68 lines
1.2 KiB
Go
68 lines
1.2 KiB
Go
package utils
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import (
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"net/url"
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"os"
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)
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// DoesFileExist returns true, if a file exists (and actually is a file)
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func DoesFileExist(p string) bool {
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s, err := os.Stat(p)
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if os.IsNotExist(err) {
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return false
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}
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if s.IsDir() {
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return false
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}
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return true
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}
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// DoesFolderExist returns true, if a folder exists (and actually is a folder)
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func DoesFolderExist(p string) bool {
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s, err := os.Stat(p)
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if os.IsNotExist(err) {
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return false
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}
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if !s.IsDir() {
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return false
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}
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return true
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}
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// DoesStringContainsNonWhitelistedSubstrings returns false if s contains substrings which are not in whitelist
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func DoesStringContainsNonWhitelistedSubstrings(s string, whitelist map[string]string) bool {
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for _, char := range s {
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_, charIsWhitelisted := whitelist[string(char)]
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if !charIsWhitelisted {
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return true
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}
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}
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return false
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}
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// IsStringInSliceOfStrings returns true, if slice contains target
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func IsStringInSliceOfStrings(slice []string, target string) bool {
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for _, v := range slice {
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if v == target {
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return true
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}
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}
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return false
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}
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// IsValidUrl returns true, if s is a valid URL
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func IsValidUrl(s string) bool {
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u, err := url.Parse(s)
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if err != nil || u.Scheme == "" || u.Host == "" {
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return false
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}
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return true
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}
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