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# Author: Matt Giuca, Will Grant
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import formencode.validators
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from genshi.filters import HTMLFormFiller
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from ivle.webapp import ApplicationRoot
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from ivle.webapp.base.rest import JSONRESTView, require_permission
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from ivle.webapp.base.xhtml import XHTMLView
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from ivle.webapp.base.plugins import ViewPlugin, MediaPlugin
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from ivle.webapp.admin.publishing import root_to_user, user_url
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from ivle.database import User
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class UsersView(XHTMLView):
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"""A list of all IVLE users."""
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template = 'templates/users.html'
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breadcrumb_text = 'Users'
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def authorize(self, req):
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return req.user and req.user.admin
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def populate(self, req, ctx):
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ctx['users'] = req.store.find(User).order_by(User.login)
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class UserEditSchema(formencode.Schema):
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nick = formencode.validators.UnicodeString(not_empty=True)
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email = formencode.validators.Email(not_empty=False,
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class UserEditView(XHTMLView):
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"""A form to change a user's details."""
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template = 'templates/user-edit.html'
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def filter(self, stream, ctx):
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return stream | HTMLFormFiller(data=ctx['data'])
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def populate(self, req, ctx):
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if req.method == 'POST':
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data = dict(req.get_fieldstorage())
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validator = UserEditSchema()
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data = validator.to_python(data, state=req)
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self.context.nick = data['nick']
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self.context.email = unicode(data['email']) if data['email'] \
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req.throw_redirect(req.uri)
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except formencode.Invalid, e:
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errors = e.unpack_errors()
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data = {'nick': self.context.nick,
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'email': self.context.email
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ctx['format_datetime'] = ivle.date.make_date_nice
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ctx['format_datetime_short'] = ivle.date.format_datetime_for_paragraph
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ctx['user'] = self.context
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ctx['errors'] = errors
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class UserAdminSchema(formencode.Schema):
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admin = formencode.validators.StringBoolean(if_missing=False)
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disabled = formencode.validators.StringBoolean(if_missing=False)
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fullname = formencode.validators.UnicodeString(not_empty=True)
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studentid = formencode.validators.UnicodeString(not_empty=False,
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class UserAdminView(XHTMLView):
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"""A form for admins to change more of a user's details."""
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template = 'templates/user-admin.html'
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def authorize(self, req):
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"""Only allow access if the requesting user is an admin."""
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return req.user and req.user.admin
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def filter(self, stream, ctx):
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return stream | HTMLFormFiller(data=ctx['data'])
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def populate(self, req, ctx):
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if req.method == 'POST':
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data = dict(req.get_fieldstorage())
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validator = UserAdminSchema()
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data = validator.to_python(data, state=req)
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if self.context is req.user:
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# Admin checkbox is disabled -- assume unchanged
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data['admin'] = self.context.admin
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data['disabled'] = self.context.state == u'disabled'
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self.context.admin = data['admin']
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if self.context.state in (u'enabled', u'disabled'):
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self.context.state = (u'disabled' if data['disabled']
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self.context.fullname = data['fullname'] \
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if data['fullname'] else None
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self.context.studentid = data['studentid'] \
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if data['studentid'] else None
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req.throw_redirect(req.uri)
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except formencode.Invalid, e:
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errors = e.unpack_errors()
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data = {'admin': self.context.admin,
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'disabled': self.context.state == u'disabled',
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'fullname': self.context.fullname,
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'studentid': self.context.studentid,
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ctx['user'] = self.context
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# Disable the Admin checkbox if editing oneself
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ctx['disable_admin'] = self.context is req.user
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ctx['errors'] = errors
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class PasswordChangeView(XHTMLView):
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"""A form to change a user's password, with knowledge of the old one."""
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template = 'templates/user-password-change.html'
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def authorize(self, req):
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"""Only allow access if the requesting user holds the permission,
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and the target user has a password set. Otherwise we might be
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clobbering external authn.
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return super(PasswordChangeView, self).authorize(req) and \
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self.context.passhash is not None
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def populate(self, req, ctx):
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if req.method == 'POST':
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data = dict(req.get_fieldstorage())
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if data.get('old_password') is None or \
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not self.context.authenticate(data.get('old_password')):
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error = 'Incorrect password.'
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elif data.get('new_password') != data.get('new_password_again'):
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error = 'New passwords do not match.'
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elif not data.get('new_password'):
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error = 'New password cannot be empty.'
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self.context.password = data['new_password']
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req.throw_redirect(req.uri)
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ctx['user'] = self.context
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class PasswordResetView(XHTMLView):
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"""A form to reset a user's password, without knowledge of the old one."""
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template = 'templates/user-password-reset.html'
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def authorize(self, req):
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"""Only allow access if the requesting user is an admin."""
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return req.user and req.user.admin
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def populate(self, req, ctx):
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if req.method == 'POST':
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data = dict(req.get_fieldstorage())
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if data.get('new_password') != data.get('new_password_again'):
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error = 'New passwords do not match.'
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elif not data.get('new_password'):
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error = 'New password cannot be empty.'
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self.context.password = data['new_password']
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req.throw_redirect(req.uri)
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ctx['user'] = self.context
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from ivle.webapp.errors import NotFound, Unauthorized
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# List of fields returned as part of the user JSON dictionary
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# (as returned by the get_user action)
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"login", "state", "unixid", "email", "nick", "fullname",
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"rolenm", "studentid", "acct_exp", "pass_exp", "last_login",
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class UserRESTView(JSONRESTView):
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A REST interface to the user object.
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def __init__(self, req, login):
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super(UserRESTView, self).__init__(self, req, login)
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self.context = ivle.database.User.get_by_login(req.store, login)
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if self.context is None:
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@require_permission('view')
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user = ivle.util.object_to_dict(user_fields_list, self.context)
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# Convert time stamps to nice strings
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for k in 'pass_exp', 'acct_exp', 'last_login':
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if user[k] is not None:
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user[k] = unicode(user[k])
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user['local_password'] = self.context.passhash is not None
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class UserSettingsView(XHTMLView):
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template = 'user-settings.html'
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def __init__(self, req, login):
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self.context = ivle.database.User.get_by_login(req.store, login)
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if self.context is None:
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def populate(self, req, ctx):
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self.plugin_scripts[Plugin] = ['settings.js']
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req.scripts_init = ['revert_settings']
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ctx['login'] = self.context.login
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class Plugin(ViewPlugin, MediaPlugin):
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The Plugin class for the user plugin.
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forward_routes = (root_to_user,)
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reverse_routes = (user_url,)
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views = [(ApplicationRoot, 'users', UsersView),
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(User, '+index', UserEditView),
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(User, '+admin', UserAdminView),
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(User, '+changepassword', PasswordChangeView),
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(User, '+resetpassword', PasswordResetView),
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('users', 'Users', 'Display and edit all users',
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'users.png', 'users', 90, True)
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# Magic attribute: urls
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# Sequence of pairs/triples of
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# (regex str, handler class, kwargs dict)
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# The kwargs dict is passed to the __init__ of the view object
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('~:login/+settings', UserSettingsView),
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('api/~:login', UserRESTView),
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public_forward_routes = forward_routes
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public_reverse_routes = reverse_routes
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media = 'user-media'
added
removed
ivle/webapp/admin/user.py
