mirror of
https://github.com/filebrowser/filebrowser.git
synced 2024-06-07 23:00:43 +00:00
211 lines
4.6 KiB
Go
211 lines
4.6 KiB
Go
package filemanager
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import (
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"bytes"
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"encoding/json"
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"errors"
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"html/template"
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"log"
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"net/http"
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"strconv"
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"strings"
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)
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// page contains the informations and functions needed to show the Page
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type page struct {
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Info *pageInfo
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Minimal bool
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}
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// pageInfo contains the information of a Page
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type pageInfo struct {
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Name string
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Path string
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IsDir bool
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User *User
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Config *Config
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Data interface{}
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Editor bool
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Display string
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}
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// BreadcrumbMapItem ...
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type BreadcrumbMapItem struct {
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Name string
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URL string
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}
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// BreadcrumbMap returns p.Path where every element is a map
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// of URLs and path segment names.
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func (i pageInfo) BreadcrumbMap() []BreadcrumbMapItem {
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result := []BreadcrumbMapItem{}
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if len(i.Path) == 0 {
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return result
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}
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// skip trailing slash
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lpath := i.Path
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if lpath[len(lpath)-1] == '/' {
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lpath = lpath[:len(lpath)-1]
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}
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parts := strings.Split(lpath, "/")
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for i, part := range parts {
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if i == len(parts)-1 {
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continue
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}
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if i == 0 && part == "" {
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result = append([]BreadcrumbMapItem{{
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Name: "/",
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URL: "/",
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}}, result...)
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continue
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}
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result = append([]BreadcrumbMapItem{{
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Name: part,
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URL: strings.Join(parts[:i+1], "/") + "/",
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}}, result...)
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}
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return result
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}
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// PreviousLink returns the path of the previous folder
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func (i pageInfo) PreviousLink() string {
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path := strings.TrimSuffix(i.Path, "/")
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path = strings.TrimPrefix(path, "/")
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path = i.Config.AbsoluteURL() + "/" + path
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path = path[0 : len(path)-len(i.Name)]
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if len(path) < len(i.Config.AbsoluteURL()+"/") {
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return ""
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}
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return path
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}
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// PrintHTML formats the page in HTML and executes the template
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func (p page) PrintHTML(w http.ResponseWriter, templates ...string) (int, error) {
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if p.Minimal {
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templates = append(templates, "minimal")
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} else {
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templates = append(templates, "base")
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}
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var tpl *template.Template
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// For each template, add it to the the tpl variable
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for i, t := range templates {
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// Get the template from the assets
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//Page, err := assets.Asset("templates/" + t + ".tmpl")
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Page, err := []byte("Shit"), errors.New("Hello")
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// Check if there is some error. If so, the template doesn't exist
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if err != nil {
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log.Print(err)
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return http.StatusInternalServerError, err
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}
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// If it's the first iteration, creates a new template and add the
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// functions map
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if i == 0 {
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tpl, err = template.New(t).Funcs(functionMap).Parse(string(Page))
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} else {
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tpl, err = tpl.Parse(string(Page))
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}
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if err != nil {
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log.Print(err)
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return http.StatusInternalServerError, err
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}
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}
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buf := &bytes.Buffer{}
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err := tpl.Execute(buf, p.Info)
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if err != nil {
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return http.StatusInternalServerError, err
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}
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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_, err = buf.WriteTo(w)
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return http.StatusOK, err
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}
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// PrintJSON prints the current Page information in JSON
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func (p page) PrintJSON(w http.ResponseWriter) (int, error) {
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marsh, err := json.MarshalIndent(p.Info.Data, "", " ")
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if err != nil {
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return http.StatusInternalServerError, err
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}
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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if _, err := w.Write(marsh); err != nil {
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return http.StatusInternalServerError, err
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}
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return http.StatusOK, nil
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}
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// printError prints the error page
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func printError(w http.ResponseWriter, code int, err error) (int, error) {
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tpl := errorTemplate
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tpl = strings.Replace(tpl, "TITLE", strconv.Itoa(code)+" "+http.StatusText(code), -1)
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tpl = strings.Replace(tpl, "CODE", err.Error(), -1)
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_, err = w.Write([]byte(tpl))
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if err != nil {
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return http.StatusInternalServerError, err
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}
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return http.StatusOK, nil
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}
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const errorTemplate = `<!DOCTYPE html>
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<html>
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<head>
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<title>TITLE</title>
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta charset="utf-8">
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<style>
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html {
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background-color: #2196f3;
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color: #fff;
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font-family: sans-serif;
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}
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code {
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background-color: rgba(0,0,0,0.1);
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border-radius: 5px;
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padding: 1em;
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display: block;
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box-sizing: border-box;
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}
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.center {
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max-width: 40em;
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margin: 2em auto 0;
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}
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a {
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text-decoration: none;
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color: #eee;
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font-weight: bold;
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}
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p {
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line-height: 1.3;
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}
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</style>
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</head>
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<body>
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<div class="center">
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<h1>TITLE</h1>
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<p>Try reloading the page or hitting the back button. If this error persists, it seems that you may have found a bug! Please create an issue at <a href="https://github.com/hacdias/caddy-filemanager/issues">hacdias/caddy-filemanager</a> repository on GitHub with the code below.</p>
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<code>CODE</code>
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</div>
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</html>`
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