92 lines
2.3 KiB
Go
92 lines
2.3 KiB
Go
package server
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import (
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"fmt"
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"github.com/emersion/go-smtp"
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"heckel.io/ntfy/util"
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"net/http"
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"strings"
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"unicode/utf8"
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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 renderHTTPRequest(r *http.Request) string {
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peekLimit := 4096
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lines := fmt.Sprintf("%s %s %s\n", r.Method, r.URL.RequestURI(), r.Proto)
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for key, values := range r.Header {
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for _, value := range values {
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lines += fmt.Sprintf("%s: %s\n", key, value)
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}
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}
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lines += "\n"
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body, err := util.Peek(r.Body, peekLimit)
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if err != nil {
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lines = fmt.Sprintf("(could not read body: %s)\n", err.Error())
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} else if utf8.Valid(body.PeekedBytes) {
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lines += string(body.PeekedBytes)
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if body.LimitReached {
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lines += fmt.Sprintf(" ... (peeked %d bytes)", peekLimit)
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}
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lines += "\n"
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} else {
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if body.LimitReached {
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lines += fmt.Sprintf("(peeked bytes not UTF-8, peek limit of %d bytes reached, hex: %x ...)\n", peekLimit, body.PeekedBytes)
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} else {
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lines += fmt.Sprintf("(peeked bytes not UTF-8, %d bytes, hex: %x)\n", len(body.PeekedBytes), body.PeekedBytes)
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}
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}
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r.Body = body // Important: Reset body, so it can be re-read
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return strings.TrimSpace(lines)
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}
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