Skip to content
This repository

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
tree: 5cba00e9e6
Fetching contributors…

Octocat-spinner-32-eaf2f5

Cannot retrieve contributors at this time

file 236 lines (223 sloc) 8.895 kb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235
(*
* (c) 2004-2010 Anastasia Gornostaeva. <ermine@ermine.pp.ru>
*)

open XMPP
open JID
open Hooks
open Muc
open Sqlite3

module Sql = Seen_sql.Make(Sqlgg_sqlite3)
  
exception Break

type seen_context = {
  db : Sqlite3.db;
  changes : (string, string) Hashtbl.t
}
  
let cmd_greet =
  Pcre.regexp ~flags:[`DOTALL; `UTF8] "([^\\s]+)\\s+([^\\s]+)\\s+(.+)"
    
let add_greet db xmpp env kind jid_from text =
  if text <> "" then
    try
      let res = Pcre.exec ~rex:cmd_greet ~pos:0 text in
      let jid = jid_of_string (Pcre.get_substring res 1) in
      let jid = string_of_jid (bare_jid jid) in
      let room = jid_of_string (Pcre.get_substring res 2) in
      let room = string_of_jid (bare_jid room) in
      let greet = Pcre.get_substring res 3 in
        match Sql.check_greet db ~jid ~room with
          | Some _ ->
              ignore (Sql.update_greet db ~msg:greet ~jid ~room);
              env.env_message xmpp kind jid_from
                (Lang.get_msg env.env_lang "plugin_seen_greet_updated" [])
          | None ->
              ignore (Sql.add_greet db ~jid ~room ~msg:greet);
              env.env_message xmpp kind jid_from
                (Lang.get_msg env.env_lang "plugin_seen_greet_added" [])
    with Not_found ->
      env.env_message xmpp kind jid_from
        (Lang.get_msg env.env_lang "plugin_seen_greet_bad_syntax" [])
    
let muc_seen ctx muc_context xmpp env jid_from event =
  match event with
    | MUC_join -> (
        let nick = jid_from.lresource in
        let room_env = get_room_env muc_context jid_from in
        let item = Occupant.find nick room_env.occupants in
        let room = string_of_jid (bare_jid jid_from) in
        let jid =
          match item.jid with
            | None -> ""
            | Some j -> string_of_jid (bare_jid j)
        in
          match Sql.get_greet ctx.db ~jid ~room with
            | None -> ()
            | Some msg ->
                env.env_message xmpp (Some Groupchat) jid_from
                  (Printf.sprintf "[%s] %s" jid_from.resource msg)
      )
    | MUC_nick (newnick, _reason) ->
        let oldnick = jid_from.lresource in
          Hashtbl.add ctx.changes oldnick newnick
    | MUC_leave reason
    | MUC_ban reason
    | MUC_kick reason
    | MUC_members_only reason -> (
        let nick = jid_from.lresource in
        let room_env = get_room_env muc_context jid_from in
        let item = Occupant.find nick room_env.occupants in
        let room = string_of_jid (bare_jid jid_from) in
        let last = Int64.of_float (Unix.gettimeofday ()) in
        let action =
          match event with
            | MUC_leave _ -> "left"
            | MUC_kick _ -> "kick"
            | MUC_ban _ -> "ban"
            | MUC_members_only _ -> "unmember"
            | _ -> "left"
        in
        let reason =
          match reason with
            | None -> ""
            | Some v -> v
        in
          match item.jid with
            | None -> (
                let jid = "" in
                  match Sql.check_user_by_nick ctx.db ~nick ~room with
                    | None ->
                        ignore (Sql.add_user_by_nick ctx.db ~nick ~jid ~room
                                  ~last ~reason ~action)
                    | Some _ ->
                        ignore (Sql.update_user_by_nick ctx.db ~nick ~room
                                  ~last ~reason ~action)
              )
            | Some j -> (
                let jid = string_of_jid j in
                  match Sql.check_user_by_jid ctx.db ~jid ~room with
                    | None ->
                        ignore (Sql.add_user_by_jid ctx.db ~nick ~jid ~room
                                  ~last ~reason ~action)
                    | Some _ ->
                        ignore (Sql.update_user_by_jid ctx.db ~jid ~room
                                  ~last ~reason ~action)
              )
      )
    | _ ->
        ()
        
