summaryrefslogtreecommitdiffstats
path: root/api4/cors_test.go
blob: 74702b284e818583f70e01b408b8dd397912befe (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
149
150
package api4

import (
	"fmt"
	"net/http"
	"testing"

	"github.com/mattermost/mattermost-server/model"
	"github.com/stretchr/testify/assert"
)

const (
	acAllowOrigin      = "Access-Control-Allow-Origin"
	acExposeHeaders    = "Access-Control-Expose-Headers"
	acMaxAge           = "Access-Control-Max-Age"
	acAllowCredentials = "Access-Control-Allow-Credentials"
	acAllowMethods     = "Access-Control-Allow-Methods"
	acAllowHeaders     = "Access-Control-Allow-Headers"
)

func TestCORSRequestHandling(t *testing.T) {
	for name, testcase := range map[string]struct {
		AllowCorsFrom            string
		CorsExposedHeaders       string
		CorsAllowCredentials     bool
		ModifyRequest            func(req *http.Request)
		ExpectedAllowOrigin      string
		ExpectedExposeHeaders    string
		ExpectedAllowCredentials string
	}{
		"NoCORS": {
			"",
			"",
			false,
			func(req *http.Request) {
			},
			"",
			"",
			"",
		},
		"CORSEnabled": {
			"http://somewhere.com",
			"",
			false,
			func(req *http.Request) {
			},
			"",
			"",
			"",
		},
		"CORSEnabledStarOrigin": {
			"*",
			"",
			false,
			func(req *http.Request) {
				req.Header.Set("Origin", "http://pre-release.mattermost.com")
			},
			"*",
			"",
			"",
		},
		"CORSEnabledStarNoOrigin": { // CORS spec requires this, not a bug.
			"*",
			"",
			false,
			func(req *http.Request) {
			},
			"",
			"",
			"",
		},
		"CORSEnabledMatching": {
			"http://mattermost.com",
			"",
			false,
			func(req *http.Request) {
				req.Header.Set("Origin", "http://mattermost.com")
			},
			"http://mattermost.com",
			"",
			"",
		},
		"CORSEnabledMultiple": {
			"http://spinmint.com http://mattermost.com",
			"",
			false,
			func(req *http.Request) {
				req.Header.Set("Origin", "http://mattermost.com")
			},
			"http://mattermost.com",
			"",
			"",
		},
		"CORSEnabledWithCredentials": {
			"http://mattermost.com",
			"",
			true,
			func(req *http.Request) {
				req.Header.Set("Origin", "http://mattermost.com")
			},
			"http://mattermost.com",
			"",
			"true",
		},
		"CORSEnabledWithHeaders": {
			"http://mattermost.com",
			"x-my-special-header x-blueberry",
			true,
			func(req *http.Request) {
				req.Header.Set("Origin", "http://mattermost.com")
			},
			"http://mattermost.com",
			"X-My-Special-Header, X-Blueberry",
			"true",
		},
	} {
		t.Run(name, func(t *testing.T) {
			th := SetupConfig(func(cfg *model.Config) {
				*cfg.ServiceSettings.AllowCorsFrom = testcase.AllowCorsFrom
				*cfg.ServiceSettings.CorsExposedHeaders = testcase.CorsExposedHeaders
				*cfg.ServiceSettings.CorsAllowCredentials = testcase.CorsAllowCredentials
			})
			defer th.TearDown()

			port := th.App.Srv.ListenAddr.Port
			host := fmt.Sprintf("http://localhost:%v", port)
			url := fmt.Sprintf("%v/api/v4/system/ping", host)

			req, err := http.NewRequest("GET", url, nil)
			if err != nil {
				t.Fatal(err)
			}
			testcase.ModifyRequest(req)

			client := &http.Client{}
			resp, err := client.Do(req)
			if err != nil {
				t.Fatal(err)
			}
			assert.Equal(t, http.StatusOK, resp.StatusCode)
			assert.Equal(t, testcase.ExpectedAllowOrigin, resp.Header.Get(acAllowOrigin))
			assert.Equal(t, testcase.ExpectedExposeHeaders, resp.Header.Get(acExposeHeaders))
			assert.Equal(t, "", resp.Header.Get(acMaxAge))
			assert.Equal(t, testcase.ExpectedAllowCredentials, resp.Header.Get(acAllowCredentials))
			assert.Equal(t, "", resp.Header.Get(acAllowMethods))
			assert.Equal(t, "", resp.Header.Get(acAllowHeaders))
		})
	}

}