From 52cc3b4dffed5ef6498a17dd02f21a7d83a13eea Mon Sep 17 00:00:00 2001
From: andreimarcu <andrei@marcu.net>
Date: Thu, 1 Oct 2015 10:32:59 -0400
Subject: [PATCH] Add fastcgi support and static cache headers

---
 README.md    | 34 ++++++++++++++++++++++++++--------
 fileserve.go |  2 ++
 server.go    | 13 ++++++++++++-
 3 files changed, 40 insertions(+), 9 deletions(-)

diff --git a/README.md b/README.md
index 4c1a593..e62036e 100644
--- a/README.md
+++ b/README.md
@@ -11,19 +11,37 @@ Soon-to-be opensource replacement of Linx (media-sharing website)
 Get release and run
 -------------------
 1. Grab the latest binary from the [releases](https://github.com/andreimarcu/linx-server/releases)
-2. Run ```./linx-server-v...```
+2. Run ```./linx-server...```
   
   
 Command-line options
 --------------------
 
-- Specify what to bind to ```-b 0.0.0.0:8080```
-- Specify the sitename ```-sitename myLinx```
-- Specify the siteurl (for generating link) ```-siteurl "http://mylinx.example.org/"```
-- Specify the filespath (where files are uploaded to) ```-filespath files/"```
-- Specify the metapath (where metadata for files are stored) ```-metapath meta/```
-- Optionally: Specify to disable request logs in stdout ```-nologs```
-
+- ```-b 127.0.0.1:8080``` -- what to bind to  (default is 127.0.0.1:8080)
+- ```-sitename myLinx``` -- the site name displayed on top (default is linx)
+- ```-siteurl "http://mylinx.example.org/"``` -- the site url (for generating links)
+- ```-filespath files/"``` -- Path to store uploads (default is files/)
+- ```-metapath meta/``` -- Path to store information about uploads (default is meta/)
+- ```-fastcgi``` -- (optionally) serve through fastcgi 
+- ```-nologs``` -- (optionally) disable request logs in stdout
+
+Deployment
+----------
+A suggetsed deployment is running nginx in front of linx-server serving through fastcgi.  
+An example configuration:
+```
+server {
+    ...
+    server_name yourlinx.example.org;
+    ...
+    
+    client_max_body_size 4096M;
+    location / {
+        fastcgi_pass 127.0.0.1:8080;
+        include fastcgi_params;
+    }
+}
+```
 
 Development
 -----------
diff --git a/fileserve.go b/fileserve.go
index 45a0e63..8097bfd 100644
--- a/fileserve.go
+++ b/fileserve.go
@@ -42,6 +42,8 @@ func staticHandler(c web.C, w http.ResponseWriter, r *http.Request) {
 			return
 		}
 
+		w.Header().Set("Etag", timeStartedStr)
+		w.Header().Set("Cache-Control", "max-age=86400")
 		http.ServeContent(w, r, filePath, timeStarted, file)
 		return
 	}
diff --git a/server.go b/server.go
index 963aa3a..00bbbb9 100644
--- a/server.go
+++ b/server.go
@@ -6,8 +6,10 @@ import (
 	"log"
 	"net"
 	"net/http"
+	"net/http/fcgi"
 	"os"
 	"regexp"
+	"strconv"
 	"time"
 
 	"github.com/GeertJohan/go.rice"
@@ -24,12 +26,14 @@ var Config struct {
 	allowHotlink bool
 	siteName     string
 	siteURL      string
+	fastcgi      bool
 }
 
 var Templates = make(map[string]*pongo2.Template)
 var TemplateSet *pongo2.TemplateSet
 var staticBox *rice.Box
 var timeStarted time.Time
+var timeStartedStr string
 
 func setup() {
 	if Config.noLogs {
@@ -70,6 +74,7 @@ func setup() {
 
 	staticBox = rice.MustFindBox("static")
 	timeStarted = time.Now()
+	timeStartedStr = strconv.FormatInt(timeStarted.Unix(), 10)
 
 	// Routing setup
 	nameRe := regexp.MustCompile(`^/(?P<name>[a-z0-9-\.]+)$`)
@@ -110,6 +115,8 @@ func main() {
 		"name of the site")
 	flag.StringVar(&Config.siteURL, "siteurl", "http://"+Config.bind+"/",
 		"site base url (including trailing slash)")
+	flag.BoolVar(&Config.fastcgi, "fastcgi", false,
+		"serve through fastcgi")
 	flag.Parse()
 
 	setup()
@@ -119,5 +126,9 @@ func main() {
 		log.Fatal("Could not bind: ", err)
 	}
 
-	goji.ServeListener(listener)
+	if Config.fastcgi {
+		fcgi.Serve(listener, goji.DefaultMux)
+	} else {
+		goji.ServeListener(listener)
+	}
 }