mirror of
https://github.com/LemmyNet/lemmy.git
synced 2024-12-22 01:08:37 +00:00
Adding local site settings to reject federated upvotes or downvotes. (#5038)
* Adding local site settings to reject federated upvotes or downvotes. - Should help defend against downvote spamming instances. - Fixes #4086 * Adding new vote mode types. * Simpler activitypub vote check. * Adding undo vote for failed vote mode check. * Update crates/api_common/src/utils.rs --------- Co-authored-by: Nutomic <me@nutomic.com>
This commit is contained in:
parent
e3edc317be
commit
ffb94fde85
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@ -5,7 +5,7 @@ use lemmy_api_common::{
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comment::{CommentResponse, CreateCommentLike},
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context::LemmyContext,
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send_activity::{ActivityChannel, SendActivityData},
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utils::{check_bot_account, check_community_user_action, check_downvotes_enabled},
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utils::{check_bot_account, check_community_user_action, check_local_vote_mode, VoteItem},
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};
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use lemmy_db_schema::{
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newtypes::LocalUserId,
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@ -27,14 +27,20 @@ pub async fn like_comment(
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local_user_view: LocalUserView,
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) -> LemmyResult<Json<CommentResponse>> {
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let local_site = LocalSite::read(&mut context.pool()).await?;
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let comment_id = data.comment_id;
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let mut recipient_ids = Vec::<LocalUserId>::new();
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// Don't do a downvote if site has downvotes disabled
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check_downvotes_enabled(data.score, &local_site)?;
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check_local_vote_mode(
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data.score,
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VoteItem::Comment(comment_id),
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&local_site,
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local_user_view.person.id,
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&mut context.pool(),
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)
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.await?;
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check_bot_account(&local_user_view.person)?;
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let comment_id = data.comment_id;
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let orig_comment = CommentView::read(
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&mut context.pool(),
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comment_id,
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@ -8,8 +8,9 @@ use lemmy_api_common::{
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utils::{
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check_bot_account,
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check_community_user_action,
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check_downvotes_enabled,
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check_local_vote_mode,
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mark_post_as_read,
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VoteItem,
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},
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};
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use lemmy_db_schema::{
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@ -31,13 +32,19 @@ pub async fn like_post(
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local_user_view: LocalUserView,
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) -> LemmyResult<Json<PostResponse>> {
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let local_site = LocalSite::read(&mut context.pool()).await?;
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let post_id = data.post_id;
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// Don't do a downvote if site has downvotes disabled
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check_downvotes_enabled(data.score, &local_site)?;
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check_local_vote_mode(
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data.score,
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VoteItem::Post(post_id),
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&local_site,
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local_user_view.person.id,
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&mut context.pool(),
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)
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.await?;
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check_bot_account(&local_user_view.person)?;
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// Check for a community ban
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let post_id = data.post_id;
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let post = Post::read(&mut context.pool(), post_id).await?;
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check_community_user_action(
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@ -21,6 +21,7 @@ use lemmy_db_schema::{
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tagline::Tagline,
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},
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CommentSortType,
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FederationMode,
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ListingType,
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ModlogActionType,
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PostListingMode,
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@ -170,7 +171,6 @@ pub struct CreateSite {
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pub description: Option<String>,
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pub icon: Option<String>,
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pub banner: Option<String>,
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pub enable_downvotes: Option<bool>,
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pub enable_nsfw: Option<bool>,
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pub community_creation_admin_only: Option<bool>,
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pub require_email_verification: Option<bool>,
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@ -208,6 +208,10 @@ pub struct CreateSite {
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pub registration_mode: Option<RegistrationMode>,
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pub oauth_registration: Option<bool>,
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pub content_warning: Option<String>,
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pub post_upvotes: Option<FederationMode>,
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pub post_downvotes: Option<FederationMode>,
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pub comment_upvotes: Option<FederationMode>,
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pub comment_downvotes: Option<FederationMode>,
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}
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#[skip_serializing_none]
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@ -224,8 +228,6 @@ pub struct EditSite {
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pub icon: Option<String>,
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/// A url for your site's banner.
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pub banner: Option<String>,
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/// Whether to enable downvotes.
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pub enable_downvotes: Option<bool>,
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/// Whether to enable NSFW.
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pub enable_nsfw: Option<bool>,
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/// Limits community creation to admins only.
