Merge pull request #11 from freedomkk-qfeng/master

优化 LDAP 认证部分的支持

etc/monapi.yml

@@ -14,11 +14,19 @@ ldap:
   host: "ldap.example.org"
   port: 389
   baseDn: "dc=example,dc=org"
+  # AD: manange@example.org
   bindUser: "cn=manager,dc=example,dc=org"
   bindPass: "*******"
   # openldap: (&(uid=%s))
   # AD: (&(sAMAccountName=%s))
   authFilter: "(&(uid=%s))"
+  attributes:
+    dispname: "cn"
+    email: "mail"
+    phone: "mobile"
+    im: ""
+  coverAttributes: false
+  autoRegist: false
   tls: false
   startTLS: false
 

src/model/ldap.go

+package model
+
+import (
+	"crypto/tls"
+	"fmt"
+
+	"github.com/didi/nightingale/src/modules/monapi/config"
+	"gopkg.in/ldap.v3"
+)
+
+func genLdapAttributeSearchList() []string {
+	ldapAttributes := []string{}
+	attrs := config.Get().LDAP.Attributes
+	if attrs.Dispname != "" {
+		ldapAttributes = append(ldapAttributes, attrs.Dispname)
+	}
+	if attrs.Email != "" {
+		ldapAttributes = append(ldapAttributes, attrs.Email)
+	}
+	if attrs.Phone != "" {
+		ldapAttributes = append(ldapAttributes, attrs.Phone)
+	}
+	if attrs.Im != "" {
+		ldapAttributes = append(ldapAttributes, attrs.Im)
+	}
+	return ldapAttributes
+}
+
+func ldapReq(user, pass string) (*ldap.SearchResult, error) {
+	var conn *ldap.Conn
+	var err error
+	lc := config.Get().LDAP
+	addr := fmt.Sprintf("%s:%d", lc.Host, lc.Port)
+
+	if lc.TLS {
+		conn, err = ldap.DialTLS("tcp", addr, &tls.Config{InsecureSkipVerify: true})
+	} else {
+		conn, err = ldap.Dial("tcp", addr)
+	}
+
+	if err != nil {
+		return nil, fmt.Errorf("cannot dial ldap: %v", err)
+	}
+
+	defer conn.Close()
+
+	if !lc.TLS && lc.StartTLS {
+		if err := conn.StartTLS(&tls.Config{InsecureSkipVerify: true}); err != nil {
+			return nil, fmt.Errorf("ldap.conn startTLS fail: %v", err)
+		}
+	}
+	//if bindUser is empty, anonymousSearch mode
+	if lc.BindUser != "" {
+		//BindSearch mode
+		if err := conn.Bind(lc.BindUser, lc.BindPass); err != nil {
+			return nil, fmt.Errorf("bind ldap fail: %v, use %s", err, lc.BindUser)
+		}
+	}
+
+	searchRequest := ldap.NewSearchRequest(
+		lc.BaseDn, // The base dn to search
+		ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 0, 0, false,
+		fmt.Sprintf(lc.AuthFilter, user), // The filter to apply
+		genLdapAttributeSearchList(),     // A list attributes to retrieve
+		nil,
+	)
+
+	sr, err := conn.Search(searchRequest)
+	if err != nil {
+		return nil, fmt.Errorf("ldap search fail: %v", err)
+	}
+
+	if len(sr.Entries) == 0 {
+		return nil, fmt.Errorf("cannot find such user: %v", user)
+	}
+
+	if len(sr.Entries) > 1 {
+		return nil, fmt.Errorf("multi users is search, query user: %v", user)
+	}
+
+	if err := conn.Bind(sr.Entries[0].DN, pass); err != nil {
+		return nil, fmt.Errorf("password error")
+	}
+	return sr, nil
+}

src/model/user.go

 package model
 
 import (
-	"crypto/tls"
 	"fmt"
 	"log"
 	"strings"
@@ -118,6 +117,23 @@ func (u *User) CanModifyTeam(t *Team) (bool, error) {
 	return cnt > 0, err
 }
 
