Eliminate flag-for-reply process

install_files/ansible-base/roles/app/handlers/main.yml

@@ -11,14 +11,7 @@
     name: apache2
     state: restarted
 
-## Here, we list apparmor before haveged to ensure the correct AppArmor
-## profile is loaded prior to restarting haveged
 - name: restart apparmor
   service:
     name: apparmor
     state: restarted
-
-- name: restart haveged
-  service:
-    name: haveged
-    state: restarted

install_files/ansible-base/roles/app/tasks/main.yml

@@ -17,5 +17,3 @@
 - include: install_and_harden_apache.yml
 
 - include: setup_cron.yml
-
-- include: configure_haveged.yml

install_files/ansible-base/roles/build-securedrop-app-code-deb-pkg/files/usr.sbin.apache2

@@ -169,6 +169,7 @@
   /var/www/securedrop/db.py r,
   /var/www/securedrop/dictionaries/adjectives.txt r,
   /var/www/securedrop/dictionaries/nouns.txt r,
+  /var/www/securedrop/execution.py r,
   /var/www/securedrop/i18n.py r,
   /var/www/securedrop/journalist.py r,
   /var/www/securedrop/journalist_app/ r,
@@ -197,7 +198,6 @@
   /var/www/securedrop/journalist_templates/delete.html r,
   /var/www/securedrop/journalist_templates/edit_account.html r,
   /var/www/securedrop/journalist_templates/error.html r,
-  /var/www/securedrop/journalist_templates/flag.html r,
   /var/www/securedrop/journalist_templates/flashed.html r,
   /var/www/securedrop/journalist_templates/index.html r,
   /var/www/securedrop/journalist_templates/js-strings.html r,

install_files/ansible-base/roles/build-securedrop-app-code-deb-pkg/templates/control.j2

@@ -8,11 +8,11 @@ Standards-Version: 3.9.8
 
 Package: securedrop-app-code
 Architecture: amd64
-Conflicts: libapache2-mod-wsgi,supervisor
-Replaces: libapache2-mod-wsgi,supervisor
+Conflicts: haveged, libapache2-mod-wsgi, supervisor
+Replaces: haveged, libapache2-mod-wsgi, supervisor
 {% if securedrop_target_distribution == "focal" %}
-Depends: ${dist:Depends}, ${misc:Depends}, ${python3:Depends}, apache2, apparmor-utils, coreutils, gnupg2, haveged, libapache2-mod-xsendfile, libpython3.8, paxctld, python3, python3-distutils, redis-server, securedrop-config, securedrop-keyring, sqlite3
+Depends: ${dist:Depends}, ${misc:Depends}, ${python3:Depends}, apache2, apparmor-utils, coreutils, gnupg2, libapache2-mod-xsendfile, libpython3.8, paxctld, python3, python3-distutils, redis-server, securedrop-config, securedrop-keyring, sqlite3
 {% else %}
-Depends: ${dist:Depends}, ${misc:Depends}, ${python3:Depends}, apache2, apparmor-utils, coreutils, gnupg2, haveged, libapache2-mod-xsendfile, libpython3.5, paxctld, python3 (>= 3.5), python3 (<< 3.6), redis-server, securedrop-config, securedrop-keyring, sqlite3
+Depends: ${dist:Depends}, ${misc:Depends}, ${python3:Depends}, apache2, apparmor-utils, coreutils, gnupg2, libapache2-mod-xsendfile, libpython3.5, paxctld, python3 (>= 3.5), python3 (<< 3.6), redis-server, securedrop-config, securedrop-keyring, sqlite3
 {% endif %}
 Description: SecureDrop application code, dependencies, Apache configuration, systemd services, and AppArmor profiles. This package will put the AppArmor profiles in enforce mode.

molecule/builder-focal/Dockerfile

@@ -16,7 +16,6 @@ RUN apt-get -y update && apt-get upgrade -y && apt-get install -y \
         gdb \
         git \
         gnupg2 \
-        haveged \
         inotify-tools \
         libffi-dev \
         libssl-dev \

molecule/testinfra/app-code/test_securedrop_app_code.py

@@ -22,7 +22,6 @@ def test_apache_default_docroot_is_absent(host):
     'apparmor-utils',
     'coreutils',
     'gnupg2',
-    'haveged',
     'libapache2-mod-xsendfile',
     'libpython{}'.format(python_version),
     'paxctld',
@@ -41,6 +40,22 @@ def test_securedrop_application_apt_dependencies(host, package):
     assert host.package(package).is_installed
 
