cory/tildefriends
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Add a button in the profile editor to ask the server to follow you. I'm hoping this helps replicating accounts that are otherwise difficult to discover.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4558 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams 2023-10-20 14:37:24 +00:00
parent 6dae2f0749
commit 6db1a097aa
6 changed files with 188 additions and 15 deletions
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3
apps/ssb.json
View File

@ -1,4 +1,5 @@
{
"type": "tildefriends-app",
"emoji": "🐌"
"emoji": "🐌",
"previous": "&Vm+p2yc+lC+wd71VVNRmEGpaePRsnwyknk+qI9hphjQ=.sha256"
}

6
apps/ssb/app.js
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@ -18,6 +18,12 @@ tfrpc.register(async function databaseSet(key, value) {
tfrpc.register(async function createIdentity() {
return ssb.createIdentity();
});
tfrpc.register(async function getServerIdentity() {
return ssb.getServerIdentity();
});
tfrpc.register(async function setServerFollowingMe(id, following) {
return ssb.setServerFollowingMe(id, following);
});
tfrpc.register(async function getIdentities() {
return ssb.getIdentities();
});

41
apps/ssb/tf-profile.js
View File

@ -11,6 +11,7 @@ class TfProfileElement extends LitElement {
id: {type: String},
users: {type: Object},
size: {type: Number},
server_follows_me: {type: Boolean},
};
}
@ -24,6 +25,23 @@ class TfProfileElement extends LitElement {
this.id = null;
this.users = {};
this.size = 0;
this.server_follows_me = undefined;
}
async initial_load() {
this.server_follows_me = undefined;
let server_id = await tfrpc.rpc.getServerIdentity();
let followed = await tfrpc.rpc.query(`
SELECT json_extract(content, '$.following') AS following FROM messages
WHERE author = ? AND
json_extract(content, '$.type') = 'contact' AND
json_extract(content, '$.contact') = ? ORDER BY sequence DESC LIMIT 1
`, [server_id, this.whoami]);
let is_followed = false;
for (let row of followed) {
is_followed = row.following != 0;
}
this.server_follows_me = is_followed;
}
modify(change) {
@ -103,7 +121,23 @@ class TfProfileElement extends LitElement {
input.click();
}
async server_follow_me(follow) {
try {
await tfrpc.rpc.setServerFollowingMe(this.whoami, follow);
} catch (e) {
console.log(e);
}
try {
await this.initial_load();
} catch (e) {
console.log(e);
}
}
render() {
if (this.id == this.whoami && this.editing && this.server_follows_me === undefined) {
this.initial_load();
}
let self = this;
let profile = this.users[this.id] || {};
tfrpc.rpc.query(
@ -116,9 +150,16 @@ class TfProfileElement extends LitElement {
let block;
if (this.id === this.whoami) {
if (this.editing) {
let server_follow;
if (this.server_follows_me === true) {
server_follow = html`<input type="button" value="Server, Stop Following Me" @click=${() => this.server_follow_me(false)}></input>`;
} else if (this.server_follows_me === false) {
server_follow = html`<input type="button" value="Server, Follow Me" @click=${() => this.server_follow_me(true)}></input>`;
}
edit = html`
<input type="button" value="Save Profile" @click=${this.save_edits}></input>
<input type="button" value="Discard" @click=${this.discard_edits}></input>
${server_follow}
`;
} else {
edit = html`<input type="button" value="Edit Profile" @click=${this.edit}></input>`;

9
core/core.js
View File

@ -421,6 +421,13 @@ async function getProcessBlob(blobId, key, options) {
return ssb.privateMessageDecrypt(process.credentials.session.name, id, message);
}
};
imports.ssb.setServerFollowingMe = function(id, following) {
if (process.credentials &&
process.credentials.session &&
process.credentials.session.name) {
return ssb.setServerFollowingMe(process.credentials.session.name, id, following);
}
};
imports.fetch = function(url, options) {
return http.fetch(url, options, gGlobalSettings.fetch_hosts);
}
@ -683,7 +690,7 @@ async function blobHandler(request, response, blobId, uri) {
if (!uri) {
response.writeHead(303, {"Location": (request.client.tls ? 'https://' : 'http://') + request.headers.host + blobId + '/', "Content-Length": "0"});
response.end(data);
response.end();
return;
}

