Finished login procedure.

.gitignore

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+*.pyc

panera_sync/fill_form.py

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+def get_form_fields(form):
+    form_action = form.action
+    data = dict()
+    inputs = form.xpath("//input")
+    for _input in inputs:
+        name = _input.name
+        if name is not None:
+            data[name] = _input.value
+    return form_action, data

panera_sync/login.py

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+from lxml.html import fromstring as lxml_from_string
+from urllib.parse import urljoin
+
+from panera_sync.saml_check import saml_check
+from panera_sync.fill_form import get_form_fields
+
+
+def login_user(session, response, username, password):
+    parsed = lxml_from_string(response.text)
+    form = parsed.xpath("//form")[0]
+    post_url, to_send = get_form_fields(form)
+    to_send["username"] = username
+    to_send["password"] = password
+    print(to_send)
+    post_url = urljoin(response.url, post_url)
+    print(post_url)
+    headers = {
+        "Host": "iso3.panerabread.com",
+        "Referer": "https://pantry.panerabread.com/",
+    }
+    r = session.post(post_url, data=to_send, headers=headers)
+    return saml_check(session, r)

panera_sync/main_loop.py

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+import lxml
+import requests
+
+from panera_sync.saml_check import saml_check
+from panera_sync.login import login_user
+
+PANERA_URL = "https://pantry.panerabread.com"
+
+
+def get_login_page(session: requests.Session):
+    landing = session.get(PANERA_URL)
+    return saml_check(session, landing)
+
+
+def login(username, password):
+    session = requests.Session()
+    login_page = get_login_page(session)
+    login_user(session, login_page, username, password)
+    return session

panera_sync/saml_check.py

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+from urllib.parse import urlparse
+from lxml.html import fromstring as lxml_from_string
+
+from panera_sync.fill_form import get_form_fields
+
+
+def saml_submit(session, response):
+    origin_url = response.url
+    url_parse_result = urlparse(origin_url)
+    headers = {
+        "Origin": f"{url_parse_result.scheme}://{url_parse_result.netloc}",
+        "Referer": origin_url,
+    }
+    parsed = lxml_from_string(response.text)
+    form = parsed.xpath("//form")[0]
+    post_url, to_submit = get_form_fields(form)
+    return session.post(post_url, data=to_submit, headers=headers)
+
+
+def saml_check(session, response, response_text=None):
+    parsed = lxml_from_string(response.text)
+    witness = parsed.xpath('//form//input[contains(@name,"SAML")]')
+    print(witness)
+    if len(witness) != 0:
+        return saml_submit(session, response)