annotate rlgwebd.js @ 23:21de24c08aed

Implement message order correction on the server side. rlgwebd can now correct for the client's messages arriving in the wrong order, in theory. I haven't found a good way of testing it yet.
author John "Elwin" Edwards <elwin@sdf.org>
date Thu, 24 May 2012 11:36:57 -0700
parents 51d59a0e3b20
children 9b58f8d3ea70
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1 #!/usr/bin/env node
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2
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3 // If you can't quite trust node to find it on its own
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4 var localModules = '/usr/local/lib/node_modules/';
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5 var http = require('http');
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6 var url = require('url');
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7 var path = require('path');
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8 var fs = require('fs');
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9 var child_process = require('child_process');
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10 var daemon = require(path.join(localModules, "daemon"));
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11
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12 var chrootDir = "/var/dgl/";
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13 var dropToUID = 501;
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14 var dropToGID = 501;
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15 var serveStaticRoot = "/var/www/"; // inside the chroot
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16 var passwdfile = "/dgldir/dgl-login";
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17 var sessions = {};
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18
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19 var games = {
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20 "rogue3": {
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21 "name": "Rogue V3",
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22 "uname": "rogue3",
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23 "path": "/bin/rogue3"
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24 },
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25 "rogue4": {
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26 "name": "Rogue V4",
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27 "uname": "rogue4",
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28 "path": "/bin/rogue4"
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29 },
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30 "rogue5": {
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31 "name": "Rogue V5",
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32 "uname": "rogue5",
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33 "path": "/bin/rogue5"
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34 },
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35 "srogue": {
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36 "name": "Super-Rogue",
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37 "uname": "srogue",
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38 "path": "/bin/srogue"
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39 }
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40 };
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41
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42 /* Constructor for TermSessions. Note that it opens the terminal and
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43 * adds itself to the sessions dict. It currently assumes the user has
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44 * been authenticated.
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45 */
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46 function TermSession(game, user, files, dims) {
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47 /* First make sure starting the game will work. */
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48 if (!(game in games)) {
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49 // TODO: throw an exception instead
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50 return null;
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51 }
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52 /* This order seems to best avoid race conditions... */
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53 this.alive = false;
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54 this.sessid = randkey();
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55 while (this.sessid in sessions) {
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56 this.sessid = randkey();
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57 }
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58 /* Grab a spot in the sessions table. */
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59 sessions[this.sessid] = this;
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60 /* State for messaging. */
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61 this.nsend = 0;
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62 this.nrecv = 0;
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63 this.msgQ = []
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64 this.Qtimeout = null;
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65 /* Set up the sizes. */
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66 this.w = Math.floor(Number(dims[1]));
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67 if (!(this.w > 0 && this.w < 256))
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68 this.w = 80;
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69 this.h = Math.floor(Number(dims[0]));
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70 if (!(this.h > 0 && this.h < 256))
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71 this.h = 24;
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72 /* Environment. */
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73 var childenv = {};
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74 for (var key in process.env) {
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75 childenv[key] = process.env[key];
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76 }
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77 childenv["PTYHELPER"] = String(this.h) + "x" + String(this.w);
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78 /* TODO handle tty-opening errors */
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79 /* TODO make argument-finding into a method */
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80 args = [games[game].path, "-n", user.toString()];
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81 this.child = child_process.spawn("/bin/ptyhelper", args, {"env": childenv});
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82 var ss = this;
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83 this.alive = true;
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84 this.data = [];
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85 this.lock = files[0];
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86 fs.writeFile(this.lock, this.child.pid.toString() + '\n' + this.w + '\n' +
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87 this.h + '\n', "utf8");
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88 this.record = fs.createWriteStream(files[1], { mode: 0664 });
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89 /* END setup */
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90 function ttyrec_chunk(buf) {
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91 var ts = new Date();
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92 var chunk = new Buffer(buf.length + 12);
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93 /* TTYREC headers */
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94 chunk.writeUInt32LE(Math.floor(ts.getTime() / 1000), 0);
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95 chunk.writeUInt32LE(1000 * (ts.getTime() % 1000), 4);
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96 chunk.writeUInt32LE(buf.length, 8);
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97 buf.copy(chunk, 12);
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98 ss.data.push(chunk);
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99 ss.record.write(chunk);
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100 }
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101 this.child.stdout.on("data", ttyrec_chunk);
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102 this.child.stderr.on("data", ttyrec_chunk);
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103 this.child.on("exit", function (code, signal) {
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104 ss.exitcode = (code != null ? code : 255);
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105 ss.alive = false;
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106 fs.unlink(ss.lock);
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107 /* Wait for all the data to get collected */
