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Message IDs are apparently generated from the latin1 encoding of a message. Added a command to check/fix that.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3833 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams
2022-02-10 03:58:33 +00:00
parent 557ae6ee5a
commit d4135f7133
6 changed files with 205 additions and 13 deletions
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98
src/ssb.db.c
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@ -507,3 +507,101 @@ void tf_ssb_db_visit_query(tf_ssb_t* ssb, const char* query, const JSValue binds
}
sqlite3_set_authorizer(db, NULL, NULL);
}
static JSValue _tf_ssb_format_message(JSContext* context, const char* previous, const char* author, int64_t sequence, int64_t timestamp, const char* hash, const char* content, const char* signature, bool sequence_before_author)
{
JSValue value = JS_NewObject(context);
JS_SetPropertyStr(context, value, "previous", previous ? JS_NewString(context, previous) : JS_NULL);
if (sequence_before_author)
{
JS_SetPropertyStr(context, value, "sequence", JS_NewInt64(context, sequence));
JS_SetPropertyStr(context, value, "author", JS_NewString(context, author));
}
else
{
JS_SetPropertyStr(context, value, "author", JS_NewString(context, author));
JS_SetPropertyStr(context, value, "sequence", JS_NewInt64(context, sequence));
}
JS_SetPropertyStr(context, value, "timestamp", JS_NewInt64(context, timestamp));
JS_SetPropertyStr(context, value, "hash", JS_NewString(context, hash));
JS_SetPropertyStr(context, value, "content", JS_ParseJSON(context, content, strlen(content), NULL));
JS_SetPropertyStr(context, value, "signature", JS_NewString(context, signature));
return value;
}
bool _tf_ssb_update_message_id(sqlite3* db, const char* old_id, const char* new_id)
{
bool success = false;
sqlite3_stmt* statement = NULL;
if (sqlite3_prepare(db, "UPDATE messages SET id = ? WHERE id = ?", -1, &statement, NULL) == SQLITE_OK)
{
if (sqlite3_bind_text(statement, 1, new_id, -1, NULL) == SQLITE_OK &&
sqlite3_bind_text(statement, 2, old_id, -1, NULL) == SQLITE_OK)
{
success = sqlite3_step(statement) == SQLITE_DONE;
}
sqlite3_finalize(statement);
}
return success;
}
bool tf_ssb_db_check(sqlite3* db)
{
JSRuntime* runtime = JS_NewRuntime();
JSContext* context = JS_NewContext(runtime);
sqlite3_stmt* statement = NULL;
if (sqlite3_prepare(db, "SELECT id, previous, author, sequence, timestamp, hash, content, signature, sequence_before_author FROM messages ORDER BY author, sequence", -1, &statement, NULL) == SQLITE_OK)
{
char previous_id[k_id_base64_len];
while (sqlite3_step(statement) == SQLITE_ROW)
{
const char* id = (const char*)sqlite3_column_text(statement, 0);
const char* previous = (const char*)sqlite3_column_text(statement, 1);
const char* author = (const char*)sqlite3_column_text(statement, 2);
int64_t sequence = sqlite3_column_int64(statement, 3);
int64_t timestamp = sqlite3_column_int64(statement, 4);
const char* hash = (const char*)sqlite3_column_text(statement, 5);
const char* content = (const char*)sqlite3_column_text(statement, 6);
const char* signature = (const char*)sqlite3_column_text(statement, 7);
bool sequence_before_author = sqlite3_column_int(statement, 8);
JSValue message = _tf_ssb_format_message(context, previous, author, sequence, timestamp, hash, content, signature, sequence_before_author);
char out_signature[512];
char actual_id[k_id_base64_len];
bool actual_sequence_before_author = false;
JSValue j = JS_JSONStringify(context, message, JS_NULL, JS_NewInt32(context, 2));
const char* jv = JS_ToCString(context, j);
if (tf_ssb_verify_and_strip_signature(context, message, actual_id, sizeof(actual_id), out_signature, sizeof(out_signature), &actual_sequence_before_author))
{
/*if (previous && strcmp(previous, previous_id))
{
printf("%s:%d previous was %s should be %s\n", id, (int)sequence, previous_id, previous);
}*/
if (strcmp(id, actual_id))
{
if (_tf_ssb_update_message_id(db, id, actual_id))
{
printf("updated %s to %s\n", id, actual_id);
}
else
{
printf("failed to update %s to %s\n", id, actual_id);
}
}
}
else
{
printf("unable to verify signature for %s\n", id);
}
JS_FreeCString(context, jv);
JS_FreeValue(context, j);
snprintf(previous_id, sizeof(previous_id), "%s", id);
JS_FreeValue(context, message);
}
sqlite3_finalize(statement);
}
JS_FreeContext(context);
JS_FreeRuntime(runtime);
return false;
}