From 007b2a375f66f636f5a9712333372c4b3e008b96 Mon Sep 17 00:00:00 2001 From: Paul Date: Sat, 14 Dec 2019 07:28:33 +0100 Subject: [PATCH] Switch to go modules --- go.mod | 33 +++++++++++ go.sum | 107 +++++++++++++++++++++++++++++++++ internal/ldap/ldap.go | 108 ++++++++++++++++++++++++++++++++++ internal/web/handlers.go | 2 +- internal/web/handlers_auth.go | 14 ++++- internal/web/middleware.go | 2 +- 6 files changed, 261 insertions(+), 5 deletions(-) create mode 100644 go.mod create mode 100644 go.sum create mode 100644 internal/ldap/ldap.go diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..b649a0e --- /dev/null +++ b/go.mod @@ -0,0 +1,33 @@ +module bitmask.me/skeleton + +go 1.13 + +require ( + github.com/Microsoft/go-winio v0.4.14 // indirect + github.com/ailox/migrate-vfs v0.0.0-20191213232126-c278b57dd3ac + github.com/alexedwards/scs v1.4.1 + github.com/alexedwards/scs/v2 v2.3.0 + github.com/caarlos0/env v3.5.0+incompatible + github.com/docker/distribution v2.7.1+incompatible // indirect + github.com/docker/docker v1.13.1 // indirect + github.com/docker/go-connections v0.4.0 // indirect + github.com/docker/go-units v0.4.0 // indirect + github.com/go-chi/chi v4.0.2+incompatible + github.com/go-ini/ini v1.51.0 // indirect + github.com/go-ldap/ldap/v3 v3.1.4 + github.com/golang-migrate/migrate v3.5.4+incompatible + github.com/gorilla/csrf v1.6.2 + github.com/jawher/mow.cli v1.1.0 + github.com/jmoiron/sqlx v1.2.0 + github.com/lib/pq v1.2.0 + github.com/minio/minio-go v6.0.14+incompatible + github.com/mitchellh/go-homedir v1.1.0 // indirect + github.com/opencontainers/go-digest v1.0.0-rc1 // indirect + github.com/pkg/errors v0.8.1 + github.com/shurcooL/httpfs v0.0.0-20190707220628-8d4bc4ba7749 + github.com/smartystreets/goconvey v1.6.4 // indirect + golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413 + golang.org/x/tools v0.0.0-20191213221258-04c2e8eff935 // indirect + google.golang.org/appengine v1.6.5 // indirect + gopkg.in/ini.v1 v1.51.0 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..c674f5a --- /dev/null +++ b/go.sum @@ -0,0 +1,107 @@ +github.com/Microsoft/go-winio v0.4.14 h1:+hMXMk01us9KgxGb7ftKQt2Xpf5hH/yky+TDA+qxleU= +github.com/Microsoft/go-winio v0.4.14/go.mod h1:qXqCSQ3Xa7+6tgxaGTIe4Kpcdsi+P8jBhyzoq1bpyYA= +github.com/ailox/migrate-vfs v0.0.0-20191213232126-c278b57dd3ac h1:h6gP3Z2JAb1WP0rD1T0XFS9QSWOga1aQvjmK+jUQyV4= +github.com/ailox/migrate-vfs v0.0.0-20191213232126-c278b57dd3ac/go.mod h1:vkTvG64i2RWqqU+i/WY2qyvZnIejUHEF3YdIVVH3lyc= +github.com/alexedwards/scs v1.4.1 h1:/5L5a07IlqApODcEfZyMsu8Smd1S7Q4nBjEyKxIRTp0= +github.com/alexedwards/scs v1.4.1/go.mod h1:JRIFiXthhMSivuGbxpzUa0/hT5rz2hpyw61Bmd+S1bg= +github.com/alexedwards/scs/v2 v2.3.0 h1:V8rtn2P5QGh8C9S7T/ikBo/AdA27vDoQJPbiAaOCmFg= +github.com/alexedwards/scs/v2 v2.3.0/go.mod h1:ToaROZxyKukJKT/xLcVQAChi5k6+Pn1Gvmdl7h3RRj8= +github.com/caarlos0/env v3.5.0+incompatible h1:Yy0UN8o9Wtr/jGHZDpCBLpNrzcFLLM2yixi/rBrKyJs= +github.com/caarlos0/env v3.5.0+incompatible/go.mod h1:tdCsowwCzMLdkqRYDlHpZCp2UooDD3MspDBjZ2AD02Y= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/docker/distribution