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425 lines
12 KiB
C
425 lines
12 KiB
C
#define _GNU_SOURCE
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#include "activity.h"
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// Submodules
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#include "util/format.h"
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#include "ffdb/fs_list.h"
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#include "collections/array.h"
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#include "ap/object.h"
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// Model
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#include "model/server.h"
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#include "model/account.h"
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#include "model/status.h"
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#include "model/emoji.h"
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#include "model/media.h"
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#include "model/outbox_envelope.h"
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// Standard Library
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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void activity_allocate_local_id( struct ap_object* obj )
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{
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int id = fs_list_get("data/activities/HEAD") + 1;
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fs_list_set( "data/activities/HEAD", id );
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obj->local_id = id;
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}
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void activity_save( struct ap_object* act )
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{
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char filename[512];
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snprintf( filename, sizeof(filename), "data/activities/%d.json", act->local_id );
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json_write_object_layout_to_file( filename, "\t", ap_object_layout, act );
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}
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struct ap_object* activity_from_local_id( int id )
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{
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struct ap_object* act = ap_object_new();
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char filename[512];
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snprintf( filename, sizeof(filename), "data/activities/%d.json", id );
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if( !json_read_object_layout_from_file( filename, ap_object_layout, act ) ) {
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ap_object_free(act);
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return NULL;
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}
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return act;
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}
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static struct ap_object* new_local_activity()
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{
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struct ap_object* act = ap_object_new();
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ap_object_add_context( act, "https://www.w3.org/ns/activitystreams");
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char buffer[512];
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ap_object_add_context( act, format( buffer, 512, "https://%s/schemas/litepub-0.1.jsonld", g_server->domain ) );
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return act;
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}
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struct ap_object* activity_create_Accept( struct ap_object* act )
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{
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struct ap_object* accept;
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accept = malloc(sizeof(*accept));
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memset(accept,0,sizeof(*accept));
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activity_allocate_local_id(accept);
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ap_object_add_context( accept, "https://www.w3.org/ns/activitystreams");
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ap_object_add_context( accept, "https://apogee.polaris-1.work/schemas/litepub-0.1.jsonld");
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asprintf( &accept->id,"https://%s/activity/%d", g_server->domain, accept->local_id );
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accept->type = ap_Accept;
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asprintf( &accept->actor, "https://%s/owner/actor", g_server->domain );
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char* new_act_actor = strdup(act->actor);
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array_append( &accept->to, sizeof(char*), &new_act_actor );
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accept->object.tag = apaot_activity;
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accept->object.ptr = ap_object_dup(act);
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return accept;
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}
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void activity_accept( struct ap_object* act, int deliver_to_account_id )
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{
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struct ap_object* accept = activity_create_Accept(act);
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activity_save(accept);
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struct outbox_envelope* env = outbox_envelope_new();
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env->activity_id = accept->local_id;
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env->account_id = deliver_to_account_id;
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outbox_envelope_save( env );
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outbox_envelope_free( env );
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ap_object_free(accept);
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}
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struct ap_object* activity_create_EmojiReact( struct status* s, const char* react )
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{
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if( !*react ) {
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return NULL;
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}
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struct account* a = account_from_id( s->account_id );
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struct ap_object* act = new_local_activity();
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activity_allocate_local_id(act);
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act->id = aformat( "https://%s/activity/%d", g_server->domain, act->local_id );
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act->actor = aformat( "https://%s/owner/actor", g_server->domain );
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act->type = pleroma_EmojiReact;
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act->content.content = safe_strdup(react);
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act->published = time(NULL);
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act->object.tag = apaot_ref;
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act->object.ref = strdup( s->url );
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char* to = aformat( "%s/followers", a->account_url );
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array_append( &act->to, sizeof(to), &to );
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char* cc = strdup( "https://www.w3.org/ns/activitystreams#Public" );
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array_append( &act->cc, sizeof(cc), &cc );
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cc = strdup( a->account_url );
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array_append( &act->cc, sizeof(cc), &cc );
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account_free(a);
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return act;
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}
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void activity_react( struct status* s, const char* react )
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{
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struct ap_object* act = activity_create_EmojiReact(s,react);
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if( !act ) { return; }
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activity_save(act);
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struct outbox_envelope* env = outbox_envelope_new();
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env->activity_id = act->local_id;
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env->account_id = s->account_id;
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outbox_envelope_save( env );
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outbox_envelope_free( env );
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ap_object_free(act);
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}
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struct ap_object* activity_create_Follow( struct account* follower, struct account* following )
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{
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struct ap_object* act = ap_object_new();
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activity_allocate_local_id(act);
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ap_object_add_context( act, "https://www.w3.org/ns/activitystreams");
