Grammar change in the license declaration.
[citadel.git] / webcit-ng / static / js / view_mail.js
index 2e05f7d6df7516643dadf8e0c33460613c33dde8..b6e09893ce5c32bbd8067c92923e0cfa46c947d3 100644 (file)
@@ -3,7 +3,7 @@
 // Copyright (c) 2016-2023 by the citadel.org team
 //
 // This program is open source software.  Use, duplication, or
-// disclosure are subject to the GNU General Public License v3.
+// disclosure is subject to the GNU General Public License v3.
 
 
 var displayed_message = 0;                                                     // ID of message currently being displayed
@@ -13,7 +13,6 @@ var newmail_notify = {
         NO  : 0,                                                               // do not perform new mail notifications
         YES : 1                                                                        // yes, perform new mail notifications
 };
-var num_attachments = 0;                                                       // number of attachments in current composed msg
 
 
 // This is the async back end for mail_delete_selected()
@@ -138,6 +137,9 @@ function mail_render_one(msgnum, msg, target_div, include_controls) {
                ;
 
                if (include_controls) {                                         // omit controls if this is a pull quote
+
+                       let subject     = msg.subj              ? escapeJS(msg.subj)            : "" ;
+
                        outmsg +=
                          render_userpic(msg.from)                              // user avatar
                        + "<div class=\"ctdl-mmsg-content\">"                   // begin content
@@ -150,16 +152,22 @@ function mail_render_one(msgnum, msg, target_div, include_controls) {
                        + "</span>"                                             // end header info on left side
                        + "<span class=\"ctdl-msg-header-buttons\">"            // begin buttons on right side
                
-                       + "<span class=\"ctdl-msg-button\">"                    // Reply (mail is always Quoted)
-                       + "<a href=\"javascript:mail_compose(true,'"+msg.wefw+"','"+msgnum+"', reply_addr(msg), [], 'Re: '+msg.subj);\">"
+                       + "<span class=\"ctdl-msg-button\">"                    // Reply
+                       + `<a href="javascript:mail_compose(msg.wefw, ${msgnum}, reply_addr(msg), [], 'Re: ${subject}');">`
                        + "<i class=\"fa fa-reply\"></i> " 
                        + _("Reply")
                        + "</a></span>"
                
-                       + "<span class=\"ctdl-msg-button\">"                    // Reply-All (mail is always Quoted)
-                       + "<a href=\"javascript:mail_compose(true,'"+msg.wefw+"','"+msgnum+"', replyall_to(msg), msg.cccc, 'Re: '+msg.subj);\">"
+                       + "<span class=\"ctdl-msg-button\">"                    // Reply-All
+                       + `<a href="javascript:mail_compose(msg.wefw, ${msgnum}, replyall_to(msg), msg.cccc, 'Re: ${subject}');">`
                        + "<i class=\"fa fa-reply-all\"></i> " 
                        + _("ReplyAll")
+                       + "</a></span>"
+               
+                       + "<span class=\"ctdl-msg-button\">"
+                       + `<a href="javascript:mail_compose(msg.wefw, ${msgnum}, [], [], 'Fwd: ${subject}');">`
+                       + "<i class=\"fa fa-mail-forward\"></i> " 
+                       + _("Forward")
                        + "</a></span>";
                
                        if (can_delete_messages) {
@@ -208,8 +216,8 @@ function mail_render_one(msgnum, msg, target_div, include_controls) {
                          "</div>";                                             // end header
                }
 
-               // Display attachments, if any are present
-               if (msg.part) {
+               // Display attachments, if any are present (don't do this if we're quoting the message)
+               if ( (msg.part) && (include_controls) ) {
                        let display_attachments = 0;
                        for (let r=0; r<msg.part.length; ++r) {
                                if (msg.part[r].disp == "attachment") {
@@ -329,23 +337,23 @@ function mail_render_row(msg, is_selected) {
 // RENDERER FOR THIS VIEW
 function view_render_mail() {
        // Put the "enter new message" button into the topbar
-       document.getElementById("ctdl-newmsg-button").innerHTML = "<i class=\"fa fa-edit\"></i>" + _("Write mail");
+       document.getElementById("ctdl-newmsg-button").innerHTML = `<i class="fa fa-edit"></i>&nbsp;` + _("Write mail");
        document.getElementById("ctdl-newmsg-button").style.display = "block";
 
        // Put the "delete message(s)" button into the topbar
        let d = document.getElementById("ctdl-delete-button");
-       d.innerHTML = "<i class=\"fa fa-trash\"></i>" + _("Delete");
+       d.innerHTML = `<i class="fa fa-trash"></i>&nbsp;` + _("Delete");
        d.style.display = "block";
        //d.addEventListener("click", mail_delete_selected);
 
