68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
#include <SecurityManager.h>
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Authentication SecurityManager::authenticateRequest(AsyncWebServerRequest *request) {
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AsyncWebHeader* authorizationHeader = request->getHeader(AUTHORIZATION_HEADER);
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if (authorizationHeader) {
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String value = authorizationHeader->value();
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if (value.startsWith(AUTHORIZATION_HEADER_PREFIX)){
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value = value.substring(AUTHORIZATION_HEADER_PREFIX_LEN);
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return authenticateJWT(value);
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}
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}
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return Authentication();
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}
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Authentication SecurityManager::authenticateJWT(String jwt) {
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DynamicJsonDocument payloadDocument(MAX_JWT_SIZE);
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_jwtHandler.parseJWT(jwt, payloadDocument);
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if (payloadDocument.is<JsonObject>()) {
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JsonObject parsedPayload = payloadDocument.as<JsonObject>();
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String username = parsedPayload["username"];
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for (User _user : _users) {
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if (_user.getUsername() == username && validatePayload(parsedPayload, &_user)){
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return Authentication(_user);
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}
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}
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}
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return Authentication();
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}
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Authentication SecurityManager::authenticate(String username, String password) {
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for (User _user : _users) {
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if (_user.getUsername() == username && _user.getPassword() == password){
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return Authentication(_user);
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}
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}
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return Authentication();
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}
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inline void populateJWTPayload(JsonObject &payload, User *user) {
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payload["username"] = user->getUsername();
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payload["admin"] = user -> isAdmin();
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}
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boolean SecurityManager::validatePayload(JsonObject &parsedPayload, User *user) {
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DynamicJsonDocument _jsonDocument(MAX_JWT_SIZE);
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JsonObject payload = _jsonDocument.to<JsonObject>();
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populateJWTPayload(payload, user);
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return payload == parsedPayload;
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}
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String SecurityManager::generateJWT(User *user) {
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DynamicJsonDocument _jsonDocument(MAX_JWT_SIZE);
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JsonObject payload = _jsonDocument.to<JsonObject>();
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populateJWTPayload(payload, user);
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return _jwtHandler.buildJWT(payload);
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}
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ArRequestHandlerFunction SecurityManager::wrapRequest(ArRequestHandlerFunction onRequest, AuthenticationPredicate predicate) {
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return [this, onRequest, predicate](AsyncWebServerRequest *request){
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Authentication authentication = authenticateRequest(request);
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if (!predicate(authentication)) {
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request->send(401);
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return;
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}
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onRequest(request);
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};
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}
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