ArchiveBox/archivebox/core/views.py

__package__ = 'archivebox.core'

from io import StringIO
from contextlib import redirect_stdout

from django.shortcuts import render, redirect

from django.http import HttpResponse
from django.db.models import Q
from django.views import View, static
from django.views.generic.list import ListView
from django.views import View

from core.models import Snapshot
from core.utils import get_icons
from core.forms import AddLinkForm



from ..index import load_main_index, load_main_index_meta
from ..config import (
    OUTPUT_DIR,
    VERSION,
    FOOTER_INFO,
    PUBLIC_INDEX,
    PUBLIC_SNAPSHOTS,
    PUBLIC_ADD_VIEW
)
from main import add
from ..util import base_url, ansi_to_html


class MainIndex(View):
    template = 'main_index.html'

    def get(self, request):
        if request.user.is_authenticated:
            return redirect('/admin/core/snapshot/')

        if PUBLIC_INDEX:
            return redirect('public-index')
        
        return redirect(f'/admin/login/?next={request.path}')


class LinkDetails(View):
    def get(self, request, path):
        # missing trailing slash -> redirect to index
        if '/' not in path:
            return redirect(f'{path}/index.html')

        if not request.user.is_authenticated and not PUBLIC_SNAPSHOTS:
            return redirect(f'/admin/login/?next={request.path}')

        try:
            slug, archivefile = path.split('/', 1)
        except (IndexError, ValueError):
            slug, archivefile = path.split('/', 1)[0], 'index.html'

        all_pages = list(Snapshot.objects.all())

        # slug is a timestamp
        by_ts = {page.timestamp: page for page in all_pages}
        try:
            # print('SERVING STATICFILE', by_ts[slug].link_dir, request.path, path)
            response = static.serve(request, archivefile, document_root=by_ts[slug].link_dir, show_indexes=True)
            response["Link"] = f'<{by_ts[slug].url}>; rel="canonical"'
            return response
        except KeyError:
            pass

        # slug is a hash
        by_hash = {page.url_hash: page for page in all_pages}
        try:
            timestamp = by_hash[slug].timestamp
            return redirect(f'/archive/{timestamp}/{archivefile}')
        except KeyError:
            pass

        # slug is a URL
        by_url = {page.base_url: page for page in all_pages}
        try:
            # TODO: add multiple snapshot support by showing index of all snapshots
            # for given url instead of redirecting to timestamp index
            timestamp = by_url[base_url(path)].timestamp
            return redirect(f'/archive/{timestamp}/index.html')
        except KeyError:
            pass

        return HttpResponse(
            'No archived link matches the given timestamp or hash.',
            content_type="text/plain",
            status=404,
        )

class PublicArchiveView(ListView):
    template = 'snapshot_list.html'
    model = Snapshot
    paginate_by = 100

    def get_queryset(self, **kwargs): 
        qs = super().get_queryset(**kwargs) 
        query = self.request.GET.get('q')
        if query:
            qs = Snapshot.objects.filter(title__icontains=query)
        for snapshot in qs:
            snapshot.icons = get_icons(snapshot) 
        return qs

    def get(self, *args, **kwargs):
        if PUBLIC_INDEX or self.request.user.is_authenticated:
            response = super().get(*args, **kwargs)
            return response
        else:
            return redirect(f'/admin/login/?next={self.request.path}')


class AddView(View):
    extra_context = {'title': 'Add URLs'}

    def get(self, request, *args, **kwargs):
        if PUBLIC_ADD_VIEW or self.request.user.is_authenticated:
            self.extra_context['form'] = AddLinkForm()
            return render(template_name='add_links.html', request=request, context=self.extra_context)
        else:
            return redirect(f'/admin/login/?next={request.path}')

    def post(self, request, *args, **kwargs):
        form = AddLinkForm(request.POST)
        if form.is_valid():
            url = form.cleaned_data["url"]
            print(f'[+] Adding URL: {url}')
            depth = 0 if form.cleaned_data["depth"] == "0" else 1
            input_kwargs = {
                "urls": url,
                "depth": depth,
                "update_all": False,
                "out_dir": OUTPUT_DIR,
            }
            add_stdout = StringIO()
            with redirect_stdout(add_stdout):
                add(**input_kwargs)
                print(add_stdout.getvalue())

            self.extra_context.update({
                "stdout": ansi_to_html(add_stdout.getvalue().strip()),
                "form": AddLinkForm()
            })
        else:
            self.extra_context["form"] = form
        
        return render(template_name='add_links.html', request=request, context=self.extra_context)