// Application headers.
#include "DomainsDatabaseHelper.h"
+#include "UserAgentHelper.h"
-// Qt framework headers.
-#include <QtSql>
-
-// Define the static constants.
+// Define the public static domain constants.
const QString DomainsDatabaseHelper::CONNECTION_NAME = "domains_database";
const QString DomainsDatabaseHelper::DOMAINS_TABLE = "domains";
-// The default constructor.
+// Define the private static schema constants.
+const int DomainsDatabaseHelper::SCHEMA_VERSION = 4;
+
+// Define the public static database field names.
+const QString DomainsDatabaseHelper::_ID = "_id";
+const QString DomainsDatabaseHelper::DOMAIN_NAME = "domain_name";
+const QString DomainsDatabaseHelper::JAVASCRIPT = "javascript";
+const QString DomainsDatabaseHelper::DOM_STORAGE = "dom_storage";
+const QString DomainsDatabaseHelper::USER_AGENT = "user_agent";
+const QString DomainsDatabaseHelper::ZOOM_FACTOR = "zoom_factor";
+const QString DomainsDatabaseHelper::CUSTOM_ZOOM_FACTOR = "custom_zoom_factor";
+
+// Construct the class.
DomainsDatabaseHelper::DomainsDatabaseHelper() {}
void DomainsDatabaseHelper::addDatabase()
// Check to see if the domains table already exists.
if (domainsDatabase.tables().contains(DOMAINS_TABLE))
{
- // Run schema update code.
+ // Query the database schema version.
+ QSqlQuery getSchemaVersionQuery = domainsDatabase.exec("PRAGMA user_version");
+
+ // Move to the first record.
+ getSchemaVersionQuery.first();
+
+ // Get the current schema version.
+ int currentSchemaVersion = getSchemaVersionQuery.value(0).toInt();
+
+ // Check to see if the schama has been updated.
+ if (SCHEMA_VERSION > currentSchemaVersion)
+ {
+ // Run schema update code.
+ switch (currentSchemaVersion)
+ {
+ // Upgrade from schema version 0 to schema version 1.
+ case 0:
+ {
+ // Add the JavaScript column.
+ domainsDatabase.exec("ALTER TABLE " + DOMAINS_TABLE + " ADD COLUMN " + JAVASCRIPT + " INTEGER DEFAULT 0");
+
+ // Fallthrough to the next case.
+ [[fallthrough]];
+ }
+
+ // Upgrade from schema version 1 to schema version 2.
+ case 1:
+ {
+ // Add the User Agent column.
+ domainsDatabase.exec("ALTER TABLE " + DOMAINS_TABLE + " ADD COLUMN " + USER_AGENT + " TEXT DEFAULT '" + UserAgentHelper::SYSTEM_DEFAULT_DATABASE + "'");
+
+ // Fallthrough to the next case.
+ [[fallthrough]];
+ }
+
+ // Upgrade from schema version 2 to schema version 3.
+ case 2:
+ {
+ // Add the Zoom Factor columns.
+ domainsDatabase.exec("ALTER TABLE " + DOMAINS_TABLE + " ADD COLUMN " + ZOOM_FACTOR + " INTEGER DEFAULT 0");
+ domainsDatabase.exec("ALTER TABLE " + DOMAINS_TABLE + " ADD COLUMN " + CUSTOM_ZOOM_FACTOR + " REAL DEFAULT 1.0");
+
+ // Fallthrough to the next case.
+ [[fallthrough]];
+ }
+
+ // Upgrade from schema version 3 to schema version 4.
+ case 3:
+ // Add the DOM Storage column.
+ domainsDatabase.exec("ALTER TABLE " + DOMAINS_TABLE + " ADD COLUMN " + DOM_STORAGE + " INTEGER DEFAULT 0");
+ }
+
+ // Update the schema version.
+ domainsDatabase.exec("PRAGMA user_version = " + QString::number(SCHEMA_VERSION));
+ }
}
else
{
QSqlQuery createTableQuery(domainsDatabase);
// Prepare the create table query.
