import os
import re
from sys import getfilesystemencoding as sys_getfilesystemencoding
from pathlib import Path
from urllib.parse import urljoin, unquote as urlunquote
from urllib.request import urlopen
from django.shortcuts import render, redirect
from django.http import HttpResponse, HttpResponseRedirect, Http404
from django.urls import reverse, resolve
from django.template import Context, loader
from django.views.decorators.csrf import ensure_csrf_cookie
from django.contrib import admin
import django.forms as forms
from .auth import login_required_if_public
from troggle.core.models.caves import Cave
import troggle.core.views.caves
import troggle.settings as settings
from troggle.lib import version_control
from troggle.core.views.editor_helpers import HTMLarea
'''Formerly a separate package called 'flatpages' written by Martin Green 2011.
This was NOT django.contrib.flatpages which stores HTML in the database, so the name was changed to expopages.
Then it was incorporated into troggle directly, rather than being an unnecessary external package.
'''
default_head = '''
''' # this gets overwritten by templates/menu.html by django for most normal pages
def expofiles_redirect(request, filepath):
'''This is used only when running as a test system without a local copy of /expofiles/
when settings.EXPOFILESREMOTE is True
'''
return redirect(urljoin('http://expo.survex.com/expofiles/', filepath))
def map(request):
'''Serves unadorned the expoweb/map/map.html file
'''
fn = Path(settings.EXPOWEB, 'map', 'map.html')
return HttpResponse(content=open(fn, "r"),content_type='text/html')
def mapfile(request, path):
'''Serves unadorned file
'''
fn = Path(settings.EXPOWEB, 'map', path)
return HttpResponse(content=open(fn, "r"),content_type=getmimetype(fn))
def expofilessingle(request, filepath):
'''sends a single binary file to the user, if not found, show the parent directory
If the path actually is a directory, then show that.
'''
#print(f' - expofilessingle {filepath}')
if filepath =="" or filepath =="/":
return expofilesdir(request, settings.EXPOFILES, "")
fn=urlunquote(filepath)
fn = Path(settings.EXPOFILES,filepath)
if fn.is_dir():
return expofilesdir(request, Path(fn), Path(filepath))
if fn.is_file():
return HttpResponse(content=open(fn, "rb"),content_type=getmimetype(filepath)) # any file
else:
# not a file, so show parent directory - DANGER need to check this is limited to below expofiles
if Path(fn).parent == Path(settings.EXPOFILES).parent:
return expofilesdir(request, Path(settings.EXPOFILES), Path(filepath).parent)
else:
return expofilesdir(request, Path(fn).parent, Path(filepath).parent)
def expofilesdir(request, dirpath, filepath):
'''does a directory display. If there is an index.html file we should display that.
- dirpath is a full Path() resolved including local machine /expofiles/
- filepath is a Path() and it does not have /expofiles/ in it
'''
#print(f' - expofilesdir {dirpath} settings.EXPOFILESREMOTE: {settings.EXPOFILESREMOTE}')
if filepath:
urlpath = 'expofiles' / Path(filepath)
else:
urlpath = Path('expofiles')
try:
for f in dirpath.iterdir():
pass
except FileNotFoundError:
#print(f' - expofilesdir error {dirpath}')
return expofilesdir(request, dirpath.parent, filepath.parent)
fileitems = []
diritems = []
for f in dirpath.iterdir():
if f.is_dir():
diritems.append((urlpath / f.parts[-1], str(f.parts[-1])))
else:
# if f.parts[-1].lower() == 'index.htm' or f.parts[-1].lower() == 'index.html': # css cwd problem
# return HttpResponse(content=open(f, "rb"),content_type=getmimetype(filepath)) # any file
# return expofilessingle(request, str(Path(filepath / f.parts[-1])))
fileitems.append((Path(urlpath) / f.parts[-1], str(f.parts[-1]), getmimetype(f)))
return render(request, 'dirdisplay.html', { 'filepath': urlpath, 'fileitems':fileitems, 'diritems': diritems,'settings': settings })
def expowebpage(request, expowebpath, path):
'''Adds menus and serves an HTML page
'''
if not os.path.isfile(expowebpath / path):
# Should not get here if the path has suffix "_edit"
print(f' - 404 error in expowebpage() {path}')
return render(request, 'pagenotfound.html', {'path': path}, status="404")
# print(f' - {sys_getfilesystemencoding()=}')
if (sys_getfilesystemencoding() != "utf-8"):
return HttpResponse(default_head + '
UTF-8 Parsing Failure: Default file encoding on this Troggle installation is not UTF-8: failure detected in expowebpage in views.expo.py
Please Please reconfigure Debian/Apache/Django to fix this, i.e. contact Wookey. ","
BAD NON-UTF-8 characters here - ")
html = html.replace("\\n","\n")
html = html.replace("\\r","")
html = html.replace("\\t","\t")
html = html.replace("\\'","\'")
except:
return HttpResponse(default_head + '
UTF-8 Parsing Failure: Page could not be parsed using UTF-8: failure detected in expowebpage in views.expo.py
Please edit this :expoweb: page to replace dubious umlauts and £ symbols with correct HTML entities e.g. £;.