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

This commit is contained in:
Cory McWilliams 2024-05-11 08:48:50 -04:00
parent 7caf4a0173
commit 11a6649847
5 changed files with 189 additions and 51 deletions

View File

@ -48,6 +48,7 @@ static int _tf_command_import(const char* file, int argc, char* argv[]);
static int _tf_command_export(const char* file, int argc, char* argv[]); static int _tf_command_export(const char* file, int argc, char* argv[]);
static int _tf_command_run(const char* file, int argc, char* argv[]); static int _tf_command_run(const char* file, int argc, char* argv[]);
static int _tf_command_sandbox(const char* file, int argc, char* argv[]); static int _tf_command_sandbox(const char* file, int argc, char* argv[]);
static int _tf_command_verify(const char* file, int argc, char* argv[]);
static int _tf_command_usage(const char* file); static int _tf_command_usage(const char* file);
typedef struct _command_t typedef struct _command_t
@ -62,6 +63,7 @@ const command_t k_commands[] = {
{ "sandbox", _tf_command_sandbox, "Run a sandboxed tildefriends sandbox process (used internally)." }, { "sandbox", _tf_command_sandbox, "Run a sandboxed tildefriends sandbox process (used internally)." },
{ "import", _tf_command_import, "Import apps to SSB." }, { "import", _tf_command_import, "Import apps to SSB." },
{ "export", _tf_command_export, "Export apps from SSB." }, { "export", _tf_command_export, "Export apps from SSB." },
{ "verify", _tf_command_verify, "Verify a feed." },
{ "test", _tf_command_test, "Test SSB." }, { "test", _tf_command_test, "Test SSB." },
}; };
@ -589,6 +591,59 @@ static int _tf_command_sandbox(const char* file, int argc, char* argv[])
return EXIT_SUCCESS; return EXIT_SUCCESS;
} }
static int _tf_command_verify(const char* file, int argc, char* argv[])
{
const char* identity = NULL;
const char* db_path = k_db_path_default;
bool show_usage = false;
while (!show_usage)
{
static const struct option k_options[] = {
{ "id", required_argument, NULL, 'u' },
{ "db-path", required_argument, NULL, 'd' },
{ "help", no_argument, NULL, 'h' },
{ 0 },
};
int c = getopt_long(argc, argv, "i:d:h", k_options, NULL);
if (c == -1)
{
break;
}
switch (c)
{
case '?':
case 'h':
default:
show_usage = true;
break;
case 'i':
identity = optarg;
break;
case 'd':
db_path = optarg;
break;
}
}
if (show_usage)
{
tf_printf("\n%s import [options] [paths...]\n\n", file);
tf_printf("options:\n");
tf_printf(" -i, --identity identity Identity to verify.\n");
tf_printf(" -d, --db-path db_path SQLite database path (default: %s).\n", k_db_path_default);
tf_printf(" -h, --help Show this usage information.\n");
return EXIT_FAILURE;
}
tf_printf("Verifying %s...\n", identity);
tf_ssb_t* ssb = tf_ssb_create(NULL, NULL, db_path, NULL);
bool verified = tf_ssb_db_verify(ssb, identity);
tf_ssb_destroy(ssb);
return verified ? EXIT_SUCCESS : EXIT_FAILURE;
}
#if !defined(__ANDROID__) #if !defined(__ANDROID__)
static int _tf_command_usage(const char* file) static int _tf_command_usage(const char* file)
{ {

