mirror of https://gitlab.com/bashrc2/epicyon
192 lines
7.4 KiB
Python
192 lines
7.4 KiB
Python
__filename__ = "webapp_login.py"
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__author__ = "Bob Mottram"
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__license__ = "AGPL3+"
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__version__ = "1.2.0"
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__maintainer__ = "Bob Mottram"
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__email__ = "bob@libreserver.org"
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__status__ = "Production"
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__module_group__ = "Web Interface"
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import os
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import time
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from shutil import copyfile
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from utils import getConfigParam
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from utils import noOfAccounts
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from utils import getNicknameValidationPattern
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from webapp_utils import htmlHeaderWithWebsiteMarkup
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from webapp_utils import htmlFooter
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from webapp_utils import htmlKeyboardNavigation
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from theme import getTextModeLogo
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def htmlGetLoginCredentials(loginParams: str,
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lastLoginTime: int,
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domain: str) -> (str, str, bool):
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"""Receives login credentials via HTTPServer POST
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"""
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if not loginParams.startswith('username='):
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return None, None, None
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# minimum time between login attempts
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currTime = int(time.time())
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if currTime < lastLoginTime+10:
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return None, None, None
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if '&' not in loginParams:
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return None, None, None
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loginArgs = loginParams.split('&')
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nickname = None
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password = None
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register = False
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for arg in loginArgs:
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if '=' not in arg:
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continue
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if arg.split('=', 1)[0] == 'username':
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nickname = arg.split('=', 1)[1]
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if nickname.startswith('@'):
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nickname = nickname[1:]
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if '@' in nickname:
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# the full nickname@domain has been entered
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nickname = nickname.split('@')[0]
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elif arg.split('=', 1)[0] == 'password':
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password = arg.split('=', 1)[1]
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elif arg.split('=', 1)[0] == 'register':
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register = True
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return nickname, password, register
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def htmlLogin(cssCache: {}, translate: {},
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baseDir: str,
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httpPrefix: str, domain: str,
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systemLanguage: str,
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autocomplete: bool) -> str:
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"""Shows the login screen
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"""
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accounts = noOfAccounts(baseDir)
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loginImage = 'login.png'
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loginImageFilename = None
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if os.path.isfile(baseDir + '/accounts/' + loginImage):
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loginImageFilename = baseDir + '/accounts/' + loginImage
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elif os.path.isfile(baseDir + '/accounts/login.jpg'):
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loginImage = 'login.jpg'
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loginImageFilename = baseDir + '/accounts/' + loginImage
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elif os.path.isfile(baseDir + '/accounts/login.jpeg'):
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loginImage = 'login.jpeg'
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loginImageFilename = baseDir + '/accounts/' + loginImage
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elif os.path.isfile(baseDir + '/accounts/login.gif'):
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loginImage = 'login.gif'
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loginImageFilename = baseDir + '/accounts/' + loginImage
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elif os.path.isfile(baseDir + '/accounts/login.svg'):
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loginImage = 'login.svg'
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loginImageFilename = baseDir + '/accounts/' + loginImage
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elif os.path.isfile(baseDir + '/accounts/login.webp'):
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loginImage = 'login.webp'
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loginImageFilename = baseDir + '/accounts/' + loginImage
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elif os.path.isfile(baseDir + '/accounts/login.avif'):
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loginImage = 'login.avif'
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loginImageFilename = baseDir + '/accounts/' + loginImage
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if not loginImageFilename:
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loginImageFilename = baseDir + '/accounts/' + loginImage
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copyfile(baseDir + '/img/login.png', loginImageFilename)
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textModeLogo = getTextModeLogo(baseDir)
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textModeLogoHtml = htmlKeyboardNavigation(textModeLogo, {}, {})
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if os.path.isfile(baseDir + '/accounts/login-background-custom.jpg'):
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if not os.path.isfile(baseDir + '/accounts/login-background.jpg'):
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copyfile(baseDir + '/accounts/login-background-custom.jpg',
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baseDir + '/accounts/login-background.jpg')
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if accounts > 0:
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loginText = \
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'<p class="login-text">' + \
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translate['Welcome. Please enter your login details below.'] + \
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'</p>'
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else:
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loginText = \
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'<p class="login-text">' + \
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translate['Please enter some credentials'] + '</p>' + \
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'<p class="login-text">' + \
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translate['You will become the admin of this site.'] + \
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'</p>'
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if os.path.isfile(baseDir + '/accounts/login.txt'):
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# custom login message
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with open(baseDir + '/accounts/login.txt', 'r') as file:
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loginText = '<p class="login-text">' + file.read() + '</p>'
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cssFilename = baseDir + '/epicyon-login.css'
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if os.path.isfile(baseDir + '/login.css'):
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cssFilename = baseDir + '/login.css'
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# show the register button
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registerButtonStr = ''
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if getConfigParam(baseDir, 'registration') == 'open':
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if int(getConfigParam(baseDir, 'registrationsRemaining')) > 0:
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if accounts > 0:
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idx = 'Welcome. Please login or register a new account.'
