annotate rlgwebd.js @ 8:ad0a31e52007

Call the dgl replacement rlgwebd instead of webttyd.
author John "Elwin" Edwards <elwin@sdf.org>
date Mon, 07 May 2012 16:08:59 -0700
parents webttyd.js@bd412f63ce0d
children ef6127ed6da3
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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) {
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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 /* TODO handle tty-opening errors */
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61 /* TODO make argument-finding into a method */
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62 args = [games[game].path, "-n", user.toString()];
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63 this.child = child_process.spawn("/bin/ptyhelper", args);
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64 var ss = this;
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65 this.alive = true;
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66 this.data = [];
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67 this.lock = files[0];
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68 fs.writeFile(this.lock, this.child.pid.toString() + '\n80\n24\n', "utf8");
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69 this.record = fs.createWriteStream(files[1], { mode: 0664 });
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70 /* END setup */
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71 function ttyrec_chunk(buf) {
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72 var ts = new Date();
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73 var chunk = new Buffer(buf.length + 12);
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74 /* TTYREC headers */
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75 chunk.writeUInt32LE(Math.floor(ts.getTime() / 1000), 0);
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76 chunk.writeUInt32LE(1000 * (ts.getTime() % 1000), 4);
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77 chunk.writeUInt32LE(buf.length, 8);
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78 buf.copy(chunk, 12);
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79 ss.data.push(chunk);
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80 ss.record.write(chunk);
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81 }
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82 this.child.stdout.on("data", ttyrec_chunk);
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83 this.child.stderr.on("data", ttyrec_chunk);
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84 this.child.on("exit", function (code, signal) {
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85 ss.exitcode = (code != null ? code : 255);
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86 ss.alive = false;
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87 fs.unlink(ss.lock);
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88 /* Wait for all the data to get collected */
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89 setTimeout(ss.cleanup, 1000);
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90 });
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91 this.write = function (data) {
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92 if (this.alive)
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93 this.child.stdin.write(data);
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94 /* Otherwise, throw some kind of exception? */
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95 };
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96 this.read = function () {
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97 if (this.data.length == 0)
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98 return null;
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99 var pos = 0;
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100 var i = 0;
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101 for (i = 0; i < this.data.length; i++)
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102 pos += this.data[i].length - 12;
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103 var nbuf = new Buffer(pos);
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104 var tptr;
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105 pos = 0;
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106 while (this.data.length > 0) {
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107 tptr = this.data.shift();
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108 tptr.copy(nbuf, pos, 12);
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109 pos += tptr.length - 12;
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110 }
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111 return nbuf;
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112 };
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113 this.close = function () {
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114 if (this.alive)
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115 this.child.kill('SIGHUP');
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116 };
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117 this.cleanup = function () {
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118 /* Call this when the child is dead. */
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119 if (this.alive)
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120 return;
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121 ss.record.end();
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122 /* Give the client a chance to read any leftover data. */
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123 if (ss.data.length > 0)
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124 setTimeout(ss.remove, 8000);
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125 else
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126 ss.remove();
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127 };
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128 this.remove = function () {
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129 delete sessions[ss.sessid];
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130 console.log("Session " + this.sessid + " removed.");
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131 };
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132 }
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133
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134 /* A few utility functions */
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135 function timestamp() {
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136 dd = new Date();
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137 sd = dd.toISOString();
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138 sd = sd.slice(0, sd.indexOf("."));
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139 return sd.replace("T", ".");
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140 }
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141
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142 function randkey() {
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143 rnum = Math.floor(Math.random() * 65536 * 65536);
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144 hexstr = rnum.toString(16);
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145 while (hexstr.length < 8)
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146 hexstr = "0" + hexstr;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
147 return hexstr;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
148 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
149
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
150 /* Returns a list of the cookies in the request, obviously. */
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
151 function getCookies(req) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
152 cookies = [];
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
153 if ("cookie" in req.headers) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
154 cookstrs = req.headers["cookie"].split("; ");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
155 for (var i = 0; i < cookstrs.length; i++) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
156 eqsign = cookstrs[i].indexOf("=");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
157 if (eqsign > 0) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
158 name = cookstrs[i].slice(0, eqsign).toLowerCase();
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
159 val = cookstrs[i].slice(eqsign + 1);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
160 cookies[name] = val;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
161 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
162 else if (eqsign < 0)
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
163 cookies[cookstrs[i]] = null;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
164 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
165 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
166 return cookies;
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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
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
169 function urlDec(encstr) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
170 var decstr = "";
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
171 var tnum;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
172 for (var i = 0; i < encstr.length; i++)
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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 if (encstr.charAt(i) == "+")
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
175 decstr += " ";
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
176 else if (encstr.charAt(i) == "%")
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John "Elwin" Edwards <elwin@sdf.org>
parents:
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177 {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
178 tnum = Number("0x" + encstr.slice(i + 1, 2));
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
179 if (!isNaN(tnum) && tnum >= 0)
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
180 decstr += String.fromCharCode(tnum);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
181 i += 2;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
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182 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
183 else
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
184 decstr += encstr.charAt(i);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
185 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
186 return decstr;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
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187 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
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188
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
189 /* Returns the contents of a form */
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
190 function getFormValues(formtext) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
191 var pairstrs = formtext.split("&");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
192 var data = {};
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
193 for (var i = 0; i < pairstrs.length; i++)
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
194 {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
195 var eqsign = pairstrs[i].indexOf("=");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
196 if (eqsign > 0) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
197 rawname = pairstrs[i].slice(0, eqsign);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
198 rawval = pairstrs[i].slice(eqsign + 1);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
199 name = urlDec(rawname);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
