nextcloud/apps/files_encryption/lib/stream.php

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<?php
/**
* ownCloud
*
* @author Robin Appelman
2013-05-20 03:24:36 +04:00
* @copyright 2012 Sam Tuke <samtuke@owncloud.com>, 2011 Robin Appelman
Merge branch 'master' into files_encryption Encryption unit tests still failing, needs work Conflicts: 3rdparty/Archive/Tar.php 3rdparty/MDB2/Driver/Datatype/Common.php 3rdparty/MDB2/Driver/mysql.php 3rdparty/Sabre/CalDAV/CalendarQueryValidator.php 3rdparty/Sabre/CalDAV/Plugin.php 3rdparty/Sabre/CalDAV/Version.php 3rdparty/Sabre/CardDAV/AddressBook.php 3rdparty/Sabre/CardDAV/AddressBookQueryParser.php 3rdparty/Sabre/CardDAV/Plugin.php 3rdparty/Sabre/CardDAV/Version.php 3rdparty/Sabre/DAV/Client.php 3rdparty/Sabre/DAV/Locks/Plugin.php 3rdparty/Sabre/DAV/Server.php 3rdparty/Sabre/DAV/Tree/Filesystem.php 3rdparty/Sabre/DAV/Version.php 3rdparty/Sabre/HTTP/BasicAuth.php 3rdparty/Sabre/HTTP/Version.php 3rdparty/Sabre/VObject/Component/VEvent.php 3rdparty/Sabre/VObject/DateTimeParser.php 3rdparty/Sabre/VObject/RecurrenceIterator.php 3rdparty/Sabre/VObject/Version.php 3rdparty/class.phpmailer.php 3rdparty/class.smtp.php 3rdparty/css/chosen-sprite.png 3rdparty/css/chosen.css 3rdparty/css/chosen/chosen.css 3rdparty/fullcalendar/css/fullcalendar.css 3rdparty/fullcalendar/css/fullcalendar.print.css 3rdparty/fullcalendar/js/fullcalendar.js 3rdparty/fullcalendar/js/fullcalendar.min.js 3rdparty/fullcalendar/js/gcal.js 3rdparty/js/chosen/VERSION 3rdparty/js/chosen/chosen.jquery.js 3rdparty/js/chosen/chosen.jquery.min.js 3rdparty/openid/class.openid.v3.php 3rdparty/openid/phpmyid.php 3rdparty/php-cloudfiles/cloudfiles.php 3rdparty/smb4php/smb.php 3rdparty/timepicker/css/jquery.ui.timepicker.css 3rdparty/timepicker/js/i18n/i18n.html 3rdparty/timepicker/js/i18n/jquery.ui.timepicker-de.js 3rdparty/timepicker/js/i18n/jquery.ui.timepicker-ja.js 3rdparty/timepicker/js/jquery.ui.timepicker.js 3rdparty/timepicker/releases.txt README apps/files/admin.php apps/files/ajax/autocomplete.php apps/files/ajax/move.php apps/files/ajax/newfile.php apps/files/ajax/scan.php apps/files/ajax/timezone.php apps/files/ajax/upload.php apps/files/appinfo/filesync.php apps/files/appinfo/update.php apps/files/css/files.css apps/files/index.php apps/files/js/fileactions.js apps/files/js/filelist.js apps/files/js/files.js apps/files/l10n/ar.php apps/files/l10n/bg_BG.php apps/files/l10n/ca.php apps/files/l10n/cs_CZ.php apps/files/l10n/da.php apps/files/l10n/de.php apps/files/l10n/el.php apps/files/l10n/eo.php apps/files/l10n/es.php apps/files/l10n/es_AR.php apps/files/l10n/et_EE.php apps/files/l10n/eu.php apps/files/l10n/fa.php apps/files/l10n/fi_FI.php apps/files/l10n/fr.php apps/files/l10n/gl.php apps/files/l10n/he.php apps/files/l10n/hr.php apps/files/l10n/hu_HU.php apps/files/l10n/ia.php apps/files/l10n/id.php apps/files/l10n/it.php apps/files/l10n/ja_JP.php apps/files/l10n/ko.php apps/files/l10n/lb.php apps/files/l10n/lt_LT.php apps/files/l10n/lv.php apps/files/l10n/mk.php apps/files/l10n/ms_MY.php apps/files/l10n/nb_NO.php apps/files/l10n/nl.php apps/files/l10n/nn_NO.php apps/files/l10n/oc.php apps/files/l10n/pl.php apps/files/l10n/pt_BR.php apps/files/l10n/pt_PT.php apps/files/l10n/ro.php apps/files/l10n/ru.php apps/files/l10n/ru_RU.php apps/files/l10n/si_LK.php apps/files/l10n/sk_SK.php apps/files/l10n/sl.php apps/files/l10n/sr.php apps/files/l10n/sr@latin.php apps/files/l10n/sv.php apps/files/l10n/th_TH.php apps/files/l10n/tr.php apps/files/l10n/uk.php apps/files/l10n/vi.php apps/files/l10n/zh_CN.GB2312.php apps/files/l10n/zh_CN.php apps/files/l10n/zh_TW.php apps/files/templates/admin.php apps/files/templates/index.php apps/files/templates/part.breadcrumb.php apps/files/templates/part.list.php apps/files_encryption/appinfo/app.php apps/files_encryption/appinfo/info.xml apps/files_encryption/js/settings.js apps/files_encryption/l10n/fa.php apps/files_encryption/l10n/sl.php apps/files_encryption/lib/crypt.php apps/files_encryption/lib/cryptstream.php apps/files_encryption/lib/proxy.php apps/files_encryption/settings.php apps/files_encryption/templates/settings.php apps/files_encryption/tests/encryption.php apps/files_encryption/tests/proxy.php apps/files_encryption/tests/stream.php apps/files_external/l10n/cs_CZ.php apps/files_external/l10n/et_EE.php apps/files_external/l10n/lt_LT.php apps/files_external/l10n/nl.php apps/files_external/l10n/ru.php apps/files_external/l10n/sk_SK.php apps/files_external/l10n/sl.php apps/files_external/l10n/vi.php apps/files_external/lib/config.php apps/files_external/lib/ftp.php apps/files_external/lib/smb.php apps/files_external/lib/streamwrapper.php apps/files_external/lib/swift.php apps/files_external/lib/webdav.php apps/files_external/tests/ftp.php apps/files_sharing/appinfo/update.php apps/files_sharing/css/public.css apps/files_sharing/js/share.js apps/files_sharing/l10n/de.php apps/files_sharing/l10n/et_EE.php apps/files_sharing/l10n/ja_JP.php apps/files_sharing/l10n/nb_NO.php apps/files_sharing/l10n/ru.php apps/files_sharing/l10n/sl.php apps/files_sharing/l10n/vi.php apps/files_sharing/lib/share/file.php apps/files_sharing/lib/share/folder.php 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apps/user_webdavauth/templates/settings.php apps/user_webdavauth/user_webdavauth.php autotest.sh core/ajax/appconfig.php core/ajax/share.php core/ajax/translations.php core/ajax/vcategories/add.php core/ajax/vcategories/delete.php core/ajax/vcategories/edit.php core/css/share.css core/js/eventsource.js core/js/js.js core/js/oc-vcategories.js core/js/share.js core/l10n/ar.php core/l10n/bg_BG.php core/l10n/ca.php core/l10n/cs_CZ.php core/l10n/da.php core/l10n/de.php core/l10n/el.php core/l10n/eo.php core/l10n/es.php core/l10n/es_AR.php core/l10n/et_EE.php core/l10n/eu.php core/l10n/fa.php core/l10n/fi_FI.php core/l10n/fr.php core/l10n/gl.php core/l10n/he.php core/l10n/hi.php core/l10n/hr.php core/l10n/hu_HU.php core/l10n/ia.php core/l10n/id.php core/l10n/it.php core/l10n/ja_JP.php core/l10n/ko.php core/l10n/ku_IQ.php core/l10n/lb.php core/l10n/lt_LT.php core/l10n/lv.php core/l10n/mk.php core/l10n/ms_MY.php core/l10n/nb_NO.php core/l10n/nl.php core/l10n/nn_NO.php core/l10n/oc.php 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l10n/zh_TW/contacts.po l10n/zh_TW/core.po l10n/zh_TW/files.po l10n/zh_TW/lib.po l10n/zh_TW/settings.po lib/MDB2/Driver/sqlite3.php lib/app.php lib/appconfig.php lib/archive.php lib/archive/tar.php lib/archive/zip.php lib/base.php lib/connector/sabre/auth.php lib/connector/sabre/directory.php lib/connector/sabre/file.php lib/connector/sabre/locks.php lib/connector/sabre/node.php lib/db.php lib/eventsource.php lib/filecache.php lib/filecache/cached.php lib/filecache/update.php lib/filechunking.php lib/fileproxy.php lib/fileproxy/fileoperations.php lib/fileproxy/quota.php lib/files.php lib/filestorage.php lib/filestorage/common.php lib/filestorage/commontest.php lib/filestorage/local.php lib/filesystem.php lib/filesystemview.php lib/group.php lib/group/dummy.php lib/group/example.php lib/helper.php lib/image.php lib/installer.php lib/json.php lib/l10n.php lib/l10n/ca.php lib/l10n/cs_CZ.php