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 var highest_mailnum;                                                            // This is used to detect newly arrived mail
  12 var newmail_notify = {
  13         NO  : 0,                                                                // do not perform new mail notifications
  14         YES : 1                                                                 // yes, perform new mail notifications
  15 };
  16
  17
  18 // Render reply address for a message (FIXME figure out how to deal with "reply-to:")
  19 function reply_addr(msg) {
  20         //if (msg.locl) {
  21                 //return([msg.from]);
  22         //}
  23         //else {
  24                 return([msg.from + " &lt;" + msg.rfca + "&gt;"]);
  25         //}
  26 }
  27
  28
  29 // Render the To: recipients for a reply-all operation
  30 function replyall_to(msg) {
  31         return([...reply_addr(msg), ...msg.rcpt]);
  32 }
  33
  34
  35 // Render a message into the mailbox view
  36 // (We want the message number and the message itself because we need to keep the msgnum for reply purposes)
  37 function mail_render_one(msgnum, msg, target_div, include_controls) {
  38         let div = "FIXME";
  39         try {
  40                 outmsg =
  41                   "<div class=\"ctdl-mmsg-wrapper\">"                           // begin message wrapper
  42                 ;
  43
  44                 if (include_controls) {                                         // omit controls if this is a pull quote
  45                         outmsg +=
  46                           render_userpic(msg.from)                              // user avatar
  47                         + "<div class=\"ctdl-mmsg-content\">"                   // begin content
  48                         + "<div class=\"ctdl-msg-header\">"                     // begin header
  49                         + "<span class=\"ctdl-msg-header-info\">"               // begin header info on left side
  50                         + render_msg_author(msg, views.VIEW_MAILBOX)
  51                         + "<span class=\"ctdl-msgdate\">"
  52                         + string_timestamp(msg.time,0)
  53                         + "</span>"                                             // end msgdate
  54                         + "</span>"                                             // end header info on left side
  55                         + "<span class=\"ctdl-msg-header-buttons\">"            // begin buttons on right side
  56
  57                         + "<span class=\"ctdl-msg-button\">"                    // Reply (mail is always Quoted)
  58                         + "<a href=\"javascript:mail_compose(true,'"+msg.wefw+"','"+msgnum+"', reply_addr(msg), [], 'Re: '+msg.subj);\">"
  59                         + "<i class=\"fa fa-reply\"></i> "
  60                         + _("Reply")
  61                         + "</a></span>"
  62
  63                         + "<span class=\"ctdl-msg-button\">"                    // Reply-All (mail is always Quoted)
  64                         + "<a href=\"javascript:mail_compose(true,'"+msg.wefw+"','"+msgnum+"', replyall_to(msg), msg.cccc, 'Re: '+msg.subj);\">"
  65                         + "<i class=\"fa fa-reply-all\"></i> "
  66                         + _("ReplyAll")
  67                         + "</a></span>";
  68
  69                         if (can_delete_messages) {
  70                                 outmsg +=
  71                                 "<span class=\"ctdl-msg-button\">"
  72                                 + "<a href=\"javascript:forum_delete_message('"+div+"','"+msg.msgnum+"');\">"
  73                                 + "<i class=\"fa fa-trash\"></i> "
  74                                 + _("Delete")
  75                                 + "</a></span>";
  76                         }
  77
  78                         outmsg +=
  79                           "</span>";                                            // end buttons on right side
  80
  81                         // Display the To: recipients, if any are present
  82                         if (msg.rcpt) {
  83                                 outmsg += "<br><span>" + _("To:") + " ";
  84                                 for (var r=0; r<msg.rcpt.length; ++r) {
  85                                         if (r != 0) {
  86                                                 outmsg += ", ";
  87                                         }
  88                                         outmsg += escapeHTML(msg.rcpt[r]);
  89                                 }
  90                                 outmsg += "</span>";
  91                         }
  92
  93                         // Display the Cc: recipients, if any are present
  94                         if (msg.cccc) {
  95                                 outmsg += "<br><span>" + _("Cc:") + " ";
  96                                 for (var r=0; r<msg.cccc.length; ++r) {
  97                                         if (r != 0) {
  98                                                 outmsg += ", ";
  99                                         }
 100                                         outmsg += escapeHTML(msg.cccc[r]);
 101                                 }
