117 lines
2.5 KiB
C++
117 lines
2.5 KiB
C++
#ifndef SecurityManager_h
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#define SecurityManager_h
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#include <list>
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#include <SettingsService.h>
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#include <DNSServer.h>
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#include <IPAddress.h>
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#include <ArduinoJsonJWT.h>
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#define DEFAULT_JWT_SECRET "esp8266-react"
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#define SECURITY_SETTINGS_FILE "/config/securitySettings.json"
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#define USERS_PATH "/rest/users"
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#define AUTHORIZATION_HEADER "Authorization"
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#define AUTHORIZATION_HEADER_PREFIX "Bearer "
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#define AUTHORIZATION_HEADER_PREFIX_LEN 7
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#define MAX_JWT_SIZE 128
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#define MAX_SECURITY_MANAGER_SETTINGS_SIZE 512
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#define SECURITY_MANAGER_MAX_USERS 5
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#define MAX_USERS_SIZE 1024
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class User {
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private:
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String _username;
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String _password;
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bool _admin;
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public:
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User(String username, String password, bool admin): _username(username), _password(password), _admin(admin) {}
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String getUsername() {
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return _username;
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}
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String getPassword() {
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return _password;
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}
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bool isAdmin() {
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return _admin;
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}
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};
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class Authentication {
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private:
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User *_user;
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boolean _authenticated;
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public:
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Authentication(User& user): _user(new User(user)), _authenticated(true) {}
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Authentication() : _user(NULL), _authenticated(false) {}
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~Authentication() {
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if (_user != NULL){
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delete(_user);
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}
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}
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User* getUser() {
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return _user;
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}
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bool isAuthenticated() {
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return _authenticated;
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}
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};
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class SecurityManager : public SettingsService {
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public:
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SecurityManager(AsyncWebServer* server, FS* fs);
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~SecurityManager();
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void begin();
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/*
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* Authenticate, returning the user if found
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*/
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Authentication authenticate(String username, String password);
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/*
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* Check the request header for the Authorization token
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*/
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Authentication authenticateRequest(AsyncWebServerRequest *request);
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/*
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* Generate a JWT for the user provided
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*/
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String generateJWT(User *user);
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protected:
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void readFromJsonObject(JsonObject& root);
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void writeToJsonObject(JsonObject& root);
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private:
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// jwt handler
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ArduinoJsonJWT _jwtHandler = ArduinoJsonJWT(DEFAULT_JWT_SECRET);
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// access point settings
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String _jwtSecret;
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std::list<User> _users;
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// endpoint functions
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void fetchUsers(AsyncWebServerRequest *request);
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/*
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* Lookup the user by JWT
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*/
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Authentication authenticateJWT(String jwt);
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/*
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* Verify the payload is correct
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*/
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boolean validatePayload(JsonObject &parsedPayload, User *user);
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};
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#endif // end SecurityManager_h
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