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<!DOCTYPE html>
<html lang="en">
<head>
<title>Examples | ldapjs</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel="stylesheet" type="text/css" href="media/css/style.css">
<link rel="stylesheet" type="text/css" href="media/css/highlight.css">
</head>
<body>
<div id="header">
<h1>Examples | ldapjs Documentation</h1>
</div>
<div id="sidebar">
<div>Sections</div>
<span>
<ul>
<li><div><a href="index.html">Home</a></div></li>
<li><div><a href="guide.html">Guide</a></div></li>
<li><div><a href="examples.html">Examples</a></div></li>
<li><div><a href="client.html">Client API</a></div></li>
<li><div><a href="server.html">Server API</a></div></li>
<li><div><a href="dn.html">DN API</a></div></li>
<li><div><a href="filters.html">Filters API</a></div></li>
<li><div><a href="errors.html">Error API</a></div></li>
</ul>
</span>
<div>Contents</div>
</span>
<ul>
<li>
<div>
<a href="#in-memory-server">In-memory server</a>
</div>
</li>
<li>
<div>
<a href="#etcpasswd-server">/etc/passwd server</a>
</div>
</li>
<li>
<div>
<a href="#address-book">Address Book</a>
</div>
</li>
<li>
<div>
<a href="#multi-threaded-server">Multi-threaded Server</a>
</div>
</li>
</ul>
</div>
<div id="content">
<h1 id="ldapjs-examples">ldapjs Examples</h1>
<div class="intro">
<p>This page contains a (hopefully) growing list of sample code to get you started
with ldapjs.</p>
</div>
<h1 id="in-memory-server">In-memory server</h1>
<pre><code class="language-js"><span class="hljs-keyword">const</span> ldap = <span class="hljs-built_in">require</span>(<span class="hljs-string">'ldapjs'</span>);
<span class="hljs-comment">///--- Shared handlers</span>
<span class="hljs-keyword">function</span> <span class="hljs-title function_">authorize</span>(<span class="hljs-params">req, res, next</span>) {
<span class="hljs-comment">/* Any user may search after bind, only cn=root has full power */</span>
<span class="hljs-keyword">const</span> isSearch = (req <span class="hljs-keyword">instanceof</span> ldap.<span class="hljs-property">SearchRequest</span>);
<span class="hljs-keyword">if</span> (!req.<span class="hljs-property">connection</span>.<span class="hljs-property">ldap</span>.<span class="hljs-property">bindDN</span>.<span class="hljs-title function_">equals</span>(<span class="hljs-string">'cn=root'</span>) && !isSearch)
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">InsufficientAccessRightsError</span>());
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>();
}
<span class="hljs-comment">///--- Globals</span>
<span class="hljs-keyword">const</span> <span class="hljs-variable constant_">SUFFIX</span> = <span class="hljs-string">'o=joyent'</span>;
<span class="hljs-keyword">const</span> db = {};
<span class="hljs-keyword">const</span> server = ldap.<span class="hljs-title function_">createServer</span>();
server.<span class="hljs-title function_">bind</span>(<span class="hljs-string">'cn=root'</span>, <span class="hljs-function">(<span class="hljs-params">req, res, next</span>) =></span> {
<span class="hljs-keyword">if</span> (req.<span class="hljs-property">dn</span>.<span class="hljs-title function_">toString</span>() !== <span class="hljs-string">'cn=root'</span> || req.<span class="hljs-property">credentials</span> !== <span class="hljs-string">'secret'</span>)
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">InvalidCredentialsError</span>());
res.<span class="hljs-title function_">end</span>();
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>();
});
server.<span class="hljs-title function_">add</span>(<span class="hljs-variable constant_">SUFFIX</span>, authorize, <span class="hljs-function">(<span class="hljs-params">req, res, next</span>) =></span> {
<span class="hljs-keyword">const</span> dn = req.<span class="hljs-property">dn</span>.<span class="hljs-title function_">toString</span>();
<span class="hljs-keyword">if</span> (db[dn])
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">EntryAlreadyExistsError</span>(dn));
db[dn] = req.<span class="hljs-title function_">toObject</span>().<span class="hljs-property">attributes</span>;
res.<span class="hljs-title function_">end</span>();
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>();
});
server.<span class="hljs-title function_">bind</span>(<span class="hljs-variable constant_">SUFFIX</span>, <span class="hljs-function">(<span class="hljs-params">req, res, next</span>) =></span> {
<span class="hljs-keyword">const</span> dn = req.<span class="hljs-property">dn</span>.<span class="hljs-title function_">toString</span>();
<span class="hljs-keyword">if</span> (!db[dn])
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">NoSuchObjectError</span>(dn));
<span class="hljs-keyword">if</span> (!db[dn].<span class="hljs-property">userpassword</span>)
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">NoSuchAttributeError</span>(<span class="hljs-string">'userPassword'</span>));
<span class="hljs-keyword">if</span> (db[dn].<span class="hljs-property">userpassword</span>.<span class="hljs-title function_">indexOf</span>(req.<span class="hljs-property">credentials</span>) === -<span class="hljs-number">1</span>)
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">InvalidCredentialsError</span>());
res.<span class="hljs-title function_">end</span>();
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>();
});
server.<span class="hljs-title function_">compare</span>(<span class="hljs-variable constant_">SUFFIX</span>, authorize, <span class="hljs-function">(<span class="hljs-params">req, res, next</span>) =></span> {
<span class="hljs-keyword">const</span> dn = req.<span class="hljs-property">dn</span>.<span class="hljs-title function_">toString</span>();
