Slon/Api/V1/Accounts: Implement Follow

This commit is contained in:
Alec Murphy 2025-02-17 17:39:49 -05:00
parent 3312c86836
commit 16d65c88ee
4 changed files with 176 additions and 96 deletions

View file

@ -1,3 +1,174 @@
U0 @slon_api_v1_accounts_follow_request(U8* this_actor, U8* remote_actor)
{
U8 scratch_buffer[2048];
StrPrint(scratch_buffer, "%s/follow/%d", this_actor, Now);
JsonObject* follow_object = Json.CreateObject();
follow_object->set("@context", "https://www.w3.org/ns/activitystreams", JSON_STRING);
follow_object->set("id", scratch_buffer, JSON_STRING);
follow_object->set("type", "Follow", JSON_STRING);
follow_object->set("actor", this_actor, JSON_STRING);
follow_object->set("object", remote_actor, JSON_STRING);
U8* follow_object_s = Json.Stringify(follow_object);
U8 content_hash[512];
calc_sha_256(content_hash, follow_object_s, StrLen(follow_object_s));
U8* computed_digest = @base64_encode(content_hash, 32);
JsonObject* http_headers = Json.CreateObject();
StrPrint(scratch_buffer, "%s/inbox", remote_actor);
HttpUrl* url = @http_parse_url(scratch_buffer);
CDateStruct ds;
Date2Struct(&ds, Now + 1043910000);
StrPrint(scratch_buffer, "%03tZ, %02d %03tZ %04d %02d:%02d:%02d GMT", ds.day_of_week, "ST_DAYS_OF_WEEK", ds.day_of_mon, ds.mon - 1, "ST_MONTHS",
ds.year, ds.hour, ds.min, ds.sec);
http_headers->set("Date", scratch_buffer, JSON_STRING);
StrPrint(scratch_buffer, "SHA-256=%s", computed_digest);
http_headers->set("Digest", scratch_buffer, JSON_STRING);
http_headers->set("Content-Type", "application/activity+json", JSON_STRING);
StrPrint(scratch_buffer, "");
String.Append(scratch_buffer, "(request-target): post %s\n", url->path);
String.Append(scratch_buffer, "host: %s\n", url->host);
String.Append(scratch_buffer, "date: %s\n", http_headers->@("Date"));
String.Append(scratch_buffer, "digest: %s\n", http_headers->@("Digest"));
String.Append(scratch_buffer, "content-type: %s", http_headers->@("Content-Type"));
AdamLog("headers_to_sign:\n```%s```\n", scratch_buffer);
calc_sha_256(content_hash, scratch_buffer, StrLen(scratch_buffer));
U8* user = StrFind("/users/", this_actor) + 7;
JsonObject* private_key_binary = db->o("private_keys_binary")->o(user);
if (!private_key_binary) {
I64 private_key_binary_size = 0;
private_key_binary = Json.CreateObject();
private_key_binary->set("data", @base64_decode(db->o("private_keys")->@(user), &private_key_binary_size), JSON_OBJECT);
private_key_binary->set("size", private_key_binary_size, JSON_NUMBER);
db->o("private_keys_binary")->set(user, private_key_binary, JSON_OBJECT);
}
I64 res;
// Import RSA key
U64 rsa_key = CAlloc(sizeof(U64) * 32, adam_task);
res = @rsa_import(private_key_binary->@("data"), private_key_binary->@("size"), rsa_key);
AdamLog("@rsa_import: res: %d\n", res);
U8 sig[256];
U64 siglen = 256;
res = @rsa_create_signature(sig, &siglen, content_hash, 32, rsa_key);
AdamLog("@rsa_create_signature: res: %d\n", res);
U8* computed_sig = @base64_encode(sig, 256);
StrCpy(scratch_buffer, "");
String.Append(scratch_buffer, "keyId=\"%s#main-key\",", this_actor);
String.Append(scratch_buffer, "algorithm=\"rsa-sha256\",");
String.Append(scratch_buffer, "headers=\"(request-target) host date digest content-type\",");
String.Append(scratch_buffer, "signature=\"%s\"", computed_sig);
http_headers->set("Signature", scratch_buffer, JSON_STRING);
U8* fetch_buffer = CAlloc(HTTP_FETCH_BUFFER_SIZE, adam_task);
@http_response* resp = Http.Post(url, fetch_buffer, follow_object_s, http_headers);
if (!resp) {
@slon_log(LOG_HTTPD, "Could not POST Accept, invalid response from remote server");
Free(fetch_buffer);
return;
}
while (resp->state != HTTP_STATE_DONE) {
Sleep(1);
}
AdamLog("code: %d\n", resp->status.code);
Free(fetch_buffer);
}
U0 @slon_api_v1_accounts_post(SlonHttpSession* session)
{
if (!@slon_api_authorized(session)) {
@slon_http_set_status_code(session, 401);
return;
}
SLON_AUTH_ACCOUNT_ID
JsonObject* my_acct = @slon_api_account_by_id(account_id);
I64 i;
U8* path = @slon_strnew(session, @slon_http_request_path(session));
I64 path_segments_count = 0;
U8** path_segments = String.Split(path, '/', &path_segments_count);
if (2 == 3) {
// placeholder for other methods
} else {
// Work with account :id
U8* some_account_id = path_segments[3];
JsonObject* acct = @slon_api_account_by_id(some_account_id);
if (!acct) {
@slon_http_set_status_code(session, 404);
goto slon_api_v1_accounts_post_return;
}
if (path_segments_count > 5) {
U8* method = path_segments[4];
if (!StrICmp("follow", method)) {
if (!acct->@("remote_actor")) {
@slon_http_set_status_code(session, 404);
goto slon_api_v1_accounts_post_return;
}
// add to my following
if (!db->o("following")->a(my_acct->@("username"))) {
db->o("following")->set(my_acct->@("username"), Json.CreateArray(), JSON_ARRAY);
}
db->o("following")->a(my_acct->@("username"))->append(Json.CreateItem(acct->@("remote_actor"), JSON_STRING));
@slon_db_save_to_disk;
// send Follow request
@slon_api_v1_accounts_follow_request(db->o("actors")->o((my_acct->@("username")))->@("id"), acct->@("remote_actor"));
Bool followed_by = FALSE;
JsonArray* my_followers = db->o("followers")->a(my_acct->@("username"));
if (my_followers) {
for (i = 0; i < my_followers->length; i++) {
if (my_followers->@(i) && !StrICmp(my_followers->@(i), acct->@("remote_actor"))) {
followed_by = TRUE;
break;
}
}
}
JsonObject* relationship = Json.CreateObject();
relationship->set("id", acct->@("id"), JSON_STRING);
relationship->set("following", TRUE, JSON_BOOLEAN);
relationship->set("showing_reblogs", TRUE, JSON_BOOLEAN);
relationship->set("notifying", FALSE, JSON_BOOLEAN);
relationship->set("followed_by", followed_by, JSON_BOOLEAN);
relationship->set("blocking", FALSE, JSON_BOOLEAN);
relationship->set("blocked_by", FALSE, JSON_BOOLEAN);
relationship->set("muting", FALSE, JSON_BOOLEAN);
relationship->set("muting_notifications", FALSE, JSON_BOOLEAN);
relationship->set("requested", FALSE, JSON_BOOLEAN);
relationship->set("domain_blocking", FALSE, JSON_BOOLEAN);
relationship->set("endorsed", FALSE, JSON_BOOLEAN);
@slon_http_send_json(session, relationship);
goto slon_api_v1_accounts_post_return;
}
@slon_http_set_status_code(session, 404);
} else {
@slon_http_set_status_code(session, 404);
}
}
slon_api_v1_accounts_post_return:
@slon_free(session, path);
}
U0 @slon_api_v1_accounts_get(SlonHttpSession* session)
{
SLON_SCRATCH_BUFFER_AND_REQUEST_JSON

