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plugins/mod_httpserver.lua @ 3016:b6046df19898
util.sasl.scram: Fixed global access.
author | Waqas Hussain <waqas20@gmail.com> |
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date | Thu, 06 May 2010 15:19:20 +0500 |
parent | 2925:692b3c6c5bd2 |
child | 3353:cd3cbf361f8f |
rev | line source |
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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 |
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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 |