annotate mod_couchdb/couchdb/couchapi.lib.lua @ 5468:14b5446e22e1

mod_http_oauth2: Fix returning errors from response handlers This would either redirect the user back to the client along with the error code, or show the error HTML template. Previously this would just show some JSON to the user.
author Kim Alvefur <zash@zash.se>
date Thu, 18 May 2023 12:57:23 +0200
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;