200 val = urlDec(rawval);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
201 if (!(name in data))
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
202 data[name] = [];
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
203 data[name].push(val);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
204 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
205 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
206 return data;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
207 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
208
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
209 function auth(username, password) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
210 // Real authentication not implemented
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
211 return true;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
212 }
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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 login(req, res, formdata) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
215 if (!("game" in formdata)) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
216 sendError(res, 2, "No game specified.");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
217 return;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
218 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
219 else if (!("name" in formdata)) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
220 sendError(res, 2, "Username not given.");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
221 return;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
222 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
223 else if (!("pw" in formdata)) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
224 sendError(res, 2, "Password not given.");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
225 return;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
226 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
227 var username = formdata["name"][0];
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
228 var password = formdata["pw"][0];
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
229 var gname = formdata["game"][0];
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
230 if (!(gname in games)) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
231 sendError(res, 2, "No such game: " + gname);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
232 console.log("Request for nonexistant game \"" + gname + "\"");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
233 return;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
234 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
235 var progressdir = "/dgldir/inprogress-" + games[gname].uname;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
236
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
237 // This sets up the game once starting is approved.
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
238 function startgame() {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
239 var ts = timestamp();
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
240 var lockfile = path.join(progressdir, username + ":node:" + ts + ".ttyrec");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
241 var ttyrec = path.join("/dgldir/ttyrec", username, gname, ts + ".ttyrec");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
242 var nsession = new TermSession(gname, username, [lockfile, ttyrec]);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
243 if (nsession) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
244 /* 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
245 * it requires the user deliberately starting two games at similar times,
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
246 * 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
247 res.writeHead(200, {'Content-Type': 'text/plain'});
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
248 res.write("l1\n" + nsession.sessid + "\n");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
249 res.end();
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
250 console.log("%s playing %s (key %s, pid %d)", username, gname,
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
251 nsession.sessid, nsession.child.pid);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
252 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
253 else {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
254 sendError(res, 5, "Failed to open TTY");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
255 console.log("Unable to allocate TTY for " + gname);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
256 }
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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 function checkit(code, signal) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
259 // check the password
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
260 if (code != 0) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
261 sendError(res, 3);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
262 console.log("Password check failed for user " + username);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
263 return;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
264 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
265 // check for an existing game
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
266 fs.readdir(progressdir, function(err, files) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
267 if (!err) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
268 var fre = RegExp("^" + username + ":");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
269 for (var i = 0; i < files.length; i++) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
270 if (files[i].match(fre)) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
271 sendError(res, 4, null);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
272 return;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
273 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
274 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
275 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
276 // If progressdir isn't readable, start a new game anyway.
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
277 startgame();
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
278 });
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
279 }
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
280 /* Look for the user in the password file */
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
281 fs.readFile(passwdfile, "utf8", function(err, data) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
282 if (err) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
283 sendError(res, 3);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
284 console.log("Can't authenticate: " + err.toString());
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
285 return;
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
286 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
287 var dlines = data.split('\n');
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
288 for (var n = 0; n < dlines.length; n++) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
289 var fields = dlines[n].split(':');
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
290 if (fields[0] == username) {
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
291 // check the password with the quickrypt utility
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
292 checker = require('child_process').spawn("/bin/quickrypt")
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
293 checker.on("exit", checkit);
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
294 checker.stdin.end(password + '\n' + fields[2] + '\n', "utf8");
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John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
295 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
296 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
297 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
298 sendError(res, 3);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
299 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
300 });
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
301 return;
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
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
304 function logout(term, res) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
305 if (!term.alive) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
306 sendError(res, 1, null);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
307 return;
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 cterm.close();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
310 var resheaders = {'Content-Type': 'text/plain'};
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
311 res.writeHead(200, resheaders);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
312 res.write("q1\n\n");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
313 res.end();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
314 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
315 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
316
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
317 function findTermSession(formdata) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
318 if ("id" in formdata) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
319 var sessid = formdata["id"][0];
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
320 if (sessid in sessions) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
321 return sessions[sessid];
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
322 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
323 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
324 return null;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
325 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
326
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
327 function serveStatic(req, res, fname) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
328 var nname = path.normalize(fname);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
329 if (nname == "" || nname == "/")
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
330 nname = "index.html";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
331 if (nname.match(/\/$/))
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
332 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
333 var realname = path.join(serveStaticRoot, nname);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
334 var extension = path.extname(realname);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
335 path.exists(realname, function (exists) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
336 var resheaders = {};
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
337 if (!exists || !extension || extension == ".html")
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
338 resheaders["Content-Type"] = "text/html";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
339 else if (extension == ".png")
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
340 resheaders["Content-Type"] = "image/png";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
341 else if (extension == ".css")
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
342 resheaders["Content-Type"] = "text/css";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
343 else if (extension == ".js")
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
344 resheaders["Content-Type"] = "text/javascript";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
345 else if (extension == ".svg")
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
346 resheaders["Content-Type"] = "image/svg+xml";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
347 else
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