<span class="hljs-keyword">if</span> (!db[dn])
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">NoSuchObjectError</span>(dn));
<span class="hljs-keyword">if</span> (!db[dn][req.<span class="hljs-property">attribute</span>])
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">NoSuchAttributeError</span>(req.<span class="hljs-property">attribute</span>));
<span class="hljs-keyword">const</span> matches = <span class="hljs-literal">false</span>;
<span class="hljs-keyword">const</span> vals = db[dn][req.<span class="hljs-property">attribute</span>];
<span class="hljs-keyword">for</span> (<span class="hljs-keyword">const</span> value <span class="hljs-keyword">of</span> vals) {
<span class="hljs-keyword">if</span> (value === req.<span class="hljs-property">value</span>) {
matches = <span class="hljs-literal">true</span>;
<span class="hljs-keyword">break</span>;
}
}
res.<span class="hljs-title function_">end</span>(matches);
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>();
});
server.<span class="hljs-title function_">del</span>(<span class="hljs-variable constant_">SUFFIX</span>, authorize, <span class="hljs-function">(<span class="hljs-params">req, res, next</span>) =></span> {
<span class="hljs-keyword">const</span> dn = req.<span class="hljs-property">dn</span>.<span class="hljs-title function_">toString</span>();
<span class="hljs-keyword">if</span> (!db[dn])
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">NoSuchObjectError</span>(dn));
<span class="hljs-keyword">delete</span> db[dn];
res.<span class="hljs-title function_">end</span>();
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>();
});
server.<span class="hljs-title function_">modify</span>(<span class="hljs-variable constant_">SUFFIX</span>, authorize, <span class="hljs-function">(<span class="hljs-params">req, res, next</span>) =></span> {
<span class="hljs-keyword">const</span> dn = req.<span class="hljs-property">dn</span>.<span class="hljs-title function_">toString</span>();
<span class="hljs-keyword">if</span> (!req.<span class="hljs-property">changes</span>.<span class="hljs-property">length</span>)
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">ProtocolError</span>(<span class="hljs-string">'changes required'</span>));
<span class="hljs-keyword">if</span> (!db[dn])
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">NoSuchObjectError</span>(dn));
<span class="hljs-keyword">const</span> entry = db[dn];
<span class="hljs-keyword">for</span> (<span class="hljs-keyword">const</span> change <span class="hljs-keyword">of</span> req.<span class="hljs-property">changes</span>) {
mod = change.<span class="hljs-property">modification</span>;
<span class="hljs-keyword">switch</span> (change.<span class="hljs-property">operation</span>) {
<span class="hljs-keyword">case</span> <span class="hljs-string">'replace'</span>:
<span class="hljs-keyword">if</span> (!entry[mod.<span class="hljs-property">type</span>])
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">NoSuchAttributeError</span>(mod.<span class="hljs-property">type</span>));
<span class="hljs-keyword">if</span> (!mod.<span class="hljs-property">vals</span> || !mod.<span class="hljs-property">vals</span>.<span class="hljs-property">length</span>) {
<span class="hljs-keyword">delete</span> entry[mod.<span class="hljs-property">type</span>];
} <span class="hljs-keyword">else</span> {
entry[mod.<span class="hljs-property">type</span>] = mod.<span class="hljs-property">vals</span>;
}
<span class="hljs-keyword">break</span>;
<span class="hljs-keyword">case</span> <span class="hljs-string">'add'</span>:
<span class="hljs-keyword">if</span> (!entry[mod.<span class="hljs-property">type</span>]) {
entry[mod.<span class="hljs-property">type</span>] = mod.<span class="hljs-property">vals</span>;
} <span class="hljs-keyword">else</span> {
<span class="hljs-keyword">for</span> (<span class="hljs-keyword">const</span> v <span class="hljs-keyword">of</span> mod.<span class="hljs-property">vals</span>) {
<span class="hljs-keyword">if</span> (entry[mod.<span class="hljs-property">type</span>].<span class="hljs-title function_">indexOf</span>(v) === -<span class="hljs-number">1</span>)
entry[mod.<span class="hljs-property">type</span>].<span class="hljs-title function_">push</span>(v);
}
}
<span class="hljs-keyword">break</span>;
<span class="hljs-keyword">case</span> <span class="hljs-string">'delete'</span>:
<span class="hljs-keyword">if</span> (!entry[mod.<span class="hljs-property">type</span>])
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">NoSuchAttributeError</span>(mod.<span class="hljs-property">type</span>));
<span class="hljs-keyword">delete</span> entry[mod.<span class="hljs-property">type</span>];
<span class="hljs-keyword">break</span>;
}
}
res.<span class="hljs-title function_">end</span>();
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>();
});
server.<span class="hljs-title function_">search</span>(<span class="hljs-variable constant_">SUFFIX</span>, authorize, <span class="hljs-function">(<span class="hljs-params">req, res, next</span>) =></span> {
<span class="hljs-keyword">const</span> dn = req.<span class="hljs-property">dn</span>.<span class="hljs-title function_">toString</span>();
<span class="hljs-keyword">if</span> (!db[dn])
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">NoSuchObjectError</span>(dn));
<span class="hljs-keyword">let</span> scopeCheck;
<span class="hljs-keyword">switch</span> (req.<span class="hljs-property">scope</span>) {
<span class="hljs-keyword">case</span> <span class="hljs-string">'base'</span>:
