Report function and admin

16 files changed, 615 insertions, 4 deletions

diff --git a/activities/models/post.py b/activities/models/post.py
index d6914c9..553118a 100644
--- a/activities/models/post.py
+++ b/activities/models/post.py
@@ -251,6 +251,7 @@ class Post(StatorModel):
         action_unboost = "{view}unboost/"
         action_delete = "{view}delete/"
         action_edit = "{view}edit/"
+        action_report = "{view}report/"
         action_reply = "/compose/?reply_to={self.id}"
         admin_edit = "/djadmin/activities/post/{self.id}/change/"
 
diff --git a/static/css/style.css b/static/css/style.css
index f525857..68efbdc 100644
--- a/static/css/style.css
+++ b/static/css/style.css
@@ -709,7 +709,9 @@ button,
 }
 
 button.delete,
-.button.delete {
+.button.delete,
+button.danger,
+.button.danger {
     background: var(--color-delete);
 }
 
@@ -833,6 +835,20 @@ table.metadata th {
     font-weight: bold;
 }
 
+table.buttons {
+    margin: -10px 0 10px 0;
+    text-align: left;
+}
+
+table.buttons th {
+    padding: 5px 20px 5px 0;
+    text-align: center;
+}
+
+table.buttons th button {
+    width: 100%;
+}
+
 .stats {
     margin: 0 0 20px 0;
 }
diff --git a/takahe/urls.py b/takahe/urls.py
index 6ae0c88..d3572a9 100644
--- a/takahe/urls.py
+++ b/takahe/urls.py
@@ -7,7 +7,7 @@ from api.views import api_router, oauth
 from core import views as core
 from mediaproxy import views as mediaproxy
 from stator import views as stator
-from users.views import activitypub, admin, auth, identity, settings
+from users.views import activitypub, admin, auth, identity, report, settings
 
 urlpatterns = [
     path("", core.homepage),
@@ -115,6 +115,16 @@ urlpatterns = [
         name="admin_identity_edit",
     ),
     path(
+        "admin/reports/",
+        admin.ReportsRoot.as_view(),
+        name="admin_reports",
+    ),
+    path(
+        "admin/reports/<id>/",
+        admin.ReportView.as_view(),
+        name="admin_report_view",
+    ),
+    path(
         "admin/invites/",
         admin.Invites.as_view(),
         name="admin_invites",
@@ -147,6 +157,7 @@ urlpatterns = [
     path("@<handle>/inbox/", activitypub.Inbox.as_view()),
     path("@<handle>/action/", identity.ActionIdentity.as_view()),
     path("@<handle>/rss/", identity.IdentityFeed()),
+    path("@<handle>/report/", report.SubmitReport.as_view()),
     # Posts
     path("compose/", compose.Compose.as_view(), name="compose"),
     path(
@@ -160,6 +171,7 @@ urlpatterns = [
     path("@<handle>/posts/<int:post_id>/boost/", posts.Boost.as_view()),
     path("@<handle>/posts/<int:post_id>/unboost/", posts.Boost.as_view(undo=True)),
     path("@<handle>/posts/<int:post_id>/delete/", posts.Delete.as_view()),
+    path("@<handle>/posts/<int:post_id>/report/", report.SubmitReport.as_view()),
     path("@<handle>/posts/<int:post_id>/edit/", compose.Compose.as_view()),
     # Authentication
     path("auth/login/", auth.Login.as_view(), name="login"),
diff --git a/templates/activities/_post.html b/templates/activities/_post.html
index 5d75b78..990e457 100644
--- a/templates/activities/_post.html
+++ b/templates/activities/_post.html
@@ -37,6 +37,9 @@
             <a href="{{ post.urls.view }}" role="menuitem">
                 <i class="fa-solid fa-comment"></i> View Post &amp; Replies
             </a>
+            <a href="{{ post.urls.action_report }}" role="menuitem">
+                <i class="fa-solid fa-flag"></i> Report
+            </a>
             {% if post.author == request.identity %}
             <a href="{{ post.urls.action_edit }}" role="menuitem">
                 <i class="fa-solid fa-pen-to-square"></i> Edit
diff --git a/templates/admin/report_view.html b/templates/admin/report_view.html
new file mode 100644
index 0000000..c9819b4
--- /dev/null
+++ b/templates/admin/report_view.html
@@ -0,0 +1,84 @@
+{% extends "settings/base.html" %}
+
+{% block subtitle %}Report {{ report.pk }}{% endblock %}
+
+{% block content %}
+    <form action="." method="POST">
+        {% csrf_token %}
+        <fieldset>
+            <legend>Report</legend>
+            <label>Report about</label>
+            {% if report.subject_post %}
+                {% include "activities/_mini_post.html" with post=report.subject_post %}
+            {% else %}
+                {% include "activities/_identity.html" with identity=report.subject_identity %}
+            {% endif %}
+            <label>Reported by</label>
+            {% if report.source_identity %}
+                {% include "activities/_identity.html" with identity=report.source_identity %}
+            {% else %}
+                <p>Remote server {{ report.source_domain.domain }}</p>
