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improve nick and channel length validation

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This commit is contained in:
Shivaram Lingamneni 2020-02-20 18:19:17 -05:00
parent 108ef3f424
commit 8123e3c08f
3 changed files with 19 additions and 9 deletions
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18
irc/mysql/history.go
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@ -15,6 +15,10 @@ import (
)
const (
// maximum length in bytes of any message target (nickname or channel name) in its
// canonicalized (i.e., casefolded) state:
MaxTargetLength = 64
// latest schema of the db
latestDbSchema = "1"
keySchemaVersion = "db.version"
@ -120,27 +124,27 @@ func (mysql *MySQL) createTables() (err error) {
return err
}
_, err = mysql.db.Exec(`CREATE TABLE sequence (
_, err = mysql.db.Exec(fmt.Sprintf(`CREATE TABLE sequence (
id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
target VARBINARY(64) NOT NULL,
target VARBINARY(%[1]d) NOT NULL,
nanotime BIGINT UNSIGNED NOT NULL,
history_id BIGINT NOT NULL,
KEY (target, nanotime),
KEY (history_id)
) CHARSET=ascii COLLATE=ascii_bin;`)
) CHARSET=ascii COLLATE=ascii_bin;`, MaxTargetLength))
if err != nil {
return err
}
_, err = mysql.db.Exec(`CREATE TABLE conversations (
_, err = mysql.db.Exec(fmt.Sprintf(`CREATE TABLE conversations (
id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
lower_target VARBINARY(64) NOT NULL,
upper_target VARBINARY(64) NOT NULL,
lower_target VARBINARY(%[1]d) NOT NULL,
upper_target VARBINARY(%[1]d) NOT NULL,
nanotime BIGINT UNSIGNED NOT NULL,
history_id BIGINT NOT NULL,
KEY (lower_target, upper_target, nanotime),
KEY (history_id)
) CHARSET=ascii COLLATE=ascii_bin;`)
) CHARSET=ascii COLLATE=ascii_bin;`, MaxTargetLength))
if err != nil {
return err
}