-       document.getElementById("ctdl-main").innerHTML
-               = "<div id=\"ctdl-mailbox-grid-container\" class=\"ctdl-mailbox-grid-container\">"
-               + "<div id=\"ctdl-mailbox-pane\" class=\"ctdl-mailbox-pane\"></div>"
-               + "<div id=\"ctdl-mailbox-reading-pane\" class=\"ctdl-mailbox-reading-pane\"></div>"
-               + "</div>"
-       ;
+       document.getElementById("ctdl-main").innerHTML = `
+               <div id="ctdl-mailbox-grid-container" class="ctdl-mailbox-grid-container">
+               <div id="ctdl-mailbox-pane" class="ctdl-mailbox-pane"></div>
+               <div id="ctdl-mailbox-reading-pane" class="ctdl-mailbox-reading-pane"></div>
+               </div>
+       `;
 
-       highest_mailnum = 0;                                    // Keep track of highest message number to track newly arrived messages
+       highest_mailnum = 0;                                    // Keep track of highest msg number to track newly arrived msgs
        render_mailbox_display(newmail_notify.NO);
        try {                                                   // if this was already set up, clear it so there aren't multiple
                clearInterval(RefreshMailboxInterval);
@@ -373,9 +381,9 @@ function refresh_mail_display() {
        fetch_stat = async() => {
                response = await fetch(url);
                stat = await(response.json());
-               if (stat.room_mtime > room_mtime) {                     // FIXME commented out to force refreshes
+               if (stat.room_mtime > room_mtime) {                     // if modified...
                        room_mtime = stat.room_mtime;
-                       render_mailbox_display(newmail_notify.YES);
+                       render_mailbox_display(newmail_notify.YES);     // ...force a refresh
                }
        }
        fetch_stat();
@@ -405,12 +413,14 @@ function render_mailbox_display(notify) {
                        }
 
                        // begin rendering the mailbox table
-                       box =   "<table id=\"ctdl-onscreen-mailbox\" class=\"ctdl-mailbox-table\" width=100%><tr>"
-                               + "<th>" + _("Subject") + "</th>"
-                               + "<th>" + _("Sender") + "</th>"
-                               + "<th>" + _("Date") + "</th>"
-                               + "<th>#</th>"
-                               + "</tr>";
+                       box = `
+                               <table id="ctdl-onscreen-mailbox" class="ctdl-mailbox-table" width=100%><tr>
+                               <th>${_("Subject")}</th>
+                               <th>${ _("Sender")}</th>
+                               <th>${_("Date")}</th>
+                               <th>#</th>
+                               </tr>
+                       `;
 
                        for (let i=0; i<msgs.length; ++i) {
                                let m = parseInt(msgs[i].msgnum);
@@ -430,52 +440,68 @@ function render_mailbox_display(notify) {
 }
 
 
-// Compose a new mail message (called by the Reply button here, or by the dispatcher in views.js)
-function mail_compose(is_quoted, references, quoted_msgnum, m_to, m_cc, m_subject) {
-       // m_to will be an array of zero or more recipients for the To: field.  Convert it to a string.
-       if (m_to) {
-               m_to = Array.from(new Set(m_to));       // remove dupes
-               m_to_str = "";
-               for (i=0; i<m_to.length; ++i) {
-                       if (i > 0) {
-                               m_to_str += ", ";
-                       }
-                       m_to_str += m_to[i].replaceAll("<", "&lt;").replaceAll(">", "&gt;");
+// helper function for mail_compose() -- converts a recipient array to a string suitable for the To: or Cc: field
+function recipient_array_to_string(recps_arr) {
+
+       let returned_string = ""
+
+       if (recps_arr) {
+               is_reply = 1;
+
+               // first clean up the recipients
+               for (i=0; i<recps_arr.length; ++i) {
+                       recps_arr[i] = recps_arr[i].replaceAll("<", "&lt;").replaceAll(">", "&gt;");
                }
-       }
-       else {
-               m_to_str = "";
-       }
 