 102                                 outmsg += "</span>";
 103                         }
 104
 105                         // Display a subject line, but only if the message has a subject (internal Citadel messages often don't)
 106                         if (msg.subj) {
 107                                 outmsg +=
 108                                 "<br><span class=\"ctdl-msgsubject\">" + msg.subj + "</span>";
 109                         }
 110
 111                         outmsg +=
 112                           "</div>";                                             // end header
 113                 }
 114
 115                 outmsg +=
 116                   "<div class=\"ctdl-msg-body\" id=\"" + div + "_body\">"       // begin body
 117                 + msg.text
 118                 + "</div>"                                                      // end body
 119                 + "</div>"                                                      // end content
 120                 + "</div>"                                                      // end wrapper
 121                 ;
 122         }
 123         catch(err) {
 124                 outmsg = "<div class=\"ctdl-mmsg-wrapper\">" + err.message + "</div>";
 125         }
 126
 127         target_div.innerHTML = outmsg;
 128 }
 129
 130
 131 // display an individual message (note: this wants an actual div object, not a string containing the name of a div)
 132 function mail_display_message(msgnum, target_div, include_controls) {
 133         url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/" + msgnum + "/json";
 134         mail_fetch_msg = async() => {
 135                 response = await fetch(url);
 136                 msg = await(response.json());
 137                 if (response.ok) {
 138                         mail_render_one(msgnum, msg, target_div, include_controls);
 139                 }
 140         }
 141         mail_fetch_msg();
 142 }
 143
 144
 145 // A message has been selected...
 146 function select_message(msgnum) {
 147         // unhighlight any previously selected message
 148         try {
 149                 document.getElementById("ctdl-msgsum-" + selected_message).classList.remove("ctdl-mail-selected");
 150         }
 151         catch {
 152         }
 153
 154         // highlight the newly selected message
 155         document.getElementById("ctdl-msgsum-" + msgnum).classList.add("ctdl-mail-selected");
 156         //document.getElementById("ctdl-msgsum-" + msgnum).scrollIntoView();
 157
 158         // display the message if it isn't already displayed
 159         if (selected_message != msgnum) {
 160                 selected_message = msgnum;
 161                 mail_display_message(msgnum, document.getElementById("ctdl-mailbox-reading-pane"), 1);
 162         }
 163 }
 164
 165
 166 // render one row in the mailbox table (this could be called from one of several places)
 167 function mail_render_row(msg) {
 168         row     = "<tr "
 169                 + "id=\"ctdl-msgsum-" + msg["msgnum"] + "\" "
 170                 + "onClick=\"select_message(" + msg["msgnum"] + ");\" "
 171                 //+ "onmouseenter=\"console.log('mouse in');\" "
 172                 //+ "onmouseleave=\"console.log('mouse out');\""
 173                 + ">"
 174                 + "<td class=\"ctdl-mail-subject\">" + msg["subject"] + "</td>"
 175                 + "<td class=\"ctdl-mail-sender\">" + msg["author"] + "</td>"
 176                 + "<td class=\"ctdl-mail-date\">" + string_timestamp(msg["time"],1) + "</td>"
 177                 + "<td class=\"ctdl-mail-msgnum\">" + msg["msgnum"] + "</td>"
 178                 + "</tr>";
 179         return(row);
 180 }
 181
 182
 183 // RENDERER FOR THIS VIEW
 184 function view_render_mail() {
 185         // Put the "enter new message" button into the sidebar
 186         document.getElementById("ctdl-newmsg-button").innerHTML = "<i class=\"fa fa-edit\"></i>" + _("Write mail");
 187         document.getElementById("ctdl-newmsg-button").style.display = "block";
 188
 189         document.getElementById("ctdl-main").innerHTML
 190                 = "<div id=\"ctdl-mailbox-grid-container\" class=\"ctdl-mailbox-grid-container\">"
 191                 + "<div id=\"ctdl-mailbox-pane\" class=\"ctdl-mailbox-pane\"></div>"
 192                 + "<div id=\"ctdl-mailbox-reading-pane\" class=\"ctdl-mailbox-reading-pane\"></div>"
 193                 + "</div>"
 194         ;
 195
 196         highest_mailnum = 0;                                    // Keep track of highest message number to track newly arrived messages
 197         render_mailbox_display(newmail_notify.NO);
 198         try {                                                   // if this was already set up, clear it so there aren't multiple
 199                 clearInterval(RefreshMailboxInterval);
 200         }
 201         catch {
 202         }
 203         RefreshMailboxInterval = setInterval(refresh_mail_display, 10000);
 204 }
 205
 206
 207 // Refresh the mailbox, either for the first time or whenever needed
 208 function refresh_mail_display() {
 209         // If the "ctdl-mailbox-pane" no longer exists, the user has navigated to a different part of the site,
 210         // so cancel the refresh.
