mirror of
https://expo.survex.com/repositories/troggle/.git
synced 2024-11-26 17:21:52 +00:00
130 lines
5.4 KiB
Python
130 lines
5.4 KiB
Python
import os, stat
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import re
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from pathlib import Path
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from urllib.parse import urljoin, unquote as urlunquote
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from urllib.request import urlopen
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from django.conf import settings
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from django.shortcuts import render
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from django.http import HttpResponse, Http404
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from troggle.core.models.survex import Wallet, SingleScan, SurvexBlock, DrawingFile
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from troggle.core.views.expo import getmimetype
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import parsers.surveys
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'''Some of these views serve files as binary blobs, and simply set the mime type based on the file extension,
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as does the urls.py dispatcher which sends them here. Here they should actually have the filetype checked
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by looking inside the file before being served.
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need to check if inavlid query string is invalid, or produces multiple replies
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and render a user-friendly error page.
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'''
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def scanswallet(request, path):
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#print [ s.walletname for s in Wallet.objects.all() ]
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try:
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scansfolder = Wallet.objects.get(walletname=urlunquote(path))
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return render(request, 'scansfolder.html', { 'scansfolder':scansfolder, 'settings': settings })
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except:
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message = f'Scan folder error or not found \'{path}\' .'
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return render(request, 'errors/generic.html', {'message': message})
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def scansingle(request, path, file):
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'''sends a single binary file to the user for display - browser decides how using mimetype
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'''
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try:
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scansfolder = Wallet.objects.get(walletname=urlunquote(path))
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singlescan = SingleScan.objects.get(scansfolder=scansfolder, name=file)
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# print(" - scansingle {}:{}:{}:".format(path, file, getmimetype(file)))
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return HttpResponse(content=open(singlescan.ffile,"rb"), content_type=getmimetype(file)) # any type of image
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except:
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message = f'Scan folder or scan item error or not found \'{path}\' and \'{file}\'.'
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return render(request, 'errors/generic.html', {'message': message})
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def scanswallets(request):
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manyscansfolders = Wallet.objects.all()
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return render(request, 'manyscansfolders.html', { 'manyscansfolders':manyscansfolders, 'settings': settings })
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def dwgdata(request):
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'''Report on all the drawing files in the system. These were loaded by parsing the entire directory tree
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'''
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dwgfiles = DrawingFile.objects.all()
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return render(request, 'dwgfiles.html', { 'dwgfiles':dwgfiles, 'settings': settings })
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def dwgfilesingle(request, path):
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'''sends a single binary file to the user, We should have a renderer that syntax-colours this Tunnel xml
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but it might be a Therion file
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'''
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try:
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dwgfile = DrawingFile.objects.get(dwgpath=urlunquote(path))
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except:
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message = f'Drawing file error or not found \'{path}\' .'
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return render(request, 'errors/generic.html', {'message': message})
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tfile = Path(settings.DRAWINGS_DATA, dwgfile.dwgpath)
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try: # for display not download
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return HttpResponse(content=open(tfile, errors='strict'), content_type="text/xhtml")
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except UnicodeDecodeError:
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try:
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return HttpResponse(content=open(tfile,encoding='iso-8859-1'), content_type="text/xhtml")
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except:
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return HttpResponse(content=open(tfile,mode='rb'), content_type="text/xhtml")
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else:
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return HttpResponse(content=open(tfile, errors='ignore'), content_type="text/xhtml")
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else:
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return HttpResponse(content="Unable to understand the encoding for this file: not UTF-8 nor iso-8859-1, or some other read error happened.")
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def dwgfileupload(request, path):
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'''uploads a drawing file, but where is the Form? This just processes POST info. Apparently unfinished?
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'''
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try:
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dwgfile = DrawingFile.objects.get(dwgpath=urlunquote(path)) # need to check if inavlid query string and produce friendly error
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except:
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message = f'Drawing file error or not found \'{path}\' .'
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return render(request, 'errors/generic.html', {'message': message})
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tfile = Path(settings.DRAWINGS_DATA, dwgfile.dwgpath)
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project, user, password, tunnelversion = request.POST["tunnelproject"], request.POST["tunneluser"], request.POST["tunnelpassword"], request.POST["tunnelversion"]
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print(project, user, tunnelversion)
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if not (len(list(request.FILES.values())) == 1): # "only one file to upload"
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return HttpResponse(content="Error: more than one file selected for upload", content_type="text/plain")
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uploadedfile = list(request.FILES.values())[0]
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if uploadedfile.field_name != "sketch":
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return HttpResponse(content="Error: non-sketch file uploaded", content_type="text/plain")
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if uploadedfile.content_type != "text/plain":
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return HttpResponse(content="Error: non-plain content type", content_type="text/plain")
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# could use this to add new files
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if os.path.split(path)[1] != uploadedfile.name:
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return HttpResponse(content="Error: name disagrees", content_type="text/plain")
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orgsize = dwgfile.filesize # = os.stat(tfile)[stat.ST_SIZE]
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ttext = uploadedfile.read()
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# could check that the user and projects agree here
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fout = open(tfile, "w")
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fout.write(ttext)
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fout.close()
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# redo its settings of
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parsers.surveys.SetTunnelfileInfo(dwgfile) # commented out
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dwgfile.save()
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uploadedfile.close()
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message = "File size %d overwritten with size %d" % (orgsize, dwgfile.filesize)
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return HttpResponse(content=message, content_type="text/plain")
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