73 lines
1.6 KiB
Go
73 lines
1.6 KiB
Go
package server
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import (
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"encoding/json"
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"fmt"
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"github.com/emersion/go-smtp"
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"net/http"
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"strings"
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)
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func readBoolParam(r *http.Request, defaultValue bool, names ...string) bool {
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value := strings.ToLower(readParam(r, names...))
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if value == "" {
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return defaultValue
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}
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return value == "1" || value == "yes" || value == "true"
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}
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func readParam(r *http.Request, names ...string) string {
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value := readHeaderParam(r, names...)
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if value != "" {
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return value
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}
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return readQueryParam(r, names...)
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}
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func readHeaderParam(r *http.Request, names ...string) string {
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for _, name := range names {
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value := r.Header.Get(name)
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if value != "" {
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return strings.TrimSpace(value)
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}
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}
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return ""
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}
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func readQueryParam(r *http.Request, names ...string) string {
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for _, name := range names {
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value := r.URL.Query().Get(strings.ToLower(name))
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if value != "" {
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return strings.TrimSpace(value)
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}
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}
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return ""
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}
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func logMessagePrefix(v *visitor, m *message) string {
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return fmt.Sprintf("%s/%s/%s", v.ip, m.Topic, m.ID)
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}
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func logHTTPPrefix(v *visitor, r *http.Request) string {
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requestURI := r.RequestURI
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if requestURI == "" {
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requestURI = r.URL.Path
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}
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return fmt.Sprintf("%s HTTP %s %s", v.ip, r.Method, requestURI)
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}
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func logSMTPPrefix(state *smtp.ConnectionState) string {
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return fmt.Sprintf("%s/%s SMTP", state.Hostname, state.RemoteAddr.String())
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}
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func maybeMarshalJSON(v interface{}) string {
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messageJSON, err := json.MarshalIndent(v, "", " ")
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if err != nil {
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return "<cannot serialize>"
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}
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if len(messageJSON) > 5000 {
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return string(messageJSON)[:5000]
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}
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return string(messageJSON)
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}
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