-       // m_to will be an array of zero or more recipients for the Cc: field.  Convert it to a string.
-       if (m_cc) {
-               m_cc = Array.from(new Set(m_cc));       // remove dupes
-               m_cc_str = "";
-               for (i=0; i<m_cc.length; ++i) {
+               // remove dupes
+               recps_arr = Array.from(new Set(recps_arr));
+
+               // now convert it to a string
+               returned_string = "";
+               for (i=0; i<recps_arr.length; ++i) {
                        if (i > 0) {
-                               m_cc_str += ", ";
+                               returned_string += ", ";
                        }
-                       m_cc_str += m_cc[i].replaceAll("<", "&lt;").replaceAll(">", "&gt;");
+                       returned_string += recps_arr[i];
                }
        }
-       else {
-               m_cc_str = "";
-       }
+
+       return(returned_string);
+}
+
+
+
+// Compose a new mail message (called by the Reply button here, or by the dispatcher in views.js)
+//
+// references          list of references, be sure to use this in a reply
+// quoted_msgnum       if a reply, the msgid of the most recent message in the chain, the one to which we are replying
+//                     (set to 0 if this is not a reply)
+// m_to                        an ARRAY of zero or more recipients to pre-insert into the To: field
+// m_cc                        an ARRAY of zero or more recipients to pre-insert into the Cc: field
+// m_subject           a string to pre-insert into the Subject: field
+//
+function mail_compose(references, quoted_msgnum, m_to, m_cc, m_subject) {
+
+       let is_reply = 0;
+       let is_quoted = (quoted_msgnum > 0) ? true : false ;
+       let is_fwd = (is_quoted && m_to.length==0 && m_cc.length==0) ;
+
+       // m_to will be an array of zero or more recipients for the To: field.  Convert it to a string.
+       m_to_str = recipient_array_to_string(m_to);
+
+       // m_cc will be an array of zero or more recipients for the Cc: field.  Convert it to a string.
+       m_cc_str = recipient_array_to_string(m_cc);
 
        quoted_div_name = randomString();
 
        // Make the "Write mail" button disappear.  We're already there!
        document.getElementById("ctdl-newmsg-button").style.display = "none";
 
-       // is_quoted    true or false depending on whether the user selected "reply quoted" (is this appropriate for mail?)
-       // references   list of references, be sure to use this in a reply
-       // msgid        if a reply, the msgid of the most recent message in the chain, the one to which we are replying
-
-       // Now display the screen.  (Yes, I combined regular strings + template literals.  I just learned template literals.  Converting to all template literals would be fine.)
+       // Now display the screen.  (Yes, I combined regular strings + template literals.
+       // I just learned template literals.  Converting the whole thing to template literals would be fine.)
        compose_screen =
                // Hidden values that we are storing right here in the document tree for later
-                 "<input id=\"ctdl_mc_is_quoted\" style=\"display:none\" value=\"" + is_quoted + "\"></input>"
-               + "<input id=\"ctdl_mc_references\" style=\"display:none\" value=\"" + references + "\"></input>"
+                 "<div id=\"ctdl-mc-references\" style=\"display:none\">" + references + "</div>"
 
                // Header fields, the composition window, and the button bar are arranged using a Grid layout.
                + "<div id=\"ctdl-compose-mail\" class=\"ctdl-compose-mail\">"
@@ -503,8 +529,12 @@ function mail_compose(is_quoted, references, quoted_msgnum, m_to, m_cc, m_subjec
                + "<div class=\"ctdl-compose-message-box\" id=\"ctdl-editor-body\" contenteditable=\"true\">"
        ;
 
-       if (is_quoted) {
-               compose_screen += "<br><br><blockquote><div id=\"" + quoted_div_name + "\"></div></blockquote>";
+       // If this is a quoted reply, insert a div within which we will render the original message.
+       if (is_quoted && is_fwd) {
+               compose_screen += "<br><br>" + _("--- forwarded message ---") + "<br><div id=\"" + quoted_div_name + "\">QUOTE</div>";
+       }
+       else if (is_quoted) {
+               compose_screen += "<br><br><blockquote><div id=\"" + quoted_div_name + "\">QUOTE</div></blockquote>";
        }
 
        // The button bar is a Grid element, and is also a Flexbox container.
@@ -513,137 +543,48 @@ function mail_compose(is_quoted, references, quoted_msgnum, m_to, m_cc, m_subjec
                <div class="ctdl-compose-toolbar">
                <span class="ctdl-msg-button" onclick="mail_send_message()"><i class="fa fa-paper-plane" style="color:green"></i> ${_("Send message")} </span>
                <span class="ctdl-msg-button"> ${_("Save to Drafts")} </span>
-               <span class="ctdl-msg-button" onClick="show_or_hide_attachments()"><i class="fa fa-paperclip" style="color:grey"></i> ${_("Attachments:")} <span id="ctdl_num_attachments"> ${num_attachments} </span></span>
+               <span class="ctdl-msg-button" onClick="show_or_hide_upload_window()"><i class="fa fa-paperclip" style="color:grey"></i> ${_("Attachments:")} <span id="ctdl_num_attachments"> ${uploads.length} </span></span>
                <span class="ctdl-msg-button">  ${_("Contacts")} </span>
-               <span class="ctdl-msg-button" onClick="document.getElementById('ctdl_big_modal').style.display='none';gotoroom(current_room)"><i class="fa fa-trash" style="color:red"></i> ${_("Cancel")} </span>
+               <span class="ctdl-msg-button" onClick="flush_uploads();gotoroom(current_room)"><i class="fa fa-trash" style="color:red"></i> ${_("Cancel")} </span>
                </div>`
        ;
 
