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minimal: htt-client: send user agent and accept

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Some servers will 4xx us if they don't see these headers
This commit is contained in:
Andy Green 2021-06-22 15:23:51 +01:00
parent 3d13468e9d
commit 7a283eba05
1 changed files with 17 additions and 4 deletions
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21
minimal-examples/http-client/minimal-http-client/minimal-http-client.c
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@ -62,6 +62,11 @@ dump_conmon_data(struct lws *wsi)
}
#endif
static const char *ua = "Mozilla/5.0 (X11; Linux x86_64) "
"AppleWebKit/537.36 (KHTML, like Gecko) "
"Chrome/51.0.2704.103 Safari/537.36",
*acc = "*/*";
static int
callback_http(struct lws *wsi, enum lws_callback_reasons reason,
void *user, void *in, size_t len)
@ -104,12 +109,20 @@ callback_http(struct lws *wsi, enum lws_callback_reasons reason,
break;
#if defined(LWS_WITH_HTTP_BASIC_AUTH)
/* you only need this if you need to do Basic Auth */
case LWS_CALLBACK_CLIENT_APPEND_HANDSHAKE_HEADER:
{
unsigned char **p = (unsigned char **)in, *end = (*p) + len;
if (lws_add_http_header_by_token(wsi, WSI_TOKEN_HTTP_USER_AGENT,
(unsigned char *)ua, (int)strlen(ua), p, end))
return -1;
if (lws_add_http_header_by_token(wsi, WSI_TOKEN_HTTP_ACCEPT,
(unsigned char *)acc, (int)strlen(acc), p, end))
return -1;
#if defined(LWS_WITH_HTTP_BASIC_AUTH)
{
char b[128];
if (!ba_user || !ba_password)
@ -120,10 +133,10 @@ callback_http(struct lws *wsi, enum lws_callback_reasons reason,
if (lws_add_http_header_by_token(wsi, WSI_TOKEN_HTTP_AUTHORIZATION,
(unsigned char *)b, (int)strlen(b), p, end))
return -1;
}
#endif
break;
}
#endif
/* chunks of chunked content, with header removed */
case LWS_CALLBACK_RECEIVE_CLIENT_HTTP_READ: