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Add server-side file size validation to OCR agent to prevent DoS #2

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Add server-side file size validation to OCR agent to prevent DoS #2

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8 changes: 8 additions & 0 deletions Agents/Hunyan_OCR_API_Multilingual_Translation_Agent_Example/app.py
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,9 @@
layout="wide"
)

# Security: Maximum file size limit (10MB)
MAX_FILE_SIZE = 10 * 1024 * 1024 # 10MB in bytes


def encode_image(uploaded_file) -> str:
"""Convert uploaded file to base64 data URI."""
Expand All @@ -47,6 +50,11 @@ def main():

# Translation workflow
if uploaded_file and translate_button:
# Security: Validate file size before processing
if uploaded_file.size > MAX_FILE_SIZE:
st.error(f"❌ File size exceeds {MAX_FILE_SIZE // (1024 * 1024)}MB limit. Please upload a smaller image.")
return

with st.spinner("Processing..."):
try:
# Step 1: Encode image
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1 change: 1 addition & 0 deletions Agents/Hunyan_OCR_API_Multilingual_Translation_Agent_Example/pyproject.toml
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Expand Up @@ -11,4 +11,5 @@ dependencies = [
"requests>=2.32.5",
"streamlit>=1.53.0",
"agno>=2.0.0",
"openai>=2.34.0",
]