mirror of
https://expo.survex.com/repositories/troggle/.git
synced 2024-11-29 21:31:54 +00:00
362 lines
18 KiB
Python
362 lines
18 KiB
Python
import os
|
|
import re
|
|
import subprocess
|
|
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
|
|
|
|
'''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 = '''<head>
|
|
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
|
|
<title>CUCC Expedition - index</title>
|
|
<link rel="stylesheet" type="text/css" href="../css/main2.css" />
|
|
<link rel="stylesheet" type="text/css" href="../../css/main2.css" />
|
|
<link rel="stylesheet" type="text/css" href="../../../css/main2.css" />
|
|
</head>
|
|
<body>
|
|
<h1>Expo</h1>
|
|
<h2 id="tophead">CUCC Expedition</h2>
|
|
|
|
<ul id="links">
|
|
<li><a href="/index.htm">Home</a></li>
|
|
<li><a href="/infodx.htm">Main Index</a></li>
|
|
<li><a href="/handbook/index.htm">Handbook</a></li>
|
|
<li><a href="/handbook/computing/onlinesystems.html">Online systems</a></li>
|
|
<li><a href="/pubs.htm">Reports</a></li>
|
|
<li><a href="/areas.htm">Areas</a></li>
|
|
<li><a href="/caves">Caves</a></li>
|
|
<li><a href="/expedition/2019">Troggle</a></li>
|
|
<li><form name=P method=get action="/search" target="_top">
|
|
<input id="omega-autofocus" type=search name=P size=8 autofocus>
|
|
<input type=submit value="Search"></li>
|
|
</ul>''' # 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 Path(expowebpath / path).is_file():
|
|
# 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")
|
|
|
|
with open(os.path.normpath(expowebpath / path), "r") as o:
|
|
html = o.read()
|
|
|
|
m = re.search(r'(.*)<\s*head([^>]*)>(.*)<\s*/head\s*>(.*)<\s*body([^>]*)>(.*)<\s*/body\s*>(.*)', html, re.DOTALL + re.IGNORECASE)
|
|
if m:
|
|
preheader, headerattrs, head, postheader, bodyattrs, body, postbody = m.groups()
|
|
else:
|
|
return HttpResponse(default_head + html + '<h3>HTML Parsing failure:<br>Page could not be parsed into header and body:<br>failure detected in expowebpage in views.expo.py</h3> Please edit this <var>:expoweb:</var> page to be in the expected full HTML format </body' )
|
|
m = re.search(r"<title>(.*)</title>", head, re.DOTALL + re.IGNORECASE)
|
|
if m:
|
|
title, = m.groups()
|
|
else:
|
|
title = ""
|
|
m = re.search(r"^<meta([^>]*)noedit", head, re.DOTALL + re.IGNORECASE)
|
|
if m:
|
|
editable = False
|
|
else:
|
|
editable = os.access(Path(expowebpath / path), os.W_OK) # are file permissions writeable?
|
|
|
|
has_menu = False
|
|
menumatch = re.match(r'(.*)<div id="menu">', body, re.DOTALL + re.IGNORECASE)
|
|
if menumatch:
|
|
has_menu = True
|
|
menumatch = re.match(r'(.*)<ul id="links">', body, re.DOTALL + re.IGNORECASE)
|
|
if menumatch:
|
|
has_menu = True
|
|
return render(request, 'expopage.html', {'editable': editable, 'path': path, 'title': title,
|
|
'body': body, 'homepage': (path == "index.htm"), 'has_menu': has_menu})
|
|
|
|
def mediapage(request, subpath=None, doc_root=None):
|
|
'''This is for special prefix paths /photos/ /site_media/, /static/ etc.
|
|
as defined in urls.py . If given a directory, gives a failure page.