+            {% endif %}
+            <label>Complaint</label>
+            <p>{{ report.complaint|linebreaks }}</p>
+            {% if report.resolved %}
+                <label>Resolved</label>
+                <p>
+                    {{ report.resolved|timesince }} ago by
+                    <a href="{{ report.moderator.urls.view }}">{{ report.moderator.name_or_handle }}</a>
+                </p>
+            {% endif %}
+        </fieldset>
+        <fieldset>
+            <legend>Moderator Notes</legend>
+            {% include "forms/_field.html" with field=form.notes %}
+        </fieldset>
+        <fieldset>
+            <legend>Resolution Options</legend>
+            <table class="buttons">
+                <tr>
+                    {% if report.resolved and report.valid %}
+                        <th><button disabled="true">Resolve Valid</button></th>
+                        <td>Report is already resolved as valid</td>
+                    {% else %}
+                        <th><button name="valid">Resolve Valid</button></th>
+                        <td>Mark report against the identity but take no further action</td>
+                    {% endif %}
+                </tr>
+                <tr>
+                    {% if report.resolved and not report.valid %}
+                        <th><button disabled="true">Resolve Invalid</button></th>
+                        <td>Report is already resolved as invalid</td>
+                    {% else %}
+                        <th><button name="invalid">Resolve Invalid</button></th>
+                        <td>Mark report as invalid and take no action</td>
+                    {% endif %}
+                </tr>
+                <tr>
+                    {% if report.subject_identity.limited %}
+                        <th><button class="danger" disabled="true">Limit</button></th>
+                        <td>User is already limited</td>
+                    {% else %}
+                        <th><button class="danger" name="limit">Limit</button></th>
+                        <td>Make them less visible on this server</td>
+                    {% endif %}
+                </tr>
+                <tr>
+                    {% if report.subject_identity.blocked %}
+                        <th><button class="danger" disabled="true">Block</button></th>
+                        <td>User is already blocked</td>
+                    {% else %}
+                        <th><button class="danger" name="block">Block</button></th>
+                        <td>Remove their existence entirely from this server</td>
+                    {% endif %}
+                </tr>
+            </table>
+        </fieldset>
+        <div class="buttons">
+            <a href="{{ report.urls.admin }}" class="button secondary left">Back</a>
+            <a href="{{ report.subject_identity.urls.view }}" class="button secondary">View Profile</a>
+            <a href="{{ report.subject_identity.urls.admin_edit }}" class="button secondary">Identity Admin</a>
+            <button>Save Notes</button>
+        </div>
+    </form>
+{% endblock %}
diff --git a/templates/admin/reports.html b/templates/admin/reports.html
new file mode 100644
index 0000000..1634443
--- /dev/null
+++ b/templates/admin/reports.html
@@ -0,0 +1,43 @@
+{% extends "settings/base.html" %}
+{% load activity_tags %}
+
+{% block subtitle %}Reports{% endblock %}
+
+{% block content %}
+    <div class="view-options">
+        {% if all %}
+            <a href="." class="selected"><i class="fa-solid fa-check"></i> Show Resolved</a>
+        {% else %}
+            <a href=".?all=true"><i class="fa-solid fa-xmark"></i> Show Resolved</a>
+        {% endif %}
+    </div>
+    <section class="icon-menu">
+        {% for report in page_obj %}
+            <a class="option" href="{{ report.urls.admin_view }}">
+                <img src="{{ report.subject_identity.local_icon_url.relative }}" class="icon" alt="Avatar for {{ report.subject_identity.name_or_handle }}">
+                <span class="handle">
+                    {{ report.subject_identity.html_name_or_handle }}
+                    {% if report.subject_post %}
+                        (post {{ report.subject_post.pk }})
+                    {% endif %}
+                    <small>
+                        {{ report.type|title }}
+                    </small>
+                </span>
+                <time>{{ report.created|timedeltashort }} ago</time>
+            </a>
+        {% empty %}
+            <p class="option empty">
+                There are no {% if all %}reports yet{% else %}unresolved reports{% endif %}.
