2 // Copyright (c) 2016-2021 by the citadel.org team
4 // This program is open source software. It runs great on the
5 // Linux operating system (and probably elsewhere). You can use,
6 // copy, and run it under the terms of the GNU General Public
7 // License version 3. Richard Stallman is an asshole communist.
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
17 function forum_readmessages(target_div, gt_msg, lt_msg) {
18 original_text = document.getElementById(target_div).innerHTML; // in case we need to replace it after an error
19 document.getElementById(target_div).innerHTML =
20 "<div class=\"ctdl-forum-nav\"><i class=\"fas fa-spinner fa-spin\"></i> "
21 + _("Loading messages from server, please wait") + "</div>";
23 if (lt_msg < 9999999999) {
24 url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.lt|" + lt_msg;
27 url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.gt|" + gt_msg;
30 fetch_msg_list = async() => {
31 response = await fetch(url);
32 msgs = await(response.json());
34 document.getElementById(target_div).innerHTML = "" ;
36 // If we were given an explicit starting point, by all means start there.
37 // Note that we don't have to remove them from the array because we did a 'msgs gt|xxx' command to Citadel.
39 msgs = msgs.slice(0, messages_per_page);
42 // Otherwise, show us the last 20 messages
44 if (msgs.length > messages_per_page) {
45 msgs = msgs.slice(msgs.length - messages_per_page);
47 new_old_div_name = randomString(5);
48 if (msgs.length < 1) {
54 document.getElementById(target_div).innerHTML +=
55 "<div id=\"" + new_old_div_name + "\">" +
56 "<div class=\"ctdl-forum-nav\">" +
57 "<a href=\"javascript:forum_readmessages('" + new_old_div_name + "', 0, " + newlt + ");\">" +
58 "<i class=\"fa fa-arrow-circle-up\"></i> " +
59 _("Older posts") + " <i class=\"fa fa-arrow-circle-up\"></a></div></div></a></div></div>" ;
62 // Render an empty div for each message. We will fill them in later.
64 document.getElementById(target_div).innerHTML += "<div id=\"ctdl_msg_" + msgs[i] + "\"> </div>" ;
65 document.getElementById("ctdl_msg_"+msgs[i]).style.display = "none";
67 if (lt_msg == 9999999999) {
68 new_new_div_name = randomString(5);
69 if (msgs.length <= 0) {
73 newgt = msgs[msgs.length-1];
75 document.getElementById(target_div).innerHTML +=
76 "<div id=\"" + new_new_div_name + "\">" +
77 "<div class=\"ctdl-forum-nav\">" +
78 "<a href=\"javascript:forum_readmessages('" + new_new_div_name + "', " + newgt + ", 9999999999);\">" +
79 "<i class=\"fa fa-arrow-circle-down\"></i> " +
80 _("Newer posts") + " <i class=\"fa fa-arrow-circle-down\"></a></div></div>" ;
83 // Now figure out where to scroll to after rendering.
87 else if (lt_msg < 9999999999) {
88 scroll_to = msgs[msgs.length-1];
90 else if ( (logged_in) && (gt_msg == 0) && (lt_msg == 9999999999) ) {
91 scroll_to = msgs[msgs.length-1];
94 scroll_to = msgs[0]; // FIXME this is too naive
97 // Render the individual messages in the divs
98 forum_render_messages(msgs, "ctdl_msg_", scroll_to)
101 // if xhr fails, this will make the link reappear so the user can try again
102 document.getElementById(target_div).innerHTML = original_text;
109 // Render a range of messages, with the div prefix specified
111 function forum_render_messages(msgs, prefix, scroll_to) {
112 for (i=0; i<msgs.length; ++i) {
113 forum_render_one(prefix, msgs[i], scroll_to);
118 // We have to put each XHR for forum_render_messages() into its own stack frame, otherwise it jumbles them together. I don't know why.