 211         try {
 212                 document.getElementById("ctdl-mailbox-pane").innerHTML;
 213         }
 214         catch {
 215                 clearInterval(RefreshMailboxInterval);
 216                 return;
 217         }
 218
 219         // Ask the server if the room has been written to since our last look at it.
 220         url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/stat";
 221         fetch_stat = async() => {
 222                 response = await fetch(url);
 223                 stat = await(response.json());
 224                 if (stat.room_mtime > room_mtime) {
 225                         room_mtime = stat.room_mtime;
 226                         render_mailbox_display(newmail_notify.YES);
 227                 }
 228         }
 229         fetch_stat();
 230 }
 231
 232
 233 // This is where the rendering of the message list in the mailbox view is performed.
 234 // Set notify to newmail_notify.NO or newmail_notify.YES depending on whether we are interested in the arrival of new messages.
 235 function render_mailbox_display(notify) {
 236
 237         url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/mailbox";
 238         fetch_mailbox = async() => {
 239                 response = await fetch(url);
 240                 msgs = await(response.json());
 241                 if (response.ok) {
 242
 243                         box =   "<table class=\"ctdl-mailbox-table\" width=100%><tr>"
 244                                 + "<th>" + _("Subject") + "</th>"
 245                                 + "<th>" + _("Sender") + "</th>"
 246                                 + "<th>" + _("Date") + "</th>"
 247                                 + "<th>#</th>"
 248                                 + "</tr>";
 249
 250                         for (let i=0; i<msgs.length; ++i) {
 251                                 box += mail_render_row(msgs[i]);
 252                                 let m = parseInt(msgs[i].msgnum);
 253                                 if (m > highest_mailnum) {
 254                                         highest_mailnum = m;
 255                                 }
 256                         }
 257
 258                         box +=  "</table>";
 259                         document.getElementById("ctdl-mailbox-pane").innerHTML = box;
 260
 261                         if (selected_message > 0) {                     // if we had a message selected, keep it selected
 262                                 select_message(selected_message);
 263                         }
 264                 }
 265         }
 266         fetch_mailbox();
 267 }
 268
 269
 270 // Compose a new mail message (called by the Reply button here, or by the dispatcher in views.js)
 271 function mail_compose(is_quoted, references, quoted_msgnum, m_to, m_cc, m_subject) {
 272         // m_to will be an array of zero or more recipients for the To: field.  Convert it to a string.
 273         if (m_to) {
 274                 m_to = Array.from(new Set(m_to));       // remove dupes
 275                 m_to_str = "";
 276                 for (i=0; i<m_to.length; ++i) {
 277                         if (i > 0) {
 278                                 m_to_str += ", ";
 279                         }
 280                         m_to_str += m_to[i].replaceAll("<", "&lt;").replaceAll(">", "&gt;");
 281                 }
 282         }
 283         else {
 284                 m_to_str = "";
 285         }
 286
 287         // m_to will be an array of zero or more recipients for the Cc: field.  Convert it to a string.
