/
charakteristika.py
executable file
·524 lines (465 loc) · 17.8 KB
/
charakteristika.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
from flask import Flask, Blueprint
app = Flask(__name__)
from flask import render_template, url_for, redirect
from flask import request, Request
from flask import Response, abort
from flask import g
from werkzeug.exceptions import BadRequest, NotFound
from werkzeug.datastructures import OrderedMultiDict
from werkzeug.routing import BaseConverter
import re
import os
from deform import Form
from deform.exception import ValidationFailure
import json
import os
import os.path
import ldap
from pkg_resources import resource_filename
import colander
import time
import jinja2
from markupsafe import Markup, soft_unicode
import psycopg2
# postgres unicode
psycopg2.extensions.register_type(psycopg2.extensions.UNICODE)
psycopg2.extensions.register_type(psycopg2.extensions.UNICODEARRAY)
from psycopg2.extras import NamedTupleCursor
from itsdangerous import URLSafeSerializer
from functools import wraps
from pkg_resources import resource_string
from datetime import datetime
from pyuca import Collator
collator = Collator()
class MyRequest(Request):
parameter_storage_class = OrderedMultiDict
app.request_class = MyRequest
from schema import Charakteristika
if 'CHARAKTERISTIKA_DEBUG' in os.environ:
app.debug = True
from local_settings import active_config
config = active_config(app)
app.secret_key = config.secret
deform_bp = Blueprint('deform', 'deform', static_folder='static', url_prefix='/deform')
app.register_blueprint(deform_bp)
form_deform_templates = resource_filename('deform', 'templates')
form_my_templates = resource_filename(__name__, 'templates')
form_template_path = (form_my_templates, form_deform_templates)
Form.set_zpt_renderer(form_template_path)
class FormTokenConverter(BaseConverter):
def __init__(self, url_map, *items):
super(FormTokenConverter, self).__init__(url_map)
self.regex = r'[A-Za-z0-9]{32}'
app.url_map.converters['token'] = FormTokenConverter
class LoginConverter(BaseConverter):
def __init__(self, url_map, *items):
super(LoginConverter, self).__init__(url_map)
self.regex = r'[A-Za-z0-9]+'
app.url_map.converters['login'] = LoginConverter
def restrict(api=False, roles=None):
if roles == None:
roles = []
roles = set(roles)
def decorator(f):
@wraps(f)
def wrapper(*args, **kwargs):
if not g.user:
if api:
abort(401)
else:
goto = None
if request.method in ['HEAD', 'GET']:
if request.url.startswith(request.url_root):
goto = request.url[len(request.url_root):]
serializer = URLSafeSerializer(config.secret)
goto = serializer.dumps(goto)
return redirect(url_for('index', next=goto))
if roles and not roles.intersection(g.roles):
if api:
abort(403)
else:
return render_template('unauthorized.html'), 403
return f(*args, **kwargs)
return wrapper
return decorator
@app.before_request
def before_request():
g.db = psycopg2.connect(config.conn_str, cursor_factory=NamedTupleCursor)
username = request.remote_user
if app.debug and 'REMOTE_USER' in os.environ:
username = os.environ['REMOTE_USER']
g.user = username
g.roles = set()
if g.user:
with g.db.cursor() as cur:
cur.execute('SELECT op.je_admin, op.je_garant FROM osoba o, ilsp_opravnenia op WHERE o.id = op.osoba AND o.login = %s', (username,))
row = cur.fetchone()
if row is not None:
if row.je_garant:
g.roles.add('garant')
if row.je_admin:
g.roles.add('admin')
def login_get_next_url():
if 'next' not in request.args:
return None
try:
serializer = URLSafeSerializer(config.secret)
goto = serializer.loads(request.args['next'])
goto = request.url_root + goto
return goto
except:
return None
@app.route('/', methods=['POST', 'GET'])
def index():
if not g.user:
goto = login_get_next_url()
goto_enc = None
if goto is not None:
goto_enc = request.args['next']
return render_template('login.html', next=goto_enc, next_url=goto)
return show_form('user-{}'.format(g.user), user=g.user)
def load_documents(generate_links=False):
documents = [x for x in os.listdir(config.document_dir) if x.endswith('.json')]
loaded_documents = []
for filename in documents:
tokmatch = re.match(r'^token-(.*)\.json$', filename)
loginmatch = re.match(r'^user-(.*)\.json$', filename)
if not (tokmatch or loginmatch):
continue
doc = load_form(filename[:-5])
doc['filename'] = filename
doc['formatovane_meno'] = u' '.join(unicode(doc['cstruct'][x]) for x in ['titul_pred', 'meno', 'priezvisko'] if doc['cstruct'][x] is not colander.null)
if doc['cstruct']['titul_za'] is not colander.null:
doc['formatovane_meno'] = u', '.join([doc['formatovane_meno'], doc['cstruct']['titul_za']])
if not doc['formatovane_meno'].strip():
doc['formatovane_meno'] = tokmatch.group(1) if tokmatch else loginmatch.group(1)
try:
Charakteristika().deserialize(doc['cstruct'])
except colander.Invalid:
doc['valid'] = False
else:
doc['valid'] = True
doc['spravne_vyplnene'] = doc['valid'] and doc.get('form', {}).get('konecna_podoba', False)
if generate_links:
if doc['valid']:
if tokmatch:
doc['url'] = url_for('rtf_using_token', token=tokmatch.group(1))
elif loginmatch:
doc['url'] = url_for('rtf_using_login', login=loginmatch.group(1))
else:
doc['url'] = None
if tokmatch:
doc['edit_url'] = url_for('using_token', token=tokmatch.group(1))
elif loginmatch:
doc['edit_url'] = url_for('using_login', login=loginmatch.group(1))
loaded_documents.append(doc)
return loaded_documents
@app.route('/vsetky')
@restrict(roles=['admin', 'garant'])
def vsetky():
loaded_documents = load_documents(generate_links=True)
def sort_key(document):
def sk(x):
return collator.sort_key(soft_unicode(x))
return sk(document['cstruct']['priezvisko']), sk(document['cstruct']['meno']), sk(document['filename'])
loaded_documents.sort(key=sort_key)
return render_template('vsetky.html', documents=loaded_documents)
@app.route('/rtf')
@restrict()
def rtf_index():
if not g.user:
return 'Authorization required', 403
return rtf_download('user-{}'.format(g.user))
@app.route('/login')
def login():
goto = login_get_next_url()
if not goto:
return redirect(url_for('index'))
return redirect(goto)
@app.route('/logout')
def logout():
logout_link = 'https://login.uniba.sk/logout.cgi?{}'.format(url_for('index', _external=True))
response = app.make_response(redirect(logout_link))
if 'COSIGN_SERVICE' in request.environ:
response.set_cookie(request.environ['COSIGN_SERVICE'], value='',
expires=1, path='/', secure=True)
return response
@app.route('/<token:token>', methods=['POST', 'GET'])
def using_token(token):
return show_form('token-{}'.format(token), {'token':token}, token=token)
@app.route('/<login>', methods=['POST', 'GET'])
@restrict(roles=['admin', 'garant'])
def using_login(login):
