48 lines
1.0 KiB
Go
48 lines
1.0 KiB
Go
package filemanager
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import (
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"encoding/base64"
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"encoding/json"
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"html/template"
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"log"
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"reflect"
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)
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// Create the functions map, then the template, check for erros and
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// execute the template if there aren't errors
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var functionMap = template.FuncMap{
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"Defined": defined,
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"CSS": css,
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"Marshal": marshal,
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"EncodeBase64": encodeBase64,
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}
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// defined checks if variable is defined in a struct
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func defined(data interface{}, field string) bool {
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t := reflect.Indirect(reflect.ValueOf(data)).Type()
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if t.Kind() != reflect.Struct {
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log.Print("Non-struct type not allowed.")
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return false
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}
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_, b := t.FieldByName(field)
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return b
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}
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// css returns the sanitized and safe css
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func css(s string) template.CSS {
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return template.CSS(s)
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}
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// marshal converts an interface to json and sanitizes it
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func marshal(v interface{}) template.JS {
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a, _ := json.Marshal(v)
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return template.JS(a)
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}
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// encodeBase64 encodes a string in base 64
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func encodeBase64(s string) string {
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return base64.StdEncoding.EncodeToString([]byte(s))
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}
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