|
|
'''
|
|
#print(" - XXXXX_ROOT: {} ...{}".format(doc_root, subpath))
|
|
if doc_root is not None:
|
|
filetobeopened = Path(doc_root, subpath)
|
|
if filetobeopened.is_dir():
|
|
return render(request, 'nodirlist.html', {'path': subpath})
|
|
try:
|
|
return HttpResponse(content=open(filetobeopened, "rb"), content_type=getmimetype(subpath))
|
|
except IOError:
|
|
return render(request, 'pagenotfound.html', {'path': subpath}, status="404")
|
|
else:
|
|
return render(request, 'pagenotfound.html', {'path': subpath}, status="404")
|
|
|
|
|
|
|
|
def expopage(request, path):
|
|
'''Either renders an HTML page from expoweb with all the menus,
|
|
or serves an unadorned binary file with mime type
|
|
'''
|
|
#print(" - EXPOPAGES delivering the file: '{}':{} as MIME type: {}".format(request.path, path,getmimetype(path)),flush=True)
|
|
|
|
if path.startswith("noinfo") and settings.PUBLIC_SITE and not request.user.is_authenticated:
|
|
return HttpResponseRedirect(urljoin(reverse("auth_login"),'?next={}'.format(request.path)))
|
|
|
|
if path.startswith("admin/"):
|
|
# don't even attempt to handle these sorts of mistakes
|
|
return HttpResponseRedirect("/admin/")
|
|
|
|
expowebpath = Path(settings.EXPOWEB)
|
|
|
|
if path == "":
|
|
return expowebpage(request, expowebpath, "index.htm")
|
|
|
|
if path.endswith(".htm") or path.endswith(".html"):
|
|
return expowebpage(request, expowebpath, path)
|
|
|
|
if Path(expowebpath / path ).is_dir():
|
|
for p in ["index.html", "index.htm"]:
|
|
if (expowebpath / path / p).is_file():
|
|
# This needs to reset the path to the new subdirectory
|
|
return HttpResponseRedirect('/'+str(Path(path) / p))
|
|
return render(request, 'pagenotfound.html', {'path': Path(path) / "index.html"}, status="404")
|
|
|
|
if path.endswith("/"):
|
|
# we already know it is not a directory.
|
|
# the final / may have been appended by middleware if there was no page without it
|
|
# do not redirect to a file path without the slash as we may get in a loop. Let the user fix it:
|
|
return render(request, 'dirnotfound.html', {'path': path, 'subpath': path[0:-1]})
|
|
|
|
# So it must be a file in /expoweb/ but not .htm or .html probably an image
|
|
filetobeopened = os.path.normpath(expowebpath / path)
|
|
|
|
try:
|
|
return HttpResponse(content=open(filetobeopened, "rb"), content_type=getmimetype(path))
|
|
except IOError:
|
|
return render(request, 'pagenotfound.html', {'path': path}, status="404")
|
|
|
|
|
|
|
|
def getmimetype(path):
|
|
'''Our own version rather than relying on what is provided by the python library. Note that when
|
|
Apache or nginx is used to deliver /expofiles/ it will use it's own idea of mimetypes and
|
|
not these.