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108 setTimeout(ss.cleanup, 1000);
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109 });
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110 this.write = function (data, n) {
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111 if (!this.alive || typeof (n) != "number") {
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112 return;
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113 }
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114 //console.log("Got message " + n);
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115 var oindex = n - this.nrecv;
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116 if (oindex === 0) {
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117 //console.log("Writing message " + n);
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118 this.child.stdin.write(data);
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119 this.nrecv++;
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120 var next;
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121 while ((next = this.msgQ.shift()) !== undefined) {
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122 //console.log("Writing message " + this.nrecv);
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123 this.child.stdin.write(next);
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124 this.nrecv++;
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125 }
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126 if (this.msgQ.length == 0 && this.Qtimeout) {
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127 clearTimeout(this.Qtimeout);
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128 this.Qtimeout = null;
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129 }
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130 }
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131 else if (oindex > 0 && oindex <= 1024) {
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132 console.log("Stashing message " + n + " at " + (oindex - 1));
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133 this.msgQ[oindex - 1] = data;
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134 if (!this.Qtimeout) {
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135 var nextn = this.nrecv + this.msgQ.length + 1;
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136 this.Qtimeout = setTimeout(this.flushQ, 30000, this, nextn);
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137 }
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138 }
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139 /* Otherwise, discard it */
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140 return;
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141 };
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John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
142 this.flushQ = function (session, n) {
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
143 /* Callback for when an unreceived message times out.
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
144 * n is the first empty space that will not be given up on. */
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
145 if (!session.alive)
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
146 return;
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
147 session.nrecv++;
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
148 var next;
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John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
149 /* Clear the queue up to n */
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John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
150 while (session.nrecv < n) {
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
151 next = session.msgQ.shift();
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
152 if (next !== undefined)
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
153 session.child.stdin.write(next);
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
154 session.nrecv++;
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
155 }
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
156 /* Clear out anything that's ready. */
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
157 while ((next = session.msgQ.shift()) !== undefined) {
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
158 session.child.stdin.write(next);
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
159 session.nrecv++;
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
160 }
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
161 /* Now set another timeout if necessary. */
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
162 if (session.msgQ.length != 0) {
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
163 var nextn = session.nrecv + session.msgQ.length + 1;
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
164 session.Qtimeout = setTimeout(session.flushQ, 30000, session, nextn);
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
165 }
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
166 console.log("Flushing queue for session " + session.sessid);
0
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
167 };
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
168 this.read = function () {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
169 if (this.data.length == 0)
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
170 return null;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
171 var pos = 0;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
172 var i = 0;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
173 for (i = 0; i < this.data.length; i++)
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
174 pos += this.data[i].length - 12;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
175 var nbuf = new Buffer(pos);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
176 var tptr;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
177 pos = 0;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
178 while (this.data.length > 0) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
179 tptr = this.data.shift();
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
180 tptr.copy(nbuf, pos, 12);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
181 pos += tptr.length - 12;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
182 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
183 return nbuf;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
184 };
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
185 this.close = function () {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
186 if (this.alive)
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
187 this.child.kill('SIGHUP');
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
188 };
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
189 this.cleanup = function () {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
190 /* Call this when the child is dead. */
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
191 if (this.alive)
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
192 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
193 ss.record.end();
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
194 /* Give the client a chance to read any leftover data. */
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
195 if (ss.data.length > 0)
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
196 setTimeout(ss.remove, 8000);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
197 else
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
198 ss.remove();
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
199 };
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
200 this.remove = function () {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
201 delete sessions[ss.sessid];
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
202 console.log("Session " + this.sessid + " removed.");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
203 };
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
204 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
205
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
206 /* A few utility functions */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
207 function timestamp() {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
208 dd = new Date();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
209 sd = dd.toISOString();
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
210 sd = sd.slice(0, sd.indexOf("."));
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
211 return sd.replace("T", ".");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
212 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
213
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
214 function randkey() {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
215 rnum = Math.floor(Math.random() * 65536 * 65536);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
216 hexstr = rnum.toString(16);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
217 while (hexstr.length < 8)
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
218 hexstr = "0" + hexstr;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
