Mercurial > prosody-modules
annotate mod_http_dir_listing/http_dir_listing/mod_http_dir_listing.lua @ 4976:75b6e5df65f9
various: Improve error reporting if missing file server module on 0.12
If there is some error loading net.http.files then it would be swallowed
by the pcall and then it would proceed to trying mod_http_files, which
might cause unexpected behavior on 0.12
Ref #1765
author | Kim Alvefur <zash@zash.se> |
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date | Mon, 18 Jul 2022 22:47:54 +0200 |
parents | 7dbde05b48a9 |
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886
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1 -- Prosody IM |
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2 -- Copyright (C) 2012 Kim Alvefur |
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3 -- |
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4 -- This project is MIT/X11 licensed. Please see the |
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5 -- COPYING file in the source package for more information. |
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6 -- |
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7 |
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8 module:set_global(); |
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9 local server = require"net.http.server"; |
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10 local lfs = require "lfs"; |
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11 local stat = lfs.attributes; |
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12 local build_path = require"socket.url".build_path; |
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13 local base64_encode = require"util.encodings".base64.encode; |
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14 local tag = require"util.stanza".stanza; |
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15 local template = require"util.template"; |
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16 |
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17 local mime = module:shared("/*/http_files/mime"); |
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18 |
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19 local function get_resource(resource) |
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20 local fh = assert(module:load_resource(resource)); |
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21 local data = fh:read"*a"; |
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22 fh:close(); |
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23 return data; |
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24 end |
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25 |
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26 local dir_index_template = template(get_resource("resources/template.html")); |
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27 local style = get_resource("resources/style.css"):gsub("url%((.-)%)", function(url) |
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28 --module:log("debug", "Inlineing %s", url); |
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29 return "url(data:image/png;base64,"..base64_encode(get_resource("resources/"..url))..")"; |
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30 end); |
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31 |
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32 local function generate_directory_index(path, full_path) |
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33 local filelist = tag("ul", { class = "filelist" } ):text"\n"; |
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34 if path ~= "/" then |
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35 filelist:tag("li", { class = "parent directory" }) |
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36 :tag("a", { href = "..", rel = "up" }):text("Parent Directory"):up():up():text"\n" |
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37 end |
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38 local mime_map = mime.types; |
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39 for file in lfs.dir(full_path) do |
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40 if file:sub(1,1) ~= "." then |
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41 local attr = stat(full_path..file) or {}; |
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42 local path = { file }; |
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43 local file_ext = file:match"%.([^.]+)$"; |
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44 local type = attr.mode == "file" and file_ext and mime_map and mime_map[file_ext] or nil; |
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45 local class = table.concat({ attr.mode or "unknown", file_ext, type and type:match"^[^/]+" }, " "); |
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46 path.is_directory = attr.mode == "directory"; |
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47 filelist:tag("li", { class = class }) |
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48 :tag("a", { href = build_path(path), type = type }):text(file):up() |
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49 :up():text"\n"; |
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50 end |
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51 end |
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52 return "<!DOCTYPE html>\n"..tostring(dir_index_template.apply{ |
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53 path = path, |
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54 style = style, |
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55 filelist = filelist, |
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56 footer = "Prosody "..prosody.version, |
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57 }); |
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58 end |
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59 |
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60 module:hook_object_event(server, "directory-index", function (event) |
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61 local ok, data = pcall(generate_directory_index, event.path, event.full_path); |
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62 if ok then return data end |
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63 module:log("warn", data); |
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64 end); |