73
src/ssb.db.c
View File

@ -1258,7 +1258,10 @@ void tf_ssb_db_identity_visit_all(tf_ssb_t* ssb, void (*callback)(const char* id
bool tf_ssb_db_identity_get_private_key(tf_ssb_t* ssb, const char* user, const char* public_key, uint8_t* out_private_key, size_t private_key_size)
{
bool success = false;
memset(out_private_key, 0, crypto_sign_SECRETKEYBYTES);
if (out_private_key)
{
memset(out_private_key, 0, private_key_size);
}
sqlite3* db = tf_ssb_acquire_db_reader(ssb);
sqlite3_stmt* statement = NULL;
if (sqlite3_prepare(db, "SELECT private_key FROM identities WHERE user = ? AND public_key = ?", -1, &statement, NULL) == SQLITE_OK)
@ -1269,9 +1272,16 @@ bool tf_ssb_db_identity_get_private_key(tf_ssb_t* ssb, const char* user, const c
if (sqlite3_step(statement) == SQLITE_ROW)
{
const char* key = (const char*)sqlite3_column_text(statement, 0);
if (out_private_key && private_key_size)
{
int r = tf_base64_decode(key, sqlite3_column_bytes(statement, 0) - strlen(".ed25519"), out_private_key, private_key_size);
success = r > 0;
}
else
{
success = true;
}
}
}
sqlite3_finalize(statement);
}
@ -1289,6 +1299,7 @@ typedef struct _following_t
int following_count;
int blocking_count;
int depth;
int ref_count;
} following_t;
static int _following_compare(const void* a, const void* b)
@ -1301,7 +1312,7 @@ static int _following_compare(const void* a, const void* b)
static void _add_following_entry(following_t*** list, int* count, following_t* add)
{
int index = tf_util_insert_index(add->id, *list, *count, sizeof(following_t*), _following_compare);
if (index >= *count || strcmp(add->id, (*list)[index]->id) == 0)
if (index >= *count || strcmp(add->id, (*list)[index]->id) != 0)
{
*list = tf_resize_vec(*list, sizeof(**list) * (*count + 1));
if (*count - index)
@ -1309,6 +1320,21 @@ static void _add_following_entry(following_t*** list, int* count, following_t* a
memmove(*list + index + 1, *list + index, sizeof(following_t*) * (*count - index));
}
(*list)[index] = add;
(*count)++;
}
}
static void _remove_following_entry(following_t*** list, int* count, following_t* remove)
{
int index = tf_util_insert_index(remove->id, *list, *count, sizeof(following_t*), _following_compare);
if (index < *count && strcmp(remove->id, (*list)[index]->id) == 0)
{
if (*count - index > 1)
{
memmove(*list + index, *list + index + 1, sizeof(following_t*) * (*count - index));
}
*list = tf_resize_vec(*list, sizeof(**list) * (*count - 1));
(*count)--;
}
}
@ -1354,21 +1380,31 @@ static following_t* _get_following(tf_ssb_t* ssb, const char* id, following_t***
const char* contact = (const char*)sqlite3_column_text(statement, 0);
if (sqlite3_column_type(statement, 1) != SQLITE_NULL)
{
bool is_following = sqlite3_column_int(statement, 1);
bool is_following = sqlite3_column_int(statement, 1) != 0;
following_t* next = _get_following(ssb, contact, following, following_count, depth + 1, max_depth);
if (is_following)
{
_add_following_entry(&entry->following, &entry->following_count, next);
next->ref_count++;
}
else
{
_remove_following_entry(&entry->following, &entry->following_count, next);
next->ref_count--;
}
}
if (sqlite3_column_type(statement, 2) != SQLITE_NULL)
{
bool is_blocking = sqlite3_column_int(statement, 2);
bool is_blocking = sqlite3_column_int(statement, 2 != 0);
following_t* next = _get_following(ssb, contact, following, following_count, depth + 1, 0 /* don't dig deeper into blocked users */);
if (is_blocking)
{
_add_following_entry(&entry->blocking, &entry->blocking_count, next);
}
else
{
_remove_following_entry(&entry->blocking, &entry->blocking_count, next);
}
}
}
}
@ -1385,18 +1421,33 @@ const char** tf_ssb_db_following_deep(tf_ssb_t* ssb, const char** ids, int count
int following_count = 0;
for (int i = 0; i < count; i++)
{
_get_following(ssb, ids[i], &following, &following_count, 0, depth);
following_t* entry = _get_following(ssb, ids[i], &following, &following_count, 0, depth);
entry->ref_count++;
}
char** result = tf_malloc(sizeof(char*) * (following_count + 1) + k_id_base64_len * following_count);
char* result_ids = (char*)result + sizeof(char*) * (following_count + 1);
int actual_following_count = 0;
for (int i = 0; i < following_count; i++)
{
result[i] = result_ids + k_id_base64_len * i;
snprintf(result[i], k_id_base64_len, "%s", following[i]->id);
if (following[i]->ref_count > 0)
{
actual_following_count++;
}
result[following_count] = NULL;
}
char** result = tf_malloc(sizeof(char*) * (actual_following_count + 1) + k_id_base64_len * actual_following_count);
char* result_ids = (char*)result + sizeof(char*) * (actual_following_count + 1);
int write_index = 0;
for (int i = 0; i < following_count; i++)
{
if (following[i]->ref_count > 0)
{
result[write_index] = result_ids + k_id_base64_len * write_index;
snprintf(result[write_index], k_id_base64_len, "%s", following[i]->id);
write_index++;
}
}
result[actual_following_count] = NULL;
for (int i = 0; i < following_count; i++)
{

67
src/ssb.js.c
View File

@ -29,6 +29,7 @@ static const int k_sql_async_timeout_ms = 60 * 1000;
static JSClassID _tf_ssb_classId;
void _tf_ssb_on_rpc(tf_ssb_connection_t* connection, uint8_t flags, int32_t request_number, JSValue args, const uint8_t* message, size_t size, void* user_data);
static JSValue _tf_ssb_appendMessageWithIdentity(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv);
static JSValue _tf_ssb_createIdentity(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
@ -63,6 +64,71 @@ static JSValue _tf_ssb_createIdentity(JSContext* context, JSValueConst this_val,
return result;
}
static JSValue _set_server_following_internal(tf_ssb_t* ssb, JSValueConst this_val, JSValue id, JSValue following)
{
JSContext* context = tf_ssb_get_context(ssb);
JSValue message = JS_NewObject(context);
JSValue server_user = JS_NewString(context, ":admin");
char server_id_buffer[k_id_base64_len] = { 0 };
tf_ssb_whoami(ssb, server_id_buffer, sizeof(server_id_buffer));
JSValue server_id = JS_NewString(context, server_id_buffer);
JS_SetPropertyStr(context, message, "type", JS_NewString(context, "contact"));
JS_SetPropertyStr(context, message, "contact", JS_DupValue(context, id));
JS_SetPropertyStr(context, message, "following", JS_DupValue(context, following));
JSValue args[] =
{
server_user,
server_id,
message,
};
JSValue result = _tf_ssb_appendMessageWithIdentity(context, this_val, _countof(args), args);
JS_FreeValue(context, server_id);
JS_FreeValue(context, server_user);
JS_FreeValue(context, message);
return result;
}
static JSValue _tf_ssb_set_server_following_me(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
JSValue result = JS_UNDEFINED;
if (ssb)
{
char server_id[k_id_base64_len];
tf_ssb_whoami(ssb, server_id, sizeof(server_id));
const char* user = JS_ToCString(context, argv[0]);
const char* key = JS_ToCString(context, argv[1]);
if (!tf_ssb_db_identity_get_private_key(ssb, user, key, NULL, 0))
{
result = JS_ThrowInternalError(context, "User %s does not own key %s.", user, key);
}
else
{
const char* server_id_ptr = server_id;
const char** current_following = tf_ssb_db_following_deep(ssb, &server_id_ptr, 1, 1);
bool is_following = false;
for (const char** it = current_following; *it; it++)
{
if (strcmp(key, *it) == 0)
{
is_following = true;
break;
}
}
tf_free(current_following);
bool want_following = JS_ToBool(context, argv[2]);
if ((want_following && !is_following) || (!want_following && is_following))
{
result = _set_server_following_internal(ssb, this_val, argv[1], argv[2]);
}
}
JS_FreeCString(context, key);
JS_FreeCString(context, user);
}
return result;
}
typedef struct _identities_visit_t
{
JSContext* context;
@ -1465,6 +1531,7 @@ void tf_ssb_register(JSContext* context, tf_ssb_t* ssb)
/* Requires an identity. */
JS_SetPropertyStr(context, object, "createIdentity", JS_NewCFunction(context, _tf_ssb_createIdentity, "createIdentity", 1));
JS_SetPropertyStr(context, object, "setServerFollowingMe", JS_NewCFunction(context, _tf_ssb_set_server_following_me, "setServerFollowingMe", 3));
JS_SetPropertyStr(context, object, "getIdentities", JS_NewCFunction(context, _tf_ssb_getIdentities, "getIdentities", 1));
JS_SetPropertyStr(context, object, "hmacsha256sign", JS_NewCFunction(context, _tf_ssb_hmacsha256_sign, "hmacsha256sign", 3));
JS_SetPropertyStr(context, object, "hmacsha256verify", JS_NewCFunction(context, _tf_ssb_hmacsha256_verify, "hmacsha256verify", 3));