v2.7.1+incompatible h1:a5mlkVzth6W5A4fOsS3D2EO5BUmsJpcB+cRlLU7cSug= +github.com/docker/distribution v2.7.1+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w= +github.com/docker/docker v1.13.1 h1:IkZjBSIc8hBjLpqeAbeE5mca5mNgeatLHBy3GO78BWo= +github.com/docker/docker v1.13.1/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk= +github.com/docker/go-connections v0.4.0 h1:El9xVISelRB7BuFusrZozjnkIM5YnzCViNKohAFqRJQ= +github.com/docker/go-connections v0.4.0/go.mod h1:Gbd7IOopHjR8Iph03tsViu4nIes5XhDvyHbTtUxmeec= +github.com/docker/go-units v0.4.0 h1:3uh0PgVws3nIA0Q+MwDC8yjEPf9zjRfZZWXZYDct3Tw= +github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk= +github.com/go-asn1-ber/asn1-ber v1.3.1 h1:gvPdv/Hr++TRFCl0UbPFHC54P9N9jgsRPnmnr419Uck= +github.com/go-asn1-ber/asn1-ber v1.3.1/go.mod h1:hEBeB/ic+5LoWskz+yKT7vGhhPYkProFKoKdwZRWMe0= +github.com/go-chi/chi v4.0.2+incompatible h1:maB6vn6FqCxrpz4FqWdh4+lwpyZIQS7YEAUcHlgXVRs= +github.com/go-chi/chi v4.0.2+incompatible/go.mod h1:eB3wogJHnLi3x/kFX2A+IbTBlXxmMeXJVKy9tTv1XzQ= +github.com/go-ini/ini v1.51.0 h1:VPJKXGzbKlyExUE8f41aV57yxkYx5R49yR6n7flp0M0= +github.com/go-ini/ini v1.51.0/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8= +github.com/go-ldap/ldap/v3 v3.1.4 h1:46k6fKcY9BYuUimhS/5a/3M4tAEPXFbFw1T6K0/41MQ= +github.com/go-ldap/ldap/v3 v3.1.4/go.mod h1:5Zun81jBTabRaI8lzN7E1JjyEl1g6zI6u9pd8luAK4Q= +github.com/go-sql-driver/mysql v1.4.0 h1:7LxgVwFb2hIQtMm87NdgAVfXjnt4OePseqT1tKx+opk= +github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w= +github.com/golang-migrate/migrate v3.5.4+incompatible h1:R7OzwvCJTCgwapPCiX6DyBiu2czIUMDCB118gFTKTUA= +github.com/golang-migrate/migrate v3.5.4+incompatible/go.mod h1:IsVUlFN5puWOmXrqjgGUfIRIbU7mr8oNBE2tyERd9Wk= +github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8= +github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY= +github.com/gorilla/csrf v1.6.2 h1:QqQ/OWwuFp4jMKgBFAzJVW3FMULdyUW7JoM4pEWuqKg= +github.com/gorilla/csrf v1.6.2/go.mod h1:7tSf8kmjNYr7IWDCYhd3U8Ck34iQ/Yw5CJu7bAkHEGI= +github.com/gorilla/securecookie v1.1.1 h1:miw7JPhV+b/lAHSXz4qd/nN9jRiAFV5FwjeKyCS8BvQ= +github.com/gorilla/securecookie v1.1.1/go.mod h1:ra0sb63/xPlUeL+yeDciTfxMRAA+MP+HVt/4epWDjd4= +github.com/jawher/mow.cli v1.1.0 h1:NdtHXRc0CwZQ507wMvQ/IS+Q3W3x2fycn973/b8Zuk8= +github.com/jawher/mow.cli v1.1.0/go.mod h1:aNaQlc7ozF3vw6IJ2dHjp2ZFiA4ozMIYY6PyuRJwlUg= +github.com/jmoiron/sqlx v1.2.0 h1:41Ip0zITnmWNR/vHV+S4m+VoUivnWY5E4OJfLZjCJMA= +github.com/jmoiron/sqlx v1.2.0/go.mod h1:1FEQNm3xlJgrMD+FBdI9+xvCksHtbpVBBw5dYhBSsks= +github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo= +github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU= +github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ= +github.com/lib/pq v1.0.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo= +github.com/lib/pq v1.2.0 h1:LXpIM/LZ5xGFhOpXAQUIMM1HdyqzVYM13zNdjCEEcA0= +github.com/lib/pq v1.2.