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readme updated
[etc/awesome.git] / widgets / imap.lua
1
2 --[[
3                                                   
4      Licensed under GNU General Public License v2 
5       * (c) 2013, Luke Bonham                     
6                                                   
7 --]]
8
9 local markup       = require("lain.util.markup")
10 local helpers      = require("lain.helpers")
11
12 local awful        = require("awful")
13 local beautiful    = require("beautiful")
14 local naughty      = require("naughty")
15 local wibox        = require("wibox")
16
17 local io           = io
18 local tonumber     = tonumber
19 local string       = string
20
21 local setmetatable = setmetatable
22
23 -- Mail imap check
24 -- lain.widgets.imap
25 local imap = {} 
26
27 function worker(args)
28     local args = args or {}
29
30     local server = args.server
31     local mail = args.mail
32     local password = args.password
33
34     local port = args.port or "993"
35     local refresh_timeout = args.refresh_timeout or 60
36     local header = args.header or " Mail "
37     local header_color = args.header_color or beautiful.fg_normal or "#FFFFFF"
38     local color_newmail = args.color_newmail or beautiful.fg_focus or "#FFFFFF"
39     local color_nomail = args.color_nomail or beautiful.fg_normal or "#FFFFFF"
40     local mail_encoding = args.mail_encoding or nil
41     local maxlen = args.maxlen or 200
42     local app = args.app or "mutt"
43     local is_plain = args.is_plain or false
44     local shadow = args.shadow or false
45
46     helpers.set_map(mail, true)
47     helpers.set_map(mail .. " count", "0")
48
49     local checkmail = helpers.scripts_dir .. "checkmail"
50
51     if not is_plain
52     then
53         local f = io.popen(password)
54         password = f:read("*all"):gsub("\n", ""):gsub("\r", "")
55         f:close()
56     end
57
58     local myimapcheck = wibox.widget.textbox()
59
60     local myimapcheckupdate = function()
61         function set_nomail()
62             if shadow
63             then
64                 myimapcheck:set_text('')
65             else
66                 myimapcheck:set_markup(markup(color_nomail, " no mail "))
67             end
68         end
69
70         conn = io.popen("ip link show")
71         check_conn = conn:read("*all") 
72         conn:close()
73
74         if not check_conn:find("state UP") then
75                set_nomail()
76                return
77         end
78
79         to_execute = checkmail .. ' -s ' .. server ..
80                      ' -u ' .. mail .. ' -p ' .. password
81                      .. ' --port ' .. port
82
83         if mail_encoding ~= nil
84         then
85             to_execute = to_execute .. ' --encoding '
86                          .. mail_encoding
87         end
88
89         f = io.popen(to_execute)
90         ws = f:read("*all")
91         f:close()
92
93         if ws:find("No new messages") ~= nil
94         then
95             helpers.set_map(mail, true)
96             set_nomail()
97         elseif ws:find("CheckMailError: invalid credentials") ~= nil
98         then
99             helpers.set_map(mail, true)
100             myimapcheck.set_markup(markup(header_color, header) ..
101                                    markup(color_newmail, "invalid credentials "))
102         else
103             mailcount = ws:match("%d") or "?"
104
105             if helpers.get_map(mail .. " count") ~= mailcount and mailcount ~= "?"
106             then
107                 helpers.set_map(mail, true)
108                 helpers.set_map(mail .. " count", mailcount)
109             end
110
111             myimapcheck:set_markup(markup(header_color, header) ..
112                                    markup(color_newmail, mailcount) .. " ")
113
114             if helpers.get_map(mail)
115             then
116                 if mailcount == "?"
117                 -- May happens sometimes using keyrings or other password fetchers.
118                 -- Since this should be automatically fixed in short times, we threat
119                 -- this exception delaying the update to the next timeout.
120                 then
121                     set_nomail()
122                     return
123                 elseif tonumber(mailcount) >= 1
124                 then
125                     notify_title = ws:match(mail .. " has %d new message.?")
126                     ws = ws:gsub(notify_title, "", 1):gsub("\n", "", 2)
127
128                     ws = ws:gsub("--Content.%S+.-\n", "")
129                     ws = ws:gsub("--%d+.-\n", "")
130
131                     if string.len(ws) > maxlen
132                     then
133                         ws = ws:sub(1, maxlen) .. "[...]"
134                     end
135
136                     notify_title = notify_title:gsub("\n", "")
137                 end
138
139                 naughty.notify({ title = notify_title,
140                                  fg = color_newmail,
141                                  text = ws,
142                                  icon = beautiful.lain_mail_notify or
143                                         helpers.icons_dir .. "mail.png",
144                                  timeout = 8,
145                                  position = "top_left" })
146
147                 helpers.set_map(mail, false)
148             end
149         end
150     end
151
152     local myimapchecktimer = timer({ timeout = refresh_timeout })
153     myimapchecktimer:connect_signal("timeout", myimapcheckupdate)
154     myimapchecktimer:start()
155     myimapcheck:buttons(awful.util.table.join(
156         awful.button({}, 0,
157
158             function()
159                 helpers.run_in_terminal(app)
160             end)
161     ))
162
163     return myimapcheck
164 end
165
166 return setmetatable(imap, { __call = function(_, ...) return worker(...) end })