+            </p>
+        {% endfor %}
+        <div class="load-more">
+            {% if page_obj.has_previous %}
+                <a class="button" href=".?page={{ page_obj.previous_page_number }}{% if all %}&amp;all=true{% endif %}">Previous Page</a>
+            {% endif %}
+            {% if page_obj.has_next %}
+                <a class="button" href=".?page={{ page_obj.next_page_number }}{% if all %}&amp;all=true{% endif %}">Next Page</a>
+            {% endif %}
+        </div>
+    </section>
+{% endblock %}
diff --git a/templates/settings/_menu.html b/templates/settings/_menu.html
index 0a6062d..45b7ee3 100644
--- a/templates/settings/_menu.html
+++ b/templates/settings/_menu.html
@@ -39,8 +39,8 @@
     <a href="{% url "admin_hashtags" %}" {% if section == "hashtags" %}class="selected"{% endif %} title="Hashtags">
         <i class="fa-solid fa-hashtag"></i> Hashtags
     </a>
-    <a href="{% url "admin_tuning" %}" {% if section == "tuning" %}class="selected"{% endif %} title="Tuning">
-        <i class="fa-solid fa-wrench"></i> Tuning
+    <a href="{% url "admin_reports" %}" {% if section == "reports" %}class="selected"{% endif %} title="Reports">
+        <i class="fa-solid fa-flag"></i> Reports
     </a>
     <a href="{% url "admin_stator" %}" {% if section == "stator" %}class="selected"{% endif %} title="Stator">
         <i class="fa-solid fa-clock-rotate-left"></i> Stator
diff --git a/templates/users/report.html b/templates/users/report.html
new file mode 100644
index 0000000..557b35e
--- /dev/null
+++ b/templates/users/report.html
@@ -0,0 +1,27 @@
+{% extends "base.html" %}
+
+{% block title %}Report{% endblock %}
+
+{% block content %}
+    <form action="." method="POST">
+        {% csrf_token %}
+        <fieldset>
+            <legend>Report</legend>
+            <label>Reporting</label>
+            {% if post %}
+                {% include "activities/_mini_post.html" %}
+            {% else %}
+                {% include "activities/_identity.html" %}
+            {% endif %}
+            {% include "forms/_field.html" with field=form.type %}
+            {% include "forms/_field.html" with field=form.complaint %}
+            {% if not identity.local %}
+                {% include "forms/_field.html" with field=form.forward %}
+            {% endif %}
+        </fieldset>
+
+        <div class="buttons">
+            <button>Send Report</button>
+        </div>
+    </form>
+{% endblock %}
diff --git a/templates/users/report_sent.html b/templates/users/report_sent.html
new file mode 100644
index 0000000..4e8c78c
--- /dev/null
+++ b/templates/users/report_sent.html
@@ -0,0 +1,13 @@
+{% extends "base.html" %}
+
+{% block title %}Report Sent{% endblock %}
+
+{% block content %}
+    <form action="." method="POST">
+        {% csrf_token %}
+        <fieldset>
+            <legend>Report</legend>
+            <p>Your report has been sent.</p>
+        </fieldset>
+    </form>
+{% endblock %}
diff --git a/users/admin.py b/users/admin.py
index 6c89881..e780b16 100644
--- a/users/admin.py
+++ b/users/admin.py
@@ -9,6 +9,7 @@ from users.models import (
     InboxMessage,
     Invite,
     PasswordReset,
+    Report,
     User,
     UserEvent,
 )
@@ -113,3 +114,8 @@ class InboxMessageAdmin(admin.ModelAdmin):
 @admin.register(Invite)
 class InviteAdmin(admin.ModelAdmin):
     list_display = ["id", "created", "token", "note"]
+
+
+@admin.register(Report)
+class ReportAdmin(admin.ModelAdmin):
+    list_display = ["id", "created", "resolved", "type", "subject_identity"]
diff --git a/users/migrations/0005_report.py b/users/migrations/0005_report.py
new file mode 100644
index 0000000..a4556b2
--- /dev/null
+++ b/users/migrations/0005_report.py
@@ -0,0 +1,119 @@
+# Generated by Django 4.1.4 on 2022-12-17 20:38
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+import stator.models
+import users.models.report
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("activities", "0004_emoji_post_emojis"),
+        ("users", "0004_identity_admin_notes_identity_restriction_and_more"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="Report",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("state_ready", models.BooleanField(default=True)),
+                ("state_changed", models.DateTimeField(auto_now_add=True)),
+                ("state_attempted", models.DateTimeField(blank=True, null=True)),
+                ("state_locked_until", models.DateTimeField(blank=True, null=True)),
