Files
OpenBK7231T_App/src/httpserver/new_http.c
2022-04-23 18:07:00 +02:00

541 lines
15 KiB
C

#include "../new_common.h"
#include "../logging/logging.h"
#include "ctype.h"
#include "new_http.h"
#include "http_fns.h"
#include "../new_pins.h"
#include "../new_cfg.h"
#include "../ota/ota.h"
#include "../hal/hal_wifi.h"
// define the feature ADDLOGF_XXX will use
#define LOG_FEATURE LOG_FEATURE_HTTP
const char httpHeader[] = "HTTP/1.1 %d OK\nContent-type: %s" ; // HTTP header
const char httpMimeTypeHTML[] = "text/html" ; // HTML MIME type
const char httpMimeTypeText[] = "text/plain" ; // TEXT MIME type
const char httpMimeTypeJson[] = "application/json" ; // TEXT MIME type
const char httpMimeTypeBinary[] = "application/octet-stream" ; // binary/file MIME type
const char htmlHeader[] = "<!DOCTYPE html><html><body>" ;
const char htmlEnd[] = "</body></html>" ;
const char htmlReturnToMenu[] = "<a href=\"index\">Return to menu</a>";
const char htmlReturnToCfg[] = "<a href=\"cfg\">Return to cfg</a>";
// make sure that USER_SW_VER is set on all platforms
#ifndef USER_SW_VER
#ifdef WINDOWS
#define USER_SW_VER "Win_Test"
#elif PLATFORM_XR809
#define USER_SW_VER "XR809_Test"
#elif defined(PLATFORM_BK7231N)
#define USER_SW_VER "BK7231N_Test"
#elif defined(PLATFORM_BK7231T)
#define USER_SW_VER "BK7231T_Test"
#else
#define USER_SW_VER "unknown"
#endif
#endif
const char *g_build_str = "Build on " __DATE__ " " __TIME__ " version " USER_SW_VER; // Show GIT version at Build line;
const char httpCorsHeaders[] = "Access-Control-Allow-Origin: *\r\nAccess-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept" ; // TEXT MIME type
const char *methodNames[] = {
"GET",
"PUT",
"POST",
"OPTIONS"
};
#if WINDOWS
#define os_free free
#define os_malloc malloc
#endif
void misc_formatUpTimeString(int totalSeconds, char *o);
int Time_getUpTimeSeconds();
typedef struct http_callback_tag {
char *url;
int method;
http_callback_fn callback;
} http_callback_t;
#define MAX_HTTP_CALLBACKS 32
static http_callback_t *callbacks[MAX_HTTP_CALLBACKS];
static int numCallbacks = 0;
int HTTP_RegisterCallback( const char *url, int method, http_callback_fn callback){
if (!url || !callback){
return -1;
}
if (numCallbacks >= MAX_HTTP_CALLBACKS){
return -4;
}
callbacks[numCallbacks] = (http_callback_t*)os_malloc(sizeof(http_callback_t));
if (!callbacks[numCallbacks]){
return -2;
}
callbacks[numCallbacks]->url = (char *)os_malloc(strlen(url)+1);
if (!callbacks[numCallbacks]->url){
os_free(callbacks[numCallbacks]);
return -3;
}
strcpy(callbacks[numCallbacks]->url, url);
callbacks[numCallbacks]->callback = callback;
callbacks[numCallbacks]->method = method;
numCallbacks++;
// success
return 0;
}
int my_strnicmp(char *a, char *b, int len){
int i;
for (i = 0; i < len; i++){
char x = *a;
char y = *b;
if (!x || !y) return 1;
if ((x | 0x20) != (y | 0x20)) return 1;
a++;
b++;
}
return 0;
}
bool http_startsWith(const char *base, const char *substr) {
while(*substr != 0) {
if(*base != *substr)
return false;
if(*base == 0)
return false;
base++;
substr++;
}
return true;
}
bool http_checkUrlBase(const char *base, const char *fileName) {
while(*base != 0 && *base != '?' && *base != ' ') {
if(*base != *fileName)
return false;
if(*base == 0)
return false;
base++;
fileName++;
}
if(*fileName != 0)
return false;
return true;
}
void http_setup(http_request_t *request, const char *type){
hprintf128(request, httpHeader, request->responseCode, type);
