feat: add executable's directory as config path

Fixes #66.

.github/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: "1.23.x"
+          go-version: "1.24.x"
       - run: go build .
         env:
           CGO_ENABLED: '0'

.github/workflows/lint.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: "1.23.x"
+          go-version: "1.24.x"
       - uses: golangci/golangci-lint-action@v6
         with:
-          version: "v1.62"
+          version: "v1.64"

.github/workflows/test.yml

@@ -16,6 +16,6 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: "1.23.x"
+          go-version: "1.24.x"
       - name: Run test with coverage
         run: go test -race -coverprofile=coverage.txt -covermode=atomic ./...

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.23-alpine3.20 AS build
+FROM golang:1.24-alpine3.20 AS build
 
 ARG VERSION="untracked"
 

README.md

@@ -94,7 +94,8 @@ permissions: R
 
 # The default permissions rules for users. Default is none. Rules are applied
 # from last to first, that is, the first rule that matches the request, starting
-# from the end, will be applied to the request.
+# from the end, will be applied to the request. Rule paths are always relative to
+# the user's directory.
 rules: []
 
 # The behavior of redefining the rules for users. It can be:
@@ -158,14 +159,15 @@ users:
     # Override default permissions.
     permissions: CRUD
     rules:
-      # With this rule, the user CANNOT access /some/files.
+      # With this rule, the user CANNOT access {user directory}/some/files.
       - path: /some/file
         permissions: none
-      # With this rule, the user CAN create, read, update and delete within /public/access.
+      # With this rule, the user CAN create, read, update and delete within
+      # {user directory}/public/access.
       - path: /public/access/
         permissions: CRUD
-      # With this rule, the user CAN read and update all files ending with .js. It uses
-      # a regular expression.
+      # With this rule, the user CAN read and update all files ending with .js.
+      # It uses a regular expression.
       - regex: "^.+.js$"
         permissions: RU
 ```
@@ -191,6 +193,14 @@ location / {
   proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
   proxy_set_header Host $host;
   proxy_redirect off;
+
+  # Ensure COPY and MOVE commands work. Change https://example.com to the
+  # correct address where the WebDAV server will be deployed at.
+  set $dest $http_destination;
+  if ($http_destination ~ "^https://example.com(?<path>(.+))") {
+    set $dest /$path;
+  }
+  proxy_set_header Destination $dest;
 }
 ```
 

go.mod

@@ -1,40 +1,34 @@
 module github.com/hacdias/webdav/v5
 
-go 1.23
+go 1.24.0
 
 require (
 	github.com/coreos/go-systemd/v22 v22.5.0
 	github.com/go-viper/mapstructure/v2 v2.2.1
 	github.com/rs/cors v1.11.1
-	github.com/spf13/cobra v1.8.1
-	github.com/spf13/pflag v1.0.5
-	github.com/spf13/viper v1.19.0
-	github.com/stretchr/testify v1.9.0
+	github.com/spf13/cobra v1.9.1
+	github.com/spf13/pflag v1.0.6
+	github.com/spf13/viper v1.20.1
+	github.com/stretchr/testify v1.10.0
 	github.com/studio-b12/gowebdav v0.9.0
 	go.uber.org/zap v1.27.0
-	golang.org/x/crypto v0.31.0
-	golang.org/x/net v0.33.0
+	golang.org/x/crypto v0.38.0
+	golang.org/x/net v0.40.0
 )
 