let find_nick (jid:string) occupants =
  let result = ref [] in
    Occupant.iter (fun nick item ->
                     match item.jid with
                       | None -> ()
                       | Some j ->
                           if jid = string_of_jid (bare_jid j) then
                             result := nick :: !result
                  ) occupants;
    if !result = [] then raise Not_found else !result
      
let verify_nick nick jid occupants env =
  try
    let item = Occupant.find nick occupants in
      match item.jid with
        | None ->
            Lang.get_msg env.env_lang "plugin_seen_is_here" [nick]
        | Some j ->
            if jid = string_of_jid (bare_jid j) then
              Lang.get_msg env.env_lang "plugin_seen_is_here" [nick]
            else if jid = "" then
              Lang.get_msg env.env_lang "plugin_seen_is_here" [nick]
            else
              try let changed = find_nick jid occupants in
                Lang.get_msg env.env_lang "plugin_seen_changed_nick"
                  [nick; (String.concat ", " changed)]
              with Not_found ->
                Lang.get_msg env.env_lang "plugin_seen_is_not_same" [nick; nick]
  with Not_found ->
    if jid <> "" then
      let changed = find_nick jid occupants in
        Lang.get_msg env.env_lang "plugin_seen_changed_nick"
          [nick; (String.concat ", " changed)]
    else
      raise Not_found
        
let seen ctx muc_context xmpp env kind jid_from text =
  if text = "" then
    env.env_message xmpp kind jid_from
      (Lang.get_msg env.env_lang "plugin_seen_whom" [])
  else
    if text = jid_from.resource then
      env.env_message xmpp kind jid_from
        (Lang.get_msg env.env_lang "plugin_seen_you" [])
    else
      let room_env = get_room_env muc_context jid_from in
      let room = string_of_jid (bare_jid jid_from) in
      let reply =
        match Sql.seen_by_nick ctx.db ~nick:text ~room with
          | Some (jid, last, action, reason) -> (
              try verify_nick text jid room_env.occupants env
              with Not_found ->
                let stamp = Int64.to_float last in
                let diff =
                  Lang.expand_time ~lang:env.env_lang "seen"
                    (int_of_float
                       (Unix.gettimeofday () -. stamp)) in
                  if reason = "" then
                    Lang.get_msg env.env_lang
                      (match action with
                         | "kick" -> "plugin_seen_kicked"
                         | "ban" -> "plugin_seen_banned"
                         | "unmember" -> "plugin_seen_unmembered"
                         | _ -> "plugin_seen_left")
                      [text; diff]
                  else
                    Lang.get_msg env.env_lang
                      (match action with
                         | "kick" ->
                             "plugin_seen_kicked_reason"
                         | "ban" ->
                             "plugin_seen_banned_reason"
                         | "unmember" ->
                             "plugin_seen_unmembered_reason"
                         | _ ->
                             "plugin_seen_left_reason")
                      [text; diff; reason]
            )
          | None -> (
              if Occupant.mem text room_env.occupants then
                Lang.get_msg env.env_lang "plugin_seen_is_here" [text]
              else
                let changed =
                  try Some (Hashtbl.find ctx.changes text)
                  with Not_found -> None in
                  match changed with
                    | Some newnick ->
                        if newnick = jid_from.lresource then
                          Lang.get_msg env.env_lang "plugin_seen_you" []
                        else
                          Lang.get_msg env.env_lang "plugin_seen_changed_nick"
                            [text; newnick]
                    | None ->
                        Lang.get_msg env.env_lang "plugin_seen_never_seen" [text]
            )
      in
        env.env_message xmpp kind jid_from reply
            
let plugin opts =
  let file =
    try List.assoc "file" (List.assoc "db" opts)
    with Not_found -> "sulci_users.db" in
    Muc.add_for_muc_context
      (fun muc_context xmpp ->
         (* get spool path *)
         let db = db_open file in
           ignore (Sql.create_greeting db);
           ignore (Sql.create_index_gr_index db);
           ignore (Sql.create_users db);
           ignore (Sql.create_index_users_index db);
           ignore (Sql.create_index_users_nicks db);
           let ctx = {
             db = db;
             changes = Hashtbl.create 10
           } in
             Muc.add_muc_event_handler muc_context (muc_seen ctx);
             Plugin_command.add_commands xmpp
               ["greet", add_greet db;
                "seen", seen ctx muc_context] opts
      )
  
let () =
  Plugin.add_plugin "seen" plugin
Something went wrong with that request. Please try again.