poststr(request,"\r\n"); // next header
poststr(request,httpCorsHeaders);
poststr(request,"\r\n"); // end headers with double CRLF
poststr(request,"\r\n");
}
const char *http_checkArg(const char *p, const char *n) {
while(1) {
if(*n == 0 && (*p == 0 || *p == '='))
return p;
if(*p != *n)
return 0;
p++;
n++;
}
return p;
}
void http_copyCarg(const char *atin, char *to, int maxSize) {
int a, b;
const unsigned char *at = (unsigned char *)atin;
while(*at != 0 && *at != '&' && *at != ' ' && maxSize > 1) {
#if 0
*to = *at;
to++;
at++;
maxSize--;
#else
if ((*at == '%') &&
((a = at[1]) && (b = at[2])) &&
(isxdigit(a) && isxdigit(b))) {
if (a >= 'a')
a -= 'a'-'A';
if (a >= 'A')
a -= ('A' - 10);
else
a -= '0';
if (b >= 'a')
b -= 'a'-'A';
if (b >= 'A')
b -= ('A' - 10);
else
b -= '0';
*to++ = 16*a+b;
at+=3;
} else if (*at == '+') {
*to++ = ' ';
at++;
} else {
*to++ = *at++;
}
maxSize--;
#endif
}
*to = 0;
}
int http_getArg(const char *base, const char *name, char *o, int maxSize) {
*o = '\0';
while(*base != '?') {
if(*base == 0)
return 0;
base++;
}
base++;
while(*base) {
const char *at = http_checkArg(base,name);
if(at) {
at++;
http_copyCarg(at,o,maxSize);
return 1;
}
while(*base != '&') {
if(*base == 0) {
return 0;
}
base++;
}
base++;
}
return 0;
}
const char *htmlPinRoleNames[] = {
" ",
"Rel",
"Rel_n",
"Btn",
"Btn_n",
"LED",
"LED_n",
"PWM",
"Wifi LED",
"Wifi LED_n",
"Btn_Tgl_All",
"Btn_Tgl_All_n",
"DigitalInput",
"DigitalInput_n",
"ToggleChannelOnToggle",
"e",
"e",
};
int PIN_ParsePinRoleName(const char *name) {
int i;
for(i = 0; i < IOR_Total_Options; i++) {
if(!stricmp(name,htmlPinRoleNames[i]))
return i;
}
return IOR_Total_Options;
}
void setupAllWB2SPinsAsButtons() {
PIN_SetPinRoleForPinIndex(6,IOR_Button);
PIN_SetPinChannelForPinIndex(6,1);
PIN_SetPinRoleForPinIndex(7,IOR_Button);
PIN_SetPinChannelForPinIndex(7,1);
PIN_SetPinRoleForPinIndex(8,IOR_Button);
PIN_SetPinChannelForPinIndex(8,1);
PIN_SetPinRoleForPinIndex(23,IOR_Button);
PIN_SetPinChannelForPinIndex(23,1);
PIN_SetPinRoleForPinIndex(24,IOR_Button);
PIN_SetPinChannelForPinIndex(24,1);
PIN_SetPinRoleForPinIndex(26,IOR_Button);
PIN_SetPinChannelForPinIndex(26,1);
PIN_SetPinRoleForPinIndex(27,IOR_Button);
PIN_SetPinChannelForPinIndex(27,1);
}
#if PLATFORM_XR809
const char *g_header = "<h1><a href=\"https://github.com/openshwprojects/OpenXR809/\">OpenXR809</a></h1><h3><a href=\"https://www.elektroda.com/rtvforum/viewtopic.php?p=19841301#19841301\">[Read more]</a><a href=\"https://paypal.me/openshwprojects\">[Support project]</a></h3>";
#elif PLATFORM_BK7231N
const char *g_header = "<h1><a href=\"https://github.com/openshwprojects/OpenBK7231T/\">OpenBK7231N</a></h1><h3><a href=\"https://www.elektroda.com/rtvforum/viewtopic.php?p=19841301#19841301\">[Read more]</a><a href=\"https://paypal.me/openshwprojects\">[Support project]</a></h3>";
#elif PLATFORM_BK7231T
const char *g_header = "<h1><a href=\"https://github.com/openshwprojects/OpenBK7231T/\">OpenBK7231T</a></h1><h3><a href=\"https://www.elektroda.com/rtvforum/viewtopic.php?p=19841301#19841301\">[Read more]</a><a href=\"https://paypal.me/openshwprojects\">[Support project]</a></h3>";
#elif PLATFORM_BL602
const char *g_header = "<h1><a href=\"https://github.com/openshwprojects/OpenBK7231T/\">OpenBL602</a></h1><h3><a href=\"https://www.elektroda.com/rtvforum/viewtopic.php?p=19841301#19841301\">[Read more]</a><a href=\"https://paypal.me/openshwprojects\">[Support project]</a></h3>";
