How To Add an Image to an LDAP Record using PHP

To add an image to an LDAP record using PHP, you can follow these steps:

1. Establish a connection to your LDAP server using the PHP LDAP functions. You’ll need to specify the hostname, port, and credentials for the LDAP server.

For example:

$ldapconn = ldap_connect("ldap.example.com", 389) or die("Could not connect to LDAP server.");

ldap_set_option($ldapconn, LDAP_OPT_PROTOCOL_VERSION, 3);

if (ldap_bind($ldapconn, "cn=admin,dc=example,dc=com", "adminpassword")) {
    echo "LDAP bind successful.";
} else {
    echo "LDAP bind failed.";
}

2. Encode the image file to a base64 string. You can use the PHP base64_encode function to do this.

For example:

$image = file_get_contents('path/to/image.jpg');
$image_base64 = base64_encode($image);

3. Create an LDAP entry object and set the image attribute using the base64 string. You can use the PHP LDAP functions to create an LDAP entry object and set the attributes.

For example:

$dn = "cn=John Doe,ou=People,dc=example,dc=com";

$entry = [
    "objectclass" => ["top", "person", "inetOrgPerson"],
    "cn" => "John Doe",
    "sn" => "Doe",
    "jpegPhoto" => $image_base64
];

if (ldap_add($ldapconn, $dn, $entry)) {
    echo "LDAP record added successfully.";
} else {
    echo "LDAP record addition failed.";
}

In this example, we’re setting the “jpegPhoto” attribute to the base64 string of the image file. You can use other attribute names depending on your LDAP schema.

4. Close the LDAP connection using the PHP LDAP functions.

For example:

ldap_close($ldapconn);

This will close the connection to the LDAP server.

Here’s the complete example:

$ldapconn = ldap_connect("ldap.example.com", 389) or die("Could not connect to LDAP server.");

ldap_set_option($ldapconn, LDAP_OPT_PROTOCOL_VERSION, 3);

if (ldap_bind($ldapconn, "cn=admin,dc=example,dc=com", "adminpassword")) {
    $image = file_get_contents('path/to/image.jpg');
    $image_base64 = base64_encode($image);

    $dn = "cn=John Doe,ou=People,dc=example,dc=com";

    $entry = [
        "objectclass" => ["top", "person", "inetOrgPerson"],
        "cn" => "John Doe",
        "sn" => "Doe",
        "jpegPhoto" => $image_base64
    ];

    if (ldap_add($ldapconn, $dn, $entry)) {
        echo "LDAP record added successfully.";
    } else {
        echo "LDAP record addition failed.";
    }

    ldap_close($ldapconn);
} else {
    echo "LDAP bind failed.";
}

Note: In this example, make sure to replace the LDAP server hostname, port, credentials, image file path, and LDAP entry information with your own values.