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91 lines
2.2 KiB
91 lines
2.2 KiB
package rpcserver
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import (
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"encoding/hex"
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"net/http"
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"regexp"
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"strconv"
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"github.com/pkg/errors"
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)
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var (
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// Parts of regular expressions
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atom = "[A-Z0-9!#$%&'*+\\-/=?^_`{|}~]+"
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dotAtom = atom + `(?:\.` + atom + `)*`
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domain = `[A-Z0-9.-]+\.[A-Z]{2,4}`
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ReInt = regexp.MustCompile(`^-?[0-9]+$`)
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ReHex = regexp.MustCompile(`^(?i)[a-f0-9]+$`)
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ReEmail = regexp.MustCompile(`^(?i)(` + dotAtom + `)@(` + dotAtom + `)$`)
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ReAddress = regexp.MustCompile(`^(?i)[a-z0-9]{25,34}$`)
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ReHost = regexp.MustCompile(`^(?i)(` + domain + `)$`)
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//RE_ID12 = regexp.MustCompile(`^[a-zA-Z0-9]{12}$`)
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)
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func GetParam(r *http.Request, param string) string {
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s := r.URL.Query().Get(param)
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if s == "" {
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s = r.FormValue(param)
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}
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return s
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}
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func GetParamByteSlice(r *http.Request, param string) ([]byte, error) {
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s := GetParam(r, param)
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return hex.DecodeString(s)
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}
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func GetParamInt64(r *http.Request, param string) (int64, error) {
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s := GetParam(r, param)
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i, err := strconv.ParseInt(s, 10, 64)
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if err != nil {
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return 0, errors.Errorf(param, err.Error())
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}
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return i, nil
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}
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func GetParamInt32(r *http.Request, param string) (int32, error) {
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s := GetParam(r, param)
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i, err := strconv.ParseInt(s, 10, 32)
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if err != nil {
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return 0, errors.Errorf(param, err.Error())
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}
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return int32(i), nil
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}
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func GetParamUint64(r *http.Request, param string) (uint64, error) {
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s := GetParam(r, param)
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i, err := strconv.ParseUint(s, 10, 64)
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if err != nil {
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return 0, errors.Errorf(param, err.Error())
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}
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return i, nil
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}
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func GetParamUint(r *http.Request, param string) (uint, error) {
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s := GetParam(r, param)
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i, err := strconv.ParseUint(s, 10, 64)
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if err != nil {
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return 0, errors.Errorf(param, err.Error())
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}
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return uint(i), nil
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}
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func GetParamRegexp(r *http.Request, param string, re *regexp.Regexp) (string, error) {
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s := GetParam(r, param)
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if !re.MatchString(s) {
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return "", errors.Errorf(param, "did not match regular expression %v", re.String())
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}
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return s, nil
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}
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func GetParamFloat64(r *http.Request, param string) (float64, error) {
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s := GetParam(r, param)
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f, err := strconv.ParseFloat(s, 64)
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if err != nil {
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return 0, errors.Errorf(param, err.Error())
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}
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return f, nil
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}
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