348 resheaders["Content-Type"] = "application/octet-stream";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
349 if (exists) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
350 fs.readFile(realname, function (error, data) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
351 if (error) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
352 res.writeHead(500, {});
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
353 res.end();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
354 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
355 else {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
356 res.writeHead(200, resheaders);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
357 res.write(data);
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 });
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
361 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
362 else {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
363 res.writeHead(404, resheaders);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
364 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
365 res.end();
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 });
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
368 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
369 }
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 function readFeed(res, term) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
372 if (term) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
373 var result = term.read();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
374 res.writeHead(200, { "Content-Type": "text/plain" });
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
375 if (result == null)
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
376 resultstr = "";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
377 else
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
378 resultstr = result.toString("hex");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
379 if (result == null && !term.alive) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
380 /* Child has terminated and data is flushed. */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
381 res.write("q1\n\n");
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 else
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
384 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
385 res.end();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
386 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
387 else {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
388 //console.log("Where's the term?");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
389 sendError(res, 1, null);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
390 }
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
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
393 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
394 "Login failed", "Already playing", "Game launch failed" ];
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 function sendError(res, ecode, msg) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
397 res.writeHead(200, { "Content-Type": "text/plain" });
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
398 if (ecode < errorcodes.length && ecode > 0) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
399 var emsg = errorcodes[ecode];
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
400 if (msg)
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
401 emsg += ": " + msg;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
402 res.write("E" + ecode + '\n' + emsg + '\n');
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
403 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
404 else
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
405 res.write("E0\nGeneric Error\n");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
406 res.end();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
407 }
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 function handler(req, res) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
410 /* default headers for the response */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
411 var resheaders = {'Content-Type': 'text/html'};
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
412 /* 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
413 var reqbody = "";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
414 var formdata;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
415
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
416 /* Register a listener to get the body. */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
417 function moredata(chunk) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
418 reqbody += chunk;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
419 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
420 req.on('data', moredata);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
421
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
422 /* 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
423 function respond() {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
424 formdata = getFormValues(reqbody);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
425 var target = url.parse(req.url).pathname;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
426 var cterm = findTermSession(formdata);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
427 /* 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
428 if (req.method == 'POST') {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
429 if (target == '/feed') {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
430 if (!cterm) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
431 sendError(res, 1, null);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
432 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
433 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
434 if ("quit" in formdata) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
435 /* The client wants to terminate the process. */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
436 logout(cterm, res);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
437 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
438 else if (formdata["keys"]) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
439 /* process the keys */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
440 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
441 if (hexstr.length % 2 != 0) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
442 sendError(res, 2, "incomplete byte");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
443 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
444 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
445 keybuf = new Buffer(hexstr, "hex");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
446 cterm.write(keybuf);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
447 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
448 readFeed(res, cterm);
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 else if (target == "/login") {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
451 login(req, res, formdata);
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 else {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
454 res.writeHead(405, resheaders);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
455 res.end();
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
456 }
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 if (req.method == 'GET' || req.method == 'HEAD') {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
459 if (target == '/feed') {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
460 if (!cterm) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
461 sendError(res, 1, null);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
462 return;
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 readFeed(res, cterm);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
465 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
466 /* Default page, create a new term */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
467 /* 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
468 else if (target == '/') {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
469 serveStatic(req, res, "/");
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 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
472 serveStatic(req, res, target);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
473 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
474 else { /* Some other method */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
475 res.writeHead(501, resheaders);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
476 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
477 res.end();
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 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
480 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
481 req.on('end', respond);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
482
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
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
485 process.on("exit", function () {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
486 for (var sessid in sessions) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
487 if (sessions[sessid].alive)
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
488 sessions[sessid].child.kill('SIGHUP');
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 console.log("Quitting...");
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
491 return;
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
492 });
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
493
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
494 /* Initialization STARTS HERE */
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
495 process.env["TERM"] = "xterm-256color";
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
496
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
497 if (process.getuid() != 0) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
498 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
499 process.exit(1);
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 try {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
502 process.chdir(chrootDir);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
503 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
504 catch (err) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
505 console.log("Cannot enter " + chrootDir + " : " + err);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
506 process.exit(1);
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 try {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
509 daemon.chroot(chrootDir);
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 catch (err) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
512 console.log("chroot to " + chrootDir + " failed: " + err);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
513 process.exit(1);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
514 }
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
515 try {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
516 // drop gid first, that requires UID=0
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
517 process.setgid(dropToGID);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
518 process.setuid(dropToUID);
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 catch (err) {
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
521 console.log("Could not drop permissions: " + err);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
522 process.exit(1);
bd412f63ce0d Put this project under version control, finally.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
523 }
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 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
526 console.log('rlgwebd running at http://127.0.0.1:8080/');