219 return hexstr;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
220 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
221
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
222 /* Returns a list of the cookies in the request, obviously. */
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
223 function getCookies(req) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
224 cookies = [];
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
225 if ("cookie" in req.headers) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
226 cookstrs = req.headers["cookie"].split("; ");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
227 for (var i = 0; i < cookstrs.length; i++) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
228 eqsign = cookstrs[i].indexOf("=");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
229 if (eqsign > 0) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
230 name = cookstrs[i].slice(0, eqsign).toLowerCase();
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
231 val = cookstrs[i].slice(eqsign + 1);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
232 cookies[name] = val;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
233 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
234 else if (eqsign < 0)
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
235 cookies[cookstrs[i]] = null;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
236 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
237 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
238 return cookies;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
239 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
240
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
241 function urlDec(encstr) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
242 var decstr = "";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
243 var tnum;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
244 for (var i = 0; i < encstr.length; i++)
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
245 {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
246 if (encstr.charAt(i) == "+")
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
247 decstr += " ";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
248 else if (encstr.charAt(i) == "%")
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
249 {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
250 tnum = Number("0x" + encstr.slice(i + 1, 2));
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
251 if (!isNaN(tnum) && tnum >= 0)
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
252 decstr += String.fromCharCode(tnum);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
253 i += 2;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
254 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
255 else
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
256 decstr += encstr.charAt(i);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
257 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
258 return decstr;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
259 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
260
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
261 /* Returns the contents of a form */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
262 function getFormValues(formtext) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
263 var pairstrs = formtext.split("&");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
264 var data = {};
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
265 for (var i = 0; i < pairstrs.length; i++)
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
266 {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
267 var eqsign = pairstrs[i].indexOf("=");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
268 if (eqsign > 0) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
269 rawname = pairstrs[i].slice(0, eqsign);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
270 rawval = pairstrs[i].slice(eqsign + 1);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
271 name = urlDec(rawname);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
272 val = urlDec(rawval);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
273 if (!(name in data))
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
274 data[name] = [];
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
275 data[name].push(val);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
276 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
277 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
278 return data;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
279 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
280
16
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
281 function getMsg(posttext) {
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
282 var jsonobj;
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
283 if (!posttext)
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
284 return {};
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
285 try {
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
286 jsonobj = JSON.parse(posttext);
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
287 }
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
288 catch (e) {
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
289 if (e instanceof SyntaxError)
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
290 return {};
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
291 }
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diff changeset
292 if (typeof(jsonobj) != "object")
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293 return {};
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294 return jsonobj;
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295 }
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diff changeset
296
0
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297 function auth(username, password) {
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298 // Real authentication not implemented
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299 return true;
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300 }
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301
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diff changeset
302 function login(req, res, formdata) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
303 if (!("game" in formdata)) {
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John "Elwin" Edwards <elwin@sdf.org>
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304 sendError(res, 2, "No game specified.");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
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305 return;
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parents:
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306 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
307 else if (!("name" in formdata)) {
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John "Elwin" Edwards <elwin@sdf.org>
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diff changeset
308 sendError(res, 2, "Username not given.");
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John "Elwin" Edwards <elwin@sdf.org>
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diff changeset
309 return;
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John "Elwin" Edwards <elwin@sdf.org>
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310 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
311 else if (!("pw" in formdata)) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
312 sendError(res, 2, "Password not given.");
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John "Elwin" Edwards <elwin@sdf.org>
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313 return;
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diff changeset
314 }
16
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diff changeset
315 var username = formdata["name"];
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316 var password = formdata["pw"];
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317 var gname = formdata["game"];
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diff changeset
318 var dims = [formdata["h"], formdata["w"]];
0
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parents:
diff changeset
319 if (!(gname in games)) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
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320 sendError(res, 2, "No such game: " + gname);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
321 console.log("Request for nonexistant game \"" + gname + "\"");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
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322 return;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
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323 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
324 var progressdir = "/dgldir/inprogress-" + games[gname].uname;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
325
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
326 // This sets up the game once starting is approved.