lib/l10n/da.php lib/l10n/de.php lib/l10n/el.php lib/l10n/eo.php lib/l10n/es.php lib/l10n/es_AR.php lib/l10n/et_EE.php lib/l10n/eu.php lib/l10n/fa.php lib/l10n/fi_FI.php lib/l10n/fr.php lib/l10n/gl.php lib/l10n/he.php lib/l10n/hu_HU.php lib/l10n/it.php lib/l10n/ja_JP.php lib/l10n/lt_LT.php lib/l10n/nb_NO.php lib/l10n/nl.php lib/l10n/oc.php lib/l10n/pl.php lib/l10n/pt_BR.php lib/l10n/pt_PT.php lib/l10n/ro.php lib/l10n/ru.php lib/l10n/ru_RU.php lib/l10n/sk_SK.php lib/l10n/sl.php lib/l10n/sv.php lib/l10n/th_TH.php lib/l10n/uk.php lib/l10n/vi.php lib/l10n/zh_CN.GB2312.php lib/l10n/zh_CN.php lib/l10n/zh_TW.php lib/log.php lib/log/owncloud.php lib/mail.php lib/migrate.php lib/migration/content.php lib/minimizer.php lib/ocs.php lib/ocsclient.php lib/preferences.php lib/public/backgroundjob.php lib/public/db.php lib/public/share.php lib/public/util.php lib/request.php lib/search.php lib/search/provider/file.php lib/search/result.php lib/setup.php lib/streamwrappers.php lib/template.php lib/templatelayout.php lib/updater.php lib/user.php lib/user/database.php lib/user/http.php lib/util.php lib/vcategories.php lib/vobject.php public.php remote.php search/ajax/search.php settings/admin.php settings/ajax/apps/ocs.php settings/ajax/changepassword.php settings/ajax/creategroup.php settings/ajax/createuser.php settings/ajax/disableapp.php settings/ajax/enableapp.php settings/ajax/getlog.php settings/ajax/lostpassword.php settings/ajax/openid.php settings/ajax/removegroup.php settings/ajax/removeuser.php settings/ajax/setlanguage.php settings/ajax/setloglevel.php settings/ajax/setquota.php settings/ajax/togglegroups.php settings/ajax/togglesubadmins.php settings/ajax/userlist.php settings/apps.php settings/css/settings.css settings/help.php settings/js/apps.js settings/js/users.js settings/l10n/ar.php settings/l10n/bg_BG.php settings/l10n/ca.php settings/l10n/cs_CZ.php settings/l10n/da.php settings/l10n/de.php settings/l10n/el.php settings/l10n/eo.php settings/l10n/es.php settings/l10n/es_AR.php settings/l10n/et_EE.php settings/l10n/eu.php settings/l10n/fa.php settings/l10n/fi_FI.php settings/l10n/fr.php settings/l10n/gl.php settings/l10n/hr.php settings/l10n/hu_HU.php settings/l10n/id.php settings/l10n/it.php settings/l10n/ja_JP.php settings/l10n/ko.php settings/l10n/lb.php settings/l10n/lt_LT.php settings/l10n/lv.php settings/l10n/ms_MY.php settings/l10n/nb_NO.php settings/l10n/nl.php settings/l10n/nn_NO.php settings/l10n/oc.php settings/l10n/pl.php settings/l10n/pt_BR.php settings/l10n/pt_PT.php settings/l10n/ro.php settings/l10n/ru.php settings/l10n/ru_RU.php settings/l10n/si_LK.php settings/l10n/sk_SK.php settings/l10n/sl.php settings/l10n/sr.php settings/l10n/sr@latin.php settings/l10n/sv.php settings/l10n/th_TH.php settings/l10n/tr.php settings/l10n/uk.php settings/l10n/vi.php settings/l10n/zh_CN.GB2312.php settings/l10n/zh_CN.php settings/l10n/zh_TW.php settings/personal.php settings/settings.php settings/templates/admin.php settings/templates/apps.php settings/templates/help.php settings/templates/personal.php settings/templates/users.php settings/trans.png settings/users.php tests/bootstrap.php tests/data/db_structure.xml tests/lib/archive.php tests/lib/cache.php tests/lib/cache/apc.php tests/lib/cache/xcache.php tests/lib/db.php tests/lib/filesystem.php tests/lib/geo.php tests/lib/share/share.php tests/lib/streamwrappers.php tests/lib/util.php tests/phpunit.xml
2012-12-12 21:39:43 +04:00
* <icewind1991@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
/**
* transparently encrypted filestream
*
* you can use it as wrapper around an existing stream by setting CryptStream::$sourceStreams['foo']=array('path'=>$path,'stream'=>$stream)
Merge branch 'master' into files_encryption Encryption unit tests still failing, needs work Conflicts: 3rdparty/Archive/Tar.php 3rdparty/MDB2/Driver/Datatype/Common.php 3rdparty/MDB2/Driver/mysql.php 3rdparty/Sabre/CalDAV/CalendarQueryValidator.php 3rdparty/Sabre/CalDAV/Plugin.php 3rdparty/Sabre/CalDAV/Version.php 3rdparty/Sabre/CardDAV/AddressBook.php 3rdparty/Sabre/CardDAV/AddressBookQueryParser.php 3rdparty/Sabre/CardDAV/Plugin.php 3rdparty/Sabre/CardDAV/Version.php 3rdparty/Sabre/DAV/Client.php 3rdparty/Sabre/DAV/Locks/Plugin.php 3rdparty/Sabre/DAV/Server.php 3rdparty/Sabre/DAV/Tree/Filesystem.php 3rdparty/Sabre/DAV/Version.php 3rdparty/Sabre/HTTP/BasicAuth.php 3rdparty/Sabre/HTTP/Version.php 3rdparty/Sabre/VObject/Component/VEvent.php 3rdparty/Sabre/VObject/DateTimeParser.php 3rdparty/Sabre/VObject/RecurrenceIterator.php 3rdparty/Sabre/VObject/Version.php 3rdparty/class.phpmailer.php 3rdparty/class.smtp.php 3rdparty/css/chosen-sprite.png 3rdparty/css/chosen.css 3rdparty/css/chosen/chosen.css 3rdparty/fullcalendar/css/fullcalendar.css 3rdparty/fullcalendar/css/fullcalendar.print.css 3rdparty/fullcalendar/js/fullcalendar.js 3rdparty/fullcalendar/js/fullcalendar.min.js 3rdparty/fullcalendar/js/gcal.js 3rdparty/js/chosen/VERSION 3rdparty/js/chosen/chosen.jquery.js 3rdparty/js/chosen/chosen.jquery.min.js 3rdparty/openid/class.openid.v3.php 3rdparty/openid/phpmyid.php 3rdparty/php-cloudfiles/cloudfiles.php 3rdparty/smb4php/smb.php 3rdparty/timepicker/css/jquery.ui.timepicker.css 3rdparty/timepicker/js/i18n/i18n.html 3rdparty/timepicker/js/i18n/jquery.ui.timepicker-de.js 3rdparty/timepicker/js/i18n/jquery.ui.timepicker-ja.js 3rdparty/timepicker/js/jquery.ui.timepicker.js 3rdparty/timepicker/releases.txt README apps/files/admin.php apps/files/ajax/autocomplete.php apps/files/ajax/move.php apps/files/ajax/newfile.php apps/files/ajax/scan.php apps/files/ajax/timezone.php apps/files/ajax/upload.php apps/files/appinfo/filesync.php apps/files/appinfo/update.php apps/files/css/files.css apps/files/index.php apps/files/js/fileactions.js apps/files/js/filelist.js apps/files/js/files.js apps/files/l10n/ar.php apps/files/l10n/bg_BG.php apps/files/l10n/ca.php apps/files/l10n/cs_CZ.php apps/files/l10n/da.php apps/files/l10n/de.php apps/files/l10n/el.php apps/files/l10n/eo.php apps/files/l10n/es.php apps/files/l10n/es_AR.php apps/files/l10n/et_EE.php apps/files/l10n/eu.php apps/files/l10n/fa.php apps/files/l10n/fi_FI.php apps/files/l10n/fr.php apps/files/l10n/gl.php apps/files/l10n/he.php apps/files/l10n/hr.php apps/files/l10n/hu_HU.php apps/files/l10n/ia.php apps/files/l10n/id.php apps/files/l10n/it.php apps/files/l10n/ja_JP.php apps/files/l10n/ko.php apps/files/l10n/lb.php apps/files/l10n/lt_LT.php apps/files/l10n/lv.php apps/files/l10n/mk.php apps/files/l10n/ms_MY.php apps/files/l10n/nb_NO.php apps/files/l10n/nl.php apps/files/l10n/nn_NO.php apps/files/l10n/oc.php apps/files/l10n/pl.php apps/files/l10n/pt_BR.php apps/files/l10n/pt_PT.php apps/files/l10n/ro.php apps/files/l10n/ru.php apps/files/l10n/ru_RU.php apps/files/l10n/si_LK.php apps/files/l10n/sk_SK.php apps/files/l10n/sl.php apps/files/l10n/sr.php apps/files/l10n/sr@latin.php apps/files/l10n/sv.php apps/files/l10n/th_TH.php apps/files/l10n/tr.php apps/files/l10n/uk.php apps/files/l10n/vi.php apps/files/l10n/zh_CN.GB2312.php apps/files/l10n/zh_CN.php apps/files/l10n/zh_TW.php apps/files/templates/admin.php apps/files/templates/index.php apps/files/templates/part.breadcrumb.php