annotate webttyd.js @ 0:bd412f63ce0d

Put this project under version control, finally.
author John "Elwin" Edwards <elwin@sdf.org>
date Sun, 06 May 2012 08:45:40 -0700
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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 tty = require("tty");
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10 var child_process = require('child_process');
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11 var daemon = require(path.join(localModules, "daemon"));
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12
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13 var chrootDir = "/var/dgl/";
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14 var dropToUID = 501;
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15 var dropToGID = 501;
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16 var serveStaticRoot = "/var/www/"; // inside the chroot
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17 var passwdfile = "/dgldir/dgl-login";
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18 var sessions = {};
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19
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20 var games = {
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21 "rogue3": {
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22 "name": "Rogue V3",
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23 "uname": "rogue3",
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24 "path": "/bin/rogue3"
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25 },
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26 "rogue4": {
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27 "name": "Rogue V4",
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28 "uname": "rogue4",
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29 "path": "/bin/rogue4"
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30 },
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31 "rogue5": {
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32 "name": "Rogue V5",
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33 "uname": "rogue5",
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34 "path": "/bin/rogue5"
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35 },
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36 "srogue": {
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37 "name": "Super-Rogue",
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38 "uname": "srogue",
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39 "path": "/bin/srogue"
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40 }
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41 };
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42
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43 /* Constructor for TermSessions. Note that it opens the terminal and
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44 * adds itself to the sessions dict. It currently assumes the user has
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45 * been authenticated.
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46 */
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47 function TermSession(game, user, files) {
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48 /* First make sure starting the game will work. */
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49 if (!(game in games)) {
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50 // TODO: throw an exception instead
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51 return null;
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52 }
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53 /* This order seems to best avoid race conditions... */
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54 this.alive = false;
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55 this.sessid = randkey();
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56 while (this.sessid in sessions) {
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57 this.sessid = randkey();
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58 }
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59 /* Grab a spot in the sessions table. */
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60 sessions[this.sessid] = this;
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61 /* TODO handle tty-opening errors */
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62 //var pterm = tty.open(games[game].path, ["-n", user.toString()]);
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63 /* TODO make argument-finding into a method */
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64 args = [games[game].path, "-n", user.toString()];
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65 this.child = child_process.spawn("/bin/ptyhelper", args);
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66 var ss = this;
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67 //this.ptmx = pterm[0];
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68 //this.child = pterm[1];
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69 this.alive = true;
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70 this.data = [];
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71 this.lock = files[0];
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72 fs.writeFile(this.lock, this.child.pid.toString() + '\n80\n24\n', "utf8");
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73 this.record = fs.createWriteStream(files[1], { mode: 0664 });
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74 /* END setup */
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75 function ttyrec_chunk(buf) {
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76 var ts = new Date();
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77 var chunk = new Buffer(buf.length + 12);
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78 /* TTYREC headers */
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79 chunk.writeUInt32LE(Math.floor(ts.getTime() / 1000), 0);
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80 chunk.writeUInt32LE(1000 * (ts.getTime() % 1000), 4);
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81 chunk.writeUInt32LE(buf.length, 8);
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82 buf.copy(chunk, 12);
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83 ss.data.push(chunk);
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84 ss.record.write(chunk);
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85 }
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86 this.child.stdout.on("data", ttyrec_chunk);
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87 this.child.stderr.on("data", ttyrec_chunk);
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88 this.child.on("exit", function (code, signal) {
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89 ss.exitcode = (code != null ? code : 255);
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90 ss.alive = false;
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91 fs.unlink(ss.lock);
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92 /* Wait for all the data to get collected */
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93 setTimeout(ss.cleanup, 1000);
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94 });
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95 this.write = function (data) {
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96 if (this.alive)
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97 this.child.stdin.write(data);
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98 /* Otherwise, throw some kind of exception? */
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99 };
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100 this.read = function () {
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101 if (this.data.length == 0)
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102 return null;
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103 var pos = 0;
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104 var i = 0;
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105 for (i = 0; i < this.data.length; i++)
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106 pos += this.data[i].length - 12;
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107 var nbuf = new Buffer(pos);
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108 var tptr;
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109 pos = 0;
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110 while (this.data.length > 0) {
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111 tptr = this.data.shift();
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112 tptr.copy(nbuf, pos, 12);
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113 pos += tptr.length - 12;
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114 }
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115 return nbuf;
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116 };
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117 this.close = function () {
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118 if (this.alive)
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119 this.child.kill('SIGHUP');
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120 };
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121 this.cleanup = function () {