 require (
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
-	github.com/fsnotify/fsnotify v1.8.0 // indirect
-	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/fsnotify/fsnotify v1.9.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/magiconair/properties v1.8.9 // indirect
-	github.com/mitchellh/mapstructure v1.5.0 // indirect
-	github.com/pelletier/go-toml/v2 v2.2.3 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
-	github.com/sagikazarmark/locafero v0.6.0 // indirect
-	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
+	github.com/sagikazarmark/locafero v0.9.0 // indirect
 	github.com/sourcegraph/conc v0.3.0 // indirect
-	github.com/spf13/afero v1.11.0 // indirect
-	github.com/spf13/cast v1.7.1 // indirect
+	github.com/spf13/afero v1.14.0 // indirect
+	github.com/spf13/cast v1.8.0 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
-	golang.org/x/exp v0.0.0-20241217172543-b2144cdd0a67 // indirect
-	golang.org/x/sys v0.28.0 // indirect
-	golang.org/x/text v0.21.0 // indirect
-	gopkg.in/ini.v1 v1.67.0 // indirect
+	golang.org/x/sys v0.33.0 // indirect
+	golang.org/x/text v0.25.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -1,32 +1,25 @@
 github.com/coreos/go-systemd/v22 v22.5.0 h1:RrqgGjYQKalulkV8NGVIfkXQf6YYmOyiJKk8iXXhfZs=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
-github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
 github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
-github.com/fsnotify/fsnotify v1.8.0 h1:dAwr6QBTBZIkG8roQaJjGof0pp0EeF+tNV7YBP3F/8M=
-github.com/fsnotify/fsnotify v1.8.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
+github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S9k=
+github.com/fsnotify/fsnotify v1.9.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
 github.com/go-viper/mapstructure/v2 v2.2.1 h1:ZAaOCxANMuZx5RCeg0mBdEZk7DZasvvZIxtHqx8aGss=
 github.com/go-viper/mapstructure/v2 v2.2.1/go.mod h1:oJDH3BJKyqBA2TXFhDsKDGDTlndYOZ6rGS0BRZIxGhM=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
-github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
-github.com/magiconair/properties v1.8.9 h1:nWcCbLq1N2v/cpNsy5WvQ37Fb+YElfq20WJ/a8RkpQM=
-github.com/magiconair/properties v1.8.9/go.mod h1:Dhd985XPs7jluiymwWYZ0G4Z61jb3vdS329zhj2hYo0=
-github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
-github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
-github.com/pelletier/go-toml/v2 v2.2.3 h1:YmeHyLY8mFWbdkNWwpr+qIL2bEqT0o95WSdkNHvL12M=
-github.com/pelletier/go-toml/v2 v2.2.3/go.mod h1:MfCQTFTvCcUyyvvwm1+G6H/jORL20Xlb6rzQu9GuUkc=
+github.com/pelletier/go-toml/v2 v2.2.4 h1:mye9XuhQ6gvn5h28+VilKrrPoQVanw5PMw/TB0t5Ec4=
+github.com/pelletier/go-toml/v2 v2.2.4/go.mod h1:2gIqNv+qfxSVS7cM2xJQKtLSTLUE9V8t9Stt+h56mCY=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8=
@@ -34,24 +27,22 @@ github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/f
 github.com/rs/cors v1.11.1 h1:eU3gRzXLRK57F5rKMGMZURNdIG4EoAmX8k94r9wXWHA=
 github.com/rs/cors v1.11.1/go.mod h1:XyqrcTp5zjWr1wsJ8PIRZssZ8b/WMcMf71DJnit4EMU=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
-github.com/sagikazarmark/locafero v0.6.0 h1:ON7AQg37yzcRPU69mt7gwhFEBwxI6P9T4Qu3N51bwOk=
-github.com/sagikazarmark/locafero v0.6.0/go.mod h1:77OmuIc6VTraTXKXIs/uvUxKGUXjE1GbemJYHqdNjX0=
-github.com/sagikazarmark/slog-shim v0.1.0 h1:diDBnUNK9N/354PgrxMywXnAwEr1QZcOr6gto+ugjYE=