apps/files/templates/part.list.php apps/files_encryption/appinfo/app.php apps/files_encryption/appinfo/info.xml apps/files_encryption/js/settings.js apps/files_encryption/l10n/fa.php apps/files_encryption/l10n/sl.php apps/files_encryption/lib/crypt.php apps/files_encryption/lib/cryptstream.php apps/files_encryption/lib/proxy.php apps/files_encryption/settings.php apps/files_encryption/templates/settings.php apps/files_encryption/tests/encryption.php apps/files_encryption/tests/proxy.php apps/files_encryption/tests/stream.php apps/files_external/l10n/cs_CZ.php apps/files_external/l10n/et_EE.php apps/files_external/l10n/lt_LT.php apps/files_external/l10n/nl.php apps/files_external/l10n/ru.php apps/files_external/l10n/sk_SK.php apps/files_external/l10n/sl.php apps/files_external/l10n/vi.php apps/files_external/lib/config.php apps/files_external/lib/ftp.php apps/files_external/lib/smb.php apps/files_external/lib/streamwrapper.php apps/files_external/lib/swift.php apps/files_external/lib/webdav.php apps/files_external/tests/ftp.php apps/files_sharing/appinfo/update.php apps/files_sharing/css/public.css apps/files_sharing/js/share.js apps/files_sharing/l10n/de.php apps/files_sharing/l10n/et_EE.php apps/files_sharing/l10n/ja_JP.php apps/files_sharing/l10n/nb_NO.php apps/files_sharing/l10n/ru.php apps/files_sharing/l10n/sl.php apps/files_sharing/l10n/vi.php apps/files_sharing/lib/share/file.php apps/files_sharing/lib/share/folder.php apps/files_sharing/lib/sharedstorage.php apps/files_sharing/public.php apps/files_sharing/templates/public.php apps/files_versions/l10n/et_EE.php apps/files_versions/l10n/lt_LT.php apps/files_versions/l10n/nb_NO.php apps/files_versions/l10n/nl.php apps/files_versions/l10n/ru.php apps/files_versions/l10n/sl.php apps/files_versions/l10n/vi.php apps/files_versions/lib/hooks.php apps/files_versions/lib/versions.php apps/user_ldap/appinfo/database.xml apps/user_ldap/appinfo/update.php apps/user_ldap/group_ldap.php apps/user_ldap/l10n/da.php apps/user_ldap/l10n/et_EE.php apps/user_ldap/l10n/pt_PT.php apps/user_ldap/l10n/sl.php apps/user_ldap/l10n/vi.php apps/user_ldap/l10n/zh_CN.php apps/user_ldap/lib/access.php apps/user_ldap/lib/connection.php apps/user_ldap/settings.php apps/user_ldap/templates/settings.php apps/user_ldap/tests/group_ldap.php apps/user_ldap/user_ldap.php apps/user_webdavauth/appinfo/app.php apps/user_webdavauth/appinfo/info.xml apps/user_webdavauth/settings.php apps/user_webdavauth/templates/settings.php apps/user_webdavauth/user_webdavauth.php autotest.sh core/ajax/appconfig.php core/ajax/share.php core/ajax/translations.php core/ajax/vcategories/add.php core/ajax/vcategories/delete.php core/ajax/vcategories/edit.php core/css/share.css core/js/eventsource.js core/js/js.js core/js/oc-vcategories.js core/js/share.js core/l10n/ar.php core/l10n/bg_BG.php core/l10n/ca.php core/l10n/cs_CZ.php core/l10n/da.php core/l10n/de.php core/l10n/el.php core/l10n/eo.php core/l10n/es.php core/l10n/es_AR.php core/l10n/et_EE.php core/l10n/eu.php core/l10n/fa.php core/l10n/fi_FI.php core/l10n/fr.php core/l10n/gl.php core/l10n/he.php core/l10n/hi.php core/l10n/hr.php core/l10n/hu_HU.php core/l10n/ia.php core/l10n/id.php core/l10n/it.php core/l10n/ja_JP.php core/l10n/ko.php core/l10n/ku_IQ.php core/l10n/lb.php core/l10n/lt_LT.php core/l10n/lv.php core/l10n/mk.php core/l10n/ms_MY.php core/l10n/nb_NO.php core/l10n/nl.php core/l10n/nn_NO.php core/l10n/oc.php core/l10n/pl.php core/l10n/pt_BR.php core/l10n/pt_PT.php core/l10n/ro.php core/l10n/ru.php core/l10n/ru_RU.php core/l10n/si_LK.php core/l10n/sk_SK.php core/l10n/sl.php core/l10n/sr.php core/l10n/sr@latin.php core/l10n/sv.php core/l10n/th_TH.php core/l10n/tr.php core/l10n/uk.php core/l10n/vi.php core/l10n/zh_CN.GB2312.php core/l10n/zh_CN.php core/l10n/zh_TW.php core/lostpassword/index.php core/lostpassword/resetpassword.php core/templates/layout.base.php core/templates/layout.guest.php core/templates/layout.user.php cron.php db_structure.xml files/webdav.php index.php l10n/.tx/config l10n/af/calendar.po l10n/af/contacts.po l10n/af/core.po l10n/af/files.po l10n/ar/calendar.po l10n/ar/contacts.po l10n/ar/core.po l10n/ar/files.po l10n/ar/files_encryption.po l10n/ar/lib.po l10n/ar/media.po l10n/ar/settings.po l10n/ar_SA/core.po l10n/ar_SA/files.po l10n/bg_BG/calendar.po l10n/bg_BG/contacts.po l10n/bg_BG/core.po l10n/bg_BG/files.po l10n/bg_BG/lib.po l10n/bg_BG/media.po l10n/bg_BG/settings.po l10n/ca/calendar.po l10n/ca/contacts.po l10n/ca/core.po l10n/ca/files.po l10n/ca/gallery.po l10n/ca/lib.po l10n/ca/settings.po l10n/cs_CZ/calendar.po l10n/cs_CZ/contacts.po l10n/cs_CZ/core.po l10n/cs_CZ/files.po l10n/cs_CZ/files_external.po l10n/cs_CZ/gallery.po l10n/cs_CZ/lib.po l10n/cs_CZ/settings.po l10n/da/calendar.po l10n/da/contacts.po l10n/da/core.po l10n/da/files.po l10n/da/lib.po l10n/da/settings.po l10n/da/user_ldap.po l10n/de/calendar.po l10n/de/contacts.po l10n/de/core.po l10n/de/files.po l10n/de/files_sharing.po l10n/de/gallery.po l10n/de/lib.po l10n/de/settings.po l10n/de_DE/core.po l10n/de_DE/files.po l10n/de_DE/settings.po l10n/el/calendar.po l10n/el/contacts.po l10n/el/core.po l10n/el/files.po l10n/el/gallery.po l10n/el/lib.po l10n/el/settings.po l10n/eo/calendar.po l10n/eo/contacts.po l10n/eo/core.po l10n/eo/files.po l10n/eo/lib.po l10n/eo/media.po l10n/eo/settings.po l10n/es/calendar.po l10n/es/contacts.po l10n/es/core.po l10n/es/files.po l10n/es/gallery.po l10n/es/lib.po l10n/es/settings.po l10n/es_AR/core.po l10n/es_AR/files.po l10n/es_AR/lib.po l10n/es_AR/settings.po l10n/et_EE/calendar.po l10n/et_EE/contacts.po l10n/et_EE/core.po l10n/et_EE/files.po l10n/et_EE/files_external.po l10n/et_EE/files_sharing.po l10n/et_EE/files_versions.po l10n/et_EE/lib.po l10n/et_EE/settings.po l10n/et_EE/user_ldap.po l10n/eu/calendar.po l10n/eu/contacts.po l10n/eu/core.po l10n/eu/files.po l10n/eu/lib.po l10n/eu/settings.po l10n/eu_ES/core.po l10n/eu_ES/files.po l10n/fa/calendar.po l10n/fa/contacts.po l10n/fa/core.po l10n/fa/files.po l10n/fa/files_encryption.po l10n/fa/lib.po l10n/fa/settings.po l10n/fi/core.po l10n/fi/files.po l10n/fi_FI/calendar.po l10n/fi_FI/contacts.po l10n/fi_FI/core.po l10n/fi_FI/files.po l10n/fi_FI/gallery.po l10n/fi_FI/lib.po l10n/fi_FI/settings.po l10n/fr/calendar.po l10n/fr/contacts.po l10n/fr/core.po l10n/fr/files.po l10n/fr/gallery.po l10n/fr/lib.po l10n/fr/media.po l10n/fr/settings.po l10n/gl/calendar.po l10n/gl/contacts.po 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l10n/it/files.po l10n/it/gallery.po l10n/it/lib.po l10n/it/settings.po l10n/ja_JP/calendar.po l10n/ja_JP/contacts.po l10n/ja_JP/core.po l10n/ja_JP/files.po l10n/ja_JP/files_sharing.po l10n/ja_JP/lib.po l10n/ja_JP/settings.po l10n/ko/calendar.po l10n/ko/contacts.po l10n/ko/core.po l10n/ko/files.po l10n/ko/lib.po l10n/ko/settings.po l10n/ku_IQ/core.po l10n/ku_IQ/files.po l10n/ku_IQ/lib.po l10n/ku_IQ/settings.po l10n/lb/calendar.po l10n/lb/contacts.po l10n/lb/core.po l10n/lb/files.po l10n/lb/lib.po l10n/lb/settings.po l10n/lt_LT/calendar.po l10n/lt_LT/contacts.po l10n/lt_LT/core.po l10n/lt_LT/files.po l10n/lt_LT/files_external.po l10n/lt_LT/files_versions.po l10n/lt_LT/lib.po