TUN-528: Move cloudflared into a separate repo

vendor/github.com/getsentry/raven-go/http.go

@@ -0,0 +1,85 @@
+package raven
+
+import (
+	"errors"
+	"fmt"
+	"net"
+	"net/http"
+	"net/url"
+	"runtime/debug"
+	"strings"
+)
+
+func NewHttp(req *http.Request) *Http {
+	proto := "http"
+	if req.TLS != nil || req.Header.Get("X-Forwarded-Proto") == "https" {
+		proto = "https"
+	}
+	h := &Http{
+		Method:  req.Method,
+		Cookies: req.Header.Get("Cookie"),
+		Query:   sanitizeQuery(req.URL.Query()).Encode(),
+		URL:     proto + "://" + req.Host + req.URL.Path,
+		Headers: make(map[string]string, len(req.Header)),
+	}
+	if addr, port, err := net.SplitHostPort(req.RemoteAddr); err == nil {
+		h.Env = map[string]string{"REMOTE_ADDR": addr, "REMOTE_PORT": port}
+	}
+	for k, v := range req.Header {
+		h.Headers[k] = strings.Join(v, ",")
+	}
+	h.Headers["Host"] = req.Host
+	return h
+}
+
+var querySecretFields = []string{"password", "passphrase", "passwd", "secret"}
+
+func sanitizeQuery(query url.Values) url.Values {
+	for _, keyword := range querySecretFields {
+		for field := range query {
+			if strings.Contains(field, keyword) {
+				query[field] = []string{"********"}
+			}
+		}
+	}
+	return query
+}
+
+// https://docs.getsentry.com/hosted/clientdev/interfaces/#context-interfaces
+type Http struct {
+	// Required
+	URL    string `json:"url"`
+	Method string `json:"method"`
+	Query  string `json:"query_string,omitempty"`
+
+	// Optional
+	Cookies string            `json:"cookies,omitempty"`
+	Headers map[string]string `json:"headers,omitempty"`
+	Env     map[string]string `json:"env,omitempty"`
+
+	// Must be either a string or map[string]string
+	Data interface{} `json:"data,omitempty"`
+}
+
+func (h *Http) Class() string { return "request" }
+
+// Recovery handler to wrap the stdlib net/http Mux.
+// Example:
+//	http.HandleFunc("/", raven.RecoveryHandler(func(w http.ResponseWriter, r *http.Request) {
+//		...
+//	}))
+func RecoveryHandler(handler func(http.ResponseWriter, *http.Request)) func(http.ResponseWriter, *http.Request) {
+	return func(w http.ResponseWriter, r *http.Request) {
+		defer func() {
+			if rval := recover(); rval != nil {
+				debug.PrintStack()
+				rvalStr := fmt.Sprint(rval)
+				packet := NewPacket(rvalStr, NewException(errors.New(rvalStr), GetOrNewStacktrace(rval.(error), 2, 3, nil)), NewHttp(r))
+				Capture(packet, nil)
+				w.WriteHeader(http.StatusInternalServerError)
+			}
+		}()
+
+		handler(w, r)
+	}
+}