Búsqueda de IP y descarga de Backup

.vscode/launch.json

@@ -9,12 +9,11 @@
       "type": "python",
       "request": "launch",
       "program": "cli.py",
-      "args": ["update-plataform", "update-account","import-cdr"],
+      "args": ["synchronize"],
       "console": "integratedTerminal",
       "justMyCode": true
     },
     {  
-      "name": "API",
       "type": "python",
       "request": "launch",
       "module": "uvicorn",

pbx/utils.py

+from fileinput import filename
 import sys
 from datetime import datetime
 from scapy.all import srp, Ether, ARP, ICMP, IP, sr1, conf, get_if_list
+import paramiko
+import pathlib
+import os
 
 
-def arp_scan(interface : str, range : str = '192.168.2.0/24') -> 'list[str]':
+class NoBackupError(Exception):
+    pass
+
+BACKUP_UPDATER_PBX ='192.168.2.66'
+
+def arp_scan(interface: str, range: str = '192.168.2.0/24') -> 'list[str]':
     """Realiza una búsqueda de las IPs libres en el Rango indicado
 
     Args:
@@ -19,7 +28,8 @@ def arp_scan(interface : str, range : str = '192.168.2.0/24') -> 'list[str]':
     )
     return [ipa.pdst for ipa in unanswered][40:-1]
 
-def ping(address : str, timeout : float = 4) -> bool:
+
+def ping(address: str, timeout: float = 4) -> bool:
     """Realiza una prueba de Ping
 
     Args:
@@ -47,10 +57,92 @@ def obtain_ip_address(interface: str, range: str = '192.168.2.0/24') -> str:
     Returns:
         str: _description_
     """
-    for address in arp_scan(interface,range):
+    for address in arp_scan(interface, range):
         if not ping(address):
             return address
 
-if __name__ == "__main__":
-    print(obtain_ip_address('TP-LINK Gigabit Ethernet USB Adapter'))  
 
+def download_backup(origin_pbx_address: str) -> pathlib.Path:
+    """Descarga una Copia de Seguridad de la Centralita Objetivo
+
+    Args:
+        origin_pbx_address (str): Dirección IP
+
+    Raises:
+        NoBackupError: No se ha encontrado ninguna Backup
+        paramiko.AuthenticationException: Ninguna clave es Válida
+
+    Returns:
+        pathlib.Path: Path del Fichero
+    """
+
+    for password in ('_RW!2k14', 'GereDa_22', '_D@rth#Vader_'):
+        ssh = paramiko.SSHClient()
+        ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+        try:
+            # Búsqueda de Fichero
+            ssh.connect(origin_pbx_address, username='root', password=password)
+            (stdin, stdout, stderr) = ssh.exec_command(
+                'cd /var/www/backup/ && ls -Art *.tar | tail -n 1'
+            )
+            try:
+                file_name = stdout.readlines()[0].strip()
+            except IndexError:
+                raise NoBackupError()
+
+            # Ruta Local
+            local_file_name = 'original_{address}.tar'.format(
+                address=origin_pbx_address.replace('.', ''))
+            localpath = pathlib.Path(pathlib.Path(
+                __file__).parent.resolve(), 'backups', local_file_name)
+            if localpath.exists():
+                os.remove(localpath)
+
+            # Descarga del Fichero
+            sftp = ssh.open_sftp()
+            sftp.get(
+                localpath=localpath,
+                remotepath='/var/www/backup/{filename}'.format(
+                    filename=file_name),
+            )
+
+            # Cierre de las Conexiones
+            sftp.close()
+            ssh.close()
+
+            return localpath if localpath.exists() else None
+
+        except paramiko.AuthenticationException:
+            continue
+
+    raise paramiko.AuthenticationException
+
+
+def update_backup(localpath : pathlib.Path):
+
+    # Conexión Máquina Backup
+    ssh = paramiko.SSHClient()
+    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+    ssh.connect(BACKUP_UPDATER_PBX, username='root', password='_RW!2k14')
+    remotepath = '/var/www/backup/{filename}'.format(filename=localpath.name)
+
+    # Carga de Copia de Seguridad
+    sftp = ssh.open_sftp()
+    sftp.put(
+        localpath=localpath,
+        remotepath=remotepath,
+        confirm=True
+    )
+    sftp.close()
+
+    # Restauración de la Copia de Seguridad
+    (stdin, stdout, stderr) = ssh.exec_command(
+        'php /var/www/html/admin/modules/backup/bin/restore.php --restore {filepath}'.format(
+            filepath=remotepath
+        )
+    )
+
+    ssh.close()
+
+if __name__ == "__main__":
+    print(arp_scan(interface='TP-LINK Gigabit Ethernet USB Adapter'))