return show_form('user-{}'.format(login), user=login)
@app.route('/<token:token>.rtf')
def rtf_using_token(token):
return rtf_download('token-{}'.format(token))
@app.route('/<login:login>.rtf')
@restrict(roles=['admin', 'garant'])
def rtf_using_login(login):
return rtf_download('user-{}'.format(login))
class MyJsonEncoder(json.JSONEncoder):
def default(self, obj):
if obj == colander.null:
return {'__colander': 'null'}
return super(CstructJsonEncoder, self).default(obj)
def object_hook(obj):
if '__colander' in obj and obj['__colander'] == 'null':
return colander.null
return obj
def save_form(data, filename):
filepath = os.path.join(config.document_dir, '{}.json'.format(filename))
tmpfilepath = os.path.join(config.document_dir, '{}.json.part'.format(filename))
try:
with open(tmpfilepath, 'w+') as f:
json.dump(data, f, cls=MyJsonEncoder)
f.flush()
os.fsync(f.fileno())
os.rename(tmpfilepath, filepath)
except:
try:
os.unlink(tmpfilepath)
except:
pass
raise
def save_rtf(data, filename):
filepath = os.path.join(config.document_dir, '{}.rtf'.format(filename))
tmpfilepath = os.path.join(config.document_dir, '{}.rtf.part'.format(filename))
try:
with open(tmpfilepath, 'w+') as f:
f.write(render_rtf_form(data['form'], data['metadata']))
f.flush()
os.fsync(f.fileno())
os.rename(tmpfilepath, filepath)
except:
try:
os.unlink(tmpfilepath)
except:
pass
raise
def load_form(filename):
filepath = os.path.join(config.document_dir, '{}.json'.format(filename))
try:
with open(filepath, 'r') as f:
return json.load(f, object_hook=object_hook)
except IOError, e:
if e.errno == 2: # neexistuje
return None
else:
raise
def form_messages(form):
if not form.error:
return None
def title(exc):
if exc.positional:
return u'{}.'.format(exc.pos + 1)
if exc.node.title == None or exc.node.title == u'':
return None
return exc.node.title
errors = []
for path in form.error.paths():
titlepath = []
messages = []
for exc in path:
if exc.msg:
messages.extend(exc.messages())
tit = title(exc)
if tit != None:
titlepath.append(tit)
errors.append((Markup(u' – ').join(titlepath), messages))
return errors
def show_form(filename, metadata_default={}, **kwargs):
now = time.time()
loaded = load_form(filename)
exists = False
if loaded == None:
data = {}
metadata = {'created': now}
metadata.update(metadata_default)
if 'user' in kwargs:
ldap_result = query_ldap(kwargs['user'])
if ldap_result:
data = {
'titul_pred': ldap_result[0],
'meno': ldap_result[1],
'priezvisko': ldap_result[2],
'titul_za': ldap_result[3],
}
else:
data = loaded['form']
metadata = loaded['metadata']
exists = True
form = Form(Charakteristika(), buttons=('submit',), appstruct=data)
saved = False
if request.method == 'POST':
controls = request.form.items(multi=True)
export_rtf = False
try:
data = form.validate(controls)
export_rtf = data.get('konecna_podoba', False)
except ValidationFailure, e:
pass
metadata['updated'] = now
savedata = {'metadata': metadata, 'form': data, 'cstruct': form.cstruct}
save_form(savedata, filename)
if export_rtf:
save_rtf(savedata, filename)
saved = True
else:
if loaded and 'cstruct' in loaded:
form.cstruct = loaded['cstruct']
try:
data = form.schema.deserialize(form.cstruct)
except colander.Invalid as e:
form.widget.handle_error(form, e)
return render_template('form.html', form=form, data=data, messages=form_messages(form), saved=saved, exists=exists, **kwargs)
