Facebook bot

from selenium import webdriver as driver # fakes human interaction
from selenium.webdriver.common.keys import Keys as keys
import time # waiting

#consts
ENTRY_POINT="https://www.facebook.com"
USERNAME="TheDesignerPenguin@gmail.com"
PASSWORD="LarissaLee"
LOGIN_FAILED_URL="http://www.facebook.com/login.php"
TIMELINE_FRIEND_CONFIRM="Friends" # Look for this text to find the friends button
SCROLL_LOAD_TIME=0.25
SCROLL_BREAK_POINT=50
REQ_DELAY=0.001
MUTUAL_FRIENDS_URL="mutual_friend"

#selector consts
sBACKGROUND="#mainContainer"
sLOGIN_CSS="#email"
sPASSWORD_CSS="#pass"
sLOG_IN_CSS="#loginbutton input"
sPROFILE="._2s25"
sTIMELINE_BUTTONS="._6-6"
sFRIEND_COUNT="div a span._gs6"
sPERSON_NAME="#fb-timeline-cover-name"
sSCROLL_FINISHED="#pagelet_timeline_medley_movies"
sFRIENDS_LINK="div._6a._6b a._39g5"
sREQUESTABLE_LINK="button:not(.hidden_elem)._42ft._4jy0.FriendRequestAdd.addButton._4jy3._4jy1.selected._51sy"

#opens the browser at a url
def create(url):
    browser = driver.Chrome()
    browser.get(url)

    return browser

def go_to(browser, url):
    browser.get(url)

def get_url(browser):
    return browser.current_url

def find_element(browser, css, ty='css'):
    return browser.find_element(ty, css)

def find_elements(browser, css, ty='css'):
    return browser.find_elements(ty, css)

def enter_data(element, data):
    element.send_keys(data)

def submit_data(element):
    element.submit()

def click(element):
    element.click()

def close(browser, code=0):
    browser.quit()
    print("quitting")
    exit(code)

#generic function to scroll down to the bottom of a page
def ScrollDownTill(selector, wait=0):
    count=0

    while count<SCROLL_BREAK_POINT: #incase the selector element doesnt exist

        #scroll down
        count += 1
        browser.execute_script("window.scrollTo(0, document.body.scrollHeight);")
        time.sleep(wait)

        #check if the done scrolling element is visible
        #slow, and I HATE try + except
        try:
            #the scroll is done
            find_element(browser, selector)
            break
        except:
            #good, keep scrolling
            continue

#open up the browser to facebook.com
browser = create(ENTRY_POINT)

#log into account
enter_data(find_element(browser, sLOGIN_CSS), USERNAME)
enter_data(find_element(browser, sPASSWORD_CSS), PASSWORD)
click(find_element(browser, sLOG_IN_CSS))

#if the account login has failed, the url will be fb.com/login
if LOGIN_FAILED_URL in get_url(browser):
    print("Login failed")
    close(browser)

print("login successful")

#Goto the profile
go_to(browser, find_element(browser, sPROFILE).get_attribute('href'))

#Because of the way facebook is designed there is no unique ID for the friends button
#Instead it is known to be the 2nd button in the list
#Bad code
profile_link=None

for l in find_elements(browser, sTIMELINE_BUTTONS):
    if TIMELINE_FRIEND_CONFIRM in l.text:
        profile_link=l

if profile_link == None:
    print("Profile could not be found")
    close(browser)

go_to(browser, profile_link.get_attribute('href'))

print("navigated to friends")

#if the login was successful, fucking facebook will ask for notifications
#click on the background to remove
enter_data(find_element(browser, sPROFILE), keys.ESCAPE)

#grab data about the person being scanned
person_name=find_element(browser, sPERSON_NAME).text

#the friends element is now selected, thus we can grab that and get the child
#this child shows the number of friends
person_friend_count_raw=find_element(browser, sFRIEND_COUNT).text

#friend count contains the phrase 'Mutual'
#remove it
person_friend_count=""

for char in person_friend_count_raw:
    if char.isdigit():
        person_friend_count += char

print("collected personal information:")
print("{} has {} friend".format(person_name, person_friend_count))

# now the bot needs to collect an array of all the friends elements
friendPageLinks=[]

#the current page should be added
#not it shoudlnt
#friendPageLinks.append(get_url(browser))

# first scroll to the bottom of the page
ScrollDownTill(sSCROLL_FINISHED, SCROLL_LOAD_TIME)

print("scroled down the page successfully")

# now all 'friends links' need to be found
for link in find_elements(browser, sFRIENDS_LINK):
    friendPageLinks.append(link.get_attribute('href'))

print("gathered all friend links ({} of them!)".format(len(friendPageLinks)))

#now we need to go to all those links and add all non friends
def AddFriends(url):

    #open
    go_to(browser, url)
    enter_data(find_element(browser, sPROFILE), keys.ESCAPE)

    #scroll down page
    ScrollDownTill(sSCROLL_FINISHED, SCROLL_LOAD_TIME)

    #loop through all non friend requestable people
    requestableIndividuals=find_elements(browser, sREQUESTABLE_LINK)
    successfulRequests=[]

    for person in requestableIndividuals:
        print(person.get_attribute('aria-label'))

        #because im kool
        try:
            click(person)

        except:
            print("mouse click simulation failed")
            continue

        successfulRequests.append(person)

    return successfulRequests

#actually loop though all friends and 'add'' all of their friends
requestedFriends=[]

#Facebook will try to be cool by giving links to mutual friends,
#just remove those links
#Using mutation to set
friendPageLinks[:] = [x for x in friendPageLinks if not MUTUAL_FRIENDS_URL in x]

for friendUrl in friendPageLinks:

    oldLen=len(requestedFriends)
    data = AddFriends(friendUrl)

    for element in data:
        requestedFriends.append(element)
        time.sleep(REQ_DELAY)

    print("Requested all friends of {} ({}), in total {} requests have been made!".format(friendUrl, len(requestedFriends)-oldLen, len(requestedFriends)))

print(requestedFriends)
time.sleep(3)
close(browser)