l10n/lt_LT/settings.po l10n/lv/core.po l10n/lv/files.po l10n/lv/lib.po l10n/lv/settings.po l10n/mk/calendar.po l10n/mk/contacts.po l10n/mk/core.po l10n/mk/files.po l10n/mk/lib.po l10n/mk/settings.po l10n/ms_MY/calendar.po l10n/ms_MY/contacts.po l10n/ms_MY/core.po l10n/ms_MY/files.po l10n/ms_MY/lib.po 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l10n/zh_TW/contacts.po l10n/zh_TW/core.po l10n/zh_TW/files.po l10n/zh_TW/lib.po l10n/zh_TW/settings.po lib/MDB2/Driver/sqlite3.php lib/app.php lib/appconfig.php lib/archive.php lib/archive/tar.php lib/archive/zip.php lib/base.php lib/connector/sabre/auth.php lib/connector/sabre/directory.php lib/connector/sabre/file.php lib/connector/sabre/locks.php lib/connector/sabre/node.php lib/db.php lib/eventsource.php lib/filecache.php lib/filecache/cached.php lib/filecache/update.php lib/filechunking.php lib/fileproxy.php lib/fileproxy/fileoperations.php lib/fileproxy/quota.php lib/files.php lib/filestorage.php lib/filestorage/common.php lib/filestorage/commontest.php lib/filestorage/local.php lib/filesystem.php lib/filesystemview.php lib/group.php lib/group/dummy.php lib/group/example.php lib/helper.php lib/image.php lib/installer.php lib/json.php lib/l10n.php lib/l10n/ca.php lib/l10n/cs_CZ.php lib/l10n/da.php lib/l10n/de.php lib/l10n/el.php lib/l10n/eo.php lib/l10n/es.php lib/l10n/es_AR.php 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lib/vcategories.php lib/vobject.php public.php remote.php search/ajax/search.php settings/admin.php settings/ajax/apps/ocs.php settings/ajax/changepassword.php settings/ajax/creategroup.php settings/ajax/createuser.php settings/ajax/disableapp.php settings/ajax/enableapp.php settings/ajax/getlog.php settings/ajax/lostpassword.php settings/ajax/openid.php settings/ajax/removegroup.php settings/ajax/removeuser.php settings/ajax/setlanguage.php settings/ajax/setloglevel.php settings/ajax/setquota.php settings/ajax/togglegroups.php settings/ajax/togglesubadmins.php settings/ajax/userlist.php settings/apps.php settings/css/settings.css settings/help.php settings/js/apps.js settings/js/users.js settings/l10n/ar.php settings/l10n/bg_BG.php settings/l10n/ca.php settings/l10n/cs_CZ.php settings/l10n/da.php settings/l10n/de.php settings/l10n/el.php settings/l10n/eo.php settings/l10n/es.php settings/l10n/es_AR.php settings/l10n/et_EE.php settings/l10n/eu.php settings/l10n/fa.php 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settings/templates/users.php settings/trans.png settings/users.php tests/bootstrap.php tests/data/db_structure.xml tests/lib/archive.php tests/lib/cache.php tests/lib/cache/apc.php tests/lib/cache/xcache.php tests/lib/db.php tests/lib/filesystem.php tests/lib/geo.php tests/lib/share/share.php tests/lib/streamwrappers.php tests/lib/util.php tests/phpunit.xml
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* and then fopen('crypt://streams/foo');
*/
namespace OCA\Encryption;
/**
* @brief Provides 'crypt://' stream wrapper protocol.
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* @note We use a stream wrapper because it is the most secure way to handle
* decrypted content transfers. There is no safe way to decrypt the entire file
* somewhere on the server, so we have to encrypt and decrypt blocks on the fly.
* @note Paths used with this protocol MUST BE RELATIVE. Use URLs like:
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* crypt://filename, or crypt://subdirectory/filename, NOT
* crypt:///home/user/owncloud/data. Otherwise keyfiles will be put in
* [owncloud]/data/user/files_encryption/keyfiles/home/user/owncloud/data and
Merge branch 'master' into files_encryption Encryption unit tests still failing, needs work Conflicts: 3rdparty/Archive/Tar.php 3rdparty/MDB2/Driver/Datatype/Common.php 3rdparty/MDB2/Driver/mysql.php 3rdparty/Sabre/CalDAV/CalendarQueryValidator.php 3rdparty/Sabre/CalDAV/Plugin.php 3rdparty/Sabre/CalDAV/Version.php 3rdparty/Sabre/CardDAV/AddressBook.php 3rdparty/Sabre/CardDAV/AddressBookQueryParser.php 3rdparty/Sabre/CardDAV/Plugin.php 3rdparty/Sabre/CardDAV/Version.php 3rdparty/Sabre/DAV/Client.php 3rdparty/Sabre/DAV/Locks/Plugin.php 3rdparty/Sabre/DAV/Server.php 3rdparty/Sabre/DAV/Tree/Filesystem.php 3rdparty/Sabre/DAV/Version.php 3rdparty/Sabre/HTTP/BasicAuth.php 3rdparty/Sabre/HTTP/Version.php 3rdparty/Sabre/VObject/Component/VEvent.php 3rdparty/Sabre/VObject/DateTimeParser.php 3rdparty/Sabre/VObject/RecurrenceIterator.php 3rdparty/Sabre/VObject/Version.php 3rdparty/class.phpmailer.php 3rdparty/class.smtp.php 3rdparty/css/chosen-sprite.png 3rdparty/css/chosen.css 3rdparty/css/chosen/chosen.css 3rdparty/fullcalendar/css/fullcalendar.css 3rdparty/fullcalendar/css/fullcalendar.print.css 3rdparty/fullcalendar/js/fullcalendar.js 3rdparty/fullcalendar/js/fullcalendar.min.js 3rdparty/fullcalendar/js/gcal.js 3rdparty/js/chosen/VERSION 3rdparty/js/chosen/chosen.jquery.js 3rdparty/js/chosen/chosen.jquery.min.js 3rdparty/openid/class.openid.v3.php 3rdparty/openid/phpmyid.php 3rdparty/php-cloudfiles/cloudfiles.php 3rdparty/smb4php/smb.php 3rdparty/timepicker/css/jquery.ui.timepicker.css 3rdparty/timepicker/js/i18n/i18n.html 3rdparty/timepicker/js/i18n/jquery.ui.timepicker-de.js 3rdparty/timepicker/js/i18n/jquery.ui.timepicker-ja.js 3rdparty/timepicker/js/jquery.ui.timepicker.js 3rdparty/timepicker/releases.txt README apps/files/admin.php apps/files/ajax/autocomplete.php apps/files/ajax/move.php apps/files/ajax/newfile.php apps/files/ajax/scan.php apps/files/ajax/timezone.php apps/files/ajax/upload.php apps/files/appinfo/filesync.php apps/files/appinfo/update.php apps/files/css/files.css apps/files/index.php apps/files/js/fileactions.js apps/files/js/filelist.js apps/files/js/files.js apps/files/l10n/ar.php apps/files/l10n/bg_BG.php apps/files/l10n/ca.php apps/files/l10n/cs_CZ.php apps/files/l10n/da.php apps/files/l10n/de.php apps/files/l10n/el.php apps/files/l10n/eo.php apps/files/l10n/es.php apps/files/l10n/es_AR.php apps/files/l10n/et_EE.php apps/files/l10n/eu.php apps/files/l10n/fa.php apps/files/l10n/fi_FI.php apps/files/l10n/fr.php apps/files/l10n/gl.php apps/files/l10n/he.php apps/files/l10n/hr.php apps/files/l10n/hu_HU.php apps/files/l10n/ia.php apps/files/l10n/id.php apps/files/l10n/it.php apps/files/l10n/ja_JP.php apps/files/l10n/ko.php apps/files/l10n/lb.php apps/files/l10n/lt_LT.php apps/files/l10n/lv.php apps/files/l10n/mk.php apps/files/l10n/ms_MY.php apps/files/l10n/nb_NO.php apps/files/l10n/nl.php apps/files/l10n/nn_NO.php apps/files/l10n/oc.php apps/files/l10n/pl.php apps/files/l10n/pt_BR.php apps/files/l10n/pt_PT.php apps/files/l10n/ro.php apps/files/l10n/ru.php apps/files/l10n/ru_RU.php apps/files/l10n/si_LK.php apps/files/l10n/sk_SK.php apps/files/l10n/sl.php apps/files/l10n/sr.php apps/files/l10n/sr@latin.php apps/files/l10n/sv.php apps/files/l10n/th_TH.php apps/files/l10n/tr.php apps/files/l10n/uk.php apps/files/l10n/vi.php apps/files/l10n/zh_CN.GB2312.php apps/files/l10n/zh_CN.php apps/files/l10n/zh_TW.php apps/files/templates/admin.php apps/files/templates/index.php apps/files/templates/part.breadcrumb.php apps/files/templates/part.list.php apps/files_encryption/appinfo/app.php