chore: add debian packaging recipe

.gitignore

@@ -0,0 +1 @@
+/bin

.travis.yml

@@ -56,7 +56,7 @@ before_deploy:
 deploy:
   - provider: releases
     api_key:
-      secure: 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
+      secure: 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
     file:
       - bin/werther_linux_386.tar.gz
       - bin/werther_linux_amd64.tar.gz

Makefile

@@ -0,0 +1,4 @@
+build:
+	misc/script/build
+
+.PHONY: build

conf/hydra-werther.conf

@@ -0,0 +1,119 @@
+#WERTHER_DEV_MODE=
+  # [description] a development mode
+  # [type]        True or False
+  # [default]     false
+  # [required]
+
+#WERTHER_LISTEN=
+  # [description] a host and port to listen on (<host>:<port>)
+  # [type]        String
+  # [default]     :8080
+  # [required]
+
+WERTHER_IDENTP_HYDRA_URL=http://localhost:4445/
+  # [description] an admin URL of ORY Hydra Server
+  # [type]        String
+  # [default]     
+  # [required]    true
+
+#WERTHER_IDENTP_SESSION_TTL=
+  # [description] a user session's TTL
+  # [type]        Duration
+  # [default]     24h
+  # [required]    
+
+#WERTHER_IDENTP_CLAIM_SCOPES=
+  # [description] a mapping of OpenID Connect claims to scopes (all claims are URL encoded)
+  # [type]        Comma-separated list of String:String pairs
+  # [default]     name:profile,family_name:profile,given_name:profile,email:email,https%3A%2F%2Fgithub.com%2Fi-core%2Fwerther%2Fclaims%2Froles:roles
+  # [required]    
+
+WERTHER_LDAP_ENDPOINTS=localhost:389
+  # [description] a LDAP's server URLs as "<address>:<port>"
+  # [type]        Comma-separated list of String
+  # [default]     
+  # [required]    true
+
+WERTHER_LDAP_BINDDN=
+  # [description] a LDAP bind DN
+  # [type]        String
+  # [default]     
+  # [required]    
+
+WERTHER_LDAP_BINDPW=
+  # [description] a LDAP bind password
+  # [type]        String
+  # [default]     
+  # [required]    
+
+WERTHER_LDAP_BASEDN=ou=users,dc=myorg,dc=com
+  # [description] a LDAP base DN for searching users
+  # [type]        String
+  # [default]     
+  # [required]    true
+
+#WERTHER_LDAP_USER_SEARCH_QUERY=
+  # [description] the user search query
+  # [type]        String
+  # [default]     (&(|(objectClass=organizationalPerson)(objectClass=inetOrgPerson))(|(uid=%[1]s)(mail=%[1]s)(userPrincipalName=%[1]s)(sAMAccountName=%[1]s)))
+  # [required]
+
+#WERTHER_LDAP_ATTR_CLAIMS=
+  # [description] a mapping of LDAP attributes to OpenID connect claims
+  # [type]        Comma-separated list of String:String pairs
+  # [default]     name:name,sn:family_name,givenName:given_name,mail:email
+  # [required]    
+
+WERTHER_LDAP_ROLE_BASEDN=ou=groups,dc=myorg,dc=com
+  # [description] a LDAP base DN for searching roles
+  # [type]        String
+  # [default]     
+  # [required]    true
+
+#WERTHER_LDAP_ROLE_SEARCH_QUERY=
+  # [description] the role search query
+  # [type]        String
+  # [default]     (|(&(|(objectClass=group)(objectClass=groupOfNames))(member=%[1]s))(&(objectClass=groupOfUniqueNames)(uniqueMember=%[1]s)))
+  # [required] 
+
+#WERTHER_LDAP_ROLE_ATTR=
+  # [description] a LDAP group's attribute that contains a role's name
+  # [type]        String
+  # [default]     description
+  # [required]    
+
+#WERTHER_LDAP_ROLE_CLAIM=
+  # [description] a name of an OpenID Connect claim that contains user roles
+  # [type]        String
+  # [default]     https://github.com/i-core/werther/claims/roles
+  # [required]    
+
+#WERTHER_LDAP_CACHE_SIZE=
+  # [description] a user info cache's size in KiB
+  # [type]        Integer
+  # [default]     512
+  # [required]    
+
+#WERTHER_LDAP_CACHE_TTL=
+  # [description] a user info cache TTL
+  # [type]        Duration
+  # [default]     30m
+  # [required]    
+
+#WERTHER_LDAP_IS_TLS=
+  # [description] should LDAP connection be established via TLS
+  # [type]        True or False
+  # [default]     false
+  # [required]    
+
+#WERTHER_WEB_DIR=
+  # [description] a path to an external web directory
+  # [type]        String
+  # [default]     
+  # [required]    
+
+#WERTHER_WEB_BASE_PATH=
+  # [description] a base path of web pages
+  # [type]        String
+  # [default]     /
+  # [required]

