prosody
2251f8898900
plugins/mod_httpserver.lua

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plugins/mod_httpserver.lua @ 2737:2251f8898900

mod_offline: Convert to Unix line endings.
author Waqas Hussain <waqas20@gmail.com>
date Tue, 02 Mar 2010 14:08:32 +0500
parent 2409:36b8de1bfa27
child 2925:692b3c6c5bd2
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2009 Matthew Wild
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3 -- Copyright (C) 2008-2009 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
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10 local httpserver = require "net.httpserver";
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11
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12 local open = io.open;
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13 local t_concat = table.concat;
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14
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15 local http_base = config.get("*", "core", "http_path") or "www_files";
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16
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17 local response_400 = { status = "400 Bad Request", body = "<h1>Bad Request</h1>Sorry, we didn't understand your request :(" };
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18 local response_403 = { status = "403 Forbidden", body = "<h1>Forbidden</h1>You don't have permission to view the contents of this directory :(" };
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19 local response_404 = { status = "404 Not Found", body = "<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(path)
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51 local f, err = open(http_base..path, "rb");
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52 if not f then return response_404; end
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53 local data = f:read("*a");
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54 f:close();
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55 if not data then
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56 return response_403;
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57 end
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58 local ext = path:match("%.([^.]*)$");
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59 local mime = mime_map[ext]; -- Content-Type should be nil when not known
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60 return {
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61 headers = { ["Content-Type"] = mime; };
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62 body = data;
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63 };
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64 end
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65
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66 local function handle_file_request(method, body, request)
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67 local path = preprocess_path(request.url.path);
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68 if not path then return response_400; end
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69 path = path:gsub("^/[^/]+", ""); -- Strip /files/
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70 return serve_file(path);
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71 end
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72
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73 local function handle_default_request(method, body, request)
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74 local path = preprocess_path(request.url.path);
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75 if not path then return response_400; end
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76 return serve_file(path);
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77 end
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78
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79 local function setup()
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80 local ports = config.get(module.host, "core", "http_ports") or { 5280 };
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81 httpserver.set_default_handler(handle_default_request);
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82 httpserver.new_from_config(ports, handle_file_request, { base = "files" });
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83 end
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84 if prosody.start_time then -- already started
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85 setup();
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86 else
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87 prosody.events.add_handler("server-started", setup);
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88 end