmt":"2021-03-25T14:23:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/ustranenie-narusheniya-gpl-v-biblioteke-mimemagic-privelo-k-sboyu-v-ruby-on-rails"},"modified":"2021-03-25T16:23:03","modified_gmt":"2021-03-25T14:23:03","slug":"ustranenie-narusheniya-gpl-v-biblioteke-mimemagic-privelo-k-sboyu-v-ruby-on-rails","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/ustranenie-narusheniya-gpl-v-biblioteke-mimemagic-privelo-k-sboyu-v-ruby-on-rails","title":{"rendered":"A corre\u00e7\u00e3o da viola\u00e7\u00e3o da GPL na biblioteca mimemagic causou uma falha no Ruby on Rails","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

O autor da popular biblioteca Ruby mimemagic, que conta com mais de 100 milh\u00f5es de downloads, foi for\u00e7ado a mudar a licen\u00e7a de MIT para GPLv2 devido \u00e0 viola\u00e7\u00e3o da licen\u00e7a GPLv2 detectada no projeto. Na RubyGems, apenas as vers\u00f5es 0.3.6 e 0.4.0, distribu\u00eddas sob a GPL, foram mantidas, enquanto todas as vers\u00f5es anteriores sob a licen\u00e7a MIT foram removidas. Al\u00e9m disso, o desenvolvimento do mimemagic foi interrompido e o reposit\u00f3rio no GitHub foi colocado em estado de arquivamento. <\/p>\n

Essas a\u00e7\u00f5es levaram \u00e0 interrup\u00e7\u00e3o da capacidade de compilar projetos que utilizam o mimemagic como depend\u00eancia e que s\u00e3o distribu\u00eddos sob licen\u00e7as incompat\u00edveis com a GPLv2. Com o uso da nova vers\u00e3o do mimemagic, os desenvolvedores de outros projetos, incluindo os propriet\u00e1rios (a licen\u00e7a MIT permite tal uso), s\u00e3o obrigados a relicenciar seu c\u00f3digo sob a GPL. O problema foi agravado pelo fato de que as vers\u00f5es antigas sob a licen\u00e7a MIT deixaram de estar dispon\u00edveis no RubyGems.org. Se o cache de pacotes n\u00e3o estiver habilitado na compila\u00e7\u00e3o, servidor<\/a> tentar compilar projetos com vers\u00f5es anteriores do mimemagic resultar\u00e1 em falha. <\/p>\n

O framework Ruby on Rails, que carrega o mimemagic entre suas depend\u00eancias, tamb\u00e9m foi afetado. Ruby on Rails \u00e9 distribu\u00eddo sob a licen\u00e7a MIT e n\u00e3o pode incluir componentes sob GPL. O problema tomou propor\u00e7\u00f5es globais \u2014 se a altera\u00e7\u00e3o direta afetou 172 pacotes, levando em conta as depend\u00eancias, mais de 577 mil reposit\u00f3rios foram impactados. <\/p>\n

A viola\u00e7\u00e3o da licen\u00e7a GPL no projeto mimemagic est\u00e1 relacionada \u00e0 inclus\u00e3o no c\u00f3digo do arquivo freedesktop.org.xml, que \u00e9 uma c\u00f3pia do banco de dados de tipos MIME da biblioteca shared-mime-info. O referido arquivo \u00e9 distribu\u00eddo sob a licen\u00e7a GPLv2, enquanto a pr\u00f3pria biblioteca shared-mime-info \u00e9 sob a licen\u00e7a ISC, que \u00e9 compat\u00edvel com a GPL. Os c\u00f3digos fonte do mimemagic foram distribu\u00eddos sob a licen\u00e7a MIT e a entrega de componentes sob a licen\u00e7a GPLv2 exige que o produto derivado seja distribu\u00eddo sob uma licen\u00e7a compat\u00edvel com a GPLv2. O respons\u00e1vel pela shared-mime-info chamou a aten\u00e7\u00e3o para isso e o autor do mimemagic concordou em atender \u00e0 exig\u00eancia de mudar a licen\u00e7a. <\/p>\n

A solu\u00e7\u00e3o seria realizar a an\u00e1lise do arquivo XML em tempo real, sem a entrega do freedesktop.org.xml como parte da biblioteca, mas o autor do mimemagic congelou o reposit\u00f3rio do projeto, portanto, esse trabalho deve ser urgentemente realizado por outra pessoa. Possivelmente, se o autor do mimemagic n\u00e3o desejar retornar seu projeto \u00e0 ativa (ele se recusa por enquanto), ser\u00e1 necess\u00e1rio criar um fork do mimemagic e substituir a depend\u00eancia em todos os projetos relacionados. Como uma alternativa, tamb\u00e9m est\u00e1 sendo considerado a mudan\u00e7a dos projetos dependentes do mimemagic para a biblioteca libmagic.
\n
Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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