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@ -1019,7 +1019,18 @@ static bool _tf_ssb_verify_and_strip_signature_internal(JSContext* context, JSVa
bool tf_ssb_verify_and_strip_signature(JSContext* context, JSValue val, char* out_id, size_t out_id_size, char* out_signature, size_t out_signature_size, int* out_flags) bool tf_ssb_verify_and_strip_signature(JSContext* context, JSValue val, char* out_id, size_t out_id_size, char* out_signature, size_t out_signature_size, int* out_flags)
{ {
if (_tf_ssb_verify_and_strip_signature_internal(context, val, out_id, out_id_size, out_signature, out_signature_size)) JSValue reordered = JS_NewObject(context);
JS_SetPropertyStr(context, reordered, "previous", JS_GetPropertyStr(context, val, "previous"));
JS_SetPropertyStr(context, reordered, "author", JS_GetPropertyStr(context, val, "author"));
JS_SetPropertyStr(context, reordered, "sequence", JS_GetPropertyStr(context, val, "sequence"));
JS_SetPropertyStr(context, reordered, "timestamp", JS_GetPropertyStr(context, val, "timestamp"));
JS_SetPropertyStr(context, reordered, "hash", JS_GetPropertyStr(context, val, "hash"));
JS_SetPropertyStr(context, reordered, "content", JS_GetPropertyStr(context, val, "content"));
JS_SetPropertyStr(context, reordered, "signature", JS_GetPropertyStr(context, val, "signature"));
bool result = _tf_ssb_verify_and_strip_signature_internal(context, reordered, out_id, out_id_size, out_signature, out_signature_size);
JS_FreeValue(context, reordered);
if (result)
{ {
if (out_flags) if (out_flags)
{ {
@ -1027,9 +1038,8 @@ bool tf_ssb_verify_and_strip_signature(JSContext* context, JSValue val, char* ou
} }
return true; return true;
} }
else
{ reordered = JS_NewObject(context);
JSValue reordered = JS_NewObject(context);
JS_SetPropertyStr(context, reordered, "previous", JS_GetPropertyStr(context, val, "previous")); JS_SetPropertyStr(context, reordered, "previous", JS_GetPropertyStr(context, val, "previous"));
JS_SetPropertyStr(context, reordered, "sequence", JS_GetPropertyStr(context, val, "sequence")); JS_SetPropertyStr(context, reordered, "sequence", JS_GetPropertyStr(context, val, "sequence"));
JS_SetPropertyStr(context, reordered, "author", JS_GetPropertyStr(context, val, "author")); JS_SetPropertyStr(context, reordered, "author", JS_GetPropertyStr(context, val, "author"));
@ -1037,7 +1047,7 @@ bool tf_ssb_verify_and_strip_signature(JSContext* context, JSValue val, char* ou
JS_SetPropertyStr(context, reordered, "hash", JS_GetPropertyStr(context, val, "hash")); JS_SetPropertyStr(context, reordered, "hash", JS_GetPropertyStr(context, val, "hash"));
JS_SetPropertyStr(context, reordered, "content", JS_GetPropertyStr(context, val, "content")); JS_SetPropertyStr(context, reordered, "content", JS_GetPropertyStr(context, val, "content"));
JS_SetPropertyStr(context, reordered, "signature", JS_GetPropertyStr(context, val, "signature")); JS_SetPropertyStr(context, reordered, "signature", JS_GetPropertyStr(context, val, "signature"));
bool result = _tf_ssb_verify_and_strip_signature_internal(context, reordered, out_id, out_id_size, out_signature, out_signature_size); result = _tf_ssb_verify_and_strip_signature_internal(context, reordered, out_id, out_id_size, out_signature, out_signature_size);
JS_FreeValue(context, reordered); JS_FreeValue(context, reordered);
if (result) if (result)
{ {
@ -1047,7 +1057,7 @@ bool tf_ssb_verify_and_strip_signature(JSContext* context, JSValue val, char* ou
} }
return true; return true;
} }
}
return false; return false;
} }
@ -3608,7 +3618,6 @@ void tf_ssb_verify_strip_and_store_message(tf_ssb_t* ssb, JSValue value, tf_ssb_
} }
else else
{ {
printf("nope\n");
_tf_ssb_verify_strip_and_store_finish(async); _tf_ssb_verify_strip_and_store_finish(async);
} }
} }

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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; return result;
} }
bool tf_ssb_db_get_message_by_author_and_sequence( 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,
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) 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; bool found = false;
sqlite3_stmt* statement; 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); sqlite3* db = tf_ssb_acquire_db_reader(ssb);
if (sqlite3_prepare(db, query, -1, &statement, NULL) == SQLITE_OK) 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) 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) if (out_timestamp)
{ {
*out_timestamp = sqlite3_column_double(statement, 1); *out_timestamp = sqlite3_column_double(statement, 3);
} }
if (out_content) 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; 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) 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; result = sqlite3_step(statement) == SQLITE_DONE;
tf_printf("set account password = %d\n", result);
} }
sqlite3_finalize(statement); 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) 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; result = sqlite3_step(statement) == SQLITE_DONE;
} }
sqlite3_finalize(statement); 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); 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;
}

