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readabilite: drop dangerous tags (script, style)

master
pictuga 2020-04-25 12:25:02 +02:00
parent c86572374e
commit f6bc23927f
1 changed files with 12 additions and 3 deletions
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15
morss/readabilite.py
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@ -70,9 +70,10 @@ class_good = ['and', 'article', 'body', 'column', 'main',
regex_good = re.compile('|'.join(class_good), re.I) regex_good = re.compile('|'.join(class_good), re.I)
tags_junk = ['script', 'head', 'iframe', 'object', 'noscript', tags_dangerous = ['script', 'head', 'iframe', 'object', 'style', 'link', 'meta']
'param', 'embed', 'layer', 'applet', 'style', 'form', 'input', 'textarea',
'button', 'footer', 'link', 'meta'] tags_junk = tags_dangerous + ['noscript', 'param', 'embed', 'layer', 'applet',
'form', 'input', 'textarea', 'button', 'footer']
tags_bad = tags_junk + ['a', 'aside'] tags_bad = tags_junk + ['a', 'aside']
@ -106,6 +107,9 @@ def score_node(node):
or isinstance(node, lxml.html.HtmlProcessingInstruction)): or isinstance(node, lxml.html.HtmlProcessingInstruction)):
return 0 return 0
if node.tag in tags_dangerous:
return 0
if node.tag in tags_junk: if node.tag in tags_junk:
score += -1 # actuall -2 as tags_junk is included tags_bad score += -1 # actuall -2 as tags_junk is included tags_bad
@ -189,6 +193,11 @@ def clean_node(node, keep_threshold=None):
# this is <html/> (or a removed element waiting for GC) # this is <html/> (or a removed element waiting for GC)
return return
# remove dangerous tags, no matter what
if node.tag in tags_dangerous:
parent.remove(node)
return
if keep_threshold is not None and get_score(node) >= keep_threshold: if keep_threshold is not None and get_score(node) >= keep_threshold:
# high score, so keep # high score, so keep
return return