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.gitattributes

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+*.js linguist-language=python
+*.py linguist-language=python

PyScutLogin/__init__.py

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+# encoding:utf-8
+
+import requests
+import re
+import execjs
+import os
+
+def PyScutLogin(username: str, password: str, service: str = '') -> requests.session:
+    u = username
+    p = password
+
+    url = 'https://sso.scut.edu.cn/cas/login'
+    if service:
+        url += '?service=' + service
+    headers = {
+        'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.22 Safari/537.36 SE 2.X MetaSr 1.0'}
+    session = requests.session()
+    r = session.get(url, headers=headers)
+
+    # lt : r'value="(LT-\d+?-\w+?-cas)"'
+    lt = re.findall(r'value="(LT-\d+?-\w+?-cas)"', r.text)[0]
+    execution = re.findall(r'name="execution" value="(.+?)"', r.text)[0]
+
+    u = u.strip()
+    p = p.strip()
+
+    basepath = os.path.abspath(__file__)
+    folder = os.path.dirname(basepath)
+    jspath = os.path.join(folder, 'des.js')
+    with open(jspath) as f:
+        ctx = execjs.compile(f.read())
+    s = u+p+lt
+    rsa = ctx.call('strEnc', s, '1', '2', '3')
+
+    # POST /cas/login
+    data = {
+        'rsa': rsa,
+        'ul': len(u),
+        'pl': len(p),
+        'lt': lt,
+        'execution': execution,
+        '_eventId': 'submit'
+    }
+    print('LoginData :',data)
+    r = session.post(url, data=data, headers=headers)
+    print('Cookies :',session.cookies.items())
+    return session