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Fix invalid path for windows dialogs #4019

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merged 2 commits into from
Jan 23, 2025
Merged

Fix invalid path for windows dialogs #4019

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ee793b9
Fix invalid path for windows dialogs
leaanthony Jan 17, 2025
613971d
Update Go version in pipelines for v2
leaanthony Jan 17, 2025
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10 changes: 5 additions & 5 deletions v2/internal/go-common-file-dialog/cfd/CommonFileDialog_nonWindows.go
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Original file line number Diff line number Diff line change
Expand Up @@ -5,24 +5,24 @@ package cfd

import "fmt"

var errUnsupported = fmt.Errorf("common file dialogs are only available on windows")
var unsupportedError = fmt.Errorf("common file dialogs are only available on windows")

// TODO doc
func NewOpenFileDialog(config DialogConfig) (OpenFileDialog, error) {
return nil, errUnsupported
return nil, unsupportedError
}

// TODO doc
func NewOpenMultipleFilesDialog(config DialogConfig) (OpenMultipleFilesDialog, error) {
return nil, errUnsupported
return nil, unsupportedError
}

// TODO doc
func NewSelectFolderDialog(config DialogConfig) (SelectFolderDialog, error) {
return nil, errUnsupported
return nil, unsupportedError
}

// TODO doc
func NewSaveFileDialog(config DialogConfig) (SaveFileDialog, error) {
return nil, errUnsupported
return nil, unsupportedError
}
17 changes: 16 additions & 1 deletion v2/internal/go-common-file-dialog/cfd/DialogConfig.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,11 @@

package cfd

import "fmt"
import (
"fmt"
"os"
"reflect"
)

type FileFilter struct {
// The display name of the filter (That is shown to the user)
Expand All @@ -11,6 +15,9 @@ type FileFilter struct {
Pattern string
}

// Never obfuscate the FileFilter type.
var _ = reflect.TypeOf(FileFilter{})

type DialogConfig struct {
// The title of the dialog
Title string
Expand Down Expand Up @@ -69,13 +76,21 @@ func (config *DialogConfig) apply(dialog Dialog) (err error) {
}

if config.Folder != "" {
_, err = os.Stat(config.Folder)
if err != nil {
return
}
Comment on lines +79 to +82
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⚠️ Potential issue

Path validation might be too strict for network paths.

The current implementation using os.Stat might fail for valid Windows UNC paths or network shares that are temporarily unavailable. This could prevent users from accessing network locations.

Consider using a more flexible path validation approach:

-		_, err = os.Stat(config.Folder)
-		if err != nil {
-			return
-		}
+		if !isValidPath(config.Folder) {
+			return fmt.Errorf("invalid folder path: %s", config.Folder)
+		}

Add this helper function:

func isValidPath(path string) bool {
    // Basic path validation
    if path == "" {
        return false
    }
    
    // Check if it's a Windows UNC path
    if strings.HasPrefix(path, "\\\\") {
        return true
    }
    
    // For local paths, check if they exist
    _, err := os.Stat(path)
    return err == nil
}

Also applies to: 90-93

err = dialog.SetFolder(config.Folder)
if err != nil {
return
}
}

if config.DefaultFolder != "" {
_, err = os.Stat(config.DefaultFolder)
if err != nil {
return
}
err = dialog.SetDefaultFolder(config.DefaultFolder)
if err != nil {
return
Expand Down
4 changes: 3 additions & 1 deletion v2/internal/go-common-file-dialog/cfd/errors.go
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Expand Up @@ -2,4 +2,6 @@ package cfd

import "errors"

var ErrCancelled = errors.New("cancelled by user")
var (
ErrorCancelled = errors.New("cancelled by user")
)
10 changes: 7 additions & 3 deletions v2/internal/go-common-file-dialog/cfd/iFileOpenDialog.go
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ package cfd

import (
"github.com/go-ole/go-ole"
"github.com/wailsapp/wails/v2/internal/go-common-file-dialog/util"
"github.com/google/uuid"
"syscall"
"unsafe"
)
Expand Down Expand Up @@ -106,7 +106,7 @@ func (fileOpenDialog *iFileOpenDialog) SetFileFilters(filter []FileFilter) error
}

func (fileOpenDialog *iFileOpenDialog) SetRole(role string) error {
return fileOpenDialog.vtbl.setClientGuid(unsafe.Pointer(fileOpenDialog), util.StringToUUID(role))
return fileOpenDialog.vtbl.setClientGuid(unsafe.Pointer(fileOpenDialog), StringToUUID(role))
}