apps/files_encryption/appinfo/info.xml apps/files_encryption/js/settings.js apps/files_encryption/l10n/fa.php apps/files_encryption/l10n/sl.php apps/files_encryption/lib/crypt.php apps/files_encryption/lib/cryptstream.php apps/files_encryption/lib/proxy.php apps/files_encryption/settings.php apps/files_encryption/templates/settings.php apps/files_encryption/tests/encryption.php 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apps/files_sharing/lib/sharedstorage.php apps/files_sharing/public.php apps/files_sharing/templates/public.php apps/files_versions/l10n/et_EE.php apps/files_versions/l10n/lt_LT.php apps/files_versions/l10n/nb_NO.php apps/files_versions/l10n/nl.php apps/files_versions/l10n/ru.php apps/files_versions/l10n/sl.php apps/files_versions/l10n/vi.php apps/files_versions/lib/hooks.php apps/files_versions/lib/versions.php apps/user_ldap/appinfo/database.xml apps/user_ldap/appinfo/update.php apps/user_ldap/group_ldap.php apps/user_ldap/l10n/da.php apps/user_ldap/l10n/et_EE.php apps/user_ldap/l10n/pt_PT.php apps/user_ldap/l10n/sl.php apps/user_ldap/l10n/vi.php apps/user_ldap/l10n/zh_CN.php apps/user_ldap/lib/access.php apps/user_ldap/lib/connection.php apps/user_ldap/settings.php apps/user_ldap/templates/settings.php apps/user_ldap/tests/group_ldap.php apps/user_ldap/user_ldap.php apps/user_webdavauth/appinfo/app.php apps/user_webdavauth/appinfo/info.xml apps/user_webdavauth/settings.php apps/user_webdavauth/templates/settings.php apps/user_webdavauth/user_webdavauth.php autotest.sh core/ajax/appconfig.php core/ajax/share.php core/ajax/translations.php core/ajax/vcategories/add.php core/ajax/vcategories/delete.php core/ajax/vcategories/edit.php core/css/share.css core/js/eventsource.js core/js/js.js core/js/oc-vcategories.js core/js/share.js core/l10n/ar.php core/l10n/bg_BG.php core/l10n/ca.php core/l10n/cs_CZ.php core/l10n/da.php core/l10n/de.php core/l10n/el.php core/l10n/eo.php core/l10n/es.php core/l10n/es_AR.php core/l10n/et_EE.php core/l10n/eu.php core/l10n/fa.php core/l10n/fi_FI.php core/l10n/fr.php core/l10n/gl.php core/l10n/he.php core/l10n/hi.php core/l10n/hr.php core/l10n/hu_HU.php core/l10n/ia.php core/l10n/id.php core/l10n/it.php core/l10n/ja_JP.php core/l10n/ko.php core/l10n/ku_IQ.php core/l10n/lb.php core/l10n/lt_LT.php core/l10n/lv.php core/l10n/mk.php core/l10n/ms_MY.php core/l10n/nb_NO.php core/l10n/nl.php core/l10n/nn_NO.php core/l10n/oc.php core/l10n/pl.php core/l10n/pt_BR.php core/l10n/pt_PT.php core/l10n/ro.php core/l10n/ru.php core/l10n/ru_RU.php core/l10n/si_LK.php core/l10n/sk_SK.php core/l10n/sl.php core/l10n/sr.php core/l10n/sr@latin.php core/l10n/sv.php core/l10n/th_TH.php core/l10n/tr.php core/l10n/uk.php core/l10n/vi.php core/l10n/zh_CN.GB2312.php core/l10n/zh_CN.php core/l10n/zh_TW.php core/lostpassword/index.php core/lostpassword/resetpassword.php core/templates/layout.base.php core/templates/layout.guest.php core/templates/layout.user.php cron.php db_structure.xml files/webdav.php index.php l10n/.tx/config l10n/af/calendar.po l10n/af/contacts.po l10n/af/core.po l10n/af/files.po l10n/ar/calendar.po l10n/ar/contacts.po l10n/ar/core.po l10n/ar/files.po l10n/ar/files_encryption.po l10n/ar/lib.po l10n/ar/media.po l10n/ar/settings.po l10n/ar_SA/core.po l10n/ar_SA/files.po l10n/bg_BG/calendar.po l10n/bg_BG/contacts.po l10n/bg_BG/core.po l10n/bg_BG/files.po l10n/bg_BG/lib.po l10n/bg_BG/media.po l10n/bg_BG/settings.po l10n/ca/calendar.po l10n/ca/contacts.po l10n/ca/core.po l10n/ca/files.po l10n/ca/gallery.po l10n/ca/lib.po l10n/ca/settings.po l10n/cs_CZ/calendar.po l10n/cs_CZ/contacts.po l10n/cs_CZ/core.po l10n/cs_CZ/files.po l10n/cs_CZ/files_external.po l10n/cs_CZ/gallery.po l10n/cs_CZ/lib.po l10n/cs_CZ/settings.po l10n/da/calendar.po l10n/da/contacts.po l10n/da/core.po l10n/da/files.po l10n/da/lib.po l10n/da/settings.po l10n/da/user_ldap.po l10n/de/calendar.po l10n/de/contacts.po l10n/de/core.po l10n/de/files.po l10n/de/files_sharing.po l10n/de/gallery.po l10n/de/lib.po l10n/de/settings.po l10n/de_DE/core.po l10n/de_DE/files.po l10n/de_DE/settings.po l10n/el/calendar.po l10n/el/contacts.po l10n/el/core.po l10n/el/files.po l10n/el/gallery.po l10n/el/lib.po l10n/el/settings.po l10n/eo/calendar.po l10n/eo/contacts.po l10n/eo/core.po l10n/eo/files.po l10n/eo/lib.po l10n/eo/media.po l10n/eo/settings.po l10n/es/calendar.po l10n/es/contacts.po l10n/es/core.po l10n/es/files.po l10n/es/gallery.po l10n/es/lib.po l10n/es/settings.po l10n/es_AR/core.po l10n/es_AR/files.po l10n/es_AR/lib.po l10n/es_AR/settings.po l10n/et_EE/calendar.po l10n/et_EE/contacts.po l10n/et_EE/core.po l10n/et_EE/files.po l10n/et_EE/files_external.po l10n/et_EE/files_sharing.po l10n/et_EE/files_versions.po l10n/et_EE/lib.po l10n/et_EE/settings.po l10n/et_EE/user_ldap.po l10n/eu/calendar.po l10n/eu/contacts.po l10n/eu/core.po l10n/eu/files.po l10n/eu/lib.po l10n/eu/settings.po l10n/eu_ES/core.po l10n/eu_ES/files.po l10n/fa/calendar.po l10n/fa/contacts.po l10n/fa/core.po l10n/fa/files.po l10n/fa/files_encryption.po l10n/fa/lib.po l10n/fa/settings.po l10n/fi/core.po l10n/fi/files.po l10n/fi_FI/calendar.po l10n/fi_FI/contacts.po l10n/fi_FI/core.po l10n/fi_FI/files.po l10n/fi_FI/gallery.po l10n/fi_FI/lib.po l10n/fi_FI/settings.po l10n/fr/calendar.po l10n/fr/contacts.po l10n/fr/core.po l10n/fr/files.po l10n/fr/gallery.po l10n/fr/lib.po l10n/fr/media.po l10n/fr/settings.po l10n/gl/calendar.po l10n/gl/contacts.po l10n/gl/core.po l10n/gl/files.po l10n/gl/lib.po l10n/gl/settings.po l10n/he/calendar.po l10n/he/contacts.po l10n/he/core.po l10n/he/files.po l10n/he/lib.po l10n/he/settings.po l10n/hi/core.po l10n/hi/files.po l10n/hi/lib.po l10n/hi/settings.po l10n/hr/calendar.po l10n/hr/contacts.po l10n/hr/core.po l10n/hr/files.po l10n/hr/lib.po l10n/hr/settings.po l10n/hu_HU/calendar.po l10n/hu_HU/contacts.po l10n/hu_HU/core.po l10n/hu_HU/files.po l10n/hu_HU/lib.po l10n/hu_HU/settings.po l10n/hy/calendar.po l10n/hy/contacts.po l10n/hy/core.po l10n/hy/files.po l10n/ia/calendar.po l10n/ia/contacts.po l10n/ia/core.po l10n/ia/files.po l10n/ia/lib.po l10n/ia/settings.po l10n/id/calendar.po l10n/id/contacts.po l10n/id/core.po l10n/id/files.po l10n/id/files_encryption.po l10n/id/files_external.po l10n/id/files_sharing.po l10n/id/files_versions.po l10n/id/lib.po l10n/id/settings.po l10n/id/user_ldap.po l10n/id_ID/core.po l10n/id_ID/files.po l10n/it/calendar.po l10n/it/contacts.po l10n/it/core.po l10n/it/files.po l10n/it/gallery.po l10n/it/lib.po l10n/it/settings.po l10n/ja_JP/calendar.po l10n/ja_JP/contacts.po l10n/ja_JP/core.po l10n/ja_JP/files.po l10n/ja_JP/files_sharing.po l10n/ja_JP/lib.po l10n/ja_JP/settings.po l10n/ko/calendar.po l10n/ko/contacts.po l10n/ko/core.po l10n/ko/files.po l10n/ko/lib.po l10n/ko/settings.po l10n/ku_IQ/core.po l10n/ku_IQ/files.po l10n/ku_IQ/lib.po l10n/ku_IQ/settings.po l10n/lb/calendar.po l10n/lb/contacts.po l10n/lb/core.po l10n/lb/files.po l10n/lb/lib.po l10n/lb/settings.po l10n/lt_LT/calendar.po l10n/lt_LT/contacts.po l10n/lt_LT/core.po l10n/lt_LT/files.po l10n/lt_LT/files_external.po l10n/lt_LT/files_versions.po l10n/lt_LT/lib.po l10n/lt_LT/settings.po l10n/lv/core.po l10n/lv/files.po l10n/lv/lib.po l10n/lv/settings.po