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1(*
2 * jmap_mailbox_explorer.ml - A tool for exploring email mailboxes using JMAP
3 *
4 * This binary demonstrates JMAP's mailbox query and manipulation capabilities,
5 * allowing for exploring, creating, and analyzing mailboxes.
6 *)
7
8open Cmdliner
9(* Using standard OCaml, no Lwt *)
10
11(* JMAP imports *)
12open Jmap
13open Jmap.Types
14open Jmap.Wire
15open Jmap.Methods
16open Jmap_email
17(* For step 2, we're only testing type checking. No implementations required. *)
18
19(* JMAP mailbox handling *)
20module Jmap_mailbox = struct
21 (* Dummy mailbox functions *)
22 let id mailbox = "mailbox-id"
23 let name mailbox = "mailbox-name"
24 let parent_id mailbox = None
25 let role mailbox = None
26 let total_emails mailbox = 0
27 let unread_emails mailbox = 0
28end
29
30(* Unix implementation would be used here *)
31module Unix = struct
32 let connect ~host ~username ~password ?auth_method () =
33 failwith "Not implemented"
34end
35
36(** Types for mailbox explorer *)
37type mailbox_stats = {
38 time_periods : (string * int) list;
39 senders : (string * int) list;
40 subjects : (string * int) list;
41}
42
43type mailbox_explorer_args = {
44 list : bool;
45 stats : bool;
46 mailbox : string option;
47 create : string option;
48 parent : string option;
49 query_mailbox : string option;
50 days : int;
51 format : [`Tree | `Flat | `Json];
52}
53
54(** Command-line arguments **)
55
56let host_arg =
57 Arg.(required & opt (some string) None & info ["h"; "host"]
58 ~docv:"HOST" ~doc:"JMAP server hostname")
59
60let user_arg =
61 Arg.(required & opt (some string) None & info ["u"; "user"]
62 ~docv:"USERNAME" ~doc:"Username for authentication")
63
64let password_arg =
65 Arg.(required & opt (some string) None & info ["p"; "password"]
66 ~docv:"PASSWORD" ~doc:"Password for authentication")
67
68let list_arg =
69 Arg.(value & flag & info ["l"; "list"] ~doc:"List all mailboxes")
70
71let stats_arg =
72 Arg.(value & flag & info ["s"; "stats"] ~doc:"Show mailbox statistics")
73
74let mailbox_arg =
75 Arg.(value & opt (some string) None & info ["m"; "mailbox"]
76 ~docv:"MAILBOX" ~doc:"Filter by mailbox name")
77
78let create_arg =
79 Arg.(value & opt (some string) None & info ["create"]
80 ~docv:"NAME" ~doc:"Create a new mailbox")
81
82let parent_arg =
83 Arg.(value & opt (some string) None & info ["parent"]
84 ~docv:"PARENT" ~doc:"Parent mailbox for creation")
85
86let query_mailbox_arg =
87 Arg.(value & opt (some string) None & info ["query"]
88 ~docv:"QUERY" ~doc:"Query emails in the specified mailbox")
89
90let days_arg =
91 Arg.(value & opt int 7 & info ["days"]
92 ~docv:"DAYS" ~doc:"Days to analyze for mailbox statistics")
93
94let format_arg =
95 Arg.(value & opt (enum [
96 "tree", `Tree;
97 "flat", `Flat;
98 "json", `Json;
99 ]) `Tree & info ["format"] ~docv:"FORMAT" ~doc:"Output format")
100
101(** Mailbox Explorer Functionality **)
102
103(* Get standard role name for display *)
104let role_name = function
105 | `Inbox -> "Inbox"
106 | `Archive -> "Archive"
107 | `Drafts -> "Drafts"
108 | `Sent -> "Sent"
109 | `Trash -> "Trash"
110 | `Junk -> "Junk"
111 | `Important -> "Important"
112 | `Flagged -> "Flagged"
113 | `Snoozed -> "Snoozed"
114 | `Scheduled -> "Scheduled"
115 | `Memos -> "Memos"
116 | `Other name -> name
117 | `None -> "(No role)"
118
119(* Display mailboxes in tree format *)
120let display_mailbox_tree mailboxes format stats =
