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import os
from flask import Flask, send_from_directory, abort
app = Flask(__name__)
PDF_DIRECTORY = './pdf'
@app.route('/pdf/<filename>')
def view_pdf(filename):
try:
if not filename.endswith('.pdf'):
abort(400, description="Invalid file type. Only PDF files are allowed.")
filepath = os.path.join(PDF_DIRECTORY, filename)
if not os.path.exists(filepath):
abort(404, description="PDF file not found")
return send_from_directory(PDF_DIRECTORY, filename, as_attachment=False)
except Exception as e:
abort(500, description=f"Internal server error: {str(e)}")
if __name__ == '__main__':
app.run(host='0.0.0.0', port=8000)
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