 288         if (m_cc) {
 289                 m_cc = Array.from(new Set(m_cc));       // remove dupes
 290                 m_cc_str = "";
 291                 for (i=0; i<m_cc.length; ++i) {
 292                         if (i > 0) {
 293                                 m_cc_str += ", ";
 294                         }
 295                         m_cc_str += m_cc[i].replaceAll("<", "&lt;").replaceAll(">", "&gt;");
 296                 }
 297         }
 298         else {
 299                 m_cc_str = "";
 300         }
 301
 302         quoted_div_name = randomString();
 303
 304         // Make the "Write mail" button disappear.  We're already there!
 305         document.getElementById("ctdl-newmsg-button").style.display = "none";
 306
 307         // is_quoted    true or false depending on whether the user selected "reply quoted" (is this appropriate for mail?)
 308         // references   list of references, be sure to use this in a reply
 309         // msgid        if a reply, the msgid of the most recent message in the chain, the one to which we are replying
 310
 311         // Now display the screen.
 312         compose_screen =
 313                 // Hidden values that we are storing right here in the document tree for later
 314                   "<input id=\"ctdl_mc_is_quoted\" style=\"display:none\" value=\"" + is_quoted + "\"></input>"
 315                 + "<input id=\"ctdl_mc_references\" style=\"display:none\" value=\"" + references + "\"></input>"
 316
 317                 // Header fields, the composition window, and the button bar are arranged using a Grid layout.
 318                 + "<div id=\"ctdl-compose-mail\" class=\"ctdl-compose-mail\">"
 319
 320                 // Visible To: field, plus a box to make the CC/BCC lines appear
 321                 + "<div class=\"ctdl-compose-to-label\">" + _("To:") + "</div>"
 322                 + "<div class=\"ctdl-compose-to-line\">"
 323                 + "<div class=\"ctdl-compose-to-field\" id=\"ctdl-compose-to-field\" contenteditable=\"true\">" + m_to_str + "</div>"
 324                 + "<div class=\"ctdl-cc-bcc-buttons ctdl-msg-button\" id=\"ctdl-cc-bcc-buttons\" "
 325                 + "onClick=\"make_cc_bcc_visible()\">"
 326                 + _("CC:") + "/" + _("BCC:") + "</div>"
 327                 + "</div>"
 328
 329                 // CC/BCC
 330                 + "<div class=\"ctdl-compose-cc-label\" id=\"ctdl-compose-cc-label\">" + _("CC:") + "</div>"
 331                 + "<div class=\"ctdl-compose-cc-field\" id=\"ctdl-compose-cc-field\" contenteditable=\"true\">" + m_cc_str + "</div>"
 332                 + "<div class=\"ctdl-compose-bcc-label\" id=\"ctdl-compose-bcc-label\">" + _("BCC:") + "</div>"
 333                 + "<div class=\"ctdl-compose-bcc-field\" id=\"ctdl-compose-bcc-field\" contenteditable=\"true\"></div>"
 334
 335                 // Visible subject field
 336                 + "<div class=\"ctdl-compose-subject-label\">" + _("Subject:") + "</div>"
 337                 + "<div class=\"ctdl-compose-subject-field\" id=\"ctdl-compose-subject-field\" contenteditable=\"true\">" + m_subject + "</div>"
 338
 339                 // Message composition box
 340                 + "<div class=\"ctdl-compose-message-box\" id=\"ctdl-editor-body\" contenteditable=\"true\">"
 341         ;
 342
 343         if (is_quoted) {
 344                 compose_screen += "<br><br><blockquote><div id=\"" + quoted_div_name + "\"></div></blockquote>";
 345         }
 346
 347         compose_screen +=
 348                   "</div>"
 349
 350                 // The button bar is a Grid element, and is also a Flexbox container.