121 (* Helper to find children of a parent *)
122 let find_children parent_id =
123 mailboxes |> List.filter (fun mailbox ->
124 match Jmap_mailbox.parent_id mailbox with
125 | Some id when id = parent_id -> true
126 | _ -> false
127 )
128 in
129
130 (* Helper to find mailboxes without a parent (root level) *)
131 let find_roots () =
132 mailboxes |> List.filter (fun mailbox ->
133 Jmap_mailbox.parent_id mailbox = None
134 )
135 in
136
137 (* Get mailbox name with role *)
138 let mailbox_name_with_role mailbox =
139 let name = Jmap_mailbox.name mailbox in
140 match Jmap_mailbox.role mailbox with
141 | Some role -> Printf.sprintf "%s (%s)" name (role_name role)
142 | None -> name
143 in
144
145 (* Helper to get statistics for a mailbox *)
146 let get_stats mailbox =
147 let id = Jmap_mailbox.id mailbox in
148 let total = Jmap_mailbox.total_emails mailbox in
149 let unread = Jmap_mailbox.unread_emails mailbox in
150
151 match Hashtbl.find_opt stats id with
152 | Some mailbox_stats ->
153 let recent = match List.assoc_opt "Last week" mailbox_stats.time_periods with
154 | Some count -> count
155 | None -> 0
156 in
157 (total, unread, recent)
158 | None -> (total, unread, 0)
159 in
160
161 (* Helper to print a JSON representation *)
162 let print_json_mailbox mailbox indent =
163 let id = Jmap_mailbox.id mailbox in
164 let name = Jmap_mailbox.name mailbox in
165 let role = match Jmap_mailbox.role mailbox with
166 | Some role -> Printf.sprintf "\"%s\"" (role_name role)
167 | None -> "null"
168 in
169 let total, unread, recent = get_stats mailbox in
170
171 let indent_str = String.make indent ' ' in
172 Printf.printf "%s{\n" indent_str;
173 Printf.printf "%s \"id\": \"%s\",\n" indent_str id;
174 Printf.printf "%s \"name\": \"%s\",\n" indent_str name;
175 Printf.printf "%s \"role\": %s,\n" indent_str role;
176 Printf.printf "%s \"totalEmails\": %d,\n" indent_str total;
177 Printf.printf "%s \"unreadEmails\": %d,\n" indent_str unread;
178 Printf.printf "%s \"recentEmails\": %d\n" indent_str recent;
179 Printf.printf "%s}" indent_str
180 in
181
182 (* Recursive function to print a tree of mailboxes *)
183 let rec print_tree_level mailboxes level =
184 mailboxes |> List.iteri (fun i mailbox ->
185 let id = Jmap_mailbox.id mailbox in
186 let name = mailbox_name_with_role mailbox in
187 let total, unread, recent = get_stats mailbox in
188
189 let indent = String.make (level * 2) ' ' in
190 let is_last = i = List.length mailboxes - 1 in
191 let prefix = if level = 0 then "" else
192 if is_last then "└── " else "├── " in
193
194 match format with
195 | `Tree ->
196 Printf.printf "%s%s%s" indent prefix name;
197 if stats <> Hashtbl.create 0 then
198 Printf.printf " (%d emails, %d unread, %d recent)" total unread recent;
199 Printf.printf "\n";
200
201 (* Print children *)
202 let children = find_children id in
203 let child_indent = level + 1 in
204 print_tree_level children child_indent
205
206 | `Flat ->
207 Printf.printf "%s [%s]\n" name id;
208 if stats <> Hashtbl.create 0 then
209 Printf.printf " Emails: %d total, %d unread, %d in last week\n"
210 total unread recent;
211
212 (* Print children *)
213 let children = find_children id in
214 print_tree_level children 0
215
216 | `Json ->
217 print_json_mailbox mailbox (level * 2);
218
219 (* Handle commas between mailboxes *)
220 let children = find_children id in
221 if children <> [] || (not is_last) then Printf.printf ",\n" else Printf.printf "\n";
222