// This should only be callable when the user asks for a multi select because
Expand Down Expand Up @@ -177,7 +177,7 @@ func (vtbl *iFileOpenDialogVtbl) getResultsStrings(objPtr unsafe.Pointer) ([]str
return nil, err
}
if shellItemArray == nil {
return nil, ErrCancelled
return nil, ErrorCancelled
}
defer shellItemArray.vtbl.release(unsafe.Pointer(shellItemArray))
count, err := shellItemArray.vtbl.getCount(unsafe.Pointer(shellItemArray))
Expand All @@ -194,3 +194,7 @@ func (vtbl *iFileOpenDialogVtbl) getResultsStrings(objPtr unsafe.Pointer) ([]str
}
return results, nil
}

func StringToUUID(str string) *ole.GUID {
return ole.NewGUID(uuid.NewSHA1(uuid.Nil, []byte(str)).String())
}
3 changes: 1 addition & 2 deletions v2/internal/go-common-file-dialog/cfd/iFileSaveDialog.go
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,6 @@ package cfd

import (
"github.com/go-ole/go-ole"
"github.com/wailsapp/wails/v2/internal/go-common-file-dialog/util"
"unsafe"
)

Expand Down Expand Up @@ -77,7 +76,7 @@ func (fileSaveDialog *iFileSaveDialog) SetFileFilters(filter []FileFilter) error
}

func (fileSaveDialog *iFileSaveDialog) SetRole(role string) error {
return fileSaveDialog.vtbl.setClientGuid(unsafe.Pointer(fileSaveDialog), util.StringToUUID(role))
return fileSaveDialog.vtbl.setClientGuid(unsafe.Pointer(fileSaveDialog), StringToUUID(role))
}

func (fileSaveDialog *iFileSaveDialog) SetDefaultExtension(defaultExtension string) error {
Expand Down
3 changes: 2 additions & 1 deletion v2/internal/go-common-file-dialog/cfd/iShellItemArray.go
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
package cfd

import (
"fmt"
"github.com/go-ole/go-ole"
"syscall"
"unsafe"
Expand Down Expand Up @@ -57,7 +58,7 @@ func (vtbl *iShellItemArrayVtbl) getItemAt(objPtr unsafe.Pointer, index uintptr)
return "", err
}
if shellItem == nil {
return "", ErrCancelled
return "", fmt.Errorf("shellItem is nil")
}
defer shellItem.vtbl.release(unsafe.Pointer(shellItem))
return shellItem.vtbl.getDisplayName(unsafe.Pointer(shellItem))
Expand Down
2 changes: 1 addition & 1 deletion v2/internal/go-common-file-dialog/cfd/vtblCommonFunc.go
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Original file line number Diff line number Diff line change
Expand Up @@ -168,7 +168,7 @@ func (vtbl *iFileDialogVtbl) getResultString(objPtr unsafe.Pointer) (string, err
return "", err
}
if shellItem == nil {
return "", ErrCancelled
return "", fmt.Errorf("shellItem is nil")
}
defer shellItem.vtbl.release(unsafe.Pointer(shellItem))
return shellItem.vtbl.getDisplayName(unsafe.Pointer(shellItem))
Expand Down
16 changes: 4 additions & 12 deletions v2/internal/go-common-file-dialog/cfdutil/CFDUtil.go
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Original file line number Diff line number Diff line change
Expand Up @@ -10,9 +10,7 @@ func ShowOpenFileDialog(config cfd.DialogConfig) (string, error) {
if err != nil {
return "", err
}
defer func() {
_ = dialog.Release()
}()
defer dialog.Release()
return dialog.ShowAndGetResult()
}

Expand All @@ -22,9 +20,7 @@ func ShowOpenMultipleFilesDialog(config cfd.DialogConfig) ([]string, error) {
if err != nil {
return nil, err
}
defer func() {
_ = dialog.Release()
}()
defer dialog.Release()
return dialog.ShowAndGetResults()
}

Expand All @@ -34,9 +30,7 @@ func ShowPickFolderDialog(config cfd.DialogConfig) (string, error) {
if err != nil {
return "", err
}
defer func() {
_ = dialog.Release()
}()
defer dialog.Release()
return dialog.ShowAndGetResult()
}

Expand All @@ -46,8 +40,6 @@ func ShowSaveFileDialog(config cfd.DialogConfig) (string, error) {
if err != nil {
return "", err
}
defer func() {
_ = dialog.Release()
}()
defer dialog.Release()
return dialog.ShowAndGetResult()
}
1 change: 1 addition & 0 deletions website/src/pages/changelog.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- Fixed failed models.ts build due to non-json-encodable Go types [PR](https://github.com/wailsapp/wails/pull/3975) by [@pbnjay](https://github.com/pbnjay)
- Fixed more binding and typescript export bugs [PR](https://github.com/wailsapp/wails/pull/3978) by [@pbnjay](https://github.com/pbnjay)
- Fixed Dispatcher.ProcessMessage crash process instead of return error [PR](https://github.com/wailsapp/wails/pull/4016) [#4015](https://github.com/wailsapp/wails/issues/4015) by [@ronaldinho_x86](https://github.com/RonaldinhoL)
- Fixed Windows SaveDialog crash by [@leaanthony](https://github.com/leaanthony)

### Changed
- Allow to specify macos-min-version externally. Implemented by @APshenkin in [PR](https://github.com/wailsapp/wails/pull/3756)
Expand Down
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