Added support for authentication in Calibre

src/CrossPointSettings.cpp

@@ -12,9 +12,9 @@
 CrossPointSettings CrossPointSettings::instance;
 
 namespace {
-constexpr uint8_t SETTINGS_FILE_VERSION = 1;
+constexpr uint8_t SETTINGS_FILE_VERSION = 2;
 // Increment this when adding new persisted settings fields
-constexpr uint8_t SETTINGS_COUNT = 17;
+constexpr uint8_t SETTINGS_COUNT = 19;
 constexpr char SETTINGS_FILE[] = "/.crosspoint/settings.bin";
 }  // namespace
 
@@ -47,6 +47,8 @@ bool CrossPointSettings::saveToFile() const {
   serialization::writeString(outputFile, std::string(opdsServerUrl));
   serialization::writePod(outputFile, textAntiAliasing);
   serialization::writePod(outputFile, hideBatteryPercentage);
+  serialization::writeString(outputFile, std::string(calibreUsername));
+  serialization::writeString(outputFile, std::string(calibrePassword));
   outputFile.close();
 
   Serial.printf("[%lu] [CPS] Settings saved to file\n", millis());
@@ -113,6 +115,20 @@ bool CrossPointSettings::loadFromFile() {
     if (++settingsRead >= fileSettingsCount) break;
     serialization::readPod(inputFile, hideBatteryPercentage);
     if (++settingsRead >= fileSettingsCount) break;
+    {
+      std::string usernameStr;
+      serialization::readString(inputFile, usernameStr);
+      strncpy(calibreUsername, usernameStr.c_str(), sizeof(calibreUsername) - 1);
+      calibreUsername[sizeof(calibreUsername) - 1] = '\0';
+    }
+    if (++settingsRead >= fileSettingsCount) break;
+    {
+      std::string passwordStr;
+      serialization::readString(inputFile, passwordStr);
+      strncpy(calibrePassword, passwordStr.c_str(), sizeof(calibrePassword) - 1);
+      calibrePassword[sizeof(calibrePassword) - 1] = '\0';
+    }
+    if (++settingsRead >= fileSettingsCount) break;
   } while (false);
 
   inputFile.close();

src/CrossPointSettings.h

@@ -88,6 +88,8 @@ class CrossPointSettings {
   uint8_t screenMargin = 5;
   // OPDS browser settings
   char opdsServerUrl[128] = "";
+  char calibreUsername[64] = "";
+  char calibrePassword[64] = "";
   // Hide battery percentage
   uint8_t hideBatteryPercentage = HIDE_NEVER;
 

src/SettingsList.h

@@ -41,6 +41,10 @@ inline std::vector<SettingInfo> getSettingsList() {
                         {"1 page", "5 pages", "10 pages", "15 pages", "30 pages"}),
       SettingInfo::String("opdsServerUrl", "Calibre Web URL", SETTINGS.opdsServerUrl,
                           sizeof(SETTINGS.opdsServerUrl) - 1),
+      SettingInfo::String("calibreUsername", "Calibre Username", SETTINGS.calibreUsername,
+                          sizeof(SETTINGS.calibreUsername) - 1),
+      SettingInfo::String("calibrePassword", "Calibre Password", SETTINGS.calibrePassword,
+                          sizeof(SETTINGS.calibrePassword) - 1),
       SettingInfo::Action("Calibre Settings"),
       SettingInfo::Action("Check for updates"),
   };

src/activities/settings/CalibreSettingsActivity.cpp

@@ -13,8 +13,8 @@
 #include "fontIds.h"
 
 namespace {
-constexpr int MENU_ITEMS = 2;
+constexpr int MENU_ITEMS = 4;
-const char* menuNames[MENU_ITEMS] = {"Calibre Web URL", "Connect as Wireless Device"};
+const char* menuNames[MENU_ITEMS] = {"Calibre Web URL", "Username", "Password", "Connect as Wireless Device"};
 }  // namespace
 
 void CalibreSettingsActivity::taskTrampoline(void* param) {
@@ -98,6 +98,42 @@ void CalibreSettingsActivity::handleSelection() {
           updateRequired = true;
         }));
   } else if (selectedIndex == 1) {
+    // Username
+    exitActivity();
+    enterNewActivity(new KeyboardEntryActivity(
+        renderer, mappedInput, "Username", SETTINGS.calibreUsername, 10,
+        63,     // maxLength
+        false,  // not password
+        [this](const std::string& username) {
+          strncpy(SETTINGS.calibreUsername, username.c_str(), sizeof(SETTINGS.calibreUsername) - 1);
+          SETTINGS.calibreUsername[sizeof(SETTINGS.calibreUsername) - 1] = '\0';
+          SETTINGS.saveToFile();
+          exitActivity();
+          updateRequired = true;
+        },
+        [this]() {
+          exitActivity();
+          updateRequired = true;
+        }));
+  } else if (selectedIndex == 2) {
+    // Password
+    exitActivity();
+    enterNewActivity(new KeyboardEntryActivity(
+        renderer, mappedInput, "Password", SETTINGS.calibrePassword, 10,
+        63,    // maxLength
+        true,  // is password
+        [this](const std::string& password) {
+          strncpy(SETTINGS.calibrePassword, password.c_str(), sizeof(SETTINGS.calibrePassword) - 1);
+          SETTINGS.calibrePassword[sizeof(SETTINGS.calibrePassword) - 1] = '\0';
+          SETTINGS.saveToFile();
+          exitActivity();
+          updateRequired = true;
+        },
+        [this]() {
+          exitActivity();
+          updateRequired = true;
+        }));
+  } else if (selectedIndex == 3) {
     // Wireless Device - launch the activity (handles WiFi connection internally)
     exitActivity();
     if (WiFi.status() != WL_CONNECTED) {
@@ -153,11 +189,19 @@ void CalibreSettingsActivity::render() {
 
     renderer.drawText(UI_10_FONT_ID, 20, settingY, menuNames[i], !isSelected);
 
