fix '.' and connection per key

app.py

@@ -6,6 +6,8 @@ import scp
 import sys
 import math
 import re
+import tempfile
+import os
 
 
 envs = environ
@@ -42,18 +44,27 @@ def strip_and_parse_envs(p):
         return None
     for c in strips:
         p = p.strip(c)
-    return path.expandvars(p)
+    return path.expandvars(p) if p != "." else f"{path.realpath(p)}/*"
 
 
 def connect(callback=None):
-    with paramiko.SSHClient() as ssh:
-        p_key = paramiko.RSAKey.from_private_key(INPUT_KEY) if INPUT_KEY else None
+    tmp = tempfile.NamedTemporaryFile(delete=False)
+    try:
+        ssh = paramiko.SSHClient()
+        p_key = None
+        if INPUT_KEY:
+            tmp.write(INPUT_KEY.encode())
+            tmp.close()
+            p_key = paramiko.RSAKey.from_private_key_file(filename=tmp.name)
         ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
         ssh.connect(INPUT_HOST, port=INPUT_PORT, username=INPUT_USER,
                     pkey=p_key, password=INPUT_PASS,
                     timeout=convert_to_seconds(INPUT_CONNECT_TIMEOUT))
         if callback:
             callback(ssh)
+    finally:
+        os.unlink(tmp.name)
+        tmp.close()
 
 
 # Define progress callback that prints the current percentage completed for the file