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
327 function startgame() {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
328 var ts = timestamp();
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
329 var lockfile = path.join(progressdir, username + ":node:" + ts + ".ttyrec");
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parents:
diff changeset
330 var ttyrec = path.join("/dgldir/ttyrec", username, gname, ts + ".ttyrec");
16
ef6127ed6da3 RLGWeb: switch to JSON protocol.
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diff changeset
331 var nsession = new TermSession(gname, username, [lockfile, ttyrec], dims);
0
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
332 if (nsession) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
333 /* Technically there's a race condition for the "lock"file, but since
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
334 * it requires the user deliberately starting two games at similar times,
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
335 * it's not too serious. We can't get O_EXCL in Node anyway. */
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
336 res.writeHead(200, {'Content-Type': 'text/plain'});
16
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
337 var reply = {"t": "l", "id": nsession.sessid, "w": nsession.w, "h":
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
338 nsession.h};
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John "Elwin" Edwards <elwin@sdf.org>
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diff changeset
339 res.write(JSON.stringify(reply));
0
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
340 res.end();
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
341 console.log("%s playing %s (key %s, pid %d)", username, gname,
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
342 nsession.sessid, nsession.child.pid);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
343 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
344 else {
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parents:
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345 sendError(res, 5, "Failed to open TTY");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
346 console.log("Unable to allocate TTY for " + gname);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
347 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
348 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
349 function checkit(code, signal) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
350 // check the password
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
351 if (code != 0) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
352 sendError(res, 3);
17
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents: 16
diff changeset
353 if (code == 1)
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
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parents: 16
diff changeset
354 console.log("Password check failed for user " + username);
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
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parents: 16
diff changeset
355 else if (code == 2)
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents: 16
diff changeset
356 console.log("Attempted login by nonexistent user " + username);
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents: 16
diff changeset
357 else
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
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parents: 16
diff changeset
358 console.log("Login failed: sqlickrypt error " + code);
0
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
359 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
360 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
361 // check for an existing game
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
362 fs.readdir(progressdir, function(err, files) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
363 if (!err) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
364 var fre = RegExp("^" + username + ":");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
365 for (var i = 0; i < files.length; i++) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
366 if (files[i].match(fre)) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
367 sendError(res, 4, null);
17
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents: 16
diff changeset
368 console.log(username + " is already playing " + gname);
0
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
369 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
370 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
371 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
372 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
373 // If progressdir isn't readable, start a new game anyway.