#elif WINDOWS
const char *g_header = "<h1><a href=\"https://github.com/openshwprojects/OpenBK7231T/\">OpenBK7231 [Win test]</a></h1><h3><a href=\"https://www.elektroda.com/rtvforum/viewtopic.php?p=19841301#19841301\">[Read more]</a><a href=\"https://paypal.me/openshwprojects\">[Support project]</a></h3>";
#else
const char *g_header = "<h1>error</h1>";
#error "Platform not supported"
//Platform not supported
#endif
void HTTP_AddBuildFooter(http_request_t *request) {
char upTimeStr[128];
unsigned char mac[32];
poststr(request,"<br>");
poststr(request,g_build_str);
poststr(request,"<br> Online for ");
misc_formatUpTimeString(Time_getUpTimeSeconds(), upTimeStr);
poststr(request,upTimeStr);
WiFI_GetMacAddress((char *)mac);
sprintf(upTimeStr,"<br> Device MAC: %02X%02X%02X%02X%02X%02X",mac[0],mac[1],mac[2],mac[3],mac[4],mac[5]);
poststr(request,upTimeStr);
}
// add some more output safely, sending if necessary.
// call with str == NULL to force send. - can be binary.
// supply length
int postany(http_request_t *request, const char *str, int len){
int currentlen;
int addlen = len;
if (NULL == str){
send(request->fd, request->reply, request->replylen, 0);
request->reply[0] = 0;
request->replylen = 0;
return 0;
}
currentlen = request->replylen;
if (currentlen + addlen >= request->replymaxlen){
send(request->fd, request->reply, request->replylen, 0);
request->reply[0] = 0;
request->replylen = 0;
currentlen = 0;
}
if (addlen > request->replymaxlen){
ADDLOGF_ERROR("won't fit");
} else {
memcpy( request->reply+request->replylen, str, addlen );
request->replylen += addlen;
}
return (currentlen + addlen);
}
// add some more output safely, sending if necessary.
// call with str == NULL to force send.
int poststr(http_request_t *request, const char *str){
if (str == NULL){
return postany(request, NULL, 0);
}
return postany(request, str, strlen(str));
}
void misc_formatUpTimeString(int totalSeconds, char *o) {
int rem_days;
int rem_hours;
int rem_minutes;
int rem_seconds;
rem_days = totalSeconds / (24*60*60);
totalSeconds = totalSeconds % (24*60*60);
rem_hours = totalSeconds / (60*60);
totalSeconds = totalSeconds % (60*60);
rem_minutes = totalSeconds / (60);
rem_seconds = totalSeconds % 60;
*o = 0;
if(rem_days > 0)
{
sprintf(o,"%i days, %i hours, %i minutes and %i seconds ",rem_days,rem_hours,rem_minutes,rem_seconds);
}
else if(rem_hours > 0)
{
sprintf(o,"%i hours, %i minutes and %i seconds ",rem_hours,rem_minutes,rem_seconds);
}
else if(rem_minutes > 0)
{
sprintf(o,"%i minutes and %i seconds ",rem_minutes,rem_seconds);
}
else
{
sprintf(o,"just %i seconds ",rem_seconds);
}
}
int hprintf128(http_request_t *request, const char *fmt, ...){
va_list argList;
//BaseType_t taken;
char tmp[128];
va_start(argList, fmt);
vsprintf(tmp, fmt, argList);
va_end(argList);
return postany(request, tmp, strlen(tmp));
}
int HTTP_ProcessPacket(http_request_t *request) {
int i;
char *p;
char *headers;
char *protocol;
//int bChanged = 0;
char *urlStr = "";
char *recvbuf = request->received;
for ( i = 0; i < sizeof(methodNames)/sizeof(*methodNames); i++){
if (http_startsWith(recvbuf, methodNames[i])){
urlStr = recvbuf + strlen(methodNames[i]) + 2; // skip method name plus space, plus slash
request->method = i;
break;
}
}
if (request->method == -1){
ADDLOGF_ERROR("unsupported method %7s", recvbuf);
return 0;
}
if (request->method == HTTP_GET) {
//ADDLOG_INFO(LOG_FEATURE_HTTP, "HTTP request\n");
} else {
//ADDLOG_INFO(LOG_FEATURE_HTTP, "Other request\n");
}
// if OPTIONS, return now - for CORS
if (request->method == HTTP_OPTIONS) {
http_setup(request, httpMimeTypeHTML);
i = strlen(request->reply);
return i;
}
// chop URL at space
p = strchr(urlStr, ' ');
if (*p) {
*p = '\0';
p++; // past space
}
else {
ADDLOGF_ERROR("invalid request\n");
return 0;
}
request->url = urlStr;
// protocol is next, termed by \r\n
protocol = p;
p = strchr(protocol, '\r');
if (*p) {
*p = '\0';
p++; // past \r
p++; // past \n
} else {
ADDLOGF_ERROR("invalid request\n");
return 0;
}
// i.e. not received
request->contentLength = -1;
headers = p;
do {
p = strchr(headers, '\r');
if (p != headers){
if (p){
if (request->numheaders < 16){
request->headers[request->numheaders] = headers;
request->numheaders++;
}
// pick out contentLength
if (!my_strnicmp(headers, "Content-Length:", 15)){
request->contentLength = atoi(headers + 15);
}
*p = 0;
p++; // past \r
p++; // past \n
headers = p;
} else {
break;
}
}
if (*p == '\r'){
// end of headers
*p = 0;
p++;
p++;
break;
}
} while(1);
request->bodystart = p;
request->bodylen = request->receivedLen - (p - request->received);
// look for a callback with this URL and method, or HTTP_ANY
for (i = 0; i < numCallbacks; i++){
char *url = callbacks[i]->url;
if (http_startsWith(urlStr, &url[1])){
int method = callbacks[i]->method;
if(method == HTTP_ANY || method == request->method){
return callbacks[i]->callback(request);
}
}
}
if(http_checkUrlBase(urlStr,"")) return http_fn_empty_url(request);
if(http_checkUrlBase(urlStr,"index")) return http_fn_index(request);
if(http_checkUrlBase(urlStr,"about")) return http_fn_about(request);
if(http_checkUrlBase(urlStr,"cfg_mqtt")) return http_fn_cfg_mqtt(request);
if(http_checkUrlBase(urlStr,"cfg_mqtt_set")) return http_fn_cfg_mqtt_set(request);
if(http_checkUrlBase(urlStr,"cfg_webapp")) return http_fn_cfg_webapp(request);
if(http_checkUrlBase(urlStr,"cfg_webapp_set")) return http_fn_cfg_webapp_set(request);
if(http_checkUrlBase(urlStr,"cfg_wifi")) return http_fn_cfg_wifi(request);
if(http_checkUrlBase(urlStr,"cfg_name")) return http_fn_cfg_name(request);
if(http_checkUrlBase(urlStr,"cfg_wifi_set")) return http_fn_cfg_wifi_set(request);
if(http_checkUrlBase(urlStr,"cfg_loglevel_set")) return http_fn_cfg_loglevel_set(request);
if(http_checkUrlBase(urlStr,"cfg_mac")) return http_fn_cfg_mac(request);
if(http_checkUrlBase(urlStr,"flash_read_tool")) return http_fn_flash_read_tool(request);
if(http_checkUrlBase(urlStr,"uart_tool")) return http_fn_uart_tool(request);
if(http_checkUrlBase(urlStr,"cmd_tool")) return http_fn_cmd_tool(request);
if(http_checkUrlBase(urlStr,"config_dump_table")) return http_fn_config_dump_table(request);
if(http_checkUrlBase(urlStr,"startup_command")) return http_fn_startup_command(request);
if(http_checkUrlBase(urlStr,"cfg_quick")) return http_fn_cfg_quick(request);
if(http_checkUrlBase(urlStr,"cfg_ha")) return http_fn_cfg_ha(request);
if(http_checkUrlBase(urlStr,"cfg")) return http_fn_cfg(request);
if(http_checkUrlBase(urlStr,"cfg_pins")) return http_fn_cfg_pins(request);
if(http_checkUrlBase(urlStr,"ota")) return http_fn_ota(request);
if(http_checkUrlBase(urlStr,"ota_exec")) return http_fn_ota_exec(request);
if(http_checkUrlBase(urlStr,"cm")) return http_fn_cm(request);
return http_fn_other(request);
}