<span class="hljs-keyword">if</span> (req.<span class="hljs-property">filter</span>.<span class="hljs-title function_">matches</span>(db[dn])) {
res.<span class="hljs-title function_">send</span>({
<span class="hljs-attr">dn</span>: dn,
<span class="hljs-attr">attributes</span>: db[dn]
});
}
res.<span class="hljs-title function_">end</span>();
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>();
<span class="hljs-keyword">case</span> <span class="hljs-string">'one'</span>:
scopeCheck = <span class="hljs-function">(<span class="hljs-params">k</span>) =></span> {
<span class="hljs-keyword">if</span> (req.<span class="hljs-property">dn</span>.<span class="hljs-title function_">equals</span>(k))
<span class="hljs-keyword">return</span> <span class="hljs-literal">true</span>;
<span class="hljs-keyword">const</span> parent = ldap.<span class="hljs-title function_">parseDN</span>(k).<span class="hljs-title function_">parent</span>();
<span class="hljs-keyword">return</span> (parent ? parent.<span class="hljs-title function_">equals</span>(req.<span class="hljs-property">dn</span>) : <span class="hljs-literal">false</span>);
};
<span class="hljs-keyword">break</span>;
<span class="hljs-keyword">case</span> <span class="hljs-string">'sub'</span>:
scopeCheck = <span class="hljs-function">(<span class="hljs-params">k</span>) =></span> {
<span class="hljs-keyword">return</span> (req.<span class="hljs-property">dn</span>.<span class="hljs-title function_">equals</span>(k) || req.<span class="hljs-property">dn</span>.<span class="hljs-title function_">parentOf</span>(k));
};
<span class="hljs-keyword">break</span>;
}
<span class="hljs-keyword">const</span> keys = <span class="hljs-title class_">Object</span>.<span class="hljs-title function_">keys</span>(db);
<span class="hljs-keyword">for</span> (<span class="hljs-keyword">const</span> key <span class="hljs-keyword">of</span> keys) {
<span class="hljs-keyword">if</span> (!<span class="hljs-title function_">scopeCheck</span>(key))
<span class="hljs-keyword">return</span>;
<span class="hljs-keyword">if</span> (req.<span class="hljs-property">filter</span>.<span class="hljs-title function_">matches</span>(db[key])) {
res.<span class="hljs-title function_">send</span>({
<span class="hljs-attr">dn</span>: key,
<span class="hljs-attr">attributes</span>: db[key]
});
}
}
res.<span class="hljs-title function_">end</span>();
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>();
});
<span class="hljs-comment">///--- Fire it up</span>
server.<span class="hljs-title function_">listen</span>(<span class="hljs-number">1389</span>, <span class="hljs-function">() =></span> {
<span class="hljs-variable language_">console</span>.<span class="hljs-title function_">log</span>(<span class="hljs-string">'LDAP server up at: %s'</span>, server.<span class="hljs-property">url</span>);
});
</code></pre>
<h1 id="etcpasswd-server">/etc/passwd server</h1>
<pre><code class="language-js"><span class="hljs-keyword">const</span> fs = <span class="hljs-built_in">require</span>(<span class="hljs-string">'fs'</span>);
<span class="hljs-keyword">const</span> ldap = <span class="hljs-built_in">require</span>(<span class="hljs-string">'ldapjs'</span>);
<span class="hljs-keyword">const</span> { spawn } = <span class="hljs-built_in">require</span>(<span class="hljs-string">'child_process'</span>);
<span class="hljs-comment">///--- Shared handlers</span>
<span class="hljs-keyword">function</span> <span class="hljs-title function_">authorize</span>(<span class="hljs-params">req, res, next</span>) {
<span class="hljs-keyword">if</span> (!req.<span class="hljs-property">connection</span>.<span class="hljs-property">ldap</span>.<span class="hljs-property">bindDN</span>.<span class="hljs-title function_">equals</span>(<span class="hljs-string">'cn=root'</span>))
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">InsufficientAccessRightsError</span>());
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>();
}
<span class="hljs-keyword">function</span> <span class="hljs-title function_">loadPasswdFile</span>(<span class="hljs-params">req, res, next</span>) {
fs.<span class="hljs-title function_">readFile</span>(<span class="hljs-string">'/etc/passwd'</span>, <span class="hljs-string">'utf8'</span>, <span class="hljs-function">(<span class="hljs-params">err, data</span>) =></span> {
<span class="hljs-keyword">if</span> (err)
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">OperationsError</span>(err.<span class="hljs-property">message</span>));
req.<span class="hljs-property">users</span> = {};
<span class="hljs-keyword">const</span> lines = data.<span class="hljs-title function_">split</span>(<span class="hljs-string">'\n'</span>);
<span class="hljs-keyword">for</span> (<span class="hljs-keyword">const</span> line <span class="hljs-keyword">of</span> lines) {
<span class="hljs-keyword">if</span> (!line || <span class="hljs-regexp">/^#/</span>.<span class="hljs-title function_">test</span>(line))
<span class="hljs-keyword">continue</span>;
<span class="hljs-keyword">const</span> record = line.<span class="hljs-title function_">split</span>(<span class="hljs-string">':'</span>);
<span class="hljs-keyword">if</span> (!record || !record.<span class="hljs-property">length</span>)
<span class="hljs-keyword">continue</span>;
req.<span class="hljs-property">users</span>[record[<span class="hljs-number">0</span>]] = {
<span class="hljs-attr">dn</span>: <span class="hljs-string">'cn='</span> + record[<span class="hljs-number">0</span>] + <span class="hljs-string">', ou=users, o=myhost'</span>,
<span class="hljs-attr">attributes</span>: {
<span class="hljs-attr">cn</span>: record[<span class="hljs-number">0</span>],
