Added cache files

internal/cache/sqlite/trusted.go

@@ -0,0 +1,107 @@
+package cache
+
+import (
+	"davidallendj/opaal/internal/oauth"
+	"fmt"
+
+	"github.com/jmoiron/sqlx"
+)
+
+func CreateTrustedIfNotExists(path string) (*sqlx.DB, error) {
+	schema := `
+	CREATE TABLE IF NOT EXISTS trusted_issuers (
+		id 					TEXT NOT NULL,
+		allow_any_subject 	NUMBER,
+		expires_at 			NUMBER,
+		issuer 				TEXT,
+		public_key 			NUMBER,
+		scope 				TEXT,
+		subject 			TEXT,
+		PRIMARY KEY (id)
+	);
+	`
+	db, err := sqlx.Open("sqlite3", path)
+	if err != nil {
+		return nil, fmt.Errorf("could not open database: %v", err)
+	}
+	db.MustExec(schema)
+	return db, nil
+}
+
+func InsertTrustedIssuer(path string, issuer *oauth.TrustedIssuer) error {
+	// create database if it doesn't already exist
+	db, err := CreateOAuthClientsIfNotExists(path)
+	if err != nil {
+		return err
+	}
+
+	// insert all probe states into db
+	tx := db.MustBegin()
+	sql := `INSERT OR REPLACE INTO trusted_issuers
+	(
+		id,
+		allow_any_subject
+		expires_at,
+		issuer,
+		public_key,
+		scope,
+		subject
+	) 
+	VALUES 
+	(
+		:id,
+		:allow_any_subject,
+		:expires_at,
+		:issuer,
+		:public_key,
+		:scope,
+		:subject
+	);`
+	_, err = tx.NamedExec(sql, &issuer)
+	if err != nil {
+		fmt.Printf("could not execute transaction: %v\n", err)
+	}
+	err = tx.Commit()
+	if err != nil {
+		return fmt.Errorf("could not commit transaction: %v", err)
+	}
+	return nil
+}
+
+func GetTrustedIssuer(path string, issuer string) (*oauth.TrustedIssuer, error) {
+	db, err := sqlx.Open("sqlite3", path)
+	if err != nil {
+		return nil, fmt.Errorf("could not open database: %v", err)
+	}
+
+	results := &oauth.TrustedIssuer{}
+	err = db.Select(&results, "SELECT * FROM trusted_issuers ORDER BY host ASC, port ASC LIMIT 1;")
+	if err != nil {
+		return nil, fmt.Errorf("could not retrieve probes: %v", err)
+	}
+	return results, nil
+}
+
+func DeleteTrustedIssuer(path string, ids []string) error {
+	if ids == nil {
+		return fmt.Errorf("no probe results found")
+	}
+	db, err := sqlx.Open("sqlite3", path)
+	if err != nil {
+		return fmt.Errorf("could not open database: %v", err)
+	}
+	tx := db.MustBegin()
+	for _, state := range ids {
+		sql := `DELETE FROM identity_providers WHERE id = :id;`
+		_, err := tx.NamedExec(sql, &state)
+		if err != nil {
+			fmt.Printf("could not execute transaction: %v\n", err)
+		}
+	}
+
+	err = tx.Commit()
+	if err != nil {
+		return fmt.Errorf("could not commit transaction: %v", err)
+	}
+	return nil
+}