l10n/mk/calendar.po l10n/mk/contacts.po l10n/mk/core.po l10n/mk/files.po l10n/mk/lib.po l10n/mk/settings.po l10n/ms_MY/calendar.po l10n/ms_MY/contacts.po l10n/ms_MY/core.po l10n/ms_MY/files.po l10n/ms_MY/lib.po l10n/ms_MY/settings.po l10n/nb_NO/calendar.po l10n/nb_NO/contacts.po l10n/nb_NO/core.po l10n/nb_NO/files.po l10n/nb_NO/files_sharing.po l10n/nb_NO/files_versions.po l10n/nb_NO/gallery.po l10n/nb_NO/lib.po l10n/nb_NO/settings.po l10n/nb_NO/user_ldap.po l10n/nl/calendar.po l10n/nl/contacts.po l10n/nl/core.po l10n/nl/files.po l10n/nl/files_external.po l10n/nl/files_versions.po l10n/nl/gallery.po l10n/nl/lib.po l10n/nl/settings.po l10n/nl/user_ldap.po l10n/nn_NO/calendar.po l10n/nn_NO/contacts.po l10n/nn_NO/core.po l10n/nn_NO/files.po l10n/nn_NO/lib.po l10n/nn_NO/settings.po l10n/oc/core.po l10n/oc/files.po l10n/oc/lib.po l10n/oc/settings.po l10n/pl/calendar.po l10n/pl/contacts.po l10n/pl/core.po l10n/pl/files.po l10n/pl/gallery.po l10n/pl/lib.po l10n/pl/settings.po l10n/pl_PL/core.po l10n/pl_PL/files.po l10n/pl_PL/lib.po l10n/pl_PL/settings.po l10n/pt_BR/calendar.po l10n/pt_BR/contacts.po l10n/pt_BR/core.po l10n/pt_BR/files.po l10n/pt_BR/lib.po l10n/pt_BR/settings.po l10n/pt_PT/calendar.po l10n/pt_PT/contacts.po l10n/pt_PT/core.po l10n/pt_PT/files.po l10n/pt_PT/gallery.po l10n/pt_PT/lib.po l10n/pt_PT/settings.po l10n/pt_PT/user_ldap.po l10n/ro/calendar.po l10n/ro/contacts.po l10n/ro/core.po l10n/ro/files.po l10n/ro/lib.po l10n/ro/settings.po l10n/ru/calendar.po l10n/ru/contacts.po l10n/ru/core.po l10n/ru/files.po l10n/ru/files_external.po l10n/ru/files_sharing.po l10n/ru/files_versions.po l10n/ru/gallery.po l10n/ru/lib.po l10n/ru/settings.po l10n/ru_RU/core.po l10n/ru_RU/files.po l10n/ru_RU/lib.po l10n/ru_RU/settings.po l10n/si_LK/core.po l10n/si_LK/files.po l10n/si_LK/files_encryption.po l10n/si_LK/files_external.po l10n/si_LK/files_sharing.po l10n/si_LK/files_versions.po l10n/si_LK/lib.po l10n/si_LK/settings.po l10n/si_LK/user_ldap.po l10n/sk_SK/calendar.po l10n/sk_SK/contacts.po l10n/sk_SK/core.po l10n/sk_SK/files.po l10n/sk_SK/files_external.po l10n/sk_SK/lib.po l10n/sk_SK/settings.po l10n/sk_SK/user_ldap.po l10n/sl/calendar.po l10n/sl/contacts.po l10n/sl/core.po l10n/sl/files.po l10n/sl/files_encryption.po l10n/sl/files_external.po l10n/sl/files_sharing.po l10n/sl/files_versions.po l10n/sl/gallery.po l10n/sl/lib.po l10n/sl/settings.po l10n/sl/user_ldap.po l10n/so/core.po l10n/so/files.po l10n/sr/calendar.po l10n/sr/contacts.po l10n/sr/core.po l10n/sr/files.po l10n/sr/lib.po l10n/sr/settings.po l10n/sr@latin/calendar.po l10n/sr@latin/contacts.po l10n/sr@latin/core.po l10n/sr@latin/files.po l10n/sr@latin/lib.po l10n/sr@latin/settings.po l10n/sv/calendar.po l10n/sv/contacts.po l10n/sv/core.po l10n/sv/files.po l10n/sv/gallery.po l10n/sv/lib.po l10n/sv/media.po l10n/sv/settings.po l10n/ta_LK/core.po l10n/ta_LK/files.po l10n/ta_LK/lib.po l10n/ta_LK/settings.po l10n/templates/core.pot l10n/templates/files.pot l10n/templates/files_encryption.pot l10n/templates/files_external.pot l10n/templates/files_sharing.pot l10n/templates/files_versions.pot l10n/templates/lib.pot l10n/templates/settings.pot l10n/templates/user_ldap.pot l10n/th_TH/calendar.po l10n/th_TH/contacts.po l10n/th_TH/core.po l10n/th_TH/files.po l10n/th_TH/gallery.po l10n/th_TH/lib.po l10n/th_TH/settings.po l10n/tr/calendar.po l10n/tr/contacts.po l10n/tr/core.po l10n/tr/files.po l10n/tr/gallery.po l10n/tr/lib.po l10n/tr/settings.po l10n/uk/calendar.po l10n/uk/contacts.po l10n/uk/core.po l10n/uk/files.po l10n/uk/files_encryption.po l10n/uk/files_versions.po l10n/uk/lib.po l10n/uk/media.po l10n/uk/settings.po l10n/vi/core.po l10n/vi/files.po l10n/vi/files_external.po l10n/vi/files_sharing.po l10n/vi/files_versions.po l10n/vi/lib.po l10n/vi/settings.po l10n/vi/user_ldap.po l10n/zh_CN.GB2312/core.po l10n/zh_CN.GB2312/files.po l10n/zh_CN.GB2312/lib.po l10n/zh_CN.GB2312/settings.po l10n/zh_CN/calendar.po l10n/zh_CN/contacts.po l10n/zh_CN/core.po l10n/zh_CN/files.po l10n/zh_CN/files_external.po l10n/zh_CN/gallery.po l10n/zh_CN/lib.po l10n/zh_CN/settings.po l10n/zh_CN/user_ldap.po l10n/zh_TW/calendar.po l10n/zh_TW/contacts.po l10n/zh_TW/core.po l10n/zh_TW/files.po l10n/zh_TW/lib.po l10n/zh_TW/settings.po lib/MDB2/Driver/sqlite3.php lib/app.php lib/appconfig.php lib/archive.php lib/archive/tar.php lib/archive/zip.php lib/base.php lib/connector/sabre/auth.php lib/connector/sabre/directory.php lib/connector/sabre/file.php lib/connector/sabre/locks.php lib/connector/sabre/node.php lib/db.php lib/eventsource.php lib/filecache.php lib/filecache/cached.php lib/filecache/update.php lib/filechunking.php lib/fileproxy.php lib/fileproxy/fileoperations.php lib/fileproxy/quota.php lib/files.php lib/filestorage.php lib/filestorage/common.php lib/filestorage/commontest.php lib/filestorage/local.php lib/filesystem.php lib/filesystemview.php lib/group.php lib/group/dummy.php lib/group/example.php lib/helper.php lib/image.php lib/installer.php lib/json.php lib/l10n.php lib/l10n/ca.php lib/l10n/cs_CZ.php lib/l10n/da.php lib/l10n/de.php lib/l10n/el.php lib/l10n/eo.php lib/l10n/es.php lib/l10n/es_AR.php lib/l10n/et_EE.php lib/l10n/eu.php lib/l10n/fa.php lib/l10n/fi_FI.php lib/l10n/fr.php lib/l10n/gl.php lib/l10n/he.php lib/l10n/hu_HU.php lib/l10n/it.php lib/l10n/ja_JP.php lib/l10n/lt_LT.php lib/l10n/nb_NO.php lib/l10n/nl.php lib/l10n/oc.php lib/l10n/pl.php lib/l10n/pt_BR.php lib/l10n/pt_PT.php lib/l10n/ro.php lib/l10n/ru.php lib/l10n/ru_RU.php lib/l10n/sk_SK.php lib/l10n/sl.php lib/l10n/sv.php lib/l10n/th_TH.php lib/l10n/uk.php lib/l10n/vi.php lib/l10n/zh_CN.GB2312.php lib/l10n/zh_CN.php lib/l10n/zh_TW.php lib/log.php lib/log/owncloud.php lib/mail.php lib/migrate.php lib/migration/content.php lib/minimizer.php lib/ocs.php lib/ocsclient.php lib/preferences.php lib/public/backgroundjob.php lib/public/db.php lib/public/share.php lib/public/util.php lib/request.php lib/search.php lib/search/provider/file.php lib/search/result.php lib/setup.php lib/streamwrappers.php lib/template.php lib/templatelayout.php lib/updater.php lib/user.php lib/user/database.php lib/user/http.php lib/util.php lib/vcategories.php lib/vobject.php public.php remote.php search/ajax/search.php settings/admin.php settings/ajax/apps/ocs.php settings/ajax/changepassword.php settings/ajax/creategroup.php settings/ajax/createuser.php settings/ajax/disableapp.php settings/ajax/enableapp.php settings/ajax/getlog.php settings/ajax/lostpassword.php settings/ajax/openid.php settings/ajax/removegroup.php settings/ajax/removeuser.php settings/ajax/setlanguage.php settings/ajax/setloglevel.php settings/ajax/setquota.php settings/ajax/togglegroups.php settings/ajax/togglesubadmins.php settings/ajax/userlist.php settings/apps.php settings/css/settings.css settings/help.php settings/js/apps.js settings/js/users.js settings/l10n/ar.php settings/l10n/bg_BG.php settings/l10n/ca.php settings/l10n/cs_CZ.php settings/l10n/da.php settings/l10n/de.php settings/l10n/el.php settings/l10n/eo.php settings/l10n/es.php settings/l10n/es_AR.php settings/l10n/et_EE.php settings/l10n/eu.php settings/l10n/fa.php settings/l10n/fi_FI.php settings/l10n/fr.php settings/l10n/gl.php