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@ -291,13 +293,21 @@ pub struct EditSite {
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/// A list of blocked URLs
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pub blocked_urls: Option<Vec<String>>,
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pub registration_mode: Option<RegistrationMode>,
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/// Whether or not external auth methods can auto-register users.
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pub oauth_registration: Option<bool>,
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/// Whether to email admins for new reports.
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pub reports_email_admins: Option<bool>,
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/// If present, nsfw content is visible by default. Should be displayed by frontends/clients
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/// when the site is first opened by a user.
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pub content_warning: Option<String>,
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/// Whether or not external auth methods can auto-register users.
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pub oauth_registration: Option<bool>,
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/// What kind of post upvotes your site allows.
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pub post_upvotes: Option<FederationMode>,
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/// What kind of post downvotes your site allows.
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pub post_downvotes: Option<FederationMode>,
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/// What kind of comment upvotes your site allows.
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pub comment_upvotes: Option<FederationMode>,
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/// What kind of comment downvotes your site allows.
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pub comment_downvotes: Option<FederationMode>,
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}
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#[derive(Debug, Serialize, Deserialize, Clone)]
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@ -13,7 +13,7 @@ use lemmy_db_schema::{
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aggregates::structs::{PersonPostAggregates, PersonPostAggregatesForm},
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newtypes::{CommentId, CommunityId, DbUrl, InstanceId, PersonId, PostId},
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source::{
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comment::{Comment, CommentUpdateForm},
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comment::{Comment, CommentLike, CommentUpdateForm},
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community::{Community, CommunityModerator, CommunityUpdateForm},
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community_block::CommunityBlock,
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email_verification::{EmailVerification, EmailVerificationForm},
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@ -28,12 +28,13 @@ use lemmy_db_schema::{
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password_reset_request::PasswordResetRequest,
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person::{Person, PersonUpdateForm},
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person_block::PersonBlock,
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post::{Post, PostRead},
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post::{Post, PostLike, PostRead},
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registration_application::RegistrationApplication,
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site::Site,
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},
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traits::Crud,
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traits::{Crud, Likeable},
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utils::DbPool,
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FederationMode,
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RegistrationMode,
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};
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use lemmy_db_views::{
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@ -297,13 +298,36 @@ pub async fn check_person_instance_community_block(
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Ok(())
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}
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/// A vote item type used to check the vote mode.
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pub enum VoteItem {
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Post(PostId),
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Comment(CommentId),
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}
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#[tracing::instrument(skip_all)]
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pub fn check_downvotes_enabled(score: i16, local_site: &LocalSite) -> LemmyResult<()> {
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if score == -1 && !local_site.enable_downvotes {
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Err(LemmyErrorType::DownvotesAreDisabled)?
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} else {
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Ok(())
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pub async fn check_local_vote_mode(
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score: i16,
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vote_item: VoteItem,
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local_site: &LocalSite,
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person_id: PersonId,
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pool: &mut DbPool<'_>,
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) -> LemmyResult<()> {
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let (downvote_setting, upvote_setting) = match vote_item {
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VoteItem::Post(_) => (local_site.post_downvotes, local_site.post_upvotes),
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VoteItem::Comment(_) => (local_site.comment_downvotes, local_site.comment_upvotes),
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};
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let downvote_fail = score == -1 && downvote_setting == FederationMode::Disable;
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let upvote_fail = score == 1 && upvote_setting == FederationMode::Disable;
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// Undo previous vote for item if new vote fails
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if downvote_fail || upvote_fail {
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match vote_item {
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VoteItem::Post(post_id) => PostLike::remove(pool, person_id, post_id).await?,
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VoteItem::Comment(comment_id) => CommentLike::remove(pool, person_id, comment_id).await?,
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};
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}
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Ok(())
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}
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/// Dont allow bots to do certain actions, like voting
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@ -90,7 +90,6 @@ pub async fn create_site(
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let local_site_form = LocalSiteUpdateForm {
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// Set the site setup to true
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site_setup: Some(true),
