77 lines
2.5 KiB
Python
Executable File
77 lines
2.5 KiB
Python
Executable File
#!/usr/bin/python3
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import json
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import sys
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import requests
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from bs4 import BeautifulSoup
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import tempfile
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version = " 0.1"
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HTML_VALIDATOR_URL = "https://validator.w3.org/nu/?out=json"
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#CSS_VALIDATOR_URL = "http://jigsaw.w3.org/css-validator/validator"
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help = "w3spider "+version+"\n Usage : "+sys.argv[0]+" [TARGET URL] [0-9]\n This can take a while if you type high lvl of recursivity, or if there are a lot of errors in the target."
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def validate(filename, verbose=False): #send url to W3C and display messages
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is_remote = filename.startswith("http://") or filename.startswith("https://")
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with tempfile.TemporaryFile() if is_remote else open(filename, "rb") as f:
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if is_remote:
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r = requests.get(filename, verify=False)
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f.write(r.content)
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f.seek(0)
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r = requests.post(HTML_VALIDATOR_URL, files={"file": (filename, f, "text/html")}, data={"out": "json", "showsource": "yes"},verify=False)
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result = r.json()
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for msg in result['messages']:
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msginline = "Ligne : "+str(msg['lastLine'])+" : "+msg['type'] +" "+ msg['message']
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print (msginline)
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def spider(url): # search links and put them in waitlist
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req = requests.get(url)
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soup = BeautifulSoup(req.text, "lxml")
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for link in soup.find_all('a',{"href":True}):
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if link['href'].startswith(arg):
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if link['href'] not in waitlist:
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if link['href'].endswith(('.pdf','.jpeg','.png','.jpg')): # extension excluded
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continue
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else:
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waitlist.append(link['href'])
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print('new page found : ', link['href'])
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if link['href'].startswith(('http','mailto','#')):
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continue
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else:
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# if the link is not an anchor, not a mailto, not absolute, it may be relative link.
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# let's transform it to absolute link :
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link['href'] = arg +'/'+ link['href']
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if link['href'] not in waitlist:
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print('new page found : ', link['href'])
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waitlist.append(link['href'])
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def validthemall(): # submit all the waitlist to w3c
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for x in waitlist:
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print('/'*14,'w3c :', x,'/'*14)
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validate(x)
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if __name__=="__main__":
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if len(sys.argv) < 2:
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print(help)
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else:
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arg = sys.argv[1]
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if len(sys.argv) == 3:
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lvl = int(sys.argv[2])
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else:
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lvl = 0
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waitlist = [sys.argv[1]]
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if lvl > 0:
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print('/'*14,'Crawl :',arg,'with ', lvl,' level of recursivity.','/'*14)
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for i in range(0,lvl):
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for url in waitlist:
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print('Searching new pages in :', url)
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spider(url)
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validthemall()
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