XMPP服务器, BOSH(Http-Binding)和WEB客户端搭建
2012-01-10 16:03
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目标: 搭建一个XMPP服务器, 实现在web page上用javascript与自己XMPP服务器通信, 匿名登录并与任何一个XMPP(Jabber)帐户通信. (Gtalk目前尚有问题)
XMPP服务器可能不是必须的(见下文, 我没有尝试)
环境与配置:
XMPP服务器: ejabberd 文档
HTTP-Binding: 使用ejabberd搭建, 5280端口.
Javascript Client: Strophe 文档
yum install ejabberd
#apt-get
install ejabberd
编辑配置文件: /etc/ejabberd/ejabberd.cfg, 这是个era lang格式配置文件, 行注释符号是%. 请参考ejabberd文档.
下面是默认配置文件里我修改过部分:
上面配置中, 声明监听127.0.0.1(本地IP地址) 5280端口为http-binding (BOSH)服务地址, 路径是"http-bind", 即服务实际URI是"http://127.0.0.1:5280/http-bind". 然后需要在web服务器配置中用mod_proxy或mod_rewrite将80或443端口上对 "/http-bind" 访问转发到"http://127.0.0.1:5280/http-bind", 因为由于浏览器同源限制, yourdomain.com:80上的web
page是无法直接向yourdomain.tld:5280提交ajax请求的. ( 所以在上面配置中把ejabberd http-bind监听的端口设为了127.0.0.1:5280, 即不能从外部直接访问)
这一步是必须的, 否则搭建的XMPP服务器基本上无法与大多数其它服务器或客户端通信. (插一句: Google Apps Talk基于XMPP平台, 如果不设置域名SRV记录的话,
就只能够用Gtalk登录(无法使用其它XMPP客户端), 而且只能和gmail.com或其它Google Apps域名的帐户通信)
_xmpp-client._tcp.sagan.me. 86400 IN SRV 10 0 5222 sagan.me.
_xmpp-server._tcp.sagan.me. 86400 IN SRV 10 0 5269 sagan.me.
5269和5222是XMPP在ICANN注册的标准端口.
我的Lighttpd ModProxy配置:
应该也可以用web服务器直接转发请求到外部某个公开的Jabber (XMPP)服务器 http-bind地址, 我没有尝试. (基本上找不到公开的提供http-bind的XMPP服务器)
上面ejabberd配置里开启了匿名登录(ANOYMOUS mechanism), 最终目的就是为了在web page中匿名访问服务并向任何一个XMPP帐户发送消息.
下载Strophe JS库并上传到你的域名目录下(这个库只有一个文件strophe.js), 下面这个测试例子修改自Strophe examples目录下echobot.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Strophe.js Echobot Example</title>
<script type='text/javascript'
src='http://ajax.googleapis.com/ajax/libs/jquery/1.2.6/jquery.min.js'></script>
<script type='text/javascript'
src='../strophe.js'></script>
<script type='text/javascript'
src='echobot.js'></script>
</head>
<body>
<div id='login' style='text-align: center'>
<form name='cred'>
<label for='jid'>JID:</label>
<input type='text' id='jid' value="sagan.me" />
<label for='pass'>Password:</label>
<input type='password' id='pass' />
<input type='button' id='connect' value='connect' />
</form>
</div>
<hr />
<div id='log'></div>
</body>
</html>
看echobot.js
var BOSH_SERVICE
= '/xmpp-httpbind';
var connection
= null;
function log(msg)
{
$('#log').append('<div></div>').append(document.createTextNode(msg));
}
function onConnect(status)
{
if (status ==
Strophe.Status.CONNECTING) {
log('Strophe
is connecting.');
} else if (status ==
Strophe.Status.CONNFAIL) {
log('Strophe
failed to connect.');
$('#connect').get(0).value = 'connect';
} else if (status ==
Strophe.Status.DISCONNECTING) {
log('Strophe
is disconnecting.');
} else if (status ==
Strophe.Status.DISCONNECTED) {
log('Strophe
is disconnected.');
$('#connect').get(0).value = 'connect';
} else if (status ==
Strophe.Status.CONNECTED) {
log('Strophe
is connected.');
log('ECHOBOT:
Send a message to ' + connection.jid +
'
to talk to me.');
connection.addHandler(onMessage, null, 'message', null, null,
null);
connection.send($pres().tree());
var reply
= $msg({to: "ono@oogami.name",
from: connection.jid,
type: 'chat'}).c("body").t("Test
Chat Message");
connection.send(reply.tree());
}
}
function onMessage(msg) {
var to
= msg.getAttribute('to');
var from
= msg.getAttribute('from');
var type
= msg.getAttribute('type');
var elems
= msg.getElementsByTagName('body');
if (type
== "chat" && elems.length > 0) {
var body
= elems[0];
log('ECHOBOT:
I got a message from ' + from + ':
' +
Strophe.getText(body));
var reply
= $msg({to:
from, from: to, type: 'chat'})
.cnode(Strophe.copyElement(body));
connection.send(reply.tree());
log('ECHOBOT:
I sent ' + from + ':
' + Strophe.getText(body));
}
//
we must return true to keep the handler alive.