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
374 startgame();
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
375 });
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
376 }
17
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents: 16
diff changeset
377 /* Launch the sqlickrypt utility to check the password. */
19
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
378 var checker = child_process.spawn("/bin/sqlickrypt", ["check"]);
17
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents: 16
diff changeset
379 checker.on("exit", checkit);
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents: 16
diff changeset
380 checker.stdin.end(username + '\n' + password + '\n', "utf8");
0
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
381 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
382 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
383
20
5f785e1d5cca RLG-Web: set up user directories on registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 19
diff changeset
384 /* Sets things up for a new user, like dgamelaunch's commands[register] */
5f785e1d5cca RLG-Web: set up user directories on registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 19
diff changeset
385 function regsetup(username) {
5f785e1d5cca RLG-Web: set up user directories on registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 19
diff changeset
386 function regsetup_l2(err) {
5f785e1d5cca RLG-Web: set up user directories on registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 19
diff changeset
387 for (var g in games) {
5f785e1d5cca RLG-Web: set up user directories on registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 19
diff changeset
388 fs.mkdir(path.join("/dgldir/ttyrec", username, games[g].uname), 0755);
5f785e1d5cca RLG-Web: set up user directories on registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 19
diff changeset
389 }
5f785e1d5cca RLG-Web: set up user directories on registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 19
diff changeset
390 }
5f785e1d5cca RLG-Web: set up user directories on registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 19
diff changeset
391 fs.mkdir(path.join("/dgldir/userdata", username), 0755);
5f785e1d5cca RLG-Web: set up user directories on registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 19
diff changeset
392 fs.mkdir(path.join("/dgldir/ttyrec/", username), 0755, regsetup_l2);
5f785e1d5cca RLG-Web: set up user directories on registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 19
diff changeset
393 }
5f785e1d5cca RLG-Web: set up user directories on registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 19
diff changeset
394
19
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
395 function register(req, res, formdata) {
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
396 var uname, passwd, email;
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
397 if (typeof (formdata.name) != "string" || formdata.name === "") {
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
398 sendError(res, 2, "No name given.");
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
399 return;
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
400 }
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
401 else
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
402 uname = formdata["name"];
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
403 if (typeof (formdata.pw) != "string" || formdata.pw === "") {
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
404 sendError(res, 2, "No password given.");
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
405 return;
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
406 }
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
407 else
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
408 passwd = formdata["pw"];
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
409 if (typeof (formdata.email) != "string" || formdata.email === "") {
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
410 /* E-mail is optional */
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
411 email = "nobody@nowhere.not";
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
412 }
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
413 else
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
414 email = formdata["email"];
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
415 function checkreg(code, signal) {
20
5f785e1d5cca RLG-Web: set up user directories on registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 19
diff changeset
416 if (code == 4) {
19
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
417 sendError(res, 2, "Invalid characters in name or email.");
20
5f785e1d5cca RLG-Web: set up user directories on registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 19
diff changeset
418 console.log("Attempted registration: " + uname + " " + email);
5f785e1d5cca RLG-Web: set up user directories on registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 19
diff changeset
419 }
5f785e1d5cca RLG-Web: set up user directories on registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 19
diff changeset
420 else if (code == 1) {
19
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
421 sendError(res, 2, "Username " + uname + " is already being used.");
20
5f785e1d5cca RLG-Web: set up user directories on registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 19
diff changeset
422 console.log("Attempted duplicate registration: " + uname);
5f785e1d5cca RLG-Web: set up user directories on registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 19
diff changeset
423 }
5f785e1d5cca RLG-Web: set up user directories on registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 19
diff changeset
424 else if (code != 0) {
19
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
425 sendError(res, 0, null);
20
5f785e1d5cca RLG-Web: set up user directories on registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 19
diff changeset
426 console.log("sqlickrypt register failed with code " + code);
5f785e1d5cca RLG-Web: set up user directories on registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 19
diff changeset
427 }
19
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
428 else {
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
429 res.writeHead(200, {'Content-Type': 'text/plain'});
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
430 var reply = {"t": "r", "d": uname};
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
431 res.write(JSON.stringify(reply));
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
432 res.end();
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
433 console.log("Added new user: " + uname);
20
5f785e1d5cca RLG-Web: set up user directories on registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 19
diff changeset
434 regsetup(uname);
19
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
435 }
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
436 }
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
437 var child_adder = child_process.spawn("/bin/sqlickrypt", ["register"]);
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
438 child_adder.on("exit", checkreg);
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
439 child_adder.stdin.end(uname + '\n' + passwd + '\n' + email + '\n', "utf8");
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
440 return;
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
441 }
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
442
0
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
443 function logout(term, res) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
444 if (!term.alive) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
445 sendError(res, 1, null);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
446 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
447 }
22
51d59a0e3b20 Fix some typos.