119 function forum_render_one(prefix, msgnum, scroll_to) {
120 fetch_message = async() => {
121 response = await fetch("/ctdl/r/" + escapeHTMLURI(current_room) + "/" + msgs[i] + "/json");
122 msg = await response.json();
125 "<div class=\"ctdl-msg-wrapper\">" // begin message wrapper
126 + "<div class=\"ctdl-avatar\">" // begin avatar
127 + "<img src=\"/ctdl/u/" + msg.from + "/userpic\" width=\"32\" "
128 + "onerror=\"this.parentNode.innerHTML='<i class="fa fa-user-circle fa-2x"></i> '\">"
129 + "</div>" // end avatar
130 + "<div class=\"ctdl-msg-content\">" // begin content
131 + "<div class=\"ctdl-msg-header\">" // begin header
132 + "<span class=\"ctdl-msg-header-info\">" // begin header info on left side
133 + "<span class=\"ctdl-username\"><a href=\"#\">" // FIXME link to user profile
135 + "</a></span>" // end username
136 + "<span class=\"ctdl-msgdate\">"
138 + "</span>" // end msgdate
139 + "</span>" // end header info on left side
140 + "<span class=\"ctdl-msg-header-buttons\">" // begin buttons on right side
142 + "<span class=\"ctdl-msg-button\">" // Reply button FIXME make this work
143 + "<a href=\"javascript:open_reply_box('"+prefix+"',"+msgnum+",false);\">"
144 + "<i class=\"fa fa-reply\"></i> "
148 + "<span class=\"ctdl-msg-button\">" // ReplyQuoted , only show in forums FIXME
149 + "<a href=\"javascript:open_reply_box('"+prefix+"',"+msgnum+",true);\">"
150 + "<i class=\"fa fa-comment\"></i> "
154 + "<span class=\"ctdl-msg-button\"><a href=\"#\">" // Delete , show only with permission FIXME
155 + "<i class=\"fa fa-trash\"></i> "
159 + "</span>"; // end buttons on right side
162 "<br><span class=\"ctdl-msgsubject\">" + msg.subj + "</span>";
165 "</div><br>" // end header
166 + "<div class=\"ctdl-msg-body\">" // begin body
168 + "</div>" // end body
169 + "</div>" // end content
170 + "</div>" // end wrapper
172 document.getElementById(prefix+msgnum).innerHTML = outmsg;
175 document.getElementById(prefix+msgnum).innerHTML = "ERROR";
177 document.getElementById(prefix+msgnum).style.display = "inline";
178 if (msgnum == scroll_to) {
179 document.getElementById(prefix+msgnum).scrollIntoView({behavior: "smooth", block: "start", inline: "nearest"});
186 // Open a reply box directly below a specific message
187 function open_reply_box(prefix, msgnum, is_quoted) {
188 target_div_name = prefix+msgnum;
189 new_div_name = prefix + "_reply_to_" + msgnum;
190 document.getElementById(target_div_name).outerHTML += "<div id=\"" + new_div_name + "\">reply box put here</div>";
193 "<div class=\"ctdl-msg-wrapper\">" // begin message wrapper
194 + "<div class=\"ctdl-avatar\">" // begin avatar
195 + "<img src=\"/ctdl/u/" + "FIXME my name" + "/userpic\" width=\"32\" "
196 + "onerror=\"this.parentNode.innerHTML='<i class="fa fa-user-circle fa-2x"></i> '\">"
197 + "</div>" // end avatar
198 + "<div class=\"ctdl-msg-content\">" // begin content
199 + "<div class=\"ctdl-msg-header\">" // begin header
200 + "<span class=\"ctdl-msg-header-info\">" // begin header info on left side
201 + "<span class=\"ctdl-username\"><a href=\"#\">" // FIXME link to user profile
203 + "</a></span>" // end username
204 + "<span class=\"ctdl-msgdate\">"
206 + "</span>" // end msgdate
207 + "</span>" // end header info on left side
208 + "<span class=\"ctdl-msg-header-buttons\">" // begin buttons on right side
210 + "</span>"; // end buttons on right side
213 "<br><span class=\"ctdl-msgsubject\">" + "FIXME subject" + "</span>";
216 "</div><br>" // end header
219 + "<div class=\"ctdl-msg-body\" id=\"ctdl-editor-body\" style=\"padding:5px;\" contenteditable=\"true\">" // begin body
220 + "\n" // empty initial content
221 + "</div>" // end body
224 + "<div class=\"ctdl-msg-header\">" // begin footer
225 + "<span class=\"ctdl-msg-header-info\">" // begin footer info on left side
227 + "</span>" // end footer info on left side
228 + "<span class=\"ctdl-msg-header-buttons\">" // begin buttons on right side
230 + "<span class=\"ctdl-msg-button\"><a href=\"javascript:save_message('" + new_div_name + "', '" + msgnum + "');\">"
231 + "<i class=\"fa fa-check\" style=\"color:green\"></i> " // save button
235 + "<span class=\"ctdl-msg-button\"><a href=\"javascript:cancel_post('" + new_div_name + "');\">"
236 + "<i class=\"fa fa-trash\" style=\"color:red\"></i> " // cancel button
240 + "</span>" // end buttons on right side
241 + "</div><br>" // end footer
244 + "</div>" // end content
245 + "</div>" // end wrapper
248 document.getElementById(new_div_name).innerHTML = replybox;
249 document.getElementById(new_div_name).scrollIntoView({behavior: "smooth", block: "end", inline: "nearest"});
251 // These actions must happen *after* the initial render loop completes.
