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use magicmime

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This commit is contained in:
Michael Barz
2023-07-21 15:45:41 +02:00
committed by Florian Schade
parent b730234e86
commit 5b2253402e
4 changed files with 20 additions and 5 deletions
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3
go.mod
View File

@@ -17,7 +17,6 @@ require (
github.com/disintegration/imaging v1.6.2
github.com/dutchcoders/go-clamd v0.0.0-20170520113014-b970184f4d9e
github.com/egirna/icap-client v0.1.1
github.com/gabriel-vasile/mimetype v1.4.2
github.com/ggwhite/go-masker v1.0.9
github.com/go-chi/chi/v5 v5.0.8
github.com/go-chi/cors v1.2.1
@@ -68,6 +67,7 @@ require (
github.com/pkg/xattr v0.4.9
github.com/prometheus/client_golang v1.16.0
github.com/r3labs/sse/v2 v2.10.0
github.com/rakyll/magicmime v0.1.0
github.com/riandyrn/otelchi v0.5.1
github.com/rogpeppe/go-internal v1.10.0
github.com/rs/zerolog v1.29.1
@@ -176,6 +176,7 @@ require (
github.com/fatih/color v1.14.1 // indirect
github.com/felixge/httpsnoop v1.0.3 // indirect
github.com/fsnotify/fsnotify v1.6.0 // indirect
github.com/gabriel-vasile/mimetype v1.4.2 // indirect
github.com/gdexlab/go-render v1.0.1 // indirect
github.com/ghodss/yaml v1.0.0 // indirect
github.com/go-acme/lego/v4 v4.4.0 // indirect

2
go.sum
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@@ -1477,6 +1477,8 @@ github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40T
github.com/r3labs/sse/v2 v2.10.0 h1:hFEkLLFY4LDifoHdiCN/LlGBAdVJYsANaLqNYa1l/v0=
github.com/r3labs/sse/v2 v2.10.0/go.mod h1:Igau6Whc+F17QUgML1fYe1VPZzTV6EMCnYktEmkNJ7I=
github.com/rainycape/memcache v0.0.0-20150622160815-1031fa0ce2f2/go.mod h1:7tZKcyumwBO6qip7RNQ5r77yrssm9bfCowcLEBcU5IA=
github.com/rakyll/magicmime v0.1.0 h1:aFIp1DqgzjcB3FI7rQk6uZl73i1VPpWswab1YKU4CL4=
github.com/rakyll/magicmime v0.1.0/go.mod h1:OKs4S+1GpIAB1PCebhwp3rxhyipe7TiImiIeVyFlQt8=
github.com/rcrowley/go-metrics v0.0.0-20181016184325-3113b8401b8a/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
github.com/rcrowley/go-metrics v0.0.0-20200313005456-10cdbea86bc0 h1:MkV+77GLUNo5oJ0jf870itWm3D0Sjh7+Za9gazKc5LQ=
github.com/rcrowley/go-metrics v0.0.0-20200313005456-10cdbea86bc0/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=

17
services/policies/pkg/engine/opa/rf_mimetype.go
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@@ -1,13 +1,14 @@
package opa
import (
"log"
"mime"
"strings"
"github.com/gabriel-vasile/mimetype"
"github.com/open-policy-agent/opa/ast"
"github.com/open-policy-agent/opa/rego"
"github.com/open-policy-agent/opa/types"
"github.com/rakyll/magicmime"
)
var RFMimetypeExtensions = rego.Function1(
@@ -23,7 +24,9 @@ var RFMimetypeExtensions = rego.Function1(
if err := ast.As(a.Value, &mt); err != nil {
return nil, err
}
if err := mime.AddExtensionType(".oform", "application/vnd.openxmlformats-officedocument.wordprocessingml.document"); err != nil {
return nil, err
}
detectedExtensions, err := mime.ExtensionsByType(mt)
if err != nil {
return nil, err
@@ -52,8 +55,14 @@ var RFMimetypeDetect = rego.Function1(
return nil, err
}
mimetype := mimetype.Detect(body).String()
if err := magicmime.Open(magicmime.MAGIC_MIME_TYPE | magicmime.MAGIC_SYMLINK | magicmime.MAGIC_ERROR); err != nil {
log.Fatal(err)
}
defer magicmime.Close()
mimetype, err := magicmime.TypeByBuffer(body)
if err != nil {
return nil, err
}
return ast.StringTerm(strings.Split(mimetype, ";")[0]), nil
},
)

3
vendor/modules.txt vendored
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@@ -1565,6 +1565,9 @@ github.com/prometheus/statsd_exporter/pkg/mapper/fsm
# github.com/r3labs/sse/v2 v2.10.0
## explicit; go 1.13
github.com/r3labs/sse/v2
# github.com/rakyll/magicmime v0.1.0
## explicit
github.com/rakyll/magicmime
# github.com/rcrowley/go-metrics v0.0.0-20200313005456-10cdbea86bc0
## explicit
github.com/rcrowley/go-metrics