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ap_object_add_context( act, "https://apogee.polaris-1.work/schemas/litepub-0.1.jsonld");
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act->id = aformat( "https://%s/activity/%d", g_server->domain, act->local_id );
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act->actor = strdup( follower->account_url );
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act->type = ap_Follow;
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act->published = time(NULL);
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act->object.tag = apaot_ref;
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act->state = strdup("pending");
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act->object.ref = strdup( following->account_url );
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char* to = strdup(following->account_url);
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array_append( &act->to, sizeof(to), &to );
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return act;
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}
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int activity_follow( struct account* follower, struct account* following )
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{
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int res = -1;
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struct ap_object* act = activity_create_Follow( follower, following );
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if( !act ) { goto failed; }
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activity_save(act);
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res = act->local_id;
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struct outbox_envelope* env = outbox_envelope_new();
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if( !env ) { goto failed; }
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env->activity_id = act->local_id;
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env->account_id = following->id;
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outbox_envelope_save( env );
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outbox_envelope_free( env );
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cleanup:
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ap_object_free(act);
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return res;
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failed:
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res = -1;
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goto cleanup;
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}
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struct ap_object* activity_create_Undo( struct ap_object* act_to_undo )
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{
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struct ap_object* act = ap_object_new();
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activity_allocate_local_id(act);
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ap_object_add_context( act, "https://www.w3.org/ns/activitystreams");
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ap_object_add_context( act, "https://apogee.polaris-1.work/schemas/litepub-0.1.jsonld");
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act->id = aformat( "https://%s/activity/%d", g_server->domain, act->local_id );
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act->actor = strdup( act_to_undo->actor );
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act->type = ap_Undo;
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act->published = time(NULL);
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act->object.tag = apaot_activity;
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act->object.ptr = ap_object_dup(act_to_undo);
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char* to = strdup(act_to_undo->object.ref);
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array_append( &act->to, sizeof(to), &to );
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return act;
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}
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void activity_undo( struct ap_object* act, int deliver_to_account_id )
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{
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struct ap_object* undo_act = activity_create_Undo( act );
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if( !undo_act ) { goto failed; }
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activity_save(undo_act);
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/*
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printf( "act=" );
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ap_activity_write_to_FILE( act, stdout );
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printf( "\nundo_act=");
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ap_activity_write_to_FILE( undo_act, stdout );
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printf( "\n" );
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*/
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struct outbox_envelope* env = outbox_envelope_new();
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if( !env ) { goto failed; }
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env->activity_id = undo_act->local_id;
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env->account_id = deliver_to_account_id;
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outbox_envelope_save( env );
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outbox_envelope_free( env );
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cleanup:
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ap_object_free(undo_act);
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return;
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failed:
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goto cleanup;
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}
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struct ap_object* activity_create_Like( struct status* s )
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{
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struct ap_object* act = new_local_activity();
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activity_allocate_local_id(act);
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act->id = aformat( "https://%s/activity/%d", g_server->domain, act->local_id );
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act->actor = aformat( "https://%s/owner/actor", g_server->domain );
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act->type = ap_Like;
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act->published = time(NULL);
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act->object.tag = apaot_ref;
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act->object.ref = strdup( s->url );
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struct account* a = account_from_id( s->account_id );
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char* to = aformat( "https://%s/owner/followers", g_server->domain );
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array_append( &act->to, sizeof(to), &to );
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to = strdup(a->account_url);
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array_append( &act->to, sizeof(to), &to );
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for( int i = 0; i < s->mentions.count; ++i ) {
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struct account* mentioned = account_from_id( s->mentions.items[i] );
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to = strdup(mentioned->account_url);
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array_append( &act->to, sizeof(to), &to );
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account_free(mentioned);
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}
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char* cc = strdup( "https://www.w3.org/ns/activitystreams#Public" );
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array_append( &act->cc, sizeof(cc), &cc );
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account_free(a);
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return act;
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}
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int activity_like( struct status* s )
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{
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struct ap_object* act = activity_create_Like( s );
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if( !act ) { return 0; }
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activity_save(act);
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activity_deliver( act );
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return 1;
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}
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struct ap_object* activity_create_Note( struct status* s )
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{
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struct ap_object* act = new_local_activity();
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act->id = aformat( "https://%s/note/%d", g_server->domain, s->id );
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act->type = ap_Note;
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act->published = s->published;
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if( s->source ) {
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act->source.content = strdup(s->source);
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}
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act->content.content = strdup(status_render_source(s));
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if( s->in_reply_to ) {
