Urgent Help Needed: Attachments Uploading as Corrupt Files in Jira

[Andrea34]

Good afternoon, everyone. I hope you're all doing well.

I'm reaching out to urgently request your help with the following issue: I need to ensure that every attachment uploaded to a change request is successfully transferred to Jira. However, my code is currently sending corrupted files to Jira.

I've tried everything, but I can't figure out what’s causing this. Any guidance or suggestions would be greatly appreciated!

Here is my code: 

(function executeRule(current, previous /* null when async */) {
    gs.info("📂 La Business Rule se está ejecutando. Adjunto: " + current.file_name);

    if (current.table_name.toLowerCase() === "change_request") {
        var changeGR = new GlideRecord("change_request");
        if (changeGR.get(current.table_sys_id)) {
            var jiraIssueId = changeGR.getValue("u_id_hu");
            if (jiraIssueId) {
                gs.info("✅ Jira Issue ID encontrado: " + jiraIssueId);
                sendAttachmentToJira(current.table_sys_id, jiraIssueId, "change_request", current.sys_created_on);
            } else {
                gs.warn("⚠️ El campo u_id_hu no tiene valor en la change_request con sys_id: " + current.table_sys_id);
            }
        }
    }
})(current, previous);

function sendAttachmentToJira(sysId, jiraIssueId, tableName, currentCreatedOn) {
    var gsa = new GlideSysAttachment();
    var attachmentGR = new GlideRecord("sys_attachment");
    attachmentGR.addQuery("table_name", tableName);
    attachmentGR.addQuery("table_sys_id", sysId);
    attachmentGR.addQuery("sys_created_on", ">=", currentCreatedOn);
    attachmentGR.query();

    while (attachmentGR.next()) {
        var attachmentSysId = attachmentGR.getUniqueValue();
        var fileName = attachmentGR.file_name;
        var contentType = attachmentGR.content_type || "application/octet-stream"; // Tipo de contenido por defecto
        gs.info("📎 Procesando archivo: " + fileName);

        // Obtener los datos binarios del archivo
        var binData = gsa.getBytes(attachmentGR);
        if (!binData || binData.length === 0) {
            gs.error("🚨 No se pudo obtener los datos binarios para el archivo: " + fileName);
            return;  // Si no hay datos, termina el proceso.
        }

        // Generar un boundary para la solicitud multipart/form-data
        var boundaryValue = "----WebKitFormBoundary" + gs.generateGUID();

        // Crear el cuerpo de la solicitud multipart
        var requestBody = "";
        requestBody += "--" + boundaryValue + "\r\n";
        requestBody += 'Content-Disposition: form-data; name="file"; filename="' + fileName + '"\r\n';
        requestBody += 'Content-Type: ' + contentType + '\r\n';
        requestBody += '\r\n'; // Línea vacía antes de los datos binarios
        requestBody += binData; // Adjuntar los datos binarios del archivo
        requestBody += "\r\n--" + boundaryValue + "--\r\n";  // Cierre del boundary

        // Configurar la solicitud HTTP
        var attachmentRequest = new sn_ws.RESTMessageV2();
        attachmentRequest.setHttpMethod("POST");
        attachmentRequest.setEndpoint("https://instance.atlassian.net/rest/api/3/issue/" + jiraIssueId + "/attachments");

        // Configurar la autenticación
        var base64Auth = GlideStringUtil.base64Encode("user:token");
        attachmentRequest.setRequestHeader("Authorization", "Basic " + base64Auth);
        attachmentRequest.setRequestHeader("X-Atlassian-Token", "no-check");
        attachmentRequest.setRequestHeader("Content-Type", "multipart/form-data; boundary=" + boundaryValue);

        // Establecer el cuerpo de la solicitud con los datos binarios y multipart
        attachmentRequest.setRequestBody(requestBody);

        // Enviar la solicitud a Jira
        try {
            var attachmentResponse = attachmentRequest.execute();
            var status = attachmentResponse.getStatusCode();
            var responseBody = attachmentResponse.getBody();

            gs.info("📥 Respuesta de Jira recibida: Código " + status);

            if (status == 200 || status == 201) {
                gs.info("✅ Archivo '" + fileName + "' subido exitosamente a Jira issue ID: " + jiraIssueId);
            } else {
                gs.warn("⚠️ No se pudo subir el archivo. Status: " + status + ", Respuesta: " + responseBody);
            }
        } catch (ex) {
            gs.error("❌ Error al subir el archivo a Jira: " + ex.message);
        }
    }
}

Thank you in advance.