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/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2021 microDev
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "py/mphal.h"
#include "shared/readline/readline.h"
#include "shared-module/getpass/__init__.h"
mp_obj_t shared_module_getpass_getpass(const char *prompt, mp_print_t *print) {
vstr_t vstr;
vstr_init(&vstr, 16);
if (print == NULL) {
mp_hal_stdout_tx_str(prompt);
} else {
mp_printf(print, prompt);
}
for (;;) {
int c = mp_hal_stdin_rx_chr();
if (c == CHAR_CTRL_C) {
mp_raise_type(&mp_type_KeyboardInterrupt);
} else if (c == CHAR_CTRL_D && vstr.len == 0) {
mp_raise_type(&mp_type_EOFError);
} else if (c == 8 || c == 127) {
// backspace
vstr_cut_tail_bytes(&vstr, 1);
} else if (c >= 32) {
// printable character
vstr_ins_char(&vstr, vstr.len, c);
} else if (c == '\r') {
// newline
mp_hal_stdout_tx_str("\r\n");
break;
}
}
return mp_obj_new_str_from_vstr(&mp_type_str, &vstr);
}
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