pgweb/pkg/client/util.go

34 lines
886 B
Go

package client
import (
"regexp"
"strings"
)
var (
// List of keywords that are not allowed in read-only mode
reRestrictedKeywords = regexp.MustCompile(`(?mi)\s?(CREATE|INSERT|DROP|DELETE|TRUNCATE|GRANT|OPEN|IMPORT|COPY)\s`)
// Comment regular expressions
reSlashComment = regexp.MustCompile(`(?m)/\*.+\*/`)
reDashComment = regexp.MustCompile(`(?m)--.+`)
)
// Get short version from the string
// Example: 10.2.3.1 -> 10.2
func getMajorMinorVersion(str string) string {
chunks := strings.Split(str, ".")
if len(chunks) == 0 {
return str
}
return strings.Join(chunks[0:2], ".")
}
// containsRestrictedKeywords returns true if given keyword is not allowed in read-only mode
func containsRestrictedKeywords(str string) bool {
str = reSlashComment.ReplaceAllString(str, "")
str = reDashComment.ReplaceAllString(str, "")
return reRestrictedKeywords.MatchString(str)
}