+
        document.getElementById("ctdl-main").innerHTML = compose_screen;
-       mail_display_message(quoted_msgnum, document.getElementById(quoted_div_name), 0);
+
        if (m_cc) {
                document.getElementById("ctdl-compose-cc-label").style.display = "block";
                document.getElementById("ctdl-compose-cc-field").style.display = "block";
        }
 
-       activate_uploads();
-}
-
-
-function activate_uploads() {
-               document.getElementById("ctdl_big_modal").innerHTML = `
-                       <div id="ctdl_attachments_outer">
-                               <div id="ctdl_attachments_title" class="ctdl-compose-attachments-title">
-                                       <div><h1><i class="fa fa-paperclip" style="color:grey"></i>` + _("Attachments:") + " " + num_attachments + `</h1></div>
-                                       <div><h1><i class="fas fa-window-close" style="color:red" onClick="show_or_hide_attachments()"></i></h1></div>
-                               </div>
-                               <br>
-                               <ul id="ctdl_upload_list">
-                                       <li>uploaded file</li>
-                                       <li>another uploaded file</li>
-                                       <li>philez and warez</li>
-                               </ul>
-                               <br>
-                               <div id="drop-area" class="ctdl-upload-drop-area">
-                                       <form class="my-form">
-                                               <p>${_("Drop files here to upload")}</p>
-                                               <input type="file" id="fileElem" multiple acce=t="*/*" onChange="handleFiles(this.files)">
-                                               <label class="button" for="fileElem">Select some files</label>
-                                       </form>
-                               </div>
-                       </div>
-               `;
-
-               // activate drag and drop (shamelessly swiped from https://www.smashingmagazine.com/2018/01/drag-drop-file-uploader-vanilla-js/ )
-               let dropArea = document.getElementById("drop-area");
-               ;['dragenter', 'dragover', 'dragleave', 'drop'].forEach(eventName => {
-                       dropArea.addEventListener(eventName, preventDefaults, false)
-               })
-               ;["dragenter", "dragover"].forEach(eventName => {
-                       dropArea.addEventListener(eventName, highlight, false)
-               })
-               ;['dragleave', 'drop'].forEach(eventName => {
-                       dropArea.addEventListener(eventName, unhighlight, false)
-               })
-               dropArea.addEventListener('drop', handleDrop, false);
-
-               // make the modal smaller than the containing window but pretty big
-               document.getElementById("ctdl_attachments_outer").style.width =
-                       Math.trunc((document.getElementById("ctdl-editor-body").getBoundingClientRect().width) * 0.60).toString() + "px";
-               document.getElementById("ctdl_attachments_outer").style.height =
-                       Math.trunc((document.getElementById("ctdl-editor-body").getBoundingClientRect().height) * 0.60).toString() + "px";
-}
-
-
-// prevent drag and drop events from propagating up through the DOM
-function preventDefaults(e) {
-       e.preventDefault();
-       e.stopPropagation();
-}
-
-
-function handleDrop(e) {
-       let dt = e.dataTransfer;
-       let files = dt.files;
-       handleFiles(files);
-}
-
-
-function handleFiles(files) {
-       ([...files]).forEach(uploadFile)
-}
-
-
-function uploadFile(file) {
-       var url = '/ctdl/zzz/attach_it;'
-       var xhr = new XMLHttpRequest();
-       var formData = new FormData();
-       xhr.open('POST', url, true);
-      
-       xhr.addEventListener('readystatechange', function(e) {
-               if (xhr.readyState == 4 && xhr.status == 200) {
-                       document.getElementById("ctdl_upload_list").innerHTML += "<li>succeeeeed</li>";
-                       console.log("upload succeeded");
-               }
-               else if (xhr.readyState == 4 && xhr.status != 200) {
-                       document.getElementById("ctdl_upload_list").innerHTML += "<li>EPIC FAIL</li>";
-                       console.log("upload failed");
-               }
-       })
-       formData.append('file', file);
-       xhr.send(formData);
-}
-
-
-function highlight(e) {
-       let dropArea = document.getElementById("drop-area");
-       dropArea.classList.add('highlight')
-}
-      
-function unhighlight(e) {
-       let dropArea = document.getElementById("drop-area");
-       dropArea.classList.remove('highlight')
-}
-
+       activate_uploads("ctdl-editor-body");                           // create the attachments window
+       attachment_counter_divs.push("ctdl_num_attachments");           // make the Attachments: count at the bottom update too
 
