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Harden SSRF in HandwrittenText/generate.py #23

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Harden SSRF in HandwrittenText/generate.py #23

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7 changes: 4 additions & 3 deletions codes/ecg-image-generator/HandwrittenText/generate.py
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Original file line number Diff line number Diff line change
Expand Up @@ -145,9 +145,10 @@ def get_handwritten(link,num_words,input_file,output_dir,x_offset=0,y_offset=0,h
filename = input_file

#Extract n medical terms
if(validators.url(link)):
#Parse URL
r = requests.get(link)
if(validators.url(link) and link.lower().startswith(("http://", "https://"))):
#Parse URL — restrict scheme, set timeout, disable redirects to prevent SSRF/DoS
r = requests.get(link, timeout=10, allow_redirects=False)
r.raise_for_status()

if platform == "darwin":
soup = BeautifulSoup(r.content, "html5lib")
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