//
returning false would remove it after it finishes.
return true;
}
$(document).ready(function () {
connection = new Strophe.Connection(BOSH_SERVICE);
//
Uncomment the following lines to spy on the wire traffic.
//connection.rawInput
= function (data) { log('RECV: ' + data); };
//connection.rawOutput
= function (data) { log('SEND: ' + data); };
//
Uncomment the following line to see all the debug output.
//Strophe.log
= function (level, msg) { log('LOG: ' + msg); };
$('#connect').bind('click', function () {
var button
= $('#connect').get(0);
if (button.value == 'connect') {
button.value = 'disconnect';
connection.connect($('#jid').get(0).value,
$('#pass').get(0).value,
onConnect);
} else {
button.value = 'connect';
connection.disconnect();
}
});
});
将ono@oogami.name修改为一个测试Jabber帐号. 然后用浏览器打开echobot.html, 点击Connect按钮, Strophe就会匿名登录到刚刚建立的ejabber服务器( sagan.me ), 并向 "ono@oogami.name"这个帐号发送一条"Test Message"的信息.
另: 测试匿名登录向somebody@gtalk.com 发送消息失败, log里显示Gtalk服务器返回信息是503 error, Service-Unavailable, 但如果正常登录并添加Gtalk为好友的话则可以. Gtalk禁止了匿名用户向其发送消息? 我还在查资料中.
我准备用Javascript写一个简单的XMPP WEB匿名客户端, 实现允许访客直接与Gtalk和Facebook Chat通信等功能.
XMPP服务器可能不是必须的(见下文, 我没有尝试)
环境与配置:
XMPP服务器: ejabberd 文档
HTTP-Binding: 使用ejabberd搭建, 5280端口.
Javascript Client: Strophe 文档
安装Ejabberd
yum install ejabberd#apt-get
install ejabberd
编辑配置文件: /etc/ejabberd/ejabberd.cfg, 这是个era lang格式配置文件, 行注释符号是%. 请参考ejabberd文档.
下面是默认配置文件里我修改过部分:
%%debug
{loglevel, 5}.
{hosts, ["sagan.me"]}.
{host_config, "sagan.me", [{auth_method, [anonymous,internal]},{anonymous_protocol, sasl_anon}]}.
{listen,
[
{5222, ejabberd_c2s, [
{certfile, "/path/to/ssl/cert.pem"},
%%starttls,
starttls_required,
{access, c2s},
{shaper, c2s_shaper},
{max_stanza_size, 65536}
]},
{5269, ejabberd_s2s_in, [
{shaper, s2s_shaper},
{max_stanza_size, 131072}
]},
{{5280, "127.0.0.1"}, ejabberd_http, [
{request_handlers, [{["http-bind"], mod_http_bind}]},
captcha
]}
]}.
{s2s_use_starttls, true}.
{s2s_certfile, "/path/to/ssl/cert.pem"}.
{s2s_default_policy, allow}.
{auth_method, [internal, anonymous]}.上面配置中, 声明监听127.0.0.1(本地IP地址) 5280端口为http-binding (BOSH)服务地址, 路径是"http-bind", 即服务实际URI是"http://127.0.0.1:5280/http-bind". 然后需要在web服务器配置中用mod_proxy或mod_rewrite将80或443端口上对 "/http-bind" 访问转发到"http://127.0.0.1:5280/http-bind", 因为由于浏览器同源限制, yourdomain.com:80上的web
page是无法直接向yourdomain.tld:5280提交ajax请求的. ( 所以在上面配置中把ejabberd http-bind监听的端口设为了127.0.0.1:5280, 即不能从外部直接访问)
添加域名DNS SRV记录
这一步是必须的, 否则搭建的XMPP服务器基本上无法与大多数其它服务器或客户端通信. (插一句: Google Apps Talk基于XMPP平台, 如果不设置域名SRV记录的话,就只能够用Gtalk登录(无法使用其它XMPP客户端), 而且只能和gmail.com或其它Google Apps域名的帐户通信)
_xmpp-client._tcp.sagan.me. 86400 IN SRV 10 0 5222 sagan.me.
_xmpp-server._tcp.sagan.me. 86400 IN SRV 10 0 5269 sagan.me.
5269和5222是XMPP在ICANN注册的标准端口.
