RLGWebD: webtty.js annotate

annotate webtty.js @ 85:4303d94d87a2

rlgwebd.js: Unlink control socket at startup. Unlinking at shutdown doesn't work because at that time, the process is chroot'ed and unprivileged.

author	John "Elwin" Edwards <elwin@sdf.org>
date	Sun, 08 Jul 2012 17:49:43 -0700
parents	e4773ac5d4d5
children	ad4229cf8321

rev	line source
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1 #!/usr/bin/env node
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	2 var http = require('http');
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	3 var url = require('url');
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	4 var path = require('path');
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	5 var fs = require('fs');
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	6 var child_process = require("child_process");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	7
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	8 var serveStaticRoot = "/home/elwin/hk/nodejs/rlg/s/";
7 d1b3c3af34d6 WebTTY: switch terminal size to 80x25. John "Elwin" Edwards <elwin@sdf.org> parents: 3 diff changeset	9 var ptyhelp = "/home/elwin/hk/nodejs/rlg/ptyhelper";
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	10 var sessions = {};
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	11
2 98bf7c94c954 webtty.js: set up the environment and working directory. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	12 var env_dontuse = {"TMUX": true, "TMUX_PANE": true};
98bf7c94c954 webtty.js: set up the environment and working directory. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	13
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	14 /* Constructor for TermSessions. Note that it opens the terminal and
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	15 * adds itself to the sessions dict.
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	16 */
9 826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	17 function TermSession(sessid, h, w) {
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	18 /* Set up the sizes. */
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	19 w = Math.floor(Number(w));
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	20 if (!(w > 0 && w < 256))
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	21 w = 80;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	22 this.w = w;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	23 h = Math.floor(Number(h));
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	24 if (!(h > 0 && h < 256))
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	25 h = 25;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	26 this.h = h;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	27 /* Customize the environment. */
2 98bf7c94c954 webtty.js: set up the environment and working directory. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	28 var childenv = {};
98bf7c94c954 webtty.js: set up the environment and working directory. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	29 for (var key in process.env) {
98bf7c94c954 webtty.js: set up the environment and working directory. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	30 if (!(key in env_dontuse))
98bf7c94c954 webtty.js: set up the environment and working directory. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	31 childenv[key] = process.env[key];
98bf7c94c954 webtty.js: set up the environment and working directory. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	32 }
9 826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	33 childenv["PTYHELPER"] = String(this.h) + "x" + String(this.w);
2 98bf7c94c954 webtty.js: set up the environment and working directory. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	34 // Should setsid get set?
98bf7c94c954 webtty.js: set up the environment and working directory. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	35 var spawnopts = {"env": childenv, "cwd": process.env["HOME"]};
98bf7c94c954 webtty.js: set up the environment and working directory. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	36 this.child = child_process.spawn(ptyhelp, ["bash"], spawnopts);
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	37 var ss = this;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	38 /* Eventually we'll need to make sure the sessid isn't in use yet. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	39 this.sessid = sessid;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	40 this.alive = true;
15 7466927c17a5 webtty.js: check message order. John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	41 this.data = []; // Buffer for the process' output.
7466927c17a5 webtty.js: check message order. John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	42 this.nsend = 0; // Number to use for the next message sent.
7466927c17a5 webtty.js: check message order. John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	43 this.nrecv = 0; // Number expected on the next message received.
7466927c17a5 webtty.js: check message order. John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	44 this.msgQ = []; // Queue for messages that arrived out of order.
