Mercurial > prosody-modules

annotate mod_data_access/mod_data_access.lua @ 455:52f2188ec47d

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mod_default_vcard: Sets initial vCard from data enterd on registration
author Kim Alvefur <zash@zash.se>
date Sat, 15 Oct 2011 13:43:37 +0200
parents 84caab2bc02c
children bbea8081c865
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1 -- HTTP Access to datamanager
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2 -- By Kim Alvefur <zash@zash.se>
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3
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4 local t_concat = table.concat;
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5 local jid_prep = require "util.jid".prep;
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6 local jid_split = require "util.jid".split;
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7 local um_test_pw = require "core.usermanager".test_password;
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8 local is_admin = require "core.usermanager".is_admin
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9 local dm_load = require "util.datamanager".load;
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10 local dm_store = require "util.datamanager".store;
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11 local dm_list_load = require "util.datamanager".list_load;
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12 local dm_list_append = require "util.datamanager".list_append;
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13 local b64_decode = require "util.encodings".base64.decode;
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14 local http = require "net.http";
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15 local urldecode = http.urldecode;
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16 local urlencode = http.urlencode;
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17 local function http_response(code, message, extra_headers)
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18 local response = {
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19 status = code .. " " .. message;
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20 body = message .. "\n"; }
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21 if extra_headers then response.headers = extra_headers; end
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22 return response
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23 end
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24
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25 local encoders = {
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26 lua = require "util.serialization".serialize,
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27 json = require "util.json".encode
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28 };
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29 local decoders = {
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30 lua = require "util.serialization".deserialize,
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31 json = require "util.json".decode,
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32 };
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33 local content_type_map = {
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34 ["text/x-lua"] = "lua"; lua = "text/x-lua";
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35 ["application/json"] = "json"; json = "application/json";
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36 }
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37 --[[
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38 encoders.xml = function(data)
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39 return "<?xml version='1.0' encoding='utf-8'?><todo:write-this-serializer/>";
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40 end --]]
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41
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42 local allowed_methods = {
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43 GET = true, "GET",
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44 PUT = true, "PUT",
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45 POST = true, "POST",
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46 }
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47
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48 local function handle_request(method, body, request)
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49 if not allowed_methods[method] then
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50 return http_response(405, "Method Not Allowed", {["Allow"] = t_concat(allowed_methods, ", ")});
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51 end
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52
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53 if not request.headers["authorization"] then
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54 return http_response(401, "Unauthorized",
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55 {["WWW-Authenticate"]='Basic realm="WallyWorld"'})
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56 end
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57 local user, password = b64_decode(request.headers.authorization
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58 :match("[^ ]*$") or ""):match("([^:]*):(.*)");
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59 user = jid_prep(user);
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60 if not user or not password then return http_response(400, "Bad Request"); end
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61 local user_node, user_host = jid_split(user)
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62 if not hosts[user_host] then return http_response(401, "Unauthorized"); end
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63
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64 module:log("debug", "authz %s", user)
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65 if not um_test_pw(user_node, user_host, password) then
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66 return http_response(401, "Unauthorized");
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67 end
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68
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69 module:log("debug", "spliting path");
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70 local path = {};
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71 for i in string.gmatch(request.url.path, "[^/]+") do
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72 table.insert(path, i);
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73 end
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74 table.remove(path, 1); -- the first /data
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75 module:log("debug", "split path, got %d parts: %s", #path, table.concat(path, ", "));
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76
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77 if #path < 3 then
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78 module:log("debug", "since we need at least 3 parts, adding %s/%s", user_host, user_node);
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79 table.insert(path, 1, user_node);
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80 table.insert(path, 1, user_host);
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81 --return http_response(400, "Bad Request");
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82 end
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83
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84 if #path < 3 then
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85 return http_response(404, "Not Found");
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86 end
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87
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88 local p_host, p_user, p_store, p_type = unpack(path);
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89
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90 if not p_store or not p_store:match("^[%a_]+$") then
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91 return http_response(404, "Not Found");
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92 end
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93
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94 if user_host ~= path[1] or user_node ~= path[2] then
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95 -- To only give admins acces to anything, move the inside of this block after authz
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96 module:log("debug", "%s wants access to %s@%s[%s], is admin?", user, p_user, p_host, p_store)
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97 if not is_admin(user, p_host) then
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98 return http_response(403, "Forbidden");
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99 end
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100 end
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101
455
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102 if method == "GET" then
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103 local data = dm_load(p_user, p_host, p_store);
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104
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105 data = data or dm_load_list(p_user, p_host, p_store);
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106
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107 --TODO Use the Accept header
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108 content_type = p_type or "json";
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109 if data and encoders[content_type] then
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110 return {
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111 status = "200 OK",
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112 body = encoders[content_type](data) .. "\n",
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113 headers = {["content-type"] = content_type_map[content_type].."; charset=utf-8"}
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114 };
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115 else
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116 return http_response(404, "Not Found");
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117 end
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118 else -- POST or PUT
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119 if not body then
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120 return http_response(400, "Bad Request")
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121 end
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122 local content_type, content = request.headers["content-type"], body;
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123 content_type = content_type and content_type_map[content_type]
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124 module:log("debug", "%s: %s", content_type, tostring(content));
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125 content = content_type and decoders[content_type] and decoders[content_type](content);
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126 module:log("debug", "%s: %s", type(content), tostring(content));
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127 if not content then
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128 return http_response(400, "Bad Request")
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129 end
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130 local ok, err
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131 if method == "PUT" then
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132 ok, err = dm_store(p_user, p_host, p_store, content);
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133 elseif method == "POST" then
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134 ok, err = dm_list_append(p_user, p_host, p_store, content);
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135 end
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136 if ok then
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137 return http_response(201, "Created", { Location = t_concat({"/data",p_host,p_user,p_store}, "/") });
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138 else
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139 return { status = "500 Internal Server Error", body = err }
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140 end
318
84caab2bc02c mod_data_access: New plugin providing a HTTP interface to Prosodys datamanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
141 end
84caab2bc02c mod_data_access: New plugin providing a HTTP interface to Prosodys datamanager
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parents:
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142 end
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parents:
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143
84caab2bc02c mod_data_access: New plugin providing a HTTP interface to Prosodys datamanager
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parents:
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144 local function setup()
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parents:
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145 local ports = module:get_option("data_access_ports") or { 5280 };
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parents:
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146 require "net.httpserver".new_from_config(ports, handle_request, { base = "data" });
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parents:
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147 end
84caab2bc02c mod_data_access: New plugin providing a HTTP interface to Prosodys datamanager
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parents:
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148 if prosody.start_time then -- already started
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parents:
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149 setup();
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parents:
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150 else
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parents:
diff changeset
151 prosody.events.add_handler("server-started", setup);
84caab2bc02c mod_data_access: New plugin providing a HTTP interface to Prosodys datamanager
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parents:
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152 end