 
+@pytest.mark.parametrize('package', [
+    'cron-apt',
+    'haveged',
+    'libapache2-mod-wsgi',
+    'ntp',
+    'ntpdate',
+    'supervisor'
+])
+def test_unwanted_packages_absent(host, package):
+    """
+    Ensure packages that conflict with `securedrop-app-code`
+    or are otherwise unwanted are not present.
+    """
+    assert not host.package(package).is_installed
+
+
 @pytest.mark.skip_in_prod
 def test_securedrop_application_test_locale(host):
     """

securedrop/alembic/versions/b060f38c0c31_drop_source_flagged.py

@@ -0,0 +1,70 @@
+"""drop Source.flagged
+
+Revision ID: b060f38c0c31
+Revises: 92fba0be98e9
+Create Date: 2021-05-10 18:15:56.071880
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = "b060f38c0c31"
+down_revision = "92fba0be98e9"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    with op.batch_alter_table("sources", schema=None) as batch_op:
+        batch_op.drop_column("flagged")
+
+
+def downgrade():
+    # You might be tempted to try Alembic's batch_ops for the
+    # downgrade too. Don't. SQLite's unnamed check constraints require
+    # kludges.
+
+    conn = op.get_bind()
+    conn.execute("PRAGMA legacy_alter_table=ON")
+
+    op.rename_table("sources", "sources_tmp")
+
+    conn.execute(
+        sa.text(
+            """
+            CREATE TABLE "sources" (
+                id INTEGER NOT NULL,
+                uuid VARCHAR(36) NOT NULL,
+                filesystem_id VARCHAR(96),
+                journalist_designation VARCHAR(255) NOT NULL,
+                last_updated DATETIME,
+                pending BOOLEAN,
+                interaction_count INTEGER NOT NULL,
+                deleted_at DATETIME,
+                flagged BOOLEAN,
+                PRIMARY KEY (id),
+                CHECK (pending IN (0, 1)),
+                CHECK (flagged IN (0, 1)),
+                UNIQUE (filesystem_id),
+                UNIQUE (uuid)
+            )
+            """
+        )
+    )
+
+    conn.execute(
+        """
+        INSERT INTO sources (
+            id, uuid, filesystem_id, journalist_designation,
+            last_updated, pending, interaction_count, deleted_at
+        ) SELECT
+            id, uuid, filesystem_id, journalist_designation,
+            last_updated, pending, interaction_count, deleted_at
+        FROM sources_tmp;
+        """
+    )
+
+    # Now delete the old table.
+    op.drop_table("sources_tmp")

securedrop/crypto_util.py

@@ -219,8 +219,6 @@ def find_source_key(self, fingerprint: str) -> Optional[Dict]:
     def delete_reply_keypair(self, source_filesystem_id: str) -> None:
         fingerprint = self.get_fingerprint(source_filesystem_id)
 
-        # If this source was never flagged for review, they won't have a reply
-        # keypair
         if not fingerprint:
             return
 

securedrop/dockerfiles/focal/python3/Dockerfile

@@ -11,7 +11,7 @@ RUN apt-get update && apt-get install -y paxctl && \
     paxctl -cm /usr/bin/mono-sgen && dpkg-reconfigure mono-runtime-sgen && \
     apt-get install -y apache2-dev coreutils devscripts vim \
                        python3-pip python3-all python3-venv virtualenv libpython3.8-dev libssl-dev \
-                       gnupg2 ruby redis-server git xvfb haveged curl wget \
+                       gnupg2 ruby redis-server git xvfb curl wget \
                        gettext paxctl x11vnc enchant libffi-dev sqlite3 gettext sudo \
                        libasound2 libdbus-glib-1-2 libgtk2.0-0 libfontconfig1 libxrender1 \
                        libcairo-gobject2 libgtk-3-0 libstartup-notification0 tor

