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Add back a verify command. Remove unused and not very useful ssb.getMessage(). Make field ordering shenanigans more explicit.

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Cory McWilliams
2024-05-11 08:48:50 -04:00
parent 7caf4a0173
commit 11a6649847
5 changed files with 189 additions and 51 deletions
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107
src/ssb.db.c
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@ -735,12 +735,13 @@ bool tf_ssb_db_blob_store(tf_ssb_t* ssb, const uint8_t* blob, size_t size, char*
return result;
}
bool tf_ssb_db_get_message_by_author_and_sequence(
tf_ssb_t* ssb, const char* author, int64_t sequence, char* out_message_id, size_t out_message_id_size, double* out_timestamp, char** out_content)
bool tf_ssb_db_get_message_by_author_and_sequence(tf_ssb_t* ssb, const char* author, int64_t sequence, char* out_message_id, size_t out_message_id_size, char* out_previous,
size_t out_previous_size, char* out_author, size_t out_author_size, double* out_timestamp, char** out_content, char* out_hash, size_t out_hash_size, char* out_signature,
size_t out_signature_size, int* out_flags)
{
bool found = false;
sqlite3_stmt* statement;
const char* query = "SELECT id, timestamp, json(content) FROM messages WHERE author = ?1 AND sequence = ?2";
const char* query = "SELECT id, previous, author, timestamp, json(content), hash, signature, flags FROM messages WHERE author = ?1 AND sequence = ?2";
sqlite3* db = tf_ssb_acquire_db_reader(ssb);
if (sqlite3_prepare(db, query, -1, &statement, NULL) == SQLITE_OK)
{
@ -748,15 +749,45 @@ bool tf_ssb_db_get_message_by_author_and_sequence(
{
if (out_message_id)
{
strncpy(out_message_id, (const char*)sqlite3_column_text(statement, 0), out_message_id_size - 1);
snprintf(out_message_id, out_message_id_size, "%s", (const char*)sqlite3_column_text(statement, 0));
}
if (out_previous)
{
if (sqlite3_column_type(statement, 1) == SQLITE_NULL)
{
if (out_previous_size)
{
*out_previous = '\0';
}
}
else
{
snprintf(out_previous, out_previous_size, "%s", (const char*)sqlite3_column_text(statement, 1));
}
}
if (out_author)
{
snprintf(out_author, out_author_size, "%s", (const char*)sqlite3_column_text(statement, 2));
}
if (out_timestamp)
{
*out_timestamp = sqlite3_column_double(statement, 1);
*out_timestamp = sqlite3_column_double(statement, 3);
}
if (out_content)
{
*out_content = tf_strdup((const char*)sqlite3_column_text(statement, 2));
*out_content = tf_strdup((const char*)sqlite3_column_text(statement, 4));
}
if (out_hash)
{
snprintf(out_hash, out_hash_size, "%s", (const char*)sqlite3_column_text(statement, 5));
}
if (out_signature)
{
snprintf(out_signature, out_signature_size, "%s", (const char*)sqlite3_column_text(statement, 6));
}
if (out_flags)
{
*out_flags = sqlite3_column_int(statement, 7);
}
found = true;
}
@ -1592,6 +1623,7 @@ bool tf_ssb_db_set_account_password(tf_ssb_t* ssb, const char* name, const char*
if (sqlite3_bind_text(statement, 1, name, -1, NULL) == SQLITE_OK && sqlite3_bind_text(statement, 2, user_string, user_length, NULL) == SQLITE_OK)
{
result = sqlite3_step(statement) == SQLITE_DONE;
tf_printf("set account password = %d\n", result);
}
sqlite3_finalize(statement);
}
@ -1634,6 +1666,7 @@ bool tf_ssb_db_register_account(tf_ssb_t* ssb, const char* name, const char* pas
{
if (sqlite3_bind_text(statement, 1, value, value_length, NULL) == SQLITE_OK)
{
tf_printf("added user to properties\n");
result = sqlite3_step(statement) == SQLITE_DONE;
}
sqlite3_finalize(statement);
@ -1784,3 +1817,65 @@ void tf_ssb_db_resolve_index_async(tf_ssb_t* ssb, const char* host, void (*callb
};
tf_ssb_run_work(ssb, _tf_ssb_db_resolve_index_work, _tf_ssb_db_resolve_index_after_work, request);
}
bool tf_ssb_db_verify(tf_ssb_t* ssb, const char* id)
{
JSContext* context = tf_ssb_get_context(ssb);
bool verified = true;
int64_t sequence = -1;
if (tf_ssb_db_get_latest_message_by_author(ssb, id, &sequence, NULL, 0))
{
for (int64_t i = 1; i <= sequence; i++)
{
char message_id[k_id_base64_len];
char previous[256];
double timestamp;
char* content = NULL;
char hash[32];
char signature[256];
int flags = 0;
if (tf_ssb_db_get_message_by_author_and_sequence(ssb, id, i, message_id, sizeof(message_id), previous, sizeof(previous), NULL, 0, &timestamp, &content, hash,
sizeof(hash), signature, sizeof(signature), &flags))
{
JSValue message = tf_ssb_format_message(context, previous, id, i, timestamp, hash, content, signature, flags);
char calculated_id[k_id_base64_len];
char extracted_signature[256];
int calculated_flags = 0;
if (!tf_ssb_verify_and_strip_signature(context, message, calculated_id, sizeof(calculated_id), extracted_signature, sizeof(extracted_signature), &calculated_flags))
{
tf_printf("author=%s sequence=%" PRId64 " verify failed.\n", id, i);
verified = false;
}
if (calculated_flags != flags)
{
tf_printf("author=%s sequence=%" PRId64 " flag mismatch %d => %d.\n", id, i, flags, calculated_flags);
verified = false;
}
if (strcmp(message_id, calculated_id))
{
tf_printf("author=%s sequence=%" PRId64 " id mismatch %s => %s.\n", id, i, message_id, calculated_id);
verified = false;
}
JS_FreeValue(context, message);
tf_free(content);
if (!verified)
{
break;
}
}
else
{
tf_printf("Unable to find message with sequence=%" PRId64 " for author=%s.", i, id);
verified = false;
break;
}
}
}
else
{
tf_printf("Unable to get latest message for author '%s'.\n", id);
verified = false;
}
return verified;
}