debian/compat

@@ -0,0 +1 @@
+9

debian/control

@@ -0,0 +1,14 @@
+Source: hydra-werther
+Section: unknown
+Priority: optional
+Maintainer: Cadoles <contact@cadoles.com>
+Build-Depends: debhelper (>= 8.0.0), wget, ca-certificates, tar
+Standards-Version: 3.9.4
+Homepage: http://forge.cadoles.com/Cadoles/hydra-werther
+Vcs-Git: http://forge.cadoles.com/Cadoles/hydra-werther.git
+Vcs-Browser: http://forge.cadoles.com/Cadoles/hydra-werther
+
+Package: hydra-werther
+Architecture: amd64
+Depends: ${shlibs:Depends}, ${misc:Depends}, ssl-cert
+Description: Hydra identity provider backed by LDAP compatible server

debian/hydra-werther.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=Run Hydra Werther login/consent/logout app
+After=network-online.target
+
+[Service]
+Type=simple
+EnvironmentFile=/etc/hydra-werther/hydra-werther.conf
+ExecStart=/usr/bin/hydra-werther
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target

debian/rules

@@ -0,0 +1,40 @@
+#!/usr/bin/make -f
+# -*- makefile -*-
+
+# Uncomment this to turn on verbose mode.
+export DH_VERBOSE=1
+
+GO_VERSION := 1.17.1
+OS := linux
+ARCH := amd64
+GOPATH=$(HOME)/go
+
+ifeq (, $(shell which go 2>/dev/null))
+override_dh_auto_build: install-go
+endif
+
+%:
+	dh $@ --with systemd
+
+install-go:
+	wget https://dl.google.com/go/go$(GO_VERSION).$(OS)-$(ARCH).tar.gz
+	tar -C /usr/local -xzf go$(GO_VERSION).$(OS)-$(ARCH).tar.gz
+
+override_dh_auto_build: $(GOPATH)
+	GOPATH=$(GOPATH) PATH="$(PATH):/usr/local/go/bin:$(GOPATH)/bin" DISTS=$(OS)/$(ARCH) make
+
+$(GOPATH):
+	mkdir -p $(GOPATH)
+
+override_dh_auto_install:
+	mkdir -p debian/hydra-werther/usr/bin
+	mkdir -p debian/hydra-werther/etc/hydra-werther
+
+	cp bin/werther_$(OS)_$(ARCH) debian/hydra-werther/usr/bin/hydra-werther
+	cp conf/hydra-werther.conf debian/hydra-werther/etc/hydra-werther
+
+	install -d debian/hydra-werther
+
+override_dh_strip:
+
+override_dh_auto_test:

debian/source/format

@@ -0,0 +1 @@
+3.0 (native)

internal/hydra/consent.go

@@ -14,17 +14,18 @@ import (
 // ConsentReqDoer fetches information on the OAuth2 request and then accept or reject the requested authentication process.
 type ConsentReqDoer struct {
 	hydraURL           string
+	fakeTLSTermination bool
 	rememberFor        int
 }
 
 // NewConsentReqDoer creates a ConsentRequest.
-func NewConsentReqDoer(hydraURL string, rememberFor int) *ConsentReqDoer {
-	return &ConsentReqDoer{hydraURL: hydraURL, rememberFor: rememberFor}
+func NewConsentReqDoer(hydraURL string, fakeTLSTermination bool, rememberFor int) *ConsentReqDoer {
+	return &ConsentReqDoer{hydraURL: hydraURL, fakeTLSTermination: fakeTLSTermination, rememberFor: rememberFor}
 }
 
 // InitiateRequest fetches information on the OAuth2 request.
 func (crd *ConsentReqDoer) InitiateRequest(challenge string) (*ReqInfo, error) {
-	ri, err := initiateRequest(consent, crd.hydraURL, challenge)
+	ri, err := initiateRequest(consent, crd.hydraURL, crd.fakeTLSTermination, challenge)
 	return ri, errors.Wrap(err, "failed to initiate consent request")
 }
 
