Remove Ptr from identifier names

This is not customary in Go.
This commit is contained in:
Saj Goonatilleke 2019-05-15 17:13:43 +10:00
parent d776ff7bcd
commit 33403daf59
1 changed files with 42 additions and 42 deletions

82
main.go
View File

@ -27,70 +27,70 @@ var nonceCache = lru.New(20)
var nonceMutex = &sync.Mutex{} var nonceMutex = &sync.Mutex{}
type Config struct { type Config struct {
ListenUriPtr *string ListenUri *string
ProxyUriPtr *string ProxyUri *string
OriginUriPtr *string OriginUri *string
SsoSecretPtr *string SsoSecret *string
SsoUriPtr *string SsoUri *string
BasicAuthPtr *string BasicAuth *string
UsernameHeaderPtr *string UsernameHeader *string
GroupsHeaderPtr *string GroupsHeader *string
TimeoutPtr *int Timeout *int
CookieSecret string CookieSecret string
AllowAllPtr *bool AllowAll *bool
WhitelistPtr *string Whitelist *string
} }
func main() { func main() {
config := new(Config) config := new(Config)
config.ListenUriPtr = flag.String("listen-url", "", "uri to listen on eg: localhost:2001. leave blank to set equal to proxy-url") config.ListenUri = flag.String("listen-url", "", "uri to listen on eg: localhost:2001. leave blank to set equal to proxy-url")
config.ProxyUriPtr = flag.String("proxy-url", "", "outer url of this host eg: http://secrets.example.com") config.ProxyUri = flag.String("proxy-url", "", "outer url of this host eg: http://secrets.example.com")
config.OriginUriPtr = flag.String("origin-url", "", "origin to proxy eg: http://localhost:2002") config.OriginUri = flag.String("origin-url", "", "origin to proxy eg: http://localhost:2002")
config.SsoSecretPtr = flag.String("sso-secret", "", "SSO secret for origin") config.SsoSecret = flag.String("sso-secret", "", "SSO secret for origin")
config.SsoUriPtr = flag.String("sso-url", "", "SSO endpoint eg: http://discourse.forum.com") config.SsoUri = flag.String("sso-url", "", "SSO endpoint eg: http://discourse.forum.com")
config.AllowAllPtr = flag.Bool("allow-all", false, "allow all discourse users (default: admin users only)") config.AllowAll = flag.Bool("allow-all", false, "allow all discourse users (default: admin users only)")
config.BasicAuthPtr = flag.String("basic-auth", "", "HTTP Basic authentication credentials to let through directly") config.BasicAuth = flag.String("basic-auth", "", "HTTP Basic authentication credentials to let through directly")
config.UsernameHeaderPtr = flag.String("username-header", "Discourse-User-Name", "Request header to pass authenticated username into") config.UsernameHeader = flag.String("username-header", "Discourse-User-Name", "Request header to pass authenticated username into")
config.GroupsHeaderPtr = flag.String("groups-header", "Discourse-User-Groups", "Request header to pass authenticated groups into") config.GroupsHeader = flag.String("groups-header", "Discourse-User-Groups", "Request header to pass authenticated groups into")
config.TimeoutPtr = flag.Int("timeout", 10, "Read/write timeout") config.Timeout = flag.Int("timeout", 10, "Read/write timeout")
config.WhitelistPtr = flag.String("whitelist", "", "Path which does not require authorization") config.Whitelist = flag.String("whitelist", "", "Path which does not require authorization")
flag.Parse() flag.Parse()
originUrl, err := url.Parse(*config.OriginUriPtr) originUrl, err := url.Parse(*config.OriginUri)
if err != nil { if err != nil {
flag.Usage() flag.Usage()
log.Fatal("invalid origin url") log.Fatal("invalid origin url")
} }
_, err = url.Parse(*config.SsoUriPtr) _, err = url.Parse(*config.SsoUri)
if err != nil { if err != nil {
flag.Usage() flag.Usage()
log.Fatal("invalid sso url, should point at Discourse site with enable sso") log.Fatal("invalid sso url, should point at Discourse site with enable sso")
} }
proxyUrl, err2 := url.Parse(*config.ProxyUriPtr) proxyUrl, err2 := url.Parse(*config.ProxyUri)
if err2 != nil { if err2 != nil {
flag.Usage() flag.Usage()
log.Fatal("invalid proxy uri") log.Fatal("invalid proxy uri")
} }
if *config.ListenUriPtr == "" { if *config.ListenUri == "" {
log.Println("Defaulting to listening on the proxy url") log.Println("Defaulting to listening on the proxy url")
*config.ListenUriPtr = proxyUrl.Host *config.ListenUri = proxyUrl.Host
} }
if *config.ProxyUriPtr == "" || *config.OriginUriPtr == "" || *config.SsoSecretPtr == "" || *config.SsoUriPtr == "" || *config.ListenUriPtr == "" { if *config.ProxyUri == "" || *config.OriginUri == "" || *config.SsoSecret == "" || *config.SsoUri == "" || *config.ListenUri == "" {