John "Elwin" Edwards <elwin@sdf.org>
parents: 20
diff changeset
448 term.close();
0
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
449 var resheaders = {'Content-Type': 'text/plain'};
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
450 res.writeHead(200, resheaders);
16
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
451 res.write(JSON.stringify({"t": "q"}));
0
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
452 res.end();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
453 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
454 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
455
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
456 function findTermSession(formdata) {
16
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
457 if (typeof(formdata) != "object")
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
458 return null;
0
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
459 if ("id" in formdata) {
16
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
460 var sessid = formdata["id"];
0
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
461 if (sessid in sessions) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
462 return sessions[sessid];
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
463 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
464 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
465 return null;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
466 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
467
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
468 function serveStatic(req, res, fname) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
469 var nname = path.normalize(fname);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
470 if (nname == "" || nname == "/")
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
471 nname = "index.html";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
472 if (nname.match(/\/$/))
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
473 path.join(nname, "index.html"); /* it was a directory */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
474 var realname = path.join(serveStaticRoot, nname);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
475 var extension = path.extname(realname);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
476 path.exists(realname, function (exists) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
477 var resheaders = {};
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
478 if (!exists || !extension || extension == ".html")
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
479 resheaders["Content-Type"] = "text/html";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
480 else if (extension == ".png")
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
481 resheaders["Content-Type"] = "image/png";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
482 else if (extension == ".css")
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
483 resheaders["Content-Type"] = "text/css";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
484 else if (extension == ".js")
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
485 resheaders["Content-Type"] = "text/javascript";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
486 else if (extension == ".svg")
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
487 resheaders["Content-Type"] = "image/svg+xml";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
488 else
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
489 resheaders["Content-Type"] = "application/octet-stream";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
490 if (exists) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
491 fs.readFile(realname, function (error, data) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
492 if (error) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
493 res.writeHead(500, {});
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
494 res.end();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
495 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
496 else {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
497 res.writeHead(200, resheaders);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
498 res.write(data);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
499 res.end();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
500 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
501 });
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
502 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
503 else {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
504 res.writeHead(404, resheaders);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
505 res.write("<html><head><title>" + nname + "</title></head>\n<body><h1>" + nname + " Not Found</h1></body></html>\n");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
506 res.end();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
507 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
508 });
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
509 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
510 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
511
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
512 function readFeed(res, term) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
513 if (term) {
16
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
514 var reply = {};
0
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
515 var result = term.read();
16
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
516 if (result == null) {
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
517 if (term.alive)
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
518 reply.t = "n";
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
519 else
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
520 reply.t = "q";
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
521 }
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
522 else {
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
523 reply.t = "d";
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
524 reply.n = term.nsend++;
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
525 reply.d = result.toString("hex");
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
526 }
0
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
527 res.writeHead(200, { "Content-Type": "text/plain" });
16
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
528 res.write(JSON.stringify(reply));
0
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
529 res.end();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
530 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
531 else {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
532 sendError(res, 1, null);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
533 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
534 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
535
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
536 var errorcodes = [ "Generic Error", "Not logged in", "Invalid data",
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
537 "Login failed", "Already playing", "Game launch failed" ];
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
538
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
539 function sendError(res, ecode, msg) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
540 res.writeHead(200, { "Content-Type": "text/plain" });
16
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
541 var edict = {"t": "E"};
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
542 if (!(ecode < errorcodes.length && ecode > 0))
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
543 ecode = 0;
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
544 edict["c"] = ecode;
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
545 edict["s"] = errorcodes[ecode];
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
546 if (msg)
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
547 edict["s"] += ": " + msg;
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
548 res.write(JSON.stringify(edict));
0
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
549 res.end();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
550 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
551
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
552 function handler(req, res) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
553 /* default headers for the response */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
554 var resheaders = {'Content-Type': 'text/html'};
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
555 /* The request body will be added to this as it arrives. */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
556 var reqbody = "";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
557 var formdata;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
558
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
559 /* Register a listener to get the body. */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
560 function moredata(chunk) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
561 reqbody += chunk;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
562 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
563 req.on('data', moredata);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
564
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
565 /* This will send the response once the whole request is here. */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
566 function respond() {
16
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
567 //formdata = getFormValues(reqbody);
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
568 formdata = getMsg(reqbody);
0
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
569 var target = url.parse(req.url).pathname;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
570 var cterm = findTermSession(formdata);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
571 /* First figure out if the client is POSTing to a command interface. */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
572 if (req.method == 'POST') {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
573 if (target == '/feed') {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
574 if (!cterm) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
575 sendError(res, 1, null);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
576 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
577 }
16
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
578 if (formdata.t == "q") {
0
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
579 /* The client wants to terminate the process. */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
580 logout(cterm, res);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
581 }
16
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
582 else if (formdata.t == "d" && typeof(formdata.d) == "string") {
0
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
583 /* process the keys */
16
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
584 hexstr = formdata.d.replace(/[^0-9a-f]/gi, "");
0
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
585 if (hexstr.length % 2 != 0) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
586 sendError(res, 2, "incomplete byte");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
587 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
588 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
589 keybuf = new Buffer(hexstr, "hex");
16
ef6127ed6da3 RLGWeb: switch to JSON protocol.
