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fix: escape markdown special characters in /ls command #9

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fix: escape markdown special characters in /ls command #9

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18 changes: 15 additions & 3 deletions src/bot/handlers/callback.py
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Original file line number Diff line number Diff line change
Expand Up @@ -613,15 +613,18 @@ async def _handle_ls_action(query, context: ContextTypes.DEFAULT_TYPE) -> None:
if item.name.startswith("."):
continue

# Escape markdown special characters in filenames
safe_name = _escape_markdown(item.name)

if item.is_dir():
directories.append(f"📁 {item.name}/")
directories.append(f"📁 {safe_name}/")
else:
try:
size = item.stat().st_size
size_str = _format_file_size(size)
files.append(f"📄 {item.name} ({size_str})")
files.append(f"📄 {safe_name} ({size_str})")
except OSError:
files.append(f"📄 {item.name}")
files.append(f"📄 {safe_name}")

items = directories + files
relative_path = current_dir.relative_to(settings.approved_directory)
Expand Down Expand Up @@ -1151,3 +1154,12 @@ def _format_file_size(size: int) -> str:
return f"{size:.1f}{unit}" if unit != "B" else f"{size}B"
size /= 1024
return f"{size:.1f}TB"


def _escape_markdown(text: str) -> str:
"""Escape special markdown characters in text for Telegram."""
# Escape characters that have special meaning in Telegram Markdown
special_chars = ['_', '*', '[', ']', '(', ')', '~', '`', '>', '#', '+', '-', '=', '|', '{', '}', '.', '!']
for char in special_chars:
text = text.replace(char, f'\\{char}')
return text
18 changes: 15 additions & 3 deletions src/bot/handlers/command.py
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Original file line number Diff line number Diff line change
Expand Up @@ -314,16 +314,19 @@ async def list_files(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None
if item.name.startswith("."):
continue

# Escape markdown special characters in filenames
safe_name = _escape_markdown(item.name)

if item.is_dir():
directories.append(f"📁 {item.name}/")
directories.append(f"📁 {safe_name}/")
else:
# Get file size
try:
size = item.stat().st_size
size_str = _format_file_size(size)
files.append(f"📄 {item.name} ({size_str})")
files.append(f"📄 {safe_name} ({size_str})")
except OSError:
files.append(f"📄 {item.name}")
files.append(f"📄 {safe_name}")

# Combine directories first, then files
items = directories + files
Expand Down Expand Up @@ -927,3 +930,12 @@ def _format_file_size(size: int) -> str:
return f"{size:.1f}{unit}" if unit != "B" else f"{size}B"
size /= 1024
return f"{size:.1f}TB"


def _escape_markdown(text: str) -> str:
"""Escape special markdown characters in text for Telegram."""
# Escape characters that have special meaning in Telegram Markdown
special_chars = ['_', '*', '[', ']', '(', ')', '~', '`', '>', '#', '+', '-', '=', '|', '{', '}', '.', '!']
for char in special_chars:
text = text.replace(char, f'\\{char}')
return text