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@ -126,8 +126,9 @@ JSValue tf_ssb_db_get_message_by_id(tf_ssb_t* ssb, const char* id, bool is_keys)
** @param[out] out_content Populated with the message content. Free with tf_free(). ** @param[out] out_content Populated with the message content. Free with tf_free().
** @return True if the message was found and retrieved. ** @return True if the message was found and retrieved.
*/ */
bool tf_ssb_db_get_message_by_author_and_sequence( 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,
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); 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);
/** /**
** Get information about the last message from an author. ** Get information about the last message from an author.
@ -379,6 +380,8 @@ bool tf_ssb_db_set_property(tf_ssb_t* ssb, const char* id, const char* key, cons
*/ */
void tf_ssb_db_resolve_index_async(tf_ssb_t* ssb, const char* host, void (*callback)(const char* path, void* user_data), void* user_data); void tf_ssb_db_resolve_index_async(tf_ssb_t* ssb, const char* host, void (*callback)(const char* path, void* user_data), void* user_data);
bool tf_ssb_db_verify(tf_ssb_t* ssb, const char* id);
/** /**
** An SQLite authorizer callback. See https://www.sqlite.org/c3ref/set_authorizer.html for use. ** An SQLite authorizer callback. See https://www.sqlite.org/c3ref/set_authorizer.html for use.
** @param user_data User data registered with the authorizer. ** @param user_data User data registered with the authorizer.

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@ -576,29 +576,6 @@ static JSValue _tf_ssb_appendMessageWithIdentity(JSContext* context, JSValueCons
return result; return result;
} }
static JSValue _tf_ssb_getMessage(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{
JSValue result = JS_NULL;
tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
if (ssb)
{
const char* id = JS_ToCString(context, argv[0]);
int64_t sequence = 0;
JS_ToInt64(context, &sequence, argv[1]);
double timestamp = -1.0;
char* contents = NULL;
if (tf_ssb_db_get_message_by_author_and_sequence(ssb, id, sequence, NULL, 0, &timestamp, &contents))
{
result = JS_NewObject(context);
JS_SetPropertyStr(context, result, "timestamp", JS_NewFloat64(context, timestamp));
JS_SetPropertyStr(context, result, "content", JS_NewString(context, contents));
tf_free(contents);
}
JS_FreeCString(context, id);
}
return result;
}
static JSValue _tf_ssb_blobGet(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv) static JSValue _tf_ssb_blobGet(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{ {
JSValue result = JS_NULL; JSValue result = JS_NULL;
@ -1891,7 +1868,6 @@ void tf_ssb_register(JSContext* context, tf_ssb_t* ssb)
JS_SetPropertyStr(context, object, "getAllIdentities", JS_NewCFunction(context, _tf_ssb_getAllIdentities, "getAllIdentities", 0)); JS_SetPropertyStr(context, object, "getAllIdentities", JS_NewCFunction(context, _tf_ssb_getAllIdentities, "getAllIdentities", 0));
JS_SetPropertyStr(context, object, "getActiveIdentity", JS_NewCFunction(context, _tf_ssb_getActiveIdentity, "getActiveIdentity", 3)); JS_SetPropertyStr(context, object, "getActiveIdentity", JS_NewCFunction(context, _tf_ssb_getActiveIdentity, "getActiveIdentity", 3));
JS_SetPropertyStr(context, object, "getIdentityInfo", JS_NewCFunction(context, _tf_ssb_getIdentityInfo, "getIdentityInfo", 3)); JS_SetPropertyStr(context, object, "getIdentityInfo", JS_NewCFunction(context, _tf_ssb_getIdentityInfo, "getIdentityInfo", 3));
JS_SetPropertyStr(context, object, "getMessage", JS_NewCFunction(context, _tf_ssb_getMessage, "getMessage", 2));
JS_SetPropertyStr(context, object, "blobGet", JS_NewCFunction(context, _tf_ssb_blobGet, "blobGet", 1)); JS_SetPropertyStr(context, object, "blobGet", JS_NewCFunction(context, _tf_ssb_blobGet, "blobGet", 1));
JS_SetPropertyStr(context, object, "messageContentGet", JS_NewCFunction(context, _tf_ssb_messageContentGet, "messageContentGet", 1)); JS_SetPropertyStr(context, object, "messageContentGet", JS_NewCFunction(context, _tf_ssb_messageContentGet, "messageContentGet", 1));
JS_SetPropertyStr(context, object, "connections", JS_NewCFunction(context, _tf_ssb_connections, "connections", 0)); JS_SetPropertyStr(context, object, "connections", JS_NewCFunction(context, _tf_ssb_connections, "connections", 0));