View file

@ -0,0 +1,4 @@
if (String.BeginsWith("/api/v1/accounts", @slon_http_request_path(session))) {
@slon_api_v1_accounts_post(session);
return;
}

View file

@ -459,6 +459,7 @@ U0 @slon_http_handle_post_request(SlonHttpSession* session)
/* clang-format off */
#include "Endpoints/Post/Accounts";
#include "Endpoints/Post/ActivityPub";
#include "Endpoints/Post/Apps";
#include "Endpoints/Post/OAuth";

View file

@ -367,102 +367,6 @@ U0 @slon_activitypub_async_accept_request(JsonObject* o)
Free(fetch_buffer);
}
U0 @slon_activitypub_follow_request()
{
U8 scratch_buffer[2048];
U8* this_actor = "https://error.checksum.fail/users/alec";
StrPrint(scratch_buffer, "%s/follow/%d", this_actor, Now);
JsonObject* follow_object = Json.CreateObject();
follow_object->set("@context", "https://www.w3.org/ns/activitystreams", JSON_STRING);
follow_object->set("id", scratch_buffer, JSON_STRING);
follow_object->set("type", "Follow", JSON_STRING);
follow_object->set("actor", this_actor, JSON_STRING);
follow_object->set("object", "https://techhub.social/users/ryeucrvtexw3", JSON_STRING);
U8* follow_object_s = Json.Stringify(follow_object);
U8 content_hash[512];
calc_sha_256(content_hash, follow_object_s, StrLen(follow_object_s));
U8* computed_digest = @base64_encode(content_hash, 32);
JsonObject* http_headers = Json.CreateObject();
StrPrint(scratch_buffer, "%s/inbox", "https://techhub.social/users/ryeucrvtexw3");
HttpUrl* url = @http_parse_url(scratch_buffer);
CDateStruct ds;
Date2Struct(&ds, Now + 1043910000);
StrPrint(scratch_buffer, "%03tZ, %02d %03tZ %04d %02d:%02d:%02d GMT", ds.day_of_week, "ST_DAYS_OF_WEEK", ds.day_of_mon, ds.mon - 1, "ST_MONTHS",
ds.year, ds.hour, ds.min, ds.sec);
http_headers->set("Date", scratch_buffer, JSON_STRING);
StrPrint(scratch_buffer, "SHA-256=%s", computed_digest);
http_headers->set("Digest", scratch_buffer, JSON_STRING);
http_headers->set("Content-Type", "application/activity+json", JSON_STRING);
StrPrint(scratch_buffer, "");
String.Append(scratch_buffer, "(request-target): post %s\n", url->path);
String.Append(scratch_buffer, "host: %s\n", url->host);
String.Append(scratch_buffer, "date: %s\n", http_headers->@("Date"));
String.Append(scratch_buffer, "digest: %s\n", http_headers->@("Digest"));
String.Append(scratch_buffer, "content-type: %s", http_headers->@("Content-Type"));
AdamLog("headers_to_sign:\n```%s```\n", scratch_buffer);
calc_sha_256(content_hash, scratch_buffer, StrLen(scratch_buffer));
U8* user = StrFind("/users/", this_actor) + 7;
JsonObject* private_key_binary = db->o("private_keys_binary")->o(user);
if (!private_key_binary) {
I64 private_key_binary_size = 0;
private_key_binary = Json.CreateObject();
private_key_binary->set("data", @base64_decode(db->o("private_keys")->@(user), &private_key_binary_size), JSON_OBJECT);
private_key_binary->set("size", private_key_binary_size, JSON_NUMBER);
db->o("private_keys_binary")->set(user, private_key_binary, JSON_OBJECT);
}
I64 res;
// Import RSA key
U64 rsa_key = CAlloc(sizeof(U64) * 32, adam_task);
res = @rsa_import(private_key_binary->@("data"), private_key_binary->@("size"), rsa_key);
AdamLog("@rsa_import: res: %d\n", res);
U8 sig[256];
U64 siglen = 256;
res = @rsa_create_signature(sig, &siglen, content_hash, 32, rsa_key);
AdamLog("@rsa_create_signature: res: %d\n", res);
U8* computed_sig = @base64_encode(sig, 256);
StrCpy(scratch_buffer, "");
String.Append(scratch_buffer, "keyId=\"%s#main-key\",", this_actor);
String.Append(scratch_buffer, "algorithm=\"rsa-sha256\",");
String.Append(scratch_buffer, "headers=\"(request-target) host date digest content-type\",");
String.Append(scratch_buffer, "signature=\"%s\"", computed_sig);
http_headers->set("Signature", scratch_buffer, JSON_STRING);
U8* fetch_buffer = CAlloc(HTTP_FETCH_BUFFER_SIZE, adam_task);
@http_response* resp = Http.Post(url, fetch_buffer, follow_object_s, http_headers);
if (!resp) {
@slon_log(LOG_HTTPD, "Could not POST Accept, invalid response from remote server");
Free(fetch_buffer);
return;
}
while (resp->state != HTTP_STATE_DONE) {
Sleep(1);
}
AdamLog("code: %d\n", resp->status.code);
Free(fetch_buffer);
}
U0 @slon_activitypub_async_create_status(JsonObject* status)
{
Sleep(2000);