<span class="hljs-attr">uid</span>: record[<span class="hljs-number">2</span>],
<span class="hljs-attr">gid</span>: record[<span class="hljs-number">3</span>],
<span class="hljs-attr">description</span>: record[<span class="hljs-number">4</span>],
<span class="hljs-attr">homedirectory</span>: record[<span class="hljs-number">5</span>],
<span class="hljs-attr">shell</span>: record[<span class="hljs-number">6</span>] || <span class="hljs-string">''</span>,
<span class="hljs-attr">objectclass</span>: <span class="hljs-string">'unixUser'</span>
}
};
}
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>();
});
}
<span class="hljs-keyword">const</span> pre = [authorize, loadPasswdFile];
<span class="hljs-comment">///--- Mainline</span>
<span class="hljs-keyword">const</span> server = ldap.<span class="hljs-title function_">createServer</span>();
server.<span class="hljs-title function_">bind</span>(<span class="hljs-string">'cn=root'</span>, <span class="hljs-function">(<span class="hljs-params">req, res, next</span>) =></span> {
<span class="hljs-keyword">if</span> (req.<span class="hljs-property">dn</span>.<span class="hljs-title function_">toString</span>() !== <span class="hljs-string">'cn=root'</span> || req.<span class="hljs-property">credentials</span> !== <span class="hljs-string">'secret'</span>)
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">InvalidCredentialsError</span>());
res.<span class="hljs-title function_">end</span>();
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>();
});
server.<span class="hljs-title function_">add</span>(<span class="hljs-string">'ou=users, o=myhost'</span>, pre, <span class="hljs-function">(<span class="hljs-params">req, res, next</span>) =></span> {
<span class="hljs-keyword">if</span> (!req.<span class="hljs-property">dn</span>.<span class="hljs-property">rdns</span>[<span class="hljs-number">0</span>].<span class="hljs-property">cn</span>)
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">ConstraintViolationError</span>(<span class="hljs-string">'cn required'</span>));
<span class="hljs-keyword">if</span> (req.<span class="hljs-property">users</span>[req.<span class="hljs-property">dn</span>.<span class="hljs-property">rdns</span>[<span class="hljs-number">0</span>].<span class="hljs-property">cn</span>])
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">EntryAlreadyExistsError</span>(req.<span class="hljs-property">dn</span>.<span class="hljs-title function_">toString</span>()));
<span class="hljs-keyword">const</span> entry = req.<span class="hljs-title function_">toObject</span>().<span class="hljs-property">attributes</span>;
<span class="hljs-keyword">if</span> (entry.<span class="hljs-property">objectclass</span>.<span class="hljs-title function_">indexOf</span>(<span class="hljs-string">'unixUser'</span>) === -<span class="hljs-number">1</span>)
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">ConstraintViolationError</span>(<span class="hljs-string">'entry must be a unixUser'</span>));
<span class="hljs-keyword">const</span> opts = [<span class="hljs-string">'-m'</span>];
<span class="hljs-keyword">if</span> (entry.<span class="hljs-property">description</span>) {
opts.<span class="hljs-title function_">push</span>(<span class="hljs-string">'-c'</span>);
opts.<span class="hljs-title function_">push</span>(entry.<span class="hljs-property">description</span>[<span class="hljs-number">0</span>]);
}
<span class="hljs-keyword">if</span> (entry.<span class="hljs-property">homedirectory</span>) {
opts.<span class="hljs-title function_">push</span>(<span class="hljs-string">'-d'</span>);
opts.<span class="hljs-title function_">push</span>(entry.<span class="hljs-property">homedirectory</span>[<span class="hljs-number">0</span>]);
}
<span class="hljs-keyword">if</span> (entry.<span class="hljs-property">gid</span>) {
opts.<span class="hljs-title function_">push</span>(<span class="hljs-string">'-g'</span>);
opts.<span class="hljs-title function_">push</span>(entry.<span class="hljs-property">gid</span>[<span class="hljs-number">0</span>]);
}
<span class="hljs-keyword">if</span> (entry.<span class="hljs-property">shell</span>) {
opts.<span class="hljs-title function_">push</span>(<span class="hljs-string">'-s'</span>);
opts.<span class="hljs-title function_">push</span>(entry.<span class="hljs-property">shell</span>[<span class="hljs-number">0</span>]);
}
<span class="hljs-keyword">if</span> (entry.<span class="hljs-property">uid</span>) {
opts.<span class="hljs-title function_">push</span>(<span class="hljs-string">'-u'</span>);
opts.<span class="hljs-title function_">push</span>(entry.<span class="hljs-property">uid</span>[<span class="hljs-number">0</span>]);
}
opts.<span class="hljs-title function_">push</span>(entry.<span class="hljs-property">cn</span>[<span class="hljs-number">0</span>]);
<span class="hljs-keyword">const</span> useradd = <span class="hljs-title function_">spawn</span>(<span class="hljs-string">'useradd'</span>, opts);
<span class="hljs-keyword">const</span> messages = [];
useradd.<span class="hljs-property">stdout</span>.<span class="hljs-title function_">on</span>(<span class="hljs-string">'data'</span>, <span class="hljs-function">(<span class="hljs-params">data</span>) =></span> {
messages.<span class="hljs-title function_">push</span>(data.<span class="hljs-title function_">toString</span>());
});
useradd.<span class="hljs-property">stderr</span>.<span class="hljs-title function_">on</span>(<span class="hljs-string">'data'</span>, <span class="hljs-function">(<span class="hljs-params">data</span>) =></span> {
messages.<span class="hljs-title function_">push</span>(data.<span class="hljs-title function_">toString</span>());