settings/l10n/hr.php settings/l10n/hu_HU.php settings/l10n/id.php settings/l10n/it.php settings/l10n/ja_JP.php settings/l10n/ko.php settings/l10n/lb.php settings/l10n/lt_LT.php settings/l10n/lv.php settings/l10n/ms_MY.php settings/l10n/nb_NO.php settings/l10n/nl.php settings/l10n/nn_NO.php settings/l10n/oc.php settings/l10n/pl.php settings/l10n/pt_BR.php settings/l10n/pt_PT.php settings/l10n/ro.php settings/l10n/ru.php settings/l10n/ru_RU.php settings/l10n/si_LK.php settings/l10n/sk_SK.php settings/l10n/sl.php settings/l10n/sr.php settings/l10n/sr@latin.php settings/l10n/sv.php settings/l10n/th_TH.php settings/l10n/tr.php settings/l10n/uk.php settings/l10n/vi.php settings/l10n/zh_CN.GB2312.php settings/l10n/zh_CN.php settings/l10n/zh_TW.php settings/personal.php settings/settings.php settings/templates/admin.php settings/templates/apps.php settings/templates/help.php settings/templates/personal.php settings/templates/users.php settings/trans.png settings/users.php tests/bootstrap.php tests/data/db_structure.xml tests/lib/archive.php tests/lib/cache.php tests/lib/cache/apc.php tests/lib/cache/xcache.php tests/lib/db.php tests/lib/filesystem.php tests/lib/geo.php tests/lib/share/share.php tests/lib/streamwrappers.php tests/lib/util.php tests/phpunit.xml
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* will not be accessible to other methods.
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* @note Data read and written must always be 8192 bytes long, as this is the
* buffer size used internally by PHP. The encryption process makes the input
* data longer, and input is chunked into smaller pieces in order to result in
* a 8192 encrypted block size.
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* @note When files are deleted via webdav, or when they are updated and the
* previous version deleted, this is handled by OC\Files\View, and thus the
* encryption proxies are used and keyfiles deleted.
*/
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class Stream {
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private $plainKey;
private $encKeyfiles;
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private $rawPath; // The raw path relative to the data dir
private $relPath; // rel path to users file dir
private $userId;
private $keyId;
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private $handle; // Resource returned by fopen
private $meta = array(); // Header / meta for source stream
private $writeCache;
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private $size;
private $unencryptedSize;
private $publicKey;
private $encKeyfile;
private $newFile; // helper var, we only need to write the keyfile for new files
private $isLocalTmpFile = false; // do we operate on a local tmp file
private $localTmpFile; // path of local tmp file
/**
* @var \OC\Files\View
*/
private $rootView; // a fsview object set to '/'
/**
* @var \OCA\Encryption\Session
*/
private $session;
private $privateKey;
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/**
* @param $path raw path relative to data/
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* @param $mode
* @param $options
* @param $opened_path
* @return bool
*/
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public function stream_open($path, $mode, $options, &$opened_path) {
// assume that the file already exist before we decide it finally in getKey()
$this->newFile = false;
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if (!isset($this->rootView)) {
$this->rootView = new \OC_FilesystemView('/');
}
$this->session = new \OCA\Encryption\Session($this->rootView);
$this->privateKey = $this->session->getPrivateKey();
$normalizedPath = \OC\Files\Filesystem::normalizePath(str_replace('crypt://', '', $path));
if ($originalFile = Helper::getPathFromTmpFile($normalizedPath)) {
$this->rawPath = $originalFile;
$this->isLocalTmpFile = true;
$this->localTmpFile = $normalizedPath;
} else {
$this->rawPath = $normalizedPath;
}
$this->userId = Helper::getUser($this->rawPath);
$util = new Util($this->rootView, $this->userId);
// get the key ID which we want to use, can be the users key or the
// public share key
$this->keyId = $util->getKeyId();
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// Strip identifier text from path, this gives us the path relative to data/<user>/files
$this->relPath = Helper::stripUserFilesPath($this->rawPath);
// if raw path doesn't point to a real file, check if it is a version or a file in the trash bin
if ($this->relPath === false) {
$this->relPath = Helper::getPathToRealFile($this->rawPath);
}
if($this->relPath === false) {
\OCP\Util::writeLog('Encryption library', 'failed to open file "' . $this->rawPath . '" expecting a path to "files", "files_versions" or "cache"', \OCP\Util::ERROR);
return false;
}
// Disable fileproxies so we can get the file size and open the source file without recursive encryption
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = false;
if (
$mode === 'w'
or $mode === 'w+'
or $mode === 'wb'
or $mode === 'wb+'
) {
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// We're writing a new file so start write counter with 0 bytes
$this->size = 0;
$this->unencryptedSize = 0;
} else {
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if($this->privateKey === false) {
// if private key is not valid redirect user to a error page
\OCA\Encryption\Helper::redirectToErrorPage($this->session);
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}
$this->size = $this->rootView->filesize($this->rawPath);
}
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if ($this->isLocalTmpFile) {
$this->handle = fopen($this->localTmpFile, $mode);
} else {
$this->handle = $this->rootView->fopen($this->rawPath, $mode);
}
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\OC_FileProxy::$enabled = $proxyStatus;
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if (!is_resource($this->handle)) {
\OCP\Util::writeLog('Encryption library', 'failed to open file "' . $this->rawPath . '"', \OCP\Util::ERROR);
} else {
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$this->meta = stream_get_meta_data($this->handle);
// sometimes fopen changes the mode, e.g. for a url "r" convert to "r+"
// but we need to remember the original access type
$this->meta['mode'] = $mode;
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}
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return is_resource($this->handle);
}
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/**
* @brief Returns the current position of the file pointer
* @return int position of the file pointer
*/
public function stream_tell() {
return ftell($this->handle);
}
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/**
* @param $offset
* @param int $whence
* @return bool true if fseek was successful, otherwise false
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*/
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public function stream_seek($offset, $whence = SEEK_SET) {
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$this->flush();
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// this wrapper needs to return "true" for success.
