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https://github.com/containers/podman.git
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5aead1509c
* Refactor auth pkg to support X-Registry-Config * Refactor build endpoint to support X-Registry-Config. Supports: * --creds * --authfile * Added X-Reference-Id Header to http.Request to support log event correlation * Log headers from http.Request Signed-off-by: Jhon Honce <jhonce@redhat.com>
76 lines
2.5 KiB
Go
76 lines
2.5 KiB
Go
package server
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import (
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"context"
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"fmt"
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"net/http"
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"runtime"
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"github.com/containers/podman/v2/pkg/api/handlers/utils"
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"github.com/containers/podman/v2/pkg/auth"
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"github.com/google/uuid"
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"github.com/sirupsen/logrus"
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)
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// APIHandler is a wrapper to enhance HandlerFunc's and remove redundant code
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func (s *APIServer) APIHandler(h http.HandlerFunc) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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// http.Server hides panics, we want to see them and fix the cause.
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defer func() {
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err := recover()
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if err != nil {
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buf := make([]byte, 1<<20)
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n := runtime.Stack(buf, true)
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logrus.Warnf("Recovering from API handler panic: %v, %s", err, buf[:n])
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// Try to inform client things went south... won't work if handler already started writing response body
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utils.InternalServerError(w, fmt.Errorf("%v", err))
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}
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}()
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// Wrapper to hide some boiler plate
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fn := func(w http.ResponseWriter, r *http.Request) {
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rid := uuid.New().String()
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if logrus.IsLevelEnabled(logrus.DebugLevel) {
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logrus.Debugf("APIHandler(%s) -- Method: %s URL: %s", rid, r.Method, r.URL.String())
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for k, v := range r.Header {
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switch auth.HeaderAuthName(k) {
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case auth.XRegistryConfigHeader, auth.XRegistryAuthHeader:
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logrus.Debugf("APIHandler(%s) -- Header: %s: <hidden>", rid, k)
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default:
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logrus.Debugf("APIHandler(%s) -- Header: %s: %v", rid, k, v)
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}
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}
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}
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// Set in case handler wishes to correlate logging events
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r.Header.Set("X-Reference-Id", rid)
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if err := r.ParseForm(); err != nil {
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logrus.Infof("Failed Request: unable to parse form: %q (%s)", err, rid)
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}
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// TODO: Use r.ConnContext when ported to go 1.13
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c := context.WithValue(r.Context(), "decoder", s.Decoder) // nolint
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c = context.WithValue(c, "runtime", s.Runtime) // nolint
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c = context.WithValue(c, "shutdownFunc", s.Shutdown) // nolint
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c = context.WithValue(c, "idletracker", s.idleTracker) // nolint
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r = r.WithContext(c)
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cv := utils.APIVersion[utils.CompatTree][utils.CurrentAPIVersion]
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w.Header().Set("API-Version", fmt.Sprintf("%d.%d", cv.Major, cv.Minor))
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lv := utils.APIVersion[utils.LibpodTree][utils.CurrentAPIVersion].String()
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w.Header().Set("Libpod-API-Version", lv)
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w.Header().Set("Server", "Libpod/"+lv+" ("+runtime.GOOS+")")
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h(w, r)
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}
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fn(w, r)
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}
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}
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// VersionedPath prepends the version parsing code
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// any handler may override this default when registering URL(s)
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func VersionedPath(p string) string {
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return "/v{version:[0-9][0-9.]*}" + p
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}
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