57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
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#pragma once
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#include <string>
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#include <vector>
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struct WifiCredential {
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std::string ssid;
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std::string password; // Stored obfuscated in file
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};
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/**
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* Singleton class for storing WiFi credentials on the SD card.
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* Credentials are stored in /sd/.crosspoint/wifi.bin with basic
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* XOR obfuscation to prevent casual reading (not cryptographically secure).
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*/
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class WifiCredentialStore {
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private:
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static WifiCredentialStore instance;
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std::vector<WifiCredential> credentials;
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static constexpr size_t MAX_NETWORKS = 8;
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// Private constructor for singleton
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WifiCredentialStore() = default;
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// XOR obfuscation (symmetric - same for encode/decode)
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void obfuscate(std::string& data) const;
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public:
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// Delete copy constructor and assignment
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WifiCredentialStore(const WifiCredentialStore&) = delete;
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WifiCredentialStore& operator=(const WifiCredentialStore&) = delete;
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// Get singleton instance
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static WifiCredentialStore& getInstance() { return instance; }
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// Save/load from SD card
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bool saveToFile() const;
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bool loadFromFile();
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// Credential management
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bool addCredential(const std::string& ssid, const std::string& password);
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bool removeCredential(const std::string& ssid);
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const WifiCredential* findCredential(const std::string& ssid) const;
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// Get all stored credentials (for UI display)
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const std::vector<WifiCredential>& getCredentials() const { return credentials; }
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// Check if a network is saved
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bool hasSavedCredential(const std::string& ssid) const;
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// Clear all credentials
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void clearAll();
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};
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// Helper macro to access credentials store
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#define WIFI_STORE WifiCredentialStore::getInstance()
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