});
useradd.<span class="hljs-title function_">on</span>(<span class="hljs-string">'exit'</span>, <span class="hljs-function">(<span class="hljs-params">code</span>) =></span> {
<span class="hljs-keyword">if</span> (code !== <span class="hljs-number">0</span>) {
<span class="hljs-keyword">let</span> msg = <span class="hljs-string">''</span> + code;
<span class="hljs-keyword">if</span> (messages.<span class="hljs-property">length</span>)
msg += <span class="hljs-string">': '</span> + messages.<span class="hljs-title function_">join</span>();
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">OperationsError</span>(msg));
}
res.<span class="hljs-title function_">end</span>();
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>();
});
});
server.<span class="hljs-title function_">modify</span>(<span class="hljs-string">'ou=users, o=myhost'</span>, pre, <span class="hljs-function">(<span class="hljs-params">req, res, next</span>) =></span> {
<span class="hljs-keyword">if</span> (!req.<span class="hljs-property">dn</span>.<span class="hljs-property">rdns</span>[<span class="hljs-number">0</span>].<span class="hljs-property">cn</span> || !req.<span class="hljs-property">users</span>[req.<span class="hljs-property">dn</span>.<span class="hljs-property">rdns</span>[<span class="hljs-number">0</span>].<span class="hljs-property">cn</span>])
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">NoSuchObjectError</span>(req.<span class="hljs-property">dn</span>.<span class="hljs-title function_">toString</span>()));
<span class="hljs-keyword">if</span> (!req.<span class="hljs-property">changes</span>.<span class="hljs-property">length</span>)
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">ProtocolError</span>(<span class="hljs-string">'changes required'</span>));
<span class="hljs-keyword">const</span> user = req.<span class="hljs-property">users</span>[req.<span class="hljs-property">dn</span>.<span class="hljs-property">rdns</span>[<span class="hljs-number">0</span>].<span class="hljs-property">cn</span>].<span class="hljs-property">attributes</span>;
<span class="hljs-keyword">let</span> mod;
<span class="hljs-keyword">for</span> (<span class="hljs-keyword">const</span> change <span class="hljs-keyword">of</span> req.<span class="hljs-property">changes</span>) {
mod = change.<span class="hljs-property">modification</span>;
<span class="hljs-keyword">switch</span> (change.<span class="hljs-property">operation</span>) {
<span class="hljs-keyword">case</span> <span class="hljs-string">'replace'</span>:
<span class="hljs-keyword">if</span> (mod.<span class="hljs-property">type</span> !== <span class="hljs-string">'userpassword'</span> || !mod.<span class="hljs-property">vals</span> || !mod.<span class="hljs-property">vals</span>.<span class="hljs-property">length</span>)
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">UnwillingToPerformError</span>(<span class="hljs-string">'only password updates '</span> +
<span class="hljs-string">'allowed'</span>));
<span class="hljs-keyword">break</span>;
<span class="hljs-keyword">case</span> <span class="hljs-string">'add'</span>:
<span class="hljs-keyword">case</span> <span class="hljs-string">'delete'</span>:
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">UnwillingToPerformError</span>(<span class="hljs-string">'only replace allowed'</span>));
}
}
<span class="hljs-keyword">const</span> passwd = <span class="hljs-title function_">spawn</span>(<span class="hljs-string">'chpasswd'</span>, [<span class="hljs-string">'-c'</span>, <span class="hljs-string">'MD5'</span>]);
passwd.<span class="hljs-property">stdin</span>.<span class="hljs-title function_">end</span>(user.<span class="hljs-property">cn</span> + <span class="hljs-string">':'</span> + mod.<span class="hljs-property">vals</span>[<span class="hljs-number">0</span>], <span class="hljs-string">'utf8'</span>);
passwd.<span class="hljs-title function_">on</span>(<span class="hljs-string">'exit'</span>, <span class="hljs-function">(<span class="hljs-params">code</span>) =></span> {
<span class="hljs-keyword">if</span> (code !== <span class="hljs-number">0</span>)
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">OperationsError</span>(<span class="hljs-string">''</span> + code));
res.<span class="hljs-title function_">end</span>();
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>();
});
});
server.<span class="hljs-title function_">del</span>(<span class="hljs-string">'ou=users, o=myhost'</span>, pre, <span class="hljs-function">(<span class="hljs-params">req, res, next</span>) =></span> {
<span class="hljs-keyword">if</span> (!req.<span class="hljs-property">dn</span>.<span class="hljs-property">rdns</span>[<span class="hljs-number">0</span>].<span class="hljs-property">cn</span> || !req.<span class="hljs-property">users</span>[req.<span class="hljs-property">dn</span>.<span class="hljs-property">rdns</span>[<span class="hljs-number">0</span>].<span class="hljs-property">cn</span>])
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">NoSuchObjectError</span>(req.<span class="hljs-property">dn</span>.<span class="hljs-title function_">toString</span>()));
<span class="hljs-keyword">const</span> userdel = <span class="hljs-title function_">spawn</span>(<span class="hljs-string">'userdel'</span>, [<span class="hljs-string">'-f'</span>, req.<span class="hljs-property">dn</span>.<span class="hljs-property">rdns</span>[<span class="hljs-number">0</span>].<span class="hljs-property">cn</span>]);
<span class="hljs-keyword">const</span> messages = [];
userdel.<span class="hljs-property">stdout</span>.<span class="hljs-title function_">on</span>(<span class="hljs-string">'data'</span>, <span class="hljs-function">(<span class="hljs-params">data</span>) =></span> {
