d524c7988f1a71b4d6a86f1846f21629eb332b46
[citadel.git] / webcit-ng / static / js / view_mail.js
1 // This module handles the view for "mailbox" rooms.
2 //
3 // Copyright (c) 2016-2022 by the citadel.org team
4 //
5 // This program is open source software.  Use, duplication, or
6 // disclosure are subject to the GNU General Public License v3.
7
8
9 var selected_message = 0;                                                       // Remember the last message that was selected
10 var RefreshMailboxInterval;                                                     // We store our refresh timer here
11
12
13 // Render reply address for a message (FIXME we might want to figure out in-reply-to)
14 function reply_addr(msg) {
15         if (msg.locl) {
16                 return([msg.from]);
17         }
18         else {
19                 return([msg.from + " <" + msg.rfca + ">"]);
20         }
21 }
22
23
24 // Render the To: recipients for a reply-all operation
25 function replyall_to(msg) {
26         return([...reply_addr(msg), ...msg.rcpt]);
27 }
28
29
30 // Render a message into the mailbox view
31 // (We want the message number and the message itself because we need to keep the msgnum for reply purposes)
32 function mail_render_one(msgnum, msg, target_div, include_controls) {
33         let div = "FIXME";
34         try {
35                 outmsg =
36                   "<div class=\"ctdl-mmsg-wrapper\">"                           // begin message wrapper
37                 ;
38
39                 if (include_controls) {                                         // omit controls if this is a pull quote
40                         outmsg +=
41                           render_userpic(msg.from)                              // user avatar
42                         + "<div class=\"ctdl-mmsg-content\">"                   // begin content
43                         + "<div class=\"ctdl-msg-header\">"                     // begin header
44                         + "<span class=\"ctdl-msg-header-info\">"               // begin header info on left side
45                         + render_msg_author(msg)
46                         + "<span class=\"ctdl-msgdate\">"
47                         + string_timestamp(msg.time,0)
48                         + "</span>"                                             // end msgdate
49                         + "</span>"                                             // end header info on left side
50                         + "<span class=\"ctdl-msg-header-buttons\">"            // begin buttons on right side
51                 
52                         + "<span class=\"ctdl-msg-button\">"                    // Reply (mail is always Quoted)
53                         + "<a href=\"javascript:mail_compose(true,'"+msg.wefw+"','"+msgnum+"', reply_addr(msg), [], 'Re: '+msg.subj);\">"
54                         + "<i class=\"fa fa-reply\"></i> " 
55                         + _("Reply")
56                         + "</a></span>"
57                 
58                         + "<span class=\"ctdl-msg-button\">"                    // Reply-All (mail is always Quoted)
59                         + "<a href=\"javascript:mail_compose(true,'"+msg.wefw+"','"+msgnum+"', replyall_to(msg), msg.cccc, 'Re: '+msg.subj);\">"
60                         + "<i class=\"fa fa-reply-all\"></i> " 
61                         + _("ReplyAll")
62                         + "</a></span>";
63                 
64                         if (can_delete_messages) {
65                                 outmsg +=
66                                 "<span class=\"ctdl-msg-button\">"
67                                 + "<a href=\"javascript:forum_delete_message('"+div+"','"+msg.msgnum+"');\">"
68                                 + "<i class=\"fa fa-trash\"></i> " 
69                                 + _("Delete")
70                                 + "</a></span>";
71                         }
72                 
73                         outmsg +=
74                           "</span>";                                            // end buttons on right side
75
76                         // Display the To: recipients, if any are present
77                         if (msg.rcpt) {
78                                 outmsg += "<br><span>" + _("To:") + " ";
79                                 for (var r=0; r<msg.rcpt.length; ++r) {
80                                         if (r != 0) {
81                                                 outmsg += ", ";
82                                         }
83                                         outmsg += escapeHTML(msg.rcpt[r]);
84                                 }
85                                 outmsg += "</span>";
86                         }
87
88                         // Display the Cc: recipients, if any are present
89                         if (msg.cccc) {
90                                 outmsg += "<br><span>" + _("Cc:") + " ";
91                                 for (var r=0; r<msg.cccc.length; ++r) {
92                                         if (r != 0) {
93                                                 outmsg += ", ";
94                                         }
95                                         outmsg += escapeHTML(msg.cccc[r]);
96                                 }
97                                 outmsg += "</span>";
98                         }
99
100                         // Display a subject line, but only if the message has a subject (internal Citadel messages often don't)
101                         if (msg.subj) {
102                                 outmsg +=
103                                 "<br><span class=\"ctdl-msgsubject\">" + msg.subj + "</span>";
104                         }
105
106                         outmsg +=
107                           "</div>";                                             // end header
108                 }
109
110                 outmsg +=
111                   "<div class=\"ctdl-msg-body\" id=\"" + div + "_body\">"       // begin body
112                 + msg.text
113                 + "</div>"                                                      // end body
114                 + "</div>"                                                      // end content
115                 + "</div>"                                                      // end wrapper
116                 ;
117         }
118         catch(err) {
119                 outmsg = "<div class=\"ctdl-mmsg-wrapper\">" + err.message + "</div>";
120         }
121
122         target_div.innerHTML = outmsg;
123 }
124
125
126 // display an individual message (note: this wants an actual div object, not a string containing the name of a div)
127 function mail_display_message(msgnum, target_div, include_controls) {
128         url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/" + msgnum + "/json";
129         mail_fetch_msg = async() => {
130                 response = await fetch(url);
131                 msg = await(response.json());
132                 if (response.ok) {
133                         mail_render_one(msgnum, msg, target_div, include_controls);
134                 }
135         }
136         mail_fetch_msg();
137 }
138
139
140 // A message has been selected...