-github.com/sagikazarmark/slog-shim v0.1.0/go.mod h1:SrcSrq8aKtyuqEI1uvTDTK1arOWRIczQRv+GVI1AkeQ=
+github.com/sagikazarmark/locafero v0.9.0 h1:GbgQGNtTrEmddYDSAH9QLRyfAHY12md+8YFTqyMTC9k=
+github.com/sagikazarmark/locafero v0.9.0/go.mod h1:UBUyz37V+EdMS3hDF3QWIiVr/2dPrx49OMO0Bn0hJqk=
 github.com/sourcegraph/conc v0.3.0 h1:OQTbbt6P72L20UqAkXXuLOj79LfEanQ+YQFNpLA9ySo=
 github.com/sourcegraph/conc v0.3.0/go.mod h1:Sdozi7LEKbFPqYX2/J+iBAM6HpqSLTASQIKqDmF7Mt0=
-github.com/spf13/afero v1.11.0 h1:WJQKhtpdm3v2IzqG8VMqrr6Rf3UYpEF239Jy9wNepM8=
-github.com/spf13/afero v1.11.0/go.mod h1:GH9Y3pIexgf1MTIWtNGyogA5MwRIDXGUr+hbWNoBjkY=
-github.com/spf13/cast v1.7.1 h1:cuNEagBQEHWN1FnbGEjCXL2szYEXqfJPbP2HNUaca9Y=
-github.com/spf13/cast v1.7.1/go.mod h1:ancEpBxwJDODSW/UG4rDrAqiKolqNNh2DX3mk86cAdo=
-github.com/spf13/cobra v1.8.1 h1:e5/vxKd/rZsfSJMUX1agtjeTDf+qv1/JdBF8gg5k9ZM=
-github.com/spf13/cobra v1.8.1/go.mod h1:wHxEcudfqmLYa8iTfL+OuZPbBZkmvliBWKIezN3kD9Y=
-github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
-github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
-github.com/spf13/viper v1.19.0 h1:RWq5SEjt8o25SROyN3z2OrDB9l7RPd3lwTWU8EcEdcI=
-github.com/spf13/viper v1.19.0/go.mod h1:GQUN9bilAbhU/jgc1bKs99f/suXKeUMct8Adx5+Ntkg=
-github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
-github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/spf13/afero v1.14.0 h1:9tH6MapGnn/j0eb0yIXiLjERO8RB6xIVZRDCX7PtqWA=
+github.com/spf13/afero v1.14.0/go.mod h1:acJQ8t0ohCGuMN3O+Pv0V0hgMxNYDlvdk+VTfyZmbYo=
+github.com/spf13/cast v1.8.0 h1:gEN9K4b8Xws4EX0+a0reLmhq8moKn7ntRlQYgjPeCDk=
+github.com/spf13/cast v1.8.0/go.mod h1:ancEpBxwJDODSW/UG4rDrAqiKolqNNh2DX3mk86cAdo=
+github.com/spf13/cobra v1.9.1 h1:CXSaggrXdbHK9CF+8ywj8Amf7PBRmPCOJugH954Nnlo=
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+github.com/spf13/pflag v1.0.6 h1:jFzHGLGAlb3ruxLB8MhbI6A8+AQX/2eW4qeyNZXNp2o=
+github.com/spf13/pflag v1.0.6/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+github.com/spf13/viper v1.20.1 h1:ZMi+z/lvLyPSCoNtFCpqjy0S4kPbirhpTMwl8BkW9X4=
+github.com/spf13/viper v1.20.1/go.mod h1:P9Mdzt1zoHIG8m2eZQinpiBjo6kCmZSKBClNNqjJvu4=
+github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
+github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/studio-b12/gowebdav v0.9.0 h1:1j1sc9gQnNxbXXM4M/CebPOX4aXYtr7MojAVcN4dHjU=
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 github.com/subosito/gotenv v1.6.0 h1:9NlTDc1FTs4qu0DDq7AEtTPNw6SVm7uBMsUCUjABIf8=
@@ -62,20 +53,16 @@ go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
 go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
 go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
 go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
-golang.org/x/crypto v0.31.0 h1:ihbySMvVjLAeSH1IbfcRTkD/iNscyz8rGzjF/E5hV6U=
-golang.org/x/crypto v0.31.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk=
-golang.org/x/exp v0.0.0-20241217172543-b2144cdd0a67 h1:1UoZQm6f0P/ZO0w1Ri+f+ifG/gXhegadRdwBIXEFWDo=
-golang.org/x/exp v0.0.0-20241217172543-b2144cdd0a67/go.mod h1:qj5a5QZpwLU2NLQudwIN5koi3beDhSAlJwa67PuM98c=
-golang.org/x/net v0.33.0 h1:74SYHlV8BIgHIFC/LrYkOGIwL19eTYXQ5wc6TBuO36I=
-golang.org/x/net v0.33.0/go.mod h1:HXLR5J+9DxmrqMwG9qjGCxZ+zKXxBru04zlTvWlWuN4=
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-golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
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-gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

