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// SPDX-FileCopyrightText: Copyright The Miniflux Authors. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
package validator // import "miniflux.app/v2/internal/validator"
import (
"fmt"
"net/url"
"regexp"
)
// ValidateRange makes sure the offset/limit values are valid.
func ValidateRange(offset, limit int) error {
if offset < 0 {
return fmt.Errorf(`offset value should be >= 0`)
}
if limit < 0 {
return fmt.Errorf(`limit value should be >= 0`)
}
return nil
}
// ValidateDirection makes sure the sorting direction is valid.
func ValidateDirection(direction string) error {
switch direction {
case "asc", "desc":
return nil
}
return fmt.Errorf(`invalid direction, valid direction values are: "asc" or "desc"`)
}
// IsValidRegex verifies if the regex can be compiled.
func IsValidRegex(expr string) bool {
_, err := regexp.Compile(expr)
return err == nil
}
// IsValidURL verifies if the provided value is a valid absolute URL.
func IsValidURL(absoluteURL string) bool {
_, err := url.ParseRequestURI(absoluteURL)
return err == nil
}
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