223 (* Print children as a "children" array *)
224 if children <> [] then begin
225 Printf.printf "%s\"children\": [\n" (String.make ((level * 2) + 2) ' ');
226 print_tree_level children (level + 2);
227 Printf.printf "%s]\n" (String.make ((level * 2) + 2) ' ');
228
229 (* Add comma if not the last mailbox *)
230 if not is_last then Printf.printf "%s,\n" (String.make (level * 2) ' ');
231 end
232 )
233 in
234
235 (* Print the mailbox tree *)
236 match format with
237 | `Tree | `Flat ->
238 Printf.printf "Mailboxes:\n";
239 print_tree_level (find_roots()) 0
240 | `Json ->
241 Printf.printf "{\n";
242 Printf.printf " \"mailboxes\": [\n";
243 print_tree_level (find_roots()) 1;
244 Printf.printf " ]\n";
245 Printf.printf "}\n"
246
247(* Command implementation *)
248let mailbox_command host user password list stats mailbox create parent
249 query_mailbox days format : int =
250 (* Pack arguments into a record for easier passing *)
251 let args : mailbox_explorer_args = {
252 list; stats; mailbox; create; parent;
253 query_mailbox; days; format
254 } in
255
256 (* Main workflow would be implemented here using the JMAP library *)
257 Printf.printf "JMAP Mailbox Explorer\n";
258 Printf.printf "Server: %s\n" host;
259 Printf.printf "User: %s\n\n" user;
260
261 (* This is where the actual JMAP calls would happen, like:
262
263 let explore_mailboxes () =
264 let* (ctx, session) = Jmap.Unix.connect
265 ~host ~username:user ~password
266 ~auth_method:(Jmap.Unix.Basic(user, password)) () in
267
268 (* Get primary account ID *)
269 let account_id = match Jmap.get_primary_account session Jmap_email.capability_mail with
270 | Ok id -> id
271 | Error _ -> failwith "No mail account found"
272 in
273
274 (* Create a new mailbox if requested *)
275 if args.create <> None then
276 let name = Option.get args.create in
277 let parent_id_opt = match args.parent with
278 | None -> None
279 | Some parent_name ->
280 (* Resolve parent name to ID - would need to search for it *)
281 None (* This would actually find or return an error *)
282 in
283
284 let create_mailbox = Jmap_mailbox.create
285 ~name
286 ?parent_id:parent_id_opt
287 () in
288
289 let* result = Jmap_mailbox.set ctx
290 ~account_id
291 ~create:(Hashtbl.of_seq (Seq.return ("new", create_mailbox)))
292 () in
293
294 (* Handle mailbox creation result *)
295 ...
296
297 (* List mailboxes *)
298 if args.list || args.stats then
299 (* Query mailboxes *)
300 let filter =
301 if args.mailbox <> None then
302 Jmap_mailbox.filter_name_contains (Option.get args.mailbox)
303 else
304 Jmap_mailbox.Filter.condition (`Assoc [])
305 in
306
307 let* mailbox_ids = Jmap_mailbox.query ctx
308 ~account_id
309 ~filter
310 ~sort:[Jmap_mailbox.sort_by_name () ]
311 () in
312
313 match mailbox_ids with
314 | Error err ->
315 Printf.eprintf "Error querying mailboxes: %s\n" (Jmap.Error.error_to_string err);
316 Lwt.return_unit
317 | Ok (ids, _) ->
318 (* Get full mailbox objects *)
319 let* mailboxes = Jmap_mailbox.get ctx
320 ~account_id
321 ~ids
322 ~properties:["id"; "name"; "parentId"; "role"; "totalEmails"; "unreadEmails"] in
323
324 match mailboxes with
325 | Error err ->
326 Printf.eprintf "Error getting mailboxes: %s\n" (Jmap.Error.error_to_string err);
327 Lwt.return_unit
328 | Ok (_, mailbox_list) ->
329 (* If stats requested, gather email stats for each mailbox *)
330 let* stats_opt =
331 if args.stats then
332 (* For each mailbox, gather stats like weekly counts *)
333 ...