@@ -46,6 +47,6 @@ func (crd *ConsentReqDoer) AcceptConsentRequest(challenge string, remember bool,
 			IDToken: idToken,
 		},
 	}
-	redirectURI, err := acceptRequest(consent, crd.hydraURL, challenge, data)
+	redirectURI, err := acceptRequest(consent, crd.hydraURL, crd.fakeTLSTermination, challenge, data)
 	return redirectURI, errors.Wrap(err, "failed to accept consent request")
 }

internal/hydra/consent_test.go

@@ -55,7 +55,7 @@ func TestInitiateConsentRequest(t *testing.T) {
 			h := &testInitiateConsentHandler{reqInfo: tc.reqInfo, status: tc.status}
 			srv := httptest.NewServer(h)
 			defer srv.Close()
-			ldr := hydra.NewConsentReqDoer(srv.URL, tc.rememberFor)
+			ldr := hydra.NewConsentReqDoer(srv.URL, false, tc.rememberFor)
 
 			reqInfo, err := ldr.InitiateRequest(tc.challenge)
 
@@ -149,7 +149,7 @@ func TestAcceptConsentRequest(t *testing.T) {
 			h := &testAcceptConsentHandler{challenge: tc.challenge, status: tc.status, redirect: tc.redirect}
 			srv := httptest.NewServer(h)
 			defer srv.Close()
-			ldr := hydra.NewConsentReqDoer(srv.URL, tc.rememberFor)
+			ldr := hydra.NewConsentReqDoer(srv.URL, false, tc.rememberFor)
 
 			var grantScope []string
 			for _, v := range tc.grantScope {

internal/hydra/hydra.go

@@ -44,7 +44,7 @@ type ReqInfo struct {
 	Subject         string   `json:"subject"`
 }
 
-func initiateRequest(typ reqType, hydraURL, challenge string) (*ReqInfo, error) {
+func initiateRequest(typ reqType, hydraURL string, fakeTLSTermination bool, challenge string) (*ReqInfo, error) {
 	if challenge == "" {
 		return nil, ErrChallengeMissed
 	}
@@ -58,7 +58,16 @@ func initiateRequest(typ reqType, hydraURL, challenge string) (*ReqInfo, error)
 	}
 	u = u.ResolveReference(ref)
 
-	resp, err := http.Get(u.String())
+	req, err := http.NewRequest("GET", u.String(), nil)
+	if err != nil {
+		return nil, err
+	}
+	if fakeTLSTermination {
+		req.Header.Add("X-Forwarded-Proto", "https")
+	}
+
+	client := &http.Client{}
+	resp, err := client.Do(req)
 	if err != nil {
 		return nil, err
 	}
@@ -76,7 +85,7 @@ func initiateRequest(typ reqType, hydraURL, challenge string) (*ReqInfo, error)
 	return &ri, nil
 }
 
-func acceptRequest(typ reqType, hydraURL, challenge string, data interface{}) (string, error) {
+func acceptRequest(typ reqType, hydraURL string, fakeTLSTermination bool, challenge string, data interface{}) (string, error) {
 	if challenge == "" {
 		return "", ErrChallengeMissed
 	}
@@ -101,6 +110,10 @@ func acceptRequest(typ reqType, hydraURL, challenge string, data interface{}) (s
 	if err != nil {
 		return "", err
 	}
+	if fakeTLSTermination {
+		r.Header.Add("X-Forwarded-Proto", "https")
+	}
+
 	r.Header.Set("Content-Type", "application/json")
 	resp, err := http.DefaultClient.Do(r)
 	if err != nil {

internal/hydra/login.go

@@ -14,17 +14,18 @@ import (
 // LoginReqDoer fetches information on the OAuth2 request and then accept or reject the requested authentication process.
 type LoginReqDoer struct {
 	hydraURL           string
+	fakeTLSTermination bool
 	rememberFor        int
 }
 
 // NewLoginReqDoer creates a LoginRequest.
-func NewLoginReqDoer(hydraURL string, rememberFor int) *LoginReqDoer {
-	return &LoginReqDoer{hydraURL: hydraURL, rememberFor: rememberFor}
+func NewLoginReqDoer(hydraURL string, fakeTLSTermination bool, rememberFor int) *LoginReqDoer {
+	return &LoginReqDoer{hydraURL: hydraURL, fakeTLSTermination: fakeTLSTermination, rememberFor: rememberFor}
 }
 
