| 1 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" |
| 2 | "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> |
| 3 | <html xmlns="http://www.w3.org/1999/xhtml"> |
| 4 | <!-- |
| 5 | reliable-chat - multipath chat |
| 6 | Copyright (C) 2012 Scott Worley <sworley@chkno.net> |
| 7 | Copyright (C) 2012 Jason Hibbs <skitch@gmail.com> |
| 8 | |
| 9 | This program is free software: you can redistribute it and/or modify |
| 10 | it under the terms of the GNU Affero General Public License as |
| 11 | published by the Free Software Foundation, either version 3 of the |
| 12 | License, or (at your option) any later version. |
| 13 | |
| 14 | This program is distributed in the hope that it will be useful, |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | GNU Affero General Public License for more details. |
| 18 | |
| 19 | You should have received a copy of the GNU Affero General Public License |
| 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 21 | --> |
| 22 | <head> |
| 23 | <title>Reliable Chat</title> |
| 24 | <style type="text/css"><!--/*--><![CDATA[/*><!--*/ |
| 25 | html, body { |
| 26 | width: 99.9%; |
| 27 | height: 100%; |
| 28 | margin: 0; |
| 29 | padding: 0; |
| 30 | background-color: #293134; |
| 31 | color: silver; |
| 32 | font-family: monospace; |
| 33 | } |
| 34 | #container { |
| 35 | height: 100%; |
| 36 | } |
| 37 | #status { |
| 38 | width: 100%; |
| 39 | text-align: right; |
| 40 | background-color: #293134; |
| 41 | padding: 5px 5px 5px 0px; |
| 42 | } |
| 43 | #client { |
| 44 | width: 98.5%; |
| 45 | padding: 0px 0px 0px 5px; |
| 46 | height: 50px; |
| 47 | position: fixed; |
| 48 | bottom: 0; |
| 49 | } |
| 50 | #input { |
| 51 | width: 100%; |
| 52 | background-color: #293134; |
| 53 | } |
| 54 | #say { width: 100% } |
| 55 | #history { |
| 56 | padding: 0px 5px 55px 5px; |
| 57 | vertical-align: bottom |
| 58 | } |
| 59 | img { width: 1px; height: 1px; } |
| 60 | iframe { display: none } |
| 61 | #status span { margin-right: 10px; } |
| 62 | #status span.sad { |
| 63 | background-color: #f00; |
| 64 | color: #fff; |
| 65 | border: 1px solid black; |
| 66 | border-radius: 5px; |
| 67 | padding-left: 5px; |
| 68 | padding-right: 5px; |
| 69 | } |
| 70 | #status span.happy { |
| 71 | background-color: #0f0; |
| 72 | color: #000; |
| 73 | border: 1px solid black; |
| 74 | border-radius: 5px; |
| 75 | padding-left: 5px; |
| 76 | padding-right: 5px; |
| 77 | } |
| 78 | /*]]>*/--></style> |
| 79 | <script type="text/javascript"><!--//--><![CDATA[//><!-- |
| 80 | var servers = ['chkno.net', 'rc2.chkno.net', 'echto.net', 'the-wes.com', 'vibrantlogic.com']; |
| 81 | |
| 82 | var session = Math.random(); |
| 83 | var since = {}; |
| 84 | var seen = {}; |
| 85 | |
| 86 | function rcnick() { |
| 87 | var nick = localStorage.getItem("nick"); |
| 88 | if (nick) { |
| 89 | return nick; |
| 90 | } |
| 91 | return 'anonymous'; |
| 92 | } |
| 93 | |
| 94 | function rcsetnick(new_nick) { |
| 95 | localStorage.setItem("nick", new_nick); |
| 96 | } |
| 97 | |
| 98 | function rcserverbase(server) { |
| 99 | // Add the default port if server doesn't contain a port number already |
| 100 | if (server.indexOf(":") == -1) { |
| 101 | return "http://" + server + ":21059"; |
| 102 | } else { |
| 103 | return "http://" + server; |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | function rcchangeserverstatus(server, new_status) { |
| 108 | var statusbar = document.getElementById("status"); |
| 109 | var spans = statusbar.getElementsByTagName("span"); |
| 110 | for (var i in spans) { |
| 111 | if (spans[i].firstChild && 'data' in spans[i].firstChild && spans[i].firstChild.data == server) { |
| 112 | spans[i].setAttribute("class", new_status); |
| 113 | } |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | function rcaddmessagetohistory(message) { |
| 118 | var d = document.createElement("div"); |
| 119 | d.appendChild(document.createTextNode(message)); |
| 120 | var h = document.getElementById("history"); |
| 121 | h.appendChild(d); |
| 122 | window.scrollTo(0, document.body.scrollHeight); |
| 123 | return d; |
| 124 | } |
| 125 | |
| 126 | function make_seen_key(id, text) { |
| 127 | return id.replace(/@/g, "@@") + "_@_" + text.replace(/@/g, "@@"); |
| 128 | } |
| 129 | |
