owncast/core/data/messages.go
Gabe Kangas 19b9a8bdf6
Add support for IP-based bans (#1703)
* Add support for IP-based bans. Closes #1534

* Linter cleanup
2022-03-06 20:34:49 -08:00

112 lines
3 KiB
Go

package data
import (
"context"
"database/sql"
"github.com/owncast/owncast/db"
"github.com/owncast/owncast/models"
log "github.com/sirupsen/logrus"
)
// CreateMessagesTable will create the chat messages table if needed.
func CreateMessagesTable(db *sql.DB) {
createTableSQL := `CREATE TABLE IF NOT EXISTS messages (
"id" string NOT NULL,
"user_id" INTEGER,
"body" TEXT,
"eventType" TEXT,
"hidden_at" DATETIME,
"timestamp" DATETIME,
"title" TEXT,
"subtitle" TEXT,
"image" TEXT,
"link" TEXT,
PRIMARY KEY (id)
);CREATE INDEX index ON messages (id, user_id, hidden_at, timestamp);
CREATE INDEX id ON messages (id);
CREATE INDEX user_id ON messages (user_id);
CREATE INDEX hidden_at ON messages (hidden_at);
CREATE INDEX timestamp ON messages (timestamp);`
stmt, err := db.Prepare(createTableSQL)
if err != nil {
log.Fatal("error creating chat messages table", err)
}
defer stmt.Close()
if _, err := stmt.Exec(); err != nil {
log.Fatal("error creating chat messages table", err)
}
}
// GetMessagesCount will return the number of messages in the database.
func GetMessagesCount() int64 {
query := `SELECT COUNT(*) FROM messages`
rows, err := _db.Query(query)
if err != nil || rows.Err() != nil {
return 0
}
defer rows.Close()
var count int64
for rows.Next() {
if err := rows.Scan(&count); err != nil {
return 0
}
}
return count
}
// CreateBanIPTable will create the IP ban table if needed.
func CreateBanIPTable(db *sql.DB) {
createTableSQL := ` CREATE TABLE IF NOT EXISTS ip_bans (
"ip_address" TEXT NOT NULL PRIMARY KEY,
"notes" TEXT,
"created_at" TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);`
stmt, err := db.Prepare(createTableSQL)
if err != nil {
log.Fatal("error creating ip ban table", err)
}
defer stmt.Close()
if _, err := stmt.Exec(); err != nil {
log.Fatal("error creating ip ban table", err)
}
}
// BanIPAddress will persist a new IP address ban to the datastore.
func BanIPAddress(address, note string) error {
return _datastore.GetQueries().BanIPAddress(context.Background(), db.BanIPAddressParams{
IpAddress: address,
Notes: sql.NullString{String: note, Valid: true},
})
}
// IsIPAddressBanned will return if an IP address has been previously blocked.
func IsIPAddressBanned(address string) (bool, error) {
blocked, error := _datastore.GetQueries().IsIPAddressBlocked(context.Background(), address)
return blocked > 0, error
}
// GetIPAddressBans will return all the banned IP addresses.
func GetIPAddressBans() ([]models.IPAddress, error) {
result, err := _datastore.GetQueries().GetIPAddressBans(context.Background())
if err != nil {
return nil, err
}
response := []models.IPAddress{}
for _, ip := range result {
response = append(response, models.IPAddress{
IPAddress: ip.IpAddress,
Notes: ip.Notes.String,
CreatedAt: ip.CreatedAt.Time,
})
}
return response, err
}
// RemoveIPAddressBan will remove a previously banned IP address.
func RemoveIPAddressBan(address string) error {
return _datastore.GetQueries().RemoveIPAddressBan(context.Background(), address)
}