30 lines
717 B
Go
30 lines
717 B
Go
package middlewares
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import (
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"os"
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"strings"
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"github.com/valyala/fasthttp"
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"github.com/authelia/authelia/v4/internal/utils"
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)
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// AssetOverrideMiddleware allows overriding and serving of specific embedded assets from disk.
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func AssetOverrideMiddleware(assetPath string, next fasthttp.RequestHandler) fasthttp.RequestHandler {
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return func(ctx *fasthttp.RequestCtx) {
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uri := string(ctx.RequestURI())
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file := uri[strings.LastIndex(uri, "/")+1:]
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if assetPath != "" && utils.IsStringInSlice(file, validOverrideAssets) {
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_, err := os.Stat(assetPath + file)
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if err != nil {
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next(ctx)
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} else {
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fasthttp.FSHandler(assetPath, strings.Count(uri, "/")-1)(ctx)
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}
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} else {
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next(ctx)
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}
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}
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}
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