mod_pep: Wipe pubsub service on user deletion
Data is already wiped from storage, but this ensures everything is
properly unsubscribed, possibly with notifications etc.
Clears recipient cache as well, since it is no longer relevant.
-- Prosody IM
-- Copyright (C) 2013 Florian Zeitz
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
local format, char = string.format, string.char;
local pairs, ipairs, tonumber = pairs, ipairs, tonumber;
local t_insert, t_concat = table.insert, table.concat;
local function urlencode(s)
return s and (s:gsub("[^a-zA-Z0-9.~_-]", function (c) return format("%%%02x", c:byte()); end));
end
local function urldecode(s)
return s and (s:gsub("%%(%x%x)", function (c) return char(tonumber(c,16)); end));
end
local function _formencodepart(s)
return s and (s:gsub("%W", function (c)
if c ~= " " then
return format("%%%02x", c:byte());
else
return "+";
end
end));
end
local function formencode(form)
local result = {};
if form[1] then -- Array of ordered { name, value }
for _, field in ipairs(form) do
t_insert(result, _formencodepart(field.name).."=".._formencodepart(field.value));
end
else -- Unordered map of name -> value
for name, value in pairs(form) do
t_insert(result, _formencodepart(name).."=".._formencodepart(value));
end
end
return t_concat(result, "&");
end
local function formdecode(s)
if not s:match("=") then return urldecode(s); end
local r = {};
for k, v in s:gmatch("([^=&]*)=([^&]*)") do
k, v = k:gsub("%+", "%%20"), v:gsub("%+", "%%20");
k, v = urldecode(k), urldecode(v);
t_insert(r, { name = k, value = v });
r[k] = v;
end
return r;
end
local function contains_token(field, token)
field = ","..field:gsub("[ \t]", ""):lower()..",";
return field:find(","..token:lower()..",", 1, true) ~= nil;
end
local function normalize_path(path, is_dir)
if is_dir then
if path:sub(-1,-1) ~= "/" then path = path.."/"; end
else
if path:sub(-1,-1) == "/" then path = path:sub(1, -2); end
end
if path:sub(1,1) ~= "/" then path = "/"..path; end
return path;
end
return {
urlencode = urlencode, urldecode = urldecode;
formencode = formencode, formdecode = formdecode;
contains_token = contains_token;
normalize_path = normalize_path;
};