primer commit

outlook_utilities.py

@@ -0,0 +1,119 @@
+import msal
+import requests
+import warnings
+import base64
+import os
+from datetime import datetime, timedelta
+from config_loader import CONFIG
+
+warnings.filterwarnings("ignore")
+
+########################################################
+def get_access_token():
+    """
+    Obtiene un token de acceso de Microsoft Graph usando las credenciales
+    configuradas en config.json (Client ID, Client Secret y Tenant ID).
+    """
+    if not CONFIG or not CONFIG.outlook:
+        raise ValueError("La configuración de Outlook no está cargada correctamente.")
+
+    authority = f"https://login.microsoftonline.com/{CONFIG.outlook.tenant_id}"
+    
+    app = msal.ConfidentialClientApplication(
+        CONFIG.outlook.client_id,
+        authority=authority,
+        client_credential=CONFIG.outlook.client_secret,
+        verify=CONFIG.outlook.verify_ssl
+    )
+    
+    scopes = ["https://graph.microsoft.com/.default"]
+    result = app.acquire_token_for_client(scopes=scopes)
+    
+    if "access_token" in result:
+        return result["access_token"]
+    else:
+        error = result.get("error")
+        error_description = result.get("error_description")
+        correlation_id = result.get("correlation_id")
+        raise Exception(f"Error al obtener token: {error} - {error_description} (ID: {correlation_id})")
+
+########################################################
+def send_email(access_token, from_email, to_recipients, subject, html_body, attachment_paths=None):
+    """
+    Envía un correo electrónico con cuerpo HTML y múltiples adjuntos PDF.
+    
+    :param access_token: Token de acceso de Microsoft Graph API.
+    :param from_email: Correo electrónico del remitente (cuenta de Office 365).
+    :param to_recipients: Lista de correos electrónicos de los destinatarios.
+    :param subject: Asunto del correo.
+    :param html_body: Contenido del correo en formato HTML.
+    :param attachment_paths: Lista de rutas a los archivos PDF que se adjuntarán.
+    :return: True si se envió correctamente, False en caso contrario.
+    """
+    url = f"https://graph.microsoft.com/v1.0/users/{from_email}/sendMail"
+    headers = {
+        'Authorization': f'Bearer {access_token}',
+        'Content-Type': 'application/json'
+    }
+    
+    # Configuración de SSL desde CONFIG
+    outlook_config = CONFIG.outlook
+    verify = outlook_config.verify_ssl if outlook_config.ca_bundle is None else outlook_config.ca_bundle
+
+    # Construir lista de destinatarios para Graph API
+    recipients_payload = []
+    for email in to_recipients:
+        recipients_payload.append({
+            "emailAddress": {
+                "address": email
+            }
+        })
+
+    # Construir lista de adjuntos
+    attachments_payload = []
+    if attachment_paths:
+        for path in attachment_paths:
+            if os.path.exists(path):
+                with open(path, "rb") as f:
+                    content_bytes = f.read()
+                
+                # Codificar el contenido en Base64
+                encoded_content = base64.b64encode(content_bytes).decode('utf-8')
+                filename = os.path.basename(path)
+                
+                attachments_payload.append({
+                    "@odata.type": "#microsoft.graph.fileAttachment",
+                    "name": filename,
+                    "contentType": "application/pdf",
+                    "contentBytes": encoded_content
+                })
+            else:
+                print(f"Advertencia: El archivo no existe y no se adjuntará: {path}")
+
+    # Estructura del mensaje para la API
+    email_data = {
+        "message": {
+            "subject": subject,
+            "body": {
+                "contentType": "HTML",
+                "content": html_body
+            },
+            "toRecipients": recipients_payload,
+            "attachments": attachments_payload
+        },
+        "saveToSentItems": "true"
+    }
+
+    try:
+        response = requests.post(url, headers=headers, json=email_data, verify=verify)
+        if response.status_code == 202:
+            print(f"SUCCESS: Correo enviado exitosamente a: {', '.join(to_recipients)}")
+            return True
+        else:
+            print(f"ERROR: Al enviar correo: {response.status_code} - {response.text}")
+            return False
+    except Exception as e:
+        print(f"ERROR: Excepcion al enviar correo: {e}")
+        return False
+
+########################################################