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[assetHandler] Allow middleware to set the content-type for an assets file (#2286)

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stffabi 2023-01-16 11:05:25 +01:00 committed by GitHub
parent 8c7fa4cf4c
commit 8f92cf1074
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2 changed files with 13 additions and 9 deletions
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21
v2/pkg/assetserver/assethandler.go
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@ -154,16 +154,19 @@ func (d *assetHandler) serveFSFile(rw http.ResponseWriter, req *http.Request, fi
} }
var buf [512]byte var buf [512]byte
n, err := file.Read(buf[:]) var n int
if err != nil && err != io.EOF { if _, haveType := rw.Header()[HeaderContentType]; !haveType {
return err // Detect MimeType by sniffing the first 512 bytes
} n, err = file.Read(buf[:])
if err != nil && err != io.EOF {
return err
}
// Detect MimeType by sniffing the first 512 bytes // Do the custom MimeType sniffing even though http.ServeContent would do it in case
// Do the custom MimeType sniffing even though http.ServeContent would do it in case // of an io.ReadSeeker. We would like to have a consistent behaviour in both cases.
// of an io.ReadSeeker. We would like to have a consistent behaviour in both cases. if contentType := GetMimetype(filename, buf[:n]); contentType != "" {
if contentType := GetMimetype(filename, buf[:n]); contentType != "" { rw.Header().Set(HeaderContentType, contentType)
rw.Header().Set(HeaderContentType, contentType) }
} }
if fileSeeker, _ := file.(io.ReadSeeker); fileSeeker != nil { if fileSeeker, _ := file.(io.ReadSeeker); fileSeeker != nil {

1
website/src/pages/changelog.mdx
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@ -17,6 +17,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
### Added ### Added
- Added Webview GPU acceleration options for [Windows](/docs/reference/options#webviewgpuisdisabled) and [Linux](/docs/reference/options#webviewgpupolicy). Added by @Lyimmi in [PR](https://github.com/wailsapp/wails/pull/2266) - Added Webview GPU acceleration options for [Windows](/docs/reference/options#webviewgpuisdisabled) and [Linux](/docs/reference/options#webviewgpupolicy). Added by @Lyimmi in [PR](https://github.com/wailsapp/wails/pull/2266)
- Added `EnableFraudulentWebsiteDetection` option to opt-in to scan services for fraudulent content, such as malware or phishing attempts. Older releases had the scan services per default activated. Added by @stffabi in [PR](https://github.com/wailsapp/wails/pull/2269) - Added `EnableFraudulentWebsiteDetection` option to opt-in to scan services for fraudulent content, such as malware or phishing attempts. Older releases had the scan services per default activated. Added by @stffabi in [PR](https://github.com/wailsapp/wails/pull/2269)
- Allow an [AssetServer Middleware](/docs/reference/options#middleware) to specify the `Content-Type` of a file served by the [Assets](/docs/reference/options#assets-1) `fs.FS`. Added by @stffabi in [PR](https://github.com/wailsapp/wails/pull/2286)
### Changed ### Changed
- Improved fullscreen mode for frameless window on Windows. Changed by @stffabi in [PR](https://github.com/wailsapp/wails/pull/2279), [PR](https://github.com/wailsapp/wails/pull/2288) and [PR](https://github.com/wailsapp/wails/pull/2299) - Improved fullscreen mode for frameless window on Windows. Changed by @stffabi in [PR](https://github.com/wailsapp/wails/pull/2279), [PR](https://github.com/wailsapp/wails/pull/2288) and [PR](https://github.com/wailsapp/wails/pull/2299)