+                (
+                    "state",
+                    stator.models.StateField(
+                        choices=[("new", "new"), ("sent", "sent")],
+                        default="new",
+                        graph=users.models.report.ReportStates,
+                        max_length=100,
+                    ),
+                ),
+                (
+                    "type",
+                    models.CharField(
+                        choices=[
+                            ("spam", "Spam"),
+                            ("hateful", "Hateful"),
+                            ("illegal", "Illegal"),
+                            ("remote", "Remote"),
+                            ("other", "Other"),
+                        ],
+                        max_length=100,
+                    ),
+                ),
+                ("complaint", models.TextField()),
+                ("forward", models.BooleanField(default=False)),
+                ("valid", models.BooleanField(null=True)),
+                ("seen", models.DateTimeField(blank=True, null=True)),
+                ("resolved", models.DateTimeField(blank=True, null=True)),
+                ("notes", models.TextField(blank=True, null=True)),
+                ("created", models.DateTimeField(auto_now_add=True)),
+                ("updated", models.DateTimeField(auto_now=True)),
+                (
+                    "moderator",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.SET_NULL,
+                        related_name="moderated_reports",
+                        to="users.identity",
+                    ),
+                ),
+                (
+                    "source_domain",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="filed_reports",
+                        to="users.domain",
+                    ),
+                ),
+                (
+                    "source_identity",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="filed_reports",
+                        to="users.identity",
+                    ),
+                ),
+                (
+                    "subject_identity",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="reports",
+                        to="users.identity",
+                    ),
+                ),
+                (
+                    "subject_post",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.SET_NULL,
+                        related_name="reports",
+                        to="activities.post",
+                    ),
+                ),
+            ],
+            options={
+                "abstract": False,
+            },
+        ),
+    ]
diff --git a/users/models/__init__.py b/users/models/__init__.py
index 1c5f519..4e271ba 100644
--- a/users/models/__init__.py
+++ b/users/models/__init__.py
@@ -5,6 +5,7 @@ from .identity import Identity, IdentityStates  # noqa
 from .inbox_message import InboxMessage, InboxMessageStates  # noqa
 from .invite import Invite  # noqa
 from .password_reset import PasswordReset  # noqa
+from .report import Report  # noqa
 from .system_actor import SystemActor  # noqa
 from .user import User  # noqa
 from .user_event import UserEvent  # noqa
diff --git a/users/models/report.py b/users/models/report.py
new file mode 100644
index 0000000..7bafd0c
--- /dev/null
+++ b/users/models/report.py
@@ -0,0 +1,129 @@
+import httpx
+import urlman
+from django.db import models
+
+from core.ld import canonicalise
+from stator.models import State, StateField, StateGraph, StatorModel
+from users.models import SystemActor
+
+
+class ReportStates(StateGraph):
+    new = State(try_interval=600)
+    sent = State()
+
+    new.transitions_to(sent)
+
+    @classmethod
+    async def handle_new(cls, instance: "Report"):
+        """
+        Sends the report to the remote server if we need to
+        """
+        report = await instance.afetch_full()
+        if report.forward and not report.subject_identity.domain.local:
+            system_actor = SystemActor()
+            try:
+                await system_actor.signed_request(
+                    method="post",
+                    uri=report.subject_identity.inbox_uri,
+                    body=canonicalise(report.to_ap()),
+                )
+            except httpx.RequestError:
+                return
+        return cls.sent
+
+
+class Report(StatorModel):
+    """
+    A complaint about a user or post.