 // InitiateRequest fetches information on the OAuth2 request.
 func (lrd *LoginReqDoer) InitiateRequest(challenge string) (*ReqInfo, error) {
-	ri, err := initiateRequest(login, lrd.hydraURL, challenge)
+	ri, err := initiateRequest(login, lrd.hydraURL, lrd.fakeTLSTermination, challenge)
 	return ri, errors.Wrap(err, "failed to initiate login request")
 }
 
@@ -39,6 +40,6 @@ func (lrd *LoginReqDoer) AcceptLoginRequest(challenge string, remember bool, sub
 		RememberFor: lrd.rememberFor,
 		Subject:     subject,
 	}
-	redirectURI, err := acceptRequest(login, lrd.hydraURL, challenge, data)
+	redirectURI, err := acceptRequest(login, lrd.hydraURL, lrd.fakeTLSTermination, challenge, data)
 	return redirectURI, errors.Wrap(err, "failed to accept login request")
 }

internal/hydra/login_test.go

@@ -60,7 +60,7 @@ func TestInitiateLoginRequest(t *testing.T) {
 			h := &testInitiateLoginHandler{reqInfo: tc.reqInfo, status: tc.status}
 			srv := httptest.NewServer(h)
 			defer srv.Close()
-			ldr := hydra.NewLoginReqDoer(srv.URL, 0)
+			ldr := hydra.NewLoginReqDoer(srv.URL, false, 0)
 
 			reqInfo, err := ldr.InitiateRequest(tc.challenge)
 
@@ -160,7 +160,7 @@ func TestAcceptLoginRequest(t *testing.T) {
 			h := &testAcceptLoginHandler{challenge: tc.challenge, status: tc.status, redirect: tc.redirect}
 			srv := httptest.NewServer(h)
 			defer srv.Close()
-			ldr := hydra.NewLoginReqDoer(srv.URL, tc.rememberFor)
+			ldr := hydra.NewLoginReqDoer(srv.URL, false, tc.rememberFor)
 
 			redirect, err := ldr.AcceptLoginRequest(tc.challenge, tc.remember, tc.subject)
 

internal/hydra/logout.go

@@ -14,21 +14,22 @@ import (
 // LogoutReqDoer fetches information on the OAuth2 request and then accepts or rejects the requested logout process.
 type LogoutReqDoer struct {
 	hydraURL           string
+	fakeTLSTermination bool
 }
 
 // NewLogoutReqDoer creates a LogoutRequest.
-func NewLogoutReqDoer(hydraURL string) *LogoutReqDoer {
-	return &LogoutReqDoer{hydraURL: hydraURL}
+func NewLogoutReqDoer(hydraURL string, fakeTLSTermination bool) *LogoutReqDoer {
+	return &LogoutReqDoer{hydraURL: hydraURL, fakeTLSTermination: fakeTLSTermination}
 }
 
 // InitiateRequest fetches information on the OAuth2 request.
 func (lrd *LogoutReqDoer) InitiateRequest(challenge string) (*ReqInfo, error) {
-	ri, err := initiateRequest(logout, lrd.hydraURL, challenge)
+	ri, err := initiateRequest(logout, lrd.hydraURL, lrd.fakeTLSTermination, challenge)
 	return ri, errors.Wrap(err, "failed to initiate logout request")
 }
 
 // AcceptLogoutRequest accepts the requested logout process, and returns redirect URI.
 func (lrd *LogoutReqDoer) AcceptLogoutRequest(challenge string) (string, error) {
-	redirectURI, err := acceptRequest(logout, lrd.hydraURL, challenge, nil)
+	redirectURI, err := acceptRequest(logout, lrd.hydraURL, lrd.fakeTLSTermination, challenge, nil)
 	return redirectURI, errors.Wrap(err, "failed to accept logout request")
 }

internal/hydra/logout_test.go

@@ -44,7 +44,7 @@ func TestInitiateLogoutRequest(t *testing.T) {
 			h := &testInitiateLogoutHandler{reqInfo: tc.reqInfo, status: tc.status}
 			srv := httptest.NewServer(h)
 			defer srv.Close()
-			ldr := hydra.NewLogoutReqDoer(srv.URL)
+			ldr := hydra.NewLogoutReqDoer(srv.URL, false)
 
 			reqInfo, err := ldr.InitiateRequest(tc.challenge)
 