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enable_downvotes: data.enable_downvotes,
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registration_mode: data.registration_mode,
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community_creation_admin_only: data.community_creation_admin_only,
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require_email_verification: data.require_email_verification,
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@ -110,6 +109,10 @@ pub async fn create_site(
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captcha_enabled: data.captcha_enabled,
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captcha_difficulty: data.captcha_difficulty.clone(),
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default_post_listing_mode: data.default_post_listing_mode,
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post_upvotes: data.post_upvotes,
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post_downvotes: data.post_downvotes,
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comment_upvotes: data.comment_upvotes,
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comment_downvotes: data.comment_downvotes,
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..Default::default()
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};
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@ -99,7 +99,6 @@ pub async fn update_site(
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.ok();
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let local_site_form = LocalSiteUpdateForm {
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enable_downvotes: data.enable_downvotes,
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registration_mode: data.registration_mode,
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community_creation_admin_only: data.community_creation_admin_only,
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require_email_verification: data.require_email_verification,
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@ -121,6 +120,10 @@ pub async fn update_site(
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reports_email_admins: data.reports_email_admins,
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default_post_listing_mode: data.default_post_listing_mode,
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oauth_registration: data.oauth_registration,
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post_upvotes: data.post_upvotes,
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post_downvotes: data.post_downvotes,
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comment_upvotes: data.comment_upvotes,
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comment_downvotes: data.comment_downvotes,
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..Default::default()
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};
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@ -18,7 +18,7 @@ use activitypub_federation::{
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traits::{ActivityHandler, Actor},
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};
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use lemmy_api_common::{context::LemmyContext, utils::check_bot_account};
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use lemmy_db_schema::source::local_site::LocalSite;
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use lemmy_db_schema::{source::local_site::LocalSite, FederationMode};
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use lemmy_utils::error::{LemmyError, LemmyResult};
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use url::Url;
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@ -68,12 +68,22 @@ impl ActivityHandler for Vote {
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check_bot_account(&actor.0)?;
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let enable_downvotes = LocalSite::read(&mut context.pool())
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// Check for enabled federation votes
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let local_site = LocalSite::read(&mut context.pool())
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.await
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.map(|l| l.enable_downvotes)
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.unwrap_or(true);
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if self.kind == VoteType::Dislike && !enable_downvotes {
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// If this is a downvote but downvotes are ignored, only undo any existing vote
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.unwrap_or_default();
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let (downvote_setting, upvote_setting) = match object {
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PostOrComment::Post(_) => (local_site.post_downvotes, local_site.post_upvotes),
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PostOrComment::Comment(_) => (local_site.comment_downvotes, local_site.comment_upvotes),
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};
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// Don't allow dislikes for either disabled, or local only votes
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let downvote_fail = self.kind == VoteType::Dislike && downvote_setting != FederationMode::All;
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let upvote_fail = self.kind == VoteType::Like && upvote_setting != FederationMode::All;
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if downvote_fail || upvote_fail {
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// If this is a rejection, undo the vote
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match object {
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PostOrComment::Post(p) => undo_vote_post(actor, &p, context).await,
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PostOrComment::Comment(c) => undo_vote_comment(actor, &c, context).await,
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@ -251,6 +251,27 @@ pub enum CommunityVisibility {
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LocalOnly,
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}
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#[derive(
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EnumString, Display, Debug, Serialize, Deserialize, Clone, Copy, PartialEq, Eq, Default, Hash,
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)]
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#[cfg_attr(feature = "full", derive(DbEnum, TS))]
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#[cfg_attr(
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feature = "full",
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ExistingTypePath = "crate::schema::sql_types::FederationModeEnum"
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)]
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#[cfg_attr(feature = "full", DbValueStyle = "verbatim")]
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#[cfg_attr(feature = "full", ts(export))]
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/// The federation mode for an item
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pub enum FederationMode {
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#[default]
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/// Allows all
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All,
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/// Allows only local
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Local,
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/// Disables
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Disable,
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}
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/// Wrapper for assert_eq! macro. Checks that vec matches the given length, and prints the
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/// vec on failure.
