prosody
37b9b8e171b9
plugins/storage/mod_storage.lua

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plugins/storage/mod_storage.lua @ 3426:37b9b8e171b9

util.sasl_cyrus: Removed method:forbidden().
author Waqas Hussain <waqas20@gmail.com>
date Mon, 02 Aug 2010 18:46:13 +0500
parent 3277:da0f55661e2b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2678
c5882e2e12b5 mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
parents:
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1
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2 module:set_global();
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3
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4 local cache = { data = {} };
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5 function cache:get(key) return self.data[key]; end
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6 function cache:set(key, val) self.data[key] = val; return val; end
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7
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da0f55661e2b mod_storage: Make DBI a soft dependency, not a hard one.
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8 local _,DBI = pcall(require, "DBI");
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9 function get_database(driver, db, ...)
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10 local uri = "dbi:"..driver..":"..db;
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11 return cache:get(uri) or cache:set(uri, (function(...)
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12 module:log("debug", "Opening database: %s", uri);
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13 prosody.unlock_globals();
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14 local dbh = assert(DBI.Connect(...));
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15 prosody.lock_globals();
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16 dbh:autocommit(true)
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17 return dbh;
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18 end)(driver, db, ...));
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Waqas Hussain <waqas20@gmail.com>
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19 end
c5882e2e12b5 mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
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20
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21 local st = require "util.stanza";
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22 local _parse_xml = module:require("xmlparse");
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23 parse_xml_real = _parse_xml;
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24 function parse_xml(str)
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25 local s = _parse_xml(str);
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26 if s and not s.gsub then
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27 return st.preserialize(s);
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28 end
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Waqas Hussain <waqas20@gmail.com>
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29 end
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Waqas Hussain <waqas20@gmail.com>
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30 function unparse_xml(s)
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31 return tostring(st.deserialize(s));
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32 end
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33
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34 local drivers = {};
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35
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36 --local driver = module:require("sqlbasic").new("SQLite3", "hello.sqlite");
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37 local option_datastore = module:get_option("datastore");
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38 local option_datastore_params = module:get_option("datastore_params") or {};
c5882e2e12b5 mod_storage, plus a bit of SQL and XML.
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39 if option_datastore then
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40 local driver = module:require(option_datastore).new(unpack(option_datastore_params));
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41 table.insert(drivers, driver);
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42 end
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43
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44 local datamanager = require "util.datamanager";
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45 local olddm = {};
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46 local dm = {};
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47 for key,val in pairs(datamanager) do olddm[key] = val; end
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48
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49 do -- driver based on old datamanager
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50 local dmd = {};
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51 dmd.__index = dmd;
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52 function dmd:open(host, datastore)
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53 return setmetatable({ host = host, datastore = datastore }, dmd);
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54 end
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55 function dmd:get(user) return olddm.load(user, self.host, self.datastore); end
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56 function dmd:set(user, data) return olddm.store(user, self.host, self.datastore, data); end
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Waqas Hussain <waqas20@gmail.com>
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57 table.insert(drivers, dmd);
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Waqas Hussain <waqas20@gmail.com>
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58 end
c5882e2e12b5 mod_storage, plus a bit of SQL and XML.
Waqas Hussain <waqas20@gmail.com>
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59
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60 local function open(...)
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61 for _,driver in pairs(drivers) do
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62 local ds = driver:open(...);
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63 if ds then return ds; end
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Waqas Hussain <waqas20@gmail.com>
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64 end
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Waqas Hussain <waqas20@gmail.com>
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65 end
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Waqas Hussain <waqas20@gmail.com>
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66
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67 local _data_path;
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68 --function dm.set_data_path(path) _data_path = path; end
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69 --function dm.add_callback(...) end
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70 --function dm.remove_callback(...) end
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71 --function dm.getpath(...) end
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72 function dm.load(username, host, datastore)
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73 local x = open(host, datastore);
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74 return x:get(username);
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75 end
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76 function dm.store(username, host, datastore, data)
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77 return open(host, datastore):set(username, data);
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Waqas Hussain <waqas20@gmail.com>
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78 end
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79 --function dm.list_append(...) return driver:list_append(...); end
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80 --function dm.list_store(...) return driver:list_store(...); end
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81 --function dm.list_load(...) return driver:list_load(...); end
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Waqas Hussain <waqas20@gmail.com>
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82
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83 for key,val in pairs(dm) do datamanager[key] = val; end