141 function select_message(msgnum) {
142         // unhighlight any previously selected message
143         try {
144                 document.getElementById("ctdl-msgsum-" + selected_message).classList.remove("ctdl-mail-selected");
145         }
146         catch {
147         }
148
149         // highlight the newly selected message
150         document.getElementById("ctdl-msgsum-" + msgnum).classList.add("ctdl-mail-selected");
151         //document.getElementById("ctdl-msgsum-" + msgnum).scrollIntoView();
152
153         // display the message if it isn't already displayed
154         if (selected_message != msgnum) {
155                 selected_message = msgnum;
156                 mail_display_message(msgnum, document.getElementById("ctdl-mailbox-reading-pane"), 1);
157         }
158 }
159
160
161 // render one row in the mailbox table (this could be called from one of several places)
162 function mail_render_row(msg) {
163         row     = "<tr "
164                 + "id=\"ctdl-msgsum-" + msg["msgnum"] + "\" "
165                 + "onClick=\"select_message(" + msg["msgnum"] + ");\" "
166                 //+ "onmouseenter=\"console.log('mouse in');\" "
167                 //+ "onmouseleave=\"console.log('mouse out');\""
168                 + ">"
169                 + "<td class=\"ctdl-mail-subject\">" + msg["subject"] + "</td>"
170                 + "<td class=\"ctdl-mail-sender\">" + msg["author"] + "</td>"
171                 + "<td class=\"ctdl-mail-date\">" + string_timestamp(msg["time"],1) + "</td>"
172                 + "<td class=\"ctdl-mail-msgnum\">" + msg["msgnum"] + "</td>"
173                 + "</tr>";
174         return(row);
175 }
176
177
178 // Set up the mailbox view
179 function mail_display() {
180
181         // Put the "enter new message" button into the sidebar
182         document.getElementById("ctdl-newmsg-button").innerHTML = "<i class=\"fa fa-edit\"></i>" + _("Write mail");
183         document.getElementById("ctdl-newmsg-button").style.display = "block";
184
185         document.getElementById("ctdl-main").innerHTML
186                 = "<div id=\"ctdl-mailbox-grid-container\" class=\"ctdl-mailbox-grid-container\">"
187                 + "<div id=\"ctdl-mailbox-pane\" class=\"ctdl-mailbox-pane\"></div>"
188                 + "<div id=\"ctdl-mailbox-reading-pane\" class=\"ctdl-mailbox-reading-pane\"></div>"
189                 + "</div>"
190         ;
191
192         render_mailbox_display();
193         try {                                                   // if this was already set up, clear it so there aren't multiple
194                 clearInterval(RefreshMailboxInterval);
195         }
196         catch {
197         }
198         RefreshMailboxInterval = setInterval(refresh_mail_display, 10000);
199 }
200
201
202 // Refresh the mailbox, either for the first time or whenever needed
203 function refresh_mail_display() {
204
205         // If the "ctdl-mailbox-pane" no longer exists, the user has navigated to a different part of the site,
206         // so cancel the refresh.
207         try {
208                 document.getElementById("ctdl-mailbox-pane").innerHTML;
209         }
210         catch {
211                 console.log("ending refresh_mail_display()");
212                 clearInterval(RefreshMailboxInterval);
213                 return;
214         }
215
216         // Ask the server if the room has been written to since our last look at it.
217         url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/stat";
218         fetch_stat = async() => {
219                 response = await fetch(url);
220                 stat = await(response.json());
221                 if (stat.room_mtime > room_mtime) {
222                         room_mtime = stat.room_mtime;
223                         render_mailbox_display();
224                 }
225         }
226         fetch_stat();
227 }
228
229
230 // This is where the rendering of the message list in the mailbox view is performed.