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	45 this.child.stdout.on("data", function (buf) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	46 ss.data.push(buf);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	47 });
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	48 this.child.stderr.on("data", function (buf) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	49 ss.data.push(buf);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	50 });
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	51 this.child.on("exit", function (code, signal) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	52 ss.exitcode = (code != null ? code : 255);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	53 ss.alive = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	54 /* Wait for all the data to get collected */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	55 setTimeout(ss.cleanup, 1000);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	56 });
15 7466927c17a5 webtty.js: check message order. John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	57 this.write = function (data, n) {
7466927c17a5 webtty.js: check message order. John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	58 if (!this.alive) {
7466927c17a5 webtty.js: check message order. John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	59 /* Throw some kind of exception? */
7466927c17a5 webtty.js: check message order. John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	60 return;
7466927c17a5 webtty.js: check message order. John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	61 }
7466927c17a5 webtty.js: check message order. John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	62 if (n !== this.nrecv) {
7466927c17a5 webtty.js: check message order. John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	63 console.log("Session " + this.sessid + ": Expected message " + this.nrecv + ", got " + n);
7466927c17a5 webtty.js: check message order. John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	64 }
7466927c17a5 webtty.js: check message order. John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	65 this.nrecv = n + 1;
7466927c17a5 webtty.js: check message order. John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	66 this.child.stdin.write(data);
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	67 };
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	68 this.read = function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	69 if (this.data.length == 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	70 return null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	71 var pos = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	72 var i = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	73 for (i = 0; i < this.data.length; i++)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	74 pos += this.data[i].length;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	75 var nbuf = new Buffer(pos);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	76 var tptr;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	77 pos = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	78 while (this.data.length > 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	79 tptr = this.data.shift();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	80 tptr.copy(nbuf, pos);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	81 pos += tptr.length;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	82 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	83 return nbuf;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	84 };
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	85 this.close = function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	86 if (this.alive)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	87 this.child.kill('SIGHUP');
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	88 };
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	89 this.cleanup = function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	90 /* Call this when the child is dead. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	91 if (this.alive)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	92 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	93 /* Give the client a chance to read any leftover data. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	94 if (ss.data.length > 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	95 setTimeout(ss.remove, 8000);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	96 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	97 ss.remove();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	98 };
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	99 this.remove = function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	100 delete sessions[ss.sessid];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	101 console.log("Session " + this.sessid + " removed.");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	102 };
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	103 sessions[sessid] = this;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	104 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	105
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	106 function randkey() {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	107 rnum = Math.floor(Math.random() * 65536 * 65536);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	108 hexstr = rnum.toString(16);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	109 while (hexstr.length < 8)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	110 hexstr = "0" + hexstr;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	111 return hexstr;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	112 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	113
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	114 /* Returns a list of the cookies in the request, obviously. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	115 function getCookies(req) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	116 cookies = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	117 if ("cookie" in req.headers) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	118 cookstrs = req.headers["cookie"].split("; ");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	119 for (var i = 0; i < cookstrs.length; i++) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	120 eqsign = cookstrs[i].indexOf("=");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	121 if (eqsign > 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	122 name = cookstrs[i].slice(0, eqsign).toLowerCase();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	123 val = cookstrs[i].slice(eqsign + 1);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	124 cookies[name] = val;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	125 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	126 else if (eqsign < 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	127 cookies[cookstrs[i]] = null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	128 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	129 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	130 return cookies;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	131 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	132
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	133 function urlDec(encstr) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	134 var decstr = "";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	135 var tnum;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	136 for (var i = 0; i < encstr.length; i++)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	137 {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	138 if (encstr.charAt(i) == "+")
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	139 decstr += " ";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	140 else if (encstr.charAt(i) == "%")
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	141 {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	142 tnum = Number("0x" + encstr.slice(i + 1, 2));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	143 if (!isNaN(tnum) && tnum >= 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	144 decstr += String.fromCharCode(tnum);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	145 i += 2;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	146 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	147 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	148 decstr += encstr.charAt(i);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	149 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	150 return decstr;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	151 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	152