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struct status* s_in_reply_to = status_from_id( s->in_reply_to );
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act->in_reply_to = strdup( s_in_reply_to->url );
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status_free(s_in_reply_to);
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}
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/* set account related parameters */ {
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struct account* a = account_from_id( s->account_id );
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act->actor = strdup( a->account_url );
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act->attributed_to = strdup( a->account_url );
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account_free(a);
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}
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char* str = strdup("https://www.w3.org/ns/activitystreams#Public");
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array_append( &act->to, sizeof(str), &str );
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for( int i = 0; i < s->media.count; ++i ) {
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struct media* m = media_from_local_uri( s->media.items[i] );
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if( m ) {
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struct ap_object* att;
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att = malloc(sizeof(*att));
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memset(att,0,sizeof(*att));
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att->type = ap_Document;
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att->url = strdup(s->media.items[i]);
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att->media_type = strdup(m->content_type);
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att->name = strdup("");
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array_append( &act->attachments, sizeof(att), &att );
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}
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media_free(m);
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}
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for( int i = 0; i < s->emoji.count; ++i ) {
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struct emoji* e = s->emoji.items[i];
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struct ap_activity_tag* tag;
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tag = malloc(sizeof(*tag));
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memset(tag,0,sizeof(*tag));
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tag->type = aptag_emoji;
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tag->icon.url = strdup(e->url);
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tag->id = strdup(e->url);
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tag->icon.type = ap_Image;
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tag->name = aformat(":%s:", e->shortcode );
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array_append( &act->tags, sizeof(tag), &tag );
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}
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str = aformat( "https://%s/owner/followers", g_server->domain );
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array_append( &act->cc, sizeof(str), &str );
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for( int i = 0; i < s->mentions.count; ++i ) {
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struct account* mentioned = account_from_id( s->mentions.items[i] );
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str = strdup(mentioned->account_url);
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array_append( &act->to, sizeof(str), &str );
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struct ap_activity_tag* tag;
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tag = malloc(sizeof(*tag));
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memset(tag,0,sizeof(*tag));
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tag->type = aptag_mention;
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tag->href = strdup(mentioned->account_url);
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tag->name = aformat( "%s@%s", mentioned->handle, mentioned->server );
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array_append( &act->tags, sizeof(tag), &tag );
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account_free(mentioned);
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}
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return act;
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}
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struct ap_object* activity_create_Create( struct ap_object* object )
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{
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struct ap_object* act = ap_object_new();
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activity_allocate_local_id(act);
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ap_object_add_context( act, "https://www.w3.org/ns/activitystreams");
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ap_object_add_context( act, "https://apogee.polaris-1.work/schemas/litepub-0.1.jsonld");
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act->type = ap_Create;
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act->id = aformat( "https://%s/activity/%d", g_server->domain, act->local_id );
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act->object.tag = apaot_activity;
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act->object.ptr = ap_object_dup(object);
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act->actor = strdup( object->actor );
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act->published = object->published;
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char* str;
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for( int i = 0; i < object->to.count; ++i ) {
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str = strdup( object->to.items[i] );
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array_append( &act->to, sizeof(str), &str );
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}
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for( int i = 0; i < object->cc.count; ++i ) {
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str = strdup( object->cc.items[i] );
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array_append( &act->cc, sizeof(str), &str );
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}
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return act;
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}
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static void deliver_to( struct outbox_envelope_list* oel, struct ap_object* act, const char* uri )
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{
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char owner_followers[512];
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snprintf( owner_followers,512, "https://%s/owner/followers", g_server->domain );
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if( 0 == strcmp( owner_followers, uri ) ) {
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struct account* owner = account_from_id( owner_account_id );
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account_deliver_activity_to_followers( owner, act, oel );
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account_free(owner);
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return;
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}
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struct account* a = account_from_uri( uri );
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if( a ) {
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account_deliver_activity( a, act, oel );
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account_free(a);
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return;
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}
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}
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void activity_deliver( struct ap_object* act )
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{
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printf( "activity_deliver( act = %s )\n", act->id );
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struct outbox_envelope_list oel;
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memset(&oel,0,sizeof(oel));
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// Build the outbox list based on to,cc,bcc
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for( int i = 0; i < act->to.count; ++i ) {
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deliver_to( &oel, act, act->to.items[i] );
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}
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for( int i = 0; i < act->cc.count; ++i ) {
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deliver_to( &oel, act, act->cc.items[i] );
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}
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for( int i = 0; i < act->bcc.count; ++i ) {
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deliver_to( &oel, act, act->bcc.items[i] );
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}
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printf( "Delivering to %d inboxes\n", oel.count );
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outbox_envelope_list_save(&oel);
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outbox_envelope_list_free_composite(&oel);
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activity_save(act);
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ap_object_write_to_FILE( act, stdout );
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printf( "Delivery scheduling finished.\n" );
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}
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