231 function render_mailbox_display() {
232
233         url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/mailbox";
234         fetch_mailbox = async() => {
235                 response = await fetch(url);
236                 msgs = await(response.json());
237                 if (response.ok) {
238
239                         box =   "<table class=\"ctdl-mailbox-table\" width=100%><tr>"
240                                 + "<th>" + _("Subject") + "</th>"
241                                 + "<th>" + _("Sender") + "</th>"
242                                 + "<th>" + _("Date") + "</th>"
243                                 + "<th>#</th>"
244                                 + "</tr>";
245
246                         for (var i=0; i<msgs.length; ++i) {
247                                 box += mail_render_row(msgs[i]);
248                         }
249
250                         box +=  "</table>";
251                         document.getElementById("ctdl-mailbox-pane").innerHTML = box;
252
253                         if (selected_message > 0) {                     // if we had a message selected, keep it selected
254                                 select_message(selected_message);
255                         }
256                 }
257         }
258         fetch_mailbox();
259 }
260
261
262 // Compose a new mail message (called by the Reply button here, or by the dispatcher in views.js)
263 function mail_compose(is_quoted, references, quoted_msgnum, m_to, m_cc, m_subject) {
264         console.log("mail_compose()");
265
266         // m_to will be an array of zero or more recipients for the To: field.  Convert it to a string.
267         if (m_to) {
268                 m_to = Array.from(new Set(m_to));       // remove dupes
269                 m_to_str = "";
270                 for (i=0; i<m_to.length; ++i) {
271                         if (i > 0) {
272                                 m_to_str += ", ";
273                         }
274                         m_to_str += m_to[i].replaceAll("<", "&lt;").replaceAll(">", "&gt;");
275                 }
276         }
277         else {
278                 m_to_str = "";
279         }
280
281         // m_to will be an array of zero or more recipients for the Cc: field.  Convert it to a string.
282         if (m_cc) {
283                 m_cc = Array.from(new Set(m_cc));       // remove dupes
284                 m_cc_str = "";
285                 for (i=0; i<m_cc.length; ++i) {
286                         if (i > 0) {
287                                 m_cc_str += ", ";
288                         }
289                         m_cc_str += m_cc[i].replaceAll("<", "&lt;").replaceAll(">", "&gt;");
290                 }
291         }
292         else {
293                 m_cc_str = "";
294         }
295
296         quoted_div_name = randomString();
297
298         // Make the "Write mail" button disappear.  We're already there!
299         document.getElementById("ctdl-newmsg-button").style.display = "none";
300
301         // is_quoted    true or false depending on whether the user selected "reply quoted" (is this appropriate for mail?)
302         // references   list of references, be sure to use this in a reply
303         // msgid        if a reply, the msgid of the most recent message in the chain, the one to which we are replying
304
305         // Now display the screen.
306         compose_screen =
307                 // Hidden values that we are storing right here in the document tree for later
308                   "<input id=\"ctdl_mc_is_quoted\" style=\"display:none\" value=\"" + is_quoted + "\"></input>"
309                 + "<input id=\"ctdl_mc_references\" style=\"display:none\" value=\"" + references + "\"></input>"
310
311                 // Header fields, the composition window, and the button bar are arranged using a Grid layout.
312                 + "<div id=\"ctdl-compose-mail\" class=\"ctdl-compose-mail\">"
313
314                 // Visible To: field, plus a box to make the CC/BCC lines appear
315                 + "<div class=\"ctdl-compose-to-label\">" + _("To:") + "</div>"
316                 + "<div class=\"ctdl-compose-to-line\">"
317                 + "<div class=\"ctdl-compose-to-field\" id=\"ctdl-compose-to-field\" contenteditable=\"true\">" + m_to_str + "</div>"
318                 + "<div class=\"ctdl-cc-bcc-buttons ctdl-msg-button\" id=\"ctdl-cc-bcc-buttons\" "
319                 + "onClick=\"make_cc_bcc_visible()\">"
320                 + _("CC:") + "/" + _("BCC:") + "</div>"
321                 + "</div>"
322
323                 // CC/BCC
324                 + "<div class=\"ctdl-compose-cc-label\" id=\"ctdl-compose-cc-label\">" + _("CC:") + "</div>"
325                 + "<div class=\"ctdl-compose-cc-field\" id=\"ctdl-compose-cc-field\" contenteditable=\"true\">" + m_cc_str + "</div>"
326                 + "<div class=\"ctdl-compose-bcc-label\" id=\"ctdl-compose-bcc-label\">" + _("BCC:") + "</div>"
327                 + "<div class=\"ctdl-compose-bcc-field\" id=\"ctdl-compose-bcc-field\" contenteditable=\"true\"></div>"
328
329                 // Visible subject field
330                 + "<div class=\"ctdl-compose-subject-label\">" + _("Subject:") + "</div>"
331                 + "<div class=\"ctdl-compose-subject-field\" id=\"ctdl-compose-subject-field\" contenteditable=\"true\">" + m_subject + "</div>"
332
333                 // Message composition box
334                 + "<div class=\"ctdl-compose-message-box\" id=\"ctdl-editor-body\" contenteditable=\"true\">"
335         ;
336
337         if (is_quoted) {
338                 compose_screen += "<br><br><blockquote><div id=\"" + quoted_div_name + "\"></div></blockquote>";
339         }
340
341         compose_screen +=
342                   "</div>"
343
344                 // The button bar is a Grid element, and is also a Flexbox container.
