prosody
7e4c1fb44dd7
plugins/mod_http_files.lua

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plugins/mod_http_files.lua @ 4671:7e4c1fb44dd7

mod_httpserver: Rename to mod_http_files
author Kim Alvefur <zash@zash.se>
date Mon, 23 Apr 2012 23:37:43 +0200
parent 4670:plugins/mod_httpserver.lua@bd5e5e23942a
child 4672:e17fe44146b0
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9 module:depends("http");
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10 local lfs = require "lfs";
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11
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12 local open = io.open;
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13 local stat = lfs.attributes;
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14
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15 local http_base = module:get_option_string("http_path", "www_files");
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16
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17 local response_400 = "<h1>Bad Request</h1>Sorry, we didn't understand your request :(";
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18 local response_403 = "<h1>Forbidden</h1>You don't have permission to view the contents of this directory :(";
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19 local response_404 = "<h1>Page Not Found</h1>Sorry, we couldn't find what you were looking for :(";
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20
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21 -- TODO: Should we read this from /etc/mime.types if it exists? (startup time...?)
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22 local mime_map = {
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23 html = "text/html";
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24 htm = "text/html";
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25 xml = "text/xml";
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26 xsl = "text/xml";
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27 txt = "text/plain; charset=utf-8";
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28 js = "text/javascript";
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29 css = "text/css";
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30 };
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31
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32 local function preprocess_path(path)
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33 if path:sub(1,1) ~= "/" then
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34 path = "/"..path;
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35 end
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36 local level = 0;
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37 for component in path:gmatch("([^/]+)/") do
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38 if component == ".." then
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39 level = level - 1;
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40 elseif component ~= "." then
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41 level = level + 1;
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42 end
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43 if level < 0 then
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44 return nil;
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45 end
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46 end
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47 return path;
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48 end
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49
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50 function serve_file(request, path)
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51 local response = request.response;
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52 path = path and preprocess_path(path);
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53 if not path then
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54 response.status = 400;
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55 return response:send(response_400);
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56 end
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57 local full_path = http_base..path;
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58 if stat(full_path, "mode") == "directory" then
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59 if stat(full_path.."/index.html", "mode") == "file" then
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60 return serve_file(request, path.."/index.html");
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61 end
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62 response.status = 403;
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63 return response:send(response_403);
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64 end
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65 local f, err = open(full_path, "rb");
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66 if not f then
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67 response.status = 404;
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68 return response:send(response_404.."<br/>"..tostring(err));
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69 end
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70 local data = f:read("*a");
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71 f:close();
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72 if not data then
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73 response.status = 403;
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74 return response:send(response_403);
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75 end
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76 local ext = path:match("%.([^.]*)$");
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77 response.headers.content_type = mime_map[ext]; -- Content-Type should be nil when not known
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78 return response:send(data);
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79 end
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80
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81 module:provides("http", {
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82 route = {
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83 ["/*"] = serve_file;
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84 };
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85 });
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