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#[macro_export]
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@ -13,6 +13,10 @@ pub mod sql_types {
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#[diesel(postgres_type(name = "community_visibility"))]
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pub struct CommunityVisibility;
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#[derive(diesel::sql_types::SqlType)]
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#[diesel(postgres_type(name = "federation_mode_enum"))]
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pub struct FederationModeEnum;
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#[derive(diesel::sql_types::SqlType)]
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#[diesel(postgres_type(name = "listing_type_enum"))]
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pub struct ListingTypeEnum;
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@ -368,12 +372,12 @@ diesel::table! {
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use super::sql_types::PostListingModeEnum;
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use super::sql_types::PostSortTypeEnum;
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use super::sql_types::CommentSortTypeEnum;
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use super::sql_types::FederationModeEnum;
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local_site (id) {
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id -> Int4,
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site_id -> Int4,
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site_setup -> Bool,
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enable_downvotes -> Bool,
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community_creation_admin_only -> Bool,
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require_email_verification -> Bool,
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application_question -> Nullable<Text>,
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@ -398,6 +402,10 @@ diesel::table! {
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default_post_sort_type -> PostSortTypeEnum,
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default_comment_sort_type -> CommentSortTypeEnum,
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oauth_registration -> Bool,
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post_upvotes -> FederationModeEnum,
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post_downvotes -> FederationModeEnum,
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comment_upvotes -> FederationModeEnum,
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comment_downvotes -> FederationModeEnum,
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}
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}
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|
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@ -3,6 +3,7 @@ use crate::schema::local_site;
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use crate::{
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newtypes::{LocalSiteId, SiteId},
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CommentSortType,
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FederationMode,
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ListingType,
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PostListingMode,
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PostSortType,
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|
@ -27,8 +28,6 @@ pub struct LocalSite {
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pub site_id: SiteId,
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/// True if the site is set up.
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pub site_setup: bool,
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/// Whether downvotes are enabled.
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pub enable_downvotes: bool,
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/// Whether only admins can create communities.
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pub community_creation_admin_only: bool,
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/// Whether emails are required.
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@ -72,6 +71,14 @@ pub struct LocalSite {
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pub default_comment_sort_type: CommentSortType,
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/// Whether or not external auth methods can auto-register users.
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pub oauth_registration: bool,
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/// What kind of post upvotes your site allows.
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pub post_upvotes: FederationMode,
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/// What kind of post downvotes your site allows.
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pub post_downvotes: FederationMode,
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/// What kind of comment upvotes your site allows.
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pub comment_upvotes: FederationMode,
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/// What kind of comment downvotes your site allows.
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pub comment_downvotes: FederationMode,
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}
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#[derive(Clone, derive_new::new)]
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|
@ -82,8 +89,6 @@ pub struct LocalSiteInsertForm {
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#[new(default)]
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pub site_setup: Option<bool>,
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#[new(default)]
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pub enable_downvotes: Option<bool>,
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#[new(default)]
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pub community_creation_admin_only: Option<bool>,
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#[new(default)]
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pub require_email_verification: Option<bool>,
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|
@ -114,8 +119,6 @@ pub struct LocalSiteInsertForm {
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#[new(default)]