|
|
'''
|
|
path = str(path)
|
|
if path.lower().endswith(".css"): return "text/css"
|
|
if path.lower().endswith(".txt"): return "text/css"
|
|
if path.lower().endswith(".js"): return "application/javascript"
|
|
if path.lower().endswith(".json"): return "application/javascript"
|
|
if path.lower().endswith(".ico"): return "image/vnd.microsoft.icon"
|
|
if path.lower().endswith(".png"): return "image/png"
|
|
if path.lower().endswith(".tif"): return "image/tif"
|
|
if path.lower().endswith(".gif"): return "image/gif"
|
|
if path.lower().endswith(".jpeg"): return "image/jpeg"
|
|
if path.lower().endswith(".jpg"): return "image/jpeg"
|
|
if path.lower().endswith("svg"): return "image/svg+xml"
|
|
if path.lower().endswith("xml"): return "application/xml" # we use "text/xhtml" for tunnel files
|
|
if path.lower().endswith(".pdf"): return "application/pdf"
|
|
if path.lower().endswith(".ps"): return "application/postscript"
|
|
if path.lower().endswith(".svx"): return "application/x-survex-svx"
|
|
if path.lower().endswith(".3d"): return "application/x-survex-3d"
|
|
if path.lower().endswith(".pos"): return "application/x-survex-pos"
|
|
if path.lower().endswith(".err"): return "application/x-survex-err"
|
|
if path.lower().endswith(".odt"): return "application/vnd.oasis.opendocument.text"
|
|
if path.lower().endswith(".ods"): return "application/vnd.oasis.opendocument.spreadsheet"
|
|
if path.lower().endswith(".docx"): return "application/vnd.openxmlformats-officedocument.wordprocessingml.document"
|
|
if path.lower().endswith(".xslx"): return "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
|
|
if path.lower().endswith(".gz"): return "application/x-7z-compressed"
|
|
if path.lower().endswith(".7z"): return "application/x-7z-compressed"
|
|
if path.lower().endswith(".zip"): return "application/zip"
|
|
return ""
|
|
|
|
@login_required_if_public
|
|
@ensure_csrf_cookie
|
|
def editexpopage(request, path):
|
|
'''Manages the 'Edit this Page' capability for expo handbook and other html pages.
|
|
Relies on HTML5 or javascript to provide the in-browser editing environment.
|
|
'''
|
|
try:
|
|
# if a cave not a webpage at all.
|
|
r = Cave.objects.get(url = path)
|
|
return troggle.core.views.caves.editCave(request, r.cave.slug)
|
|
except Cave.DoesNotExist:
|
|
pass
|
|
|
|
try:
|
|
filepath = Path(settings.EXPOWEB) / path
|
|
o = open(filepath, "r")
|
|
html = o.read()
|
|
autogeneratedmatch = re.search(r"\<\!--\s*(.*?(Do not edit|It is auto-generated).*?)\s*--\>", html, re.DOTALL + re.IGNORECASE)
|
|
if autogeneratedmatch:
|
|
return HttpResponse(autogeneratedmatch.group(1))
|
|
m = re.search(r"(.*)<head([^>]*)>(.*)</head>(.*)<body([^>]*)>(.*)</body>(.*)", html, re.DOTALL + re.IGNORECASE)
|
|
if m:
|
|
filefound = True
|
|
preheader, headerargs, head, postheader, bodyargs, body, postbody = m.groups()
|
|
linksmatch = re.match(r'(.*)(<ul\s+id="links">.*)', body, re.DOTALL + re.IGNORECASE)
|
|
if linksmatch:
|
|
body, links = linksmatch.groups()
|
|
# if re.search(r"iso-8859-1", html):
|
|
# body = str(body, "iso-8859-1")
|
|
else:
|
|
return HttpResponse(default_head + html + '<h3>HTML Parsing failure:<br>Page could not be parsed into header and body:<br>failure detected in expowebpage in views.expo.py</h3> Please edit this <var>:expoweb:</var> page to be in the expected full HTML format .</body' )
|
|
except IOError:
|
|
print("### File not found ### ", filepath)
|
|
filefound = False
|
|
|
|
|
|
if request.method == 'POST': # If the form has been submitted...