+    """
+
+    class Types(models.TextChoices):
+        spam = "spam"
+        hateful = "hateful"
+        illegal = "illegal"
+        remote = "remote"
+        other = "other"
+
+    state = StateField(ReportStates)
+
+    subject_identity = models.ForeignKey(
+        "users.Identity",
+        on_delete=models.CASCADE,
+        blank=True,
+        null=True,
+        related_name="reports",
+    )
+    subject_post = models.ForeignKey(
+        "activities.Post",
+        on_delete=models.SET_NULL,
+        blank=True,
+        null=True,
+        related_name="reports",
+    )
+
+    source_identity = models.ForeignKey(
+        "users.Identity",
+        on_delete=models.CASCADE,
+        blank=True,
+        null=True,
+        related_name="filed_reports",
+    )
+    source_domain = models.ForeignKey(
+        "users.Domain",
+        on_delete=models.CASCADE,
+        blank=True,
+        null=True,
+        related_name="filed_reports",
+    )
+
+    moderator = models.ForeignKey(
+        "users.Identity",
+        on_delete=models.SET_NULL,
+        blank=True,
+        null=True,
+        related_name="moderated_reports",
+    )
+
+    type = models.CharField(max_length=100, choices=Types.choices)
+    complaint = models.TextField()
+    forward = models.BooleanField(default=False)
+    valid = models.BooleanField(null=True)
+
+    seen = models.DateTimeField(blank=True, null=True)
+    resolved = models.DateTimeField(blank=True, null=True)
+    notes = models.TextField(blank=True, null=True)
+
+    created = models.DateTimeField(auto_now_add=True)
+    updated = models.DateTimeField(auto_now=True)
+
+    class urls(urlman.Urls):
+        admin = "/admin/reports/"
+        admin_view = "{admin}{self.pk}/"
+
+    ### ActivityPub ###
+
+    async def afetch_full(self) -> "Report":
+        return await Report.objects.select_related(
+            "source_identity",
+            "source_domain",
+            "subject_identity__domain",
+            "subject_identity",
+            "subject_post",
+        ).aget(pk=self.pk)
+
+    def to_ap(self):
+        system_actor = SystemActor()
+        if self.subject_post:
+            objects = [
+                self.subject_post.object_uri,
+                self.subject_identity.actor_uri,
+            ]
+        else:
+            objects = self.subject_identity.actor_uri
+        return {
+            "id": f"https://{self.source_domain.uri_domain}/reports/{self.id}/",
+            "type": "Flag",
+            "actor": system_actor.actor_uri,
+            "object": objects,
+            "content": self.complaint,
+        }
diff --git a/users/views/admin/__init__.py b/users/views/admin/__init__.py
index d923f80..0e054d2 100644
--- a/users/views/admin/__init__.py
+++ b/users/views/admin/__init__.py
@@ -17,6 +17,7 @@ from users.views.admin.hashtags import (  # noqa
     Hashtags,
 )
 from users.views.admin.identities import IdentitiesRoot, IdentityEdit  # noqa
+from users.views.admin.reports import ReportsRoot, ReportView  # noqa
 from users.views.admin.settings import (  # noqa
     BasicSettings,
     PoliciesSettings,
diff --git a/users/views/admin/reports.py b/users/views/admin/reports.py
new file mode 100644
index 0000000..6187068
--- /dev/null
+++ b/users/views/admin/reports.py
@@ -0,0 +1,80 @@
+from django import forms
+from django.shortcuts import get_object_or_404, redirect
+from django.utils import timezone
+from django.utils.decorators import method_decorator
+from django.views.generic import FormView, ListView
+
+from users.decorators import admin_required
+from users.models import Identity, Report
+
+
+@method_decorator(admin_required, name="dispatch")
+class ReportsRoot(ListView):
+
+    template_name = "admin/reports.html"
+    paginate_by = 30
+
+    def get(self, request, *args, **kwargs):
+        self.query = request.GET.get("query")
+        self.all = request.GET.get("all")
+        self.extra_context = {
+            "section": "reports",
+            "all": self.all,
+        }
+        return super().get(request, *args, **kwargs)
+
+    def get_queryset(self):
+        reports = Report.objects.select_related(
+            "subject_post", "subject_identity"
+        ).order_by("created")
+        if not self.all:
+            reports = reports.filter(resolved__isnull=True)
+        return reports
+
+
+@method_decorator(admin_required, name="dispatch")