 351                 + "<div class=\"ctdl-compose-toolbar\">"
 352                 + "<span class=\"ctdl-msg-button\" onclick=\"mail_send_message()\"><i class=\"fa fa-paper-plane\" style=\"color:green\"></i> " + _("Send message") + "</span>"
 353                 + "<span class=\"ctdl-msg-button\">" + _("Save to Drafts") + "</span>"
 354                 + "<span class=\"ctdl-msg-button\">" + _("Attachments:") + " 0" + "</span>"
 355                 + "<span class=\"ctdl-msg-button\">" + _("Contacts") + "</span>"
 356                 + "<span class=\"ctdl-msg-button\" onClick=\"gotoroom(current_room)\"><i class=\"fa fa-trash\" style=\"color:red\"></i> " + _("Cancel") + "</span>"
 357                 + "</div>"
 358         ;
 359
 360         document.getElementById("ctdl-main").innerHTML = compose_screen;
 361         mail_display_message(quoted_msgnum, document.getElementById(quoted_div_name), 0);
 362         if (m_cc) {
 363                 document.getElementById("ctdl-compose-cc-label").style.display = "block";
 364                 document.getElementById("ctdl-compose-cc-field").style.display = "block";
 365         }
 366 }
 367
 368
 369 // Called when the user clicks the button to make the hidden "CC" and "BCC" lines appear.
 370 // It is also called automatically during a Reply when CC is pre-populated.
 371 function make_cc_bcc_visible() {
 372         document.getElementById("ctdl-cc-bcc-buttons").style.display = "none";
 373         document.getElementById("ctdl-compose-bcc-label").style.display = "block";
 374         document.getElementById("ctdl-compose-bcc-field").style.display = "block";
 375 }
 376
 377
 378 // Helper function for mail_send_messages() to extract and decode metadata values.
 379 function msm_field(element_name, separator) {
 380         let s1 = document.getElementById(element_name).innerHTML;
 381         let s2 = s1.replaceAll("|",separator);          // Replace "|" with "!" because "|" is a field separator in Citadel wire protocol
 382         let s3 = decodeURI(s2);
 383         let s4 = document.createElement("textarea");    // This One Weird Trick Unescapes All HTML Entities
 384         s4.innerHTML = s3;
 385         let s5 = s4.value;
 386         return(s5);
 387 }
 388
 389
 390 // Save the posted message to the server
 391 function mail_send_message() {
 392
 393         document.body.style.cursor = "wait";
 394         let url = "/ctdl/r/" + escapeHTMLURI(current_room)
 395                 + "/dummy_name_for_new_mail"
 396                 + "?wefw="      + msm_field("ctdl_mc_references", "!")                          // references (if present)
 397                 + "&subj="      + msm_field("ctdl-compose-subject-field", " ")                  // subject (if present)
 398                 + "&mailto="    + msm_field("ctdl-compose-to-field", ",")                       // To: (required)
 399                 + "&mailcc="    + msm_field("ctdl-compose-cc-field", ",")                       // Cc: (if present)
 400                 + "&mailbcc="   + msm_field("ctdl-compose-bcc-field", ",")                      // Bcc: (if present)
 401         ;
 402         boundary = randomString();
 403         body_text =
 404                 "--" + boundary + "\r\n"
 405                 + "Content-type: text/html\r\n"
 406                 + "Content-transfer-encoding: quoted-printable\r\n"
 407                 + "\r\n"
 408                 + quoted_printable_encode(
 409                         "<html><body>" + document.getElementById("ctdl-editor-body").innerHTML + "</body></html>"
 410                 ) + "\r\n"
 411                 + "--" + boundary + "--\r\n"
 412         ;
 413
 414         var request = new XMLHttpRequest();
 415         request.open("PUT", url, true);
 416         request.setRequestHeader("Content-type", "multipart/mixed; boundary=\"" + boundary + "\"");
 417         request.onreadystatechange = function() {
 418                 if (request.readyState == 4) {
 419                         document.body.style.cursor = "default";
 420                         if (Math.trunc(request.status / 100) == 2) {
 421                                 headers = request.getAllResponseHeaders().split("\n");
 422                                 for (var i in headers) {
 423                                         if (headers[i].startsWith("etag: ")) {
 424                                                 new_msg_num = headers[i].split(" ")[1];
 425                                         }
 426                                 }
 427
 428                                 // After saving the message, go back to the mailbox view.
 429                                 gotoroom(current_room);
 430
 431                         }
 432                         else {
 433                                 error_message = request.responseText;
 434                                 if (error_message.length == 0) {
 435                                         error_message = _("An error has occurred.");
 436                                 }
 437                                 alert(error_message);                                           // editor remains open
 438                         }
 439                 }
 440         };
 441         request.send(body_text);
 442 }