Added loadCert methods to WiFiClientSecure (espressif#1959)

Author: lbernstone

libraries/WiFiClientSecure/src/WiFiClientSecure.cpp

@@ -230,6 +230,51 @@ bool WiFiClientSecure::verify(const char* fp, const char* domain_name)
 returnverify_ssl_fingerprint(sslclient, fp, domain_name);
 }
 
+char *WiFiClientSecure::_streamLoad(Stream& stream, size_t size){
+char *dest = (char*)malloc(size);
+if (!dest){
+returnnullptr;
+ }
+if (size != stream.readBytes(dest, size)){
+free(dest);
+returnnullptr;
+ }
+char ret[size+1];
+snprintf(ret, size, "%s", dest);
+free(dest);
+return ret;
+}
+
+boolWiFiClientSecure::loadCACert(Stream& stream, size_t size){
+char *dest = _streamLoad(stream, size);
+bool ret = false;
+if (dest){
+setCACert(dest);
+ ret = true;
+ }
+return ret;
+}
+
+boolWiFiClientSecure::loadCertificate(Stream& stream, size_t size){
+char *dest = _streamLoad(stream, size);
+bool ret = false;
+if (dest){
+setCertificate(dest);
+ ret = true;
+ }
+return ret;
+}
+
+boolWiFiClientSecure::loadPrivateKey(Stream& stream, size_t size){
+char *dest = _streamLoad(stream, size);
+bool ret = false;
+if (dest){
+setPrivateKey(dest);
+ ret = true;
+ }
+return ret;
+}
+
 intWiFiClientSecure::lastError(char *buf, constsize_t size)
 {
 if (!_lastError){

libraries/WiFiClientSecure/src/WiFiClientSecure.h

@@ -58,6 +58,9 @@ class WiFiClientSecure : public WiFiClient
 voidsetCACert(constchar *rootCA);
 voidsetCertificate(constchar *client_ca);
 voidsetPrivateKey (constchar *private_key);
+boolloadCACert(Stream& stream, size_t size);
+boolloadCertificate(Stream& stream, size_t size);
+boolloadPrivateKey(Stream& stream, size_t size);
 boolverify(constchar* fingerprint, constchar* domain_name);
 
 operatorbool()
@@ -84,6 +87,9 @@ class WiFiClientSecure : public WiFiClient
 return sslclient->socket = -1;
  }
 
+private:
+char *_streamLoad(Stream& stream, size_t size);
+
 //friend class WiFiServer;
 using Print::write;
 };