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