Hoa V. DINH
10 years ago
parent
b4edf1bac7
commit
20aa2b2b15
Binary file not shown.
@ -0,0 +1,98 @@
|
||||
#include "mailsmtp_oauth2.h"
|
||||
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#include "base64.h"
|
||||
#include "mailsmtp_private.h"
|
||||
|
||||
#define SMTP_STRING_SIZE 513
|
||||
|
||||
LIBETPAN_EXPORT
|
||||
int mailsmtp_oauth2_authenticate(mailsmtp * session, const char * auth_user,
|
||||
const char * access_token)
|
||||
{
|
||||
int r;
|
||||
char command[SMTP_STRING_SIZE];
|
||||
char * ptr;
|
||||
char * full_auth_string;
|
||||
char * full_auth_string_b64;
|
||||
int auth_user_len;
|
||||
int access_token_len;
|
||||
int full_auth_string_len;
|
||||
int res;
|
||||
|
||||
full_auth_string = NULL;
|
||||
full_auth_string_b64 = NULL;
|
||||
|
||||
/* Build client response string */
|
||||
auth_user_len = strlen(auth_user);
|
||||
access_token_len = strlen(access_token);
|
||||
full_auth_string_len = 5 + auth_user_len + 1 + 12 + access_token_len + 2;
|
||||
full_auth_string = malloc(full_auth_string_len + 1);
|
||||
if (full_auth_string == NULL) {
|
||||
res = MAILSMTP_ERROR_MEMORY;
|
||||
goto free;
|
||||
}
|
||||
|
||||
ptr = memcpy(full_auth_string, "user=", 5);
|
||||
ptr = memcpy(ptr + 5, auth_user, auth_user_len);
|
||||
ptr = memcpy(ptr + auth_user_len, "\1auth=Bearer ", 13);
|
||||
ptr = memcpy(ptr + 13, access_token, access_token_len);
|
||||
ptr = memcpy(ptr + access_token_len, "\1\1\0", 3);
|
||||
|
||||
/* Convert to base64 */
|
||||
full_auth_string_b64 = encode_base64(full_auth_string, full_auth_string_len);
|
||||
if (full_auth_string_b64 == NULL) {
|
||||
res = MAILSMTP_ERROR_MEMORY;
|
||||
goto free;
|
||||
}
|
||||
|
||||
snprintf(command, SMTP_STRING_SIZE, "AUTH XOAUTH2 %s\r\n", full_auth_string_b64);
|
||||
r = mailsmtp_send_command(session, command);
|
||||
if (r == -1) {
|
||||
res = MAILSMTP_ERROR_STREAM;
|
||||
goto free;
|
||||
}
|
||||
|
||||
r = mailsmtp_read_response(session);
|
||||
switch (r) {
|
||||
case 220:
|
||||
case 235:
|
||||
res = MAILSMTP_NO_ERROR;
|
||||
goto free;
|
||||
|
||||
case 334:
|
||||
/* AUTH in progress */
|
||||
|
||||
/* There's probably an error, send an empty line as acknowledgement. */
|
||||
snprintf(command, SMTP_STRING_SIZE, "\r\n");
|
||||
r = mailsmtp_send_command(session, command);
|
||||
if (r == -1) {
|
||||
res = MAILSMTP_ERROR_STREAM;
|
||||
goto free;
|
||||
}
|
||||
|
||||
r = mailsmtp_read_response(session);
|
||||
switch (r) {
|
||||
case 535:
|
||||
res = MAILSMTP_ERROR_AUTH_LOGIN;
|
||||
goto free;
|
||||
|
||||
default:
|
||||
res = MAILSMTP_ERROR_UNEXPECTED_CODE;
|
||||
goto free;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
res = MAILSMTP_ERROR_UNEXPECTED_CODE;
|
||||
goto free;
|
||||
}
|
||||
|
||||
free:
|
||||
free(full_auth_string);
|
||||
free(full_auth_string_b64);
|
||||
return res;
|
||||
}
|
||||
@ -0,0 +1,11 @@
|
||||
#ifndef MAILSMTP_OAUTH2_H
|
||||
|
||||
#define MAILSMTP_OAUTH2_H
|
||||
|
||||
#include <libetpan/mailsmtp_types.h>
|
||||
|
||||
LIBETPAN_EXPORT
|
||||
int mailsmtp_oauth2_authenticate(mailsmtp * session, const char * auth_user,
|
||||
const char * access_token);
|
||||
|
||||
#endif
|
||||
@ -0,0 +1,11 @@
|
||||
#ifndef MAILSMTP_PRIVATE_H
|
||||
|
||||
#define MAILSMTP_PRIVATE_H
|
||||
|
||||
#include <libetpan/mailsmtp_types.h>
|
||||
|
||||
int mailsmtp_send_command(mailsmtp * f, char * command);
|
||||
|
||||
int mailsmtp_read_response(mailsmtp * session);
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue