Tasmota/tasmota/xdrv_52_3_berry_webclient.ino

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/*
xdrv_52_3_berry_webserver.ino - Berry scripting language, webserver module
Copyright (C) 2021 Stephan Hadinger, Berry language by Guan Wenliang https://github.com/Skiars/berry
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef USE_BERRY
#ifdef USE_WEBCLIENT
#include <berry.h>
2021-09-02 22:32:12 +01:00
#include <HttpClientLight.h>
String wc_UrlEncode(const String& text) {
const char hex[] = "0123456789ABCDEF";
String encoded = "";
int len = text.length();
int i = 0;
while (i < len) {
char decodedChar = text.charAt(i++);
if (('a' <= decodedChar && decodedChar <= 'z') ||
('A' <= decodedChar && decodedChar <= 'Z') ||
('0' <= decodedChar && decodedChar <= '9') ||
('=' == decodedChar)) {
encoded += decodedChar;
} else {
encoded += '%';
encoded += hex[decodedChar >> 4];
encoded += hex[decodedChar & 0xF];
}
}
return encoded;
}
/*********************************************************************************************\
* Int constants
*********************************************************************************************/
// const be_constint_t webserver_constants[] = {
// { "BUTTON_CONFIGURATION", BUTTON_CONFIGURATION },
// { "BUTTON_INFORMATION", BUTTON_INFORMATION },
// { "BUTTON_MAIN", BUTTON_MAIN },
// { "BUTTON_MANAGEMENT", BUTTON_MANAGEMENT },
// { "BUTTON_MODULE", BUTTON_MODULE },
// { "HTTP_ADMIN", HTTP_ADMIN },
// { "HTTP_ANY", HTTP_ANY },
// { "HTTP_GET", HTTP_GET },
// { "HTTP_MANAGER", HTTP_MANAGER },
// { "HTTP_MANAGER_RESET_ONLY", HTTP_MANAGER_RESET_ONLY },
// { "HTTP_OFF", HTTP_OFF },
// { "HTTP_OPTIONS", HTTP_OPTIONS },
// { "HTTP_POST", HTTP_POST },
// { "HTTP_USER", HTTP_USER },
// };
/*********************************************************************************************\
* Native functions mapped to Berry functions
*
* import webclient
*
\*********************************************************************************************/
extern "C" {
// Berry: ``
//
int32_t wc_init(struct bvm *vm);
int32_t wc_init(struct bvm *vm) {
// int32_t argc = be_top(vm); // Get the number of arguments
WiFiClient * wcl = new WiFiClient();
be_pushcomptr(vm, (void*) wcl);
be_setmember(vm, 1, ".w");
HTTPClientLight * cl = new HTTPClientLight();
cl->setUserAgent(USE_BERRY_WEBCLIENT_USERAGENT);
cl->setConnectTimeout(USE_BERRY_WEBCLIENT_TIMEOUT); // set default timeout
be_pushcomptr(vm, (void*) cl);
be_setmember(vm, 1, ".p");
be_return_nil(vm);
}
HTTPClientLight * wc_getclient(struct bvm *vm) {
be_getmember(vm, 1, ".p");
void *p = be_tocomptr(vm, -1);
be_pop(vm, 1);
return (HTTPClientLight*) p;
}
WiFiClient * wc_getwificlient(struct bvm *vm) {
be_getmember(vm, 1, ".w");
void *p = be_tocomptr(vm, -1);
be_pop(vm, 1);
return (WiFiClient*) p;
}
int32_t wc_deinit(struct bvm *vm);
int32_t wc_deinit(struct bvm *vm) {
// int32_t argc = be_top(vm); // Get the number of arguments
HTTPClientLight * cl = wc_getclient(vm);
if (cl != nullptr) { delete cl; }
be_pushnil(vm);
be_setmember(vm, 1, ".p");
WiFiClient * wcl = wc_getwificlient(vm);
if (wcl != nullptr) { delete wcl; }
be_setmember(vm, 1, ".w");
be_return_nil(vm);
}
// wc.url_encode(string) -> string
int32_t wc_urlencode(struct bvm *vm);
int32_t wc_urlencode(struct bvm *vm) {
int32_t argc = be_top(vm);
if (argc >= 2 && be_isstring(vm, 2)) {
const char * s = be_tostring(vm, 2);
String url = wc_UrlEncode(String(s));
be_pushstring(vm, url.c_str());
be_return(vm); /* return self */
}
be_raise(vm, kTypeError, nullptr);
}
// wc.begin(url:string) -> self
int32_t wc_begin(struct bvm *vm);
int32_t wc_begin(struct bvm *vm) {
int32_t argc = be_top(vm);
if (argc == 1 || !be_tostring(vm, 2)) { be_raise(vm, "attribute_error", "missing URL as string"); }
const char * url = be_tostring(vm, 2);
HTTPClientLight * cl = wc_getclient(vm);
// open connection
if (!cl->begin(url)) {
be_raise(vm, "value_error", "unsupported protocol");
}
be_pushvalue(vm, 1);
be_return(vm); /* return self */
}
// wc.close(void) -> nil
int32_t wc_close(struct bvm *vm);
int32_t wc_close(struct bvm *vm) {
HTTPClientLight * cl = wc_getclient(vm);
cl->end();
be_return_nil(vm);
}
// wc.wc_set_timeouts([http_timeout_ms:int, tcp_timeout_ms:int]) -> self
int32_t wc_set_timeouts(struct bvm *vm);
int32_t wc_set_timeouts(struct bvm *vm) {
int32_t argc = be_top(vm);
HTTPClientLight * cl = wc_getclient(vm);
if (argc >= 2) {
cl->setTimeout(be_toint(vm, 2));
}
if (argc >= 3) {
cl->setConnectTimeout(be_toint(vm, 3));
}
be_pushvalue(vm, 1);
be_return(vm); /* return self */
}
// wc.set_useragent(user_agent:string) -> self
int32_t wc_set_useragent(struct bvm *vm);
int32_t wc_set_useragent(struct bvm *vm) {
int32_t argc = be_top(vm);
if (argc >= 2 && be_isstring(vm, 2)) {
HTTPClientLight * cl = wc_getclient(vm);
const char * useragent = be_tostring(vm, 2);
cl->setUserAgent(String(useragent));
be_pushvalue(vm, 1);
be_return(vm); /* return self */
}
be_raise(vm, kTypeError, nullptr);
}
// wc.wc_set_auth(auth:string | (user:string, password:string)) -> self
int32_t wc_set_auth(struct bvm *vm);
int32_t wc_set_auth(struct bvm *vm) {
int32_t argc = be_top(vm);
if (argc >= 2 && be_isstring(vm, 2) && (argc < 3 || be_isstring(vm, 3))) {
HTTPClientLight * cl = wc_getclient(vm);
const char * user = be_tostring(vm, 2);
if (argc == 2) {
cl->setAuthorization(user);
} else {
const char * password = be_tostring(vm, 3);
cl->setAuthorization(user, password);
}
be_pushvalue(vm, 1);
be_return(vm); /* return self */
}
be_raise(vm, kTypeError, nullptr);
}
// wc.addheader(name:string, value:string [, first:bool=false [, replace:bool=true]]) -> nil
int32_t wc_addheader(struct bvm *vm);
int32_t wc_addheader(struct bvm *vm) {
int32_t argc = be_top(vm);
if (argc >= 3 && (be_isstring(vm, 2) || be_isstring(vm, 2))) {
HTTPClientLight * cl = wc_getclient(vm);
const char * name = be_tostring(vm, 2);
const char * value = be_tostring(vm, 3);
bool first = false;
bool replace = true;
if (argc >= 4) {
first = be_tobool(vm, 4);
}
if (argc >= 5) {
replace = be_tobool(vm, 5);
}
// do the call
cl->addHeader(String(name), String(value), first, replace);
be_return_nil(vm);
}
be_raise(vm, kTypeError, nullptr);
}
// cw.connected(void) -> bool
int32_t wc_connected(struct bvm *vm);
int32_t wc_connected(struct bvm *vm) {
HTTPClientLight * cl = wc_getclient(vm);
be_pushbool(vm, cl->connected());
be_return(vm); /* return code */
}
// cw.GET(void) -> httpCode:int
int32_t wc_GET(struct bvm *vm);
int32_t wc_GET(struct bvm *vm) {
HTTPClientLight * cl = wc_getclient(vm);
uint32_t http_connect_time = millis();
int32_t httpCode = cl->GET();
if (httpCode <= -1000) {
AddLog(LOG_LEVEL_INFO, D_LOG_HTTP "TLS connection error: %d", -httpCode - 1000);
} else {
AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_HTTP "TLS connected in %d ms, stack low mark %d"),
millis() - http_connect_time, uxTaskGetStackHighWaterMark(nullptr));
}
be_pushint(vm, httpCode);
be_return(vm); /* return code */
}
// wc.POST(string | bytes) -> httpCode:int
int32_t wc_POST(struct bvm *vm);
int32_t wc_POST(struct bvm *vm) {
int32_t argc = be_top(vm);
if (argc >= 2 && (be_isstring(vm, 2) || be_isbytes(vm, 2))) {
HTTPClientLight * cl = wc_getclient(vm);
const char * buf = nullptr;
size_t buf_len = 0;
if (be_isstring(vm, 2)) { // string
buf = be_tostring(vm, 2);
buf_len = strlen(buf);
} else { // bytes
buf = (const char*) be_tobytes(vm, 2, &buf_len);
}
uint32_t http_connect_time = millis();
int32_t httpCode = cl->POST((uint8_t*)buf, buf_len);
if (httpCode <= -1000) {
AddLog(LOG_LEVEL_INFO, D_LOG_HTTP "TLS connection error: %d", -httpCode - 1000);
} else {
AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_HTTP "TLS connected in %d ms, stack low mark %d"),
millis() - http_connect_time, uxTaskGetStackHighWaterMark(nullptr));
}
be_pushint(vm, httpCode);
be_return(vm); /* return code */
}
be_raise(vm, kTypeError, nullptr);
}
int32_t wc_getstring(struct bvm *vm);
int32_t wc_getstring(struct bvm *vm) {
HTTPClientLight * cl = wc_getclient(vm);
int32_t sz = cl->getSize();
// abort if we exceed 32KB size, things will not go well otherwise
if (sz >= 32767) {
be_raise(vm, "value_error", "response size too big (>32KB)");
}
String payload = cl->getString();
be_pushstring(vm, payload.c_str());
cl->end(); // free allocated memory ~16KB
be_return(vm); /* return code */
}
int32_t wc_getsize(struct bvm *vm);
int32_t wc_getsize(struct bvm *vm) {
HTTPClientLight * cl = wc_getclient(vm);
be_pushint(vm, cl->getSize());
be_return(vm); /* return code */
}
}
#endif // USE_WEBCLIENT
#endif // USE_BERRY