|
|
pageform = ExpoPageForm(request.POST) # A form bound to the POST data
|
|
if pageform.is_valid():# Form valid therefore write file
|
|
print("### \n", str(pageform)[0:300])
|
|
print("### \n csrfmiddlewaretoken: ",request.POST['csrfmiddlewaretoken'])
|
|
if filefound:
|
|
headmatch = re.match(r"(.*)<title>.*</title>(.*)", head, re.DOTALL + re.IGNORECASE)
|
|
if headmatch:
|
|
head = headmatch.group(1) + "<title>" + pageform.cleaned_data["title"] + "</title>" + headmatch.group(2)
|
|
else:
|
|
head = "<title>" + pageform.cleaned_data["title"] + "</title>"
|
|
else:
|
|
head = "<title>" + pageform.cleaned_data["title"] + "</title>"
|
|
preheader = "<html>"
|
|
headerargs = ""
|
|
postheader = ""
|
|
bodyargs = ""
|
|
postbody = "</html>\n"
|
|
body = pageform.cleaned_data["html"]
|
|
body = body.replace("\r", "")
|
|
result = "%s<head%s>%s</head>%s<body%s>\n%s</body>%s" % (preheader, headerargs, head, postheader, bodyargs, body, postbody)
|
|
|
|
cwd = filepath.parent
|
|
filename = filepath.name
|
|
git = settings.GIT
|
|
# GIT see also core/models/cave.py writetrogglefile()
|
|
# GIT see also core/views/uploads.py dwgupload()
|
|
try:
|
|
with open(filepath, "w") as f:
|
|
print(f'WRITING{cwd}---{filename} ')
|
|
# as the wsgi process www-data, we have group write-access but are not owner, so cannot chmod.
|
|
# os.chmod(filepath, 0o664) # set file permissions to rw-rw-r--
|
|
f.write(result)
|
|
except PermissionError:
|
|
message = f'CANNOT save this file.\nPERMISSIONS incorrectly set on server for this file {filename}. Ask a nerd to fix this.'
|
|
return render(request,'errors/generic.html', {'message': message})
|
|
|
|
try:
|
|
cp_add = subprocess.run([git, "add", filename], cwd=cwd, capture_output=True, text=True)
|
|
if cp_add.returncode != 0:
|
|
msgdata = 'Ask a nerd to fix this.\n\n' + cp_add.stderr + '\n\n' + cp_add.stdout + '\n\nreturn code: ' + str(cp_add.returncode)
|
|
message = f'CANNOT git on server for this file {filename}. Edits saved but not added to git.\n\n' + msgdata
|
|
return render(request,'errors/generic.html', {'message': message})
|
|
|
|
cp_commit = subprocess.run([git, "commit", "-m", f'Troggle online: Edit this page - {filename}'], cwd=cwd, capture_output=True, text=True)
|
|
# This produces return code = 1 if it commits OK, but when the repo still needs to be pushed to origin/expoweb
|
|
if cp_commit.returncode != 0 and cp_commit.stdout != 'nothing to commit, working tree clean':
|
|
msgdata = 'Ask a nerd to fix this.\n\n' + cp_commit.stderr + '\n\n' + cp_commit.stdout + '\n\nreturn code: ' + str(cp_commit.returncode)
|
|
message = f'Error code with git on server for this file {filename}. Edits saved, added to git, but NOT committed.\n\n' + msgdata
|
|
return render(request,'errors/generic.html', {'message': message})
|
|
|
|
except subprocess.SubprocessError:
|
|
message = f'CANNOT git on server for this file {filename}. Subprocess error. Edits not saved.\nAsk a nerd to fix this.'
|
|
return render(request,'errors/generic.html', {'message': message})
|
|
|
|
return HttpResponseRedirect(reverse('expopage', args=[path])) # Redirect after POST
|
|
else:
|
|
if filefound:
|
|
m = re.search(r"<title>(.*)</title>", head, re.DOTALL + re.IGNORECASE)
|
|
if m:
|
|
title, = m.groups()
|
|
else:
|
|
title = ""
|
|
pageform = ExpoPageForm({"html": body, "title": title})
|
|
else:
|
|
body = "### File not found ###\n" + str(filepath)
|
|
pageform = ExpoPageForm({"html": body, "title": "Missing"})
|
|
return render(request, 'editexpopage.html', {'path': path, 'form': pageform, })
|
|
|
|
class ExpoPageForm(forms.Form):
|
|
'''The form used by the editexpopage function
|
|
'''
|
|
title = forms.CharField(widget=forms.TextInput(attrs={'size':'60'}))
|
|
html = forms.CharField(widget=forms.Textarea(attrs={"cols":80, "rows":20}))
|