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loginText = \
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'<p class="login-text">' + \
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translate[idx] + \
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'</p>'
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registerButtonStr = \
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'<button type="submit" name="register">Register</button>'
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TOSstr = \
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'<p class="login-text"><a href="/about">' + \
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translate['About this Instance'] + '</a></p>' + \
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'<p class="login-text"><a href="/terms">' + \
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translate['Terms of Service'] + '</a></p>'
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loginButtonStr = ''
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if accounts > 0:
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loginButtonStr = \
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'<button type="submit" name="submit">' + \
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translate['Login'] + '</button>'
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autocompleteNicknameStr = 'autocomplete="username"'
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autocompletePasswordStr = 'autocomplete="current-password"'
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if not autocomplete:
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autocompleteNicknameStr = 'autocomplete="username" value=""'
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autocompletePasswordStr = 'autocomplete="off" value=""'
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instanceTitle = \
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getConfigParam(baseDir, 'instanceTitle')
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loginForm = \
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htmlHeaderWithWebsiteMarkup(cssFilename, instanceTitle,
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httpPrefix, domain,
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systemLanguage)
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nicknamePattern = getNicknameValidationPattern()
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instanceTitle = getConfigParam(baseDir, 'instanceTitle')
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loginForm += \
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'<br>\n' + \
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'<form method="POST" action="/login">\n' + \
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' <div class="imgcontainer">\n' + \
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textModeLogoHtml + '\n' + \
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' <img loading="lazy" src="' + loginImage + \
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'" alt="' + instanceTitle + '" class="loginimage">\n' + \
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loginText + TOSstr + '\n' + \
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' </div>\n' + \
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'\n' + \
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' <div class="container">\n' + \
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' <label for="nickname"><b>' + \
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translate['Nickname'] + '</b></label>\n' + \
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' <input type="text" ' + autocompleteNicknameStr + \
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' placeholder="' + translate['Enter Nickname'] + '" ' + \
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'pattern="' + nicknamePattern + '" name="username" ' + \
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'required autofocus>\n' + \
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'\n' + \
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' <label for="password"><b>' + \
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translate['Password'] + '</b></label>\n' + \
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' <input type="password" ' + autocompletePasswordStr + \
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' placeholder="' + translate['Enter Password'] + '" ' + \
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'pattern="{8,256}" name="password" required>\n' + \
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loginButtonStr + registerButtonStr + '\n' + \
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' </div>\n' + \
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'</form>\n' + \
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'<a href="https://gitlab.com/bashrc2/epicyon">' + \
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'<img loading="lazy" class="license" title="' + \
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translate['Get the source code'] + '" alt="' + \
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translate['Get the source code'] + '" src="/icons/agpl.png" /></a>\n'
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loginForm += htmlFooter()
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return loginForm
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