252 setTimeout(function() {
253 var tag = document.getElementById("ctdl-editor-body");
254 tag.focus(); // sets the focus
255 window.getSelection().collapse(tag.firstChild, 0); // positions the cursor
260 // Abort a message post (it simply destroys the div)
261 function cancel_post(div_name) {
262 document.getElementById(div_name).outerHTML = ""; // make it cease to exist
266 // Save the posted message to the server
267 function save_message(div_name, reply_to_msgnum) {
269 document.body.style.cursor = "wait";
271 url = "/ctdl/r/" + escapeHTMLURI(current_room) + "/dummy_name_for_new_message";
272 boundary = randomString(20);
274 "--" + boundary + "\r\n"
275 + "Content-type: text/html\r\n"
276 + "Content-transfer-encoding: quoted-printable\r\n"
278 + quoted_printable_encode(
279 "<html><body>" + document.getElementById("ctdl-editor-body").innerHTML + "</body></html>"
281 + "--" + boundary + "--\r\n"
284 var request = new XMLHttpRequest();
285 request.open("PUT", url, true);
286 request.setRequestHeader("Content-type", "multipart/mixed; boundary=\"" + boundary + "\"");
287 request.onreadystatechange = function() {
288 if (request.readyState == 4) {
289 document.body.style.cursor = "default";
290 if (Math.trunc(request.status / 100) == 2) {
291 alert("headers: " + request.getAllResponseHeaders());
292 document.getElementById(div_name).outerHTML = ""; // close the editor
295 error_message = request.responseText;
296 if (error_message.length == 0) {
297 error_message = _("An error has occurred.");
299 alert(error_message); // FIXME make this pretty
303 request.send(body_text);
307 // Function to encode data in quoted-printable format
308 // Written by Theriault and Brett Zamir [https://locutus.io/php/quoted_printable_encode/]
309 function quoted_printable_encode (str) { // eslint-disable-line camelcase
310 const hexChars = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F']
311 const RFC2045Encode1IN = / \r\n|\r\n|[^!-<>-~ ]/gm
312 const RFC2045Encode1OUT = function (sMatch) {
313 // Encode space before CRLF sequence to prevent spaces from being stripped
314 // Keep hard line breaks intact; CRLF sequences
315 if (sMatch.length > 1) {
316 return sMatch.replace(' ', '=20');
318 // Encode matching character
319 const chr = sMatch.charCodeAt(0);
320 return '=' + hexChars[((chr >>> 4) & 15)] + hexChars[(chr & 15)];
322 // Split lines to 75 characters; the reason it's 75 and not 76 is because softline breaks are
323 // preceeded by an equal sign; which would be the 76th character. However, if the last line/string
324 // was exactly 76 characters, then a softline would not be needed. PHP currently softbreaks
325 // anyway; so this function replicates PHP.
326 const RFC2045Encode2IN = /.{1,72}(?!\r\n)[^=]{0,3}/g
327 const RFC2045Encode2OUT = function (sMatch) {
328 if (sMatch.substr(sMatch.length - 2) === '\r\n') {
331 return sMatch + '=\r\n';
333 str = str.replace(RFC2045Encode1IN, RFC2045Encode1OUT).replace(RFC2045Encode2IN, RFC2045Encode2OUT);
334 // Strip last softline break
335 return str.substr(0, str.length - 3)