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R7 custom emoji: the server's own, added by administrators, sent on posts, profiles and reactions

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LocalEmoji, a new collection (unique shortcode whatever its case, never renamed: the shortcode is its id elsewhere),
managed on /clientapi/admin/emoji/list|insert|update|delete and kept in the staff's log (emoji.insert, .update,
.delete). Its picture goes through IMediaService.EmojiImage: PNG, GIF, WebP or JPEG up to 256 KB, a PNG within 256 px
with alpha kept (an animated GIF or WebP stays an animated GIF, with a still PNG), keep=none, shrunk until it fits
GoToSocial's 100 KiB, held by ServerUse "emoji:<shortcode>" so the janitor and the audit leave it. LocalEmojis keeps the
offered ones in memory, reloaded on every change: GET /api/v1/custom_emojis is real; local posts (words, title, warning,
poll options, each revision) and profiles keep the emoji they name; Notes, Questions, actors and EmojiReacts carry
Mastodon's Emoji tag with its id, served as an Emoji at /emojis/{shortcode} (410 once deleted; the path awaits the
owner's confirmation); a persona reacts with one (Pleroma's reactions, announcements). A restore keeps the live emoji
as it keeps the settings, and trashes server pictures nothing holds. tools/pasture/scenarios/emoji.sh joins batch A.

Verified: built, and run locally against a scratch database (uploads of every type, animation kept, metadata gone,
refusals, rendering, reactions, history, announcements, delete and revive, backup and restore, media audit). The
pasture scenario and the sweep were not run.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01WpVCoDeM1qUTRp4fXQdfof
This commit is contained in:
thepraandClaude Opus 5.5 committed 2026-10-17 05:57:25 +02:00
1 parent 9f68ca3ed0
commit d08fbabaa5
38 files changed
+1117 -54
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PrivaPub/Domain/Social/Announcements.cs
+11 -5
View File
@@ -73,11 +73,17 @@ namespace PrivaPub.Domain.Social
{
if (await FindShown(id, token) == default)
return (StatusCodes.Status404NotFound, "Record not found");
// one unicode emoji (custom emoji come with R7): the same normalisation as a post's reactions
var picked = Reactions.Normalise(name, new List<Models.Post.CustomEmoji>(), requireKnownCustom: true);
if (picked == default || picked.Url != default || picked.Name.Length > MaxNameLength)
return (StatusCodes.Status422UnprocessableEntity, "Validation failed: Name is not a recognized emoji");
name = picked.Name;
// one unicode emoji, normalised as a post's reactions are, or one of the server's custom emoji that is offered, by its
// shortcode (R7), as Mastodon takes them
if (LocalEmojis.ForReaction(name, default) is { } custom)
name = custom.Shortcode;
else
{
var picked = Reactions.Normalise(name, new List<Models.Post.CustomEmoji>(), requireKnownCustom: true);
if (picked == default || picked.Url != default || picked.Name.Length > MaxNameLength)
return (StatusCodes.Status422UnprocessableEntity, "Validation failed: Name is not a recognized emoji");
name = picked.Name;
}
if (!add)
{
var removed = await DB.Default.DeleteAsync<AnnouncementReaction>(r => r.AnnouncementId == id && r.AvatarId == avatarId && r.Name == name);