lib/config.go

@@ -3,6 +3,7 @@ package lib
 import (
 	"errors"
 	"fmt"
+	"os"
 	"path/filepath"
 	"strings"
 
@@ -40,7 +41,7 @@ type Config struct {
 }
 
 func ParseConfig(filename string, flags *pflag.FlagSet) (*Config, error) {
-	v := viper.New()
+	v := viper.NewWithOptions(viper.ExperimentalBindStruct())
 
 	// Configure flags bindings
 	if flags != nil {
@@ -53,6 +54,10 @@ func ParseConfig(filename string, flags *pflag.FlagSet) (*Config, error) {
 	// Configuration file settings
 	v.AddConfigPath(".")
 	v.AddConfigPath("/etc/webdav/")
+	if path, err := os.Executable(); err == nil {
+		v.AddConfigPath(filepath.Dir(path))
+	}
+
 	v.SetConfigName("config")
 	if filename != "" {
 		v.SetConfigFile(filename)
@@ -62,9 +67,6 @@ func ParseConfig(filename string, flags *pflag.FlagSet) (*Config, error) {
 	v.SetEnvPrefix("wd")
 	v.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
 	v.AutomaticEnv()
-	// TODO: use new env struct bind feature when it's released in viper.
-	// This should make it redundant to set defaults for things that are
-	// empty or false.
 
 	// Defaults shared with flags
 	v.SetDefault("TLS", DefaultTLS)

lib/handler.go

@@ -23,6 +23,8 @@ type Handler struct {
 }
 
 func NewHandler(c *Config) (http.Handler, error) {
+	ls := webdav.NewMemLS()
+
 	h := &Handler{
 		noPassword:  c.NoPassword,
 		behindProxy: c.BehindProxy,
@@ -36,7 +38,10 @@ func NewHandler(c *Config) (http.Handler, error) {
 					Dir:     webdav.Dir(c.Directory),
 					noSniff: c.NoSniff,
 				},
-				LockSystem: webdav.NewMemLS(),
+				LockSystem: &lockSystem{
+					LockSystem: ls,
+					directory:  c.Directory,
+				},
 			},
 		},
 		users: map[string]*handlerUser{},
@@ -51,7 +56,10 @@ func NewHandler(c *Config) (http.Handler, error) {
 					Dir:     webdav.Dir(u.Directory),
 					noSniff: c.NoSniff,
 				},
-				LockSystem: webdav.NewMemLS(),
+				LockSystem: &lockSystem{
+					LockSystem: ls,
+					directory:  u.Directory,
+				},
 			},
 		}
 	}

lib/locksystem.go

@@ -0,0 +1,35 @@
+package lib
+
+import (
+	"path/filepath"
+	"time"
+
+	"golang.org/x/net/webdav"
+)
+
+var _ webdav.LockSystem = &lockSystem{}
+
+// LockSystem wraps a [webdav.LockSystem] with a root directory, allowing
+// to reuse the same [webdav.LockSystem] for multiple users with different base
+// directories, meaning we can correctly lock the files across different users.
+type lockSystem struct {
+	webdav.LockSystem
+	directory string
+}
+
+func (l *lockSystem) Confirm(now time.Time, name0, name1 string, conditions ...webdav.Condition) (release func(), err error) {
+	if name0 != "" {
+		name0 = filepath.Join(l.directory, name0)
+	}
+
+	if name1 != "" {
+		name1 = filepath.Join(l.directory, name1)
+	}
+
+	return l.LockSystem.Confirm(now, name0, name1, conditions...)
+}
+
+func (l *lockSystem) Create(now time.Time, details webdav.LockDetails) (token string, err error) {
+	details.Root = filepath.Join(l.directory, details.Root)
+	return l.LockSystem.Create(now, details)
+}