79 lines
2.9 KiB
Python
79 lines
2.9 KiB
Python
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'''
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* ClearURLs
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* Copyright (c) 2019 Kevin Röbert
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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'''
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from urllib.parse import unquote
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from urllib.request import urlopen
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import json
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import re
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'''
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* Python class that used the ClearURLs data.min.json
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* to clean urls. Also redirections included.
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*
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* @param dataURL The url to the data.min.json,
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* default is the gitlab repo of ClearURLs
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'''
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class ClearURLsCore:
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def __init__(self, dataURl
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= "https://gitlab.com/KevinRoebert/ClearUrls/raw/master/data/data.min.json"):
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self.dataURL = dataURl
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self.pages = {}
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self.initRules()
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def initRules(self):
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# download ClearURLs rule set
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#data = urlopen(self.dataURL).read()
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#load rule set from local file
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data = open("data.min.json").read()
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json_data = json.loads(data)
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# extract and expand rules
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for provider in json_data["providers"]:
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urlPattern = json_data["providers"][provider]["urlPattern"]
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self.pages[urlPattern] = {
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"rules": [],
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"exceptions": [],
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"redirections": []
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}
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for rule in json_data["providers"][provider]["rules"]:
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self.pages[urlPattern]["rules"].append("([\\/|\\?]|(&|&))("+rule+"=[^\\/|\\?|&]*)")
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self.pages[urlPattern]["exceptions"] = json_data["providers"][provider]["exceptions"]
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self.pages[urlPattern]["redirections"] = json_data["providers"][provider]["redirections"]
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def clean(self, url):
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domain = re.sub("\\?.*", "", url)
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fields = "?"+re.sub(".*?\\?", "", url)
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for page in self.pages:
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if re.search(page, url):
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for exception in self.pages[page]["exceptions"]:
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if re.search(exception, url):
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return url
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for redirection in self.pages[page]["redirections"]:
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if re.search(redirection, url):
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result = re.search(redirection, url).group(1)
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return unquote(result)
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for rule in self.pages[page]["rules"]:
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fields = re.sub(rule, "", fields)
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finalFields = re.findall("[^\\/|\\?|&]+=[^\\/|\\?|&]+", fields)
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if len(finalFields) > 0:
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return domain + "?" + "&".join(finalFields);
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return domain
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