@@ -126,7 +126,7 @@ func TestAcceptLogoutRequest(t *testing.T) {
 			h := &testAcceptLogoutHandler{challenge: tc.challenge, status: tc.status, redirect: tc.redirect}
 			srv := httptest.NewServer(h)
 			defer srv.Close()
-			ldr := hydra.NewLogoutReqDoer(srv.URL)
+			ldr := hydra.NewLogoutReqDoer(srv.URL, false)
 
 			redirect, err := ldr.AcceptLogoutRequest(tc.challenge)
 

internal/identp/identp.go

@@ -30,6 +30,7 @@ type Config struct {
 	HydraURL           string            `envconfig:"hydra_url" required:"true" desc:"an admin URL of ORY Hydra Server"`
 	SessionTTL         time.Duration     `envconfig:"session_ttl" default:"24h" desc:"a user session's TTL"`
 	ClaimScopes        map[string]string `envconfig:"claim_scopes" default:"name:profile,family_name:profile,given_name:profile,email:email,https%3A%2F%2Fgithub.com%2Fi-core%2Fwerther%2Fclaims%2Froles:roles" desc:"a mapping of OpenID Connect claims to scopes (all claims are URL encoded)"`
+	FakeTLSTermination bool              `envconfig:"fake_tls_termination" default:"false" desc:"Fake tls termination by adding \"X-Forwarded-Proto: https\" to http headers "`
 }
 
 // UserManager is an interface that is used for authentication and providing user's claims.
@@ -83,10 +84,10 @@ func NewHandler(cnf Config, um UserManager, tr TemplateRenderer) *Handler {
 // AddRoutes registers all required routes for Login & Consent Provider.
 func (h *Handler) AddRoutes(apply func(m, p string, h http.Handler, mws ...func(http.Handler) http.Handler)) {
 	sessionTTL := int(h.SessionTTL.Seconds())
-	apply(http.MethodGet, "/login", newLoginStartHandler(hydra.NewLoginReqDoer(h.HydraURL, 0), h.tr))
-	apply(http.MethodPost, "/login", newLoginEndHandler(hydra.NewLoginReqDoer(h.HydraURL, sessionTTL), h.um, h.tr))
-	apply(http.MethodGet, "/consent", newConsentHandler(hydra.NewConsentReqDoer(h.HydraURL, sessionTTL), h.um, h.ClaimScopes))
-	apply(http.MethodGet, "/logout", newLogoutHandler(hydra.NewLogoutReqDoer(h.HydraURL)))
+	apply(http.MethodGet, "/login", newLoginStartHandler(hydra.NewLoginReqDoer(h.HydraURL, h.FakeTLSTermination, 0), h.tr))
+	apply(http.MethodPost, "/login", newLoginEndHandler(hydra.NewLoginReqDoer(h.HydraURL, h.FakeTLSTermination, sessionTTL), h.um, h.tr))
+	apply(http.MethodGet, "/consent", newConsentHandler(hydra.NewConsentReqDoer(h.HydraURL, h.FakeTLSTermination, sessionTTL), h.um, h.ClaimScopes))
+	apply(http.MethodGet, "/logout", newLogoutHandler(hydra.NewLogoutReqDoer(h.HydraURL, h.FakeTLSTermination)))
 }
 
 // oa2LoginReqAcceptor is an interface that is used for accepting an OAuth2 login request.

