ArchiveBox/archivebox/core/views.py

291 lines
12 KiB
Python

__package__ = 'archivebox.core'
from io import StringIO
from contextlib import redirect_stdout
from django.shortcuts import render, redirect
from django.http import HttpResponse, Http404
from django.utils.html import format_html, mark_safe
from django.views import View, static
from django.views.generic.list import ListView
from django.views.generic import FormView
from django.db.models import Q
from django.contrib.auth.mixins import UserPassesTestMixin
from core.models import Snapshot
from core.forms import AddLinkForm
from ..config import (
OUTPUT_DIR,
PUBLIC_INDEX,
PUBLIC_SNAPSHOTS,
PUBLIC_ADD_VIEW,
VERSION,
FOOTER_INFO,
SNAPSHOTS_PER_PAGE,
)
from main import add
from ..util import base_url, ansi_to_html
from ..index.html import snapshot_icons
class HomepageView(View):
def get(self, request):
if request.user.is_authenticated:
return redirect('/admin/core/snapshot/')
if PUBLIC_INDEX:
return redirect('/public')
return redirect(f'/admin/login/?next={request.path}')
class SnapshotView(View):
# render static html index from filesystem archive/<timestamp>/index.html
def get(self, request, path):
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'
# slug is a timestamp
if slug.replace('.','').isdigit():
# missing trailing slash -> redirect to index
if '/' not in path:
return redirect(f'{path}/index.html')
try:
try:
snapshot = Snapshot.objects.get(Q(timestamp=slug) | Q(id__startswith=slug))
response = static.serve(request, archivefile, document_root=snapshot.link_dir, show_indexes=True)
response["Link"] = f'<{snapshot.url}>; rel="canonical"'
return response
except Snapshot.DoesNotExist:
if Snapshot.objects.filter(timestamp__startswith=slug).exists():
raise Snapshot.MultipleObjectsReturned
else:
raise
except Snapshot.DoesNotExist:
# Snapshot does not exist
return HttpResponse(
format_html(
(
'<center><br/><br/><br/>'
'No Snapshot directories match the given timestamp or UUID: <code>{}</code><br/><br/>'
'You can <a href="/add/" target="_top">add a new Snapshot</a>, or return to the <a href="/" target="_top">Main Index</a>'
'</center>'
),
slug,
path,
),
content_type="text/html",
status=404,
)
except Snapshot.MultipleObjectsReturned:
snapshot_hrefs = mark_safe('<br/>').join(
format_html(
'{} <a href="/archive/{}/index.html"><b><code>{}</code></b></a> {} <b>{}</b>',
snap.added.strftime('%Y-%m-%d %H:%M:%S'),
snap.timestamp,
snap.timestamp,
snap.url,
snap.title or '',
)
for snap in Snapshot.objects.filter(timestamp__startswith=slug).only('url', 'timestamp', 'title', 'added').order_by('-added')
)
return HttpResponse(
format_html(
(
'Multiple Snapshots match the given timestamp/UUID <code>{}</code><br/><pre>'
),
slug,
) + snapshot_hrefs + format_html(
(
'</pre><br/>'
'Choose a Snapshot to proceed or go back to the <a href="/" target="_top">Main Index</a>'
)
),
content_type="text/html",
status=404,
)
except Http404:
# Snapshot dir exists but file within does not e.g. 124235.324234/screenshot.png
return HttpResponse(
format_html(
(
'<center><br/><br/><br/>'
f'Snapshot <a href="/archive/{snapshot.timestamp}/index.html" target="_top"><b><code>[{snapshot.timestamp}]</code></b></a> exists in DB, but resource <b><code>{snapshot.timestamp}/'
'{}'
f'</code></b> does not exist in <a href="/archive/{snapshot.timestamp}/" target="_top">snapshot dir</a> yet.<br/><br/>'
'Maybe this resource type is not availabe for this Snapshot,<br/>or the archiving process has not completed yet?<br/>'
f'<pre><code># run this cmd to finish archiving this Snapshot<br/>archivebox update -t timestamp {snapshot.timestamp}</code></pre><br/><br/>'
'<div class="text-align: left; width: 100%; max-width: 400px">'
'<i><b>Next steps:</i></b><br/>'
f'- list all the <a href="/archive/{snapshot.timestamp}/" target="_top">Snapshot files <code>.*</code></a><br/>'
f'- view the <a href="/archive/{snapshot.timestamp}/index.html" target="_top">Snapshot <code>./index.html</code></a><br/>'
f'- go to the <a href="/admin/core/snapshot/{snapshot.id}/change/" target="_top">Snapshot admin</a> to edit<br/>'
f'- go to the <a href="/admin/core/snapshot/?id__startswith={snapshot.id}" target="_top">Snapshot actions</a> to re-archive<br/>'
