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schema.sql

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+-- One-Time File Share — database schema
+-- Run this once against your MySQL database, e.g.:
+--   mysql -u root -p < schema.sql
+-- No auto-migration happens at app startup.
+--
+-- This creates the database and selects it. If you already created the database
+-- yourself (and your DB_NAME differs from `fileshare`), delete the two lines below
+-- and instead pick the database first (in MySQL Workbench: double-click it in the
+-- SCHEMAS sidebar, or run `USE your_db_name;`).
+
+CREATE DATABASE IF NOT EXISTS fileshare CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+USE fileshare;
+
+SET NAMES utf8mb4;
+
+CREATE TABLE IF NOT EXISTS users (
+  id             BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
+  username       VARCHAR(64)  NOT NULL,
+  email          VARCHAR(255) NOT NULL,
+  password_hash  VARCHAR(255) NOT NULL,
+  email_verified TINYINT(1)   NOT NULL DEFAULT 0,
+  is_admin       TINYINT(1)   NOT NULL DEFAULT 0,
+  disabled       TINYINT(1)   NOT NULL DEFAULT 0,
+  verify_token   CHAR(64)     NULL,
+  verify_sent_at DATETIME     NULL,
+  created_at     DATETIME     NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  PRIMARY KEY (id),
+  UNIQUE KEY uq_users_username (username),
+  UNIQUE KEY uq_users_email (email),
+  KEY idx_users_verify_token (verify_token)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE IF NOT EXISTS files (
+  id            BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
+  user_id       BIGINT UNSIGNED NOT NULL,
+  original_name VARCHAR(512) NOT NULL,
+  stored_name   CHAR(36)     NOT NULL,
+  ext           VARCHAR(32)  NULL,
+  mime          VARCHAR(255) NULL,
+  size_bytes    BIGINT UNSIGNED NOT NULL DEFAULT 0,
+  is_bundle     TINYINT(1)   NOT NULL DEFAULT 0,
+  compressed    TINYINT(1)   NOT NULL DEFAULT 0,
+  compressing   TINYINT(1)   NOT NULL DEFAULT 0,
+  av_status     ENUM('pending','clean','infected','skipped') NOT NULL DEFAULT 'pending',
+  created_at    DATETIME     NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  PRIMARY KEY (id),
+  UNIQUE KEY uq_files_stored_name (stored_name),
+  KEY idx_files_user (user_id),
+  CONSTRAINT fk_files_user FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE IF NOT EXISTS download_links (
+  id         BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
+  file_id    BIGINT UNSIGNED NOT NULL,
+  token      CHAR(43)     NOT NULL,
+  used       TINYINT(1)   NOT NULL DEFAULT 0,
+  used_at    DATETIME     NULL,
+  expires_at DATETIME     NOT NULL,
+  created_at DATETIME     NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  PRIMARY KEY (id),
+  UNIQUE KEY uq_links_token (token),
+  KEY idx_links_file (file_id),
+  CONSTRAINT fk_links_file FOREIGN KEY (file_id) REFERENCES files (id) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+-- Session store table required by express-mysql-session.
+CREATE TABLE IF NOT EXISTS sessions (
+  session_id VARCHAR(128) COLLATE utf8mb4_bin NOT NULL,
+  expires    INT UNSIGNED NOT NULL,
+  data       MEDIUMTEXT COLLATE utf8mb4_bin,
+  PRIMARY KEY (session_id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;