[dspace-tech] API dspace

[Χρήστος]

Hey i have create a php file that run on local machine with dspace 

code: 

<?php

// DSpace API endpoint for creating new items
define('DSpace_API_URL', 
'http://your-dspace-domain.com/dspace-spring-rest/api/submission/items');

// DSpace authentication credentials
define('USERNAME', 'dspacedemo+ad...@gmail.com');
define('PASSWORD', 'dspace');

// CSRF token endpoint
define('CSRF_TOKEN_URL', 
'http://your-dspace-domain.com/dspace-spring-rest/csrf');

function loginAndGetCSRFToken() {
    // Initialize cURL session
    $ch = curl_init();

    // Set the URL for the login endpoint
    curl_setopt($ch, CURLOPT_URL, 
'https://{dspace-server.url}/server/api/authn/login');

    // Set the request method to POST
    curl_setopt($ch, CURLOPT_POST, 1);

    // Set the request data
    curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query(array(
        'user' => USERNAME,
        'password' => PASSWORD
    )));

    // Set options to receive the response
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

    // Execute the request
    $response = curl_exec($ch);

    // Close the cURL session
    curl_close($ch);

    // Check if the request was successful
    if ($response === false) {
        // Handle cURL error
        return "Error: cURL error: " . curl_error($ch);
    } else {
        // Parse the JSON response
        $response_data = json_decode($response, true);

        // Check if the token was retrieved successfully
        if (isset($response_data['token'])) {
            return $response_data['token'];
        } else {
            // Handle invalid response
            return "Error: Invalid response: " . $response;
        }
    }
}

function uploadPublication($metadata, $file, $csrf_token) {
    $ch = curl_init();

    curl_setopt($ch, CURLOPT_URL, DSpace_API_URL);
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, buildFormData($metadata, $file));
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, array(
        'Content-Type: multipart/form-data',
        'DSPACE-XSRF-TOKEN: ' . $csrf_token,
    ));
    curl_setopt($ch, CURLOPT_COOKIE, 'DSPACE-XSRF-COOKIE={xsrf-cookie}');

    $response = curl_exec($ch);
    $status_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);

    curl_close($ch);

    if ($status_code == 201) {
        $response_data = json_decode($response, true);
        return $response_data['handle'];
    } else {
        return "Error: $status_code - $response";
    }
}

function buildFormData($metadata, $file) {
    $formData = array();

    // Add metadata fields
    foreach ($metadata as $key => $value) {
        if (is_array($value)) {
            foreach ($value as $index => $item) {
                $formData["metadata[$key][$index][value]"] = $item;
            }
        } else {
            $formData["metadata[$key][0][value]"] = $value;
        }
    }

    // Add file
    $formData['file'] = new CURLFile($file['tmp_name'], $file['type'], 
$file['name']);

    return $formData;
}

// Example metadata for a publication with multiple authors
$metadata = array(
    "dc.title" => "Sample Publication Title",
    "dc.contributor.author" => array("John Doe", "Jane Smith", "Bob 
Johnson"),
    "dc.date.issued" => "2024-04-24",
    "dc.publisher" => "Sample Publisher",
    // Add more metadata fields as needed
);

// Example file upload (replace with your file details)
$file = $_FILES['file'];

// Login and retrieve CSRF token
$csrf_token = loginAndGetCSRFToken();

// Upload the publication
$result = uploadPublication($metadata, $file, $csrf_token);
echo $result;

?>

With this, when i run the code i have 403 error CSFR Invalid i can't 
understand what problem is. 

Did anyone have impliment connection with the rest?

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