21 lines
655 B
Python
21 lines
655 B
Python
import json
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from functools import wraps
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from flask import redirect, request, current_app
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import re
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jsonp_validator = re.compile("^[a-zA-Z0-9_\-.]{1,128}$")
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def jsonp(f):
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"""Wraps JSONified output for JSONP"""
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@wraps(f)
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def decorated_function(*args, **kwargs):
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callback = request.args.get('callback', False)
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if callback and jsonp_validator.match(callback):
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content = str(callback) + '(' + str(f(*args, **kwargs).data) + ')'
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return current_app.response_class(
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content, mimetype='application/javascript')
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else:
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return f(*args, **kwargs)
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return decorated_function
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