264 lines
8.3 KiB
Python
264 lines
8.3 KiB
Python
import logging
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import os
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import time
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from threading import Lock
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import rethinkdb as rdb
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from flask import Flask, request, render_template, url_for, redirect, flash
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from flask.ext.login import LoginManager, login_required
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from flask.ext.assets import Environment
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from recaptcha.client import captcha
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from werkzeug.routing import BaseConverter
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from session import RedisSessionInterface
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import config
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from wiki import Wiki
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from util import to_canonical, remove_ext, mkdir_safe, gravatar_url
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from models import Site, User, CurrentUser
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from ratelimit import get_view_rate_limit, ratelimiter
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from services import db
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instances = {}
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class SubdomainDispatcher(object):
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def __init__(self, domain, create_app):
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self.domain = domain
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self.create_app = create_app
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self.lock = Lock()
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def get_application(self, host):
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host = host.split(':')[0]
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assert host.endswith(self.domain), 'Configuration error'
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subdomain = host[:-len(self.domain)].rstrip('.')
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with self.lock:
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app = instances.get(subdomain)
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if app is None:
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app = self.create_app(subdomain)
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instances[subdomain] = app
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return app
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def __call__(self, environ, start_response):
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app = self.get_application(environ['HTTP_HOST'])
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return app(environ, start_response)
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def init_db(dbname):
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if not dbname in rdb.db_list().run(db):
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print "Creating DB %s" % dbname
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rdb.db_create(dbname).run(db)
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for tbl in ['sites', 'users', 'pages']:
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if not tbl in rdb.table_list().run(db):
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rdb.table_create(tbl).run(db)
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s = Site()
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if not s.get_by_name('_'):
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s.create(name='_', repo='_')
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class RegexConverter(BaseConverter):
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def __init__(self, url_map, *items):
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super(RegexConverter, self).__init__(url_map)
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self.regex = items[0]
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def redirect_url(referrer=None):
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if not referrer:
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referrer = request.referrer
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return request.args.get('next') or referrer or url_for('index')
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def validate_captcha():
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response = captcha.submit(
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request.form['recaptcha_challenge_field'],
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request.form['recaptcha_response_field'],
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config.flask['RECAPTCHA_PRIVATE_KEY'],
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request.remote_addr)
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return response.is_valid
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def make_app(subdomain):
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if subdomain and not Wiki.is_registered(subdomain):
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return redirect("http://%s/_new/?site=%s" % (config.hostname, subdomain))
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return create_app(subdomain)
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def create_app(subdomain=None):
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app = Flask(__name__)
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app.config.update(config.flask)
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app.debug = (config.ENV is not 'PROD')
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app.secret_key = config.secret_key
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app.static_path = os.sep + 'static'
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app.session_interface = RedisSessionInterface()
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app.url_map.converters['regex'] = RegexConverter
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login_manager = LoginManager()
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login_manager.init_app(app)
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login_manager.login_view = 'login'
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@login_manager.user_loader
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def load_user(user_id):
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return CurrentUser(user_id)
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assets = Environment(app)
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assets.url = app.static_url_path
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assets.directory = app.static_folder
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repo_dir = config.repos['dir']
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repo_name = subdomain if subdomain else "_"
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w = Wiki(repo_dir + "/" + repo_name)
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@app.after_request
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def inject_x_rate_headers(response):
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limit = get_view_rate_limit()
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if limit and limit.send_x_headers:
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h = response.headers
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h.add('X-RateLimit-Remaining', str(limit.remaining))
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h.add('X-RateLimit-Limit', str(limit.limit))
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h.add('X-RateLimit-Reset', str(limit.reset))
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return response
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@app.template_filter('datetime')
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def _jinja2_filter_datetime(ts):
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return time.strftime('%b %d, %Y %I:%M %p', time.localtime(ts))
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@app.errorhandler(404)
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def page_not_found(e):
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return render_template('errors/404.html'), 404
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@app.errorhandler(500)
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def page_error(e):
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logging.exception(e)
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return render_template('errors/500.html'), 500
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@app.route("/")
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@ratelimiter(limit=50, per=60)
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def root():