'- or return to <a href="/" target="_top">the main index...</a></div>'
'</center>'
),
archivefile,
),
content_type="text/html",
status=404,
)
# slug is a URL
try:
try:
# try exact match on full url first
snapshot = Snapshot.objects.get(
Q(url='http://' + path) | Q(url='https://' + path) | Q(id__startswith=path)
)
except Snapshot.DoesNotExist:
# fall back to match on exact base_url
try:
snapshot = Snapshot.objects.get(
Q(url='http://' + base_url(path)) | Q(url='https://' + base_url(path))
)
except Snapshot.DoesNotExist:
# fall back to matching base_url as prefix
snapshot = Snapshot.objects.get(
Q(url__startswith='http://' + base_url(path)) | Q(url__startswith='https://' + base_url(path))
)
return redirect(f'/archive/{snapshot.timestamp}/index.html')
except Snapshot.DoesNotExist:
return HttpResponse(
format_html(
(
'<center><br/><br/><br/>'
'No Snapshots match the given url: <code>{}</code><br/><br/><br/>'
'Return to the <a href="/" target="_top">Main Index</a>, or:<br/><br/>'
'+ <i><a href="/add/?url={}" target="_top">Add a new Snapshot for <code>{}</code></a><br/><br/></i>'
'</center>'
),
base_url(path),
path if '://' in path else f'https://{path}',
path,
),
content_type="text/html",
status=404,
)
except Snapshot.MultipleObjectsReturned:
snapshot_hrefs = mark_safe('<br/>').join(
format_html(
'{} <a href="/archive/{}/index.html"><b><code>{}</code></b></a> {} <b>{}</b>',
snap.added.strftime('%Y-%m-%d %H:%M:%S'),
snap.timestamp,
snap.timestamp,
snap.url,
snap.title or '',
)
for snap in Snapshot.objects.filter(
Q(url__startswith='http://' + base_url(path)) | Q(url__startswith='https://' + base_url(path))
).only('url', 'timestamp', 'title', 'added').order_by('-added')
)
return HttpResponse(
format_html(
(
'Multiple Snapshots match the given URL <code>{}</code><br/><pre>'
),
base_url(path),
) + snapshot_hrefs + format_html(
(
'</pre><br/>'
'Choose a Snapshot to proceed or go back to the <a href="/" target="_top">Main Index</a>'
)
),
content_type="text/html",
status=404,
)
class PublicIndexView(ListView):
template_name = 'public_index.html'
model = Snapshot
paginate_by = SNAPSHOTS_PER_PAGE
ordering = ['title']
def get_context_data(self, **kwargs):
return {
**super().get_context_data(**kwargs),
'VERSION': VERSION,
'FOOTER_INFO': FOOTER_INFO,
}
def get_queryset(self, **kwargs):
qs = super().get_queryset(**kwargs)
query = self.request.GET.get('q')
if query:
qs = qs.filter(Q(title__icontains=query) | Q(url__icontains=query) | Q(timestamp__icontains=query) | Q(tags__name__icontains=query))
for snapshot in qs:
# lazy load snapshot icons, otherwise it will load icons for entire index at once
snapshot.icons = lambda: snapshot_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(UserPassesTestMixin, FormView):
template_name = "add.html"
form_class = AddLinkForm
def get_initial(self):
"""Prefill the AddLinkForm with the 'url' GET parameter"""
if self.request.method == 'GET':
url = self.request.GET.get('url', None)
if url:
return {'url': url if '://' in url else f'https://{url}'}
return super().get_initial()
def test_func(self):
return PUBLIC_ADD_VIEW or self.request.user.is_authenticated
def get_context_data(self, **kwargs):
return {
**super().get_context_data(**kwargs),
'title': "Add URLs",
# We can't just call request.build_absolute_uri in the template, because it would include query parameters
'absolute_add_path': self.request.build_absolute_uri(self.request.path),
'VERSION': VERSION,
'FOOTER_INFO': FOOTER_INFO,
'stdout': '',
}
def form_valid(self, form):
url = form.cleaned_data["url"]
print(f'[+] Adding URL: {url}')
depth = 0 if form.cleaned_data["depth"] == "0" else 1
extractors = ','.join(form.cleaned_data["archive_methods"])
input_kwargs = {
"urls": url,
"depth": depth,
"update_all": False,
"out_dir": OUTPUT_DIR,
}
if extractors:
input_kwargs.update({"extractors": extractors})
add_stdout = StringIO()
with redirect_stdout(add_stdout):
add(**input_kwargs)
print(add_stdout.getvalue())
context = self.get_context_data()
context.update({
"stdout": ansi_to_html(add_stdout.getvalue().strip()),
"form": AddLinkForm()
})
return render(template_name=self.template_name, request=self.request, context=context)