60 lines
1.6 KiB
Go
60 lines
1.6 KiB
Go
/*
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* Amsterdam Web Communities System
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* Copyright (c) 2025 Erbosoft Metaverse Design Solutions, All Rights Reserved
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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// Package ui holds the support for the Amsterdam user interface, wrapping Echo and Jet templates.
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package ui
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import (
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"embed"
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"fmt"
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"mime"
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"net/http"
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"path/filepath"
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"strings"
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)
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//go:embed static_images/*
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var static_images embed.FS
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/* mimeTypeFromFilenane returns the MIME type of a file, given its filename.
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* Parameters:
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* filaname - The name of the file to be tested.
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* Returns:
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* The file's inferred MIME type.
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*/
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func mimeTypeFromFilename(filename string) string {
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return mime.TypeByExtension(filename[strings.LastIndex(filename, "."):])
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}
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/* AmServeImage serves an image from internal storage.
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* Parameters:
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* ctxt - The AmContext for the request.
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* Returns:
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* Type of content to be rendered
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* Content to be rendered
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* Standard Go error return
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*/
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func AmServeImage(ctxt AmContext) (string, any, error) {
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components := strings.SplitAfter(ctxt.URLPath(), "/")
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var err error = nil
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var b []byte
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if len(components) == 4 {
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if components[2] == "builtin/" {
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b, err = static_images.ReadFile(filepath.Join("static_images", components[3]))
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if err == nil {
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ctxt.SetOutputType(mimeTypeFromFilename(components[3]))
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return "bytes", b, nil
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}
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}
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}
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ctxt.SetRC(http.StatusNotFound)
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// TODO: improve this error reporting
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return "string", fmt.Sprintf("File not found: %s", ctxt.URLPath()), err
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}
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