messages.<span class="hljs-title function_">push</span>(data.<span class="hljs-title function_">toString</span>());
});
userdel.<span class="hljs-property">stderr</span>.<span class="hljs-title function_">on</span>(<span class="hljs-string">'data'</span>, <span class="hljs-function">(<span class="hljs-params">data</span>) =></span> {
messages.<span class="hljs-title function_">push</span>(data.<span class="hljs-title function_">toString</span>());
});
userdel.<span class="hljs-title function_">on</span>(<span class="hljs-string">'exit'</span>, <span class="hljs-function">(<span class="hljs-params">code</span>) =></span> {
<span class="hljs-keyword">if</span> (code !== <span class="hljs-number">0</span>) {
<span class="hljs-keyword">let</span> msg = <span class="hljs-string">''</span> + code;
<span class="hljs-keyword">if</span> (messages.<span class="hljs-property">length</span>)
msg += <span class="hljs-string">': '</span> + messages.<span class="hljs-title function_">join</span>();
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">OperationsError</span>(msg));
}
res.<span class="hljs-title function_">end</span>();
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>();
});
});
server.<span class="hljs-title function_">search</span>(<span class="hljs-string">'o=myhost'</span>, pre, <span class="hljs-function">(<span class="hljs-params">req, res, next</span>) =></span> {
<span class="hljs-keyword">const</span> keys = <span class="hljs-title class_">Object</span>.<span class="hljs-title function_">keys</span>(req.<span class="hljs-property">users</span>);
<span class="hljs-keyword">for</span> (<span class="hljs-keyword">const</span> k <span class="hljs-keyword">of</span> keys) {
<span class="hljs-keyword">if</span> (req.<span class="hljs-property">filter</span>.<span class="hljs-title function_">matches</span>(req.<span class="hljs-property">users</span>[k].<span class="hljs-property">attributes</span>))
res.<span class="hljs-title function_">send</span>(req.<span class="hljs-property">users</span>[k]);
}
res.<span class="hljs-title function_">end</span>();
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>();
});
<span class="hljs-comment">// LDAP "standard" listens on 389, but whatever.</span>
server.<span class="hljs-title function_">listen</span>(<span class="hljs-number">1389</span>, <span class="hljs-string">'127.0.0.1'</span>, <span class="hljs-function">() =></span> {
<span class="hljs-variable language_">console</span>.<span class="hljs-title function_">log</span>(<span class="hljs-string">'/etc/passwd LDAP server up at: %s'</span>, server.<span class="hljs-property">url</span>);
});
</code></pre>
<h1 id="address-book">Address Book</h1>
<p>This example is courtesy of <a href="https://github.com/dresende">Diogo Resende</a> and
illustrates setting up an address book for typical mail clients such as
Thunderbird or Evolution over a MySQL database.</p>
<pre><code class="language-js"><span class="hljs-comment">// MySQL test: (create on database 'abook' with username 'abook' and password 'abook')</span>
<span class="hljs-comment">//</span>
<span class="hljs-comment">// CREATE TABLE IF NOT EXISTS `users` (</span>
<span class="hljs-comment">// `id` int(5) unsigned NOT NULL AUTO_INCREMENT,</span>
<span class="hljs-comment">// `username` varchar(50) NOT NULL,</span>
<span class="hljs-comment">// `password` varchar(50) NOT NULL,</span>
<span class="hljs-comment">// PRIMARY KEY (`id`),</span>
<span class="hljs-comment">// KEY `username` (`username`)</span>
<span class="hljs-comment">// ) ENGINE=InnoDB DEFAULT CHARSET=utf8;</span>
<span class="hljs-comment">// INSERT INTO `users` (`username`, `password`) VALUES</span>
<span class="hljs-comment">// ('demo', 'demo');</span>
<span class="hljs-comment">// CREATE TABLE IF NOT EXISTS `contacts` (</span>
<span class="hljs-comment">// `id` int(5) unsigned NOT NULL AUTO_INCREMENT,</span>
<span class="hljs-comment">// `user_id` int(5) unsigned NOT NULL,</span>
<span class="hljs-comment">// `name` varchar(100) NOT NULL,</span>
<span class="hljs-comment">// `email` varchar(255) NOT NULL,</span>
<span class="hljs-comment">// PRIMARY KEY (`id`),</span>
<span class="hljs-comment">// KEY `user_id` (`user_id`)</span>
<span class="hljs-comment">// ) ENGINE=InnoDB DEFAULT CHARSET=utf8;</span>
<span class="hljs-comment">// INSERT INTO `contacts` (`user_id`, `name`, `email`) VALUES</span>
<span class="hljs-comment">// (1, 'John Doe', 'john.doe@example.com'),</span>
<span class="hljs-comment">// (1, 'Jane Doe', 'jane.doe@example.com');</span>
<span class="hljs-comment">//</span>
<span class="hljs-keyword">const</span> ldap = <span class="hljs-built_in">require</span>(<span class="hljs-string">'ldapjs'</span>);
<span class="hljs-keyword">const</span> mysql = <span class="hljs-built_in">require</span>(<span class="hljs-string">"mysql"</span>);
<span class="hljs-keyword">const</span> server = ldap.<span class="hljs-title function_">createServer</span>();
<span class="hljs-keyword">const</span> addrbooks = {};
<span class="hljs-keyword">const</span> userinfo = {};
<span class="hljs-keyword">const</span> ldap_port = <span class="hljs-number">389</span>;
<span class="hljs-keyword">const</span> basedn = <span class="hljs-string">"dc=example, dc=com"</span>;
<span class="hljs-keyword">const</span> company = <span class="hljs-string">"Example"</span>;
<span class="hljs-keyword">const</span> db = mysql.<span class="hljs-title function_">createClient</span>({
<span class="hljs-attr">user</span>: <span class="hljs-string">"abook"</span>,
<span class="hljs-attr">password</span>: <span class="hljs-string">"abook"</span>,