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	153 /* Returns the contents of a form */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	154 function getFormValues(formtext) {
13 bf7c26d0b66d webtty: switch upward protocol to JSON John "Elwin" Edwards <elwin@sdf.org> parents: 11 diff changeset	155 var jsonobj;
bf7c26d0b66d webtty: switch upward protocol to JSON John "Elwin" Edwards <elwin@sdf.org> parents: 11 diff changeset	156 try {
bf7c26d0b66d webtty: switch upward protocol to JSON John "Elwin" Edwards <elwin@sdf.org> parents: 11 diff changeset	157 jsonobj = JSON.parse(formtext);
bf7c26d0b66d webtty: switch upward protocol to JSON John "Elwin" Edwards <elwin@sdf.org> parents: 11 diff changeset	158 } catch (e) {
bf7c26d0b66d webtty: switch upward protocol to JSON John "Elwin" Edwards <elwin@sdf.org> parents: 11 diff changeset	159 if (e instanceof SyntaxError)
bf7c26d0b66d webtty: switch upward protocol to JSON John "Elwin" Edwards <elwin@sdf.org> parents: 11 diff changeset	160 return null;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	161 }
13 bf7c26d0b66d webtty: switch upward protocol to JSON John "Elwin" Edwards <elwin@sdf.org> parents: 11 diff changeset	162 return jsonobj;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	163 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	164
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	165 function login(req, res, formdata) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	166 var resheaders = {'Content-Type': 'text/plain'};
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	167 var sessid = randkey();
9 826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	168 /* The TermSession constructor will check these thoroughly too, but
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	169 * you can't be too suspicious of client-supplied data. */
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	170 var w = 80;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	171 var h = 25;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	172 var t;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	173 if ("w" in formdata) {
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	174 t = Math.floor(Number(formdata["w"]));
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	175 if (t > 0 && t < 256)
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	176 w = t;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	177 }
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	178 if ("h" in formdata) {
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	179 t = Math.floor(Number(formdata["h"]));
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	180 if (t > 0 && t < 256)
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	181 h = t;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	182 }
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	183 var nsession = new TermSession(sessid, h, w);
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	184 resheaders["Set-Cookie"] = "ID=" + sessid;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	185 res.writeHead(200, resheaders);
10 d051aad3e95f webtty: begin experimenting with JSON protocol. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	186 var logindict = {"login": true, "id": sessid, "w": w, "h": h};
d051aad3e95f webtty: begin experimenting with JSON protocol. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	187 res.write(JSON.stringify(logindict));
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	188 res.end();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	189 console.log("Started new session with key " + sessid + ", pid " + nsession.child.pid);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	190 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	191 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	192
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	193 function findTermSession(req) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	194 var cookies = getCookies(req);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	195 if ("id" in cookies) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	196 var sessid = cookies["id"];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	197 if (sessid in sessions) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	198 return sessions[sessid];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	199 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	200 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	201 return null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	202 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	203
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	204 function serveStatic(req, res, fname) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	205 var nname = path.normalize(fname);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	206 if (nname == "" \|\| nname == "/")
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	207 nname = "index.html";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	208 if (nname.match(/\/$/))
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	209 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	210 var realname = path.join(serveStaticRoot, nname);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	211 var extension = path.extname(realname);
81 e4773ac5d4d5 Switch to node v0.8. John "Elwin" Edwards <elwin@sdf.org> parents: 15 diff changeset	212 fs.exists(realname, function (exists) {
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	213 var resheaders = {};
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	214 if (!exists \|\| !extension \|\| extension == ".html")
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	215 resheaders["Content-Type"] = "text/html";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	216 else if (extension == ".png")
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	217 resheaders["Content-Type"] = "image/png";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	218 else if (extension == ".css")
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	219 resheaders["Content-Type"] = "text/css";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	220 else if (extension == ".js")
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	221 resheaders["Content-Type"] = "text/javascript";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	222 else if (extension == ".svg")
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	223 resheaders["Content-Type"] = "image/svg+xml";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	224 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	225 resheaders["Content-Type"] = "application/octet-stream";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	226 if (exists) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	227 /* Not nice, not sensible. First see if it's readable, then respond
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	228 * 200 or 500. Don't throw nasty errors. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	229 res.writeHead(200, resheaders);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	230 fs.readFile(realname, function (error, data) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	231 if (error) throw error;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	232 res.write(data);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	233 res.end();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	234 });
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	235 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	236 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	237 res.writeHead(404, resheaders);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	238 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	239 res.end();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	240 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	241 });
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	242 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	243 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	244
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	245 function readFeed(res, term) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	246 res.writeHead(200, { "Content-Type": "text/plain" });
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	247 if (term) {
11 481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	248 var answer = {};
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	249 var result = term.read();