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return render('home')
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#return redirect('/home')
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@app.route("/account/")
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@login_required
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def account():
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return render_template('account/index.html')
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@app.route("/_new/", methods=['GET', 'POST'])
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@login_required
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def new_wiki():
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if request.method == 'POST':
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wiki_name = to_canonical(request.form['name'])
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if Wiki.is_registered(wiki_name):
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flash("Site already exists")
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return redirect(redirect_url())
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else:
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s = Site()
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s.create(name=wiki_name, repo=wiki_name)
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instances.pop(wiki_name, None)
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return redirect('http://%s.%s' % (wiki_name, config.hostname))
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else:
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return render_template('_new/index.html')
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@app.route("/logout/")
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def logout():
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User.logout()
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return redirect(url_for('root'))
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@app.route("/commit/<sha>/<name>")
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def commit_sha(name, sha):
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cname = to_canonical(name)
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data = w.get_page(cname, sha=sha)
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if data:
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return render_template('page/page.html', page=data)
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else:
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return redirect('/create/'+cname)
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@app.route("/compare/<name>/<regex('[^.]+'):fsha><regex('\.{2,3}'):dots><regex('.+'):lsha>")
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def compare(name, fsha, dots, lsha):
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diff = w.compare(name, fsha, lsha)
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return render_template('page/compare.html', name=name, diff=diff)
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@app.route("/register", methods=['GET', 'POST'])
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def register():
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if request.method == 'POST':
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if User.register(request.form.get('username'), request.form.get('email'), request.form.get('password')):
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return redirect(url_for('root'))
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else:
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# Login failed
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return redirect(url_for('register'))
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else:
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return render_template('account/register.html')
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@app.route("/login", methods=['GET', 'POST'])
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def login():
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if request.method == 'POST':
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if User.auth(request.form['email'], request.form['password']):
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return redirect(redirect_url(referrer=url_for('root')))
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else:
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flash("Email or Password invalid")
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return redirect("/login")
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else:
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return render_template('account/login.html')
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@app.route("/history/<name>")
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def history(name):
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history = w.get_history(name)
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return render_template('page/history.html', name=name, history=history)
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@app.route("/edit/<name>", methods=['GET', 'POST'])
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@login_required
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def edit(name):
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data = w.get_page(name)
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cname = to_canonical(name)
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if request.method == 'POST':
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edit_cname = to_canonical(request.form['name'])
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if edit_cname != cname:
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w.rename_page(cname, edit_cname)
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w.write_page(edit_cname, request.form['content'], message=request.form['message'])
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return redirect("/" + edit_cname)
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else:
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if data:
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name = remove_ext(data['name'])
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content = data['data']
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return render_template('page/edit.html', name=name, content=content)
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else:
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return redirect('/create/'+cname)
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@app.route("/delete/<name>", methods=['POST'])
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@login_required
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def delete(name):
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pass
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@app.route("/create/", methods=['GET', 'POST'])
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@app.route("/create/<name>", methods=['GET', 'POST'])
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@login_required
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def create(name=None):
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cname = ""
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if name:
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cname = to_canonical(name)
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if w.get_page(cname):
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# Page exists, edit instead
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return redirect("/edit/" + cname)
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if request.method == 'POST':
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w.write_page(request.form['name'], request.form['content'], message=request.form['message'], create=True)
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return redirect("/" + cname)
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else:
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return render_template('page/edit.html', name=cname, content="")
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@app.route("/<name>")
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def render(name):
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cname = to_canonical(name)
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if cname != name:
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return redirect('/' + cname)
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data = w.get_page(cname)
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if data:
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return render_template('page/page.html', name=cname, page=data)
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else:
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return redirect('/create/'+cname)
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return app |