vendoring sources, for posterity sake

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>

vendor/github.com/vbatts/go-httplog/LICENSE

@@ -0,0 +1,27 @@
+Copyright (c) 2013 Vincent Batts <vbatts@hashbangbash.com>.  All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+   * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+   * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+   * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

vendor/github.com/vbatts/go-httplog/httplog.go

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+package httplog
+
+import (
+	"fmt"
+	"net"
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/Sirupsen/logrus"
+)
+
+var (
+	/* This default icon is empty with a long lived cache */
+	DefaultFavIcon FavIcon = defaultFavIcon{}
+)
+
+type defaultFavIcon struct {
+}
+
+func (dfi defaultFavIcon) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	LogRequest(r, 200)
+	w.Header().Set("Cache-Control", "max-age=315360000")
+}
+
+/* simple interface for a favicon */
+type FavIcon interface {
+	ServeHTTP(w http.ResponseWriter, r *http.Request)
+}
+
+// for debugging request headers
+func LogHeaders(r *http.Request) {
+	fmt.Printf("HEADERS:\n")
+	for k, v := range r.Header {
+		fmt.Printf("\t%s\n", k)
+		for i, _ := range v {
+			fmt.Printf("\t\t%s\n", v[i])
+		}
+	}
+}
+
+/* kindof a common log type output */
+func LogRequest(r *http.Request, statusCode int) {
+	var addr string
+	var user_agent string
+
+	user_agent = ""
+	addr = RealIP(r)
+
+	for k, v := range r.Header {
+		if k == "User-Agent" {
+			user_agent = strings.Join(v, " ")
+		}
+		if k == "X-Forwarded-For" {
+			addr = strings.Join(v, " ")
+		}
+	}
+
+	fmt.Printf("%s - - [%s] \"%s %s\" \"%s\" %d %d\n",
+		addr,
+		time.Now().Format(time.RFC1123Z),
+		r.Method,
+		r.URL.String(),
+		user_agent,
+		statusCode,
+		r.ContentLength)
+}
+
+func RealIP(r *http.Request) string {
+	rip := RealIPs(r)
+	if len(rip) == 0 {
+		return ""
+	}
+	return rip[len(rip)-1]
+}
+
+func RealIPs(r *http.Request) (ips []string) {
+	logrus.Infof("httplog: RemoteAddr: %q", r.RemoteAddr)
+	ip, _, err := net.SplitHostPort(r.RemoteAddr)
+	if err != nil {
+		logrus.Errorf("httplog: %q", err)
+		return nil
+	}
+
+	if ip != "" {
+		ips = append(ips, ip)
+	}
+
+	val := r.Header.Get("X-Forwarded-For")
+	logrus.Infof("httplog: X-Forwarded-For: %q", val)
+	if val != "" {
+		for _, ip := range strings.Split(val, ", ") {
+			ips = append(ips, ip)
+		}
+	}
+	return ips
+}