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122 /* Call this when the child is dead. */
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123 if (this.alive)
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124 return;
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125 //ss.ptmx.destroy();
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126 ss.record.end();
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127 /* Give the client a chance to read any leftover data. */
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128 if (ss.data.length > 0)
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129 setTimeout(ss.remove, 8000);
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130 else
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131 ss.remove();
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132 };
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133 this.remove = function () {
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134 delete sessions[ss.sessid];
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135 console.log("Session " + this.sessid + " removed.");
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136 };
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137 }
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138
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139 /* A few utility functions */
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140 function timestamp() {
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141 dd = new Date();
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142 sd = dd.toISOString();
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143 sd = sd.slice(0, sd.indexOf("."));
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144 return sd.replace("T", ".");
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145 }
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146
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parents:
diff changeset
147 function randkey() {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
148 rnum = Math.floor(Math.random() * 65536 * 65536);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
149 hexstr = rnum.toString(16);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
150 while (hexstr.length < 8)
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
151 hexstr = "0" + hexstr;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
152 return hexstr;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
153 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
154
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
155 /* Returns a list of the cookies in the request, obviously. */
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
156 function getCookies(req) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
157 cookies = [];
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
158 if ("cookie" in req.headers) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
159 cookstrs = req.headers["cookie"].split("; ");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
160 for (var i = 0; i < cookstrs.length; i++) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
161 eqsign = cookstrs[i].indexOf("=");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
162 if (eqsign > 0) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
163 name = cookstrs[i].slice(0, eqsign).toLowerCase();
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
164 val = cookstrs[i].slice(eqsign + 1);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
165 cookies[name] = val;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
166 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
167 else if (eqsign < 0)
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
168 cookies[cookstrs[i]] = null;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
169 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
170 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
171 return cookies;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
172 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
173
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
174 function urlDec(encstr) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
175 var decstr = "";
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
176 var tnum;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
177 for (var i = 0; i < encstr.length; i++)
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
178 {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
179 if (encstr.charAt(i) == "+")
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
180 decstr += " ";
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
181 else if (encstr.charAt(i) == "%")
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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 tnum = Number("0x" + encstr.slice(i + 1, 2));
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
184 if (!isNaN(tnum) && tnum >= 0)
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
185 decstr += String.fromCharCode(tnum);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
186 i += 2;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
187 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
188 else
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
189 decstr += encstr.charAt(i);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
190 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
191 return decstr;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
192 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
193
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
194 /* Returns the contents of a form */
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
195 function getFormValues(formtext) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
196 var pairstrs = formtext.split("&");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
197 var data = {};
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
198 for (var i = 0; i < pairstrs.length; i++)
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
199 {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
200 var eqsign = pairstrs[i].indexOf("=");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
201 if (eqsign > 0) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
202 rawname = pairstrs[i].slice(0, eqsign);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
203 rawval = pairstrs[i].slice(eqsign + 1);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
204 name = urlDec(rawname);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
205 val = urlDec(rawval);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
206 if (!(name in data))
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
207 data[name] = [];
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
208 data[name].push(val);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
209 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
210 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
211 return data;
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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
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
214 function auth(username, password) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
215 // Real authentication not implemented
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
216 return true;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
217 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
218
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
219 function login(req, res, formdata) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
220 if (!("game" in formdata)) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
221 sendError(res, 2, "No game specified.");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
222 return;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
223 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
224 else if (!("name" in formdata)) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
225 sendError(res, 2, "Username not given.");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
226 return;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
227 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
228 else if (!("pw" in formdata)) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
229 sendError(res, 2, "Password not given.");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
230 return;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
231 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
232 var username = formdata["name"][0];
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
233 var password = formdata["pw"][0];
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
234 var gname = formdata["game"][0];
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
235 if (!(gname in games)) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
236 sendError(res, 2, "No such game: " + gname);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
237 console.log("Request for nonexistant game \"" + gname + "\"");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
238 return;
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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 var progressdir = "/dgldir/inprogress-" + games[gname].uname;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
241
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
242 // This sets up the game once starting is approved.