internal/ldapclient/ldapclient.go

@@ -52,8 +52,10 @@ type Config struct {
 	BindDN          string            `envconfig:"binddn" desc:"a LDAP bind DN"`
 	BindPass        string            `envconfig:"bindpw" json:"-" desc:"a LDAP bind password"`
 	BaseDN          string            `envconfig:"basedn" required:"true" desc:"a LDAP base DN for searching users"`
+	UserSearchQuery string            `envconfig:"user_search_query" desc:"the user search query" default:"(&(|(objectClass=organizationalPerson)(objectClass=inetOrgPerson))(|(uid=%[1]s)(mail=%[1]s)(userPrincipalName=%[1]s)(sAMAccountName=%[1]s)))"`
 	AttrClaims      map[string]string `envconfig:"attr_claims" default:"name:name,sn:family_name,givenName:given_name,mail:email" desc:"a mapping of LDAP attributes to OpenID connect claims"`
 	RoleBaseDN      string            `envconfig:"role_basedn" required:"true" desc:"a LDAP base DN for searching roles"`
+	RoleSearchQuery string            `envconfig:"role_search_query" desc:"the role search query" default:"(|(&(|(objectClass=group)(objectClass=groupOfNames))(member=%[1]s))(&(objectClass=groupOfUniqueNames)(uniqueMember=%[1]s)))"`
 	RoleAttr        string            `envconfig:"role_attr" default:"description" desc:"a LDAP group's attribute that contains a role's name"`
 	RoleClaim       string            `envconfig:"role_claim" default:"https://github.com/i-core/werther/claims/roles" desc:"a name of an OpenID Connect claim that contains user roles"`
 	CacheSize       int               `envconfig:"cache_size" default:"512" desc:"a user info cache's size in KiB"`
@@ -72,7 +74,13 @@ type Client struct {
 func New(cnf Config) *Client {
 	return &Client{
 		Config: cnf,
-		connector: &ldapConnector{BaseDN: cnf.BaseDN, RoleBaseDN: cnf.RoleBaseDN, IsTLS: cnf.IsTLS},
+		connector: &ldapConnector{
+			BaseDN:          cnf.BaseDN,
+			UserSearchQuery: cnf.UserSearchQuery,
+			RoleBaseDN:      cnf.RoleBaseDN,
+			IsTLS:           cnf.IsTLS,
+			RoleSearchQuery: cnf.RoleSearchQuery,
+		},
 		cache: freecache.NewCache(cnf.CacheSize * 1024),
 	}
 }
@@ -299,6 +307,8 @@ type ldapConnector struct {
 	BaseDN          string
 	RoleBaseDN      string
 	IsTLS           bool
+	UserSearchQuery string
+	RoleSearchQuery string
 }
 
 func (c *ldapConnector) Connect(ctx context.Context, addr string) (conn, error) {
@@ -319,13 +329,21 @@ func (c *ldapConnector) Connect(ctx context.Context, addr string) (conn, error)
 	ldapcn := ldap.NewConn(tcpcn, c.IsTLS)
 
 	ldapcn.Start()
-	return &ldapConn{Conn: ldapcn, BaseDN: c.BaseDN, RoleBaseDN: c.RoleBaseDN}, nil
+	return &ldapConn{
+		Conn:            ldapcn,
+		BaseDN:          c.BaseDN,
+		UserSearchQuery: c.UserSearchQuery,
+		RoleBaseDN:      c.RoleBaseDN,
+		RoleSearchQuery: c.RoleSearchQuery,
+	}, nil
 }
 
 type ldapConn struct {
 	*ldap.Conn
 	BaseDN          string
 	RoleBaseDN      string
+	UserSearchQuery string
+	RoleSearchQuery string
 }
 
 func (c *ldapConn) Bind(bindDN, password string) error {
@@ -337,17 +355,12 @@ func (c *ldapConn) Bind(bindDN, password string) error {
 }
 
 func (c *ldapConn) SearchUser(user string, attrs ...string) ([]map[string]interface{}, error) {
-	query := fmt.Sprintf(
-		"(&(|(objectClass=organizationalPerson)(objectClass=inetOrgPerson))"+
-			"(|(uid=%[1]s)(mail=%[1]s)(userPrincipalName=%[1]s)(sAMAccountName=%[1]s)))", user)
+	query := fmt.Sprintf(c.UserSearchQuery, user)
 	return c.searchEntries(c.BaseDN, query, attrs)
 }
 
 func (c *ldapConn) SearchUserRoles(user string, attrs ...string) ([]map[string]interface{}, error) {
-	query := fmt.Sprintf("(|"+
-		"(&(|(objectClass=group)(objectClass=groupOfNames))(member=%[1]s))"+
-		"(&(objectClass=groupOfUniqueNames)(uniqueMember=%[1]s))"+
-		")", user)
+	query := fmt.Sprintf(c.RoleSearchQuery, user)
 	return c.searchEntries(c.RoleBaseDN, query, attrs)
 }
 

misc/script/build

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+set -e
+
+DISTS=${DISTS:-linux/386 linux/amd64 windows/amd64 darwin/amd64}
+
+for dist in $DISTS
+do
+    os=`echo $dist | cut -d'/' -f1`
+    arch=`echo $dist | cut -d'/' -f2`
+    
+    env GOOS=$os GOARCH=$arch go build -o bin/werther_${os}_${arch} -ldflags "-w -s -X main.version=$(git describe --tags)" ./cmd/werther
+    
+    if [[ "$os" = "windows" ]]; then
+        zip -r bin/werther_${os}_${arch}.zip bin/werther_${os}_${arch}
+    else
+        tar cvzf bin/werther_${os}_${arch}.tar.gz bin/werther_${os}_${arch}
+    fi
+done
+
+(cd bin && sha256sum *.{tar.gz,zip} > werther_checksums.txt)