securedrop/dockerfiles/xenial/python3/Dockerfile

@@ -11,7 +11,7 @@ RUN apt-get update && apt-get install -y paxctl && \
     paxctl -cm /usr/bin/mono-sgen && dpkg-reconfigure mono-runtime-sgen && \
     apt-get install -y apache2-dev coreutils devscripts dh-virtualenv vim \
                        python3-pip python3-all python3-venv virtualenv libpython3.5-dev libssl-dev \
-                       gnupg2 ruby redis-server git xvfb haveged curl wget \
+                       gnupg2 ruby redis-server git xvfb curl wget \
                        gettext paxctl x11vnc enchant libffi-dev sqlite3 gettext sudo \
                        libasound2 libdbus-glib-1-2 libgtk2.0-0 libfontconfig1 libxrender1 \
                        libcairo-gobject2 libgtk-3-0 libstartup-notification0 tor

securedrop/execution.py

@@ -0,0 +1,11 @@
+from threading import Thread
+
+
+def asynchronous(f):               # type: ignore
+    """
+    Wraps a
+    """
+    def wrapper(*args, **kwargs):  # type: ignore
+        thread = Thread(target=f, args=args, kwargs=kwargs)
+        thread.start()
+    return wrapper

securedrop/journalist.py

@@ -4,7 +4,7 @@
 
 from journalist_app import create_app
 from models import Source
-from source_app.utils import asynchronous
+from execution import asynchronous
 
 app = create_app(config)
 

securedrop/journalist_app/api.py

@@ -175,11 +175,7 @@ def remove_star(source_uuid: str) -> Tuple[flask.Response, int]:
     @api.route('/sources/<source_uuid>/flag', methods=['POST'])
     @token_required
     def flag(source_uuid: str) -> Tuple[flask.Response, int]:
-        source = get_or_404(Source, source_uuid,
-                            column=Source.uuid)
-        source.flagged = True
-        db.session.commit()
-        return jsonify({'message': 'Source flagged for reply'}), 200
+        return jsonify({'message': 'Sources no longer need to be flagged for reply'}), 200
 
     @api.route('/sources/<source_uuid>/submissions', methods=['GET'])
     @token_required

securedrop/journalist_app/main.py

@@ -169,13 +169,6 @@ def reply() -> werkzeug.Response:
         finally:
             return redirect(url_for('col.col', filesystem_id=g.filesystem_id))
 
-    @view.route('/flag', methods=('POST',))
-    def flag() -> str:
-        g.source.flagged = True
-        db.session.commit()
-        return render_template('flag.html', filesystem_id=g.filesystem_id,
-                               codename=g.source.journalist_designation)
-
     @view.route('/bulk', methods=('POST',))
     def bulk() -> Union[str, werkzeug.Response]:
         action = request.form['action']

securedrop/journalist_templates/col.html

@@ -106,16 +106,9 @@ <h3>{{ gettext('Reply') }}</h3>
       <hr class="no-line">
       <button id="reply-button" class="button pull-right" type="submit">{{ gettext('SUBMIT') }}</button>
     </form>
-  {% elif source.flagged %}
-    <p class="notification">{{ gettext("You've flagged this source for reply.") }}</p>
-    <p>{{ gettext("An encryption key will be generated for the source the next time they log in, after which you will be able to reply to the source here.") }}</p>
   {% else %}
-    <p>{{ gettext("Click below if you would like to write a reply to this source.") }}</p>
-    <form action="{{ url_for('main.flag') }}" method="post">
-      <input type="hidden" name="filesystem_id" value="{{ filesystem_id }}">
-      <input type="hidden" name="csrf_token" value="{{ csrf_token() }}">
-      <button id="flag-button" type="submit">{{ gettext('FLAG THIS SOURCE FOR REPLY') }}</button>
-    </form>
+    <p class="notification">{{ gettext("This source has no encryption key.") }}</p>
+    <p>{{ gettext("An encryption key will be generated for the source the next time they log in, after which you will be able to reply to the source here.") }}</p>
   {% endif %}
   <hr class="no-line">
   <form id="delete-collection" action="{{ url_for('col.delete_single', filesystem_id=filesystem_id) }}" method="post">