def render_rtf_form(data, metadata):
def p(s):
if s is colander.null or s is None:
return u''
return soft_unicode(s)
char = {}
char['DISPLAY_NAME'] = u', '.join(p(data[x]) for x in ['priezvisko', 'meno', 'titul_pred', 'titul_za'] if data[x] and data[x] is not colander.null)
for field in ['rok_narodenia', 'veduci_bakalarske', 'veduci_diplomove', 'veduci_dizertacne', 'funkcie', 'dopln_program', 'dopln_dalsie', 'pracovisko', 'email']:
char[field.upper()] = data[field]
for field in ['vzd_druhy', 'vzd_treti', 'vzd_docent', 'vzd_profesor', 'vzd_doktor_vied']:
char['{}_SKOLA'.format(field.upper())] = data[field]['nazov_skoly']
char['{}_ROK'.format(field.upper())] = data[field]['rok']
for field in ['vzd_druhy', 'vzd_treti', 'vzd_doktor_vied']:
char['{}_ODBOR'.format(field.upper())] = data[field]['odbor_program']
char['VZD_DALSIE_SKOLA'] = u'\n\n'.join(p(x['nazov_skoly']) for x in data['vzd_dalsie'])
char['VZD_DALSIE_ROK'] = u'\n\n'.join(p(x['rok']) for x in data['vzd_dalsie'])
char['VZD_DALSIE_ODBOR'] = u'\n\n'.join(p(x['odbor_program']) for x in data['vzd_dalsie'])
char['AKT_PEDAG_CINN'] = u'\n'.join(u'{}, {}, {}'.format(p(x['nazov_predmetu']), p(x['stupen_studia']), p(x['typ_cinnosti'])) for x in data['akt_pedag_cinnost'])
char['PREDCH_PEDAG_CINN'] = u'\n'.join(u', '.join(p(x[f]) for f in ['nazov_predmetu', 'stupen_studia', 'akademicky_rok', 'typ_cinnosti', 'skola'] if x[f]) for x in data['predch_pedag_cinnost'])
char['TVORIVA_CINN'] = u'\n'.join(p(x['nazov_projektu']) + (u' (vedúci projektu)' if x['veduci_projektu'] else u'') for x in data['tvoriva_cinnost'])
for field in ['vystup_wos_scopus', 'vystup_a', 'vystup_b', 'vystup_citacie', 'vystup_projekty']:
char['{}_CELKOVO'.format(field.upper())] = data[field]['celkovo']
char['{}_6R'.format(field.upper())] = data[field]['za_poslednych_6_rokov']
char['VYSTUP_PREDNASKY_CELKOVO'] = u'{}/{}'.format(p(data['vystup_prednasky_medzinarodne']['celkovo']), p(data['vystup_prednasky_narodne']['celkovo']))
char['VYSTUP_PREDNASKY_6R'] = u'{}/{}'.format(p(data['vystup_prednasky_medzinarodne']['za_poslednych_6_rokov']), p(data['vystup_prednasky_narodne']['za_poslednych_6_rokov']))
for field in ['najv_prace_celkom', 'najv_prace_za_poslednych_6_rokov', 'najv_projekty_za_poslednych_6_rokov']:
for idx in range(5):
dest = '{}_{}'.format(field.replace('za_poslednych_6_rokov', '6R').upper(), idx)
if idx < len(data[field]):
char[dest] = p(data[field][idx]['popis'])
if data[field][idx].get('nazov_zamestnavatela'):
char[dest] += u' ({})'.format(p(data[field][idx]['nazov_zamestnavatela']))
else:
char[dest] = u''
for idx in range(5):
dest = 'VYSTUPY_S_OHLASMI_{}'.format(idx)
if idx < len(data['vystupy_s_ohlasmi']):
char[dest] = p(data['vystupy_s_ohlasmi'][idx]['popis'])
if data['vystupy_s_ohlasmi'][idx].get('nazov_zamestnavatela'):
char[dest] += u' ({})'.format(p(data['vystupy_s_ohlasmi'][idx]['nazov_zamestnavatela']))
char[dest] += u'\n\nOhlasy:\n{}'.format(p(data['vystupy_s_ohlasmi'][idx]['ohlas']))
else:
char[dest] = u''
changed = metadata.get('updated', metadata.get('created', None))
if changed:
char['POSL_AKTUAL'] = datetime.fromtimestamp(changed).strftime('%d.%m.%Y')
else:
char['POSL_AKTUAL'] = ''
tdata = {'CHAR_{}'.format(key): value for key, value in char.iteritems()}
