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104 lines
2.8 KiB
Python
104 lines
2.8 KiB
Python
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"""Get the site emails from URL."""
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__author__ = "Muhammad Umer Farooq"
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__license__ = "MIT"
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__version__ = "1.0.0"
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__maintainer__ = "Muhammad Umer Farooq"
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__email__ = "contact@muhammadumerfarooq.me"
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__status__ = "Alpha"
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import re
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from html.parser import HTMLParser
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from urllib import parse
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import requests
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class Parser(HTMLParser):
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def __init__(self, domain: str):
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HTMLParser.__init__(self)
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self.data = []
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self.domain = domain
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def handle_starttag(self, tag: str, attrs: str) -> None:
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"""
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This function parse html to take takes url from tags
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"""
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# Only parse the 'anchor' tag.
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if tag == "a":
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# Check the list of defined attributes.
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for name, value in attrs:
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# If href is defined, and not empty nor # print it.
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if name == "href" and value != "#" and value != "":
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# If not already in data.
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if value not in self.data:
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url = parse.urljoin(self.domain, value)
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self.data.append(url)
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# Get main domain name (example.com)
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def get_domain_name(url: str) -> str:
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"""
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This function get the main domain name
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>>> get_domain_name("https://a.b.c.d/e/f?g=h,i=j#k")
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'c.d'
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>>> get_domain_name("Not a URL!")
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''
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"""
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return ".".join(get_sub_domain_name(url).split(".")[-2:])
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# Get sub domain name (sub.example.com)
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def get_sub_domain_name(url: str) -> str:
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"""
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>>> get_sub_domain_name("https://a.b.c.d/e/f?g=h,i=j#k")
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'a.b.c.d'
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>>> get_sub_domain_name("Not a URL!")
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''
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"""
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return parse.urlparse(url).netloc
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def emails_from_url(url: str = "https://github.com") -> list:
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"""
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This function takes url and return all valid urls
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"""
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# Get the base domain from the url
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domain = get_domain_name(url)
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# Initialize the parser
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parser = Parser(domain)
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try:
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# Open URL
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r = requests.get(url)
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# pass the raw HTML to the parser to get links
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parser.feed(r.text)
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# Get links and loop through
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valid_emails = set()
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for link in parser.data:
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# open URL.
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# read = requests.get(link)
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try:
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read = requests.get(link)
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# Get the valid email.
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emails = re.findall("[a-zA-Z0-9]+@" + domain, read.text)
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# If not in list then append it.
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for email in emails:
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valid_emails.add(email)
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except ValueError:
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pass
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except ValueError:
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exit(-1)
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# Finally return a sorted list of email addresses with no duplicates.
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return sorted(valid_emails)
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if __name__ == "__main__":
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emails = emails_from_url("https://github.com")
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print(f"{len(emails)} emails found:")
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print("\n".join(sorted(emails)))
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