shredding
This commit is contained in:
parent
834718afcc
commit
e89c72e06a
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@ -1,4 +1,4 @@
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webroot = "www"
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webroot = "./www"
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lport = "5000"
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vhost = "hardfiles.org"
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dbfile = "dbfile.db"
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10
go.mod
10
go.mod
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@ -3,18 +3,18 @@ module hardfiles
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go 1.21.0
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require (
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github.com/boltdb/bolt v1.3.1
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github.com/gabriel-vasile/mimetype v1.4.2
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github.com/BurntSushi/toml v1.3.2
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github.com/gabriel-vasile/mimetype v1.4.3
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github.com/gorilla/mux v1.8.0
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github.com/landlock-lsm/go-landlock v0.0.0-20230607164353-b03374193cb2
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github.com/rs/zerolog v1.31.0
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go.etcd.io/bbolt v1.3.8
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)
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require (
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github.com/BurntSushi/toml v1.3.2 // indirect
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github.com/mattn/go-colorable v0.1.13 // indirect
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github.com/mattn/go-isatty v0.0.19 // indirect
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golang.org/x/net v0.8.0 // indirect
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golang.org/x/sys v0.12.0 // indirect
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golang.org/x/net v0.17.0 // indirect
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golang.org/x/sys v0.13.0 // indirect
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kernel.org/pub/linux/libs/security/libcap/psx v1.2.66 // indirect
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)
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23
go.sum
23
go.sum
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@ -1,10 +1,10 @@
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github.com/BurntSushi/toml v1.3.2 h1:o7IhLm0Msx3BaB+n3Ag7L8EVlByGnpq14C4YWiu/gL8=
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github.com/BurntSushi/toml v1.3.2/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
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github.com/boltdb/bolt v1.3.1 h1:JQmyP4ZBrce+ZQu0dY660FMfatumYDLun9hBCUVIkF4=
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github.com/boltdb/bolt v1.3.1/go.mod h1:clJnj/oiGkjum5o1McbSZDSLxVThjynRyGBgiAx27Ps=
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github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
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github.com/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU=
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github.com/gabriel-vasile/mimetype v1.4.2/go.mod h1:zApsH/mKG4w07erKIaJPFiX0Tsq9BFQgN3qGY5GnNgA=
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github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/gabriel-vasile/mimetype v1.4.3 h1:in2uUcidCuFcDKtdcBxlR0rJ1+fsokWf+uqxgUFjbI0=
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github.com/gabriel-vasile/mimetype v1.4.3/go.mod h1:d8uq/6HKRL6CGdk+aubisF/M5GcPfT7nKyLpA0lbSSk=
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github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
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github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
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github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
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@ -16,14 +16,23 @@ github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/
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github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA=
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github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
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github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
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github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/rs/xid v1.5.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
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github.com/rs/zerolog v1.31.0 h1:FcTR3NnLWW+NnTwwhFWiJSZr4ECLpqCm6QsEnyvbV4A=
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github.com/rs/zerolog v1.31.0/go.mod h1:/7mN4D5sKwJLZQ2b/znpjC3/GQWY/xaDXUM0kKWRHss=
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golang.org/x/net v0.8.0 h1:Zrh2ngAOFYneWTAIAPethzeaQLuHwhuBkuV6ZiRnUaQ=
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golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc=
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github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
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github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
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go.etcd.io/bbolt v1.3.8 h1:xs88BrvEv273UsB79e0hcVrlUWmS0a8upikMFhSyAtA=
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go.etcd.io/bbolt v1.3.8/go.mod h1:N9Mkw9X8x5fupy0IKsmuqVtoGDyxsaDlbk4Rd05IAQw=
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golang.org/x/net v0.17.0 h1:pVaXccu2ozPjCXewfr1S7xza/zcXTity9cCdXQYSjIM=
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golang.org/x/net v0.17.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE=
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golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.12.0 h1:CM0HF96J0hcLAwsHPJZjfdNzs0gftsLfgKt57wWHJ0o=
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golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.13.0 h1:Af8nKPmuFypiUBjVoU9V20FiaFXOcuZI21p0ycVYYGE=
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golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
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gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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kernel.org/pub/linux/libs/security/libcap/psx v1.2.66 h1:ikIhPzfkSSAEwBOU+2DWhoF+xnGUhvlMTfQjBVhvzQY=
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kernel.org/pub/linux/libs/security/libcap/psx v1.2.66/go.mod h1:+l6Ee2F59XiJ2I6WR5ObpC1utCQJZ/VLsEbQCD8RG24=
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75
main.go
75
main.go
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@ -9,12 +9,12 @@ import (
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"time"
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"github.com/BurntSushi/toml"
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"github.com/boltdb/bolt"
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"github.com/gabriel-vasile/mimetype"
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"github.com/gorilla/mux"
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"github.com/landlock-lsm/go-landlock/landlock"
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"github.com/rs/zerolog"
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"github.com/rs/zerolog/log"
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bolt "go.etcd.io/bbolt"
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)
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var (
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@ -37,6 +37,67 @@ func LoadConf() {
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}
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}
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func shred(path string) error {
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log.Info().Msg("shredding file")
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fileinfo, err := os.Stat(path)
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if err != nil {
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return err
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}
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size := fileinfo.Size()
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err = scramble(path, size)
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if err != nil {
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return err
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}
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err = zeros(path, size)
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if err != nil {
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return err
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}
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err = os.Remove(path)
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if err != nil {
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return err
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}
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return nil
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}
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func scramble(path string, size int64) error {
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var i int64
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for i = 0; i < 7; i++ { // 7 iterations
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file, err := os.OpenFile(path, os.O_RDWR, 0)
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defer file.Close()
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if err != nil {
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return err
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}
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offset, err := file.Seek(0, 0)
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if err != nil {
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return err
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}
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buff := make([]byte, size)
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rand.Read(buff)
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file.WriteAt(buff, offset)
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file.Close()
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}
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return nil
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}
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func zeros(path string, size int64) error {
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file, err := os.OpenFile(path, os.O_RDWR, 0)
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defer file.Close()
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if err != nil {
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return err
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}
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offset, err := file.Seek(0, 0)
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if err != nil {
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return err
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}
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buff := make([]byte, size)
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file.WriteAt(buff, offset)
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return nil
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}
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func NameGen() string {
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const chars = "abcdefghjkmnpqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ123456789"
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ll := len(chars)
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@ -59,7 +120,8 @@ func CheckFile(name string) bool { // false if doesn't exist, true if exists
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func UploadHandler(w http.ResponseWriter, r *http.Request) {
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// expiry sanitize
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twentyfour := int64(86400)
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// twentyfour := int64(86400)
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twentyfour := int64(10)
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file, _, err := r.FormFile("file")
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if err != nil {
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@ -122,8 +184,11 @@ func Cull() {
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continue
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}
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if time.Now().After(time.Unix(eol, 0)) {
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os.Remove(conf.FileFolder + "/" + string(k))
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removed += 1
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if err := shred(conf.FileFolder + "/" + string(k)); err != nil {
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log.Error().Err(err).Msg("shredding failed")
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} else {
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removed += 1
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}
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c.Delete()
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}
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}
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@ -142,8 +207,8 @@ func main() {
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err := landlock.V2.BestEffort().RestrictPaths(
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landlock.RWDirs("./"+conf.FileFolder),
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landlock.RWDirs(conf.Webroot),
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landlock.RWFiles(conf.DBFile),
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landlock.RWFiles(conf.Webroot+"/index.html"),
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)
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if err != nil {
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