126 lines
3.5 KiB
Go
126 lines
3.5 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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"github.com/gorilla/websocket"
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"heckel.io/ntfy/v2/log"
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"heckel.io/ntfy/v2/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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// Log tags
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const (
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tagStartup = "startup"
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tagHTTP = "http"
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tagPublish = "publish"
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tagSubscribe = "subscribe"
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tagFirebase = "firebase"
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tagSMTP = "smtp" // Receive email
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tagEmail = "email" // Send email
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tagTwilio = "twilio"
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tagFileCache = "file_cache"
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tagMessageCache = "message_cache"
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tagStripe = "stripe"
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tagAccount = "account"
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tagManager = "manager"
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tagResetter = "resetter"
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tagWebsocket = "websocket"
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tagMatrix = "matrix"
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tagWebPush = "webpush"
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)
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var (
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normalErrorCodes = []int{http.StatusNotFound, http.StatusBadRequest, http.StatusTooManyRequests, http.StatusUnauthorized, http.StatusForbidden, http.StatusInsufficientStorage}
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rateLimitingErrorCodes = []int{http.StatusTooManyRequests, http.StatusRequestEntityTooLarge}
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)
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// logr creates a new log event with HTTP request fields
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func logr(r *http.Request) *log.Event {
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return log.Tag(tagHTTP).Fields(httpContext(r)) // Tag may be overwritten
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}
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// logv creates a new log event with visitor fields
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func logv(v *visitor) *log.Event {
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return log.With(v)
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}
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// logvr creates a new log event with HTTP request and visitor fields
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func logvr(v *visitor, r *http.Request) *log.Event {
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return logr(r).With(v)
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}
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// logvrm creates a new log event with HTTP request, visitor fields and message fields
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func logvrm(v *visitor, r *http.Request, m *message) *log.Event {
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return logvr(v, r).With(m)
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}
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// logvrm creates a new log event with visitor fields and message fields
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func logvm(v *visitor, m *message) *log.Event {
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return logv(v).With(m)
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}
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// logem creates a new log event with email fields
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func logem(smtpConn *smtp.Conn) *log.Event {
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ev := log.Tag(tagSMTP).Field("smtp_hostname", smtpConn.Hostname())
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if smtpConn.Conn() != nil {
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ev.Field("smtp_remote_addr", smtpConn.Conn().RemoteAddr().String())
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}
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return ev
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}
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func httpContext(r *http.Request) log.Context {
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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 log.Context{
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"http_method": r.Method,
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"http_path": requestURI,
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}
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}
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func websocketErrorContext(err error) log.Context {
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if c, ok := err.(*websocket.CloseError); ok {
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return log.Context{
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"error": c.Error(),
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"error_code": c.Code,
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"error_type": "websocket.CloseError",
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}
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}
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return log.Context{
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"error": err.Error(),
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}
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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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