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@ -0,0 +1,115 @@ |
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package rpc |
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import ( |
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"fmt" |
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"net/http" |
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"regexp" |
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"strconv" |
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. "github.com/tendermint/tendermint/common" |
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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!#$%&'*+\\-/=?^_`{|}~]+" |
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dotAtom = atom + `(?:\.` + atom + `)*` |
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domain = `[A-Z0-9.-]+\.[A-Z]{2,4}` |
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RE_HEX = regexp.MustCompile(`^(?i)[a-f0-9]+$`) |
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RE_EMAIL = regexp.MustCompile(`^(?i)(` + dotAtom + `)@(` + dotAtom + `)$`) |
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RE_ADDRESS = regexp.MustCompile(`^(?i)[a-z0-9]{25,34}$`) |
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RE_HOST = 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 panicAPI(err error) { |
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panic(APIResponse{API_INVALID_PARAM, err.Error()}) |
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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 GetParamInt64Safe(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, Errorf(param, err.Error()) |
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} |
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return i, nil |
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} |
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func GetParamInt64(r *http.Request, param string) int64 { |
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i, err := GetParamInt64Safe(r, param) |
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if err != nil { |
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panicAPI(err) |
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} |
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return i |
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} |
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func GetParamInt32Safe(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, 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 GetParamInt32(r *http.Request, param string) int32 { |
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i, err := GetParamInt32Safe(r, param) |
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if err != nil { |
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panicAPI(err) |
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} |
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return i |
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} |
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func GetParamUint64Safe(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, Errorf(param, err.Error()) |
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} |
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return i, nil |
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} |
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func GetParamUint64(r *http.Request, param string) uint64 { |
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i, err := GetParamUint64Safe(r, param) |
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if err != nil { |
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panicAPI(err) |
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} |
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return i |
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} |
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func GetParamRegexpSafe(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 "", 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 GetParamRegexp(r *http.Request, param string, re *regexp.Regexp, required bool) string { |
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s, err := GetParamRegexpSafe(r, param, re) |
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if (required || s != "") && err != nil { |
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panicAPI(err) |
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} |
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return s |
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} |
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func GetParamFloat64Safe(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, Errorf(param, err.Error()) |
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} |
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return f, nil |
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} |
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func GetParamFloat64(r *http.Request, param string) float64 { |
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f, err := GetParamFloat64Safe(r, param) |
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if err != nil { |
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panicAPI(err) |
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} |
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return f |
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} |