flag.Usage() flag.Usage()
os.Exit(1) os.Exit(1)
return return
} }
if *config.BasicAuthPtr != "" { if *config.BasicAuth != "" {
log.Println("Enabling basic auth support") log.Println("Enabling basic auth support")
} }
@ -103,10 +103,10 @@ func main() {
handler := authProxyHandler(proxy, config) handler := authProxyHandler(proxy, config)
server := &http.Server{ server := &http.Server{
Addr: *config.ListenUriPtr, Addr: *config.ListenUri,
Handler: handler, Handler: handler,
ReadTimeout: time.Duration(*config.TimeoutPtr) * time.Second, ReadTimeout: time.Duration(*config.Timeout) * time.Second,
WriteTimeout: time.Duration(*config.TimeoutPtr) * time.Second, WriteTimeout: time.Duration(*config.Timeout) * time.Second,
MaxHeaderBytes: 1 << 20, MaxHeaderBytes: 1 << 20,
} }
@ -126,7 +126,7 @@ func authProxyHandler(handler http.Handler, config *Config) http.Handler {
} }
func checkAuthorizationHeader(handler http.Handler, r *http.Request, w http.ResponseWriter, config *Config) bool { func checkAuthorizationHeader(handler http.Handler, r *http.Request, w http.ResponseWriter, config *Config) bool {
if *config.BasicAuthPtr == "" { if *config.BasicAuth == "" {
// Can't auth if we don't have anything to auth against // Can't auth if we don't have anything to auth against
return false return false
} }
@ -140,13 +140,13 @@ func checkAuthorizationHeader(handler http.Handler, r *http.Request, w http.Resp
log.Println("Received request with basic auth creds") log.Println("Received request with basic auth creds")
b_creds, _ := base64.StdEncoding.DecodeString(auth_header[6:]) b_creds, _ := base64.StdEncoding.DecodeString(auth_header[6:])
creds := string(b_creds) creds := string(b_creds)
if creds == *config.BasicAuthPtr { if creds == *config.BasicAuth {
colon_idx := strings.Index(creds, ":") colon_idx := strings.Index(creds, ":")
if colon_idx == -1 { if colon_idx == -1 {
return false return false
} }
username := creds[0:colon_idx] username := creds[0:colon_idx]
r.Header.Set(*config.UsernameHeaderPtr, username) r.Header.Set(*config.UsernameHeader, username)
r.Header.Del("Authorization") r.Header.Del("Authorization")
log.Printf("Accepted basic auth creds for %s\n", username) log.Printf("Accepted basic auth creds for %s\n", username)
handler.ServeHTTP(w, r) handler.ServeHTTP(w, r)
@ -160,7 +160,7 @@ func checkAuthorizationHeader(handler http.Handler, r *http.Request, w http.Resp
} }
func checkWhitelist(handler http.Handler, r *http.Request, w http.ResponseWriter, config *Config) bool { func checkWhitelist(handler http.Handler, r *http.Request, w http.ResponseWriter, config *Config) bool {
if r.URL.Path == *(config.WhitelistPtr) { if r.URL.Path == *(config.Whitelist) {
handler.ServeHTTP(w, r) handler.ServeHTTP(w, r)
return true return true
} }
@ -177,8 +177,8 @@ func redirectIfNoCookie(handler http.Handler, r *http.Request, w http.ResponseWr
} }
if err == nil { if err == nil {
r.Header.Set(*config.UsernameHeaderPtr, username) r.Header.Set(*config.UsernameHeader, username)
r.Header.Set(*config.GroupsHeaderPtr, groups) r.Header.Set(*config.GroupsHeader, groups)
handler.ServeHTTP(w, r) handler.ServeHTTP(w, r)
return return
} }
@ -188,7 +188,7 @@ func redirectIfNoCookie(handler http.Handler, r *http.Request, w http.ResponseWr
sig := query.Get("sig") sig := query.Get("sig")
if len(sso) == 0 { if len(sso) == 0 {
url := *config.SsoUriPtr + "/session/sso_provider?" + sso_payload(*config.SsoSecretPtr, *config.ProxyUriPtr, r.URL.String()) url := *config.SsoUri + "/session/sso_provider?" + sso_payload(*config.SsoSecret, *config.ProxyUri, r.URL.String())
http.Redirect(w, r, url, 302) http.Redirect(w, r, url, 302)
} else { } else {
decoded, _ := base64.StdEncoding.DecodeString(sso) decoded, _ := base64.StdEncoding.DecodeString(sso)
@ -202,8 +202,8 @@ func redirectIfNoCookie(handler http.Handler, r *http.Request, w http.ResponseWr
groupsArray := strings.Split(groups[0], ",") groupsArray := strings.Split(groups[0], ",")
if len(nonce) > 0 && len(admin) > 0 && len(username) > 0 && (admin[0] == "true" || *config.AllowAllPtr) { if len(nonce) > 0 && len(admin) > 0 && len(username) > 0 && (admin[0] == "true" || *config.AllowAll) {
returnUrl, err := getReturnUrl(*config.SsoSecretPtr, sso, sig, nonce[0]) returnUrl, err := getReturnUrl(*config.SsoSecret, sso, sig, nonce[0])
if err != nil { if err != nil {
fmt.Fprintf(w, "Invalid request") fmt.Fprintf(w, "Invalid request")