+func (u *User) CopyLdapAttr(sr *ldap.SearchResult) {
+	attrs := config.Get().LDAP.Attributes
+	if attrs.Dispname != "" {
+		u.Dispname = sr.Entries[0].GetAttributeValue(attrs.Dispname)
+	}
+	if attrs.Email != "" {
+		u.Email = sr.Entries[0].GetAttributeValue(attrs.Email)
+	}
+	if attrs.Phone != "" {
+		u.Phone = sr.Entries[0].GetAttributeValue(attrs.Phone)
+	}
+	if attrs.Im != "" {
+		u.Im = sr.Entries[0].GetAttributeValue(attrs.Im)
+	}
+	return
+}
+
 func InitRoot() {
 	var u User
 	has, err := DB["uic"].Where("username=?", "root").Get(&u)
@@ -147,78 +163,31 @@ func InitRoot() {
 }
 
 func LdapLogin(user, pass string) error {
-	var conn *ldap.Conn
-	var err error
-
-	lc := config.Get().LDAP
-	addr := fmt.Sprintf("%s:%d", lc.Host, lc.Port)
-
-	if lc.TLS {
-		conn, err = ldap.DialTLS("tcp", addr, &tls.Config{InsecureSkipVerify: true})
-	} else {
-		conn, err = ldap.Dial("tcp", addr)
-	}
-
-	if err != nil {
-		return fmt.Errorf("cannot dial ldap: %v", err)
-	}
-
-	defer conn.Close()
-
-	if !lc.TLS && lc.StartTLS {
-		err = conn.StartTLS(&tls.Config{InsecureSkipVerify: true})
-		if err != nil {
-			return fmt.Errorf("ldap.conn startTLS fail: %v", err)
-		}
-	}
-
-	err = conn.Bind(lc.BindUser, lc.BindPass)
-	if err != nil {
-		return fmt.Errorf("bind ldap fail: %v, use %s", err, lc.BindUser)
-	}
-
-	searchRequest := ldap.NewSearchRequest(
-		lc.BaseDn, // The base dn to search
-		ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 0, 0, false,
-		fmt.Sprintf(lc.AuthFilter, user), // The filter to apply
-		[]string{},                       // A list attributes to retrieve
-		nil,
-	)
-
-	sr, err := conn.Search(searchRequest)
-	if err != nil {
-		return fmt.Errorf("ldap search fail: %v", err)
-	}
-
-	if len(sr.Entries) == 0 {
-		return fmt.Errorf("cannot find such user: %v", user)
-	}
-
-	if len(sr.Entries) > 1 {
-		return fmt.Errorf("multi users is search, query user: %v", user)
-	}
-
-	err = conn.Bind(sr.Entries[0].DN, pass)
+	sr, err := ldapReq(user, pass)
 	if err != nil {
-		return fmt.Errorf("password error")
+		return err
 	}
 
-	cnt, err := DB["uic"].Where("username=?", user).Count(new(User))
+	var u User
+	has, err := DB["uic"].Where("username=?", user).Get(&u)
 	if err != nil {
 		return err
 	}
-
-	if cnt > 0 {
-		return nil
+	u.CopyLdapAttr(sr)
+	if has {
+		if config.Get().LDAP.CoverAttributes {
+			_, err := DB["uic"].Where("id=?", u.Id).Update(u)
+			return err
+		} else {
+			return nil
+		}
 	}
-
-	u := &User{
-		Username: user,
-		Password: "******",
-		Dispname: "",
-		Email:    "",
+	if !config.Get().LDAP.AutoRegist {
+		return fmt.Errorf("user has not be created, may be you should enable auto regist: %v", user)
 	}
 
+	u.Username = user
+	u.Password = "******"
 	_, err = DB["uic"].Insert(u)
 	return err
 }

src/modules/monapi/config/yaml.go

@@ -64,14 +64,24 @@ type httpSection struct {
 }
 
 type ldapSection struct {
-	Host       string `yaml:"host"`
-	Port       int    `yaml:"port"`
-	BaseDn     string `yaml:"baseDn"`
-	BindUser   string `yaml:"bindUser"`
-	BindPass   string `yaml:"bindPass"`
-	AuthFilter string `yaml:"authFilter"`
-	TLS        bool   `yaml:"tls"`
-	StartTLS   bool   `yaml:"startTLS"`
+	Host            string         `yaml:"host"`
+	Port            int            `yaml:"port"`
+	BaseDn          string         `yaml:"baseDn"`
+	BindUser        string         `yaml:"bindUser"`
+	BindPass        string         `yaml:"bindPass"`
+	AuthFilter      string         `yaml:"authFilter"`
+	Attributes      ldapAttributes `yaml:"attributes"`
+	CoverAttributes bool           `yaml:"coverAttributes"`
+	AutoRegist      bool           `yaml:"autoRegist"`
+	TLS             bool           `yaml:"tls"`
+	StartTLS        bool           `yaml:"startTLS"`
+}
+
+type ldapAttributes struct {
+	Dispname string `yaml:"dispname"`
+	Phone    string `yaml:"phone"`
+	Email    string `yaml:"email"`
+	Im       string `yaml:"im"`
 }
 
 var (