annotate mod_couchdb/couchdb/couchapi.lib.lua @ 3037:bae7b0a002ef

mod_auth_http_cookie: Possibly temporary fork of mod_http_auth_async that adds cookie auth support
author Matthew Wild <mwild1@gmail.com>
date Thu, 24 May 2018 13:25:13 +0100
parents 316d7c8e1fb0
children
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1
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2 local setmetatable = setmetatable;
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3 local pcall = pcall;
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4 local type = type;
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5 local t_concat = table.concat;
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6 local print = print;
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7
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8 local socket_url = require "socket.url";
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9 local http = require "socket.http";
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10 local ltn12 = require "ltn12";
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11
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12 --local json = require "json";
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13 local json = module:require("couchdb/json");
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14
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15 --module("couchdb")
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16 local _M = {};
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17
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18 local function urlcat(url, path)
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19 return url:gsub("/*$", "").."/"..path:gsub("^/*", "");
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20 end
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21
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22 local doc_mt = {};
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23 doc_mt.__index = doc_mt;
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24
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25 function doc_mt:get()
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26 return self.db:get(socket_url.escape(self.id));
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27 end
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28 function doc_mt:put(val)
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29 return self.db:put(socket_url.escape(self.id), val);
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30 end
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31 function doc_mt:__tostring()
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32 return "couchdb.doc("..self.url..")";
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33 end
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35
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36 local db_mt = {};
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37 db_mt.__index = db_mt;
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38
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39 function db_mt:__tostring()
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40 return "couchdb.db("..self.url..")";
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41 end
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42 function db_mt:doc(id)
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43 local url = urlcat(self.url, socket_url.escape(id));
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44 return setmetatable({ url = url, db = self, id = id }, doc_mt);
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45 end
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46 function db_mt:get(id)
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47 local url = urlcat(self.url, id);
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48 local a,b = http.request(url);
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49 local r,x = pcall(json.decode, a);
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50 if r then a = x; end
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51 return a,b;
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52 end
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53 function db_mt:put(id, value)
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54 local url = urlcat(self.url, id);
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55 if type(value) == "table" then
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56 value = json.encode(value);
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57 elseif value ~= nil and type(value) ~= "string" then
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58 return nil, "Invalid type";
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59 end
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60 local t = {};
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61 local a,b = http.request {
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62 url = url,
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63 sink = ltn12.sink.table(t),
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64 source = ltn12.source.string(value),
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65 method = "PUT",
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66 headers = {
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67 ["Content-Length"] = #value,
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68 ["Content-Type"] = "application/json"
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69 }
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70 };
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71 a = t_concat(t);
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72 local r,x = pcall(json.decode, a);
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73 if r then a = x; end
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74 return a,b;
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75 end
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76
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77
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78 local server_mt = {};
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79 server_mt.__index = server_mt;
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80
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81 function server_mt:db(name)
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82 local url = urlcat(self.url, socket_url.escape(name));
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83 return setmetatable({ url = url }, db_mt);
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84 end
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85 function server_mt:__tostring()
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86 return "couchdb.server("..self.url..")";
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87 end
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88
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89
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90 function _M.server(url)
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91 return setmetatable({ url = url }, server_mt);
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92 end
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93 function _M.db(url)
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94 return setmetatable({ url = url }, db_mt);
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95 end
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96
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97 return _M;