102 lines
2.3 KiB
Go
102 lines
2.3 KiB
Go
// Copyright 2018 Frédéric Guillot. All rights reserved.
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// Use of this source code is governed by the Apache 2.0
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// license that can be found in the LICENSE file.
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package request // import "miniflux.app/http/request"
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import (
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"net/http"
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"strconv"
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"strings"
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"github.com/gorilla/mux"
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)
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// FormInt64Value returns a form value as integer.
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func FormInt64Value(r *http.Request, param string) int64 {
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value := r.FormValue(param)
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integer, err := strconv.ParseInt(value, 10, 64)
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if err != nil {
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return 0
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}
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return integer
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}
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// RouteInt64Param returns an URL route parameter as int64.
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func RouteInt64Param(r *http.Request, param string) int64 {
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vars := mux.Vars(r)
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value, err := strconv.ParseInt(vars[param], 10, 64)
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if err != nil {
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return 0
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}
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if value < 0 {
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return 0
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}
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return value
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}
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// RouteStringParam returns a URL route parameter as string.
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func RouteStringParam(r *http.Request, param string) string {
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vars := mux.Vars(r)
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return vars[param]
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}
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// QueryStringParam returns a query string parameter as string.
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func QueryStringParam(r *http.Request, param, defaultValue string) string {
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value := r.URL.Query().Get(param)
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if value == "" {
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value = defaultValue
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}
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return value
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}
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// QueryStringParamList returns all values associated to the parameter.
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func QueryStringParamList(r *http.Request, param string) []string {
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var results []string
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values := r.URL.Query()
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if _, found := values[param]; found {
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for _, value := range values[param] {
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value = strings.TrimSpace(value)
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if value != "" {
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results = append(results, value)
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}
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}
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}
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return results
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}
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// QueryIntParam returns a query string parameter as integer.
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func QueryIntParam(r *http.Request, param string, defaultValue int) int {
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return int(QueryInt64Param(r, param, int64(defaultValue)))
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}
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// QueryInt64Param returns a query string parameter as int64.
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func QueryInt64Param(r *http.Request, param string, defaultValue int64) int64 {
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value := r.URL.Query().Get(param)
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if value == "" {
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return defaultValue
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}
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val, err := strconv.ParseInt(value, 10, 64)
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if err != nil {
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return defaultValue
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}
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if val < 0 {
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return defaultValue
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}
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return val
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}
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// HasQueryParam checks if the query string contains the given parameter.
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func HasQueryParam(r *http.Request, param string) bool {
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values := r.URL.Query()
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_, ok := values[param]
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return ok
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}
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