+       // If this is a quoted reply, render the original message into the div we set up earlier.
+       if (is_quoted) {
+               mail_display_message(quoted_msgnum, document.getElementById(quoted_div_name), 0);
+       }
 
-// Show or hide the attachments window in the composer
-function show_or_hide_attachments() {
+       // If this is a forwarded messages, preload its attachments into the forwarded copy.
+       if (is_fwd) {
+               forward_attachments(quoted_msgnum);
+       }
 
-       if (document.getElementById("ctdl_big_modal").style.display == "block") {
-               document.getElementById("ctdl_big_modal").style.display = "none";
+       if (is_reply) {
+               setTimeout(() => { document.getElementById("ctdl-editor-body").focus(); }, 0);
        }
        else {
-               document.getElementById("ctdl_big_modal").style.display = "block";
+               setTimeout(() => { document.getElementById("ctdl-compose-to-field").focus(); }, 0);
        }
-}
 
+}
 
 // Called when the user clicks the button to make the hidden "CC" and "BCC" lines appear.
 // It is also called automatically during a Reply when CC is pre-populated.
 function make_cc_bcc_visible() {
        document.getElementById("ctdl-cc-bcc-buttons").style.display = "none";
+       document.getElementById("ctdl-compose-cc-label").style.display = "block";
+       document.getElementById("ctdl-compose-cc-field").style.display = "block";
        document.getElementById("ctdl-compose-bcc-label").style.display = "block";
        document.getElementById("ctdl-compose-bcc-field").style.display = "block";
 }
@@ -665,29 +606,29 @@ function msm_field(element_name, separator) {
 function mail_send_message() {
 
        document.body.style.cursor = "wait";
+       deactivate_uploads();
        let url = "/ctdl/r/" + escapeHTMLURI(current_room)
                + "/dummy_name_for_new_mail"
-               + "?wefw="      + msm_field("ctdl_mc_references", "!")                          // references (if present)
+               + "?wefw="      + msm_field("ctdl-mc-references", "!")                          // references (if present)
                + "&subj="      + msm_field("ctdl-compose-subject-field", " ")                  // subject (if present)
                + "&mailto="    + msm_field("ctdl-compose-to-field", ",")                       // To: (required)
                + "&mailcc="    + msm_field("ctdl-compose-cc-field", ",")                       // Cc: (if present)
                + "&mailbcc="   + msm_field("ctdl-compose-bcc-field", ",")                      // Bcc: (if present)
        ;
-       boundary = randomString();
-       body_text =
-               "--" + boundary + "\r\n"
-               + "Content-type: text/html\r\n"
-               + "Content-transfer-encoding: quoted-printable\r\n"
-               + "\r\n"
-               + quoted_printable_encode(
-                       "<html><body>" + document.getElementById("ctdl-editor-body").innerHTML + "</body></html>"
-               ) + "\r\n"
-               + "--" + boundary + "--\r\n"
-       ;
+       if (uploads.length > 0) {
+               url += "&att=";
+               for (let i=0; i<uploads.length; ++i) {
+                       url += uploads[i]["ref"];
+                       if (i != uploads.length - 1) {
+                               url += ",";
+                       }
+               }
+       }
+       body_text = "<html><body>" + document.getElementById("ctdl-editor-body").innerHTML + "</body></html>\r\n";
 
        var request = new XMLHttpRequest();
        request.open("PUT", url, true);
-       request.setRequestHeader("Content-type", "multipart/mixed; boundary=\"" + boundary + "\"");
+       request.setRequestHeader("Content-type", "text/html");
        request.onreadystatechange = function() {
                if (request.readyState == 4) {
                        document.body.style.cursor = "default";
@@ -699,6 +640,9 @@ function mail_send_message() {
                                        }
                                }
 
+                               // successfully saving a message means the attachments are now gone from the server.
+                               uploads = [];
+
                                // After saving the message, go back to the mailbox view.
                                gotoroom(current_room);