// the fseek call itself returns 0 on succeess
return !fseek($this->handle, $offset, $whence);
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}
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/**
* @param $count
* @return bool|string
* @throws \Exception
*/
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public function stream_read($count) {
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$this->writeCache = '';
if ($count !== 8192) {
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// $count will always be 8192 https://bugs.php.net/bug.php?id=21641
// This makes this function a lot simpler, but will break this class if the above 'bug' gets 'fixed'
\OCP\Util::writeLog('Encryption library', 'PHP "bug" 21641 no longer holds, decryption system requires refactoring', \OCP\Util::FATAL);
die();
}
// Get the data from the file handle
$data = fread($this->handle, $count);
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$result = null;
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if (strlen($data)) {
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if (!$this->getKey()) {
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// Error! We don't have a key to decrypt the file with
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throw new \Exception(
'Encryption key not found for "' . $this->rawPath . '" during attempted read via stream');
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} else {
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// Decrypt data
$result = Crypt::symmetricDecryptFileContent($data, $this->plainKey);
}
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}
return $result;
}
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/**
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* @brief Encrypt and pad data ready for writing to disk
* @param string $plainData data to be encrypted
* @param string $key key to use for encryption
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* @return string encrypted data on success, false on failure
*/
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public function preWriteEncrypt($plainData, $key) {
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// Encrypt data to 'catfile', which includes IV
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if ($encrypted = Crypt::symmetricEncryptFileContent($plainData, $key)) {
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return $encrypted;
} else {
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return false;
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}
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}
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/**
* @brief Fetch the plain encryption key for the file and set it as plainKey property
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* @internal param bool $generate if true, a new key will be generated if none can be found
* @return bool true on key found and set, false on key not found and new key generated and set
*/
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public function getKey() {
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// Check if key is already set
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if (isset($this->plainKey) && isset($this->encKeyfile)) {
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return true;
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}
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// Fetch and decrypt keyfile
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// Fetch existing keyfile
$util = new \OCA\Encryption\Util($this->rootView, $this->userId);
$this->encKeyfile = Keymanager::getFileKey($this->rootView, $util, $this->relPath);
// If a keyfile already exists
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if ($this->encKeyfile) {
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$shareKey = Keymanager::getShareKey($this->rootView, $this->keyId, $util, $this->relPath);
// if there is no valid private key return false
if ($this->privateKey === false) {
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// if private key is not valid redirect user to a error page
\OCA\Encryption\Helper::redirectToErrorPage($this->session);
return false;
}
if ($shareKey === false) {
// if no share key is available redirect user to a error page
\OCA\Encryption\Helper::redirectToErrorPage($this->session, \OCA\Encryption\Crypt::ENCRYPTION_NO_SHARE_KEY_FOUND);
return false;
}
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$this->plainKey = Crypt::multiKeyDecrypt($this->encKeyfile, $shareKey, $this->privateKey);
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return true;
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} else {
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$this->newFile = true;
return false;
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}
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}
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/**
* @brief Handle plain data from the stream, and write it in 8192 byte blocks
* @param string $data data to be written to disk
* @note the data will be written to the path stored in the stream handle, set in stream_open()
* @note $data is only ever be a maximum of 8192 bytes long. This is set by PHP internally. stream_write() is called multiple times in a loop on data larger than 8192 bytes
* @note Because the encryption process used increases the length of $data, a writeCache is used to carry over data which would not fit in the required block size
* @note Padding is added to each encrypted block to ensure that the resulting block is exactly 8192 bytes. This is removed during stream_read
* @note PHP automatically updates the file pointer after writing data to reflect it's length. There is generally no need to update the poitner manually using fseek
*/
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public function stream_write($data) {
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// if there is no valid private key return false
if ($this->privateKey === false) {
$this->size = 0;
return strlen($data);
}
// Disable the file proxies so that encryption is not
// automatically attempted when the file is written to disk -
// we are handling that separately here and we don't want to
// get into an infinite loop
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$proxyStatus = \OC_FileProxy::$enabled;
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\OC_FileProxy::$enabled = false;
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// Get the length of the unencrypted data that we are handling
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$length = strlen($data);
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// Find out where we are up to in the writing of data to the
// file
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$pointer = ftell($this->handle);
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// Get / generate the keyfile for the file we're handling
// If we're writing a new file (not overwriting an existing
// one), save the newly generated keyfile
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if (!$this->getKey()) {
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$this->plainKey = Crypt::generateKey();
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}
// If extra data is left over from the last round, make sure it
// is integrated into the next 6126 / 8192 block
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if ($this->writeCache) {
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// Concat writeCache to start of $data
$data = $this->writeCache . $data;
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// Clear the write cache, ready for reuse - it has been
// flushed and its old contents processed
$this->writeCache = '';
}
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// While there still remains some data to be processed & written
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while (strlen($data) > 0) {
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// Remaining length for this iteration, not of the
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// entire file (may be greater than 8192 bytes)
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$remainingLength = strlen($data);
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// If data remaining to be written is less than the
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// size of 1 6126 byte block
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if ($remainingLength < 6126) {
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// Set writeCache to contents of $data
// The writeCache will be carried over to the
// next write round, and added to the start of
// $data to ensure that written blocks are
// always the correct length. If there is still
// data in writeCache after the writing round
// has finished, then the data will be written
// to disk by $this->flush().
$this->writeCache = $data;
// Clear $data ready for next round
$data = '';
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} else {
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// Read the chunk from the start of $data
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$chunk = substr($data, 0, 6126);
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$encrypted = $this->preWriteEncrypt($chunk, $this->plainKey);
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// Write the data chunk to disk. This will be
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// attended to the last data chunk if the file
// being handled totals more than 6126 bytes
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fwrite($this->handle, $encrypted);
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// Remove the chunk we just processed from
// $data, leaving only unprocessed data in $data
// var, for handling on the next round
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$data = substr($data, 6126);
}
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}
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$this->size = max($this->size, $pointer + $length);
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$this->unencryptedSize += $length;
\OC_FileProxy::$enabled = $proxyStatus;
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return $length;
}
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/**
* @param $option
* @param $arg1
* @param $arg2
*/
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public function stream_set_option($option, $arg1, $arg2) {
$return = false;
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switch ($option) {
case STREAM_OPTION_BLOCKING:
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$return = stream_set_blocking($this->handle, $arg1);
break;
case STREAM_OPTION_READ_TIMEOUT:
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$return = stream_set_timeout($this->handle, $arg1, $arg2);
break;
case STREAM_OPTION_WRITE_BUFFER:
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$return = stream_set_write_buffer($this->handle, $arg1);
}
return $return;
}
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/**
* @return array
*/
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public function stream_stat() {
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return fstat($this->handle);
}
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/**
* @param $mode
*/
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public function stream_lock($mode) {
return flock($this->handle, $mode);
}
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/**
* @return bool
*/
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public function stream_flush() {
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return fflush($this->handle);
// Not a typo: http://php.net/manual/en/function.fflush.php
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}
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/**
* @return bool
*/
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public function stream_eof() {
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return feof($this->handle);
}
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private function flush() {
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if ($this->writeCache) {
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// Set keyfile property for file in question
$this->getKey();
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$encrypted = $this->preWriteEncrypt($this->writeCache, $this->plainKey);
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fwrite($this->handle, $encrypted);
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$this->writeCache = '';
}
}
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/**
* @return bool
*/
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public function stream_close() {
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$this->flush();
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// if there is no valid private key return false
if ($this->privateKey === false) {
// cleanup
if ($this->meta['mode'] !== 'r' && $this->meta['mode'] !== 'rb' && !$this->isLocalTmpFile) {
// Disable encryption proxy to prevent recursive calls
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = false;
if ($this->rootView->file_exists($this->rawPath) && $this->size === 0) {
$this->rootView->unlink($this->rawPath);
}
// Re-enable proxy - our work is done
\OC_FileProxy::$enabled = $proxyStatus;
}
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// if private key is not valid redirect user to a error page
\OCA\Encryption\Helper::redirectToErrorPage($this->session);
}
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if (
$this->meta['mode'] !== 'r' &&
$this->meta['mode'] !== 'rb' &&
$this->isLocalTmpFile === false &&
$this->size > 0 &&
$this->unencryptedSize > 0
) {
// only write keyfiles if it was a new file
if ($this->newFile === true) {
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// Disable encryption proxy to prevent recursive calls
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = false;
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// Fetch user's public key
$this->publicKey = Keymanager::getPublicKey($this->rootView, $this->keyId);
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// Check if OC sharing api is enabled
$sharingEnabled = \OCP\Share::isEnabled();
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$util = new Util($this->rootView, $this->userId);
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// Get all users sharing the file includes current user
$uniqueUserIds = $util->getSharingUsersArray($sharingEnabled, $this->relPath, $this->userId);
$checkedUserIds = $util->filterShareReadyUsers($uniqueUserIds);
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// Fetch public keys for all sharing users
$publicKeys = Keymanager::getPublicKeys($this->rootView, $checkedUserIds['ready']);
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// Encrypt enc key for all sharing users
$this->encKeyfiles = Crypt::multiKeyEncrypt($this->plainKey, $publicKeys);
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// Save the new encrypted file key
Keymanager::setFileKey($this->rootView, $util, $this->relPath, $this->encKeyfiles['data']);
// Save the sharekeys
Keymanager::setShareKeys($this->rootView, $util, $this->relPath, $this->encKeyfiles['keys']);
// Re-enable proxy - our work is done
\OC_FileProxy::$enabled = $proxyStatus;
}
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// we need to update the file info for the real file, not for the
// part file.
$path = Helper::stripPartialFileExtension($this->rawPath);
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// get file info
$fileInfo = $this->rootView->getFileInfo($path);
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if ($fileInfo) {
// set encryption data
$fileInfo['encrypted'] = true;
$fileInfo['size'] = $this->size;
$fileInfo['unencrypted_size'] = $this->unencryptedSize;
// set fileinfo
$this->rootView->putFileInfo($path, $fileInfo);
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}
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}
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return fclose($this->handle);
}
}