John "Elwin" Edwards <elwin@sdf.org>
parents: 8
diff changeset
590 /* TODO OoO correction */
23
21de24c08aed Implement message order correction on the server side.
John "Elwin" Edwards <elwin@sdf.org>
parents: 22
diff changeset
591 cterm.write(keybuf, formdata.n);
0
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
592 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
593 readFeed(res, cterm);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
594 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
595 else if (target == "/login") {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
596 login(req, res, formdata);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
597 }
19
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
598 else if (target == "/addacct") {
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
599 register(req, res, formdata);
188bbd857124 RLG-Web: add user registration
John "Elwin" Edwards <elwin@sdf.org>
parents: 17
diff changeset
600 }
0
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
601 else {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
602 res.writeHead(405, resheaders);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
603 res.end();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
604 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
605 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
606 else if (req.method == 'GET' || req.method == 'HEAD') {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
607 if (target == '/feed') {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
608 if (!cterm) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
609 sendError(res, 1, null);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
610 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
611 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
612 readFeed(res, cterm);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
613 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
614 /* Default page, create a new term */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
615 /* FIXME New term not created anymore, is a special case still needed? */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
616 else if (target == '/') {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
617 serveStatic(req, res, "/");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
618 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
619 else /* Go look for it in the filesystem */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
620 serveStatic(req, res, target);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
621 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
622 else { /* Some other method */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
623 res.writeHead(501, resheaders);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
624 res.write("<html><head><title>501</title></head>\n<body><h1>501 Not Implemented</h1></body></html>\n");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
625 res.end();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
626 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
627 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
628 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
629 req.on('end', respond);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
630
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
631 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
632
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
633 process.on("exit", function () {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
634 for (var sessid in sessions) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
635 if (sessions[sessid].alive)
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
636 sessions[sessid].child.kill('SIGHUP');
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
637 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
638 console.log("Quitting...");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
639 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
640 });
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
641
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
642 /* Initialization STARTS HERE */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
643 process.env["TERM"] = "xterm-256color";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
644
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
645 if (process.getuid() != 0) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
646 console.log("Not running as root, cannot chroot.");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
647 process.exit(1);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
648 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
649 try {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
650 process.chdir(chrootDir);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
651 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
652 catch (err) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
653 console.log("Cannot enter " + chrootDir + " : " + err);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
654 process.exit(1);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
655 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
656 try {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
657 daemon.chroot(chrootDir);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
658 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
659 catch (err) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
660 console.log("chroot to " + chrootDir + " failed: " + err);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
661 process.exit(1);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
662 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
663 try {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
664 // drop gid first, that requires UID=0
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
665 process.setgid(dropToGID);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
666 process.setuid(dropToUID);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
667 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
668 catch (err) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
669 console.log("Could not drop permissions: " + err);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
670 process.exit(1);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
671 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
672
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
673 http.createServer(handler).listen(8080, "127.0.0.1");
8
ad0a31e52007 Call the dgl replacement rlgwebd instead of webttyd.
John "Elwin" Edwards <elwin@sdf.org>
parents: 0
diff changeset
674 console.log('rlgwebd running at http://127.0.0.1:8080/');