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
243 function startgame() {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
244 var ts = timestamp();
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
245 var lockfile = path.join(progressdir, username + ":node:" + ts + ".ttyrec");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
246 var ttyrec = path.join("/dgldir/ttyrec", username, gname, ts + ".ttyrec");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
247 var nsession = new TermSession(gname, username, [lockfile, ttyrec]);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
248 if (nsession) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
249 /* 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
250 * it requires the user deliberately starting two games at similar times,
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
251 * 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
252 res.writeHead(200, {'Content-Type': 'text/plain'});
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
253 res.write("l1\n" + nsession.sessid + "\n");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
254 res.end();
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
255 console.log("%s playing %s (key %s, pid %d)", username, gname,
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
256 nsession.sessid, nsession.child.pid);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
257 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
258 else {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
259 sendError(res, 5, "Failed to open TTY");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
260 console.log("Unable to allocate TTY for " + gname);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
261 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
262 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
263 function checkit(code, signal) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
264 // check the password
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
265 if (code != 0) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
266 sendError(res, 3);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
267 console.log("Password check failed for user " + username);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
268 return;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
269 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
270 // check for an existing game
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
271 fs.readdir(progressdir, function(err, files) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
272 if (!err) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
273 var fre = RegExp("^" + username + ":");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
274 for (var i = 0; i < files.length; i++) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
275 if (files[i].match(fre)) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
276 sendError(res, 4, null);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
277 return;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
278 }
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 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
281 // If progressdir isn't readable, start a new game anyway.
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
282 startgame();
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
283 });
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
284 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
285 /* Look for the user in the password file */
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
286 fs.readFile(passwdfile, "utf8", function(err, data) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
287 if (err) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
288 sendError(res, 3);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
289 console.log("Can't authenticate: " + err.toString());
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
290 return;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
291 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
292 var dlines = data.split('\n');
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
293 for (var n = 0; n < dlines.length; n++) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
294 var fields = dlines[n].split(':');
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
295 if (fields[0] == username) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
296 // check the password with the quickrypt utility
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
297 checker = require('child_process').spawn("/bin/quickrypt")
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
298 checker.on("exit", checkit);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
299 checker.stdin.end(password + '\n' + fields[2] + '\n', "utf8");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
300 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
301 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
302 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
303 sendError(res, 3);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
304 console.log("Attempted login by nonexistent user " + username);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
305 });
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
306 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
307 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
308
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
309 function logout(term, res) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
310 if (!term.alive) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
311 sendError(res, 1, null);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
312 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
313 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
314 cterm.close();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
315 var resheaders = {'Content-Type': 'text/plain'};
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
316 res.writeHead(200, resheaders);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
317 res.write("q1\n\n");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
318 res.end();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
319 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
320 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
321
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
322 function findTermSession(formdata) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
323 if ("id" in formdata) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
324 var sessid = formdata["id"][0];
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
325 if (sessid in sessions) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
326 return sessions[sessid];
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
327 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
328 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
329 return null;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
330 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
331
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
332 function serveStatic(req, res, fname) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
333 var nname = path.normalize(fname);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
334 if (nname == "" || nname == "/")
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
335 nname = "index.html";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
336 if (nname.match(/\/$/))
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
337 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
338 var realname = path.join(serveStaticRoot, nname);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
339 var extension = path.extname(realname);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
340 path.exists(realname, function (exists) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
341 var resheaders = {};
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
342 if (!exists || !extension || extension == ".html")
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
343 resheaders["Content-Type"] = "text/html";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
344 else if (extension == ".png")
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
345 resheaders["Content-Type"] = "image/png";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
346 else if (extension == ".css")
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
347 resheaders["Content-Type"] = "text/css";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
348 else if (extension == ".js")
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
349 resheaders["Content-Type"] = "text/javascript";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
350 else if (extension == ".svg")
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
351 resheaders["Content-Type"] = "image/svg+xml";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
352 else
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
353 resheaders["Content-Type"] = "application/octet-stream";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
354 if (exists) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
355 fs.readFile(realname, function (error, data) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
356 if (error) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
357 res.writeHead(500, {});
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
358 res.end();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
359 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
360 else {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
361 res.writeHead(200, resheaders);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
362 res.write(data);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
363 res.end();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
364 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
365 });
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
366 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
367 else {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
368 res.writeHead(404, resheaders);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
369 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
370 res.end();
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 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
374 }
bd412f63ce0d Put this project under version control, finally.