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pub registration_mode: Option<RegistrationMode>,
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#[new(default)]
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pub oauth_registration: Option<bool>,
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#[new(default)]
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pub reports_email_admins: Option<bool>,
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#[new(default)]
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pub federation_signed_fetch: Option<bool>,
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|
@ -125,6 +128,16 @@ pub struct LocalSiteInsertForm {
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pub default_post_sort_type: Option<PostSortType>,
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#[new(default)]
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pub default_comment_sort_type: Option<CommentSortType>,
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#[new(default)]
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pub oauth_registration: Option<bool>,
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#[new(default)]
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pub post_upvotes: Option<FederationMode>,
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#[new(default)]
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pub post_downvotes: Option<FederationMode>,
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#[new(default)]
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pub comment_upvotes: Option<FederationMode>,
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#[new(default)]
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pub comment_downvotes: Option<FederationMode>,
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}
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#[derive(Clone, Default)]
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|
@ -132,7 +145,6 @@ pub struct LocalSiteInsertForm {
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#[cfg_attr(feature = "full", diesel(table_name = local_site))]
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pub struct LocalSiteUpdateForm {
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pub site_setup: Option<bool>,
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pub enable_downvotes: Option<bool>,
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pub community_creation_admin_only: Option<bool>,
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pub require_email_verification: Option<bool>,
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pub application_question: Option<Option<String>>,
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|
@ -148,11 +160,15 @@ pub struct LocalSiteUpdateForm {
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pub captcha_enabled: Option<bool>,
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pub captcha_difficulty: Option<String>,
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pub registration_mode: Option<RegistrationMode>,
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pub oauth_registration: Option<bool>,
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pub reports_email_admins: Option<bool>,
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pub updated: Option<Option<DateTime<Utc>>>,
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pub federation_signed_fetch: Option<bool>,
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pub default_post_listing_mode: Option<PostListingMode>,
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pub default_post_sort_type: Option<PostSortType>,
|
||||
pub default_comment_sort_type: Option<CommentSortType>,
|
||||
pub oauth_registration: Option<bool>,
|
||||
pub post_upvotes: Option<FederationMode>,
|
||||
pub post_downvotes: Option<FederationMode>,
|
||||
pub comment_upvotes: Option<FederationMode>,
|
||||
pub comment_downvotes: Option<FederationMode>,
|
||||
}
|
||||
|
|
|
@ -46,7 +46,7 @@ pub enum LemmyErrorType {
|
|||
PersonIsBlocked,
|
||||
CommunityIsBlocked,
|
||||
InstanceIsBlocked,
|
||||
DownvotesAreDisabled,
|
||||
VoteNotAllowed,
|
||||
InstanceIsPrivate,
|
||||
/// Password must be between 10 and 60 characters
|
||||
InvalidPassword,
|
||||
|
|
|
@ -0,0 +1,31 @@
|
|||
-- Add back the enable_downvotes column
|
||||
ALTER TABLE local_site
|
||||
ADD COLUMN enable_downvotes boolean DEFAULT TRUE NOT NULL;
|
||||
|
||||
-- regenerate their values (from post_downvotes alone)
|
||||
WITH subquery AS (
|
||||
SELECT
|
||||
post_downvotes,
|
||||
CASE WHEN post_downvotes = 'Disable'::federation_mode_enum THEN
|
||||
FALSE
|
||||
ELSE
|
||||
TRUE
|
||||
END
|
||||
FROM
|
||||
local_site)
|
||||
UPDATE
|
||||
local_site
|
||||
SET
|
||||
enable_downvotes = subquery.case
|
||||
FROM
|
||||
subquery;
|
||||
|
||||
-- Drop the new columns
|
||||
ALTER TABLE local_site
|
||||
DROP COLUMN post_upvotes,
|
||||
DROP COLUMN post_downvotes,
|
||||
DROP COLUMN comment_upvotes,
|
||||
DROP COLUMN comment_downvotes;
|
||||
|
||||
DROP TYPE federation_mode_enum;
|
||||
|
|
@ -0,0 +1,39 @@
|
|||
-- This removes the simple enable_downvotes setting, in favor of an
|
||||
-- expanded federation mode type for post/comment up/downvotes.
|
||||
-- Create the federation mode enum
|
||||
CREATE TYPE federation_mode_enum AS ENUM (
|
||||
'All',
|
||||
'Local',
|
||||
'Disable'
|
||||
);
|
||||
|
||||
-- Add the new columns
|
||||
ALTER TABLE local_site
|
||||
ADD COLUMN post_upvotes federation_mode_enum DEFAULT 'All'::federation_mode_enum NOT NULL,
|
||||
ADD COLUMN post_downvotes federation_mode_enum DEFAULT 'All'::federation_mode_enum NOT NULL,
|
||||
ADD COLUMN comment_upvotes federation_mode_enum DEFAULT 'All'::federation_mode_enum NOT NULL,
|
||||
ADD COLUMN comment_downvotes federation_mode_enum DEFAULT 'All'::federation_mode_enum NOT NULL;
|
||||
|
||||
-- Copy over the enable_downvotes into the post and comment downvote settings
|
||||
WITH subquery AS (
|
||||
SELECT
|
||||
enable_downvotes,
|
||||
CASE WHEN enable_downvotes = TRUE THEN
|
||||
'All'::federation_mode_enum
|
||||
ELSE
|
||||
'Disable'::federation_mode_enum
|
||||
END
|
||||
FROM
|
||||
local_site)
|
||||
UPDATE
|
||||
local_site
|
||||
SET
|
||||
post_downvotes = subquery.case,
|
||||
comment_downvotes = subquery.case
|
||||
FROM
|
||||
subquery;
|
||||
|
||||
-- Drop the enable_downvotes column
|
||||
ALTER TABLE local_site
|
||||
DROP COLUMN enable_downvotes;
|
||||
|
Loading…
Reference in a new issue