kopia lustrzana https://github.com/bugout-dev/moonstream
53 wiersze
1.6 KiB
Go
53 wiersze
1.6 KiB
Go
package cmd
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import (
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"log"
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"net/http"
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"strings"
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"time"
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settings "github.com/bugout-dev/moonstream/nodes/server/configs"
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)
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// Handle panic errors to prevent server shutdown
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func panicMiddleware(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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defer func() {
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if err := recover(); err != nil {
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log.Println("recovered", err)
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http.Error(w, "Internal server error", 500)
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}
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}()
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// There will be a defer with panic handler in each next function
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next.ServeHTTP(w, r)
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})
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}
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// Log requests in proper format
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func logsMiddleware(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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start := time.Now()
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next.ServeHTTP(w, r)
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log.Printf("%s %s %s %s\n", time.Since(start), r.Method, r.URL.Path, r.RemoteAddr)
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})
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}
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// CORS middleware
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func corsMiddleware(next http.Handler) http.Handler {
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// Iterate over list of allowed origins
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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for _, allowedOrigin := range strings.Split(settings.MOONSTREAM_CORS_ALLOWED_ORIGINS, ",") {
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if r.Header.Get("Origin") == allowedOrigin {
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w.Header().Set("Access-Control-Allow-Origin", allowedOrigin)
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}
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}
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if r.Method == "OPTIONS" {
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w.Header().Set("Access-Control-Allow-Methods", "GET,OPTIONS")
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// Credentials are cookies, authorization headers, or TLS client certificates
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w.Header().Set("Access-Control-Allow-Credentials", "true")
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w.Header().Set("Access-Control-Allow-Headers", "Authorization")
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}
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next.ServeHTTP(w, r)
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})
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}
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