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 function readFeed(res, term) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
377 if (term) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
378 var result = term.read();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
379 res.writeHead(200, { "Content-Type": "text/plain" });
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
380 if (result == null)
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
381 resultstr = "";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
382 else
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
383 resultstr = result.toString("hex");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
384 if (result == null && !term.alive) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
385 /* Child has terminated and data is flushed. */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
386 res.write("q1\n\n");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
387 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
388 else
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
389 res.write("d" + resultstr.length.toString() + "\n" + resultstr + "\n");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
390 res.end();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
391 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
392 else {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
393 //console.log("Where's the term?");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
394 sendError(res, 1, null);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
395 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
396 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
397
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
398 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
399 "Login failed", "Already playing", "Game launch failed" ];
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
400
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
401 function sendError(res, ecode, msg) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
402 res.writeHead(200, { "Content-Type": "text/plain" });
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
403 if (ecode < errorcodes.length && ecode > 0) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
404 var emsg = errorcodes[ecode];
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
405 if (msg)
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
406 emsg += ": " + msg;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
407 res.write("E" + ecode + '\n' + emsg + '\n');
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
408 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
409 else
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
410 res.write("E0\nGeneric Error\n");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
411 res.end();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
412 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
413
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
414 function handler(req, res) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
415 /* default headers for the response */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
416 var resheaders = {'Content-Type': 'text/html'};
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
417 /* 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
418 var reqbody = "";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
419 var formdata;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
420
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
421 /* Register a listener to get the body. */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
422 function moredata(chunk) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
423 reqbody += chunk;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
424 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
425 req.on('data', moredata);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
426
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
427 /* 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
428 function respond() {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
429 formdata = getFormValues(reqbody);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
430 var target = url.parse(req.url).pathname;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
431 var cterm = findTermSession(formdata);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
432 /* 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
433 if (req.method == 'POST') {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
434 if (target == '/feed') {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
435 if (!cterm) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
436 sendError(res, 1, null);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
437 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
438 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
439 if ("quit" in formdata) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
440 /* The client wants to terminate the process. */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
441 logout(cterm, res);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
442 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
443 else if (formdata["keys"]) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
444 /* process the keys */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
445 hexstr = formdata["keys"][0].replace(/[^0-9a-f]/gi, "");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
446 if (hexstr.length % 2 != 0) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
447 sendError(res, 2, "incomplete byte");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
448 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
449 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
450 keybuf = new Buffer(hexstr, "hex");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
451 cterm.write(keybuf);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
452 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
453 readFeed(res, cterm);
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 else if (target == "/login") {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
456 login(req, res, formdata);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
457 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
458 else {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
459 res.writeHead(405, resheaders);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
460 res.end();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
461 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
462 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
463 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
464 if (target == '/feed') {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
465 if (!cterm) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
466 sendError(res, 1, null);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
467 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
468 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
469 readFeed(res, cterm);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
470 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
471 /* Default page, create a new term */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
472 /* 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
473 else if (target == '/') {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
474 serveStatic(req, res, "/");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
475 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
476 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
477 serveStatic(req, res, target);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
478 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
479 else { /* Some other method */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
480 res.writeHead(501, resheaders);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
481 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
482 res.end();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
483 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
484 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
485 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
486 req.on('end', respond);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
487
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
488 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
489
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
490 process.on("exit", function () {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
491 for (var sessid in sessions) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
492 if (sessions[sessid].alive)
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
493 sessions[sessid].child.kill('SIGHUP');
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
494 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
495 console.log("Quitting...");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
496 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
497 });
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
498
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
499 /* Initialization STARTS HERE */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
500 process.env["TERM"] = "xterm-256color";
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 if (process.getuid() != 0) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
503 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
504 process.exit(1);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
505 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
506 try {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
507 process.chdir(chrootDir);
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 catch (err) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
510 console.log("Cannot enter " + chrootDir + " : " + err);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
511 process.exit(1);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
512 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
513 try {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
514 daemon.chroot(chrootDir);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
515 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
516 catch (err) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
517 console.log("chroot to " + chrootDir + " failed: " + err);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
518 process.exit(1);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
519 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
520 try {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
521 // drop gid first, that requires UID=0
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
522 process.setgid(dropToGID);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
523 process.setuid(dropToUID);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
524 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
525 catch (err) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
526 console.log("Could not drop permissions: " + err);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
527 process.exit(1);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
528 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
529
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
530 http.createServer(handler).listen(8080, "127.0.0.1");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
531 console.log('webttyd running at http://127.0.0.1:8080/');