11 481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	250 if (result == null) {
481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	251 answer["t"] = "n";
481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	252 }
481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	253 else {
481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	254 answer["t"] = "d";
481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	255 answer["d"] = result.toString("hex");
481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	256 answer["n"] = term.nsend++;
481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	257 }
481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	258 res.write(JSON.stringify(answer));
481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	259 res.end();
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	260 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	261 else {
11 481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	262 sendError(res, 1);
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	263 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	264 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	265
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	266 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	267
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	268 function sendError(res, ecode) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	269 res.writeHead(200, { "Content-Type": "text/plain" });
11 481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	270 if (!(ecode >= 0 && ecode < errorcodes.length))
481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	271 ecode = 0;
481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	272 res.write(JSON.stringify({"t": "E", "c": ecode, "s": errorcodes[ecode]}));
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	273 res.end();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	274 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	275
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	276 function handler(req, res) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	277 /* default headers for the response */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	278 var resheaders = {'Content-Type': 'text/html'};
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	279 /* 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	280 var reqbody = "";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	281 var formdata;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	282
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	283 /* Register a listener to get the body. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	284 function moredata(chunk) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	285 reqbody += chunk;
bd412f63ce0d Put this project under version control, finally. 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 req.on('data', moredata);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	288
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	289 /* 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	290 function respond() {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	291 var target = url.parse(req.url).pathname;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	292 var cterm = findTermSession(req);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	293 /* 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	294 if (req.method == 'POST') {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	295 formdata = getFormValues(reqbody);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	296 if (target == '/feed') {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	297 if (!cterm) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	298 sendError(res, 1);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	299 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	300 }
13 bf7c26d0b66d webtty: switch upward protocol to JSON John "Elwin" Edwards <elwin@sdf.org> parents: 11 diff changeset	301 if (formdata["t"] == "q") {
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	302 /* The client wants to quit. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	303 // FIXME need to send a message back to the client
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	304 cterm.close();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	305 }
13 bf7c26d0b66d webtty: switch upward protocol to JSON John "Elwin" Edwards <elwin@sdf.org> parents: 11 diff changeset	306 else if (formdata["t"] == "d" && typeof(formdata["d"]) == "string") {
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	307 /* process the keys */
13 bf7c26d0b66d webtty: switch upward protocol to JSON John "Elwin" Edwards <elwin@sdf.org> parents: 11 diff changeset	308 hexstr = formdata["d"].replace(/[^0-9a-f]/gi, "");
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	309 if (hexstr.length % 2 != 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	310 sendError(res, 2);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	311 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	312 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	313 keybuf = new Buffer(hexstr, "hex");
15 7466927c17a5 webtty.js: check message order. John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	314 cterm.write(keybuf, formdata["n"]);
0 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 readFeed(res, cterm);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	317 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	318 else if (target == "/login") {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	319 login(req, res, formdata);
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 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	322 res.writeHead(405, resheaders);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	323 res.end();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	324 }
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 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	327 if (target == '/feed') {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	328 if (!cterm) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	329 sendError(res, 1);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	330 return;
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 readFeed(res, cterm);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	333 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	334 /* Default page, create a new term */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	335 /* 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	336 else if (target == '/') {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	337 serveStatic(req, res, "/");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	338 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	339 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	340 serveStatic(req, res, target);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	341 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	342 else { /* Some other method */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	343 res.writeHead(501, resheaders);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	344 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	345 res.end();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	346 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	347 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	348 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	349 req.on('end', respond);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	350
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	351 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	352
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	353 process.on("exit", function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	354 for (var sessid in sessions) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	355 if (sessions[sessid].alive)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	356 sessions[sessid].child.kill('SIGHUP');
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	357 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	358 console.log("Quitting...");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	359 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	360 });
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	361
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	362 process.env["TERM"] = "xterm-256color";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	363 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	364 console.log('Server running at http://127.0.0.1:8080/');