| 130 | function rcreceivemessages(server, messages) { |
| 131 | for (var i in messages) { |
| 132 | var seen_key = make_seen_key(messages[i]['ID'], messages[i]['Text']); |
| 133 | if (!(seen_key in seen)) { |
| 134 | seen[seen_key] = true; |
| 135 | rcaddmessagetohistory(messages[i]['Text']); |
| 136 | for (var i in servers) { |
| 137 | rcchangeserverstatus(servers[i], "sad"); |
| 138 | } |
| 139 | } |
| 140 | rcchangeserverstatus(server, "happy"); |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | function rcfetch(server) { |
| 145 | var delay = 10000; // TODO: Exponential backoff |
| 146 | var xhr = new XMLHttpRequest(); |
| 147 | xhr.onreadystatechange = function() { |
| 148 | if (this.readyState == this.DONE) { |
| 149 | if (this.status == 200) { |
| 150 | var rtxt = this.responseText; |
| 151 | if (rtxt != null) { |
| 152 | var messages = JSON.parse(rtxt); |
| 153 | if (messages != null) { |
| 154 | rcreceivemessages(server, messages); |
| 155 | window.parent.postMessage(rtxt, "*"); |
| 156 | delay = 40; |
| 157 | if (messages.length >= 1 && "Time" in messages[messages.length-1]) { |
| 158 | since[server] = messages[messages.length-1]["Time"]; |
| 159 | } |
| 160 | } |
| 161 | } |
| 162 | } |
| 163 | window.setTimeout(rcfetch, delay, server); |
| 164 | } |
| 165 | } |
| 166 | var uri = rcserverbase(server) + "/fetch"; |
| 167 | if (server in since) { |
| 168 | uri += '?since="' + since[server] + '"'; |
| 169 | } |
| 170 | xhr.open("GET", uri); |
| 171 | xhr.send(); |
| 172 | } |
| 173 | |
| 174 | function rcconnect() { |
| 175 | for (var i in servers) { |
| 176 | rcfetch(servers[i]); |
| 177 | // Status bar entry |
| 178 | var status_indicator = document.createElement("span"); |
| 179 | status_indicator.appendChild(document.createTextNode(servers[i])); |
| 180 | status_indicator.setAttribute("class", "sad"); |
| 181 | document.getElementById("status").appendChild(status_indicator); |
| 182 | } |
| 183 | if (rcnick() == 'anonymous') { |
| 184 | rcaddmessagetohistory("-!- Set your nick with /nick"); |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | function rcsend(d, message) { |
| 189 | var id = new Date().getTime() + "-" + session + "-" + Math.random(); |
| 190 | seen[make_seen_key(id, message)] = true; |
| 191 | var path = "/speak" + |
| 192 | "?id=" + encodeURIComponent(id) + |
| 193 | "&text=" + encodeURIComponent(message); |
| 194 | for (var i in servers) { |
| 195 | var uri = rcserverbase(servers[i]) + path; |
| 196 | var img = document.createElement("img"); |
| 197 | img.setAttribute("src", uri); |
| 198 | d.appendChild(img); |
| 199 | } |
| 200 | } |
| 201 | |
| 202 | function rckeydown(event) { |
| 203 | if (event.keyCode == 13) { |
| 204 | var input = document.input.say.value; |
| 205 | document.input.say.value = ""; |
| 206 | |
| 207 | // Check nick change |
| 208 | var message; |
| 209 | var re = /^\/nick (.*)/; |
| 210 | var match = re.exec(input); |
| 211 | if (match) { |
| 212 | message = "*** " + rcnick() + " is now known as " + match[1]; |
| 213 | rcsetnick(match[1]); |
| 214 | } else { |
| 215 | message = "<" + rcnick() + "> " + input; |
| 216 | } |
| 217 | |
| 218 | // /me support |
| 219 | var message; |
| 220 | var re = /^\/me (.*)/; |
| 221 | var match = re.exec(input); |
| 222 | var inputme = input.substring(4); |
| 223 | if (match) { |
| 224 | message = "* " + rcnick() + " " + inputme; |
| 225 | } else { |
| 226 | message = "<" + rcnick() + "> " + input; |
| 227 | } |
| 228 | |
| 229 | // Say the message |
| 230 | var d = rcaddmessagetohistory(message); |
| 231 | rcsend(d, message); |
| 232 | |
| 233 | // Remind people to set their nick |
| 234 | if (rcnick() == 'anonymous') { |
| 235 | rcaddmessagetohistory("-!- Set your nick with /nick"); |
| 236 | } |
| 237 | } |
| 238 | } |
| 239 | //--><!]]></script> |
| 240 | |
| 241 | </head> |
| 242 | |
| 243 | <body onload="rcconnect()"> |
| 244 | <div id="container"> |
| 245 | <div id="history"></div> |
| 246 | <div id="client"> |
| 247 | <div id="input"> |
| 248 | <form name="input" onsubmit="return false" autocomplete="off"> |
| 249 | <input id="say" onkeydown="return rckeydown(event)" autocomplete="off" autofocus="autofocus"></input> |
| 250 | </form></div> |
| 251 | <div id="status"> </div> |
| 252 | </div> |
| 253 | </div> |
| 254 | </body> |
| 255 | </html> |