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo= +github.com/mattn/go-sqlite3 v1.9.0 h1:pDRiWfl+++eC2FEFRy6jXmQlvp4Yh3z1MJKg4UeYM/4= +github.com/mattn/go-sqlite3 v1.9.0/go.mod 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v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= +github.com/shurcooL/httpfs v0.0.0-20190707220628-8d4bc4ba7749 h1:bUGsEnyNbVPw06Bs80sCeARAlK8lhwqGyi6UT8ymuGk= +github.com/shurcooL/httpfs v0.0.0-20190707220628-8d4bc4ba7749/go.mod h1:ZY1cvUeJuFPAdZ/B6v7RHavJWZn2YPVFQ1OSXhCGOkg= +github.com/sirupsen/logrus v1.4.1/go.mod h1:ni0Sbl8bgC9z8RoU9G6nDWqqs/fq4eDPysMBDgk/93Q= +github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM= +github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc= +github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s= +github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA= +github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= 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v0.0.0-20191213221258-04c2e8eff935/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= +golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +google.golang.org/appengine v1.6.5 h1:tycE03LOZYQNhDpS27tcQdAzLCVMaj7QT2SXxebnpCM= +google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc= +gopkg.in/ini.v1 v1.51.0 h1:AQvPpx3LzTDM0AjnIRlVFwFFGC+npRopjZxLJj6gdno= +gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k= diff --git a/internal/ldap/ldap.go b/internal/ldap/ldap.go new file mode 100644 index 0000000..8b9f23b --- /dev/null +++ b/internal/ldap/ldap.go @@ -0,0 +1,108 @@ +package ldap + +import ( + "fmt" + "regexp" + + ldap "github.com/go-ldap/ldap/v3" + "github.com/pkg/errors" +) + +var ( + // TimeLimitSeconds is the maximal time that LDAP will spend on a single + // request. + TimeLimitSeconds = 5 + // SizeLimitEntries is the biggest number of results that is returned from a + // search request. + SizeLimitEntries = 100 + // UserAttributes is the list of LDAP-Attributes that will be used for user + // accounts. + UserAttributes = []string{ + "dn", // distinguished name, the unique "path" to a LDAP entry. + "cn", // common name, human readable e.g. "Max Powers". + "uid", // user identified, same as the username/login name. + "uidNumber", // unique user ID, integer. + "createTimestamp", // LDAP timestamp of when this entry was created. + "modifyTimestamp", // LDAP timestemp of when this entry was last modified. + } +) + +type Server struct { + Host string + Port int + + bindDN string + bindPW string + + userBaseDN string +} + +func (s *Server) newConn() (*ldap.Conn, error) { + lc, err := ldap.Dial("tcp", fmt.Sprintf("%s:%d", s.Host, s.Port)) + if err != nil { + return nil, errors.Wrap(err, "Failed to dial LDAP") + } + + err = lc.Bind(s.bindDN, s.bindPW) + if err != nil { + return nil, errors.Wrap(err, "Failed to bind service account to LDAP") + } + + return lc, nil +} + +// buildFilterForID builds an LDAP filter that searches for a user with a +// specific uidNumber. +func (s *Server) buildFilterForUserID(id int) string { + return fmt.Sprintf("(&(objectClass=inetOrgPerson)(uidNumber=%d))", id) +} + +func (s *Server) buildFilterForEmail(email string) string { + reg := regexp.MustCompile("[^a-zA-Z0-9-+._@]+") + email = reg.ReplaceAllString(email, "") + return fmt.Sprintf("(&(objectClass=)())") + +// Conn is an