+class ReportView(FormView):
+
+    template_name = "admin/report_view.html"
+    extra_context = {
+        "section": "reports",
+    }
+
+    class form_class(forms.Form):
+        notes = forms.CharField(widget=forms.Textarea, required=False)
+
+    def dispatch(self, request, id, *args, **kwargs):
+        self.report = get_object_or_404(Report, id=id)
+        return super().dispatch(request, *args, **kwargs)
+
+    def post(self, request, *args, **kwargs):
+        if "limit" in request.POST:
+            self.report.subject_identity.restriction = Identity.Restriction.limited
+            self.report.subject_identity.save()
+        if "block" in request.POST:
+            self.report.subject_identity.restriction = Identity.Restriction.blocked
+            self.report.subject_identity.save()
+        if "valid" in request.POST:
+            self.report.resolved = timezone.now()
+            self.report.valid = True
+            self.report.moderator = self.request.identity
+            self.report.save()
+        if "invalid" in request.POST:
+            self.report.resolved = timezone.now()
+            self.report.valid = False
+            self.report.moderator = self.request.identity
+            self.report.save()
+        return super().post(request, *args, **kwargs)
+
+    def get_initial(self):
+        return {"notes": self.report.notes}
+
+    def form_valid(self, form):
+        self.report.notes = form.cleaned_data["notes"]
+        self.report.save()
+        return redirect(".")
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context["report"] = self.report
+        return context
diff --git a/users/views/report.py b/users/views/report.py
new file mode 100644
index 0000000..f7e29ed
--- /dev/null
+++ b/users/views/report.py
@@ -0,0 +1,76 @@
+from django import forms
+from django.shortcuts import get_object_or_404, render
+from django.utils.decorators import method_decorator
+from django.views.generic import FormView
+
+from users.decorators import identity_required
+from users.models import Report
+from users.shortcuts import by_handle_or_404
+
+
+@method_decorator(identity_required, name="dispatch")
+class SubmitReport(FormView):
+    """
+    Submits a report on a user or a post
+    """
+
+    template_name = "users/report.html"
+
+    class form_class(forms.Form):
+        type = forms.ChoiceField(
+            choices=[
+                ("", "------"),
+                ("spam", "Spam or inappropriate advertising"),
+                ("hateful", "Hateful, abusive, or violent speech"),
+                ("other", "Something else"),
+            ],
+            label="Why are you reporting this?",
+        )
+
+        complaint = forms.CharField(
+            widget=forms.Textarea,
+            help_text="Please describe why you think this should be removed",
+        )
+
+        forward = forms.BooleanField(
+            widget=forms.Select(
+                choices=[
+                    (False, "Do not send to other server"),
+                    (True, "Send to other server"),
+                ]
+            ),
+            help_text="Should we also send an anonymous copy of this to their server?",
+            required=False,
+        )
+
+    def dispatch(self, request, handle, post_id=None):
+        self.identity = by_handle_or_404(self.request, handle, local=False)
+        if post_id:
+            self.post_obj = get_object_or_404(self.identity.posts, pk=post_id)
+        else:
+            self.post_obj = None
+        return super().dispatch(request)
+
+    def form_valid(self, form):
+        # Create the report
+        report = Report.objects.create(
+            type=form.cleaned_data["type"],
+            complaint=form.cleaned_data["complaint"],
+            subject_identity=self.identity,
+            subject_post=self.post_obj,
+            source_identity=self.request.identity,
+            source_domain=self.request.identity.domain,
+            forward=form.cleaned_data.get("forward", False),
+        )
+        # Show a thanks page
+        return render(
+            self.request,
+            "users/report_sent.html",
+            {"report": report},
+        )
+
+    def get_context_data(self, *args, **kwargs):
+        context = super().get_context_data(*args, **kwargs)
+        context["identity"] = self.identity
+        context["post"] = self.post_obj
+        return context