- createTableQuery.prepare("CREATE TABLE " + DOMAINS_TABLE + "("
- "_id INTEGER PRIMARY KEY, "
- "domain_name TEXT)"
+ createTableQuery.prepare("CREATE TABLE " + DOMAINS_TABLE + "(" +
+ _ID + " INTEGER PRIMARY KEY, " +
+ DOMAIN_NAME + " TEXT, " +
+ JAVASCRIPT + " INTEGER DEFAULT 0, " +
+ DOM_STORAGE + " INTEGER DEFAULT 0, " +
+ USER_AGENT + " TEXT DEFAULT '" + UserAgentHelper::SYSTEM_DEFAULT_DATABASE + "', " +
+ ZOOM_FACTOR + " INTEGER DEFAULT 0, " +
+ CUSTOM_ZOOM_FACTOR + " REAL DEFAULT 1.0)"
);
// Execute the query.
// Log any errors.
qDebug().noquote().nospace() << "Error creating table: " << domainsDatabase.lastError();
}
+
+ // Set the schema version.
+ domainsDatabase.exec("PRAGMA user_version = " + QString::number(SCHEMA_VERSION));
}
}
else // Opening the database failed.
qDebug().noquote().nospace() << "Error opening database: " << domainsDatabase.lastError();
}
};
+
+QSqlQuery DomainsDatabaseHelper::getDomainQuery(const QString &hostname)
+{
+ // Get a handle for the domains database.
+ QSqlDatabase domainsDatabase = QSqlDatabase::database(CONNECTION_NAME);
+
+ // Instantiate the all domain names query.
+ QSqlQuery allDomainNamesQuery(domainsDatabase);
+
+ // Set the query to be forward only (increases performance while iterating over the query).
+ allDomainNamesQuery.setForwardOnly(true);
+
+ // Prepare the query.
+ allDomainNamesQuery.prepare("SELECT " + _ID + "," + DOMAIN_NAME + " FROM " + DOMAINS_TABLE);
+
+ // Execute the query.
+ allDomainNamesQuery.exec();
+
+ // Create a domains settings map.
+ QMap<QString, int> domainSettingsMap;
+
+ // Populate the domain settings map.
+ while (allDomainNamesQuery.next())
+ {
+ // Add the domain name and database ID to the map.
+ domainSettingsMap.insert(allDomainNamesQuery.record().field(DomainsDatabaseHelper::DOMAIN_NAME).value().toString(),
+ allDomainNamesQuery.record().field(DomainsDatabaseHelper::_ID).value().toInt());
+ }
+
+ // Initialize the database ID tracker.
+ int databaseId = -1;
+
+ // Get the database ID if the hostname is found in the domain settings set.
+ if (domainSettingsMap.contains(hostname))
+ {
+ databaseId = domainSettingsMap.value(hostname);
+ }
+
+ // Create a subdomain string.
+ QString subdomain = hostname;
+
+ // Check all the subdomains of the hostname.
+ while ((databaseId == -1) && subdomain.contains(".")) // Stop checking when a match is found or there are no more `.` in the hostname.
+ {
+ // Check to see if the domain settings map contains the subdomain with a `*.` prepended.
+ if (domainSettingsMap.contains("*." + subdomain))
+ {
+ // Get the database ID.
+ databaseId = domainSettingsMap.value("*." + subdomain);
+ }
+
+ // Strip out the first subdomain.
+ subdomain = subdomain.section('.', 1);
+ }
+
+ // Instantiate the domain lookup query.
+ QSqlQuery domainLookupQuery(domainsDatabase);
+
+ // Prepare the domain lookup query.
+ domainLookupQuery.prepare("SELECT * FROM " + DOMAINS_TABLE + " WHERE " + _ID + " = " + QString::number(databaseId));
+
+ // Execute the query.
+ domainLookupQuery.exec();
+
+ // Move to the first entry.
+ domainLookupQuery.first();
+
+ // Return the query.
+ return domainLookupQuery;
+}
projects / PrivacyBrowserPC.git / blobdiff