fpaste: encrypt by default, add file path shortcut

Change encryption from opt-in (-e) to opt-out (-E/--no-encrypt).
Add argument preprocessing to auto-insert "create" command when
file path is detected, allowing `fpaste file.txt` shortcut.

fpaste

@@ -216,9 +216,11 @@ def cmd_create(args, config):
     if not content:
         die("empty content")
 
-    # Encrypt content if requested
+    # Encrypt by default (unless --no-encrypt)
     encryption_key = None
-    if args.encrypt:
+    if not getattr(args, "no_encrypt", False):
+        if not HAS_CRYPTO:
+            die("encryption requires 'cryptography' package (use -E to disable)")
         if not args.quiet:
             print("encrypting...", end="", file=sys.stderr)
         content, encryption_key = encrypt_content(content)
@@ -720,21 +722,40 @@ def main():
     # Pre-process arguments: if first positional looks like a file, insert "create"
     args_to_parse = sys.argv[1:]
     commands = {"create", "c", "new", "get", "g", "delete", "d", "rm", "info", "i", "cert", "pki"}
+    top_level_opts = {"-s", "--server", "-h", "--help"}
+
+    # Find insertion point for "create" command
+    insert_pos = 0
+    has_command = False
+    file_pos = -1
 
-    # Find first non-option argument
     i = 0
     while i < len(args_to_parse):
         arg = args_to_parse[i]
         if arg in ("-s", "--server"):
-            i += 2  # Skip -s and its value
+            insert_pos = i + 2  # After -s value
+            i += 2
+            continue
+        if arg in ("-h", "--help"):
+            i += 1
+            insert_pos = i
             continue
         if arg.startswith("-"):
+            # Unknown option - might be for create subcommand
             i += 1
             continue
-        # Found first positional - check if it's a command or a file
-        if arg not in commands and is_file_path(arg):
-            args_to_parse.insert(i, "create")
-        break
+        # Found positional argument
+        if arg in commands:
+            has_command = True
+            break
+        elif is_file_path(arg):
+            file_pos = i
+            break
+        i += 1
+
+    # Insert "create" before file path if no command found
+    if not has_command and file_pos >= 0:
+        args_to_parse.insert(insert_pos, "create")
 
     parser = argparse.ArgumentParser(
         prog="fpaste",
@@ -751,7 +772,7 @@ def main():
     # create
     p_create = subparsers.add_parser("create", aliases=["c", "new"], help="create paste")
     p_create.add_argument("file", nargs="?", help="file to upload (- for stdin)")
-    p_create.add_argument("-e", "--encrypt", action="store_true", help="encrypt content")
+    p_create.add_argument("-E", "--no-encrypt", action="store_true", help="disable encryption")
     p_create.add_argument("-b", "--burn", action="store_true", help="burn after read")
     p_create.add_argument("-x", "--expiry", type=int, metavar="SEC", help="expiry in seconds")
     p_create.add_argument("-p", "--password", metavar="PASS", help="password protect")
@@ -835,7 +856,7 @@ def main():
         if not sys.stdin.isatty():
             args.command = "create"
             args.file = None
-            args.encrypt = False
+            args.no_encrypt = False  # Encrypt by default
             args.burn = False
             args.expiry = None
             args.password = None