<span class="hljs-attr">database</span>: <span class="hljs-string">"abook"</span>
});
db.<span class="hljs-title function_">query</span>(<span class="hljs-string">"SELECT c.*,u.username,u.password "</span> +
<span class="hljs-string">"FROM contacts c JOIN users u ON c.user_id=u.id"</span>,
<span class="hljs-function">(<span class="hljs-params">err, contacts</span>) =></span> {
<span class="hljs-keyword">if</span> (err) {
<span class="hljs-variable language_">console</span>.<span class="hljs-title function_">log</span>(<span class="hljs-string">"Error fetching contacts"</span>, err);
process.<span class="hljs-title function_">exit</span>(<span class="hljs-number">1</span>);
}
<span class="hljs-keyword">for</span> (<span class="hljs-keyword">const</span> contact <span class="hljs-keyword">of</span> contacts) {
<span class="hljs-keyword">if</span> (!addrbooks.<span class="hljs-title function_">hasOwnProperty</span>(contact.<span class="hljs-property">username</span>)) {
addrbooks[contact.<span class="hljs-property">username</span>] = [];
userinfo[<span class="hljs-string">"cn="</span> + contact.<span class="hljs-property">username</span> + <span class="hljs-string">", "</span> + basedn] = {
<span class="hljs-attr">abook</span>: addrbooks[contact.<span class="hljs-property">username</span>],
<span class="hljs-attr">pwd</span>: contact.<span class="hljs-property">password</span>
};
}
<span class="hljs-keyword">const</span> p = contact.<span class="hljs-property">name</span>.<span class="hljs-title function_">indexOf</span>(<span class="hljs-string">" "</span>);
<span class="hljs-keyword">if</span> (p != -<span class="hljs-number">1</span>)
contact.<span class="hljs-property">firstname</span> = contact.<span class="hljs-property">name</span>.<span class="hljs-title function_">substr</span>(<span class="hljs-number">0</span>, p);
p = contact.<span class="hljs-property">name</span>.<span class="hljs-title function_">lastIndexOf</span>(<span class="hljs-string">" "</span>);
<span class="hljs-keyword">if</span> (p != -<span class="hljs-number">1</span>)
contact.<span class="hljs-property">surname</span> = contact.<span class="hljs-property">name</span>.<span class="hljs-title function_">substr</span>(p + <span class="hljs-number">1</span>);
addrbooks[contact.<span class="hljs-property">username</span>].<span class="hljs-title function_">push</span>({
<span class="hljs-attr">dn</span>: <span class="hljs-string">"cn="</span> + contact.<span class="hljs-property">name</span> + <span class="hljs-string">", "</span> + basedn,
<span class="hljs-attr">attributes</span>: {
<span class="hljs-attr">objectclass</span>: [ <span class="hljs-string">"top"</span> ],
<span class="hljs-attr">cn</span>: contact.<span class="hljs-property">name</span>,
<span class="hljs-attr">mail</span>: contact.<span class="hljs-property">email</span>,
<span class="hljs-attr">givenname</span>: contact.<span class="hljs-property">firstname</span>,
<span class="hljs-attr">sn</span>: contact.<span class="hljs-property">surname</span>,
<span class="hljs-attr">ou</span>: company
}
});
}
server.<span class="hljs-title function_">bind</span>(basedn, <span class="hljs-function">(<span class="hljs-params">req, res, next</span>) =></span> {
<span class="hljs-keyword">const</span> username = req.<span class="hljs-property">dn</span>.<span class="hljs-title function_">toString</span>();
<span class="hljs-keyword">const</span> password = req.<span class="hljs-property">credentials</span>;
<span class="hljs-keyword">if</span> (!userinfo.<span class="hljs-title function_">hasOwnProperty</span>(username) ||
userinfo[username].<span class="hljs-property">pwd</span> != password) {
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>(<span class="hljs-keyword">new</span> ldap.<span class="hljs-title class_">InvalidCredentialsError</span>());
}
res.<span class="hljs-title function_">end</span>();
<span class="hljs-keyword">return</span> <span class="hljs-title function_">next</span>();
});
server.<span class="hljs-title function_">search</span>(basedn, <span class="hljs-function">(<span class="hljs-params">req, res, next</span>) =></span> {
<span class="hljs-keyword">const</span> binddn = req.<span class="hljs-property">connection</span>.<span class="hljs-property">ldap</span>.<span class="hljs-property">bindDN</span>.<span class="hljs-title function_">toString</span>();
<span class="hljs-keyword">if</span> (userinfo.<span class="hljs-title function_">hasOwnProperty</span>(binddn)) {
<span class="hljs-keyword">for</span> (<span class="hljs-keyword">const</span> abook <span class="hljs-keyword">of</span> userinfo[binddn].<span class="hljs-property">abook</span>) {
<span class="hljs-keyword">if</span> (req.<span class="hljs-property">filter</span>.<span class="hljs-title function_">matches</span>(abook.<span class="hljs-property">attributes</span>))
res.<span class="hljs-title function_">send</span>(abook);
}
}
res.<span class="hljs-title function_">end</span>();
});
server.<span class="hljs-title function_">listen</span>(ldap_port, <span class="hljs-function">() =></span> {
<span class="hljs-variable language_">console</span>.<span class="hljs-title function_">log</span>(<span class="hljs-string">"Addressbook started at %s"</span>, server.<span class="hljs-property">url</span>);
});
});
</code></pre>
<p>To test out this example, try:</p>
<pre><code class="language-shell"><span class="hljs-meta prompt_">$ </span><span class="language-bash">ldapsearch -H ldap://localhost:389 -x -D cn=demo,dc=example,dc=com \
-w demo -b <span class="hljs-string">"dc=example,dc=com"</span> objectclass=*</span>
</code></pre>