-    // Draw status for URL setting
+    // Draw status for URL, username, and password settings
     if (i == 0) {
       const char* status = (strlen(SETTINGS.opdsServerUrl) > 0) ? "[Set]" : "[Not Set]";
       const auto width = renderer.getTextWidth(UI_10_FONT_ID, status);
       renderer.drawText(UI_10_FONT_ID, pageWidth - 20 - width, settingY, status, !isSelected);
+    } else if (i == 1) {
+      const char* status = (strlen(SETTINGS.calibreUsername) > 0) ? "[Set]" : "[Not Set]";
+      const auto width = renderer.getTextWidth(UI_10_FONT_ID, status);
+      renderer.drawText(UI_10_FONT_ID, pageWidth - 20 - width, settingY, status, !isSelected);
+    } else if (i == 2) {
+      const char* status = (strlen(SETTINGS.calibrePassword) > 0) ? "[Set]" : "[Not Set]";
+      const auto width = renderer.getTextWidth(UI_10_FONT_ID, status);
+      renderer.drawText(UI_10_FONT_ID, pageWidth - 20 - width, settingY, status, !isSelected);
     }
   }
 

src/util/UrlUtils.cpp

@@ -1,5 +1,8 @@
 #include "UrlUtils.h"
 
+#include <sstream>
+#include <iomanip>
+
 namespace UrlUtils {
 
 std::string ensureProtocol(const std::string& url) {
@@ -38,4 +41,76 @@ std::string buildUrl(const std::string& serverUrl, const std::string& path) {
   return urlWithProtocol + "/" + path;
 }
 
+std::string urlEncode(const std::string& value) {
+  std::ostringstream escaped;
+  escaped.fill('0');
+  escaped << std::hex;
+
+  for (char c : value) {
+    // Keep alphanumeric and other safe characters intact
+    if (isalnum(c) || c == '-' || c == '_' || c == '.' || c == '~') {
+      escaped << c;
+    } else {
+      // Encode special characters
+      escaped << std::uppercase;
+      escaped << '%' << std::setw(2) << int((unsigned char)c);
+      escaped << std::nouppercase;
+    }
+  }
+
+  return escaped.str();
+}
+
+std::string buildUrlWithAuth(const std::string& serverUrl, const std::string& path,
+                              const std::string& username, const std::string& password) {
+  // If no credentials, use regular buildUrl
+  if (username.empty() && password.empty()) {
+    return buildUrl(serverUrl, path);
+  }
+
+  std::string urlWithProtocol = ensureProtocol(serverUrl);
+  
+  // Find protocol end
+  const size_t protocolEnd = urlWithProtocol.find("://");
+  if (protocolEnd == std::string::npos) {
+    return buildUrl(serverUrl, path);  // Fallback if no protocol
+  }
+
+  // Extract protocol and host parts
+  std::string protocol = urlWithProtocol.substr(0, protocolEnd + 3);  // Include ://
+  std::string hostAndPath = urlWithProtocol.substr(protocolEnd + 3);
+
+  // Check if auth already exists in URL
+  const size_t atPos = hostAndPath.find('@');
+  if (atPos != std::string::npos) {
+    // Auth already in URL, remove it
+    hostAndPath = hostAndPath.substr(atPos + 1);
+  }
+
+  // Build auth string with URL encoding
+  std::string auth;
+  if (!username.empty() || !password.empty()) {
+    auth = urlEncode(username) + ":" + urlEncode(password) + "@";
+  }
+
+  // Reconstruct URL with auth
+  std::string authenticatedUrl = protocol + auth + hostAndPath;
+
+  // Now apply path logic
+  if (path.empty()) {
+    return authenticatedUrl;
+  }
+  if (path[0] == '/') {
+    // Absolute path - extract just protocol + auth + host
+    const size_t firstSlash = hostAndPath.find('/');
+    std::string hostOnly = (firstSlash == std::string::npos) ? hostAndPath : hostAndPath.substr(0, firstSlash);
+    return protocol + auth + hostOnly + path;
+  }
+  // Relative path
+  if (authenticatedUrl.back() == '/') {
+    return authenticatedUrl + path;
+  }
+  return authenticatedUrl + "/" + path;
+}
+
 }  // namespace UrlUtils

src/util/UrlUtils.h

@@ -20,4 +20,17 @@ std::string extractHost(const std::string& url);
  */
 std::string buildUrl(const std::string& serverUrl, const std::string& path);
 
+/**
+ * URL encode a string (percent encoding for special characters)
+ */
+std::string urlEncode(const std::string& value);
+
+/**
+ * Build URL with basic authentication embedded.
+ * If username and password are provided, adds them to the URL.
+ * Example: https://username:password@example.com/path
+ */
+std::string buildUrlWithAuth(const std::string& serverUrl, const std::string& path, 
+                              const std::string& username, const std::string& password);
+
 }  // namespace UrlUtils