修改WEB服务器配置
我的Lighttpd ModProxy配置:proxy.server = ( "/http-bind" => ( ( "host" => "127.0.0.1", "port" => 5280 ) ) )
应该也可以用web服务器直接转发请求到外部某个公开的Jabber (XMPP)服务器 http-bind地址, 我没有尝试. (基本上找不到公开的提供http-bind的XMPP服务器)
使用Javascript客户端
上面ejabberd配置里开启了匿名登录(ANOYMOUS mechanism), 最终目的就是为了在web page中匿名访问服务并向任何一个XMPP帐户发送消息.下载Strophe JS库并上传到你的域名目录下(这个库只有一个文件strophe.js), 下面这个测试例子修改自Strophe examples目录下echobot.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Strophe.js Echobot Example</title>
<script type='text/javascript'
src='http://ajax.googleapis.com/ajax/libs/jquery/1.2.6/jquery.min.js'></script>
<script type='text/javascript'
src='../strophe.js'></script>
<script type='text/javascript'
src='echobot.js'></script>
</head>
<body>
<div id='login' style='text-align: center'>
<form name='cred'>
<label for='jid'>JID:</label>
<input type='text' id='jid' value="sagan.me" />
<label for='pass'>Password:</label>
<input type='password' id='pass' />
<input type='button' id='connect' value='connect' />
</form>
</div>
<hr />
<div id='log'></div>
</body>
</html>
看echobot.js
var BOSH_SERVICE
= '/xmpp-httpbind';
var connection
= null;
function log(msg)
{
$('#log').append('<div></div>').append(document.createTextNode(msg));
}
function onConnect(status)
{
if (status ==
Strophe.Status.CONNECTING) {
log('Strophe
is connecting.');
} else if (status ==
Strophe.Status.CONNFAIL) {
log('Strophe
failed to connect.');
$('#connect').get(0).value = 'connect';
} else if (status ==
Strophe.Status.DISCONNECTING) {
log('Strophe
is disconnecting.');
} else if (status ==
Strophe.Status.DISCONNECTED) {
log('Strophe
is disconnected.');
$('#connect').get(0).value = 'connect';
} else if (status ==
Strophe.Status.CONNECTED) {
log('Strophe
is connected.');
log('ECHOBOT:
Send a message to ' + connection.jid +
'
to talk to me.');
connection.addHandler(onMessage, null, 'message', null, null,
null);
connection.send($pres().tree());
var reply
= $msg({to: "ono@oogami.name",
from: connection.jid,
type: 'chat'}).c("body").t("Test
Chat Message");
connection.send(reply.tree());
}
}
function onMessage(msg) {
var to
= msg.getAttribute('to');
var from
= msg.getAttribute('from');
var type
= msg.getAttribute('type');
var elems
= msg.getElementsByTagName('body');
if (type
== "chat" && elems.length > 0) {
var body
= elems[0];
log('ECHOBOT:
I got a message from ' + from + ':
' +
Strophe.getText(body));
var reply
= $msg({to:
from, from: to, type: 'chat'})
.cnode(Strophe.copyElement(body));
connection.send(reply.tree());
log('ECHOBOT:
I sent ' + from + ':
' + Strophe.getText(body));
}
//
we must return true to keep the handler alive.
//
returning false would remove it after it finishes.
return true;
}
$(document).ready(function () {
connection = new Strophe.Connection(BOSH_SERVICE);
//
Uncomment the following lines to spy on the wire traffic.
//connection.rawInput
= function (data) { log('RECV: ' + data); };
//connection.rawOutput
= function (data) { log('SEND: ' + data); };
//
Uncomment the following line to see all the debug output.
//Strophe.log
= function (level, msg) { log('LOG: ' + msg); };
$('#connect').bind('click', function () {
var button
= $('#connect').get(0);
if (button.value == 'connect') {
button.value = 'disconnect';
connection.connect($('#jid').get(0).value,
$('#pass').get(0).value,
onConnect);
} else {
button.value = 'connect';
connection.disconnect();
}
});
});
将ono@oogami.name修改为一个测试Jabber帐号. 然后用浏览器打开echobot.html, 点击Connect按钮, Strophe就会匿名登录到刚刚建立的ejabber服务器( sagan.me ), 并向 "ono@oogami.name"这个帐号发送一条"Test Message"的信息.
另: 测试匿名登录向somebody@gtalk.com 发送消息失败, log里显示Gtalk服务器返回信息是503 error, Service-Unavailable, 但如果正常登录并添加Gtalk为好友的话则可以. Gtalk禁止了匿名用户向其发送消息? 我还在查资料中.
我准备用Javascript写一个简单的XMPP WEB匿名客户端, 实现允许访客直接与Gtalk和Facebook Chat通信等功能.
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