summaryrefslogtreecommitdiffstats
path: root/app/login.go
blob: ecc0f0163fba03cb94dd54705ea0e9a5e937a2d7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.

package app

import (
	"fmt"
	"net/http"
	"strings"
	"time"

	"github.com/mattermost/mattermost-server/model"
	"github.com/mssola/user_agent"
)

func (a *App) AuthenticateUserForLogin(id, loginId, password, mfaToken, deviceId string, ldapOnly bool) (*model.User, *model.AppError) {
	if len(password) == 0 {
		err := model.NewAppError("AuthenticateUserForLogin", "api.user.login.blank_pwd.app_error", nil, "", http.StatusBadRequest)
		return nil, err
	}

	var user *model.User
	var err *model.AppError

	if len(id) != 0 {
		if user, err = a.GetUser(id); err != nil {
			err.StatusCode = http.StatusBadRequest
			if a.Metrics != nil {
				a.Metrics.IncrementLoginFail()
			}
			return nil, err
		}
	} else {
		if user, err = a.GetUserForLogin(loginId, ldapOnly); err != nil {
			if a.Metrics != nil {
				a.Metrics.IncrementLoginFail()
			}
			return nil, err
		}
	}

	// and then authenticate them
	if user, err = a.authenticateUser(user, password, mfaToken); err != nil {
		if a.Metrics != nil {
			a.Metrics.IncrementLoginFail()
		}
		return nil, err
	}

	if a.Metrics != nil {
		a.Metrics.IncrementLogin()
	}

	return user, nil
}

func (a *App) DoLogin(w http.ResponseWriter, r *http.Request, user *model.User, deviceId string) (*model.Session, *model.AppError) {
	session := &model.Session{UserId: user.Id, Roles: user.GetRawRoles(), DeviceId: deviceId, IsOAuth: false}

	maxAge := *a.Config().ServiceSettings.SessionLengthWebInDays * 60 * 60 * 24

	if len(deviceId) > 0 {
		session.SetExpireInDays(*a.Config().ServiceSettings.SessionLengthMobileInDays)

		// A special case where we logout of all other sessions with the same Id
		if err := a.RevokeSessionsForDeviceId(user.Id, deviceId, ""); err != nil {
			err.StatusCode = http.StatusInternalServerError
			return nil, err
		}
	} else {
		session.SetExpireInDays(*a.Config().ServiceSettings.SessionLengthWebInDays)
	}

	ua := user_agent.New(r.UserAgent())

	plat := ua.Platform()
	if plat == "" {
		plat = "unknown"
	}

	os := ua.OS()
	if os == "" {
		os = "unknown"
	}

	bname, bversion := ua.Browser()
	if bname == "" {
		bname = "unknown"
	}

	if strings.Contains(r.UserAgent(), "Mattermost") {
		bname = "Desktop App"
	}

	if bversion == "" {
		bversion = "0.0"
	}

	session.AddProp(model.SESSION_PROP_PLATFORM, plat)
	session.AddProp(model.SESSION_PROP_OS, os)
	session.AddProp(model.SESSION_PROP_BROWSER, fmt.Sprintf("%v/%v", bname, bversion))

	var err *model.AppError
	if session, err = a.CreateSession(session); err != nil {
		err.StatusCode = http.StatusInternalServerError
		return nil, err
	}

	w.Header().Set(model.HEADER_TOKEN, session.Token)

	secure := false
	if GetProtocol(r) == "https" {
		secure = true
	}

	expiresAt := time.Unix(model.GetMillis()/1000+int64(maxAge), 0)
	sessionCookie := &http.Cookie{
		Name:     model.SESSION_COOKIE_TOKEN,
		Value:    session.Token,
		Path:     "/",
		MaxAge:   maxAge,
		Expires:  expiresAt,
		HttpOnly: true,
		Secure:   secure,
	}

	userCookie := &http.Cookie{
		Name:    model.SESSION_COOKIE_USER,
		Value:   user.Id,
		Path:    "/",
		MaxAge:  maxAge,
		Expires: expiresAt,
		Secure:  secure,
	}

	http.SetCookie(w, sessionCookie)
	http.SetCookie(w, userCookie)

	return session, nil
}

func GetProtocol(r *http.Request) string {
	if r.Header.Get(model.HEADER_FORWARDED_PROTO) == "https" || r.TLS != nil {
		return "https"
	} else {
		return "http"
	}
}