345                 + "<div class=\"ctdl-compose-toolbar\">"
346                 + "<span class=\"ctdl-msg-button\" onclick=\"mail_save_message()\"><i class=\"fa fa-paper-plane\" style=\"color:green\"></i> " + _("Send message") + "</span>"
347                 + "<span class=\"ctdl-msg-button\">" + _("Save to Drafts") + "</span>"
348                 + "<span class=\"ctdl-msg-button\">" + _("Attachments:") + " 0" + "</span>"
349                 + "<span class=\"ctdl-msg-button\">" + _("Contacts") + "</span>"
350                 + "<span class=\"ctdl-msg-button\" onClick=\"gotoroom(current_room)\"><i class=\"fa fa-trash\" style=\"color:red\"></i> " + _("Cancel") + "</span>"
351                 + "</div>"
352         ;
353
354         document.getElementById("ctdl-main").innerHTML = compose_screen;
355         mail_display_message(quoted_msgnum, document.getElementById(quoted_div_name), 0);
356         if (m_cc) {
357                 document.getElementById("ctdl-compose-cc-label").style.display = "block";
358                 document.getElementById("ctdl-compose-cc-field").style.display = "block";
359         }
360 }
361
362
363 function make_cc_bcc_visible() {
364         document.getElementById("ctdl-cc-bcc-buttons").style.display = "none";
365         document.getElementById("ctdl-compose-bcc-label").style.display = "block";
366         document.getElementById("ctdl-compose-bcc-field").style.display = "block";
367 }
368
369
370 // Helper function for mail_save_messages() to extract form values.
371 // (We have to replace "|" with "!" because "|" is a field separator in the Citadel protocol)
372 function msm_field(element_name, separator) {
373         return (document.getElementById(element_name).innerHTML).replaceAll("|",separator);
374 }
375
376
377 // Save the posted message to the server
378 function mail_save_message() {
379
380         document.body.style.cursor = "wait";
381         url = "/ctdl/r/" + escapeHTMLURI(current_room)
382                 + "/dummy_name_for_new_mail"
383                 + "?wefw="      + msm_field("ctdl_mc_references", "!")                          // references (if present)
384                 + "&subj="      + msm_field("ctdl-compose-subject-field", " ")                  // subject (if present)
385                 + "&mailto="    + msm_field("ctdl-compose-to-field", ",")                       // To: (required)
386                 + "&mailcc="    + msm_field("ctdl-compose-cc-field", ",")                       // Cc: (if present)
387                 + "&mailbcc="   + msm_field("ctdl-compose-bcc-field", ",")                      // Bcc: (if present)
388         ;
389         boundary = randomString();
390         body_text =
391                 "--" + boundary + "\r\n"
392                 + "Content-type: text/html\r\n"
393                 + "Content-transfer-encoding: quoted-printable\r\n"
394                 + "\r\n"
395                 + quoted_printable_encode(
396                         "<html><body>" + document.getElementById("ctdl-editor-body").innerHTML + "</body></html>"
397                 ) + "\r\n"
398                 + "--" + boundary + "--\r\n"
399         ;
400
401         var request = new XMLHttpRequest();
402         request.open("PUT", url, true);
403         request.setRequestHeader("Content-type", "multipart/mixed; boundary=\"" + boundary + "\"");
404         request.onreadystatechange = function() {
405                 if (request.readyState == 4) {
406                         document.body.style.cursor = "default";
407                         if (Math.trunc(request.status / 100) == 2) {
408                                 headers = request.getAllResponseHeaders().split("\n");
409                                 for (var i in headers) {
410                                         if (headers[i].startsWith("etag: ")) {
411                                                 new_msg_num = headers[i].split(" ")[1];
412                                         }
413                                 }
414
415                                 // After saving the message, go back to the mailbox view.
416                                 gotoroom(current_room);
417
418                         }
419                         else {
420                                 error_message = request.responseText;
421                                 if (error_message.length == 0) {
422                                         error_message = _("An error has occurred.");
423                                 }
424                                 alert(error_message);                                           // editor remains open
425                         }
426                 }
427         };
428         request.send(body_text);
429 }
430