334 else
335 Lwt.return (Hashtbl.create 0)
336 in
337
338 (* Display mailboxes in requested format *)
339 display_mailbox_tree mailbox_list args.format stats_opt;
340 Lwt.return_unit
341
342 (* Query emails in a specific mailbox *)
343 if args.query_mailbox <> None then
344 let mailbox_name = Option.get args.query_mailbox in
345
346 (* Find mailbox ID from name *)
347 ...
348
349 (* Query emails in that mailbox *)
350 ...
351 *)
352
353 if create <> None then
354 Printf.printf "Creating mailbox: %s\n" (Option.get create);
355
356 if list || stats then
357 Printf.printf "Listing mailboxes%s:\n"
358 (if stats then " with statistics" else "");
359
360 (* Example output for a tree of mailboxes *)
361 (match format with
362 | `Tree ->
363 Printf.printf "Mailboxes:\n";
364 Printf.printf "Inbox (14 emails, 3 unread, 5 recent)\n";
365 Printf.printf "├── Work (8 emails, 2 unread, 3 recent)\n";
366 Printf.printf "│ └── Project A (3 emails, 1 unread, 2 recent)\n";
367 Printf.printf "└── Personal (6 emails, 1 unread, 2 recent)\n"
368 | `Flat ->
369 Printf.printf "Inbox [mbox1]\n";
370 Printf.printf " Emails: 14 total, 3 unread, 5 in last week\n";
371 Printf.printf "Work [mbox2]\n";
372 Printf.printf " Emails: 8 total, 2 unread, 3 in last week\n";
373 Printf.printf "Project A [mbox3]\n";
374 Printf.printf " Emails: 3 total, 1 unread, 2 in last week\n";
375 Printf.printf "Personal [mbox4]\n";
376 Printf.printf " Emails: 6 total, 1 unread, 2 in last week\n"
377 | `Json ->
378 Printf.printf "{\n";
379 Printf.printf " \"mailboxes\": [\n";
380 Printf.printf " {\n";
381 Printf.printf " \"id\": \"mbox1\",\n";
382 Printf.printf " \"name\": \"Inbox\",\n";
383 Printf.printf " \"role\": \"Inbox\",\n";
384 Printf.printf " \"totalEmails\": 14,\n";
385 Printf.printf " \"unreadEmails\": 3,\n";
386 Printf.printf " \"recentEmails\": 5\n";
387 Printf.printf " }\n";
388 Printf.printf " ]\n";
389 Printf.printf "}\n");
390
391 if query_mailbox <> None then
392 Printf.printf "\nQuerying emails in mailbox: %s\n" (Option.get query_mailbox);
393
394 (* Since we're only type checking, we'll exit with success *)
395 0
396
397(* Command definition *)
398let mailbox_cmd =
399 let doc = "explore and manage mailboxes using JMAP" in
400 let man = [
401 `S Manpage.s_description;
402 `P "Lists, creates, and analyzes email mailboxes using JMAP.";
403 `P "Demonstrates JMAP's mailbox query and management capabilities.";
404 `S Manpage.s_examples;
405 `P " $(mname) -h jmap.example.com -u user@example.com -p secret123 --list";
406 `P " $(mname) -h jmap.example.com -u user@example.com -p secret123 --stats --mailbox Inbox";
407 `P " $(mname) -h jmap.example.com -u user@example.com -p secret123 --create \"Work/Project X\" --parent Work";
408 ] in
409
410 let cmd =
411 Cmd.v
412 (Cmd.info "jmap-mailbox-explorer" ~version:"1.0" ~doc ~man)
413 Term.(const mailbox_command $ host_arg $ user_arg $ password_arg $
414 list_arg $ stats_arg $ mailbox_arg $ create_arg $
415 parent_arg $ query_mailbox_arg $ days_arg $ format_arg)
416 in
417 cmd
418
419(* Main entry point *)
420let () = exit (Cmd.eval' mailbox_cmd)