/
main.go
179 lines (161 loc) · 4.12 KB
/
main.go
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package main
import (
"fmt"
"log"
"net/http"
"os"
"path/filepath"
"time"
)
import (
"github.com/timtadh/getopt"
)
import (
"github.com/timtadh/cc-survey/views"
)
var ErrorCodes map[string]int = map[string]int{
"usage": 0,
"version": 2,
"opts": 3,
"badint": 5,
"baddir": 6,
"badfile": 7,
}
var UsageMessage string = "cc-survey --help"
var ExtendedMessage string = `
cc-survey
Options
-h, --help view this message
-l, --listen=<addr>:<port> what to listen on
default: 0.0.0.0:80
-a, --assets=<path> path to asset dir
-c, --clones=<path> path to clones dir
-s, --src=<path> path to the source
--private-ssl-key=<path>
--ssl-cert=<path>
`
func Usage(code int) {
fmt.Fprintln(os.Stderr, UsageMessage)
if code == 0 {
fmt.Fprintln(os.Stdout, ExtendedMessage)
code = ErrorCodes["usage"]
}
os.Exit(code)
}
func main() {
_, optargs, err := getopt.GetOpt(
os.Args[1:],
"hl:a:c:s:",
[]string{ "help", "listen=", "assets", "clones=", "src=",
"private-ssl-key=", "ssl-cert=" },
)
if err != nil {
fmt.Fprintln(os.Stderr, "error parsing command line flags", err)
Usage(ErrorCodes["opts"])
}
listen := "0.0.0.0:80"
assets := ""
clones := ""
source := ""
ssl_key := ""
ssl_cert := ""
for _, oa := range optargs {
switch oa.Opt() {
case "-h", "--help":
Usage(0)
os.Exit(0)
case "-l", "--listen":
listen = oa.Arg()
case "-a", "--assets":
assets, err = filepath.Abs(oa.Arg())
if err != nil {
fmt.Fprintf(os.Stderr, "assets path was bad: %v", err)
Usage(ErrorCodes["opts"])
}
case "-c", "--clones":
clones, err = filepath.Abs(oa.Arg())
if err != nil {
fmt.Fprintf(os.Stderr, "clones path was bad: %v", err)
Usage(ErrorCodes["opts"])
}
case "-s", "--src":
source, err = filepath.Abs(oa.Arg())
if err != nil {
fmt.Fprintf(os.Stderr, "source path was bad: %v", err)
Usage(ErrorCodes["opts"])
}
case "--private-ssl-key":
ssl_key, err = filepath.Abs(oa.Arg())
if err != nil {
fmt.Fprintf(os.Stderr, "private-ssl-key path was bad: %v", err)
Usage(ErrorCodes["opts"])
}
_, err = os.Stat(ssl_key)
if os.IsNotExist(err) {
fmt.Fprintf(os.Stderr, "private-ssl-key path does not exist. %v", ssl_key)
Usage(ErrorCodes["opts"])
} else if err != nil {
fmt.Fprintf(os.Stderr, "private-ssl-key path was bad: %v", err)
Usage(ErrorCodes["opts"])
}
case "--ssl-cert":
log.Println("ssl-cert", oa.Arg())
ssl_cert, err = filepath.Abs(oa.Arg())
if err != nil {
fmt.Fprintf(os.Stderr, "ssl-cert path was bad: %v", err)
Usage(ErrorCodes["opts"])
}
_, err = os.Stat(ssl_cert)
if os.IsNotExist(err) {
fmt.Fprintf(os.Stderr, "ssl-cert path does not exist. %v", ssl_cert)
Usage(ErrorCodes["opts"])
} else if err != nil {
fmt.Fprintf(os.Stderr, "ssl-cert path was bad: %v", err)
Usage(ErrorCodes["opts"])
}
default:
fmt.Fprintf(os.Stderr, "Unknown flag '%v'\n", oa.Opt())
Usage(ErrorCodes["opts"])
}
}
if assets == "" {
fmt.Fprintln(os.Stderr, "You must supply a path to the assets")
Usage(ErrorCodes["opts"])
}
if clones == "" {
fmt.Fprintln(os.Stderr, "You must supply a path to the clones")
Usage(ErrorCodes["opts"])
}
if source == "" {
fmt.Fprintln(os.Stderr, "You must supply a path to the source")
Usage(ErrorCodes["opts"])
}
if (ssl_key == "" && ssl_cert != "") || (ssl_key != "" && ssl_cert == "") {
fmt.Fprintln(os.Stderr, "To use ssl you must supply key and cert")
Usage(ErrorCodes["opts"])
}
handler := views.Routes(assets, clones, source)
server := &http.Server{
Addr: listen,
Handler: handler,
ReadTimeout: 1 * time.Second,
WriteTimeout: 1 * time.Second,
MaxHeaderBytes: http.DefaultMaxHeaderBytes,
TLSConfig: nil,
TLSNextProto: nil,
ConnState: nil,
ErrorLog: nil,
}
if ssl_key == "" {
err = server.ListenAndServe()
if err != nil {
log.Fatal(err)
}
} else {
log.Println(ssl_cert, ssl_key)
err = server.ListenAndServeTLS(ssl_cert, ssl_key)
if err != nil {
log.Panic(err)
}
}
}