<h1 id="multi-threaded-server">Multi-threaded Server</h1>
<p>This example demonstrates multi-threading via the <code>cluster</code> module utilizing a <code>net</code> server for initial socket receipt. An alternate example demonstrating use of the <code>connectionRouter</code> <code>serverOptions</code> hook is available in the <code>examples</code> directory.</p>
<pre><code class="language-js"><span class="hljs-keyword">const</span> cluster = <span class="hljs-built_in">require</span>(<span class="hljs-string">'cluster'</span>);
<span class="hljs-keyword">const</span> ldap = <span class="hljs-built_in">require</span>(<span class="hljs-string">'ldapjs'</span>);
<span class="hljs-keyword">const</span> net = <span class="hljs-built_in">require</span>(<span class="hljs-string">'net'</span>);
<span class="hljs-keyword">const</span> os = <span class="hljs-built_in">require</span>(<span class="hljs-string">'os'</span>);
<span class="hljs-keyword">const</span> threads = [];
threads.<span class="hljs-property">getNext</span> = <span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) {
<span class="hljs-keyword">return</span> (<span class="hljs-title class_">Math</span>.<span class="hljs-title function_">floor</span>(<span class="hljs-title class_">Math</span>.<span class="hljs-title function_">random</span>() * <span class="hljs-variable language_">this</span>.<span class="hljs-property">length</span>));
};
<span class="hljs-keyword">const</span> serverOptions = {
<span class="hljs-attr">port</span>: <span class="hljs-number">1389</span>
};
<span class="hljs-keyword">if</span> (cluster.<span class="hljs-property">isMaster</span>) {
<span class="hljs-keyword">const</span> server = net.<span class="hljs-title function_">createServer</span>(serverOptions, <span class="hljs-function">(<span class="hljs-params">socket</span>) =></span> {
socket.<span class="hljs-title function_">pause</span>();
<span class="hljs-variable language_">console</span>.<span class="hljs-title function_">log</span>(<span class="hljs-string">'ldapjs client requesting connection'</span>);
<span class="hljs-keyword">let</span> routeTo = threads.<span class="hljs-title function_">getNext</span>();
threads[routeTo].<span class="hljs-title function_">send</span>({ <span class="hljs-attr">type</span>: <span class="hljs-string">'connection'</span> }, socket);
});
<span class="hljs-keyword">for</span> (<span class="hljs-keyword">let</span> i = <span class="hljs-number">0</span>; i < os.<span class="hljs-title function_">cpus</span>().<span class="hljs-property">length</span>; i++) {
<span class="hljs-keyword">let</span> thread = cluster.<span class="hljs-title function_">fork</span>({
<span class="hljs-string">'id'</span>: i
});
thread.<span class="hljs-property">id</span> = i;
thread.<span class="hljs-title function_">on</span>(<span class="hljs-string">'message'</span>, <span class="hljs-keyword">function</span> (<span class="hljs-params">msg</span>) {
});
threads.<span class="hljs-title function_">push</span>(thread);
}
server.<span class="hljs-title function_">listen</span>(serverOptions.<span class="hljs-property">port</span>, <span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) {
<span class="hljs-variable language_">console</span>.<span class="hljs-title function_">log</span>(<span class="hljs-string">'ldapjs listening at ldap://127.0.0.1:'</span> + serverOptions.<span class="hljs-property">port</span>);
});
} <span class="hljs-keyword">else</span> {
<span class="hljs-keyword">const</span> server = ldap.<span class="hljs-title function_">createServer</span>(serverOptions);
<span class="hljs-keyword">let</span> threadId = process.<span class="hljs-property">env</span>.<span class="hljs-property">id</span>;
process.<span class="hljs-title function_">on</span>(<span class="hljs-string">'message'</span>, <span class="hljs-function">(<span class="hljs-params">msg, socket</span>) =></span> {
<span class="hljs-keyword">switch</span> (msg.<span class="hljs-property">type</span>) {
<span class="hljs-keyword">case</span> <span class="hljs-string">'connection'</span>:
server.<span class="hljs-title function_">newConnection</span>(socket);
socket.<span class="hljs-title function_">resume</span>();
<span class="hljs-variable language_">console</span>.<span class="hljs-title function_">log</span>(<span class="hljs-string">'ldapjs client connection accepted on '</span> + threadId.<span class="hljs-title function_">toString</span>());
}
});
server.<span class="hljs-title function_">search</span>(<span class="hljs-string">'dc=example'</span>, <span class="hljs-keyword">function</span> (<span class="hljs-params">req, res, next</span>) {
<span class="hljs-variable language_">console</span>.<span class="hljs-title function_">log</span>(<span class="hljs-string">'ldapjs search initiated on '</span> + threadId.<span class="hljs-title function_">toString</span>());
<span class="hljs-keyword">var</span> obj = {
<span class="hljs-attr">dn</span>: req.<span class="hljs-property">dn</span>.<span class="hljs-title function_">toString</span>(),
<span class="hljs-attr">attributes</span>: {
<span class="hljs-attr">objectclass</span>: [<span class="hljs-string">'organization'</span>, <span class="hljs-string">'top'</span>],
<span class="hljs-attr">o</span>: <span class="hljs-string">'example'</span>
}
};
<span class="hljs-keyword">if</span> (req.<span class="hljs-property">filter</span>.<span class="hljs-title function_">matches</span>(obj.<span class="hljs-property">attributes</span>))
res.<span class="hljs-title function_">send</span>(obj);
res.<span class="hljs-title function_">end</span>();
});
}
</code></pre>
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