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os, net.http.file: add a folder listing to the http static file serve…
…r, started by file.serve/1 (vlang#20192)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| module file | ||
|
|
||
| import os | ||
| import time | ||
|
|
||
| pub struct Entity { | ||
| os.FileInfo | ||
| path string | ||
| mod_time time.Time | ||
| url string | ||
| fname string | ||
| } | ||
|
|
||
| fn path_to_entity(path string, uri_path string) Entity { | ||
| pinfo := os.inode(path) | ||
| mut uri_base := '' | ||
| if uri_path.len > 0 { | ||
| uri_base = '/${uri_path}' | ||
| } | ||
| fname := os.file_name(path) | ||
| return Entity{ | ||
| FileInfo: pinfo | ||
| path: path | ||
| mod_time: time.unix(pinfo.mtime) | ||
| url: '${uri_base}/${fname}' | ||
| fname: fname | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| module file | ||
|
|
||
| import os | ||
| import time | ||
| import strings | ||
|
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| const myexe = os.executable() | ||
| const myexe_prefix = os.file_name(myexe.all_before_last('.')) | ||
|
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| fn get_folder_index_html(requested_file_path string, uri_path string, filter_myexe bool) string { | ||
| sw := time.new_stopwatch() | ||
| mut files := os.ls(requested_file_path) or { [] } | ||
| if filter_myexe { | ||
| files = files.filter(!it.contains(file.myexe_prefix)) | ||
| } | ||
| mut sb := strings.new_builder(files.len * 200) | ||
| write_page_header(mut sb, uri_path) | ||
| write_page_crumbs(mut sb, uri_path) | ||
| write_page_table(mut sb, uri_path, requested_file_path, mut files) | ||
| sb.writeln('<p>Server time: <b>${time.now().format_ss()}</b>, generated in <b>${sw.elapsed().microseconds():6} us</b></p>') | ||
| write_page_footer(mut sb, uri_path) | ||
| return sb.str() | ||
| } | ||
|
|
||
| fn write_page_header(mut sb strings.Builder, uri_path string) { | ||
| // html boilerplate for the header | ||
| sb.writeln('<!DOCTYPE html>') | ||
| sb.writeln('<html lang="en">') | ||
| sb.writeln('<head>') | ||
| sb.writeln('<meta charset="utf-8">') | ||
| sb.writeln('<title>Index of local folder ${uri_path}</title>') | ||
| sb.writeln('<link rel="shortcut icon" href="data:image/x-icon;," type="image/x-icon" />') | ||
| sb.writeln('</head>') | ||
| sb.writeln('<body>') | ||
| } | ||
|
|
||
| fn write_page_footer(mut sb strings.Builder, uri_path string) { | ||
| // html boilerplate for the footer | ||
| sb.writeln('</body>') | ||
| sb.writeln('</html>') | ||
| } | ||
|
|
||
| fn write_page_crumbs(mut sb strings.Builder, uri_path string) { | ||
| crumbs := uri_path.split('/') | ||
| mut crlinks := []string{cap: crumbs.len} | ||
| for cridx, crumb in crumbs { | ||
| cr_so_far := crumbs#[0..cridx + 1].join('/') | ||
| // eprintln('> cr_so_far: ${cr_so_far:20} | crumb: ${crumb:20}') | ||
| crlinks << '<a href="/${cr_so_far}">${crumb}</a>' | ||
| } | ||
| crlinks_text := crlinks.join(' / ') | ||
| sb.writeln('<h2>Index of <a href="/">/</a> ${crlinks_text} :</h2>') | ||
| } | ||
|
|
||
| fn write_page_table(mut sb strings.Builder, uri_path string, requested_file_path string, mut files []string) { | ||
| files.sort() | ||
| sb.writeln('<table>') | ||
| sb.writeln('<tr>') | ||
| sb.writeln('<th align="left" style="width: 100px">Size</th>') | ||
| sb.writeln('<th align="left" style="width: 200px">Last modified</th>') | ||
| sb.writeln('<th align="left">Name</th>') | ||
| sb.writeln('</tr>') | ||
| if uri_path.len == 0 { | ||
| sb.writeln('<tr>') | ||
| sb.writeln('<td>---</td>') | ||
| sb.writeln('<td>---</td>') | ||
| sb.writeln('<td>---</td>') | ||
| sb.writeln('</tr>') | ||
| } else { | ||
| sb.writeln('<tr>') | ||
| sb.writeln('<td></td>') | ||
| sb.writeln('<td></td>') | ||
| sb.writeln('<td><a href="/${uri_path}/..">..</td>') | ||
| sb.writeln('</tr>') | ||
| } | ||
| mut entities := []Entity{cap: files.len} | ||
| for fname in files { | ||
| path := os.join_path(requested_file_path, fname) | ||
| entities << path_to_entity(path, uri_path) | ||
| } | ||
| entities.sort_with_compare(fn (a &Entity, b &Entity) int { | ||
| if a.typ == b.typ { | ||
| if a.fname < b.fname { | ||
| return -1 | ||
| } | ||
| if a.fname > b.fname { | ||
| return 1 | ||
| } | ||
| return 0 | ||
| } | ||
| if a.typ == .directory { | ||
| return -1 | ||
| } | ||
| return 1 | ||
| }) | ||
| for entity in entities { | ||
| if entity.typ == .directory { | ||
| sb.writeln('<tr>') | ||
| sb.writeln('<td></td>') | ||
| sb.writeln('<td>${entity.mod_time.format_ss()}</td>') | ||
| sb.writeln('<td><a href="${entity.url}">${entity.fname}/</a></td>') | ||
| sb.writeln('</tr>') | ||
| } else if entity.typ == .symbolic_link { | ||
| sb.writeln('<tr>') | ||
| sb.writeln('<td>${entity.size}</td>') | ||
| sb.writeln('<td>${entity.mod_time.format_ss()}</td>') | ||
| sb.writeln('<td><a href="${entity.url}">${entity.fname}@</a></td>') | ||
| sb.writeln('</tr>') | ||
| } else { | ||
| sb.writeln('<tr>') | ||
| sb.writeln('<td>${entity.size}</td>') | ||
| sb.writeln('<td>${entity.mod_time.format_ss()}</td>') | ||
| sb.writeln('<td><a href="${entity.url}">${entity.fname}</a></td>') | ||
| sb.writeln('</tr>') | ||
| } | ||
| } | ||
| sb.writeln('</table>') | ||
| } |
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