rtf_template = resource_string(__name__, 'templates/form.rtf')
return render_rtf(rtf_template, tdata)
def rtf_download(filename):
loaded = load_form(filename)
if loaded == None:
raise NotFound('Form does not exist')
metadata = loaded['metadata']
data = loaded['form']
form = Form(Charakteristika(), buttons=('submit',), appstruct=data)
if 'cstruct' in loaded:
form.cstruct = loaded['cstruct']
try:
data = form.schema.deserialize(form.cstruct)
except colander.Invalid:
return render_template('rtf-invalid.html'), 404
response = Response(render_rtf_form(data=data, metadata=metadata), mimetype='application/rtf')
response.headers['Content-Disposition'] = 'attachment; filename=vpchar.rtf'
return response
def ldap_escape(s):
"""Escape LDAP filter value
@see http://www.ietf.org/rfc/rfc2254.txt
"""
r = ''
for c in s:
if c in ('*', '(', ')', '\\', "\0"):
r += '\\' + hex(ord(c))[2:].zfill(2)
else:
r += c
return r
def query_ldap(user):
l = ldap.initialize('ldaps://jas2.uniba.sk,ldaps://jas1.uniba.sk')
l.protocol_version = 3
l.simple_bind_s()
result = l.search_s('dc=uniba,dc=sk', ldap.SCOPE_SUBTREE, filterstr='(uid={})'.format(ldap_escape(user)))
if len(result) == 0:
return None
elif len(result) > 1:
raise ValueError('Multiple results for username {}'.format(user))
def field(name):
return result[0][1][name][0].decode('UTF-8')
display_name = field('displayName')
given_name = field('givenNameU8')
surname = field('snU8')
tituly_pred = display_name[:display_name.index(given_name)].strip()
tituly_za = display_name[display_name.index(surname)+len(surname):].lstrip(',').strip()
return tituly_pred, given_name, surname, tituly_za
def escape_rtf(val):
if val == colander.null or val == None:
val = u''
val = soft_unicode(val)
r = ''
prevc = None
for c in val:
if (c == '\n' and prevc != '\r') or (c == '\r' and prevc != '\n'):
r += '\line '
elif (c == '\n' and prevc == '\r') or (c == '\r' and prevc == '\n'):
pass
elif c in 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 ':
r += c
else:
r += '\u{}?'.format(ord(c))
prevc = c
return r
def render_rtf(rtf_template, substitutions):
replacements = []
for key, value in substitutions.iteritems():
replacements.append((key, escape_rtf(value)))
return multiple_replace(rtf_template, *replacements)
# http://stackoverflow.com/a/15221068
def multiple_replacer(*key_values):
replace_dict = dict(key_values)
replacement_function = lambda match: replace_dict[match.group(0)]
pattern = re.compile("|".join([re.escape(k) for k, v in key_values]), re.M)
return lambda string: pattern.sub(replacement_function, string)
def multiple_replace(string, *key_values):
return multiple_replacer(*key_values)(string)
if __name__ == '__main__':
import sys
import traceback
if len(sys.argv) == 2 and sys.argv[1] == 'cherry':
from cherrypy import wsgiserver
d = wsgiserver.WSGIPathInfoDispatcher({'/': app})
server = wsgiserver.CherryPyWSGIServer(('127.0.0.1', 5000), d)
try:
server.start()
except KeyboardInterrupt:
server.stop()
elif len(sys.argv) == 3 and sys.argv[1] == 'ldap':
print repr(query_ldap(sys.argv[2]))
elif len(sys.argv) == 2 and sys.argv[1] == 'pregeneruj-rtf':
for doc in load_documents():
try:
if doc['valid'] and doc['spravne_vyplnene']:
save_rtf(doc, doc['filename'][:-5])
except:
print 'Chyba pri generovani: {}'.format(doc['filename'])
print traceback.format_exc()
else:
app.run() # werkzeug