LDAP connection. +type Conn struct { + *ldap.Conn +} + +type User struct { + Entry *ldap.Entry +} + +// GetDisplayName implements User interface by returning the display name. +func (u User) GetDisplayName() string { + display := u.Entry.GetAttributeValue("displayName") + + if display == "" { + display = u.Entry.GetAttributeValue("givenName") + } + + if display == "" { + display = u.Entry.GetAttributeValue("cn") + } + + if display == "" { + display = u.GetID() + } + return display +} + +// GetID implements the User interface by returning the user ID. +func (u User) GetID() string { + id := u.Entry.GetAttributeValue("uid") + return id +} + +func (lc *Conn) UserByID(ID string) (User, error) { + ldap.NewSearchRequest() +} + +func (s *Server) UserByEmail(email string) (User, error) { + lc, err := s.newConn() + ldap.NewSearchRequest( + s.userBaseDN, ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, + SizeLimitEntries, TimeLimitSeconds, false, + s.buildFilterForEmail(email), UserAttributes, nil) +} diff --git a/internal/web/handlers.go b/internal/web/handlers.go index 4bec902..fa52078 100644 --- a/internal/web/handlers.go +++ b/internal/web/handlers.go @@ -4,7 +4,7 @@ import ( "net/http" "bitmask.me/skeleton/internal/app" - "github.com/alexedwards/scs" + scs "github.com/alexedwards/scs/v2" "github.com/gorilla/csrf" ) diff --git a/internal/web/handlers_auth.go b/internal/web/handlers_auth.go index ff1961e..2319c7e 100644 --- a/internal/web/handlers_auth.go +++ b/internal/web/handlers_auth.go @@ -7,6 +7,7 @@ import ( "golang.org/x/crypto/bcrypt" "bitmask.me/skeleton/internal/database" + ldap "github.com/go-ldap/ldap/v3" "github.com/jmoiron/sqlx" "github.com/pkg/errors" ) @@ -36,8 +37,15 @@ func (u UserRow) GetID() string { return strconv.FormatInt(u.ID, 10) } -// NewAuthenticator returns a authable function from a Database. -func NewAuthenticator(db *sqlx.DB) func(user, pass string) (User, error) { +// NewLDAPAuthenticator returns a authable function from a LDAP Database. +func NewLDAPAuthenticator(lc *ldap.Conn) func(user, pass string) (User, error) { + return func(user, pass string) (User, error) { + return nil, ErrNotImplemented + } +} + +// NewSQLAuthenticator returns a authable function from a Database. +func NewSQLAuthenticator(db *sqlx.DB) func(user, pass string) (User, error) { return func(user, pass string) (User, error) { // Fetch email used for login email, err := database.EmailByAddress(db, user) @@ -77,7 +85,7 @@ func (h *Handlers) LoginPageHandler(w http.ResponseWriter, r *http.Request) { Password: r.PostFormValue("password"), } - authenticate := NewAuthenticator(h.App.Database()) + authenticate := NewSQLAuthenticator(h.App.Database()) user, err := authenticate(loginForm.Login, loginForm.Password) if err != nil { diff --git a/internal/web/middleware.go b/internal/web/middleware.go index e32686a..48e737d 100644 --- a/internal/web/middleware.go +++ b/internal/web/middleware.go @@ -5,7 +5,7 @@ import ( "net/rpc" "strings" - "github.com/alexedwards/scs" + scs "github.com/alexedwards/scs/v2" ) // GRPCMiddleware allows a HTTP2 Server to also serve GRPC at the same port.